2005-03-23 Eric Christopher <echristo@redhat.com>
* elfxx-mips.c (MIPS_ELF_READONLY_SECTION): New.
(mips_elf_calculate_relocation): Use. Define DF_TEXTREL
after emitting relocation.
(_bfd_mips_elf_adjust_dynamic_symbol): Ditto.
(_bfd_mips_elf_check_relocs): Remove code to set DF_TEXTREL
and readonly_reloc.
ld/testsuite/ChangeLog:
2005-03-23 Eric Christopher <echristo@redhat.com>
* ld-mips-elf/textrel-1.s, ld-mips-elf/textrel-1.d: New
test.
* ld-mips-elf/mips-elf.exp: Call it.
* ld-mips-elf/rel32-n32.d: Update for DF_TEXTREL removal.
* ld-mips-elf/rel32-o32.d: Ditto.
* ld-mips-elf/rel64.d: Ditto.
* elfxx-mips.c (mips_elf_calculate_relocation): Handle special
'__gnu_local_gp' symbol used by gas -mno-shared.
gas/ChangeLog
* config/tc-mips.c (macro_build_lui): Use '__gnu_local_gp'
instead of '_gp' for -mno-shared optimization.
(s_cpload): Ditto.
(s_abicalls): Document it in the comment.
(md_show_usage): Document the -mno-shared option.
gas/testsuite/ChangeLog
* gas/mips/elf-rel23b.d: Use '__gnu_local_gp' instead of '_gp'
for -mno-shared optimization.
* gas/mips/elf-rel25a.d: Ditto.
ld/testsuite/ChangeLog
* ld-mips-elf/multi-got-no-shared-1.s,
ld-mips-elf/multi-got-no-shared-2.s,
ld-mips-elf/multi-got-no-shared.d: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
* ld-mips-elf/reloc-merge-lo16.d: Correct symbol
table size for __start.
2005-02-22 Eric Christopher <echristo@redhat.com>
* config/tc-mips.c (struct proc): Change isym to
func_sym. New member func_end_sym.
(s_mips_ent): Update.
(s_mips_end): Ditto. Add code to compute function size.
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>
* elf32-mips.c (elf_mips16_howto_table_rel): New array for MIPS16
reloc howtos. Add R_MIPS16_HI16 and R_MIPS16_LO16 relocs and
R_MIPS16_GOT16 and R_MIPS16_CALL16 placeholders.
(elf_mips16_jump_howto): Move into elf_mips16_howto_table_rel.
(elf_mips16_gprel_howto): Likewise. Redefine src_mask and
dst_mask.
(mips16_gprel_reloc): Remove bit shuffling; call
_bfd_mips16_elf_reloc_unshuffle(), _bfd_mips_elf_gprel16_with_gp()
and _bfd_mips16_elf_reloc_shuffle() instead.
(mips16_reloc_map): New reloc map for MIPS16 relocs.
(bfd_elf32_bfd_reloc_type_lookup): Use mips16_reloc_map for MIPS16
relocs.
(mips_elf32_rtype_to_howto): Fetch MIPS16 howtos from
elf_mips16_howto_table_rel.
* elf64-mips.c (mips16_elf64_howto_table_rel): New array for
MIPS16 REL reloc howtos. Add R_MIPS16_HI16 and R_MIPS16_LO16
relocs and R_MIPS16_GOT16 and R_MIPS16_CALL16 placeholders.
(elf_mips16_jump_howto): Move into mips16_elf64_howto_table_rel.
(elf_mips16_gprel_howto): Likewise. Redefine src_mask and
dst_mask.
(mips16_elf64_howto_table_rela): New array for MIPS16 RELA
reloc howtos. Add R_MIPS16_26, R_MIPS16_GPREL, R_MIPS16_HI16 and
R_MIPS16_LO16 relocs and R_MIPS16_GOT16 and R_MIPS16_CALL16
placeholders.
(mips16_gprel_reloc): Remove bit shuffling; call
_bfd_mips16_elf_reloc_unshuffle(), _bfd_mips_elf_gprel16_with_gp()
and _bfd_mips16_elf_reloc_shuffle() instead.
(mips16_reloc_map): New reloc map for MIPS16 relocs.
(bfd_elf64_bfd_reloc_type_lookup): Use mips16_reloc_map for MIPS16
relocs.
(mips_elf64_rtype_to_howto): Fetch MIPS16 howtos from
mips16_elf64_howto_table_rela or mips16_elf64_howto_table_rel.
* elfn32-mips.c (elf_mips16_howto_table_rel): New array for MIPS16
REL reloc howtos. Add R_MIPS16_HI16 and R_MIPS16_LO16 relocs and
R_MIPS16_GOT16 and R_MIPS16_CALL16 placeholders.
(elf_mips16_jump_howto): Move into elf_mips16_howto_table_rel.
(elf_mips16_gprel_howto): Likewise. Redefine src_mask and
dst_mask.
(mips16_gprel_reloc): Remove bit shuffling; call
_bfd_mips16_elf_reloc_unshuffle(), _bfd_mips_elf_gprel16_with_gp()
and _bfd_mips16_elf_reloc_shuffle() instead.
(mips16_reloc_map): New reloc map for MIPS16 relocs.
(bfd_elf32_bfd_reloc_type_lookup): Use mips16_reloc_map for MIPS16
relocs.
(mips_elf_n32_rtype_to_howto): Fetch MIPS16 howtos from
elf_mips16_howto_table_rela or elf_mips16_howto_table_rel.
* elfxx-mips.c (_bfd_mips16_elf_reloc_unshuffle): New function to
handle bit shuffling for MIPS16 relocs.
(_bfd_mips16_elf_reloc_shuffle): Likewise.
(_bfd_mips_elf_lo16_reloc): Use _bfd_mips16_elf_reloc_unshuffle()
and _bfd_mips16_elf_reloc_shuffle().
(_bfd_mips_elf_generic_reloc): Likewise.
(mips_elf_calculate_relocation): Likewise. Handle R_MIPS16_HI16
and R_MIPS16_LO16.
(mips_elf_obtain_contents): Remove bit shuffling.
(mips_elf_perform_relocation): Likewise; call
_bfd_mips16_elf_reloc_unshuffle() and _bfd_mips16_elf_reloc_shuffle()
instead.
(_bfd_mips_elf_relocate_section): Likewise. Handle R_MIPS16_HI16
and R_MIPS16_LO16.
* elfxx-mips.h (_bfd_mips16_elf_reloc_unshuffle): Declare.
(_bfd_mips16_elf_reloc_shuffle): Likewise.
* reloc.c (BFD_RELOC_MIPS16_HI16): New reloc.
(BFD_RELOC_MIPS16_HI16_S): Likewise.
(BFD_RELOC_MIPS16_LO16): Likewise.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
gas/:
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>
* config/tc-mips.c (reloc_needs_lo_p): Handle
BFD_RELOC_MIPS16_HI16_S.
(fixup_has_matching_lo_p): Handle BFD_RELOC_MIPS16_LO16.
(append_insn): Add BFD_RELOC_MIPS16_GPREL, BFD_RELOC_MIPS16_HI16_S
and BFD_RELOC_MIPS16_LO16 to relocs to suppress overflow
complaints on.
(mips16_ip): Resolve BFD_RELOC_MIPS16_HI16_S,
BFD_RELOC_MIPS16_HI16 and BFD_RELOC_MIPS16_LO16 for constants.
Call my_getSmallExpression() to parse percent operators.
(percent_op_match, mips_percent_op): Separate definitions.
(mips16_percent_op): Define percent operators for the MIPS16 mode.
(parse_relocation): Handle the MIPS16 mode using
mips16_percent_op.
(md_apply_fix3): Handle BFD_RELOC_MIPS16_HI16,
BFD_RELOC_MIPS16_HI16_S and BFD_RELOC_MIPS16_LO16.
gas/testsuite/:
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>
* gas/mips/mips16-hilo.d: New test for the R_MIPS16_HI16 and
R_MIPS16_LO16 relocs.
* gas/mips/mips16-hilo-n32.d: Likewise, for the n32 ABI.
* gas/mips/mips16-hilo.s: Source for the new tests.
* gas/mips/mips.exp: Run the new tests.
include/:
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>
* elf/mips.h (R_MIPS16_GOT16): New reloc code.
(R_MIPS16_CALL16): Likewise.
(R_MIPS16_HI16): Likewise.
(R_MIPS16_LO16): Likewise.
(R_MIPS16_min): New fake reloc code.
(R_MIPS16_max): Likewise.
ld/testsuite/:
2005-02-15 Nigel Stephens <nigel@mips.com>
Maciej W. Rozycki <macro@mips.com>
* ld-mips-elf/mips16-hilo.d: New test for the R_MIPS16_HI16 and
R_MIPS16_LO16 relocs.
* ld-mips-elf/mips16-hilo-n32.d: Likewise, for the n32 ABI.
* ld-mips-elf/mips16-hilo.s: Auxiliary source for the new tests.
* ld-mips-elf/mips-elf.exp: Run the new tests.
(_bfd_elf_eh_frame_address_size): Declare.
* elfxx-target.h (elf_backend_eh_frame_address_size): Define a default.
(elfNN_bed): Initialize elf_backend_eh_frame_address_size.
* elfxx-mips.h (_bfd_mips_elf_eh_frame_address_size): Declare.
(elf_backend_eh_frame_address_size): Define.
* elfxx-mips.c (_bfd_mips_elf_eh_frame_address_size): New function.
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Get the address
size from the new backend hook.
(_bfd_elf_write_section_eh_frame): Likewise.
(_bfd_elf_eh_frame_address_size): New function.
(_bfd_elf_discard_section_eh_frame): Use them to interpret the CFA
instructions. If the amount of padding is known, reduce the size
of the CIE or FDE by that amount.
add_fde_encoding. Remove need_relative.
* elf-eh-frame.c (extra_augmentation_string_bytes)
(extra_augmentation_data_bytes, size_of_output_cie_fde): New functions.
(_bfd_elf_discard_section_eh_frame): Consider changing the FDE encoding
in cases where the CIE has no existing 'R' augmentation. Use
size_of_output_cie_fde when assigning offsets. Use the final offset
as the new section size.
(_bfd_elf_eh_frame_section_offset): Remove need_relative handling.
Account for any extra augmentation bytes in the returned offset.
(_bfd_elf_write_section_eh_frame): Rework so that the entries are
moved before being modified. Pad growing entries with DW_CFA_nops.
Add 'z' and 'R' augmentations as directed by add_augmentation_size
and add_fde_encoding.
* elfxx-mips.c (mips_elf_calculate_relocation): Use
_bfd_elf_symbol_refs_local_p to decide whether to decay
a GOT_PAGE/GOT_OFST pair to GOT_DISP/addend.
(_bfd_mips_elf_check_relocs): Add a global GOT entry for GOT_PAGE
relocs if the symbol wasn't defined by a regular object file.
Don't check the symbol's dynindx.
ld/testsuite/
* ld-mips/elf/elf-rel-xgot-{n32,n64-linux}.d: Update after 2004-02-02
changes to the way large constants are added.
* ld-mips/elf/elf-rel-got-{n32,n64-linux}.d: Likewise. Adjust order
of GOT entries after today's change to the handling of GOT_PAGE
relocations.
* ld-mips-elf/reloc-1-{n32,n64,rel}.d: New tests.
* ld-mips-elf/reloc-2[ab].s: New source files.
* ld-mips-elf/reloc-2.{d,ld}: New test.
* ld-mips-elf/reloc-3[ab].s: New source files.
* ld-mips-elf/reloc-3-{r,srec}.d: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
DT_MIPS_LIBLIST or DT_MIPS_CONFLICT entries.
(_bfd_mips_elf_finish_dynamic_symbol): Don't handle them. Don't
handle DT_MIPS_MSYM. Set DT_RELSZ based on the number of relocations
that were needed.
(_bfd_mips_elf_modify_segment_map): Fix placement of PT_MIPS_OPTIONS.
(_bfd_mips_elf_merge_private_bfd_data): Ignore EF_MIPS_UCODE.
special handling for n32 ABI.
(macro): Likewise.
* gas/mips/elf-rel-got-n32.d: Remove special handling for n32 ABI.
* gas/mips/elf-rel-xgot-n32.d: Likewise.
* gas/mips/jal-newabi.d: Likewise.
* ld-mips-elf/elf-rel-got-n32.d: Remove special handling for n32 ABI.
* ld-mips-elf/elf-rel-xgot-n32.d: Likewise.
* gas/mips/elempic.d: Force o64 ABI.
* gas/mips/telempic.d: Likewise.
* ld-mips-elf/rel32-n32.d: Force big endian assembly.
* ld-mips-elf/rel32-o32.d: Likewise.
* ld-mips-elf/rel64.d: Likewise.
mips64-linux.
* ld-elf/merge.d: Xfail on mips64*-linux-gnu*.
* ld-mips-elf/mips-elf-flags.exp (ldemul): Set to o32-compatible
on mips-sgi-irix6*, mips64-linux-gnu and mips64el-linux-gnu.
(good_combination, bad_combination): Use it.
Add -32 or -mabi=o64 wherever the ABI was formerly implied.
ld-mips-elf/elf-rel-got-n64.d, ld-mips-elf/elf-rel-xgot-n32.d,
ld-mips-elf/elf-rel-xgot-n64.d: New.
* ld-mips-elf/mips-elf.exp (hasn32): Define as condition for
new tests to run.
* elfxx-mips.c: Include libiberty.h.
(elf_mips_isa, _bfd_mips_elf_mach_extends_p): Remove.
(mips_set_isa_flags): New function, split out from...
(_bfd_mips_elf_final_write_processing): ...here. Only call
mips_set_isa_flags if the EF_MIPS_MACH bits are clear.
(mips_mach_extensions): New array.
(mips_32bit_flags_p): New function.
(_bfd_mips_elf_merge_private_bfd_data): Rework architecture checks.
Use mips_32bit_flags_p to check if one binary is 32-bit and the
other is 64-bit. When adopting IBFD's architecture, adopt the
bfd_mach as well as the flags.
ld/testsuite/
* ld-mips-elf/jr.s: New file.
* ld-mips-elf/mips-elf-flags.exp: New test.
* ld-mips-elf/branch-misc-1.d: Link at 0x500000 and use -N, to be
more compatible with non-embedded targets.
* ld-mips-elf/branch-misc-2.d: Likewise.
* ld-mips-elf/mips-elf.exp: Clean up some comments about embedded
PIC tests.
(elf): New variable, to control whether generic ELF tests are run.
(embedded_elf): New variable, to control whether ELF tests
requiring embedded PIC or embedded relocs are run.
2002-09-18 Chris Demetriou <cgd@broadcom.com>
* gas/mips/branch-misc-1.d: New file.
* gas/mips/branch-misc-1.s: New file.
* gas/mips/branch-misc-2.s: New file.
* gas/mips/branch-misc-2.d: New file.
* gas/mips/mips.exp: Run new tests.
[ ld/testsuite/ChangeLog ]
2002-09-18 Chris Demetriou <cgd@broadcom.com>
* ld-mips-elf/branch-misc-1.d: New file.
* ld-mips-elf/branch-misc-2.d: New file.
* ld-mips-elf/mips-elf.exp: Run new tests.
2002-07-26 Chris Demetriou <cgd@broadcom.com>
* gas/mips/elf_ase_mips16.d: New file to test ELF MIPS16 ASE marking.
* gas/mips/elf_ase_mips16.s: Likewise.
* gas/mips/mips.exp: Run the new test.
[ ld/testsuite/ChangeLog ]
2002-07-26 Chris Demetriou <cgd@broadcom.com>
* ld-mips-elf/mips16-1.d: Check that ASE flag is actually set.
* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Merge ASE
flags into resulting BFD.
[ld/testsuite/]
* ld-mips-elf/mips16-1.d,
* ld-mips-elf/mips16-1[ab].s: New test.
* ld-mips-elf/mips-elf.exp: Run it.
* ld-mips-elf/emrelocs-eb.d: New file to test --embedded-relocs.
* ld-mips-elf/emrelocs-el.d: Likewise.
* ld-mips-elf/emrelocs1.s: Likewise.
* ld-mips-elf/emrelocs2.s: Likewise.
* ld-mips-elf/emrelocs.ld: Likewise.
* ld-mips-elf/mips-elf.exp: Add the above to the list of tests.
Eric Christopher
Thiemo Seufer
Daniel Jacobowitz
Maciej W. Rozycki
Richard Sandiford
Ian Lance Taylor
Chris Demetriou
Jason Thorpe
Alexandre Oliva