Commit graph

64 commits

Author SHA1 Message Date
Ian Lance Taylor
7213def760 Based on patches from H.J. Lu <hjl@nynexst.com>:
* ldlang.h (lang_input_statement_type): Add new field dynamic.
	* ldlang.c (new_afile): Set dynamic from config.dynamic_link.
	* ldfile.c: Include bfdlink.h.
	(ldfile_open_file): Check dynamic field of entry, not global
	dynamic_link field.  Don't do a dynamic search when doing a
	relocateable link.
	* ldmain.c (main): Don't warn about dynamic_link for a
	relocateable link.
	* emultempl/sunos.em (gld${EMULATION_NAME}_find_so): Skip file if
	dynamic is false.
	(gld${EMULATION_NAME}_create_output_section_statements): Always
	loop over input files.
	* Makefile.in: Rebuild dependencies.
1995-07-10 21:16:40 +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
Ken Raeburn
943fbd5bd5 fsf address update, but not in COPYING files 1995-07-07 22:49:42 +00:00
Fred Fish
eac6290c7e * ldmain.c (HAVE_SBRK): Define for everything except
specific systems that are known to not support sbrk.
	(main):  Use HAVE_SBRK to decide whether or not to use sbrk.
1995-07-05 07:47:43 +00:00
Steve Chamberlain
de71eb7786 Wed Jun 28 17:11:25 1995 Steve Chamberlain <sac@slash.cygnus.com>
* ldmain.c (main): Always initialize PE info in link_info.
	* lexsup.c (OPTION_BASE_FILE): New option.
	(parse_args): Handle new option.
	* emulparams/armpe.sh: Output pei.
	* emultempl/i386pe.em: Add newline to end.
	* scripttempl/armpe.sc: Change output and quote the $s.
	* scripttempl/i386pe.sc: Change output and quote the $s.
1995-06-29 00:21:00 +00:00
Ian Lance Taylor
a735edad13 * ldmain.c (main): Revert patch of March 10, since the SVR4 linker
does mark shared libraries as executable.
1995-03-27 16:11:22 +00:00
Ian Lance Taylor
f2f55b1677 * ldlang.c (load_symbols): If whole_archive is true and ENTRY
describes an archive, call bfd_link_add_symbols on each member.
	* ldmain.c (whole_archive): New variable.
	(main): Initialize it to false.
	* ldmain.h: Declare whole_archive.
	* lexsup.c (parse_args): Grok --whole-archive switch.
1995-03-16 19:06:41 +00:00
Ian Lance Taylor
22c41f00b6 * ldmain.c (main): Don't set EXEC_P if link_info.shared is set. 1995-03-10 20:26:49 +00:00
Ian Lance Taylor
23244cd6e0 * ldmain.c (undefined_symbol): Handle section being NULL. 1995-02-06 23:24:20 +00:00
Ian Lance Taylor
8ed88239b4 * ldctor.c (ldctor_build_sets): Handle bfd_link_hah_defweak.
* ldexp.c (fold_name): Likewise.
	* ldlang.c (print_one_symbol): Likewise.
	(lang_finish): Likewise.
	* ldmain.c (multiple_common): Likewise.
	* ldwrite.c (print_symbol): Likewise.  Also, bfd_link_hash_weak
	renamed to bfd_link_hash_undefweak.
1995-02-06 20:01:38 +00:00
Ian Lance Taylor
809ee7e036 * ld.h (ld_config_type): Add new field warn_once.
* ldmain.c (undefined_symbol): Handle -warn-once.
	* lexsup.c (parse_args): Recognize -warn-once.
	* ld.texinfo (Options): Document -warn-once.
	* ld.1: Likewise.
PR 4456.
1994-09-14 22:27:16 +00:00
Ian Lance Taylor
cc23cc69c5 * ldmisc.c (vfinfo): Handle %D as %C, but never print the function
name.  For %C, print the function name on a separate line, to keep
	the length of error messages under control.
	* ldmain.c (multiple_definition): Use %D for ``first defined
	here.''
	(undefined_symbol): Use %D for ``more undefined references
	follow''.
PR 3770.
1994-09-14 17:08:37 +00:00
Ian Lance Taylor
64887de2ee * lexsup.c (parse_args): Add -shared to longopts, and handle it.
* ldmain.c (main): Initialize link_info.shared to false.  Give
	error if link_info.relocateable and link_info.shared are both set.
1994-06-16 19:32:07 +00:00
Ian Lance Taylor
cbbf960822 * ldmain.c (get_emulation): Ignore -m486 for Linux compatibility.
* lexsup.c (parse_args): Ignore -qmagic for Linux compatibility.
1994-06-15 21:04:21 +00:00
Ian Lance Taylor
7fb9ca5fc2 Let the user change the dynamic linker used by ELF code.
* ld.h (args_type): Add new field interpreter.
	* lexsup.c (parse_args): Add dynamic-linker to longopts, and
	handle it.
	* ldmain.c (main): Initialize command_line.interpreter to NULL.
	* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Get
	the ELF backend to return the .interp section.  If
	command_line.interpreter is not NULL, set the contents of .interp
	to it.
	* ld.texinfo: Mention -dynamic-linker.
1994-06-15 20:46:43 +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
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
210c52ac91 * ldlang.h (lang_input_statement_type): Remove fields subfiles,
total_size, superfile and chain.
	* ldfile.c (open_a): Don't clear search_dirs_flag.
	(ldfile_open_file): Don't try to open superfile.  Assert that file
	has not already been opened.
	* ldlang.c (new_afile): Don't initialize superfile.
	* ldmain.c (add_archive_element): Don't initialize subfiles or
	chain or superfile.  Initialize search_dirs_flag to false.
1994-06-01 18:28:26 +00:00
Ian Lance Taylor
2a9fa50cd8 Add support for ELF shared libraries.
* ld.h (ld_config_type): Add field dynamic_link.
	* ldmain.c (main): Initialize config.dynamic_link to false.  Warn
	on attempts to use -r with -relax, -call_shared or -s.
	* lexsup.c (longopts): Separate OPTION_CALL_SHARED from
	OPTION_NON_SHARED.  Add OPTION_IGNORE.  Adjust macro values
	accordingly.  Add "dy" and "non_shared" options.  Change "Qy" to
	OPTION_IGNORE for now.  Handle OPTION_CALL_SHARED and
	OPTION_NON_SHARED by setting dynamic_link field accordingly.
	Handle OPTION_IGNORE by ignoring it.  Clear dynamic_link field for
	-r and -Ur.
	* ldfile.c (ldfile_open_file): If config.dynamic_link is true, try
	opening a file with a .so extension first.
	* emultempl/elf32.em: New file.
	* emulparams/elf32_sparc.sh (TEXT_START_ADDR): Change to 0x10000.
	(NONPAGED_TEXT_START_ADDR): Likewise.
	(TEMPLATE_NAME): Define as elf32.
	(DATA_PLT): Define.
	* emulparams/elf_i386.sh (TEMPLATE_NAME): Define as elf32.
	* scripttempl/elf.sc: Add placement for new dynamic sections.
	Don't use CREATE_OBJECT_SYMBOLS.  Define _etext, _edata and _end
	outside of any section.  Don't use ALIGN(8); just let one section
	VMA follow another.  Put .dynbss in .bss.  Don't mention debugging
	sections; they'll be handled correctly anyhow.
	* Makefile.in (eelf_i386.c): Depend upon elf32.em, not generic.em.
1994-05-19 18:25:10 +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
5bcb7f28e1 * ldlang.c, ldmain.c, ldmisc.c: Use bfd_get_error and
bfd_set_error and new error names.
1994-02-17 18:12:17 +00:00
David MacKenzie
52a8ebfe04 * emultempl/lnk960.em (append), emultempl/hppaosf.em
(hppaosf_finish): Call xmalloc, not ldmalloc.
	* ldmain.c (preserve_output): Function removed.
	(main): Do it here instead.
1994-02-05 12:00:15 +00:00
David MacKenzie
0b2f8d2edd * ldmisc.c (ldmalloc, xmalloc, ldrealloc, xrealloc): Functions
deleted; will use libiberty versions instead.
	* ldctor.c ldfile.c ldlang.c ldmain.c ldmisc.c ldmisc.h lexsup.c
	mri.c Makefile.in: Change callers.

	* ldmisc.c (vfinfo): Remove cleanup code.
	* ldmain.c (remove_output): Put it here (new function).
	(preserve_output): New function.
	(main): Register remove_output and preserve_output with atexit.
	* ldmain.c ldgram.y: Call xexit instead of exit.
	* ldmisc.h: Declare xexit.
1994-02-05 01:14:56 +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
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
Ian Lance Taylor
5dad4c9728 * ldmain.c (reloc_overflow): Added name, reloc_name and addend
arguments.
1994-01-24 20:22:12 +00:00
Ian Lance Taylor
b9395be3af * ldmain.c (add_to_set): Add bitsize argument.
(constructor_callback): New function.
	(link_callbacks): Add constructor_callback.
	* ldctor.c (struct set_info): Add bitsize field.
	(ldctor_add_set_entry): Add bitsize argument.
	(ldctor_build_sets): Base the size of the elements of the set on
	the bitsize, rather than always using LONG.
	* ldctor.h (ldctor_add_set_entry): Add bitsize to declaration.
1994-01-06 20:04:26 +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
973e421e67 * ldmain.c (enter_file_symbols): Removed duplicate tests of p. If
p is in a common section, make sure the BFD has a section of that
	name.
1993-11-19 19:29:49 +00:00
David MacKenzie
2a28d8b006 add -warn-common option 1993-08-03 22:47:28 +00:00
David MacKenzie
922018a10c remove dupliate include 1993-07-15 22:02:01 +00:00
David MacKenzie
bbd2521f26 source cleanups; fix finding scripts 1993-07-15 21:43:28 +00:00
David MacKenzie
cffdcde9e9 * ldfile.c (ldlang_open_file, ldfile_open_command_file),
main.c (main): Print the errno string in the error message.
1993-07-15 04:46:25 +00:00
David MacKenzie
f42084627b * ldmain.c (set_scripts_dir): Check . and <ld bin dir>/../lib for
ldscripts, as well as <ld bin dir> and SCRIPTDIR.
1993-07-13 00:54:45 +00:00
David MacKenzie
d723cd17d5 * ldlang.c (lang_process): Use sizeof instead of magic constant.
* ldmain.c (get_emulation, check_for_scripts_dir,
	set_scripts_dir):  New functions.
	(main): Call them.
1993-07-12 19:34:04 +00:00
David MacKenzie
ff76a7dbf3 Fix previous fix. 1993-07-03 02:18:12 +00:00
David MacKenzie
173a0c3d26 * ldmain.c (main): Don't add scriptdir to the lib search path.
* genscripts.sh: Put the scripts in the ldscripts directory, not
	emulations.
	* configure.in (ldscripts): Make, instead of emulations.
	* Makefile.in (scriptdir): Take off the "ld" part.
	(install, clean, distclean): Use ldscripts, not emulations.
	In tests, pass -L., not -Lemulations.
	(ldmain.o): Don't pass -DSCRIPTDIR=....
	* ldlang.c (lang_process): Add "ldscripts/" to the name of the
	default script file.
1993-07-03 02:01:03 +00:00
Steve Chamberlain
29f33467f2 Tue Mar 30 09:40:25 1993 Steve Chamberlain (sac@thepub.cygnus.com)
* ldindr.c (add_indirect): Keep more information in the alias
	symbol chain.
	* ldlang.c (wild_doit):  Don't inherit NEVER_LOAD section
	attribute from an input section.
	* ldmain.c (Q_enter_file_symbols): Common section is NEVER_LOAD by
	default. (Q_enter_file_symbos): Indirect symbols now are known by
	their section, not a special symbol flag.
	* ldsym.c (write_file_locals): Indirect symbols aren't local.
	(write_file_globals): Write the mapping for an indirect symbol.
	* relax.c (build_it): When forced to write a NEVER_LOAD section,
	fill it with zeros.
1993-03-30 17:49:00 +00:00
Ian Lance Taylor
f31cb329d5 Fri Jan 29 09:57:58 1993 Ian Lance Taylor (ian@cygnus.com)
* ldmain.c (subfile_wanted_p): If we already have a common
	definition of a symbol, don't necessarily pull in an object file
	that provides a non-common definition.
1993-01-29 19:47:56 +00:00
Ian Lance Taylor
8a045e502f Tue Jan 26 11:49:50 1993 Ian Lance Taylor (ian@cygnus.com)
* ldmain.c, ldsym.c: Use new bfd_is_com_section macro rather than
	checking for equality to bfd_com_section.
1993-01-26 19:56:17 +00:00
Steve Chamberlain
f3739bc349 Mon Oct 5 08:55:14 1992 Steve Chamberlain (sac@thepub.cygnus.com)
* ldmain.c (linear_library): don't even think about processing
	an object file if it's already been done
1992-10-05 16:15:11 +00:00
Steve Chamberlain
be1627d309 Aliasing bug fixes 1992-07-02 00:53:14 +00:00
Steve Chamberlain
e47bfa6305 *** empty log message *** 1992-06-08 17:14:18 +00:00
Steve Chamberlain
b257477fa0 *** empty log message *** 1992-06-08 17:09:57 +00:00
Steve Chamberlain
a72f4e5f84 * ldfile.c: merge in VMS filename support
* ldmain.c (main): take out ./ from library path, and close file
	before unlinking. Make multiple defs of a symbol create an
	unexecable file.
	* ldmisc.c: fatal errosrs delete output file
1992-05-06 01:07:05 +00:00
Steve Chamberlain
bfbdc80f0a * ldver.c: Bumped version to 1.96 - new release, resync with the
bfd too #.
	* ldexp.c, ldlang.c: now build memory shape tree in obstacks
	rather than with raw malloc, makes it easier to track where memory
	is going.
	* ldsym.h, ldsym.c: create obstack for all global symbols too.
	* ldwrite.c (ldwrite): moved malloc so only used when needed.
	* sa29200-sc.sh: added support for .lit, data1 and data2 sections.
1992-05-04 23:38:42 +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
fe563ffeb7 * ldmain.c (Q_enter_file_symbols): now aliases work again 1992-03-06 15:00:57 +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