linux-user/safe-syscall.S

   1 /*
   2  * safe-syscall.S : include the host-specific assembly fragment
   3  * to handle signals occurring at the same time as system calls.
   4  *
   5  * Written by Peter Maydell <peter.maydell@linaro.org>
   6  *
   7  * Copyright (C) 2016 Linaro Limited
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "hostdep.h"
  14 #include "errno_defs.h"
  15
  16 /* We have the correct host directory on our include path
  17  * so that this will pull in the right fragment for the architecture.
  18  */
  19 #ifdef HAVE_SAFE_SYSCALL
  20 #include "safe-syscall.inc.S"
  21 #endif
  22
  23 /* We must specifically say that we're happy for the stack to not be
  24  * executable, otherwise the toolchain will default to assuming our
  25  * assembly needs an executable stack and the whole QEMU binary will
  26  * needlessly end up with one. This should be the last thing in this file.
  27  */
  28 #if defined(__linux__) && defined(__ELF__)
  29 .section        .note.GNU-stack, "", %progbits
  30 #endif