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Bug 819539 - Ignore _Unwind_Backtrace errors on ARM + Android. r=glandium

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This commit is contained in:
Justin Lebar 2012-12-07 17:18:22 -05:00
parent 9d6bdb756f
commit 82a85dbee0
1 changed files with 9 additions and 0 deletions
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9
xpcom/base/nsStackWalk.cpp
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@ -1211,8 +1211,17 @@ NS_StackWalk(NS_WalkStackCallback aCallback, uint32_t aSkipFrames,
info.closure = aClosure;
_Unwind_Reason_Code t = _Unwind_Backtrace(unwind_callback, &info);
#if defined(ANDROID) && defined(__arm__)
// Ignore the _Unwind_Reason_Code on Android + ARM, because bionic's
// _Unwind_Backtrace usually (always?) returns _URC_FAILURE. See
// https://bugzilla.mozilla.org/show_bug.cgi?id=717853#c110.
//
// (Ideally, the #if above would be specifically for bionic, not for
// Android + ARM, but we don't have a define specifically for bionic.)
#else
if (t != _URC_END_OF_STACK)
return NS_ERROR_UNEXPECTED;
#endif
return NS_OK;
}