binutils-gdb/gdb/testsuite/gdb.dwarf2/dw2-unresolved-main.c

61 lines
1.5 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2009-2016 Free Software Foundation, Inc.
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/>. */
#include <stdlib.h>
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
#ifdef SYMBOL_PREFIX
# define SYMBOL1(str) CONCAT1(SYMBOL_PREFIX, str)
#else
# define SYMBOL1(str) str
#endif
#define STR1(s) #s
#define STR(s) STR1(s)
#define SYMBOL(str) STR(SYMBOL1(str))
asm (".globl cu_text_start");
asm ("cu_text_start:");
int
main (void)
{
unsigned char var = 1;
if (var != 1)
abort ();
{
extern unsigned char var;
/* Do not rely on the `extern' DIE output by GCC (GCC PR debug/39563). */
asm (".globl " SYMBOL(extern_block_start));
asm (SYMBOL(extern_block_start) ":");
if (var != 2)
abort ();
asm (".globl " SYMBOL(extern_block_end));
asm (SYMBOL(extern_block_end) ":");
}
return 0;
}
asm (".globl cu_text_end");
asm ("cu_text_end:");