arch/um/kernel/skas/syscall_kern.c

   1 /*
   2  * Copyright (C) 2002 - 2003 Jeff Dike (jdike@addtoit.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include "linux/sys.h"
   7 #include "linux/ptrace.h"
   8 #include "asm/errno.h"
   9 #include "asm/unistd.h"
  10 #include "asm/ptrace.h"
  11 #include "asm/current.h"
  12 #include "sysdep/syscalls.h"
  13 #include "kern_util.h"
  14
  15 extern syscall_handler_t *sys_call_table[];
  16
  17 long execute_syscall_skas(void *r)
  18 {
  19         struct pt_regs *regs = r;
  20         long res;
  21         int syscall;
  22
  23         current->thread.nsyscalls++;
  24         nsyscalls++;
  25         syscall = UPT_SYSCALL_NR(&regs->regs);
  26
  27         if((syscall >= NR_syscalls) || (syscall < 0))
  28                 res = -ENOSYS;
  29         else res = EXECUTE_SYSCALL(syscall, regs);
  30
  31         return(res);
  32 }
  33
  34 /*
  35  * Overrides for Emacs so that we follow Linus's tabbing style.
  36  * Emacs will notice this stuff at the end of the file and automatically
  37  * adjust the settings for this buffer only.  This must remain at the end
  38  * of the file.
  39  * ---------------------------------------------------------------------------
  40  * Local variables:
  41  * c-file-style: "linux"
  42  * End:
  43  */