diff options
| author | Alexey Samsonov <vonosmas@gmail.com> | 2014-07-29 23:22:41 +0000 |
|---|---|---|
| committer | Alexey Samsonov <vonosmas@gmail.com> | 2014-07-29 23:22:41 +0000 |
| commit | d137df1415f805e26caf3a245423733423acd69d (patch) | |
| tree | 67b8fd9b43409f019d472b738801d1ff15a5e944 /lib/sanitizer_common/sanitizer_stacktrace.h | |
| parent | 56af5a0071456b9bbbb56808baaed5946aa907b9 (diff) | |
[UBSan] Get pc/bp for stack unwinding as early as possible.
This will ensure that stack frames in error reports will not
contain internal UBSan failures, and frame #0 will be the
actual place in the program where the error happens.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@214245 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_stacktrace.h')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_stacktrace.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_stacktrace.h b/lib/sanitizer_common/sanitizer_stacktrace.h index fcaa777cc..75ab3a06d 100644 --- a/lib/sanitizer_common/sanitizer_stacktrace.h +++ b/lib/sanitizer_common/sanitizer_stacktrace.h @@ -88,6 +88,10 @@ struct StackTrace { uptr local_stack; \ uptr sp = (uptr)&local_stack +#define GET_CALLER_PC_BP \ + uptr bp = GET_CURRENT_FRAME(); \ + uptr pc = GET_CALLER_PC(); + // Use this macro if you want to print stack trace with the current // function in the top frame. #define GET_CURRENT_PC_BP_SP \ |