binutils-gdb/gdb/testsuite/gdb.arch/i386-size.c

49 lines
1.4 KiB
C

/* Symbol size test program.
Copyright 2006-2015 Free Software Foundation, Inc.
This file is part of GDB.
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/>. */
#ifdef SYMBOL_PREFIX
#define SYMBOL(str) SYMBOL_PREFIX #str
#else
#define SYMBOL(str) #str
#endif
void
trap (void)
{
asm ("int $0x03");
}
/* Jump from a function with its symbol size set, to a function
named by a local label. If GDB does not look at the sizes of
symbols, we will still appear to be in the first function. */
asm(".text\n"
" .align 8\n"
" .globl " SYMBOL (main) "\n"
SYMBOL (main) ":\n"
" pushl %ebp\n"
" mov %esp, %ebp\n"
" call .Lfunc\n"
" ret\n"
" .size " SYMBOL (main) ", .-" SYMBOL (main) "\n"
".Lfunc:\n"
" pushl %ebp\n"
" mov %esp, %ebp\n"
" call " SYMBOL (trap) "\n");