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Diffstat (limited to 'bfd/ChangeLog')
| -rw-r--r-- | bfd/ChangeLog | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 02ff947..814b34f 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,69 @@ +Thu Jun 25 18:31:41 1998 Richard Henderson <rth@cygnus.com> + + ELF Section-level Garbage Collection: + * bfd.c (bfd_gc_sections): New. + * aout-adobe.c: Hook to default implementation. + * aout-target.h, aout-tic30.c, binary.c, bout.c: Likewise. + * coff-alpha.c, coff-mips.c, coff-rs6000.c, coffcode.h: Likewise. + * evax-alpha.c, i386msdos.c, i386os9k.c, ieee.c: Likewise. + * ihex.c, nlm-target.h, oasys.c, ppcboot.c, srec.c: Likewise. + * tekhex.c, versados.c: Likewise. + * libbfd-in.h (_bfd_nolink_bfd_gc_sections): New. + * targets.c (BFD_JUMP_TABLE_LINK): Add _bfd_gc_sections. + + * reloc.c (BFD_RELOC_VTABLE_INHERIT, BFD_RELOC_VTABLE_ENTRY): New. + (bfd_generic_gc_sections): New. + * section.c (SEC_KEEP): New. + (asection): Add gc_mark member. + + * elfcode.h (elf_gc*): New name remappings. + * elflink.h (elf_link_input_bfd): Don't set contents on stabs + sections to be excluded. + (elf_gc_mark, elf_gc_sweep, elf_gc_sweep_symbol): New. + (elf_gc_propogate_vtable_entries_used): New. + (elf_gc_smash_unused_vtentry_relocs): New. + (elf_gc_sections, elf_gc_record_vtinherit, elf_gc_record_vtentry): New. + (elf_gc_common_finalize_got_offsets): New. + (elf_gc_allocate_got_offsets, elf_gc_common_final_link): New. + * elfxx-target.h: Add and default gc hooks. + + * elf-bfd.h (struct elf_link_hash_entry): Swap got_offset/plt_offset + for unions. + (struct elf_obj_tdata): Likewise for local_got_offsets. + * elf.c, elf-i386.c, elf32-m68k.c, elf32-mips.c: Update all uses. + * elf32-ppc.c, elf32-sparc.c, elf64-alpha.c: Likewise. + * elf64-sparc.c, elflink.h: Likewise. + + * elf-bfd.h (struct elf_link_hash_entry): Add vtable members. + (ELF_LINK_HASH_MARK): Define. + (struct elf_backend_data): Add GC hooks. + * elf.c (_bfd_elf_link_hash_newfunc): Zero vtable members. + + * elf-m10300.c (mn10300_elf_check_relocs): New. + (mn10300_elf_gc_mark_hook): New. + (R_MN10300_GNU_VTINHERIT, R_MN10300_GNU_VTENTRY): New. + (elf_mn10300_howto, mn10300_reloc_map): Handle them. + (mn10300_elf_final_link_relocate): Likewise. + (mn10300_elf_relocate_section): Likewise. + (elf_backend_can_gc_sections): Define. + * elf32-mips.c (R_MIPS_GNU_VTINHERIT, R_MIPS_GNU_VTENTRY): New. + (elf_mips_gnu_vtinherit_howto, elf_mips_gnu_vtentry_howto): New. + (bfd_elf32_bfd_reloc_type_lookup): Handle them. + (mips_info_to_howto_rel): Likewise. + (mips_elf_relocate_section): Likewise. + (mips_elf_check_relocs): Likewise. + (mips_elf_gc_mark_hook, mips_elf_gc_sweep_hook): New. + (elf_backend_can_gc_sections): Define. + * elf32-ppc.c (R_PPC_GNU_VTINHERIT, R_PPC_GNU_VTENTRY): New. + (ppc_elf_howto_raw): Handle them. + (ppc_elf_reloc_type_lookup): Likewise. + (ppc_elf_relocate_section): Likewise. + (ppc_elf_check_relocs): Reference count .got and .plt entires. + Handle new vtable relocs. + (ppc_elf_adjust_dynamic_symbol): Recognize unused .plt entries. + (ppc_elf_gc_mark_hook, ppc_elf_gc_sweep_hook): New. + (elf_backend_can_gc_sections): Define. + Fri Jun 26 10:48:23 1998 Jeffrey A Law (law@cygnus.com) * archures.c (bfd_mach_mn10300): Define. |