1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2009-2015 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 asm (".globl cu_text_start"); 21 asm ("cu_text_start:"); 22 23 int 24 main (void) 25 { 26 unsigned char var = 1; 27 28 if (var != 1) 29 abort (); 30 { 31 extern unsigned char var; 32 33 /* Do not rely on the `extern' DIE output by GCC (GCC PR debug/39563). */ 34 asm (".globl extern_block_start"); 35 asm ("extern_block_start:"); 36 if (var != 2) 37 abort (); 38 asm (".globl extern_block_end"); 39 asm ("extern_block_end:"); 40 } 41 42 return 0; 43 } 44 45 asm (".globl cu_text_end"); 46 asm ("cu_text_end:"); 47