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2 | #error "Please don't include |
2 | #error "Please don't include |
3 | #endif |
3 | #endif |
Line 4... | Line 4... | ||
4 | 4 | ||
5 | /* GCC 4.1.[01] miscompiles __weak */ |
5 | /* GCC 4.1.[01] miscompiles __weak */ |
6 | #ifdef __KERNEL__ |
6 | #ifdef __KERNEL__ |
7 | # if __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ <= 1 |
7 | # if GCC_VERSION >= 40100 && GCC_VERSION <= 40101 |
8 | # error Your version of gcc miscompiles the __weak directive |
8 | # error Your version of gcc miscompiles the __weak directive |
9 | # endif |
9 | # endif |
Line 10... | Line 10... | ||
10 | #endif |
10 | #endif |
11 | 11 | ||
12 | #define __used __attribute__((__used__)) |
12 | #define __used __attribute__((__used__)) |
Line -... | Line 13... | ||
- | 13 | #define __must_check __attribute__((warn_unused_result)) |
|
- | 14 | #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) |
|
- | 15 | ||
- | 16 | #if GCC_VERSION >= 40100 |
|
13 | #define __must_check __attribute__((warn_unused_result)) |
17 | # define __compiletime_object_size(obj) __builtin_object_size(obj, 0) |
14 | #define __compiler_offsetof(a,b) __builtin_offsetof(a,b) |
18 | #endif |
15 | 19 | ||
16 | #if __GNUC_MINOR__ >= 3 |
20 | #if GCC_VERSION >= 40300 |
17 | /* Mark functions as cold. gcc will assume any path leading to a call |
21 | /* Mark functions as cold. gcc will assume any path leading to a call |
18 | to them will be unlikely. This means a lot of manual unlikely()s |
22 | to them will be unlikely. This means a lot of manual unlikely()s |
Line 27... | Line 31... | ||
27 | gcc also has a __attribute__((__hot__)) to move hot functions into |
31 | gcc also has a __attribute__((__hot__)) to move hot functions into |
28 | a special section, but I don't see any sense in this right now in |
32 | a special section, but I don't see any sense in this right now in |
29 | the kernel context */ |
33 | the kernel context */ |
30 | #define __cold __attribute__((__cold__)) |
34 | #define __cold __attribute__((__cold__)) |
Line 31... | Line 35... | ||
31 | 35 | ||
Line -... | Line 36... | ||
- | 36 | #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) |
|
- | 37 | ||
- | 38 | #ifndef __CHECKER__ |
|
- | 39 | # define __compiletime_warning(message) __attribute__((warning(message))) |
|
- | 40 | # define __compiletime_error(message) __attribute__((error(message))) |
|
- | 41 | #endif /* __CHECKER__ */ |
|
32 | #define __linktime_error(message) __attribute__((__error__(message))) |
42 | #endif /* GCC_VERSION >= 40300 */ |
33 | 43 | ||
34 | #if __GNUC_MINOR__ >= 5 |
44 | #if GCC_VERSION >= 40500 |
35 | /* |
45 | /* |
36 | * Mark a position in code as unreachable. This can be used to |
46 | * Mark a position in code as unreachable. This can be used to |
37 | * suppress control flow warnings after asm blocks that transfer |
47 | * suppress control flow warnings after asm blocks that transfer |
Line 44... | Line 54... | ||
44 | #define unreachable() __builtin_unreachable() |
54 | #define unreachable() __builtin_unreachable() |
Line 45... | Line 55... | ||
45 | 55 | ||
46 | /* Mark a function definition as prohibited from being cloned. */ |
56 | /* Mark a function definition as prohibited from being cloned. */ |
Line 47... | Line -... | ||
47 | #define __noclone __attribute__((__noclone__)) |
- | |
48 | 57 | #define __noclone __attribute__((__noclone__)) |
|
Line 49... | Line 58... | ||
49 | #endif |
58 | |
50 | #endif |
59 | #endif /* GCC_VERSION >= 40500 */ |
51 | 60 | ||
52 | #if __GNUC_MINOR__ >= 6 |
61 | #if GCC_VERSION >= 40600 |
53 | /* |
62 | /* |
54 | * Tell the optimizer that something else uses this function or variable. |
63 | * Tell the optimizer that something else uses this function or variable. |
Line 55... | Line -... | ||
55 | */ |
- | |
56 | #define __visible __attribute__((externally_visible)) |
- | |
57 | #endif |
- | |
58 | - | ||
59 | #if __GNUC_MINOR__ > 0 |
- | |
60 | #define __compiletime_object_size(obj) __builtin_object_size(obj, 0) |
- | |
61 | #endif |
- | |
Line 62... | Line 64... | ||
62 | #if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__) |
64 | */ |
63 | #define __compiletime_warning(message) __attribute__((warning(message))) |
65 | #define __visible __attribute__((externally_visible)) |
64 | #define __compiletime_error(message) __attribute__((error(message))) |
66 | #endif |
65 | #endif |
67 | |
66 | 68 | ||
67 | #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |
69 | #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP |
68 | #if __GNUC_MINOR__ >= 4 |
70 | #if GCC_VERSION >= 40400 |
69 | #define __HAVE_BUILTIN_BSWAP32__ |
71 | #define __HAVE_BUILTIN_BSWAP32__ |
70 | #define __HAVE_BUILTIN_BSWAP64__ |
72 | #define __HAVE_BUILTIN_BSWAP64__ |