Commit graph

73 commits

Author SHA1 Message Date
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
Roland Pesch
8920addc82 Fixed minor typo ("host" sb "target" in discussion of GNUTARGET).
To my shame, this was reported 28 aug 92 by Jonathan Ryshpan, and lost
in my mail pile til now.
1993-11-03 00:09:34 +00:00