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Allow setting a limit on the number of frames to be recovered by stack scanning.

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Patch by Julian Seward <jseward@acm.org> R=ted at https://bugzilla.mozilla.org/show_bug.cgi?id=894264

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1206 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com 2013-08-19 18:31:51 +00:00
parent aaeb7e4f13
commit 0510e34cbf
17 changed files with 262 additions and 29 deletions
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5
src/processor/stackwalker_amd64.cc
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@ -197,7 +197,8 @@ StackFrameAMD64* StackwalkerAMD64::GetCallerByStackScan(
return frame;
}
StackFrame* StackwalkerAMD64::GetCallerFrame(const CallStack* stack) {
StackFrame* StackwalkerAMD64::GetCallerFrame(const CallStack* stack,
bool stack_scan_allowed) {
if (!memory_ || !stack) {
BPLOG(ERROR) << "Can't get caller frame without memory or stack";
return NULL;
@ -215,7 +216,7 @@ StackFrame* StackwalkerAMD64::GetCallerFrame(const CallStack* stack) {
// If CFI failed, or there wasn't CFI available, fall back
// to stack scanning.
if (!new_frame.get()) {
if (stack_scan_allowed && !new_frame.get()) {
new_frame.reset(GetCallerByStackScan(frames));
}