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.
lang_one_common as power of two.
(lang_one_common): Get common symbol alignment from linker hash
table entry. Treat desired alignment as a power of two.
* lexsup.c (S_ISDIR): Define if not already defined.
(parse_args): Add support for -rpath. If -R is used to name a
directory, treat it as -rpath for Solaris compatibility.
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation):
Pass command_line.rpath to bfd_elf32_size_dynamic_sections.
* ldmain.c (main): Initialize command_line.rpath to NULL.
* ld.texinfo: Document -rpath option.
synonyms --start-group --end-group.
* ldlang.h (enum statement_enum): Add lang_group_statement_enum.
(lang_group_statement_type): Define new struct.
(lang_statement_union_type): Add group_statement field.
(lang_enter_group, lang_leave_group): Declare.
* ldlang.c (lang_for_each_statement_worker): Handle
lang_group_statement_enum.
(map_input_to_output_sections, print_statement): Likewise.
(lang_size_sections, lang_do_assignments): Likewise.
(open_input_bfds): Completely rewrite. Now does its own looping,
rather than using lang_for_each_statement. Handle groups.
(lang_process): Update call to open_input_bfds.
(print_group): New static function.
(lang_enter_group, lang_leave_group): New static functions.
* ldfile.c (ldfile_open_file): If the file has already been
opened, just return rather than taking an assertion failure.
* ldver.c (help): Mention new options.
* ld.texinfo: Document new options.
* emultempl/linux.em: New file providing support for linking
against Linux shared libraries.
* config/i386-linux.mt (ei386linux.c): Depend upon linux.em.
* emulparams/i386linux.sh (TEMPLATE_NAME): Define as linux.
(ld_emulation_xfer_type): Add new field open_dynamic_archive.
* ldemul.c: Include ldexp.h and ldlang.h.
(ldemul_open_dynamic_archive): New function.
* ldfile.h (ldfile_open_file_search): Declare.
* ldfile.c: Include ldemul.h.
(try_open_bfd): Rename from cache_bfd_openr. Return boolean
argument, not bfd *. Change all callers.
(ldfile_open_file_search): Rename from open_a. Return boolean
argument, not bfd *. Clean up. Change all callers.
(ldfile_open_file): If doing a dynamic link, call
ldemul_open_dynamic_archive rather than assuming the extension of
a dynamic object is ".so".
* emultempl/elf32.em (gld${EMULATION_NAME}_open_dynamic_archive):
New function.
(ld_${EMULATION_NAME}_emulation): Initialize open_dynamic_archive
field.
* emultempl/sunos.em (ld_${EMULATION_NAME}_emulation): Likewise.
* 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.
* 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.
* aout.sc: Don't define __DYNAMIC here. Add new sections used by
shared library support code.
* emultempl/sunos.em: New file.
* emulparams/sun4.sh (TEMPLATE_NAME): Define as sunos.
* Makefile.in (esun4.c): Depend upon sunos.em, not generic.em.
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.
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.
.reginfo an address.
(OTHER_READWRITE_SECTIONS): Don't give .lit4 or .lit8 an address.
(OTHER_SECTIONS): Define for .gptab.sdata and .gptab.sbss.
* scripttempl/elf.sc: Use OTHER_SECTIONS at end of script.
* 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.
* cdtest-foo.cc: Use explicit "#pragma implementation".
* cdtest-bar.cc: Renamed from cdtest-func.cc.
* Makefile.in: References to cdtest-func.o changed to cdtest-bar.o.
* ldlang.c (out_bfd_get_section_by_name): Remove.
(wild_section): Call bfd_get_section_by_name rather than
our_bfd_get_section_by_name. Don't call wild_doit if there is no
section.
(lang_create_output_section_statements): Remove.
(map_input_to_output_sections): For several cases, call init_os if
it has not already been called.
(lang_size_sections): If output section was not created, skip it.
(lang_process): Don't call lan_create_output_section_statements.
(lang_place_orphans): Skip files with just_syms_flags set to true.
* ld.texinfo: Document change.
* emultempl/gld960.em, emultempl/gld960c.em, emultempl/lnk960.em,
emultempl/hppaelf.em, emultempl/m88kbcs.em, emultempl/vanilla.em: Ditto.
* Makefile.in: Changed all generated file names.
(ldemul-list.h): Depend on Makefile, not config.status. Changed sed patterns
to handle new filenames.
* ldlang.c (lang_size_sections): If dot moves because of an
assignment, don't try to insert a pad into the absolute output
section, just change the address of the default memory region
instead.
* Makefile.in (em_m68klynx.c, em_i386lynx.c, em_sparclynx.c): Use
Lynx-specific script templates.
* configure.in (sparclite*-*-coff): Use coff-sparc.
* emulparams/i386lynx.sh (SCRIPT_NAME): Set to i386lynx.
* emulparams/sparclynx.sh (SCRIPT_NAME): Set to sparclynx.
(ENTRY): Set to __main.
* scripttempl/i386lynx.sc: New file, script for I386 Lynx.
* scripttempl/m68klynx.sc: Add insertion of ctor/dtor sections.
* scripttempl/sparclynx.sc: New file, script for uSparc Lynx.
.fini sections into .text; keep them separate.
* config/i386sco.mh (HOSTING_CRT0): If ../gcc/crtbegin.o does not
exist, get crtbegin based on gcc -print-libgcc-file-name.
(HOSTING_LIBS): Similar change for ../gcc/crtend.o.
real to true for lang_input_file_is_marker_enum. Clear the_bfd.
(lang_add_input_file): Pass true to new_afile for add_to_list.
(lookup_name): Remove force_load argument. Changed all callers.
Pass false to new_afile for add_to_list. Split loading of symbols
out into separate function.
(load_symbols): New function split out of lookup_name. Don't load
the symbols if they are already loaded.
(open_input_bfds): For lang_input_statement_enum call load_symbols
rather than lookup_name.
(lang_process): Pass abs_output_section rather than NULL to
lang_size_sections.
(lang_startup): Set real field of first_file to true.
* 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.
(file_chain): Add decl.
(hppa_look_for_stubs_in_section): Delete decl.
(hppaelf_finish): Reenable code. Do not pass symbols
down to hppa_look_for_stubs_in_section.
Just use map_file or map_filename instead.
(add_archive_element): Use minfo to write map information, not
info_msg.
(constructor_callback): Use fprintf to write map information, not
info_msg.
* ldmain.h (write_map): Don't declare.
* ldgram.y (mri_script_command): Removed reference to write_map.
* ldlang.c (lang_one_common): Likewise.
* lexsup.c (parse_args): Likewise.
* 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.
Add comments in several functions as to their purpose and
how they function (or my current best guess). Clean up horrible
spacing and indention that never should have been accepted in the
first place. Add FIXMEs for issues which need to be resolved.
Disable linker-stub generation until it gets fixed. This allows
the linker to at least work on simple code for testing purposes.
it via hppaelf_finish). Prototype moved into ldlang.h.
(lang_process): Move problematic extra call to lang_size_sections
into the PA ELF specific code.
* emultempl/hppaelf.em (hppaelf_finish): Extra call to
lang_size_sections moved here.
* config/ppc-elf32.mt: New file.
* emulparams/elf32ppc.sh: New file.
* emultempl/ppc.em: New file.
* Makefile.in (ALL_EMULATIONS): Added em_elf32ppc.o.
(em_elf32ppc.c): New target; uses elf32ppc.sh, ppc.em and elf.sc.
(EMULATION_OFILES): Added dependencies on ldexp.h and ldlang.h.
* 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.
