Commit graph

48 commits

Author SHA1 Message Date
Ian Lance Taylor
9b22219054 * ldgram.y: Tweak casesymlist to avoid bison errors. 1995-08-16 16:26:57 +00:00
Ian Lance Taylor
3a47309642 * ldgram.y (YYDEBUG): If not defined, define as 1.
(CASE, EXTERN, START): New tokens.
	(mri_script_command): Handle CASE, EXTERN, INCLUDE, START.
	(casesymlist): New nonterminal.
	(extern_name_list): New nonterminal.
	* ldlex.l: Accept lower case trailing base specifiers.  Don't
	ignore the first digit when the base is a suffix.  Accept many
	EXPRESSION state tokens in MRI state.  Support MRI continuation
	lines and MRI semicolon comments.  Accept all MRI keywords in
	lower case.  Add CASE, EXTERN, and START MRI keywords.
1995-08-15 21:35:46 +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
eb7edfa156 * ldgram.y (YYDEBUG): Don't define. 1994-06-13 19:47:50 +00:00
Ian Lance Taylor
0cd82d00da * ldfile.h (search_dirs_type): Move from ldfile.c, and add cmdline
field.
	(search_head): Declare.
	(ldfile_add_library_path): Add new cmdline argument in prototype.
	* ldfile.c (search_head): Make non-static.
	(search_dirs_type): Move to ldfile.h.
	(ldfile_add_library_path): Accept cmdline argument, and save it.
	* lexsup.c (parse_args): Pass true for new cmdline argument of
	ldfile_add_library_path.
	(set_default_dirlist): Likewise.
	* ldmain.c (check_for_scripts_dir): Pass false for new cmdline
	argument of ldfile_add_library_path.
	* ldgram.y (ifile_p1): Likewise.
1994-06-02 21:30:57 +00:00
Ian Lance Taylor
60e8a53407 * ldlang.c (entry_symbol): Make static.
(lang_add_entry): Add cmdline argument.
	* ldlang.h (lang_add_entry): Change prototype.
	* ldgram.y (statement_anywhere): Change lang_add_entry call.
	* lexsup.c (parse_args): Likewise.
1994-05-27 15:39:11 +00:00
Ian Lance Taylor
27baca7182 * ldgram.y (section): Reverse the order of memspec_opt and
fill_opt to avoid an ambiguity when both are used.
	* ld.texinfo: Changed accordingly.
1994-02-26 05:32:29 +00:00
Ian Lance Taylor
6232b6c4c5 * ldgram.y: Move include of ldlex.h back with other includes.
* ldlex.h (input_type): Don't initialize enum constants to
	particular values.
	* ldlex.l: Use a switch to return the right token based on
	input_type, rather than knowing that input_type has a value based
	on a token type.
1994-02-26 03:22:26 +00:00
Ian Lance Taylor
4725fb48f5 * ldgram.y (dirlist_ptr): Removed; not used.
* lexsup.c: Include ldver.h.
	* Makefile.in: Rebuilt dependencies.
1994-02-26 03:17:02 +00:00
David MacKenzie
ff33a8c167 * ldgram.y: Include ldlex.h after %token decls, for byacc. 1994-02-26 02:14:30 +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
7b40f2b169 * ldmain.c ldmain.h ldgram.y: If -v -V or --version was given,
exit successfully instead of complaining if no input files are
	given.
1994-01-27 20:49:21 +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
4a6afc88bb A major rewrite to move the bulk of the linker into BFD so that
more efficient backend code can be written for specific object
	files.
	* lderror.c, lderror.h, ldindr.c, ldindr.h, ldsym.c, ldsym.h,
	ldwarn.c, ldwarn.h, relax.c, relax.h: Removed.
	* ldctor.c, ldctor.h: Complete rewrite.
	* ldwrite.c, ldwrite.h: Complete rewrite.
	* ld.h (strip_symbols_type, strip_symbols): Removed.  Use
	link_info.strip instead.  Changed all uses.
	(discard_locals_type, discard_locals): Removed.  Use
	link_info.discard instead.  Changed all uses.
	(ld_config_type): Removed relocateable_output field; use
	link_info.relocateable instead; changed all uses.  Added stats
	field.
	(set_asymbol_chain, get_asymbol_chain, get_loader_symbol,
	set_loader_symbol): Removed.
	* ldexp.h (node_class): Added etree_rel.
	(etree_type): Added rel field.
	* ldexp.c (exp_print_token): Bracketed table initialization.
	(exp_relop): New function.
	(fold_name): Use linker hash table rather than ldsym functions.
	(exp_fold_tree): Likewise.  Also, handle etree_rel case.
	(exp_print_tree): Handle etree_rel.
	* ldgram.y (strip_symbols, discard_locals): Removed.
	(OPTION_stats, OPTION_no_keep_memory): New tokens.  Handle them.
	(REL): New token.  Does not appear in grammar, but needed for
	expression code.
	(file): Don't call lang_final; it's called by main anyhow.
	* ldlex.l: Accept -stats and -no-keep-memory options.
	* ldlang.h (fill_type): Make unsigned int, not unsigned short.
	* ldlang.c: Consistently use fill_type for fill argument.
	(lang_init_script_file, script_file): Removed.
	(create_object_symbols): Removed.  Use
	link_info.create_object_symbols_section instead.  Changed all
	uses.
	(lang_add_keepsyms_file): Removed.
	(lookup_name): Call bfd_link_add_symbols instead of
	ldmain_open_file_read_symbol.
	(wild): Don't iterate over script_file.
	(open_output): Create link hash table.
	(lang_place_undefineds): Rewrote.
	(lang_size_sections): Handle relaxing (doesn't work yet).
	(lang_relocate_globals): Removed.
	(lang_finish): Use link hash table rather than ldsym functions.
	(lang_common): Rewrote.
	(lang_one_common): New function.
	(ldlang_add_file): Add file to link_info.input_bfds list.  Set
	usrdata.
	(create_symbol): Removed.
	(lang_process): Don't call lang_init_script_file.  Call
	ldctor_build_sets rather than find_constructors.  Don't call
	lang_relocate_globals.
	(lang_abs_symbol_at_beginning_of): Rewrote.
	(lang_abs_symbol_at_end_of): Rewrote.
	* ldmain.c (had_y): Removed.
	(lprefix, lprefix_len): Removed; use link_info fields instead.
	Changed all uses.
	(multiple_def_count, commons_pending, undefined_global_sym_count,
	total_symbols_seen, total_files_seen): Removed.
	(link_callbacks, link_info): New variables.
	(main): Initialize link_info.  Don't call init_bfd_error_vector or
	ldsym_init.  Don't set now unused variables.  Handle -stats.
	(get_emulation): Removed obsolete and nonfunctional GNU960 code.
	(add_ysym): Rewrote.
	(read_entry_symbols, refize, enter_global_ref, enter_file_symbols,
	search_library, gnu960_check_format, decode_library_subfile,
	linear_library, symdef_library, clear_syms, subfile_wanted_p):
	Removed.
	(add_keepsyms_file, add_archive_element, multiple_definition,
	multiple_common, add_to_set, warning_callback, undefined_symbol,
	reloc_overflow, reloc_dangerous, unattached_reloc, notice_ysym):
	New functions.
	* ldmisc.c (vfinfo): Accept a string for %T, not a symbol.  Don't
	require symbols for %C; look them up instead.
	* emultempl/hppaosf.em: Pass link_info to
	hppa_look_for_stubs_in_section.
	* Makefile.in: Rebuilt dependencies.
	(CFILES): Removed lderror.c, ldindr.c, ldsym.c, ldwarn.c, and
	relax.c.
	(HFILES): Removed lderror.h, ldindr.h, ldsym.h, ldwarn.h, and
	relax.h.
	(EMULATION_OFILES): Depend on bfdlink.h, ldmain.h, ldexp.h,
	ldlang.h and ldctor.h.

	* Makefile.in (ldlex.c): Don't depend on ldgram.h.  Remove
	declarations of free and malloc from flex output.  Change malloc
	to ldmalloc in flex output.
1993-12-30 19:51:41 +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
Ian Lance Taylor
fe619ced4a * ldgram.y (OPTION_Lfile): New token.
(command_line_option): Accept OPTION_L NAME (whitespace after -L).
	* ldlex.l (<COMMAND>): Accept -L without FILENAME.
1993-07-16 21:15:40 +00:00
David MacKenzie
bbd2521f26 source cleanups; fix finding scripts 1993-07-15 21:43:28 +00:00
David MacKenzie
de87cdb466 * Make -v only print the version number.
Share some Texinfo documentation with BFD.
1993-07-08 18:00:11 +00:00
David MacKenzie
2de8edce8f * ldgram.y: Tweak grammar to make reporting of invalid options work. 1993-06-17 22:55:38 +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
ae475b39b2 * ldlang.h: add new field "loadable" to output_section_statement.
* ldlang.c (lang_output_section_statement_lookup): initilize new
	field. (wild_doit): if new field is not set, then stop output
	section from being loadable.
	(lang_enter_output_section_statement): set the field from the
	NOLOAD keyword
	* ldgram.y: new synax for NOLOAD. Removes a shift/reduce too.
	* h8300hms.sc-sh, h8300hms.em: get -r right.
1992-08-07 19:34:59 +00:00
Steve Chamberlain
e14a43bfaf * ldgram.y, ldlex.c, mri.c: added more compatible words; BASE, ALIAS and
PUBLIC.
	* Makefile.in: now use flex, not lex
1992-05-02 01:35:12 +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
76971f0da2 Modifed to care about semi colons again, newlines are ignored - sorry
Per.
1992-03-02 22:22:59 +00:00
Steve Chamberlain
870f54b2c8 * ldgram.y: map -M behave in the same way as -Map (sets file name
to be "-".
	* ldsym.c, ldlang.c: remember that size of a section is dependent on
	whether or not relaxing has been done.
	* ldmain.c: don't open a map file if it doesn't have a name
	* relax.c: all the brains have moved into bfd.
	* ldwrite.c: ammend comment
1992-01-28 18:21:36 +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
c611e285bd Merging from VMS port. Doc to follow.. 1992-01-24 18:41:32 +00:00
John Gilmore
f177a611f1 Include bfd.h before sysdep.h, so ansidecl and PROTO() get defined first. 1991-10-11 11:28:27 +00:00
Steve Chamberlain
7cb9aa509c *** empty log message *** 1991-05-18 03:08:59 +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
d646b568d0 Moved declarations from header file into here. 1991-04-17 02:03:34 +00:00
Steve Chamberlain
13a0e8d7fc Added support for OUTPUT_FORMAT(name) and FORCE_COMMON_ALLOCATION 1991-04-17 00:49:44 +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
03466f17b7 *** empty log message *** 1991-04-09 23:25:49 +00:00
Steve Chamberlain
de7c1ff613 *** empty log message *** 1991-04-08 23:26:05 +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