Commit Graph

40 Commits

Author SHA1 Message Date
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 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 31ddb15694 * scripttempl/elf.sc: Use PROVIDE to define etext, edata, and end.
Add a new script operator, PROVIDE, to define a symbol only if it
	is needed.
	* ldgram.y (PROVIDE): New token.
	(assignment): Accept PROVIDE.
	* ldlex.l (PROVIDE): New token.
	* ldexp.h (node_type): Add etree_provide to node_class enum.
	(exp_provide): Declare.
	* ldexp.c (exp_fold_tree): Handle etree_provide.
	(exp_provide): New function.
	(exp_print_tree): Handle etree_provide.
	* ld.texinfo: Document PROVIDE.
1994-07-22 20:55:45 +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
David MacKenzie fb55f9b8ae * ldlex.l: Add rule to catch invalid input characters instead of
printing them.  Include "ldmain.h" for program_name decl.
	(lex_warn_invalid): New function.
	* Makefile.in: Add dependency.
1994-01-28 19:36:53 +00:00
Stan Shebs b5b2c88649 Tue Jan 25 19:54:19 1994 Stan Shebs (shebs@andros.cygnus.com)
* mpw-config.in: New file, MPW configuration fragment.
	* mpw-build.in: New file, MPW build script fragment.
	* mpw-make.in: New file, MPW makefile fragment.
	(This file is semi-automatically generated from Makefile.in.)
	* ldfile.c (slash): If MPW, set to `:'.
	* ldlex.l (TRUE_FALSE_ALREADY_DEFINED): If MPW, set this to
	prevent redefinition errors.
1994-01-26 04:17:05 +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
Ian Lance Taylor 9f6294075e More gcc lint. 1993-12-12 00:54:14 +00:00
Ian Lance Taylor fcf276c495 Made many changes to eliminate gcc warnings. Made various
cosmetic changes, declared various things in header files, removed
	various extern declarations from .c files.  No substantive
	changes.
1993-12-11 22:55:55 +00:00
Ian Lance Taylor f651733a12 * ldgram.y (OPTION_call_shared, OPTION_non_shared): New tokens.
(command_line_option): Accept and ignore them (for now).
	* ldlex.l (<COMMAND>): Handle -non_shared and -call_shared.
1993-12-01 17:22:03 +00:00
David MacKenzie 8bf66be8aa add missing newlines in messages 1993-08-05 02:52:17 +00:00
David MacKenzie 2a28d8b006 add -warn-common option 1993-08-03 22:47:28 +00:00
Ken Raeburn a02945df81 Don't define bfd_vma here!
(Wasted at least a day tracking this damn thing down...)
1993-07-07 21:15:09 +00:00
David MacKenzie 8ddef5528d * ldfile.c (ldfile_open_command): Don't try .ld extension.
It wasn't documented (or likely used) and wastes time.
	(try_open): If EXTEN is empty, don't try it.

	* ldctor.c, lderror.c, ldexp.c, ldfile.c, ldindr.c, ldlang.c,
	ldlex.l, ldmain.c, ldmisc.c, ldsym.c, ldver.c, ldwarn.c,
	ldwrite.c, lexsup.c, mri.c, relax.c: Replace DEFUN macro calls
	with normal function declarations.

	* Move *.em to emultempl/*.em.  Move *.sh to emulparams/*.sh.
	Move *.sc-sh to scripttempl/*.sc.
	* {emultempl,emulparams,scripttempl}/README: New files.
	* sh.em, st2000.em, z8ksim.em, h8300hms.em, h8500hms.em: Files
	removed, replaced with generic.em.
	* h8300.sh, h8500.sh, h8300.sc, h8500.sc: Renamed from
	 h8[35]00hms.s[ch].  Change their contents to omit the "hms".

	* *.em (*_get_script): Return script name instead of script contents.
	* ldlang.c (lang_process): Change caller.

	* ldlex.l, ldgram.y: Recognize -m option.
	Check for input files after *all* options in grammar.
	* ldmain.c (main): Check for -m options.  Add default directory
	for -m.

	* mkscript.c: File removed.
	* genscripts.sh: Take two more parameters, tooldirlib and libdir,
	to add to the default LIB_PATH.
	Look for input files in the new subdirectories.
	Create the scripts in emulations subdirectory and don't filter
	them through mkscript.
	* configure.in: Make the emulations subdirectory.

	* Makefile.in: Account for all of the above changes.
	Remove unused .SUFFIXES.  Get libgcc.a path with gcc
	-print-libgcc-file-name instead of $(libdir)/libgcc.a.
	Put CFLAGS last in the compilation rules.
	Add -I../bfd to INCLUDES so sysdep.h is found.

	* ldfile.c (try_open): If opening without the extension fails,
	try with the extension even if -v or -V was given.
	had_script is imported (from ldgram.y), not exported.
1993-06-17 20:55:43 +00:00
Steve Chamberlain 9fce28edd5 Support for linking and loading at different places:
* ldlex.l: Add "AT" keyword.
	* ldgram.y: Cleanup, and parse AT.
	* ldlang.c (print_output_section_statement): Print output address
	of section in map. (lang_size_sections): Fill sections' lma with
	load address.
	* ldlang.h (lang_output_section_statement_type): Add load_base
	information.
1993-03-30 22:45:39 +00:00
Steve Chamberlain dadd414a89 Fix support for NOLOAD, add INCLUDE
* ldfile.c (ldfile_open_command_file): pass file name to
	lex_push_file.
	* ldlex.l, ldgram.y: tidy up, parse INCLUDE and NOLOAD
	* ldlang.c (wild_doit): make output sections inherit NEVER_LOAD
	attribute.
1993-01-08 22:42:42 +00:00
Steve Chamberlain 85e38cfa01 -y support
* ld.texinfo: new doc.
	* ldgram.y, ldlex.l: understand -y<symbol>
	* ldmain.c (Q_enter_file_symbols): if had -y, lookup symbol and
	print info. (add_ysym): new function.
	* ldsym.h: (ldsym_type): new define SYM_Y.
1992-12-07 16:49:54 +00:00
Steve Chamberlain 6bf2e3a762 * ldlex.l: now parses comment correctly, added ~ to acceptable
chars in filenames

	* ldexp.c (exp_unop): pass down abs_output_section - now can have
	unary -ve constants.

	* ldlang.c (lang_finish): warn when an entry symbol supplied on
	the command line can't be found.
1992-08-13 19:16:49 +00:00
Per Bothner 91e25b4f8f * ldlex.c: Fix some unnecessary flex-specific-isms. 1992-05-22 20:56:37 +00:00
Steve Chamberlain dc4726c236 lint 1992-05-01 20:09:44 +00:00
Steve Chamberlain ee0c4cf7d1 * ldlex.l: added CMDFILENAMECHAR state so that you can lex
different sorts of filenames on the command line than in a script.
1992-04-22 19:55:15 +00:00
Steve Chamberlain 0d3e45eab0 * relax.c: added handling for new "padding" seclet type, used to
fill out gaps between section.
	* ldgram.y, ldlex.l: now -defsym on the command line is done
	properly.
1992-04-17 15:59:37 +00:00
Steve Chamberlain 1bd1fa2ddb Lint found by Rich and gcc 1992-04-16 18:03:51 +00:00
Steve Chamberlain 2e38b71d27 Strange link script support 1992-04-15 23:11:09 +00:00
Steve Chamberlain 3d2b83ea49 Personal checkpoint - now should parse some MRI stuff 1992-04-15 22:23:33 +00:00
Steve Chamberlain 9d1fe8a410 New lexer.
New targets for h8/300 simulator and DOS
1992-04-05 01:47:16 +00:00
Steve Chamberlain 2e2bf962db * Makefile.in: added relax, also made three stage go through a
partial link stage.
	* relax.c : added
	* config.h: if GNU960 defined, then default emulation mode is
	GLD960
	* ldexp.h, ldexp.c: map to file hooks
	* ldlang.c: map to file hooks
	* ldgram.y: added -Map -relax
	* ldlex.l: added -relax, -Map
	* ldmain.c: open map file
	* ldmisc.c: support for map file
	* ldwrite.c: new relax magic
1992-01-24 22:34:34 +00:00
Steve Chamberlain 48491e2e15 *** empty log message *** 1991-06-04 23:05:54 +00:00
Steve Chamberlain 6812f0e89f Fixed the shift reduce errors in the grammer using the yacc debugger.
Removed some lint highlighted by the same.
1991-05-07 19:16:33 +00:00
Steve Chamberlain b63165349f *** empty log message *** 1991-05-03 23:52:48 +00:00
Steve Chamberlain 65c552e308 Added the sizeof_headers keyword. 1991-04-24 20:53:36 +00:00
Steve Chamberlain a37cc0c05c *** empty log message *** 1991-04-23 15:59:24 +00:00
Steve Chamberlain 1d45ccb383 Yet more diffs due to my incompetence. 1991-04-19 00:59:53 +00:00
Steve Chamberlain ac00487023 Fixed some bugs. 1991-04-18 00:06:26 +00:00
Steve Chamberlain fd846434f0 Added keywords
FORCE_COMMON_ALLOCATION
OUTPUT_FORMAT
1991-04-17 00:49:15 +00:00
Steve Chamberlain 070aa81923 *** empty log message *** 1991-04-16 14:32:02 +00:00
Steve Chamberlain 1418c83b39 checkpoint before a merge 1991-04-14 03:22:42 +00:00
Steve Chamberlain 7ca04d280d Fixed some grammer ambiguities
Better error reporting
sun3 support
1991-04-03 22:03:55 +00:00
David Henkel-Wallace 2fa0b342a5 Initial revision 1991-03-21 21:29:06 +00:00