f1ec9ded5c
(Garbage_collection::cident_sections): New function. (Garbage_collection::add_cident_section): New function. (Garbage_collection::cident_sections_): New member. (gc_process_relocs): Add references to sections whose names are C identifiers. * gold.h (cident_section_start_prefix): New constant. (cident_section_stop_prefix): New constant. (is_cident): New function. * layout.cc (Layout::define_section_symbols): Replace string constants with the newly defined constants. * object.cc (Sized_relobj::do_layout): Track sections whose names are C identifiers. * testsuite/Makefile.am: Add gc_orphan_section_test. * testsuite/Makefile.in: Regenerate. * testsuite/gc_orphan_section_test.cc: New file. * testsuite/gc_orphan_section_test.sh: New file.
37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
// gc_orphan_section_test.cc -- a test case for gold
|
|
|
|
// Copyright 2010 Free Software Foundation, Inc.
|
|
// Written by Sriraman Tallam <tmsriram@google.com>.
|
|
|
|
// This file is part of gold.
|
|
|
|
// 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, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
// MA 02110-1301, USA.
|
|
|
|
// The goal of this program is to verify if garbage collection does not
|
|
// discard orphan sections when references to them through __start_XXX
|
|
// and __stop_XXX are present. Here section _foo must not be gc'ed but
|
|
// _boo should be gc'ed.
|
|
|
|
extern const int *__start__foo;
|
|
int foo __attribute__((__section__("_foo"))) = 1;
|
|
int boo __attribute__((__section__("_boo"))) = 1;
|
|
|
|
int main()
|
|
{
|
|
return *__start__foo;
|
|
}
|
|
|