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29e8a844 DJ |
1 | /* Symbol size test program. |
2 | ||
6aba47ca | 3 | Copyright 2006, 2007 Free Software Foundation, Inc. |
29e8a844 DJ |
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 | |
29 | trap (void) | |
30 | { | |
31 | asm ("int $0x03"); | |
32 | } | |
33 | ||
34 | /* Jump from a function with its symbol size set, to a function | |
35 | named by a local label. If GDB does not look at the sizes of | |
36 | symbols, we will still appear to be in the first function. */ | |
37 | ||
38 | asm(".text\n" | |
39 | " .align 8\n" | |
40 | " .globl " SYMBOL (main) "\n" | |
41 | SYMBOL (main) ":\n" | |
42 | " pushl %ebp\n" | |
43 | " mov %esp, %ebp\n" | |
44 | " call .Lfunc\n" | |
45 | " ret\n" | |
46 | " .size " SYMBOL (main) ", .-" SYMBOL (main) "\n" | |
47 | ".Lfunc:\n" | |
48 | " pushl %ebp\n" | |
49 | " mov %esp, %ebp\n" | |
50 | " call " SYMBOL (trap) "\n"); |