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Handle frame pointer omission, (#21), part 4 (final part!): FPO stackwalker.

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r=bryner
 - This change allows Airbag to properly walk win32 stacks produced by code
   built with MSVC's frame pointer omission optimization (/Oy).  This
   optimization is enabled at /O1 and /O2.
 - There too many interface and file format changes to list here.

http://groups.google.com/group/airbag-dev/browse_thread/thread/85ce85bfa8457ece


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@42 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
mmentovai 2006-10-20 01:46:38 +00:00
parent 5afd60b067
commit 246f406828
33 changed files with 2643 additions and 1744 deletions
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10
src/processor/stackwalker_x86.h
View file

@ -61,11 +61,11 @@ class StackwalkerX86 : public Stackwalker {
SymbolSupplier *supplier);
private:
// Implementation of Stackwalker, using x86 context (%ebp, %eip) and
// stack conventions (saved %ebp at [%ebp], saved %eip at 4[%ebp]).
virtual bool GetContextFrame(StackFrame *frame);
virtual bool GetCallerFrame(StackFrame *frame,
const StackFrames *walked_frames);
// Implementation of Stackwalker, using x86 context (%ebp, %esp, %eip) and
// stack conventions (saved %ebp at [%ebp], saved %eip at 4[%ebp], or
// alternate conventions as guided by stack_frame_info_).
virtual StackFrame* GetContextFrame();
virtual StackFrame* GetCallerFrame(const CallStack *stack);
// Stores the CPU context corresponding to the innermost stack frame to
// be returned by GetContextFrame.