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Remove pc tests in stack walking code that prevent it from working on Fedora Core 1. b=227396 r=bryner

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git-svn-id: svn://10.0.0.236/trunk@150851 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
dbaron%dbaron.org
2004-01-03 19:16:31 +00:00
parent 1a973e5f6d
commit 5230556c2f
2 changed files with 10 additions and 12 deletions
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14
mozilla/xpcom/base/nsStackFrameUnix.cpp
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@@ -103,21 +103,21 @@ void DumpStackToFile(FILE* aStream)
// Stack walking code courtesy Kipp's "leaky".
// Get the frame pointer out of the jmp_buf
void **bp = (void**)
#if defined(__i386)
unsigned long* bp = (unsigned long*) (jb[0].__jmpbuf[JB_BP]);
(jb[0].__jmpbuf[JB_BP]);
#elif defined(PPC)
unsigned long* bp = (unsigned long*) (jb[0].__jmpbuf[JB_GPR1]);
(jb[0].__jmpbuf[JB_GPR1]);
#endif
int skip = 2;
for (unsigned long *nextbp = (unsigned long*) *bp++, pc = *bp;
pc >= 0x08000000 && pc < 0x7fffffff && nextbp > bp;
bp = nextbp, nextbp = (unsigned long*) *bp++, pc = *bp) {
for ( ; (void**)*bp > bp; bp = (void**)*bp) {
void *pc = *(bp+1);
if (--skip <= 0) {
Dl_info info;
int ok = dladdr((void*) pc, &info);
int ok = dladdr(pc, &info);
if (!ok) {
fprintf(aStream, "UNKNOWN %p\n", (void *)pc);
fprintf(aStream, "UNKNOWN %p\n", pc);
continue;
}