base/compiler_specific.h - Issue 2257323002: Disable CFI on a few src/cc methods for perf reasons.

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Unified Diff: base/compiler_specific.h

Issue 2257323002: Disable CFI on a few src/cc methods for perf reasons. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: sync Created 4 years, 4 months ago

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Index: base/compiler_specific.h

diff --git a/base/compiler_specific.h b/base/compiler_specific.h

index 17e1f688419a8b1b8c1d104c1f3fcd5b8ddf7566..f064be8d9d192735f96f5019286d139988a02950 100644

--- a/base/compiler_specific.h

+++ b/base/compiler_specific.h

@@ -169,6 +169,15 @@

#define MSAN_CHECK_MEM_IS_INITIALIZED(p, size)

#endif // MEMORY_SANITIZER

+// DISABLE_CFI_PERF -- Disable Control Flow Integrity for perf reasons.

+#if !defined(DISABLE_CFI_PERF)

+#if defined(__clang__)

+#define DISABLE_CFI_PERF __attribute__((no_sanitize("cfi")))

+#else

+#define DISABLE_CFI_PERF

+#endif

// Macro useful for writing cross-platform function pointers.

#if !defined(CDECL)

#if defined(OS_WIN)

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