Browse Source
2020-12-14 H.J. Lu <hjl.tools@gmail.com>
Cary Coutant <ccoutant@gmail.com>
elfcpp/
PR gold/27039
* elfcpp.h (SHF): Add SHF_GNU_RETAIN.
gold/
PR gold/27039
* layout.cc (Layout::layout): Strip SHF_GNU_RETAIN.
* object.cc (Sized_relobj_file::Sized_relobj_file): Initialize osabi_.
(Sized_relobj_file::do_layout): Keep SHF_GNU_RETAIN sections for
GNU/FreBSD ELFOSABIs.
* object.h (Osabi) New class.
(Sized_relobj_file): Add osabi() and osabi_.
* testsuite/Makefile.am (check_SCRIPTS): Add retain.sh.
(check_DATA): Add retain_1.out retain_2.out.
(MOSTLYCLEANFILES): Add retain_1 retain_2.
(retain_1.out): New target.
(retain_1): Likewise.
(retain_1.o): Likewise.
(retain_2.out): Likewise.
(retain_2): Likewise.
(retain_2.o): Likewise.
* testsuite/Makefile.in: Regenerate.
* testsuite/retain.sh: New file.
* testsuite/retain_1.s: Likewise.
* testsuite/retain_2.s: Likewise.
binutils-2_36-branch
Cary Coutant
6 years ago
9 changed files with 294 additions and 20 deletions
@ -0,0 +1,60 @@ |
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#!/bin/sh |
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# retain.sh -- Tests for SHF_GNU_RETAIN. |
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# Copyright (C) 2020 Free Software Foundation, Inc. |
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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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set -e |
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check() |
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{ |
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number_of_occurrence=`egrep "$2" ./$1 -o | wc -l` |
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if [ $number_of_occurrence != $3 ] |
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then |
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echo "$1: \"$2\" $3: Failed" |
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status=1 |
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fi |
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} |
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status=0 |
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check retain_1.out " T fnretain1" 1 |
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check retain_1.out " b lsretain0.2" 1 |
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check retain_1.out " b lsretain1.1" 1 |
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check retain_1.out " d lsretain2.0" 1 |
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check retain_1.out " B retain0" 1 |
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check retain_1.out " B retain1" 1 |
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check retain_1.out " D retain2" 1 |
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check retain_1.out " b sretain0" 1 |
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check retain_1.out " b sretain1" 1 |
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check retain_1.out " d sretain2" 1 |
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if grep discard retain_1.out |
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then |
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echo "retain_1.out: Garbage collection failed" |
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status=1 |
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fi |
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check retain_2.out " \(PREINIT_ARRAY\)" 1 |
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check retain_2.out " \(PREINIT_ARRAYSZ\)" 1 |
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check retain_2.out " \(INIT_ARRAY\)" 1 |
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check retain_2.out " \(INIT_ARRAYSZ\)" 1 |
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check retain_2.out " \(FINI_ARRAY\)" 1 |
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check retain_2.out " \(FINI_ARRAYSZ\)" 1 |
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exit $status |
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@ -0,0 +1,104 @@ |
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.global discard0 |
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.section .bss.discard0,"aw" |
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.type discard0, %object |
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discard0: |
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.zero 2 |
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.global discard1 |
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.section .bss.discard1,"aw" |
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.type discard1, %object |
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discard1: |
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.zero 2 |
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.global discard2 |
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.section .data.discard2,"aw" |
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.type discard2, %object |
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discard2: |
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.word 1 |
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.section .bss.sdiscard0,"aw" |
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.type sdiscard0, %object |
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sdiscard0: |
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.zero 2 |
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.section .bss.sdiscard1,"aw" |
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.type sdiscard1, %object |
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sdiscard1: |
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.zero 2 |
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.section .data.sdiscard2,"aw" |
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.type sdiscard2, %object |
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sdiscard2: |
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.word 1 |
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.section .text.fndiscard0,"ax" |
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.global fndiscard0 |
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.type fndiscard0, %function |
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fndiscard0: |
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.word 0 |
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.global retain0 |
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.section .bss.retain0,"awR" |
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.type retain0, %object |
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retain0: |
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.zero 2 |
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.global retain1 |
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.section .bss.retain1,"awR" |
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.type retain1, %object |
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retain1: |
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.zero 2 |
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.global retain2 |
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.section .data.retain2,"awR" |
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.type retain2, %object |
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retain2: |
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.word 1 |
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.section .bss.sretain0,"awR" |
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.type sretain0, %object |
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sretain0: |
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.zero 2 |
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.section .bss.sretain1,"awR" |
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.type sretain1, %object |
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sretain1: |
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.zero 2 |
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.section .data.sretain2,"aRw" |
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.type sretain2, %object |
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sretain2: |
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.word 1 |
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.section .text.fnretain1,"Rax" |
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.global fnretain1 |
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.type fnretain1, %function |
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fnretain1: |
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.word 0 |
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.section .text.fndiscard2,"ax" |
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.global fndiscard2 |
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.type fndiscard2, %function |
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fndiscard2: |
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.word 0 |
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.section .bss.lsretain0,"awR" |
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.type lsretain0.2, %object |
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lsretain0.2: |
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.zero 2 |
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.section .bss.lsretain1,"aRw" |
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.type lsretain1.1, %object |
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lsretain1.1: |
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.zero 2 |
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.section .data.lsretain2,"aRw" |
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.type lsretain2.0, %object |
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lsretain2.0: |
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.word 1 |
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.section .text._start,"ax" |
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.global _start |
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.type _start, %function |
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_start: |
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.word 0 |
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@ -0,0 +1,22 @@ |
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.section .preinit_array.01000,"aw",%preinit_array |
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.dc.a 0 |
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.section .init_array.01000,"aw",%init_array |
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.dc.a 0 |
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.section .fini_array.01000,"aw",%fini_array |
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.dc.a 0 |
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.section .preinit_array.01000,"awR",%preinit_array |
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.dc.a 0 |
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.section .init_array.01000,"awR",%init_array |
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.dc.a 0 |
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.section .fini_array.01000,"awR",%fini_array |
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.dc.a 0 |
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.text |
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.globl _start |
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_start: |
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.dc.a 0 |
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