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4fdbafb247
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11 Commits

Author SHA1 Message Date
Ian Lance Taylor
4fdbafb247 Changes to make -Ur work again. 
* ldmain.c (add_to_set): Now takes reloc argument rather than
	bitsize.  Check config.build_constructors here.  If an new hash
	table entry is created, mark it as undefined.
	(constructor_callback): No longer takes bitsize argument.  Pass
	BFD_RELOC_CTOR to ldctor_add_set_entry, but first make sure the
	BFD backend supports it.
	(reloc_overflow): Handle a NULL abfd argument.
	(reloc_dangerous, unattached_reloc): Likewise.
	* ldctor.c: Include ldmain.h.
	(struct set_info): Change bitsize field to reloc.
	(ldctor_add_set_entry): Now takes reloc argument rather than
	bitsize.  Don't bother to check config.build_constructors here.
	(ldctor_build_sets): Get the size from the reloc howto.  If
	generating relocateable output, call lang_add_reloc rather than
	lang_add_data.
	* ldctor.h (ldctor_add_set_entry): Change declaration to use reloc
	instead of bitsize.
	* ldlang.h (statement_enum): Add lang_reloc_statement_enum.
	(lang_reloc_statement_type): New structure.
	(lang_statement_union_type): Add reloc_statement field.
	(lang_add_reloc): Declare new function.
	* ldlang.c (lang_for_each_statement_worker): Handle
	lang_reloc_statement_enum.
	(map_input_to_output_sections, print_statement): Likewise.
	(lang_size_sections, lang_do_assignments): Likewise.
	(print_reloc_statement): New function.
	(lang_add_reloc): New function.
	* ldwrite.c (build_link_order): Handle lang_reloc_statement_enum.
 1994-03-22 00:24:13 +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
Steve Chamberlain
ac5939079f Now compiles with gcc too. 1992-01-24 23:44:10 +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
ffb740a982 Fixed error message text 1991-05-08 19:23:55 +00:00
Steve Chamberlain
99fe455360 Merges from Intel. 
Chrisb bug fixes.
 1991-04-15 15:27:15 +00:00
Steve Chamberlain
1418c83b39 checkpoint before a merge 1991-04-14 03:22:42 +00:00
Steve Chamberlain
139d5bfdf9 *** empty log message *** 1991-03-22 22:32:22 +00:00
Steve Chamberlain
e59e0390a5 *** empty log message *** 1991-03-22 22:31:37 +00:00
David Henkel-Wallace
2fa0b342a5 Initial revision 1991-03-21 21:29:06 +00:00