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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.
53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
/* keep_text_section_prefix.cc -- a test case for gold
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Copyright (C) 2018 onwards 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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extern "C" {
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__attribute__((section(".text.unlikely.foo")))
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int unlikely_foo(void) {
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return 0;
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}
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__attribute__((section(".text.hot.foo")))
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int hot_foo(void) {
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return 0;
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}
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__attribute__((section(".text.startup.foo")))
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int startup_foo(void) {
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return 0;
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}
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__attribute__((section(".text.exit.foo")))
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int exit_foo(void) {
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return 0;
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}
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__attribute__((section(".text.foo")))
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int regular_foo(void) {
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return 0;
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}
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int main(void) {
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return 0;
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}
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}
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