Nick Clifton <nickc@redhat.com>
PR 290
* bfd.c (_bfd_default_error_handler): Make it global.
* elf-bfd.h (elf_backend_data): Add link_order_error_handler.
* elf.c (assign_section_numbers): Cope gracefully with sections
which have SHF_LINK_ORDER set but no sh_link set up.
* elflink.c (elf_get_linked_section_vma): Likewise.
* elfxx-ia64.c (elf_backend_link_order_error_handler): New. Set
it to NULL.
* elfxx-target.h (elf_backend_link_order_error_handler): New.
Set it to _bfd_default_error_handler.
(elfNN_bed): Add elf_backend_link_order_error_handler.
* libbfd-in.h (_bfd_default_error_handler): New.
* libbfd.h: Regenerated.
* bfd-in.h: Update copyright.
(bfd_tell): Change return type to file_ptr.
* bfd-in2.h: Re-generate.
* cache.c: Update copyright.
(bfd_cache_lookup_worker): Use real_fseek, do not cast offset
parameter.
(close_one): Use real_ftell.
* bfdio.c: Update copyright.
(real_ftell, real_fseek): New functions.
(bfd_tell): Use real_fseek and real_ftell, change return type to
file_ptr.
(bfd_seek): Use real_ftell and real_fseek, change type of
file_position to a file_ptr.
* libbfd-in.h: Update copyright.
(real_ftell, real_fseek): Declare.
* libbfd.h: Re-generate.
* elf32-frv.c (_frv_osec_readonly_p): New.
(_frv_emit_got_relocs_plt_entries): Don't emit rofixup for
undefweak symbol.
(_frv_count_got_plt_entries): Adjust expected count accordingly.
(elf32_frv_relocate_section): Likewise. Error out if attempting
to emit rofixups or dynamic relocs in read-only segments. Use
_bfd_elf_section_offset to adjust r_offsets in rofixups and
dynamic relocations.
2003-12-12 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_relocate_section): Compute dynamic
relocations or fixups involving merged sections correctly. Avoid
crash when undefined symbol is referenced by R_FRV_32 or
R_FRV_FUNCDESC_VALUE.
2003-12-02 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_relocate_section): Add output_offset of
input section holding local symbol to addend of R_FRV_32 or
R_FRV_FUNCDESC_VALUE dynamic relocation.
2003-11-27 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_modify_segment_map): Add link info arg.
(elf32_frv_always_size_sections): Don't store pointer to
__stacksize symbol in sec_info.
(elf32_frv_modify_segment_map): Look it up here.
2003-11-26 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Emit the address
of the lazy PLT entry, not only its offset, as the low word of a
function descriptor.
2003-11-10 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_always_size_sections): Define __stacksize
if a hash table entry already exists but is not a definition.
2003-11-05 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (frv_elf_link_hash_table_create): Use bfd_zalloc.
(_frv_add_rofixup): Don't inline.
(_frv_emit_got_relocs_plt_entries): Use NULL as funcdesc address
for undefweak symbols.
(elf32_frv_relocate_section): Avoid crash while computing
relocation when linking with shared library. Only emit rofixups
and dynamic relocations for alloc&load sections. Mark binaries
with inter-segment relocations for relocation as a unit.
(_frv_create_got_section): Rename .rofixup.got to .rofixup.
(DEFAULT_STACK_SIZE): New.
(_frv_count_got_plt_entries): Fix thinko in deciding whether to
emit rofixups or dynamic relocs when linking dynamic non-PIE
executables.
(elf32_frv_size_dynamic_sections): Generate rofixup on PIEs and
shared libs too. Reserve the last entry for the GOT pointer.
(elf32_frv_finish_dynamic_sections): Emit it.
(elf32_frv_always_size_sections): New.
(elf32_frv_modify_segment_map): New.
(elf32_frv_check_relocs): Reserve relocs32 space only in ALLOC
sections.
(frv_elf_merge_private_bfd_data): Clear PIC bit if FDPIC is set.
(frv_elf_print_private_bfd_data): Handle FDPIC and LIBPIC.
(elf_backend_always_size_sections): New.
(elf_backend_modify_segment_map): New.
2003-10-31 Alexandre Oliva <aoliva@redhat.com>
* config.bfd: Added frv-*-*linux*.
* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Use idx 0 for
ABS section, instead of crashing.
(elf32_frv_relocate_section): Don't crash before warning about
different segments in non-PIC relocation.
2003-10-17 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_relocate_section): Don't warn on LABEL24
relocs to undefweak symbols.
(elf32_frv_relocate_section): Ditto for undefined symbols.
2003-10-06 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_create_dynamic_sections): Make sure
gotfixup section was created.
2003-09-30 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (elf32_frv_howto_table): Change GOT12,
FUNCDESC_GOT12, GOTOFF12 and FUNCDESC_GOTOFF12 to
complain_overflow_signed.
* elf32-frv.c (_frv_add_rofixup): Do not error out if contents
have not been allocated.
(_frv_emit_got_relocs_plt_entries): Return non-void. Assert
privfd only if dynamic sections were created.
(elf32_frv_relocate_section): Compute gprel_segment, and use it
for GPREL relocs. When linking relocatable FDPIC executables,
emit warnings for relocations that would be illegal on PIE or
shared libraries. Emit rofixup for R_FRV_32 only if input object
is not FDPIC.
(_frv_create_got_section): Define _gp symbol in the rofixup
section.
(elf32_frv_finish_dynamic_sections): If rofixups needed but
dynamic sections missing, error out requesting -melf32frvfd.
2003-09-19 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Rearrange
computation of addends from section and global or local symbol
value. Change return type to bfd_boolean, and return a failure if
a dynamic FUNCDESC or FUNCDESC_VALUE relocation that requires a
nonzero addend is required.
(elf32_frv_relocate_section): Likewise. Print error for
unsupported nonzero addends.
2003-09-18 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (FRV_SYM_LOCAL): In the absence of dynamic sections,
force everything local.
(_frv_emit_got_relocs_plt_entries): Cope with NULL sec.
* elf32-frv.c (struct frv_elf_link_hash_table): Added sgotfixup.
(frv_gotfixup_section): New.
(FRV_SYM_LOCAL): Accept undefweak and local common symbols.
(struct frv_pic_relocs_info): Split relocs into relocs32, relocsfd
and relocsfdv.
(_frv_add_rofixup): New.
(_frv_emit_got_relocs_plt_entries): Generate fixups for non-PIE
fdpic executables. Use FRV_SYM_LOCAL more widely to simplify and
improve some ugly conditions.
(elf32_frv_relocate_section): Likewise. Reject inter-segment
relocations in fdpic.
(_frv_create_got_section): Create .rofixup.got section.
(struct _frv_dynamic_got_info): Added fixups.
(_frv_count_got_plt_entries): Account in-GOT relocations into
relocs32, relocsfd and relocsfdv. Account them into relocs or
fixups, as appropriate.
(elf32_frv_size_dynamic_sections): Size rofixup section. Simplify
sizing of gotrel.
(elf32_frv_finish_dynamic_sections): Verify that the right number
of relocations and fixups was generated.
(elf32_frv_check_relocs): Compute relocs32, relocsfd and
relocsfdv.
* elf32-frv.c (FRV_SYM_LOCAL): New macro, used instead of
SYMBOL_CALLS_LOCAL and SYMBOL_REFERENCES_LOCAL.
(FRV_FUNCDESC_LOCAL): New macro, used to decide whether a function
descriptor of a (formerly-)global symbol is local.
(struct frv_pic_relocs_info): Adjust comments.
(_frv_emit_got_relocs_plt_entries): Adjust.
(elf32_frv_relocate_section): Likewise.
(_frv_count_got_plt_entries): Likewise.
* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Don't add global
symbol's value to addend in the common preamble. Decay dynamic
symbols to section+offset if they bind or call locally, for GOT
and FUNCDESC_VALUE, respectively.
(elf32_frv_relocate_section): Likewise.
(elf32_frv_check_relocs): Don't register as dynamic symbols of
internal or hidden visibility.
2003-09-17 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (_frv_emit_got_relocs_plt_entries): Get addend as
argument, so as to not call _bfd_elf_rel_local_sym to compute it.
(elf32_frv_relocate_section): Pass relocation addend in. Use
original relocation addend to look up the got relocs/plt entries
table. Do not call _bfd_elf_rel_local_sym. Don't error out when
processing relocations that reference .scommon symbols.
2003-09-15 Alexandre Oliva <aoliva@redhat.com>
Introduce support for dynamic linking.
* elf32-frv.c (R_FRV_FUNCDESC_VALUE): Mark it as 64 bits.
(elf32_frv_rel_32_howto, elf32_frv_rel_funcdesc_howto,
elf32_frv_rel_funcdesc_value_howto): New REL descriptors.
(frv_reloc_type_lookup): Return REL howtos for executables and
dynamic libraries.
(frv_info_to_howto_rel): New.
(struct frv_elf_link_hash_table): New.
(frv_hash_table, frv_got_section, frv_gotrel_section,
frv_plt_section, frv_pltrel_section, frv_relocs_info,
frv_got_initial_offset, frv_plt_initial_offset): New macros.
(frv_elf_link_hash_table_create): New.
(struct frv_pic_relocs_info): New.
(frv_pic_relocs_info_hash, frv_pic_relocs_info_eq): New.
(frv_pic_relocs_info_find): New.
(frv_pic_relocs_info_for_global, frv_pic_relocs_info_for_local):
New.
(FRV_LZPLT_BLOCK_SIZE, FRV_LZPLT_RESOLVE_LOC): New.
(_frv_add_dyn_reloc, _frv_osec_to_segment): New.
(_frv_emit_got_relocs_plt_entries): New.
(elf32_frv_relocate_section): Add support for dynamic linking.
Handle new relocations.
(_frv_create_got_section): New.
(elf32_frv_create_dynamic_sections): New.
(ELF_DYNAMIC_INTERPRETER): New.
(struct _frv_dynamic_got_info): New.
(_frv_count_got_plt_entries): New.
(struct _frv_dynamic_got_plt_info): New.
(_frv_compute_got_alloc_data): New.
(_frv_get_got_entry, _frv_get_fd_entry): New.
(_frv_assign_got_entries, _frv_assign_plt_entries): New.
(_frv_resolve_final_relocs_info): New.
(elf32_frv_size_dynamic_sections): New.
(elf32_frv_finish_dynamic_sections): New.
(elf32_frv_adjust_dynamic_symbol): New.
(elf32_frv_finish_dynamic_symbol): New.
(elf32_frv_check_relocs): Handle new relocs. Explain how the
whole thing works.
(elf_info_to_howto_rel): Define.
(bfd_elf32_bfd_link_hash_table_create): Define.
(elf_backend_create_dynamic_sections): Define.
(elf_backend_adjust_dynamic_symbol): Define.
(elf_backend_size_dynamic_sections): Define.
(elf_backend_finish_dynamic_symbol): Define.
(elf_backend_finish_dynamic_sections): Define.
(elf_backend_want_got_sym): Define.
(elf_backend_got_header_size): Define.
(elf_backend_want_got_plt): Define.
(elf_backend_plt_readonly): Define.
(elf_backend_want_plt_sym): Define.
(elf_backend_plt_header_size): Define.
(elf_backend_may_use_rel_p): Define.
(elf_backend_may_use_rela_p): Define.
(elf_backend_default_use_rela_p): Define.
2003-08-08 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (R_FRV_FUNCDESC_VALUE, R_FRV_FUNCDESC_GOTOFF12,
R_FRV_FUNCDESC_GOTOFFHI, R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12,
R_FRV_GOTOFFHI, R_FRV_GOTOFFLO): New.
(frv_reloc_map): Map the corresponding BFD relocs to them.
(frv_reloc_type_lookup): ... and back to BFD relocs.
* reloc.c: New relocs.
* bfd-in2.h, libbfd.h: Rebuilt.
2003-08-04 Alexandre Oliva <aoliva@redhat.com>
* elf32-frv.c (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
R_FRV_FUNCDESC_GOTLO): New.
(frv_reloc_map): Map the corresponding BFD relocs to them.
(frv_reloc_type_lookup): ... and back to BFD relocs.
* reloc.c: New relocs.
* bfd-in2.h, libbfd.h: Rebuilt.
* elf64-mmix.c (MAX_PUSHJ_STUB_SIZE): New macro.
(struct _mmix_elf_section_data): New member pjs.
(mmix_set_relaxable_size, mmix_elf_get_section_contents): New
functions.
(elf_mmix_howto_table): New entry for R_MMIX_PUSHJ_STUBBABLE.
(mmix_reloc_map): Ditto.
(mmix_elf_relocate_section): Handle R_MMIX_PUSHJ_STUBBABLE.
(mmix_final_link_relocate, mmix_elf_check_common_relocs): Ditto.
(mmix_elf_perform_relocation): Ditto. Don't mark parameter addr
unused.
(mmix_elf_check_relocs): Move early return to after
mmix_elf_check_common_relocs call.
(mmix_elf_symbol_processing): Fix cut-and-pasto in head comment.
(_bfd_mmix_before_linker_allocation): Rename from
_bfd_mmix_prepare_linker_allocated_gregs. All referers changed.
Arrange to set the initial relaxable size of sections.
(_bfd_mmix_after_linker_allocation): Rename from
_bfd_mmix_finalize_linker_allocated_gregs.
(mmix_elf_relax_section): Relax a R_MMIX_PUSHJ_STUBBABLE reloc.
(bfd_elf64_get_section_contents): Define.
* reloc.c: Add ENUMX for BFD_RELOC_MMIX_PUSHJ_STUBBABLE.
* libbfd.h, bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* bfd-in2.h: Regenerate.
* elf64-ppc.c (TP_OFFSET, DTP_OFFSET): Declare.
(ppc64_elf_howto_raw): Add TLS howto's. Adjust R_PPC64_NONE to be
against a 32 bit field.
(ppc64_elf_reloc_type_lookup): Handle TLS relocs.
(_ppc64_elf_section_data): Add t_symndx and comments.
(ppc64_elf_section_data): Use elf_section_data macro.
(ppc64_elf_new_section_hook): American spelling.
(struct got_entry, struct plt_entry): New.
(MUST_BE_DYN_RELOC): Rename from IS_ABSOLUTE_RELOC.
(struct ppc_stub_hash_entry): Add "addend" field.
(struct ppc_link_hash_entry): Add "tls_type".
(TLS_TLS, TLS_GD_LD, TLS_LD, TLS_TPREL, TLS_DTPREL,
TLS_EXPLICIT): Define.
(struct ppc_link_hash_table): Add tls_sec, tls_get_addr, tlsld_got.
(link_hash_newfunc): Init new fields.
(ppc64_elf_link_hash_table_create): Likewise. Set init_relcount and
init_offset to NULL.
(ppc64_elf_copy_indirect_symbol): Copy got and plt info. Don't call
_bfd_elf_link_hash_copy_indirect, rather insert relevant code from
there.
(update_local_sym_info, update_plt_info): New functions.
(ppc64_elf_check_relocs): Use them. Handle TLS relocs. Adjust GOT
handling to use got.glist rather than got.refcount. Likewise for PLT.
(ppc64_elf_gc_sweep_hook): Handle TLS relocs, new GOT and PLT lists.
(func_desc_adjust): Adjust for new PLT list.
(ppc64_elf_adjust_dynamic_symbol): Likewise.
(get_sym_h, get_tls_type): New functions.
(ppc64_elf_edit_opd): Remove unused variable. Use get_sym_h.
(ppc64_elf_tls_optimize): New function.
(allocate_dynrelocs): Adjust for new PLT and GOT lists. Allocate
TLS relocs.
(ppc64_elf_size_dynamic_sections): Likewise.
(ppc_type_of_stub): Adjust for new PLT list.
(ppc_build_one_stub): Likewise.
(ppc64_elf_size_stubs): Likewise. Use get_sym_h. Treat __tls_get_addr
calls specially.
(ppc64_elf_relocate_section): Adjust for new GOT and PLT lists. Handle
TLS relocs. Report local syms using bfd_elf_local_sym_name. Don't
init GOT entries that have a reloc. Generate GOT relocs here..
(ppc64_elf_finish_dynamic_symbol): ..not here. Adjust for PLT list.
* elf64-ppc.h (ppc64_elf_tls_optimize): Declare.
* elf32-s390.c (elf_s390_adjust_gotplt): New prototype.
(elf_howto_table): Rename R_390_GOTOFF to R_390_GOTOFF32. Add
R_390_GOTOFF16, R_390_GOTOFF64, R_390_GOTPLT12, R_390_GOTPLT16,
R_390_GOTPLT32, R_390_GOTPLT64, R_390_GOTPLTENT, R_390_PLTOFF16,
R_390_PLTOFF32 and R_390_PLTOFF64.
(elf_s390_reloc_type_lookup): Likewise.
(struct elf_s390_link_hash_entry): Add gotplt_refcount to keep track
of GOTPLT references to a function.
(link_hash_newfunc): Initialize gotplt_refcount.
(elf_s390_check_relocs): Move allocation of local_got_refcounts array
and creation of the got section out of the main switch. Add support
for the gotoff, gotplt and pltoff relocations.
(elf_s390_gc_sweep_hook): Add reference counting for gotoff, gotplt
and pltoff.
(elf_s390_adjust_gotplt): New function.
(elf_s390_adjust_dynamic_symbol): Adjust gotplt refcount for removed
plt entries.
(allocate_dynrelocs): Add comment.
(elf_s390_relocate_section): Change r_type to unsigned. Add support
for gotoff, gotplt and pltoff relocations.
* elf64-s390.c: Same changes as for elf32-s390.c.
* libbfd.h: Regenerate.
* reloc.c: Add BFD_RELOC_390_GOTOFF64, BFD_RELOC_390_GOTPLT12,
BFD_RELOC_390_GOTPLT16, BFD_RELOC_390_GOTPLT32, BFD_RELOC_390_GOTPLT64,
BFD_RELOC_390_GOTPLTENT, BFD_RELOC_390_PLTOFF16, BFD_RELOC_390_PLTOFF32
and BFD_RELOC_390_PLTOFF64.
vectors in target_selvecs.
(shle-*-netbsdelf*): Use bfd_elf*_sh64*nbsd_vec as sh64 vectors
in target_selvecs.
(sh-*-netbsdelf*): Likewise.
* configure.in (assocvecs): New variable. Handle assocvecs like
selvecs.
* configure: Regenerate.
* format.c (bfd_check_format_matches): Store bfd_target pointers
in matching_vector instead of target names. Select first target
from bfd_associated_vector that matches a list of ambiguous targets.
* targets.c (_bfd_associated_vector): New array.
(bfd_associated_vector): New variable.
(_bfd_target_vector): Add bfd_elf*_sh64*lin_vec.
* libbfd-in.h (bfd_associated_vector): Declare.
* libbfd.h: Regenerate.
