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Diffstat (limited to 'arch/tile/include/asm/syscalls.h')
-rw-r--r--arch/tile/include/asm/syscalls.h81
1 files changed, 19 insertions, 62 deletions
diff --git a/arch/tile/include/asm/syscalls.h b/arch/tile/include/asm/syscalls.h
index ce99ffefeac..07b298450ef 100644
--- a/arch/tile/include/asm/syscalls.h
+++ b/arch/tile/include/asm/syscalls.h
@@ -24,16 +24,11 @@
#include <linux/types.h>
#include <linux/compat.h>
-/* The array of function pointers for syscalls. */
-extern void *sys_call_table[];
-#ifdef CONFIG_COMPAT
-extern void *compat_sys_call_table[];
-#endif
-
/*
* Note that by convention, any syscall which requires the current
- * register set takes an additional "struct pt_regs *" pointer; the
- * sys_xxx() function just adds the pointer and tail-calls to _sys_xxx().
+ * register set takes an additional "struct pt_regs *" pointer; a
+ * _sys_xxx() trampoline in intvec*.S just sets up the pointer and
+ * jumps to sys_xxx().
*/
/* kernel/sys.c */
@@ -42,67 +37,18 @@ long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
u32 len, int advice);
int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
u32 len_lo, u32 len_hi, int advice);
-long sys_flush_cache(void);
-long sys_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff);
-#ifdef __tilegx__
-long sys_mmap(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, off_t pgoff);
+long sys_cacheflush(unsigned long addr, unsigned long len,
+ unsigned long flags);
+#ifndef __tilegx__ /* No mmap() in the 32-bit kernel. */
+#define sys_mmap sys_mmap
#endif
-/* kernel/process.c */
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
- void __user *parent_tid, void __user *child_tid);
-long _sys_clone(unsigned long clone_flags, unsigned long newsp,
- void __user *parent_tid, void __user *child_tid,
- struct pt_regs *regs);
-long sys_fork(void);
-long _sys_fork(struct pt_regs *regs);
-long sys_vfork(void);
-long _sys_vfork(struct pt_regs *regs);
-long sys_execve(const char __user *filename,
- const char __user *const __user *argv,
- const char __user *const __user *envp);
-long _sys_execve(const char __user *filename,
- const char __user *const __user *argv,
- const char __user *const __user *envp, struct pt_regs *regs);
-
-/* kernel/signal.c */
-long sys_sigaltstack(const stack_t __user *, stack_t __user *);
-long _sys_sigaltstack(const stack_t __user *, stack_t __user *,
- struct pt_regs *);
-long sys_rt_sigreturn(void);
-long _sys_rt_sigreturn(struct pt_regs *regs);
-
-/* platform-independent functions */
-long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
-long sys_rt_sigaction(int sig, const struct sigaction __user *act,
- struct sigaction __user *oact, size_t sigsetsize);
-
#ifndef __tilegx__
/* mm/fault.c */
-int sys_cmpxchg_badaddr(unsigned long address);
-int _sys_cmpxchg_badaddr(unsigned long address, struct pt_regs *);
+long sys_cmpxchg_badaddr(unsigned long address);
#endif
#ifdef CONFIG_COMPAT
-long compat_sys_execve(const char __user *path,
- const compat_uptr_t __user *argv,
- const compat_uptr_t __user *envp);
-long _compat_sys_execve(const char __user *path,
- const compat_uptr_t __user *argv,
- const compat_uptr_t __user *envp,
- struct pt_regs *regs);
-long compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
- struct compat_sigaltstack __user *uoss_ptr);
-long _compat_sys_sigaltstack(const struct compat_sigaltstack __user *uss_ptr,
- struct compat_sigaltstack __user *uoss_ptr,
- struct pt_regs *regs);
-long compat_sys_rt_sigreturn(void);
-long _compat_sys_rt_sigreturn(struct pt_regs *regs);
-
/* These four are not defined for 64-bit, but serve as "compat" syscalls. */
long sys_fcntl64(unsigned int fd, unsigned int cmd, unsigned long arg);
long sys_fstat64(unsigned long fd, struct stat64 __user *statbuf);
@@ -110,4 +56,15 @@ long sys_truncate64(const char __user *path, loff_t length);
long sys_ftruncate64(unsigned int fd, loff_t length);
#endif
+/* Provide versions of standard syscalls that use current_pt_regs(). */
+long sys_rt_sigreturn(void);
+#define sys_rt_sigreturn sys_rt_sigreturn
+
+/* These are the intvec*.S trampolines. */
+long _sys_rt_sigreturn(void);
+long _sys_clone(unsigned long clone_flags, unsigned long newsp,
+ void __user *parent_tid, void __user *child_tid);
+
+#include <asm-generic/syscalls.h>
+
#endif /* _ASM_TILE_SYSCALLS_H */