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Fix some apparently longstanding crash bugs in Stackwalker implementations when resolver is NULL.

Browse source 
R=mark at http://breakpad.appspot.com/257001

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@761 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek 2011-01-24 19:59:09 +00:00
parent b904343e14
commit 281d52d944
7 changed files with 75 additions and 13 deletions
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4
src/processor/stackwalker_arm.cc
View file

@ -190,8 +190,8 @@ StackFrame* StackwalkerARM::GetCallerFrame(const CallStack *stack) {
scoped_ptr<StackFrameARM> frame;
// See if there is DWARF call frame information covering this address.
scoped_ptr<CFIFrameInfo> cfi_frame_info(resolver_
->FindCFIFrameInfo(last_frame));
scoped_ptr<CFIFrameInfo> cfi_frame_info(
resolver_ ? resolver_->FindCFIFrameInfo(last_frame) : NULL);
if (cfi_frame_info.get())
frame.reset(GetCallerByCFIFrameInfo(frames, cfi_frame_info.get()));