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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.arch/] [i386-prologue.c] - Blame information for rev 157

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Line No. Rev Author Line
1 24 jeremybenn
/* Unwinder test program.
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   Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#ifdef SYMBOL_PREFIX
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#define SYMBOL(str)     SYMBOL_PREFIX #str
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#else
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#define SYMBOL(str)     #str
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#endif
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void gdb1253 (void);
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void gdb1718 (void);
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void gdb1338 (void);
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void jump_at_beginning (void);
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int
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main (void)
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{
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  standard ();
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  stack_align_ecx ();
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  stack_align_edx ();
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  stack_align_eax ();
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  gdb1253 ();
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  gdb1718 ();
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  gdb1338 ();
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  jump_at_beginning ();
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  return 0;
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}
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/* A normal prologue.  */
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (standard) ":\n"
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    "    pushl %ebp\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %edi\n"
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    "    int   $0x03\n"
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    "    leave\n"
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    "    ret\n");
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/* Relevant part of the prologue from symtab/1253.  */
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (gdb1253) ":\n"
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    "    pushl %ebp\n"
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    "    xorl  %ecx, %ecx\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %edi\n"
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    "    int   $0x03\n"
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    "    leave\n"
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    "    ret\n");
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/* Relevant part of the prologue from backtrace/1718.  */
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (gdb1718) ":\n"
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    "    pushl %ebp\n"
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    "    movl  $0x11111111, %eax\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %esi\n"
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    "    movl  $0x22222222, %esi\n"
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    "    pushl %ebx\n"
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    "    int   $0x03\n"
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    "    leave\n"
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    "    ret\n");
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/* Relevant part of the prologue from backtrace/1338.  */
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (gdb1338) ":\n"
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    "    pushl %edi\n"
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    "    pushl %esi\n"
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    "    pushl %ebx\n"
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    "    int   $0x03\n"
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    "    popl  %ebx\n"
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    "    popl  %esi\n"
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    "    popl  %edi\n"
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    "    ret\n");
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/* The purpose of this function is to verify that, during prologue
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   skip, GDB does not follow a jump at the beginnning of the "real"
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   code.  */
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (jump_at_beginning) ":\n"
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    "    pushl %ebp\n"
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    "    movl  %esp,%ebp\n"
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    "    jmp   .gdbjump\n"
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    "    nop\n"
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    ".gdbjump:\n"
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    "    movl  %ebp,%esp\n"
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    "    popl  %ebp\n"
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    "    ret\n");
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (stack_align_ecx) ":\n"
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    "    leal  4(%esp), %ecx\n"
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    "    andl  $-16, %esp\n"
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    "    pushl -4(%ecx)\n"
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    "    pushl %ebp\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %edi\n"
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    "    pushl %ecx\n"
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    "    int   $0x03\n"
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    "    popl  %ecx\n"
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    "    popl  %edi\n"
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    "    popl  %ebp\n"
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    "    leal  -4(%ecx), %esp\n"
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    "    ret\n");
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (stack_align_edx) ":\n"
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    "    leal  4(%esp), %edx\n"
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    "    andl  $-16, %esp\n"
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    "    pushl -4(%edx)\n"
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    "    pushl %ebp\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %edi\n"
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    "    pushl %ecx\n"
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    "    int   $0x03\n"
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    "    popl  %ecx\n"
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    "    popl  %edi\n"
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    "    popl  %ebp\n"
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    "    leal  -4(%edx), %esp\n"
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    "    ret\n");
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asm(".text\n"
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    "    .align 8\n"
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    SYMBOL (stack_align_eax) ":\n"
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    "    leal  4(%esp), %eax\n"
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    "    andl  $-16, %esp\n"
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    "    pushl -4(%eax)\n"
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    "    pushl %ebp\n"
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    "    movl  %esp, %ebp\n"
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    "    pushl %edi\n"
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    "    pushl %ecx\n"
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    "    int   $0x03\n"
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    "    popl  %ecx\n"
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    "    popl  %edi\n"
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    "    popl  %ebp\n"
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    "    leal  -4(%eax), %esp\n"
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    "    ret\n");
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