swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: 6d08b06e67cd117f6992c46611dfb4ce267cd71e authored by Linus Torvalds on 23 April 2018, 02:20:09 UTC
Linux 4.17-rc2
Tip revision: 6d08b06
compiler-clang.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_COMPILER_TYPES_H
#error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead."
#endif

/* Some compiler specific definitions are overwritten here
 * for Clang compiler
 */

#ifdef uninitialized_var
#undef uninitialized_var
#define uninitialized_var(x) x = *(&(x))
#endif

/* same as gcc, this was present in clang-2.6 so we can assume it works
 * with any version that can compile the kernel
 */
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)

/* all clang versions usable with the kernel support KASAN ABI version 5 */
#define KASAN_ABI_VERSION 5

/* emulate gcc's __SANITIZE_ADDRESS__ flag */
#if __has_feature(address_sanitizer)
#define __SANITIZE_ADDRESS__
#endif

#undef __no_sanitize_address
#define __no_sanitize_address __attribute__((no_sanitize("address")))

/* Clang doesn't have a way to turn it off per-function, yet. */
#ifdef __noretpoline
#undef __noretpoline
#endif
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