| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Will Deacon | d151558 | 2017-10-24 11:22:46 +0100 | [diff] [blame] | 2 | #ifndef __LINUX_COMPILER_TYPES_H |
| Mark Charlebois | 565cbdc | 2012-11-20 22:13:10 +0100 | [diff] [blame] | 3 | #error "Please don't include <linux/compiler-clang.h> directly, include <linux/compiler.h> instead." |
| 4 | #endif |
| 5 | |
| 6 | /* Some compiler specific definitions are overwritten here |
| 7 | * for Clang compiler |
| 8 | */ |
| 9 | |
| 10 | #ifdef uninitialized_var |
| 11 | #undef uninitialized_var |
| 12 | #define uninitialized_var(x) x = *(&(x)) |
| 13 | #endif |
| Arnd Bergmann | b41c29b | 2016-02-08 15:38:32 +0100 | [diff] [blame] | 14 | |
| 15 | /* same as gcc, this was present in clang-2.6 so we can assume it works |
| 16 | * with any version that can compile the kernel |
| 17 | */ |
| 18 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |
| Sandipan Das | 4ca59b1 | 2017-11-17 15:27:28 -0800 | [diff] [blame] | 19 | |
| Paul Lawrence | 53a98ed | 2018-02-06 15:36:03 -0800 | [diff] [blame] | 20 | /* all clang versions usable with the kernel support KASAN ABI version 5 */ |
| 21 | #define KASAN_ABI_VERSION 5 |
| 22 | |
| 23 | /* emulate gcc's __SANITIZE_ADDRESS__ flag */ |
| 24 | #if __has_feature(address_sanitizer) |
| 25 | #define __SANITIZE_ADDRESS__ |
| 26 | #endif |
| David Woodhouse | 8735871 | 2018-02-19 10:50:57 +0000 | [diff] [blame] | 27 | |
| Andrey Konovalov | 12c8f25 | 2018-04-20 14:55:52 -0700 | [diff] [blame] | 28 | #undef __no_sanitize_address |
| 29 | #define __no_sanitize_address __attribute__((no_sanitize("address"))) |
| 30 | |
| David Woodhouse | 8735871 | 2018-02-19 10:50:57 +0000 | [diff] [blame] | 31 | /* Clang doesn't have a way to turn it off per-function, yet. */ |
| 32 | #ifdef __noretpoline |
| 33 | #undef __noretpoline |
| 34 | #endif |