Commit Graph

68 Commits

Author SHA1 Message Date
Nick Clifton e62eb3ee7e lexsup.c (parse_args: OPTION_CALL_SHARED): Revise comment describing defaults.
Change default to report unresolved symbols in object files as well.
2003-10-08 13:52:33 +00:00
Nick Clifton 854770991f lexsup.c (parse_args): Report unresolved symbols in shared libraries when
creating a dynamic executable.  This is a restoration of the default behaviour
for previous versions of the linker.
2003-10-06 11:07:08 +00:00
Nick Clifton 560e09e9cc Better handking for unresolved symbols 2003-08-20 08:37:19 +00:00
Alan Modra 1579bae1cd Convert to C90 2003-06-28 05:28:54 +00:00
Alan Modra 1049f94e8e Correct spelling of "relocatable". 2003-06-25 06:40:27 +00:00
Jakub Jelinek 36af4a4e51 bfd/
* elflink.h (elf_link_add_object_symbols): Use !info->executable
	instead of info->shared where appropriate.
	(bfd_elfNN_size_dynamic_sections, elf_link_output_extsym): Likewise.
	* elflink.c (_bfd_elf_create_got_section): Likewise.
	(_bfd_elf_link_create_dynamic_sections): Likewise.
	(_bfd_elf_link_assign_sym_version): Likewise.
	* elf32-i386.c (elf_i386_size_dynamic_sections): Create .interp section
	and DT_DEBUG dynamic tag even for position independent executables.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
	* elf32-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-ppc.c (ppc64_elf_size_dynamic_sections: Likewise.
	* elf64-s390.c (elf_s390_size_dynamic_sections: Likewise.
	* elf64-x86-64.c (elf64_x86_64_size_dynamic_sections: Likewise.
	* elfxx-ia64.c (elfNN_ia64_size_dynamic_sections: Likewise.
	* elf32-sparc.c (elf32_sparc_size_dynamic_sections: Likewise.
	* elf64-alpha.c (elf64_alpha_size_dynamic_sections: Likewise.
	* elf64-sparc.c (sparc64_elf_size_dynamic_sections: Likewise.
include/
	* bfdlink.h (struct bfd_link_info): Add pie and executable
	bits.
ld/
	* lexsup.c (OPTION_PIE): Define.
	(ld_options): Add -pie and --pic-executable options.
	(parse_args): Handle OPTION_PIE.
	* ldmain.c (main): Initialize link_info.pie and
	link_info.executable.
	* genscripts.sh: Generate PIE scripts.
	* ld.texinfo: Document -pie and --pic-executable options.
	* emultempl/elf32.em (gld${EMULATION_NAME}_after_open):
	(gld${EMULATION_NAME}_place_orphan): Likewise.
	(gld${EMULATION_NAME}_get_script): Include PIE scripts.
	* scripttempl/elf.sc: In PIE scripts set . the same way as in
	shared scripts.
	* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Set to yes.
	* emulparams/elf64_ia64.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf32ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64ppc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_x86_64.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf32_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64_sparc.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64alpha.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf64_s390.sh (GENERATE_PIE_SCRIPT): Likewise.
	* emulparams/elf_i386.sh (GENERATE_PIE_SCRIPT): Likewise.
2003-05-30 15:50:12 +00:00
Alexandre Oliva 8aae64e67e * ldmain.h (overflow_cutoff_limit): Declare.
* ldmain.c (overflow_cutoff_limit): Define, initialized to 10.
(reloc_overflow): Limit error messages based on it.
* lexsup.c (parse_args) <OPTION_VERBOSE>: Set cutoff to
unlimited.
2003-05-07 04:14:57 +00:00
Nick Clifton 5ed6aba41c Fix memory leaks 2003-03-31 18:13:25 +00:00
Alan Modra 3bcf55573d * ldemul.c (ldemul_add_options, ldemul_handle_option): New functions.
(ldemul_parse_args): Return bfd_boolean.  Formatting.
	* ldemul.h (ldemul_add_options, ldemul_handle_option): Declare.
	(ldemul_parse_args): Adjust.
	(struct ld_emulation_xfer_struct): Add add_options and handle_option.
	Return bfd_boolean from parse_args.
	* lexsup.c (parse_args): Malloc shortopts, longopts and
	really_longopts.  Call ldemul_add_options and ldemul_handle_option.
	* emultempl/aix.em (gld${EMULATION_NAME}_add_options): Split out from
	gld${EMULATION_NAME}_parse_args.
	(gld${EMULATION_NAME}_handle_option): Likewise.
	(ld_${EMULATION_NAME}_emulation): Adjust initializer.
	* emultempl/armcoff.em: As for aix.em, but remove parse_args.
	* emultempl/beos.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/ticoff.em: Likewise.
	* emultempl/elf32.em: Likewise.  Don't duplicate long options either.
	(gld${EMULATION_NAME}_add_sysroot): Prototype.
	* emultempl/armelf.em (PARSE_AND_LIST_LONGOPTS): Don't duplicate
	options.
	* emultempl/hppaelf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/ppc32elf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/ppc64elf.em (PARSE_AND_LIST_LONGOPTS): Likewise.
	* emultempl/armelf_oabi.em (ld_${EMULATION_NAME}_emulation): Adjust
	initializer.
	* emultempl/generic.em: Likewise.
	* emultempl/gld960.em: Likewise.
	* emultempl/gld960c.em: Likewise.
	* emultempl/linux.em: Likewise.
	* emultempl/lnk960.em: Likewise.
	* emultempl/m68kcoff.em: Likewise.
	* emultempl/mipsecoff.em: Likewise.
	* emultempl/sunos.em: Likewise.
	* emultempl/vanilla.em: Likewise.
	* emultempl/netbsd.em (gldnetbsd_before_parse): Prototype.
2003-02-28 01:32:31 +00:00
Nick Clifton ae9a127f86 Fix the behaviour of --allow-shlib-undefined, so that it does what it claims
to do.  Add an inverse switch.  Update the documentation.
2003-02-17 18:24:40 +00:00
Alan Modra d5cd393307 * ldmain.c (main): Init "strip_discarded".
* lexsup.c (OPTION_STRIP_DISCARDED): Define.
	(OPTION_NO_STRIP_DISCARDED): Define.
	(ld_options): Add "strip-discarded" and "no-strip-discarded".
	(parse_args): Handle them.
2002-12-23 12:05:38 +00:00
Nick Clifton 312b768e2f Change linker's default behaviour - it will now reject binary files whoes
architecture it does not recognise, unless it has explicitly told to accept
them.
2002-12-23 10:45:03 +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
Daniel Jacobowitz df2a731323 * emultempl/aix.em: Use include <> for generated headers.
* emultempl/beos.em: Likewise.
	* emultempl/elf32.em: Likewise.
	* emultempl/pe.em: Likewise.
	* ldctor.c: Likewise.
	* ldexp.c: Likewise.
	* ldfile.c: Likewise.
	* ldlang.c: Likewise.
	* ldlex.c: Likewise.
	* ldlex.l: Likewise.
	* ldmain.c: Likewise.
	* ldmisc.c: Likewise.
	* ldwrite.c: Likewise.
	* lexsup.c: Likewise.
	* mri.c: Likewise.
	* pe-dll.c: Likewise.
2002-10-30 03:57:39 +00:00
Nick Clifton 63fd3b826b Add new command line option "--no-omagic" which undoes the effects of -N. 2002-10-23 13:24:10 +00:00
H.J. Lu c04c958616 2002-10-08 H.J. Lu <hjl@gnu.org>
* ldlang.c (lang_file_exist): Removed.
	(new_afile): Revert the last change.
	* ldlang.h (lang_file_exist): Removed.
	* lexsup.c (parse_args): Revert the last change.
2002-10-08 20:12:45 +00:00
Nick Clifton 53b2a62f07 Abort if the filename to be added matches the linker output filename. 2002-10-07 16:08:21 +00:00
H.J. Lu 3194163592 Check symbols with undefine version. 2002-08-08 03:50:18 +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
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
Daniel Jacobowitz 37b0ac0fc8 2002-02-10 Daniel Jacobowitz <drow@mvista.com>
* lexsup.c: Remove strtoul declaration.
2002-02-11 02:41:37 +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 89894c62c6 * lexsup.c (parse_args): Don't pass shortopts to second call to
getopt functions.  Restore optind rather than decrementing before
	second call.  Remove errind as it now duplicates last_optind.
2001-12-13 09:38:11 +00:00
Nick Clifton ff291a48c0 Insert 'PROGRAM' into the text string describing the -N option so that it is
easier to translate into foreign languages.
2001-12-07 12:41:21 +00:00
Chris Demetriou 361b220ebe 2001-11-01 Chris Demetriou <cgd@broadcom.com>
* ld.texinfo (Options): Document new option, -nostdlib.
        * lexsup.c (OPTION_NOSTDLIB): New definition.
        (ld_options): Add entry for "nostdlib".
        (parse_args): Handle OPTIONS_NOSTDLIB.
        * ldfile.c (ldfile_add_library_path): Don't add directories
        to the search path if they weren't specified on the command line
        and -nostdlib was specified.
        * ld.h (ld_config_type): New member only_cmd_line_lib_dirs.
2001-11-02 01:13:09 +00:00
Nick Clifton 210a7bd13d Fix infinite parsing loop 2001-10-31 15:41:19 +00:00
Alan Modra d32820f2fa * ldver.h (ld_program_version): Remove declaration.
* lexsup.c (parse_args): Move printing of copyright message..
	* ldver.c (ldversion): .. to here.
	Use BFD_VERSION_STRING in place of BFD_VERSION.
	(ld_program_version): Remove.
	* Makefile.am (Makefile): Depend on bfd/configure.in
	Run "make dep-am"
	* Makefile.in: Regenerate.
2001-10-02 06:04:23 +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
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
Nick Clifton b9a8de1ea3 Make --verbose always display linker script 2001-08-12 07:59:28 +00:00
Hans-Peter Nilsson 605d9b3a4f * emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
Update for API change in bfd_elf${ELFSIZE}_size_dynamic_sections.
	* mpw-elfmips.c (gldelf32ebmip_before_allocation): Ditto.
	* ld.h (args_type): Remove member export_dynamic.  All users
	changed to use struct bfd_link_info member.
2001-06-18 22:20:57 +00:00
H.J. Lu 5af9fd8b93 2001-06-15 H.J. Lu <hjl@gnu.org>
* lexsup.c (parse_args); Save optind to report unrecognized
	option.
2001-06-16 03:41:45 +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 506eee2253 Improve Solaris compatability 2001-05-22 14:00:18 +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
J.T. Conklin 7ce691aec4 * ld.texinfo: Document --fatal-warnings.
* ld.1: Regenerate.

* ldmisc.c (vfinfo): Set flag to inhibit making executable if
warnings have been turned into errors.
* lexsup.c (OPTION_WARN_FATAL): Define.
(ld_options): Entry for --fatal-warnings.
(parse_args): Handle OPTION_WARN_FATAL.
* ld.h (ld_config_type): Add fatal_warnings field.
2001-04-13 02:22:23 +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
Alan Modra 577a062318 Extend "ld --unique" functionality. 2001-01-14 04:36:35 +00:00
Nick Clifton b7ed8fad53 formatting fix 2001-01-13 19:45:52 +00:00
Nick Clifton d0398d6ac6 Update copyright date to 2001 2001-01-12 18:01:56 +00:00
Nick Clifton 0fc3347a5c Fix problems with new EXACTLY_TWO_DASHES command line switch option. 2000-12-31 19:56:04 +00:00
Nick Clifton e4897a3288 Requre that long options starting with 'o' only accept a double dash prefix. 2000-12-28 19:54:33 +00:00
Nick Clifton b79e8c7865 Add link option to allow undefiedn symbols in shared libraries 2000-12-12 20:53:02 +00:00
Chandra Chavva ea20a7da87 Added new option --target-help. 2000-10-17 20:10:20 +00:00
Kazu Hirata e47d05ade6 2000-10-10 Kazu Hirata <kazu@hxi.com>
* deffile.h: Fix formatting.
	* lexsup.c: Likewise.
	* mri.c: Likewise.
2000-10-11 00:16:07 +00:00
Kazu Hirata 5cc18311d9 2000-09-29 Kazu Hirata <kazu@hxi.com>
* deffile.h: Fix formatting.
	* ld.h: Likewise.
	* ldctor.h: Likewise.
	* ldemul.h: Likewise.
	* ldexp.h: Likewise.
	* ldfile.h: Likewise.
	* ldlang.h: Likewise.
	* lexsup.c: Likewise.
	* mri.c: Likewise.
	* pe-dll.c: Likewise.
2000-09-29 13:21:41 +00:00
Alan Modra a854a4a7c8 --split-by-reloc, --split-by-file extensions. --unique option. 2000-09-05 03:05:19 +00:00
Nick Clifton 3a9d486c00 Add .gnu.linkonce.wi.* to .debug_info sections. 2000-09-02 20:43:22 +00:00