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[scudo] Add some logs for Android
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Authored by cryptoad on Jul 3 2018, 3:37 PM.

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Summary

Namely, set the abort message, and allow to write the message to syslog if the
option is enabled.

Updated the sequence.

This revision is now accepted and ready to land.Jul 5 2018, 4:03 PM

This revision was automatically updated to reflect the committed changes.

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Size

compiler-rt/

trunk/

lib/

scudo/

3 lines

Show First 20 Lines • Show All 44 Lines • ▼ Show 20 Lines	FORMAT(1, 2) void NORETURN dieWithMessage(const char *Format, ...) {
static constexpr uptr PrefixSize = sizeof(ScudoError) - 1;		static constexpr uptr PrefixSize = sizeof(ScudoError) - 1;
// Our messages are tiny, 256 characters is more than enough.		// Our messages are tiny, 256 characters is more than enough.
char Message[256];		char Message[256];
va_list Args;		va_list Args;
va_start(Args, Format);		va_start(Args, Format);
internal_memcpy(Message, ScudoError, PrefixSize);		internal_memcpy(Message, ScudoError, PrefixSize);
VSNPrintf(Message + PrefixSize, sizeof(Message) - PrefixSize, Format, Args);		VSNPrintf(Message + PrefixSize, sizeof(Message) - PrefixSize, Format, Args);
va_end(Args);		va_end(Args);
		LogMessageOnPrintf(Message);
		if (common_flags()->abort_on_error)
		SetAbortMessage(Message);
RawWrite(Message);		RawWrite(Message);
Die();		Die();
}		}

#if defined(__x86_64__) \|\| defined(__i386__)		#if defined(__x86_64__) \|\| defined(__i386__)
// i386 and x86_64 specific code to detect CRC32 hardware support via CPUID.		// i386 and x86_64 specific code to detect CRC32 hardware support via CPUID.
// CRC32 requires the SSE 4.2 instruction set.		// CRC32 requires the SSE 4.2 instruction set.
# ifndef bit_SSE4_2		# ifndef bit_SSE4_2
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