arch/um/kernel/tt/syscall_kern.c

   1 /*
   2  * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/types.h"
   7 #include "linux/utime.h"
   8 #include "linux/sys.h"
   9 #include "linux/ptrace.h"
  10 #include "asm/unistd.h"
  11 #include "asm/ptrace.h"
  12 #include "asm/uaccess.h"
  13 #include "asm/stat.h"
  14 #include "sysdep/syscalls.h"
  15 #include "kern_util.h"
  16
  17 extern syscall_handler_t *sys_call_table[];
  18
  19 long execute_syscall_tt(void *r)
  20 {
  21         struct pt_regs *regs = r;
  22         long res;
  23         int syscall;
  24
  25 #ifdef CONFIG_SYSCALL_DEBUG
  26         current->thread.nsyscalls++;
  27         nsyscalls++;
  28 #endif
  29         syscall = UPT_SYSCALL_NR(&regs->regs);
  30
  31         if((syscall >= NR_syscalls) || (syscall < 0))
  32                 res = -ENOSYS;
  33         else res = EXECUTE_SYSCALL(syscall, regs);
  34
  35         return(res);
  36 }
  37
  38 /*
  39  * Overrides for Emacs so that we follow Linus's tabbing style.
  40  * Emacs will notice this stuff at the end of the file and automatically
  41  * adjust the settings for this buffer only.  This must remain at the end
  42  * of the file.
  43  * ---------------------------------------------------------------------------
  44  * Local variables:
  45  * c-file-style: "linux"
  46  * End:
  47  */