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/* Unwinder test program.
Copyright (C) 2003-2023 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);
void standard (void);
void stack_align_ecx (void);
void stack_align_edx (void);
void stack_align_eax (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");
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