1 /* Symbol size test program. 2 3 Copyright 2006-2023 Free Software Foundation, Inc. 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 3 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, see <http://www.gnu.org/licenses/>. */ 19 20 #ifdef SYMBOL_PREFIX 21 #define SYMBOL(str) SYMBOL_PREFIX #str 22 #else 23 #define SYMBOL(str) #str 24 #endif 25 26 void 27 trap (void) 28 { 29 asm ("int $0x03"); 30 } 31 32 /* Jump from a function with its symbol size set, to a function 33 named by a local label. If GDB does not look at the sizes of 34 symbols, we will still appear to be in the first function. */ 35 36 asm(".text\n" 37 " .align 8\n" 38 " .globl " SYMBOL (main) "\n" 39 SYMBOL (main) ":\n" 40 " pushl %ebp\n" 41 " mov %esp, %ebp\n" 42 " call .Lfunc\n" 43 " ret\n" 44 " .size " SYMBOL (main) ", .-" SYMBOL (main) "\n" 45 ".Lfunc:\n" 46 " pushl %ebp\n" 47 " mov %esp, %ebp\n" 48 " call " SYMBOL (trap) "\n"); 49