Differential D91853 Diff 315496 compiler-rt/lib/sanitizer_common/sanitizer_unwind_win.cpp

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compiler-rt/lib/sanitizer_common/sanitizer_unwind_win.cpp

Show All 37 Lines	void BufferedStackTrace::UnwindSlow(uptr pc, u32 max_depth) {
uptr pc_location = LocatePcInTrace(pc);		uptr pc_location = LocatePcInTrace(pc);
PopStackFrames(pc_location);		PopStackFrames(pc_location);

// Replace the first frame with the PC because the frame in the		// Replace the first frame with the PC because the frame in the
// stacktrace might be incorrect.		// stacktrace might be incorrect.
trace_buffer[0] = pc;		trace_buffer[0] = pc;
}		}

		#ifdef __clang__
		#pragma clang diagnostic push
		#pragma clang diagnostic ignored "-Wframe-larger-than="
		#endif
void BufferedStackTrace::UnwindSlow(uptr pc, void *context, u32 max_depth) {		void BufferedStackTrace::UnwindSlow(uptr pc, void *context, u32 max_depth) {
CHECK(context);		CHECK(context);
CHECK_GE(max_depth, 2);		CHECK_GE(max_depth, 2);
CONTEXT ctx = (CONTEXT )context;		CONTEXT ctx = (CONTEXT )context;
STACKFRAME64 stack_frame;		STACKFRAME64 stack_frame;
memset(&stack_frame, 0, sizeof(stack_frame));		memset(&stack_frame, 0, sizeof(stack_frame));

InitializeDbgHelpIfNeeded();		InitializeDbgHelpIfNeeded();
Show All 15 Lines	#endif
stack_frame.AddrStack.Mode = AddrModeFlat;		stack_frame.AddrStack.Mode = AddrModeFlat;
while (StackWalk64(machine_type, GetCurrentProcess(), GetCurrentThread(),		while (StackWalk64(machine_type, GetCurrentProcess(), GetCurrentThread(),
&stack_frame, &ctx, NULL, SymFunctionTableAccess64,		&stack_frame, &ctx, NULL, SymFunctionTableAccess64,
SymGetModuleBase64, NULL) &&		SymGetModuleBase64, NULL) &&
size < Min(max_depth, kStackTraceMax)) {		size < Min(max_depth, kStackTraceMax)) {
trace_buffer[size++] = (uptr)stack_frame.AddrPC.Offset;		trace_buffer[size++] = (uptr)stack_frame.AddrPC.Offset;
}		}
}		}
		#ifdef __clang__
		#pragma clang diagnostic pop
		#endif
#endif // #if !SANITIZER_GO		#endif // #if !SANITIZER_GO

#endif // SANITIZER_WINDOWS		#endif // SANITIZER_WINDOWS