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2017-10-04 Sriraman Tallam <tmsriram@google.com> * options.h (-z,text_unlikely_segment): New option. * layout.cc (Layout::layout): Create new output section for .text.unlikely sections with the new option. (Layout::segment_precedes): Check for the new option when segment flags match. * testsuite/text_unlikely_segment.cc: New test source. * testsuite/text_unlikely_segment.sh: New test script. * testsuite/Makefile.am (text_unlikely_segment): New test. * testsuite/Makefile.in: Regenerate.
61 lines
1.8 KiB
Bash
Executable File
61 lines
1.8 KiB
Bash
Executable File
#!/bin/sh
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# plugin_final_layout.sh -- test
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# Copyright (C) 2011-2017 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 -z,text-unlikely-segment works as
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# intended. File text_unlikely_segment.cc is part of this test.
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set -e
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# With readelf -l, an ELF Section to Segment mapping is printed as :
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##############################################
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# Section to Segment mapping:
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# Segment Sections...
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# ...
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# 0x .text.unlikely
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# ...
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##############################################
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# Check if .text.unlikely is the only section in the segment.
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check_unique_segment()
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{
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awk "
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BEGIN { saw_section = 0; saw_unique = 0; }
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/$2/ { saw_section = 1; }
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/[ ]*0[0-9][ ]*$2[ ]*\$/ { saw_unique = 1; }
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END {
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if (!saw_section)
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{
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printf \"Section $2 not seen in output\\n\";
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exit 1;
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}
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else if (!saw_unique)
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{
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printf \"Unique segment not seen for: $2\\n\";
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exit 1;
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}
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}" $1
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}
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check_unique_segment text_unlikely_segment_readelf.stdout ".text.unlikely"
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