Merge "storaged: add task io to dump service"
diff --git a/adb/Android.mk b/adb/Android.mk
index 6ed01fa..5d6c418 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -108,7 +108,6 @@
sysdeps_win32_test.cpp \
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_MODULE := libadbd_usb
LOCAL_CFLAGS := $(LIBADB_CFLAGS) -DADB_HOST=0
LOCAL_SRC_FILES := daemon/usb.cpp
@@ -122,7 +121,6 @@
include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_MODULE := libadbd
LOCAL_CFLAGS := $(LIBADB_CFLAGS) -DADB_HOST=0
LOCAL_SRC_FILES := \
@@ -171,7 +169,6 @@
include $(BUILD_HOST_STATIC_LIBRARY)
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_MODULE := adbd_test
LOCAL_CFLAGS := -DADB_HOST=0 $(LIBADB_CFLAGS)
LOCAL_SRC_FILES := \
@@ -330,8 +327,6 @@
include $(CLEAR_VARS)
-LOCAL_CLANG := true
-
LOCAL_SRC_FILES := \
daemon/main.cpp \
daemon/mdns.cpp \
@@ -350,11 +345,11 @@
-D_GNU_SOURCE \
-Wno-deprecated-declarations \
+LOCAL_CFLAGS += -DALLOW_ADBD_ROOT=$(if $(filter userdebug eng,$(TARGET_BUILD_VARIANT)),1,0)
LOCAL_CFLAGS += -DALLOW_ADBD_NO_AUTH=$(if $(filter userdebug eng,$(TARGET_BUILD_VARIANT)),1,0)
ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
LOCAL_CFLAGS += -DALLOW_ADBD_DISABLE_VERITY=1
-LOCAL_CFLAGS += -DALLOW_ADBD_ROOT=1
endif
LOCAL_MODULE := adbd
diff --git a/adb/daemon/main.cpp b/adb/daemon/main.cpp
index 1c94298..e0629ab 100644
--- a/adb/daemon/main.cpp
+++ b/adb/daemon/main.cpp
@@ -49,17 +49,23 @@
static const char* root_seclabel = nullptr;
+static inline bool is_device_unlocked() {
+ return "orange" == android::base::GetProperty("ro.boot.verifiedbootstate", "");
+}
+
static void drop_capabilities_bounding_set_if_needed(struct minijail *j) {
-#if defined(ALLOW_ADBD_ROOT)
- if (__android_log_is_debuggable()) {
- return;
+ if (ALLOW_ADBD_ROOT || is_device_unlocked()) {
+ if (__android_log_is_debuggable()) {
+ return;
+ }
}
-#endif
minijail_capbset_drop(j, CAP_TO_MASK(CAP_SETUID) | CAP_TO_MASK(CAP_SETGID));
}
static bool should_drop_privileges() {
-#if defined(ALLOW_ADBD_ROOT)
+ // "adb root" not allowed, always drop privileges.
+ if (!ALLOW_ADBD_ROOT && !is_device_unlocked()) return true;
+
// The properties that affect `adb root` and `adb unroot` are ro.secure and
// ro.debuggable. In this context the names don't make the expected behavior
// particularly obvious.
@@ -89,9 +95,6 @@
}
return drop;
-#else
- return true; // "adb root" not allowed, always drop privileges.
-#endif // ALLOW_ADBD_ROOT
}
static void drop_privileges(int server_port) {
@@ -158,7 +161,10 @@
// descriptor will always be open.
adbd_cloexec_auth_socket();
- if (ALLOW_ADBD_NO_AUTH && !android::base::GetBoolProperty("ro.adb.secure", false)) {
+ // Respect ro.adb.secure in userdebug/eng builds (ALLOW_ADBD_NO_AUTH), or when the
+ // device is unlocked.
+ if ((ALLOW_ADBD_NO_AUTH || is_device_unlocked()) &&
+ !android::base::GetBoolProperty("ro.adb.secure", false)) {
auth_required = false;
}
diff --git a/base/Android.bp b/base/Android.bp
index b636dc3..1395756 100644
--- a/base/Android.bp
+++ b/base/Android.bp
@@ -39,7 +39,6 @@
cc_library {
name: "libbase",
vendor_available: true,
- clang: true,
host_supported: true,
srcs: [
"file.cpp",
@@ -109,7 +108,6 @@
cc_test {
name: "libbase_test",
host_supported: true,
- clang: true,
srcs: [
"endian_test.cpp",
"errors_test.cpp",
diff --git a/base/chrono_utils.cpp b/base/chrono_utils.cpp
index 5eedf3b..b6bf701 100644
--- a/base/chrono_utils.cpp
+++ b/base/chrono_utils.cpp
@@ -33,5 +33,10 @@
#endif // __ANDROID__
}
+std::ostream& operator<<(std::ostream& os, const Timer& t) {
+ os << t.duration().count() << "ms";
+ return os;
+}
+
} // namespace base
} // namespace android
diff --git a/base/chrono_utils_test.cpp b/base/chrono_utils_test.cpp
index 057132d..da442f4 100644
--- a/base/chrono_utils_test.cpp
+++ b/base/chrono_utils_test.cpp
@@ -19,6 +19,9 @@
#include <time.h>
#include <chrono>
+#include <sstream>
+#include <string>
+#include <thread>
#include <gtest/gtest.h>
@@ -42,5 +45,36 @@
EXPECT_EQ(now, boot_seconds);
}
+template <typename T>
+void ExpectAboutEqual(T expected, T actual) {
+ auto expected_upper_bound = expected * 1.05f;
+ auto expected_lower_bound = expected * .95;
+ EXPECT_GT(expected_upper_bound, actual);
+ EXPECT_LT(expected_lower_bound, actual);
+}
+
+TEST(ChronoUtilsTest, TimerDurationIsSane) {
+ auto start = boot_clock::now();
+ Timer t;
+ std::this_thread::sleep_for(50ms);
+ auto stop = boot_clock::now();
+ auto stop_timer = t.duration();
+
+ auto expected = std::chrono::duration_cast<std::chrono::milliseconds>(stop - start);
+ ExpectAboutEqual(expected, stop_timer);
+}
+
+TEST(ChronoUtilsTest, TimerOstream) {
+ Timer t;
+ std::this_thread::sleep_for(50ms);
+ auto stop_timer = t.duration().count();
+ std::stringstream os;
+ os << t;
+ decltype(stop_timer) stop_timer_from_stream;
+ os >> stop_timer_from_stream;
+ EXPECT_NE(0, stop_timer);
+ ExpectAboutEqual(stop_timer, stop_timer_from_stream);
+}
+
} // namespace base
-} // namespace android
\ No newline at end of file
+} // namespace android
diff --git a/base/file.cpp b/base/file.cpp
index a2f2887..2f697a1 100644
--- a/base/file.cpp
+++ b/base/file.cpp
@@ -153,6 +153,37 @@
return true;
}
+#if defined(_WIN32)
+// Windows implementation of pread. Note that this DOES move the file descriptors read position,
+// but it does so atomically.
+static ssize_t pread(int fd, void* data, size_t byte_count, off64_t offset) {
+ DWORD bytes_read;
+ OVERLAPPED overlapped;
+ memset(&overlapped, 0, sizeof(OVERLAPPED));
+ overlapped.Offset = static_cast<DWORD>(offset);
+ overlapped.OffsetHigh = static_cast<DWORD>(offset >> 32);
+ if (!ReadFile(reinterpret_cast<HANDLE>(_get_osfhandle(fd)), data, static_cast<DWORD>(byte_count),
+ &bytes_read, &overlapped)) {
+ // In case someone tries to read errno (since this is masquerading as a POSIX call)
+ errno = EIO;
+ return -1;
+ }
+ return static_cast<ssize_t>(bytes_read);
+}
+#endif
+
+bool ReadFullyAtOffset(int fd, void* data, size_t byte_count, off64_t offset) {
+ uint8_t* p = reinterpret_cast<uint8_t*>(data);
+ while (byte_count > 0) {
+ ssize_t n = TEMP_FAILURE_RETRY(pread(fd, p, byte_count, offset));
+ if (n <= 0) return false;
+ p += n;
+ byte_count -= n;
+ offset += n;
+ }
+ return true;
+}
+
bool WriteFully(int fd, const void* data, size_t byte_count) {
const uint8_t* p = reinterpret_cast<const uint8_t*>(data);
size_t remaining = byte_count;
diff --git a/base/include/android-base/chrono_utils.h b/base/include/android-base/chrono_utils.h
index 0086425..7679d4c 100644
--- a/base/include/android-base/chrono_utils.h
+++ b/base/include/android-base/chrono_utils.h
@@ -18,6 +18,9 @@
#define ANDROID_BASE_CHRONO_UTILS_H
#include <chrono>
+#include <sstream>
+
+using namespace std::chrono_literals;
namespace android {
namespace base {
@@ -31,6 +34,20 @@
static time_point now();
};
+class Timer {
+ public:
+ Timer() : start_(boot_clock::now()) {}
+
+ std::chrono::milliseconds duration() const {
+ return std::chrono::duration_cast<std::chrono::milliseconds>(boot_clock::now() - start_);
+ }
+
+ private:
+ boot_clock::time_point start_;
+};
+
+std::ostream& operator<<(std::ostream& os, const Timer& t);
+
} // namespace base
} // namespace android
diff --git a/base/include/android-base/file.h b/base/include/android-base/file.h
index 651f529..667d6fb 100644
--- a/base/include/android-base/file.h
+++ b/base/include/android-base/file.h
@@ -18,12 +18,18 @@
#define ANDROID_BASE_FILE_H
#include <sys/stat.h>
+#include <sys/types.h>
#include <string>
#if !defined(_WIN32) && !defined(O_BINARY)
#define O_BINARY 0
#endif
+#if defined(__APPLE__)
+/* Mac OS has always had a 64-bit off_t, so it doesn't have off64_t. */
+typedef off_t off64_t;
+#endif
+
namespace android {
namespace base {
@@ -42,6 +48,17 @@
#endif
bool ReadFully(int fd, void* data, size_t byte_count);
+
+// Reads `byte_count` bytes from the file descriptor at the specified offset.
+// Returns false if there was an IO error or EOF was reached before reading `byte_count` bytes.
+//
+// NOTE: On Linux/Mac, this function wraps pread, which provides atomic read support without
+// modifying the read pointer of the file descriptor. On Windows, however, the read pointer does
+// get modified. This means that ReadFullyAtOffset can be used concurrently with other calls to the
+// same function, but concurrently seeking or reading incrementally can lead to unexpected
+// behavior.
+bool ReadFullyAtOffset(int fd, void* data, size_t byte_count, off64_t offset);
+
bool WriteFully(int fd, const void* data, size_t byte_count);
bool RemoveFileIfExists(const std::string& path, std::string* err = nullptr);
diff --git a/bootstat/Android.bp b/bootstat/Android.bp
index bc90a6e..dd357ed 100644
--- a/bootstat/Android.bp
+++ b/bootstat/Android.bp
@@ -32,9 +32,6 @@
"liblog",
"libmetricslogger",
],
- whole_static_libs: ["libgtest_prod"],
- // Clang is required because of C++14
- clang: true,
}
// bootstat static library
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index a4c2160..344fa9a 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -85,12 +85,13 @@
fprintf(stderr, "Usage: %s [options]\n", cmd);
fprintf(stderr,
"options include:\n"
- " -h, --help Show this help\n"
- " -l, --log Log all metrics to logstorage\n"
- " -p, --print Dump the boot event records to the console\n"
- " -r, --record Record the timestamp of a named boot event\n"
- " --value Optional value to associate with the boot event\n"
- " --record_boot_reason Record the reason why the device booted\n"
+ " -h, --help Show this help\n"
+ " -l, --log Log all metrics to logstorage\n"
+ " -p, --print Dump the boot event records to the console\n"
+ " -r, --record Record the timestamp of a named boot event\n"
+ " --value Optional value to associate with the boot event\n"
+ " --record_boot_complete Record metrics related to the time for the device boot\n"
+ " --record_boot_reason Record the reason why the device booted\n"
" --record_time_since_factory_reset Record the time since the device was reset\n");
}
diff --git a/debuggerd/crasher/crasher.cpp b/debuggerd/crasher/crasher.cpp
index 6970201..f57349b 100644
--- a/debuggerd/crasher/crasher.cpp
+++ b/debuggerd/crasher/crasher.cpp
@@ -134,6 +134,14 @@
free(buf); // GCC is smart enough to warn about this, but we're doing it deliberately.
}
+noinline void leak() {
+ while (true) {
+ void* mapping =
+ mmap(nullptr, PAGE_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ static_cast<volatile char*>(mapping)[0] = 'a';
+ }
+}
+
noinline void sigsegv_non_null() {
int* a = (int *)(&do_action);
*a = 42;
@@ -160,8 +168,8 @@
fprintf(stderr, " stack-overflow recurse until the stack overflows\n");
fprintf(stderr, " nostack crash with a NULL stack pointer\n");
fprintf(stderr, "\n");
- fprintf(stderr, " heap-corruption cause a libc abort by corrupting the heap\n");
fprintf(stderr, " heap-usage cause a libc abort by abusing a heap function\n");
+ fprintf(stderr, " leak leak memory until we get OOM-killed\n");
fprintf(stderr, "\n");
fprintf(stderr, " abort call abort()\n");
fprintf(stderr, " assert call assert() without a function\n");
@@ -265,6 +273,8 @@
return pthread_join(0, nullptr);
} else if (!strcasecmp(arg, "heap-usage")) {
abuse_heap();
+ } else if (!strcasecmp(arg, "leak")) {
+ leak();
} else if (!strcasecmp(arg, "SIGSEGV-unmapped")) {
char* map = reinterpret_cast<char*>(mmap(nullptr, sizeof(int), PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS, -1, 0));
diff --git a/debuggerd/libdebuggerd/test/tombstone_test.cpp b/debuggerd/libdebuggerd/test/tombstone_test.cpp
index 325210d..6be59e7 100644
--- a/debuggerd/libdebuggerd/test/tombstone_test.cpp
+++ b/debuggerd/libdebuggerd/test/tombstone_test.cpp
@@ -220,21 +220,21 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
map.start = 0xa534000;
map.end = 0xa535000;
map.offset = 0x3000;
- map.load_base = 0x2000;
+ map.load_bias = 0x2000;
map.flags = PROT_EXEC;
map_mock_->AddMap(map);
map.start = 0xa634000;
map.end = 0xa635000;
map.offset = 0;
- map.load_base = 0;
+ map.load_bias = 0;
map.flags = PROT_READ | PROT_WRITE | PROT_EXEC;
map.name = "/system/lib/fake.so";
map_mock_->AddMap(map);
@@ -244,20 +244,20 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map:\n"
+ const char* expected_dump =
+ "\nmemory map:\n"
#if defined(__LP64__)
-" 00000000'0a234000-00000000'0a234fff --- 0 1000\n"
-" 00000000'0a334000-00000000'0a334fff r-- f000 1000\n"
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 00000000'0a234000-00000000'0a234fff --- 0 1000\n"
+ " 00000000'0a334000-00000000'0a334fff r-- f000 1000\n"
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
#else
-" 0a234000-0a234fff --- 0 1000\n"
-" 0a334000-0a334fff r-- f000 1000\n"
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 0a534000-0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 0a234000-0a234fff --- 0 1000\n"
+ " 0a334000-0a334fff r-- f000 1000\n"
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 0a534000-0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
@@ -274,21 +274,21 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
map.start = 0xa534000;
map.end = 0xa535000;
map.offset = 0x3000;
- map.load_base = 0x2000;
+ map.load_bias = 0x2000;
map.flags = PROT_EXEC;
map_mock_->AddMap(map);
map.start = 0xa634000;
map.end = 0xa635000;
map.offset = 0;
- map.load_base = 0;
+ map.load_bias = 0;
map.flags = PROT_READ | PROT_WRITE | PROT_EXEC;
map.name = "/system/lib/fake.so";
map_mock_->AddMap(map);
@@ -304,18 +304,18 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map: (fault address prefixed with --->)\n"
+ const char* expected_dump =
+ "\nmemory map: (fault address prefixed with --->)\n"
#if defined(__LP64__)
-"--->Fault address falls at 00000000'00001000 before any mapped regions\n"
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ "--->Fault address falls at 00000000'00001000 before any mapped regions\n"
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
#else
-"--->Fault address falls at 00001000 before any mapped regions\n"
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 0a534000-0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ "--->Fault address falls at 00001000 before any mapped regions\n"
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 0a534000-0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
@@ -332,21 +332,21 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
map.start = 0xa534000;
map.end = 0xa535000;
map.offset = 0x3000;
- map.load_base = 0x2000;
+ map.load_bias = 0x2000;
map.flags = PROT_EXEC;
map_mock_->AddMap(map);
map.start = 0xa634000;
map.end = 0xa635000;
map.offset = 0;
- map.load_base = 0;
+ map.load_bias = 0;
map.flags = PROT_READ | PROT_WRITE | PROT_EXEC;
map.name = "/system/lib/fake.so";
map_mock_->AddMap(map);
@@ -362,18 +362,18 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map: (fault address prefixed with --->)\n"
+ const char* expected_dump =
+ "\nmemory map: (fault address prefixed with --->)\n"
#if defined(__LP64__)
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n"
-"--->Fault address falls at 00000000'0a533000 between mapped regions\n"
-" 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ "--->Fault address falls at 00000000'0a533000 between mapped regions\n"
+ " 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
#else
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n"
-"--->Fault address falls at 0a533000 between mapped regions\n"
-" 0a534000-0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ "--->Fault address falls at 0a533000 between mapped regions\n"
+ " 0a534000-0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
@@ -390,21 +390,21 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
map.start = 0xa534000;
map.end = 0xa535000;
map.offset = 0x3000;
- map.load_base = 0x2000;
+ map.load_bias = 0x2000;
map.flags = PROT_EXEC;
map_mock_->AddMap(map);
map.start = 0xa634000;
map.end = 0xa635000;
map.offset = 0;
- map.load_base = 0;
+ map.load_bias = 0;
map.flags = PROT_READ | PROT_WRITE | PROT_EXEC;
map.name = "/system/lib/fake.so";
map_mock_->AddMap(map);
@@ -420,16 +420,16 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map: (fault address prefixed with --->)\n"
+ const char* expected_dump =
+ "\nmemory map: (fault address prefixed with --->)\n"
#if defined(__LP64__)
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n"
-"--->00000000'0a534000-00000000'0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ "--->00000000'0a534000-00000000'0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n";
#else
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n"
-"--->0a534000-0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ "--->0a534000-0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
@@ -446,21 +446,21 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
map.start = 0xa534000;
map.end = 0xa535000;
map.offset = 0x3000;
- map.load_base = 0x2000;
+ map.load_bias = 0x2000;
map.flags = PROT_EXEC;
map_mock_->AddMap(map);
map.start = 0xa634000;
map.end = 0xa635000;
map.offset = 0;
- map.load_base = 0;
+ map.load_bias = 0;
map.flags = PROT_READ | PROT_WRITE | PROT_EXEC;
map.name = "/system/lib/fake.so";
map_mock_->AddMap(map);
@@ -480,18 +480,18 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map: (fault address prefixed with --->)\n"
+ const char* expected_dump =
+ "\nmemory map: (fault address prefixed with --->)\n"
#if defined(__LP64__)
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n"
-"--->Fault address falls at 00001234'5a534040 after any mapped regions\n";
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 00000000'0a534000-00000000'0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 00000000'0a634000-00000000'0a634fff rwx 0 1000 /system/lib/fake.so\n"
+ "--->Fault address falls at 00001234'5a534040 after any mapped regions\n";
#else
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n"
-" 0a534000-0a534fff --x 3000 1000 (load base 0x2000)\n"
-" 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n"
-"--->Fault address falls at 0f534040 after any mapped regions\n";
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n"
+ " 0a534000-0a534fff --x 3000 1000 (load bias 0x2000)\n"
+ " 0a634000-0a634fff rwx 0 1000 /system/lib/fake.so\n"
+ "--->Fault address falls at 0f534040 after any mapped regions\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
@@ -508,7 +508,7 @@
map.start = 0xa434000;
map.end = 0xa435000;
map.offset = 0x1000;
- map.load_base = 0xd000;
+ map.load_bias = 0xd000;
map.flags = PROT_WRITE;
map_mock_->AddMap(map);
@@ -520,12 +520,12 @@
std::string tombstone_contents;
ASSERT_TRUE(lseek(log_.tfd, 0, SEEK_SET) == 0);
ASSERT_TRUE(android::base::ReadFdToString(log_.tfd, &tombstone_contents));
- const char* expected_dump = \
-"\nmemory map:\n"
+ const char* expected_dump =
+ "\nmemory map:\n"
#if defined(__LP64__)
-" 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load base 0xd000)\n";
+ " 00000000'0a434000-00000000'0a434fff -w- 1000 1000 (load bias 0xd000)\n";
#else
-" 0a434000-0a434fff -w- 1000 1000 (load base 0xd000)\n";
+ " 0a434000-0a434fff -w- 1000 1000 (load bias 0xd000)\n";
#endif
ASSERT_STREQ(expected_dump, tombstone_contents.c_str());
diff --git a/debuggerd/libdebuggerd/tombstone.cpp b/debuggerd/libdebuggerd/tombstone.cpp
index 996d714..0113131 100644
--- a/debuggerd/libdebuggerd/tombstone.cpp
+++ b/debuggerd/libdebuggerd/tombstone.cpp
@@ -466,11 +466,11 @@
line += " (BuildId: " + build_id + ")";
}
}
- if (it->load_base != 0) {
+ if (it->load_bias != 0) {
if (space_needed) {
line += ' ';
}
- line += StringPrintf(" (load base 0x%" PRIxPTR ")", it->load_base);
+ line += StringPrintf(" (load bias 0x%" PRIxPTR ")", it->load_bias);
}
_LOG(log, logtype::MAPS, "%s\n", line.c_str());
}
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 80def73..dd8bad9 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -40,6 +40,7 @@
LOCAL_MODULE_TAGS := debug
LOCAL_MODULE_HOST_OS := darwin linux windows
LOCAL_CFLAGS += -Wall -Wextra -Werror -Wunreachable-code
+LOCAL_REQUIRED_MODULES := mke2fs e2fsdroid
LOCAL_SRC_FILES_linux := usb_linux.cpp
LOCAL_STATIC_LIBRARIES_linux := libselinux
@@ -85,6 +86,8 @@
include $(BUILD_HOST_EXECUTABLE)
my_dist_files := $(LOCAL_BUILT_MODULE)
+my_dist_files += $(HOST_OUT_EXECUTABLES)/mke2fs$(HOST_EXECUTABLE_SUFFIX)
+my_dist_files += $(HOST_OUT_EXECUTABLES)/e2fsdroid$(HOST_EXECUTABLE_SUFFIX)
ifeq ($(HOST_OS),linux)
my_dist_files += $(HOST_LIBRARY_PATH)/libf2fs_fmt_host_dyn$(HOST_SHLIB_SUFFIX)
endif
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index 99ca7dd..f3c000e 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -10,14 +10,22 @@
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
+#ifndef WIN32
+#include <sys/wait.h>
+#endif
#include <unistd.h>
+#include <vector>
+#include <android-base/file.h>
+#include <android-base/stringprintf.h>
#include <android-base/unique_fd.h>
#include <ext4_utils/make_ext4fs.h>
#include <sparse/sparse.h>
+using android::base::StringPrintf;
using android::base::unique_fd;
+#ifdef WIN32
static int generate_ext4_image(const char* fileName, long long partSize, const std::string& initial_dir,
unsigned eraseBlkSize, unsigned logicalBlkSize)
{
@@ -34,6 +42,84 @@
}
return 0;
}
+#else
+static int exec_e2fs_cmd(const char* path, char* const argv[]) {
+ int status;
+ pid_t child;
+ if ((child = fork()) == 0) {
+ setenv("MKE2FS_CONFIG", "", 1);
+ execvp(path, argv);
+ _exit(EXIT_FAILURE);
+ }
+ if (child < 0) {
+ fprintf(stderr, "%s failed with fork %s\n", path, strerror(errno));
+ return -1;
+ }
+ if (TEMP_FAILURE_RETRY(waitpid(child, &status, 0)) == -1) {
+ fprintf(stderr, "%s failed with waitpid %s\n", path, strerror(errno));
+ return -1;
+ }
+ int ret = -1;
+ if (WIFEXITED(status)) {
+ ret = WEXITSTATUS(status);
+ if (ret != 0) {
+ fprintf(stderr, "%s failed with status %d\n", path, ret);
+ }
+ }
+ return ret;
+}
+
+static int generate_ext4_image(const char* fileName, long long partSize,
+ const std::string& initial_dir, unsigned eraseBlkSize,
+ unsigned logicalBlkSize) {
+ static constexpr int block_size = 4096;
+ const std::string exec_dir = android::base::GetExecutableDirectory();
+
+ const std::string mke2fs_path = exec_dir + "/mke2fs";
+ std::vector<const char*> mke2fs_args = {mke2fs_path.c_str(), "-t", "ext4", "-b"};
+
+ std::string block_size_str = std::to_string(block_size);
+ mke2fs_args.push_back(block_size_str.c_str());
+
+ std::string ext_attr = "android_sparse";
+ if (eraseBlkSize != 0 && logicalBlkSize != 0) {
+ int raid_stride = logicalBlkSize / block_size;
+ int raid_stripe_width = eraseBlkSize / block_size;
+ // stride should be the max of 8kb and logical block size
+ if (logicalBlkSize != 0 && logicalBlkSize < 8192) raid_stride = 8192 / block_size;
+ ext_attr += StringPrintf(",stride=%d,stripe-width=%d", raid_stride, raid_stripe_width);
+ }
+ mke2fs_args.push_back("-E");
+ mke2fs_args.push_back(ext_attr.c_str());
+ mke2fs_args.push_back(fileName);
+
+ std::string size_str = std::to_string(partSize / block_size);
+ mke2fs_args.push_back(size_str.c_str());
+ mke2fs_args.push_back(nullptr);
+
+ int ret = exec_e2fs_cmd(mke2fs_args[0], const_cast<char**>(mke2fs_args.data()));
+ if (ret != 0) {
+ fprintf(stderr, "mke2fs failed: %d\n", ret);
+ return -1;
+ }
+
+ if (initial_dir.empty()) {
+ return 0;
+ }
+
+ const std::string e2fsdroid_path = exec_dir + "/e2fsdroid";
+ std::vector<const char*> e2fsdroid_args = {e2fsdroid_path.c_str(), "-f", initial_dir.c_str(),
+ fileName, nullptr};
+
+ ret = exec_e2fs_cmd(e2fsdroid_args[0], const_cast<char**>(e2fsdroid_args.data()));
+ if (ret != 0) {
+ fprintf(stderr, "e2fsdroid failed: %d\n", ret);
+ return -1;
+ }
+
+ return 0;
+}
+#endif
#ifdef USE_F2FS
static int generate_f2fs_image(const char* fileName, long long partSize, const std::string& initial_dir,
diff --git a/fs_mgr/Android.mk b/fs_mgr/Android.mk
index 9249343..007189d 100644
--- a/fs_mgr/Android.mk
+++ b/fs_mgr/Android.mk
@@ -15,7 +15,6 @@
libavb
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_SANITIZE := integer
LOCAL_SRC_FILES:= fs_mgr_main.cpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/include
diff --git a/fs_mgr/fs_mgr.cpp b/fs_mgr/fs_mgr.cpp
index e009383..c9af421 100644
--- a/fs_mgr/fs_mgr.cpp
+++ b/fs_mgr/fs_mgr.cpp
@@ -32,6 +32,7 @@
#include <unistd.h>
#include <memory>
+#include <thread>
#include <android-base/file.h>
#include <android-base/properties.h>
@@ -78,43 +79,33 @@
FS_STAT_E2FSCK_F_ALWAYS = 0x0004,
FS_STAT_UNCLEAN_SHUTDOWN = 0x0008,
FS_STAT_QUOTA_ENABLED = 0x0010,
- FS_STAT_TUNE2FS_FAILED = 0x0020,
FS_STAT_RO_MOUNT_FAILED = 0x0040,
FS_STAT_RO_UNMOUNT_FAILED = 0x0080,
FS_STAT_FULL_MOUNT_FAILED = 0x0100,
FS_STAT_E2FSCK_FAILED = 0x0200,
FS_STAT_E2FSCK_FS_FIXED = 0x0400,
FS_STAT_EXT4_INVALID_MAGIC = 0x0800,
+ FS_STAT_TOGGLE_QUOTAS_FAILED = 0x10000,
+ FS_STAT_SET_RESERVED_BLOCKS_FAILED = 0x20000,
+ FS_STAT_ENABLE_ENCRYPTION_FAILED = 0x40000,
};
-/*
- * gettime() - returns the time in seconds of the system's monotonic clock or
- * zero on error.
- */
-static time_t gettime(void)
-{
- struct timespec ts;
- int ret;
+// TODO: switch to inotify()
+bool fs_mgr_wait_for_file(const std::string& filename,
+ const std::chrono::milliseconds relative_timeout) {
+ auto start_time = std::chrono::steady_clock::now();
- ret = clock_gettime(CLOCK_MONOTONIC, &ts);
- if (ret < 0) {
- PERROR << "clock_gettime(CLOCK_MONOTONIC) failed";
- return 0;
+ while (true) {
+ if (!access(filename.c_str(), F_OK) || errno != ENOENT) {
+ return true;
+ }
+
+ std::this_thread::sleep_for(50ms);
+
+ auto now = std::chrono::steady_clock::now();
+ auto time_elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(now - start_time);
+ if (time_elapsed > relative_timeout) return false;
}
-
- return ts.tv_sec;
-}
-
-static int wait_for_file(const char *filename, int timeout)
-{
- struct stat info;
- time_t timeout_time = gettime() + timeout;
- int ret = -1;
-
- while (gettime() < timeout_time && ((ret = stat(filename, &info)) < 0))
- usleep(10000);
-
- return ret;
}
static void log_fs_stat(const char* blk_device, int fs_stat)
@@ -128,10 +119,16 @@
}
}
+static bool is_extfs(const std::string& fs_type) {
+ return fs_type == "ext4" || fs_type == "ext3" || fs_type == "ext2";
+}
+
static bool should_force_check(int fs_stat) {
- return fs_stat & (FS_STAT_E2FSCK_F_ALWAYS | FS_STAT_UNCLEAN_SHUTDOWN | FS_STAT_QUOTA_ENABLED |
- FS_STAT_TUNE2FS_FAILED | FS_STAT_RO_MOUNT_FAILED | FS_STAT_RO_UNMOUNT_FAILED |
- FS_STAT_FULL_MOUNT_FAILED | FS_STAT_E2FSCK_FAILED);
+ return fs_stat &
+ (FS_STAT_E2FSCK_F_ALWAYS | FS_STAT_UNCLEAN_SHUTDOWN | FS_STAT_QUOTA_ENABLED |
+ FS_STAT_RO_MOUNT_FAILED | FS_STAT_RO_UNMOUNT_FAILED | FS_STAT_FULL_MOUNT_FAILED |
+ FS_STAT_E2FSCK_FAILED | FS_STAT_TOGGLE_QUOTAS_FAILED |
+ FS_STAT_SET_RESERVED_BLOCKS_FAILED | FS_STAT_ENABLE_ENCRYPTION_FAILED);
}
static void check_fs(const char *blk_device, char *fs_type, char *target, int *fs_stat)
@@ -144,7 +141,7 @@
const char* e2fsck_forced_argv[] = {E2FSCK_BIN, "-f", "-y", blk_device};
/* Check for the types of filesystems we know how to check */
- if (!strcmp(fs_type, "ext2") || !strcmp(fs_type, "ext3") || !strcmp(fs_type, "ext4")) {
+ if (is_extfs(fs_type)) {
if (*fs_stat & FS_STAT_EXT4_INVALID_MAGIC) { // will fail, so do not try
return;
}
@@ -242,186 +239,214 @@
return;
}
-/* Function to read the primary superblock */
-static int read_super_block(int fd, struct ext4_super_block *sb)
-{
- off64_t ret;
-
- ret = lseek64(fd, 1024, SEEK_SET);
- if (ret < 0)
- return ret;
-
- ret = read(fd, sb, sizeof(*sb));
- if (ret < 0)
- return ret;
- if (ret != sizeof(*sb))
- return ret;
-
- return 0;
-}
-
-static ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es)
-{
+static ext4_fsblk_t ext4_blocks_count(const struct ext4_super_block* es) {
return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) |
- le32_to_cpu(es->s_blocks_count_lo);
+ le32_to_cpu(es->s_blocks_count_lo);
}
-static ext4_fsblk_t ext4_r_blocks_count(struct ext4_super_block *es)
-{
+static ext4_fsblk_t ext4_r_blocks_count(const struct ext4_super_block* es) {
return ((ext4_fsblk_t)le32_to_cpu(es->s_r_blocks_count_hi) << 32) |
- le32_to_cpu(es->s_r_blocks_count_lo);
+ le32_to_cpu(es->s_r_blocks_count_lo);
}
-static int do_quota_with_shutdown_check(char *blk_device, char *fs_type,
- struct fstab_rec *rec, int *fs_stat)
-{
- int force_check = 0;
- if (!strcmp(fs_type, "ext4")) {
- /*
- * Some system images do not have tune2fs for licensing reasons
- * Detect these and skip reserve blocks.
- */
- if (access(TUNE2FS_BIN, X_OK)) {
- LERROR << "Not running " << TUNE2FS_BIN << " on "
- << blk_device << " (executable not in system image)";
- } else {
- const char* arg1 = nullptr;
- const char* arg2 = nullptr;
- int status = 0;
- int ret = 0;
- android::base::unique_fd fd(
- TEMP_FAILURE_RETRY(open(blk_device, O_RDONLY | O_CLOEXEC)));
- if (fd >= 0) {
- struct ext4_super_block sb;
- ret = read_super_block(fd, &sb);
- if (ret < 0) {
- PERROR << "Can't read '" << blk_device << "' super block";
- return force_check;
- }
- if (sb.s_magic != EXT4_SUPER_MAGIC) {
- LINFO << "Invalid ext4 magic:0x" << std::hex << sb.s_magic << "," << blk_device;
- *fs_stat |= FS_STAT_EXT4_INVALID_MAGIC;
- return 0; // not a valid fs, tune2fs, fsck, and mount will all fail.
- }
- *fs_stat |= FS_STAT_IS_EXT4;
- LINFO << "superblock s_max_mnt_count:" << sb.s_max_mnt_count << "," << blk_device;
- if (sb.s_max_mnt_count == 0xffff) { // -1 (int16) in ext2, but uint16 in ext4
- *fs_stat |= FS_STAT_NEW_IMAGE_VERSION;
- }
- if ((sb.s_feature_incompat & EXT4_FEATURE_INCOMPAT_RECOVER) != 0 ||
- (sb.s_state & EXT4_VALID_FS) == 0) {
- LINFO << __FUNCTION__ << "(): was not clealy shutdown, state flag:"
- << std::hex << sb.s_state
- << "incompat flag:" << std::hex << sb.s_feature_incompat;
- force_check = 1;
- *fs_stat |= FS_STAT_UNCLEAN_SHUTDOWN;
- }
- int has_quota = (sb.s_feature_ro_compat
- & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_QUOTA)) != 0;
- int want_quota = fs_mgr_is_quota(rec) != 0;
-
- if (has_quota == want_quota) {
- LINFO << "Requested quota status is match on " << blk_device;
- return force_check;
- } else if (want_quota) {
- LINFO << "Enabling quota on " << blk_device;
- arg1 = "-Oquota";
- arg2 = "-Qusrquota,grpquota";
- force_check = 1;
- *fs_stat |= FS_STAT_QUOTA_ENABLED;
- } else {
- LINFO << "Disabling quota on " << blk_device;
- arg1 = "-Q^usrquota,^grpquota";
- arg2 = "-O^quota";
- }
- } else {
- PERROR << "Failed to open '" << blk_device << "'";
- return force_check;
- }
-
- const char *tune2fs_argv[] = {
- TUNE2FS_BIN,
- arg1,
- arg2,
- blk_device,
- };
- ret = android_fork_execvp_ext(ARRAY_SIZE(tune2fs_argv),
- const_cast<char **>(tune2fs_argv),
- &status, true, LOG_KLOG | LOG_FILE,
- true, NULL, NULL, 0);
- if (ret < 0) {
- /* No need to check for error in fork, we can't really handle it now */
- LERROR << "Failed trying to run " << TUNE2FS_BIN;
- *fs_stat |= FS_STAT_TUNE2FS_FAILED;
- }
- }
- }
- return force_check;
+static bool is_ext4_superblock_valid(const struct ext4_super_block* es) {
+ if (es->s_magic != EXT4_SUPER_MAGIC) return false;
+ if (es->s_rev_level != EXT4_DYNAMIC_REV && es->s_rev_level != EXT4_GOOD_OLD_REV) return false;
+ if (EXT4_INODES_PER_GROUP(es) == 0) return false;
+ return true;
}
-static void do_reserved_size(char *blk_device, char *fs_type, struct fstab_rec *rec, int *fs_stat)
-{
- /* Check for the types of filesystems we know how to check */
- if (!strcmp(fs_type, "ext2") || !strcmp(fs_type, "ext3") || !strcmp(fs_type, "ext4")) {
- /*
- * Some system images do not have tune2fs for licensing reasons
- * Detect these and skip reserve blocks.
- */
- if (access(TUNE2FS_BIN, X_OK)) {
- LERROR << "Not running " << TUNE2FS_BIN << " on "
- << blk_device << " (executable not in system image)";
+// Read the primary superblock from an ext4 filesystem. On failure return
+// false. If it's not an ext4 filesystem, also set FS_STAT_EXT4_INVALID_MAGIC.
+static bool read_ext4_superblock(const char* blk_device, struct ext4_super_block* sb, int* fs_stat) {
+ android::base::unique_fd fd(TEMP_FAILURE_RETRY(open(blk_device, O_RDONLY | O_CLOEXEC)));
+
+ if (fd < 0) {
+ PERROR << "Failed to open '" << blk_device << "'";
+ return false;
+ }
+
+ if (pread(fd, sb, sizeof(*sb), 1024) != sizeof(*sb)) {
+ PERROR << "Can't read '" << blk_device << "' superblock";
+ return false;
+ }
+
+ if (!is_ext4_superblock_valid(sb)) {
+ LINFO << "Invalid ext4 superblock on '" << blk_device << "'";
+ // not a valid fs, tune2fs, fsck, and mount will all fail.
+ *fs_stat |= FS_STAT_EXT4_INVALID_MAGIC;
+ return false;
+ }
+ *fs_stat |= FS_STAT_IS_EXT4;
+ LINFO << "superblock s_max_mnt_count:" << sb->s_max_mnt_count << "," << blk_device;
+ if (sb->s_max_mnt_count == 0xffff) { // -1 (int16) in ext2, but uint16 in ext4
+ *fs_stat |= FS_STAT_NEW_IMAGE_VERSION;
+ }
+ return true;
+}
+
+// Some system images do not have tune2fs for licensing reasons.
+// Detect these and skip running it.
+static bool tune2fs_available(void) {
+ return access(TUNE2FS_BIN, X_OK) == 0;
+}
+
+static bool run_tune2fs(const char* argv[], int argc) {
+ int ret;
+
+ ret = android_fork_execvp_ext(argc, const_cast<char**>(argv), nullptr, true,
+ LOG_KLOG | LOG_FILE, true, nullptr, nullptr, 0);
+ return ret == 0;
+}
+
+// Enable/disable quota support on the filesystem if needed.
+static void tune_quota(const char* blk_device, const struct fstab_rec* rec,
+ const struct ext4_super_block* sb, int* fs_stat) {
+ bool has_quota = (sb->s_feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_QUOTA)) != 0;
+ bool want_quota = fs_mgr_is_quota(rec) != 0;
+
+ if (has_quota == want_quota) {
+ return;
+ }
+
+ if (!tune2fs_available()) {
+ LERROR << "Unable to " << (want_quota ? "enable" : "disable") << " quotas on " << blk_device
+ << " because " TUNE2FS_BIN " is missing";
+ return;
+ }
+
+ const char* argv[] = {TUNE2FS_BIN, nullptr, nullptr, blk_device};
+
+ if (want_quota) {
+ LINFO << "Enabling quotas on " << blk_device;
+ argv[1] = "-Oquota";
+ argv[2] = "-Qusrquota,grpquota";
+ *fs_stat |= FS_STAT_QUOTA_ENABLED;
+ } else {
+ LINFO << "Disabling quotas on " << blk_device;
+ argv[1] = "-O^quota";
+ argv[2] = "-Q^usrquota,^grpquota";
+ }
+
+ if (!run_tune2fs(argv, ARRAY_SIZE(argv))) {
+ LERROR << "Failed to run " TUNE2FS_BIN " to " << (want_quota ? "enable" : "disable")
+ << " quotas on " << blk_device;
+ *fs_stat |= FS_STAT_TOGGLE_QUOTAS_FAILED;
+ }
+}
+
+// Set the number of reserved filesystem blocks if needed.
+static void tune_reserved_size(const char* blk_device, const struct fstab_rec* rec,
+ const struct ext4_super_block* sb, int* fs_stat) {
+ if (!(rec->fs_mgr_flags & MF_RESERVEDSIZE)) {
+ return;
+ }
+
+ // The size to reserve is given in the fstab, but we won't reserve more
+ // than 2% of the filesystem.
+ const uint64_t max_reserved_blocks = ext4_blocks_count(sb) * 0.02;
+ uint64_t reserved_blocks = rec->reserved_size / EXT4_BLOCK_SIZE(sb);
+
+ if (reserved_blocks > max_reserved_blocks) {
+ LWARNING << "Reserved blocks " << reserved_blocks << " is too large; "
+ << "capping to " << max_reserved_blocks;
+ reserved_blocks = max_reserved_blocks;
+ }
+
+ if (ext4_r_blocks_count(sb) == reserved_blocks) {
+ return;
+ }
+
+ if (!tune2fs_available()) {
+ LERROR << "Unable to set the number of reserved blocks on " << blk_device
+ << " because " TUNE2FS_BIN " is missing";
+ return;
+ }
+
+ char buf[32];
+ const char* argv[] = {TUNE2FS_BIN, "-r", buf, blk_device};
+
+ snprintf(buf, sizeof(buf), "%" PRIu64, reserved_blocks);
+ LINFO << "Setting reserved block count on " << blk_device << " to " << reserved_blocks;
+ if (!run_tune2fs(argv, ARRAY_SIZE(argv))) {
+ LERROR << "Failed to run " TUNE2FS_BIN " to set the number of reserved blocks on "
+ << blk_device;
+ *fs_stat |= FS_STAT_SET_RESERVED_BLOCKS_FAILED;
+ }
+}
+
+// Enable file-based encryption if needed.
+static void tune_encrypt(const char* blk_device, const struct fstab_rec* rec,
+ const struct ext4_super_block* sb, int* fs_stat) {
+ bool has_encrypt = (sb->s_feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_ENCRYPT)) != 0;
+ bool want_encrypt = fs_mgr_is_file_encrypted(rec) != 0;
+
+ if (has_encrypt || !want_encrypt) {
+ return;
+ }
+
+ if (!tune2fs_available()) {
+ LERROR << "Unable to enable ext4 encryption on " << blk_device
+ << " because " TUNE2FS_BIN " is missing";
+ return;
+ }
+
+ const char* argv[] = {TUNE2FS_BIN, "-Oencrypt", blk_device};
+
+ LINFO << "Enabling ext4 encryption on " << blk_device;
+ if (!run_tune2fs(argv, ARRAY_SIZE(argv))) {
+ LERROR << "Failed to run " TUNE2FS_BIN " to enable "
+ << "ext4 encryption on " << blk_device;
+ *fs_stat |= FS_STAT_ENABLE_ENCRYPTION_FAILED;
+ }
+}
+
+//
+// Prepare the filesystem on the given block device to be mounted.
+//
+// If the "check" option was given in the fstab record, or it seems that the
+// filesystem was uncleanly shut down, we'll run fsck on the filesystem.
+//
+// If needed, we'll also enable (or disable) filesystem features as specified by
+// the fstab record.
+//
+static int prepare_fs_for_mount(const char* blk_device, const struct fstab_rec* rec) {
+ int fs_stat = 0;
+
+ if (is_extfs(rec->fs_type)) {
+ struct ext4_super_block sb;
+
+ if (read_ext4_superblock(blk_device, &sb, &fs_stat)) {
+ if ((sb.s_feature_incompat & EXT4_FEATURE_INCOMPAT_RECOVER) != 0 ||
+ (sb.s_state & EXT4_VALID_FS) == 0) {
+ LINFO << "Filesystem on " << blk_device << " was not cleanly shutdown; "
+ << "state flags: 0x" << std::hex << sb.s_state << ", "
+ << "incompat feature flags: 0x" << std::hex << sb.s_feature_incompat;
+ fs_stat |= FS_STAT_UNCLEAN_SHUTDOWN;
+ }
+
+ // Note: quotas should be enabled before running fsck.
+ tune_quota(blk_device, rec, &sb, &fs_stat);
} else {
- LINFO << "Running " << TUNE2FS_BIN << " on " << blk_device;
-
- int status = 0;
- int ret = 0;
- unsigned long reserved_blocks = 0;
- android::base::unique_fd fd(
- TEMP_FAILURE_RETRY(open(blk_device, O_RDONLY | O_CLOEXEC)));
- if (fd >= 0) {
- struct ext4_super_block sb;
- ret = read_super_block(fd, &sb);
- if (ret < 0) {
- PERROR << "Can't read '" << blk_device << "' super block";
- return;
- }
- reserved_blocks = rec->reserved_size / EXT4_BLOCK_SIZE(&sb);
- unsigned long reserved_threshold = ext4_blocks_count(&sb) * 0.02;
- if (reserved_threshold < reserved_blocks) {
- LWARNING << "Reserved blocks " << reserved_blocks
- << " is too large";
- reserved_blocks = reserved_threshold;
- }
-
- if (ext4_r_blocks_count(&sb) == reserved_blocks) {
- LINFO << "Have reserved same blocks";
- return;
- }
- } else {
- PERROR << "Failed to open '" << blk_device << "'";
- return;
- }
-
- char buf[16] = {0};
- snprintf(buf, sizeof (buf), "-r %lu", reserved_blocks);
- const char *tune2fs_argv[] = {
- TUNE2FS_BIN,
- buf,
- blk_device,
- };
-
- ret = android_fork_execvp_ext(ARRAY_SIZE(tune2fs_argv),
- const_cast<char **>(tune2fs_argv),
- &status, true, LOG_KLOG | LOG_FILE,
- true, NULL, NULL, 0);
-
- if (ret < 0) {
- /* No need to check for error in fork, we can't really handle it now */
- LERROR << "Failed trying to run " << TUNE2FS_BIN;
- *fs_stat |= FS_STAT_TUNE2FS_FAILED;
- }
+ return fs_stat;
}
}
+
+ if ((rec->fs_mgr_flags & MF_CHECK) ||
+ (fs_stat & (FS_STAT_UNCLEAN_SHUTDOWN | FS_STAT_QUOTA_ENABLED))) {
+ check_fs(blk_device, rec->fs_type, rec->mount_point, &fs_stat);
+ }
+
+ if (is_extfs(rec->fs_type) && (rec->fs_mgr_flags & (MF_RESERVEDSIZE | MF_FILEENCRYPTION))) {
+ struct ext4_super_block sb;
+
+ if (read_ext4_superblock(blk_device, &sb, &fs_stat)) {
+ tune_reserved_size(blk_device, rec, &sb, &fs_stat);
+ tune_encrypt(blk_device, rec, &sb, &fs_stat);
+ }
+ }
+
+ return fs_stat;
}
static void remove_trailing_slashes(char *n)
@@ -457,6 +482,16 @@
return rc;
}
+// Orange state means the device is unlocked, see the following link for details.
+// https://source.android.com/security/verifiedboot/verified-boot#device_state
+bool fs_mgr_is_device_unlocked() {
+ std::string verified_boot_state;
+ if (fs_mgr_get_boot_config("verifiedbootstate", &verified_boot_state)) {
+ return verified_boot_state == "orange";
+ }
+ return false;
+}
+
/*
* __mount(): wrapper around the mount() system call which also
* sets the underlying block device to read-only if the mount is read-only.
@@ -476,10 +511,11 @@
if ((info.st_mode & S_IFMT) == S_IFLNK)
unlink(target);
mkdir(target, 0755);
+ errno = 0;
ret = mount(source, target, rec->fs_type, mountflags, rec->fs_options);
save_errno = errno;
- LINFO << __FUNCTION__ << "(source=" << source << ",target="
- << target << ",type=" << rec->fs_type << ")=" << ret;
+ PINFO << __FUNCTION__ << "(source=" << source << ",target=" << target
+ << ",type=" << rec->fs_type << ")=" << ret;
if ((ret == 0) && (mountflags & MS_RDONLY) != 0) {
fs_mgr_set_blk_ro(source);
}
@@ -559,10 +595,7 @@
continue;
}
- int fs_stat = 0;
- int force_check = do_quota_with_shutdown_check(fstab->recs[i].blk_device,
- fstab->recs[i].fs_type,
- &fstab->recs[i], &fs_stat);
+ int fs_stat = prepare_fs_for_mount(fstab->recs[i].blk_device, &fstab->recs[i]);
if (fs_stat & FS_STAT_EXT4_INVALID_MAGIC) {
LERROR << __FUNCTION__ << "(): skipping mount, invalid ext4, mountpoint="
<< fstab->recs[i].mount_point << " rec[" << i
@@ -570,15 +603,6 @@
mount_errno = EINVAL; // continue bootup for FDE
continue;
}
- if ((fstab->recs[i].fs_mgr_flags & MF_CHECK) || force_check) {
- check_fs(fstab->recs[i].blk_device, fstab->recs[i].fs_type,
- fstab->recs[i].mount_point, &fs_stat);
- }
-
- if (fstab->recs[i].fs_mgr_flags & MF_RESERVEDSIZE) {
- do_reserved_size(fstab->recs[i].blk_device, fstab->recs[i].fs_type,
- &fstab->recs[i], &fs_stat);
- }
int retry_count = 2;
while (retry_count-- > 0) {
@@ -756,19 +780,6 @@
}
}
-// TODO: add ueventd notifiers if they don't exist.
-// This is just doing a wait_for_device for maximum of 1s
-int fs_mgr_test_access(const char *device) {
- int tries = 25;
- while (tries--) {
- if (!access(device, F_OK) || errno != ENOENT) {
- return 0;
- }
- usleep(40 * 1000);
- }
- return -1;
-}
-
bool is_device_secure() {
int ret = -1;
char value[PROP_VALUE_MAX];
@@ -829,9 +840,7 @@
}
/* Translate LABEL= file system labels into block devices */
- if (!strcmp(fstab->recs[i].fs_type, "ext2") ||
- !strcmp(fstab->recs[i].fs_type, "ext3") ||
- !strcmp(fstab->recs[i].fs_type, "ext4")) {
+ if (is_extfs(fstab->recs[i].fs_type)) {
int tret = translate_ext_labels(&fstab->recs[i]);
if (tret < 0) {
LERROR << "Could not translate label to block device";
@@ -839,8 +848,10 @@
}
}
- if (fstab->recs[i].fs_mgr_flags & MF_WAIT) {
- wait_for_file(fstab->recs[i].blk_device, WAIT_TIMEOUT);
+ if (fstab->recs[i].fs_mgr_flags & MF_WAIT &&
+ !fs_mgr_wait_for_file(fstab->recs[i].blk_device, 20s)) {
+ LERROR << "Skipping '" << fstab->recs[i].blk_device << "' during mount_all";
+ continue;
}
if (fstab->recs[i].fs_mgr_flags & MF_AVB) {
@@ -1047,22 +1058,12 @@
}
/* First check the filesystem if requested */
- if (fstab->recs[i].fs_mgr_flags & MF_WAIT) {
- wait_for_file(n_blk_device, WAIT_TIMEOUT);
+ if (fstab->recs[i].fs_mgr_flags & MF_WAIT && !fs_mgr_wait_for_file(n_blk_device, 20s)) {
+ LERROR << "Skipping mounting '" << n_blk_device << "'";
+ continue;
}
- int fs_stat = 0;
- int force_check = do_quota_with_shutdown_check(n_blk_device, fstab->recs[i].fs_type,
- &fstab->recs[i], &fs_stat);
-
- if ((fstab->recs[i].fs_mgr_flags & MF_CHECK) || force_check) {
- check_fs(n_blk_device, fstab->recs[i].fs_type,
- fstab->recs[i].mount_point, &fs_stat);
- }
-
- if (fstab->recs[i].fs_mgr_flags & MF_RESERVEDSIZE) {
- do_reserved_size(n_blk_device, fstab->recs[i].fs_type, &fstab->recs[i], &fs_stat);
- }
+ int fs_stat = prepare_fs_for_mount(n_blk_device, &fstab->recs[i]);
if (fstab->recs[i].fs_mgr_flags & MF_AVB) {
if (!avb_handle) {
@@ -1221,8 +1222,11 @@
fclose(zram_fp);
}
- if (fstab->recs[i].fs_mgr_flags & MF_WAIT) {
- wait_for_file(fstab->recs[i].blk_device, WAIT_TIMEOUT);
+ if (fstab->recs[i].fs_mgr_flags & MF_WAIT &&
+ !fs_mgr_wait_for_file(fstab->recs[i].blk_device, 20s)) {
+ LERROR << "Skipping mkswap for '" << fstab->recs[i].blk_device << "'";
+ ret = -1;
+ continue;
}
/* Initialize the swap area */
diff --git a/fs_mgr/fs_mgr_avb.cpp b/fs_mgr/fs_mgr_avb.cpp
index 2c99aa7..7824cfa 100644
--- a/fs_mgr/fs_mgr_avb.cpp
+++ b/fs_mgr/fs_mgr_avb.cpp
@@ -397,7 +397,7 @@
fstab_entry->blk_device = strdup(verity_blk_name.c_str());
// Makes sure we've set everything up properly.
- if (wait_for_verity_dev && fs_mgr_test_access(verity_blk_name.c_str()) < 0) {
+ if (wait_for_verity_dev && !fs_mgr_wait_for_file(verity_blk_name, 1s)) {
return false;
}
@@ -473,16 +473,6 @@
return true;
}
-// Orange state means the device is unlocked, see the following link for details.
-// https://source.android.com/security/verifiedboot/verified-boot#device_state
-static inline bool IsDeviceUnlocked() {
- std::string verified_boot_state;
- if (fs_mgr_get_boot_config("verifiedbootstate", &verified_boot_state)) {
- return verified_boot_state == "orange";
- }
- return false;
-}
-
FsManagerAvbUniquePtr FsManagerAvbHandle::Open(const fstab& fstab) {
FsManagerAvbOps avb_ops(fstab);
return DoOpen(&avb_ops);
@@ -498,7 +488,7 @@
}
FsManagerAvbUniquePtr FsManagerAvbHandle::DoOpen(FsManagerAvbOps* avb_ops) {
- bool is_device_unlocked = IsDeviceUnlocked();
+ bool is_device_unlocked = fs_mgr_is_device_unlocked();
FsManagerAvbUniquePtr avb_handle(new FsManagerAvbHandle());
if (!avb_handle) {
diff --git a/fs_mgr/fs_mgr_avb_ops.cpp b/fs_mgr/fs_mgr_avb_ops.cpp
index ba1262f..43879fe 100644
--- a/fs_mgr/fs_mgr_avb_ops.cpp
+++ b/fs_mgr/fs_mgr_avb_ops.cpp
@@ -142,10 +142,8 @@
}
std::string path = iter->second;
- // Ensures the device path (a symlink created by init) is ready to
- // access. fs_mgr_test_access() will test a few iterations if the
- // path doesn't exist yet.
- if (fs_mgr_test_access(path.c_str()) < 0) {
+ // Ensures the device path (a symlink created by init) is ready to access.
+ if (!fs_mgr_wait_for_file(path, 1s)) {
return AVB_IO_RESULT_ERROR_NO_SUCH_PARTITION;
}
diff --git a/fs_mgr/fs_mgr_boot_config.cpp b/fs_mgr/fs_mgr_boot_config.cpp
index ab5beed..9117667 100644
--- a/fs_mgr/fs_mgr_boot_config.cpp
+++ b/fs_mgr/fs_mgr_boot_config.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include <string>
+
#include <android-base/file.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
@@ -51,9 +53,11 @@
// lastly, check the device tree
if (is_dt_compatible()) {
std::string file_name = kAndroidDtDir + "/" + key;
- // DT entries terminate with '\0' but so do the properties
if (android::base::ReadFileToString(file_name, out_val)) {
- return true;
+ if (!out_val->empty()) {
+ out_val->pop_back(); // Trims the trailing '\0' out.
+ return true;
+ }
}
}
diff --git a/fs_mgr/fs_mgr_format.cpp b/fs_mgr/fs_mgr_format.cpp
index fc88217..85a593f 100644
--- a/fs_mgr/fs_mgr_format.cpp
+++ b/fs_mgr/fs_mgr_format.cpp
@@ -34,23 +34,35 @@
#include "fs_mgr_priv.h"
#include "cryptfs.h"
-static int format_ext4(char *fs_blkdev, char *fs_mnt_point, bool crypt_footer)
+static int get_dev_sz(char *fs_blkdev, uint64_t *dev_sz)
{
- uint64_t dev_sz;
- int fd, rc = 0;
+ int fd;
- if ((fd = open(fs_blkdev, O_WRONLY)) < 0) {
+ if ((fd = open(fs_blkdev, O_RDONLY)) < 0) {
PERROR << "Cannot open block device";
return -1;
}
- if ((ioctl(fd, BLKGETSIZE64, &dev_sz)) == -1) {
+ if ((ioctl(fd, BLKGETSIZE64, dev_sz)) == -1) {
PERROR << "Cannot get block device size";
close(fd);
return -1;
}
close(fd);
+ return 0;
+}
+
+static int format_ext4(char *fs_blkdev, char *fs_mnt_point, bool crypt_footer)
+{
+ uint64_t dev_sz;
+ int rc = 0;
+ int status;
+
+ rc = get_dev_sz(fs_blkdev, &dev_sz);
+ if (rc) {
+ return rc;
+ }
/* Format the partition using the calculated length */
if (crypt_footer) {
@@ -85,9 +97,25 @@
return rc;
}
-static int format_f2fs(char *fs_blkdev)
+static int format_f2fs(char *fs_blkdev, uint64_t dev_sz, bool crypt_footer)
{
- const char* const args[] = {"/system/bin/make_f2fs", "-f", "-O encrypt", fs_blkdev, nullptr};
+ int status;
+
+ if (!dev_sz) {
+ int rc = get_dev_sz(fs_blkdev, &dev_sz);
+ if (rc) {
+ return rc;
+ }
+ }
+
+ /* Format the partition using the calculated length */
+ if (crypt_footer) {
+ dev_sz -= CRYPT_FOOTER_OFFSET;
+ }
+
+ std::string size_str = std::to_string(dev_sz / 4096);
+ const char* const args[] = {
+ "/system/bin/make_f2fs", "-f", "-O", "encrypt", fs_blkdev, size_str.c_str(), nullptr};
return android_fork_execvp_ext(arraysize(args), const_cast<char**>(args), NULL, true,
LOG_KLOG, true, nullptr, nullptr, 0);
@@ -101,7 +129,7 @@
<< " as '" << fstab->fs_type << "'";
if (!strncmp(fstab->fs_type, "f2fs", 4)) {
- rc = format_f2fs(fstab->blk_device);
+ rc = format_f2fs(fstab->blk_device, fstab->length, crypt_footer);
} else if (!strncmp(fstab->fs_type, "ext4", 4)) {
rc = format_ext4(fstab->blk_device, fstab->mount_point, crypt_footer);
} else {
diff --git a/fs_mgr/fs_mgr_fstab.cpp b/fs_mgr/fs_mgr_fstab.cpp
index 6c527c5..6dcbded 100644
--- a/fs_mgr/fs_mgr_fstab.cpp
+++ b/fs_mgr/fs_mgr_fstab.cpp
@@ -864,32 +864,26 @@
return fstab->fs_mgr_flags & MF_NOEMULATEDSD;
}
-int fs_mgr_is_notrim(struct fstab_rec *fstab)
-{
+int fs_mgr_is_notrim(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & MF_NOTRIM;
}
-int fs_mgr_is_formattable(struct fstab_rec *fstab)
-{
+int fs_mgr_is_formattable(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & (MF_FORMATTABLE);
}
-int fs_mgr_is_slotselect(struct fstab_rec *fstab)
-{
+int fs_mgr_is_slotselect(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & MF_SLOTSELECT;
}
-int fs_mgr_is_nofail(struct fstab_rec *fstab)
-{
+int fs_mgr_is_nofail(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & MF_NOFAIL;
}
-int fs_mgr_is_latemount(struct fstab_rec *fstab)
-{
+int fs_mgr_is_latemount(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & MF_LATEMOUNT;
}
-int fs_mgr_is_quota(struct fstab_rec *fstab)
-{
+int fs_mgr_is_quota(const struct fstab_rec* fstab) {
return fstab->fs_mgr_flags & MF_QUOTA;
}
diff --git a/fs_mgr/fs_mgr_priv.h b/fs_mgr/fs_mgr_priv.h
index 3ca507b..a5d172b 100644
--- a/fs_mgr/fs_mgr_priv.h
+++ b/fs_mgr/fs_mgr_priv.h
@@ -17,8 +17,12 @@
#ifndef __CORE_FS_MGR_PRIV_H
#define __CORE_FS_MGR_PRIV_H
+#include <chrono>
+#include <string>
+
#include <android-base/logging.h>
-#include <fs_mgr.h>
+
+#include "fs_mgr.h"
#include "fs_mgr_priv_boot_config.h"
/* The CHECK() in logging.h will use program invocation name as the tag.
@@ -43,8 +47,6 @@
#define CRYPTO_TMPFS_OPTIONS "size=256m,mode=0771,uid=1000,gid=1000"
-#define WAIT_TIMEOUT 20
-
/* fstab has the following format:
*
* Any line starting with a # is a comment and ignored
@@ -111,9 +113,13 @@
#define DM_BUF_SIZE 4096
+using namespace std::chrono_literals;
+
int fs_mgr_set_blk_ro(const char *blockdev);
-int fs_mgr_test_access(const char *device);
+bool fs_mgr_wait_for_file(const std::string& filename,
+ const std::chrono::milliseconds relative_timeout);
bool fs_mgr_update_for_slotselect(struct fstab *fstab);
+bool fs_mgr_is_device_unlocked();
bool is_dt_compatible();
bool is_device_secure();
int load_verity_state(struct fstab_rec* fstab, int* mode);
diff --git a/fs_mgr/fs_mgr_verity.cpp b/fs_mgr/fs_mgr_verity.cpp
index 8fa9370..7f8e1e2 100644
--- a/fs_mgr/fs_mgr_verity.cpp
+++ b/fs_mgr/fs_mgr_verity.cpp
@@ -782,8 +782,8 @@
if (fec_verity_get_metadata(f, &verity) < 0) {
PERROR << "Failed to get verity metadata '" << fstab->blk_device << "'";
// Allow verity disabled when the device is unlocked without metadata
- if ("0" == android::base::GetProperty("ro.boot.flash.locked", "")) {
- retval = FS_MGR_SETUP_VERITY_DISABLED;
+ if (fs_mgr_is_device_unlocked()) {
+ retval = FS_MGR_SETUP_VERITY_SKIPPED;
LWARNING << "Allow invalid metadata when the device is unlocked";
}
goto out;
@@ -841,9 +841,15 @@
// verify the signature on the table
if (verify_verity_signature(verity) < 0) {
+ // Allow signature verification error when the device is unlocked
+ if (fs_mgr_is_device_unlocked()) {
+ retval = FS_MGR_SETUP_VERITY_SKIPPED;
+ LWARNING << "Allow signature verification error when the device is unlocked";
+ goto out;
+ }
if (params.mode == VERITY_MODE_LOGGING) {
// the user has been warned, allow mounting without dm-verity
- retval = FS_MGR_SETUP_VERITY_SUCCESS;
+ retval = FS_MGR_SETUP_VERITY_SKIPPED;
goto out;
}
@@ -929,7 +935,7 @@
}
// make sure we've set everything up properly
- if (wait_for_verity_dev && fs_mgr_test_access(fstab->blk_device) < 0) {
+ if (wait_for_verity_dev && !fs_mgr_wait_for_file(fstab->blk_device, 1s)) {
goto out;
}
diff --git a/fs_mgr/include_fstab/fstab/fstab.h b/fs_mgr/include_fstab/fstab/fstab.h
index d7cbfe1..15c8caf 100644
--- a/fs_mgr/include_fstab/fstab/fstab.h
+++ b/fs_mgr/include_fstab/fstab/fstab.h
@@ -83,12 +83,12 @@
const char** filenames_mode_ret);
int fs_mgr_is_convertible_to_fbe(const struct fstab_rec* fstab);
int fs_mgr_is_noemulatedsd(const struct fstab_rec* fstab);
-int fs_mgr_is_notrim(struct fstab_rec* fstab);
-int fs_mgr_is_formattable(struct fstab_rec* fstab);
-int fs_mgr_is_slotselect(struct fstab_rec* fstab);
-int fs_mgr_is_nofail(struct fstab_rec* fstab);
-int fs_mgr_is_latemount(struct fstab_rec* fstab);
-int fs_mgr_is_quota(struct fstab_rec* fstab);
+int fs_mgr_is_notrim(const struct fstab_rec* fstab);
+int fs_mgr_is_formattable(const struct fstab_rec* fstab);
+int fs_mgr_is_slotselect(const struct fstab_rec* fstab);
+int fs_mgr_is_nofail(const struct fstab_rec* fstab);
+int fs_mgr_is_latemount(const struct fstab_rec* fstab);
+int fs_mgr_is_quota(const struct fstab_rec* fstab);
__END_DECLS
diff --git a/gatekeeperd/SoftGateKeeper.h b/gatekeeperd/SoftGateKeeper.h
index cb02a6f..92d1752 100644
--- a/gatekeeperd/SoftGateKeeper.h
+++ b/gatekeeperd/SoftGateKeeper.h
@@ -26,8 +26,8 @@
}
#include <android-base/memory.h>
-#include <UniquePtr.h>
#include <gatekeeper/gatekeeper.h>
+#include <nativehelper/UniquePtr.h>
#include <iostream>
#include <unordered_map>
diff --git a/gatekeeperd/SoftGateKeeperDevice.h b/gatekeeperd/SoftGateKeeperDevice.h
index 3463c29..229f9a9 100644
--- a/gatekeeperd/SoftGateKeeperDevice.h
+++ b/gatekeeperd/SoftGateKeeperDevice.h
@@ -19,7 +19,7 @@
#include "SoftGateKeeper.h"
-#include <UniquePtr.h>
+#include <nativehelper/UniquePtr.h>
using namespace gatekeeper;
diff --git a/gatekeeperd/tests/gatekeeper_test.cpp b/gatekeeperd/tests/gatekeeper_test.cpp
index 47a8bfa..b3aea7b 100644
--- a/gatekeeperd/tests/gatekeeper_test.cpp
+++ b/gatekeeperd/tests/gatekeeper_test.cpp
@@ -19,7 +19,7 @@
#include <gtest/gtest.h>
#include <hardware/hw_auth_token.h>
-#include <UniquePtr.h>
+#include <nativehelper/UniquePtr.h>
#include "../SoftGateKeeper.h"
diff --git a/healthd/Android.bp b/healthd/Android.bp
new file mode 100644
index 0000000..56f5148
--- /dev/null
+++ b/healthd/Android.bp
@@ -0,0 +1,7 @@
+cc_library_headers {
+ name: "libhealthd_headers",
+ vendor_available: true,
+ export_include_dirs: ["include"],
+ header_libs: ["libbatteryservice_headers"],
+ export_header_lib_headers: ["libbatteryservice_headers"],
+}
diff --git a/healthd/Android.mk b/healthd/Android.mk
index 8b59964..6b14289 100644
--- a/healthd/Android.mk
+++ b/healthd/Android.mk
@@ -33,6 +33,30 @@
include $(CLEAR_VARS)
+LOCAL_MODULE := libhealthd_draw
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
+LOCAL_STATIC_LIBRARIES := \
+ libminui \
+ libbase
+LOCAL_SRC_FILES := healthd_draw.cpp
+
+ifneq ($(TARGET_HEALTHD_DRAW_SPLIT_SCREEN),)
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_SCREEN=$(TARGET_HEALTHD_DRAW_SPLIT_SCREEN)
+else
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_SCREEN=0
+endif
+
+ifneq ($(TARGET_HEALTHD_DRAW_SPLIT_OFFSET),)
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_OFFSET=$(TARGET_HEALTHD_DRAW_SPLIT_OFFSET)
+else
+LOCAL_CFLAGS += -DHEALTHD_DRAW_SPLIT_OFFSET=0
+endif
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
LOCAL_CFLAGS := -Werror
ifeq ($(strip $(BOARD_CHARGER_DISABLE_INIT_BLANK)),true)
LOCAL_CFLAGS += -DCHARGER_DISABLE_INIT_BLANK
@@ -58,6 +82,7 @@
libutils \
libbase \
libcutils \
+ libhealthd_draw \
liblog \
libm \
libc \
@@ -101,6 +126,7 @@
LOCAL_STATIC_LIBRARIES := \
libhealthd_charger \
+ libhealthd_draw \
libbatterymonitor \
libbase \
libutils \
diff --git a/healthd/healthd_draw.cpp b/healthd/healthd_draw.cpp
new file mode 100644
index 0000000..ea3d991
--- /dev/null
+++ b/healthd/healthd_draw.cpp
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/stringprintf.h>
+#include <batteryservice/BatteryService.h>
+#include <cutils/klog.h>
+
+#include "healthd_draw.h"
+
+#define LOGE(x...) KLOG_ERROR("charger", x);
+#define LOGV(x...) KLOG_DEBUG("charger", x);
+
+HealthdDraw::HealthdDraw(animation* anim)
+ : kSplitScreen(HEALTHD_DRAW_SPLIT_SCREEN),
+ kSplitOffset(HEALTHD_DRAW_SPLIT_OFFSET) {
+ gr_init();
+ gr_font_size(gr_sys_font(), &char_width_, &char_height_);
+
+ screen_width_ = gr_fb_width() / (kSplitScreen ? 2 : 1);
+ screen_height_ = gr_fb_height();
+
+ int res;
+ if (!anim->text_clock.font_file.empty() &&
+ (res = gr_init_font(anim->text_clock.font_file.c_str(),
+ &anim->text_clock.font)) < 0) {
+ LOGE("Could not load time font (%d)\n", res);
+ }
+ if (!anim->text_percent.font_file.empty() &&
+ (res = gr_init_font(anim->text_percent.font_file.c_str(),
+ &anim->text_percent.font)) < 0) {
+ LOGE("Could not load percent font (%d)\n", res);
+ }
+}
+
+HealthdDraw::~HealthdDraw() {}
+
+void HealthdDraw::redraw_screen(const animation* batt_anim, GRSurface* surf_unknown) {
+ clear_screen();
+
+ /* try to display *something* */
+ if (batt_anim->cur_level < 0 || batt_anim->num_frames == 0)
+ draw_unknown(surf_unknown);
+ else
+ draw_battery(batt_anim);
+ gr_flip();
+}
+
+void HealthdDraw::blank_screen(bool blank) { gr_fb_blank(blank); }
+
+void HealthdDraw::clear_screen(void) {
+ gr_color(0, 0, 0, 255);
+ gr_clear();
+}
+
+int HealthdDraw::draw_surface_centered(GRSurface* surface) {
+ int w = gr_get_width(surface);
+ int h = gr_get_height(surface);
+ int x = (screen_width_ - w) / 2 + kSplitOffset;
+ int y = (screen_height_ - h) / 2;
+
+ LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
+ gr_blit(surface, 0, 0, w, h, x, y);
+ if (kSplitScreen) {
+ x += screen_width_ - 2 * kSplitOffset;
+ LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
+ gr_blit(surface, 0, 0, w, h, x, y);
+ }
+
+ return y + h;
+}
+
+int HealthdDraw::draw_text(const GRFont* font, int x, int y, const char* str) {
+ int str_len_px = gr_measure(font, str);
+
+ if (x < 0) x = (screen_width_ - str_len_px) / 2;
+ if (y < 0) y = (screen_height_ - char_height_) / 2;
+ gr_text(font, x + kSplitOffset, y, str, false /* bold */);
+ if (kSplitScreen)
+ gr_text(font, x - kSplitOffset + screen_width_, y, str, false /* bold */);
+
+ return y + char_height_;
+}
+
+void HealthdDraw::determine_xy(const animation::text_field& field,
+ const int length, int* x, int* y) {
+ *x = field.pos_x;
+
+ int str_len_px = length * field.font->char_width;
+ if (field.pos_x == CENTER_VAL) {
+ *x = (screen_width_ - str_len_px) / 2;
+ } else if (field.pos_x >= 0) {
+ *x = field.pos_x;
+ } else { // position from max edge
+ *x = screen_width_ + field.pos_x - str_len_px - kSplitOffset;
+ }
+
+ *y = field.pos_y;
+
+ if (field.pos_y == CENTER_VAL) {
+ *y = (screen_height_ - field.font->char_height) / 2;
+ } else if (field.pos_y >= 0) {
+ *y = field.pos_y;
+ } else { // position from max edge
+ *y = screen_height_ + field.pos_y - field.font->char_height;
+ }
+}
+
+void HealthdDraw::draw_clock(const animation* anim) {
+ static constexpr char CLOCK_FORMAT[] = "%H:%M";
+ static constexpr int CLOCK_LENGTH = 6;
+
+ const animation::text_field& field = anim->text_clock;
+
+ if (field.font == nullptr || field.font->char_width == 0 ||
+ field.font->char_height == 0)
+ return;
+
+ time_t rawtime;
+ time(&rawtime);
+ tm* time_info = localtime(&rawtime);
+
+ char clock_str[CLOCK_LENGTH];
+ size_t length = strftime(clock_str, CLOCK_LENGTH, CLOCK_FORMAT, time_info);
+ if (length != CLOCK_LENGTH - 1) {
+ LOGE("Could not format time\n");
+ return;
+ }
+
+ int x, y;
+ determine_xy(field, length, &x, &y);
+
+ LOGV("drawing clock %s %d %d\n", clock_str, x, y);
+ gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+ draw_text(field.font, x, y, clock_str);
+}
+
+void HealthdDraw::draw_percent(const animation* anim) {
+ int cur_level = anim->cur_level;
+ if (anim->cur_status == BATTERY_STATUS_FULL) {
+ cur_level = 100;
+ }
+
+ if (cur_level <= 0) return;
+
+ const animation::text_field& field = anim->text_percent;
+ if (field.font == nullptr || field.font->char_width == 0 ||
+ field.font->char_height == 0) {
+ return;
+ }
+
+ std::string str = base::StringPrintf("%d%%", cur_level);
+
+ int x, y;
+ determine_xy(field, str.size(), &x, &y);
+
+ LOGV("drawing percent %s %d %d\n", str.c_str(), x, y);
+ gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
+ draw_text(field.font, x, y, str.c_str());
+}
+
+void HealthdDraw::draw_battery(const animation* anim) {
+ const animation::frame& frame = anim->frames[anim->cur_frame];
+
+ if (anim->num_frames != 0) {
+ draw_surface_centered(frame.surface);
+ LOGV("drawing frame #%d min_cap=%d time=%d\n", anim->cur_frame,
+ frame.min_level, frame.disp_time);
+ }
+ draw_clock(anim);
+ draw_percent(anim);
+}
+
+void HealthdDraw::draw_unknown(GRSurface* surf_unknown) {
+ int y;
+ if (surf_unknown) {
+ draw_surface_centered(surf_unknown);
+ } else {
+ gr_color(0xa4, 0xc6, 0x39, 255);
+ y = draw_text(gr_sys_font(), -1, -1, "Charging!");
+ draw_text(gr_sys_font(), -1, y + 25, "?\?/100");
+ }
+}
diff --git a/healthd/healthd_draw.h b/healthd/healthd_draw.h
new file mode 100644
index 0000000..6a6ba76
--- /dev/null
+++ b/healthd/healthd_draw.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef HEALTHD_DRAW_H
+#define HEALTHD_DRAW_H
+
+#include <linux/input.h>
+#include <minui/minui.h>
+
+#include "animation.h"
+
+using namespace android;
+
+class HealthdDraw {
+ public:
+ // Configures font using given animation.
+ HealthdDraw(animation* anim);
+ virtual ~HealthdDraw();
+
+ // Redraws screen.
+ void redraw_screen(const animation* batt_anim, GRSurface* surf_unknown);
+
+ // Blanks screen if true, unblanks if false.
+ virtual void blank_screen(bool blank);
+
+ protected:
+ virtual void clear_screen();
+
+ // returns the last y-offset of where the surface ends.
+ virtual int draw_surface_centered(GRSurface* surface);
+ // Negative x or y coordinates center text.
+ virtual int draw_text(const GRFont* font, int x, int y, const char* str);
+
+ // Negative x or y coordinates position the text away from the opposite edge
+ // that positive ones do.
+ virtual void determine_xy(const animation::text_field& field,
+ const int length, int* x, int* y);
+
+ // Draws battery animation, if it exists.
+ virtual void draw_battery(const animation* anim);
+ // Draws clock text, if animation contains text_field data.
+ virtual void draw_clock(const animation* anim);
+ // Draws battery percentage text if animation contains text_field data.
+ virtual void draw_percent(const animation* anim);
+ // Draws charger->surf_unknown or basic text.
+ virtual void draw_unknown(GRSurface* surf_unknown);
+
+ // Pixel sizes of characters for default font.
+ int char_width_;
+ int char_height_;
+
+ // Width and height of screen in pixels.
+ int screen_width_;
+ int screen_height_;
+
+ // Device screen is split vertically.
+ const bool kSplitScreen;
+ // Pixels to offset graphics towards center split.
+ const int kSplitOffset;
+};
+
+#endif // HEALTHD_DRAW_H
diff --git a/healthd/healthd_mode_charger.cpp b/healthd/healthd_mode_charger.cpp
index c76762d..6c6d738 100644
--- a/healthd/healthd_mode_charger.cpp
+++ b/healthd/healthd_mode_charger.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2011-2013 The Android Open Source Project
+ * Copyright (C) 2011-2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -18,7 +18,6 @@
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
-#include <linux/input.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
@@ -34,56 +33,54 @@
#include <android-base/file.h>
#include <android-base/macros.h>
-#include <android-base/stringprintf.h>
-#include <sys/socket.h>
#include <linux/netlink.h>
+#include <sys/socket.h>
-#include <batteryservice/BatteryService.h>
#include <cutils/klog.h>
#include <cutils/misc.h>
-#include <cutils/uevent.h>
#include <cutils/properties.h>
-#include <minui/minui.h>
+#include <cutils/uevent.h>
#include <sys/reboot.h>
#ifdef CHARGER_ENABLE_SUSPEND
#include <suspend/autosuspend.h>
#endif
-#include "animation.h"
#include "AnimationParser.h"
+#include "healthd_draw.h"
#include <healthd/healthd.h>
using namespace android;
-char *locale;
+char* locale;
#ifndef max
-#define max(a,b) ((a) > (b) ? (a) : (b))
+#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
#ifndef min
-#define min(a,b) ((a) < (b) ? (a) : (b))
+#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
-#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#define MSEC_PER_SEC (1000LL)
-#define NSEC_PER_MSEC (1000000LL)
+#define MSEC_PER_SEC (1000LL)
+#define NSEC_PER_MSEC (1000000LL)
-#define BATTERY_UNKNOWN_TIME (2 * MSEC_PER_SEC)
-#define POWER_ON_KEY_TIME (2 * MSEC_PER_SEC)
+#define BATTERY_UNKNOWN_TIME (2 * MSEC_PER_SEC)
+#define POWER_ON_KEY_TIME (2 * MSEC_PER_SEC)
#define UNPLUGGED_SHUTDOWN_TIME (10 * MSEC_PER_SEC)
-#define LAST_KMSG_MAX_SZ (32 * 1024)
+#define LAST_KMSG_MAX_SZ (32 * 1024)
-#define LOGE(x...) do { KLOG_ERROR("charger", x); } while (0)
-#define LOGW(x...) do { KLOG_WARNING("charger", x); } while (0)
-#define LOGV(x...) do { KLOG_DEBUG("charger", x); } while (0)
+#define LOGE(x...) KLOG_ERROR("charger", x);
+#define LOGW(x...) KLOG_WARNING("charger", x);
+#define LOGV(x...) KLOG_DEBUG("charger", x);
-static constexpr const char* animation_desc_path = "/res/values/charger/animation.txt";
+static constexpr const char* animation_desc_path =
+ "/res/values/charger/animation.txt";
struct key_state {
bool pending;
@@ -98,34 +95,36 @@
int64_t next_key_check;
int64_t next_pwr_check;
- struct key_state keys[KEY_MAX + 1];
+ key_state keys[KEY_MAX + 1];
- struct animation *batt_anim;
+ animation* batt_anim;
GRSurface* surf_unknown;
int boot_min_cap;
};
-static const struct animation BASE_ANIMATION = {
- .text_clock = {
- .pos_x = 0,
- .pos_y = 0,
+static const animation BASE_ANIMATION = {
+ .text_clock =
+ {
+ .pos_x = 0,
+ .pos_y = 0,
- .color_r = 255,
- .color_g = 255,
- .color_b = 255,
- .color_a = 255,
+ .color_r = 255,
+ .color_g = 255,
+ .color_b = 255,
+ .color_a = 255,
- .font = nullptr,
- },
- .text_percent = {
- .pos_x = 0,
- .pos_y = 0,
+ .font = nullptr,
+ },
+ .text_percent =
+ {
+ .pos_x = 0,
+ .pos_y = 0,
- .color_r = 255,
- .color_g = 255,
- .color_b = 255,
- .color_a = 255,
- },
+ .color_r = 255,
+ .color_g = 255,
+ .color_b = 255,
+ .color_a = 255,
+ },
.run = false,
@@ -141,8 +140,7 @@
.cur_status = BATTERY_STATUS_UNKNOWN,
};
-
-static struct animation::frame default_animation_frames[] = {
+static animation::frame default_animation_frames[] = {
{
.disp_time = 750,
.min_level = 0,
@@ -181,35 +179,25 @@
},
};
-static struct animation battery_animation = BASE_ANIMATION;
+static animation battery_animation = BASE_ANIMATION;
-static struct charger charger_state;
-static struct healthd_config *healthd_config;
-static struct android::BatteryProperties *batt_prop;
-static int char_width;
-static int char_height;
-static bool minui_inited;
+static charger charger_state;
+static healthd_config* healthd_config;
+static android::BatteryProperties* batt_prop;
+static std::unique_ptr<HealthdDraw> healthd_draw;
/* current time in milliseconds */
-static int64_t curr_time_ms(void)
-{
- struct timespec tm;
+static int64_t curr_time_ms() {
+ timespec tm;
clock_gettime(CLOCK_MONOTONIC, &tm);
return tm.tv_sec * MSEC_PER_SEC + (tm.tv_nsec / NSEC_PER_MSEC);
}
-static void clear_screen(void)
-{
- gr_color(0, 0, 0, 255);
- gr_clear();
-}
-
#define MAX_KLOG_WRITE_BUF_SZ 256
-static void dump_last_kmsg(void)
-{
- char *buf;
- char *ptr;
+static void dump_last_kmsg(void) {
+ char* buf;
+ char* ptr;
unsigned sz = 0;
int len;
@@ -239,11 +227,10 @@
while (len > 0) {
int cnt = min(len, MAX_KLOG_WRITE_BUF_SZ);
char yoink;
- char *nl;
+ char* nl;
- nl = (char *)memrchr(ptr, '\n', cnt - 1);
- if (nl)
- cnt = nl - ptr + 1;
+ nl = (char*)memrchr(ptr, '\n', cnt - 1);
+ if (nl) cnt = nl - ptr + 1;
yoink = ptr[cnt];
ptr[cnt] = '\0';
@@ -263,241 +250,59 @@
}
#ifdef CHARGER_ENABLE_SUSPEND
-static int request_suspend(bool enable)
-{
+static int request_suspend(bool enable) {
if (enable)
return autosuspend_enable();
else
return autosuspend_disable();
}
#else
-static int request_suspend(bool /*enable*/)
-{
+static int request_suspend(bool /*enable*/) {
return 0;
}
#endif
-static int draw_text(const char *str, int x, int y)
-{
- int str_len_px = gr_measure(gr_sys_font(), str);
-
- if (x < 0)
- x = (gr_fb_width() - str_len_px) / 2;
- if (y < 0)
- y = (gr_fb_height() - char_height) / 2;
- gr_text(gr_sys_font(), x, y, str, 0);
-
- return y + char_height;
-}
-
-static void android_green(void)
-{
- gr_color(0xa4, 0xc6, 0x39, 255);
-}
-
-// Negative x or y coordinates position the text away from the opposite edge that positive ones do.
-void determine_xy(const animation::text_field& field, const int length, int* x, int* y)
-{
- *x = field.pos_x;
- *y = field.pos_y;
-
- int str_len_px = length * field.font->char_width;
- if (field.pos_x == CENTER_VAL) {
- *x = (gr_fb_width() - str_len_px) / 2;
- } else if (field.pos_x >= 0) {
- *x = field.pos_x;
- } else { // position from max edge
- *x = gr_fb_width() + field.pos_x - str_len_px;
- }
-
- if (field.pos_y == CENTER_VAL) {
- *y = (gr_fb_height() - field.font->char_height) / 2;
- } else if (field.pos_y >= 0) {
- *y = field.pos_y;
- } else { // position from max edge
- *y = gr_fb_height() + field.pos_y - field.font->char_height;
- }
-}
-
-static void draw_clock(const animation& anim)
-{
- static constexpr char CLOCK_FORMAT[] = "%H:%M";
- static constexpr int CLOCK_LENGTH = 6;
-
- const animation::text_field& field = anim.text_clock;
-
- if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) return;
-
- time_t rawtime;
- time(&rawtime);
- struct tm* time_info = localtime(&rawtime);
-
- char clock_str[CLOCK_LENGTH];
- size_t length = strftime(clock_str, CLOCK_LENGTH, CLOCK_FORMAT, time_info);
- if (length != CLOCK_LENGTH - 1) {
- LOGE("Could not format time\n");
- return;
- }
-
- int x, y;
- determine_xy(field, length, &x, &y);
-
- LOGV("drawing clock %s %d %d\n", clock_str, x, y);
- gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
- gr_text(field.font, x, y, clock_str, false);
-}
-
-static void draw_percent(const animation& anim)
-{
- int cur_level = anim.cur_level;
- if (anim.cur_status == BATTERY_STATUS_FULL) {
- cur_level = 100;
- }
-
- if (cur_level <= 0) return;
-
- const animation::text_field& field = anim.text_percent;
- if (field.font == nullptr || field.font->char_width == 0 || field.font->char_height == 0) {
- return;
- }
-
- std::string str = base::StringPrintf("%d%%", cur_level);
-
- int x, y;
- determine_xy(field, str.size(), &x, &y);
-
- LOGV("drawing percent %s %d %d\n", str.c_str(), x, y);
- gr_color(field.color_r, field.color_g, field.color_b, field.color_a);
- gr_text(field.font, x, y, str.c_str(), false);
-}
-
-/* returns the last y-offset of where the surface ends */
-static int draw_surface_centered(GRSurface* surface)
-{
- int w;
- int h;
- int x;
- int y;
-
- w = gr_get_width(surface);
- h = gr_get_height(surface);
- x = (gr_fb_width() - w) / 2 ;
- y = (gr_fb_height() - h) / 2 ;
-
- LOGV("drawing surface %dx%d+%d+%d\n", w, h, x, y);
- gr_blit(surface, 0, 0, w, h, x, y);
- return y + h;
-}
-
-static void draw_unknown(struct charger *charger)
-{
- int y;
- if (charger->surf_unknown) {
- draw_surface_centered(charger->surf_unknown);
- } else {
- android_green();
- y = draw_text("Charging!", -1, -1);
- draw_text("?\?/100", -1, y + 25);
- }
-}
-
-static void draw_battery(const struct charger* charger)
-{
- const struct animation& anim = *charger->batt_anim;
- const struct animation::frame& frame = anim.frames[anim.cur_frame];
-
- if (anim.num_frames != 0) {
- draw_surface_centered(frame.surface);
- LOGV("drawing frame #%d min_cap=%d time=%d\n",
- anim.cur_frame, frame.min_level,
- frame.disp_time);
- }
- draw_clock(anim);
- draw_percent(anim);
-}
-
-static void redraw_screen(struct charger *charger)
-{
- struct animation *batt_anim = charger->batt_anim;
-
- clear_screen();
-
- /* try to display *something* */
- if (batt_anim->cur_level < 0 || batt_anim->num_frames == 0)
- draw_unknown(charger);
- else
- draw_battery(charger);
- gr_flip();
-}
-
-static void kick_animation(struct animation *anim)
-{
+static void kick_animation(animation* anim) {
anim->run = true;
}
-static void reset_animation(struct animation *anim)
-{
+static void reset_animation(animation* anim) {
anim->cur_cycle = 0;
anim->cur_frame = 0;
anim->run = false;
}
-static void init_status_display(struct animation* anim)
-{
- int res;
-
- if (!anim->text_clock.font_file.empty()) {
- if ((res =
- gr_init_font(anim->text_clock.font_file.c_str(), &anim->text_clock.font)) < 0) {
- LOGE("Could not load time font (%d)\n", res);
- }
- }
-
- if (!anim->text_percent.font_file.empty()) {
- if ((res =
- gr_init_font(anim->text_percent.font_file.c_str(), &anim->text_percent.font)) < 0) {
- LOGE("Could not load percent font (%d)\n", res);
- }
- }
-}
-
-static void update_screen_state(struct charger *charger, int64_t now)
-{
- struct animation *batt_anim = charger->batt_anim;
+static void update_screen_state(charger* charger, int64_t now) {
+ animation* batt_anim = charger->batt_anim;
int disp_time;
if (!batt_anim->run || now < charger->next_screen_transition) return;
- if (!minui_inited) {
+ if (healthd_draw == nullptr) {
if (healthd_config && healthd_config->screen_on) {
if (!healthd_config->screen_on(batt_prop)) {
LOGV("[%" PRId64 "] leave screen off\n", now);
batt_anim->run = false;
charger->next_screen_transition = -1;
- if (charger->charger_connected)
- request_suspend(true);
+ if (charger->charger_connected) request_suspend(true);
return;
}
}
- gr_init();
- gr_font_size(gr_sys_font(), &char_width, &char_height);
- init_status_display(batt_anim);
+ healthd_draw.reset(new HealthdDraw(batt_anim));
#ifndef CHARGER_DISABLE_INIT_BLANK
- gr_fb_blank(true);
+ healthd_draw->blank_screen(true);
#endif
- minui_inited = true;
}
/* animation is over, blank screen and leave */
if (batt_anim->num_cycles > 0 && batt_anim->cur_cycle == batt_anim->num_cycles) {
reset_animation(batt_anim);
charger->next_screen_transition = -1;
- gr_fb_blank(true);
+ healthd_draw->blank_screen(true);
LOGV("[%" PRId64 "] animation done\n", now);
- if (charger->charger_connected)
- request_suspend(true);
+ if (charger->charger_connected) request_suspend(true);
return;
}
@@ -505,7 +310,6 @@
/* animation starting, set up the animation */
if (batt_anim->cur_frame == 0) {
-
LOGV("[%" PRId64 "] animation starting\n", now);
if (batt_prop) {
batt_anim->cur_level = batt_prop->batteryLevel;
@@ -522,17 +326,16 @@
// repeat the first frame first_frame_repeats times
disp_time = batt_anim->frames[batt_anim->cur_frame].disp_time *
- batt_anim->first_frame_repeats;
+ batt_anim->first_frame_repeats;
}
}
}
/* unblank the screen on first cycle */
- if (batt_anim->cur_cycle == 0)
- gr_fb_blank(false);
+ if (batt_anim->cur_cycle == 0) healthd_draw->blank_screen(false);
/* draw the new frame (@ cur_frame) */
- redraw_screen(charger);
+ healthd_draw->redraw_screen(charger->batt_anim, charger->surf_unknown);
/* if we don't have anim frames, we only have one image, so just bump
* the cycle counter and exit
@@ -576,22 +379,18 @@
}
}
-static int set_key_callback(struct charger *charger, int code, int value)
-{
+static int set_key_callback(charger* charger, int code, int value) {
int64_t now = curr_time_ms();
int down = !!value;
- if (code > KEY_MAX)
- return -1;
+ if (code > KEY_MAX) return -1;
/* ignore events that don't modify our state */
- if (charger->keys[code].down == down)
- return 0;
+ if (charger->keys[code].down == down) return 0;
/* only record the down even timestamp, as the amount
* of time the key spent not being pressed is not useful */
- if (down)
- charger->keys[code].timestamp = now;
+ if (down) charger->keys[code].timestamp = now;
charger->keys[code].down = down;
charger->keys[code].pending = true;
if (down) {
@@ -600,34 +399,27 @@
int64_t duration = now - charger->keys[code].timestamp;
int64_t secs = duration / 1000;
int64_t msecs = duration - secs * 1000;
- LOGV("[%" PRId64 "] key[%d] up (was down for %" PRId64 ".%" PRId64 "sec)\n",
- now, code, secs, msecs);
+ LOGV("[%" PRId64 "] key[%d] up (was down for %" PRId64 ".%" PRId64 "sec)\n", now, code,
+ secs, msecs);
}
return 0;
}
-static void update_input_state(struct charger *charger,
- struct input_event *ev)
-{
- if (ev->type != EV_KEY)
- return;
+static void update_input_state(charger* charger, input_event* ev) {
+ if (ev->type != EV_KEY) return;
set_key_callback(charger, ev->code, ev->value);
}
-static void set_next_key_check(struct charger *charger,
- struct key_state *key,
- int64_t timeout)
-{
+static void set_next_key_check(charger* charger, key_state* key, int64_t timeout) {
int64_t then = key->timestamp + timeout;
if (charger->next_key_check == -1 || then < charger->next_key_check)
charger->next_key_check = then;
}
-static void process_key(struct charger *charger, int code, int64_t now)
-{
- struct key_state *key = &charger->keys[code];
+static void process_key(charger* charger, int code, int64_t now) {
+ key_state* key = &charger->keys[code];
if (code == KEY_POWER) {
if (key->down) {
@@ -644,8 +436,10 @@
LOGW("[%" PRId64 "] rebooting\n", now);
reboot(RB_AUTOBOOT);
} else {
- LOGV("[%" PRId64 "] ignore power-button press, battery level "
- "less than minimum\n", now);
+ LOGV("[%" PRId64
+ "] ignore power-button press, battery level "
+ "less than minimum\n",
+ now);
}
}
} else {
@@ -654,9 +448,9 @@
*/
set_next_key_check(charger, key, POWER_ON_KEY_TIME);
- /* Turn on the display and kick animation on power-key press
- * rather than on key release
- */
+ /* Turn on the display and kick animation on power-key press
+ * rather than on key release
+ */
kick_animation(charger->batt_anim);
request_suspend(false);
}
@@ -671,21 +465,17 @@
key->pending = false;
}
-static void handle_input_state(struct charger *charger, int64_t now)
-{
+static void handle_input_state(charger* charger, int64_t now) {
process_key(charger, KEY_POWER, now);
if (charger->next_key_check != -1 && now > charger->next_key_check)
charger->next_key_check = -1;
}
-static void handle_power_supply_state(struct charger *charger, int64_t now)
-{
- if (!charger->have_battery_state)
- return;
+static void handle_power_supply_state(charger* charger, int64_t now) {
+ if (!charger->have_battery_state) return;
if (!charger->charger_connected) {
-
/* Last cycle would have stopped at the extreme top of battery-icon
* Need to show the correct level corresponding to capacity.
*/
@@ -711,9 +501,8 @@
}
}
-void healthd_mode_charger_heartbeat()
-{
- struct charger *charger = &charger_state;
+void healthd_mode_charger_heartbeat() {
+ charger* charger = &charger_state;
int64_t now = curr_time_ms();
handle_input_state(charger, now);
@@ -725,14 +514,11 @@
update_screen_state(charger, now);
}
-void healthd_mode_charger_battery_update(
- struct android::BatteryProperties *props)
-{
- struct charger *charger = &charger_state;
+void healthd_mode_charger_battery_update(android::BatteryProperties* props) {
+ charger* charger = &charger_state;
charger->charger_connected =
- props->chargerAcOnline || props->chargerUsbOnline ||
- props->chargerWirelessOnline;
+ props->chargerAcOnline || props->chargerUsbOnline || props->chargerWirelessOnline;
if (!charger->have_battery_state) {
charger->have_battery_state = true;
@@ -743,19 +529,16 @@
batt_prop = props;
}
-int healthd_mode_charger_preparetowait(void)
-{
- struct charger *charger = &charger_state;
+int healthd_mode_charger_preparetowait(void) {
+ charger* charger = &charger_state;
int64_t now = curr_time_ms();
int64_t next_event = INT64_MAX;
int64_t timeout;
- LOGV("[%" PRId64 "] next screen: %" PRId64 " next key: %" PRId64 " next pwr: %" PRId64 "\n", now,
- charger->next_screen_transition, charger->next_key_check,
- charger->next_pwr_check);
+ LOGV("[%" PRId64 "] next screen: %" PRId64 " next key: %" PRId64 " next pwr: %" PRId64 "\n",
+ now, charger->next_screen_transition, charger->next_key_check, charger->next_pwr_check);
- if (charger->next_screen_transition != -1)
- next_event = charger->next_screen_transition;
+ if (charger->next_screen_transition != -1) next_event = charger->next_screen_transition;
if (charger->next_key_check != -1 && charger->next_key_check < next_event)
next_event = charger->next_key_check;
if (charger->next_pwr_check != -1 && charger->next_pwr_check < next_event)
@@ -766,32 +549,27 @@
else
timeout = -1;
- return (int)timeout;
+ return (int)timeout;
}
-static int input_callback(struct charger *charger, int fd, unsigned int epevents)
-{
- struct input_event ev;
+static int input_callback(charger* charger, int fd, unsigned int epevents) {
+ input_event ev;
int ret;
ret = ev_get_input(fd, epevents, &ev);
- if (ret)
- return -1;
+ if (ret) return -1;
update_input_state(charger, &ev);
return 0;
}
-static void charger_event_handler(uint32_t /*epevents*/)
-{
+static void charger_event_handler(uint32_t /*epevents*/) {
int ret;
ret = ev_wait(-1);
- if (!ret)
- ev_dispatch();
+ if (!ret) ev_dispatch();
}
-animation* init_animation()
-{
+animation* init_animation() {
bool parse_success;
std::string content;
@@ -814,32 +592,29 @@
}
LOGV("Animation Description:\n");
- LOGV(" animation: %d %d '%s' (%d)\n",
- battery_animation.num_cycles, battery_animation.first_frame_repeats,
- battery_animation.animation_file.c_str(), battery_animation.num_frames);
+ LOGV(" animation: %d %d '%s' (%d)\n", battery_animation.num_cycles,
+ battery_animation.first_frame_repeats, battery_animation.animation_file.c_str(),
+ battery_animation.num_frames);
LOGV(" fail_file: '%s'\n", battery_animation.fail_file.c_str());
- LOGV(" clock: %d %d %d %d %d %d '%s'\n",
- battery_animation.text_clock.pos_x, battery_animation.text_clock.pos_y,
- battery_animation.text_clock.color_r, battery_animation.text_clock.color_g,
- battery_animation.text_clock.color_b, battery_animation.text_clock.color_a,
- battery_animation.text_clock.font_file.c_str());
- LOGV(" percent: %d %d %d %d %d %d '%s'\n",
- battery_animation.text_percent.pos_x, battery_animation.text_percent.pos_y,
- battery_animation.text_percent.color_r, battery_animation.text_percent.color_g,
- battery_animation.text_percent.color_b, battery_animation.text_percent.color_a,
- battery_animation.text_percent.font_file.c_str());
+ LOGV(" clock: %d %d %d %d %d %d '%s'\n", battery_animation.text_clock.pos_x,
+ battery_animation.text_clock.pos_y, battery_animation.text_clock.color_r,
+ battery_animation.text_clock.color_g, battery_animation.text_clock.color_b,
+ battery_animation.text_clock.color_a, battery_animation.text_clock.font_file.c_str());
+ LOGV(" percent: %d %d %d %d %d %d '%s'\n", battery_animation.text_percent.pos_x,
+ battery_animation.text_percent.pos_y, battery_animation.text_percent.color_r,
+ battery_animation.text_percent.color_g, battery_animation.text_percent.color_b,
+ battery_animation.text_percent.color_a, battery_animation.text_percent.font_file.c_str());
for (int i = 0; i < battery_animation.num_frames; i++) {
LOGV(" frame %.2d: %d %d %d\n", i, battery_animation.frames[i].disp_time,
- battery_animation.frames[i].min_level, battery_animation.frames[i].max_level);
+ battery_animation.frames[i].min_level, battery_animation.frames[i].max_level);
}
return &battery_animation;
}
-void healthd_mode_charger_init(struct healthd_config* config)
-{
+void healthd_mode_charger_init(struct healthd_config* config) {
int ret;
- struct charger *charger = &charger_state;
+ charger* charger = &charger_state;
int i;
int epollfd;
@@ -847,14 +622,13 @@
LOGW("--------------- STARTING CHARGER MODE ---------------\n");
- ret = ev_init(std::bind(&input_callback, charger, std::placeholders::_1,
- std::placeholders::_2));
+ ret = ev_init(std::bind(&input_callback, charger, std::placeholders::_1, std::placeholders::_2));
if (!ret) {
epollfd = ev_get_epollfd();
healthd_register_event(epollfd, charger_event_handler, EVENT_WAKEUP_FD);
}
- struct animation* anim = init_animation();
+ animation* anim = init_animation();
charger->batt_anim = anim;
ret = res_create_display_surface(anim->fail_file.c_str(), &charger->surf_unknown);
@@ -871,15 +645,15 @@
int scale_count;
int scale_fps; // Not in use (charger/battery_scale doesn't have FPS text
// chunk). We are using hard-coded frame.disp_time instead.
- ret = res_create_multi_display_surface(anim->animation_file.c_str(),
- &scale_count, &scale_fps, &scale_frames);
+ ret = res_create_multi_display_surface(anim->animation_file.c_str(), &scale_count, &scale_fps,
+ &scale_frames);
if (ret < 0) {
LOGE("Cannot load battery_scale image\n");
anim->num_frames = 0;
anim->num_cycles = 1;
} else if (scale_count != anim->num_frames) {
- LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n",
- scale_count, anim->num_frames);
+ LOGE("battery_scale image has unexpected frame count (%d, expected %d)\n", scale_count,
+ anim->num_frames);
anim->num_frames = 0;
anim->num_cycles = 1;
} else {
@@ -887,8 +661,8 @@
anim->frames[i].surface = scale_frames[i];
}
}
- ev_sync_key_state(std::bind(&set_key_callback, charger, std::placeholders::_1,
- std::placeholders::_2));
+ ev_sync_key_state(
+ std::bind(&set_key_callback, charger, std::placeholders::_1, std::placeholders::_2));
charger->next_screen_transition = -1;
charger->next_key_check = -1;
diff --git a/include/ziparchive b/include/ziparchive
deleted file mode 120000
index d8fa424..0000000
--- a/include/ziparchive
+++ /dev/null
@@ -1 +0,0 @@
-../libziparchive/include/ziparchive
\ No newline at end of file
diff --git a/init/Android.bp b/init/Android.bp
index fce424e..8294598 100644
--- a/init/Android.bp
+++ b/init/Android.bp
@@ -94,6 +94,10 @@
name: "init",
defaults: ["init_defaults"],
+ required: [
+ "e2fsdroid",
+ "mke2fs",
+ ],
static_executable: true,
srcs: [
"bootchart.cpp",
@@ -153,6 +157,7 @@
"init_test.cpp",
"property_service_test.cpp",
"service_test.cpp",
+ "ueventd_test.cpp",
"util_test.cpp",
],
shared_libs: [
diff --git a/init/Android.mk b/init/Android.mk
index 8fc354a..9eb7649 100644
--- a/init/Android.mk
+++ b/init/Android.mk
@@ -28,6 +28,10 @@
init_options += -DLOG_UEVENTS=0
+ifeq ($(TARGET_USER_MODE_LINUX), true)
+ init_cflags += -DUSER_MODE_LINUX
+endif
+
init_cflags += \
$(init_options) \
-Wall -Wextra \
@@ -71,6 +75,7 @@
libcutils \
libbase \
libc \
+ libseccomp_policy \
libselinux \
liblog \
libcrypto_utils \
@@ -83,11 +88,14 @@
libavb \
libkeyutils \
+LOCAL_REQUIRED_MODULES := \
+ e2fsdroid \
+ mke2fs \
+
# Create symlinks.
LOCAL_POST_INSTALL_CMD := $(hide) mkdir -p $(TARGET_ROOT_OUT)/sbin; \
ln -sf ../init $(TARGET_ROOT_OUT)/sbin/ueventd; \
ln -sf ../init $(TARGET_ROOT_OUT)/sbin/watchdogd
LOCAL_SANITIZE := integer
-LOCAL_CLANG := true
include $(BUILD_EXECUTABLE)
diff --git a/init/README.md b/init/README.md
index 72b6c6b..f3b57bc 100644
--- a/init/README.md
+++ b/init/README.md
@@ -260,6 +260,26 @@
> Sets the child's /proc/self/oom\_score\_adj to the specified value,
which must range from -1000 to 1000.
+`memcg.swappiness <value>`
+> Sets the child's memory.swappiness to the specified value (only if memcg is mounted),
+ which must be equal or greater than 0.
+
+`memcg.soft_limit_in_bytes <value>`
+> Sets the child's memory.soft_limit_in_bytes to the specified value (only if memcg is mounted),
+ which must be equal or greater than 0.
+
+`memcg.limit_in_bytes <value>`
+> Sets the child's memory.limit_in_bytes to the specified value (only if memcg is mounted),
+ which must be equal or greater than 0.
+
+`shutdown <shutdown_behavior>`
+> Set shutdown behavior of the service process. When this is not specified,
+ the service is killed during shutdown process by using SIGTERM and SIGKILL.
+ The service with shutdown_behavior of "critical" is not killed during shutdown
+ until shutdown times out. When shutdown times out, even services tagged with
+ "shutdown critical" will be killed. When the service tagged with "shutdown critical"
+ is not running when shut down starts, it will be started.
+
Triggers
--------
diff --git a/init/action.cpp b/init/action.cpp
index 6900391..4ec5f17 100644
--- a/init/action.cpp
+++ b/init/action.cpp
@@ -16,6 +16,7 @@
#include "action.h"
+#include <android-base/chrono_utils.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/strings.h>
@@ -90,19 +91,18 @@
}
void Action::ExecuteCommand(const Command& command) const {
- Timer t;
+ android::base::Timer t;
int result = command.InvokeFunc();
- double duration_ms = t.duration_s() * 1000;
+ auto duration = t.duration();
// Any action longer than 50ms will be warned to user as slow operation
- if (duration_ms > 50.0 ||
- android::base::GetMinimumLogSeverity() <= android::base::DEBUG) {
+ if (duration > 50ms || android::base::GetMinimumLogSeverity() <= android::base::DEBUG) {
std::string trigger_name = BuildTriggersString();
std::string cmd_str = command.BuildCommandString();
LOG(INFO) << "Command '" << cmd_str << "' action=" << trigger_name << " (" << filename_
- << ":" << command.line() << ") returned " << result << " took " << duration_ms
- << "ms.";
+ << ":" << command.line() << ") returned " << result << " took "
+ << duration.count() << "ms.";
}
}
@@ -326,6 +326,13 @@
}
}
+void ActionManager::ClearQueue() {
+ // We are shutting down so don't claim the oneshot builtin actions back
+ current_executing_actions_ = {};
+ event_queue_ = {};
+ current_command_ = 0;
+}
+
bool ActionParser::ParseSection(std::vector<std::string>&& args, const std::string& filename,
int line, std::string* err) {
std::vector<std::string> triggers(args.begin() + 1, args.end());
diff --git a/init/action.h b/init/action.h
index 5cb50a7..ad15f3f 100644
--- a/init/action.h
+++ b/init/action.h
@@ -104,6 +104,7 @@
void ExecuteOneCommand();
bool HasMoreCommands() const;
void DumpState() const;
+ void ClearQueue();
private:
ActionManager(ActionManager const&) = delete;
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 921ea94..56d0ae2 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -39,6 +39,7 @@
#include <sys/wait.h>
#include <unistd.h>
+#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/parseint.h>
@@ -119,7 +120,7 @@
LOG(ERROR) << "failed to set bootloader message: " << err;
return -1;
}
- DoReboot(ANDROID_RB_RESTART2, "reboot", "recovery", false);
+ property_set("sys.powerctl", "reboot,recovery");
return 0;
}
@@ -555,9 +556,9 @@
}
std::string prop_name = "ro.boottime.init.mount_all."s + prop_post_fix;
- Timer t;
+ android::base::Timer t;
int ret = mount_fstab(fstabfile, mount_mode);
- property_set(prop_name, std::to_string(t.duration_ms()));
+ property_set(prop_name, std::to_string(t.duration().count()));
if (import_rc) {
/* Paths of .rc files are specified at the 2nd argument and beyond */
diff --git a/init/devices.cpp b/init/devices.cpp
index 215d2ea..13cf991 100644
--- a/init/devices.cpp
+++ b/init/devices.cpp
@@ -219,7 +219,7 @@
return {0600, 0, 0};
}
-void DeviceHandler::MakeDevice(const std::string& path, int block, int major, int minor,
+void DeviceHandler::MakeDevice(const std::string& path, bool block, int major, int minor,
const std::vector<std::string>& links) const {
auto[mode, uid, gid] = GetDevicePermissions(path, links);
mode |= (block ? S_IFBLK : S_IFCHR);
@@ -279,45 +279,6 @@
}
}
-std::vector<std::string> DeviceHandler::GetCharacterDeviceSymlinks(const Uevent& uevent) const {
- std::string parent_device;
- if (!FindPlatformDevice(uevent.path, &parent_device)) return {};
-
- // skip path to the parent driver
- std::string path = uevent.path.substr(parent_device.length());
-
- if (!StartsWith(path, "/usb")) return {};
-
- // skip root hub name and device. use device interface
- // skip 3 slashes, including the first / by starting the search at the 1st character, not 0th.
- // then extract what comes between the 3rd and 4th slash
- // e.g. "/usb/usb_device/name/tty2-1:1.0" -> "name"
-
- std::string::size_type start = 0;
- start = path.find('/', start + 1);
- if (start == std::string::npos) return {};
-
- start = path.find('/', start + 1);
- if (start == std::string::npos) return {};
-
- auto end = path.find('/', start + 1);
- if (end == std::string::npos) return {};
-
- start++; // Skip the first '/'
-
- auto length = end - start;
- if (length == 0) return {};
-
- auto name_string = path.substr(start, length);
-
- std::vector<std::string> links;
- links.emplace_back("/dev/usb/" + uevent.subsystem + name_string);
-
- mkdir("/dev/usb", 0755);
-
- return links;
-}
-
// replaces any unacceptable characters with '_', the
// length of the resulting string is equal to the input string
void SanitizePartitionName(std::string* string) {
@@ -385,7 +346,7 @@
return links;
}
-void DeviceHandler::HandleDevice(const std::string& action, const std::string& devpath, int block,
+void DeviceHandler::HandleDevice(const std::string& action, const std::string& devpath, bool block,
int major, int minor, const std::vector<std::string>& links) const {
if (action == "add") {
MakeDevice(devpath, block, major, minor, links);
@@ -411,31 +372,26 @@
}
}
-void DeviceHandler::HandleBlockDeviceEvent(const Uevent& uevent) const {
- // if it's not a /dev device, nothing to do
- if (uevent.major < 0 || uevent.minor < 0) return;
-
- const char* base = "/dev/block/";
- make_dir(base, 0755, sehandle_);
-
- std::string name = Basename(uevent.path);
- std::string devpath = base + name;
-
- std::vector<std::string> links;
- if (StartsWith(uevent.path, "/devices")) {
- links = GetBlockDeviceSymlinks(uevent);
+void DeviceHandler::HandleDeviceEvent(const Uevent& uevent) {
+ if (uevent.action == "add" || uevent.action == "change" || uevent.action == "online") {
+ FixupSysPermissions(uevent.path, uevent.subsystem);
}
- HandleDevice(uevent.action, devpath, 1, uevent.major, uevent.minor, links);
-}
-
-void DeviceHandler::HandleGenericDeviceEvent(const Uevent& uevent) const {
// if it's not a /dev device, nothing to do
if (uevent.major < 0 || uevent.minor < 0) return;
std::string devpath;
+ std::vector<std::string> links;
+ bool block = false;
- if (StartsWith(uevent.subsystem, "usb")) {
+ if (uevent.subsystem == "block") {
+ block = true;
+ devpath = "/dev/block/" + Basename(uevent.path);
+
+ if (StartsWith(uevent.path, "/devices")) {
+ links = GetBlockDeviceSymlinks(uevent);
+ }
+ } else if (StartsWith(uevent.subsystem, "usb")) {
if (uevent.subsystem == "usb") {
if (!uevent.device_name.empty()) {
devpath = "/dev/" + uevent.device_name;
@@ -461,21 +417,7 @@
mkdir_recursive(Dirname(devpath), 0755, sehandle_);
- auto links = GetCharacterDeviceSymlinks(uevent);
-
- HandleDevice(uevent.action, devpath, 0, uevent.major, uevent.minor, links);
-}
-
-void DeviceHandler::HandleDeviceEvent(const Uevent& uevent) {
- if (uevent.action == "add" || uevent.action == "change" || uevent.action == "online") {
- FixupSysPermissions(uevent.path, uevent.subsystem);
- }
-
- if (uevent.subsystem == "block") {
- HandleBlockDeviceEvent(uevent);
- } else {
- HandleGenericDeviceEvent(uevent);
- }
+ HandleDevice(uevent.action, devpath, block, uevent.major, uevent.minor, links);
}
DeviceHandler::DeviceHandler(std::vector<Permissions> dev_permissions,
diff --git a/init/devices.h b/init/devices.h
index 5105ad7..c64f5fb 100644
--- a/init/devices.h
+++ b/init/devices.h
@@ -115,16 +115,12 @@
bool FindPlatformDevice(std::string path, std::string* platform_device_path) const;
std::tuple<mode_t, uid_t, gid_t> GetDevicePermissions(
const std::string& path, const std::vector<std::string>& links) const;
- void MakeDevice(const std::string& path, int block, int major, int minor,
+ void MakeDevice(const std::string& path, bool block, int major, int minor,
const std::vector<std::string>& links) const;
- std::vector<std::string> GetCharacterDeviceSymlinks(const Uevent& uevent) const;
- void HandleDevice(const std::string& action, const std::string& devpath, int block, int major,
+ void HandleDevice(const std::string& action, const std::string& devpath, bool block, int major,
int minor, const std::vector<std::string>& links) const;
void FixupSysPermissions(const std::string& upath, const std::string& subsystem) const;
- void HandleBlockDeviceEvent(const Uevent& uevent) const;
- void HandleGenericDeviceEvent(const Uevent& uevent) const;
-
std::vector<Permissions> dev_permissions_;
std::vector<SysfsPermissions> sysfs_permissions_;
std::vector<Subsystem> subsystems_;
diff --git a/init/devices_test.cpp b/init/devices_test.cpp
index 57d8e0f..ac4ab9b 100644
--- a/init/devices_test.cpp
+++ b/init/devices_test.cpp
@@ -30,7 +30,7 @@
class DeviceHandlerTester {
public:
void TestGetSymlinks(const std::string& platform_device, const Uevent& uevent,
- const std::vector<std::string> expected_links, bool block) {
+ const std::vector<std::string> expected_links) {
TemporaryDir fake_sys_root;
device_handler_.sysfs_mount_point_ = fake_sys_root.path;
@@ -44,11 +44,7 @@
mkdir_recursive(android::base::Dirname(fake_sys_root.path + uevent.path), 0777, nullptr);
std::vector<std::string> result;
- if (block) {
- result = device_handler_.GetBlockDeviceSymlinks(uevent);
- } else {
- result = device_handler_.GetCharacterDeviceSymlinks(uevent);
- }
+ result = device_handler_.GetBlockDeviceSymlinks(uevent);
auto expected_size = expected_links.size();
ASSERT_EQ(expected_size, result.size());
@@ -64,95 +60,6 @@
DeviceHandler device_handler_;
};
-TEST(device_handler, get_character_device_symlinks_success) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/usb/usb_device/name/tty2-1:1.0",
- .subsystem = "tty",
- };
- std::vector<std::string> expected_result{"/dev/usb/ttyname"};
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_pdev_match) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/device/name/tty2-1:1.0", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_nothing_after_platform_device) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_usb_found) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/bad/bad/", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_roothub) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/usb/", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_usb_device) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/usb/usb_device/", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_final_slash) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/usb/usb_device/name", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
-TEST(device_handler, get_character_device_symlinks_no_final_name) {
- const char* platform_device = "/devices/platform/some_device_name";
- Uevent uevent = {
- .path = "/devices/platform/some_device_name/usb/usb_device//", .subsystem = "tty",
- };
- std::vector<std::string> expected_result;
-
- DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, false);
-}
-
TEST(device_handler, get_block_device_symlinks_success_platform) {
// These are actual paths from bullhead
const char* platform_device = "/devices/soc.0/f9824900.sdhci";
@@ -164,7 +71,7 @@
std::vector<std::string> expected_result{"/dev/block/platform/soc.0/f9824900.sdhci/mmcblk0"};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_success_platform_with_partition) {
@@ -182,7 +89,7 @@
};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_success_platform_with_partition_only_num) {
@@ -198,7 +105,7 @@
};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_success_platform_with_partition_only_name) {
@@ -214,7 +121,7 @@
};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_success_pci) {
@@ -225,7 +132,7 @@
std::vector<std::string> expected_result{"/dev/block/pci/pci0000:00/0000:00:1f.2/mmcblk0"};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_pci_bad_format) {
@@ -236,7 +143,7 @@
std::vector<std::string> expected_result{};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_success_vbd) {
@@ -247,7 +154,7 @@
std::vector<std::string> expected_result{"/dev/block/vbd/1234/mmcblk0"};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_vbd_bad_format) {
@@ -258,7 +165,7 @@
std::vector<std::string> expected_result{};
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, get_block_device_symlinks_no_matches) {
@@ -271,7 +178,7 @@
std::vector<std::string> expected_result;
DeviceHandlerTester device_handler_tester_;
- device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result, true);
+ device_handler_tester_.TestGetSymlinks(platform_device, uevent, expected_result);
}
TEST(device_handler, sanitize_null) {
diff --git a/init/firmware_handler.cpp b/init/firmware_handler.cpp
index 8cd5cc5..b686885 100644
--- a/init/firmware_handler.cpp
+++ b/init/firmware_handler.cpp
@@ -24,12 +24,12 @@
#include <string>
#include <thread>
+#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/unique_fd.h>
-#include "util.h"
-
+using android::base::Timer;
using android::base::unique_fd;
using android::base::WriteFully;
@@ -110,31 +110,16 @@
if (uevent.subsystem != "firmware" || uevent.action != "add") return;
// Loading the firmware in a child means we can do that in parallel...
- // We double fork instead of waiting for these processes.
- pid_t pid = fork();
+ auto pid = fork();
if (pid == -1) {
PLOG(ERROR) << "could not fork to process firmware event for " << uevent.firmware;
- return;
}
-
if (pid == 0) {
- pid = fork();
- if (pid == -1) {
- PLOG(ERROR) << "could not fork a sceond time to process firmware event for "
- << uevent.firmware;
- _exit(EXIT_FAILURE);
- }
- if (pid == 0) {
- Timer t;
- ProcessFirmwareEvent(uevent);
- LOG(INFO) << "loading " << uevent.path << " took " << t;
- _exit(EXIT_SUCCESS);
- }
-
+ Timer t;
+ ProcessFirmwareEvent(uevent);
+ LOG(INFO) << "loading " << uevent.path << " took " << t;
_exit(EXIT_SUCCESS);
}
-
- waitpid(pid, nullptr, 0);
}
} // namespace init
diff --git a/init/init.cpp b/init/init.cpp
index ae878de..24f863c 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -23,6 +23,7 @@
#include <inttypes.h>
#include <libgen.h>
#include <paths.h>
+#include <seccomp_policy.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
@@ -73,6 +74,7 @@
using android::base::boot_clock;
using android::base::GetProperty;
+using android::base::Timer;
namespace android {
namespace init {
@@ -94,6 +96,7 @@
static std::unique_ptr<Timer> waiting_for_prop(nullptr);
static std::string wait_prop_name;
static std::string wait_prop_value;
+static bool shutting_down;
void DumpState() {
ServiceManager::GetInstance().DumpState();
@@ -158,21 +161,31 @@
return true;
}
+void ResetWaitForProp() {
+ wait_prop_name.clear();
+ wait_prop_value.clear();
+ waiting_for_prop.reset();
+}
+
void property_changed(const std::string& name, const std::string& value) {
// If the property is sys.powerctl, we bypass the event queue and immediately handle it.
// This is to ensure that init will always and immediately shutdown/reboot, regardless of
// if there are other pending events to process or if init is waiting on an exec service or
// waiting on a property.
- if (name == "sys.powerctl") HandlePowerctlMessage(value);
+ // In non-thermal-shutdown case, 'shutdown' trigger will be fired to let device specific
+ // commands to be executed.
+ if (name == "sys.powerctl") {
+ if (HandlePowerctlMessage(value)) {
+ shutting_down = true;
+ }
+ }
if (property_triggers_enabled) ActionManager::GetInstance().QueuePropertyChange(name, value);
if (waiting_for_prop) {
if (wait_prop_name == name && wait_prop_value == value) {
- wait_prop_name.clear();
- wait_prop_value.clear();
LOG(INFO) << "Wait for property took " << *waiting_for_prop;
- waiting_for_prop.reset();
+ ResetWaitForProp();
}
}
}
@@ -221,7 +234,7 @@
panic();
}
- property_set("ro.boottime.init.cold_boot_wait", std::to_string(t.duration_ms()));
+ property_set("ro.boottime.init.cold_boot_wait", std::to_string(t.duration().count()));
return 0;
}
@@ -379,7 +392,10 @@
int ret = -1;
/* values are arch-dependent */
-#if defined(__aarch64__)
+#if defined(USER_MODE_LINUX)
+ /* uml does not support mmap_rnd_bits */
+ ret = 0;
+#elif defined(__aarch64__)
/* arm64 supports 18 - 33 bits depending on pagesize and VA_SIZE */
if (set_mmap_rnd_bits_min(33, 24, false)
&& set_mmap_rnd_bits_min(16, 16, true)) {
@@ -539,6 +555,15 @@
return 0;
}
+static void global_seccomp() {
+ import_kernel_cmdline(false, [](const std::string& key, const std::string& value, bool in_qemu) {
+ if (key == "androidboot.seccomp" && value == "global" && !set_global_seccomp_filter()) {
+ LOG(ERROR) << "Failed to globally enable seccomp!";
+ panic();
+ }
+ });
+}
+
static void selinux_init_all_handles(void)
{
sehandle = selinux_android_file_context_handle();
@@ -877,7 +902,7 @@
}
// init's first stage can't set properties, so pass the time to the second stage.
- setenv("INIT_SELINUX_TOOK", std::to_string(t.duration_ms()).c_str(), 1);
+ setenv("INIT_SELINUX_TOOK", std::to_string(t.duration().count()).c_str(), 1);
} else {
selinux_init_all_handles();
}
@@ -1010,6 +1035,9 @@
SetInitAvbVersionInRecovery();
+ // Enable seccomp if global boot option was passed (otherwise it is enabled in zygote).
+ global_seccomp();
+
// Set up SELinux, loading the SELinux policy.
selinux_initialize(true);
@@ -1156,7 +1184,7 @@
am.ExecuteOneCommand();
}
if (!(waiting_for_prop || sm.IsWaitingForExec())) {
- restart_processes();
+ if (!shutting_down) restart_processes();
// If there's a process that needs restarting, wake up in time for that.
if (process_needs_restart_at != 0) {
diff --git a/init/init.h b/init/init.h
index 479b771..aaab523 100644
--- a/init/init.h
+++ b/init/init.h
@@ -44,6 +44,8 @@
void DumpState();
+void ResetWaitForProp();
+
} // namespace init
} // namespace android
diff --git a/init/init_first_stage.cpp b/init/init_first_stage.cpp
index e10c3b2..0f7e38f 100644
--- a/init/init_first_stage.cpp
+++ b/init/init_first_stage.cpp
@@ -25,6 +25,7 @@
#include <string>
#include <vector>
+#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/strings.h>
@@ -36,7 +37,7 @@
#include "uevent_listener.h"
#include "util.h"
-using namespace std::chrono_literals;
+using android::base::Timer;
namespace android {
namespace init {
@@ -171,10 +172,13 @@
};
uevent_listener_.RegenerateUeventsForPath("/sys" + dm_path, dm_callback);
if (!found) {
+ LOG(INFO) << "device-mapper device not found in /sys, waiting for its uevent";
+ Timer t;
uevent_listener_.Poll(dm_callback, 10s);
+ LOG(INFO) << "Wait for device-mapper returned after " << t;
}
if (!found) {
- LOG(ERROR) << "device-mapper device not found";
+ LOG(ERROR) << "device-mapper device not found after polling timeout";
return false;
}
}
@@ -185,11 +189,16 @@
// UeventCallback() will remove found partitions from required_devices_partition_names_.
// So if it isn't empty here, it means some partitions are not found.
if (!required_devices_partition_names_.empty()) {
+ LOG(INFO) << __PRETTY_FUNCTION__
+ << ": partition(s) not found in /sys, waiting for their uevent(s): "
+ << android::base::Join(required_devices_partition_names_, ", ");
+ Timer t;
uevent_listener_.Poll(uevent_callback, 10s);
+ LOG(INFO) << "Wait for partitions returned after " << t;
}
if (!required_devices_partition_names_.empty()) {
- LOG(ERROR) << __PRETTY_FUNCTION__ << ": partition(s) not found: "
+ LOG(ERROR) << __PRETTY_FUNCTION__ << ": partition(s) not found after polling timeout: "
<< android::base::Join(required_devices_partition_names_, ", ");
return false;
}
@@ -241,10 +250,13 @@
uevent_listener_.RegenerateUeventsForPath(syspath, verity_callback);
if (!found) {
+ LOG(INFO) << "dm-verity device not found in /sys, waiting for its uevent";
+ Timer t;
uevent_listener_.Poll(verity_callback, 10s);
+ LOG(INFO) << "wait for dm-verity device returned after " << t;
}
if (!found) {
- LOG(ERROR) << "dm-verity device not found";
+ LOG(ERROR) << "dm-verity device not found after polling timeout";
return false;
}
diff --git a/init/init_parser.cpp b/init/init_parser.cpp
index e76d589..9f7089b 100644
--- a/init/init_parser.cpp
+++ b/init/init_parser.cpp
@@ -18,6 +18,7 @@
#include <dirent.h>
+#include <android-base/chrono_utils.h>
#include <android-base/logging.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
@@ -111,7 +112,7 @@
bool Parser::ParseConfigFile(const std::string& path) {
LOG(INFO) << "Parsing file " << path << "...";
- Timer t;
+ android::base::Timer t;
std::string data;
std::string err;
if (!ReadFile(path, &data, &err)) {
diff --git a/init/init_parser_test.cpp b/init/init_parser_test.cpp
index 38b8275..95f269a 100644
--- a/init/init_parser_test.cpp
+++ b/init/init_parser_test.cpp
@@ -16,13 +16,14 @@
#include "init_parser.h"
-#include "init.h"
-#include "service.h"
+#include <string>
+#include <vector>
#include <gtest/gtest.h>
-#include <string>
-#include <vector>
+#include "init.h"
+#include "service.h"
+#include "util.h"
namespace android {
namespace init {
diff --git a/init/property_service.cpp b/init/property_service.cpp
index b7907e5..fd14bd6 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -42,6 +42,7 @@
#include <queue>
#include <vector>
+#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
@@ -55,6 +56,8 @@
#include "init.h"
#include "util.h"
+using android::base::Timer;
+
#define PERSISTENT_PROPERTY_DIR "/data/property"
#define RECOVERY_MOUNT_POINT "/recovery"
@@ -350,7 +353,7 @@
while (*timeout_ms > 0) {
Timer timer;
int nr = poll(ufds, 1, *timeout_ms);
- uint64_t millis = timer.duration_ms();
+ uint64_t millis = timer.duration().count();
*timeout_ms = (millis > *timeout_ms) ? 0 : *timeout_ms - millis;
if (nr > 0) {
diff --git a/init/reboot.cpp b/init/reboot.cpp
index 34c98a7..17e3576 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -35,6 +35,7 @@
#include <thread>
#include <vector>
+#include <android-base/chrono_utils.h>
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/macros.h>
@@ -49,10 +50,12 @@
#include <private/android_filesystem_config.h>
#include "capabilities.h"
+#include "init.h"
#include "property_service.h"
#include "service.h"
using android::base::StringPrintf;
+using android::base::Timer;
namespace android {
namespace init {
@@ -160,7 +163,8 @@
}
static void LogShutdownTime(UmountStat stat, Timer* t) {
- LOG(WARNING) << "powerctl_shutdown_time_ms:" << std::to_string(t->duration_ms()) << ":" << stat;
+ LOG(WARNING) << "powerctl_shutdown_time_ms:" << std::to_string(t->duration().count()) << ":"
+ << stat;
}
// Determines whether the system is capable of rebooting. This is conservative,
@@ -230,7 +234,13 @@
LOG(INFO) << "mount entry " << mentry->mnt_fsname << ":" << mentry->mnt_dir << " opts "
<< mentry->mnt_opts << " type " << mentry->mnt_type;
} else if (MountEntry::IsBlockDevice(*mentry) && hasmntopt(mentry, "rw")) {
- blockDevPartitions->emplace(blockDevPartitions->begin(), *mentry);
+ std::string mount_dir(mentry->mnt_dir);
+ // These are R/O partitions changed to R/W after adb remount.
+ // Do not umount them as shutdown critical services may rely on them.
+ if (mount_dir != "/" && mount_dir != "/system" && mount_dir != "/vendor" &&
+ mount_dir != "/oem") {
+ blockDevPartitions->emplace(blockDevPartitions->begin(), *mentry);
+ }
} else if (MountEntry::IsEmulatedDevice(*mentry)) {
emulatedPartitions->emplace(emulatedPartitions->begin(), *mentry);
}
@@ -253,7 +263,7 @@
}
}
-static UmountStat UmountPartitions(int timeoutMs) {
+static UmountStat UmountPartitions(std::chrono::milliseconds timeout) {
Timer t;
UmountStat stat = UMOUNT_STAT_TIMEOUT;
int retry = 0;
@@ -271,7 +281,7 @@
stat = UMOUNT_STAT_SUCCESS;
break;
}
- if ((timeoutMs < t.duration_ms()) && retry > 0) { // try umount at least once
+ if ((timeout < t.duration()) && retry > 0) { // try umount at least once
stat = UMOUNT_STAT_TIMEOUT;
break;
}
@@ -300,7 +310,7 @@
*
* return true when umount was successful. false when timed out.
*/
-static UmountStat TryUmountAndFsck(bool runFsck, int timeoutMs) {
+static UmountStat TryUmountAndFsck(bool runFsck, std::chrono::milliseconds timeout) {
Timer t;
std::vector<MountEntry> block_devices;
std::vector<MountEntry> emulated_devices;
@@ -311,14 +321,14 @@
return UMOUNT_STAT_ERROR;
}
- UmountStat stat = UmountPartitions(timeoutMs - t.duration_ms());
+ UmountStat stat = UmountPartitions(timeout - t.duration());
if (stat != UMOUNT_STAT_SUCCESS) {
LOG(INFO) << "umount timeout, last resort, kill all and try";
- if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(false);
+ if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(true);
KillAllProcesses();
// even if it succeeds, still it is timeout and do not run fsck with all processes killed
- UmountPartitions(0);
- if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(true);
+ UmountStat st = UmountPartitions(0ms);
+ if ((st != UMOUNT_STAT_SUCCESS) && DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(false);
}
if (stat == UMOUNT_STAT_SUCCESS && runFsck) {
@@ -331,13 +341,6 @@
return stat;
}
-static void __attribute__((noreturn)) DoThermalOff() {
- LOG(WARNING) << "Thermal system shutdown";
- sync();
- RebootSystem(ANDROID_RB_THERMOFF, "");
- abort();
-}
-
void DoReboot(unsigned int cmd, const std::string& reason, const std::string& rebootTarget,
bool runFsck) {
Timer t;
@@ -346,31 +349,38 @@
android::base::WriteStringToFile(StringPrintf("%s\n", reason.c_str()), LAST_REBOOT_REASON_FILE,
S_IRUSR | S_IWUSR, AID_SYSTEM, AID_SYSTEM);
- if (cmd == ANDROID_RB_THERMOFF) { // do not wait if it is thermal
- DoThermalOff();
- abort();
+ bool is_thermal_shutdown = false;
+ if (cmd == ANDROID_RB_THERMOFF) {
+ is_thermal_shutdown = true;
+ runFsck = false;
}
- constexpr unsigned int shutdownTimeoutDefault = 6;
- unsigned int shutdownTimeout = shutdownTimeoutDefault;
- if (SHUTDOWN_ZERO_TIMEOUT) { // eng build
- shutdownTimeout = 0;
- } else {
- shutdownTimeout =
- android::base::GetUintProperty("ro.build.shutdown_timeout", shutdownTimeoutDefault);
+ auto shutdown_timeout = 0ms;
+ if (!SHUTDOWN_ZERO_TIMEOUT) {
+ if (is_thermal_shutdown) {
+ constexpr unsigned int thermal_shutdown_timeout = 1;
+ shutdown_timeout = std::chrono::seconds(thermal_shutdown_timeout);
+ } else {
+ constexpr unsigned int shutdown_timeout_default = 6;
+ auto shutdown_timeout_property = android::base::GetUintProperty(
+ "ro.build.shutdown_timeout", shutdown_timeout_default);
+ shutdown_timeout = std::chrono::seconds(shutdown_timeout_property);
+ }
}
- LOG(INFO) << "Shutdown timeout: " << shutdownTimeout;
+ LOG(INFO) << "Shutdown timeout: " << shutdown_timeout.count() << " ms";
// keep debugging tools until non critical ones are all gone.
const std::set<std::string> kill_after_apps{"tombstoned", "logd", "adbd"};
// watchdogd is a vendor specific component but should be alive to complete shutdown safely.
- const std::set<std::string> to_starts{"watchdogd", "vold", "ueventd"};
+ const std::set<std::string> to_starts{"watchdogd"};
ServiceManager::GetInstance().ForEachService([&kill_after_apps, &to_starts](Service* s) {
if (kill_after_apps.count(s->name())) {
s->SetShutdownCritical();
} else if (to_starts.count(s->name())) {
s->Start();
s->SetShutdownCritical();
+ } else if (s->IsShutdownCritical()) {
+ s->Start(); // start shutdown critical service if not started
}
});
@@ -384,7 +394,7 @@
// optional shutdown step
// 1. terminate all services except shutdown critical ones. wait for delay to finish
- if (shutdownTimeout > 0) {
+ if (shutdown_timeout > 0ms) {
LOG(INFO) << "terminating init services";
// Ask all services to terminate except shutdown critical ones.
@@ -393,9 +403,9 @@
});
int service_count = 0;
- // Up to half as long as shutdownTimeout or 3 seconds, whichever is lower.
- unsigned int terminationWaitTimeout = std::min<unsigned int>((shutdownTimeout + 1) / 2, 3);
- while (t.duration_s() < terminationWaitTimeout) {
+ // Only wait up to half of timeout here
+ auto termination_wait_timeout = shutdown_timeout / 2;
+ while (t.duration() < termination_wait_timeout) {
ServiceManager::GetInstance().ReapAnyOutstandingChildren();
service_count = 0;
@@ -443,10 +453,10 @@
});
// 4. sync, try umount, and optionally run fsck for user shutdown
sync();
- UmountStat stat = TryUmountAndFsck(runFsck, shutdownTimeout * 1000 - t.duration_ms());
+ UmountStat stat = TryUmountAndFsck(runFsck, shutdown_timeout - t.duration());
// Follow what linux shutdown is doing: one more sync with little bit delay
sync();
- std::this_thread::sleep_for(100ms);
+ if (!is_thermal_shutdown) std::this_thread::sleep_for(100ms);
LogShutdownTime(stat, &t);
// Reboot regardless of umount status. If umount fails, fsck after reboot will fix it.
RebootSystem(cmd, rebootTarget);
@@ -489,6 +499,7 @@
}
}
} else if (command == "thermal-shutdown") { // no additional parameter allowed
+ // run_fsck is false to avoid delay
cmd = ANDROID_RB_THERMOFF;
} else {
command_invalid = true;
@@ -498,7 +509,26 @@
return false;
}
- DoReboot(cmd, command, reboot_target, run_fsck);
+ LOG(INFO) << "Clear action queue and start shutdown trigger";
+ ActionManager::GetInstance().ClearQueue();
+ // Queue shutdown trigger first
+ ActionManager::GetInstance().QueueEventTrigger("shutdown");
+ // Queue built-in shutdown_done
+ auto shutdown_handler = [cmd, command, reboot_target,
+ run_fsck](const std::vector<std::string>&) {
+ DoReboot(cmd, command, reboot_target, run_fsck);
+ return 0;
+ };
+ ActionManager::GetInstance().QueueBuiltinAction(shutdown_handler, "shutdown_done");
+
+ // Skip wait for prop if it is in progress
+ ResetWaitForProp();
+
+ // Skip wait for exec if it is in progress
+ if (ServiceManager::GetInstance().IsWaitingForExec()) {
+ ServiceManager::GetInstance().ClearExecWait();
+ }
+
return true;
}
diff --git a/init/service.cpp b/init/service.cpp
index f2e5d22..fc64db6 100644
--- a/init/service.cpp
+++ b/init/service.cpp
@@ -34,6 +34,7 @@
#include <android-base/logging.h>
#include <android-base/parseint.h>
#include <android-base/properties.h>
+#include <android-base/scopeguard.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <processgroup/processgroup.h>
@@ -47,6 +48,7 @@
using android::base::boot_clock;
using android::base::GetProperty;
using android::base::Join;
+using android::base::make_scope_guard;
using android::base::ParseInt;
using android::base::StartsWith;
using android::base::StringPrintf;
@@ -154,24 +156,7 @@
}
Service::Service(const std::string& name, const std::vector<std::string>& args)
- : name_(name),
- classnames_({"default"}),
- flags_(0),
- pid_(0),
- crash_count_(0),
- uid_(0),
- gid_(0),
- namespace_flags_(0),
- seclabel_(""),
- onrestart_(false, "<Service '" + name + "' onrestart>", 0),
- keychord_id_(0),
- ioprio_class_(IoSchedClass_NONE),
- ioprio_pri_(0),
- priority_(0),
- oom_score_adjust_(-1000),
- args_(args) {
- onrestart_.InitSingleTrigger("onrestart");
-}
+ : Service(name, 0, 0, 0, {}, 0, 0, "", args) {}
Service::Service(const std::string& name, unsigned flags, uid_t uid, gid_t gid,
const std::vector<gid_t>& supp_gids, const CapSet& capabilities,
@@ -194,6 +179,9 @@
ioprio_pri_(0),
priority_(0),
oom_score_adjust_(-1000),
+ swappiness_(-1),
+ soft_limit_in_bytes_(-1),
+ limit_in_bytes_(-1),
args_(args) {
onrestart_.InitSingleTrigger("onrestart");
}
@@ -489,6 +477,30 @@
return true;
}
+bool Service::ParseMemcgSwappiness(const std::vector<std::string>& args, std::string* err) {
+ if (!ParseInt(args[1], &swappiness_, 0)) {
+ *err = "swappiness value must be equal or greater than 0";
+ return false;
+ }
+ return true;
+}
+
+bool Service::ParseMemcgLimitInBytes(const std::vector<std::string>& args, std::string* err) {
+ if (!ParseInt(args[1], &limit_in_bytes_, 0)) {
+ *err = "limit_in_bytes value must be equal or greater than 0";
+ return false;
+ }
+ return true;
+}
+
+bool Service::ParseMemcgSoftLimitInBytes(const std::vector<std::string>& args, std::string* err) {
+ if (!ParseInt(args[1], &soft_limit_in_bytes_, 0)) {
+ *err = "soft_limit_in_bytes value must be equal or greater than 0";
+ return false;
+ }
+ return true;
+}
+
bool Service::ParseSeclabel(const std::vector<std::string>& args, std::string* err) {
seclabel_ = args[1];
return true;
@@ -499,6 +511,14 @@
return true;
}
+bool Service::ParseShutdown(const std::vector<std::string>& args, std::string* err) {
+ if (args[1] == "critical") {
+ flags_ |= SVC_SHUTDOWN_CRITICAL;
+ return true;
+ }
+ return false;
+}
+
template <typename T>
bool Service::AddDescriptor(const std::vector<std::string>& args, std::string* err) {
int perm = args.size() > 3 ? std::strtoul(args[3].c_str(), 0, 8) : -1;
@@ -599,9 +619,16 @@
{"onrestart", {1, kMax, &Service::ParseOnrestart}},
{"oom_score_adjust",
{1, 1, &Service::ParseOomScoreAdjust}},
+ {"memcg.swappiness",
+ {1, 1, &Service::ParseMemcgSwappiness}},
+ {"memcg.soft_limit_in_bytes",
+ {1, 1, &Service::ParseMemcgSoftLimitInBytes}},
+ {"memcg.limit_in_bytes",
+ {1, 1, &Service::ParseMemcgLimitInBytes}},
{"namespace", {1, 2, &Service::ParseNamespace}},
{"seclabel", {1, 1, &Service::ParseSeclabel}},
{"setenv", {2, 2, &Service::ParseSetenv}},
+ {"shutdown", {1, 1, &Service::ParseShutdown}},
{"socket", {3, 6, &Service::ParseSocket}},
{"file", {2, 2, &Service::ParseFile}},
{"user", {1, 1, &Service::ParseUser}},
@@ -622,10 +649,10 @@
return (this->*parser)(args, err);
}
-bool Service::ExecStart(std::unique_ptr<Timer>* exec_waiter) {
+bool Service::ExecStart(std::unique_ptr<android::base::Timer>* exec_waiter) {
flags_ |= SVC_EXEC | SVC_ONESHOT;
- exec_waiter->reset(new Timer);
+ exec_waiter->reset(new android::base::Timer);
if (!Start()) {
exec_waiter->reset();
@@ -784,6 +811,24 @@
if (errno != 0) {
PLOG(ERROR) << "createProcessGroup(" << uid_ << ", " << pid_ << ") failed for service '"
<< name_ << "'";
+ } else {
+ if (swappiness_ != -1) {
+ if (!setProcessGroupSwappiness(uid_, pid_, swappiness_)) {
+ PLOG(ERROR) << "setProcessGroupSwappiness failed";
+ }
+ }
+
+ if (soft_limit_in_bytes_ != -1) {
+ if (!setProcessGroupSoftLimit(uid_, pid_, soft_limit_in_bytes_)) {
+ PLOG(ERROR) << "setProcessGroupSoftLimit failed";
+ }
+ }
+
+ if (limit_in_bytes_ != -1) {
+ if (!setProcessGroupLimit(uid_, pid_, limit_in_bytes_)) {
+ PLOG(ERROR) << "setProcessGroupLimit failed";
+ }
+ }
}
if ((flags_ & SVC_EXEC) != 0) {
@@ -1088,14 +1133,24 @@
}
bool ServiceManager::ReapOneProcess() {
- int status;
- pid_t pid = TEMP_FAILURE_RETRY(waitpid(-1, &status, WNOHANG));
- if (pid == 0) {
+ siginfo_t siginfo = {};
+ // This returns a zombie pid or informs us that there are no zombies left to be reaped.
+ // It does NOT reap the pid; that is done below.
+ if (TEMP_FAILURE_RETRY(waitid(P_ALL, 0, &siginfo, WEXITED | WNOHANG | WNOWAIT)) != 0) {
+ PLOG(ERROR) << "waitid failed";
return false;
- } else if (pid == -1) {
- PLOG(ERROR) << "waitpid failed";
- return false;
- } else if (PropertyChildReap(pid)) {
+ }
+
+ auto pid = siginfo.si_pid;
+ if (pid == 0) return false;
+
+ // At this point we know we have a zombie pid, so we use this scopeguard to reap the pid
+ // whenever the function returns from this point forward.
+ // We do NOT want to reap the zombie earlier as in Service::Reap(), we kill(-pid, ...) and we
+ // want the pid to remain valid throughout that (and potentially future) usages.
+ auto reaper = make_scope_guard([pid] { TEMP_FAILURE_RETRY(waitpid(pid, nullptr, WNOHANG)); });
+
+ if (PropertyChildReap(pid)) {
return true;
}
@@ -1106,20 +1161,18 @@
if (svc) {
name = StringPrintf("Service '%s' (pid %d)", svc->name().c_str(), pid);
if (svc->flags() & SVC_EXEC) {
- wait_string = StringPrintf(" waiting took %f seconds", exec_waiter_->duration_s());
+ wait_string = StringPrintf(" waiting took %f seconds",
+ exec_waiter_->duration().count() / 1000.0f);
}
} else {
name = StringPrintf("Untracked pid %d", pid);
}
+ auto status = siginfo.si_status;
if (WIFEXITED(status)) {
LOG(INFO) << name << " exited with status " << WEXITSTATUS(status) << wait_string;
} else if (WIFSIGNALED(status)) {
LOG(INFO) << name << " killed by signal " << WTERMSIG(status) << wait_string;
- } else if (WIFSTOPPED(status)) {
- LOG(INFO) << name << " stopped by signal " << WSTOPSIG(status) << wait_string;
- } else {
- LOG(INFO) << name << " state changed" << wait_string;
}
if (!svc) {
@@ -1143,6 +1196,15 @@
}
}
+void ServiceManager::ClearExecWait() {
+ // Clear EXEC flag if there is one pending
+ // And clear the wait flag
+ for (const auto& s : services_) {
+ s->UnSetExec();
+ }
+ exec_waiter_.reset();
+}
+
bool ServiceParser::ParseSection(std::vector<std::string>&& args, const std::string& filename,
int line, std::string* err) {
if (args.size() < 3) {
diff --git a/init/service.h b/init/service.h
index 3c7dc74..62a3299 100644
--- a/init/service.h
+++ b/init/service.h
@@ -32,7 +32,6 @@
#include "descriptors.h"
#include "init_parser.h"
#include "keyword_map.h"
-#include "util.h"
#define SVC_DISABLED 0x001 // do not autostart with class
#define SVC_ONESHOT 0x002 // do not restart on exit
@@ -76,7 +75,7 @@
bool IsRunning() { return (flags_ & SVC_RUNNING) != 0; }
bool ParseLine(const std::vector<std::string>& args, std::string* err);
- bool ExecStart(std::unique_ptr<Timer>* exec_waiter);
+ bool ExecStart(std::unique_ptr<android::base::Timer>* exec_waiter);
bool Start();
bool StartIfNotDisabled();
bool Enable();
@@ -89,6 +88,7 @@
void DumpState() const;
void SetShutdownCritical() { flags_ |= SVC_SHUTDOWN_CRITICAL; }
bool IsShutdownCritical() const { return (flags_ & SVC_SHUTDOWN_CRITICAL) != 0; }
+ void UnSetExec() { flags_ &= ~SVC_EXEC; }
const std::string& name() const { return name_; }
const std::set<std::string>& classnames() const { return classnames_; }
@@ -134,9 +134,13 @@
bool ParseOneshot(const std::vector<std::string>& args, std::string* err);
bool ParseOnrestart(const std::vector<std::string>& args, std::string* err);
bool ParseOomScoreAdjust(const std::vector<std::string>& args, std::string* err);
+ bool ParseMemcgLimitInBytes(const std::vector<std::string>& args, std::string* err);
+ bool ParseMemcgSoftLimitInBytes(const std::vector<std::string>& args, std::string* err);
+ bool ParseMemcgSwappiness(const std::vector<std::string>& args, std::string* err);
bool ParseNamespace(const std::vector<std::string>& args, std::string* err);
bool ParseSeclabel(const std::vector<std::string>& args, std::string* err);
bool ParseSetenv(const std::vector<std::string>& args, std::string* err);
+ bool ParseShutdown(const std::vector<std::string>& args, std::string* err);
bool ParseSocket(const std::vector<std::string>& args, std::string* err);
bool ParseFile(const std::vector<std::string>& args, std::string* err);
bool ParseUser(const std::vector<std::string>& args, std::string* err);
@@ -180,13 +184,17 @@
int oom_score_adjust_;
+ int swappiness_;
+ int soft_limit_in_bytes_;
+ int limit_in_bytes_;
+
bool process_cgroup_empty_ = false;
std::vector<std::string> args_;
};
class ServiceManager {
-public:
+ public:
static ServiceManager& GetInstance();
// Exposed for testing
@@ -208,14 +216,15 @@
void ReapAnyOutstandingChildren();
void RemoveService(const Service& svc);
void DumpState() const;
+ void ClearExecWait();
-private:
+ private:
// Cleans up a child process that exited.
// Returns true iff a children was cleaned up.
bool ReapOneProcess();
static int exec_count_; // Every service needs a unique name.
- std::unique_ptr<Timer> exec_waiter_;
+ std::unique_ptr<android::base::Timer> exec_waiter_;
std::vector<std::unique_ptr<Service>> services_;
};
diff --git a/init/ueventd.cpp b/init/ueventd.cpp
index 81a0572..c0eae1e 100644
--- a/init/ueventd.cpp
+++ b/init/ueventd.cpp
@@ -27,6 +27,7 @@
#include <set>
#include <thread>
+#include <android-base/chrono_utils.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <selinux/android.h>
@@ -198,7 +199,7 @@
}
void ColdBoot::Run() {
- Timer cold_boot_timer;
+ android::base::Timer cold_boot_timer;
RegenerateUevents();
@@ -209,7 +210,7 @@
WaitForSubProcesses();
close(open(COLDBOOT_DONE, O_WRONLY | O_CREAT | O_CLOEXEC, 0000));
- LOG(INFO) << "Coldboot took " << cold_boot_timer;
+ LOG(INFO) << "Coldboot took " << cold_boot_timer.duration().count() / 1000.0f << " seconds";
}
DeviceHandler CreateDeviceHandler() {
@@ -268,6 +269,13 @@
cold_boot.Run();
}
+ // We use waitpid() in ColdBoot, so we can't ignore SIGCHLD until now.
+ signal(SIGCHLD, SIG_IGN);
+ // Reap and pending children that exited between the last call to waitpid() and setting SIG_IGN
+ // for SIGCHLD above.
+ while (waitpid(-1, nullptr, WNOHANG) > 0) {
+ }
+
uevent_listener.Poll([&device_handler](const Uevent& uevent) {
HandleFirmwareEvent(uevent);
device_handler.HandleDeviceEvent(uevent);
diff --git a/init/ueventd_test.cpp b/init/ueventd_test.cpp
new file mode 100644
index 0000000..4d9a1fa
--- /dev/null
+++ b/init/ueventd_test.cpp
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <linux/futex.h>
+#include <pthread.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <string>
+#include <thread>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/scopeguard.h>
+#include <android-base/test_utils.h>
+#include <gtest/gtest.h>
+#include <selinux/selinux.h>
+
+using namespace std::string_literals;
+
+template <typename T, typename F>
+void WriteFromMultipleThreads(std::vector<std::pair<std::string, T>>& files_and_parameters,
+ F function) {
+ auto num_threads = files_and_parameters.size();
+ pthread_barrier_t barrier;
+ pthread_barrier_init(&barrier, nullptr, num_threads);
+ auto barrier_destroy =
+ android::base::make_scope_guard([&barrier]() { pthread_barrier_destroy(&barrier); });
+
+ auto make_thread_function = [&function, &barrier](const auto& file, const auto& parameter) {
+ return [&]() {
+ function(parameter);
+ pthread_barrier_wait(&barrier);
+ android::base::WriteStringToFile("<empty>", file);
+ };
+ };
+
+ std::vector<std::thread> threads;
+ // TODO(b/63712782): Structured bindings + templated containers are broken in clang :(
+ // for (const auto& [file, parameter] : files_and_parameters) {
+ for (const auto& pair : files_and_parameters) {
+ const auto& file = pair.first;
+ const auto& parameter = pair.second;
+ threads.emplace_back(std::thread(make_thread_function(file, parameter)));
+ }
+
+ for (auto& thread : threads) {
+ thread.join();
+ }
+}
+
+TEST(ueventd, setegid_IsPerThread) {
+ if (getuid() != 0) {
+ GTEST_LOG_(INFO) << "Skipping test, must be run as root.";
+ return;
+ }
+
+ TemporaryDir dir;
+
+ gid_t gid = 0;
+ std::vector<std::pair<std::string, gid_t>> files_and_gids;
+ std::generate_n(std::back_inserter(files_and_gids), 100, [&gid, &dir]() {
+ gid++;
+ return std::pair(dir.path + "/gid_"s + std::to_string(gid), gid);
+ });
+
+ WriteFromMultipleThreads(files_and_gids, [](gid_t gid) { EXPECT_EQ(0, setegid(gid)); });
+
+ for (const auto& [file, expected_gid] : files_and_gids) {
+ struct stat info;
+ ASSERT_EQ(0, stat(file.c_str(), &info));
+ EXPECT_EQ(expected_gid, info.st_gid);
+ }
+}
+
+TEST(ueventd, setfscreatecon_IsPerThread) {
+ if (getuid() != 0) {
+ GTEST_LOG_(INFO) << "Skipping test, must be run as root.";
+ return;
+ }
+ if (!is_selinux_enabled() || security_getenforce() == 1) {
+ GTEST_LOG_(INFO) << "Skipping test, SELinux must be enabled and in permissive mode.";
+ return;
+ }
+
+ const char* const contexts[] = {
+ "u:object_r:audio_device:s0",
+ "u:object_r:sensors_device:s0",
+ "u:object_r:video_device:s0"
+ "u:object_r:zero_device:s0",
+ };
+
+ TemporaryDir dir;
+ std::vector<std::pair<std::string, std::string>> files_and_contexts;
+ for (const char* context : contexts) {
+ files_and_contexts.emplace_back(dir.path + "/context_"s + context, context);
+ }
+
+ WriteFromMultipleThreads(files_and_contexts, [](const std::string& context) {
+ EXPECT_EQ(0, setfscreatecon(context.c_str()));
+ });
+
+ for (const auto& [file, expected_context] : files_and_contexts) {
+ char* file_context;
+ ASSERT_GT(getfilecon(file.c_str(), &file_context), 0);
+ EXPECT_EQ(expected_context, file_context);
+ freecon(file_context);
+ }
+}
diff --git a/init/util.cpp b/init/util.cpp
index 4b1894f..2792794 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -370,14 +370,10 @@
void panic() {
LOG(ERROR) << "panic: rebooting to bootloader";
+ // Do not queue "shutdown" trigger since we want to shutdown immediately
DoReboot(ANDROID_RB_RESTART2, "reboot", "bootloader", false);
}
-std::ostream& operator<<(std::ostream& os, const Timer& t) {
- os << t.duration_s() << " seconds";
- return os;
-}
-
// Reads the content of device tree file under kAndroidDtDir directory.
// Returns true if the read is success, false otherwise.
bool read_android_dt_file(const std::string& sub_path, std::string* dt_content) {
diff --git a/init/util.h b/init/util.h
index 346953f..452df2d 100644
--- a/init/util.h
+++ b/init/util.h
@@ -44,26 +44,6 @@
bool ReadFile(const std::string& path, std::string* content, std::string* err);
bool WriteFile(const std::string& path, const std::string& content, std::string* err);
-class Timer {
- public:
- Timer() : start_(boot_clock::now()) {}
-
- double duration_s() const {
- typedef std::chrono::duration<double> double_duration;
- return std::chrono::duration_cast<double_duration>(boot_clock::now() - start_).count();
- }
-
- int64_t duration_ms() const {
- return std::chrono::duration_cast<std::chrono::milliseconds>(boot_clock::now() - start_)
- .count();
- }
-
- private:
- android::base::boot_clock::time_point start_;
-};
-
-std::ostream& operator<<(std::ostream& os, const Timer& t);
-
bool DecodeUid(const std::string& name, uid_t* uid, std::string* err);
int mkdir_recursive(const std::string& pathname, mode_t mode, selabel_handle* sehandle);
diff --git a/libappfuse/Android.bp b/libappfuse/Android.bp
index b0ac5c4..29ffe32 100644
--- a/libappfuse/Android.bp
+++ b/libappfuse/Android.bp
@@ -8,7 +8,6 @@
"-Wall",
"-Werror",
],
- clang: true
}
cc_library_shared {
diff --git a/libappfuse/FuseBridgeLoop.cc b/libappfuse/FuseBridgeLoop.cc
index 5a897a4..8b0c53e 100644
--- a/libappfuse/FuseBridgeLoop.cc
+++ b/libappfuse/FuseBridgeLoop.cc
@@ -173,9 +173,6 @@
}
FuseBridgeState ReadFromDevice(FuseBridgeLoopCallback* callback) {
- // To observe APCT failures.
- base::ScopedLogSeverity log_severity(base::VERBOSE);
-
LOG(VERBOSE) << "ReadFromDevice";
if (!buffer_.request.Read(device_fd_)) {
return FuseBridgeState::kClosing;
diff --git a/libbacktrace/Android.bp b/libbacktrace/Android.bp
index a643a29..e02aaf2 100644
--- a/libbacktrace/Android.bp
+++ b/libbacktrace/Android.bp
@@ -161,6 +161,7 @@
shared_libs = [
"libbase",
"libunwind",
+ "libziparchive",
],
}
diff --git a/libbacktrace/Backtrace.cpp b/libbacktrace/Backtrace.cpp
index e46d353..81f5e32 100644
--- a/libbacktrace/Backtrace.cpp
+++ b/libbacktrace/Backtrace.cpp
@@ -84,10 +84,8 @@
}
std::string Backtrace::FormatFrameData(const backtrace_frame_data_t* frame) {
- uintptr_t relative_pc;
std::string map_name;
if (BacktraceMap::IsValid(frame->map)) {
- relative_pc = BacktraceMap::GetRelativePc(frame->map, frame->pc);
if (!frame->map.name.empty()) {
map_name = frame->map.name.c_str();
if (map_name[0] == '[' && map_name[map_name.size() - 1] == ']') {
@@ -99,10 +97,9 @@
}
} else {
map_name = "<unknown>";
- relative_pc = frame->pc;
}
- std::string line(StringPrintf("#%02zu pc %" PRIPTR " ", frame->num, relative_pc));
+ std::string line(StringPrintf("#%02zu pc %" PRIPTR " ", frame->num, frame->rel_pc));
line += map_name;
// Special handling for non-zero offset maps, we need to print that
// information.
diff --git a/libbacktrace/UnwindCurrent.cpp b/libbacktrace/UnwindCurrent.cpp
index 3c509e6..2c87fa8 100644
--- a/libbacktrace/UnwindCurrent.cpp
+++ b/libbacktrace/UnwindCurrent.cpp
@@ -133,6 +133,11 @@
backtrace_frame_data_t* prev = &frames_.at(num_frames-1);
prev->stack_size = frame->sp - prev->sp;
}
+ if (BacktraceMap::IsValid(frame->map)) {
+ frame->rel_pc = frame->pc - frame->map.start + frame->map.load_bias;
+ } else {
+ frame->rel_pc = frame->pc;
+ }
num_frames++;
} else {
num_ignore_frames--;
diff --git a/libbacktrace/UnwindMap.cpp b/libbacktrace/UnwindMap.cpp
index af79562..0b8232b 100644
--- a/libbacktrace/UnwindMap.cpp
+++ b/libbacktrace/UnwindMap.cpp
@@ -57,7 +57,7 @@
map.start = unw_map.start;
map.end = unw_map.end;
map.offset = unw_map.offset;
- map.load_base = unw_map.load_base;
+ map.load_bias = unw_map.load_base;
map.flags = unw_map.flags;
map.name = unw_map.path;
@@ -106,7 +106,7 @@
map.start = unw_map.start;
map.end = unw_map.end;
map.offset = unw_map.offset;
- map.load_base = unw_map.load_base;
+ map.load_bias = unw_map.load_base;
map.flags = unw_map.flags;
map.name = unw_map.path;
diff --git a/libbacktrace/UnwindPtrace.cpp b/libbacktrace/UnwindPtrace.cpp
index 42ac1bc..87282ef 100644
--- a/libbacktrace/UnwindPtrace.cpp
+++ b/libbacktrace/UnwindPtrace.cpp
@@ -135,6 +135,11 @@
}
FillInMap(frame->pc, &frame->map);
+ if (BacktraceMap::IsValid(frame->map)) {
+ frame->rel_pc = frame->pc - frame->map.start + frame->map.load_bias;
+ } else {
+ frame->rel_pc = frame->pc;
+ }
frame->func_name = GetFunctionName(frame->pc, &frame->func_offset, &frame->map);
diff --git a/libbacktrace/backtrace_offline_test.cpp b/libbacktrace/backtrace_offline_test.cpp
index 465b3f9..16b1d79 100644
--- a/libbacktrace/backtrace_offline_test.cpp
+++ b/libbacktrace/backtrace_offline_test.cpp
@@ -167,9 +167,9 @@
// 2. Dump maps
for (auto it = map->begin(); it != map->end(); ++it) {
testdata += android::base::StringPrintf(
- "map: start: %" PRIxPTR " end: %" PRIxPTR " offset: %" PRIxPTR
- " load_base: %" PRIxPTR " flags: %d name: %s\n",
- it->start, it->end, it->offset, it->load_base, it->flags, it->name.c_str());
+ "map: start: %" PRIxPTR " end: %" PRIxPTR " offset: %" PRIxPTR " load_bias: %" PRIxPTR
+ " flags: %d name: %s\n",
+ it->start, it->end, it->offset, it->load_bias, it->flags, it->name.c_str());
}
// 3. Dump registers
testdata += android::base::StringPrintf("registers: %zu ", sizeof(arg.unw_context));
@@ -246,9 +246,9 @@
backtrace_map_t& map = testdata->maps.back();
int pos;
sscanf(line.c_str(),
- "map: start: %" SCNxPTR " end: %" SCNxPTR " offset: %" SCNxPTR
- " load_base: %" SCNxPTR " flags: %d name: %n",
- &map.start, &map.end, &map.offset, &map.load_base, &map.flags, &pos);
+ "map: start: %" SCNxPTR " end: %" SCNxPTR " offset: %" SCNxPTR " load_bias: %" SCNxPTR
+ " flags: %d name: %n",
+ &map.start, &map.end, &map.offset, &map.load_bias, &map.flags, &pos);
map.name = android::base::Trim(line.substr(pos));
} else if (android::base::StartsWith(line, "registers:")) {
size_t size;
@@ -392,8 +392,8 @@
// The last frame is outside of libart.so
ASSERT_EQ(testdata.symbols.size() + 1, backtrace->NumFrames());
for (size_t i = 0; i + 1 < backtrace->NumFrames(); ++i) {
- uintptr_t vaddr_in_file = backtrace->GetFrame(i)->pc - testdata.maps[0].start +
- testdata.maps[0].load_base;
+ uintptr_t vaddr_in_file =
+ backtrace->GetFrame(i)->pc - testdata.maps[0].start + testdata.maps[0].load_bias;
std::string name = FunctionNameForAddress(vaddr_in_file, testdata.symbols);
ASSERT_EQ(name, testdata.symbols[i].name);
}
diff --git a/libbacktrace/backtrace_test.cpp b/libbacktrace/backtrace_test.cpp
index fb463b0..1ec6a45 100644
--- a/libbacktrace/backtrace_test.cpp
+++ b/libbacktrace/backtrace_test.cpp
@@ -784,6 +784,7 @@
backtrace_frame_data_t frame;
frame.num = 1;
frame.pc = 2;
+ frame.rel_pc = 2;
frame.sp = 0;
frame.stack_size = 0;
frame.func_offset = 0;
@@ -799,9 +800,10 @@
// Check map name empty, but exists.
frame.pc = 0xb0020;
+ frame.rel_pc = 0x20;
frame.map.start = 0xb0000;
frame.map.end = 0xbffff;
- frame.map.load_base = 0;
+ frame.map.load_bias = 0;
#if defined(__LP64__)
EXPECT_EQ("#01 pc 0000000000000020 <anonymous:00000000000b0000>",
#else
@@ -813,7 +815,7 @@
frame.pc = 0xc0020;
frame.map.start = 0xc0000;
frame.map.end = 0xcffff;
- frame.map.load_base = 0;
+ frame.map.load_bias = 0;
frame.map.name = "[anon:thread signal stack]";
#if defined(__LP64__)
EXPECT_EQ("#01 pc 0000000000000020 [anon:thread signal stack:00000000000c0000]",
@@ -824,6 +826,7 @@
// Check relative pc is set and map name is set.
frame.pc = 0x12345679;
+ frame.rel_pc = 0x12345678;
frame.map.name = "MapFake";
frame.map.start = 1;
frame.map.end = 1;
@@ -852,9 +855,10 @@
#endif
backtrace->FormatFrameData(&frame));
- // Check func_name is set, func offset is non-zero, and load_base is non-zero.
+ // Check func_name is set, func offset is non-zero, and load_bias is non-zero.
+ frame.rel_pc = 0x123456dc;
frame.func_offset = 645;
- frame.map.load_base = 100;
+ frame.map.load_bias = 100;
#if defined(__LP64__)
EXPECT_EQ("#01 pc 00000000123456dc MapFake (ProcFake+645)",
#else
@@ -1737,9 +1741,13 @@
FinishRemoteProcess(pid);
}
-TEST(libbacktrace, unwind_remote_through_signal_using_handler) { UnwindThroughSignal(false); }
+TEST(libbacktrace, unwind_remote_through_signal_using_handler) {
+ UnwindThroughSignal(false);
+}
-TEST(libbacktrace, unwind_remote_through_signal_using_action) { UnwindThroughSignal(true); }
+TEST(libbacktrace, unwind_remote_through_signal_using_action) {
+ UnwindThroughSignal(true);
+}
#if defined(ENABLE_PSS_TESTS)
#include "GetPss.h"
diff --git a/libbacktrace/include/backtrace/Backtrace.h b/libbacktrace/include/backtrace/Backtrace.h
index 4f73a65..b919e81 100644
--- a/libbacktrace/include/backtrace/Backtrace.h
+++ b/libbacktrace/include/backtrace/Backtrace.h
@@ -55,6 +55,7 @@
struct backtrace_frame_data_t {
size_t num; // The current fame number.
uintptr_t pc; // The absolute pc.
+ uintptr_t rel_pc; // The relative pc.
uintptr_t sp; // The top of the stack.
size_t stack_size; // The size of the stack, zero indicate an unknown stack size.
backtrace_map_t map; // The map associated with the given pc.
diff --git a/libbacktrace/include/backtrace/BacktraceMap.h b/libbacktrace/include/backtrace/BacktraceMap.h
index 8ab0dfa..02a50f7 100644
--- a/libbacktrace/include/backtrace/BacktraceMap.h
+++ b/libbacktrace/include/backtrace/BacktraceMap.h
@@ -41,7 +41,7 @@
uintptr_t start = 0;
uintptr_t end = 0;
uintptr_t offset = 0;
- uintptr_t load_base = 0;
+ uintptr_t load_bias = 0;
int flags = 0;
std::string name;
};
@@ -95,14 +95,6 @@
return map.end > 0;
}
- static uintptr_t GetRelativePc(const backtrace_map_t& map, uintptr_t pc) {
- if (IsValid(map)) {
- return pc - map.start + map.load_base;
- } else {
- return pc;
- }
- }
-
protected:
BacktraceMap(pid_t pid);
diff --git a/libcutils/Android.bp b/libcutils/Android.bp
index 245deb1..85258cd 100644
--- a/libcutils/Android.bp
+++ b/libcutils/Android.bp
@@ -156,8 +156,6 @@
"-Wall",
"-Wextra",
],
-
- clang: true,
}
subdirs = ["tests"]
diff --git a/libion/tests/Android.bp b/libion/tests/Android.bp
index 4428848..b3fcb3b 100644
--- a/libion/tests/Android.bp
+++ b/libion/tests/Android.bp
@@ -16,7 +16,6 @@
cc_test {
name: "ion-unit-tests",
- clang: true,
cflags: [
"-g",
"-Wall",
diff --git a/liblog/Android.bp b/liblog/Android.bp
index e74aa82..b98d18f 100644
--- a/liblog/Android.bp
+++ b/liblog/Android.bp
@@ -42,6 +42,24 @@
"logd_writer.c",
]
+cc_library_headers {
+ name: "liblog_headers",
+ host_supported: true,
+ vendor_available: true,
+ export_include_dirs: ["include"],
+ target: {
+ windows: {
+ enabled: true,
+ },
+ linux_bionic: {
+ enabled: true,
+ },
+ vendor: {
+ export_include_dirs: ["include_vndk"],
+ },
+ },
+}
+
// Shared and static library for host and device
// ========================================================
cc_library {
@@ -81,7 +99,8 @@
},
},
- export_include_dirs: ["include"],
+ header_libs: ["liblog_headers"],
+ export_header_lib_headers: ["liblog_headers"],
cflags: [
"-Werror",
@@ -100,7 +119,7 @@
}
ndk_headers {
- name: "liblog_headers",
+ name: "liblog_ndk_headers",
from: "include/android",
to: "android",
srcs: ["include/android/log.h"],
diff --git a/liblog/include/log/log.h b/liblog/include/log/log.h
index 3a215e9..d01708d 100644
--- a/liblog/include/log/log.h
+++ b/liblog/include/log/log.h
@@ -161,7 +161,7 @@
#endif
#if __ANDROID_USE_LIBLOG_CLOCK_INTERFACE
-clockid_t android_log_clockid();
+clockid_t android_log_clockid(void);
#endif
#endif /* __linux__ */
@@ -185,7 +185,7 @@
* May be used to clean up File descriptors after a Fork, the resources are
* all O_CLOEXEC so wil self clean on exec().
*/
-void __android_log_close();
+void __android_log_close(void);
#endif
#ifndef __ANDROID_USE_LIBLOG_RATELIMIT_INTERFACE
diff --git a/liblog/include/log/log_main.h b/liblog/include/log/log_main.h
index da16158..68c2e9a 100644
--- a/liblog/include/log/log_main.h
+++ b/liblog/include/log/log_main.h
@@ -18,10 +18,9 @@
#define _LIBS_LOG_LOG_MAIN_H
#include <android/log.h>
+#include <sys/cdefs.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
+__BEGIN_DECLS
/*
* Normally we strip the effects of ALOGV (VERBOSE messages),
@@ -385,8 +384,6 @@
#pragma clang diagnostic pop
#endif
-#ifdef __cplusplus
-}
-#endif
+__END_DECLS
#endif /* _LIBS_LOG_LOG_MAIN_H */
diff --git a/liblog/tests/Android.mk b/liblog/tests/Android.mk
index ab96429..91044ab 100644
--- a/liblog/tests/Android.mk
+++ b/liblog/tests/Android.mk
@@ -89,7 +89,7 @@
LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
LOCAL_SHARED_LIBRARIES := liblog libcutils libbase
LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts
+LOCAL_COMPATIBILITY_SUITE := cts vts
LOCAL_CTS_TEST_PACKAGE := android.core.liblog
include $(BUILD_CTS_EXECUTABLE)
diff --git a/libmemunreachable/Android.bp b/libmemunreachable/Android.bp
index cdac76b..8b76a65 100644
--- a/libmemunreachable/Android.bp
+++ b/libmemunreachable/Android.bp
@@ -6,7 +6,6 @@
"-Wextra",
"-Werror",
],
- clang: true,
shared_libs: [
"libbase",
],
@@ -26,6 +25,7 @@
defaults: ["libmemunreachable_defaults"],
srcs: [
"Allocator.cpp",
+ "Binder.cpp",
"HeapWalker.cpp",
"LeakFolding.cpp",
"LeakPipe.cpp",
@@ -84,3 +84,18 @@
},
},
}
+
+cc_test {
+ name: "memunreachable_binder_test",
+ defaults: ["libmemunreachable_defaults"],
+ srcs: [
+ "tests/Binder_test.cpp",
+ "tests/MemUnreachable_test.cpp",
+ ],
+ shared_libs: [
+ "libbinder",
+ "libhwbinder",
+ "libmemunreachable",
+ "libutils",
+ ],
+}
diff --git a/libmemunreachable/Binder.cpp b/libmemunreachable/Binder.cpp
new file mode 100644
index 0000000..60512a3
--- /dev/null
+++ b/libmemunreachable/Binder.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/cdefs.h>
+#include <unistd.h>
+
+#include <functional>
+
+#include "Binder.h"
+#include "log.h"
+
+__BEGIN_DECLS
+
+// Weak undefined references to the symbols in libbinder and libhwbinder
+// so that libmemunreachable can call them in processes that have them
+// loaded without requiring libmemunreachable to have dependencies on them.
+ssize_t __attribute__((weak)) getBinderKernelReferences(size_t, uintptr_t*);
+ssize_t __attribute__((weak)) getHWBinderKernelReferences(size_t, uintptr_t*);
+
+__END_DECLS
+
+namespace android {
+
+static bool BinderReferencesToVector(allocator::vector<uintptr_t>& refs,
+ std::function<ssize_t(size_t, uintptr_t*)> fn) {
+ if (fn == nullptr) {
+ return true;
+ }
+
+ size_t size = refs.size();
+
+ do {
+ refs.resize(size);
+
+ ssize_t ret = fn(refs.size(), refs.data());
+ if (ret < 0) {
+ return false;
+ }
+
+ size = ret;
+ } while (size > refs.size());
+
+ refs.resize(size);
+ return true;
+}
+
+bool BinderReferences(allocator::vector<uintptr_t>& refs) {
+ refs.clear();
+
+ allocator::vector<uintptr_t> binder_refs{refs.get_allocator()};
+ if (BinderReferencesToVector(refs, getBinderKernelReferences)) {
+ refs.insert(refs.end(), binder_refs.begin(), binder_refs.end());
+ } else {
+ MEM_ALOGE("getBinderKernelReferences failed");
+ }
+
+ allocator::vector<uintptr_t> hwbinder_refs{refs.get_allocator()};
+ if (BinderReferencesToVector(hwbinder_refs, getHWBinderKernelReferences)) {
+ refs.insert(refs.end(), hwbinder_refs.begin(), hwbinder_refs.end());
+ } else {
+ MEM_ALOGE("getHWBinderKernelReferences failed");
+ }
+
+ return true;
+}
+
+} // namespace android
diff --git a/libunwindstack/Log.h b/libmemunreachable/Binder.h
similarity index 65%
copy from libunwindstack/Log.h
copy to libmemunreachable/Binder.h
index 2d01aa8..bf4fd3e 100644
--- a/libunwindstack/Log.h
+++ b/libmemunreachable/Binder.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -14,12 +14,15 @@
* limitations under the License.
*/
-#ifndef _LIBUNWINDSTACK_LOG_H
-#define _LIBUNWINDSTACK_LOG_H
+#ifndef LIBMEMUNREACHABLE_BINDER_H_
+#define LIBMEMUNREACHABLE_BINDER_H_
-#include <stdint.h>
+#include "Allocator.h"
-void log_to_stdout(bool enable);
-void log(uint8_t indent, const char* format, ...);
+namespace android {
-#endif // _LIBUNWINDSTACK_LOG_H
+bool BinderReferences(allocator::vector<uintptr_t>& refs);
+
+} // namespace android
+
+#endif // LIBMEMUNREACHABLE_BINDER_H_
diff --git a/libmemunreachable/MemUnreachable.cpp b/libmemunreachable/MemUnreachable.cpp
index a1f74c3..5e062fd 100644
--- a/libmemunreachable/MemUnreachable.cpp
+++ b/libmemunreachable/MemUnreachable.cpp
@@ -28,6 +28,7 @@
#include <backtrace.h>
#include "Allocator.h"
+#include "Binder.h"
#include "HeapWalker.h"
#include "Leak.h"
#include "LeakFolding.h"
@@ -53,7 +54,8 @@
MemUnreachable(pid_t pid, Allocator<void> allocator)
: pid_(pid), allocator_(allocator), heap_walker_(allocator_) {}
bool CollectAllocations(const allocator::vector<ThreadInfo>& threads,
- const allocator::vector<Mapping>& mappings);
+ const allocator::vector<Mapping>& mappings,
+ const allocator::vector<uintptr_t>& refs);
bool GetUnreachableMemory(allocator::vector<Leak>& leaks, size_t limit, size_t* num_leaks,
size_t* leak_bytes);
size_t Allocations() { return heap_walker_.Allocations(); }
@@ -82,7 +84,8 @@
}
bool MemUnreachable::CollectAllocations(const allocator::vector<ThreadInfo>& threads,
- const allocator::vector<Mapping>& mappings) {
+ const allocator::vector<Mapping>& mappings,
+ const allocator::vector<uintptr_t>& refs) {
MEM_ALOGI("searching process %d for allocations", pid_);
allocator::vector<Mapping> heap_mappings{mappings};
allocator::vector<Mapping> anon_mappings{mappings};
@@ -118,6 +121,8 @@
heap_walker_.Root(thread_it->regs);
}
+ heap_walker_.Root(refs);
+
MEM_ALOGI("searching done");
return true;
@@ -282,6 +287,7 @@
ThreadCapture thread_capture(parent_pid, heap);
allocator::vector<ThreadInfo> thread_info(heap);
allocator::vector<Mapping> mappings(heap);
+ allocator::vector<uintptr_t> refs(heap);
// ptrace all the threads
if (!thread_capture.CaptureThreads()) {
@@ -301,6 +307,11 @@
return 1;
}
+ if (!BinderReferences(refs)) {
+ continue_parent_sem.Post();
+ return 1;
+ }
+
// malloc must be enabled to call fork, at_fork handlers take the same
// locks as ScopedDisableMalloc. All threads are paused in ptrace, so
// memory state is still consistent. Unfreeze the original thread so it
@@ -326,7 +337,7 @@
MemUnreachable unreachable{parent_pid, heap};
- if (!unreachable.CollectAllocations(thread_info, mappings)) {
+ if (!unreachable.CollectAllocations(thread_info, mappings, refs)) {
_exit(2);
}
size_t num_allocations = unreachable.Allocations();
diff --git a/libmemunreachable/tests/AndroidTest.xml b/libmemunreachable/tests/AndroidTest.xml
new file mode 100644
index 0000000..604c0ec
--- /dev/null
+++ b/libmemunreachable/tests/AndroidTest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2017 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<configuration description="Config for memunreachable_test">
+ <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+ <option name="cleanup" value="true" />
+ <option name="push" value="memunreachable_test->/data/local/tmp/memunreachable_test" />
+ </target_preparer>
+ <option name="test-suite-tag" value="apct" />
+ <test class="com.android.tradefed.testtype.GTest" >
+ <option name="native-test-device-path" value="/data/local/tmp" />
+ <option name="module-name" value="memunreachable_test" />
+ </test>
+</configuration>
diff --git a/libmemunreachable/tests/Binder_test.cpp b/libmemunreachable/tests/Binder_test.cpp
new file mode 100644
index 0000000..6e85d5a
--- /dev/null
+++ b/libmemunreachable/tests/Binder_test.cpp
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <signal.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <binder/Binder.h>
+#include <binder/IBinder.h>
+#include <binder/IServiceManager.h>
+#include <binder/Parcel.h>
+#include <binder/ProcessState.h>
+
+#include <gtest/gtest.h>
+
+#include "Allocator.h"
+#include "Binder.h"
+
+namespace android {
+
+static const String16 service_name("test.libmemunreachable_binder");
+
+class BinderService : public BBinder {
+ public:
+ BinderService() = default;
+ virtual ~BinderService() = default;
+
+ virtual status_t onTransact(uint32_t /*code*/, const Parcel& data, Parcel* reply,
+ uint32_t /*flags*/ = 0) {
+ reply->writeStrongBinder(ref);
+ ref = data.readStrongBinder();
+ return 0;
+ }
+
+ private:
+ sp<IBinder> ref;
+};
+
+class BinderObject : public BBinder {
+ public:
+ BinderObject() = default;
+ ~BinderObject() = default;
+};
+
+class ServiceProcess {
+ public:
+ ServiceProcess() : child_(0) {}
+ ~ServiceProcess() { Stop(); }
+
+ bool Run() {
+ pid_t ret = fork();
+ if (ret < 0) {
+ return false;
+ } else if (ret == 0) {
+ // child
+ _exit(Service());
+ } else {
+ // parent
+ child_ = ret;
+ return true;
+ }
+ }
+
+ bool Stop() {
+ if (child_ > 0) {
+ if (kill(child_, SIGTERM)) {
+ return false;
+ }
+ int status = 0;
+ if (TEMP_FAILURE_RETRY(waitpid(child_, &status, 0)) != child_) {
+ return false;
+ }
+ child_ = 0;
+ return WIFEXITED(status) && WEXITSTATUS(status) == 0;
+ }
+
+ return true;
+ }
+
+ int Service() {
+ sp<ProcessState> proc{ProcessState::self()};
+ sp<IServiceManager> sm = defaultServiceManager();
+ if (sm == nullptr) {
+ fprintf(stderr, "Failed to get service manager\n");
+ return 1;
+ }
+ if (sm->addService(service_name, new BinderService()) != OK) {
+ fprintf(stderr, "Failed to add test service\n");
+ return 1;
+ }
+ proc->startThreadPool();
+ pause();
+ return 0;
+ }
+
+ private:
+ pid_t child_;
+};
+
+class BinderTest : public ::testing::Test {
+ protected:
+ ServiceProcess service_process_;
+};
+
+TEST_F(BinderTest, binder) {
+ ServiceProcess service_process;
+ ASSERT_TRUE(service_process.Run());
+
+ sp<IServiceManager> sm = defaultServiceManager();
+ ASSERT_TRUE(sm != nullptr);
+
+ // A small sleep allows the service to start, which
+ // prevents a longer sleep in getService.
+ usleep(100000);
+
+ sp<IBinder> service = sm->getService(service_name);
+ ASSERT_TRUE(service != nullptr);
+
+ sp<IBinder> binder{new BinderObject()};
+
+ Parcel send;
+ Parcel reply;
+
+ send.writeStrongBinder(binder);
+ status_t rv = service->transact(0, send, &reply);
+ ASSERT_EQ(static_cast<status_t>(OK), rv);
+
+ Heap heap;
+ allocator::vector<uintptr_t> refs{heap};
+
+ ASSERT_TRUE(BinderReferences(refs));
+
+ bool found_ref = false;
+ for (auto ref : refs) {
+ if (ref == reinterpret_cast<uintptr_t>(binder.get())) {
+ found_ref = true;
+ }
+ }
+
+ ASSERT_TRUE(found_ref);
+}
+
+} // namespace android
diff --git a/libmetricslogger/Android.bp b/libmetricslogger/Android.bp
index 38859d1..c692d1f 100644
--- a/libmetricslogger/Android.bp
+++ b/libmetricslogger/Android.bp
@@ -7,7 +7,6 @@
cc_defaults {
name: "metricslogger_defaults",
- clang: true,
host_supported: true,
export_include_dirs: ["include"],
@@ -31,7 +30,6 @@
// -----------------------------------------------------------------------------
cc_library_shared {
name: "libmetricslogger",
- vendor_available: true,
srcs: metricslogger_lib_src_files,
defaults: ["metricslogger_defaults"],
}
diff --git a/libnativebridge/Android.bp b/libnativebridge/Android.bp
index 377b7dd..8b48a87 100644
--- a/libnativebridge/Android.bp
+++ b/libnativebridge/Android.bp
@@ -1,11 +1,19 @@
+cc_library_headers {
+ name: "libnativebridge-dummy-headers",
+
+ host_supported: true,
+ export_include_dirs=["include"],
+}
+
cc_library {
name: "libnativebridge",
host_supported: true,
srcs: ["native_bridge.cc"],
shared_libs: ["liblog"],
- clang: true,
+
+ export_include_dirs=["include"],
cflags: [
"-Werror",
@@ -23,4 +31,4 @@
},
}
-subdirs = ["tests"]
\ No newline at end of file
+subdirs = ["tests"]
diff --git a/include/nativebridge/native_bridge.h b/libnativebridge/include/nativebridge/native_bridge.h
similarity index 100%
rename from include/nativebridge/native_bridge.h
rename to libnativebridge/include/nativebridge/native_bridge.h
diff --git a/libnativebridge/tests/Android.bp b/libnativebridge/tests/Android.bp
index efd3978..e31dae0 100644
--- a/libnativebridge/tests/Android.bp
+++ b/libnativebridge/tests/Android.bp
@@ -23,6 +23,7 @@
"-Wextra",
"-Werror",
],
+ header_libs: ["libnativebridge-dummy-headers"],
cppflags: ["-fvisibility=protected"],
target: {
android: {
diff --git a/libnativebridge/tests/Android.mk b/libnativebridge/tests/Android.mk
index 70b3fcc..c1e65ff 100644
--- a/libnativebridge/tests/Android.mk
+++ b/libnativebridge/tests/Android.mk
@@ -34,7 +34,6 @@
$(foreach file,$(test_src_files), \
$(eval include $(CLEAR_VARS)) \
- $(eval LOCAL_CLANG := true) \
$(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
$(eval LOCAL_SRC_FILES := $(file)) \
$(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
@@ -43,7 +42,6 @@
$(foreach file,$(test_src_files), \
$(eval include $(CLEAR_VARS)) \
- $(eval LOCAL_CLANG := true) \
$(eval LOCAL_SHARED_LIBRARIES := $(shared_libraries)) \
$(eval LOCAL_SRC_FILES := $(file)) \
$(eval LOCAL_MODULE := $(notdir $(file:%.cpp=%))) \
diff --git a/libnativeloader/Android.bp b/libnativeloader/Android.bp
index c1133fb..13f9744 100644
--- a/libnativeloader/Android.bp
+++ b/libnativeloader/Android.bp
@@ -19,7 +19,6 @@
host_ldlibs: ["-ldl"],
},
},
- clang: true,
cflags: [
"-Werror",
"-Wall",
diff --git a/libnativeloader/native_loader.cpp b/libnativeloader/native_loader.cpp
index 36a2e44..7ccd7db 100644
--- a/libnativeloader/native_loader.cpp
+++ b/libnativeloader/native_loader.cpp
@@ -15,7 +15,7 @@
*/
#include "nativeloader/native_loader.h"
-#include "ScopedUtfChars.h"
+#include <nativehelper/ScopedUtfChars.h>
#include <dlfcn.h>
#ifdef __ANDROID__
diff --git a/libpackagelistparser/Android.bp b/libpackagelistparser/Android.bp
index 70ff528..a9fec7d 100644
--- a/libpackagelistparser/Android.bp
+++ b/libpackagelistparser/Android.bp
@@ -6,7 +6,6 @@
local_include_dirs: ["include"],
export_include_dirs: ["include"],
- clang: true,
sanitize: {
misc_undefined: ["integer"],
},
diff --git a/libprocessgroup/include/processgroup/processgroup.h b/libprocessgroup/include/processgroup/processgroup.h
index f0c3795..9fa4154 100644
--- a/libprocessgroup/include/processgroup/processgroup.h
+++ b/libprocessgroup/include/processgroup/processgroup.h
@@ -33,6 +33,10 @@
int createProcessGroup(uid_t uid, int initialPid);
+bool setProcessGroupSwappiness(uid_t uid, int initialPid, int swappiness);
+bool setProcessGroupSoftLimit(uid_t uid, int initialPid, int64_t softLimitInBytes);
+bool setProcessGroupLimit(uid_t uid, int initialPid, int64_t limitInBytes);
+
void removeAllProcessGroups(void);
__END_DECLS
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index 9b8248e..8526b3a 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -35,12 +35,15 @@
#include <set>
#include <thread>
+#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/unique_fd.h>
#include <private/android_filesystem_config.h>
#include <processgroup/processgroup.h>
+using android::base::WriteStringToFile;
+
using namespace std::chrono_literals;
#define MEM_CGROUP_PATH "/dev/memcg/apps"
@@ -402,22 +405,40 @@
strlcat(path, PROCESSGROUP_CGROUP_PROCS_FILE, sizeof(path));
- int fd = open(path, O_WRONLY);
- if (fd == -1) {
- int ret = -errno;
- PLOG(ERROR) << "Failed to open " << path;
- return ret;
- }
-
- char pid[PROCESSGROUP_MAX_PID_LEN + 1] = {0};
- int len = snprintf(pid, sizeof(pid), "%d", initialPid);
-
int ret = 0;
- if (write(fd, pid, len) < 0) {
+ if (!WriteStringToFile(std::to_string(initialPid), path)) {
ret = -errno;
- PLOG(ERROR) << "Failed to write '" << pid << "' to " << path;
+ PLOG(ERROR) << "Failed to write '" << initialPid << "' to " << path;
}
- close(fd);
return ret;
}
+
+static bool setProcessGroupValue(uid_t uid, int pid, const char* fileName, int64_t value) {
+ char path[PROCESSGROUP_MAX_PATH_LEN] = {0};
+ if (strcmp(getCgroupRootPath(), MEM_CGROUP_PATH)) {
+ PLOG(ERROR) << "Memcg is not mounted." << path;
+ return false;
+ }
+
+ convertUidPidToPath(path, sizeof(path), uid, pid);
+ strlcat(path, fileName, sizeof(path));
+
+ if (!WriteStringToFile(std::to_string(value), path)) {
+ PLOG(ERROR) << "Failed to write '" << value << "' to " << path;
+ return false;
+ }
+ return true;
+}
+
+bool setProcessGroupSwappiness(uid_t uid, int pid, int swappiness) {
+ return setProcessGroupValue(uid, pid, "/memory.swappiness", swappiness);
+}
+
+bool setProcessGroupSoftLimit(uid_t uid, int pid, int64_t soft_limit_in_bytes) {
+ return setProcessGroupValue(uid, pid, "/memory.soft_limit_in_bytes", soft_limit_in_bytes);
+}
+
+bool setProcessGroupLimit(uid_t uid, int pid, int64_t limit_in_bytes) {
+ return setProcessGroupValue(uid, pid, "/memory.limit_in_bytes", limit_in_bytes);
+}
diff --git a/libsync/Android.bp b/libsync/Android.bp
index 257d42d..1646348 100644
--- a/libsync/Android.bp
+++ b/libsync/Android.bp
@@ -52,5 +52,4 @@
"-Wno-missing-field-initializers",
"-Wno-sign-compare",
],
- clang: true,
}
diff --git a/libsysutils/src/FrameworkListener.cpp b/libsysutils/src/FrameworkListener.cpp
index 6f76e76..87e2684 100644
--- a/libsysutils/src/FrameworkListener.cpp
+++ b/libsysutils/src/FrameworkListener.cpp
@@ -211,7 +211,6 @@
return;
overflow:
- LOG_EVENT_INT(78001, cli->getUid());
cli->sendMsg(500, "Command too long", false);
goto out;
}
diff --git a/libsysutils/src/NetlinkListener.cpp b/libsysutils/src/NetlinkListener.cpp
index 896dad3..aad0394 100644
--- a/libsysutils/src/NetlinkListener.cpp
+++ b/libsysutils/src/NetlinkListener.cpp
@@ -57,8 +57,6 @@
count = TEMP_FAILURE_RETRY(uevent_kernel_recv(socket,
mBuffer, sizeof(mBuffer), require_group, &uid));
if (count < 0) {
- if (uid > 0)
- LOG_EVENT_INT(65537, uid);
SLOGE("recvmsg failed (%s)", strerror(errno));
return false;
}
diff --git a/libunwindstack/Android.bp b/libunwindstack/Android.bp
index 8776db7..04c4cfa 100644
--- a/libunwindstack/Android.bp
+++ b/libunwindstack/Android.bp
@@ -31,19 +31,20 @@
},
},
- multilib: {
- lib32: {
- suffix: "32",
+ arch: {
+ mips: {
+ enabled: false,
},
- lib64: {
- suffix: "64",
+ mips64: {
+ enabled: false,
},
},
}
-cc_defaults {
- name: "libunwindstack_common",
+cc_library {
+ name: "libunwindstack",
defaults: ["libunwindstack_flags"],
+ export_include_dirs: ["include"],
srcs: [
"ArmExidx.cpp",
@@ -64,6 +65,15 @@
"Symbols.cpp",
],
+ arch: {
+ x86: {
+ srcs: ["AsmGetRegsX86.S"],
+ },
+ x86_64: {
+ srcs: ["AsmGetRegsX86_64.S"],
+ },
+ },
+
shared_libs: [
"libbase",
"liblog",
@@ -71,16 +81,11 @@
],
}
-cc_library {
- name: "libunwindstack",
- defaults: ["libunwindstack_common"],
-}
-
//-------------------------------------------------------------------------
// Unit Tests
//-------------------------------------------------------------------------
-cc_defaults {
- name: "libunwindstack_test_common",
+cc_test {
+ name: "libunwindstack_test",
defaults: ["libunwindstack_flags"],
srcs: [
@@ -98,16 +103,22 @@
"tests/ElfInterfaceArmTest.cpp",
"tests/ElfInterfaceTest.cpp",
"tests/ElfTest.cpp",
+ "tests/ElfTestUtils.cpp",
"tests/LogFake.cpp",
- "tests/MapInfoTest.cpp",
+ "tests/MapInfoCreateMemoryTest.cpp",
+ "tests/MapInfoGetElfTest.cpp",
"tests/MapsTest.cpp",
+ "tests/MemoryBufferTest.cpp",
"tests/MemoryFake.cpp",
"tests/MemoryFileTest.cpp",
"tests/MemoryLocalTest.cpp",
"tests/MemoryRangeTest.cpp",
"tests/MemoryRemoteTest.cpp",
+ "tests/MemoryTest.cpp",
+ "tests/RegsStepIfSignalHandlerTest.cpp",
"tests/RegsTest.cpp",
"tests/SymbolsTest.cpp",
+ "tests/UnwindTest.cpp",
],
cflags: [
@@ -119,6 +130,7 @@
"libbase",
"liblog",
"liblzma",
+ "libunwindstack",
],
static_libs: [
@@ -132,28 +144,18 @@
],
},
},
-}
-
-// These unit tests run against the shared library.
-cc_test {
- name: "libunwindstack_test",
- defaults: ["libunwindstack_test_common"],
-
- shared_libs: [
- "libunwindstack",
- ],
data: [
- "tests/elf32.xz",
- "tests/elf64.xz",
+ "tests/files/elf32.xz",
+ "tests/files/elf64.xz",
],
}
//-------------------------------------------------------------------------
-// Utility Executables
+// Tools
//-------------------------------------------------------------------------
cc_defaults {
- name: "libunwindstack_executables",
+ name: "libunwindstack_tools",
defaults: ["libunwindstack_flags"],
shared_libs: [
@@ -161,20 +163,40 @@
"libbase",
"liblzma",
],
+}
- static_libs: [
- "liblog",
+cc_binary {
+ name: "unwind",
+ defaults: ["libunwindstack_tools"],
+
+ srcs: [
+ "tools/unwind.cpp",
],
- compile_multilib: "both",
+ target: {
+ linux: {
+ host_ldlibs: [
+ "-lrt",
+ ],
+ },
+ },
}
cc_binary {
name: "unwind_info",
- defaults: ["libunwindstack_executables"],
+ defaults: ["libunwindstack_tools"],
srcs: [
- "unwind_info.cpp",
+ "tools/unwind_info.cpp",
+ ],
+}
+
+cc_binary {
+ name: "unwind_symbols",
+ defaults: ["libunwindstack_tools"],
+
+ srcs: [
+ "tools/unwind_symbols.cpp",
],
}
@@ -182,20 +204,9 @@
// Once these files are generated, use the xz command to compress the data.
cc_binary_host {
name: "gen_gnudebugdata",
-
- cflags: [
- "-Wall",
- "-Werror",
- "-Wextra",
- ],
+ defaults: ["libunwindstack_flags"],
srcs: [
"tests/GenGnuDebugdata.cpp",
],
-
- target: {
- darwin: {
- enabled: false,
- },
- },
}
diff --git a/libunwindstack/ArmExidx.cpp b/libunwindstack/ArmExidx.cpp
index 5c7caca..fed3e0e 100644
--- a/libunwindstack/ArmExidx.cpp
+++ b/libunwindstack/ArmExidx.cpp
@@ -21,12 +21,15 @@
#include <android-base/stringprintf.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "ArmExidx.h"
#include "Check.h"
-#include "Log.h"
#include "Machine.h"
-#include "Memory.h"
-#include "Regs.h"
+
+namespace unwindstack {
void ArmExidx::LogRawData() {
std::string log_str("Raw Data:");
@@ -684,3 +687,5 @@
while (Decode());
return status_ == ARM_STATUS_FINISH;
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/ArmExidx.h b/libunwindstack/ArmExidx.h
index 8c7f15a..f4361d4 100644
--- a/libunwindstack/ArmExidx.h
+++ b/libunwindstack/ArmExidx.h
@@ -21,6 +21,8 @@
#include <deque>
+namespace unwindstack {
+
// Forward declarations.
class Memory;
class RegsArm;
@@ -105,4 +107,6 @@
bool pc_set_ = false;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_ARM_EXIDX_H
diff --git a/libunwindstack/AsmGetRegsX86.S b/libunwindstack/AsmGetRegsX86.S
new file mode 100644
index 0000000..14927a3
--- /dev/null
+++ b/libunwindstack/AsmGetRegsX86.S
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .text
+ .global AsmGetRegs
+ .balign 16
+ .type AsmGetRegs, @function
+AsmGetRegs:
+ .cfi_startproc
+ mov 4(%esp), %eax
+ movl $0, (%eax)
+ movl %ecx, 4(%eax)
+ movl %edx, 8(%eax)
+ movl %ebx, 12(%eax)
+
+ /* ESP */
+ leal 4(%esp), %ecx
+ movl %ecx, 16(%eax)
+
+ movl %ebp, 20(%eax)
+ movl %esi, 24(%eax)
+ movl %edi, 28(%eax)
+
+ /* EIP */
+ movl (%esp), %ecx
+ movl %ecx, 32(%eax)
+
+ movl %cs, 36(%eax)
+ movl %ss, 40(%eax)
+ movl %ds, 44(%eax)
+ movl %es, 48(%eax)
+ movl %fs, 52(%eax)
+ movl %gs, 56(%eax)
+ ret
+
+ .cfi_endproc
+ .size AsmGetRegs, .-AsmGetRegs
diff --git a/libunwindstack/AsmGetRegsX86_64.S b/libunwindstack/AsmGetRegsX86_64.S
new file mode 100644
index 0000000..4cd3b6f
--- /dev/null
+++ b/libunwindstack/AsmGetRegsX86_64.S
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+ .text
+ .global AsmGetRegs
+ .balign 16
+ .type AsmGetRegs, @function
+AsmGetRegs:
+ .cfi_startproc
+ movq %rax, (%rdi)
+ movq %rdx, 8(%rdi)
+ movq %rcx, 16(%rdi)
+ movq %rbx, 24(%rdi)
+ movq %rsi, 32(%rdi)
+ movq %rdi, 40(%rdi)
+ movq %rbp, 48(%rdi)
+
+ /* RSP */
+ lea 8(%rsp), %rax
+ movq %rax, 56(%rdi)
+
+ movq %r8, 64(%rdi)
+ movq %r9, 72(%rdi)
+ movq %r10, 80(%rdi)
+ movq %r11, 88(%rdi)
+ movq %r12, 96(%rdi)
+ movq %r13, 104(%rdi)
+ movq %r14, 112(%rdi)
+ movq %r15, 120(%rdi)
+
+ /* RIP */
+ movq (%rsp), %rax
+ movq %rax, 128(%rdi)
+ ret
+
+ .cfi_endproc
+ .size AsmGetRegs, .-AsmGetRegs
diff --git a/libunwindstack/Check.h b/libunwindstack/Check.h
index e0c48c7..2d216d7 100644
--- a/libunwindstack/Check.h
+++ b/libunwindstack/Check.h
@@ -19,7 +19,9 @@
#include <stdlib.h>
-#include "Log.h"
+#include <unwindstack/Log.h>
+
+namespace unwindstack {
#define CHECK(assertion) \
if (__builtin_expect(!(assertion), false)) { \
@@ -27,4 +29,6 @@
abort(); \
}
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_ERROR_H
diff --git a/libunwindstack/DwarfCfa.cpp b/libunwindstack/DwarfCfa.cpp
index 006f039..b1d55ba 100644
--- a/libunwindstack/DwarfCfa.cpp
+++ b/libunwindstack/DwarfCfa.cpp
@@ -23,12 +23,15 @@
#include <android-base/stringprintf.h>
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/Log.h>
+
#include "DwarfCfa.h"
#include "DwarfEncoding.h"
-#include "DwarfMemory.h"
+#include "DwarfError.h"
#include "DwarfOp.h"
-#include "DwarfStructs.h"
-#include "Log.h"
+
+namespace unwindstack {
template <typename AddressType>
constexpr typename DwarfCfa<AddressType>::process_func DwarfCfa<AddressType>::kCallbackTable[64];
@@ -711,3 +714,5 @@
// Explicitly instantiate DwarfCfa.
template class DwarfCfa<uint32_t>;
template class DwarfCfa<uint64_t>;
+
+} // namespace unwindstack
diff --git a/libunwindstack/DwarfCfa.h b/libunwindstack/DwarfCfa.h
index 42ebae1..62b9b7a 100644
--- a/libunwindstack/DwarfCfa.h
+++ b/libunwindstack/DwarfCfa.h
@@ -24,10 +24,13 @@
#include <type_traits>
#include <vector>
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/DwarfStructs.h>
+
#include "DwarfError.h"
-#include "DwarfLocation.h"
-#include "DwarfMemory.h"
-#include "DwarfStructs.h"
+
+namespace unwindstack {
// DWARF Standard home: http://dwarfstd.org/
// This code is based on DWARF 4: http://http://dwarfstd.org/doc/DWARF4.pdf
@@ -252,4 +255,6 @@
};
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_CFA_H
diff --git a/libunwindstack/DwarfDebugFrame.cpp b/libunwindstack/DwarfDebugFrame.cpp
index 3ac02fc..5707596 100644
--- a/libunwindstack/DwarfDebugFrame.cpp
+++ b/libunwindstack/DwarfDebugFrame.cpp
@@ -19,11 +19,14 @@
#include <algorithm>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Memory.h>
+
#include "DwarfDebugFrame.h"
-#include "DwarfMemory.h"
-#include "DwarfSection.h"
-#include "DwarfStructs.h"
-#include "Memory.h"
+#include "DwarfEncoding.h"
+#include "DwarfError.h"
+
+namespace unwindstack {
template <typename AddressType>
bool DwarfDebugFrame<AddressType>::Init(uint64_t offset, uint64_t size) {
@@ -309,3 +312,5 @@
// Explicitly instantiate DwarfDebugFrame.
template class DwarfDebugFrame<uint32_t>;
template class DwarfDebugFrame<uint64_t>;
+
+} // namespace unwindstack
diff --git a/libunwindstack/DwarfDebugFrame.h b/libunwindstack/DwarfDebugFrame.h
index 320368c..6a6178e 100644
--- a/libunwindstack/DwarfDebugFrame.h
+++ b/libunwindstack/DwarfDebugFrame.h
@@ -21,7 +21,9 @@
#include <vector>
-#include "DwarfSection.h"
+#include <unwindstack/DwarfSection.h>
+
+namespace unwindstack {
template <typename AddressType>
class DwarfDebugFrame : public DwarfSectionImpl<AddressType> {
@@ -73,4 +75,6 @@
std::vector<FdeInfo> fdes_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_DEBUG_FRAME_H
diff --git a/libunwindstack/DwarfEhFrame.cpp b/libunwindstack/DwarfEhFrame.cpp
index 937b6bd..d0b35c3 100644
--- a/libunwindstack/DwarfEhFrame.cpp
+++ b/libunwindstack/DwarfEhFrame.cpp
@@ -16,12 +16,14 @@
#include <stdint.h>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Memory.h>
+
#include "Check.h"
#include "DwarfEhFrame.h"
-#include "DwarfMemory.h"
-#include "DwarfSection.h"
-#include "DwarfStructs.h"
-#include "Memory.h"
+#include "DwarfError.h"
+
+namespace unwindstack {
template <typename AddressType>
bool DwarfEhFrame<AddressType>::Init(uint64_t offset, uint64_t size) {
@@ -211,3 +213,5 @@
// Explicitly instantiate DwarfEhFrame.
template class DwarfEhFrame<uint32_t>;
template class DwarfEhFrame<uint64_t>;
+
+} // namespace unwindstack
diff --git a/libunwindstack/DwarfEhFrame.h b/libunwindstack/DwarfEhFrame.h
index e6909ed..4207b42 100644
--- a/libunwindstack/DwarfEhFrame.h
+++ b/libunwindstack/DwarfEhFrame.h
@@ -19,7 +19,9 @@
#include <stdint.h>
-#include "DwarfSection.h"
+#include <unwindstack/DwarfSection.h>
+
+namespace unwindstack {
// Forward declarations.
class Memory;
@@ -86,4 +88,6 @@
std::unordered_map<uint64_t, FdeInfo> fde_info_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_EH_FRAME_H
diff --git a/libunwindstack/DwarfEncoding.h b/libunwindstack/DwarfEncoding.h
index 0ff3b8c..20db222 100644
--- a/libunwindstack/DwarfEncoding.h
+++ b/libunwindstack/DwarfEncoding.h
@@ -19,6 +19,8 @@
#include <stdint.h>
+namespace unwindstack {
+
enum DwarfEncoding : uint8_t {
DW_EH_PE_omit = 0xff,
@@ -44,4 +46,6 @@
DW_EH_PE_block = 0x0f,
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_ENCODING_H
diff --git a/libunwindstack/DwarfError.h b/libunwindstack/DwarfError.h
index c00f17d..54199b8 100644
--- a/libunwindstack/DwarfError.h
+++ b/libunwindstack/DwarfError.h
@@ -19,6 +19,8 @@
#include <stdint.h>
+namespace unwindstack {
+
enum DwarfError : uint8_t {
DWARF_ERROR_NONE,
DWARF_ERROR_MEMORY_INVALID,
@@ -31,4 +33,6 @@
DWARF_ERROR_UNSUPPORTED_VERSION,
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_ERROR_H
diff --git a/libunwindstack/DwarfMemory.cpp b/libunwindstack/DwarfMemory.cpp
index a984fc6..b6e0412 100644
--- a/libunwindstack/DwarfMemory.cpp
+++ b/libunwindstack/DwarfMemory.cpp
@@ -18,10 +18,13 @@
#include <string>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/Memory.h>
+
#include "Check.h"
#include "DwarfEncoding.h"
-#include "DwarfMemory.h"
-#include "Memory.h"
+
+namespace unwindstack {
bool DwarfMemory::ReadBytes(void* dst, size_t num_bytes) {
if (!memory_->Read(cur_offset_, dst, num_bytes)) {
@@ -246,3 +249,5 @@
template bool DwarfMemory::ReadEncodedValue<uint32_t>(uint8_t, uint64_t*);
template bool DwarfMemory::ReadEncodedValue<uint64_t>(uint8_t, uint64_t*);
+
+} // namespace unwindstack
diff --git a/libunwindstack/DwarfOp.cpp b/libunwindstack/DwarfOp.cpp
index 507ca08..b3fd0df 100644
--- a/libunwindstack/DwarfOp.cpp
+++ b/libunwindstack/DwarfOp.cpp
@@ -22,12 +22,15 @@
#include <android-base/stringprintf.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "DwarfError.h"
-#include "DwarfMemory.h"
#include "DwarfOp.h"
-#include "Log.h"
-#include "Memory.h"
-#include "Regs.h"
+
+namespace unwindstack {
template <typename AddressType>
constexpr typename DwarfOp<AddressType>::OpCallback DwarfOp<AddressType>::kCallbackTable[256];
@@ -460,3 +463,5 @@
// Explicitly instantiate DwarfOp.
template class DwarfOp<uint32_t>;
template class DwarfOp<uint64_t>;
+
+} // namespace unwindstack
diff --git a/libunwindstack/DwarfOp.h b/libunwindstack/DwarfOp.h
index 0f4b36d..c29bf35 100644
--- a/libunwindstack/DwarfOp.h
+++ b/libunwindstack/DwarfOp.h
@@ -25,6 +25,9 @@
#include <vector>
#include "DwarfEncoding.h"
+#include "DwarfError.h"
+
+namespace unwindstack {
enum DwarfVersion : uint8_t {
DWARF_VERSION_2 = 2,
@@ -1633,4 +1636,6 @@
};
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_OP_H
diff --git a/libunwindstack/DwarfSection.cpp b/libunwindstack/DwarfSection.cpp
index 4c98aa3..1234eb1 100644
--- a/libunwindstack/DwarfSection.cpp
+++ b/libunwindstack/DwarfSection.cpp
@@ -16,16 +16,22 @@
#include <stdint.h>
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/DwarfSection.h>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "DwarfCfa.h"
+#include "DwarfEncoding.h"
#include "DwarfError.h"
-#include "DwarfLocation.h"
-#include "DwarfMemory.h"
#include "DwarfOp.h"
-#include "DwarfSection.h"
-#include "DwarfStructs.h"
-#include "Log.h"
-#include "Memory.h"
-#include "Regs.h"
+
+namespace unwindstack {
+
+DwarfSection::DwarfSection(Memory* memory) : memory_(memory), last_error_(DWARF_ERROR_NONE) {}
const DwarfFde* DwarfSection::GetFdeFromPc(uint64_t pc) {
uint64_t fde_offset;
@@ -42,6 +48,7 @@
}
bool DwarfSection::Step(uint64_t pc, Regs* regs, Memory* process_memory) {
+ last_error_ = DWARF_ERROR_NONE;
const DwarfFde* fde = GetFdeFromPc(pc);
if (fde == nullptr || fde->cie == nullptr) {
last_error_ = DWARF_ERROR_ILLEGAL_STATE;
@@ -248,6 +255,9 @@
last_error_ = DWARF_ERROR_MEMORY_INVALID;
return false;
}
+ // Set the default for the lsda encoding.
+ cie->lsda_encoding = DW_EH_PE_omit;
+
if (length32 == static_cast<uint32_t>(-1)) {
// 64 bit Cie
uint64_t length64;
@@ -541,3 +551,5 @@
// Explicitly instantiate DwarfSectionImpl
template class DwarfSectionImpl<uint32_t>;
template class DwarfSectionImpl<uint64_t>;
+
+} // namespace unwindstack
diff --git a/libunwindstack/Elf.cpp b/libunwindstack/Elf.cpp
index ad1447a..4fc7c67 100644
--- a/libunwindstack/Elf.cpp
+++ b/libunwindstack/Elf.cpp
@@ -23,12 +23,17 @@
#define LOG_TAG "unwind"
#include <log/log.h>
-#include "Elf.h"
-#include "ElfInterface.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "ElfInterfaceArm.h"
#include "Machine.h"
-#include "Memory.h"
-#include "Regs.h"
+#include "Symbols.h"
+
+namespace unwindstack {
bool Elf::Init() {
if (!memory_) {
@@ -71,6 +76,37 @@
}
}
+bool Elf::GetSoname(std::string* name) {
+ return valid_ && interface_->GetSoname(name);
+}
+
+uint64_t Elf::GetRelPc(uint64_t pc, const MapInfo* map_info) {
+ uint64_t load_bias = 0;
+ if (valid()) {
+ load_bias = interface_->load_bias();
+ }
+
+ return pc - map_info->start + load_bias + map_info->elf_offset;
+}
+
+bool Elf::GetFunctionName(uint64_t addr, std::string* name, uint64_t* func_offset) {
+ return valid_ && (interface_->GetFunctionName(addr, name, func_offset) ||
+ (gnu_debugdata_interface_ &&
+ gnu_debugdata_interface_->GetFunctionName(addr, name, func_offset)));
+}
+
+bool Elf::Step(uint64_t rel_pc, Regs* regs, Memory* process_memory) {
+ return valid_ && (regs->StepIfSignalHandler(rel_pc, this, process_memory) ||
+ interface_->Step(rel_pc, regs, process_memory) ||
+ (gnu_debugdata_interface_ &&
+ gnu_debugdata_interface_->Step(rel_pc, regs, process_memory)));
+}
+
+uint64_t Elf::GetLoadBias() {
+ if (!valid_) return 0;
+ return interface_->load_bias();
+}
+
bool Elf::IsValidElf(Memory* memory) {
if (memory == nullptr) {
return false;
@@ -112,24 +148,27 @@
machine_type_ = e_machine;
if (e_machine == EM_ARM) {
interface.reset(new ElfInterfaceArm(memory));
- } else {
+ } else if (e_machine == EM_386) {
interface.reset(new ElfInterface32(memory));
+ } else {
+ ALOGI("32 bit elf that is neither arm nor x86: e_machine = %d\n", e_machine);
+ return nullptr;
}
} else if (class_type_ == ELFCLASS64) {
Elf64_Half e_machine;
if (!memory->Read(EI_NIDENT + sizeof(Elf64_Half), &e_machine, sizeof(e_machine))) {
return nullptr;
}
-
if (e_machine != EM_AARCH64 && e_machine != EM_X86_64) {
// Unsupported.
ALOGI("64 bit elf that is neither aarch64 nor x86_64: e_machine = %d\n", e_machine);
return nullptr;
}
-
machine_type_ = e_machine;
interface.reset(new ElfInterface64(memory));
}
return interface.release();
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/ElfInterface.cpp b/libunwindstack/ElfInterface.cpp
index 7d38ee0..75abc85 100644
--- a/libunwindstack/ElfInterface.cpp
+++ b/libunwindstack/ElfInterface.cpp
@@ -24,15 +24,18 @@
#include <Xz.h>
#include <XzCrc64.h>
+#include <unwindstack/DwarfSection.h>
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "DwarfDebugFrame.h"
#include "DwarfEhFrame.h"
-#include "DwarfSection.h"
-#include "ElfInterface.h"
-#include "Log.h"
-#include "Memory.h"
-#include "Regs.h"
#include "Symbols.h"
+namespace unwindstack {
+
ElfInterface::~ElfInterface() {
for (auto symbol : symbols_) {
delete symbol;
@@ -387,3 +390,5 @@
uint64_t*);
template bool ElfInterface::GetFunctionNameWithTemplate<Elf64_Sym>(uint64_t, std::string*,
uint64_t*);
+
+} // namespace unwindstack
diff --git a/libunwindstack/ElfInterfaceArm.cpp b/libunwindstack/ElfInterfaceArm.cpp
index bab84cc..66bc51f 100644
--- a/libunwindstack/ElfInterfaceArm.cpp
+++ b/libunwindstack/ElfInterfaceArm.cpp
@@ -17,12 +17,14 @@
#include <elf.h>
#include <stdint.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "ArmExidx.h"
-#include "ElfInterface.h"
#include "ElfInterfaceArm.h"
#include "Machine.h"
-#include "Memory.h"
-#include "Regs.h"
+
+namespace unwindstack {
bool ElfInterfaceArm::FindEntry(uint32_t pc, uint64_t* entry_offset) {
if (start_offset_ == 0 || total_entries_ == 0) {
@@ -127,3 +129,5 @@
}
return false;
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/ElfInterfaceArm.h b/libunwindstack/ElfInterfaceArm.h
index ece694f..1f4e8cb 100644
--- a/libunwindstack/ElfInterfaceArm.h
+++ b/libunwindstack/ElfInterfaceArm.h
@@ -23,8 +23,10 @@
#include <iterator>
#include <unordered_map>
-#include "ElfInterface.h"
-#include "Memory.h"
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
class ElfInterfaceArm : public ElfInterface32 {
public:
@@ -87,4 +89,6 @@
std::unordered_map<size_t, uint32_t> addrs_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_ELF_INTERFACE_ARM_H
diff --git a/libunwindstack/Log.cpp b/libunwindstack/Log.cpp
index faeb66c..436e23c 100644
--- a/libunwindstack/Log.cpp
+++ b/libunwindstack/Log.cpp
@@ -25,7 +25,9 @@
#include <android-base/stringprintf.h>
-#include "Log.h"
+#include <unwindstack/Log.h>
+
+namespace unwindstack {
static bool g_print_to_stdout = false;
@@ -51,3 +53,5 @@
}
va_end(args);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/Machine.h b/libunwindstack/Machine.h
index 323ce80..1fb9309 100644
--- a/libunwindstack/Machine.h
+++ b/libunwindstack/Machine.h
@@ -19,6 +19,8 @@
#include <stdint.h>
+namespace unwindstack {
+
enum ArmReg : uint16_t {
ARM_REG_R0 = 0,
ARM_REG_R1,
@@ -83,51 +85,57 @@
ARM64_REG_LR = ARM64_REG_R30,
};
+// Matches the numbers for the registers as generated by compilers.
+// If this is changed, then unwinding will fail.
enum X86Reg : uint16_t {
X86_REG_EAX = 0,
- X86_REG_ECX,
- X86_REG_EDX,
- X86_REG_EBX,
- X86_REG_ESP,
- X86_REG_EBP,
- X86_REG_ESI,
- X86_REG_EDI,
- X86_REG_EIP,
- X86_REG_EFL,
- X86_REG_CS,
- X86_REG_SS,
- X86_REG_DS,
- X86_REG_ES,
- X86_REG_FS,
- X86_REG_GS,
+ X86_REG_ECX = 1,
+ X86_REG_EDX = 2,
+ X86_REG_EBX = 3,
+ X86_REG_ESP = 4,
+ X86_REG_EBP = 5,
+ X86_REG_ESI = 6,
+ X86_REG_EDI = 7,
+ X86_REG_EIP = 8,
+ X86_REG_EFL = 9,
+ X86_REG_CS = 10,
+ X86_REG_SS = 11,
+ X86_REG_DS = 12,
+ X86_REG_ES = 13,
+ X86_REG_FS = 14,
+ X86_REG_GS = 15,
X86_REG_LAST,
X86_REG_SP = X86_REG_ESP,
X86_REG_PC = X86_REG_EIP,
};
+// Matches the numbers for the registers as generated by compilers.
+// If this is changed, then unwinding will fail.
enum X86_64Reg : uint16_t {
X86_64_REG_RAX = 0,
- X86_64_REG_RDX,
- X86_64_REG_RCX,
- X86_64_REG_RBX,
- X86_64_REG_RSI,
- X86_64_REG_RDI,
- X86_64_REG_RBP,
- X86_64_REG_RSP,
- X86_64_REG_R8,
- X86_64_REG_R9,
- X86_64_REG_R10,
- X86_64_REG_R11,
- X86_64_REG_R12,
- X86_64_REG_R13,
- X86_64_REG_R14,
- X86_64_REG_R15,
- X86_64_REG_RIP,
+ X86_64_REG_RDX = 1,
+ X86_64_REG_RCX = 2,
+ X86_64_REG_RBX = 3,
+ X86_64_REG_RSI = 4,
+ X86_64_REG_RDI = 5,
+ X86_64_REG_RBP = 6,
+ X86_64_REG_RSP = 7,
+ X86_64_REG_R8 = 8,
+ X86_64_REG_R9 = 9,
+ X86_64_REG_R10 = 10,
+ X86_64_REG_R11 = 11,
+ X86_64_REG_R12 = 12,
+ X86_64_REG_R13 = 13,
+ X86_64_REG_R14 = 14,
+ X86_64_REG_R15 = 15,
+ X86_64_REG_RIP = 16,
X86_64_REG_LAST,
X86_64_REG_SP = X86_64_REG_RSP,
X86_64_REG_PC = X86_64_REG_RIP,
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_MACHINE_H
diff --git a/libunwindstack/MapInfo.cpp b/libunwindstack/MapInfo.cpp
index 051f700..d0e1216 100644
--- a/libunwindstack/MapInfo.cpp
+++ b/libunwindstack/MapInfo.cpp
@@ -20,10 +20,12 @@
#include <memory>
#include <string>
-#include "Elf.h"
-#include "MapInfo.h"
-#include "Maps.h"
-#include "Memory.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Maps.h>
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
Memory* MapInfo::CreateMemory(pid_t pid) {
if (end <= start) {
@@ -73,14 +75,18 @@
return new MemoryRange(memory, start, end);
}
-Elf* MapInfo::GetElf(pid_t pid, bool) {
+Elf* MapInfo::GetElf(pid_t pid, bool init_gnu_debugdata) {
if (elf) {
return elf;
}
elf = new Elf(CreateMemory(pid));
- elf->Init();
+ if (elf->Init() && init_gnu_debugdata) {
+ elf->InitGnuDebugdata();
+ }
// If the init fails, keep the elf around as an invalid object so we
// don't try to reinit the object.
return elf;
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/Maps.cpp b/libunwindstack/Maps.cpp
index b869918..8a90423 100644
--- a/libunwindstack/Maps.cpp
+++ b/libunwindstack/Maps.cpp
@@ -29,7 +29,11 @@
#include <string>
#include <vector>
-#include "Maps.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/Maps.h>
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
MapInfo* Maps::Find(uint64_t pc) {
if (maps_.empty()) {
@@ -196,3 +200,5 @@
}
return true;
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/Memory.cpp b/libunwindstack/Memory.cpp
index 9e46509..8c36055 100644
--- a/libunwindstack/Memory.cpp
+++ b/libunwindstack/Memory.cpp
@@ -28,7 +28,11 @@
#include <android-base/unique_fd.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
+
+#include "Check.h"
+
+namespace unwindstack {
bool Memory::ReadString(uint64_t addr, std::string* string, uint64_t max_read) {
string->clear();
@@ -245,6 +249,11 @@
return true;
}
+MemoryRange::MemoryRange(Memory* memory, uint64_t begin, uint64_t end)
+ : memory_(memory), begin_(begin), length_(end - begin) {
+ CHECK(end > begin);
+}
+
bool MemoryRange::Read(uint64_t addr, void* dst, size_t size) {
uint64_t max_read;
if (__builtin_add_overflow(addr, size, &max_read) || max_read > length_) {
@@ -253,3 +262,5 @@
// The check above guarantees that addr + begin_ will not overflow.
return memory_->Read(addr + begin_, dst, size);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/Regs.cpp b/libunwindstack/Regs.cpp
index da22b07..dea7b87 100644
--- a/libunwindstack/Regs.cpp
+++ b/libunwindstack/Regs.cpp
@@ -21,23 +21,17 @@
#include <vector>
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
#include "Check.h"
-#include "Elf.h"
-#include "ElfInterface.h"
#include "Machine.h"
-#include "MapInfo.h"
-#include "Regs.h"
+#include "Ucontext.h"
#include "User.h"
-template <typename AddressType>
-uint64_t RegsImpl<AddressType>::GetRelPc(Elf* elf, const MapInfo* map_info) {
- uint64_t load_bias = 0;
- if (elf->valid()) {
- load_bias = elf->interface()->load_bias();
- }
-
- return pc_ - map_info->start + load_bias + map_info->elf_offset;
-}
+namespace unwindstack {
template <typename AddressType>
bool RegsImpl<AddressType>::GetReturnAddressFromDefault(Memory* memory, uint64_t* value) {
@@ -88,6 +82,11 @@
return rel_pc - 4;
}
+void RegsArm::SetFromRaw() {
+ set_pc(regs_[ARM_REG_PC]);
+ set_sp(regs_[ARM_REG_SP]);
+}
+
RegsArm64::RegsArm64()
: RegsImpl<uint64_t>(ARM64_REG_LAST, ARM64_REG_SP, Location(LOCATION_REGISTER, ARM64_REG_LR)) {}
@@ -102,6 +101,11 @@
return rel_pc - 4;
}
+void RegsArm64::SetFromRaw() {
+ set_pc(regs_[ARM64_REG_PC]);
+ set_sp(regs_[ARM64_REG_SP]);
+}
+
RegsX86::RegsX86()
: RegsImpl<uint32_t>(X86_REG_LAST, X86_REG_SP, Location(LOCATION_SP_OFFSET, -4)) {}
@@ -116,6 +120,11 @@
return rel_pc - 1;
}
+void RegsX86::SetFromRaw() {
+ set_pc(regs_[X86_REG_PC]);
+ set_sp(regs_[X86_REG_SP]);
+}
+
RegsX86_64::RegsX86_64()
: RegsImpl<uint64_t>(X86_64_REG_LAST, X86_64_REG_SP, Location(LOCATION_SP_OFFSET, -8)) {}
@@ -131,15 +140,17 @@
return rel_pc - 1;
}
+void RegsX86_64::SetFromRaw() {
+ set_pc(regs_[X86_64_REG_PC]);
+ set_sp(regs_[X86_64_REG_SP]);
+}
+
static Regs* ReadArm(void* remote_data) {
arm_user_regs* user = reinterpret_cast<arm_user_regs*>(remote_data);
RegsArm* regs = new RegsArm();
memcpy(regs->RawData(), &user->regs[0], ARM_REG_LAST * sizeof(uint32_t));
-
- regs->set_pc(user->regs[ARM_REG_PC]);
- regs->set_sp(user->regs[ARM_REG_SP]);
-
+ regs->SetFromRaw();
return regs;
}
@@ -148,9 +159,10 @@
RegsArm64* regs = new RegsArm64();
memcpy(regs->RawData(), &user->regs[0], (ARM64_REG_R31 + 1) * sizeof(uint64_t));
- regs->set_pc(user->pc);
- regs->set_sp(user->sp);
-
+ uint64_t* reg_data = reinterpret_cast<uint64_t*>(regs->RawData());
+ reg_data[ARM64_REG_PC] = user->pc;
+ reg_data[ARM64_REG_SP] = user->sp;
+ regs->SetFromRaw();
return regs;
}
@@ -168,9 +180,7 @@
(*regs)[X86_REG_ESP] = user->esp;
(*regs)[X86_REG_EIP] = user->eip;
- regs->set_pc(user->eip);
- regs->set_sp(user->esp);
-
+ regs->SetFromRaw();
return regs;
}
@@ -196,9 +206,7 @@
(*regs)[X86_64_REG_RSP] = user->rsp;
(*regs)[X86_64_REG_RIP] = user->rip;
- regs->set_pc(user->rip);
- regs->set_sp(user->rsp);
-
+ regs->SetFromRaw();
return regs;
}
@@ -231,3 +239,302 @@
}
return nullptr;
}
+
+static Regs* CreateFromArmUcontext(void* ucontext) {
+ arm_ucontext_t* arm_ucontext = reinterpret_cast<arm_ucontext_t*>(ucontext);
+
+ RegsArm* regs = new RegsArm();
+ memcpy(regs->RawData(), &arm_ucontext->uc_mcontext.regs[0], ARM_REG_LAST * sizeof(uint32_t));
+ regs->SetFromRaw();
+ return regs;
+}
+
+static Regs* CreateFromArm64Ucontext(void* ucontext) {
+ arm64_ucontext_t* arm64_ucontext = reinterpret_cast<arm64_ucontext_t*>(ucontext);
+
+ RegsArm64* regs = new RegsArm64();
+ memcpy(regs->RawData(), &arm64_ucontext->uc_mcontext.regs[0], ARM64_REG_LAST * sizeof(uint64_t));
+ regs->SetFromRaw();
+ return regs;
+}
+
+void RegsX86::SetFromUcontext(x86_ucontext_t* ucontext) {
+ // Put the registers in the expected order.
+ regs_[X86_REG_EDI] = ucontext->uc_mcontext.edi;
+ regs_[X86_REG_ESI] = ucontext->uc_mcontext.esi;
+ regs_[X86_REG_EBP] = ucontext->uc_mcontext.ebp;
+ regs_[X86_REG_ESP] = ucontext->uc_mcontext.esp;
+ regs_[X86_REG_EBX] = ucontext->uc_mcontext.ebx;
+ regs_[X86_REG_EDX] = ucontext->uc_mcontext.edx;
+ regs_[X86_REG_ECX] = ucontext->uc_mcontext.ecx;
+ regs_[X86_REG_EAX] = ucontext->uc_mcontext.eax;
+ regs_[X86_REG_EIP] = ucontext->uc_mcontext.eip;
+ SetFromRaw();
+}
+
+static Regs* CreateFromX86Ucontext(void* ucontext) {
+ x86_ucontext_t* x86_ucontext = reinterpret_cast<x86_ucontext_t*>(ucontext);
+
+ RegsX86* regs = new RegsX86();
+ regs->SetFromUcontext(x86_ucontext);
+ return regs;
+}
+
+void RegsX86_64::SetFromUcontext(x86_64_ucontext_t* ucontext) {
+ // R8-R15
+ memcpy(®s_[X86_64_REG_R8], &ucontext->uc_mcontext.r8, 8 * sizeof(uint64_t));
+
+ // Rest of the registers.
+ regs_[X86_64_REG_RDI] = ucontext->uc_mcontext.rdi;
+ regs_[X86_64_REG_RSI] = ucontext->uc_mcontext.rsi;
+ regs_[X86_64_REG_RBP] = ucontext->uc_mcontext.rbp;
+ regs_[X86_64_REG_RBX] = ucontext->uc_mcontext.rbx;
+ regs_[X86_64_REG_RDX] = ucontext->uc_mcontext.rdx;
+ regs_[X86_64_REG_RAX] = ucontext->uc_mcontext.rax;
+ regs_[X86_64_REG_RCX] = ucontext->uc_mcontext.rcx;
+ regs_[X86_64_REG_RSP] = ucontext->uc_mcontext.rsp;
+ regs_[X86_64_REG_RIP] = ucontext->uc_mcontext.rip;
+
+ SetFromRaw();
+}
+
+static Regs* CreateFromX86_64Ucontext(void* ucontext) {
+ x86_64_ucontext_t* x86_64_ucontext = reinterpret_cast<x86_64_ucontext_t*>(ucontext);
+
+ RegsX86_64* regs = new RegsX86_64();
+ regs->SetFromUcontext(x86_64_ucontext);
+ return regs;
+}
+
+Regs* Regs::CreateFromUcontext(uint32_t machine_type, void* ucontext) {
+ switch (machine_type) {
+ case EM_386:
+ return CreateFromX86Ucontext(ucontext);
+ case EM_X86_64:
+ return CreateFromX86_64Ucontext(ucontext);
+ case EM_ARM:
+ return CreateFromArmUcontext(ucontext);
+ case EM_AARCH64:
+ return CreateFromArm64Ucontext(ucontext);
+ }
+ return nullptr;
+}
+
+uint32_t Regs::GetMachineType() {
+#if defined(__arm__)
+ return EM_ARM;
+#elif defined(__aarch64__)
+ return EM_AARCH64;
+#elif defined(__i386__)
+ return EM_386;
+#elif defined(__x86_64__)
+ return EM_X86_64;
+#else
+ abort();
+#endif
+}
+
+Regs* Regs::CreateFromLocal() {
+ Regs* regs;
+#if defined(__arm__)
+ regs = new RegsArm();
+#elif defined(__aarch64__)
+ regs = new RegsArm64();
+#elif defined(__i386__)
+ regs = new RegsX86();
+#elif defined(__x86_64__)
+ regs = new RegsX86_64();
+#else
+ abort();
+#endif
+ return regs;
+}
+
+bool RegsArm::StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) {
+ uint32_t data;
+ Memory* elf_memory = elf->memory();
+ // Read from elf memory since it is usually more expensive to read from
+ // process memory.
+ if (!elf_memory->Read(rel_pc, &data, sizeof(data))) {
+ return false;
+ }
+
+ uint64_t offset = 0;
+ if (data == 0xe3a07077 || data == 0xef900077 || data == 0xdf002777) {
+ // non-RT sigreturn call.
+ // __restore:
+ //
+ // Form 1 (arm):
+ // 0x77 0x70 mov r7, #0x77
+ // 0xa0 0xe3 svc 0x00000000
+ //
+ // Form 2 (arm):
+ // 0x77 0x00 0x90 0xef svc 0x00900077
+ //
+ // Form 3 (thumb):
+ // 0x77 0x27 movs r7, #77
+ // 0x00 0xdf svc 0
+ if (!process_memory->Read(sp(), &data, sizeof(data))) {
+ return false;
+ }
+ if (data == 0x5ac3c35a) {
+ // SP + uc_mcontext offset + r0 offset.
+ offset = sp() + 0x14 + 0xc;
+ } else {
+ // SP + r0 offset
+ offset = sp() + 0xc;
+ }
+ } else if (data == 0xe3a070ad || data == 0xef9000ad || data == 0xdf0027ad) {
+ // RT sigreturn call.
+ // __restore_rt:
+ //
+ // Form 1 (arm):
+ // 0xad 0x70 mov r7, #0xad
+ // 0xa0 0xe3 svc 0x00000000
+ //
+ // Form 2 (arm):
+ // 0xad 0x00 0x90 0xef svc 0x009000ad
+ //
+ // Form 3 (thumb):
+ // 0xad 0x27 movs r7, #ad
+ // 0x00 0xdf svc 0
+ if (!process_memory->Read(sp(), &data, sizeof(data))) {
+ return false;
+ }
+ if (data == sp() + 8) {
+ // SP + 8 + sizeof(siginfo_t) + uc_mcontext_offset + r0 offset
+ offset = sp() + 8 + 0x80 + 0x14 + 0xc;
+ } else {
+ // SP + sizeof(siginfo_t) + uc_mcontext_offset + r0 offset
+ offset = sp() + 0x80 + 0x14 + 0xc;
+ }
+ }
+ if (offset == 0) {
+ return false;
+ }
+
+ if (!process_memory->Read(offset, regs_.data(), sizeof(uint32_t) * ARM_REG_LAST)) {
+ return false;
+ }
+ SetFromRaw();
+ return true;
+}
+
+bool RegsArm64::StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) {
+ uint64_t data;
+ Memory* elf_memory = elf->memory();
+ // Read from elf memory since it is usually more expensive to read from
+ // process memory.
+ if (!elf_memory->Read(rel_pc, &data, sizeof(data))) {
+ return false;
+ }
+
+ // Look for the kernel sigreturn function.
+ // __kernel_rt_sigreturn:
+ // 0xd2801168 mov x8, #0x8b
+ // 0xd4000001 svc #0x0
+ if (data != 0xd4000001d2801168ULL) {
+ return false;
+ }
+
+ // SP + sizeof(siginfo_t) + uc_mcontext offset + X0 offset.
+ if (!process_memory->Read(sp() + 0x80 + 0xb0 + 0x08, regs_.data(),
+ sizeof(uint64_t) * ARM64_REG_LAST)) {
+ return false;
+ }
+
+ SetFromRaw();
+ return true;
+}
+
+bool RegsX86::StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) {
+ uint64_t data;
+ Memory* elf_memory = elf->memory();
+ // Read from elf memory since it is usually more expensive to read from
+ // process memory.
+ if (!elf_memory->Read(rel_pc, &data, sizeof(data))) {
+ return false;
+ }
+
+ if (data == 0x80cd00000077b858ULL) {
+ // Without SA_SIGINFO set, the return sequence is:
+ //
+ // __restore:
+ // 0x58 pop %eax
+ // 0xb8 0x77 0x00 0x00 0x00 movl 0x77,%eax
+ // 0xcd 0x80 int 0x80
+ //
+ // SP points at arguments:
+ // int signum
+ // struct sigcontext (same format as mcontext)
+ struct x86_mcontext_t context;
+ if (!process_memory->Read(sp() + 4, &context, sizeof(context))) {
+ return false;
+ }
+ regs_[X86_REG_EBP] = context.ebp;
+ regs_[X86_REG_ESP] = context.esp;
+ regs_[X86_REG_EBX] = context.ebx;
+ regs_[X86_REG_EDX] = context.edx;
+ regs_[X86_REG_ECX] = context.ecx;
+ regs_[X86_REG_EAX] = context.eax;
+ regs_[X86_REG_EIP] = context.eip;
+ SetFromRaw();
+ return true;
+ } else if ((data & 0x00ffffffffffffffULL) == 0x0080cd000000adb8ULL) {
+ // With SA_SIGINFO set, the return sequence is:
+ //
+ // __restore_rt:
+ // 0xb8 0xad 0x00 0x00 0x00 movl 0xad,%eax
+ // 0xcd 0x80 int 0x80
+ //
+ // SP points at arguments:
+ // int signum
+ // siginfo*
+ // ucontext*
+
+ // Get the location of the sigcontext data.
+ uint32_t ptr;
+ if (!process_memory->Read(sp() + 8, &ptr, sizeof(ptr))) {
+ return false;
+ }
+ // Only read the portion of the data structure we care about.
+ x86_ucontext_t x86_ucontext;
+ if (!process_memory->Read(ptr + 0x14, &x86_ucontext.uc_mcontext, sizeof(x86_mcontext_t))) {
+ return false;
+ }
+ SetFromUcontext(&x86_ucontext);
+ return true;
+ }
+ return false;
+}
+
+bool RegsX86_64::StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) {
+ uint64_t data;
+ Memory* elf_memory = elf->memory();
+ // Read from elf memory since it is usually more expensive to read from
+ // process memory.
+ if (!elf_memory->Read(rel_pc, &data, sizeof(data)) || data != 0x0f0000000fc0c748) {
+ return false;
+ }
+
+ uint16_t data2;
+ if (!elf_memory->Read(rel_pc + 8, &data2, sizeof(data2)) || data2 != 0x0f05) {
+ return false;
+ }
+
+ // __restore_rt:
+ // 0x48 0xc7 0xc0 0x0f 0x00 0x00 0x00 mov $0xf,%rax
+ // 0x0f 0x05 syscall
+ // 0x0f nopl 0x0($rax)
+
+ // Read the mcontext data from the stack.
+ // sp points to the ucontext data structure, read only the mcontext part.
+ x86_64_ucontext_t x86_64_ucontext;
+ if (!process_memory->Read(sp() + 0x28, &x86_64_ucontext.uc_mcontext, sizeof(x86_64_mcontext_t))) {
+ return false;
+ }
+ SetFromUcontext(&x86_64_ucontext);
+ return true;
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/Symbols.cpp b/libunwindstack/Symbols.cpp
index edc2187..42d816a 100644
--- a/libunwindstack/Symbols.cpp
+++ b/libunwindstack/Symbols.cpp
@@ -19,10 +19,13 @@
#include <string>
+#include <unwindstack/Memory.h>
+
#include "Check.h"
-#include "Memory.h"
#include "Symbols.h"
+namespace unwindstack {
+
Symbols::Symbols(uint64_t offset, uint64_t size, uint64_t entry_size, uint64_t str_offset,
uint64_t str_size)
: cur_offset_(offset),
@@ -108,3 +111,5 @@
// Instantiate all of the needed template functions.
template bool Symbols::GetName<Elf32_Sym>(uint64_t, uint64_t, Memory*, std::string*, uint64_t*);
template bool Symbols::GetName<Elf64_Sym>(uint64_t, uint64_t, Memory*, std::string*, uint64_t*);
+
+} // namespace unwindstack
diff --git a/libunwindstack/Symbols.h b/libunwindstack/Symbols.h
index 3c0d033..689144b 100644
--- a/libunwindstack/Symbols.h
+++ b/libunwindstack/Symbols.h
@@ -22,6 +22,8 @@
#include <string>
#include <vector>
+namespace unwindstack {
+
// Forward declaration.
class Memory;
@@ -61,4 +63,6 @@
std::vector<Info> symbols_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_SYMBOLS_H
diff --git a/libunwindstack/Ucontext.h b/libunwindstack/Ucontext.h
new file mode 100644
index 0000000..22f6a89
--- /dev/null
+++ b/libunwindstack/Ucontext.h
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LIBUNWINDSTACK_UCONTEXT_H
+#define _LIBUNWINDSTACK_UCONTEXT_H
+
+#include <stdint.h>
+
+namespace unwindstack {
+
+//-------------------------------------------------------------------
+// ARM ucontext structures
+//-------------------------------------------------------------------
+struct arm_stack_t {
+ uint32_t ss_sp; // void __user*
+ int32_t ss_flags; // int
+ uint32_t ss_size; // size_t
+};
+
+struct arm_mcontext_t {
+ uint32_t trap_no; // unsigned long
+ uint32_t error_code; // unsigned long
+ uint32_t oldmask; // unsigned long
+ uint32_t regs[ARM_REG_LAST]; // unsigned long
+ uint32_t cpsr; // unsigned long
+ uint32_t fault_address; // unsigned long
+};
+
+struct arm_ucontext_t {
+ uint32_t uc_flags; // unsigned long
+ uint32_t uc_link; // struct ucontext*
+ arm_stack_t uc_stack;
+ arm_mcontext_t uc_mcontext;
+ // Nothing else is used, so don't define it.
+};
+//-------------------------------------------------------------------
+
+//-------------------------------------------------------------------
+// ARM64 ucontext structures
+//-------------------------------------------------------------------
+struct arm64_stack_t {
+ uint64_t ss_sp; // void __user*
+ int32_t ss_flags; // int
+ uint64_t ss_size; // size_t
+};
+
+struct arm64_sigset_t {
+ uint64_t sig; // unsigned long
+};
+
+struct arm64_mcontext_t {
+ uint64_t fault_address; // __u64
+ uint64_t regs[ARM64_REG_LAST]; // __u64
+ uint64_t pstate; // __u64
+ // Nothing else is used, so don't define it.
+};
+
+struct arm64_ucontext_t {
+ uint64_t uc_flags; // unsigned long
+ uint64_t uc_link; // struct ucontext*
+ arm64_stack_t uc_stack;
+ arm64_sigset_t uc_sigmask;
+ // The kernel adds extra padding after uc_sigmask to match glibc sigset_t on ARM64.
+ char __padding[128 - sizeof(arm64_sigset_t)];
+ // The full structure requires 16 byte alignment, but our partial structure
+ // doesn't, so force the alignment.
+ arm64_mcontext_t uc_mcontext __attribute__((aligned(16)));
+};
+//-------------------------------------------------------------------
+
+//-------------------------------------------------------------------
+// X86 ucontext structures
+//-------------------------------------------------------------------
+struct x86_stack_t {
+ uint32_t ss_sp; // void __user*
+ int32_t ss_flags; // int
+ uint32_t ss_size; // size_t
+};
+
+struct x86_mcontext_t {
+ uint32_t gs;
+ uint32_t fs;
+ uint32_t es;
+ uint32_t ds;
+ uint32_t edi;
+ uint32_t esi;
+ uint32_t ebp;
+ uint32_t esp;
+ uint32_t ebx;
+ uint32_t edx;
+ uint32_t ecx;
+ uint32_t eax;
+ uint32_t trapno;
+ uint32_t err;
+ uint32_t eip;
+ uint32_t cs;
+ uint32_t efl;
+ uint32_t uesp;
+ uint32_t ss;
+ // Only care about the registers, skip everything else.
+};
+
+struct x86_ucontext_t {
+ uint32_t uc_flags; // unsigned long
+ uint32_t uc_link; // struct ucontext*
+ x86_stack_t uc_stack;
+ x86_mcontext_t uc_mcontext;
+ // Nothing else is used, so don't define it.
+};
+//-------------------------------------------------------------------
+
+//-------------------------------------------------------------------
+// X86_64 ucontext structures
+//-------------------------------------------------------------------
+struct x86_64_stack_t {
+ uint64_t ss_sp; // void __user*
+ int32_t ss_flags; // int
+ uint64_t ss_size; // size_t
+};
+
+struct x86_64_mcontext_t {
+ uint64_t r8;
+ uint64_t r9;
+ uint64_t r10;
+ uint64_t r11;
+ uint64_t r12;
+ uint64_t r13;
+ uint64_t r14;
+ uint64_t r15;
+ uint64_t rdi;
+ uint64_t rsi;
+ uint64_t rbp;
+ uint64_t rbx;
+ uint64_t rdx;
+ uint64_t rax;
+ uint64_t rcx;
+ uint64_t rsp;
+ uint64_t rip;
+ uint64_t efl;
+ uint64_t csgsfs;
+ uint64_t err;
+ uint64_t trapno;
+ uint64_t oldmask;
+ uint64_t cr2;
+ // Only care about the registers, skip everything else.
+};
+
+struct x86_64_ucontext_t {
+ uint64_t uc_flags; // unsigned long
+ uint64_t uc_link; // struct ucontext*
+ x86_64_stack_t uc_stack;
+ x86_64_mcontext_t uc_mcontext;
+ // Nothing else is used, so don't define it.
+};
+//-------------------------------------------------------------------
+
+} // namespace unwindstack
+
+#endif // _LIBUNWINDSTACK_UCONTEXT_H
diff --git a/libunwindstack/User.h b/libunwindstack/User.h
index a695467..53f7e50 100644
--- a/libunwindstack/User.h
+++ b/libunwindstack/User.h
@@ -29,6 +29,8 @@
#ifndef _LIBUNWINDSTACK_USER_H
#define _LIBUNWINDSTACK_USER_H
+namespace unwindstack {
+
struct x86_user_regs {
uint32_t ebx;
uint32_t ecx;
@@ -93,4 +95,6 @@
// The largest user structure.
constexpr size_t MAX_USER_REGS_SIZE = sizeof(arm64_user_regs) + 10;
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_USER_H
diff --git a/libunwindstack/DwarfLocation.h b/libunwindstack/include/unwindstack/DwarfLocation.h
similarity index 95%
rename from libunwindstack/DwarfLocation.h
rename to libunwindstack/include/unwindstack/DwarfLocation.h
index 062d125..3467e6a 100644
--- a/libunwindstack/DwarfLocation.h
+++ b/libunwindstack/include/unwindstack/DwarfLocation.h
@@ -21,6 +21,8 @@
#include <unordered_map>
+namespace unwindstack {
+
enum DwarfLocationEnum : uint8_t {
DWARF_LOCATION_INVALID = 0,
DWARF_LOCATION_UNDEFINED,
@@ -38,4 +40,6 @@
typedef std::unordered_map<uint16_t, DwarfLocation> dwarf_loc_regs_t;
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_LOCATION_H
diff --git a/libunwindstack/DwarfMemory.h b/libunwindstack/include/unwindstack/DwarfMemory.h
similarity index 97%
rename from libunwindstack/DwarfMemory.h
rename to libunwindstack/include/unwindstack/DwarfMemory.h
index a304dd9..8dd8d2b 100644
--- a/libunwindstack/DwarfMemory.h
+++ b/libunwindstack/include/unwindstack/DwarfMemory.h
@@ -19,6 +19,8 @@
#include <stdint.h>
+namespace unwindstack {
+
// Forward declarations.
class Memory;
@@ -69,4 +71,6 @@
uint64_t text_offset_ = static_cast<uint64_t>(-1);
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_MEMORY_H
diff --git a/libunwindstack/DwarfSection.h b/libunwindstack/include/unwindstack/DwarfSection.h
similarity index 93%
rename from libunwindstack/DwarfSection.h
rename to libunwindstack/include/unwindstack/DwarfSection.h
index e617601..a97ca2b 100644
--- a/libunwindstack/DwarfSection.h
+++ b/libunwindstack/include/unwindstack/DwarfSection.h
@@ -22,18 +22,20 @@
#include <iterator>
#include <unordered_map>
-#include "DwarfError.h"
-#include "DwarfLocation.h"
-#include "DwarfMemory.h"
-#include "DwarfStructs.h"
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/DwarfStructs.h>
+
+namespace unwindstack {
// Forward declarations.
+enum DwarfError : uint8_t;
class Memory;
class Regs;
class DwarfSection {
public:
- DwarfSection(Memory* memory) : memory_(memory) {}
+ DwarfSection(Memory* memory);
virtual ~DwarfSection() = default;
class iterator : public std::iterator<std::bidirectional_iterator_tag, DwarfFde*> {
@@ -102,7 +104,7 @@
protected:
DwarfMemory memory_;
- DwarfError last_error_ = DWARF_ERROR_NONE;
+ DwarfError last_error_;
uint64_t fde_count_;
std::unordered_map<uint64_t, DwarfFde> fde_entries_;
@@ -134,4 +136,6 @@
AddressType* value);
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_SECTION_H
diff --git a/libunwindstack/DwarfStructs.h b/libunwindstack/include/unwindstack/DwarfStructs.h
similarity index 92%
rename from libunwindstack/DwarfStructs.h
rename to libunwindstack/include/unwindstack/DwarfStructs.h
index 87182c9..4b481f0 100644
--- a/libunwindstack/DwarfStructs.h
+++ b/libunwindstack/include/unwindstack/DwarfStructs.h
@@ -21,12 +21,12 @@
#include <vector>
-#include "DwarfEncoding.h"
+namespace unwindstack {
struct DwarfCie {
uint8_t version = 0;
- uint8_t fde_address_encoding = DW_EH_PE_absptr;
- uint8_t lsda_encoding = DW_EH_PE_omit;
+ uint8_t fde_address_encoding = 0;
+ uint8_t lsda_encoding = 0;
uint8_t segment_size = 0;
std::vector<char> augmentation_string;
uint64_t personality_handler = 0;
@@ -49,4 +49,6 @@
constexpr uint16_t CFA_REG = static_cast<uint16_t>(-1);
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_DWARF_STRUCTS_H
diff --git a/libunwindstack/Elf.h b/libunwindstack/include/unwindstack/Elf.h
similarity index 75%
rename from libunwindstack/Elf.h
rename to libunwindstack/include/unwindstack/Elf.h
index cff9dc4..d89a746 100644
--- a/libunwindstack/Elf.h
+++ b/libunwindstack/include/unwindstack/Elf.h
@@ -22,14 +22,17 @@
#include <memory>
#include <string>
-#include "ElfInterface.h"
-#include "Memory.h"
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/Memory.h>
#if !defined(EM_AARCH64)
#define EM_AARCH64 183
#endif
+namespace unwindstack {
+
// Forward declaration.
+struct MapInfo;
class Regs;
class Elf {
@@ -41,24 +44,18 @@
void InitGnuDebugdata();
- bool GetSoname(std::string* name) {
- return valid_ && interface_->GetSoname(name);
- }
+ bool GetSoname(std::string* name);
- bool GetFunctionName(uint64_t addr, std::string* name, uint64_t* func_offset) {
- return valid_ && (interface_->GetFunctionName(addr, name, func_offset) ||
- (gnu_debugdata_interface_ &&
- gnu_debugdata_interface_->GetFunctionName(addr, name, func_offset)));
- }
+ bool GetFunctionName(uint64_t addr, std::string* name, uint64_t* func_offset);
- bool Step(uint64_t rel_pc, Regs* regs, Memory* process_memory) {
- return valid_ && (interface_->Step(rel_pc, regs, process_memory) ||
- (gnu_debugdata_interface_ &&
- gnu_debugdata_interface_->Step(rel_pc, regs, process_memory)));
- }
+ uint64_t GetRelPc(uint64_t pc, const MapInfo* map_info);
+
+ bool Step(uint64_t rel_pc, Regs* regs, Memory* process_memory);
ElfInterface* CreateInterfaceFromMemory(Memory* memory);
+ uint64_t GetLoadBias();
+
bool valid() { return valid_; }
uint32_t machine_type() { return machine_type_; }
@@ -84,4 +81,6 @@
std::unique_ptr<ElfInterface> gnu_debugdata_interface_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_ELF_H
diff --git a/libunwindstack/ElfInterface.h b/libunwindstack/include/unwindstack/ElfInterface.h
similarity index 97%
rename from libunwindstack/ElfInterface.h
rename to libunwindstack/include/unwindstack/ElfInterface.h
index d0d0d28..5cac0d3 100644
--- a/libunwindstack/ElfInterface.h
+++ b/libunwindstack/include/unwindstack/ElfInterface.h
@@ -25,7 +25,9 @@
#include <unordered_map>
#include <vector>
-#include "DwarfSection.h"
+#include <unwindstack/DwarfSection.h>
+
+namespace unwindstack {
// Forward declarations.
class Memory;
@@ -166,4 +168,6 @@
}
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_ELF_INTERFACE_H
diff --git a/libunwindstack/Log.h b/libunwindstack/include/unwindstack/Log.h
similarity index 93%
rename from libunwindstack/Log.h
rename to libunwindstack/include/unwindstack/Log.h
index 2d01aa8..aa1219c 100644
--- a/libunwindstack/Log.h
+++ b/libunwindstack/include/unwindstack/Log.h
@@ -19,7 +19,11 @@
#include <stdint.h>
+namespace unwindstack {
+
void log_to_stdout(bool enable);
void log(uint8_t indent, const char* format, ...);
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_LOG_H
diff --git a/libunwindstack/MapInfo.h b/libunwindstack/include/unwindstack/MapInfo.h
similarity index 95%
rename from libunwindstack/MapInfo.h
rename to libunwindstack/include/unwindstack/MapInfo.h
index 79a2ada..2a97dde 100644
--- a/libunwindstack/MapInfo.h
+++ b/libunwindstack/include/unwindstack/MapInfo.h
@@ -21,6 +21,8 @@
#include <string>
+namespace unwindstack {
+
// Forward declarations.
class Elf;
class Memory;
@@ -42,4 +44,6 @@
Elf* GetElf(pid_t pid, bool init_gnu_debugdata = false);
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_MAP_INFO_H
diff --git a/libunwindstack/Maps.h b/libunwindstack/include/unwindstack/Maps.h
similarity index 96%
rename from libunwindstack/Maps.h
rename to libunwindstack/include/unwindstack/Maps.h
index 239b64a..0b02739 100644
--- a/libunwindstack/Maps.h
+++ b/libunwindstack/include/unwindstack/Maps.h
@@ -23,8 +23,9 @@
#include <string>
#include <vector>
-#include "Elf.h"
-#include "MapInfo.h"
+#include <unwindstack/MapInfo.h>
+
+namespace unwindstack {
// Special flag to indicate a map is in /dev/. However, a map in
// /dev/ashmem/... does not set this flag.
@@ -104,4 +105,6 @@
bool Parse() override;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_MAPS_H
diff --git a/libunwindstack/Memory.h b/libunwindstack/include/unwindstack/Memory.h
similarity index 89%
rename from libunwindstack/Memory.h
rename to libunwindstack/include/unwindstack/Memory.h
index e353cab..0c05266 100644
--- a/libunwindstack/Memory.h
+++ b/libunwindstack/include/unwindstack/Memory.h
@@ -24,7 +24,7 @@
#include <string>
#include <vector>
-#include "Check.h"
+namespace unwindstack {
class Memory {
public:
@@ -47,13 +47,9 @@
return Read(offset, field, size);
}
- inline bool Read32(uint64_t addr, uint32_t* dst) {
- return Read(addr, dst, sizeof(uint32_t));
- }
+ inline bool Read32(uint64_t addr, uint32_t* dst) { return Read(addr, dst, sizeof(uint32_t)); }
- inline bool Read64(uint64_t addr, uint64_t* dst) {
- return Read(addr, dst, sizeof(uint64_t));
- }
+ inline bool Read64(uint64_t addr, uint64_t* dst) { return Read(addr, dst, sizeof(uint64_t)); }
};
class MemoryBuffer : public Memory {
@@ -129,10 +125,7 @@
class MemoryRange : public Memory {
public:
- MemoryRange(Memory* memory, uint64_t begin, uint64_t end)
- : memory_(memory), begin_(begin), length_(end - begin) {
- CHECK(end > begin);
- }
+ MemoryRange(Memory* memory, uint64_t begin, uint64_t end);
virtual ~MemoryRange() { delete memory_; }
bool Read(uint64_t addr, void* dst, size_t size) override;
@@ -143,4 +136,6 @@
uint64_t length_;
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_MEMORY_H
diff --git a/libunwindstack/Regs.h b/libunwindstack/include/unwindstack/Regs.h
similarity index 76%
rename from libunwindstack/Regs.h
rename to libunwindstack/include/unwindstack/Regs.h
index 8f5a721..78e2c0d 100644
--- a/libunwindstack/Regs.h
+++ b/libunwindstack/include/unwindstack/Regs.h
@@ -21,9 +21,14 @@
#include <vector>
+namespace unwindstack {
+
// Forward declarations.
class Elf;
struct MapInfo;
+class Memory;
+struct x86_ucontext_t;
+struct x86_64_ucontext_t;
class Regs {
public:
@@ -50,14 +55,19 @@
virtual bool GetReturnAddressFromDefault(Memory* memory, uint64_t* value) = 0;
- virtual uint64_t GetRelPc(Elf* elf, const MapInfo* map_info) = 0;
-
virtual uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) = 0;
+ virtual bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) = 0;
+
+ virtual void SetFromRaw() = 0;
+
uint16_t sp_reg() { return sp_reg_; }
uint16_t total_regs() { return total_regs_; }
+ static uint32_t GetMachineType();
static Regs* RemoteGet(pid_t pid, uint32_t* machine_type);
+ static Regs* CreateFromUcontext(uint32_t machine_type, void* ucontext);
+ static Regs* CreateFromLocal();
protected:
uint16_t total_regs_;
@@ -72,8 +82,6 @@
: Regs(total_regs, sp_reg, return_loc), regs_(total_regs) {}
virtual ~RegsImpl() = default;
- uint64_t GetRelPc(Elf* elf, const MapInfo* map_info) override;
-
bool GetReturnAddressFromDefault(Memory* memory, uint64_t* value) override;
uint64_t pc() override { return pc_; }
@@ -98,6 +106,10 @@
virtual ~RegsArm() = default;
uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
+
+ void SetFromRaw() override;
+
+ bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
};
class RegsArm64 : public RegsImpl<uint64_t> {
@@ -106,6 +118,10 @@
virtual ~RegsArm64() = default;
uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
+
+ void SetFromRaw() override;
+
+ bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
};
class RegsX86 : public RegsImpl<uint32_t> {
@@ -114,6 +130,12 @@
virtual ~RegsX86() = default;
uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
+
+ void SetFromRaw() override;
+
+ bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
+
+ void SetFromUcontext(x86_ucontext_t* ucontext);
};
class RegsX86_64 : public RegsImpl<uint64_t> {
@@ -122,6 +144,14 @@
virtual ~RegsX86_64() = default;
uint64_t GetAdjustedPc(uint64_t rel_pc, Elf* elf) override;
+
+ void SetFromRaw() override;
+
+ bool StepIfSignalHandler(uint64_t rel_pc, Elf* elf, Memory* process_memory) override;
+
+ void SetFromUcontext(x86_64_ucontext_t* ucontext);
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_REGS_H
diff --git a/libunwindstack/include/unwindstack/RegsGetLocal.h b/libunwindstack/include/unwindstack/RegsGetLocal.h
new file mode 100644
index 0000000..ffec213
--- /dev/null
+++ b/libunwindstack/include/unwindstack/RegsGetLocal.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _LIBUNWINDSTACK_REGS_GET_LOCAL_H
+#define _LIBUNWINDSTACK_REGS_GET_LOCAL_H
+
+namespace unwindstack {
+
+#if defined(__arm__)
+
+inline void RegsGetLocal(Regs* regs) {
+ void* reg_data = regs->RawData();
+ asm volatile(
+ ".align 2\n"
+ "bx pc\n"
+ "nop\n"
+ ".code 32\n"
+ "stmia %[base], {r0-r12}\n"
+ "add %[base], #52\n"
+ "mov r1, r13\n"
+ "mov r2, r14\n"
+ "mov r3, r15\n"
+ "stmia %[base], {r1-r3}\n"
+ "orr %[base], pc, #1\n"
+ "bx %[base]\n"
+ : [base] "+r"(reg_data)
+ :
+ : "memory");
+
+ regs->SetFromRaw();
+}
+
+#elif defined(__aarch64__)
+
+inline void RegsGetLocal(Regs* regs) {
+ void* reg_data = regs->RawData();
+ asm volatile(
+ "1:\n"
+ "stp x0, x1, [%[base], #0]\n"
+ "stp x2, x3, [%[base], #16]\n"
+ "stp x4, x5, [%[base], #32]\n"
+ "stp x6, x7, [%[base], #48]\n"
+ "stp x8, x9, [%[base], #64]\n"
+ "stp x10, x11, [%[base], #80]\n"
+ "stp x12, x13, [%[base], #96]\n"
+ "stp x14, x15, [%[base], #112]\n"
+ "stp x16, x17, [%[base], #128]\n"
+ "stp x18, x19, [%[base], #144]\n"
+ "stp x20, x21, [%[base], #160]\n"
+ "stp x22, x23, [%[base], #176]\n"
+ "stp x24, x25, [%[base], #192]\n"
+ "stp x26, x27, [%[base], #208]\n"
+ "stp x28, x29, [%[base], #224]\n"
+ "str x30, [%[base], #240]\n"
+ "mov x12, sp\n"
+ "adr x13, 1b\n"
+ "stp x12, x13, [%[base], #248]\n"
+ : [base] "+r"(reg_data)
+ :
+ : "x12", "x13", "memory");
+
+ regs->SetFromRaw();
+}
+
+#elif defined(__i386__) || defined(__x86_64__)
+
+extern "C" void AsmGetRegs(void* regs);
+
+inline void RegsGetLocal(Regs* regs) {
+ AsmGetRegs(regs->RawData());
+
+ regs->SetFromRaw();
+}
+
+#endif
+
+} // namespace unwindstack
+
+#endif // _LIBUNWINDSTACK_REGS_GET_LOCAL_H
diff --git a/libunwindstack/tests/ArmExidxDecodeTest.cpp b/libunwindstack/tests/ArmExidxDecodeTest.cpp
index 4fff48e..94cb493 100644
--- a/libunwindstack/tests/ArmExidxDecodeTest.cpp
+++ b/libunwindstack/tests/ArmExidxDecodeTest.cpp
@@ -23,13 +23,16 @@
#include <gtest/gtest.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Regs.h>
+
#include "ArmExidx.h"
-#include "Regs.h"
-#include "Log.h"
#include "LogFake.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
class ArmExidxDecodeTest : public ::testing::TestWithParam<std::string> {
protected:
void Init(Memory* process_memory = nullptr) {
@@ -1092,3 +1095,5 @@
}
INSTANTIATE_TEST_CASE_P(, ArmExidxDecodeTest, ::testing::Values("logging", "no_logging"));
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ArmExidxExtractTest.cpp b/libunwindstack/tests/ArmExidxExtractTest.cpp
index aed75bf..caad131 100644
--- a/libunwindstack/tests/ArmExidxExtractTest.cpp
+++ b/libunwindstack/tests/ArmExidxExtractTest.cpp
@@ -21,12 +21,15 @@
#include <gtest/gtest.h>
+#include <unwindstack/Log.h>
+
#include "ArmExidx.h"
-#include "Log.h"
#include "LogFake.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
class ArmExidxExtractTest : public ::testing::Test {
protected:
void SetUp() override {
@@ -329,3 +332,5 @@
ASSERT_TRUE(exidx_->ExtractEntryData(0x5000));
ASSERT_EQ("4 unwind Raw Data: 0x11 0x22 0x33 0xb0\n", GetFakeLogPrint());
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfCfaLogTest.cpp b/libunwindstack/tests/DwarfCfaLogTest.cpp
index 967c2c2..b17ca33 100644
--- a/libunwindstack/tests/DwarfCfaLogTest.cpp
+++ b/libunwindstack/tests/DwarfCfaLogTest.cpp
@@ -23,15 +23,18 @@
#include <android-base/stringprintf.h>
#include <gtest/gtest.h>
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Log.h>
+
#include "DwarfCfa.h"
-#include "DwarfLocation.h"
-#include "DwarfMemory.h"
-#include "DwarfStructs.h"
-#include "Log.h"
#include "LogFake.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class DwarfCfaLogTest : public ::testing::Test {
protected:
@@ -812,3 +815,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfCfaLogTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfCfaLogTest, DwarfCfaLogTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfCfaTest.cpp b/libunwindstack/tests/DwarfCfaTest.cpp
index 687af7d..73a67ac 100644
--- a/libunwindstack/tests/DwarfCfaTest.cpp
+++ b/libunwindstack/tests/DwarfCfaTest.cpp
@@ -21,15 +21,19 @@
#include <gtest/gtest.h>
+#include <unwindstack/DwarfLocation.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Log.h>
+
#include "DwarfCfa.h"
-#include "DwarfLocation.h"
-#include "DwarfMemory.h"
-#include "DwarfStructs.h"
-#include "Log.h"
+#include "DwarfError.h"
#include "LogFake.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class DwarfCfaTest : public ::testing::Test {
protected:
@@ -957,3 +961,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfCfaTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfCfaTest, DwarfCfaTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfDebugFrameTest.cpp b/libunwindstack/tests/DwarfDebugFrameTest.cpp
index 94a9974..69813e5 100644
--- a/libunwindstack/tests/DwarfDebugFrameTest.cpp
+++ b/libunwindstack/tests/DwarfDebugFrameTest.cpp
@@ -21,11 +21,14 @@
#include "DwarfDebugFrame.h"
#include "DwarfEncoding.h"
+#include "DwarfError.h"
#include "LogFake.h"
#include "MemoryFake.h"
#include "RegsFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class MockDwarfDebugFrame : public DwarfDebugFrame<TypeParam> {
public:
@@ -454,3 +457,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfDebugFrameTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfDebugFrameTest, DwarfDebugFrameTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfEhFrameTest.cpp b/libunwindstack/tests/DwarfEhFrameTest.cpp
index 4e538d4..e9501e3 100644
--- a/libunwindstack/tests/DwarfEhFrameTest.cpp
+++ b/libunwindstack/tests/DwarfEhFrameTest.cpp
@@ -21,11 +21,14 @@
#include "DwarfEhFrame.h"
#include "DwarfEncoding.h"
+#include "DwarfError.h"
#include "LogFake.h"
#include "MemoryFake.h"
#include "RegsFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class MockDwarfEhFrame : public DwarfEhFrame<TypeParam> {
public:
@@ -407,3 +410,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfEhFrameTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfEhFrameTest, DwarfEhFrameTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfMemoryTest.cpp b/libunwindstack/tests/DwarfMemoryTest.cpp
index 4877f36..08fe7cf 100644
--- a/libunwindstack/tests/DwarfMemoryTest.cpp
+++ b/libunwindstack/tests/DwarfMemoryTest.cpp
@@ -21,10 +21,12 @@
#include <gtest/gtest.h>
-#include "DwarfMemory.h"
+#include <unwindstack/DwarfMemory.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
class DwarfMemoryTest : public ::testing::Test {
protected:
void SetUp() override {
@@ -237,9 +239,13 @@
ASSERT_EQ(0U, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_omit_uint32_t) { ReadEncodedValue_omit<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_omit_uint32_t) {
+ ReadEncodedValue_omit<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_omit_uint64_t) { ReadEncodedValue_omit<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_omit_uint64_t) {
+ ReadEncodedValue_omit<uint64_t>();
+}
TEST_F(DwarfMemoryTest, ReadEncodedValue_absptr_uint32_t) {
uint64_t value = 100;
@@ -302,9 +308,13 @@
ASSERT_EQ(0xffffffffffffe100ULL, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_leb128_uint32_t) { ReadEncodedValue_leb128<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_leb128_uint32_t) {
+ ReadEncodedValue_leb128<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_leb128_uint64_t) { ReadEncodedValue_leb128<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_leb128_uint64_t) {
+ ReadEncodedValue_leb128<uint64_t>();
+}
template <typename AddressType>
void DwarfMemoryTest::ReadEncodedValue_data1() {
@@ -319,9 +329,13 @@
ASSERT_EQ(0xffffffffffffffe0ULL, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data1_uint32_t) { ReadEncodedValue_data1<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data1_uint32_t) {
+ ReadEncodedValue_data1<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data1_uint64_t) { ReadEncodedValue_data1<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data1_uint64_t) {
+ ReadEncodedValue_data1<uint64_t>();
+}
template <typename AddressType>
void DwarfMemoryTest::ReadEncodedValue_data2() {
@@ -336,9 +350,13 @@
ASSERT_EQ(0xffffffffffffe000ULL, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data2_uint32_t) { ReadEncodedValue_data2<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data2_uint32_t) {
+ ReadEncodedValue_data2<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data2_uint64_t) { ReadEncodedValue_data2<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data2_uint64_t) {
+ ReadEncodedValue_data2<uint64_t>();
+}
template <typename AddressType>
void DwarfMemoryTest::ReadEncodedValue_data4() {
@@ -353,9 +371,13 @@
ASSERT_EQ(0xffffffffe0000000ULL, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data4_uint32_t) { ReadEncodedValue_data4<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data4_uint32_t) {
+ ReadEncodedValue_data4<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data4_uint64_t) { ReadEncodedValue_data4<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data4_uint64_t) {
+ ReadEncodedValue_data4<uint64_t>();
+}
template <typename AddressType>
void DwarfMemoryTest::ReadEncodedValue_data8() {
@@ -370,9 +392,13 @@
ASSERT_EQ(0xe000000000000000ULL, value);
}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data8_uint32_t) { ReadEncodedValue_data8<uint32_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data8_uint32_t) {
+ ReadEncodedValue_data8<uint32_t>();
+}
-TEST_F(DwarfMemoryTest, ReadEncodedValue_data8_uint64_t) { ReadEncodedValue_data8<uint64_t>(); }
+TEST_F(DwarfMemoryTest, ReadEncodedValue_data8_uint64_t) {
+ ReadEncodedValue_data8<uint64_t>();
+}
template <typename AddressType>
void DwarfMemoryTest::ReadEncodedValue_non_zero_adjust() {
@@ -470,3 +496,5 @@
ASSERT_TRUE(dwarf_mem_->AdjustEncodedValue(0x40, &value));
ASSERT_EQ(0x14234U, value);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfOpLogTest.cpp b/libunwindstack/tests/DwarfOpLogTest.cpp
index d18aad0..234d1c9 100644
--- a/libunwindstack/tests/DwarfOpLogTest.cpp
+++ b/libunwindstack/tests/DwarfOpLogTest.cpp
@@ -21,14 +21,17 @@
#include <gtest/gtest.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Regs.h>
+
#include "DwarfError.h"
-#include "DwarfMemory.h"
#include "DwarfOp.h"
-#include "Log.h"
-#include "Regs.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class DwarfOpLogTest : public ::testing::Test {
protected:
@@ -66,3 +69,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfOpLogTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfOpLogTest, DwarfOpLogTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfOpTest.cpp b/libunwindstack/tests/DwarfOpTest.cpp
index 20c488a..47a40cf 100644
--- a/libunwindstack/tests/DwarfOpTest.cpp
+++ b/libunwindstack/tests/DwarfOpTest.cpp
@@ -21,14 +21,17 @@
#include <gtest/gtest.h>
+#include <unwindstack/DwarfMemory.h>
+#include <unwindstack/Log.h>
+
#include "DwarfError.h"
-#include "DwarfMemory.h"
#include "DwarfOp.h"
-#include "Log.h"
#include "MemoryFake.h"
#include "RegsFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class DwarfOpTest : public ::testing::Test {
protected:
@@ -1579,3 +1582,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfOpTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfOpTest, DwarfOpTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfSectionImplTest.cpp b/libunwindstack/tests/DwarfSectionImplTest.cpp
index 71b114a..b871539 100644
--- a/libunwindstack/tests/DwarfSectionImplTest.cpp
+++ b/libunwindstack/tests/DwarfSectionImplTest.cpp
@@ -19,12 +19,17 @@
#include <gmock/gmock.h>
#include <gtest/gtest.h>
-#include "DwarfSection.h"
+#include <unwindstack/DwarfSection.h>
+
+#include "DwarfEncoding.h"
+#include "DwarfError.h"
#include "LogFake.h"
#include "MemoryFake.h"
#include "RegsFake.h"
+namespace unwindstack {
+
template <typename TypeParam>
class MockDwarfSectionImpl : public DwarfSectionImpl<TypeParam> {
public:
@@ -830,3 +835,5 @@
typedef ::testing::Types<uint32_t, uint64_t> DwarfSectionImplTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, DwarfSectionImplTest, DwarfSectionImplTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/DwarfSectionTest.cpp b/libunwindstack/tests/DwarfSectionTest.cpp
index 20f0e2a..fc67063 100644
--- a/libunwindstack/tests/DwarfSectionTest.cpp
+++ b/libunwindstack/tests/DwarfSectionTest.cpp
@@ -19,10 +19,12 @@
#include <gmock/gmock.h>
#include <gtest/gtest.h>
-#include "DwarfSection.h"
+#include <unwindstack/DwarfSection.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
class MockDwarfSection : public DwarfSection {
public:
MockDwarfSection(Memory* memory) : DwarfSection(memory) {}
@@ -158,3 +160,5 @@
ASSERT_TRUE(mock_section.Step(0x1000, nullptr, &process));
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ElfInterfaceArmTest.cpp b/libunwindstack/tests/ElfInterfaceArmTest.cpp
index 67c9a6b..c7ef4a1 100644
--- a/libunwindstack/tests/ElfInterfaceArmTest.cpp
+++ b/libunwindstack/tests/ElfInterfaceArmTest.cpp
@@ -20,12 +20,15 @@
#include <vector>
+#include <unwindstack/Regs.h>
+
#include "ElfInterfaceArm.h"
#include "Machine.h"
-#include "Regs.h"
#include "MemoryFake.h"
+namespace unwindstack {
+
class ElfInterfaceArmTest : public ::testing::Test {
protected:
void SetUp() override {
@@ -370,3 +373,5 @@
ASSERT_EQ(0x10U, regs.pc());
ASSERT_EQ(0x10U, regs[ARM_REG_PC]);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ElfInterfaceTest.cpp b/libunwindstack/tests/ElfInterfaceTest.cpp
index 0f56ba8..acb7320 100644
--- a/libunwindstack/tests/ElfInterfaceTest.cpp
+++ b/libunwindstack/tests/ElfInterfaceTest.cpp
@@ -20,7 +20,9 @@
#include <gtest/gtest.h>
-#include "ElfInterface.h"
+#include <unwindstack/ElfInterface.h>
+
+#include "DwarfEncoding.h"
#include "ElfInterfaceArm.h"
#include "MemoryFake.h"
@@ -33,6 +35,8 @@
#define EM_AARCH64 183
#endif
+namespace unwindstack {
+
class ElfInterfaceTest : public ::testing::Test {
protected:
void SetUp() override {
@@ -921,3 +925,5 @@
TEST_F(ElfInterfaceTest, init_section_headers_offsets64) {
InitSectionHeadersOffsets<Elf64_Ehdr, Elf64_Shdr, ElfInterface64>();
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ElfTest.cpp b/libunwindstack/tests/ElfTest.cpp
index 22cade2..ed1be3b 100644
--- a/libunwindstack/tests/ElfTest.cpp
+++ b/libunwindstack/tests/ElfTest.cpp
@@ -22,50 +22,35 @@
#include <gtest/gtest.h>
-#include "Elf.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include "ElfTestUtils.h"
+#include "LogFake.h"
#include "MemoryFake.h"
#if !defined(PT_ARM_EXIDX)
#define PT_ARM_EXIDX 0x70000001
#endif
+namespace unwindstack {
+
class ElfTest : public ::testing::Test {
protected:
void SetUp() override {
memory_ = new MemoryFake;
}
- template <typename Ehdr>
- void InitEhdr(Ehdr* ehdr) {
- memset(ehdr, 0, sizeof(Ehdr));
- memcpy(&ehdr->e_ident[0], ELFMAG, SELFMAG);
- ehdr->e_ident[EI_DATA] = ELFDATA2LSB;
- ehdr->e_ident[EI_VERSION] = EV_CURRENT;
- ehdr->e_ident[EI_OSABI] = ELFOSABI_SYSV;
-
- ehdr->e_type = ET_DYN;
- ehdr->e_version = EV_CURRENT;
- }
-
- void InitElf32(uint32_t machine) {
+ void InitElf32(uint32_t machine_type) {
Elf32_Ehdr ehdr;
+ TestInitEhdr<Elf32_Ehdr>(&ehdr, ELFCLASS32, machine_type);
- InitEhdr<Elf32_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS32;
-
- ehdr.e_machine = machine;
- ehdr.e_entry = 0;
ehdr.e_phoff = 0x100;
- ehdr.e_shoff = 0;
- ehdr.e_flags = 0;
ehdr.e_ehsize = sizeof(ehdr);
ehdr.e_phentsize = sizeof(Elf32_Phdr);
ehdr.e_phnum = 1;
ehdr.e_shentsize = sizeof(Elf32_Shdr);
- ehdr.e_shnum = 0;
- ehdr.e_shstrndx = 0;
- if (machine == EM_ARM) {
+ if (machine_type == EM_ARM) {
ehdr.e_flags = 0x5000200;
ehdr.e_phnum = 2;
}
@@ -74,16 +59,13 @@
Elf32_Phdr phdr;
memset(&phdr, 0, sizeof(phdr));
phdr.p_type = PT_LOAD;
- phdr.p_offset = 0;
- phdr.p_vaddr = 0;
- phdr.p_paddr = 0;
phdr.p_filesz = 0x10000;
phdr.p_memsz = 0x10000;
phdr.p_flags = PF_R | PF_X;
phdr.p_align = 0x1000;
memory_->SetMemory(0x100, &phdr, sizeof(phdr));
- if (machine == EM_ARM) {
+ if (machine_type == EM_ARM) {
memset(&phdr, 0, sizeof(phdr));
phdr.p_type = PT_ARM_EXIDX;
phdr.p_offset = 0x30000;
@@ -97,31 +79,21 @@
}
}
- void InitElf64(uint32_t machine) {
+ void InitElf64(uint32_t machine_type) {
Elf64_Ehdr ehdr;
+ TestInitEhdr<Elf64_Ehdr>(&ehdr, ELFCLASS64, machine_type);
- InitEhdr<Elf64_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS64;
-
- ehdr.e_machine = machine;
- ehdr.e_entry = 0;
ehdr.e_phoff = 0x100;
- ehdr.e_shoff = 0;
ehdr.e_flags = 0x5000200;
ehdr.e_ehsize = sizeof(ehdr);
ehdr.e_phentsize = sizeof(Elf64_Phdr);
ehdr.e_phnum = 1;
ehdr.e_shentsize = sizeof(Elf64_Shdr);
- ehdr.e_shnum = 0;
- ehdr.e_shstrndx = 0;
memory_->SetMemory(0, &ehdr, sizeof(ehdr));
Elf64_Phdr phdr;
memset(&phdr, 0, sizeof(phdr));
phdr.p_type = PT_LOAD;
- phdr.p_offset = 0;
- phdr.p_vaddr = 0;
- phdr.p_paddr = 0;
phdr.p_filesz = 0x10000;
phdr.p_memsz = 0x10000;
phdr.p_flags = PF_R | PF_X;
@@ -129,12 +101,6 @@
memory_->SetMemory(0x100, &phdr, sizeof(phdr));
}
- template <typename Ehdr, typename Shdr>
- void GnuDebugdataInitFail(Ehdr* ehdr);
-
- template <typename Ehdr, typename Shdr>
- void GnuDebugdataInit(Ehdr* ehdr);
-
MemoryFake* memory_;
};
@@ -166,6 +132,32 @@
ASSERT_FALSE(elf.Step(0, nullptr, nullptr));
}
+TEST_F(ElfTest, elf32_invalid_machine) {
+ Elf elf(memory_);
+
+ InitElf32(EM_PPC);
+
+ ResetLogs();
+ ASSERT_FALSE(elf.Init());
+
+ ASSERT_EQ("", GetFakeLogBuf());
+ ASSERT_EQ("4 unwind 32 bit elf that is neither arm nor x86: e_machine = 20\n\n",
+ GetFakeLogPrint());
+}
+
+TEST_F(ElfTest, elf64_invalid_machine) {
+ Elf elf(memory_);
+
+ InitElf64(EM_PPC64);
+
+ ResetLogs();
+ ASSERT_FALSE(elf.Init());
+
+ ASSERT_EQ("", GetFakeLogBuf());
+ ASSERT_EQ("4 unwind 64 bit elf that is neither aarch64 nor x86_64: e_machine = 21\n\n",
+ GetFakeLogPrint());
+}
+
TEST_F(ElfTest, elf_arm) {
Elf elf(memory_);
@@ -214,153 +206,94 @@
ASSERT_TRUE(elf.interface() != nullptr);
}
-template <typename Ehdr, typename Shdr>
-void ElfTest::GnuDebugdataInitFail(Ehdr* ehdr) {
+TEST_F(ElfTest, gnu_debugdata_init_fail32) {
+ TestInitGnuDebugdata<Elf32_Ehdr, Elf32_Shdr>(ELFCLASS32, EM_ARM, false,
+ [&](uint64_t offset, const void* ptr, size_t size) {
+ memory_->SetMemory(offset, ptr, size);
+ });
+
Elf elf(memory_);
-
- uint64_t offset = 0x2000;
-
- ehdr->e_shoff = offset;
- ehdr->e_shnum = 3;
- ehdr->e_shentsize = sizeof(Shdr);
- ehdr->e_shstrndx = 2;
- memory_->SetMemory(0, ehdr, sizeof(*ehdr));
-
- Shdr shdr;
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_NULL;
- memory_->SetMemory(offset, &shdr, sizeof(shdr));
- offset += ehdr->e_shentsize;
-
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_PROGBITS;
- shdr.sh_name = 0x100;
- shdr.sh_addr = 0x5000;
- shdr.sh_offset = 0x5000;
- shdr.sh_entsize = 0x100;
- shdr.sh_size = 0x800;
- memory_->SetMemory(offset, &shdr, sizeof(shdr));
- offset += ehdr->e_shentsize;
-
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_STRTAB;
- shdr.sh_name = 0x200000;
- shdr.sh_offset = 0xf000;
- shdr.sh_size = 0x1000;
- memory_->SetMemory(offset, &shdr, sizeof(shdr));
- offset += ehdr->e_shentsize;
-
- memory_->SetMemory(0xf100, ".gnu_debugdata", sizeof(".gnu_debugdata"));
-
ASSERT_TRUE(elf.Init());
ASSERT_TRUE(elf.interface() != nullptr);
ASSERT_TRUE(elf.gnu_debugdata_interface() == nullptr);
- EXPECT_EQ(0x5000U, elf.interface()->gnu_debugdata_offset());
- EXPECT_EQ(0x800U, elf.interface()->gnu_debugdata_size());
-
- elf.InitGnuDebugdata();
-}
-
-TEST_F(ElfTest, gnu_debugdata_init_fail32) {
- Elf32_Ehdr ehdr;
- InitEhdr<Elf32_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS32;
- ehdr.e_machine = EM_ARM;
-
- GnuDebugdataInitFail<Elf32_Ehdr, Elf32_Shdr>(&ehdr);
+ EXPECT_EQ(0x1acU, elf.interface()->gnu_debugdata_offset());
+ EXPECT_EQ(0x100U, elf.interface()->gnu_debugdata_size());
}
TEST_F(ElfTest, gnu_debugdata_init_fail64) {
- Elf64_Ehdr ehdr;
- InitEhdr<Elf64_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS64;
- ehdr.e_machine = EM_AARCH64;
+ TestInitGnuDebugdata<Elf64_Ehdr, Elf64_Shdr>(ELFCLASS64, EM_AARCH64, false,
+ [&](uint64_t offset, const void* ptr, size_t size) {
+ memory_->SetMemory(offset, ptr, size);
+ });
- GnuDebugdataInitFail<Elf64_Ehdr, Elf64_Shdr>(&ehdr);
-}
-
-template <typename Ehdr, typename Shdr>
-void ElfTest::GnuDebugdataInit(Ehdr* ehdr) {
Elf elf(memory_);
-
- uint64_t offset = 0x2000;
-
- ehdr->e_shoff = offset;
- ehdr->e_shnum = 3;
- ehdr->e_shentsize = sizeof(Shdr);
- ehdr->e_shstrndx = 2;
- memory_->SetMemory(0, ehdr, sizeof(*ehdr));
-
- Shdr shdr;
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_NULL;
- memory_->SetMemory(offset, &shdr, sizeof(shdr));
- offset += ehdr->e_shentsize;
-
- uint64_t gnu_offset = offset;
- offset += ehdr->e_shentsize;
-
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_STRTAB;
- shdr.sh_name = 0x200000;
- shdr.sh_offset = 0xf000;
- shdr.sh_size = 0x1000;
- memory_->SetMemory(offset, &shdr, sizeof(shdr));
- offset += ehdr->e_shentsize;
-
- memory_->SetMemory(0xf100, ".gnu_debugdata", sizeof(".gnu_debugdata"));
-
- // Read in the compressed elf data and put it in our fake memory.
- std::string name("tests/");
- if (sizeof(Ehdr) == sizeof(Elf32_Ehdr)) {
- name += "elf32.xz";
- } else {
- name += "elf64.xz";
- }
- int fd = TEMP_FAILURE_RETRY(open(name.c_str(), O_RDONLY));
- ASSERT_NE(-1, fd) << "Cannot open " + name;
- // Assumes the file is less than 1024 bytes.
- std::vector<uint8_t> buf(1024);
- ssize_t bytes = TEMP_FAILURE_RETRY(read(fd, buf.data(), buf.size()));
- ASSERT_GT(bytes, 0);
- // Make sure the file isn't too big.
- ASSERT_NE(static_cast<size_t>(bytes), buf.size())
- << "File " + name + " is too big, increase buffer size.";
- close(fd);
- buf.resize(bytes);
- memory_->SetMemory(0x5000, buf);
-
- memset(&shdr, 0, sizeof(shdr));
- shdr.sh_type = SHT_PROGBITS;
- shdr.sh_name = 0x100;
- shdr.sh_addr = 0x5000;
- shdr.sh_offset = 0x5000;
- shdr.sh_size = bytes;
- memory_->SetMemory(gnu_offset, &shdr, sizeof(shdr));
-
ASSERT_TRUE(elf.Init());
ASSERT_TRUE(elf.interface() != nullptr);
ASSERT_TRUE(elf.gnu_debugdata_interface() == nullptr);
- EXPECT_EQ(0x5000U, elf.interface()->gnu_debugdata_offset());
+ EXPECT_EQ(0x200U, elf.interface()->gnu_debugdata_offset());
+ EXPECT_EQ(0x100U, elf.interface()->gnu_debugdata_size());
+}
+
+TEST_F(ElfTest, gnu_debugdata_init32) {
+ TestInitGnuDebugdata<Elf32_Ehdr, Elf32_Shdr>(ELFCLASS32, EM_ARM, true,
+ [&](uint64_t offset, const void* ptr, size_t size) {
+ memory_->SetMemory(offset, ptr, size);
+ });
+
+ Elf elf(memory_);
+ ASSERT_TRUE(elf.Init());
+ ASSERT_TRUE(elf.interface() != nullptr);
+ ASSERT_TRUE(elf.gnu_debugdata_interface() == nullptr);
+ EXPECT_EQ(0x1acU, elf.interface()->gnu_debugdata_offset());
+ EXPECT_EQ(0x8cU, elf.interface()->gnu_debugdata_size());
elf.InitGnuDebugdata();
ASSERT_TRUE(elf.gnu_debugdata_interface() != nullptr);
}
-TEST_F(ElfTest, gnu_debugdata_init32) {
- Elf32_Ehdr ehdr;
- InitEhdr<Elf32_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS32;
- ehdr.e_machine = EM_ARM;
-
- GnuDebugdataInit<Elf32_Ehdr, Elf32_Shdr>(&ehdr);
-}
-
TEST_F(ElfTest, gnu_debugdata_init64) {
- Elf64_Ehdr ehdr;
- InitEhdr<Elf64_Ehdr>(&ehdr);
- ehdr.e_ident[EI_CLASS] = ELFCLASS64;
- ehdr.e_machine = EM_AARCH64;
+ TestInitGnuDebugdata<Elf64_Ehdr, Elf64_Shdr>(ELFCLASS64, EM_AARCH64, true,
+ [&](uint64_t offset, const void* ptr, size_t size) {
+ memory_->SetMemory(offset, ptr, size);
+ });
- GnuDebugdataInit<Elf64_Ehdr, Elf64_Shdr>(&ehdr);
+ Elf elf(memory_);
+ ASSERT_TRUE(elf.Init());
+ ASSERT_TRUE(elf.interface() != nullptr);
+ ASSERT_TRUE(elf.gnu_debugdata_interface() == nullptr);
+ EXPECT_EQ(0x200U, elf.interface()->gnu_debugdata_offset());
+ EXPECT_EQ(0x90U, elf.interface()->gnu_debugdata_size());
+
+ elf.InitGnuDebugdata();
+ ASSERT_TRUE(elf.gnu_debugdata_interface() != nullptr);
}
+
+class MockElf : public Elf {
+ public:
+ MockElf(Memory* memory) : Elf(memory) {}
+ virtual ~MockElf() = default;
+
+ void set_valid(bool valid) { valid_ = valid; }
+ void set_elf_interface(ElfInterface* interface) { interface_.reset(interface); }
+};
+
+TEST_F(ElfTest, rel_pc) {
+ MockElf elf(memory_);
+
+ ElfInterface* interface = new ElfInterface32(memory_);
+ elf.set_elf_interface(interface);
+
+ elf.set_valid(true);
+ interface->set_load_bias(0);
+ MapInfo map_info{.start = 0x1000, .end = 0x2000};
+
+ ASSERT_EQ(0x101U, elf.GetRelPc(0x1101, &map_info));
+
+ interface->set_load_bias(0x3000);
+ ASSERT_EQ(0x3101U, elf.GetRelPc(0x1101, &map_info));
+
+ elf.set_valid(false);
+ ASSERT_EQ(0x101U, elf.GetRelPc(0x1101, &map_info));
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ElfTestUtils.cpp b/libunwindstack/tests/ElfTestUtils.cpp
new file mode 100644
index 0000000..069386b
--- /dev/null
+++ b/libunwindstack/tests/ElfTestUtils.cpp
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <elf.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <string>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include "ElfTestUtils.h"
+
+namespace unwindstack {
+
+template <typename Ehdr>
+void TestInitEhdr(Ehdr* ehdr, uint32_t elf_class, uint32_t machine_type) {
+ memset(ehdr, 0, sizeof(Ehdr));
+ memcpy(&ehdr->e_ident[0], ELFMAG, SELFMAG);
+ ehdr->e_ident[EI_DATA] = ELFDATA2LSB;
+ ehdr->e_ident[EI_VERSION] = EV_CURRENT;
+ ehdr->e_ident[EI_OSABI] = ELFOSABI_SYSV;
+ ehdr->e_ident[EI_CLASS] = elf_class;
+ ehdr->e_type = ET_DYN;
+ ehdr->e_machine = machine_type;
+ ehdr->e_version = EV_CURRENT;
+ ehdr->e_ehsize = sizeof(Ehdr);
+}
+
+static std::string GetTestFileDirectory() {
+ std::string exec(testing::internal::GetArgvs()[0]);
+ auto const value = exec.find_last_of('/');
+ if (value == std::string::npos) {
+ return "tests/files/";
+ }
+ return exec.substr(0, value + 1) + "tests/files/";
+}
+
+template <typename Ehdr, typename Shdr>
+void TestInitGnuDebugdata(uint32_t elf_class, uint32_t machine, bool init_gnu_debugdata,
+ TestCopyFuncType copy_func) {
+ Ehdr ehdr;
+
+ TestInitEhdr(&ehdr, elf_class, machine);
+
+ uint64_t offset = sizeof(Ehdr);
+ ehdr.e_shoff = offset;
+ ehdr.e_shnum = 3;
+ ehdr.e_shentsize = sizeof(Shdr);
+ ehdr.e_shstrndx = 2;
+ copy_func(0, &ehdr, sizeof(ehdr));
+
+ Shdr shdr;
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_type = SHT_NULL;
+ copy_func(offset, &shdr, sizeof(shdr));
+ offset += ehdr.e_shentsize;
+
+ // Skip this header, it will contain the gnu_debugdata information.
+ uint64_t gnu_offset = offset;
+ offset += ehdr.e_shentsize;
+
+ uint64_t symtab_offset = sizeof(ehdr) + ehdr.e_shnum * ehdr.e_shentsize;
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_name = 1;
+ shdr.sh_type = SHT_STRTAB;
+ shdr.sh_offset = symtab_offset;
+ shdr.sh_size = 0x100;
+ copy_func(offset, &shdr, sizeof(shdr));
+
+ char value = '\0';
+ uint64_t symname_offset = symtab_offset;
+ copy_func(symname_offset, &value, 1);
+ symname_offset++;
+ std::string name(".shstrtab");
+ copy_func(symname_offset, name.c_str(), name.size() + 1);
+ symname_offset += name.size() + 1;
+ name = ".gnu_debugdata";
+ copy_func(symname_offset, name.c_str(), name.size() + 1);
+
+ ssize_t bytes = 0x100;
+ offset = symtab_offset + 0x100;
+ if (init_gnu_debugdata) {
+ // Read in the compressed elf data and copy it in.
+ name = GetTestFileDirectory();
+ if (elf_class == ELFCLASS32) {
+ name += "elf32.xz";
+ } else {
+ name += "elf64.xz";
+ }
+ int fd = TEMP_FAILURE_RETRY(open(name.c_str(), O_RDONLY));
+ ASSERT_NE(-1, fd) << "Cannot open " + name;
+ // Assumes the file is less than 1024 bytes.
+ std::vector<uint8_t> buf(1024);
+ bytes = TEMP_FAILURE_RETRY(read(fd, buf.data(), buf.size()));
+ ASSERT_GT(bytes, 0);
+ // Make sure the file isn't too big.
+ ASSERT_NE(static_cast<size_t>(bytes), buf.size())
+ << "File " + name + " is too big, increase buffer size.";
+ close(fd);
+ buf.resize(bytes);
+ copy_func(offset, buf.data(), buf.size());
+ }
+
+ memset(&shdr, 0, sizeof(shdr));
+ shdr.sh_type = SHT_PROGBITS;
+ shdr.sh_name = symname_offset - symtab_offset;
+ shdr.sh_addr = offset;
+ shdr.sh_offset = offset;
+ shdr.sh_size = bytes;
+ copy_func(gnu_offset, &shdr, sizeof(shdr));
+}
+
+template void TestInitEhdr<Elf32_Ehdr>(Elf32_Ehdr*, uint32_t, uint32_t);
+template void TestInitEhdr<Elf64_Ehdr>(Elf64_Ehdr*, uint32_t, uint32_t);
+
+template void TestInitGnuDebugdata<Elf32_Ehdr, Elf32_Shdr>(uint32_t, uint32_t, bool,
+ TestCopyFuncType);
+template void TestInitGnuDebugdata<Elf64_Ehdr, Elf64_Shdr>(uint32_t, uint32_t, bool,
+ TestCopyFuncType);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/ElfTestUtils.h b/libunwindstack/tests/ElfTestUtils.h
new file mode 100644
index 0000000..6ef00e1
--- /dev/null
+++ b/libunwindstack/tests/ElfTestUtils.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
+#define _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
+
+#include <functional>
+
+namespace unwindstack {
+
+typedef std::function<void(uint64_t, const void*, size_t)> TestCopyFuncType;
+
+template <typename Ehdr>
+void TestInitEhdr(Ehdr* ehdr, uint32_t elf_class, uint32_t machine_type);
+
+template <typename Ehdr, typename Shdr>
+void TestInitGnuDebugdata(uint32_t elf_class, uint32_t machine_type, bool init_gnu_debudata,
+ TestCopyFuncType copy_func);
+
+} // namespace unwindstack
+
+#endif // _LIBUNWINDSTACK_TESTS_ELF_TEST_UTILS_H
diff --git a/libunwindstack/tests/LogFake.cpp b/libunwindstack/tests/LogFake.cpp
index 411594a..537ccaf 100644
--- a/libunwindstack/tests/LogFake.cpp
+++ b/libunwindstack/tests/LogFake.cpp
@@ -25,7 +25,6 @@
#include "LogFake.h"
// Forward declarations.
-class Backtrace;
struct EventTagMap;
struct AndroidLogEntry;
@@ -33,6 +32,8 @@
std::string g_fake_log_print;
+namespace unwindstack {
+
void ResetLogs() {
g_fake_log_buf = "";
g_fake_log_print = "";
@@ -46,6 +47,8 @@
return g_fake_log_print;
}
+} // namespace unwindstack
+
extern "C" int __android_log_buf_write(int bufId, int prio, const char* tag, const char* msg) {
g_fake_log_buf += std::to_string(bufId) + ' ' + std::to_string(prio) + ' ';
g_fake_log_buf += tag;
diff --git a/libunwindstack/tests/LogFake.h b/libunwindstack/tests/LogFake.h
index 006d393..e1dc50d 100644
--- a/libunwindstack/tests/LogFake.h
+++ b/libunwindstack/tests/LogFake.h
@@ -19,8 +19,12 @@
#include <string>
+namespace unwindstack {
+
void ResetLogs();
std::string GetFakeLogBuf();
std::string GetFakeLogPrint();
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_TESTS_LOG_FAKE_H
diff --git a/libunwindstack/tests/MapInfoTest.cpp b/libunwindstack/tests/MapInfoCreateMemoryTest.cpp
similarity index 84%
rename from libunwindstack/tests/MapInfoTest.cpp
rename to libunwindstack/tests/MapInfoCreateMemoryTest.cpp
index 6e47dc0..9e45e78 100644
--- a/libunwindstack/tests/MapInfoTest.cpp
+++ b/libunwindstack/tests/MapInfoCreateMemoryTest.cpp
@@ -30,11 +30,13 @@
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
-#include "Elf.h"
-#include "MapInfo.h"
-#include "Memory.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Memory.h>
-class MapInfoTest : public ::testing::Test {
+namespace unwindstack {
+
+class MapInfoCreateMemoryTest : public ::testing::Test {
protected:
static void SetUpTestCase() {
std::vector<uint8_t> buffer(1024);
@@ -58,10 +60,10 @@
static TemporaryFile elf_at_100_;
};
-TemporaryFile MapInfoTest::elf_;
-TemporaryFile MapInfoTest::elf_at_100_;
+TemporaryFile MapInfoCreateMemoryTest::elf_;
+TemporaryFile MapInfoCreateMemoryTest::elf_at_100_;
-TEST_F(MapInfoTest, end_le_start) {
+TEST_F(MapInfoCreateMemoryTest, end_le_start) {
MapInfo info{.start = 0x100, .end = 0x100, .offset = 0, .name = elf_.path};
std::unique_ptr<Memory> memory;
@@ -80,7 +82,7 @@
// Verify that if the offset is non-zero but there is no elf at the offset,
// that the full file is used.
-TEST_F(MapInfoTest, create_memory_file_backed_non_zero_offset_full_file) {
+TEST_F(MapInfoCreateMemoryTest, file_backed_non_zero_offset_full_file) {
MapInfo info{.start = 0x100, .end = 0x200, .offset = 0x100, .name = elf_.path};
std::unique_ptr<Memory> memory(info.CreateMemory(getpid()));
@@ -100,7 +102,7 @@
// Verify that if the offset is non-zero and there is an elf at that
// offset, that only part of the file is used.
-TEST_F(MapInfoTest, create_memory_file_backed_non_zero_offset_partial_file) {
+TEST_F(MapInfoCreateMemoryTest, file_backed_non_zero_offset_partial_file) {
MapInfo info{.start = 0x100, .end = 0x200, .offset = 0x100, .name = elf_at_100_.path};
std::unique_ptr<Memory> memory(info.CreateMemory(getpid()));
@@ -119,7 +121,7 @@
}
// Verify that device file names will never result in Memory object creation.
-TEST_F(MapInfoTest, create_memory_check_device_maps) {
+TEST_F(MapInfoCreateMemoryTest, check_device_maps) {
// Set up some memory so that a valid local memory object would
// be returned if the file mapping fails, but the device check is incorrect.
std::vector<uint8_t> buffer(1024);
@@ -135,7 +137,7 @@
ASSERT_TRUE(memory.get() == nullptr);
}
-TEST_F(MapInfoTest, create_memory_local_memory) {
+TEST_F(MapInfoCreateMemoryTest, local_memory) {
// Set up some memory for a valid local memory object.
std::vector<uint8_t> buffer(1024);
for (size_t i = 0; i < buffer.size(); i++) {
@@ -160,7 +162,7 @@
ASSERT_FALSE(memory->Read(read_buffer.size(), read_buffer.data(), 1));
}
-TEST_F(MapInfoTest, create_memory_remote_memory) {
+TEST_F(MapInfoCreateMemoryTest, remote_memory) {
std::vector<uint8_t> buffer(1024);
memset(buffer.data(), 0xa, buffer.size());
@@ -201,20 +203,7 @@
ASSERT_TRUE(ptrace(PTRACE_DETACH, pid, 0, 0) == 0);
kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
}
-TEST_F(MapInfoTest, get_elf) {
- // Create a map to use as initialization data.
- void* map = mmap(nullptr, 1024, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
- ASSERT_NE(MAP_FAILED, map);
-
- uint64_t start = reinterpret_cast<uint64_t>(map);
- MapInfo info{.start = start, .end = start + 1024, .offset = 0, .name = ""};
-
- // The map contains garbage, but this should still produce an elf object.
- std::unique_ptr<Elf> elf(info.GetElf(getpid(), false));
- ASSERT_TRUE(elf.get() != nullptr);
- ASSERT_FALSE(elf->valid());
-
- ASSERT_EQ(0, munmap(map, 1024));
-}
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MapInfoGetElfTest.cpp b/libunwindstack/tests/MapInfoGetElfTest.cpp
new file mode 100644
index 0000000..abfa172
--- /dev/null
+++ b/libunwindstack/tests/MapInfoGetElfTest.cpp
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <elf.h>
+#include <errno.h>
+#include <signal.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <memory>
+#include <vector>
+
+#include <android-base/file.h>
+#include <android-base/test_utils.h>
+#include <gtest/gtest.h>
+
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Memory.h>
+
+#include "ElfTestUtils.h"
+
+namespace unwindstack {
+
+class MapInfoGetElfTest : public ::testing::Test {
+ protected:
+ void SetUp() override {
+ map_ = mmap(nullptr, kMapSize, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ ASSERT_NE(MAP_FAILED, map_);
+
+ uint64_t start = reinterpret_cast<uint64_t>(map_);
+ info_.reset(new MapInfo{.start = start, .end = start + 1024, .offset = 0, .name = ""});
+ }
+
+ void TearDown() override { munmap(map_, kMapSize); }
+
+ const size_t kMapSize = 4096;
+
+ void* map_ = nullptr;
+ std::unique_ptr<MapInfo> info_;
+};
+
+TEST_F(MapInfoGetElfTest, invalid) {
+ // The map is empty, but this should still create an invalid elf object.
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), false));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_FALSE(elf->valid());
+}
+
+TEST_F(MapInfoGetElfTest, valid32) {
+ Elf32_Ehdr ehdr;
+ TestInitEhdr<Elf32_Ehdr>(&ehdr, ELFCLASS32, EM_ARM);
+ memcpy(map_, &ehdr, sizeof(ehdr));
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), false));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_ARM), elf->machine_type());
+ EXPECT_EQ(ELFCLASS32, elf->class_type());
+}
+
+TEST_F(MapInfoGetElfTest, valid64) {
+ Elf64_Ehdr ehdr;
+ TestInitEhdr<Elf64_Ehdr>(&ehdr, ELFCLASS64, EM_AARCH64);
+ memcpy(map_, &ehdr, sizeof(ehdr));
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), false));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_AARCH64), elf->machine_type());
+ EXPECT_EQ(ELFCLASS64, elf->class_type());
+}
+
+TEST_F(MapInfoGetElfTest, gnu_debugdata_do_not_init32) {
+ TestInitGnuDebugdata<Elf32_Ehdr, Elf32_Shdr>(
+ ELFCLASS32, EM_ARM, false, [&](uint64_t offset, const void* ptr, size_t size) {
+ memcpy(&reinterpret_cast<uint8_t*>(map_)[offset], ptr, size);
+ });
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), false));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_ARM), elf->machine_type());
+ EXPECT_EQ(ELFCLASS32, elf->class_type());
+ EXPECT_TRUE(elf->gnu_debugdata_interface() == nullptr);
+}
+
+TEST_F(MapInfoGetElfTest, gnu_debugdata_do_not_init64) {
+ TestInitGnuDebugdata<Elf64_Ehdr, Elf64_Shdr>(
+ ELFCLASS64, EM_AARCH64, false, [&](uint64_t offset, const void* ptr, size_t size) {
+ memcpy(&reinterpret_cast<uint8_t*>(map_)[offset], ptr, size);
+ });
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), false));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_AARCH64), elf->machine_type());
+ EXPECT_EQ(ELFCLASS64, elf->class_type());
+ EXPECT_TRUE(elf->gnu_debugdata_interface() == nullptr);
+}
+
+TEST_F(MapInfoGetElfTest, gnu_debugdata_init32) {
+ TestInitGnuDebugdata<Elf32_Ehdr, Elf32_Shdr>(
+ ELFCLASS32, EM_ARM, true, [&](uint64_t offset, const void* ptr, size_t size) {
+ memcpy(&reinterpret_cast<uint8_t*>(map_)[offset], ptr, size);
+ });
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), true));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_ARM), elf->machine_type());
+ EXPECT_EQ(ELFCLASS32, elf->class_type());
+ EXPECT_TRUE(elf->gnu_debugdata_interface() != nullptr);
+}
+
+TEST_F(MapInfoGetElfTest, gnu_debugdata_init64) {
+ TestInitGnuDebugdata<Elf64_Ehdr, Elf64_Shdr>(
+ ELFCLASS64, EM_AARCH64, true, [&](uint64_t offset, const void* ptr, size_t size) {
+ memcpy(&reinterpret_cast<uint8_t*>(map_)[offset], ptr, size);
+ });
+
+ std::unique_ptr<Elf> elf(info_->GetElf(getpid(), true));
+ ASSERT_TRUE(elf.get() != nullptr);
+ ASSERT_TRUE(elf->valid());
+ EXPECT_EQ(static_cast<uint32_t>(EM_AARCH64), elf->machine_type());
+ EXPECT_EQ(ELFCLASS64, elf->class_type());
+ EXPECT_TRUE(elf->gnu_debugdata_interface() != nullptr);
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MapsTest.cpp b/libunwindstack/tests/MapsTest.cpp
index 7eb9bae..9430cf3 100644
--- a/libunwindstack/tests/MapsTest.cpp
+++ b/libunwindstack/tests/MapsTest.cpp
@@ -20,7 +20,9 @@
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
-#include "Maps.h"
+#include <unwindstack/Maps.h>
+
+namespace unwindstack {
TEST(MapsTest, parse_permissions) {
BufferMaps maps(
@@ -235,3 +237,5 @@
ASSERT_EQ(PROT_READ | PROT_WRITE | PROT_EXEC, info->flags);
ASSERT_EQ("/system/lib/fake5.so", info->name);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryBuffer.cpp b/libunwindstack/tests/MemoryBufferTest.cpp
similarity index 96%
rename from libunwindstack/tests/MemoryBuffer.cpp
rename to libunwindstack/tests/MemoryBufferTest.cpp
index af3d6b9..50a8a1b 100644
--- a/libunwindstack/tests/MemoryBuffer.cpp
+++ b/libunwindstack/tests/MemoryBufferTest.cpp
@@ -18,10 +18,12 @@
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
#include "LogFake.h"
+namespace unwindstack {
+
class MemoryBufferTest : public ::testing::Test {
protected:
void SetUp() override {
@@ -75,3 +77,5 @@
ASSERT_FALSE(memory_->Read(UINT64_MAX - 100, buffer.data(), 200));
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryFake.cpp b/libunwindstack/tests/MemoryFake.cpp
index afb1029..2026acc 100644
--- a/libunwindstack/tests/MemoryFake.cpp
+++ b/libunwindstack/tests/MemoryFake.cpp
@@ -21,6 +21,8 @@
#include "MemoryFake.h"
+namespace unwindstack {
+
void MemoryFake::SetMemory(uint64_t addr, const void* memory, size_t length) {
const uint8_t* src = reinterpret_cast<const uint8_t*>(memory);
for (size_t i = 0; i < length; i++, addr++) {
@@ -44,3 +46,5 @@
}
return true;
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryFake.h b/libunwindstack/tests/MemoryFake.h
index 70ef30a..d374261 100644
--- a/libunwindstack/tests/MemoryFake.h
+++ b/libunwindstack/tests/MemoryFake.h
@@ -23,7 +23,9 @@
#include <vector>
#include <unordered_map>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
class MemoryFake : public Memory {
public:
@@ -87,4 +89,6 @@
}
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_TESTS_MEMORY_FAKE_H
diff --git a/libunwindstack/tests/MemoryFileTest.cpp b/libunwindstack/tests/MemoryFileTest.cpp
index aa7a23a..a204bae 100644
--- a/libunwindstack/tests/MemoryFileTest.cpp
+++ b/libunwindstack/tests/MemoryFileTest.cpp
@@ -21,7 +21,9 @@
#include <android-base/file.h>
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
class MemoryFileTest : public ::testing::Test {
protected:
@@ -269,3 +271,5 @@
ASSERT_EQ(2, read_buffer[i]) << "Failed at byte " << i;
}
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryLocalTest.cpp b/libunwindstack/tests/MemoryLocalTest.cpp
index ab999da..73eebdd 100644
--- a/libunwindstack/tests/MemoryLocalTest.cpp
+++ b/libunwindstack/tests/MemoryLocalTest.cpp
@@ -21,7 +21,9 @@
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
+
+namespace unwindstack {
TEST(MemoryLocalTest, read) {
std::vector<uint8_t> src(1024);
@@ -64,3 +66,5 @@
uint64_t value;
ASSERT_FALSE(local.Read(reinterpret_cast<uint64_t>(&value), dst.data(), SIZE_MAX));
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryRangeTest.cpp b/libunwindstack/tests/MemoryRangeTest.cpp
index 469afcc..6d1366c 100644
--- a/libunwindstack/tests/MemoryRangeTest.cpp
+++ b/libunwindstack/tests/MemoryRangeTest.cpp
@@ -22,10 +22,12 @@
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
TEST(MemoryRangeTest, read) {
std::vector<uint8_t> src(1024);
memset(src.data(), 0x4c, 1024);
@@ -70,3 +72,5 @@
std::unique_ptr<MemoryRange> overflow(new MemoryRange(new MemoryFakeAlwaysReadZero, 100, 200));
ASSERT_FALSE(overflow->Read(UINT64_MAX - 10, buffer.data(), 100));
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryRemoteTest.cpp b/libunwindstack/tests/MemoryRemoteTest.cpp
index e48edf7..f8965b2 100644
--- a/libunwindstack/tests/MemoryRemoteTest.cpp
+++ b/libunwindstack/tests/MemoryRemoteTest.cpp
@@ -31,10 +31,12 @@
#include <android-base/file.h>
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
class MemoryRemoteTest : public ::testing::Test {
protected:
static uint64_t NanoTime() {
@@ -91,6 +93,7 @@
ASSERT_TRUE(Detach(pid));
kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
}
TEST_F(MemoryRemoteTest, read_fail) {
@@ -131,6 +134,7 @@
ASSERT_TRUE(Detach(pid));
kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
}
TEST_F(MemoryRemoteTest, read_overflow) {
@@ -160,4 +164,7 @@
ASSERT_TRUE(Detach(pid));
kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/MemoryTest.cpp b/libunwindstack/tests/MemoryTest.cpp
index 51b5d7d..4a9ed9f 100644
--- a/libunwindstack/tests/MemoryTest.cpp
+++ b/libunwindstack/tests/MemoryTest.cpp
@@ -22,10 +22,12 @@
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
TEST(MemoryTest, read32) {
MemoryFakeAlwaysReadZero memory;
@@ -124,3 +126,5 @@
ASSERT_TRUE(memory.ReadString(0, &dst_name));
ASSERT_EQ("short", dst_name);
}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/RegsFake.h b/libunwindstack/tests/RegsFake.h
index ff030c8..6669d7d 100644
--- a/libunwindstack/tests/RegsFake.h
+++ b/libunwindstack/tests/RegsFake.h
@@ -19,7 +19,10 @@
#include <stdint.h>
-#include "Regs.h"
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
+namespace unwindstack {
template <typename TypeParam>
class RegsFake : public RegsImpl<TypeParam> {
@@ -28,9 +31,12 @@
: RegsImpl<TypeParam>(total_regs, sp_reg, Regs::Location(Regs::LOCATION_UNKNOWN, 0)) {}
virtual ~RegsFake() = default;
- uint64_t GetRelPc(Elf*, const MapInfo*) override { return 0; }
uint64_t GetAdjustedPc(uint64_t, Elf*) override { return 0; }
+ void SetFromRaw() override {}
+ bool StepIfSignalHandler(uint64_t, Elf*, Memory*) override { return false; }
bool GetReturnAddressFromDefault(Memory*, uint64_t*) { return false; }
};
+} // namespace unwindstack
+
#endif // _LIBUNWINDSTACK_TESTS_REGS_FAKE_H
diff --git a/libunwindstack/tests/RegsStepIfSignalHandlerTest.cpp b/libunwindstack/tests/RegsStepIfSignalHandlerTest.cpp
new file mode 100644
index 0000000..85192d5
--- /dev/null
+++ b/libunwindstack/tests/RegsStepIfSignalHandlerTest.cpp
@@ -0,0 +1,201 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdint.h>
+
+#include <gtest/gtest.h>
+
+#include <unwindstack/Elf.h>
+#include <unwindstack/Regs.h>
+
+#include "Machine.h"
+
+#include "MemoryFake.h"
+
+namespace unwindstack {
+
+class RegsStepIfSignalHandlerTest : public ::testing::Test {
+ protected:
+ void SetUp() override {
+ elf_memory_ = new MemoryFake;
+ elf_.reset(new Elf(elf_memory_));
+ }
+
+ void ArmStepIfSignalHandlerNonRt(uint32_t pc_data);
+ void ArmStepIfSignalHandlerRt(uint32_t pc_data);
+
+ MemoryFake* elf_memory_;
+ MemoryFake process_memory_;
+ std::unique_ptr<Elf> elf_;
+};
+
+void RegsStepIfSignalHandlerTest::ArmStepIfSignalHandlerNonRt(uint32_t pc_data) {
+ uint64_t addr = 0x1000;
+ RegsArm regs;
+ regs[ARM_REG_PC] = 0x5000;
+ regs[ARM_REG_SP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData32(0x5000, pc_data);
+
+ for (uint64_t index = 0; index <= 30; index++) {
+ process_memory_.SetData32(addr + index * 4, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x5000, elf_.get(), &process_memory_));
+ EXPECT_EQ(0x100U, regs[ARM_REG_SP]);
+ EXPECT_EQ(0x120U, regs[ARM_REG_PC]);
+ EXPECT_EQ(0x100U, regs.sp());
+ EXPECT_EQ(0x120U, regs.pc());
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, arm_step_if_signal_handler_non_rt) {
+ // Form 1
+ ArmStepIfSignalHandlerNonRt(0xe3a07077);
+
+ // Form 2
+ ArmStepIfSignalHandlerNonRt(0xef900077);
+
+ // Form 3
+ ArmStepIfSignalHandlerNonRt(0xdf002777);
+}
+
+void RegsStepIfSignalHandlerTest::ArmStepIfSignalHandlerRt(uint32_t pc_data) {
+ uint64_t addr = 0x1000;
+ RegsArm regs;
+ regs[ARM_REG_PC] = 0x5000;
+ regs[ARM_REG_SP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData32(0x5000, pc_data);
+
+ for (uint64_t index = 0; index <= 100; index++) {
+ process_memory_.SetData32(addr + index * 4, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x5000, elf_.get(), &process_memory_));
+ EXPECT_EQ(0x350U, regs[ARM_REG_SP]);
+ EXPECT_EQ(0x370U, regs[ARM_REG_PC]);
+ EXPECT_EQ(0x350U, regs.sp());
+ EXPECT_EQ(0x370U, regs.pc());
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, arm_step_if_signal_handler_rt) {
+ // Form 1
+ ArmStepIfSignalHandlerRt(0xe3a070ad);
+
+ // Form 2
+ ArmStepIfSignalHandlerRt(0xef9000ad);
+
+ // Form 3
+ ArmStepIfSignalHandlerRt(0xdf0027ad);
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, arm64_step_if_signal_handler) {
+ uint64_t addr = 0x1000;
+ RegsArm64 regs;
+ regs[ARM64_REG_PC] = 0x8000;
+ regs[ARM64_REG_SP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData64(0x8000, 0xd4000001d2801168ULL);
+
+ for (uint64_t index = 0; index <= 100; index++) {
+ process_memory_.SetData64(addr + index * 8, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x8000, elf_.get(), &process_memory_));
+ EXPECT_EQ(0x460U, regs[ARM64_REG_SP]);
+ EXPECT_EQ(0x470U, regs[ARM64_REG_PC]);
+ EXPECT_EQ(0x460U, regs.sp());
+ EXPECT_EQ(0x470U, regs.pc());
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, x86_step_if_signal_handler_no_siginfo) {
+ uint64_t addr = 0xa00;
+ RegsX86 regs;
+ regs[X86_REG_EIP] = 0x4100;
+ regs[X86_REG_ESP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData64(0x4100, 0x80cd00000077b858ULL);
+ for (uint64_t index = 0; index <= 25; index++) {
+ process_memory_.SetData32(addr + index * 4, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x4100, elf_.get(), &process_memory_));
+ EXPECT_EQ(0x70U, regs[X86_REG_EBP]);
+ EXPECT_EQ(0x80U, regs[X86_REG_ESP]);
+ EXPECT_EQ(0x90U, regs[X86_REG_EBX]);
+ EXPECT_EQ(0xa0U, regs[X86_REG_EDX]);
+ EXPECT_EQ(0xb0U, regs[X86_REG_ECX]);
+ EXPECT_EQ(0xc0U, regs[X86_REG_EAX]);
+ EXPECT_EQ(0xf0U, regs[X86_REG_EIP]);
+ EXPECT_EQ(0x80U, regs.sp());
+ EXPECT_EQ(0xf0U, regs.pc());
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, x86_step_if_signal_handler_siginfo) {
+ uint64_t addr = 0xa00;
+ RegsX86 regs;
+ regs[X86_REG_EIP] = 0x4100;
+ regs[X86_REG_ESP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData64(0x4100, 0x0080cd000000adb8ULL);
+ addr += 8;
+ // Pointer to ucontext data.
+ process_memory_.SetData32(addr, 0x8100);
+
+ addr = 0x8100;
+ for (uint64_t index = 0; index <= 30; index++) {
+ process_memory_.SetData32(addr + index * 4, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x4100, elf_.get(), &process_memory_));
+ EXPECT_EQ(0xb0U, regs[X86_REG_EBP]);
+ EXPECT_EQ(0xc0U, regs[X86_REG_ESP]);
+ EXPECT_EQ(0xd0U, regs[X86_REG_EBX]);
+ EXPECT_EQ(0xe0U, regs[X86_REG_EDX]);
+ EXPECT_EQ(0xf0U, regs[X86_REG_ECX]);
+ EXPECT_EQ(0x100U, regs[X86_REG_EAX]);
+ EXPECT_EQ(0x130U, regs[X86_REG_EIP]);
+ EXPECT_EQ(0xc0U, regs.sp());
+ EXPECT_EQ(0x130U, regs.pc());
+}
+
+TEST_F(RegsStepIfSignalHandlerTest, x86_64_step_if_signal_handler) {
+ uint64_t addr = 0x500;
+ RegsX86_64 regs;
+ regs[X86_64_REG_RIP] = 0x7000;
+ regs[X86_64_REG_RSP] = addr;
+ regs.SetFromRaw();
+
+ elf_memory_->SetData64(0x7000, 0x0f0000000fc0c748);
+ elf_memory_->SetData16(0x7008, 0x0f05);
+
+ for (uint64_t index = 0; index <= 30; index++) {
+ process_memory_.SetData64(addr + index * 8, index * 0x10);
+ }
+
+ ASSERT_TRUE(regs.StepIfSignalHandler(0x7000, elf_.get(), &process_memory_));
+ EXPECT_EQ(0x140U, regs[X86_64_REG_RSP]);
+ EXPECT_EQ(0x150U, regs[X86_64_REG_RIP]);
+ EXPECT_EQ(0x140U, regs.sp());
+ EXPECT_EQ(0x150U, regs.pc());
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/RegsTest.cpp b/libunwindstack/tests/RegsTest.cpp
index 3056373..e6de56a 100644
--- a/libunwindstack/tests/RegsTest.cpp
+++ b/libunwindstack/tests/RegsTest.cpp
@@ -18,13 +18,15 @@
#include <gtest/gtest.h>
-#include "Elf.h"
-#include "ElfInterface.h"
-#include "MapInfo.h"
-#include "Regs.h"
+#include <unwindstack/Elf.h>
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Regs.h>
#include "MemoryFake.h"
+namespace unwindstack {
+
class ElfFake : public Elf {
public:
ElfFake(Memory* memory) : Elf(memory) { valid_ = true; }
@@ -56,7 +58,9 @@
: RegsImpl<TypeParam>(total_regs, regs_sp, return_loc) {}
virtual ~RegsTestImpl() = default;
- uint64_t GetAdjustedPc(uint64_t, Elf*) { return 0; }
+ uint64_t GetAdjustedPc(uint64_t, Elf*) override { return 0; }
+ void SetFromRaw() override {}
+ bool StepIfSignalHandler(uint64_t, Elf*, Memory*) override { return false; }
};
class RegsTest : public ::testing::Test {
@@ -69,10 +73,7 @@
}
template <typename AddressType>
- void regs_rel_pc();
-
- template <typename AddressType>
- void regs_return_address_register();
+ void RegsReturnAddressRegister();
ElfInterfaceFake* elf_interface_;
MemoryFake* memory_;
@@ -126,27 +127,7 @@
}
template <typename AddressType>
-void RegsTest::regs_rel_pc() {
- RegsTestImpl<AddressType> regs(30, 12);
-
- elf_interface_->set_load_bias(0);
- MapInfo map_info{.start = 0x1000, .end = 0x2000};
- regs.set_pc(0x1101);
- ASSERT_EQ(0x101U, regs.GetRelPc(elf_.get(), &map_info));
- elf_interface_->set_load_bias(0x3000);
- ASSERT_EQ(0x3101U, regs.GetRelPc(elf_.get(), &map_info));
-}
-
-TEST_F(RegsTest, regs32_rel_pc) {
- regs_rel_pc<uint32_t>();
-}
-
-TEST_F(RegsTest, regs64_rel_pc) {
- regs_rel_pc<uint64_t>();
-}
-
-template <typename AddressType>
-void RegsTest::regs_return_address_register() {
+void RegsTest::RegsReturnAddressRegister() {
RegsTestImpl<AddressType> regs(20, 10, Regs::Location(Regs::LOCATION_REGISTER, 5));
regs[5] = 0x12345;
@@ -156,11 +137,11 @@
}
TEST_F(RegsTest, regs32_return_address_register) {
- regs_return_address_register<uint32_t>();
+ RegsReturnAddressRegister<uint32_t>();
}
TEST_F(RegsTest, regs64_return_address_register) {
- regs_return_address_register<uint64_t>();
+ RegsReturnAddressRegister<uint64_t>();
}
TEST_F(RegsTest, regs32_return_address_sp_offset) {
@@ -249,18 +230,60 @@
MapInfo map_info{.start = 0x1000, .end = 0x2000};
regs_arm.set_pc(0x1500);
- ASSERT_EQ(0x500U, regs_arm.GetRelPc(&invalid_elf, &map_info));
+ ASSERT_EQ(0x500U, invalid_elf.GetRelPc(regs_arm.pc(), &map_info));
ASSERT_EQ(0x500U, regs_arm.GetAdjustedPc(0x500U, &invalid_elf));
regs_arm64.set_pc(0x1600);
- ASSERT_EQ(0x600U, regs_arm64.GetRelPc(&invalid_elf, &map_info));
+ ASSERT_EQ(0x600U, invalid_elf.GetRelPc(regs_arm64.pc(), &map_info));
ASSERT_EQ(0x600U, regs_arm64.GetAdjustedPc(0x600U, &invalid_elf));
regs_x86.set_pc(0x1700);
- ASSERT_EQ(0x700U, regs_x86.GetRelPc(&invalid_elf, &map_info));
+ ASSERT_EQ(0x700U, invalid_elf.GetRelPc(regs_x86.pc(), &map_info));
ASSERT_EQ(0x700U, regs_x86.GetAdjustedPc(0x700U, &invalid_elf));
regs_x86_64.set_pc(0x1800);
- ASSERT_EQ(0x800U, regs_x86_64.GetRelPc(&invalid_elf, &map_info));
+ ASSERT_EQ(0x800U, invalid_elf.GetRelPc(regs_x86_64.pc(), &map_info));
ASSERT_EQ(0x800U, regs_x86_64.GetAdjustedPc(0x800U, &invalid_elf));
}
+
+TEST_F(RegsTest, arm_set_from_raw) {
+ RegsArm arm;
+ uint32_t* regs = reinterpret_cast<uint32_t*>(arm.RawData());
+ regs[13] = 0x100;
+ regs[15] = 0x200;
+ arm.SetFromRaw();
+ EXPECT_EQ(0x100U, arm.sp());
+ EXPECT_EQ(0x200U, arm.pc());
+}
+
+TEST_F(RegsTest, arm64_set_from_raw) {
+ RegsArm64 arm64;
+ uint64_t* regs = reinterpret_cast<uint64_t*>(arm64.RawData());
+ regs[31] = 0xb100000000ULL;
+ regs[32] = 0xc200000000ULL;
+ arm64.SetFromRaw();
+ EXPECT_EQ(0xb100000000U, arm64.sp());
+ EXPECT_EQ(0xc200000000U, arm64.pc());
+}
+
+TEST_F(RegsTest, x86_set_from_raw) {
+ RegsX86 x86;
+ uint32_t* regs = reinterpret_cast<uint32_t*>(x86.RawData());
+ regs[4] = 0x23450000;
+ regs[8] = 0xabcd0000;
+ x86.SetFromRaw();
+ EXPECT_EQ(0x23450000U, x86.sp());
+ EXPECT_EQ(0xabcd0000U, x86.pc());
+}
+
+TEST_F(RegsTest, x86_64_set_from_raw) {
+ RegsX86_64 x86_64;
+ uint64_t* regs = reinterpret_cast<uint64_t*>(x86_64.RawData());
+ regs[7] = 0x1200000000ULL;
+ regs[16] = 0x4900000000ULL;
+ x86_64.SetFromRaw();
+ EXPECT_EQ(0x1200000000U, x86_64.sp());
+ EXPECT_EQ(0x4900000000U, x86_64.pc());
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/SymbolsTest.cpp b/libunwindstack/tests/SymbolsTest.cpp
index a0a21e6..da258a6 100644
--- a/libunwindstack/tests/SymbolsTest.cpp
+++ b/libunwindstack/tests/SymbolsTest.cpp
@@ -32,10 +32,13 @@
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
-#include "Memory.h"
+#include <unwindstack/Memory.h>
+
#include "MemoryFake.h"
#include "Symbols.h"
+namespace unwindstack {
+
template <typename TypeParam>
class SymbolsTest : public ::testing::Test {
protected:
@@ -333,3 +336,5 @@
typedef ::testing::Types<Elf32_Sym, Elf64_Sym> SymbolsTestTypes;
INSTANTIATE_TYPED_TEST_CASE_P(, SymbolsTest, SymbolsTestTypes);
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/UnwindTest.cpp b/libunwindstack/tests/UnwindTest.cpp
new file mode 100644
index 0000000..3c69e2a
--- /dev/null
+++ b/libunwindstack/tests/UnwindTest.cpp
@@ -0,0 +1,316 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <string.h>
+
+#include <signal.h>
+#include <stdint.h>
+#include <sys/ptrace.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#include <gtest/gtest.h>
+
+#include <atomic>
+#include <memory>
+#include <sstream>
+#include <string>
+#include <thread>
+#include <vector>
+
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Maps.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+#include <unwindstack/RegsGetLocal.h>
+
+namespace unwindstack {
+
+static std::atomic_bool g_ready(false);
+static volatile bool g_ready_for_remote = false;
+static volatile bool g_signal_ready_for_remote = false;
+static std::atomic_bool g_finish(false);
+static std::atomic_uintptr_t g_ucontext;
+
+static std::vector<const char*> kFunctionOrder{"InnerFunction", "MiddleFunction", "OuterFunction"};
+
+static std::vector<const char*> kFunctionSignalOrder{"SignalInnerFunction", "SignalMiddleFunction",
+ "SignalOuterFunction", "InnerFunction",
+ "MiddleFunction", "OuterFunction"};
+
+static void SignalHandler(int, siginfo_t*, void* sigcontext) {
+ g_ucontext = reinterpret_cast<uintptr_t>(sigcontext);
+ while (!g_finish.load()) {
+ }
+}
+
+extern "C" void SignalInnerFunction() {
+ g_signal_ready_for_remote = true;
+ while (!g_finish.load()) {
+ }
+}
+
+extern "C" void SignalMiddleFunction() {
+ SignalInnerFunction();
+}
+
+extern "C" void SignalOuterFunction() {
+ SignalMiddleFunction();
+}
+
+static void SignalCallerHandler(int, siginfo_t*, void*) {
+ SignalOuterFunction();
+}
+
+static std::string ErrorMsg(const std::vector<const char*>& function_names, size_t index,
+ std::stringstream& unwind_stream) {
+ return std::string(
+ "Unwind completed without finding all frames\n"
+ " Looking for function: ") +
+ function_names[index] + "\n" + "Unwind data:\n" + unwind_stream.str();
+}
+
+static void VerifyUnwind(pid_t pid, Memory* memory, Maps* maps, Regs* regs,
+ std::vector<const char*>& function_names) {
+ size_t function_name_index = 0;
+
+ std::stringstream unwind_stream;
+ unwind_stream << std::hex;
+ for (size_t frame_num = 0; frame_num < 64; frame_num++) {
+ ASSERT_NE(0U, regs->pc()) << ErrorMsg(function_names, function_name_index, unwind_stream);
+ MapInfo* map_info = maps->Find(regs->pc());
+ ASSERT_TRUE(map_info != nullptr) << ErrorMsg(function_names, function_name_index, unwind_stream);
+
+ Elf* elf = map_info->GetElf(pid, true);
+ uint64_t rel_pc = elf->GetRelPc(regs->pc(), map_info);
+ uint64_t adjusted_rel_pc = rel_pc;
+ if (frame_num != 0) {
+ adjusted_rel_pc = regs->GetAdjustedPc(rel_pc, elf);
+ }
+ unwind_stream << " PC: 0x" << regs->pc() << " Rel: 0x" << adjusted_rel_pc;
+ unwind_stream << " Map: ";
+ if (!map_info->name.empty()) {
+ unwind_stream << map_info->name;
+ } else {
+ unwind_stream << " anonymous";
+ }
+ unwind_stream << "<" << map_info->start << "-" << map_info->end << ">";
+
+ std::string name;
+ uint64_t func_offset;
+ if (elf->GetFunctionName(adjusted_rel_pc, &name, &func_offset)) {
+ if (name == function_names[function_name_index]) {
+ if (++function_name_index == function_names.size()) {
+ return;
+ }
+ }
+ unwind_stream << " " << name;
+ }
+ unwind_stream << "\n";
+ ASSERT_TRUE(elf->Step(rel_pc + map_info->elf_offset, regs, memory))
+ << ErrorMsg(function_names, function_name_index, unwind_stream);
+ }
+ ASSERT_TRUE(false) << ErrorMsg(function_names, function_name_index, unwind_stream);
+}
+
+// This test assumes that this code is compiled with optimizations turned
+// off. If this doesn't happen, then all of the calls will be optimized
+// away.
+extern "C" void InnerFunction(bool local) {
+ if (local) {
+ LocalMaps maps;
+ ASSERT_TRUE(maps.Parse());
+ std::unique_ptr<Regs> regs(Regs::CreateFromLocal());
+ RegsGetLocal(regs.get());
+ MemoryLocal memory;
+
+ VerifyUnwind(getpid(), &memory, &maps, regs.get(), kFunctionOrder);
+ } else {
+ g_ready_for_remote = true;
+ g_ready = true;
+ while (!g_finish.load()) {
+ }
+ }
+}
+
+extern "C" void MiddleFunction(bool local) {
+ InnerFunction(local);
+}
+
+extern "C" void OuterFunction(bool local) {
+ MiddleFunction(local);
+}
+
+TEST(UnwindTest, local) {
+ OuterFunction(true);
+}
+
+void WaitForRemote(pid_t pid, uint64_t addr, bool leave_attached, bool* completed) {
+ *completed = false;
+ // Need to sleep before attempting first ptrace. Without this, on the
+ // host it becomes impossible to attach and ptrace set errno to EPERM.
+ usleep(1000);
+ for (size_t i = 0; i < 100; i++) {
+ ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid, 0, 0));
+ for (size_t j = 0; j < 100; j++) {
+ siginfo_t si;
+ if (ptrace(PTRACE_GETSIGINFO, pid, 0, &si) == 0) {
+ MemoryRemote memory(pid);
+ // Read the remote value to see if we are ready.
+ bool value;
+ if (memory.Read(addr, &value, sizeof(value)) && value) {
+ *completed = true;
+ break;
+ }
+ }
+ usleep(1000);
+ }
+ if (leave_attached && *completed) {
+ break;
+ }
+ ASSERT_EQ(0, ptrace(PTRACE_DETACH, pid, 0, 0));
+ if (*completed) {
+ break;
+ }
+ usleep(1000);
+ }
+}
+
+TEST(UnwindTest, remote) {
+ pid_t pid;
+ if ((pid = fork()) == 0) {
+ OuterFunction(false);
+ exit(0);
+ }
+ ASSERT_NE(-1, pid);
+
+ bool completed;
+ WaitForRemote(pid, reinterpret_cast<uint64_t>(&g_ready_for_remote), true, &completed);
+ ASSERT_TRUE(completed) << "Timed out waiting for remote process to be ready.";
+
+ RemoteMaps maps(pid);
+ ASSERT_TRUE(maps.Parse());
+ MemoryRemote memory(pid);
+ uint32_t machine_type;
+ std::unique_ptr<Regs> regs(Regs::RemoteGet(pid, &machine_type));
+ ASSERT_TRUE(regs.get() != nullptr);
+
+ VerifyUnwind(pid, &memory, &maps, regs.get(), kFunctionOrder);
+
+ ASSERT_EQ(0, ptrace(PTRACE_DETACH, pid, 0, 0));
+
+ kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
+}
+
+TEST(UnwindTest, from_context) {
+ std::atomic_int tid(0);
+ std::thread thread([&]() {
+ tid = syscall(__NR_gettid);
+ OuterFunction(false);
+ });
+
+ struct sigaction act, oldact;
+ memset(&act, 0, sizeof(act));
+ act.sa_sigaction = SignalHandler;
+ act.sa_flags = SA_RESTART | SA_SIGINFO | SA_ONSTACK;
+ ASSERT_EQ(0, sigaction(SIGUSR1, &act, &oldact));
+ // Wait for the tid to get set.
+ for (size_t i = 0; i < 100; i++) {
+ if (tid.load() != 0) {
+ break;
+ }
+ usleep(1000);
+ }
+ ASSERT_NE(0, tid.load());
+ // Portable tgkill method.
+ ASSERT_EQ(0, syscall(__NR_tgkill, getpid(), tid.load(), SIGUSR1)) << "Error: " << strerror(errno);
+
+ // Wait for context data.
+ void* ucontext;
+ for (size_t i = 0; i < 2000; i++) {
+ ucontext = reinterpret_cast<void*>(g_ucontext.load());
+ if (ucontext != nullptr) {
+ break;
+ }
+ usleep(1000);
+ }
+ ASSERT_TRUE(ucontext != nullptr) << "Timed out waiting for thread to respond to signal.";
+
+ LocalMaps maps;
+ ASSERT_TRUE(maps.Parse());
+ std::unique_ptr<Regs> regs(Regs::CreateFromUcontext(Regs::GetMachineType(), ucontext));
+ MemoryLocal memory;
+
+ VerifyUnwind(tid.load(), &memory, &maps, regs.get(), kFunctionOrder);
+
+ ASSERT_EQ(0, sigaction(SIGUSR1, &oldact, nullptr));
+
+ g_finish = true;
+ thread.join();
+}
+
+static void RemoteThroughSignal(unsigned int sa_flags) {
+ g_ready = false;
+ g_signal_ready_for_remote = false;
+ g_finish = false;
+
+ pid_t pid;
+ if ((pid = fork()) == 0) {
+ struct sigaction act, oldact;
+ memset(&act, 0, sizeof(act));
+ act.sa_sigaction = SignalCallerHandler;
+ act.sa_flags = SA_RESTART | SA_ONSTACK | sa_flags;
+ ASSERT_EQ(0, sigaction(SIGUSR1, &act, &oldact));
+
+ OuterFunction(false);
+ exit(0);
+ }
+ ASSERT_NE(-1, pid);
+
+ bool completed;
+ WaitForRemote(pid, reinterpret_cast<uint64_t>(&g_ready_for_remote), false, &completed);
+ ASSERT_TRUE(completed) << "Timed out waiting for remote process to be ready.";
+ ASSERT_EQ(0, kill(pid, SIGUSR1));
+ WaitForRemote(pid, reinterpret_cast<uint64_t>(&g_signal_ready_for_remote), true, &completed);
+ ASSERT_TRUE(completed) << "Timed out waiting for remote process to be in signal handler.";
+
+ RemoteMaps maps(pid);
+ ASSERT_TRUE(maps.Parse());
+ MemoryRemote memory(pid);
+ uint32_t machine_type;
+ std::unique_ptr<Regs> regs(Regs::RemoteGet(pid, &machine_type));
+ ASSERT_TRUE(regs.get() != nullptr);
+
+ VerifyUnwind(pid, &memory, &maps, regs.get(), kFunctionSignalOrder);
+
+ ASSERT_EQ(0, ptrace(PTRACE_DETACH, pid, 0, 0));
+
+ kill(pid, SIGKILL);
+ ASSERT_EQ(pid, wait(nullptr));
+}
+
+TEST(UnwindTest, remote_through_signal) {
+ RemoteThroughSignal(0);
+}
+
+TEST(UnwindTest, remote_through_signal_sa_siginfo) {
+ RemoteThroughSignal(SA_SIGINFO);
+}
+
+} // namespace unwindstack
diff --git a/libunwindstack/tests/elf32.xz b/libunwindstack/tests/files/elf32.xz
similarity index 100%
rename from libunwindstack/tests/elf32.xz
rename to libunwindstack/tests/files/elf32.xz
Binary files differ
diff --git a/libunwindstack/tests/elf64.xz b/libunwindstack/tests/files/elf64.xz
similarity index 100%
rename from libunwindstack/tests/elf64.xz
rename to libunwindstack/tests/files/elf64.xz
Binary files differ
diff --git a/libunwindstack/tools/unwind.cpp b/libunwindstack/tools/unwind.cpp
new file mode 100644
index 0000000..642105a
--- /dev/null
+++ b/libunwindstack/tools/unwind.cpp
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <elf.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <string>
+
+#include <unwindstack/Elf.h>
+#include <unwindstack/MapInfo.h>
+#include <unwindstack/Maps.h>
+#include <unwindstack/Memory.h>
+#include <unwindstack/Regs.h>
+
+static bool Attach(pid_t pid) {
+ if (ptrace(PTRACE_ATTACH, pid, 0, 0) == -1) {
+ return false;
+ }
+
+ // Allow at least 1 second to attach properly.
+ for (size_t i = 0; i < 1000; i++) {
+ siginfo_t si;
+ if (ptrace(PTRACE_GETSIGINFO, pid, 0, &si) == 0) {
+ return true;
+ }
+ usleep(1000);
+ }
+ printf("%d: Failed to stop.\n", pid);
+ return false;
+}
+
+static bool Detach(pid_t pid) {
+ return ptrace(PTRACE_DETACH, pid, 0, 0) == 0;
+}
+
+void DoUnwind(pid_t pid) {
+ unwindstack::RemoteMaps remote_maps(pid);
+ if (!remote_maps.Parse()) {
+ printf("Failed to parse map data.\n");
+ return;
+ }
+
+ uint32_t machine_type;
+ unwindstack::Regs* regs = unwindstack::Regs::RemoteGet(pid, &machine_type);
+ if (regs == nullptr) {
+ printf("Unable to get remote reg data\n");
+ return;
+ }
+
+ bool bits32 = true;
+ printf("ABI: ");
+ switch (machine_type) {
+ case EM_ARM:
+ printf("arm");
+ break;
+ case EM_386:
+ printf("x86");
+ break;
+ case EM_AARCH64:
+ printf("arm64");
+ bits32 = false;
+ break;
+ case EM_X86_64:
+ printf("x86_64");
+ bits32 = false;
+ break;
+ default:
+ printf("unknown\n");
+ return;
+ }
+ printf("\n");
+
+ unwindstack::MemoryRemote remote_memory(pid);
+ for (size_t frame_num = 0; frame_num < 64; frame_num++) {
+ if (regs->pc() == 0) {
+ break;
+ }
+ unwindstack::MapInfo* map_info = remote_maps.Find(regs->pc());
+ if (map_info == nullptr) {
+ printf("Failed to find map data for the pc\n");
+ break;
+ }
+
+ unwindstack::Elf* elf = map_info->GetElf(pid, true);
+
+ uint64_t rel_pc = elf->GetRelPc(regs->pc(), map_info);
+ uint64_t adjusted_rel_pc = rel_pc;
+ // Don't need to adjust the first frame pc.
+ if (frame_num != 0) {
+ adjusted_rel_pc = regs->GetAdjustedPc(rel_pc, elf);
+ }
+
+ std::string name;
+ if (bits32) {
+ printf(" #%02zu pc %08" PRIx64, frame_num, adjusted_rel_pc);
+ } else {
+ printf(" #%02zu pc %016" PRIx64, frame_num, adjusted_rel_pc);
+ }
+ if (!map_info->name.empty()) {
+ printf(" %s", map_info->name.c_str());
+ if (map_info->elf_offset != 0) {
+ printf(" (offset 0x%" PRIx64 ")", map_info->elf_offset);
+ }
+ } else {
+ printf(" <anonymous:%" PRIx64 ">", map_info->offset);
+ }
+ uint64_t func_offset;
+ if (elf->GetFunctionName(adjusted_rel_pc, &name, &func_offset)) {
+ printf(" (%s", name.c_str());
+ if (func_offset != 0) {
+ printf("+%" PRId64, func_offset);
+ }
+ printf(")");
+ }
+ printf("\n");
+
+ if (!elf->Step(rel_pc + map_info->elf_offset, regs, &remote_memory)) {
+ break;
+ }
+ }
+}
+
+int main(int argc, char** argv) {
+ if (argc != 2) {
+ printf("Usage: unwind <PID>\n");
+ return 1;
+ }
+
+ pid_t pid = atoi(argv[1]);
+ if (!Attach(pid)) {
+ printf("Failed to attach to pid %d: %s\n", pid, strerror(errno));
+ return 1;
+ }
+
+ DoUnwind(pid);
+
+ Detach(pid);
+
+ return 0;
+}
diff --git a/libunwindstack/unwind_info.cpp b/libunwindstack/tools/unwind_info.cpp
similarity index 92%
rename from libunwindstack/unwind_info.cpp
rename to libunwindstack/tools/unwind_info.cpp
index da1522b..66a9439 100644
--- a/libunwindstack/unwind_info.cpp
+++ b/libunwindstack/tools/unwind_info.cpp
@@ -21,17 +21,20 @@
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
-#include <sys/types.h>
#include <sys/stat.h>
+#include <sys/types.h>
#include <unistd.h>
+#include <unwindstack/DwarfSection.h>
+#include <unwindstack/DwarfStructs.h>
+#include <unwindstack/Elf.h>
+#include <unwindstack/ElfInterface.h>
+#include <unwindstack/Log.h>
+
#include "ArmExidx.h"
-#include "DwarfSection.h"
-#include "DwarfStructs.h"
-#include "Elf.h"
-#include "ElfInterface.h"
#include "ElfInterfaceArm.h"
-#include "Log.h"
+
+namespace unwindstack {
void DumpArm(ElfInterfaceArm* interface) {
if (interface == nullptr) {
@@ -100,31 +103,12 @@
}
}
-int main(int argc, char** argv) {
- if (argc != 2) {
- printf("Need to pass the name of an elf file to the program.\n");
- return 1;
- }
-
- struct stat st;
- if (stat(argv[1], &st) == -1) {
- printf("Cannot stat %s: %s\n", argv[1], strerror(errno));
- return 1;
- }
- if (!S_ISREG(st.st_mode)) {
- printf("%s is not a regular file.\n", argv[1]);
- return 1;
- }
- if (S_ISDIR(st.st_mode)) {
- printf("%s is a directory.\n", argv[1]);
- return 1;
- }
-
+int GetElfInfo(const char* file) {
// Send all log messages to stdout.
log_to_stdout(true);
MemoryFileAtOffset* memory = new MemoryFileAtOffset;
- if (!memory->Init(argv[1], 0)) {
+ if (!memory->Init(file, 0)) {
// Initializatation failed.
printf("Failed to init\n");
return 1;
@@ -132,7 +116,7 @@
Elf elf(memory);
if (!elf.Init() || !elf.valid()) {
- printf("%s is not a valid elf file.\n", argv[1]);
+ printf("%s is not a valid elf file.\n", file);
return 1;
}
@@ -177,3 +161,24 @@
return 0;
}
+
+} // namespace unwindstack
+
+int main(int argc, char** argv) {
+ if (argc != 2) {
+ printf("Need to pass the name of an elf file to the program.\n");
+ return 1;
+ }
+
+ struct stat st;
+ if (stat(argv[1], &st) == -1) {
+ printf("Cannot stat %s: %s\n", argv[1], strerror(errno));
+ return 1;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ printf("%s is not a regular file.\n", argv[1]);
+ return 1;
+ }
+
+ return unwindstack::GetElfInfo(argv[1]);
+}
diff --git a/libunwindstack/tools/unwind_symbols.cpp b/libunwindstack/tools/unwind_symbols.cpp
new file mode 100644
index 0000000..b757c1e
--- /dev/null
+++ b/libunwindstack/tools/unwind_symbols.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <elf.h>
+#include <errno.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include <unwindstack/Elf.h>
+#include <unwindstack/Log.h>
+#include <unwindstack/Memory.h>
+
+int main(int argc, char** argv) {
+ if (argc != 2) {
+ printf("Need to pass the name of an elf file to the program.\n");
+ return 1;
+ }
+
+ struct stat st;
+ if (stat(argv[1], &st) == -1) {
+ printf("Cannot stat %s: %s\n", argv[1], strerror(errno));
+ return 1;
+ }
+ if (!S_ISREG(st.st_mode)) {
+ printf("%s is not a regular file.\n", argv[1]);
+ return 1;
+ }
+
+ // Send all log messages to stdout.
+ unwindstack::log_to_stdout(true);
+
+ unwindstack::MemoryFileAtOffset* memory = new unwindstack::MemoryFileAtOffset;
+ if (!memory->Init(argv[1], 0)) {
+ printf("Failed to init\n");
+ return 1;
+ }
+
+ unwindstack::Elf elf(memory);
+ if (!elf.Init() || !elf.valid()) {
+ printf("%s is not a valid elf file.\n", argv[1]);
+ return 1;
+ }
+
+ switch (elf.machine_type()) {
+ case EM_ARM:
+ printf("ABI: arm\n");
+ break;
+ case EM_AARCH64:
+ printf("ABI: arm64\n");
+ break;
+ case EM_386:
+ printf("ABI: x86\n");
+ break;
+ case EM_X86_64:
+ printf("ABI: x86_64\n");
+ break;
+ default:
+ printf("ABI: unknown\n");
+ return 1;
+ }
+
+ // This is a crude way to get the symbols in order.
+ std::string name;
+ uint64_t load_bias = elf.interface()->load_bias();
+ for (const auto& entry : elf.interface()->pt_loads()) {
+ uint64_t start = entry.second.offset + load_bias;
+ uint64_t end = entry.second.table_size + load_bias;
+ for (uint64_t addr = start; addr < end; addr += 4) {
+ std::string cur_name;
+ uint64_t func_offset;
+ if (elf.GetFunctionName(addr, &cur_name, &func_offset)) {
+ if (cur_name != name) {
+ printf("<0x%" PRIx64 "> Function: %s\n", addr - func_offset, cur_name.c_str());
+ }
+ name = cur_name;
+ }
+ }
+ }
+
+ return 0;
+}
diff --git a/libutils/Android.bp b/libutils/Android.bp
index ef16d56..787c10a 100644
--- a/libutils/Android.bp
+++ b/libutils/Android.bp
@@ -18,10 +18,12 @@
host_supported: true,
header_libs: [
+ "liblog_headers",
"libsystem_headers",
"libcutils_headers"
],
export_header_lib_headers: [
+ "liblog_headers",
"libsystem_headers",
"libcutils_headers"
],
@@ -50,7 +52,6 @@
"CallStack.cpp",
"FileMap.cpp",
"JenkinsHash.cpp",
- "Log.cpp",
"NativeHandle.cpp",
"Printer.cpp",
"PropertyMap.cpp",
@@ -82,9 +83,6 @@
shared_libs: [
"liblog",
],
- export_shared_lib_headers: [
- "liblog",
- ],
arch: {
mips: {
@@ -147,8 +145,6 @@
enabled: true,
},
},
-
- clang: true,
}
// Include subdirectory makefiles
diff --git a/libutils/Log.cpp b/libutils/Log.cpp
deleted file mode 100644
index 2c1fb86..0000000
--- a/libutils/Log.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "Log"
-
-#include <utils/Log.h>
-#include <utils/Timers.h>
-
-namespace android {
-
-LogIfSlow::LogIfSlow(
- const char* tag, android_LogPriority priority, int timeoutMillis, const char* message)
- : mTag(tag), mPriority(priority), mTimeoutMillis(timeoutMillis), mMessage(message),
- mStart(systemTime(SYSTEM_TIME_BOOTTIME)) {
-}
-
-LogIfSlow::~LogIfSlow() {
- int durationMillis = (int)nanoseconds_to_milliseconds(systemTime(SYSTEM_TIME_BOOTTIME) - mStart);
- if (durationMillis > mTimeoutMillis) {
- LOG_PRI(mPriority, mTag, "%s: %dms", mMessage, durationMillis);
- }
-}
-
-} // namespace android
diff --git a/libutils/include/utils/Log.h b/libutils/include/utils/Log.h
index 5276a49..42e03e7 100644
--- a/libutils/include/utils/Log.h
+++ b/libutils/include/utils/Log.h
@@ -1,72 +1,7 @@
-/*
- * Copyright (C) 2005 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// DO NOT INCLUDE ANYTHING NEW IN THIS FILE.
-//
-// C/C++ logging functions. See the logging documentation for API details.
-//
-// We'd like these to be available from C code (in case we import some from
-// somewhere), so this has a C interface.
-//
-// The output will be correct when the log file is shared between multiple
-// threads and/or multiple processes so long as the operating system
-// supports O_APPEND. These calls have mutex-protected data structures
-// and so are NOT reentrant. Do not use LOG in a signal handler.
-//
-#ifndef _LIBS_UTILS_LOG_H
-#define _LIBS_UTILS_LOG_H
-
-#include <sys/types.h>
+// <log/log.h> has replaced this file and all changes should go there instead.
+// This path remains strictly to include that header as there are thousands of
+// references to <utils/Log.h> in the tree.
#include <log/log.h>
-
-#ifdef __cplusplus
-
-namespace android {
-
-/*
- * A very simple utility that yells in the log when an operation takes too long.
- */
-class LogIfSlow {
-public:
- LogIfSlow(const char* tag, android_LogPriority priority,
- int timeoutMillis, const char* message);
- ~LogIfSlow();
-
-private:
- const char* const mTag;
- const android_LogPriority mPriority;
- const int mTimeoutMillis;
- const char* const mMessage;
- const int64_t mStart;
-};
-
-/*
- * Writes the specified debug log message if this block takes longer than the
- * specified number of milliseconds to run. Includes the time actually taken.
- *
- * {
- * ALOGD_IF_SLOW(50, "Excessive delay doing something.");
- * doSomething();
- * }
- */
-#define ALOGD_IF_SLOW(timeoutMillis, message) \
- android::LogIfSlow _logIfSlow(LOG_TAG, ANDROID_LOG_DEBUG, timeoutMillis, message);
-
-} // namespace android
-
-#endif // __cplusplus
-
-#endif // _LIBS_UTILS_LOG_H
diff --git a/libutils/include/utils/Mutex.h b/libutils/include/utils/Mutex.h
index d106185..af6076c 100644
--- a/libutils/include/utils/Mutex.h
+++ b/libutils/include/utils/Mutex.h
@@ -28,6 +28,53 @@
#include <utils/Errors.h>
#include <utils/Timers.h>
+// Enable thread safety attributes only with clang.
+// The attributes can be safely erased when compiling with other compilers.
+#if defined(__clang__) && (!defined(SWIG))
+#define THREAD_ANNOTATION_ATTRIBUTE__(x) __attribute__((x))
+#else
+#define THREAD_ANNOTATION_ATTRIBUTE__(x) // no-op
+#endif
+
+#define CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(capability(x))
+
+#define SCOPED_CAPABILITY THREAD_ANNOTATION_ATTRIBUTE__(scoped_lockable)
+
+#define GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(guarded_by(x))
+
+#define PT_GUARDED_BY(x) THREAD_ANNOTATION_ATTRIBUTE__(pt_guarded_by(x))
+
+#define ACQUIRED_BEFORE(...) THREAD_ANNOTATION_ATTRIBUTE__(acquired_before(__VA_ARGS__))
+
+#define ACQUIRED_AFTER(...) THREAD_ANNOTATION_ATTRIBUTE__(acquired_after(__VA_ARGS__))
+
+#define REQUIRES(...) THREAD_ANNOTATION_ATTRIBUTE__(requires_capability(__VA_ARGS__))
+
+#define REQUIRES_SHARED(...) THREAD_ANNOTATION_ATTRIBUTE__(requires_shared_capability(__VA_ARGS__))
+
+#define ACQUIRE(...) THREAD_ANNOTATION_ATTRIBUTE__(acquire_capability(__VA_ARGS__))
+
+#define ACQUIRE_SHARED(...) THREAD_ANNOTATION_ATTRIBUTE__(acquire_shared_capability(__VA_ARGS__))
+
+#define RELEASE(...) THREAD_ANNOTATION_ATTRIBUTE__(release_capability(__VA_ARGS__))
+
+#define RELEASE_SHARED(...) THREAD_ANNOTATION_ATTRIBUTE__(release_shared_capability(__VA_ARGS__))
+
+#define TRY_ACQUIRE(...) THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_capability(__VA_ARGS__))
+
+#define TRY_ACQUIRE_SHARED(...) \
+ THREAD_ANNOTATION_ATTRIBUTE__(try_acquire_shared_capability(__VA_ARGS__))
+
+#define EXCLUDES(...) THREAD_ANNOTATION_ATTRIBUTE__(locks_excluded(__VA_ARGS__))
+
+#define ASSERT_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(assert_capability(x))
+
+#define ASSERT_SHARED_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(assert_shared_capability(x))
+
+#define RETURN_CAPABILITY(x) THREAD_ANNOTATION_ATTRIBUTE__(lock_returned(x))
+
+#define NO_THREAD_SAFETY_ANALYSIS THREAD_ANNOTATION_ATTRIBUTE__(no_thread_safety_analysis)
+
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
@@ -44,24 +91,24 @@
* The mutex must be unlocked by the thread that locked it. They are not
* recursive, i.e. the same thread can't lock it multiple times.
*/
-class Mutex {
-public:
+class CAPABILITY("mutex") Mutex {
+ public:
enum {
PRIVATE = 0,
SHARED = 1
};
- Mutex();
- explicit Mutex(const char* name);
- explicit Mutex(int type, const char* name = NULL);
- ~Mutex();
+ Mutex();
+ explicit Mutex(const char* name);
+ explicit Mutex(int type, const char* name = NULL);
+ ~Mutex();
// lock or unlock the mutex
- status_t lock();
- void unlock();
+ status_t lock() ACQUIRE();
+ void unlock() RELEASE();
// lock if possible; returns 0 on success, error otherwise
- status_t tryLock();
+ status_t tryLock() TRY_ACQUIRE(true);
#if defined(__ANDROID__)
// Lock the mutex, but don't wait longer than timeoutNs (relative time).
@@ -75,32 +122,36 @@
// which is subject to NTP adjustments, and includes time during suspend,
// so a timeout may occur even though no processes could run.
// Not holding a partial wakelock may lead to a system suspend.
- status_t timedLock(nsecs_t timeoutNs);
+ status_t timedLock(nsecs_t timeoutNs) TRY_ACQUIRE(true);
#endif
// Manages the mutex automatically. It'll be locked when Autolock is
// constructed and released when Autolock goes out of scope.
- class Autolock {
- public:
- inline explicit Autolock(Mutex& mutex) : mLock(mutex) { mLock.lock(); }
- inline explicit Autolock(Mutex* mutex) : mLock(*mutex) { mLock.lock(); }
- inline ~Autolock() { mLock.unlock(); }
- private:
+ class SCOPED_CAPABILITY Autolock {
+ public:
+ inline explicit Autolock(Mutex& mutex) ACQUIRE(mutex) : mLock(mutex) { mLock.lock(); }
+ inline explicit Autolock(Mutex* mutex) ACQUIRE(mutex) : mLock(*mutex) { mLock.lock(); }
+ inline ~Autolock() RELEASE() { mLock.unlock(); }
+
+ private:
Mutex& mLock;
+ // Cannot be copied or moved - declarations only
+ Autolock(const Autolock&);
+ Autolock& operator=(const Autolock&);
};
-private:
+ private:
friend class Condition;
// A mutex cannot be copied
- Mutex(const Mutex&);
- Mutex& operator = (const Mutex&);
+ Mutex(const Mutex&);
+ Mutex& operator=(const Mutex&);
#if !defined(_WIN32)
pthread_mutex_t mMutex;
#else
- void _init();
- void* mState;
+ void _init();
+ void* mState;
#endif
};
diff --git a/libutils/tests/Android.bp b/libutils/tests/Android.bp
index 7b62c24..0869175 100644
--- a/libutils/tests/Android.bp
+++ b/libutils/tests/Android.bp
@@ -23,6 +23,7 @@
srcs: [
"BitSet_test.cpp",
"LruCache_test.cpp",
+ "Mutex_test.cpp",
"Singleton_test.cpp",
"String8_test.cpp",
"StrongPointer_test.cpp",
@@ -71,6 +72,7 @@
"-Wall",
"-Wextra",
"-Werror",
+ "-Wthread-safety",
],
}
diff --git a/libunwindstack/Log.h b/libutils/tests/Mutex_test.cpp
similarity index 68%
copy from libunwindstack/Log.h
copy to libutils/tests/Mutex_test.cpp
index 2d01aa8..8a1805f 100644
--- a/libunwindstack/Log.h
+++ b/libutils/tests/Mutex_test.cpp
@@ -14,12 +14,19 @@
* limitations under the License.
*/
-#ifndef _LIBUNWINDSTACK_LOG_H
-#define _LIBUNWINDSTACK_LOG_H
+#include <utils/Mutex.h>
-#include <stdint.h>
+#include <gtest/gtest.h>
-void log_to_stdout(bool enable);
-void log(uint8_t indent, const char* format, ...);
+static android::Mutex mLock;
+static int i GUARDED_BY(mLock);
-#endif // _LIBUNWINDSTACK_LOG_H
+void modifyLockedVariable() REQUIRES(mLock) {
+ i = 1;
+}
+
+TEST(Mutex, compile) {
+ android::Mutex::Autolock _l(mLock);
+ i = 0;
+ modifyLockedVariable();
+}
\ No newline at end of file
diff --git a/libziparchive/Android.bp b/libziparchive/Android.bp
index 84a9a2f..333835c 100644
--- a/libziparchive/Android.bp
+++ b/libziparchive/Android.bp
@@ -50,6 +50,8 @@
"libbase",
"liblog",
],
+
+ export_include_dirs: ["include"],
}
cc_library {
@@ -65,7 +67,6 @@
"liblog",
"libbase",
],
- export_include_dirs: ["include"],
target: {
android: {
shared_libs: [
diff --git a/libziparchive/include/ziparchive/zip_archive_stream_entry.h b/libziparchive/include/ziparchive/zip_archive_stream_entry.h
index a40b799..b4766f8 100644
--- a/libziparchive/include/ziparchive/zip_archive_stream_entry.h
+++ b/libziparchive/include/ziparchive/zip_archive_stream_entry.h
@@ -40,7 +40,8 @@
ZipArchiveHandle handle_;
- uint32_t crc32_;
+ off64_t offset_ = 0;
+ uint32_t crc32_ = 0u;
};
#endif // LIBZIPARCHIVE_ZIPARCHIVESTREAMENTRY_H_
diff --git a/libziparchive/zip_archive.cc b/libziparchive/zip_archive.cc
index 17c268b..ad40d42 100644
--- a/libziparchive/zip_archive.cc
+++ b/libziparchive/zip_archive.cc
@@ -435,13 +435,20 @@
static int32_t ValidateDataDescriptor(MappedZipFile& mapped_zip, ZipEntry* entry) {
uint8_t ddBuf[sizeof(DataDescriptor) + sizeof(DataDescriptor::kOptSignature)];
- if (!mapped_zip.ReadData(ddBuf, sizeof(ddBuf))) {
+ off64_t offset = entry->offset;
+ if (entry->method != kCompressStored) {
+ offset += entry->compressed_length;
+ } else {
+ offset += entry->uncompressed_length;
+ }
+
+ if (!mapped_zip.ReadAtOffset(ddBuf, sizeof(ddBuf), offset)) {
return kIoError;
}
const uint32_t ddSignature = *(reinterpret_cast<const uint32_t*>(ddBuf));
- const uint16_t offset = (ddSignature == DataDescriptor::kOptSignature) ? 4 : 0;
- const DataDescriptor* descriptor = reinterpret_cast<const DataDescriptor*>(ddBuf + offset);
+ const uint16_t ddOffset = (ddSignature == DataDescriptor::kOptSignature) ? 4 : 0;
+ const DataDescriptor* descriptor = reinterpret_cast<const DataDescriptor*>(ddBuf + ddOffset);
// Validate that the values in the data descriptor match those in the central
// directory.
@@ -899,7 +906,9 @@
/* read as much as we can */
if (zstream.avail_in == 0) {
const size_t getSize = (compressed_length > kBufSize) ? kBufSize : compressed_length;
- if (!mapped_zip.ReadData(read_buf.data(), getSize)) {
+ off64_t offset = entry->offset + (entry->compressed_length - compressed_length);
+ // Make sure to read at offset to ensure concurrent access to the fd.
+ if (!mapped_zip.ReadAtOffset(read_buf.data(), getSize, offset)) {
ALOGW("Zip: inflate read failed, getSize = %zu: %s", getSize, strerror(errno));
return kIoError;
}
@@ -962,12 +971,15 @@
uint64_t crc = 0;
while (count < length) {
uint32_t remaining = length - count;
+ off64_t offset = entry->offset + count;
- // Safe conversion because kBufSize is narrow enough for a 32 bit signed
- // value.
+ // Safe conversion because kBufSize is narrow enough for a 32 bit signed value.
const size_t block_size = (remaining > kBufSize) ? kBufSize : remaining;
- if (!mapped_zip.ReadData(buf.data(), block_size)) {
- ALOGW("CopyFileToFile: copy read failed, block_size = %zu: %s", block_size, strerror(errno));
+
+ // Make sure to read at offset to ensure concurrent access to the fd.
+ if (!mapped_zip.ReadAtOffset(buf.data(), block_size, offset)) {
+ ALOGW("CopyFileToFile: copy read failed, block_size = %zu, offset = %" PRId64 ": %s",
+ block_size, static_cast<int64_t>(offset), strerror(errno));
return kIoError;
}
@@ -986,12 +998,6 @@
int32_t ExtractToWriter(ZipArchiveHandle handle, ZipEntry* entry, Writer* writer) {
ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle);
const uint16_t method = entry->method;
- off64_t data_offset = entry->offset;
-
- if (!archive->mapped_zip.SeekToOffset(data_offset)) {
- ALOGW("Zip: lseek to data at %" PRId64 " failed", static_cast<int64_t>(data_offset));
- return kIoError;
- }
// this should default to kUnknownCompressionMethod.
int32_t return_value = -1;
@@ -1111,52 +1117,21 @@
}
}
-bool MappedZipFile::SeekToOffset(off64_t offset) {
- if (has_fd_) {
- if (lseek64(fd_, offset, SEEK_SET) != offset) {
- ALOGE("Zip: lseek to %" PRId64 " failed: %s\n", offset, strerror(errno));
- return false;
- }
- return true;
- } else {
- if (offset < 0 || offset > static_cast<off64_t>(data_length_)) {
- ALOGE("Zip: invalid offset: %" PRId64 ", data length: %" PRId64 "\n", offset, data_length_);
- return false;
- }
-
- read_pos_ = offset;
- return true;
- }
-}
-
-bool MappedZipFile::ReadData(uint8_t* buffer, size_t read_amount) {
- if (has_fd_) {
- if (!android::base::ReadFully(fd_, buffer, read_amount)) {
- ALOGE("Zip: read from %d failed\n", fd_);
- return false;
- }
- } else {
- memcpy(buffer, static_cast<uint8_t*>(base_ptr_) + read_pos_, read_amount);
- read_pos_ += read_amount;
- }
- return true;
-}
-
// Attempts to read |len| bytes into |buf| at offset |off|.
bool MappedZipFile::ReadAtOffset(uint8_t* buf, size_t len, off64_t off) {
-#if !defined(_WIN32)
if (has_fd_) {
- if (static_cast<size_t>(TEMP_FAILURE_RETRY(pread64(fd_, buf, len, off))) != len) {
+ if (!android::base::ReadFullyAtOffset(fd_, buf, len, off)) {
ALOGE("Zip: failed to read at offset %" PRId64 "\n", off);
return false;
}
- return true;
+ } else {
+ if (off < 0 || off > static_cast<off64_t>(data_length_)) {
+ ALOGE("Zip: invalid offset: %" PRId64 ", data length: %" PRId64 "\n", off, data_length_);
+ return false;
+ }
+ memcpy(buf, static_cast<uint8_t*>(base_ptr_) + off, len);
}
-#endif
- if (!SeekToOffset(off)) {
- return false;
- }
- return ReadData(buf, len);
+ return true;
}
void CentralDirectory::Initialize(void* map_base_ptr, off64_t cd_start_offset, size_t cd_size) {
diff --git a/libziparchive/zip_archive_private.h b/libziparchive/zip_archive_private.h
index 840f1af..174aa3f 100644
--- a/libziparchive/zip_archive_private.h
+++ b/libziparchive/zip_archive_private.h
@@ -93,14 +93,10 @@
class MappedZipFile {
public:
explicit MappedZipFile(const int fd)
- : has_fd_(true), fd_(fd), base_ptr_(nullptr), data_length_(0), read_pos_(0) {}
+ : has_fd_(true), fd_(fd), base_ptr_(nullptr), data_length_(0) {}
explicit MappedZipFile(void* address, size_t length)
- : has_fd_(false),
- fd_(-1),
- base_ptr_(address),
- data_length_(static_cast<off64_t>(length)),
- read_pos_(0) {}
+ : has_fd_(false), fd_(-1), base_ptr_(address), data_length_(static_cast<off64_t>(length)) {}
bool HasFd() const { return has_fd_; }
@@ -110,10 +106,6 @@
off64_t GetFileLength() const;
- bool SeekToOffset(off64_t offset);
-
- bool ReadData(uint8_t* buffer, size_t read_amount);
-
bool ReadAtOffset(uint8_t* buf, size_t len, off64_t off);
private:
@@ -127,8 +119,6 @@
void* const base_ptr_;
const off64_t data_length_;
- // read_pos_ is the offset to the base_ptr_ where we read data from.
- size_t read_pos_;
};
class CentralDirectory {
diff --git a/libziparchive/zip_archive_stream_entry.cc b/libziparchive/zip_archive_stream_entry.cc
index 50352ef..9ec89b1 100644
--- a/libziparchive/zip_archive_stream_entry.cc
+++ b/libziparchive/zip_archive_stream_entry.cc
@@ -38,13 +38,8 @@
static constexpr size_t kBufSize = 65535;
bool ZipArchiveStreamEntry::Init(const ZipEntry& entry) {
- ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle_);
- off64_t data_offset = entry.offset;
- if (!archive->mapped_zip.SeekToOffset(data_offset)) {
- ALOGW("lseek to data at %" PRId64 " failed: %s", data_offset, strerror(errno));
- return false;
- }
crc32_ = entry.crc32;
+ offset_ = entry.offset;
return true;
}
@@ -61,11 +56,11 @@
protected:
bool Init(const ZipEntry& entry) override;
- uint32_t length_;
+ uint32_t length_ = 0u;
private:
std::vector<uint8_t> data_;
- uint32_t computed_crc32_;
+ uint32_t computed_crc32_ = 0u;
};
bool ZipArchiveStreamEntryUncompressed::Init(const ZipEntry& entry) {
@@ -89,7 +84,7 @@
size_t bytes = (length_ > data_.size()) ? data_.size() : length_;
ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle_);
errno = 0;
- if (!archive->mapped_zip.ReadData(data_.data(), bytes)) {
+ if (!archive->mapped_zip.ReadAtOffset(data_.data(), bytes, offset_)) {
if (errno != 0) {
ALOGE("Error reading from archive fd: %s", strerror(errno));
} else {
@@ -104,6 +99,7 @@
}
computed_crc32_ = crc32(computed_crc32_, data_.data(), data_.size());
length_ -= bytes;
+ offset_ += bytes;
return &data_;
}
@@ -129,9 +125,9 @@
z_stream z_stream_;
std::vector<uint8_t> in_;
std::vector<uint8_t> out_;
- uint32_t uncompressed_length_;
- uint32_t compressed_length_;
- uint32_t computed_crc32_;
+ uint32_t uncompressed_length_ = 0u;
+ uint32_t compressed_length_ = 0u;
+ uint32_t computed_crc32_ = 0u;
};
// This method is using libz macros with old-style-casts
@@ -210,7 +206,7 @@
size_t bytes = (compressed_length_ > in_.size()) ? in_.size() : compressed_length_;
ZipArchive* archive = reinterpret_cast<ZipArchive*>(handle_);
errno = 0;
- if (!archive->mapped_zip.ReadData(in_.data(), bytes)) {
+ if (!archive->mapped_zip.ReadAtOffset(in_.data(), bytes, offset_)) {
if (errno != 0) {
ALOGE("Error reading from archive fd: %s", strerror(errno));
} else {
@@ -220,6 +216,7 @@
}
compressed_length_ -= bytes;
+ offset_ += bytes;
z_stream_.next_in = in_.data();
z_stream_.avail_in = bytes;
}
diff --git a/logcat/logcat.cpp b/logcat/logcat.cpp
index e9ef9cc..f64196f 100644
--- a/logcat/logcat.cpp
+++ b/logcat/logcat.cpp
@@ -1638,7 +1638,7 @@
logcat_panic(context, HELP_FALSE, "read: unexpected length.\n");
break;
}
- logcat_panic(context, HELP_FALSE, "logcat read failure");
+ logcat_panic(context, HELP_FALSE, "logcat read failure\n");
break;
}
diff --git a/logd/tests/Android.mk b/logd/tests/Android.mk
index 1915677..a0875ea 100644
--- a/logd/tests/Android.mk
+++ b/logd/tests/Android.mk
@@ -63,7 +63,7 @@
LOCAL_MODULE_STEM_64 := $(LOCAL_MODULE)64
LOCAL_SHARED_LIBRARIES := libbase libcutils liblog libselinux
LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-LOCAL_COMPATIBILITY_SUITE := cts
+LOCAL_COMPATIBILITY_SUITE := cts vts
LOCAL_CTS_TEST_PACKAGE := android.core.logd
include $(BUILD_CTS_EXECUTABLE)
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 2e5575f..046557e 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -194,7 +194,7 @@
include $(CLEAR_VARS)
LOCAL_MODULE := ld.config.txt
-ifeq ($(PRODUCT_FULL_TREBLE),true)
+ifeq ($(PRODUCT_FULL_TREBLE)|$(SANITIZE_TARGET),true|)
LOCAL_SRC_FILES := etc/ld.config.txt
else
LOCAL_SRC_FILES := etc/ld.config.legacy.txt
diff --git a/rootdir/etc/ld.config.txt b/rootdir/etc/ld.config.txt
index 908a115..3cb5c1d 100644
--- a/rootdir/etc/ld.config.txt
+++ b/rootdir/etc/ld.config.txt
@@ -7,6 +7,10 @@
dir.system = /system/bin/
dir.system = /system/xbin/
dir.vendor = /vendor/bin/
+dir.test = /data/nativetest/
+dir.test = /data/nativetest64/
+dir.test = /data/benchmarktest/
+dir.test = /data/benchmarktest64/
[system]
additional.namespaces = sphal,vndk,rs
@@ -105,9 +109,23 @@
namespace.vndk.links = default
namespace.vndk.link.default.shared_libs = android.hidl.memory@1.0-impl.so:libc.so:libz.so:libm.so:libdl.so:libstdc++.so:liblog.so:libnativewindow.so:libEGL.so:libsync.so:libvndksupport.so
-
+###############################################################################
+# Namespace config for vendor processes. In O, no restriction is enforced for
+# them. However, in O-MR1, access to /system/${LIB} will not be allowed to
+# the default namespace. 'system' namespace will be added to give limited
+# (LL-NDK only) access.
+###############################################################################
[vendor]
namespace.default.isolated = false
namespace.default.search.paths = /vendor/${LIB}:/vendor/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/system/${LIB}
namespace.default.asan.search.paths = /data/asan/vendor/${LIB}:/vendor/${LIB}:/data/asan/vendor/${LIB}/vndk-sp:/vendor/${LIB}/vndk-sp:/data/asan/system/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/data/asan/system/${LIB}:/system/${LIB}
+
+###############################################################################
+# Namespace config for tests. No VNDK restriction is enforced for these tests.
+###############################################################################
+[test]
+namespace.default.isolated = false
+namespace.default.search.paths = /vendor/${LIB}:/vendor/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/system/${LIB}
+
+namespace.default.asan.search.paths = /data/asan/vendor/${LIB}:/vendor/${LIB}:/data/asan/vendor/${LIB}/vndk-sp:/vendor/${LIB}/vndk-sp:/data/asan/system/${LIB}/vndk-sp:/system/${LIB}/vndk-sp:/data/asan/system/${LIB}:/system/${LIB}
diff --git a/rootdir/init.rc b/rootdir/init.rc
index f734f61..901d066 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -37,7 +37,7 @@
# app mem cgroups, used by activity manager, lmkd and zygote
mkdir /dev/memcg/apps/ 0755 system system
# cgroup for system_server and surfaceflinger
- mkdir /dev/memcg/system 0755 system system
+ mkdir /dev/memcg/system 0550 system system
start ueventd
@@ -386,6 +386,20 @@
# create basic filesystem structure
mkdir /data/misc 01771 system misc
+ mkdir /data/misc/recovery 0770 system log
+ copy /data/misc/recovery/default.prop /data/misc/recovery/default.prop.1
+ chmod 0440 /data/misc/recovery/default.prop.1
+ chown system log /data/misc/recovery/default.prop.1
+ copy /default.prop /data/misc/recovery/default.prop
+ chmod 0440 /data/misc/recovery/default.prop
+ chown system log /data/misc/recovery/default.prop
+ mkdir /data/misc/recovery/proc 0770 system log
+ copy /data/misc/recovery/proc/version /data/misc/recovery/proc/version.1
+ chmod 0440 /data/misc/recovery/proc/version.1
+ chown system log /data/misc/recovery/proc/version.1
+ copy /proc/version /data/misc/recovery/proc/version
+ chmod 0440 /data/misc/recovery/proc/version
+ chown system log /data/misc/recovery/proc/version
mkdir /data/misc/bluedroid 02770 bluetooth bluetooth
# Fix the access permissions and group ownership for 'bt_config.conf'
chmod 0660 /data/misc/bluedroid/bt_config.conf
@@ -685,12 +699,17 @@
on property:security.perf_harden=1
write /proc/sys/kernel/perf_event_paranoid 3
+# on shutdown
+# In device's init.rc, this trigger can be used to do device-specific actions
+# before shutdown. e.g disable watchdog and mask error handling
+
## Daemon processes to be run by init.
##
service ueventd /sbin/ueventd
class core
critical
seclabel u:r:ueventd:s0
+ shutdown critical
service healthd /system/bin/healthd
class core
diff --git a/sdcard/Android.mk b/sdcard/Android.mk
index 0c58574..5b4dc58 100644
--- a/sdcard/Android.mk
+++ b/sdcard/Android.mk
@@ -8,6 +8,5 @@
LOCAL_SHARED_LIBRARIES := libbase libcutils libminijail libpackagelistparser
LOCAL_SANITIZE := integer
-LOCAL_CLANG := true
include $(BUILD_EXECUTABLE)
diff --git a/shell_and_utilities/Android.bp b/shell_and_utilities/Android.bp
index 6d35fed..9620d63 100644
--- a/shell_and_utilities/Android.bp
+++ b/shell_and_utilities/Android.bp
@@ -4,7 +4,6 @@
"bzip2",
"grep",
"grep_vendor",
- "gzip",
"mkshrc",
"mkshrc_vendor",
"reboot",
diff --git a/storaged/include/storaged.h b/storaged/include/storaged.h
index 49b0ca8..bd99361 100644
--- a/storaged/include/storaged.h
+++ b/storaged/include/storaged.h
@@ -240,6 +240,7 @@
uid_monitor mUidm;
time_t mStarttime;
sp<IBatteryPropertiesRegistrar> battery_properties;
+ std::unique_ptr<storage_info_t> storage_info;
public:
storaged_t(void);
~storaged_t() {}
@@ -269,6 +270,8 @@
void init_battery_service();
virtual void batteryPropertiesChanged(struct BatteryProperties props);
void binderDied(const wp<IBinder>& who);
+
+ void report_storage_info();
};
// Eventlog tag
diff --git a/storaged/include/storaged_info.h b/storaged/include/storaged_info.h
index 913c814..7d04c7a 100644
--- a/storaged/include/storaged_info.h
+++ b/storaged/include/storaged_info.h
@@ -27,39 +27,46 @@
class storage_info_t {
protected:
FRIEND_TEST(storaged_test, storage_info_t);
+ // emmc lifetime
uint16_t eol; // pre-eol (end of life) information
uint16_t lifetime_a; // device life time estimation (type A)
uint16_t lifetime_b; // device life time estimation (type B)
string version; // version string
+ // free space
+ const string userdata_path = "/data";
+ uint64_t userdata_total_kb;
+ uint64_t userdata_free_kb;
+
+ storage_info_t() : eol(0), lifetime_a(0), lifetime_b(0),
+ userdata_total_kb(0), userdata_free_kb(0) {}
void publish();
+ storage_info_t* s_info;
public:
- storage_info_t() : eol(0), lifetime_a(0), lifetime_b(0) {}
+ static storage_info_t* get_storage_info();
virtual ~storage_info_t() {}
- virtual bool report() = 0;
+ virtual void report() {};
+ void refresh();
};
class emmc_info_t : public storage_info_t {
private:
- const string emmc_sysfs = "/sys/bus/mmc/devices/mmc0:0001/";
- const string emmc_debugfs = "/d/mmc0/mmc0:0001/ext_csd";
- const char* emmc_ver_str[9] = {
- "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0", "5.1"
- };
-public:
- virtual ~emmc_info_t() {}
- bool report();
bool report_sysfs();
bool report_debugfs();
+public:
+ static const string emmc_sysfs;
+ static const string emmc_debugfs;
+ static const char* emmc_ver_str[];
+
+ virtual ~emmc_info_t() {}
+ virtual void report();
};
class ufs_info_t : public storage_info_t {
-private:
- const string health_file = "/sys/devices/soc/624000.ufshc/health";
public:
- virtual ~ufs_info_t() {}
- bool report();
-};
+ static const string health_file;
-void report_storage_health();
+ virtual ~ufs_info_t() {}
+ virtual void report();
+};
#endif /* _STORAGED_INFO_H_ */
diff --git a/storaged/main.cpp b/storaged/main.cpp
index 094f074..49bd916 100644
--- a/storaged/main.cpp
+++ b/storaged/main.cpp
@@ -49,6 +49,7 @@
storaged = new storaged_t();
storaged->init_battery_service();
+ storaged->report_storage_info();
LOG_TO(SYSTEM, INFO) << "storaged: Start";
@@ -119,7 +120,6 @@
}
if (flag_main_service) { // start main thread
- report_storage_health();
// Start the main thread of storaged
pthread_t storaged_main_thread;
errno = pthread_create(&storaged_main_thread, NULL, storaged_main, NULL);
diff --git a/storaged/storaged.cpp b/storaged/storaged.cpp
index 54d429c..06afea6 100644
--- a/storaged/storaged.cpp
+++ b/storaged/storaged.cpp
@@ -200,6 +200,10 @@
}
}
+void storaged_t::report_storage_info() {
+ storage_info->report();
+}
+
/* storaged_t */
storaged_t::storaged_t(void) {
if (access(MMC_DISK_STATS_PATH, R_OK) < 0 && access(SDA_DISK_STATS_PATH, R_OK) < 0) {
@@ -222,6 +226,8 @@
mConfig.periodic_chores_interval_uid_io =
property_get_int32("ro.storaged.uid_io.interval", DEFAULT_PERIODIC_CHORES_INTERVAL_UID_IO);
+ storage_info.reset(storage_info_t::get_storage_info());
+
mStarttime = time(NULL);
}
@@ -229,6 +235,7 @@
if (mConfig.diskstats_available) {
mDiskStats.update();
mDsm.update();
+ storage_info->refresh();
if (mTimer && (mTimer % mConfig.periodic_chores_interval_disk_stats_publish) == 0) {
mDiskStats.publish();
}
diff --git a/storaged/storaged_info.cpp b/storaged/storaged_info.cpp
index 434bd74..b5fb13e 100644
--- a/storaged/storaged_info.cpp
+++ b/storaged/storaged_info.cpp
@@ -18,6 +18,7 @@
#include <stdio.h>
#include <string.h>
+#include <sys/statvfs.h>
#include <android-base/file.h>
#include <android-base/parseint.h>
@@ -30,13 +31,42 @@
using namespace std;
using namespace android::base;
-void report_storage_health()
-{
- emmc_info_t mmc;
- ufs_info_t ufs;
+const string emmc_info_t::emmc_sysfs = "/sys/bus/mmc/devices/mmc0:0001/";
+const string emmc_info_t::emmc_debugfs = "/d/mmc0/mmc0:0001/ext_csd";
+const char* emmc_info_t::emmc_ver_str[9] = {
+ "4.0", "4.1", "4.2", "4.3", "Obsolete", "4.41", "4.5", "5.0", "5.1"
+};
- mmc.report();
- ufs.report();
+const string ufs_info_t::health_file = "/sys/devices/soc/624000.ufshc/health";
+
+static bool FileExists(const std::string& filename)
+{
+ struct stat buffer;
+ return stat(filename.c_str(), &buffer) == 0;
+}
+
+storage_info_t* storage_info_t::get_storage_info()
+{
+ if (FileExists(emmc_info_t::emmc_sysfs) ||
+ FileExists(emmc_info_t::emmc_debugfs)) {
+ return new emmc_info_t;
+ }
+ if (FileExists(ufs_info_t::health_file)) {
+ return new ufs_info_t;
+ }
+ return new storage_info_t;
+}
+
+void storage_info_t::refresh()
+{
+ struct statvfs buf;
+ if (statvfs(userdata_path.c_str(), &buf) != 0) {
+ PLOG_TO(SYSTEM, WARNING) << "Failed to get userdata info";
+ return;
+ }
+
+ userdata_total_kb = buf.f_bsize * buf.f_blocks >> 10;
+ userdata_free_kb = buf.f_bfree * buf.f_blocks >> 10;
}
void storage_info_t::publish()
@@ -46,13 +76,12 @@
<< LOG_ID_EVENTS;
}
-bool emmc_info_t::report()
+void emmc_info_t::report()
{
if (!report_sysfs() && !report_debugfs())
- return false;
+ return;
publish();
- return true;
}
bool emmc_info_t::report_sysfs()
@@ -136,21 +165,21 @@
return true;
}
-bool ufs_info_t::report()
+void ufs_info_t::report()
{
string buffer;
if (!ReadFileToString(health_file, &buffer)) {
- return false;
+ return;
}
vector<string> lines = Split(buffer, "\n");
if (lines.empty()) {
- return false;
+ return;
}
char rev[8];
if (sscanf(lines[0].c_str(), "ufs version: 0x%7s\n", rev) < 1) {
- return false;
+ return;
}
version = "ufs " + string(rev);
@@ -175,10 +204,9 @@
}
if (eol == 0 || (lifetime_a == 0 && lifetime_b == 0)) {
- return false;
+ return;
}
publish();
- return true;
}
diff --git a/trusty/keymaster/trusty_keymaster_device_test.cpp b/trusty/keymaster/trusty_keymaster_device_test.cpp
index 3bb5430..e8f5c0b 100644
--- a/trusty/keymaster/trusty_keymaster_device_test.cpp
+++ b/trusty/keymaster/trusty_keymaster_device_test.cpp
@@ -16,8 +16,8 @@
#include <algorithm>
#include <fstream>
-#include <UniquePtr.h>
#include <gtest/gtest.h>
+#include <nativehelper/UniquePtr.h>
#include <openssl/engine.h>
#include <hardware/keymaster0.h>