Merge branch 'linus' into tracing/blktrace

[linux-2.6-omap-h63xx.git] / include / linux / syscalls.h

diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index ca079c3d09e3233309bc6025343c7ac57dc8dd6a..f9f900cfd066f1ad19ac979dba0c48f2384b95e2 100644 (file)
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -66,6 +66,79 @@ struct old_linux_dirent;
 #include <linux/quota.h>
 #include <linux/key.h>
 
+#define __SC_DECL1(t1, a1)     t1 a1
+#define __SC_DECL2(t2, a2, ...) t2 a2, __SC_DECL1(__VA_ARGS__)
+#define __SC_DECL3(t3, a3, ...) t3 a3, __SC_DECL2(__VA_ARGS__)
+#define __SC_DECL4(t4, a4, ...) t4 a4, __SC_DECL3(__VA_ARGS__)
+#define __SC_DECL5(t5, a5, ...) t5 a5, __SC_DECL4(__VA_ARGS__)
+#define __SC_DECL6(t6, a6, ...) t6 a6, __SC_DECL5(__VA_ARGS__)
+
+#define __SC_LONG1(t1, a1)     long a1
+#define __SC_LONG2(t2, a2, ...) long a2, __SC_LONG1(__VA_ARGS__)
+#define __SC_LONG3(t3, a3, ...) long a3, __SC_LONG2(__VA_ARGS__)
+#define __SC_LONG4(t4, a4, ...) long a4, __SC_LONG3(__VA_ARGS__)
+#define __SC_LONG5(t5, a5, ...) long a5, __SC_LONG4(__VA_ARGS__)
+#define __SC_LONG6(t6, a6, ...) long a6, __SC_LONG5(__VA_ARGS__)
+
+#define __SC_CAST1(t1, a1)     (t1) a1
+#define __SC_CAST2(t2, a2, ...) (t2) a2, __SC_CAST1(__VA_ARGS__)
+#define __SC_CAST3(t3, a3, ...) (t3) a3, __SC_CAST2(__VA_ARGS__)
+#define __SC_CAST4(t4, a4, ...) (t4) a4, __SC_CAST3(__VA_ARGS__)
+#define __SC_CAST5(t5, a5, ...) (t5) a5, __SC_CAST4(__VA_ARGS__)
+#define __SC_CAST6(t6, a6, ...) (t6) a6, __SC_CAST5(__VA_ARGS__)
+
+#define __SC_TEST(type)                BUILD_BUG_ON(sizeof(type) > sizeof(long))
+#define __SC_TEST1(t1, a1)     __SC_TEST(t1)
+#define __SC_TEST2(t2, a2, ...)        __SC_TEST(t2); __SC_TEST1(__VA_ARGS__)
+#define __SC_TEST3(t3, a3, ...)        __SC_TEST(t3); __SC_TEST2(__VA_ARGS__)
+#define __SC_TEST4(t4, a4, ...)        __SC_TEST(t4); __SC_TEST3(__VA_ARGS__)
+#define __SC_TEST5(t5, a5, ...)        __SC_TEST(t5); __SC_TEST4(__VA_ARGS__)
+#define __SC_TEST6(t6, a6, ...)        __SC_TEST(t6); __SC_TEST5(__VA_ARGS__)
+
+#define SYSCALL_DEFINE0(name)     asmlinkage long sys_##name(void)
+#define SYSCALL_DEFINE1(name, ...) SYSCALL_DEFINEx(1, _##name, __VA_ARGS__)
+#define SYSCALL_DEFINE2(name, ...) SYSCALL_DEFINEx(2, _##name, __VA_ARGS__)
+#define SYSCALL_DEFINE3(name, ...) SYSCALL_DEFINEx(3, _##name, __VA_ARGS__)
+#define SYSCALL_DEFINE4(name, ...) SYSCALL_DEFINEx(4, _##name, __VA_ARGS__)
+#define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
+#define SYSCALL_DEFINE6(name, ...) SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
+
+#ifdef CONFIG_PPC64
+#define SYSCALL_ALIAS(alias, name)                                     \
+       asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n"      \
+            "\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
+#else
+#ifdef CONFIG_ALPHA
+#define SYSCALL_ALIAS(alias, name)                                     \
+       asm ( #alias " = " #name "\n\t.globl " #alias)
+#else
+#define SYSCALL_ALIAS(alias, name)                                     \
+       asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
+#endif
+#endif
+
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+
+#define SYSCALL_DEFINE(name) static inline long SYSC_##name
+#define SYSCALL_DEFINEx(x, name, ...)                                  \
+       asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__));           \
+       static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__));       \
+       asmlinkage long SyS##name(__SC_LONG##x(__VA_ARGS__))            \
+       {                                                               \
+               __SC_TEST##x(__VA_ARGS__);                              \
+               return (long) SYSC##name(__SC_CAST##x(__VA_ARGS__));    \
+       }                                                               \
+       SYSCALL_ALIAS(sys##name, SyS##name);                            \
+       static inline long SYSC##name(__SC_DECL##x(__VA_ARGS__))
+
+#else /* CONFIG_HAVE_SYSCALL_WRAPPERS */
+
+#define SYSCALL_DEFINE(name) asmlinkage long sys_##name
+#define SYSCALL_DEFINEx(x, name, ...)                                  \
+       asmlinkage long sys##name(__SC_DECL##x(__VA_ARGS__))
+
+#endif /* CONFIG_HAVE_SYSCALL_WRAPPERS */
+
 asmlinkage long sys_time(time_t __user *tloc);
 asmlinkage long sys_stime(time_t __user *tptr);
 asmlinkage long sys_gettimeofday(struct timeval __user *tv,
@@ -610,6 +683,14 @@ asmlinkage long sys_eventfd(unsigned int count);
 asmlinkage long sys_eventfd2(unsigned int count, int flags);
 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
 asmlinkage long sys_old_readdir(unsigned int, struct old_linux_dirent __user *, unsigned int);
+asmlinkage long sys_pselect6(int, fd_set __user *, fd_set __user *,
+                            fd_set __user *, struct timespec __user *,
+                            void __user *);
+asmlinkage long sys_ppoll(struct pollfd __user *, unsigned int,
+                         struct timespec __user *, const sigset_t __user *,
+                         size_t);
+asmlinkage long sys_pipe2(int __user *, int);
+asmlinkage long sys_pipe(int __user *);
 
 int kernel_execve(const char *filename, char *const argv[], char *const envp[]);