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Bug 1170177 - Disable our own abort() method with MOZ_ASAN. r=froydnj

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This commit is contained in:
Christian Holler 2015-06-02 23:25:01 +02:00
parent 2173cb7292
commit dbeac1da3e
1 changed files with 10 additions and 1 deletions
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11
memory/mozalloc/mozalloc_abort.cpp
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@ -55,10 +55,19 @@ void fillAbortMessage(char (&msg)[N], uintptr_t retAddress) {
}
#endif
#if defined(XP_UNIX)
#if defined(XP_UNIX) && !defined(MOZ_ASAN)
// Define abort() here, so that it is used instead of the system abort(). This
// lets us control the behavior when aborting, in order to get better results
// on *NIX platforms. See mozalloc_abort for details.
//
// For AddressSanitizer, we must not redefine system abort because the ASan
// option "abort_on_error=1" calls abort() and therefore causes the following
// call chain with our redefined abort:
//
// ASan -> abort() -> moz_abort() -> MOZ_CRASH() -> Segmentation fault
//
// That segmentation fault will be interpreted as another bug by ASan and as a
// result, ASan will just exit(1) instead of aborting.
void abort(void)
{
#ifdef MOZ_WIDGET_ANDROID