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.
36 lines
1.3 KiB
C++
36 lines
1.3 KiB
C++
// gc_orphan_section_test.cc -- a test case for gold
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// Copyright 2010 Free Software Foundation, Inc.
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// Written by Sriraman Tallam <tmsriram@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// The goal of this program is to verify if garbage collection does not
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// discard orphan sections when references to them through __start_XXX
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// and __stop_XXX are present. Here section _foo must not be gc'ed but
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// _boo should be gc'ed.
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extern const int *__start__foo;
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int foo __attribute__((__section__("_foo"))) = 1;
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int boo __attribute__((__section__("_boo"))) = 1;
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int main()
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{
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return *__start__foo;
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}
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