1952c5cd7d
This patch changes linker to issue a warning for relocation in readonly section for -z text. bfd/ PR ld/17935 * elf32-i386.c (elf_i386_readonly_dynrelocs): Also issue a warning for relocation in readonly section for -z text. (elf_i386_size_dynamic_sections): Likewise. * elf64-x86-64.c (elf_x86_64_readonly_dynrelocs): Likewise. (elf_x86_64_size_dynamic_sections): Likewise. ld/testsuite/ PR ld/17935 * ld-i386/i386.exp: Run pr17935-1 and pr17935-2. * ld-x86-64/x86-64.exp: Likewise. * ld-i386/pr17935-1.d: New file. * ld-i386/pr17935-1.s: Likewise. * ld-i386/pr17935-2.d: Likewise. * ld-i386/pr17935-2.s: Likewise. * ld-x86-64/pr17935-1.d: Likewise. * ld-x86-64/pr17935-1.s: Likewise. * ld-x86-64/pr17935-2.d: Likewise. * ld-x86-64/pr17935-2.s: Likewise.
355 lines
11 KiB
Text
355 lines
11 KiB
Text
# Expect script for ld-i386 tests
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# Copyright (C) 2002-2015 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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# Test i386 linking; all types of relocs. This tests the assembler and
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# tools like objdump as well as the linker.
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if {[istarget "i?86-*-vxworks"]} {
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set i386tests {
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{"VxWorks shared library test 1" "-shared -Tvxworks1.ld" ""
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"" {vxworks1-lib.s}
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{{readelf --relocs vxworks1-lib.rd} {objdump -dr vxworks1-lib.dd}
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{readelf --symbols vxworks1-lib.nd} {readelf -d vxworks1-lib.td}}
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"libvxworks1.so"}
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{"VxWorks executable test 1 (dynamic)" \
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"tmpdir/libvxworks1.so -Tvxworks1.ld -q --force-dynamic" ""
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"" {vxworks1.s}
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{{readelf --relocs vxworks1.rd} {objdump -dr vxworks1.dd}}
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"vxworks1"}
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{"VxWorks executable test 2 (dynamic)" \
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"-Tvxworks1.ld -q --force-dynamic" ""
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"" {vxworks2.s}
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{{readelf --segments vxworks2.sd}}
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"vxworks2"}
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{"VxWorks executable test 2 (static)"
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"-Tvxworks1.ld" ""
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"" {vxworks2.s}
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{{readelf --segments vxworks2-static.sd}}
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"vxworks2"}
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}
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run_ld_link_tests $i386tests
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run_dump_test "vxworks1-static"
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}
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if [istarget "*-*-go32*"] {
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run_ld_link_tests {{"go32 stub" "" "" "" {zero.s} {} "go32stub"}}
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set src "tmpdir/go32stub"
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set dest "tmpdir/go32stub-copy"
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set test "go32 stub patch the source"
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set fi [open $src r+]
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fconfigure $fi -translation binary
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if {[read $fi 2] != "MZ"} {
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fail $test
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} else {
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pass $test
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seek $fi 0x40
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puts -nonewline $fi "objcopy-test-go32stub"
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}
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close $fi
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set test "go32 stub objcopy"
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set status [remote_exec build $OBJCOPY "$OBJCOPYFLAGS $src $dest"]
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set exec_output [lindex $status 1]
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set exec_output [prune_warnings $exec_output]
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if [string match "" $exec_output] then {
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pass $test
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} else {
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send_log "$exec_output\n"
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verbose "$exec_output" 1
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fail $test
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}
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# cmp would compare the whole files and some data after the initial exe
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# stub could differ.
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set test "go32 stub comparison after objcopy"
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set fi [open $src]
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fconfigure $fi -translation binary
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set src_stub [read $fi 2048]
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close $fi
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set fi [open $dest]
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fconfigure $fi -translation binary
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set dest_stub [read $fi 2048]
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close $fi
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if {$src_stub == $dest_stub} {
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pass $test
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} else {
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fail $test
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}
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}
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if { !([istarget "i?86-*-elf*"]
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|| (([istarget "i?86-*-linux*"]
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|| [istarget "i?86-*-gnu*"])
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&& ![istarget "*-*-*aout*"]
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&& ![istarget "*-*-*oldld*"])
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|| [istarget "i?86-*-nacl*"]
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|| [istarget "x86_64-*-nacl*"]
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|| [istarget "x86_64-*-linux*"]
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|| [istarget "amd64-*-linux*"]) } {
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return
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}
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# List contains test-items with 3 items followed by 2 lists:
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# 0:name 1:ld early options 2:ld late options 3:assembler options
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# 4:filenames of assembler files 5: action and options. 6: name of output file
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# Actions:
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# objdump: Apply objdump options on result. Compare with regex (last arg).
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# nm: Apply nm options on result. Compare with regex (last arg).
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# readelf: Apply readelf options on result. Compare with regex (last arg).
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set i386tests {
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{"Helper shared library (basic PLT test)"
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"-shared -melf_i386" "" "--32" {pltlib.s} {} "libpltlib.so"}
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{"basic PLT generation (non-PIC)"
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"-melf_i386 tmpdir/libpltlib.so" "" "--32" {plt.s}
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{{objdump -drj.plt plt.pd}} "plt"}
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{"basic PLT generation (PIC)"
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"-shared -melf_i386 tmpdir/libpltlib.so" "" "--32" {plt-pic.s}
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{{objdump -drj.plt plt-pic.pd}} "libplt-pic.so"}
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{"TLS -fpic -shared transitions"
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"-shared -melf_i386 --no-ld-generated-unwind-info" ""
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"--32" {tlspic1.s tlspic2.s}
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{{readelf -Ssrl tlspic.rd} {objdump -drj.text tlspic.dd}
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{objdump -sj.got tlspic.sd} {objdump -sj.tdata tlspic.td}}
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"libtlspic.so"}
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{"TLS descriptor -fpic -shared transitions"
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"-shared -melf_i386 --no-ld-generated-unwind-info" ""
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"--32" {tlsdesc.s tlspic2.s}
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{{readelf -Ssrl tlsdesc.rd} {objdump -drj.text tlsdesc.dd}
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{objdump "-s -j.got -j.got.plt" tlsdesc.sd} {objdump -sj.tdata tlsdesc.td}}
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"libtlsdesc.so"}
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{"Helper shared library" "-shared -melf_i386" ""
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"--32" {tlslib.s} {} "libtlslib.so"}
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{"TLS -fpic and -fno-pic exec transitions"
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"-melf_i386 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
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"--32" {tlsbinpic.s tlsbin.s}
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{{readelf -Ssrl tlsbin.rd} {objdump -drj.text tlsbin.dd}
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{objdump -sj.got tlsbin.sd} {objdump -sj.tdata tlsbin.td}}
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"tlsbin"}
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{"TLS descriptor -fpic and -fno-pic exec transitions"
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"-melf_i386 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
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"--32" {tlsbindesc.s tlsbin.s}
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{{readelf -Ssrl tlsbindesc.rd} {objdump -drj.text tlsbindesc.dd}
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{objdump -sj.got tlsbindesc.sd} {objdump -sj.tdata tlsbindesc.td}}
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"tlsbindesc"}
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{"TLS -fno-pic -shared"
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"-shared -melf_i386 --no-ld-generated-unwind-info" ""
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"--32" {tlsnopic1.s tlsnopic2.s}
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{{readelf -Ssrl tlsnopic.rd} {objdump -drj.text tlsnopic.dd}
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{objdump -sj.got tlsnopic.sd}} "libtlsnopic.so"}
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{"TLS with global dynamic and descriptors"
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"-shared -melf_i386 --no-ld-generated-unwind-info" ""
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"--32" {tlsgdesc.s}
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{{readelf -Ssrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
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"libtlsgdesc.so"}
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{"TLS in debug sections" "-melf_i386" ""
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"--32" {tlsg.s}
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{{objdump -sj.debug_foobar tlsg.sd}} "tlsg"}
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{"TLS @indntpoff with %eax" "-melf_i386" "" "--32" {tlsindntpoff.s}
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{{objdump -drj.text tlsindntpoff.dd}} "tlsindntpoff"}
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{"Reloc section order" "-shared -melf_i386 -z nocombreloc" "" "--32"
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{reloc.s} {{objdump -hw reloc.d}} "reloc.so"}
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{"Basic --emit-relocs support" "-shared -melf_i386 --emit-relocs" "" "--32"
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{emit-relocs.s} {{readelf --relocs emit-relocs.rd}} "emit-relocs.so"}
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{"-z combreloc relocation sections" "-shared -melf_i386 -z combreloc" ""
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"--32" {combreloc.s} {{readelf -r combreloc.d}} "combreloc.so"}
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{"TLS GD->LE transition" "-melf_i386" ""
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"--32" {tlsgd1.s}
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{{objdump -dwr tlsgd1.dd}} "tlsgd1"}
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{"TLS LD->LE transition" "-melf_i386" ""
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"--32" {tlsld1.s}
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{{objdump -dwr tlsld1.dd}} "tlsld1"}
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{"TLS IE->LE transition" "-melf_i386" ""
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"--32" {tlsie1.s}
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{{objdump -dwr tlsie1.dd}} "tlsie1"}
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{"PR ld/17313 (1)" "-melf_i386" ""
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"--32" {zero.s} {} ""}
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{"PR ld/17313 (2)" "-melf_i386 -shared --just-symbols=tmpdir/zero.o" ""
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"--32" {lea1.s} {} "libpr17313.so"}
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{"PR ld/17306 (1)" "-melf_i386" ""
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"--32" {pr17306b.s} {} ""}
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{"PR ld/17306 (2)" "-melf_i386 -shared -Bsymbolic --just-symbols=tmpdir/pr17306b.o" ""
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"--32" {pr17306a.s} {} "libpr17306.so"}
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}
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# So as to avoid rewriting every last test case here in a nacl variant,
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# we use black magic to massage the generic cases into nacl-variant cases.
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if [istarget "*-*-nacl*"] {
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# Change all the -melf_i386 to -melf_i386_nacl so linking can succeed.
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regsub -all elf_i386 $i386tests elf_i386_nacl i386tests
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# Same, applied to all the run_dump_test cases.
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set options_regsub(ld) {-melf_i386 -melf_i386_nacl}
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# The section/segment layout differs too much for the vanilla
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# readelf output files to match. So massage the cases so that
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# they refer to a foo-nacl.rd file instead of a foo.rd file.
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regsub -all {([a-z0-9]+)\.rd} $i386tests {\1-nacl.rd} i386tests
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# Likewise for PLTs.
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regsub -all -- {([a-z0-9]+)\.pd} $i386tests {\1-nacl.pd} i386tests
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}
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run_ld_link_tests $i386tests
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run_dump_test "abs"
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run_dump_test "pcrel8"
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run_dump_test "pcrel16"
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run_dump_test "pcrel16abs"
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run_dump_test "alloc"
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run_dump_test "warn1"
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run_dump_test "tlsgd2"
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run_dump_test "tlsie2"
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run_dump_test "tlsie3"
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run_dump_test "tlsie4"
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run_dump_test "tlsie5"
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run_dump_test "hidden1"
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run_dump_test "hidden2"
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run_dump_test "hidden3"
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run_dump_test "protected1"
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run_dump_test "protected2"
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run_dump_test "protected3"
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run_dump_test "protected4"
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run_dump_test "protected5"
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run_dump_test "tlspie1"
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run_dump_test "tlspie2"
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run_dump_test "nogot1"
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run_dump_test "nogot2"
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run_dump_test "discarded1"
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run_dump_test "pr12718"
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run_dump_test "pr12921"
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run_dump_test "pr12570a"
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run_dump_test "pr12570b"
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run_dump_test "lea1a"
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run_dump_test "lea1b"
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run_dump_test "lea1c"
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run_dump_test "lea1d"
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run_dump_test "lea1e"
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run_dump_test "lea1f"
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run_dump_test "mov1a"
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run_dump_test "mov1b"
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if { !([istarget "i?86-*-linux*"]
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|| [istarget "i?86-*-gnu*"]
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|| [istarget "i?86-*-nacl*"]
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|| [istarget "x86_64-*-nacl*"]
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|| [istarget "x86_64-*-linux*"]) } {
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return
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}
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run_dump_test "compressed1"
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run_dump_test "pr12627"
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run_dump_test "pr13302"
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run_dump_test "pr14215"
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run_dump_test "pr17057"
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run_dump_test "pr17935-1"
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run_dump_test "pr17935-2"
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# Must be Linux native with the C compiler
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if { [isnative]
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&& [istarget "i?86-*-linux*"]
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&& [which $CC] != 0 } {
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run_cc_link_tests [list \
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[list \
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"Build plt-lib.so" \
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"-shared" \
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"-fPIC" \
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{ plt-lib.c } \
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{} \
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"libplt-lib.so" \
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] \
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[list \
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"Build libplt-main1.a" \
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"" \
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"-fPIC" \
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{ plt-main1.c } \
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{{readelf {-Wr} plt-main1.rd}} \
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"libplt-main1.a" \
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] \
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[list \
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"Build libplt-main2.a" \
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"" \
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"-fPIC" \
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{ plt-main2.c } \
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{{readelf {-Wr} plt-main2.rd}} \
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"libplt-main2.a" \
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] \
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[list \
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"Build libplt-main3.a" \
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"" \
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"-fPIC" \
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{ plt-main3.c } \
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{{readelf {-Wr} plt-main3.rd}} \
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"libplt-main3.a" \
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] \
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[list \
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"Build libplt-main4.a" \
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"" \
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"-fPIC" \
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{ plt-main4.c } \
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{{readelf {-Wr} plt-main4.rd}} \
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"libplt-main4.a" \
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] \
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[list \
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"Build plt-main" \
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"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
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tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
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"" \
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{ plt-main5.c } \
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{{readelf {-Wr} plt-main.rd}} \
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"plt-main" \
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] \
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[list \
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"Build plt-main with PIE" \
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"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
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tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
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"-fPIC" \
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{ plt-main5.c } \
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{{readelf {-Wr} plt-main.rd}} \
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"plt-main" \
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] \
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]
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run_ld_link_exec_tests [] [list \
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[list \
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"Run plt-main" \
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"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
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tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
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"" \
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{ plt-main5.c } \
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"plt-main" \
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"plt-main.out" \
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] \
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[list \
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"Run plt-main with PIE" \
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"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
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tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
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"" \
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{ plt-main5.c } \
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"plt-main-pie" \
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"plt-main.out" \
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"-fPIC" \
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] \
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]
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}
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