738e53487d
* reloc.c (BFD_RELOC_MIPS16_GOT16, BFD_RELOC_MIPS16_CALL16): Declare. * libbfd.h, bfd-in2.h: Regenerate. * elf32-mips.c (elf_mips16_howto_table_rel): Fill in reserved R_MIPS16_GOT16 and R_MIPS16_CALL16 entries. (mips16_reloc_map): Add mappings. * elf64-mips.c (mips16_elf64_howto_table_rel): Fill in reserved R_MIPS16_GOT16 and R_MIPS16_CALL16 entries. (mips16_elf64_howto_table_rela): Likewise. (mips16_reloc_map): Add mappings. * elfn32-mips.c (elf_mips16_howto_table_rel): Fill in reserved R_MIPS16_GOT16 and R_MIPS16_CALL16 entries. (elf_mips16_howto_table_rela): Likewise. (mips16_reloc_map): Add mappings. * elfxx-mips.c (mips_elf_create_shadow_symbol): New function. (section_allows_mips16_refs_p): Likewise. (mips16_stub_symndx): Likewise. (mips_elf_check_mips16_stubs): Treat the data argument as a bfd_link_info. Mark every dynamic symbol as needing MIPS16 stubs and create a "shadow" symbol for the original MIPS16 definition. (mips16_reloc_p, got16_reloc_p, call16_reloc_p, hi16_reloc_p) (lo16_reloc_p, mips16_call_reloc_p): New functions. (_bfd_mips16_elf_reloc_unshuffle): Use mips16_reloc_p to generalize relocation checks. (_bfd_mips16_elf_reloc_shuffle): Likewise. (_bfd_mips_elf_lo16_reloc): Handle R_MIPS16_GOT16. (mips_elf_got16_entry): Add comment. (mips_elf_calculate_relocation): Use hi16_reloc_p, lo16_reloc_p, mips16_call_reloc_p, call16_reloc_p and got16_reloc_p to generalize relocation checks. Use section_allows_mips16_refs_p instead of mips16_stub_section_p. Handle R_MIPS16_CALL16 and R_MIPS16_GOT16, allowing the former to refer directly to a MIPS16 function if its stub is not needed. (mips16_stub_section_p): Delete. (_bfd_mips_elf_symbol_processing): Convert odd-valued function symbols into even MIPS16 symbols. (mips_elf_add_lo16_rel_addend): Use mips16_reloc_p to generalize a relocation check. (_bfd_mips_elf_check_relocs): Calculate "bed" and "rel_end" earlier in the function. Use mips16_stub_symndx to identify the target function. Avoid out-of-bounds accesses when the stub has no relocations; report an error instead. Use section_allows_mips16_refs_p instead of mips16_stub_section_p. Use mips16_call_reloc_p and got16_reloc_p to generalize relocation checks. Handle R_MIPS16_CALL16 and R_MIPS16_GOT16. Don't create dynamic relocations for absolute references to __gnu_local_gp. (_bfd_mips_elf_always_size_sections): Pass a bfd_link_info as the argument to mips_elf_check_mips16_stubs. Generalize comment. (_bfd_mips_elf_relocate_section): Use hi16_reloc_p and got16_reloc_p to generalize relocation checks. (_bfd_mips_elf_finish_dynamic_symbol): If a dynamic MIPS16 function symbol has a non-MIPS16 stub, redirect the symbol to the stub. Fix an overly long line. Don't give dynamic symbols type STO_MIPS16. (_bfd_mips_elf_gc_sweep_hook): Handle R_MIPS16_CALL16 and R_MIPS16_GOT16. gas/ * config/tc-mips.c (mips16_reloc_p, got16_reloc_p, hi16_reloc_p) (lo16_reloc_p): New functions. (reloc_needs_lo_p): Use hi16_reloc_p and got16_reloc_p to generalize relocation checks. (matching_lo_reloc): New function. (fixup_has_matching_lo_p): Use it. (mips16_mark_labels): Don't clobber a symbol's visibility. (append_insn): Use hi16_reloc_p and lo16_reloc_p. (mips16_ip): Handle BFD_RELOC_MIPS16_GOT16 and BFD_RELOC_MIPS16_CALL16. (md_apply_fix): Likewise. (mips16_percent_op): Add %got and %call16. (mips_frob_file): Use got16_reloc_p to generalize relocation checks. Use matching_lo_reloc. (mips_force_relocation): Use hi16_reloc_p and lo16_reloc_p to generalize relocation checks. (mips_fix_adjustable): Use lo16_reloc_p to generalize relocation checks. gas/testsuite/ * gas/mips/elf-rel8-mips16.d, gas/mips/elf-rel8-mips16.s, * gas/mips/elf-rel9-mips16.d, gas/mips/elf-rel9-mips16.s, * gas/mips/elf-rel13-mips16.d, gas/mips/elf-rel13-mips16.s: New tests. * gas/mips/mips.exp: Run them. ld/testsuite/ * ld-mips-elf/mips16-local-stubs-1.d: Remove stub_for_h3, which was only referenced by the .pdr section, and was not actually needed by code. * ld-mips-elf/mips16-intermix.d: Remove unused static function stubs. * ld-mips-elf/mips16-pic-1a.s, ld-mips-elf/mips16-pic-1b.s, ld-mips-elf/mips16-pic-1-dummy.s, ld-mips-elf/mips16-pic-1.dd, ld-mips-elf/mips16-pic-1.gd, ld-mips-elf/mips16-pic-1.inc, ld-mips-elf/mips16-pic-1.ld, ld-mips-elf/mips16-pic-2a.s, ld-mips-elf/mips16-pic-2b.s, ld-mips-elf/mips16-pic-2.ad, ld-mips-elf/mips16-pic-2.dd, ld-mips-elf/mips16-pic-2.gd, ld-mips-elf/mips16-pic-2.nd, ld-mips-elf/mips16-pic-2.rd: New tests. * ld-mips-elf/mips-elf.exp: Run them.
364 lines
12 KiB
Text
364 lines
12 KiB
Text
# Expect script for MIPS ELF linker tests
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# Copyright 2002, 2003, 2004, 2005, 2007 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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if {[istarget "mips*-*-vxworks"]} {
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set mipsvxtests {
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{"VxWorks shared library test 1" "-shared -Tvxworks1.ld"
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"-mips2" {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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"-mips2" {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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"-mips2" {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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"-mips2" {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 $mipsvxtests
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run_dump_test "vxworks1-static"
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run_dump_test "vxworks-forced-local-1"
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return
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}
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if {![istarget mips*-*-*] || ![is_elf_format]} {
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return
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}
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set has_newabi [expr [istarget *-*-irix6*] || [istarget mips64*-*-linux*]]
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set linux_gnu [expr [istarget mips*-*-linux*]]
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set embedded_elf [expr [istarget mips*-*-elf]]
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if { $linux_gnu } {
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run_ld_link_tests [list \
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[list "Dummy shared library for MIPS16 PIC test 1" \
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"-shared -melf32btsmip" \
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"-EB -32" { mips16-pic-1-dummy.s } \
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{} \
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"mips16-pic-1-dummy.so"] \
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[list "MIPS16 PIC test 1" \
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"-melf32btsmip -T mips16-pic-1.ld tmpdir/mips16-pic-1-dummy.so" \
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"-EB -32 -I $srcdir/$subdir" { mips16-pic-1a.s mips16-pic-1b.s } \
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{ { objdump { -dr -j.text } mips16-pic-1.dd }
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{ readelf -A mips16-pic-1.gd } } \
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"mips16-pic-1"] \
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[list "MIPS16 PIC test 2" \
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"-melf32btsmip -T mips16-pic-1.ld -shared" \
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"-EB -32 -I $srcdir/$subdir" { mips16-pic-2a.s mips16-pic-2b.s } \
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{ { objdump { -dr -j.text } mips16-pic-2.dd } \
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{ readelf -A mips16-pic-2.gd } \
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{ readelf --symbols mips16-pic-2.nd } \
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{ readelf --relocs mips16-pic-2.rd } \
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{ readelf -d mips16-pic-2.ad } } \
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"mips16-pic-2"]]
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}
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if { [istarget mips64*-linux-gnu] } {
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set o32_as_flags "-32 -EB"
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set o32_ld_flags "-melf32btsmip"
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} else {
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set o32_as_flags ""
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set o32_ld_flags ""
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}
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# Check MIPS16 markings being passed through link.
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run_dump_test "mips16-1"
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# MIPS branch offset final link checking.
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run_dump_test "branch-misc-1"
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# Test multi-got link. We only do this on GNU/Linux because it requires
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# the "traditional" emulations.
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if { $linux_gnu } {
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run_dump_test "multi-got-1"
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run_dump_test "multi-got-no-shared"
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run_dump_test "multi-got-hidden-1"
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run_dump_test "multi-got-hidden-2"
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}
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# Test __gnu_local_gp accesses
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if { $linux_gnu } {
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run_dump_test "no-shared-1-o32"
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if { $has_newabi } {
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run_dump_test "no-shared-1-n32"
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run_dump_test "no-shared-1-n64"
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}
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}
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if $has_newabi {
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run_dump_test "elf-rel-got-n32"
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run_dump_test "elf-rel-xgot-n32"
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if { $linux_gnu } {
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run_dump_test "elf-rel-got-n64-linux"
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run_dump_test "elf-rel-xgot-n64-linux"
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} else {
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run_dump_test "elf-rel-got-n64"
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run_dump_test "elf-rel-xgot-n64"
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}
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run_dump_test "relax-jalr-n32"
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run_dump_test "relax-jalr-n32-shared"
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run_dump_test "relax-jalr-n64"
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run_dump_test "relax-jalr-n64-shared"
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}
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if { $linux_gnu } {
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run_dump_test "rel32-o32"
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run_dump_test "rel32-n32"
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run_dump_test "rel64"
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}
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if { $embedded_elf } {
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run_dump_test "region1"
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}
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if $embedded_elf {
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# This could work on other targets too, but would need the appropriate
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# ld -m switch.
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run_dump_test "reloc-1-rel"
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}
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if $has_newabi {
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run_dump_test "reloc-1-n32"
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if $linux_gnu {
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# Uses a linux-specific ld -m switch
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run_dump_test "reloc-1-n64"
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}
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}
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run_dump_test "reloc-2"
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run_dump_test "reloc-merge-lo16"
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run_dump_test "reloc-3"
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if {$has_newabi} {
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run_dump_test "reloc-3-n32"
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}
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run_dump_test "reloc-4"
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run_dump_test "reloc-5"
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if {$has_newabi && $linux_gnu} {
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run_dump_test "eh-frame1-n32"
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run_dump_test "eh-frame1-n64"
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run_dump_test "eh-frame2-n32"
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run_dump_test "eh-frame2-n64"
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}
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if {$embedded_elf} {
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run_dump_test "eh-frame3"
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run_dump_test "eh-frame4"
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}
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run_dump_test "jaloverflow"
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run_dump_test "jaloverflow-2"
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if {$has_newabi} {
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run_dump_test "jalbal"
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}
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run_dump_test "mips16-hilo"
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if {$has_newabi} {
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run_dump_test "mips16-hilo-n32"
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}
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if { $linux_gnu } {
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run_dump_test "textrel-1"
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run_dump_test "got-page-1"
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if $has_newabi {
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run_dump_test "got-page-2"
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run_dump_test "dyn-sec64"
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}
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run_dump_test "got-page-3"
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run_dump_test "got-dump-1"
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if $has_newabi {
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run_dump_test "got-dump-2"
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}
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}
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if $has_newabi {
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run_dump_test "emit-relocs-1"
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}
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run_dump_test "hash1a"
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run_dump_test "hash1b"
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run_dump_test "hash1c"
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if {[istarget mips*-*-linux*]} {
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# The number of symbols that are always included in the symbol table
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# for these tests. The 4 are:
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#
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# the null symbol entry
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# the .MIPS.stubs section symbol
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# _gp
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# _GLOBAL_OFFSET_TABLE_
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set base_syms 4
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foreach dynsym { 7fff 8000 fff0 10000 2fe80 } {
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run_ld_link_tests \
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[list [list \
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"Stub for dynsym 0x$dynsym" \
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"-shared -melf32btsmip -T stub-dynsym-1.ld" \
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[concat \
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"-EB -march=mips1 -32 -KPIC" \
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"--defsym base_syms=$base_syms" \
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"--defsym dynsym=0x$dynsym"] \
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[list "stub-dynsym-1.s"] \
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[list [list \
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"objdump" "-dz" \
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"stub-dynsym-1-$dynsym.d"]] \
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"stub-dynsym-1-$dynsym"]]
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}
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}
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# For tests which may involve multiple files, use run_ld_link_tests.
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# List contains test-items with 3 items followed by 2 lists:
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# 0:name 1:ld options 2:assembler options
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# 3:filenames of assembler files 4: action and options. 5: 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 mips_tls_tests {
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{"Static executable with TLS" "-static -melf32btsmip -T mips-dyn.ld"
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"-EB -march=mips1 -32 -KPIC" {tlsbin-o32.s}
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{{objdump {-dr -m mips:isa32r2} tlsbin-o32.d} {objdump -srj.got tlsbin-o32.got}}
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"tls-static-o32"}
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{"Shared library with TLS" "-shared -melf32btsmip -T mips-lib.ld"
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"-EB -march=mips1 -32 -KPIC" {tlslib-o32.s}
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{{objdump {-dr -m mips:isa32r2} tlslib-o32.d} {objdump -Rsj.got tlslib-o32.got}}
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"tlslib-o32.so"}
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{"Dynamic executable with TLS"
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"-melf32btsmip -T mips-dyn.ld tmpdir/tlslib-o32.so"
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"-EB -march=mips1 -32 -KPIC" {tlsdyn-o32.s}
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{{objdump {-dr -m mips:isa32r2} tlsdyn-o32.d} {objdump -Rsj.got tlsdyn-o32.got}}
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"tls-dynamic-o32"}
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{"Shared library with multiple GOTs and TLS"
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"-shared -melf32btsmip -T mips-lib.ld"
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"-EB -march=mips1 -32 -KPIC" {tls-multi-got-1-1.s tls-multi-got-1-2.s}
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{{readelf {-d -r} tls-multi-got-1.r}
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{objdump {-dr -m mips:isa32r2} tls-multi-got-1.d}
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{objdump -Rsj.got tls-multi-got-1.got}}
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"tlslib-multi.so"}
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{"Shared library with TLS and versioning"
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"-shared -melf32btsmip -T mips-lib.ld --version-script tlslib.ver"
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"-EB -march=mips1 -32 -KPIC" {tlslib-o32.s}
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{{objdump {-dr -m mips:isa32r2} tlslib-o32.d} {objdump -Rsj.got tlslib-o32-ver.got}}
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"tlslib-o32-ver.so"}
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{"Dynamic executable with TLS and versioning"
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"-melf32btsmip -T mips-dyn.ld tmpdir/tlslib-o32-ver.so"
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"-EB -march=mips1 -32 -KPIC" {tlsdyn-o32.s tlsdyn-o32-2.s}
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{{objdump {-dr -m mips:isa32r2} tlsdyn-o32-1.d} {objdump -Rsj.got tlsdyn-o32-1.got}}
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"tls-dynamic-o32-ver"}
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{"Dynamic executable with TLS and versioning (order 2)"
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"-melf32btsmip -T mips-dyn.ld tmpdir/tlsdyn-o32.o tmpdir/tlslib-o32-ver.so tmpdir/tlsdyn-o32-2.o"
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"-EB -march=mips1 -32 -KPIC" {}
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{{objdump {-dr -m mips:isa32r2} tlsdyn-o32-2.d} {objdump -Rsj.got tlsdyn-o32-2.got}}
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"tls-dynamic-o32-ver-2"}
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{"Dynamic executable with TLS and versioning (order 3)"
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"-melf32btsmip -T mips-dyn.ld tmpdir/tlsdyn-o32-2.o tmpdir/tlslib-o32-ver.so tmpdir/tlsdyn-o32.o"
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"-EB -march=mips1 -32 -KPIC" {}
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{{objdump {-dr -m mips:isa32r2} tlsdyn-o32-3.d} {objdump -Rsj.got tlsdyn-o32-3.got}}
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"tls-dynamic-o32-ver-3"}
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{"Shared library with TLS and hidden symbols"
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"-shared -melf32btsmip -T mips-lib.ld --version-script tlslib-hidden.ver"
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"-EB -march=mips1 -32 -KPIC" {tlslib-o32.s}
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{{objdump {-dr -m mips:isa32r2} tlslib-o32.d} {objdump -Rsj.got tlslib-o32-hidden.got}}
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"tlslib-o32-hidden.so"}
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{"Shared library with TLS and hidden symbols (2)"
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"-shared -melf32btsmip -T mips-lib.ld"
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"-EB -march=mips1 -32 -KPIC" {tls-hidden2a.s tls-hidden2b.s}
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{{objdump -drj.text tls-hidden2.d} {objdump -sj.got tls-hidden2-got.d}}
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"tls-hidden2.so"}
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{"Shared library with TLS and hidden symbols (3)"
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"-shared -melf32btsmip -T tls-hidden3.ld"
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"-EB -march=mips2 -32 -KPIC" {tls-hidden3a.s tls-hidden3b.s}
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{{objdump -dj.text tls-hidden3.d} {objdump -sj.got tls-hidden3.got}
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{readelf --relocs tls-hidden3.r}}
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"tls-hidden3.so"}
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{"Shared library with TLS and hidden symbols (4)"
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"-shared -melf32btsmip -T tls-hidden3.ld"
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"-EB -march=mips2 -32 -KPIC" {tls-hidden4a.s tls-hidden4b.s}
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{{objdump -sj.got tls-hidden4.got} {readelf --relocs tls-hidden4.r}}
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"tls-hidden4.so"}
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}
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if {[istarget mips*-*-linux*]} {
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run_ld_link_tests $mips_tls_tests
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}
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set mips16_call_global_test [list \
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[list "Global calls from mips16" \
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"$o32_ld_flags" \
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"$o32_as_flags -mips32r2" \
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{mips16-call-global-1.s mips16-call-global-2.s mips16-call-global-3.s} \
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{{objdump -dr mips16-call-global.d}} \
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"mips16-call-global"]]
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|
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run_ld_link_tests $mips16_call_global_test
|
|
|
|
set mips16_intermix_test [list \
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|
[list "Intermixing mips32 and mips16 functions" \
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|
"$o32_ld_flags" \
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|
"$o32_as_flags -mips32r2" \
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|
{mips16-intermix-1.s mips16-intermix-2.s} \
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|
{{objdump -t mips16-intermix.d}} \
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|
"mips16-intermix"]]
|
|
|
|
run_ld_link_tests $mips16_intermix_test
|
|
|
|
run_dump_test "mips16-local-stubs-1"
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|
|
|
run_dump_test "attr-gnu-4-00"
|
|
run_dump_test "attr-gnu-4-01"
|
|
run_dump_test "attr-gnu-4-02"
|
|
run_dump_test "attr-gnu-4-03"
|
|
run_dump_test "attr-gnu-4-04"
|
|
run_dump_test "attr-gnu-4-05"
|
|
run_dump_test "attr-gnu-4-10"
|
|
run_dump_test "attr-gnu-4-11"
|
|
run_dump_test "attr-gnu-4-12"
|
|
run_dump_test "attr-gnu-4-13"
|
|
run_dump_test "attr-gnu-4-14"
|
|
run_dump_test "attr-gnu-4-15"
|
|
run_dump_test "attr-gnu-4-20"
|
|
run_dump_test "attr-gnu-4-21"
|
|
run_dump_test "attr-gnu-4-22"
|
|
run_dump_test "attr-gnu-4-23"
|
|
run_dump_test "attr-gnu-4-24"
|
|
run_dump_test "attr-gnu-4-25"
|
|
run_dump_test "attr-gnu-4-30"
|
|
run_dump_test "attr-gnu-4-31"
|
|
run_dump_test "attr-gnu-4-32"
|
|
run_dump_test "attr-gnu-4-33"
|
|
run_dump_test "attr-gnu-4-34"
|
|
run_dump_test "attr-gnu-4-35"
|
|
run_dump_test "attr-gnu-4-40"
|
|
run_dump_test "attr-gnu-4-41"
|
|
run_dump_test "attr-gnu-4-42"
|
|
run_dump_test "attr-gnu-4-43"
|
|
run_dump_test "attr-gnu-4-44"
|
|
run_dump_test "attr-gnu-4-45"
|
|
run_dump_test "attr-gnu-4-51"
|