166 lines
3.8 KiB
C
166 lines
3.8 KiB
C
/* Unwinder test program.
|
|
|
|
Copyright (C) 2003-2015 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/>. */
|
|
|
|
#ifdef SYMBOL_PREFIX
|
|
#define SYMBOL(str) SYMBOL_PREFIX #str
|
|
#else
|
|
#define SYMBOL(str) #str
|
|
#endif
|
|
|
|
void gdb1253 (void);
|
|
void gdb1718 (void);
|
|
void gdb1338 (void);
|
|
void jump_at_beginning (void);
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
standard ();
|
|
stack_align_ecx ();
|
|
stack_align_edx ();
|
|
stack_align_eax ();
|
|
gdb1253 ();
|
|
gdb1718 ();
|
|
gdb1338 ();
|
|
jump_at_beginning ();
|
|
return 0;
|
|
}
|
|
|
|
/* A normal prologue. */
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (standard) ":\n"
|
|
" pushl %ebp\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %edi\n"
|
|
" int $0x03\n"
|
|
" leave\n"
|
|
" ret\n");
|
|
|
|
/* Relevant part of the prologue from symtab/1253. */
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (gdb1253) ":\n"
|
|
" pushl %ebp\n"
|
|
" xorl %ecx, %ecx\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %edi\n"
|
|
" int $0x03\n"
|
|
" leave\n"
|
|
" ret\n");
|
|
|
|
/* Relevant part of the prologue from backtrace/1718. */
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (gdb1718) ":\n"
|
|
" pushl %ebp\n"
|
|
" movl $0x11111111, %eax\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %esi\n"
|
|
" movl $0x22222222, %esi\n"
|
|
" pushl %ebx\n"
|
|
" int $0x03\n"
|
|
" leave\n"
|
|
" ret\n");
|
|
|
|
/* Relevant part of the prologue from backtrace/1338. */
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (gdb1338) ":\n"
|
|
" pushl %edi\n"
|
|
" pushl %esi\n"
|
|
" pushl %ebx\n"
|
|
" int $0x03\n"
|
|
" popl %ebx\n"
|
|
" popl %esi\n"
|
|
" popl %edi\n"
|
|
" ret\n");
|
|
|
|
/* The purpose of this function is to verify that, during prologue
|
|
skip, GDB does not follow a jump at the beginnning of the "real"
|
|
code. */
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (jump_at_beginning) ":\n"
|
|
" pushl %ebp\n"
|
|
" movl %esp,%ebp\n"
|
|
" jmp .gdbjump\n"
|
|
" nop\n"
|
|
".gdbjump:\n"
|
|
" movl %ebp,%esp\n"
|
|
" popl %ebp\n"
|
|
" ret\n");
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (stack_align_ecx) ":\n"
|
|
" leal 4(%esp), %ecx\n"
|
|
" andl $-16, %esp\n"
|
|
" pushl -4(%ecx)\n"
|
|
" pushl %ebp\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %edi\n"
|
|
" pushl %ecx\n"
|
|
" int $0x03\n"
|
|
" popl %ecx\n"
|
|
" popl %edi\n"
|
|
" popl %ebp\n"
|
|
" leal -4(%ecx), %esp\n"
|
|
" ret\n");
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (stack_align_edx) ":\n"
|
|
" leal 4(%esp), %edx\n"
|
|
" andl $-16, %esp\n"
|
|
" pushl -4(%edx)\n"
|
|
" pushl %ebp\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %edi\n"
|
|
" pushl %ecx\n"
|
|
" int $0x03\n"
|
|
" popl %ecx\n"
|
|
" popl %edi\n"
|
|
" popl %ebp\n"
|
|
" leal -4(%edx), %esp\n"
|
|
" ret\n");
|
|
|
|
asm(".text\n"
|
|
" .align 8\n"
|
|
SYMBOL (stack_align_eax) ":\n"
|
|
" leal 4(%esp), %eax\n"
|
|
" andl $-16, %esp\n"
|
|
" pushl -4(%eax)\n"
|
|
" pushl %ebp\n"
|
|
" movl %esp, %ebp\n"
|
|
" pushl %edi\n"
|
|
" pushl %ecx\n"
|
|
" int $0x03\n"
|
|
" popl %ecx\n"
|
|
" popl %edi\n"
|
|
" popl %ebp\n"
|
|
" leal -4(%eax), %esp\n"
|
|
" ret\n");
|
|
|