Commit Graph

51 Commits

Author SHA1 Message Date
H.J. Lu
3194163592 Check symbols with undefine version. 2002-08-08 03:50:18 +00:00
Nick Clifton
f7c33884fa Add new field to bfd_link structure and use it to control how common symbols
are extracted from archives.
2002-07-31 12:50:09 +00:00
Alan Modra
e3e942e990 * ldlang.h (entry_sym): Make it a struct bfd_sym_chain.
* ldlang.c (entry_sym): Likewise.
	(ldlang_undef_chain_list_type): Likewise.
	(lang_finish): Adjust references to entry_symbol.
	(lang_add_entry): Likewise.
	(lang_gc_sections): Use link_info.gc_sym_list.
	(lang_process): Set link_info.gc_sym_list.
	* ldlex.l: Include bfdlink.h.
	* ldmain.c (main): Init link_info.gc_sym_list.
	* emultempl/aix.em: Adjust references to entry_symbol.
	* emultempl/armcoff.em: Likewise.
	* emultempl/armelf.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/ppc64elf.em (ppc_after_open): New function.
	(LDEMUL_AFTER_OPEN): Define.
	* emulparams/elf64ppc.sh: KEEP .opd sections.
2002-07-01 08:07:31 +00:00
Nick Clifton
e0076ab314 Enable pei386_auto_import by default. Only print a info message about auto
imports being resilved if this feature was not requested via a command line
switch.
2002-06-07 14:56:01 +00:00
H.J. Lu
aa713662e8 2002-05-21 H.J. Lu (hjl@gnu.org)
* emultempl/elf32.em (gld${EMULATION_NAME}_parse_args): Handle
	"-z muldefs".
	(gld${EMULATION_NAME}_list_options): Add "-z muldefs".

	* ld.texinfo: Updated for --allow-multiple-definition and
	"-z muldefs".

	* ldmain.c (main): Initialize the allow_multiple_definition
	field to false.

	* lexsup.c (OPTION_ALLOW_MULTIPLE_DEFINITION): New.
	(ld_options): Add --allow-multiple-definition.
	(parse_args): Support OPTION_ALLOW_MULTIPLE_DEFINITION.
2002-05-22 05:08:31 +00:00
Jakub Jelinek
f4d733664a * ldmain.c (main): Enable -z combreloc by default. 2002-05-10 09:49:25 +00:00
Kazu Hirata
b7a26f91f4 * ld.h: Fix formatting.
* ldexp.c: Likewise.
	* ldfile.c: Likewise.
	* ldlang.c: Likewise.
	* ldmain.c: Likewise.
	* lexsup.c: Likewise.
	* pe-dll.c: Likewise.
2002-05-03 13:48:55 +00:00
Alan Modra
862120bdbe * ldmain.c (main): Move .text readonly flag fudges from here..
* ldlang.c (lang_process): ..to here.
2002-03-18 02:55:51 +00:00
Alan Modra
2c382fb6f5 Support arbitrary length fill patterns.
* ldexp.h (etree_value_type): Add "str" field.
	(union etree_union): Add "str" to "value" struct.
	(exp_bigintop): Declare.
	(exp_get_fill): Declare.
	* ldexp.c: Include "safe-ctype.h".
	(exp_intop): Set value.str to NULL.
	(exp_bigintop): New function.
	(new_rel): Pass in "str", and set new.str from it.
	(new_rel_from_section): Set new.str to NULL.
	(fold_name): Adjust calls to new_rel.
	(exp_fold_tree): Likewise.
	(exp_get_fill): New function.
	* ldgram.y (struct big_int bigint, fill_type *fill): New.
	(INT): Returns a "bigint".  Adjust all code handling INTs.
	(fill_opt): Returns a "fill".
	(fill_exp): Split out of fill_opt, use for FILL.
	* ldlang.h (struct _fill_type): New.
	(fill_type): Move typedef to ldexp.h.
	(lang_output_section_statement_type): "fill" is now a pointer.
	(lang_fill_statement_type): Likewise.
	(lang_padding_statement_type): Likewise.
	(lang_add_fill): Now takes a "fill_type *" param.
	(lang_leave_output_section_statement): Likewise.
	(lang_do_assignments): Likewise.
	(lang_size_sections): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	* ldlang.c: Include ldgram.h after ldexp.h.
	(lang_output_section_statement_lookup): Adjust for fill_type change.
	(print_fill_statement): Likewise.
	(print_padding_statement): Likewise.
	(insert_pad): Now takes a "fill_type *" arg.
	(size_input_section): Likewise.
	(lang_size_sections_1): Likewise.
	(lang_size_sections): Likewise.
	(lang_do_assignments): Likewise.
	(lang_add_fill): Likewise.
	(lang_leave_output_section_statement): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	Adjust all callers of the above function.
	* ldlex.l: Include ldgram.h after ldexp.h.  Allow hex numbers
	starting with "0X" as well as "0x".  Return bigint.str for hex
	numbers starting with "0x" or "0X", zero bigint.str otherwise.
	Always use base 16 for numbers starting with "$".
	* ldmain.c: Include ldgram.h after ldexp.h.
	* ldwrite.c (build_link_order): Use bfd_data_link_order in place
	of bfd_fill_link_order.
	* pe-dll.c: Adjust lang_do_assignments calls.
	* emultempl/elf32.em: Likewise.
	* emultempl/hppaelf.em: Likewise.
	* emultempl/ppc64elf.em: Likewise.
	* emultempl/beos.em: Include ldgram.h after ldexp.h, adjust
	lang_add_assignment call.
	* emultempl/pe.em: Likewise.
2002-02-15 02:11:05 +00:00
Daniel Jacobowitz
4e5bae56d4 2002-02-10 Daniel Jacobowitz <drow@mvista.com>
* ldmain.c: Add prototype for main ().
	* lexsup.c: Guard declaration of strtoul with HAVE_STDLIB_H.
	* emultempl/lnk960.em (lnk960_choose_target): Function should
	take two arguments.
2002-02-10 19:12:13 +00:00
Alan Modra
9cb61eabc1 * ldmain.c (main): Use full sentences to ease translation. 2002-01-26 12:25:21 +00:00
Alan Modra
320fec9a20 * ldmain.c (main): Initialise link_info.eh_frame_hdr. 2001-12-14 13:50:01 +00:00
Nick Clifton
e3c8793a40 Fixes to improve the ability to translate messages in the binutils tools 2001-12-06 10:22:36 +00:00
Tom Rix
742aeb63e9 Pass argc and argv to ldemul_choose_target.
Support -b64 in AIX
2001-12-03 23:15:28 +00:00
Alan Modra
b47c420856 * ldgram.y (mri_script_command): Surround processing of INCLUDE
with ldlex_script, ldlex_popstate.
	(ifile_p1): Likewise.
	* ldlex.l (EOF): Don't BEGIN(SCRIPT).  Restore lineno from the
	correct slot.
	(lex_push_file): Save current lineno to lineno_stack.  Set lineno
	to 1.  Don't BEGIN(SCRIPT).
	(lex_redirect): Similarly.
	* ldmain.c (main): Set yydebug non-zero if YYDEBUG.
2001-10-20 13:49:00 +00:00
Chris Demetriou
31d677f9ba 2001-10-18 Chris Demetriou <cgd@broadcom.com>
* ldmain.c (get_emulation): Improve comment about the handling
        of -mipsN options.
2001-10-18 23:44:17 +00:00
Alan Modra
4818e05fe5 From John Reiser <jreiser@BitWagon.com>
* ldlang.c (lang_common): Conditionally inhibit Common allocation.
	* lexsup.c: Add --no-define-common commandline option.
	* ldgram.y: Add INHIBIT_COMMON_ALLOCATION script command.
	* ldlex.l: Likewise.
	* ld.h: Add command_line.inhibit_common_definition.
	* ldmain.c (main): Initialize.
	* ld.texinfo: Document.
2001-09-29 12:57:54 +00:00
H.J. Lu
3882b01078 Locale changes from Bruno Haible <haible@clisp.cons.org>. 2001-09-19 05:33:36 +00:00
Alan Modra
7469926815 * ldmain.c (main): Rename BufferSize to ld_bufsz because HPUX
defines BufferSize.  Increase buffer size by one.
2001-09-16 04:25:33 +00:00
Eric Christopher
39e5585e1b 2001-08-31 Eric Christopher <echristo@redhat.com>
Jason Eckhardt  <jle@redhat.com>

	* ldmain.c (get_emulation): Add support for -mips32 and -mips64.
2001-08-31 21:28:05 +00:00
Nick Clifton
063cb91d19 omitted in previous delta 2001-08-30 12:19:49 +00:00
Nick Clifton
081310158f Declare BSIZE as static 2001-08-27 08:52:50 +00:00
Jakub Jelinek
db6751f2e7 * elf-bfd.h (enum elf_reloc_type_class): New.
(struct elf_backend_data): Add elf_backend_reloc_type_class.
	(_bfd_elf_reloc_type_class): New.
	* elfxx-target.h (elf_backend_reloc_type_class): Define.
	(elfNN_bed): Add elf_backend_reloc_type_class.
	* elf.c (_bfd_elf_reloc_type_class): New.
	* elf32-i386.c (elf_i386_check_relocs): Set DF_TEXTREL if the reloc
	is against read-only section.
	(elf_i386_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(elf_i386_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
	* elf32-sparc.c (elf32_sparc_check_relocs): Set DF_TEXTREL if the
	reloc is against read-only section.
	(elf32_sparc_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(elf32_sparc_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
	* elf64-sparc.c (sparc64_elf_check_relocs): Set DF_TEXTREL if the
	reloc is against read-only section.
	(sparc64_elf_size_dynamic_sections): Use DF_TEXTREL flag instead of
	looking up section names for DT_TEXTREL.
	(sparc64_elf_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
	* elfxx-ia64.c (struct elfNN_ia64_link_hash_table): Add reltext field.
	(elfNN_ia64_hash_table_create): Clear ia64_info.
	(get_reloc_section): Set DF_TEXTREL if the reloc is against read-only
	section.
	(elfNN_ia64_size_dynamic_sections): Use ia64_info->reltext flag
	instead of looking up section names for DT_TEXTREL.
	(elfNN_ia64_reloc_type_class): New.
	(elf_backend_reloc_type_class): Define.
	* elflink.h (size_dynamic_sections): Add spare DT_NULL tags.
	(struct elf_link_sort_rela): New.
	(elf_link_sort_cmp1, elf_link_sort_cmp2, elf_link_sort_relocs): New.
	(elf_bfd_final_link): Call elf_link_sort_relocs.
	Convert one spare DT_NULL into DT_RELCOUNT resp. DT_RELACOUNT if
	necessary.

	* bfdlink.h (struct bfd_link_info): Add combreloc and
	spare_dynamic_tags fields.

	* emultempl/elf32.em (place_orphan): Place orphan .rel* sections
	into .rel.dyn resp. .rela.dyn if combreloc.
	(get_script): If .x linker script is equal to .xn, only put it
	once into the binary.
	Add .xc and .xsc scripts.
	(parse_args): Handle -z combreloc and -z nocombreloc.
	* scripttempl/elf.sc (.rela.sbss): Fix a typo.
	For .xc and .xsc scripts put all .rel* or .rela* input sections
	but .rel*.plt and PLT-like sections into .rel.dyn resp. .rela.dyn.
	* genscripts.sh (GENERATE_COMBRELOC_SCRIPT): Set if SCRIPT_NAME
	is elf.
	Strip trailing whitespace from script.
	Generate .xc and .xsc scripts if requested.
	* ldmain.c (main): Initialize link_info.combreloc and
	link_info.spare_dynamic_tags.
	* lexsup.c (OPTION_SPARE_DYNAMIC_TAGS): Define.
	(ld_options): Add --spare-dynamic-tags option.
	(parse_args): Likewise.
	* ld.texinfo: Document -z combreloc and -z nocombreloc.
	* ldint.texinfo: Document .xc and .xsc linker scripts.
	* NEWS: Add notes about -z combreloc and SHF_MERGE.
2001-08-23 15:14:18 +00:00
Tom Rix
b90e1c6f3e Fix for ld 2001-08-15 17:10:18 +00:00
Nick Clifton
b9a8de1ea3 Make --verbose always display linker script 2001-08-12 07:59:28 +00:00
Charles Wilson
b044cda1de 2001-08-02 Charles Wilson <cwilson@ece.gatech.edu>
* ldmain.c (main): initialize link_info.pei386_auto_import
        * pe-dll.c: new tables for auto-export filtering
        (auto_export): change API, pass abfd for contextual filtering.
        Loop thru tables of excluded symbols instead of comparing
        "by hand".
2001-08-02  Paul Sokolovsky  <paul.sokolovsky@technologist.com>
        * pe-dll.c: new variable pe_dll_enable_extra_debug. New
        static variable current_sec (static struct sec *). Add
        forward declaration for add_bfd_to_link.
        (process_def_file): Don't export undefined symbols. Do not
        export symbols starting with  "_imp__".  Call auto_export()
        with new API.
        (pe_walk_relocs_of_symbol): New function.
        (generate_reloc): add optional extra debugging
        (pe_dll_generate_def_file): eliminate extraneous initial blank
        line in output
        (make_one): enlarge symtab to make room for __nm__ symbols
        (DATA auto-import support).
        (make_singleton_name_thunk): New function.
        (make_import_fixup_mark): New function.
        (make_import_fixup_entry): New function.
        (pe_create_import_fixup): New function.
        (add_bfd_to_link): Specify that 'name' argument is a CONST
        char *.
        * pe-dll.h: declare new variable pe_dll_extra_pe_debug;
        declare new functions pe_walk_relocs_of_symbol and
        pe_create_import_fixup.
        * emultempl/pe.em: add new options --enable-auto-import,
        --disable-auto-import, and --enable-extra-pe-debug.
        (make_import_fixup): New function.
        (pe_find_data_imports): New function.
        (pr_sym): New function.
        (gld_${EMULATION_NAME}_after_open): Add optional extra pe
        debugging. Call pe_find_data_imports.  Mark .idata as DATA, not
        CODE.
2001-08-02  Charles Wilson  <cwilson@ece.gatech.edu>
        * ld.texinfo: add additional documentation for
        --export-all-symbols.  Document --out-implib,
        --enable-auto-image-base, --disable-auto-image-base,
        --dll-search-prefix, --enable-auto-import, and
        --disable-auto-import.
        * ldint.texinfo: Add detailed documentation on auto-import
        implementation.
2001-08-02 23:12:02 +00:00
H.J. Lu
e97cb84f5a 2001-07-11 H.J. Lu <hjl@gnu.org>
* ldmain.c (main): Fix typos in the last change.
2001-07-11 19:50:56 +00:00
Jakub Jelinek
7333607ede 2001-07-11 Jakub Jelinek <jakub@redhat.com>
* ldmain.c (main): Disallow -F and -f without -shared.
2001-07-11 14:19:05 +00:00
Hans-Peter Nilsson
2a096f0438 * lexsup.c (parse_args) <case OPTION_EXPORT_DYNAMIC, case 'E'>:
Set new link_info member export_dynamic.
	* ldmain.c (main): Initialize new link_info member export_dynamic.
2001-06-15 13:02:23 +00:00
Nick Clifton
d1cf510e5e Add MIPS r12k support 2001-05-23 17:26:40 +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
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
b79e8c7865 Add link option to allow undefiedn symbols in shared libraries 2000-12-12 20:53:02 +00:00
Nick Clifton
49425d281c Remove redundant init of config.make_executable to true. 2000-11-24 21:31:21 +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
6d5e62f8b5 2000-09-21 Kazu Hirata <kazu@hxi.com>
* ldmain.c: Fix formatting.
	* ldmisc.c: Likewise.
	* ldver.c: Likewise.
	* ldwrite.c: Likewise.
2000-09-21 20:21:59 +00:00
Nick Clifton
9b14b192bb Disable relaxation if multiple symbol definitions are encountered - otherwise
the linker could abort with an assertion failure.
2000-09-14 01:39:42 +00:00
Alan Modra
a854a4a7c8 --split-by-reloc, --split-by-file extensions. --unique option. 2000-09-05 03:05:19 +00:00
H.J. Lu
6c1439be21 2000-07-20 H.J. Lu <hjl@gnu.org>
* ld.texinfo: Add documentation for --disable-new-dtags and
	--enable-new-dtags.

	* ldmain.c (main): Initialize link_info.new_dtags to false.

	* emultempl/elf32.em (gld_${EMULATION_NAME}_parse_args): Add
	--disable-new-dtags and --enable-new-dtags.
	(gld_${EMULATION_NAME}_list_options): Likewise.
2000-07-20 21:18:23 +00:00
H.J. Lu
e0ee487bb5 2000-07-19 H.J. Lu <hjl@gnu.org>
* emulparams/elf32mcore.sh (PARSE_AND_LIST_ARGS): Removed.
	(PARSE_AND_LIST_PROLOGUE): New.
	(PARSE_AND_LIST_LONGOPTS): Likewise.
	(PARSE_AND_LIST_OPTIONS): Likewise.
	(PARSE_AND_LIST_ARGS_CASES): Likewise.

	* ldmain.c (main): Clear link_info.flags and link_info.flags_1.

	* lexsup.c (ld_options): Comment out 'z'.
	(parse_args): Likewise.

	* emultempl/elf32.em: Include "elf/common.h".
	(gld_${EMULATION_NAME}_parse_args): Defined. Handle some -z
	options.
	(gld_${EMULATION_NAME}_list_options): Likewise.

	* ld.texinfo: Add documentation for the recognized -z options.
2000-07-20 03:25:10 +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
Alan Modra
2ab47eed68 Correct pointer comparisons relying on NULL less than any other pointer.
Alexander Aganichev's fix for ieee.c
2000-06-20 12:33:21 +00:00
Alan Modra
c7c544834a Correctly set SEC_READONLY for .text section. 2000-06-15 09:09:13 +00:00
Alan Modra
5af11cab92 Eli Zaretskii's DOSish file name patches. 2000-05-26 13:11:57 +00:00
Nick Clifton
1f0df59a27 When deciding if ".text" section should be read-only, don't forget to reset
SEC_READONLY because it could be already set.
2000-05-23 21:03:35 +00:00
Nick Clifton
a712da2085 Apply patch from Richard Gorton <gorton@scrugs.lkg.dec.com> to implement
--emit-relocs switch to the linker to preserve relocs in an output executable
2000-05-17 19:38:53 +00:00
H.J. Lu
b6f29aaaea 2000-03-01 H.J. Lu <hjl@gnu.org>
* ldmain.c (undefined_symbol): Take one more arg, fatal, to
	indicate if the undefined symbol is a fatal error or not.
	Don't delete the output file if "fatal" is false.
2000-03-01 19:37:03 +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
Mark Mitchell
3dbf70a218 * ldmain.c (main): Initialize link_info.init_function and
link_info.fini_function.
	* lexsup.c (OPTION_INIT): New macro.
	(OPTION_FINI): Likewise.
	(ld_options): Add descriptions for them.
	(parse_args): Handle them.
1999-06-23 11:09:30 +00:00