| 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 gdb1253 (void); |
| 29 | void gdb1718 (void); |
| 30 | void gdb1338 (void); |
| 31 | void jump_at_beginning (void); |
| 32 | |
| 33 | int |
| 34 | main (void) |
| 35 | { |
| 36 | gdb1253 (); |
| 37 | gdb1718 (); |
| 38 | gdb1338 (); |
| 39 | jump_at_beginning (); |
| 40 | return 0; |
| 41 | } |
| 42 | |
| 43 | /* Relevant part of the prologue from symtab/1253. */ |
| 44 | |
| 45 | asm(".text\n" |
| 46 | " .align 8\n" |
| 47 | SYMBOL (gdb1253) ":\n" |
| 48 | " pushl %ebp\n" |
| 49 | " xorl %ecx, %ecx\n" |
| 50 | " movl %esp, %ebp\n" |
| 51 | " pushl %edi\n" |
| 52 | " int $0x03\n" |
| 53 | " leave\n" |
| 54 | " ret\n"); |
| 55 | |
| 56 | /* Relevant part of the prologue from backtrace/1718. */ |
| 57 | |
| 58 | asm(".text\n" |
| 59 | " .align 8\n" |
| 60 | SYMBOL (gdb1718) ":\n" |
| 61 | " pushl %ebp\n" |
| 62 | " movl $0x11111111, %eax\n" |
| 63 | " movl %esp, %ebp\n" |
| 64 | " pushl %esi\n" |
| 65 | " movl $0x22222222, %esi\n" |
| 66 | " pushl %ebx\n" |
| 67 | " int $0x03\n" |
| 68 | " leave\n" |
| 69 | " ret\n"); |
| 70 | |
| 71 | /* Relevant part of the prologue from backtrace/1338. */ |
| 72 | |
| 73 | asm(".text\n" |
| 74 | " .align 8\n" |
| 75 | SYMBOL (gdb1338) ":\n" |
| 76 | " pushl %edi\n" |
| 77 | " pushl %esi\n" |
| 78 | " pushl %ebx\n" |
| 79 | " int $0x03\n" |
| 80 | " popl %ebx\n" |
| 81 | " popl %esi\n" |
| 82 | " popl %edi\n" |
| 83 | " ret\n"); |
| 84 | |
| 85 | /* The purpose of this function is to verify that, during prologue |
| 86 | skip, GDB does not follow a jump at the beginnning of the "real" |
| 87 | code. */ |
| 88 | |
| 89 | asm(".text\n" |
| 90 | " .align 8\n" |
| 91 | SYMBOL (jump_at_beginning) ":\n" |
| 92 | " pushl %ebp\n" |
| 93 | " movl %esp,%ebp\n" |
| 94 | " jmp .gdbjump\n" |
| 95 | " nop\n" |
| 96 | ".gdbjump:\n" |
| 97 | " movl %ebp,%esp\n" |
| 98 | " popl %ebp\n" |
| 99 | " ret\n"); |