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-rw-r--r--include/linux/syscalls.h174
1 files changed, 122 insertions, 52 deletions
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 18d0a243a7b3..0eda02ff2414 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -54,6 +54,7 @@ struct compat_stat;
struct compat_timeval;
struct robust_list_head;
struct getcpu_cache;
+struct old_linux_dirent;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -65,6 +66,79 @@ struct getcpu_cache;
#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(...) SYSCALL_DEFINEx(1, __VA_ARGS__)
+#define SYSCALL_DEFINE2(...) SYSCALL_DEFINEx(2, __VA_ARGS__)
+#define SYSCALL_DEFINE3(...) SYSCALL_DEFINEx(3, __VA_ARGS__)
+#define SYSCALL_DEFINE4(...) SYSCALL_DEFINEx(4, __VA_ARGS__)
+#define SYSCALL_DEFINE5(...) SYSCALL_DEFINEx(5, __VA_ARGS__)
+#define SYSCALL_DEFINE6(...) SYSCALL_DEFINEx(6, __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,
@@ -77,7 +151,7 @@ asmlinkage long sys_times(struct tms __user *tbuf);
asmlinkage long sys_gettid(void);
asmlinkage long sys_nanosleep(struct timespec __user *rqtp, struct timespec __user *rmtp);
-asmlinkage unsigned long sys_alarm(unsigned int seconds);
+asmlinkage long sys_alarm(unsigned int seconds);
asmlinkage long sys_getpid(void);
asmlinkage long sys_getppid(void);
asmlinkage long sys_getuid(void);
@@ -166,7 +240,7 @@ asmlinkage long sys_kexec_load(unsigned long entry, unsigned long nr_segments,
unsigned long flags);
asmlinkage long sys_exit(int error_code);
-asmlinkage void sys_exit_group(int error_code);
+asmlinkage long sys_exit_group(int error_code);
asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
int options, struct rusage __user *ru);
asmlinkage long sys_waitid(int which, pid_t pid,
@@ -196,7 +270,7 @@ asmlinkage long sys_tkill(int pid, int sig);
asmlinkage long sys_rt_sigqueueinfo(int pid, int sig, siginfo_t __user *uinfo);
asmlinkage long sys_sgetmask(void);
asmlinkage long sys_ssetmask(int newmask);
-asmlinkage unsigned long sys_signal(int sig, __sighandler_t handler);
+asmlinkage long sys_signal(int sig, __sighandler_t handler);
asmlinkage long sys_pause(void);
asmlinkage long sys_sync(void);
@@ -246,29 +320,29 @@ asmlinkage long sys_lsetxattr(const char __user *path, const char __user *name,
const void __user *value, size_t size, int flags);
asmlinkage long sys_fsetxattr(int fd, const char __user *name,
const void __user *value, size_t size, int flags);
-asmlinkage ssize_t sys_getxattr(const char __user *path, const char __user *name,
- void __user *value, size_t size);
-asmlinkage ssize_t sys_lgetxattr(const char __user *path, const char __user *name,
- void __user *value, size_t size);
-asmlinkage ssize_t sys_fgetxattr(int fd, const char __user *name,
- void __user *value, size_t size);
-asmlinkage ssize_t sys_listxattr(const char __user *path, char __user *list,
- size_t size);
-asmlinkage ssize_t sys_llistxattr(const char __user *path, char __user *list,
- size_t size);
-asmlinkage ssize_t sys_flistxattr(int fd, char __user *list, size_t size);
+asmlinkage long sys_getxattr(const char __user *path, const char __user *name,
+ void __user *value, size_t size);
+asmlinkage long sys_lgetxattr(const char __user *path, const char __user *name,
+ void __user *value, size_t size);
+asmlinkage long sys_fgetxattr(int fd, const char __user *name,
+ void __user *value, size_t size);
+asmlinkage long sys_listxattr(const char __user *path, char __user *list,
+ size_t size);
+asmlinkage long sys_llistxattr(const char __user *path, char __user *list,
+ size_t size);
+asmlinkage long sys_flistxattr(int fd, char __user *list, size_t size);
asmlinkage long sys_removexattr(const char __user *path,
const char __user *name);
asmlinkage long sys_lremovexattr(const char __user *path,
const char __user *name);
asmlinkage long sys_fremovexattr(int fd, const char __user *name);
-asmlinkage unsigned long sys_brk(unsigned long brk);
+asmlinkage long sys_brk(unsigned long brk);
asmlinkage long sys_mprotect(unsigned long start, size_t len,
unsigned long prot);
-asmlinkage unsigned long sys_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, unsigned long new_addr);
+asmlinkage long sys_mremap(unsigned long addr,
+ unsigned long old_len, unsigned long new_len,
+ unsigned long flags, unsigned long new_addr);
asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
unsigned long prot, unsigned long pgoff,
unsigned long flags);
@@ -321,10 +395,10 @@ asmlinkage long sys_io_submit(aio_context_t, long,
struct iocb __user * __user *);
asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
struct io_event __user *result);
-asmlinkage ssize_t sys_sendfile(int out_fd, int in_fd,
- off_t __user *offset, size_t count);
-asmlinkage ssize_t sys_sendfile64(int out_fd, int in_fd,
- loff_t __user *offset, size_t count);
+asmlinkage long sys_sendfile(int out_fd, int in_fd,
+ off_t __user *offset, size_t count);
+asmlinkage long sys_sendfile64(int out_fd, int in_fd,
+ loff_t __user *offset, size_t count);
asmlinkage long sys_readlink(const char __user *path,
char __user *buf, int bufsiz);
asmlinkage long sys_creat(const char __user *pathname, int mode);
@@ -368,26 +442,25 @@ asmlinkage long sys_utime(char __user *filename,
struct utimbuf __user *times);
asmlinkage long sys_utimes(char __user *filename,
struct timeval __user *utimes);
-asmlinkage off_t sys_lseek(unsigned int fd, off_t offset,
- unsigned int origin);
+asmlinkage long sys_lseek(unsigned int fd, off_t offset,
+ unsigned int origin);
asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
unsigned long offset_low, loff_t __user *result,
unsigned int origin);
-asmlinkage ssize_t sys_read(unsigned int fd, char __user *buf,
- size_t count);
-asmlinkage ssize_t sys_readahead(int fd, loff_t offset, size_t count);
-asmlinkage ssize_t sys_readv(unsigned long fd,
- const struct iovec __user *vec,
- unsigned long vlen);
-asmlinkage ssize_t sys_write(unsigned int fd, const char __user *buf,
- size_t count);
-asmlinkage ssize_t sys_writev(unsigned long fd,
- const struct iovec __user *vec,
- unsigned long vlen);
-asmlinkage ssize_t sys_pread64(unsigned int fd, char __user *buf,
- size_t count, loff_t pos);
-asmlinkage ssize_t sys_pwrite64(unsigned int fd, const char __user *buf,
- size_t count, loff_t pos);
+asmlinkage long sys_read(unsigned int fd, char __user *buf, size_t count);
+asmlinkage long sys_readahead(int fd, loff_t offset, size_t count);
+asmlinkage long sys_readv(unsigned long fd,
+ const struct iovec __user *vec,
+ unsigned long vlen);
+asmlinkage long sys_write(unsigned int fd, const char __user *buf,
+ size_t count);
+asmlinkage long sys_writev(unsigned long fd,
+ const struct iovec __user *vec,
+ unsigned long vlen);
+asmlinkage long sys_pread64(unsigned int fd, char __user *buf,
+ size_t count, loff_t pos);
+asmlinkage long sys_pwrite64(unsigned int fd, const char __user *buf,
+ size_t count, loff_t pos);
asmlinkage long sys_getcwd(char __user *buf, unsigned long size);
asmlinkage long sys_mkdir(const char __user *pathname, int mode);
asmlinkage long sys_chdir(const char __user *filename);
@@ -476,7 +549,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
asmlinkage long sys_mq_unlink(const char __user *name);
asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec __user *abs_timeout);
-asmlinkage ssize_t sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout);
+asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout);
asmlinkage long sys_mq_notify(mqd_t mqdes, const struct sigevent __user *notification);
asmlinkage long sys_mq_getsetattr(mqd_t mqdes, const struct mq_attr __user *mqstat, struct mq_attr __user *omqstat);
@@ -530,11 +603,6 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages,
const int __user *nodes,
int __user *status,
int flags);
-asmlinkage long compat_sys_move_pages(pid_t pid, unsigned long nr_page,
- __u32 __user *pages,
- const int __user *nodes,
- int __user *status,
- int flags);
asmlinkage long sys_mbind(unsigned long start, unsigned long len,
unsigned long mode,
unsigned long __user *nmask,
@@ -583,13 +651,6 @@ asmlinkage long sys_readlinkat(int dfd, const char __user *path, char __user *bu
int bufsiz);
asmlinkage long sys_utimensat(int dfd, char __user *filename,
struct timespec __user *utimes, int flags);
-asmlinkage long compat_sys_futimesat(unsigned int dfd, char __user *filename,
- struct compat_timeval __user *t);
-asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename,
- struct compat_stat __user *statbuf,
- int flag);
-asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename,
- int flags, int mode);
asmlinkage long sys_unshare(unsigned long unshare_flags);
asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
@@ -621,6 +682,15 @@ asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
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[]);