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Let x86 stackwalker scan stack in cases where program evaluation fails. Original patch by Jeff Muizelaar <jmuizelaar@mozilla.com> with some changes by me. r=mento at http://breakpad.appspot.com/32003/show

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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@409 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2009-10-08 14:21:50 +00:00
parent 760d66430e
commit 8d70618ffc
7 changed files with 161 additions and 27 deletions
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22
src/processor/minidump_stackwalk.cc
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@ -160,6 +160,28 @@ static void PrintStack(const CallStack *stack, const string &cpu) {
sequence = PrintRegister("edx", frame_x86->context.edx, sequence);
sequence = PrintRegister("efl", frame_x86->context.eflags, sequence);
}
const char *trust_name;
switch (frame_x86->trust) {
case StackFrameX86::FRAME_TRUST_NONE:
trust_name = "unknown";
break;
case StackFrameX86::FRAME_TRUST_CONTEXT:
trust_name = "given as instruction pointer in context";
break;
case StackFrameX86::FRAME_TRUST_CFI:
trust_name = "call frame info";
break;
case StackFrameX86::FRAME_TRUST_CFI_SCAN:
trust_name = "call frame info with scanning";
break;
case StackFrameX86::FRAME_TRUST_FP:
trust_name = "previous frame's frame pointer";
break;
case StackFrameX86::FRAME_TRUST_SCAN:
trust_name = "stack scanning";
break;
}
printf("\n Found by: %s", trust_name);
} else if (cpu == "ppc") {
const StackFramePPC *frame_ppc =
reinterpret_cast<const StackFramePPC*>(frame);