ART: Factor out native stack dumping
Move DumpNativeStack and DumpKernelStack into a new file to keep
concerns separated. Clean up the file.
In preparation for modifications to how we use addr2line.
Bug: 30351473
Test: m test-art-host
Test: manual host testing with a test that times out
Change-Id: I02d5645952fe94fd8e73bcf0522721547f6cef66
diff --git a/runtime/native_stack_dump.h b/runtime/native_stack_dump.h
new file mode 100644
index 0000000..d64bc82
--- /dev/null
+++ b/runtime/native_stack_dump.h
@@ -0,0 +1,49 @@
+/*
+ * 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.
+ */
+
+#ifndef ART_RUNTIME_NATIVE_STACK_DUMP_H_
+#define ART_RUNTIME_NATIVE_STACK_DUMP_H_
+
+#include <unistd.h>
+
+#include <iosfwd>
+
+#include "base/macros.h"
+
+class BacktraceMap;
+
+namespace art {
+
+class ArtMethod;
+
+// Dumps the native stack for thread 'tid' to 'os'.
+void DumpNativeStack(std::ostream& os,
+ pid_t tid,
+ BacktraceMap* map = nullptr,
+ const char* prefix = "",
+ ArtMethod* current_method = nullptr,
+ void* ucontext = nullptr)
+ NO_THREAD_SAFETY_ANALYSIS;
+
+// Dumps the kernel stack for thread 'tid' to 'os'. Note that this is only available on linux-x86.
+void DumpKernelStack(std::ostream& os,
+ pid_t tid,
+ const char* prefix = "",
+ bool include_count = true);
+
+} // namespace art
+
+#endif // ART_RUNTIME_NATIVE_STACK_DUMP_H_