[asan] symbolize when possible, even if ASAN_SYMBOLIZER_PATH is not provided. On Linux this will use dl_iterate_phdr instead of /proc/self/maps, even if the symbolizer is not installed
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@182005 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_rtl.cc b/lib/asan/asan_rtl.cc
index e05f153..26c5b07 100644
--- a/lib/asan/asan_rtl.cc
+++ b/lib/asan/asan_rtl.cc
@@ -129,7 +129,7 @@
void InitializeFlags(Flags *f, const char *env) {
CommonFlags *cf = common_flags();
cf->external_symbolizer_path = GetEnv("ASAN_SYMBOLIZER_PATH");
- cf->symbolize = (cf->external_symbolizer_path != 0);
+ cf->symbolize = true;
cf->malloc_context_size = kDefaultMallocContextSize;
cf->fast_unwind_on_fatal = false;
cf->fast_unwind_on_malloc = true;
diff --git a/lib/sanitizer_common/sanitizer_symbolizer_linux.cc b/lib/sanitizer_common/sanitizer_symbolizer_linux.cc
index a3f4ee0..6c7ee9c 100644
--- a/lib/sanitizer_common/sanitizer_symbolizer_linux.cc
+++ b/lib/sanitizer_common/sanitizer_symbolizer_linux.cc
@@ -126,7 +126,7 @@
#if SANITIZER_ANDROID
uptr GetListOfModules(LoadedModule *modules, uptr max_modules,
string_predicate_t filter) {
- UNIMPLEMENTED();
+ return 0;
}
#else // SANITIZER_ANDROID
typedef ElfW(Phdr) Elf_Phdr;