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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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19
src/processor/minidump_stackwalk.cc
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@@ -38,12 +38,15 @@
#include <memory>
#include <string>
#include "google/call_stack.h"
#include "google/stack_frame.h"
#include "processor/minidump.h"
#include "processor/stackwalker_x86.h"
using std::auto_ptr;
using std::string;
using google_airbag::CallStack;
using google_airbag::MemoryRegion;
using google_airbag::Minidump;
using google_airbag::MinidumpContext;
@@ -52,7 +55,6 @@ using google_airbag::MinidumpModuleList;
using google_airbag::MinidumpThread;
using google_airbag::MinidumpThreadList;
using google_airbag::StackFrame;
using google_airbag::StackFrames;
using google_airbag::Stackwalker;
@@ -112,18 +114,17 @@ int main(int argc, char **argv) {
exit(1);
}
StackFrames stack;
CallStack stack;
stackwalker->Walk(&stack);
unsigned int index;
for (index = 0 ; index < stack.size() ; index++) {
StackFrame frame = stack.at(index);
printf("[%2d] ebp = 0x%08llx eip = 0x%08llx \"%s\" + 0x%08llx\n",
for (index = 0; index < stack.frames()->size(); ++index) {
StackFrame *frame = stack.frames()->at(index);
printf("[%2d] instruction = 0x%08llx \"%s\" + 0x%08llx\n",
index,
frame.frame_pointer,
frame.instruction,
frame.module_base ? frame.module_name.c_str() : "0x0",
frame.instruction - frame.module_base);
frame->instruction,
frame->module_base ? frame->module_name.c_str() : "0x0",
frame->instruction - frame->module_base);
}
return 0;