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sanitizer_stacktrace.cc (GetCanonicFrame): Assume we compiled code with GCC when extracting the caller PC for ARM if... 

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.

From-SVN: r229115
This commit is contained in:
Max Ostapenko 2015-10-21 10:51:03 +03:00 committed by Maxim Ostapenko
parent 15ebe1fe46
commit 21d6106320
2 changed files with 8 additions and 2 deletions
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6
libsanitizer/ChangeLog
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@ -1,3 +1,9 @@
2015-10-21 Maxim Ostapenko <m.ostapenko@partner.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.
2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com> 2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
PR bootstrap/63888 PR bootstrap/63888

4
libsanitizer/sanitizer_common/sanitizer_stacktrace.cc
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@ -60,8 +60,8 @@ static inline uhwptr *GetCanonicFrame(uptr bp,
// Nope, this does not look right either. This means the frame after next does // 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. // 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 // Unfortunately, there is no way to decide between GCC and LLVM frame
// layouts. Assume LLVM. // layouts. Assume GCC.
return bp_prev; return bp_prev - 1;
#else #else
return (uhwptr*)bp; return (uhwptr*)bp;
#endif #endif