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779bdadbea
This option does not merge certain text sections with prefixes .text.hot, .text.unlikely, .text.startup and .text.exit. * layout.cc (Layout::default_section_order): Check for text section prefixes. (Layout::text_section_name_mapping): New static member. (Layout::text_section_name_mapping_count): New static member. (Layout::match_section_name): New static function. (Layout::output_section_name): Check for text section prefixes. * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value. (Output_section_order::ORDER_TEXT_STARTUP): New enum value. (Output_section_order::ORDER_TEXT_EXIT): New enum value. (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value. (Layout::text_section_name_mapping): New static member. (Layout::text_section_name_mapping_count): New static member. (Layout::match_section_name): New static function. * options.h (keep_text_section_prefix): New -z option. * testsuite/Makefile.am (keep_text_section_prefix): New test. * testsuite/Makefile.in: Regenerate. * testsuite/keep_text_section_prefix.cc: New test source. * testsuite/keep_text_section_prefix.sh: New test script.
78 lines
2.0 KiB
Bash
Executable File
78 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# keep_text_section_prefix.sh -- test
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# Copyright (C) 2018 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 .text sections are separated
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# according to their prefix. .text.hot, .text.unlikely, .text.startup and
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# .text.exit must be separated in the final binary.
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set -e
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check()
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{
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awk "
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BEGIN { saw1 = 0; saw2 = 0; err = 0; }
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/.*$2\$/ { saw1 = 1; }
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/.*$3\$/ {
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saw2 = 1;
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if (!saw1)
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{
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printf \"layout of $2 and $3 is not right\\n\";
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err = 1;
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exit 1;
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}
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}
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END {
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if (!saw1 && !err)
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{
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printf \"did not see $2\\n\";
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exit 1;
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}
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if (!saw2 && !err)
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{
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printf \"did not see $3\\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_str()
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{
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if ! grep -q "$2" "$1"
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then
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echo "Did not find expected output in $1:"
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echo " $2"
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echo ""
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echo "Actual output below:"
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cat "$1"
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exit 1
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fi
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}
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check_str keep_text_section_prefix_readelf.stdout ".text.hot .text .text.startup .text.exit .text.unlikely"
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check keep_text_section_prefix_nm.stdout "hot_foo" "regular_foo"
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check keep_text_section_prefix_nm.stdout "regular_foo" "startup_foo"
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check keep_text_section_prefix_nm.stdout "startup_foo" "exit_foo"
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check keep_text_section_prefix_nm.stdout "exit_foo" "unlikely_foo"
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