| 1 | /* This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 2009-2019 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <stdlib.h> |
| 19 | |
| 20 | #define CONCAT1(a, b) CONCAT2(a, b) |
| 21 | #define CONCAT2(a, b) a ## b |
| 22 | |
| 23 | #ifdef SYMBOL_PREFIX |
| 24 | # define SYMBOL1(str) CONCAT1(SYMBOL_PREFIX, str) |
| 25 | #else |
| 26 | # define SYMBOL1(str) str |
| 27 | #endif |
| 28 | |
| 29 | #define STR1(s) #s |
| 30 | #define STR(s) STR1(s) |
| 31 | |
| 32 | #define SYMBOL(str) STR(SYMBOL1(str)) |
| 33 | |
| 34 | asm (".globl cu_text_start"); |
| 35 | asm ("cu_text_start:"); |
| 36 | |
| 37 | int |
| 38 | main (void) |
| 39 | { |
| 40 | unsigned char var = 1; |
| 41 | |
| 42 | if (var != 1) |
| 43 | abort (); |
| 44 | { |
| 45 | extern unsigned char var; |
| 46 | |
| 47 | /* Do not rely on the `extern' DIE output by GCC (GCC PR debug/39563). */ |
| 48 | asm (".globl " SYMBOL(extern_block_start)); |
| 49 | asm (SYMBOL(extern_block_start) ":"); |
| 50 | if (var != 2) |
| 51 | abort (); |
| 52 | asm (".globl " SYMBOL(extern_block_end)); |
| 53 | asm (SYMBOL(extern_block_end) ":"); |
| 54 | } |
| 55 | |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | asm (".globl cu_text_end"); |
| 60 | asm ("cu_text_end:"); |