LXR linux/arch/um/sys-x86_64/stub

   1/*
   2 * Copyright (C) 2004 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   3 * Licensed under the GPL
   4 */
   5
   6#include <signal.h>
   7#include "as-layout.h"
   8#include "sysdep/stub.h"
   9#include "sysdep/faultinfo.h"
  10#include "sysdep/sigcontext.h"
  11
  12void __attribute__ ((__section__ (".__syscall_stub")))
  13stub_segv_handler(int sig)
  14{
  15        struct ucontext *uc;
  16
  17        __asm__ __volatile__("movq %%rdx, %0" : "=g" (uc) :);
  18        GET_FAULTINFO_FROM_SC(*((struct faultinfo *) STUB_DATA),
  19                              &uc->uc_mcontext);
  20        trap_myself();
  21}
  22
  23