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/* Unwinder test program for signal frames.

   Copyright 2007, 2008 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

void sigframe (void);

void setup (void);

void

func (void)

{

}

int

main (void)

{

  setup ();

}

/* Create an imitation signal frame.  This will work on any x86 or

   x86-64 target which uses a version of GAS recent enough for

   .cfi_signal_frame (added 2006-02-27 and included in binutils 2.17).

   The default CIE created by gas suffices to unwind from an empty

   function.  */

asm(".text\n"

    "    .align 8\n"

    "    .globl setup\n"

    "setup:\n"

    "    push $sigframe\n"

    "    jmp func\n"

    "\n"

    "    .cfi_startproc\n"

    "    .cfi_signal_frame\n"

    "    nop\n"

    "    .globl sigframe\n"

    "sigframe:\n"

    "    ret\n"

    "    .cfi_endproc");