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-rw-r--r--include/linux/syscalls.h33
1 files changed, 19 insertions, 14 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 16875f89e6a7..f9f900cfd066 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -95,42 +95,47 @@ struct old_linux_dirent;
95#define __SC_TEST5(t5, a5, ...) __SC_TEST(t5); __SC_TEST4(__VA_ARGS__) 95#define __SC_TEST5(t5, a5, ...) __SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
96#define __SC_TEST6(t6, a6, ...) __SC_TEST(t6); __SC_TEST5(__VA_ARGS__) 96#define __SC_TEST6(t6, a6, ...) __SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
97 97
98#define SYSCALL_DEFINE0(name) asmlinkage long sys_##name(void) 98#define SYSCALL_DEFINE0(name) asmlinkage long sys_##name(void)
99#define SYSCALL_DEFINE1(...) SYSCALL_DEFINEx(1, __VA_ARGS__) 99#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
100#define SYSCALL_DEFINE2(...) SYSCALL_DEFINEx(2, __VA_ARGS__) 100#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
101#define SYSCALL_DEFINE3(...) SYSCALL_DEFINEx(3, __VA_ARGS__) 101#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
102#define SYSCALL_DEFINE4(...) SYSCALL_DEFINEx(4, __VA_ARGS__) 102#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
103#define SYSCALL_DEFINE5(...) SYSCALL_DEFINEx(5, __VA_ARGS__) 103#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
104#define SYSCALL_DEFINE6(...) SYSCALL_DEFINEx(6, __VA_ARGS__) 104#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
105 105
106#ifdef CONFIG_PPC64 106#ifdef CONFIG_PPC64
107#define SYSCALL_ALIAS(alias, name) \ 107#define SYSCALL_ALIAS(alias, name) \
108 asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \ 108 asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \
109 "\t.globl ." #alias "\n\t.set ." #alias ", ." #name) 109 "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
110#else 110#else
111#ifdef CONFIG_ALPHA
112#define SYSCALL_ALIAS(alias, name) \
113 asm ( #alias " = " #name "\n\t.globl " #alias)
114#else
111#define SYSCALL_ALIAS(alias, name) \ 115#define SYSCALL_ALIAS(alias, name) \
112 asm ("\t.globl " #alias "\n\t.set " #alias ", " #name) 116 asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
113#endif 117#endif
118#endif
114 119
115#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS 120#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
116 121
117#define SYSCALL_DEFINE(name) static inline long SYSC_##name 122#define SYSCALL_DEFINE(name) static inline long SYSC_##name
118#define SYSCALL_DEFINEx(x, name, ...) \ 123#define SYSCALL_DEFINEx(x, name, ...) \
119 asmlinkage long sys_##name(__SC_DECL##x(__VA_ARGS__)); \ 124 asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__)); \
120 static inline long SYSC_##name(__SC_DECL##x(__VA_ARGS__)); \ 125 static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__)); \
121 asmlinkage long SyS_##name(__SC_LONG##x(__VA_ARGS__)) \ 126 asmlinkage long SyS##name(__SC_LONG##x(__VA_ARGS__)) \
122 { \ 127 { \
123 __SC_TEST##x(__VA_ARGS__); \ 128 __SC_TEST##x(__VA_ARGS__); \
124 return (long) SYSC_##name(__SC_CAST##x(__VA_ARGS__)); \ 129 return (long) SYSC##name(__SC_CAST##x(__VA_ARGS__)); \
125 } \ 130 } \
126 SYSCALL_ALIAS(sys_##name, SyS_##name); \ 131 SYSCALL_ALIAS(sys##name, SyS##name); \
127 static inline long SYSC_##name(__SC_DECL##x(__VA_ARGS__)) 132 static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__))
128 133
129#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 134#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */
130 135
131#define SYSCALL_DEFINE(name) asmlinkage long sys_##name 136#define SYSCALL_DEFINE(name) asmlinkage long sys_##name
132#define SYSCALL_DEFINEx(x, name, ...) \ 137#define SYSCALL_DEFINEx(x, name, ...) \
133 asmlinkage long sys_##name(__SC_DECL##x(__VA_ARGS__)) 138 asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__))
134 139
135#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */ 140#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */
136 141