| /* Unwinder test program. |
| |
| Copyright (C) 2003-2021 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"); |
| |