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Bug 751766 - Remove unused function MOZ_Crash. r=glandium

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--HG--
extra : rebase_source : 8bf953755dab1c5429cd6b7e2ca5452ebab8dd8f
This commit is contained in:
Chris Peterson 2012-05-03 16:43:51 -07:00
parent f2a7f578a0
commit 36364dad38
1 changed files with 3 additions and 56 deletions
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59
mfbt/Assertions.cpp
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@ -38,70 +38,17 @@
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/Attributes.h"
#include "mozilla/Types.h"
#include <cstdio>
#include <cstdlib>
#ifndef WIN32
#include <signal.h>
#endif
#ifdef ANDROID
#include <android/log.h>
#endif
#include "mozilla/Assertions.h"
/* Implementations of runtime and static assertion macros for C and C++. */
extern "C" {
MOZ_EXPORT_API(void)
MOZ_Crash()
{
/*
* We write 123 here so that the machine code for this function is
* unique. Otherwise the linker, trying to be smart, might use the
* same code for MOZ_Crash and for some other function. That
* messes up the signature in minidumps.
*/
#if defined(WIN32)
/*
* We used to call DebugBreak() on Windows, but amazingly, it causes
* the MSVS 2010 debugger not to be able to recover a call stack.
*/
*((volatile int *) NULL) = 123;
exit(3);
#elif defined(ANDROID)
/*
* On Android, raise(SIGABRT) is handled asynchronously. Seg fault now
* so we crash immediately and capture the current call stack.
*/
*((volatile int *) NULL) = 123;
abort();
#elif defined(__APPLE__)
/*
* On Mac OS X, Breakpad ignores signals. Only real Mach exceptions are
* trapped.
*/
*((volatile int *) NULL) = 123; /* To continue from here in GDB: "return" then "continue". */
raise(SIGABRT); /* In case above statement gets nixed by the optimizer. */
#else
raise(SIGABRT); /* To continue from here in GDB: "signal 0". */
#endif
}
MOZ_EXPORT_API(void)
MOZ_Assert(const char* s, const char* file, int ln)
{
#ifdef ANDROID
__android_log_print(ANDROID_LOG_FATAL, "MOZ_Assert",
"Assertion failure: %s, at %s:%d\n", s, file, ln);
#else
fprintf(stderr, "Assertion failure: %s, at %s:%d\n", s, file, ln);
fflush(stderr);
#endif
MOZ_Crash();
MOZ_OutputAssertMessage(s, file, ln);
MOZ_CRASH();
}
}