a3747075ae
Commit dd7e64d45b may optimize out
i386/x86-64 JUMP_SLOT relocation. If there is no JUMP_SLOT relocation
left, we don't need to the first .plt entry. This patch allocates
space for the first .plt entry only if we also reserve space for a PLT
slot for JUMP_SLOT relocation.
bfd/
* elf32-i386.c (elf_i386_allocate_dynrelocs): Allocate space
for the first .plt entry only if needed.
* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.
ld/testsuite/
* ld-i386/i386.exp: Run pltgot-1 for Linux targets.
* ld-x86-64/x86-64.exp: Likewise.
* ld-i386/pltgot-1.d: New file.
* ld-i386/pltgot-1.s: Likewise.
* ld-x86-64/pltgot-1.d: Likewise.
* ld-x86-64/pltgot-1.s: Likewise.
552 lines
16 KiB
Text
552 lines
16 KiB
Text
# Expect script for ld-x86_64 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 x86_64 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 "x86_64-*-elf*"]
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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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if [istarget "*-*-nacl*"] {
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set emul "elf_x86_64_nacl"
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} else {
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set emul "elf_x86_64"
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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 x86_64tests {
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{"Helper shared library (basic PLT test)"
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"-shared -melf_x86_64" "" "--64" {pltlib.s} {} "libpltlib.so"}
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{"basic PLT generation"
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"-melf_x86_64 tmpdir/libpltlib.so" "" "--64" {plt.s}
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{{objdump -drj.plt plt.pd}} "plt"}
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{"TLS -fpic -shared transitions"
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"-shared -melf_x86_64 --no-ld-generated-unwind-info" ""
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"--64" {tlspic1.s tlspic2.s}
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{{readelf -WSsrl 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_x86_64 --no-ld-generated-unwind-info" ""
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"--64" {tlsdesc.s tlspic2.s}
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{{readelf -WSsrld 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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{objdump -drj.plt tlsdesc.pd}} "libtlsdesc.so"}
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{"Helper shared library" "-shared -melf_x86_64" ""
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"--64" {tlslib.s} {} "libtlslib.so"}
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{"TLS -fpic and -fno-pic exec transitions"
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"-melf_x86_64 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
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"--64" {tlsbinpic.s tlsbin.s}
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{{readelf -WSsrl 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_x86_64 tmpdir/libtlslib.so --no-ld-generated-unwind-info" ""
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"--64" {tlsbindesc.s tlsbin.s}
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{{readelf -WSsrl 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 with global dynamic and descriptors"
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"-shared -melf_x86_64 --no-ld-generated-unwind-info" ""
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"--64" {tlsgdesc.s}
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{{readelf -WSsrl tlsgdesc.rd} {objdump -drj.text tlsgdesc.dd}}
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"libtlsgdesc.so"}
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{"TLS in debug sections" "-melf_x86_64" ""
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"--64" {tlsg.s}
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{{objdump -sj.debug_foobar tlsg.sd}} "tlsg"}
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{"TLS GD->LE transition" "-melf_x86_64" ""
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"--64" {tlsgd1.s}
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{{objdump -dwr tlsgd1.dd}} "tlsgd1"}
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{"TLS LD->LE transition" "-melf_x86_64" ""
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"--64" {tlsld1.s}
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{{objdump -dwr tlsld1.dd}} "tlsld1"}
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{"TLS IE->LE transition" "-melf_x86_64" ""
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"--64" {tlsie1.s}
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{{objdump -dwr tlsie1.dd}} "tlsie1"}
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{"Helper 64bit object 1" "-r -melf_x86_64" ""
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"--64" {mixed1a.s} {} "libmixe1a.o"}
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{"Helper 32bit object 1" "-r -melf_i386" ""
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"--32" {mixed1b.s} {} "libmixe1b.o"}
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{"Helper 64bit object 2" "-r -melf_x86_64" ""
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"--64" {mixed2a.s} {} "libmixe2a.o"}
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{"Helper 32bit object 2" "-r -melf_i386" ""
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"--32" {mixed2b.s} {} "libmixe2b.o"}
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{"Split by file with 'l' flag on section."
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"-split-by-file -r -melf_x86_64" ""
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"--64" {split-by-file1.s split-by-file2.s}
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{{readelf -SW split-by-file.rd}} "split-by-file.o"}
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{"TLS X32 IE->LE transition" "-melf32_x86_64" ""
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"--x32" {tlsie4.s}
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{{objdump -dwr tlsie4.dd}} "tlsie4"}
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{"TLS X32 GD->LE transition" "-melf32_x86_64" ""
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"--x32" {tlsgd4.s}
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{{objdump -dwr tlsgd4.dd}} "tlsgd4"}
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{"Helper TLS GD->IE transition DSO" "-shared -melf_x86_64" ""
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"--64" {tlsgd5b.s} {} "libtlsgd5.so"}
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{"TLS GD->IE transition" "-melf_x86_64 tmpdir/libtlsgd5.so" ""
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"--64" {tlsgd5a.s}
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{{objdump -dwr tlsgd5.dd}} "tlsgd5"}
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{"Helper TLS X32 GD->IE transition DSO" "-shared -melf32_x86_64" ""
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"--x32" {tlsgd6b.s} {} "libtlsgd6.so"}
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{"TLS X32 GD->IE transition" "-melf32_x86_64 tmpdir/libtlsgd6.so" ""
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"--x32" {tlsgd6a.s}
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{{objdump -dwr tlsgd6.dd}} "tlsgd6"}
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{"TLS X32 LD->LE transition" "-melf32_x86_64" ""
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"--x32" {tlsld2.s}
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{{objdump -dwr tlsld2.dd}} "tlsld2"}
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{"TLS -mcmodel=large GD->LE transition" "-melf_x86_64" ""
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"--64" {tlsgd7.s}
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{{objdump -dwr tlsgd7.dd}} "tlsgd7"}
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{"TLS -mcmodel=large LD->LE transition" "-melf_x86_64" ""
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"--64" {tlsld3.s}
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{{objdump -dwr tlsld3.dd}} "tlsld3"}
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{"TLS -mcmodel=large GD->IE transition" "-melf_x86_64 tmpdir/libtlsgd5.so" ""
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"--64" {tlsgd8.s}
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{{objdump -dwrj.text tlsgd8.dd}} "tlsgd8"}
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{"build 32-bit object with 33 locals" "-melf_x86_64 -e 0" "" "--32" {32bit.s} {{ ld incompatible.l }} "dummy" }
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{"build 64-bit object" "-melf_x86_64 -e 0 --defsym foo=1" "" "--64" {64bit.s} {} "dummy" }
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{"link mixed objects" "-melf_x86_64 -e 0 tmpdir/32bit.o tmpdir/64bit.o" "" "" {} { { ld incompatible.l } } "mixed"}
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{"PR ld/17313 (1)" "-melf_x86_64" ""
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"--64" {dummy.s} {} ""}
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{"PR ld/17313 (2)" "-melf_x86_64 -shared --just-symbols=tmpdir/dummy.o" ""
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"--64" {lea1.s} {} "libpr17313.so"}
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{"PR ld/17306 (1)" "-melf_x86_64" ""
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"--64" {pr17306b.s} {} ""}
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{"PR ld/17306 (2)" "-melf_x86_64 -shared -Bsymbolic --just-symbols=tmpdir/pr17306b.o" ""
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"--64" {pr17306a.s} {} "libpr17306.so"}
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{"PR ld/17709 (1)" "-melf_x86_64 -shared" ""
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"--64" {pr17709a.s} {} "libpr17709.so"}
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{"PR ld/17709 (2)" "-melf_x86_64 tmpdir/libpr17709.so" ""
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"--64" {pr17709b.s} {{readelf -rW pr17709.rd}} "pr17709"}
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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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set emul elf_x86_64_nacl
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set lhs {elf(32)?_(i386|x86_64)[[:>:]]}
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set rhs {&_nacl}
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# Change all the -melf_x86_64 to -melf_x86_64_nacl so linking can succeed.
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regsub -all -- $lhs $x86_64tests $rhs x86_64tests
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# Same, applied to all the run_dump_test cases.
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set options_regsub(ld) [list $lhs $rhs]
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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} $x86_64tests {\1-nacl.rd} x86_64tests
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# Likewise for PLTs.
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regsub -all -- {([a-z0-9]+)\.pd} $x86_64tests {\1-nacl.pd} x86_64tests
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} else {
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set emul elf_x86_64
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}
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run_ld_link_tests $x86_64tests
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global link_output
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global ld
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set test_name "Mixed x86_64 and i386 input test 1"
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set test mixed1
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if { ![ld_simple_link $ld tmpdir/$test "-m$emul tmpdir/${test}a.o tmpdir/${test}b.o"] } {
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if [string match "*i386* architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64* output*" $link_output] {
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pass "$test_name"
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} {
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fail "$test_name"
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}
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}
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set test_name "Mixed x86_64 and i386 input test 2"
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set test mixed2
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if { ![ld_simple_link $ld tmpdir/$test "-m$emul tmpdir/${test}a.o tmpdir/${test}b.o"] } {
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if [string match "*i386* architecture of input file `tmpdir/${test}b.o' is incompatible with i386:x86-64* output*" $link_output] {
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pass "$test_name"
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} {
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fail "$test_name"
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}
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}
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run_dump_test "abs"
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run_dump_test "abs-l1om"
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run_dump_test "pcrel8"
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run_dump_test "pcrel16"
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run_dump_test "tlsgd2"
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run_dump_test "tlsgd3"
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run_dump_test "tlsie2"
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run_dump_test "tlsie3"
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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 "hidden4"
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run_dump_test "hidden5"
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run_dump_test "protected1"
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run_dump_test "protected2"
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run_dump_test "protected2-l1om"
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run_dump_test "protected3"
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run_dump_test "protected3-l1om"
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run_dump_test "protected4"
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run_dump_test "protected5"
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run_dump_test "protected6a"
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run_dump_test "protected6b"
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run_dump_test "protected7a"
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run_dump_test "protected7b"
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run_dump_test "tlsle1"
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run_dump_test "tlspie1"
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run_dump_test "unique1"
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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 "pr13947"
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run_dump_test "pr12570a"
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run_dump_test "pr12570b"
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run_dump_test "pr14215"
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run_dump_test "pr14207"
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run_dump_test "gotplt1"
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run_dump_test "pie1"
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if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
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return
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}
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if ![ld_assemble $as "--x32 $srcdir/$subdir/start.s" tmpdir/startx32.o] {
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unresolved "Build ILP32 start.o"
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return
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}
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if ![ld_assemble $as "--32 $srcdir/$subdir/start.s" tmpdir/start32.o] {
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unresolved "Build ia32 start.o"
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return
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}
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if ![ld_assemble $as "--64 $srcdir/$subdir/start.s" tmpdir/start64.o] {
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unresolved "Build LP64 start.o"
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return
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}
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if ![ld_assemble $as "--x32 $srcdir/$subdir/foo.s" tmpdir/foox32.o] {
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unresolved "Build ILP32 foo.o"
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return
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}
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if ![ld_assemble $as "--32 $srcdir/$subdir/foo.s" tmpdir/foo32.o] {
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unresolved "Build ia32 foo.o"
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return
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}
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if ![ld_assemble $as "--64 $srcdir/$subdir/foo.s" tmpdir/foo64.o] {
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unresolved "Build LP64 foo.o"
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return
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}
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run_dump_test "compressed1"
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run_dump_test "ilp32-1"
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run_dump_test "ilp32-2"
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run_dump_test "ilp32-3"
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run_dump_test "ilp32-4"
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run_dump_test "ilp32-4-nacl"
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run_dump_test "ilp32-5"
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run_dump_test "ilp32-6"
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run_dump_test "ilp32-7"
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run_dump_test "ilp32-8"
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run_dump_test "ilp32-9"
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run_dump_test "ilp32-10"
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run_dump_test "ilp32-11"
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run_dump_test "ia32-1"
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run_dump_test "ia32-2"
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run_dump_test "ia32-3"
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run_dump_test "lp64-1"
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run_dump_test "lp64-2"
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run_dump_test "lp64-3"
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run_dump_test "pr13082-1a"
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run_dump_test "pr13082-1b"
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run_dump_test "pr13082-2a"
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run_dump_test "pr13082-2b"
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run_dump_test "pr13082-3a"
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run_dump_test "pr13082-3b"
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run_dump_test "pr13082-4a"
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run_dump_test "pr13082-4b"
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run_dump_test "pr13082-5a"
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run_dump_test "pr13082-5b"
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run_dump_test "pr13082-6a"
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run_dump_test "pr13082-6b"
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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 "lea1g"
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run_dump_test "lea1h"
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run_dump_test "lea1i"
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run_dump_test "lea1j"
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run_dump_test "lea1k"
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run_dump_test "lea1l"
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run_dump_test "mov1a"
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run_dump_test "mov1b"
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run_dump_test "mov1c"
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run_dump_test "mov1d"
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run_dump_test "pr17935-1"
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run_dump_test "pr17935-2"
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run_dump_test "pr18160"
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run_dump_test "pr18176"
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# Must be native with the C compiler
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if { [isnative] && [which $CC] != 0 } {
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run_cc_link_tests {
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{"Helper X32 DSO from x86-64 object" "" "-m64 -fPIC -g"
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{simple.c} {} "libsimple.a"}
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}
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set convertx32 "$objcopy -O elf32-x86-64 tmpdir/simple.o tmpdir/simple-x32.o"
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send_log "$convertx32\n"
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set got [remote_exec host "$convertx32"]
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if { [lindex $got 0] != 0 || ![string match "" [lindex $got 1]] } then {
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send_log "$got\n"
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fail "Convert x86-64 object to x32"
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return
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}
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run_ld_link_tests {
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{"X32 DSO from x86-64 object"
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"-shared -melf32_x86_64 tmpdir/simple-x32.o" "" "--x32"
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{dummy.s} {{readelf {-s --wide} x86-64-x32.rd}} "x86-64-x32"}
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}
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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}} \
|
|
"libplt-main4.a" \
|
|
] \
|
|
[list \
|
|
"Build plt-main" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
{{readelf {-Wr} plt-main.rd}} \
|
|
"plt-main" \
|
|
] \
|
|
[list \
|
|
"Build plt-main with PIE" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
|
|
"-fPIC" \
|
|
{ plt-main5.c } \
|
|
{{readelf {-Wr} plt-main.rd}} \
|
|
"plt-main" \
|
|
] \
|
|
[list \
|
|
"Build copyreloc-lib.so" \
|
|
"-shared" \
|
|
"-fPIC" \
|
|
{ copyreloc-lib.c } \
|
|
{} \
|
|
"copyreloc-lib.so" \
|
|
] \
|
|
[list \
|
|
"Build copyreloc-main with PIE without -fPIE (1)" \
|
|
"tmpdir/copyreloc-lib.so -pie" \
|
|
"" \
|
|
{ copyreloc-main.S } \
|
|
{{readelf {-Wr} copyreloc-main1.rd}} \
|
|
"copyreloc-main" \
|
|
] \
|
|
[list \
|
|
"Build copyreloc-main with PIE without -fPIE (2)" \
|
|
"tmpdir/copyreloc-lib.so -pie" \
|
|
"" \
|
|
{ copyreloc-main.S } \
|
|
{{readelf {-Wr} copyreloc-main2.rd}} \
|
|
"copyreloc-main" \
|
|
] \
|
|
[list \
|
|
"Build pr17689.so" \
|
|
"-shared" \
|
|
"-fPIC" \
|
|
{ pr17689a.c } \
|
|
{} \
|
|
"pr17689.so" \
|
|
] \
|
|
[list \
|
|
"Build pr17689 with PIE without -fPIE" \
|
|
"tmpdir/pr17689.so -pie" \
|
|
"" \
|
|
{ pr17689b.S } \
|
|
{{readelf {-Wr} pr17689.rd}} \
|
|
"pr17689" \
|
|
] \
|
|
[list \
|
|
"Build pr17827 with PIE without -fPIE" \
|
|
"tmpdir/pr17689.so -pie" \
|
|
"" \
|
|
{ pr17689b.S } \
|
|
{{readelf {-Wr} pr17827.rd}} \
|
|
"pr17827" \
|
|
] \
|
|
]
|
|
|
|
run_ld_link_exec_tests [] [list \
|
|
[list \
|
|
"Run plt-main" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
"plt-main" \
|
|
"plt-main.out" \
|
|
] \
|
|
[list \
|
|
"Run plt-main with PIE" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -pie" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
"plt-main-pie" \
|
|
"plt-main.out" \
|
|
"-fPIC" \
|
|
] \
|
|
[list \
|
|
"Run copyreloc-main with PIE without -fPIE" \
|
|
"tmpdir/copyreloc-lib.so -pie" \
|
|
"" \
|
|
{ copyreloc-main.S } \
|
|
"copyreloc-main" \
|
|
"copyreloc-main.out" \
|
|
] \
|
|
[list \
|
|
"Run pr17689 with PIE without -fPIE" \
|
|
"tmpdir/pr17689.so -pie" \
|
|
"" \
|
|
{ pr17689b.S } \
|
|
"pr17689" \
|
|
"pr17689.out" \
|
|
] \
|
|
]
|
|
|
|
if { [istarget "x86_64-*-linux*"] \
|
|
&& ![istarget "x86_64-*-linux*-gnux32"]} {
|
|
|
|
run_cc_link_tests [list \
|
|
[list \
|
|
"Build plt-main with -z bndplt" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
{{objdump {-drw} plt-main-bnd.dd}} \
|
|
"plt-main-bnd" \
|
|
] \
|
|
[list \
|
|
"Build plt-main with PIE and -z bndplt" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt -pie" \
|
|
"-fPIC" \
|
|
{ plt-main5.c } \
|
|
{{objdump {-drw} plt-main-bnd.dd}} \
|
|
"plt-main-pie-bnd" \
|
|
] \
|
|
]
|
|
|
|
run_ld_link_exec_tests [] [list \
|
|
[list \
|
|
"Run plt-main with -z bndplt" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
"plt-main-bnd" \
|
|
"plt-main.out" \
|
|
] \
|
|
[list \
|
|
"Run plt-main with PIE and -z bndplt" \
|
|
"tmpdir/plt-main1.o tmpdir/plt-main2.o tmpdir/plt-main3.o \
|
|
tmpdir/plt-main4.o tmpdir/libplt-lib.so -z bndplt -pie" \
|
|
"" \
|
|
{ plt-main5.c } \
|
|
"plt-main-pie-bnd" \
|
|
"plt-main.out" \
|
|
"-fPIC" \
|
|
] \
|
|
]
|
|
}
|
|
}
|
|
|
|
if { ![istarget "x86_64-*-linux*"]} {
|
|
return
|
|
}
|
|
|
|
# Linux only tests
|
|
run_dump_test "pr17618"
|
|
run_dump_test "pltgot-1"
|