d258b82828
This patch adds "-z bndplt" option Linux/x86-64 linker to generate BND
prefix in PLT entries. It also updated Linux/x86-64 assembler not to
generate R_X86_64_PLT32_BND nor R_X86_64_PC32_BND relocations.
bfd/
2014-11-18 Igor Zamyatin <igor.zamyatin@intel.com>
* elf64-x86-64.c (elf_x86_64_check_relocs): Enable MPX PLT only
for -z bndplt.
gas/
2014-11-18 Igor Zamyatin <igor.zamyatin@intel.com>
* config/tc-i386-intel.c (i386_operator): Remove last argument
from lex_got call.
* config/tc-i386.c (reloc): Remove bnd_prefix from parameters'
list. Return always BFD_RELOC_32_PCREL.
* (output_branch): Remove condition for BFD_RELOC_X86_64_PC32_BND.
* (output_jump): Update call to reloc accordingly.
* (output_interseg_jump): Likewise.
* (output_disp): Likewise.
* (output_imm): Likewise.
* (x86_cons_fix_new): Likewise.
* (lex_got): Remove bnd_prefix from parameters' list in macro and
declarations. Don't use BFD_RELOC_X86_64_PLT32_BND.
* (x86_cons): Update call to lex_got accordingly.
* (i386_immediate): Likewise.
* (i386_displacement): Likewise.
* (md_apply_fix): Don't use BFD_RELOC_X86_64_PLT32_BND nor
BFD_RELOC_X86_64_PC32_BND.
* (tc_gen_reloc): Likewise.
include/
2014-11-18 Igor Zamyatin <igor.zamyatin@intel.com>
* bfdlink.h (struct bfd_link_info): Add bndplt.
ld/
2014-11-18 Igor Zamyatin <igor.zamyatin@intel.com>
* emulparams/elf_x86_64.sh (BNDPLT): Set to yes for x86_64.
* emultempl/elf32.em (gld${EMULATION_NAME}_handle_option): Handle
"-z bndplt" if BNDPLT is yes.
(gld${EMULATION_NAME}_list_options): Add "-z bndplt" entry.
* ld.texinfo: Add description for bndplt.
ld/testsuite/
2014-11-18 Igor Zamyatin <igor.zamyatin@intel.com>
* testsuite/ld-x86-64/bnd-ifunc-1.d: Add bndplt option.
* testsuite/ld-x86-64/bnd-ifunc-2.d: Likewise.
* testsuite/ld-x86-64/bnd-plt-1.d: Likewise. Update dissassembly
sections.
* testsuite/ld-x86-64/mpx.exp: Handle mpx3 and mpx4 tests.
* testsuite/ld-x86-64/mpx1a.rd: Remove _BND from relocation name.
* testsuite/ld-x86-64/mpx1c.rd: Likewise.
* testsuite/ld-x86-64/mpx2a.rd: Likewise.
* testsuite/ld-x86-64/mpx2c.rd: Likewise.
* testsuite/ld-x86-64/mpx3.dd: New file.
* testsuite/ld-x86-64/mpx3a.s: Likewise.
* testsuite/ld-x86-64/mpx3b.s: Likewise.
* testsuite/ld-x86-64/mpx4.dd: Likewise.
* testsuite/ld-x86-64/mpx4a.s: Likewise.
* testsuite/ld-x86-64/mpx4b.s: Likewise.
98 lines
2.9 KiB
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98 lines
2.9 KiB
Plaintext
# Expect script for ELF MPX tests.
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# Copyright (C) 2013-2014 Free Software Foundation, Inc.
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#
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# This file is part of the GNU Binutils.
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#
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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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#
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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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#
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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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#
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# The following tests require running the executable generated by ld,
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# or enough of a build environment to create a fully linked executable.
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# This is not commonly available when testing a cross-built linker.
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if ![isnative] {
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return
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}
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# Only on Linux for now.
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if ![istarget "x86_64-*-linux*"] {
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return
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}
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# Check to see if the C compiler works
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if { [which $CC] == 0 } {
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return
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}
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set build_tests {
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{"Build libmpx1a.a"
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"" "-Wa,-madd-bnd-prefix -fPIC"
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{mpx1a.c} {{readelf {-r --wide} mpx1a.rd}} "libmpx1a.a"}
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{"Build libmpx1b.a"
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"" ""
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{mpx1b.c} {} "libmpx1b.a"}
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{"Build libmpx1c.a"
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"" "-Wa,-madd-bnd-prefix"
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{mpx1c.c} {{readelf {-r --wide} mpx1c.rd}} "libmpx1c.a"}
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{"Build libmpx2a.a"
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"" "-Wa,-madd-bnd-prefix -fPIE"
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{mpx2a.c} {{readelf {-r --wide} mpx2a.rd}} "libmpx2a.a"}
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{"Build libmpx2b.a"
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"" "-fPIE"
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{mpx2b.c} {} "libmpx2b.a"}
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{"Build libmpx2c.a"
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"" "-Wa,-madd-bnd-prefix -fPIE"
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{mpx2c.c} {{readelf {-r --wide} mpx2c.rd}} "libmpx2c.a"}
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}
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run_cc_link_tests $build_tests
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set run_tests {
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{"Run mpx1"
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"tmpdir/mpx1a.o tmpdir/mpx1b.o tmpdir/mpx1c.o" ""
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{dummy.s} "mpx1" "mpx1.out"}
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{"Run mpx1 with -static"
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"tmpdir/mpx1a.o tmpdir/mpx1b.o tmpdir/mpx1c.o -static" ""
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{dummy.s} "mpx1static" "mpx1.out"}
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{"Run mpx2"
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"tmpdir/mpx2a.o tmpdir/mpx2b.o tmpdir/mpx2c.o -pie" ""
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{dummy.s} "mpx2" "mpx2.out"}
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{"Run mpx2 with -static"
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"tmpdir/mpx2a.o tmpdir/mpx2b.o tmpdir/mpx2c.o -static" ""
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{dummy.s} "mpx2static" "mpx2.out"}
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}
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run_ld_link_tests {
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{"Build libcall.so"
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"-shared -z bndplt" "" ""
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{mpx3b.s} {} "libcall.so"}
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{"Build mpx3"
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"tmpdir/libcall.so -z bndplt" "" ""
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{mpx3a.s} {{objdump -dw mpx3.dd}} "mpx3"}
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{"Build libcall1.so"
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"-shared -z bndplt" "" ""
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{mpx4b.s} {} "libcall1.so"}
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{"Build mpx4"
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"tmpdir/libcall1.so -z bndplt" "" ""
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{mpx4a.s} {{objdump -dw mpx4.dd}} "mpx4"}
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}
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run_ld_link_exec_tests [] $run_tests
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run_dump_test "bnd-branch-1"
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run_dump_test "bnd-ifunc-1"
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run_dump_test "bnd-ifunc-2"
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run_dump_test "bnd-plt-1"
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