* elfxx-mips.c (mips_elf_calculate_relocation): Set DT_TEXTREL
when creating a __GOTT_BASE__ or __GOTT_INDEX__ relocation
in a read-only section.
(_bfd_mips_elf_check_relocs): Likewise.
ld/testsuite/
* ld-mips-elf/vxworks1-lib.td: New test.
* ld-mips-elf/mips-elf.exp: Run it.
* bfd-in.h (bfd_arm_vfp11_fix): New enum. Specify how VFP11
instruction scanning should be done.
(bfd_elf32_arm_init_maps, bfd_elf32_arm_vfp11_erratum_scan)
(bfd_elf32_arm_vfp11_fix_veneer_locations): Add prototypes.
(bfd_elf32_arm_set_target_relocs): Add vfp11 fix type argument to
prototype.
* elf-bfd.h (elf_backend_write_section): Add struct bfd_link_info
argument.
* elf32-arm.c (VFP11_ERRATUM_VENEER_SECTION_NAME)
(VFP11_ERRATUM_VENEER_ENTRY_NAME): Define macros.
(elf32_vfp11_erratum_type): New enum.
(elf32_vfp11_erratum_list): New struct. List of veneers or jumps to
veneers.
(_arm_elf_section_data): Add mapsize, erratumcount, erratumlist.
(elf32_arm_link_hash_table): Add vfp11_erratum_glue_size,
vfp11_fix and num_vfp11_fixes fields.
(elf32_arm_link_hash_table_create): Initialise vfp11_fix,
vfp11_erratum_glue_size, num_vfp11_fixes fields.
(VFP11_ERRATUM_VENEER_SIZE): Define. Size of an (ARM) veneer.
(bfd_elf32_arm_allocate_interworking_sections): Initialise erratum
glue section.
(elf32_arm_section_map_add): Add an code/data mapping symbol entry
to a section's map.
(record_vfp11_erratum_veneer): Create a single veneer, and its
associated symbols.
(bfd_elf32_arm_add_glue_sections_to_bfd): Add vfp11 erratum glue.
(bfd_elf32_arm_init_maps): Initialise mapping symbol table for input
BFDs.
(bfd_elf32_arm_set_vfp11_fix): Set the type of erratum workaround
required.
(bfd_arm_vfp11_pipe): Define VFP11 instruction pipes.
(bfd_arm_vfp11_regno): Recode a register number from a VFP11 insn.
(bfd_arm_vfp11_write_mask): Update write mask according to coded
register number.
(bfd_arm_vfp11_antidependency): New function.
(bfd_arm_vfp11_insn_decode): Decode a VFP11 insn.
(elf32_arm_compare_mapping): Declare.
(bfd_elf32_arm_vfp11_erratum_scan): Scan the sections of an input
BFD for potential erratum-triggering insns. Record results.
(bfd_elf32_arm_vfp11_fix_veneer_locations): Find out where veneers
and branches to veneers have been placed in virtual memory after
layout.
(bfd_elf32_arm_set_target_relocs): Set vfp11_fix field in global
hash table.
(elf32_arm_output_symbol_hook): Remove.
(elf32_arm_write_section): Output veneers, and branches to veneers.
Use maps from input sections, not output sections, for code
byte-swapping.
* elf32-ppc.c (ppc_elf_write_section): Add dummy link_info argument.
* elf32-score.c (_bfd_score_elf_write_section): Likewise.
* elfxx-mips.c (_bfd_mips_elf_write_section): Likewise.
* elfxx-mips.h (_bfd_mips_elf_write_section): Likewise.
* elf-bfd.h (local_call_stubs): New member.
* elfxx-mips.c (FN_STUB_P, CALL_STUB_P, CALL_FP_STUB_P): New macros.
(mips_elf_calculate_relocation): Handle local mips16 call stubs.
(mips16_stub_section_p): Rename from mips_elf_stub_section_p, use
the new stub macros.
(_bfd_mips_elf_check_relocs): Handle call stubs for code which
mixes mips16 and mips32 functions. Use mips16_stub_section_p. Mark
used stubs with SEC_KEEP. Use the new stub macros.
[ gas/testsuite/ChangeLog ]
* gas/mips/mips16-intermix.d, gas/mips/mips16-intermix.s: New
testcase.
* gas/mips/mips.exp: Run new testcase.
[ ld/testsuite/ChangeLog ]
* ld-mips-elf/mips16-intermix-1.s, ld-mips-elf/mips16-intermix-2.s,
ld-mips-elf/mips16-intermix.d: New testcase.
* ld-mips-elf/mips-elf.exp (mips16_intermix_test): Run new testcases.
* elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Make the
size of .rel.dyn reflect the value of DT_RELSZ.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Remove trailing R_MIPS_NONE entries.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-multi-got-1.r: Likewise.
* elfxx-mips.c (_bfd_mips_elf_additional_program_headers): Allocate
a PT_NULL header for dynamic objects.
(_bfd_mips_elf_modify_segment_map): Add it.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Do not expect a particular address
for DT_HASH.
* ld-mips-elf/rel32-o32.d: Bump addresses by 0x20 to account for
the extra program header.
* ld-mips-elf/rel32-n32.d: Likewise.
* ld-mips-elf/tlslib-o32.got: Likewise.
* ld-mips-elf/tlslib-o32-hidden.got: Likewise.
* ld-mips-elf/tlslib-o32-ver.got: Likewise.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-multi-got-1.r: Likewise.
* ld-mips-elf/rel64.d: Bump addresses by 0x30 to account for the
extra program header.
* ld-mips-elf/tlsdyn-o32.d: Reduce the GOT offset by 32 to account
for the extra program header, and thus the shorter gap between the
text and data segments.
* ld-mips-elf/tlsdyn-o32-1.d: Likewise.
* ld-mips-elf/tlsdyn-o32-2.d: Likewise.
* ld-mips-elf/tlsdyn-o32-3.d: Likewise.
* ld-mips-elf/tlsdyn-o32.got: Bump GOT text addresses by 0x20
to account for the extra program header.
* ld-mips-elf/tlsdyn-o32-1.got: Likewise.
* ld-mips-elf/tlsdyn-o32-2.got: Likewise.
* ld-mips-elf/tlsdyn-o32-3.got: Likewise.
* elfxx-mips.c (sort_dynamic_relocs): Sort relocations against the
same symbol by increasing r_offset.
(sort_dynamic_relocs_64): Likewise. Fix comparisons between very
large and very small symbol indexes.
ld/testsuite/
* ld-mips-elf/tlslib-o32-hidden.got: Sort relocations against the
same symbol in order of increasing r_offset.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tls-hidden3.r: Likewise.
* ld-mips-elf/tls-hidden4.r: Likewise.
* elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Add DT_DEBUG
and DT_MIPS_RLD_MAP tags for position-independent executables.
Do not add DT_DEBUG to shared libraries for any MIPS target.
ld/testsuite/
* ld-mips-elf/multi-got-1.d: Remove DT_DEBUG tag. Do not require
a specific file offset for .dynamic. Reduce DT_HASH by 8 to account
for removed tag.
* ld-mips-elf/tls-multi-got-1.r: Likewise. Also reduce DT_REL by 8.
Reduce PLTGOT and symbol values by 16 to account for the removed tag.
* ld-mips-elf/textrel-1.d: Remove DT_DEBUG tag.
* ld-mips-elf/rel32-n32.d: Reduce addresses by 16 to account for
removed DT_DEBUG tag.
* ld-mips-elf/rel64.d: Likewise.
* ld-mips-elf/tls-multi-got-1.got: Likewise.
* ld-mips-elf/tlslib-o32-hidden.got: Likewise.
argument and emits the string followed by a comma and then the length of
the string.
(CONST_STRNEQ): New macro. Checks to see if a variable string has a constant
string as its initial characters.
(CONST_STRNCPY): New macro. Copies a constant string to the start of a
variable string.
* bfd-in2.h: Regenerate.
* <remainign files>: Make use of the new macros.
* elfxx-mips.c (mips_elf_link_hash_table): Add function_stub_size.
(STUB_ORI): New macro.
(STUB_LI16U): Fix formatting.
(MIPS_FUNCTION_STUB_SIZE): Delete.
(MIPS_FUNCTION_STUB_MAX_SIZE): Likewise.
(MIPS_FUNCTION_STUB_NORMAL_SIZE): New macro.
(MIPS_FUNCTION_STUB_BIG_SIZE): Likewise.
(_bfd_mips_elf_adjust_dynamic_symbol): Use htab->function_stub_size
instead of MIPS_FUNCTION_STUB_SIZE.
(count_section_dynsyms): New function, split out from
_bfd_mips_elf_final_link.
(_bfd_mips_elf_always_size_sections): Get a worst-case estimate
of the number of dynamic symbols needed and use it to set up
function_stub_size. Use function_stub_size rather than
MIPS_FUNCTION_STUB_SIZE to determine the size of the stub section.
Use 16-byte stubs for 0x10000 dynamic symbols.
(_bfd_mips_elf_size_dynamic_sections): Use htab->function_stub_size
instead of MIPS_FUNCTION_STUB_SIZE. Fix formatting.
(_bfd_mips_elf_finish_dynamic_symbol): Likewise. Change the
size of the stub buffer from MIPS_FUNCTION_STUB_MAX_SIZE to
MIPS_FUNCTION_STUB_BIG_SIZE. Tweak the check for unhandled dynindxes.
Use MIPS_FUNCTION_STUB_BIG_SIZE rather than a hard-coded 20.
Use STUB_ORI rather than STUB_LI16U for big stubs.
(_bfd_mips_elf_link_hash_table_create): Initialize function_stub_size.
(_bfd_mips_elf_final_link): Use count_section_dynsyms.
ld/testsuite/
* ld-mips-elf/stub-dynsym-1.s,
* ld-mips-elf/stub-dynsym-1.ld,
* ld-mips-elf/stub-dynsym-1-7fff.d,
* ld-mips-elf/stub-dynsym-1-8000.d,
* ld-mips-elf/stub-dynsym-1-fff0.d,
* ld-mips-elf/stub-dynsym-1-10000.d,
* ld-mips-elf/stub-dynsym-1-2fe80.d: New test.
* ld-mips-elf/mips-elf.exp: Run it.
(STUB_LUI): New macro.
(STUB_LI16U): Ditto.
(STUB_LI16S): Ditto.
(MIPS_FUNCTION_STUB_SIZE): Rewrote to take info parameter.
(_bfd_mips_elf_adjust_dynamic_symbol): Pass info parameter to
MIPS_FUNCTION_STUB_SIZE.
(_bfd_mips_elf_always_size_sections): Ditto.
(_bfd_mips_elf_size_dynamic_sections): Ditto.
(_bfd_mips_elf_finish_dynamic_sections): Ditto.
(_bfd_mips_elf_finish_dynamic_symbol): Rewrote stub generation
to allow larger symbol table indexes.
* elflink.c (_bfd_elf_add_dynamic_entry): Remove DT_TEXTREL
check.
(bfd_elf_final_link): Add a late DT_TEXTREL check.
* elfxx-mips.c (MIPS_ELF_READONLY_SECTION): Define.
(mips_elf_create_dynamic_relocation): Set DF_TEXTREL.
(_bfd_mips_elf_check_relocs): Delete MIPS_READONLY_SECTION.
Use MIPS_ELF_READONLY_SECTION.
(_bfd_mips_elf_size_dynamic_sections): Clear DF_TEXTREL after
creating DT_TEXTREL.
(_bfd_mips_elf_finish_dynamic_sections): Clear textrel markers
if no text relocations were generated.
ld/testsuite/
* ld-mips-elf/textrel-1.d: Relax some patterns.
(mips_elf_local_got_index): Use the hash table entry to record
the GOT index of forced-local symbols.
(mips_elf_initialize_tls_index): Rearrange code. Store the index
in either the hash table entry or the mips_got_entry, not both.
Add more commentary.
(mips_elf_multi_got): Make sure the g->next is nonnull when calling
mips_elf_initialize_tls_index.
* ld-mips-elf/tls-hidden3a.s, ld-mips-elf/tls-hidden3b.s,
* ld-mips-elf/tls-hidden3.d, ld-mips-elf/tls-hidden3.got,
* ld-mips-elf/tls-hidden3.ld, ld-mips-elf/tls-hidden3.r,
* ld-mips-elf/tls-hidden4a.s, ld-mips-elf/tls-hidden4b.s,
* ld-mips-elf/tls-hidden4.got, ld-mips-elf/tls-hidden4.r: New tests.
* ld-mips-elf/mips-elf.exp: Run them.
Daniel Jacobowitz <dan@codesourcery.com>
Phil Edwards <phil@codesourcery.com>
Zack Weinberg <zack@codesourcery.com>
Mark Mitchell <mark@codesourcery.com>
Nathan Sidwell <nathan@codesourcery.com>
bfd/
* bfd-in2.h: Regenerate.
* config.bfd (mips*-*-vxworks*, mips*el-*-vxworks*): New stanzas.
* configure.in (bfd_elf32_bigmips_vxworks_vec): New stanza.
(bfd_elf32_littlemips_vxworks_vec): Likewise.
(bfd_elf32_bigmips_vec): Add elf-vxworks.lo.
(bfd_elf32_littlemips_vec): Likewise.
(bfd_elf32_nbigmips_vec): Likewise.
(bfd_elf32_nlittlemips_vec): Likewise.
(bfd_elf32_ntradbigmips_vec): Likewise.
(bfd_elf32_ntradlittlemips_vec): Likewise.
(bfd_elf32_tradbigmips_vec): Likewise.
(bfd_elf32_tradlittlemips_vec): Likewise.
(bfd_elf64_bigmips_vec): Likewise.
(bfd_elf64_littlemips_vec): Likewise.
(bfd_elf64_tradbigmips_vec): Likewise.
(bfd_elf64_tradlittlemips_vec): Likewise.
* elf32-mips.c: Include elf-vxworks.h.
(mips_info_to_howto_rel): Use elf_backend_mips_rtype_to_howto
instead of calling mips_elf32_rtype_to_howto directly.
(mips_vxworks_copy_howto_rela): New reloc howto.
(mips_vxworks_jump_slot_howto_rela): Likewise.
(mips_vxworks_bfd_reloc_type_lookup): New function.
(mips_vxworks_rtype_to_howto): Likewise.
(mips_vxworks_final_write_processing): Likewise.
(TARGET_LITTLE_SYM, TARGET_LITTLE_NAME): Override for VxWorks.
(TARGET_BIG_SYM, TARGET_BIG_NAME, elf_bed, ELF_MAXPAGESIZE): Likewise.
(elf_backend_want_got_plt): Likewise.
(elf_backend_want_plt_sym): Likewise.
(elf_backend_got_symbol_offset): Likewise.
(elf_backend_want_dynbss): Likewise.
(elf_backend_may_use_rel_p): Likewise.
(elf_backend_may_use_rela_p): Likewise.
(elf_backend_default_use_rela_p): Likewise.
(elf_backend_got_header_size: Likewise.
(elf_backend_plt_readonly): Likewise.
(bfd_elf32_bfd_reloc_type_lookup): Likewise.
(elf_backend_mips_rtype_to_howto): Likewise.
(elf_backend_adjust_dynamic_symbol): Likewise.
(elf_backend_finish_dynamic_symbol): Likewise.
(bfd_elf32_bfd_link_hash_table_create): Likewise.
(elf_backend_add_symbol_hook): Likewise.
(elf_backend_link_output_symbol_hook): Likewise.
(elf_backend_emit_relocs): Likewise.
(elf_backend_final_write_processing: Likewise.
(elf_backend_additional_program_headers): Likewise.
(elf_backend_modify_segment_map): Likewise.
(elf_backend_symbol_processing): Likewise.
* elfxx-mips.c: Include elf-vxworks.h.
(mips_elf_link_hash_entry): Add is_relocation_target and
is_branch_target fields.
(mips_elf_link_hash_table): Add is_vxworks, srelbss, sdynbss, srelplt,
srelplt2, sgotplt, splt, plt_header_size and plt_entry_size fields.
(MIPS_ELF_RELA_SIZE, MIPS_ELF_REL_DYN_NAME): New macros.
(MIPS_RESERVED_GOTNO): Take a mips_elf_link_hash_table argument.
Return 3 for VxWorks.
(ELF_MIPS_GP_OFFSET): Change the argument from a bfd to a
mips_elf_link_hash_table. Return 0 for VxWorks.
(MIPS_ELF_GOT_MAX_SIZE): Change the argument from a bfd to a
mips_elf_link_hash_table. Update the call to ELF_MIPS_GP_OFFSET.
(mips_vxworks_exec_plt0_entry): New variable.
(mips_vxworks_exec_plt_entry): Likewise.
(mips_vxworks_shared_plt0_entry): Likewise.
(mips_vxworks_shared_plt_entry): Likewise.
(mips_elf_link_hash_newfunc): Initialize the new hash_entry fields.
(mips_elf_rel_dyn_section): Change the bfd argument to a
mips_elf_link_hash_table. Use MIPS_ELF_REL_DYN_NAME to get
the name of the section.
(mips_elf_initialize_tls_slots): Update the call to
mips_elf_rel_dyn_section.
(mips_elf_gotplt_index): New function.
(mips_elf_local_got_index): Add an input_section argument.
Update the call to mips_elf_create_local_got_entry.
(mips_elf_got_page): Likewise.
(mips_elf_got16_entry): Likewise.
(mips_elf_create_local_got_entry): Add bfd_link_info and input_section
arguments. Create dynamic relocations for each entry on VxWorks.
(mips_elf_merge_gots): Update the use of MIPS_ELF_GOT_MAX_SIZE.
(mips_elf_multi_got): Update the uses of MIPS_ELF_GOT_MAX_SIZE
and MIPS_RESERVED_GOTNO.
(mips_elf_create_got_section): Update the uses of
MIPS_ELF_GOT_MAX_SIZE. Create .got.plt on VxWorks.
(is_gott_symbol): New function.
(mips_elf_calculate_relocation): Use a dynobj local variable.
Update the calls to mips_elf_local_got_index, mips_elf_got16_entry and
mips_elf_got_page_entry. Set G to the .got.plt entry when calculating
VxWorks R_MIPS_CALL* relocations. Calculate and use G for all GOT
relocations on VxWorks. Add dynamic relocations for references
to the VxWorks __GOTT_BASE__ and __GOTT_INDEX__ symbols. Don't
create dynamic relocations for R_MIPS_32, R_MIPS_REL32 or R_MIPS_64
in VxWorks executables.
(mips_elf_allocate_dynamic_relocations): Add a bfd_link_info argument.
Use MIPS_ELF_RELA_SIZE to calculate the size of a VxWorks entry.
Don't allocate a null entry on VxWorks.
(mips_elf_create_dynamic_relocation): Update the call to
mips_elf_rel_dyn_section. Use absolute rather than relative
relocations for VxWorks, and make them RELA rather than REL.
(_bfd_mips_elf_create_dynamic_sections): Don't make .dynamic
read-only on VxWorks. Update the call to mips_elf_rel_dyn_section.
Create the .plt, .rela.plt, .dynbss and .rela.bss sections on
VxWorks. Likewise create the _PROCEDURE_LINKAGE_TABLE symbol.
Call elf_vxworks_create_dynamic_sections for VxWorks and
initialize the plt_header_size and plt_entry_size fields.
(_bfd_mips_elf_check_relocs): Don't allow GOT relocations to be
used in VxWorks executables. Don't allocate dynamic relocations
for R_MIPS_32, R_MIPS_REL32 or R_MIPS_64 in VxWorks executables.
Set is_relocation_target for each symbol referenced by a relocation.
Allocate .rela.dyn entries for relocations against the special
VxWorks __GOTT_BASE__ and __GOTT_INDEX__ symbols. Create GOT
entries for all VxWorks R_MIPS_GOT16 relocations. Don't allocate
a global GOT entry for symbols mentioned in VxWorks R_MIPS_CALL*,
R_MIPS_32, R_MIPS_REL32 or R_MIPS_64 relocations. Update the calls
to mips_elf_rel_dyn_section and mips_elf_allocate_dynamic_relocations.
Set is_branch_target for symbols mentioned in R_MIPS_PC16 or R_MIPS_26
relocations. Don't set no_fn_stub on VxWorks.
(_bfd_mips_elf_adjust_dynamic_symbol): Update the call to
mips_elf_allocate_dynamic_relocations.
(_bfd_mips_vxworks_adjust_dynamic_symbol): New function.
(_bfd_mips_elf_always_size_sections): Do not allocate GOT page
entries for VxWorks, and do not create multiple GOTs.
(_bfd_mips_elf_size_dynamic_sections): Use MIPS_ELF_REL_DYN_NAME.
Handle .got specially for VxWorks. Update the uses of
MIPS_RESERVED_GOTNO and mips_elf_allocate_dynamic_relocations.
Check for sgotplt and splt. Allocate the .rel(a).dyn contents last,
once its final size is known. Set DF_TEXTREL for VxWorks. Add
DT_RELA, DT_RELASZ, DT_RELAENT, DT_PLTREL, DT_PLTRELSZ and DT_JMPREL
tags on VxWorks. Do not add the MIPS-specific tags for VxWorks.
(_bfd_mips_vxworks_finish_dynamic_symbol): New function.
(mips_vxworks_finish_exec_plt): Likewise.
(mips_vxworks_finish_shared_plt): Likewise.
(_bfd_mips_elf_finish_dynamic_sections): Remove an unncessary call
to mips_elf_rel_dyn_section. Use a VxWorks-specific value of
DT_PLTGOT. Handle DT_RELA, DT_RELASZ, DT_RELAENT, DT_PLTREL,
DT_PLTRELSZ and DT_JMPREL. Update the uses of MIPS_RESERVED_GOTNO
and mips_elf_rel_dyn_section. Use a different GOT header for
VxWorks. Don't sort .rela.dyn on VxWorks. Finish the PLT on VxWorks.
(_bfd_mips_elf_link_hash_table_create): Initialize the new
mips_elf_link_hash_table fields.
(_bfd_mips_vxworks_link_hash_table_create): New function.
(_bfd_mips_elf_final_link): Set the GP value to _GLOBAL_OFFSET_TABLE_
on VxWorks. Update the call to ELF_MIPS_GP_OFFSET.
* elfxx-mips.h (_bfd_mips_vxworks_adjust_dynamic_symbol): Declare.
(_bfd_mips_vxworks_finish_dynamic_symbol): Likewise.
(_bfd_mips_vxworks_link_hash_table_create): Likewise.
* libbfd.h: Regenerate.
* Makefile.am (elfxx-mips.lo): Depend on elf-vxworks.h.
(elf32-mips.lo): Likewise.
* Makefile.in: Regenerate.
* reloc.c (BFD_RELOC_MIPS_COPY, BFD_RELOC_MIPS_JUMP_SLOT): Declare.
* targets.c (bfd_elf32_bigmips_vxworks_vec): Declare.
(bfd_elf32_littlemips_vxworks_vec): Likewise.
(_bfd_target_vector): Add entries for them.
gas/
* config/tc-mips.c (mips_target_format): Handle vxworks targets.
(md_begin): Complain about -G being used for PIC. Don't change
the text, data and bss alignments on VxWorks.
(reloc_needs_lo_p): Don't return true for R_MIPS_GOT16 when
generating VxWorks PIC.
(load_address): Extend SVR4_PIC handling to VXWORKS_PIC.
(macro): Likewise, but do not treat la $25 specially for
VxWorks PIC, and do not handle jal.
(OPTION_MVXWORKS_PIC): New macro.
(md_longopts): Add -mvxworks-pic.
(md_parse_option): Don't complain about using PIC and -G together here.
Handle OPTION_MVXWORKS_PIC.
(md_estimate_size_before_relax): Always use the first relaxation
sequence on VxWorks.
* config/tc-mips.h (VXWORKS_PIC): New.
gas/testsuite/
* gas/mips/vxworks1.s, gas/mips/vxworks1.d,
* gas/mips/vxworks1-xgot.d: New tests.
* gas/mips/mips.exp: Run them. Do not run other tests on VxWorks.
include/elf/
* mips.h (R_MIPS_COPY, R_MIPS_JUMP_SLOT): New relocs.
ld/
* configure.tgt (mips*el-*-vxworks*, mips*-*-vxworks*): Use
separate VxWorks emulations.
* emulparams/elf32ebmipvxworks.sh: New file.
* emulparams/elf32elmipvxworks.sh: New file.
* Makefile.am (ALL_EMULATIONS): Add eelf32ebmipvxworks.o and
eelf32elmipvxworks.o.
(eelf32ebmipvxworks.c, eelf32elmipvxworks.c): New rules.
* Makefile.in: Regenerate.
ld/testsuite/
* ld-mips/vxworks1.dd, ld-mips/vxworks1.ld, ld-mips/vxworks1-lib.dd,
* ld-mips/vxworks1-lib.nd, ld-mips/vxworks1-lib.rd,
* ld-mips/vxworks1-lib.s, ld-mips/vxworks1.rd, ld-mips/vxworks1.s,
* ld-mips/vxworks1-static.d, ld-mips/vxworks2.s, ld-mips/vxworks2.sd,
* ld-mips/vxworks2-static.sd: New tests.
* ld-mips/mips-elf.exp: Run them.
* elf32-mips.c (mips_elf_adjust_addend): New function, mostly split
out from...
(_bfd_mips_elf_relocate_section): ...here. Use it to adjust r_addend
for final links too.
ld/testsuite/
* ld-mips/emit-relocs-1a.s, ld-mips/emit-relocs-1b.s,
* ld-mips/emit-relocs-1.ld, ld-mips/emit-relocs-1.d: New test.
* ld-mips/mips-elf.exp: Run it.
* elfxx-mips.c (mips_elf_initialize_tls_index): If a TLS symbol
has already been assigned a GOT index, copy that index to the
current hash table entry.
ld/testsuite/
* ld-mips-elf/tls-hidden2a.s, ld-mips-elf/tls-hidden2b.s,
* ld/testsuite/ld-mips-elf/tls-hidden2.d,
* ld/testsuite/ld-mips-elf/tls-hidden2-got.d: New test.
* ld-mips-elf/mips-elf.exp: Run it.
* elfxx-mips.c (mips_elf_record_global_got_symbol): Add assert
to verify we have a got.
(_bfd_mips_elf_check_relocs): Add R_MIPS_TLS_GOTTPREL to relocs
needing a GOT.
* elf-bfd.h (struct elf_backend_data): New field 'elf_backend_ignore_undef_symbol'.
* elfxx-target.h (elf_backend_ignore_undef_symbol): Define to NULL if not
already defined.
(elfNN_bed): Initialise the elf_backend_ignore_undef_symbol field.
* elfxx-mips.c (_bfd_mips_elf_ignore_undef_symbol): New function.
* elfxx-mips.h (elf_backend_ignore_undef_symbol): Define and prototype.
* elflink.c (elf_link_output_extsym): Check elf_backend_ignore_undef_symbol
before reporting an undefined symbol in a shared library.
* readelf.c (get_mips_symbol_other): New function.
(get_symbol_other): New function.
(process_symbol_table): Call get_symbol_other() to get a description of the
st_other field if it contains more information than just the visibility.
* elfxx-mips.c (mips_elf_calculate_relocation): Ignore an undefined symbol if
it is optional.
(_bfd_mips_elf_merge_symbol_attribute): Make sure that the optional flag is
merged as well as the visibility.
* elfxx-mips.h (_bfd_mips_elf_merge_symbol_attribute): Prototype.
(elf_backend_merge_symbol_attribute): Define.
* mips.h (STO_OPTIONAL): Define.
(ELF_MIPS_IS_OPTIONAL): Define.
