arch/um/kernel/skas/syscall_user.c

   1 /*
   2  * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #include <stdlib.h>
   7 #include <signal.h>
   8 #include "kern_util.h"
   9 #include "uml-config.h"
  10 #include "syscall_user.h"
  11 #include "sysdep/ptrace.h"
  12 #include "sysdep/sigcontext.h"
  13 #include "skas.h"
  14
  15 void handle_syscall(union uml_pt_regs *regs)
  16 {
  17         long result;
  18 #if UML_CONFIG_SYSCALL_DEBUG
  19         int index;
  20
  21         index = record_syscall_start(UPT_SYSCALL_NR(regs));
  22 #endif
  23
  24         syscall_trace(regs, 0);
  25         result = execute_syscall_skas(regs);
  26
  27         REGS_SET_SYSCALL_RETURN(regs->skas.regs, result);
  28
  29         syscall_trace(regs, 1);
  30 #if UML_CONFIG_SYSCALL_DEBUG
  31         record_syscall_end(index, result);
  32 #endif
  33 }
  34
  35 /*
  36  * Overrides for Emacs so that we follow Linus's tabbing style.
  37  * Emacs will notice this stuff at the end of the file and automatically
  38  * adjust the settings for this buffer only.  This must remain at the end
  39  * of the file.
  40  * ---------------------------------------------------------------------------
  41  * Local variables:
  42  * c-file-style: "linux"
  43  * End:
  44  */