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-rw-r--r--include/linux/compiler-gcc4.h36
1 files changed, 18 insertions, 18 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 662fd1b4c42a..68b162d92254 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -4,7 +4,7 @@
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
10#endif 10#endif
@@ -13,7 +13,11 @@
13#define __must_check __attribute__((warn_unused_result)) 13#define __must_check __attribute__((warn_unused_result))
14#define __compiler_offsetof(a,b) __builtin_offsetof(a,b) 14#define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
15 15
16#if __GNUC_MINOR__ >= 3 16#if GCC_VERSION >= 40100
17# define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
18#endif
19
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
19 are unnecessary now for any paths leading to the usual suspects 23 are unnecessary now for any paths leading to the usual suspects
@@ -29,11 +33,15 @@
29 the kernel context */ 33 the kernel context */
30#define __cold __attribute__((__cold__)) 34#define __cold __attribute__((__cold__))
31 35
32#define __linktime_error(message) __attribute__((__error__(message)))
33
34#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) 36#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
35 37
36#if __GNUC_MINOR__ >= 5 38#ifndef __CHECKER__
39# define __compiletime_warning(message) __attribute__((warning(message)))
40# define __compiletime_error(message) __attribute__((error(message)))
41#endif /* __CHECKER__ */
42#endif /* GCC_VERSION >= 40300 */
43
44#if GCC_VERSION >= 40500
37/* 45/*
38 * 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
39 * suppress control flow warnings after asm blocks that transfer 47 * suppress control flow warnings after asm blocks that transfer
@@ -48,30 +56,22 @@
48/* Mark a function definition as prohibited from being cloned. */ 56/* Mark a function definition as prohibited from being cloned. */
49#define __noclone __attribute__((__noclone__)) 57#define __noclone __attribute__((__noclone__))
50 58
51#endif 59#endif /* GCC_VERSION >= 40500 */
52#endif
53 60
54#if __GNUC_MINOR__ >= 6 61#if GCC_VERSION >= 40600
55/* 62/*
56 * Tell the optimizer that something else uses this function or variable. 63 * Tell the optimizer that something else uses this function or variable.
57 */ 64 */
58#define __visible __attribute__((externally_visible)) 65#define __visible __attribute__((externally_visible))
59#endif 66#endif
60 67
61#if __GNUC_MINOR__ > 0
62#define __compiletime_object_size(obj) __builtin_object_size(obj, 0)
63#endif
64#if __GNUC_MINOR__ >= 3 && !defined(__CHECKER__)
65#define __compiletime_warning(message) __attribute__((warning(message)))
66#define __compiletime_error(message) __attribute__((error(message)))
67#endif
68 68
69#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP 69#ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP
70#if __GNUC_MINOR__ >= 4 70#if GCC_VERSION >= 40400
71#define __HAVE_BUILTIN_BSWAP32__ 71#define __HAVE_BUILTIN_BSWAP32__
72#define __HAVE_BUILTIN_BSWAP64__ 72#define __HAVE_BUILTIN_BSWAP64__
73#endif 73#endif
74#if __GNUC_MINOR__ >= 8 || (defined(__powerpc__) && __GNUC_MINOR__ >= 6) 74#if GCC_VERSION >= 40800 || (defined(__powerpc__) && GCC_VERSION >= 40600)
75#define __HAVE_BUILTIN_BSWAP16__ 75#define __HAVE_BUILTIN_BSWAP16__
76#endif 76#endif
77#endif 77#endif /* CONFIG_ARCH_USE_BUILTIN_BSWAP */