Commit graph

74 commits

Author SHA1 Message Date
Jeff Law
e2ebb8ed49 * ld.texinfo: Note that -relax may make symbolic debugging
impossible on some platforms.
1998-06-22 05:59:49 +00:00
Ian Lance Taylor
da713b8f08 * ld.texinfo (Input Section Wildcards): Document SORT keyword. 1998-06-01 18:01:37 +00:00
Ian Lance Taylor
6581c418e3 * ld.texinfo (Options) [-rpath-link]: Mention ld.so.conf. 1998-04-27 16:40:18 +00:00
Ian Lance Taylor
f8a86f8f3f * ld.texinfo (MEMORY): Clarify use of >REGION. 1998-04-22 16:41:28 +00:00
Ian Lance Taylor
36a8f215e7 * ld.texinfo (Simple Example): Rewrite a few things as suggested
by Nick Clifton <nickc@cygnus.com>.
	(PROVIDE): Likewise.
1998-04-22 03:55:41 +00:00
Ian Lance Taylor
ed1cc83df2 tweak 1998-04-03 18:04:12 +00:00
Ian Lance Taylor
f8cf2baa85 tweak 1998-04-03 17:55:04 +00:00
Ian Lance Taylor
af54556ad3 * ld.texinfo: Completely rewrite linker script documentation. 1998-04-03 05:57:33 +00:00
Ian Lance Taylor
f41751664d * ld.texinfo (Options): Mention LDEMULATION in description of -m.
(Environment): Mention LDEMULATION.
1998-01-28 19:45:48 +00:00
Ian Lance Taylor
5a59e34dd5 * ld.texinfo (Options): Clarify --export-dynamic a bit. 1998-01-28 19:12:51 +00:00
Ian Lance Taylor
cc28f8fbe4 * ld.texinfo (Options): Improve documentation of --filter and
--auxiliary.
1997-01-16 22:08:23 +00:00
Ian Lance Taylor
f9c5c2313c * ld.texinfo (Commands): Clarify that the normal usage is -T. 1997-01-14 20:44:48 +00:00
Ian Lance Taylor
feb20cfb19 * ld.texinfo (Operators): Remove '@' from @smallexmple in comment
to avoid confusing texi2roff.
1997-01-03 19:05:34 +00:00
Ian Lance Taylor
de220cbdb9 * ld.h (args_type): Add filter_shlib and auxiliary_filter_shlib
fields.
	* lexsup.c (parse_args): Recognize --auxiliary/-f and
	--filter/-F.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
	Pass filter_shlib and auxiliary_filter_shlib to
	size_dynamic_sections.
	* ld.texinfo, ld.1: Document --filter/-F and --auxiliary/-f.
1996-12-31 19:50:29 +00:00
Ian Lance Taylor
9fde46a42f * ld.texinfo: Add section on reporting bugs. 1996-11-01 19:54:52 +00:00
Ian Lance Taylor
458fc0567b * ld.h (ld_config_type): Add warn_section_align field.
* lexsup.c (OPTION_WARN_SECTION_ALIGN): Define.
	(ld_options): Add --warn-section-align.
	(parse_args): Handle --warn-section-align.
	* ldlang.c (lang_size_sections): If warn_section_align, warn if
	the start of a section changes due to alignment.
	* ld.texinfo, ld.1: Document --warn-section-align.
	* ld.texinfo: Change some single dashes to double dashes.
PR 10739.
1996-10-09 19:45:29 +00:00
Ian Lance Taylor
4164f2d5ab * ld.texinfo (Options): Mention .so extensions for shared
libraries.
1996-10-07 21:30:26 +00:00
Ian Lance Taylor
b61364cc71 * ld.texinfo (Options): Give more detail on -l option.
PR 10418.
1996-10-01 22:53:38 +00:00
Ian Lance Taylor
5735ac9e57 * ldgram.y (LOADADDR): New terminal.
(exp): Handle LOADADDR.
	* ldlex.l: Recognize LOADADDR.
	* ldexp.c (exp_print_token): Add LOADADDR.
	(fold_name): Implement LOADADDR.
	* ldlang.c (exp_init_os): Treat LOADADDR like ADDR.
	* ld.texinfo (Arithmetic Functions): Document LOADADDR.
1996-08-02 19:01:58 +00:00
Ian Lance Taylor
582dd77f65 * ld.h (check_nocrossrefs): Declare.
* ldlang.h (struct lang_nocrossref): Define.
	(struct lang_nocrossrefs): Define.
	(nocrossref_list): Declare.
	(lang_add_nocrossref): Declare.
	* ldlex.l: Recognize NOCROSSREFS keyword.
	* ldgram.y (%union): Add nocrossref field.
	(NOCROSSREFS): New terminal.
	(ifile_p1): Recognize NOCROSSREFS.
	(nocrossref_list): New nonterminal.
	* ldlang.c (nocrossref_list): Define.
	(lang_add_nocrossref): New function.
	* ldmain.c (main): If nocrossref_list is not NULL, call
	check_nocrossrefs.
	(warning_callback): Free symbols if there is no place to store
	them.
	(notice): Call add_cref if nocrossref_list is not NULL.
	* ldcref.c: Include "ldexp.h" and "ldlang.h".
	(check_nocrossrefs): New function.
	(check_nocrossref): New static function.
	(struct check_refs_info): Define.
	(check_refs, check_reloc_refs): New static functions.
	* Makefile.in: Rebuild dependencies.
	* ld.texinfo (Option Commands): Document NOCROSSREFS.
1996-08-01 17:35:49 +00:00
Ian Lance Taylor
c2ba368448 * ld.texinfo (Section Placement): Improve the wording of the
wildcard documentation.  Mention that wildcards are only searched
	for on the command line, not in the file system.
1996-08-01 17:10:52 +00:00
Ian Lance Taylor
86bc0974cb * fnmatch.h, fnmatch.c: New files.
* ldlex.l: Remove unused definition of FILENAME.  Add definition
	of WILDCHAR.  In SCRIPT mode, accept any sequence of WILDCHAR as a
	NAME.
	* ldgram.y (file_NAME_list): Accept '*' and '?' specially.
	(input_section_spec): Accept '?' specially.
	(statement): Change exp to mustbe_exp in length and FILL cases.
	(section): Call ldlex_script before section statements, and call
	ldlex_popstate after them.
	* ldlang.c: Include "fnmatch.h".
	(wildcardp): New static function.
	(wild_section): Permit the section name to be a wildcard.
	(wild_file): New static function, broken out of wild.
	(wild): Call wild_file.  Permit the file name to be a wildcard.
	(open_input_bfds): Don't call lookup_name for a wildcard pattern.
	* Makefile.in: Rebuild dependencies.
 	(CFILES): Add fnmatch.c.
	(HFILES): Add fnmatch.h.
	(OFILES): Add fnmatch.o.
	* ld.texinfo: Document that file and section names can now be
	wildcard patterns.

	* ldlang.c (lang_place_orphans): Correct condition: place a common
	section if not relocateable or if common definitions are forced.
1996-07-29 21:33:26 +00:00
Ian Lance Taylor
a1d393cfb9 * ld.texinfo: Clarify the CONSTRUCTORS command. 1996-05-29 17:14:24 +00:00
David Edelsohn
67afbceace Document semicolon usage. 1996-05-07 18:29:22 +00:00
Ian Lance Taylor
7ec9d82515 * ld.texinfo, ld.1: Mention -E as a synonym for -export-dynamic. 1996-04-09 16:19:51 +00:00
Ian Lance Taylor
4fea1383f1 formatting change 1996-04-08 20:27:38 +00:00
Ian Lance Taylor
cf2e4f5fde * ld.h (DISCARD_SECTION_NAME): Define to "/DISCARD/".
* ldlang.c (init_os): Fail on an attempt to initialize any section
	named DISCARD_SECTION_NAME.
	(wild_doit): Discard input sections assigned to an output section
	named DISCARD_SECTION_NAME.
	* ld.texinfo: Document use of /DISCARD/.
1996-03-27 18:17:28 +00:00
Ian Lance Taylor
baaaf6f299 Wed Mar 20 18:18:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* ld.texinfo: Fix typos.  Use @pxref only inside parentheses.
1996-03-20 23:19:47 +00:00
Ian Lance Taylor
e3d73386d7 * lexsup.c (parse_args): Handle --wrap.
* ldmain.c (main): Initialize link_info.wrap_hash.
	* ldexp.c (fold_name): Use bfd_wrapped_link_hash_lookup in DEFINED
	and NAME cases.
	* ld.texinfo, ld.1: Document --wrap.
1996-03-12 23:39:18 +00:00
Ian Lance Taylor
4b7d2399ae Tue Mar 12 12:43:59 1996 David Mosberger-Tang <davidm@koala.azstarnet.com>
* ld.h (ld_config_type): Add warn_multiple_gp field.
	* lexsup.c (parse_args): Handle --warn-multiple-gp.
	* ldmain.c (warning_callback): Suppress multiple gp values warning
	if --warn_multiple_gp was not used.
	* ld.texinfo, ld.1: Document --warn-multiple-gp.
1996-03-12 17:47:55 +00:00
Ian Lance Taylor
431e1e858c update copyright 1996-02-27 18:06:52 +00:00
Ian Lance Taylor
3c8deccc4f * lexsup.c (parse_args): Recognize --no-whole-archive.
* ldlang.h (lang_input_statement_type): Add whole_archive field.
	* ldlang.c (new_afile): Set whole_archive field.
	(load_symbols): Check input file specific whole_archive field
	rather than global variable.
	* ld.texinfo, ld.1: Document --no-whole-archive.
PR 9094.
1996-02-27 17:59:46 +00:00
Ian Lance Taylor
c653b37092 * ld.texinfo: Mention that -R can be used for -rpath. 1996-02-19 16:17:33 +00:00
Ian Lance Taylor
e2ce2da872 * ld.texinfo: The linker does not use _main as an entry point. 1995-11-07 16:48:29 +00:00
Ian Lance Taylor
e54bf1c1a4 * ld.texinfo: The MRI ALIGN directive is supported. 1995-10-25 15:28:28 +00:00
Ian Lance Taylor
0b0642d6eb * emultempl/sunos.em (gld${EMULATION_NAME}_before_allocation): If
command_line.rpath is set, use it, rather than the -L options, to
	build the rules section.
	* ld.texinfo: Document this use of -rpath.
1995-09-29 22:37:36 +00:00
Ian Lance Taylor
4551e108a0 * ld.texinfo, ld.1: Document -Bstatic, -Bdynamic, -Bshared, and
-shared.

Mon Jul 10 13:29:43 1995  Eric Youngdale  <eric@aib.com>

	* ldmain.c (main): Set link_info.symbolic to false.
	* lexsup.c (parse_args): Handle -Bsymbolic.
1995-07-10 17:41:13 +00:00
Ian Lance Taylor
01bc8f35b5 * ldlex.l: Return -lFILENAME as the token LNAME.
* ldgram.y: Add token LNAME.
	(input_list): Treat LNAME like NAME, but pass it to
	lang_add_input_file as lang_input_file_is_l_enum.
	* ld.texinfo: Document using -lFILENAME in INPUT.
1995-03-10 20:02:51 +00:00
Ian Lance Taylor
0b3499f672 * ldlang.c (load_symbols): Check for archive before object. Use
bfd_check_format_matches, and, if ambiguous, print a list of
	matching formats.  If file format is not recognized, treat file as
	a linker script.
	* ldgram.y (yyerror): If assuming an object file is a script,
	mention that.  Tweak the format of the error messages.
	* ldlex.l (lex_warn_invalid): If assuming an object is a script,
	guess that this is not actually a script, and just report that the
	file format was not recognized.
	* ld.texinfo (Options): Admit that -( may be used more than once.
	Add note that unrecognized object files are now treated as linker
	scripts.

	* ldfile.c (ldfile_input_filename): Make const.
	(ldfile_assumed_script): New variable.
	(try_open): Change arguments types to const.
	(ldfile_find_command_file): Likewise.
	(ldfile_open_command_file): Likewise.  Also, set lineno to 1.
	* ldfile.h: Update declarations for ldfile.c changes.
	* ldlex.l: Include <ctype.h>.
	(file_name_stack): Change to be const char *.
	(lineno_stack): New static variable.
	(<<EOF>>): Set lineno as well as ldfile_input_filename.
	(lex_push_file): Make name argument const.  Initialize
	lineno_stack entry.
	(lex_redirect): Initialize lineno_stack entry.
	(lex_warn_invalid): Handle non printable characters nicely.
	* ldlex.h (lex_push_file): Declare second argument as const.

	* ldgram.y (ifile_p1): Recognize GROUP.
	* ldlex.l: Recognize GROUP.
	* ld.texinfo (Option Commands): Document GROUP.
1994-09-13 20:42:47 +00:00
Ian Lance Taylor
a1ad915dc4 * ld.h (args_type): Add field rpath.
* lexsup.c (S_ISDIR): Define if not already defined.
	(parse_args): Add support for -rpath.  If -R is used to name a
	directory, treat it as -rpath for Solaris compatibility.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
	Pass command_line.rpath to bfd_elf32_size_dynamic_sections.
	* ldmain.c (main): Initialize command_line.rpath to NULL.
	* ld.texinfo: Document -rpath option.
1994-07-20 19:55:36 +00:00
Ian Lance Taylor
c96386c4d8 * ld.h (ld_config_type): Add new field traditional_format.
* lexsup.c (parse_args): Add traditional_format to longopts, and
	handle it.
	* ldmain.c (main): Initialize config.traditional_format to false.
	* ldlang.c (ldlang_open_output): Set BFD_TRADITIONAL_FORMAT in BFD
	flags of output_bfd according to config.traditional_format.
	* ld.texinfo: Document -traditional-format.
1994-06-15 06:01:45 +00:00
Ian Lance Taylor
f9d3d71ae8 Don't create unnecessary output sections.
* ldlang.c (out_bfd_get_section_by_name): Remove.
	(wild_section): Call bfd_get_section_by_name rather than
	our_bfd_get_section_by_name.  Don't call wild_doit if there is no
	section.
	(lang_create_output_section_statements): Remove.
	(map_input_to_output_sections): For several cases, call init_os if
	it has not already been called.
	(lang_size_sections): If output section was not created, skip it.
	(lang_process): Don't call lan_create_output_section_statements.
	(lang_place_orphans): Skip files with just_syms_flags set to true.
	* ld.texinfo: Document change.
1994-05-11 20:29:21 +00:00
David MacKenzie
d4e5e3c330 Use getopt instead of lex and yacc to parse the command line.
* ld.texinfo (Options): Document changes to option syntax.
	* Makefile.in: Update dependencies.
	* ldver.c (help): Tweak dashes in usage message.
	* ldgram.y (%union): Remove unused members.
	Remove %tokens for command line options; add ones for input types.
	(command_line): Rules removed.
	(file): Instead of command line, recognize an
	input type indicator, then use the nonterminal for that type.
	(defsym_expr): New nonterminal from code formerly in command_line.
	* ldlex.h: Declare parser input type enum and variable.
	Don't declare parse_line.
	* ldlex.l: Remove unused variables.  Make some used ones static
	and comment them.
	(COMMAND): Start state and its rules removed.
	At start of yylex, return input state token if at start of input.
	(lex_redirect): Don't need to set yyout.
	(ldlex_command): Function removed.
	* ldmain.c (main): Instead of calling parse_line, set up the
	redirections and call yyparse directly.
	* ldmisc.c (vfinfo): If there's no input filename, print nothing, not
	"command line".
	* lexsup.c: Remove #if 0'd code.
	(parse_line): Function removed.
	(parse_args): Rewrite to use getopt_long_only.
	(set_default_dirlist): New function from code formerly in
	ldgram.y:command_line.
	(set_section_start): New function.
	* emultempl/generic.em, emultempl/gld960.em, emultempl/hppaelf.em,
	emultempl/lnk960.em, emultempl/m88kbcs.em: Don't enclose
	compiled-in link scripts in "{" and "}", as the grammar no longer
	wants them to be.
1994-02-25 03:26:25 +00:00
Roland Pesch
139c8857be Formatting adjustments, for better smallbook formatting
and to agree better w/FSF (RMS) indentation conventions.
1994-02-03 04:38:58 +00:00
Roland Pesch
7c8fab26c8 Describe -retain-symbols-file. 1994-02-03 04:18:11 +00:00
Roland Pesch
1fb57a5d3e misc updates:
(1) show `-y SYMBOL' with space
(2) weaken multi-target stuff, to avoid false expectations now that
linker now often config'd with only one target
(3) describe -relax support on i960
(4) correct description of hyphen chars in symbols
(5) describe CONSTRUCTORS linker script cmd
1994-02-03 03:12:38 +00:00
Roland Pesch
67c4333b27 Describe AT option of SECTIONS command, at long last. 1994-02-02 02:27:55 +00:00
Stan Shebs
8594f56890 Tue Jan 25 13:19:41 1994 Stan Shebs (shebs@andros.cygnus.com)
* ldmain.c (main): Compute and display total execution time.
	* ld.texinfo (-stats): Document the option.
1994-01-25 21:30:00 +00:00
David MacKenzie
8de26d624e * ld.texinfo: Clarify what -T option does. 1994-01-19 21:58:31 +00:00
Ian Lance Taylor
c477527cbb * ld.h (QUAD_SIZE): Define.
* ldgram.y (QUAD): New token.
	(length): Handle it.
	* ldlex.l: Return QUAD.
	* lexsup.c (keywords): Add QUAD.
	* ldwrite.c (build_link_order): Handle QUAD.
	* ldlang.c (print_data_statement): Handle QUAD.
	(lang_size_sections): Likewise.
	(lang_do_assignments): Likewise.
	* ldexp.c (exp_print_token): Add QUAD to table.
	* ld.texinfo: Describe QUAD.
1994-01-06 19:38:36 +00:00