* elf64-mips.c (mips_elf64_howto_table_rel): Likewise.
(mips_elf64_howto_table_rela): Likewise.
* elfcode.h (elf_slurp_reloc_table_from_section): New function,
split out from ...
(elf_slurp_reloc_table): Here. Use it to handle the case where a
single section has two associated relocation sections.
may_use_rel_p, may_use_rela_p, default_use_rela_p.
(bfd_elf_section_data): Add use_rela_p.
* elf.c (bfd_section_from_shdr): Set use_rela_p appropriately.
(_bfd_elf_new_section_hook): Likewise.
(elf_fake_sections): Use may_use_rela_p, etc., instead of
use_rela_p.
(_bfd_elf_copy_private_section_data): Copy use_rela_p.
* elfcode.h (write_relocs): Determine whether or not use rela
relocs based on the relocation section header.
* elflink.c (_bfd_elf_create_dynamic_sections): Use default_use_rela_p
instead of use_rela_p.
* elfxx-target.h (elf_backend_may_use_relp): New macro.
(elf_backend_may_use_rela_p): Likewise.
(elf_backend_default_use_rela_p): Likewise.
(elfNN_bed): Use them.
setting ever. Sanity check the version number. Sort out copying
flags and other information when adding an indirect symbol.
(NAME(bfd_elf,size_dynamic_sections)): Preserve any dynamic
symbols added by the backend. Clear the entire contents of the
versym section.
(elf_export_symbol): Ignore indirect symbols.
(elf_link_output_extsym): Accept a section without an owner in an
assert.
* elfcode.h (elf_slurp_symbol_table): Add a sanity check on the
version count. Correct the allocation of x_versymp.
* elf64-mips.c: New file.
* Makefile.in: Rebuild dependencies.
(BFD64_BACKENDS): Add elf64-mips.o.
(BFD64_BACKENDS_CFILES): Add elf64-mips.c.
* config.bfd (mips*el-*-elf*) Add bfd_elf64_bigmips_vec and
bfd_elf64_littlemips_vec to targ_selvecs.
(mips*-*-elf*): Likewise.
* confingure.in: Add bfd_elf64_bigmips_vec and
bfd_elf64_littlemips_vec to vector switch.
* configure: Rebuild.
* elf32-mips.c (_bfd_mips_elf_section_from_shdr): New function,
broken out of mips_elf_section_from_shdr.
(mips_elf32_section_from_shdr): Rename from
mips_elf_section_from_shdr. Call new function.
(elf_backend_section_from_shdr): Update name of renamed function.
* elf-bfd.h (struct elf_size_info): Change second parameter of
write_out_phdrs to be const. Likewise for second parameter of
swap_symbol_out.
(struct bfd_elf_section_data): Add rel_hdr2 field.
(bfd_elf32_swap_symbol_in): Change second parameter to be const.
(bfd_elf32_swap_symbol_out): Likewise.
(bfd_elf32_swap_reloc_in): Likewise.
(bfd_elf32_swap_reloc_out): Likewise.
(bfd_elf32_swap_reloca_in): Likewise.
(bfd_elf32_swap_reloca_out): Likewise.
(bfd_elf32_swap_phdr_in): Likewise.
(bfd_elf32_swap_phdr_out): Likewise.
(bfd_elf32_swap_dyn_in): Likewise.
(bfd_elf32_swap_dyn_out): Likewise.
(bfd_elf32_slurp_symbol_table): Declare.
(bfd_elf32_write_shdrs_and_ehdr): Declare.
(bfd_elf32_write_out_phdrs): Declare.
(bfd_elf64_swap_symbol_in): Change second parameter to be const.
(bfd_elf64_swap_symbol_out): Likewise.
(bfd_elf64_swap_reloc_in): Likewise.
(bfd_elf64_swap_reloc_out): Likewise.
(bfd_elf64_swap_reloca_in): Likewise.
(bfd_elf64_swap_reloca_out): Likewise.
(bfd_elf64_swap_phdr_in): Likewise.
(bfd_elf64_swap_phdr_out): Likewise.
(bfd_elf64_swap_dyn_in): Likewise.
(bfd_elf64_swap_dyn_out): Likewise.
(bfd_elf64_slurp_symbol_table): Declare.
(bfd_elf64_write_shdrs_and_ehdr): Declare.
(bfd_elf64_write_out_phdrs): Declare.
(_bfd_mips_elf_section_from_shdr): Declare.
* elf.c (bfd_section_from_shdr): Remove assertion requiring
SHT_REL/SHT_RELA to match use_rela_p. If there is already a reloc
section for the section, add the new one to rel_hdr2. Increment
reloc_count rather than setting it.
* elfcode.h (elf_slurp_symbol_table): Define name as macro.
Remove static declaration.
(elf_write_shdrs_and_ehdr): Define name as macro.
(elf_write_out_phdrs): Likewise.
(elf_swap_ehdr_in, elf_swap_ehdr_out): Declare.
(elf_swap_shdr_in, elf_swap_shdr_out): Declare.
(elf_swap_symbol_in): Change second parameter to be const.
(elf_swap_symbol_out): Likewise.
(elf_swap_ehdr_in, elf_swap_ehdr_out): Likewise.
(elf_swap_shdr_in, elf_swap_shdr_out): Likewise.
(elf_swap_phdr_in, elf_swap_phdr_out): Likewise.
(elf_swap_reloc_in, elf_swap_reloc_out): Likewise.
(elf_swap_reloca_in, elf_swap_reloca_out): Likewise.
(elf_write_out_phdrs): Rename from write_out_phdrs. Change second
parameter to be const. Make non-static.
(elf_write_shdrs_and_ehdr): Rename from write_shdrs_and_ehdr.
Make non-static.
(elf_slurp_symbol_table): Make non-static.
(NAME(_bfd_elf,size_info)): Update names of renamed functions.
* elfxx-target.h (elf_info_to_howto): Define if not defined.
(elf_backend_size_info): Likewise.
(elfNN_bed): Use elf_backend_size_info.
* targets.c (bfd_elf64_bigmips_vec): Declare.
(bfd_elf64_littlemips_vec): Declare.
(bfd_target_vector): Add bfd_elf64_bigmips_vec and
bfd_elf64_littlemips_vec if BFD64 is defined.
* syms.c (stt): Add entries for zerovars, vars, and code.
* elfcode.h (validate_reloc): New static function.
(write_relocs): Call validate_reloc for non ELF relocs.
* elfxx-target.h (elf_symbol_leading_char): Define if not defined.
(TARGET_BIG_SYM): Use elf_symbol_leading_char.
(TARGET_LITTLE_SYM): Likewise.
* config.bfd (m68*-*-psos*): New target.
dynamic section, if there is one.
* elf-bfd.h (struct elf_size_info): Add swap_dyn_in field.
(bfd_elf32_swap_dyn_in): Change type of second parameter to PTR.
(bfd_elf64_swap_dyn_in): Likewise.
* elfcode.h (elf_swap_dyn_in): Change type of second parameter to
PTR.
(NAME(_bfd_elf,size_info)): Initialize swap_dyn_in field.
(bfd_zmalloc): Return PTR, not char *. Take size_t, not
bfd_size_type.
* libbfd-in.h (bfd_malloc, bfd_realloc): Declare.
(bfd_zmalloc): Change declaration.
* libbfd.h: Rebuild.
* Many files: Use bfd_malloc and bfd_realloc rather than malloc
and realloc. Don't set bfd_error_no_memory if they fail.
obstack_alloc fails.
(bfd_alloc_finish): Set bfd_error_no_memory if obstack_finish
fails.
* libbfd.c (bfd_zmalloc): Set bfd_error_no_memory if malloc fails.
* Many files: don't set bfd_error_no_memory if one of the above
routines fails.
systems that have a system <libelf.h>.
* Makefile.in: Globally replace libelf.h with elf-bfd.h.
* bfd.c, elf.c, elf32-arc.c, elf32-gen.c, elf32-hppa.c,
elf32-hppa.h, elf32-i386.c, elf32-i860.c, elf32-m68k.c,
elf32-m88k.c, elf32-mips.c, elf32-ppc.c, elf32-sparc.c,
elf64-gen.c, elf64-sparc.c, elfcode.h, elflink.c,
elfxx-target.h: Include elf-bfd.h rather than libelf.h.
* elfxx-target.h: Change libelf.h reference to elf-bfd.h.
Moved some mostly size-independent stuff from elfcode.h to elf.c, adding a data
structure to elfcode.h with some misc data and callback functions. Added a
pointer to that structure to the target back end data. More work can be done
here.
Renamed generic elf routines (not cpu-specific stuff) to start with bfd_elf or
_bfd_elf. Updated most call sites, sometimes defined some macros.
Moved some dynamic linking support code from m68k, sparc, i386 to common files,
using target back end flags to control behavior. More work can probably be
done here too.
Moved core- and linker-support code out of elfcode.h to elf.c, elfcore.h,
elflink.h, or elflink.c. Now elfcode.h contains only .o and executable
support, plus #includes of elfcore.h and elflink.h. Much of the contents of
these other header files can probably still be moved from the .h files to the
.c files, to get compiled only once.
Cleaned up some "gcc -Wall" warnings regarding unused or uninitialized
variables, in generic and cpu-specific code.
saw_needed field.
* elfcode.h (elf_link_add_object_symbols): If elf_dt_needed_name
is an empty string, don't make a DT_NEEDED entry in the output
file. Record all DT_NEEDED entries found in input dynamic
objects.
(elf_link_output_extsym): Don't check saw_needed when issuing
warnings.
* elf.c (_bfd_elf_link_hash_table_init): Initialize needed, not
saw_needed.
(bfd_elf_get_needed_list): New function.
* bfd-in.h (struct bfd_elf_link_needed_list): Define.
(bfd_elf_get_needed_list): Define.
* bfd-in2.h: Rebuild.
PR 7083.
(bfd_errmsgs): Add string for bfd_error_no_armap.
* bfd-in2.h: Rebuild.
* ecoff.c (ecoff_link_add_archive_symbols): If an archive has no
armap, set bfd_error_no_armap rather than bfd_error_no_symbols.
* elfcode.h (elf_link_add_archive_symbols): Likewise.
* linker.c (_bfd_generic_link_add_archive_symbols): Likewise.
symbol information structure. Don't bother to check for common
symbol size overflow.
(_bfd_generic_link_add_one_symbol): Likewise.
* aoutx.h (aout_link_check_ar_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Adjust references
to common symbol information for new structure.
(_bfd_generic_link_add_one_symbol): Likewise.
* aoutx.h (aout_link_check_ar_symbols): Likewise.
(aout_link_add_symbols): Likewise.
* ecoff.c (ecoff_link_add_externals): Likewise.
* elfcode.h (elf_link_add_object_symbols): Likewise.
(elf_link_output_extsym): Likewise.
* sunos.c (sunos_add_one_symbol): Likewise.
* elfcode.h (elf_link_add_object_symbols): Set saw_needed if
DT_NEEDED seen in .dynamic section.
(elf_link_output_extsym): Warn if an undefined symbol is
only referenced from a dynamic object, and not making a shared
object, and saw_needed is false.
* elf.c (_bfd_elf_link_hash_table_init): Initialize saw_needed.
and DT_FINI dynamic entries based on the existence of _init and
_fini symbols, not on the .init and .fini sections. This is
compatible with some SVR4 linkers.
(elf_bfd_final_link): Corresponding change.
error if an empty archive has no symbol table.
* ecoff.c (ecoff_link_add_archive_symbols): Likewise.
* elfcode.h (elf_link_add_archive_symbols): Likewise.
* elfcode.h (NAME(bfd_elf,size_dynamic_sections)): Don't finalize
the .dynsym, .dynstr or .hash sections until after the backend
size_dynamic_sections routine, so that it can add dynamic symbols
if it wants to.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Don't define the
symbol to be in the .plt section when generating a shared library
if it is a defined symbol.
* elf32-sparc.c (elf32_sparc_adjust_dynamic_symbol): Likewise.
(elf32_sparc_size_dynamic_sections): When generating a shared
library, allocate space for a dynamic symbol for each output
section, storing the index in the dynindx field of the ELF section
data. Adjust the other dynindx fields to account for this.
(elf32_sparc_adjust_dynindx): New static function.
(elf32_sparc_relocate_section): When copying a reloc into a shared
library, use the original addend as appropriate. Convert an
R_SPARC_32 reloc into an R_SPARC_RELATIVE reloc. Use the dynamic
symbol index of the output section, not the normal symbol index.
(elf32_sparc_finish_dynamic_sections): Don't die if a section does
not exist when setting the value of the dynamic tags. Write out
a dynamic symbol for each output section.
objects were seen, even when linking PIC code.
* libelf.h (ELF_LINK_HASH_NEEDS_PLT): Define.
(struct elf_link_hash_table): Add field dynamic_sections_created.
* elfcode.h (elf_link_record_dynamic_symbol): Create dynstr if it
doesn't already exist.
(elf_link_add_object_symbols): Create dynamic sections based on
dynamic_sections_created field, not dynobj field. Don't bother to
set dynobj.
(elf_link_create_dynamic_sections): If dynamic sections were
already created, don't do anything. If dynobj is already set, use
it; otherwise, set it to the bfd argument. Don't initialize
dynsymcount. Only create dynstr if it does not exist. Set
dynamic_sections_created to true.
(NAME(bfd_elf,size_dynamic_sections)): Skip most of this function
if no dynamic objects were seen.
(elf_adjust_dynamic_symbol): If a symbol has the
ELF_LINK_HASH_NEEDS_PLT flag set, let the backend adjust it.
(elf_bfd_final_link): Change most decisions based on dynobj to
check dynamic_sections_created instead.
(elf_link_output_extsym): Only handle dynamic symbols if a dynamic
object was seen.
* elf.c (_bfd_elf_link_hash_table_init): Initialize new field
dynamic_sections_created. Set dynsymcount to 1, not 0.
* elf32-i386.c (elf_i386_create_dynamic_sections): Call
elf_i386_create_got_section rather than creating the .got and
.got.plt sections.
(elf_i386_create_got_section): New static function.
(elf_i386_check_relocs): Just call elf_i386_create_got_section if
a GOT table is needed, not bfd_elf32_link_create_dynamic_sections.
Only create the .rel.got section, and only make space for a reloc,
for a global symbol or when generating a shared object. For a
R_386_PLT32 reloc, just set the ELF_LINK_HASH_NEEDS_PLT flag.
(elf_i386_adjust_dynamic_symbol): Rework initial assertion to
permit ELF_LINK_HASH_NEEDS_PLT non dynamic symbols. Create a
procedure linkage table entry for such symbols. But, if no
dynamic objects were seen, never create a PLT entry.
(elf_i386_size_dynamic_sections): If no dynamic objects were seen,
skip most of this function, and force the size of the .rel.got
section to zero.
(elf_i386_relocate_section): For a R_386_GOT32 reloc against a global
symbol when no dynamic object was seen, initialize the contents of
the .got section. For a R_386_GOT32 against a local symbol, only
create a R_386_RELATIVE reloc when generating a shared object.
Treat a R_386_PLT32 reloc against a symbol for which we did not
create a PLT entry as a R_386_PC32 reloc.
(elf_i386_finish_dynamic_sections): Only fiddle with the dynamic
entries and the PLT if we saw a dynamic object.
* elf32-sparc.c (elf_sparc_howto_table): Fix R_SPARC_PC22 by
setting rightshift to 10. Fix R_SPARC_WPLT20 by setting
rightshift to 2, size to 2, bitsize to 30, and dst_mask to
0x3fffffff.
(elf32_sparc_create_dynamic_sections): Don't set the size of the
.plt section. Call elf32_sparc_create_got_section rather than
creating the .got section.
(elf32_sparc_check_relocs): Call elf32_sparc_create_got_section if
a GOT table is needed, not bfd_elf32_link_create_dynamic_sections.
Only create the .rela.got section, and only make space for a
reloc, for a global symbol or when generating a shared object.
Set the alignment of the .rela.got section to 2. For a
R_SPARC_WPLT30 reloc, just set the ELF_LINK_HASH_NEEDS_PLT flag.
(elf32_sparc_adjust_dynamic_symbol): Rework initial assertion to
permit ELF_LINK_HASH_NEDS_PLT non dynamic symbols. Create a
procedure linkage table for such symbols. But, if no dynamic
objects were seen, never create a PLT entry. Initialize the size
of the .plt section.
(elf32_sparc_size_dynamic_sections): If no dynamic objects were
seen, skip most of this function, and force the size of the
.rela.got section to zero. Strip empty reloc sections, and strip
an empty .plt section.
(elf32_sparc_relocate_section): For a GOT reloc against a global
symbol when no dynamic object was seen, initialize the contents of
the .got section. For a GOT reloc against a local symbol, only
create a R_SPARC_RELATIVE reloc when generating a shared object.
Treat a R_SPARC_WPLT30 reloc against a symbol for which we did not
create a PLT entry as a R_SPARC_WDISP30 reloc.
(elf32_sparc_finish_dynamic_sections): Only fiddle with the
dynamic entries and the PLT if we saw a dynamic object.
Mark Mitchell
Richard Henderson
Stan Shebs
Tom Tromey
Ian Lance Taylor
Fred Fish
Ken Raeburn
Steve Chamberlain
David Edelsohn
Michael Meissner