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Diffstat (limited to 'arch/xtensa/kernel/syscalls.c')
-rw-r--r--arch/xtensa/kernel/syscalls.c153
1 files changed, 2 insertions, 151 deletions
diff --git a/arch/xtensa/kernel/syscalls.c b/arch/xtensa/kernel/syscalls.c
index abc8ed6c702..f20c6494c51 100644
--- a/arch/xtensa/kernel/syscalls.c
+++ b/arch/xtensa/kernel/syscalls.c
@@ -42,12 +42,9 @@
#include <asm/mman.h>
#include <asm/shmparam.h>
#include <asm/page.h>
-#include <asm/ipc.h>
extern void do_syscall_trace(void);
typedef int (*syscall_t)(void *a0,...);
-extern int (*do_syscalls)(struct pt_regs *regs, syscall_t fun,
- int narg);
extern syscall_t sys_call_table[];
extern unsigned char sys_narg_table[];
@@ -72,10 +69,8 @@ int sys_pipe(int __user *userfds)
/*
* Common code for old and new mmaps.
*/
-
-static inline long do_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
+long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
+ unsigned long flags, unsigned long fd, unsigned long pgoff)
{
int error = -EBADF;
struct file * file = NULL;
@@ -97,29 +92,6 @@ out:
return error;
}
-unsigned long old_mmap(unsigned long addr, size_t len, int prot,
- int flags, int fd, off_t offset)
-{
- return do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
-}
-
-long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
- unsigned long flags, unsigned long fd, unsigned long pgoff)
-{
- return do_mmap2(addr, len, prot, flags, fd, pgoff);
-}
-
-int sys_fork(struct pt_regs *regs)
-{
- return do_fork(SIGCHLD, regs->areg[1], regs, 0, NULL, NULL);
-}
-
-int sys_vfork(struct pt_regs *regs)
-{
- return do_fork(CLONE_VFORK|CLONE_VM|SIGCHLD, regs->areg[1],
- regs, 0, NULL, NULL);
-}
-
int sys_clone(struct pt_regs *regs)
{
unsigned long clone_flags;
@@ -162,30 +134,6 @@ int sys_uname(struct old_utsname * name)
return -EFAULT;
}
-int sys_olduname(struct oldold_utsname * name)
-{
- int error;
-
- if (!name)
- return -EFAULT;
- if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
- return -EFAULT;
-
- error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
- error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
- error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
- error -= __put_user(0,name->release+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
- error -= __put_user(0,name->version+__OLD_UTS_LEN);
- error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
- error -= __put_user(0,name->machine+__OLD_UTS_LEN);
-
- return error ? -EFAULT : 0;
-}
-
-
/*
* Build the string table for the builtin "poor man's strace".
*/
@@ -319,100 +267,3 @@ void system_call (struct pt_regs *regs)
regs->areg[2] = res;
do_syscall_trace();
}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-
-int sys_ipc (uint call, int first, int second,
- int third, void __user *ptr, long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
- ret = -ENOSYS;
-
- switch (call) {
- case SEMOP:
- ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
- second, NULL);
- break;
-
- case SEMTIMEDOP:
- ret = sys_semtimedop (first, (struct sembuf __user *)ptr,
- second, (const struct timespec *) fifth);
- break;
-
- case SEMGET:
- ret = sys_semget (first, second, third);
- break;
-
- case SEMCTL: {
- union semun fourth;
-
- if (ptr && !get_user(fourth.__pad, (void *__user *) ptr))
- ret = sys_semctl (first, second, third, fourth);
- break;
- }
-
- case MSGSND:
- ret = sys_msgsnd (first, (struct msgbuf __user*) ptr,
- second, third);
- break;
-
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
-
- if (ptr && !copy_from_user(&tmp,
- (struct ipc_kludge *) ptr,
- sizeof (tmp)))
- ret = sys_msgrcv (first, tmp.msgp, second,
- tmp.msgtyp, third);
- break;
- }
-
- default:
- ret = sys_msgrcv (first, (struct msgbuf __user *) ptr,
- second, 0, third);
- break;
- }
- break;
-
- case MSGGET:
- ret = sys_msgget ((key_t) first, second);
- break;
-
- case MSGCTL:
- ret = sys_msgctl (first, second, (struct msqid_ds __user*) ptr);
- break;
-
- case SHMAT: {
- ulong raddr;
- ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-
- if (!ret)
- ret = put_user (raddr, (ulong __user *) third);
-
- break;
- }
-
- case SHMDT:
- ret = sys_shmdt ((char __user *)ptr);
- break;
-
- case SHMGET:
- ret = sys_shmget (first, second, third);
- break;
-
- case SHMCTL:
- ret = sys_shmctl (first, second, (struct shmid_ds __user*) ptr);
- break;
- }
- return ret;
-}
-