+2001-12-17 Alan Modra <amodra@bigpond.net.au>
+ Support for more than 64k ELF sections.
+ * elf-bfd.h (elf_size_info <swap_symbol_out>): Add shndx param.
+ (bfd_elf32_swap_symbol_in): Likewise.
+ (bfd_elf32_swap_symbol_out): Likewise.
+ (bfd_elf64_swap_symbol_in): Likewise.
+ (bfd_elf64_swap_symbol_out): Likewise.
+ (elf_reloc_cookie): Add locsym_shndx field. Make locsyms a PTR.
+ (elf_obj_tdata): Add num_elf_sections, symtab_shndx_hdr and
+ symtab_shndx_section.
+ (elf_numsections): Define.
+ (elf_symtab_shndx): Define.
+ * elf.c (setup_group): Use elf_numsections rather than header e_shnum.
+ (bfd_elf_find_section): Likewise.
+ (bfd_section_from_elf_index): Likewise.
+ (bfd_section_from_shdr): Likewise. Handle SHT_SYMTAB_SHNDX.
+ (bfd_section_from_r_symndx): Read symbol shndx extension, and
+ translate st_shndx for > SHN_HIRESERVE.
+ (assign_section_numbers): Skip reserved sections. Assign
+ symtab_shndx_section and elf_numsections. Exclude reserved
+ sections from e_shnum. Set up symtab_shndx_hdr.
+ (_bfd_elf_compute_section_file_positions): Handle symtab_shndx_hdr.
+ (map_sections_to_segments): Don't map eh_frame_hdr unless required.
+ (assign_file_positions_except_relocs): Use elf_numsections rather
+ than header e_shnum. Skip reserved sections and symtab_shndx_section.
+ (prep_headers): Set name for symtab_shndx_hdr.
+ (_bfd_elf_assign_file_positions_for_relocs): Use elf_numsections.
+ (_bfd_elf_write_object_contents): Likewise. Skip reserved sections.
+ (_bfd_elf_section_from_bfd_section): Check bfd_{abs,com,und}_section
+ first. Use elf_section_data if available. Use elf_numsections.
+ Start scan at index 1.
+ (copy_private_bfd_data ): Comment fixes.
+ (MAP_ONESYMTAB): Define above SHN_HIOS.
+ (MAP_DYNSYMTAB): Likewise.
+ (MAP_STRTAB): Likewise.
+ (MAP_SHSTRTAB): Likewise.
+ (MAP_SYM_SHNDX): New define.
+ (_bfd_elf_copy_private_symbol_data): Handle symtab_shndx_section.
+ (swap_out_syms): Swap out SHT_SYMTAB_SHNDX section too.
+ * elfcode.h (elf_swap_symbol_in): Add shndx param, and handle shndx
+ extension.
+ (elf_swap_symbol_out): Likewise.
+ (elf_object_p): Set elf_numsections, and use instead of e_shnum.
+ Initialialise reserved elf_elfsections to point at shdr[0]. Remove
+ redundant bfd_release calls.
+ (elf_slurp_symbol_table): Read symbol shndx extension, and use with
+ elf_swap_symbol_in. Translate st_shndx for > SHN_HIRESERVE too.
+ * elflink.h (elf_link_is_defined_archive_symbol): Read symbol shndx
+ extension, and use with elf_swap_symbol_in.
+ (elf_link_record_local_dynamic_symbol): Likewise.
+ (elf_link_add_object_symbols): Likewise. Also translate st_shndx
+ for elf sections > SHN_HIRESERVE.
+ (NAME(bfd_elf,size_dynamic_sections)): Adjust elf_swap_symbol_out
+ call.
+ (struct elf_final_link_info): Add locsym_shndx and symshndxbuf.
+ (elf_bfd_final_link): Allocate the above, and tidy code allocating
+ other buffers. Use elf_numsections instead of e_shnum. Adjust
+ elf_swap_symbol_out calls.
+ (elf_link_output_sym): Swap out symbol shndx extension too.
+ (elf_link_flush_output_syms): And flush them to disk.
+ (elf_link_output_extsym): Use SHN_BAD. Adjust elf_swap_symbol_out
+ calls.
+ (elf_gc_mark): Read symbol shndx extension, and use with
+ elf_swap_symbol_in.
+ (elf_link_input_bfd): Likewise, Translate st_shndx for elf sections
+ > SHN_HIRESERVE too. Use SHN_BAD.
+ (elf_reloc_symbol_deleted_p): Use symbol shndx extensions with
+ elf_swap_symbol_in. Translate st_shndx > SHN_HIRESERVE too.
+ (elf_bfd_discard_info): Read symbol shndx extension. Don't attempt
+ to continue after a bfd error.
+ * elf-m10200.c (mn10200_elf_relax_section): Only read local syms.
+ Stash them immediately to symtab_hdr->contents rather than later
+ in multiple places. Clean up afterwards. Read symbol shndx
+ extension, and use with swap_symbol_in. Translate SHN_UNDEF,
+ SHN_ABS, SHN_COMMON and elf sections > SHN_HIRESERVE to bfd
+ sections too. Remove dead code.
+ (mn10200_elf_relax_delete_bytes): Use symbol shndx extension
+ when swapping in symbols. Tidy code adjusting global syms.
+ Don't swap in global syms.
+ (mn10200_elf_symbol_address_p): Likewise. Remove extsyms param.
+ (mn10200_elf_get_relocated_section_contents): Read symbol shndx
+ extension, and use with swap_symbol_in. Rename "size" -> "amt"
+ to maximize code in common with other files. Translate st_shndx
+ for > SHN_HIRESERVE too. Remove dead code.
+ * elf-m10300.c (mn10300_elf_relax_section): Only read local syms.
+ Stash them immediately to symtab_hdr->contents rather than later
+ in multiple places. Clean up afterwards. Read symbol shndx
+ extension, and use with swap_symbol_in. Remove dead code.
+ (mn10300_elf_relax_delete_bytes): As for elf-m10200.c.
+ (mn10300_elf_symbol_address_p): Likewise.
+ (mn10300_elf_get_relocated_section_contents): Likewise.
+ * elf32-h8300.c (elf32_h8_relax_section): As for elf-m10300.c.
+ (elf32_h8_relax_delete_bytes): Likewise.
+ (elf32_h8_symbol_address_p): Likewise.
+ (elf32_h8_get_relocated_section_contents): Likewise.
+ * elf32-hppa.c (elf32_hppa_size_stubs): Read symbol shndx
+ extension, and use with swap_symbol_in.
+ * elf64-hppa.c (elf64_hppa_check_relocs): Likewise.
+ * elf32-i370.c (i370_elf_finish_dynamic_sections): Adjust call to
+ bfd_elf32_swap_symbol_out.
+ * elf32-m32r.c (m32r_elf_get_relocated_section_contents): Translate
+ elf sections > SHN_HIRESERVE too.
+ * elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Only read
+ local syms. Read symbol shndx extension, and use with swap_symbol_in.
+ * elf32-mips.c (_bfd_mips_elf_final_write_processing): Use
+ elf_numsections rather than header e_shnum.
+ * elf32-sh.c (sh_elf_relax_section): As for elf-m10300.c.
+ (sh_elf_relax_delete_bytes): Likewise.
+ (sh_elf_get_relocated_section_contents): Likewise. Only read local
+ symbols.
+ * elf32-v850.c (v850_elf_symbol_processing): Use an unsigned int to
+ hold section index. Use elf_numsections rather than e_shnum.
+ Rename "index" -> "indx" to avoid shadowing warning.
+ (v850_elf_add_symbol_hook): Likewise.
+ * elf64-alpha.c (elf64_alpha_relax_section): Only read local syms.
+ Read symbol shndx extension, and use with swap_symbol_in.
+ * elf32-xstormy16.c (xstormy16_elf_relax_section): Likewise.
+ Translate SHN_COMMON and elf sections > SHN_HIRESERVE too.
+ * elfxx-ia64.c (elfNN_ia64_relax_section): Likewise.
+ (elfNN_ia64_aix_add_symbol_hook): Use elf_numsections.
+
+ * elf-m10300.c (mn10300_elf_gc_mark_hook): Remove unnecessary checks
+ before calling bfd_section_from_elf_index on local syms.
+ * elf32-arm.h (elf32_arm_gc_mark_hook): Likewise.
+ * elf32-avr.c (elf32_avr_gc_mark_hook): Likewise.
+ * elf32-cris.c (cris_elf_gc_mark_hook): Likewise.
+ * elf32-d10v.c (elf32_d10v_gc_mark_hook): Likewise.
+ * elf32-fr30.c (fr30_elf_gc_mark_hook): Likewise.
+ * elf32-hppa.c (elf32_hppa_gc_mark_hook): Likewise.
+ * elf32-i386.c (elf_i386_gc_mark_hook): Likewise.
+ * elf32-m32r.c (m32r_elf_gc_mark_hook): Likewise.
+ * elf32-m68k.c (elf_m68k_gc_mark_hook): Likewise.
+ * elf32-mcore.c (mcore_elf_gc_mark_hook): Likewise.
+ * elf32-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
+ * elf32-openrisc.c (openrisc_elf_gc_mark_hook): Likewise.
+ * elf32-ppc.c (ppc_elf_gc_mark_hook): Likewise.
+ * elf32-s390.c (elf_s390_gc_mark_hook): Likewise.
+ * elf32-sh.c (sh_elf_gc_mark_hook): Likewise.
+ * elf32-sparc.c (elf32_sparc_gc_mark_hook): Likewise.
+ * elf32-v850.c (v850_elf_gc_mark_hook): Likewise.
+ * elf32-xstormy16.c (xstormy16_elf_gc_mark_hook): Likewise.
+ * elf64-mips.c (mips_elf64_gc_mark_hook): Likewise.
+ * elf64-mmix.c (mmix_elf_gc_mark_hook): Likewise.
+ * elf64-ppc.c (ppc64_elf_gc_mark_hook): Likewise.
+ * elf64-s390.c (elf_s390_gc_mark_hook): Likewise.
+ * elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
+
2001-12-17 Alan Modra <amodra@bigpond.net.au>
+ Hash bfd sections for fast lookup and create.
* bfd.c (struct _bfd): Add section_htab, section_tail.
* libbfd-in.h (_bfd_delete_bfd): Declare.
(bfd_section_hash_newfunc): Declare.
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