common, set the alignment.
(aout_link_add_symbols): Restrict the alignment of a common symbol
to the alignment power given by the architecture.
* elf.c (_bfd_elf_link_hash_newfunc): Don't initialize align. Do
initialize copy_offset.
* elf32-i386.c (elf_i386_adjust_dynamic_symbol): Use copy_offset
field rather than align field. Get alignment using bfd_log2
rather than switch.
* elf32-sparc.c (elf32_sparc_adjust_dynamic_symbol): Likewise.
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use copy_offset,
not align.
* elf32-sparc.c (elf32_sparc_finish_dynamic_symbol): Likewise.
It's the wrong way to do things.
(HOWTO): Change accordingly.
(HOWTO2): Remove.
(_bfd_final_link_relocate): Remove references to
special_function1.
* bfd-in2.h: Rebuilt.
* aoutx.h (aout_link_input_section_std): Remove references to
special_function1.
(aout_link_reloc_link_order): Likewise.
argument. If it is not NULL, use it to set DT_RPATH.
* bfd-in.h (bfd_elf32_size_dynamic_sections): Update prototype.
(bfd_elf64_size_dynamic_sections): Likewise.
* bfd-in2.h: Rebuilt.
* elfcode.h (elf_link_add_object_symbols): If symbol is defined as
weak, set ELF_LINK_HASH_DEFINED_WEAK.
(elf_link_output_extsym): If symbol is defined as weak, mark it
STB_WEAK.
(shdr_name): Remove; unused.
* elfcode.h (elf_slurp_reloc_table): Rewrote to handle both REL
and RELA relocs. Free up the unswapped relocs. Permit the relocs
to be cached in the section_data. Correct the reloc address.
(elf_slurp_reloca_table): Remove.
(elf_canonicalize_reloc): Rewrote.
(elf_link_input_bfd): Permit the relocs to be cached in the
section data.
hpux-core.c, irix-core.c, lynx-core.c, osf-core.c, ptrace-core.c,
rs6000-core.c, trad-core.c: Remove SEC_ALLOC flag from .reg
sections, .reg sections are not allocated and contain debug
information only.
* osf-core.c (make_bfd_asection, osf_core_core_file_p): Use
bfd_make_section_anyway instead of building unique section names.
additionally copy object type information from the alpha file
header to the BFD flags.
(alpha_ecoff_backend_data): Use it.
(ecoffalpha_little_vec): Add DYNAMIC to object_flags.
* aout64.c: Fix typo in conditional QMAGIC definition.
* elfcode.h (swap_symbol_in, swap_symbol_out): Externalize.
(elf_compute_section_file_positions): Pass link_info to
the begin_write_processing hook.
(bfd_elf_write_object_contents): Pass NULL for new link_info
argument to final_write_processing hook.
(elf_link_output_sym): Accept new "input_section" argument for
the symbols's input section. All callers changed. Call the
link_output_symbol_hook if it's defined.
(elf_bfd_final_link): Call the final_write_processing hook if
it's defined.
* libelf.h (elf_backend_link_output_symbol_hook): Declare.
(elf_backend_begin_write_processing): Add new "info" argument.
(elf_backend_final_write_processing): Likewise.
* elf32-target.h (elf_backend_link_output_symbol_hook): Provide
a default definition.
(elf32_bed): Add elf_backend_link_output_symbol_hook.
* elf64-target.h: Likewise.
* Major rework of the PA ELF code. Uses the new style BFD
linker, major cleanups.
* hppa_stubs.h: Rewrite from scratch. Much smaller and simpler.
* elf32-hppa.h: Delete all symbol extension related code.
(hppa_look_for_stubs_in_section): Delete decl.
(elf32_hppa_size_stubs, elf32_hppa_build_stubs): New decls.
* elf32-hppa.c: Symbol extension stuff moved form elf32-hppa.h
into elf32-hppa.c. Do not include aout64.h.
(typdef hppa_stub_type): Delete.
(elf32_hppa_stub_name_list_struct): Delete.
(elf32_hppa_stub_description_struct): Delete.
(arg_reloc_type): Use simpler enumerations. All references changed.
(arg_location, arg_reloc_relocation): Likewise.
(elf32_hppa_symextn_map_struct): Delete.
(get_symbol_value): Delete.
(elf32_hppa_get_sym_extn): Delete.
(find_stubs, new_stubs, type_of_mismatch): Delete.
(find_stub_by_name, add_stub_by_name): Delete.
(hppa_elf_stub_finish, hppa_elf_stub_reloc): Delete.
(hppa_elf_arg_reloc_needed): Renamed. Simplify.
(hppa_elf_build_linker_stub, hppa_elf_create_stub_sec): Delete.
(hppa_elf_long_branch_needed_p): Delete.
(hppa_look_for_stubs_in_section): Delete.
(hppa_elf_get_section_contents): Delete.
(elf32_hppa_backend_symbol_processing): Delete.
(elf32_hppa_backend_section_processing): Delete.
(elf32_hppa_backend_section_from_shdr): Delete.
(elf32_hppa_backend_fake_sections): Delete.
(elf32_hppa_backend_section_from_bfd_section): Delete.
(NEW_INSTRUCTION): Delete.
(CURRENT_STUB_OFFSET): Delete.
(elf32_hppa_relocate_section): New function.
(elf32_hppa_bfd_final_link_relocate): New function.
(elf32_hppa_size_symext): New function.
(elf32_hppa_link_output_symbol_hook): New function.
(elf32_hppa_read_symext_info): New function.
(elf32_hppa_add_symbol_hook): New function.
(elf32_hppa_name_of_stub): New function.
(elf32_hppa_size_of_stub): New function.
(elf32_hppa_build_one_sub): New function.
(elf32_hppa_build_stubs): New function.
(elf32_hppa_size_stubs): New function.
(linker, stub and argument hash tables): Add appropriate
structures, definitions and functions to implement all three
hash tables.
(hppa_elf_relocate_insn): Don't need argument location information
in this function.
(add_entry_to_symext_chain): Accept a symbol's argument location
information rather than the symbol itself. All callers changed.
(hppa_elf_gen_reloc_type): Simplify.
(hppa_elf_set_section_contents): Stub section is no longer special.
(hppa_elf_reloc): Greatly simplify.
(elf32_hppa_begin_write_processing): Accept link_info argument.
Handle being called from the BFD backend linker.
(elf32_hppa_final_write_processing): Likewise.
(elf_hppa_tc_make_sections): No longer call stub_finish.
to prototype.
* elfcode.h (elf_link_input_bfd): New argument "output_names"
added to prototype of relocate_section. Pass the output symbol
names to relocate_section.
* elf32-i386.c (elf_i386_relocate_section): Use "output_names" to
determine the name of a local symbol.
* elf32-mips.c (mips_elf_relocate_section): Likewise.
* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
for mips target.
* mpw-make.in: Remove mips targets definitions, add rule to
compile with GCC, remove ecoff.c.o and ecofflink.c.o from list of
required object files.
SunOS4 a.out files) core file handling.
* aoutf1.h (external_solaris_bcp_core, swapcore_solaris_bcp):
New structure and its swap in function.
(internal_sunos_core): New member c_data_addr, to receive the
start address of the data section in the core file.
(swapcore_sun3, swapcore_sparc, sunos4_core_file_p): Use it.
(sunos4_core_file_p): Recognize Solaris BCP core file.
(sunos4_core_file_matches_executable_p): Always indicate match
for Solaris BCP core files.
Youngdale <ericy@cais.cais.com>.
* elfcode.h (prep_headers): If DYNAMIC, set e_type to ET_DYN.
(elf_link_add_object_symbols): If generating a shared library,
create dynamic sections for first input BFD with the right format.
(elf_link_create_dynamic_sections): Don't create .interp section
if creating a shared library.
(elf_link_input_bfd): Skip dynamic sections in input file.
(elf_bfd_final_link): If creating a shared library, it's OK for
dynobj to have sections which are not SEC_IN_MEMORY.
* elf32-i386.c (elf_i386_size_dynamic_sections): Only set .interp
section if not creating a shared library.
* elf32-sparc.c (elf_sparc_size_dynamic_sections): Likewise.
obstack_alloc returns NULL unless the size is non-zero.
* linker.c (archive_hash_allocate): Define.
(_bfd_generic_link_add_archive_symbols): Use archive_hash_allocate
rather than obstack_alloc, for clarity.
* libaout.h (struct aoutdata): Add field zmagic_disk_block_size.
* aout-target.h (MY(callback)): Only set alignment according to
architecture if the section sizes are aligned to that alignment,
for backward compatibility.
(MY(set_sizes)): Initialize zmagic_disk_block_size field.
* aoutx.h (adjust_z_magic): Set ztih if using q_magic_format. Set
text section filepos to zmagic_disk_block_size if not ztih. Use a
different padding algorithm if not ztih.
* i386linux.c (MY_text_includes_header): Don't define.
(bfd_abs_section_ptr, bfd_is_abs_section): Define.
(bfd_und_section): Make const.
(bfd_und_section_ptr, bfd_is_und_section): Define.
(bfd_com_section): Make const.
(bfd_com_section_ptr): Define.
(bfd_ind_section): Make const.
(bfd_ind_section_ptr, bfd_is_ind_section): Define.
(bfd_abs_symbol, bfd_com_symbol): Make const.
(bfd_und_symbol, bfd_ind_symbol): Likewise.
(global_syms): Cast initialization of section field.
(STD_SECTION): Define as const, and cast initializations.
* bfd-in2.h: Rebuilt.
* Many files: Change uses of bfd_abs_section, etc., to use
bfd_abs_section_ptr or bfd_is_abs_section, etc.
when computing reloc sizes. From Eric Youngdale
<ericy@cais.cais.com>.
* elfcode.h (elf_bfd_final_link): Don't try to compute maximum
reloc count or size for a non-ELF file.
