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23 Commits

Author SHA1 Message Date
Nick Clifton
5ed6aba41c Fix memory leaks 2003-03-31 18:13:25 +00:00
Andreas Schwab
84f97cb641 * elf-eh-frame.c (get_DW_EH_PE_signed): Define. 
(read_value): Add parameter is_signed, use signed extraction if
	the value is signed.
	(_bfd_elf_write_section_eh_frame): Pass signed flag of the
	encoding to read_value.
 2003-02-06 23:01:04 +00:00
Alan Modra
68bfbfcc5a bfd 
* elf-bfd.h (enum elf_link_info_type): Remove.
	(struct bfd_elf_section_data): Move sec_info_type, use_rela_p fields
	to struct sec.  Remove linkonce_p field.
	(elf_linkonce_p): Delete.
	(elf_discarded_section): Update for sec_info_type change.
	* section.c (struct sec): Add sec_info_type, use_rela_p, has_tls_reloc,
	flag11, flag12, flag13, flag14, flag15, flag16, flag20, flag24.
	(ELF_INFO_TYPE_NONE): Define.
	(ELF_INFO_TYPE_STABS): Define.
	(ELF_INFO_TYPE_MERGE): Define.
	(ELF_INFO_TYPE_EH_FRAME): Define.
	(ELF_INFO_TYPE_JUST_SYMS): Define.
	(STD_SECTION): Update struct sec initializer.
	* ecoff.c (bfd_debug_section): Likewise.
	* elf.c: Likewise.  Update occurrences of sec_info_type and use_rela_p.
	* elflink.h: Likewise.
	* elf-eh-frame.c: Likewise.
	* elf64-alpha.c: Likewise.
	* elfxx-ia64.c: Likewise.
	* elfxx-mips.c: Likewise.
	* bfd-in2.h: Regenerate.

	* elf32-sparc.c (sec_do_relax): Use elf_section_data macro rather than
	referring to used_by_bfd.
	* elf64-sparc.c (sec_do_relax): Likewise.
	* elf64-mmix.c (mmix_elf_section_data): Likewise.
	* elfxx-mips.c (mips_elf_section_data): Likewise.
	* ieee.c (ieee_slurp_section_data): Use ieee_per_section macro.
	(ieee_get_section_contents): Likewise.
	(ieee_new_section_hook): Formatting.
	(ieee_canonicalize_reloc): Remove commented out code.
	* mmo.c (mmo_section_data): Define.  Use throughout file.
	* oasys.c (oasys_get_section_contents): Use oasys_per_section macro.

gas
	* config/obj-elf.c (obj_elf_change_section): Set SEC_LINK_ONCE and
	SEC_LINK_DUPLICATES_DISCARD directly rather than using elf_linkonce_p.
 2003-02-04 12:34:08 +00:00
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
73722af036 * elf-eh-frame.c (ENSURE_NO_RELOCS): Disregard R_*_NONE relocs. 
(_bfd_elf_discard_section_eh_frame): Don't discard duplicate CIEs
	on a relocatable link.  Comment typos.
	* elf.c (_bfd_elf_link_hash_newfunc): Assign elements of structure
	in the order they are declared.  Clear elf_hash_value too.
	(_bfd_elf_link_hash_table_init): Likewise assign in order.  Clear
	eh_info and tls_segment.
	* elflink.h (elf_link_input_bfd <emit_relocs>): Keep reloc offsets
	sorted when discarding relocs by turning them into R_*_NONE.

	* libbfd.c (warn_deprecated): Comment spelling.
	* po/SRC-POTFILES.in: Regenerate.
 2002-11-26 11:54:02 +00:00
Alan Modra
126495ed15 * elf-bfd.h (struct cie_header): Move from elf_eh-frame.c. 
(struct cie, struct eh_cie_fde, struct eh_frame_sec_info): Likewise.
	(struct eh_frame_array_ent, struct eh_frame_hdr_info): Likewise.
	(enum elf_link_info_type): Remove ELF_INFO_TYPE_EH_FRAME_HDR.
	(struct eh_frame_hdr_info): Add "hdr_sec", remove "split".
	(struct elf_link_hash_table): Add eh_info.
	(struct elf_obj_tdata): Change eh_frame_hdr to an asection *.
	(_bfd_elf_discard_section_eh_frame): Update prototype.
	(_bfd_elf_discard_section_eh_frame_hdr): Likewise.
	(_bfd_elf_write_section_eh_frame): Likewise.
	(_bfd_elf_write_section_eh_frame_hdr): Likewise.
	* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Remove "ehdrsec"
	param.  Get "hdr_info" from link hash table.
	(_bfd_elf_discard_section_eh_frame_hdr): Remove "sec" param.  Get
	header section from link hash table.  Save header section to elf_tdata.
	(_bfd_elf_maybe_strip_eh_frame_hdr): Remove local "sec".  Use
	header section from link hash table.  Don't alloc hdr_info.  Clear
	hdr_sec instead of setting "strip".
	(_bfd_elf_eh_frame_section_offset): Formatting.
	(_bfd_elf_write_section_eh_frame): Remove "ehdrsec", add "info" param.
	Get header section from link hash table.
	(_bfd_elf_write_section_eh_frame_hdr): Remove "sec", add "info" param.
	Get header section from link hash table.
	* elf.c (map_sections_to_segments): Use cached eh_frame_hdr.
	(get_program_header_size): Likewise.
	(_bfd_elf_section_offset): Formatting.
	* elflink.h (elf_link_create_dynamic_sections): Stash eh frame header
	section pointer in link hash table.
	(elf_bfd_final_link): Adjust _bfd_elf_write_section_eh_frame_hdr
	and _bfd_elf_write_section_eh_frame calls.  Update comment about
	eh_frame entries.
	(elf_bfd_discard_info): Adjust _bfd_elf_discard_section_eh_frame and
	_bfd_elf_discard_section_eh_frame_hdr calls.  Remove "ehdr".

	* po/SRC-POTFILES.in: Regenerate.
 2002-11-12 07:35:26 +00:00
Alan Modra
99eb2ac83d * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Don't zero 
relocs for discarded FDEs.  Remove dead code.
	(_bfd_elf_write_section_eh_frame_hdr): Remove dead code.
	* elflink.h (elf_bfd_discard_info): Don't save edited relocs.
	Tidy conditions under which stabs are edited.  Formatting.
	* elf64-sparc.c (sparc64_elf_relocate_section): Ignore overflows
	from discarded relocs.
	* elfxx-ia64.c (elfNN_ia64_install_dyn_reloc): Add reloc output
	section adjustments after testing magic values.
 2002-11-12 06:21:05 +00:00
David O'Brien
e68cc12e04 2002-10-31 David O'Brien <obrien@FreeBSD.org> 
* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Don't mix
	signed and unsigned in comparison.

Approved by:  Alan Modra <amodra@bigpond.net.au>
              Message-ID: <20021012185224.Y979@bubble.sa.bigpond.net.au>
 2002-10-31 09:18:48 +00:00
Alan Modra
ad34bc37c1 * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Zero relocs 
for discarded FDEs.  Remove redundant assignment.
	* elflink.h (elf_bfd_discard_info): Save edited relocs.
 2002-09-23 10:52:03 +00:00
Nick Clifton
7e326afc19 Undo previous delta. Add comment explaining why. 2002-08-23 09:42:21 +00:00
Nick Clifton
a4263c47c0 Use a simple byte read when reading the return address register column. 2002-08-22 20:00:14 +00:00
Alan Modra
8c2ab17d27 * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Add PARAMS to 
argument declaration.
 2002-08-20 23:45:41 +00:00
Alan Modra
2d653fc760 Fix ld --just-symbols 
* aix5ppc-core.c: Warning fixes.
	* aout-adobe.c (aout_32_bfd_link_just_syms): Define.
	* aout-target.h (MY_bfd_link_just_syms): Define.
	* aout-tic30.c (MY_bfd_link_just_syms): Define.
	* bfd.c (bfd_link_just_syms): Define.
	* binary.c (binary_bfd_link_just_syms): Define.
	* bout.c (b_out_bfd_link_just_syms): Define.
	* coff-rs6000.c (rs6000coff_vec, pmac_xcoff_vec): Update initializer.
	* coff64-rs6000.c (rs6000coff64_vec, aix5coff64_vec): Likewise.
	* coffcode.h (coff_bfd_link_just_syms): Define.
	* elf-bfd.h (enum elf_link_info_type): Add ELF_INFO_TYPE_JUST_SYMS.
	(elf_discarded_section): Check for ELF_INFO_TYPE_JUST_SYMS.
	(_bfd_elf_link_just_syms): Declare.
	* elf.c (_bfd_elf_link_just_syms): New function.
	* elf-eh-frame.c (_bfd_elf_maybe_strip_eh_frame_hdr): Check that
	sections haven't already been discarded by the linker.
	* elflink.h (elf_link_add_object_symbols): Likewise for stab
	sections and SEC_MERGE sections.
	(elf_bfd_discard_info): Similarly here.
	* elfxx-target.h (bfd_elfNN_bfd_link_just_syms): Define.
	* i386msdos.c (msdos_bfd_link_just_syms): Define.
	* i386os9k.c (os9k_bfd_link_just_syms): Define.
	* ieee.c (ieee_bfd_link_just_syms): Define.
	* ihex.c (ihex_bfd_link_just_syms): Define.
	* libbfd-in.h (_bfd_nolink_bfd_link_just_syms): Define.
	(_bfd_generic_link_just_syms): Declare.
	* libecoff.h (_bfd_ecoff_bfd_link_just_syms): Define.
	* linker.c (_bfd_generic_link_just_syms): New function.
	* mmo.c (mmo_bfd_link_just_syms): Define.
	* nlm-target.h (nlm_bfd_link_just_syms): Define.
	* oasys.c (oasys_bfd_link_just_syms): Define.
	* ppcboot.c (ppcboot_bfd_link_just_syms): Define.
	* som.c (som_bfd_link_just_syms): Define.
	* srec.c (srec_bfd_link_just_syms): Define.
	* targets.c (struct bfd_target): Add _bfd_link_just_syms.
	(BFD_JUMP_TABLE_LINK): And here.
	* tekhex.c (tekhex_bfd_link_just_syms): Define.
	* versados.c (versados_bfd_link_just_syms): Define.
	* vms.c (vms_bfd_link_just_syms): Define.
	* libbfd.h: Regenerate.
	* bfd-in2.h: Regenerate.
 2002-05-15 00:18:58 +00:00
Jakub Jelinek
af40ce3c79 * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Don't build 
search table if some FDE is DW_EH_PE_aligned encoded either.
	(_bfd_elf_write_section_eh_frame): Handle terminating FDE specially.
 2002-04-22 21:37:48 +00:00
Jakub Jelinek
09ae86c216 * elf-eh-frame.c (struct eh_cie_fde): Add per_encoding_relative. 
(_bfd_elf_discard_section_eh_frame): Set it for CIEs with pcrel
	encoded personality.
	(_bfd_elf_write_section_eh_frame): Adjust pcrel encoded personality
	for CIE/FDE removal.
 2002-04-22 12:06:01 +00:00
Jakub Jelinek
0bb2d96afe * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Enable 
absptr -> pcrel optimization for shared libs.
	Only create minimal .eh_frame_hdr if absptr FDE encoding in shared
	library cannot be converted to pcrel.
	(_bfd_elf_eh_frame_section_offset): Return -2 if making absptr
	relative.
	* elf32-i386.c (elf_i386_relocate_section): If
	_bfd_elf_section_offset returned -2, skip, but make sure the
	relocation is installed.
	* elf32-arm.h (elf32_arm_final_link_relocate): Likewise.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i370.c (i370_elf_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
	* elf64-sparc.c	(sparc64_elf_relocate_section): Likewise.
	* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Handle
	_bfd_elf_section_offset returning -2 the same way as -1.
	* elfxx-ia64.c (elfNN_ia64_install_dyn_reloc): Likewise.
	* elf32-mips.c (mips_elf_create_dynamic_relocation): Add FIXME
	and BFD_ASSERT.
	* elf64-mips.c (mips_elf64_create_dynamic_relocation): Likewise.
 2002-02-19 12:40:32 +00:00
Alan Modra
c68836a9c0 * elf-eh-frame.c (_bfd_elf_eh_frame_section_offset): Avoid 
unsigned overflow when new_offset < old_offset.
 2002-01-25 06:24:34 +00:00
Jakub Jelinek
a3aa38ee6c * elf-eh-frame.c (_bfd_elf_write_section_eh_frame): Don't crash if 
CIE at .eh_frame start is removed due to no FDEs referencing it.
 2002-01-04 17:02:30 +00:00
Jakub Jelinek
57a7219709 * elflink.h (elf_bfd_final_link): Check if dynobj is not NULL 
before looking for .eh_frame_hdr section.
	* elf-eh-frame.c (_bfd_elf_write_section_eh_frame_hdr): If
	.eh_frame_hdr section is being stripped from output, don't do
	anything.
 2001-12-31 11:49:10 +00:00
Jakub Jelinek
a5eb27e6ff * elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): If new_size 
is 0, temporarily grow it to minimal CIE size.
	(_bfd_elf_write_section_eh_frame): If input .eh_frame section would
	end up empty, build a fake minimal CIE.
 2001-12-19 11:48:15 +00:00
Jakub Jelinek
9e2a48988a * elf-eh-frame.c (struct cie): Add make_lsda_relative. 
(struct eh_cie_fde): Add lsda_encoding, lsda_offset,
	make_lsda_relative.
	(read_value, write_value): New.
	(_bfd_elf_discard_section_eh_frame): Inicialize
	lsda_encoding, lsda_offset and make_lsda_relative.
	(_bfd_elf_eh_frame_section_offset): If make_lsda_relative,
	request no dynamic reloc for LSDA field of FDE.
	(_bfd_elf_write_section_eh_frame): Handle make_lsda_relative.
	If a non-DW_EH_PE_absptr value is 0, don't adjust it by base
	or pcrel.  Fix address computation for DW_EH_PE_pcrel relocs.
	Update LSDA field if LSDA encoding is DW_EH_PE_pcrel, because
	. might have changed due to deleted FDE or CIEs.
 2001-12-18 11:49:52 +00:00
Jakub Jelinek
68f691521a * elf-bfd.h (_bfd_elf_maybe_strip_eh_frame_hdr): New prototype. 
* elf-eh-frame.c (struct eh_frame_hdr_info): Add strip.
	(_bfd_elf_discard_section_eh_frame): Don't create .eh_frame_hdr
	sec_info here.  Free ehbuf.
	(_bfd_elf_discard_section_eh_frame_hdr): Don't size the section
	if hdr_info->strip.
	(_bfd_elf_maybe_strip_eh_frame_hdr): New.
	* elflink.h (size_dynamic_sections): Call it.
 2001-12-15 08:54:13 +00:00
Jakub Jelinek
6576570080 * elf-bfd.h (enum elf_link_info_type): New. 
(struct bfd_elf_section_data): Remove stab_info and merge_info
	fields, add sec_info and sec_info_type.
	(struct elf_obj_tdata): Add eh_frame_hdr field.
	(_bfd_elf_discard_section_eh_frame): New prototype.
	(_bfd_elf_discard_section_eh_frame_hdr): Likewise.
	(_bfd_elf_eh_frame_section_offset): Likewise.
	(_bfd_elf_write_section_eh_frame): Likewise.
	(_bfd_elf_write_section_eh_frame_hdr): Likewise.
	* Makefile.am (BFD32_BACKENDS): Add elf-eh-frame.lo.
	(BFD32_BACKENDS_CFILES): Add elf-eh-frame.c.
	(elf-eh-frame.lo): New.
	* Makefile.in: Rebuilt.
	* configure.in (elf): Add elf-eh-frame.lo.
	* configure: Rebuilt.
	* elf.c (_bfd_elf_print_private_bfd_data): Support PT_GNU_EH_FRAME.
	(map_sections_to_segments): Create PT_GNU_EH_FRAME if requested.
	(get_program_header_size): Take into account PT_GNU_EH_FRAME
	segment.
	(_bfd_elf_rela_local_sym): Use sec_info_type and sec_info.
	(_bfd_elf_rel_local_sym): Likewise.
	(_bfd_elf_section_offset): Likewise.  Call
	_bfd_elf_eh_frame_section_offset too.
	* elfxx-ia64.c (elfNN_ia64_relocate_section): Use sec_info_type and
	sec_info.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf-eh-frame.c: New file.
	* elflink.h (elf_link_add_object_symbols): Don't optimize SHF_MERGE
	.stab sections.  Set sec_info_type, use sec_info instead
	of merge_info and stab_info.
	(elf_link_create_dynamic_sections): Create .eh_frame_hdr section
	if --eh-frame-hdr.
	(elf_bfd_final_link): Write .eh_frame_hdr section.
	(elf_link_sec_merge_syms): Use sec_info_type and sec_info.
	(elf_link_input_bfd): Likewise.
	Call _bfd_elf_write_section_eh_frame to write .eh_frame sections.
	(elf_bfd_discard_info): Add output_bfd argument.
	Call _bfd_elf_discard_section_eh_frame and
	_bfd_elf_discard_section_eh_frame_hdr.
	(elf_section_ignore_discarded_relocs): Use sec_info_type, not section
	names.
	* bfd-in.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Adjust
	prototypes.
	* bfd-in2.h (bfd_elf32_discard_info, bfd_elf64_discard_info): Likewise.

	* elf/common.h (PT_GNU_EH_FRAME): Define.
	* bfdlink.h (struct bfd_link_info): Add eh_frame_hdr field.

	* emultempl/elf32.em (finish): Supply output_bfd
	to bfd_elf*_discard_info.
	(OPTION_EH_FRAME_HDR): Define.
	(longopts): Add --eh-frame-hdr.
	(parse_args): Handle it.
	(list_options): Add --eh-frame-hdr to help.
	* emultempl/hppaelf.em (finish): Supply output_bfd
	to bfd_elf*_discard_info.
	* scripttempl/elf.sc (.eh_frame_hdr): Add.

	* readelf.c (get_segment_type): Support PT_GNU_EH_FRAME.
 2001-12-13 11:09:34 +00:00