1 // justsyms_1.cc -- test --just-symbols for gold
3 // Copyright 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
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.
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.
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.
23 // The Linux kernel builds an object 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.
33 extern char justsyms_string
[];
35 // We expect to get a SIGSEGV.
45 // The linker script should arrange for this symbol to be exactly at
47 assert(reinterpret_cast<uintptr_t>(justsyms_string
) == 0x100);
49 // However, since the file was linked with --just-symbols, we should
50 // not be able to actually access the symbol.
51 signal(SIGSEGV
, handle_sigsegv
);
52 char c
= justsyms_string
[0];
53 exit(c
== '\0' ? 1 : c
);
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