1 // justsyms_exec.c -- test --just-symbols for gold 2 3 // Copyright (C) 2011-2016 Free Software Foundation, Inc. 4 // Written by Cary Coutant <ccoutant (at) google.com>. 5 6 // This file is part of gold. 7 8 // This program is free software; you can redistribute it and/or modify 9 // it under the terms of the GNU General Public License as published by 10 // the Free Software Foundation; either version 3 of the License, or 11 // (at your option) any later version. 12 13 // This program is distributed in the hope that it will be useful, 14 // but WITHOUT ANY WARRANTY; without even the implied warranty of 15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 // GNU General Public License for more details. 17 18 // You should have received a copy of the GNU General Public License 19 // along with this program; if not, write to the Free Software 20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, 21 // MA 02110-1301, USA. 22 23 // The Linux kernel builds an executable file using a linker script, and 24 // then links against that object file using the -R option. This is a 25 // test for that usage. 26 27 #include <stdio.h> 28 29 extern int exported_func(void); 30 31 extern int exported_data; 32 33 static int errs = 0; 34 35 void check(void *sym, long v, const char *name); 36 37 void 38 check(void *sym, long v, const char *name) 39 { 40 if (sym != (void *)v) 41 { 42 fprintf(stderr, "&%s is %8p, expected %08lx\n", name, sym, v); 43 errs++; 44 } 45 } 46 47 int 48 main(void) 49 { 50 #ifndef __powerpc64__ 51 /* PowerPC64 uses function descriptors. */ 52 check(exported_func, 0x1000200, "exported_func"); 53 #endif 54 check(&exported_data, 0x2000000, "exported_data"); 55 return errs; 56 } 57
