gnu/dist/gdb6/gdb/testsuite/gdb.arch/i386-unwind.c

   1 /* Unwinder test program.
   2
   3    Copyright 2003, 2004 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #ifdef SYMBOL_PREFIX
  23 #define SYMBOL(str)     SYMBOL_PREFIX #str
  24 #else
  25 #define SYMBOL(str)     #str
  26 #endif
  27
  28 void
  29 trap (void)
  30 {
  31   asm ("int $0x03");
  32 }
  33
  34 /* Make sure that main directly follows a function without an
  35    epilogue.  */
  36
  37 asm(".text\n"
  38     "    .align 8\n"
  39     "    .globl gdb1435\n"
  40     "gdb1435:\n"
  41     "    pushl %ebp\n"
  42     "    mov   %esp, %ebp\n"
  43     "    call  " SYMBOL (trap) "\n"
  44     "    .globl " SYMBOL (main) "\n"
  45     SYMBOL (main) ":\n"
  46     "    pushl %ebp\n"
  47     "    mov   %esp, %ebp\n"
  48     "    call  gdb1435\n");