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Add NetBSD support in asan_errors.cc
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Authored by krytarowski on Aug 6 2017, 6:18 AM.

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Summary

Part of the code inspired by the original work on libsanitizer in GCC 5.4 by Christos Zoulas.

This revision is now accepted and ready to land.Aug 7 2017, 1:38 AM

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lib/

asan/

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	}			}

	static void MaybeDumpRegisters(void *context) {			static void MaybeDumpRegisters(void *context) {
	if (!flags()->dump_registers) return;			if (!flags()->dump_registers) return;
	SignalContext::DumpAllRegisters(context);			SignalContext::DumpAllRegisters(context);
	}			}

	static void MaybeReportNonExecRegion(uptr pc) {			static void MaybeReportNonExecRegion(uptr pc) {
	#if SANITIZER_FREEBSD \|\| SANITIZER_LINUX			#if SANITIZER_FREEBSD \|\| SANITIZER_LINUX \|\| SANITIZER_NETBSD
	MemoryMappingLayout proc_maps(/cache_enabled/ true);			MemoryMappingLayout proc_maps(/cache_enabled/ true);
	MemoryMappedSegment segment;			MemoryMappedSegment segment;
	while (proc_maps.Next(&segment)) {			while (proc_maps.Next(&segment)) {
	if (pc >= segment.start && pc < segment.end && !segment.IsExecutable())			if (pc >= segment.start && pc < segment.end && !segment.IsExecutable())
	Report("Hint: PC is at a non-executable region. Maybe a wild jump?\n");			Report("Hint: PC is at a non-executable region. Maybe a wild jump?\n");
	}			}
	#endif			#endif
	}			}
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