Commit Graph

6 Commits

Author SHA1 Message Date
Alan Modra b34976b65a s/boolean/bfd_boolean/ s/true/TRUE/ s/false/FALSE/. Simplify
comparisons of bfd_boolean vars with TRUE/FALSE.  Formatting.
2002-11-30 08:39:46 +00:00
Alan Modra d6fe2dc102 * elflink.h (elf_link_add_object_symbols): Optimize stabs for
relocatable link too.
	(elf_link_input_bfd): When emitting relocs, adjust offsets for
	eh_frame and stab sections.  Zap deleted relocs.
	(elf_reloc_symbol_deleted_p): Return true for zero r_symndx.
	(elf_bfd_discard_info): Run for relocatable link too.
	* elf64-ppc.c (ppc64_elf_edit_opd): Rename from edit_opd.  Make global.
	Handle ld -r case.
	(ppc64_elf_size_dynamic_sections): Don't call edit_opd from here.
	* elf64-ppc.h (ppc64_elf_edit_opd): Declare.
2002-11-12 07:55:43 +00:00
Alan Modra 1e2f5b6e6b * elflink.h (elf_gc_mark): Pass in the section whose relocs we are
examining to gc_mark_hook, rather than the bfd.
	(elf_gc_sections): Adjust.
	* elf-bfd.h (struct elf_backend_data <gc_mark_hook>): Likewise.
	* elf-m10300.c (mn10300_elf_gc_mark_hook): Likewise.
	* 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-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-vax.c (elf_vax_gc_mark_hook): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_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-sh64.c (sh_elf64_gc_mark_hook): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_gc_mark_hook): Likewise.
	* elfxx-mips.h (_bfd_mips_elf_gc_mark_hook): Likewise.
	* elf64-x86-64.c (elf64_x86_64_gc_mark_hook): Likewise.
	* elf32-frv.c (elf32_frv_gc_mark_hook): Likewise.  Also remove
	redundant local sym tests.
	* elf64-ppc.c (struct ppc_link_hash_entry): Add is_entry.
	(link_hash_newfunc): Init is_entry.
	(ppc64_elf_copy_indirect_symbol): Copy is_entry.
	(ppc64_elf_link_hash_table_create): Init all_local_syms.
	(create_linkage_sections): Use bfd_make_section_anyway rather than
	bfd_make_section.
	(ppc64_elf_mark_entry_syms): New function.
	(ppc64_elf_check_relocs): Don't bother testing elf_bad_symtab.  Set
	up opd entry to function section map.
	(ppc64_elf_gc_mark_hook): Special case opd section relocs, and
	relocs that reference the opd section.
	(edit_opd): New function.
	(ppc64_elf_size_dynamic_sections): Call get_local_syms and edit_opd.
	(ppc64_elf_setup_section_lists): Don't calculate htab->bfd_count here.
	(get_local_syms): Do so here.  Exit if we already have local syms.
	Remove bogus comment imported from elf32-hppa.c.  Don't attempt to
	read local syms on non-ELF input.
	(ppc64_elf_size_stubs): Call _bfd_elf64_link_read_relocs rather
	than duplicating it's function here.  Adjust free of internal
	relocs to suit.
	(ppc64_elf_relocate_section): Adjust local syms in opd section.
	* elf64-ppc.h (ppc64_elf_mark_entry_syms): Declare.
	* elf32-hppa.c (elf32_hppa_size_stubs): Call
	_bfd_elf32_link_read_relocs rather than duplicating it's function
	here.  Adjust free of internal relocs to suit.
2002-07-01 08:06:47 +00:00
Alan Modra 805fc79928 * elf64-ppc.c (ppc64_elf_addr16_ha_reloc): Delete.
(ppc64_elf_ha_reloc): New function.
	(ppc64_elf_brtaken_reloc): New function.
	(ppc64_elf_sectoff_reloc): New function.
	(ppc64_elf_sectoff_ha_reloc): New function.
	(ppc64_elf_toc_reloc): New function.
	(ppc64_elf_toc_ha_reloc): New function.
	(ppc64_elf_toc64_reloc): New function.
	(ppc64_elf_unhandled_reloc): New function.
	(ppc64_elf_howto_raw): Use the above.
	<R_PPC64_RELATIVE>: Mark pc_relative, pcrel_offset.
	<R_PPC64_SECTOFF>: Not pc_relative or pcrel_offset.  Fix dst_mask.
	<R_PPC64_SECTOFF_DS>: Likewise.
	(IS_ABSOLUTE_RELOC): Update.
	(struct ppc_link_hash_table): Add have_undefweak.
	(ppc64_elf_link_hash_table_create): Init.
	(func_desc_adjust): Set have_undefweak.
	(ppc64_elf_func_desc_adjust): Call func_desc_adjust earlier.  Only
	add the .sfpr blr when have_undefweak.
	(ppc64_elf_setup_section_lists): Check hash table flavour.
	(ppc64_elf_next_input_section): Move output_section->owner test to
	ppc64elf.em.
	(ppc64_elf_set_toc): Rename to ppc64_elf_toc, remove info param
	and relocatable test.  Return TOCstart and don't set elf_gp.
	(ppc64_elf_relocate_section): Correct BRTAKEN/BRNTAKEN branch
	offset calculation.  Add assert on weak sym branch tweaks.
	* elf64-ppc.h (ppc64_elf_set_toc): Delete.
	(ppc64_elf_toc): Declare.
	(ppc64_elf_next_input_section): Update.

	* emultempl/ppc64elf.em (gld${EMULATION_NAME}_after_allocation):
	Adjust for ppc64_elf_set_toc change.  #include libbfd.h.
	(build_section_lists): Do output_section tests here.
2002-05-02 09:48:15 +00:00
Alan Modra 721956f4fe * elf64-ppc.c (CROR_151515, CROR_313131): Define.
(ppc64_elf_relocate_section): Use them.  Don't look for plt calls
	on R_PPC64_ADDR24 relocs.  Require a nop or no link reg on plt
	call branches.  Correct undefined weak destination.
	(ppc64_elf_func_desc_adjust): Always create at least one blr in
	.sfpr, and correct case where either only savef* or restf* is
	needed.

	Long branch stubs, multiple stub sections.
	* elf64-ppc.h (ppc64_elf_setup_section_lists): Declare.
	(ppc64_elf_next_input_section): Declare.
	* elf64-ppc.c: Move linker-only prototypes.
	(STUB_SUFFIX): Define.
	(enum ppc_stub_type): New.
	(struct ppc_stub_hash_entry): New.
	(struct ppc_branch_hash_entry): New.
	(struct ppc_link_hash_entry): Add stub_cache, oh.
	(struct ppc_link_hash_table): Add stub_hash_table etc.  Remove
	sstub.  Add sbrlt, srelbrlt, has_14bit_branch, stub_iteration.
	Rename plt_overflow to stub_error.
	(ppc_stub_hash_lookup): Define.
	(ppc_branch_hash_lookup): Define.
	(stub_hash_newfunc): New function.
	(branch_hash_newfunc): New function.
	(link_hash_newfunc): Init new fields.
	(ppc64_elf_link_hash_table_create): Likewise.
	(ppc64_elf_link_hash_table_free): New function.
	(ppc_stub_name): New function.
	(ppc_get_stub_entry): New function.
	(ppc_add_stub): New function.
	(create_linkage_sections): Use bfd_make_section_anyway.  Create
	.branch_lt and .rela.branch_lt sections.  Don't create .stub.
	(ppc64_elf_check_relocs): Set has_14bit_branch on R_PPC64_REL14*,
	and set up for plt call stubs.  Link func and func desc syms.
	(ppc64_elf_gc_sweep_hook): Handle REL14* as per REL24.
	(func_desc_adjust): Avoid hash lookup when func desc sym available
	via shortcut, and set links when processing.
	(ppc64_elf_hide_symbol): Likewise.
	(allocate_dynrelocs): Don't allocate stub section here.
	(ppc64_elf_size_dynamic_sections): Handle sbrlt and srelbrlt.
	Remove sstub code.
	(ppc_type_of_stub): New function.
	(build_one_stub): Delete.
	(ppc_build_one_stub): New function.
	(ppc_size_one_stub): New function.
	(ppc64_elf_setup_section_lists): New function.
	(ppc64_elf_next_input_section): New function.
	(group_sections): New function.
	(get_local_syms): New function.
	(ppc64_elf_size_stubs): Rewrite.
	(ppc64_elf_build_stubs): Rewrite.
	(ppc64_elf_relocate_section): Look up stub entry for REL24
	relocs.  Don't propagate REL14* to dynamic objects.  Look for long
	branch stubs if REL14* or REL24 relocs won't reach.
	(bfd_elf64_bfd_link_hash_table_free): Define.
2002-05-01 02:34:20 +00:00
Alan Modra 5d1634d792 * elflink.c (_bfd_elf_create_dynamic_sections): Don't set SEC_CODE
when plt_not_loaded.
	* elf64-ppc.c (ppc64_elf_create_dynamic_sections): No need to
	clear .plt SEC_CODE here.  Create .stub and correct .glink flags.
	(PLT_INITIAL_ENTRY_SIZE): Set to 24.
	(ppc64_elf_glink_code): Delete.
	(PPC64_ELF_GLINK_SIZE): Delete.
	(ADDIS_R12_R2, STD_R2_40R1, LD_R11_0R12, LD_R2_0R12, MTCTR_R11,
	BCTR, ADDIS_R12_R12_1, LD_R2_40R1, NOP, LI_R0_0, B_DOT, LIS_R0_0,
	ORI_R0_R0_0): Define.
	(PLT_CALL_STUB_SIZE, GLINK_CALL_STUB_SIZE): Define.
	(struct ppc_link_hash_table): Add sstub and plt_overflow.
	(ppc64_elf_link_hash_table_create): Init them.
	(ppc64_elf_check_relocs <R_PPC64_REL24>): Refcount .plt entry.
	Don't copy to shared lib.
	(ppc64_elf_check_relocs): Call bfd_set_error on errors.
	(ppc64_elf_gc_sweep_hook <R_PPC64_REL24>): Sweep plt refcount.
	(allocate_dynrelocs <plt>): Don't change function sym here.  Make
	room for .stub and .glink code.
	(ppc64_elf_size_dynamic_sections): Handle .stub.  Make entry for
	DT_PPC64_GLINK.
	(ppc64_elf_final_link): Rename to ppc64_elf_set_toc.  Don't call
	bfd_elf64_bfd_final_link.
	(bfd_elf64_bfd_final_link): Don't define.
	(ppc64_elf_size_stubs): New.
	(build_plt_stub): New.
	(build_one_stub): New.
	(ppc64_elf_build_stubs): New.
	(ppc64_elf_relocate_section <toc relocs>): Remove assert.
	(ppc64_elf_relocate_section): Don't copy R_PPC64_REL24 relocs.
	(ppc64_elf_finish_dynamic_symbol): Don't build stubs here.  Set
	DT_PPC64_GLINK entry.  Tweak DT_PLTGOT, DT_JMPREL, DT_PLTRELSZ in
	case output sections not separate.  Adjust DT_RELASZ to not
	include plt relocs.  Set reserved got entry.  Set got and plt
	entry size.
	(elf_backend_got_header_size): Set to 8.
	* elf64-ppc.h: New file.
2002-01-16 05:50:03 +00:00