Commit Graph

135 Commits

Author SHA1 Message Date
Nathan Sidwell
1b49374200 * ldlang.h (struct lang_output_section_state): Change processed
field's type.
	* ldexp.c (check, invalid): Remove.
	(fold_name): Move valid_p assignments. Create undefined symbol
	when needed. Directly exampine section's processd flag.
	* ldlang.c (lang_output_section_statement_lookup): Adjust
	processed field init.
	(lang_size_sections_1): Allow LOADADDR when determining section's
	VMA. Adjust error message. Fold data statement's expr.
	(lang_size_sections): Correctly increment lang_statement_iteration.

	* ld-scripts/provide.exp: New.
	* ld-scripts/provide-{1,2,3}.{s,t,d}.exp: New.

	* ldexp.c (fold_tree): Follow indirect symbols.
2004-02-23 10:10:02 +00:00
Nick Clifton
6bdafbeb57 * ldlang.c (lang_get_regions): Add extra parameter 'have_vma' which if true will
prevent the LMA region being used as a replacement for a default VMA region.
  (lang_leave_output_section_statement): Pass extra parameter.
  (lang_leave_overlay): Likewise.
* ld.texinfo (Output Section LMA): Document that the LMA region can be set to
  the VMA region if no VMA has been set.
* ldlang.h (struct lang_output_section_phdr_list): Create a typedef for this
  type.  Minor formatting fixes.
2004-01-13 11:10:53 +00:00
Alan Modra
e5caa5e0ca * ldexp.c (align_n): Make static.
* ldexp.h (align_n): Delete declaration.
	* ldlang.h (lang_enter_output_section_statement): Remove
	block_value param.
	* ldlang.c (lang_enter_output_section_statement): Likewise.
	(TO_ADDR, TO_SIZE): Define.
	(opb): New var.
	(init_opb): New function.
	(print_input_section): Call init_opb and use TO_ADDR.
	(print_data_statement, print_reloc_statement): Likewise.
	(print_padding_statement): Likewise.
	(size_input_section): Use TO_SIZE and TO_ADDR, and global opb.
	(lang_check_section_addresses): Likewise.
	(lang_size_sections_1): Likewise.
	(lang_do_assignments_1): Likewise.
	(lang_set_startof): Likewise.
	(lang_one_common): Likewise.  Combine power_of_two and opb alignment.
	(lang_process): Call init_opb.
	(lang_abs_symbol_at_end_of): Use TO_ADDR and global opb.
	(lang_enter_overlay_section): Adjust
	lang_enter_output_section_statement call.
	* ldgram.y: Likewise.
	* mri.c (mri_draw_tree): Likewise.
	* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Likewise.
	* emultempl/mmo.em (mmo_place_orphan): Likewise.
	* emultempl/pe.em (gld${EMULATION_NAME}_place_orphan): Likewise.
2004-01-03 12:39:07 +00:00
Alan Modra
f2241121e3 * ldlang.c (lang_do_assignments): Function return is void.
* ldlang.h (lang_do_assignments): Ditto.
	* emultempl/netbsd.em (gld${EMULATION_NAME}_before_parse): Declare.
	* Makefile.am (ens32knbsd.c): Depend on netbsd.em.
	* Makefile.in: Regenerate.
2003-12-04 12:09:25 +00:00
Nick Clifton
a747ee4d51 Add warning messages for the use of an undeclared memory region and the
redefintion of an already declared region.
2003-10-21 15:33:47 +00:00
Hans-Peter Nilsson
420e579cc4 * ld.texinfo (Builtin Functions) <DEFINED>: Say that only symbols
defined before the statement using DEFINED yield 1.
	* ldexp.c (fold_name) <case DEFINED>: In lang_first_phase_enum,
	call lang_track_definedness on symbol.  In subsequent phases, use
	lang_symbol_definition_iteration and lang_statement_iteration to
	check whether the symbol was defined before the current statement.
	(exp_fold_tree) <case etree_assign et al>: Call
	lang_update_definedness before updating symbol type when setting
	symbol.
	* ldlang.c (lang_definedness_table): New variable.
	(lang_definedness_newfunc, lang_track_definedness)
	(lang_symbol_definition_iteration, lang_update_definedness): New
	functions.
	(lang_init): Initialize lang_definedness_table and
	lang_statement_iteration.
	(lang_finish): Destroy bfd_hash_table_free.
	(lang_size_sections): Increment lang_statement_iteration.
	(lang_do_assignments_1): New function with former
	lang_do_assignments contents.  Change recursive calls to call this
	function.
	(lang_do_assignments): Evacuate contents.  Increment
	lang_statement_iteration, then just call lang_do_assignments_1.
	* ldlang.h (struct lang_definedness_hash_entry)
	(lang_statement_iteration, lang_track_definedness)
	(lang_symbol_definition_iteration, lang_update_definedness):
	Declare.
2003-10-11 09:16:20 +00:00
Alan Modra
7e7d57681b * ld.texinfo: Typo fixes. Document SUBALIGN.
* ldgram.y (opt_subalign): Add.
	* ldlex.l (SUBALIGN): Recognize.
	* ldlang.c (overlay_subalign): New var.
	(lang_enter_overlay): Add subalign param.
	(lang_enter_overlay_section): Pass overlay_subalign to
	lang_enter_output_section_statement.
	* ldlang.h (lang_enter_overlay): Update.
2003-07-27 11:58:28 +00:00
Alan Modra
1579bae1cd Convert to C90 2003-06-28 05:28:54 +00:00
Alexandre Oliva
e3f2db7fa6 * ldfile.h (struct search_dirs): Added sysrooted field.
* ldlang.h (struct lang_input_statement_struct): Likewise.
* ldfile.c (ldfile_add_library_path): Mark sysrooted paths.
(ldfile_open_file_search): Look for sysrooted filename starting
with / in ld_sysroot instead of in the current directory.  Clear
sysrooted flag if it's found in the current directory.  Set it
from the search directory's sysrooted flag where it is found
otherwise.
* ldlang.c (ldlang_sysrooted_script): New static variable.
(new_afile): Mark search_file_enums as sysrooted if
ldlang_sysrooted_script.
(load_symbols): Set ldlang_sysrooted_script according to the
script's sysrooted field while processing it.
* ld.texinfo: Document INPUT behavior in sysroot.
2003-03-03 20:00:35 +00:00
Nick Clifton
cf888e70e2 Disable region size checking whilst relaxing sections. 2003-02-21 10:51:24 +00:00
Alan Modra
f53154de5a * ldlang.h: Formatting. 2002-12-08 03:56:04 +00:00
Alan Modra
b34976b65a s/boolean/bfd_boolean/ s/true/TRUE/ s/false/FALSE/. Simplify
comparisons of bfd_boolean vars with TRUE/FALSE.  Formatting.
2002-11-30 08:39:46 +00:00
Jakub Jelinek
599917b82b * ldfile.c (ldfile_try_open_bfd): When searching skip linker scripts if
they have OUTPUT_FORMAT not matching actual output format.
	* ldlang.c (lang_get_output_target): New function.
	(open_output): Use it.
	* ldlang.h (lang_get_output_target): New prototype.
2002-10-10 15:59:10 +00:00
H.J. Lu
c04c958616 2002-10-08 H.J. Lu <hjl@gnu.org>
* ldlang.c (lang_file_exist): Removed.
	(new_afile): Revert the last change.
	* ldlang.h (lang_file_exist): Removed.
	* lexsup.c (parse_args): Revert the last change.
2002-10-08 20:12:45 +00:00
Nick Clifton
53b2a62f07 Abort if the filename to be added matches the linker output filename. 2002-10-07 16:08:21 +00:00
Alan Modra
e3e942e990 * ldlang.h (entry_sym): Make it a struct bfd_sym_chain.
* ldlang.c (entry_sym): Likewise.
	(ldlang_undef_chain_list_type): Likewise.
	(lang_finish): Adjust references to entry_symbol.
	(lang_add_entry): Likewise.
	(lang_gc_sections): Use link_info.gc_sym_list.
	(lang_process): Set link_info.gc_sym_list.
	* ldlex.l: Include bfdlink.h.
	* ldmain.c (main): Init link_info.gc_sym_list.
	* emultempl/aix.em: Adjust references to entry_symbol.
	* emultempl/armcoff.em: Likewise.
	* emultempl/armelf.em: Likewise.
	* emultempl/pe.em: Likewise.
	* emultempl/ppc64elf.em (ppc_after_open): New function.
	(LDEMUL_AFTER_OPEN): Define.
	* emulparams/elf64ppc.sh: KEEP .opd sections.
2002-07-01 08:07:31 +00:00
Richard Sandiford
9f88b410a0 * ldlang.h (lang_output_section_statement_type): Add update_dot_tree.
(lang_enter_overlay): Remove the last two parameters.
	(lang_leave_overlay): Take them here instead.
	* ldgram.y (memspec_at_opt): Set $$ to null if no region is given.
	(section): Pass LMA and crossref flag to lang_leave_overlay rather
	than lang_enter_overlay.
	* ldlang.c (lang_memory_region_lookup): Return null for null names.
	(lang_output_section_statement_lookup): Initialize update_dot_tree.
	(lang_size_sections_1): Evaluate it.
	(lang_leave_output_section_statement): Rework LMA lookup.
	(overlay_lma, overlay_nocrossrefs): Remove.
	(lang_enter_overlay): Remove LMA and corssref arguments.
	(lang_enter_overlay_section): Don't set the LMA here.
	(lang_leave_overlay): Take LMA and crossref arguments.  Move the '.'
	assignment to the last section's update_dot_tree.  Unconditionally
	use the load and run-time regions specified in the OVERLAY statement.
	Likewise the first section's LMA.  Only set the other sections' LMAs
	when no load region is given.
2002-05-07 11:04:54 +00:00
Alan Modra
2c382fb6f5 Support arbitrary length fill patterns.
* ldexp.h (etree_value_type): Add "str" field.
	(union etree_union): Add "str" to "value" struct.
	(exp_bigintop): Declare.
	(exp_get_fill): Declare.
	* ldexp.c: Include "safe-ctype.h".
	(exp_intop): Set value.str to NULL.
	(exp_bigintop): New function.
	(new_rel): Pass in "str", and set new.str from it.
	(new_rel_from_section): Set new.str to NULL.
	(fold_name): Adjust calls to new_rel.
	(exp_fold_tree): Likewise.
	(exp_get_fill): New function.
	* ldgram.y (struct big_int bigint, fill_type *fill): New.
	(INT): Returns a "bigint".  Adjust all code handling INTs.
	(fill_opt): Returns a "fill".
	(fill_exp): Split out of fill_opt, use for FILL.
	* ldlang.h (struct _fill_type): New.
	(fill_type): Move typedef to ldexp.h.
	(lang_output_section_statement_type): "fill" is now a pointer.
	(lang_fill_statement_type): Likewise.
	(lang_padding_statement_type): Likewise.
	(lang_add_fill): Now takes a "fill_type *" param.
	(lang_leave_output_section_statement): Likewise.
	(lang_do_assignments): Likewise.
	(lang_size_sections): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	* ldlang.c: Include ldgram.h after ldexp.h.
	(lang_output_section_statement_lookup): Adjust for fill_type change.
	(print_fill_statement): Likewise.
	(print_padding_statement): Likewise.
	(insert_pad): Now takes a "fill_type *" arg.
	(size_input_section): Likewise.
	(lang_size_sections_1): Likewise.
	(lang_size_sections): Likewise.
	(lang_do_assignments): Likewise.
	(lang_add_fill): Likewise.
	(lang_leave_output_section_statement): Likewise.
	(lang_leave_overlay_section): Likewise.
	(lang_leave_overlay): Likewise.
	Adjust all callers of the above function.
	* ldlex.l: Include ldgram.h after ldexp.h.  Allow hex numbers
	starting with "0X" as well as "0x".  Return bigint.str for hex
	numbers starting with "0x" or "0X", zero bigint.str otherwise.
	Always use base 16 for numbers starting with "$".
	* ldmain.c: Include ldgram.h after ldexp.h.
	* ldwrite.c (build_link_order): Use bfd_data_link_order in place
	of bfd_fill_link_order.
	* pe-dll.c: Adjust lang_do_assignments calls.
	* emultempl/elf32.em: Likewise.
	* emultempl/hppaelf.em: Likewise.
	* emultempl/ppc64elf.em: Likewise.
	* emultempl/beos.em: Include ldgram.h after ldexp.h, adjust
	lang_add_assignment call.
	* emultempl/pe.em: Likewise.
2002-02-15 02:11:05 +00:00
Alan Modra
313e35ee7c * ld.texinfo (VERSION scripts): Symbol names are globbing patterns.
* ldgram.y (lang_new_vers_regex):  Rename to lang_new_vers_pattern;
	the pattern in question is not a regexp.
	* ldlang.c:  Likewise.
	* ldlang.h:  Likewise.
	* ldlex.l (V_IDENTIFIER):  Allow '[', ']', '-', '!', and '^' also.
2002-02-14 04:24:33 +00:00
Alan Modra
1e28151506 * ldlang.c (entry_section): New initialised variable.
(lang_finish): Use it.
	* ldlang.h (entry_section): Declare.
	* emultempl/ppc64elf.em (gld${EMULATION_NAME}_finish): Set
	entry_section to ".opd".
2002-02-10 10:55:23 +00:00
Hans-Peter Nilsson
e3dc884769 * ldlang.c (lang_reset_memory_regions): Rename from
reset_memory_regions.  Change all callers.  Make public.
	* ldlang.h (lang_reset_memory_regions): Prototype.
	* emultempl/elf32.em (gld${EMULATION_NAME}_finish): Call
	lang_reset_memory_regions before lang_size_sections.
2002-02-05 06:52:17 +00:00
Alan Modra
bba1a0c062 * ldlang.c: When traversing lang_statement_union_type lists,
consistently use "header.next" rather than "next".
	* mpw-eppcmac.c: Likewise.
	* emultempl/beos.em: Likewise.
	* emultempl/hppaelf.em: Likewise.
	* emultempl/pe.em: Likewise.
	* ldlang.h (union lang_statement_union): Remove "next" field.
2001-08-20 02:14:50 +00:00
Alan Modra
b3327aadfd * ldlang.c (insert_pad): Make use of an existing pad statement if
available.  Move code calculating alignment, adjusting section
	alignment power, and adjusting dot to ..
	(size_input_section): .. here.  Remove unused relax param.
	(lang_size_sections): Change boolean `relax' param to boolean *.
	Adjust call to size_input_section.  Make use of insert_pad to
	place pad after the assignment statement.  If relaxing, zap
	padding statements.
	(reset_memory_regions): Reset output_bfd section sizes too.
	(relax_again): Move to..
	(lang_process): ..here.  Adjust call to lang_size_sections, and
	remove duplicated code.
	* ldlang.h (lang_size_sections): Change `relax' param to boolean *.
2001-08-18 14:54:26 +00:00
Alan Modra
39dcfe18ca (wild_doit): Rename to lang_add_section. 2001-08-14 02:01:31 +00:00
Alan Modra
b6bf44ba1b * ld.texinfo (Input Section Basics): Clarify ordering of output
sections.
	* ldlang.c (callback_t): Add wildcard_list param.
	(walk_wild_section): Remove "section" param.  Rewrite for
	lang_wild_statement_type change.  Remove unique_section_p test.
	(walk_wild_file): Remove "section" param.
	(walk_wild): Remove "section" and "file" params.
	(lang_gc_wild): Likewise.
	(wild): Likewise.  Modify for lang_wild_statement_type change.
	(wild_sort): Likewise.  Add "sec" param.
	(gc_section_callback): Likewise.
	(output_section_callback): Likewise.  Do unique_section_p test.
	(map_input_to_output_sections): Modify call to wild.
	(lang_gc_sections_1): Likewise.
	(print_wild_statement): Modify for lang_wild_statement_type
	change.
	(lang_add_wild): Replace filename, filenames_sorted param with
	filespec.  Replace section_name, sections_sorted,
	exclude_filename_list with section_list.
	* ldlang.h (lang_add_wild): Here too.
	(lang_wild_statement_type): Replace section_name, sections_sorted,
	and exclude_filename_list with section_list.
	* ldgram.y (current_file): Delete.
	(%union): Add wildcard_list.
	(file_NAME_list): Set type to wildcard_list.  Build a linked list
	rather than calling lang_add_wild for each entry.
	(input_section_spec_no_keep): Call lang_add_wild here instead.
	* ld.h (struct wildcard_list): Declare.
	* mri.c (mri_draw_tree): Modify to suit new lang_add_wild.
2001-08-03 01:11:21 +00:00
Nick Clifton
a2b64bede3 Fixtypos in ChangeLogs, fix copyright dates in files 2001-03-13 06:14:29 +00:00
Alan Modra
577a062318 Extend "ld --unique" functionality. 2001-01-14 04:36:35 +00:00
Kazu Hirata
89cdebba13 2000-10-09 Kazu Hirata <kazu@hxi.com>
* ldcref.c: Fix formatting.
	* ldctor.h: Likewise.
	* ldemul.c: Likewise.
	* ldemul.h: Likewise.
	* ldexp.c: Likewise.
	* ldexp.h: Likewise.
	* ldfile.c: Likewise.
	* ldfile.h: Likewise.
	* ld.h: Likewise.
	* ldlang.c: Likewise.
	* ldlang.h: Likewise.
	* ldmain.c: Likewise.
2000-10-09 15:09:17 +00:00
Kazu Hirata
5cc18311d9 2000-09-29 Kazu Hirata <kazu@hxi.com>
* deffile.h: Fix formatting.
	* ld.h: Likewise.
	* ldctor.h: Likewise.
	* ldemul.h: Likewise.
	* ldexp.h: Likewise.
	* ldfile.h: Likewise.
	* ldlang.h: Likewise.
	* lexsup.c: Likewise.
	* mri.c: Likewise.
	* pe-dll.c: Likewise.
2000-09-29 13:21:41 +00:00
Alan Modra
b71e277823 Remove some forward declarations in ldemul.h and ldfile.h, and
re-arrange header include order.
Fix shadowing warnings in ldlang.h
Fix compile errors in mpw-elfmips.c
2000-07-11 03:42:41 +00:00
Alan Modra
aea4bd9d34 place_orphan optimisations 2000-04-25 05:14:16 +00:00
Timothy Wall
562d3460fb Add LMA memory region functionality. 2000-02-16 18:53:32 +00:00
Catherine Moore
18625d5459 * ld.h (wildcard_spec): Change exclude_name to exclude_name_list.
(name_list): New.
        * ld.texinfo (EXCLUDE_FILE): Update documentation.
        * ldgram.y (wildcard_spec): Support a list of excluded_files.
        (exclude_name_list): New.
        ldlang.c (walk_wild_section): Support list of excluded files.
        (print_wild_statement): Likewise.
        (lang_add_wild): Likewise.
        * ldlang.h (lang_wild_statement_type): Likewise.
        * scripttempl/elf.sc (OTHER_EXCLUDE_FILES): Support.
2000-01-05 14:12:23 +00:00
Ian Lance Taylor
aa8804e46e This fixes ! to work as documented in a memory region attribute list.
From Thomas Zenker <thz@lennartz-electronic.de>:
	* ldgram.y (attributes_opt): Use attributes_list instead of NAME.
	(attributes_list, attributes_string): New nonterminals.
	* ldlang.c (lang_set_flags): Add invert parameter.  Don't handle
	'!'.
	* ldlang.c (lang_set_flags): Update declaration.
1999-06-12 21:24:56 +00:00
Richard Henderson
252b5132c7 19990502 sourceware import 1999-05-03 07:29:11 +00:00