* lexsup.c (OPTION_WARN_SECTION_ALIGN): Define.
(ld_options): Add --warn-section-align.
(parse_args): Handle --warn-section-align.
* ldlang.c (lang_size_sections): If warn_section_align, warn if
the start of a section changes due to alignment.
* ld.texinfo, ld.1: Document --warn-section-align.
* ld.texinfo: Change some single dashes to double dashes.
PR 10739.
* ldlang.h (struct lang_nocrossref): Define.
(struct lang_nocrossrefs): Define.
(nocrossref_list): Declare.
(lang_add_nocrossref): Declare.
* ldlex.l: Recognize NOCROSSREFS keyword.
* ldgram.y (%union): Add nocrossref field.
(NOCROSSREFS): New terminal.
(ifile_p1): Recognize NOCROSSREFS.
(nocrossref_list): New nonterminal.
* ldlang.c (nocrossref_list): Define.
(lang_add_nocrossref): New function.
* ldmain.c (main): If nocrossref_list is not NULL, call
check_nocrossrefs.
(warning_callback): Free symbols if there is no place to store
them.
(notice): Call add_cref if nocrossref_list is not NULL.
* ldcref.c: Include "ldexp.h" and "ldlang.h".
(check_nocrossrefs): New function.
(check_nocrossref): New static function.
(struct check_refs_info): Define.
(check_refs, check_reloc_refs): New static functions.
* Makefile.in: Rebuild dependencies.
* ld.texinfo (Option Commands): Document NOCROSSREFS.
* ldlex.l: Remove unused definition of FILENAME. Add definition
of WILDCHAR. In SCRIPT mode, accept any sequence of WILDCHAR as a
NAME.
* ldgram.y (file_NAME_list): Accept '*' and '?' specially.
(input_section_spec): Accept '?' specially.
(statement): Change exp to mustbe_exp in length and FILL cases.
(section): Call ldlex_script before section statements, and call
ldlex_popstate after them.
* ldlang.c: Include "fnmatch.h".
(wildcardp): New static function.
(wild_section): Permit the section name to be a wildcard.
(wild_file): New static function, broken out of wild.
(wild): Call wild_file. Permit the file name to be a wildcard.
(open_input_bfds): Don't call lookup_name for a wildcard pattern.
* Makefile.in: Rebuild dependencies.
(CFILES): Add fnmatch.c.
(HFILES): Add fnmatch.h.
(OFILES): Add fnmatch.o.
* ld.texinfo: Document that file and section names can now be
wildcard patterns.
* ldlang.c (lang_place_orphans): Correct condition: place a common
section if not relocateable or if common definitions are forced.
* ldlang.c (init_os): Fail on an attempt to initialize any section
named DISCARD_SECTION_NAME.
(wild_doit): Discard input sections assigned to an output section
named DISCARD_SECTION_NAME.
* ld.texinfo: Document use of /DISCARD/.
* ldmain.c (main): Initialize link_info.wrap_hash.
* ldexp.c (fold_name): Use bfd_wrapped_link_hash_lookup in DEFINED
and NAME cases.
* ld.texinfo, ld.1: Document --wrap.
* ldlang.h (lang_input_statement_type): Add whole_archive field.
* ldlang.c (new_afile): Set whole_archive field.
(load_symbols): Check input file specific whole_archive field
rather than global variable.
* ld.texinfo, ld.1: Document --no-whole-archive.
PR 9094.
* ldgram.y: Add token LNAME.
(input_list): Treat LNAME like NAME, but pass it to
lang_add_input_file as lang_input_file_is_l_enum.
* ld.texinfo: Document using -lFILENAME in INPUT.
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.
* 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.
* 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.
* 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.
* 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.
(1) show `-y SYMBOL' with space
(2) weaken multi-target stuff, to avoid false expectations now that
linker now often config'd with only one target
(3) describe -relax support on i960
(4) correct description of hyphen chars in symbols
(5) describe CONSTRUCTORS linker script cmd
Ian Lance Taylor
David Edelsohn
David MacKenzie
Roland Pesch
Stan Shebs