diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc b/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc index f66fa79f19a5..59ca927fa5b6 100644 --- a/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc +++ b/lib/sanitizer_common/sanitizer_stacktrace_libcdep.cc @@ -25,6 +25,8 @@ void StackTrace::Print() const { return; } InternalScopedString frame_desc(GetPageSizeCached() * 2); + InternalScopedString dedup_token(GetPageSizeCached()); + int dedup_frames = common_flags()->dedup_token_length; uptr frame_num = 0; for (uptr i = 0; i < size && trace[i]; i++) { // PCs in stack traces are actually the return addresses, that is, @@ -38,11 +40,18 @@ void StackTrace::Print() const { cur->info, common_flags()->symbolize_vs_style, common_flags()->strip_path_prefix); Printf("%s\n", frame_desc.data()); + if (dedup_frames-- > 0) { + if (dedup_token.length()) + dedup_token.append("--"); + dedup_token.append(cur->info.function); + } } frames->ClearAll(); } // Always print a trailing empty line after stack trace. Printf("\n"); + if (dedup_token.length()) + Printf("DEDUP_TOKEN: %s\n", dedup_token.data()); } void BufferedStackTrace::Unwind(u32 max_depth, uptr pc, uptr bp, void *context, |