1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef __LINUX_COMPILER_TYPES_H |
3 | #define __LINUX_COMPILER_TYPES_H |
4 | |
5 | /* Builtins */ |
6 | |
7 | /* |
8 | * __has_builtin is supported on gcc >= 10, clang >= 3 and icc >= 21. |
9 | * In the meantime, to support gcc < 10, we implement __has_builtin |
10 | * by hand. |
11 | */ |
12 | #ifndef __has_builtin |
13 | #define __has_builtin(x) (0) |
14 | #endif |
15 | |
16 | #ifdef __CHECKER__ |
17 | /* context/locking */ |
18 | # define __must_hold(x) __attribute__((context(x,1,1))) |
19 | # define __acquires(x) __attribute__((context(x,0,1))) |
20 | # define __releases(x) __attribute__((context(x,1,0))) |
21 | # define __acquire(x) __context__(x,1) |
22 | # define __release(x) __context__(x,-1) |
23 | # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) |
24 | #else /* __CHECKER__ */ |
25 | /* context/locking */ |
26 | # define __must_hold(x) |
27 | # define __acquires(x) |
28 | # define __releases(x) |
29 | # define __acquire(x) (void)0 |
30 | # define __release(x) (void)0 |
31 | # define __cond_lock(x,c) (c) |
32 | #endif /* __CHECKER__ */ |
33 | |
34 | /* Compiler specific macros. */ |
35 | #ifdef __GNUC__ |
36 | #include <linux/compiler-gcc.h> |
37 | #endif |
38 | |
39 | #ifndef asm_goto_output |
40 | #define asm_goto_output(x...) asm goto(x) |
41 | #endif |
42 | |
43 | #endif /* __LINUX_COMPILER_TYPES_H */ |
44 | |