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| author | chefmax <chefmax@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-11-08 22:07:50 +0000 |
|---|---|---|
| committer | Dongkyun Son <dongkyun.s@samsung.com> | 2017-08-03 11:49:26 +0000 |
| commit | d3cbdccd2a752a93f62f1e6034f09f49dcea8ccd (patch) | |
| tree | cc61fa82e7b42942161342a1ac37819f8c4a289a | |
| parent | 3bbfa0f43c01ede12fdd546d6d1e4113b80a46a1 (diff) | |
| download | linaro-gcc-d3cbdccd2a752a93f62f1e6034f09f49dcea8ccd.tar.gz linaro-gcc-d3cbdccd2a752a93f62f1e6034f09f49dcea8ccd.tar.bz2 linaro-gcc-d3cbdccd2a752a93f62f1e6034f09f49dcea8ccd.zip | |
libsanitizer/
* sanitizer_common/sanitizer_stacktrace.cc (GetCanonicFrame): Assume we
compiled code with GCC when extracting the caller PC for ARM if no
valid frame pointer is available.
Change-Id: Ic974dcb0800c15eabf74a2c78f791c6cedc1aa44
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@241980 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | libsanitizer/ChangeLog | 6 | ||||
| -rw-r--r-- | libsanitizer/sanitizer_common/sanitizer_stacktrace.cc | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog index c6b0d3ffd55..a4cba4e7983 100644 --- a/libsanitizer/ChangeLog +++ b/libsanitizer/ChangeLog @@ -1,5 +1,11 @@ 2016-11-09 Maxim Ostapenko <m.ostapenko@samsung.com> + * sanitizer_common/sanitizer_stacktrace.cc (GetCanonicFrame): Assume we + compiled code with GCC when extracting the caller PC for ARM if no + valid frame pointer is available. + +2016-11-09 Maxim Ostapenko <m.ostapenko@samsung.com> + PR sanitizer/63958 Reapply: 2014-10-14 David S. Miller <davem@davemloft.net> diff --git a/libsanitizer/sanitizer_common/sanitizer_stacktrace.cc b/libsanitizer/sanitizer_common/sanitizer_stacktrace.cc index 531f256c048..cbb3af270b6 100644 --- a/libsanitizer/sanitizer_common/sanitizer_stacktrace.cc +++ b/libsanitizer/sanitizer_common/sanitizer_stacktrace.cc @@ -55,8 +55,8 @@ static inline uhwptr *GetCanonicFrame(uptr bp, // Nope, this does not look right either. This means the frame after next does // not have a valid frame pointer, but we can still extract the caller PC. // Unfortunately, there is no way to decide between GCC and LLVM frame - // layouts. Assume LLVM. - return bp_prev; + // layouts. Assume GCC. + return bp_prev - 1; #else return (uhwptr*)bp; #endif |