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Use __builtin_frame_address instead of setjmp to get the frame pointer for Linux stack traces, plus a little other cleanup. r=caillon sr=shaver b=323853

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git-svn-id: svn://10.0.0.236/trunk@189528 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
dbaron%dbaron.org
2006-02-09 23:03:49 +00:00
parent 4bc9fbd2f2
commit 700736bdc2
2 changed files with 9 additions and 32 deletions
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16
mozilla/xpcom/base/nsStackFrameUnix.cpp
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@@ -83,25 +83,15 @@ void DemangleSymbol(const char * aSymbol,
}
#if defined(linux) && defined(__GLIBC__) && (defined(__i386) || defined(PPC)) // i386 or PPC Linux stackwalking code
#if defined(linux) && defined(__GNUC__) && (defined(__i386) || defined(PPC)) // i386 or PPC Linux stackwalking code
#include <setjmp.h>
//
void DumpStackToFile(FILE* aStream)
{
jmp_buf jb;
setjmp(jb);
// Stack walking code courtesy Kipp's "leaky".
// Get the frame pointer out of the jmp_buf
void **bp = (void**)
#if defined(__i386)
(jb[0].__jmpbuf[JB_BP]);
#elif defined(PPC)
(jb[0].__jmpbuf[JB_GPR1]);
#endif
// Get the frame pointer
void **bp = (void**) __builtin_frame_address(0);
int skip = 2;
for ( ; (void**)*bp > bp; bp = (void**)*bp) {