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/* Unwinder test program for signal frames.
Copyright 2007, 2008, 2009 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");
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