Commit Graph

47 Commits

Author SHA1 Message Date
Alan Modra
d1778b88f8 Add a flag to asection, linker_has_input, and use it to reliably
determine whether an input section is the first one assigned to
an output section.
2001-05-17 03:58:45 +00:00
Jakub Jelinek
8550eb6e64 * merge.c (struct sec_merge_hash_entry): Add u.entsize and u.suffix
fields, change sec into secinfo.
	(struct sec_merge_info): Add chain, remove last fields.
	(struct sec_merge_sec_info): Add next, sec, psecinfo fields.
	(sec_merge_hash_lookup): If lookup could not use a string only
	because it has bad alignment, mark the old string for deletion.
	(sec_merge_add): Add secinfo argument. Don't compute entry's
	position, instead record the section.
	(sec_merge_emit): Update for the sec into secinfo change in
	struct sec_merge_hash_entry.
	(_bfd_merge_section): Only record the section for merging, defer
	putting strings into the hash table.
	(cmplengthentry, last4_eq, last_eq, record_section, merge_strings,
	_bfd_merge_sections): New functions.
	(_bfd_merged_section_offset): Update for the sec_merge_hash_entry
	changes.
	* libbfd-in.h (_bfd_merge_sections): Add prototype.
	(_bfd_nolink_bfd_merge_sections): Define.
	* libbfd.h: Likewise.
	(bfd_generic_merge_sections): Add prototype.
	* targets.c (BFD_JUMP_TABLE_LINK): Add _bfd_merge_sections.
	(struct bfd_target): Likewise.
	* bfd.c (bfd_merge_sections): Define.
	* bfd-in2.h: Rebuilt.
	* elf.c (_bfd_elf_merge_sections): New function.
	* elf-bfd.h (_bfd_elf_merge_sections): Add prototype.
	* elfxx-target.h (bfd_elfNN_bfd_merge_sections): Define.
	* reloc.c (bfd_generic_merge_sections): New function.
	* vms.c (vms_bfd_merge_sections): New function.
	* aout-adobe.c (aout_32_bfd_merge_sections): Define.
	* aout-target.h (MY_bfd_merge_sections): Define.
	* aout-tic30.c (MY_bfd_merge_sections): Define.
	* binary.c (binary_bfd_merge_sections): Define.
	* bout.c (b_out_bfd_merge_sections): Define.
	* coff-alpha.c (_bfd_ecoff_bfd_merge_sections): Define.
	* coffcode.c (coff_bfd_merge_sections): Define.
	* coff-mips.c (_bfd_ecoff_bfd_merge_sections): Define.
	* i386msdos.c (msdos_bfd_merge_sections): Define.
	* i386os9k.c (os9k_bfd_merge_sections): Define.
	* ieee.c (ieee_bfd_merge_sections): Define.
	* ihex.c (ihex_bfd_merge_sections): Define.
	* nlm-target.h (nlm_bfd_merge_sections): Define.
	* oasys.c (oasys_bfd_merge_sections): Define.
	* ppcboot.c (ppcboot_bfd_merge_sections): Define.
	* som.c (som_bfd_merge_sections): Define.
	* srec.c (srec_bfd_merge_sections): Define.
	* tekhex.c (tekhex_bfd_merge_sections): Define.
	* versados.c (versados_bfd_merge_sections): Define.
	* xcoff-target.h (_bfd_xcoff_bfd_merge_sections): Define.

	* ldlang.c (lang_process): Call bfd_merge_sections.
2001-05-11 12:23:48 +00:00
H.J. Lu
d1b2b2dcb9 2001-05-02 H.J. Lu <hjl@gnu.org>
* ldfile.c: Include "libiberty.h".
	* ldlex.l: Likewise.

	* ldmisc.c (buystring): Removed.
	* ldmisc.h: Likewise.

	* ldfile.c: Replace buystring with xstrdup.
	* ldlang.c: Likewise.
	* ldlex.l: Likewise.
	* ldmain.c: Likewise.
	* ldmisc.c: Likewise.
	* lexsup.c: Likewise.
	* mpw-eppcmac.c: Likewise.
2001-05-02 16:42:55 +00:00
Nick Clifton
884fb58eeb Give emulation a chance to process unrecognized file before fatal error is
reported, not after.
2001-04-28 18:00:10 +00:00
Jakub Jelinek
f5fa8ca231 bfd/
* libbfd-in.h (_bfd_merge_section): New.
	(_bfd_write_merged_section): New.
	(_bfd_merged_section_offset): New.
	* libbfd.h: Rebuilt.
	* linker.c (_bfd_generic_link_output_symbols): Handle
	discard_sec_merge.
	* aoutx.h (aout_link_write_symbols): Likewise.
	* pdp11.c (aout_link_write_symbols): Likewise.
	* elflink.h (elf_link_add_object_symbols): Call _bfd_merge_section.
	(elf_bfd_final_link): Adjust global symbols pointing into SEC_MERGE
	sections.
	(elf_link_sec_merge_syms): New.
	(elf_link_input_bfd): Call _bfd_merged_section_offset
	and _bfd_write_merged_section.
	Handle discard_sec_merge.
	* elf-bfd.h (struct elf_link_hash_table): Add merge_info
	field.
	(struct bfd_elf_section_data): Likewise.
	* elf.c (_bfd_elf_make_section_from_shdr): Set SEC_MERGE and
	SEC_STRINGS section flags and entsize from their ELF counterparts.
	(_bfd_elf_link_hash_table_init): Initialize merge_info.
	(elf_fake_sections): Set SHF_MERGE, SHF_STRINGS and sh_entsize
	from their BFD counterparts.
	* merge.c: New file.
	* Makefile.am: Add strtab.lo.
	* Makefile.in: Rebuilt.
include/
	* bfdlink.h (bfd_link_discard): Add discard_sec_merge.
gas/
	* config/obj-elf.c (obj_elf_change_section): Add entsize argument,
	handle SHF_MERGE and SHF_STRINGS.
	(obj_elf_parse_section_letters): Set SHF_MERGE and SHF_STRINGS.
	(obj_elf_section): Allow additional argument specifying entity size.
	* write.c (adjust_reloc_syms): Keep relocations against local symbols
	in SEC_MERGE sections.
ld/
	* ldmain.c (main): Default to discard_sec_merge.
	* lexsup.c (OPTION_DISCARD_NONE): Define.
	(ld_options): Add --discard-none.
	(parse_args): Handle OPTION_DISCARD_NONE.
	* ldlang.c (wild_doit): SEC_MERGE should be set in the output
	section only if SEC_MERGE and SEC_STRINGS flags and entsize of
	all its input sections match.
2001-04-13 00:34:36 +00:00
Nick Clifton
a2b64bede3 Fixtypos in ChangeLogs, fix copyright dates in files 2001-03-13 06:14:29 +00:00
Nick Clifton
1276aefac0 BFD: Catch & report unhandled PE section flags.
LD: Catch BFD errors whilst loading symbols and do not produce an executable.
2001-02-27 01:38:06 +00:00
Alan Modra
02aa14fb32 (lang_leave_overlay): Don't set lma_region when load_base is specified. 2001-01-25 02:31:42 +00:00
Alan Modra
c1eb148815 Only set lma_region from the default for the first section
of a group of overlay sections.
2001-01-23 11:48:28 +00:00
H.J. Lu
b92473047e 2001-01-16 H.J. Lu <hjl@gnu.org>
* ldlang.c (lang_check): Merge the private data only if the
	input file has contents.
2001-01-16 21:04:29 +00:00
Alan Modra
577a062318 Extend "ld --unique" functionality. 2001-01-14 04:36:35 +00:00
Nick Clifton
037849a9a0 Revert the last beautification with "innocent" whitespace,
it breaks the K&R C preprocessor.
2000-12-13 18:28:52 +00:00
Nick Clifton
2be3aa031f Add support for x86_64-*-linux-gnu* target 2000-11-30 19:30:33 +00:00
Alan Modra
24376d1b58 Another try at correcting relocations against discarded
link-once section symbols.
2000-10-12 03:44:51 +00:00
Kazu Hirata
89cdebba13 2000-10-09 Kazu Hirata <kazu@hxi.com>
* ldcref.c: Fix formatting.
	* ldctor.h: Likewise.
	* ldemul.c: Likewise.
	* ldemul.h: Likewise.
	* ldexp.c: Likewise.
	* ldexp.h: Likewise.
	* ldfile.c: Likewise.
	* ldfile.h: Likewise.
	* ld.h: Likewise.
	* ldlang.c: Likewise.
	* ldlang.h: Likewise.
	* ldmain.c: Likewise.
2000-10-09 15:09:17 +00:00
Kazu Hirata
08da4cac4a 2000-10-05 Kazu Hirata <kazu@hxi.com>
* ldlang.c: Fix formatting.
2000-10-05 13:03:30 +00:00
Kazu Hirata
4de2d33d1b 2000-09-29 Kazu Hirata <kazu@hxi.com>
* ldcref.c: Fix formatting.
	* ldctor.c: Likewise.
	* ldemul.c: Likewise.
	* ldexp.c: Likewise.
	* ldfile.c: Likewise.
	* ldlang.c: Likewise.
2000-09-29 11:18:18 +00:00
Alan Modra
5f992e6228 A tidy of ld/ldlang.c, and add missing Makefile dependencies
I should have added with the 2000-07-28 patch.
2000-09-05 03:21:16 +00:00
Nick Clifton
c13b1b775b When choosing the target for a particular endianness, do nothing if the target
is not supported.
2000-08-25 20:44:09 +00:00
Alan Modra
b71e277823 Remove some forward declarations in ldemul.h and ldfile.h, and
re-arrange header include order.
Fix shadowing warnings in ldlang.h
Fix compile errors in mpw-elfmips.c
2000-07-11 03:42:41 +00:00
Timothy Wall
74459f0e3e tic54x/ibmc54xdsp target for ld. 2000-06-20 13:29:07 +00:00
H.J. Lu
cd4c806ac9 2000-05-10 H.J. Lu <hjl@gnu.org>
* ldlang.c (open_input_bfds): Don't load the same file within
	a group again if the whole archive has been loaded already.
2000-05-10 23:12:35 +00:00
Alan Modra
aea4bd9d34 place_orphan optimisations 2000-04-25 05:14:16 +00:00
Alan Modra
f6af82bd44 This lot mainly cleans up `comparison between signed and unsigned' gcc
warnings.  One usused var, and a macro parenthesis fix too.  Also check
input sections are elf when doing gc in elflink.h.
2000-02-21 12:01:27 +00:00
Timothy Wall
562d3460fb Add LMA memory region functionality. 2000-02-16 18:53:32 +00:00
Timothy Wall
9e4ed18ce8 These snippets were missed in the previous bytes vs octets patch to
the linker.
2000-02-09 14:42:48 +00:00
Timothy Wall
32edc927fa Fix typo in ALIGN_N usage. 2000-02-04 19:49:21 +00:00
Timothy Wall
4cbfc3ac19 Add octets vs bytes functionality to LD. 2000-02-03 18:24:46 +00:00
Nick Clifton
13392b77a7 fix typo in comment. 2000-01-21 17:44:51 +00:00
Nick Clifton
cce4c4c5bd Apply H.J.'s patch to fix NOLOAD section sizes and dot updates 2000-01-18 23:58:58 +00:00
Catherine Moore
18625d5459 * ld.h (wildcard_spec): Change exclude_name to exclude_name_list.
(name_list): New.
        * ld.texinfo (EXCLUDE_FILE): Update documentation.
        * ldgram.y (wildcard_spec): Support a list of excluded_files.
        (exclude_name_list): New.
        ldlang.c (walk_wild_section): Support list of excluded files.
        (print_wild_statement): Likewise.
        (lang_add_wild): Likewise.
        * ldlang.h (lang_wild_statement_type): Likewise.
        * scripttempl/elf.sc (OTHER_EXCLUDE_FILES): Support.
2000-01-05 14:12:23 +00:00
Nick Clifton
50e05050cd Fix bug in previous delta 1999-11-24 11:43:11 +00:00
Nick Clifton
33275c22c0 Do not check sections without a LOAD attribute for overlap 1999-11-23 14:13:07 +00:00
Ian Lance Taylor
9503fd8735 1999-11-01 Steve Chamberlain <sac@pobox.com>
* ldlang.c (section_already_linked): Rework to use hash table.
	(already_linked_newfunc): New function.
	(already_linked_table_init): New function.
	(already_linked_table_free): New function.
	(lang_process): Initialize and free the already_linked hash table.
1999-11-01 23:37:48 +00:00
Ian Lance Taylor
bb8fe706a0 1999-09-12 Donn Terry <donn@interix.com>
* ldlang.c (section_already_linked): Use comdat information if it
	is available.
1999-09-12 16:10:00 +00:00
Ian Lance Taylor
1b69a0bfca * ldlang.c (open_output): Change local variable desired_endian
from int to enum bfd_endian.
1999-09-12 14:50:15 +00:00
Ian Lance Taylor
fe9edd2275 From Wally Iimura <iimura@microunity.com>:
* ldlang.c (lang_size_sections): When checking whether an address
	is within a region, don't get confused by wrapping around at the
	end of the address space.
1999-08-09 06:14:09 +00:00
Ian Lance Taylor
667f51773f * ldlang.c (wild_doit): Update for renaming of SEC_SHORT to
SEC_SMALL_DATA.
1999-08-09 03:22:27 +00:00
Doug Evans
7c83b342ee * ldlang.c (lang_gc_sections): Only handle the start symbol
specially if there is one.
1999-07-20 22:27:31 +00:00
Nick Clifton
e50d80767c Improve selection of output format 1999-07-19 14:57:03 +00:00
Richard Henderson
9e41f97317 * ldlang.c (wild_doit): Copy SEC_SHORT to output section. 1999-07-14 16:45:13 +00:00
Ian Lance Taylor
87f2a3464b * Many files: Changes to avoid gcc warnings: Add ATTRIBUTE_UNUSED
as appropriate.  Fill in structure initializations.
1999-07-11 20:09:04 +00:00
Ian Lance Taylor
e361c369df * ldlang.c: Revert change of 1999-06-23. 1999-07-02 07:45:31 +00:00
Ian Lance Taylor
7b9eea348f * ldlang.c (section_already_linked): Only discard link once
sections if we are building constructors.
1999-06-22 21:13:24 +00:00
Ian Lance Taylor
aa8804e46e This fixes ! to work as documented in a memory region attribute list.
From Thomas Zenker <thz@lennartz-electronic.de>:
	* ldgram.y (attributes_opt): Use attributes_list instead of NAME.
	(attributes_list, attributes_string): New nonterminals.
	* ldlang.c (lang_set_flags): Add invert parameter.  Don't handle
	'!'.
	* ldlang.c (lang_set_flags): Update declaration.
1999-06-12 21:24:56 +00:00
Richard Henderson
4dec4d4e74 * ldlang.c (walk_wild, walk_wild_file, walk_wild_section,
output_section_callback, gc_section_callback): New functions for
     generic section walks.
     (wild, lang_gc_wild): Use walk_wild.
     (wild_file, lang_gc_wild_file): Deleted. Common logic moved to
     walk_wild_file.
     (wild_section, lang_gc_wild_section): Deleted. Common logic moved
     to walk_fild_section.  Unique logic moved into callbacks
     output_section_callback and gc_section_callback.
1999-05-08 23:40:58 +00:00
Richard Henderson
252b5132c7 19990502 sourceware import 1999-05-03 07:29:11 +00:00