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[sanitizer] Add BufferedStackTrace::Reset() 

llvm-svn: 313226
This commit is contained in:
Vitaly Buka 2017-09-14 03:06:35 +00:00
parent 9c1fa35e5f
commit 5d53e050ca
1 changed files with 7 additions and 2 deletions
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9
compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.h
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@ -97,6 +97,11 @@ struct BufferedStackTrace : public StackTrace {
void Unwind(u32 max_depth, uptr pc, uptr bp, void *context, uptr stack_top, void Unwind(u32 max_depth, uptr pc, uptr bp, void *context, uptr stack_top,
uptr stack_bottom, bool request_fast_unwind); uptr stack_bottom, bool request_fast_unwind);
void Reset() {
*static_cast<StackTrace *>(this) = StackTrace(trace_buffer, 0);
top_frame_bp = 0;
}
private: private:
void FastUnwindStack(uptr pc, uptr bp, uptr stack_top, uptr stack_bottom, void FastUnwindStack(uptr pc, uptr bp, uptr stack_top, uptr stack_bottom,
u32 max_depth); u32 max_depth);
@ -106,8 +111,8 @@ struct BufferedStackTrace : public StackTrace {
void PopStackFrames(uptr count); void PopStackFrames(uptr count);
uptr LocatePcInTrace(uptr pc); uptr LocatePcInTrace(uptr pc);
BufferedStackTrace(const BufferedStackTrace &); BufferedStackTrace(const BufferedStackTrace &) = delete;
void operator=(const BufferedStackTrace &); void operator=(const BufferedStackTrace &) = delete;
}; };
// Check if given pointer points into allocated stack area. // Check if given pointer points into allocated stack area.