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Diffstat (limited to 'gold/testsuite/bnd_plt_1.sh')
-rwxr-xr-x | gold/testsuite/bnd_plt_1.sh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/gold/testsuite/bnd_plt_1.sh b/gold/testsuite/bnd_plt_1.sh new file mode 100755 index 0000000000..ed8256f9f9 --- /dev/null +++ b/gold/testsuite/bnd_plt_1.sh @@ -0,0 +1,52 @@ +#!/bin/sh + +# bnd_plt_1.sh -- test -z bndplt for x86_64 + +# Copyright (C) 2016 Free Software Foundation, Inc. +# Written by Cary Coutant <ccoutant@gmail.com>. + +# This file is part of gold. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, +# MA 02110-1301, USA. + +match() +{ + if ! egrep "$1" "$2" >/dev/null 2>&1; then + echo 1>&2 "could not find '$1' in $2" + exit 1 + fi +} + +# Extract just the PLT portion of the disassembly. +get_plt() +{ + sed -n -e '/^Disassembly of section .plt:/,/^Disassembly/p' +} + +# Extract the addresses of the indirect jumps, omitting the PLT0 entry. +get_aplt_jmpq_addresses() +{ + sed -n -e '/_GLOBAL_OFFSET_TABLE_+0x10/d' \ + -e '/bnd jmpq \*0x[0-9a-f]*(%rip)/p' | + sed -e 's/ *\([0-9a-f]*\):.*/\1/' +} + +match 'bnd jmpq \*0x[0-9a-f]*\(%rip\) *# [0-9a-f]* <_GLOBAL_OFFSET_TABLE_\+0x10>' bnd_plt_1.stdout + +for APLT_ADDR in $(get_plt < bnd_ifunc_2.stdout | get_aplt_jmpq_addresses) +do + match "bnd (callq|jmpq) $APLT_ADDR" bnd_ifunc_2.stdout +done |