X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Flexsup.c;h=d7766c3c557cb751a70754818dd3938f020f0079;hb=b61121178ec07f9da1242e439fe1a23a314ad30e;hp=4dcfc3c65399b0bf5f63644c6235549be89cda00;hpb=02b0b1aa7702634955c7972e33403e1d37ed6602;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/lexsup.c b/ld/lexsup.c index 4dcfc3c653..d7766c3c55 100644 --- a/ld/lexsup.c +++ b/ld/lexsup.c @@ -1,7 +1,5 @@ /* Parse options for the GNU linker. - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005, 2006, 2007 - Free Software Foundation, Inc. + Copyright (C) 1991-2019 Free Software Foundation, Inc. This file is part of the GNU Binutils. @@ -29,6 +27,7 @@ #include "safe-ctype.h" #include "getopt.h" #include "bfdlink.h" +#include "ctf-api.h" #include "ld.h" #include "ldmain.h" #include "ldmisc.h" @@ -40,6 +39,9 @@ #include "ldver.h" #include "ldemul.h" #include "demangle.h" +#ifdef ENABLE_PLUGINS +#include "plugin.h" +#endif /* ENABLE_PLUGINS */ #ifndef PATH_SEPARATOR #if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__)) @@ -59,117 +61,28 @@ static void set_section_start (char *, char *); static void set_segment_start (const char *, char *); static void help (void); -/* Non-zero if we are processing a --defsym from the command line. */ -int parsing_defsym = 0; - -/* Codes used for the long options with no short synonyms. 150 isn't - special; it's just an arbitrary non-ASCII char value. */ -enum option_values -{ - OPTION_ASSERT = 150, - OPTION_CALL_SHARED, - OPTION_CREF, - OPTION_DEFSYM, - OPTION_DEMANGLE, - OPTION_DYNAMIC_LINKER, - OPTION_SYSROOT, - OPTION_EB, - OPTION_EL, - OPTION_EMBEDDED_RELOCS, - OPTION_EXPORT_DYNAMIC, - OPTION_HELP, - OPTION_IGNORE, - OPTION_MAP, - OPTION_NO_DEMANGLE, - OPTION_NO_KEEP_MEMORY, - OPTION_NO_WARN_MISMATCH, - OPTION_NO_WARN_SEARCH_MISMATCH, - OPTION_NOINHIBIT_EXEC, - OPTION_NON_SHARED, - OPTION_NO_WHOLE_ARCHIVE, - OPTION_OFORMAT, - OPTION_RELAX, - OPTION_RETAIN_SYMBOLS_FILE, - OPTION_RPATH, - OPTION_RPATH_LINK, - OPTION_SHARED, - OPTION_SONAME, - OPTION_SORT_COMMON, - OPTION_SORT_SECTION, - OPTION_STATS, - OPTION_SYMBOLIC, - OPTION_SYMBOLIC_FUNCTIONS, - OPTION_TASK_LINK, - OPTION_TBSS, - OPTION_TDATA, - OPTION_TTEXT, - OPTION_TTEXT_SEGMENT, - OPTION_TRADITIONAL_FORMAT, - OPTION_UR, - OPTION_VERBOSE, - OPTION_VERSION, - OPTION_VERSION_SCRIPT, - OPTION_VERSION_EXPORTS_SECTION, - OPTION_DYNAMIC_LIST, - OPTION_DYNAMIC_LIST_CPP_NEW, - OPTION_DYNAMIC_LIST_CPP_TYPEINFO, - OPTION_DYNAMIC_LIST_DATA, - OPTION_WARN_COMMON, - OPTION_WARN_CONSTRUCTORS, - OPTION_WARN_FATAL, - OPTION_NO_WARN_FATAL, - OPTION_WARN_MULTIPLE_GP, - OPTION_WARN_ONCE, - OPTION_WARN_SECTION_ALIGN, - OPTION_SPLIT_BY_RELOC, - OPTION_SPLIT_BY_FILE , - OPTION_WHOLE_ARCHIVE, - OPTION_ADD_NEEDED, - OPTION_NO_ADD_NEEDED, - OPTION_AS_NEEDED, - OPTION_NO_AS_NEEDED, - OPTION_WRAP, - OPTION_FORCE_EXE_SUFFIX, - OPTION_GC_SECTIONS, - OPTION_NO_GC_SECTIONS, - OPTION_PRINT_GC_SECTIONS, - OPTION_NO_PRINT_GC_SECTIONS, - OPTION_HASH_SIZE, - OPTION_CHECK_SECTIONS, - OPTION_NO_CHECK_SECTIONS, - OPTION_NO_UNDEFINED, - OPTION_INIT, - OPTION_FINI, - OPTION_SECTION_START, - OPTION_UNIQUE, - OPTION_TARGET_HELP, - OPTION_ALLOW_SHLIB_UNDEFINED, - OPTION_NO_ALLOW_SHLIB_UNDEFINED, - OPTION_ALLOW_MULTIPLE_DEFINITION, - OPTION_NO_UNDEFINED_VERSION, - OPTION_DEFAULT_SYMVER, - OPTION_DEFAULT_IMPORTED_SYMVER, - OPTION_DISCARD_NONE, - OPTION_SPARE_DYNAMIC_TAGS, - OPTION_NO_DEFINE_COMMON, - OPTION_NOSTDLIB, - OPTION_NO_OMAGIC, - OPTION_STRIP_DISCARDED, - OPTION_NO_STRIP_DISCARDED, - OPTION_ACCEPT_UNKNOWN_INPUT_ARCH, - OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH, - OPTION_PIE, - OPTION_UNRESOLVED_SYMBOLS, - OPTION_WARN_UNRESOLVED_SYMBOLS, - OPTION_ERROR_UNRESOLVED_SYMBOLS, - OPTION_WARN_SHARED_TEXTREL, - OPTION_REDUCE_MEMORY_OVERHEADS, - OPTION_DEFAULT_SCRIPT -}; - /* The long options. This structure is used for both the option parsing and the help text. */ +enum control_enum { + /* Use one dash before long option name. */ + ONE_DASH = 1, + /* Use two dashes before long option name. */ + TWO_DASHES = 2, + /* Only accept two dashes before the long option name. + This is an overloading of the use of this enum, since originally it + was only intended to tell the --help display function how to display + the long option name. This feature was added in order to resolve + the confusion about the -omagic command line switch. Is it setting + the output file name to "magic" or is it setting the NMAGIC flag on + the output ? It has been decided that it is setting the output file + name, and that if you want to set the NMAGIC flag you should use -N + or --omagic. */ + EXACTLY_TWO_DASHES, + /* Don't mention this option in --help output. */ + NO_HELP +}; + struct ld_option { /* The long option information. */ @@ -181,24 +94,7 @@ struct ld_option /* The documentation string. If this is NULL, this is a synonym for the previous option. */ const char *doc; - enum { - /* Use one dash before long option name. */ - ONE_DASH, - /* Use two dashes before long option name. */ - TWO_DASHES, - /* Only accept two dashes before the long option name. - This is an overloading of the use of this enum, since originally it - was only intended to tell the --help display function how to display - the long option name. This feature was added in order to resolve - the confusion about the -omagic command line switch. Is it setting - the output file name to "magic" or is it setting the NMAGIC flag on - the output ? It has been decided that it is setting the output file - name, and that if you want to set the NMAGIC flag you should use -N - or --omagic. */ - EXACTLY_TWO_DASHES, - /* Don't mention this option in --help output. */ - NO_HELP - } control; + enum control_enum control; }; static const struct ld_option ld_options[] = @@ -217,10 +113,15 @@ static const struct ld_option ld_options[] = 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH }, { {"dp", no_argument, NULL, 'd'}, '\0', NULL, NULL, ONE_DASH }, + { {"force-group-allocation", no_argument, NULL, + OPTION_FORCE_GROUP_ALLOCATION}, + '\0', NULL, N_("Force group members out of groups"), TWO_DASHES }, { {"entry", required_argument, NULL, 'e'}, 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES }, { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC}, 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES }, + { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC}, + '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES }, { {"EB", no_argument, NULL, OPTION_EB}, '\0', NULL, N_("Link big-endian objects"), ONE_DASH }, { {"EL", no_argument, NULL, OPTION_EL}, @@ -241,6 +142,9 @@ static const struct ld_option ld_options[] = { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER}, 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"), TWO_DASHES }, + { {"no-dynamic-linker", no_argument, NULL, OPTION_NO_DYNAMIC_LINKER}, + '\0', NULL, N_("Produce an executable with no program interpreter header"), + TWO_DASHES }, { {"library", required_argument, NULL, 'l'}, 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES }, { {"library-path", required_argument, NULL, 'L'}, @@ -264,6 +168,29 @@ static const struct ld_option ld_options[] = 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES }, { {NULL, required_argument, NULL, '\0'}, 'O', NULL, N_("Optimize output file"), ONE_DASH }, + { {"out-implib", required_argument, NULL, OPTION_OUT_IMPLIB}, + '\0', N_("FILE"), N_("Generate import library"), TWO_DASHES }, +#ifdef ENABLE_PLUGINS + { {"plugin", required_argument, NULL, OPTION_PLUGIN}, + '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH }, + { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT}, + '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH }, + { {"flto", optional_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for GCC LTO option compatibility"), + ONE_DASH }, + { {"flto-partition=", required_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for GCC LTO option compatibility"), + ONE_DASH }, +#endif /* ENABLE_PLUGINS */ + { {"fuse-ld=", required_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for GCC linker option compatibility"), + ONE_DASH }, + { {"map-whole-files", optional_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for gold option compatibility"), + TWO_DASHES }, + { {"no-map-whole-files", optional_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for gold option compatibility"), + TWO_DASHES }, { {"Qy", no_argument, NULL, OPTION_IGNORE}, '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH }, { {"emit-relocs", no_argument, NULL, 'q'}, @@ -294,6 +221,9 @@ static const struct ld_option ld_options[] = { {"undefined", required_argument, NULL, 'u'}, 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES }, + { {"require-defined", required_argument, NULL, OPTION_REQUIRE_DEFINED_SYMBOL}, + '\0', N_("SYMBOL"), N_("Require SYMBOL be defined in the final output"), + TWO_DASHES }, { {"unique", optional_argument, NULL, OPTION_UNIQUE}, '\0', N_("[=SECTION]"), N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES }, @@ -327,19 +257,21 @@ static const struct ld_option ld_options[] = OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH}, '\0', NULL, N_("Reject input files whose architecture is unknown"), TWO_DASHES }, - { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED}, - '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n" - " following dynamic libs"), - TWO_DASHES }, - { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED}, - '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n" - " in following dynamic libs"), - TWO_DASHES }, - { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED}, + + /* The next two options are deprecated because of their similarity to + --as-needed and --no-as-needed. They have been replaced by + --copy-dt-needed-entries and --no-copy-dt-needed-entries. */ + { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC}, + '\0', NULL, NULL, NO_HELP }, + { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC}, + '\0', NULL, NULL, NO_HELP }, + + { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR}, '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"), TWO_DASHES }, - { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED}, - '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"), + { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR}, + '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n" + " the command line"), TWO_DASHES }, { {"assert", required_argument, NULL, OPTION_ASSERT}, '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH }, @@ -367,6 +299,15 @@ static const struct ld_option ld_options[] = { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS}, '\0', NULL, N_("Do not check section addresses for overlaps"), TWO_DASHES }, + { {"copy-dt-needed-entries", no_argument, NULL, + OPTION_ADD_DT_NEEDED_FOR_DYNAMIC}, + '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"), + TWO_DASHES }, + { {"no-copy-dt-needed-entries", no_argument, NULL, + OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC}, + '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"), + TWO_DASHES }, + { {"cref", no_argument, NULL, OPTION_CREF}, '\0', NULL, N_("Output cross reference table"), TWO_DASHES }, { {"defsym", required_argument, NULL, OPTION_DEFSYM}, @@ -374,6 +315,11 @@ static const struct ld_option ld_options[] = { {"demangle", optional_argument, NULL, OPTION_DEMANGLE}, '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"), TWO_DASHES }, + { {"disable-multiple-abs-defs", no_argument, NULL, + OPTION_DISABLE_MULTIPLE_DEFS_ABS}, + '\0', NULL, N_("Do not allow multiple definitions with symbols included\n" + " in filename invoked by -R or --just-symbols"), + TWO_DASHES}, { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS}, '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES}, { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}, @@ -398,6 +344,9 @@ static const struct ld_option ld_options[] = { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS}, '\0', NULL, N_("Do not list removed unused sections"), TWO_DASHES }, + { {"gc-keep-exported", no_argument, NULL, OPTION_GC_KEEP_EXPORTED}, + '\0', NULL, N_("Keep exported symbols when removing unused sections"), + TWO_DASHES }, { {"hash-size=", required_argument, NULL, OPTION_HASH_SIZE}, '\0', NULL, N_("Set default hash table size close to "), TWO_DASHES }, @@ -417,7 +366,7 @@ static const struct ld_option ld_options[] = '\0', NULL, N_("Do not allow unresolved references in object files"), TWO_DASHES }, { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED}, - '\0', NULL, N_("Allow unresolved references in shared libaries"), + '\0', NULL, N_("Allow unresolved references in shared libraries"), TWO_DASHES }, { {"no-allow-shlib-undefined", no_argument, NULL, OPTION_NO_ALLOW_SHLIB_UNDEFINED}, @@ -454,6 +403,10 @@ static const struct ld_option ld_options[] = { {"oformat", required_argument, NULL, OPTION_OFORMAT}, '\0', N_("TARGET"), N_("Specify target of output file"), EXACTLY_TWO_DASHES }, + { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT}, + '\0', NULL, N_("Print default output format"), TWO_DASHES }, + { {"print-sysroot", no_argument, NULL, OPTION_PRINT_SYSROOT}, + '\0', NULL, N_("Print current sysroot"), TWO_DASHES }, { {"qmagic", no_argument, NULL, OPTION_IGNORE}, '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH }, { {"reduce-memory-overheads", no_argument, NULL, @@ -461,7 +414,9 @@ static const struct ld_option ld_options[] = '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"), TWO_DASHES }, { {"relax", no_argument, NULL, OPTION_RELAX}, - '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES }, + '\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES }, + { {"no-relax", no_argument, NULL, OPTION_NO_RELAX}, + '\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES }, { {"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE}, '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES }, @@ -479,13 +434,13 @@ static const struct ld_option ld_options[] = { {"pic-executable", no_argument, NULL, OPTION_PIE}, '\0', NULL, NULL, TWO_DASHES }, { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON}, - '\0', N_("[=ascending|descending]"), - N_("Sort common symbols by alignment [in specified order]"), + '\0', N_("[=ascending|descending]"), + N_("Sort common symbols by alignment [in specified order]"), TWO_DASHES }, { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON}, '\0', NULL, NULL, NO_HELP }, { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION}, - '\0', N_("name|alignment"), + '\0', N_("name|alignment"), N_("Sort sections by name or maximum alignment"), TWO_DASHES }, { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS}, '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"), @@ -515,14 +470,19 @@ static const struct ld_option ld_options[] = '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH }, { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT}, '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH }, + { {"Trodata-segment", required_argument, NULL, OPTION_TRODATA_SEGMENT}, + '\0', N_("ADDRESS"), N_("Set address of rodata segment"), ONE_DASH }, + { {"Tldata-segment", required_argument, NULL, OPTION_TLDATA_SEGMENT}, + '\0', N_("ADDRESS"), N_("Set address of ldata segment"), ONE_DASH }, { {"unresolved-symbols=", required_argument, NULL, OPTION_UNRESOLVED_SYMBOLS}, '\0', NULL, N_("How to handle unresolved symbols. is:\n" " ignore-all, report-all, ignore-in-object-files,\n" " ignore-in-shared-libs"), TWO_DASHES }, - { {"verbose", no_argument, NULL, OPTION_VERBOSE}, - '\0', NULL, N_("Output lots of information during link"), TWO_DASHES }, + { {"verbose", optional_argument, NULL, OPTION_VERBOSE}, + '\0', N_("[=NUMBER]"), + N_("Output lots of information during link"), TWO_DASHES }, { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */ '\0', NULL, NULL, NO_HELP }, { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT }, @@ -555,6 +515,9 @@ static const struct ld_option ld_options[] = { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL}, '\0', NULL, N_("Warn if shared object has DT_TEXTREL"), TWO_DASHES }, + { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM}, + '\0', NULL, N_("Warn if an object has alternate ELF machine code"), + TWO_DASHES }, { {"warn-unresolved-symbols", no_argument, NULL, OPTION_WARN_UNRESOLVED_SYMBOLS}, '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES }, @@ -566,6 +529,27 @@ static const struct ld_option ld_options[] = TWO_DASHES }, { {"wrap", required_argument, NULL, OPTION_WRAP}, '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES }, + { {"ignore-unresolved-symbol", required_argument, NULL, + OPTION_IGNORE_UNRESOLVED_SYMBOL}, + '\0', N_("SYMBOL"), + N_("Unresolved SYMBOL will not cause an error or warning"), TWO_DASHES }, + { {"push-state", no_argument, NULL, OPTION_PUSH_STATE}, + '\0', NULL, N_("Push state of flags governing input file handling"), + TWO_DASHES }, + { {"pop-state", no_argument, NULL, OPTION_POP_STATE}, + '\0', NULL, N_("Pop state of flags governing input file handling"), + TWO_DASHES }, + { {"print-memory-usage", no_argument, NULL, OPTION_PRINT_MEMORY_USAGE}, + '\0', NULL, N_("Report target memory usage"), TWO_DASHES }, + { {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING}, + '\0', N_("=MODE"), N_("Control how orphan sections are handled."), + TWO_DASHES }, + { {"print-map-discarded", no_argument, NULL, OPTION_PRINT_MAP_DISCARDED}, + '\0', NULL, N_("Show discarded sections in map file output (default)"), + TWO_DASHES }, + { {"no-print-map-discarded", no_argument, NULL, OPTION_NO_PRINT_MAP_DISCARDED}, + '\0', NULL, N_("Do not show discarded sections in map file output"), + TWO_DASHES }, }; #define OPTION_COUNT ARRAY_SIZE (ld_options) @@ -582,10 +566,24 @@ parse_args (unsigned argc, char **argv) struct option *really_longopts; int last_optind; enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR; - - shortopts = xmalloc (OPTION_COUNT * 3 + 2); - longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1)); - really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1)); + enum symbolic_enum + { + symbolic_unset = 0, + symbolic, + symbolic_functions, + } opt_symbolic = symbolic_unset; + enum dynamic_list_enum + { + dynamic_list_unset = 0, + dynamic_list_data, + dynamic_list + } opt_dynamic_list = dynamic_list_unset; + + shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2); + longopts = (struct option *) + xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1)); + really_longopts = (struct option *) + malloc (sizeof (*really_longopts) * (OPTION_COUNT + 1)); /* Starting the short option string with '-' is for programs that expect options and other ARGV-elements in any order and that care about @@ -670,7 +668,7 @@ parse_args (unsigned argc, char **argv) { char *n; - n = xmalloc (strlen (argv[i]) + 20); + n = (char *) xmalloc (strlen (argv[i]) + 20); sprintf (n, "--library=%s", argv[i] + 2); argv[i] = n; } @@ -681,6 +679,7 @@ parse_args (unsigned argc, char **argv) { int longind; int optc; + static unsigned int defsym_count; /* Using last_optind lets us avoid calling ldemul_parse_args multiple times on a single option, which would lead to @@ -712,11 +711,33 @@ parse_args (unsigned argc, char **argv) switch (optc) { case '?': - einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]); + { + /* If the last word on the command line is an option that + requires an argument, getopt will refuse to recognise it. + Try to catch such options here and issue a more helpful + error message than just "unrecognized option". */ + int opt; + + for (opt = ARRAY_SIZE (ld_options); opt--;) + if (ld_options[opt].opt.has_arg == required_argument + /* FIXME: There are a few short options that do not + have long equivalents, but which require arguments. + We should handle them too. */ + && ld_options[opt].opt.name != NULL + && strcmp (argv[last_optind] + ld_options[opt].control, ld_options[opt].opt.name) == 0) + { + einfo (_("%P: %s: missing argument\n"), argv[last_optind]); + break; + } + + if (opt == -1) + einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]); + } /* Fall through. */ default: - einfo (_("%P%F: use the --help option for usage information\n")); + einfo (_("%F%P: use the --help option for usage information\n")); + break; case 1: /* File name. */ lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL); @@ -729,12 +750,12 @@ parse_args (unsigned argc, char **argv) ``use only shared libraries'' but, then, we don't currently support shared libraries on HP/UX anyhow. */ if (strcmp (optarg, "archive") == 0) - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; else if (strcmp (optarg, "shared") == 0 || strcmp (optarg, "default") == 0) - config.dynamic_link = TRUE; + input_flags.dynamic = TRUE; else - einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg); + einfo (_("%F%P: unrecognized -a option `%s'\n"), optarg); break; case OPTION_ASSERT: /* FIXME: We just ignore these, but we should handle them. */ @@ -747,7 +768,7 @@ parse_args (unsigned argc, char **argv) else if (strcmp (optarg, "pure-text") == 0) ; else - einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg); + einfo (_("%F%P: unrecognized -assert option `%s'\n"), optarg); break; case 'A': ldfile_add_arch (optarg); @@ -761,10 +782,10 @@ parse_args (unsigned argc, char **argv) yyparse (); break; case OPTION_CALL_SHARED: - config.dynamic_link = TRUE; + input_flags.dynamic = TRUE; break; case OPTION_NON_SHARED: - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; break; case OPTION_CREF: command_line.cref = TRUE; @@ -773,13 +794,14 @@ parse_args (unsigned argc, char **argv) case 'd': command_line.force_common_definition = TRUE; break; + case OPTION_FORCE_GROUP_ALLOCATION: + command_line.force_group_allocation = TRUE; + break; case OPTION_DEFSYM: lex_string = optarg; - lex_redirect (optarg); + lex_redirect (optarg, "--defsym", ++defsym_count); parser_input = input_defsym; - parsing_defsym = 1; yyparse (); - parsing_defsym = 0; lex_string = NULL; break; case OPTION_DEMANGLE: @@ -790,7 +812,7 @@ parse_args (unsigned argc, char **argv) style = cplus_demangle_name_to_style (optarg); if (style == unknown_demangling) - einfo (_("%F%P: unknown demangling style `%s'"), + einfo (_("%F%P: unknown demangling style `%s'\n"), optarg); cplus_demangle_set_style (style); @@ -799,6 +821,10 @@ parse_args (unsigned argc, char **argv) case 'I': /* Used on Solaris. */ case OPTION_DYNAMIC_LINKER: command_line.interpreter = optarg; + link_info.nointerp = 0; + break; + case OPTION_NO_DYNAMIC_LINKER: + link_info.nointerp = 1; break; case OPTION_SYSROOT: /* Already handled in ldmain.c. */ @@ -816,13 +842,17 @@ parse_args (unsigned argc, char **argv) case 'E': /* HP/UX compatibility. */ link_info.export_dynamic = TRUE; break; + case OPTION_NO_EXPORT_DYNAMIC: + link_info.export_dynamic = FALSE; + break; case 'e': lang_add_entry (optarg, TRUE); break; case 'f': if (command_line.auxiliary_filters == NULL) { - command_line.auxiliary_filters = xmalloc (2 * sizeof (char *)); + command_line.auxiliary_filters = (char **) + xmalloc (2 * sizeof (char *)); command_line.auxiliary_filters[0] = optarg; command_line.auxiliary_filters[1] = NULL; } @@ -834,9 +864,9 @@ parse_args (unsigned argc, char **argv) c = 0; for (p = command_line.auxiliary_filters; *p != NULL; p++) ++c; - command_line.auxiliary_filters - = xrealloc (command_line.auxiliary_filters, - (c + 2) * sizeof (char *)); + command_line.auxiliary_filters = (char **) + xrealloc (command_line.auxiliary_filters, + (c + 2) * sizeof (char *)); command_line.auxiliary_filters[c] = optarg; command_line.auxiliary_filters[c + 1] = NULL; } @@ -852,7 +882,7 @@ parse_args (unsigned argc, char **argv) char *end; g_switch_value = strtoul (optarg, &end, 0); if (*end) - einfo (_("%P%F: invalid number `%s'\n"), optarg); + einfo (_("%F%P: invalid number `%s'\n"), optarg); } break; case 'g': @@ -864,6 +894,9 @@ parse_args (unsigned argc, char **argv) case OPTION_PRINT_GC_SECTIONS: link_info.print_gc_sections = TRUE; break; + case OPTION_GC_KEEP_EXPORTED: + link_info.gc_keep_exported = TRUE; + break; case OPTION_HELP: help (); xexit (0); @@ -886,20 +919,20 @@ parse_args (unsigned argc, char **argv) case 'N': config.text_read_only = FALSE; config.magic_demand_paged = FALSE; - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; break; case OPTION_NO_OMAGIC: config.text_read_only = TRUE; config.magic_demand_paged = TRUE; - /* NB/ Does not set dynamic_link to TRUE. + /* NB/ Does not set input_flags.dynamic to TRUE. Use --call-shared or -Bdynamic for this. */ break; case 'n': config.magic_demand_paged = FALSE; - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; break; case OPTION_NO_DEFINE_COMMON: - command_line.inhibit_common_definition = TRUE; + link_info.inhibit_common_definition = TRUE; break; case OPTION_NO_DEMANGLE: demangling = FALSE; @@ -943,14 +976,14 @@ parse_args (unsigned argc, char **argv) link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols; } - else if (strcmp (optarg, "ignore-in-shared-libs") == 0) + else if (strcmp (optarg, "ignore-in-shared-libs") == 0) { link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols; link_info.unresolved_syms_in_shared_libs = RM_IGNORE; } else - einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg); + einfo (_("%F%P: bad --unresolved-symbols option: %s\n"), optarg); break; case OPTION_WARN_UNRESOLVED_SYMBOLS: how_to_report_unresolved_symbols = RM_GENERATE_WARNING; @@ -992,7 +1025,7 @@ parse_args (unsigned argc, char **argv) config.only_cmd_line_lib_dirs = TRUE; break; case OPTION_NO_WHOLE_ARCHIVE: - whole_archive = FALSE; + input_flags.whole_archive = FALSE; break; case 'O': /* FIXME "-O " used to set the address of @@ -1010,6 +1043,26 @@ parse_args (unsigned argc, char **argv) case OPTION_OFORMAT: lang_add_output_format (optarg, NULL, NULL, 0); break; + case OPTION_OUT_IMPLIB: + command_line.out_implib_filename = xstrdup (optarg); + break; + case OPTION_PRINT_SYSROOT: + if (*ld_sysroot) + puts (ld_sysroot); + xexit (0); + break; + case OPTION_PRINT_OUTPUT_FORMAT: + command_line.print_output_format = TRUE; + break; +#ifdef ENABLE_PLUGINS + case OPTION_PLUGIN: + plugin_opt_plugin (optarg); + break; + case OPTION_PLUGIN_OPT: + if (plugin_opt_plugin_arg (optarg)) + einfo (_("%F%P: bad -plugin-opt option\n")); + break; +#endif /* ENABLE_PLUGINS */ case 'q': link_info.emitrelocations = TRUE; break; @@ -1024,13 +1077,17 @@ parse_args (unsigned argc, char **argv) an error message here. We cannot just make this a warning, increment optind, and continue because getopt is too confused and will seg-fault the next time around. */ - einfo(_("%P%F: bad -rpath option\n")); + einfo(_("%F%P: unrecognised option: %s\n"), argv[optind]); - link_info.relocatable = TRUE; + if (bfd_link_pic (&link_info)) + einfo (_("%F%P: -r and %s may not be used together\n"), + bfd_link_dll (&link_info) ? "-shared" : "-pie"); + + link_info.type = type_relocatable; config.build_constructors = FALSE; config.magic_demand_paged = FALSE; config.text_read_only = FALSE; - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; break; case 'R': /* The GNU linker traditionally uses -R to mean to include @@ -1081,7 +1138,7 @@ parse_args (unsigned argc, char **argv) if (cp == NULL) { - buf = xmalloc (rpath_len + optarg_len + 2); + buf = (char *) xmalloc (rpath_len + optarg_len + 2); sprintf (buf, "%s%c%s", command_line.rpath, config.rpath_separator, optarg); free (command_line.rpath); @@ -1096,17 +1153,20 @@ parse_args (unsigned argc, char **argv) { char *buf; - buf = xmalloc (strlen (command_line.rpath_link) - + strlen (optarg) - + 2); + buf = (char *) xmalloc (strlen (command_line.rpath_link) + + strlen (optarg) + + 2); sprintf (buf, "%s%c%s", command_line.rpath_link, config.rpath_separator, optarg); free (command_line.rpath_link); command_line.rpath_link = buf; } break; + case OPTION_NO_RELAX: + DISABLE_RELAXATION; + break; case OPTION_RELAX: - command_line.relax = TRUE; + ENABLE_RELAXATION; break; case OPTION_RETAIN_SYMBOLS_FILE: add_keepsyms_file (optarg); @@ -1123,10 +1183,17 @@ parse_args (unsigned argc, char **argv) case OPTION_NO_STRIP_DISCARDED: link_info.strip_discarded = FALSE; break; + case OPTION_DISABLE_MULTIPLE_DEFS_ABS: + link_info.prohibit_multiple_definition_absolute = TRUE; + break; case OPTION_SHARED: if (config.has_shared) { - link_info.shared = TRUE; + if (bfd_link_relocatable (&link_info)) + einfo (_("%F%P: -r and %s may not be used together\n"), + "-shared"); + + link_info.type = type_dll; /* When creating a shared library, the default behaviour is to ignore any unresolved references. */ if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET) @@ -1135,29 +1202,35 @@ parse_args (unsigned argc, char **argv) link_info.unresolved_syms_in_shared_libs = RM_IGNORE; } else - einfo (_("%P%F: -shared not supported\n")); + einfo (_("%F%P: -shared not supported\n")); break; case OPTION_PIE: if (config.has_shared) { - link_info.shared = TRUE; - link_info.pie = TRUE; + if (bfd_link_relocatable (&link_info)) + einfo (_("%F%P: -r and %s may not be used together\n"), "-pie"); + + link_info.type = type_pie; } else - einfo (_("%P%F: -pie not supported\n")); + einfo (_("%F%P: -pie not supported\n")); break; case 'h': /* Used on Solaris. */ case OPTION_SONAME: - command_line.soname = optarg; + if (optarg[0] == '\0' && command_line.soname + && command_line.soname[0]) + einfo (_("%P: SONAME must not be empty string; keeping previous one\n")); + else + command_line.soname = optarg; break; case OPTION_SORT_COMMON: if (optarg == NULL || strcmp (optarg, N_("descending")) == 0) - config.sort_common = sort_descending; - else if (strcmp (optarg, N_("ascending")) == 0) + config.sort_common = sort_descending; + else if (strcmp (optarg, N_("ascending")) == 0) config.sort_common = sort_ascending; else - einfo (_("%P%F: invalid common section sorting option: %s\n"), + einfo (_("%F%P: invalid common section sorting option: %s\n"), optarg); break; case OPTION_SORT_SECTION: @@ -1166,24 +1239,24 @@ parse_args (unsigned argc, char **argv) else if (strcmp (optarg, N_("alignment")) == 0) sort_section = by_alignment; else - einfo (_("%P%F: invalid section sorting option: %s\n"), + einfo (_("%F%P: invalid section sorting option: %s\n"), optarg); break; case OPTION_STATS: config.stats = TRUE; break; case OPTION_SYMBOLIC: - command_line.symbolic = symbolic; + opt_symbolic = symbolic; break; case OPTION_SYMBOLIC_FUNCTIONS: - command_line.symbolic = symbolic_functions; + opt_symbolic = symbolic_functions; break; case 't': - trace_files = TRUE; + ++trace_files; break; case 'T': previous_script_handle = saved_script_handle; - ldfile_open_command_file (optarg); + ldfile_open_script_file (optarg); parser_input = input_script; yyparse (); previous_script_handle = NULL; @@ -1200,20 +1273,20 @@ parse_args (unsigned argc, char **argv) /* Check for =... */ optarg2 = strchr (optarg, '='); if (optarg2 == NULL) - einfo (_("%P%F: invalid argument to option" + einfo (_("%F%P: invalid argument to option" " \"--section-start\"\n")); optarg2++; /* So far so good. Are all the args present? */ if ((*optarg == '\0') || (*optarg2 == '\0')) - einfo (_("%P%F: missing argument(s) to option" + einfo (_("%F%P: missing argument(s) to option" " \"--section-start\"\n")); /* We must copy the section name as set_section_start doesn't do it for us. */ len = optarg2 - optarg; - sec_name = xmalloc (len); + sec_name = (char *) xmalloc (len); memcpy (sec_name, optarg, len - 1); sec_name[len - 1] = 0; @@ -1237,21 +1310,34 @@ parse_args (unsigned argc, char **argv) case OPTION_TTEXT_SEGMENT: set_segment_start (".text-segment", optarg); break; + case OPTION_TRODATA_SEGMENT: + set_segment_start (".rodata-segment", optarg); + break; + case OPTION_TLDATA_SEGMENT: + set_segment_start (".ldata-segment", optarg); + break; case OPTION_TRADITIONAL_FORMAT: link_info.traditional_format = TRUE; break; case OPTION_TASK_LINK: link_info.task_link = TRUE; - /* Fall through - do an implied -r option. */ + /* Fall through. */ case OPTION_UR: - link_info.relocatable = TRUE; + if (bfd_link_pic (&link_info)) + einfo (_("%F%P: -r and %s may not be used together\n"), + bfd_link_dll (&link_info) ? "-shared" : "-pie"); + + link_info.type = type_relocatable; config.build_constructors = TRUE; config.magic_demand_paged = FALSE; config.text_read_only = FALSE; - config.dynamic_link = FALSE; + input_flags.dynamic = FALSE; break; case 'u': - ldlang_add_undef (optarg); + ldlang_add_undef (optarg, TRUE); + break; + case OPTION_REQUIRE_DEFINED_SYMBOL: + ldlang_add_require_defined (optarg); break; case OPTION_UNIQUE: if (optarg != NULL) @@ -1262,8 +1348,18 @@ parse_args (unsigned argc, char **argv) case OPTION_VERBOSE: ldversion (1); version_printed = TRUE; - trace_file_tries = TRUE; + verbose = TRUE; overflow_cutoff_limit = -2; + if (optarg != NULL) + { + char *end; + int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0); + if (*end) + einfo (_("%F%P: invalid number `%s'\n"), optarg); +#ifdef ENABLE_PLUGINS + report_plugin_symbols = level > 1; +#endif /* ENABLE_PLUGINS */ + } break; case 'v': ldversion (0); @@ -1298,23 +1394,23 @@ parse_args (unsigned argc, char **argv) command_line.version_exports_section = optarg; break; case OPTION_DYNAMIC_LIST_DATA: - command_line.dynamic_list = dynamic_list_data; - if (command_line.symbolic == symbolic) - command_line.symbolic = symbolic_unset; + opt_dynamic_list = dynamic_list_data; + if (opt_symbolic == symbolic) + opt_symbolic = symbolic_unset; break; case OPTION_DYNAMIC_LIST_CPP_TYPEINFO: lang_append_dynamic_list_cpp_typeinfo (); - if (command_line.dynamic_list != dynamic_list_data) - command_line.dynamic_list = dynamic_list; - if (command_line.symbolic == symbolic) - command_line.symbolic = symbolic_unset; + if (opt_dynamic_list != dynamic_list_data) + opt_dynamic_list = dynamic_list; + if (opt_symbolic == symbolic) + opt_symbolic = symbolic_unset; break; case OPTION_DYNAMIC_LIST_CPP_NEW: lang_append_dynamic_list_cpp_new (); - if (command_line.dynamic_list != dynamic_list_data) - command_line.dynamic_list = dynamic_list; - if (command_line.symbolic == symbolic) - command_line.symbolic = symbolic_unset; + if (opt_dynamic_list != dynamic_list_data) + opt_dynamic_list = dynamic_list; + if (opt_symbolic == symbolic) + opt_symbolic = symbolic_unset; break; case OPTION_DYNAMIC_LIST: /* This option indicates a small script that only specifies @@ -1329,10 +1425,10 @@ parse_args (unsigned argc, char **argv) parser_input = input_dynamic_list; yyparse (); } - if (command_line.dynamic_list != dynamic_list_data) - command_line.dynamic_list = dynamic_list; - if (command_line.symbolic == symbolic) - command_line.symbolic = symbolic_unset; + if (opt_dynamic_list != dynamic_list_data) + opt_dynamic_list = dynamic_list; + if (opt_symbolic == symbolic) + opt_symbolic = symbolic_unset; break; case OPTION_WARN_COMMON: config.warn_common = TRUE; @@ -1358,24 +1454,30 @@ parse_args (unsigned argc, char **argv) case OPTION_WARN_SHARED_TEXTREL: link_info.warn_shared_textrel = TRUE; break; + case OPTION_WARN_ALTERNATE_EM: + link_info.warn_alternate_em = TRUE; + break; case OPTION_WHOLE_ARCHIVE: - whole_archive = TRUE; + input_flags.whole_archive = TRUE; break; - case OPTION_ADD_NEEDED: - add_needed = TRUE; + case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC: + input_flags.add_DT_NEEDED_for_dynamic = TRUE; break; - case OPTION_NO_ADD_NEEDED: - add_needed = FALSE; + case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC: + input_flags.add_DT_NEEDED_for_dynamic = FALSE; break; - case OPTION_AS_NEEDED: - as_needed = TRUE; + case OPTION_ADD_DT_NEEDED_FOR_REGULAR: + input_flags.add_DT_NEEDED_for_regular = TRUE; break; - case OPTION_NO_AS_NEEDED: - as_needed = FALSE; + case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR: + input_flags.add_DT_NEEDED_for_regular = FALSE; break; case OPTION_WRAP: add_wrap (optarg); break; + case OPTION_IGNORE_UNRESOLVED_SYMBOL: + add_ignoresym (&link_info, optarg); + break; case OPTION_DISCARD_NONE: link_info.discard = discard_none; break; @@ -1423,18 +1525,15 @@ parse_args (unsigned argc, char **argv) command_line.accept_unknown_input_arch = FALSE; break; case '(': - if (ingroup) - einfo (_("%P%F: may not nest groups (--help for usage)\n")); - lang_enter_group (); - ingroup = 1; + ingroup++; break; case ')': if (! ingroup) - einfo (_("%P%F: group ended before it began (--help for usage)\n")); + einfo (_("%F%P: group ended before it began (--help for usage)\n")); lang_leave_group (); - ingroup = 0; + ingroup--; break; case OPTION_INIT: @@ -1451,22 +1550,75 @@ parse_args (unsigned argc, char **argv) config.hash_table_size = 1021; break; - case OPTION_HASH_SIZE: + case OPTION_HASH_SIZE: { bfd_size_type new_size; - new_size = strtoul (optarg, NULL, 0); - if (new_size) - config.hash_table_size = new_size; - else - einfo (_("%P%X: --hash-size needs a numeric argument\n")); - } - break; + new_size = strtoul (optarg, NULL, 0); + if (new_size) + config.hash_table_size = new_size; + else + einfo (_("%X%P: --hash-size needs a numeric argument\n")); + } + break; + + case OPTION_PUSH_STATE: + input_flags.pushed = xmemdup (&input_flags, + sizeof (input_flags), + sizeof (input_flags)); + break; + + case OPTION_POP_STATE: + if (input_flags.pushed == NULL) + einfo (_("%F%P: no state pushed before popping\n")); + else + { + struct lang_input_statement_flags *oldp = input_flags.pushed; + memcpy (&input_flags, oldp, sizeof (input_flags)); + free (oldp); + } + break; + + case OPTION_PRINT_MEMORY_USAGE: + command_line.print_memory_usage = TRUE; + break; + + case OPTION_ORPHAN_HANDLING: + if (strcasecmp (optarg, "place") == 0) + config.orphan_handling = orphan_handling_place; + else if (strcasecmp (optarg, "warn") == 0) + config.orphan_handling = orphan_handling_warn; + else if (strcasecmp (optarg, "error") == 0) + config.orphan_handling = orphan_handling_error; + else if (strcasecmp (optarg, "discard") == 0) + config.orphan_handling = orphan_handling_discard; + else + einfo (_("%F%P: invalid argument to option" + " \"--orphan-handling\"\n")); + break; + + case OPTION_NO_PRINT_MAP_DISCARDED: + config.print_map_discarded = FALSE; + break; + + case OPTION_PRINT_MAP_DISCARDED: + config.print_map_discarded = TRUE; + break; } } - if (ingroup) - lang_leave_group (); + if (command_line.soname && command_line.soname[0] == '\0') + { + einfo (_("%P: SONAME must not be empty string; ignored\n")); + command_line.soname = NULL; + } + + while (ingroup) + { + einfo (_("%P: missing --end-group; added as last command line option\n")); + lang_leave_group (); + ingroup--; + } if (default_dirlist != NULL) { @@ -1481,6 +1633,66 @@ parse_args (unsigned argc, char **argv) if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET) /* FIXME: Should we allow emulations a chance to set this ? */ link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols; + + if (bfd_link_relocatable (&link_info) + && command_line.check_section_addresses < 0) + command_line.check_section_addresses = 0; + + /* -Bsymbolic and -Bsymbols-functions are for shared library output. */ + if (bfd_link_dll (&link_info)) + switch (opt_symbolic) + { + case symbolic_unset: + break; + case symbolic: + link_info.symbolic = TRUE; + if (link_info.dynamic_list) + { + struct bfd_elf_version_expr *ent, *next; + for (ent = link_info.dynamic_list->head.list; ent; ent = next) + { + next = ent->next; + free (ent); + } + free (link_info.dynamic_list); + link_info.dynamic_list = NULL; + } + opt_dynamic_list = dynamic_list_unset; + break; + case symbolic_functions: + opt_dynamic_list = dynamic_list_data; + break; + } + + switch (opt_dynamic_list) + { + case dynamic_list_unset: + break; + case dynamic_list_data: + link_info.dynamic_data = TRUE; + /* Fall through. */ + case dynamic_list: + link_info.dynamic = TRUE; + break; + } + + if (!bfd_link_dll (&link_info)) + { + if (command_line.filter_shlib) + einfo (_("%F%P: -F may not be used without -shared\n")); + if (command_line.auxiliary_filters) + einfo (_("%F%P: -f may not be used without -shared\n")); + } + + /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I + don't see how else this can be handled, since in this case we + must preserve all externally visible symbols. */ + if (bfd_link_relocatable (&link_info) && link_info.strip == strip_all) + { + link_info.strip = strip_debugger; + if (link_info.discard == discard_sec_merge) + link_info.discard = discard_all; + } } /* Add the (colon-separated) elements of DIRLIST_PTR to the @@ -1510,7 +1722,7 @@ set_section_start (char *sect, char *valstr) const char *end; bfd_vma val = bfd_scan_vma (valstr, &end, 16); if (*end) - einfo (_("%P%F: invalid hex number `%s'\n"), valstr); + einfo (_("%F%P: invalid hex number `%s'\n"), valstr); lang_section_start (sect, exp_intop (val), NULL); } @@ -1523,7 +1735,7 @@ set_segment_start (const char *section, char *valstr) bfd_vma val = bfd_scan_vma (valstr, &end, 16); if (*end) - einfo (_("%P%F: invalid hex number `%s'\n"), valstr); + einfo (_("%F%P: invalid hex number `%s'\n"), valstr); /* If we already have an entry for this segment, update the existing value. */ name = section + 1; @@ -1531,6 +1743,7 @@ set_segment_start (const char *section, char *valstr) if (strcmp (seg->name, name) == 0) { seg->value = val; + lang_section_start (section, exp_intop (val), seg); return; } /* There was no existing value so we must create a new segment @@ -1549,6 +1762,149 @@ set_segment_start (const char *section, char *valstr) lang_section_start (section, exp_intop (val), seg); } +static void +elf_shlib_list_options (FILE *file) +{ + fprintf (file, _("\ + --audit=AUDITLIB Specify a library to use for auditing\n")); + fprintf (file, _("\ + -Bgroup Selects group name lookup rules for DSO\n")); + fprintf (file, _("\ + --disable-new-dtags Disable new dynamic tags\n")); + fprintf (file, _("\ + --enable-new-dtags Enable new dynamic tags\n")); + fprintf (file, _("\ + --eh-frame-hdr Create .eh_frame_hdr section\n")); + fprintf (file, _("\ + --no-eh-frame-hdr Do not create .eh_frame_hdr section\n")); + fprintf (file, _("\ + --exclude-libs=LIBS Make all symbols in LIBS hidden\n")); + fprintf (file, _("\ + --hash-style=STYLE Set hash style to sysv, gnu or both\n")); + fprintf (file, _("\ + -P AUDITLIB, --depaudit=AUDITLIB\n" "\ + Specify a library to use for auditing dependencies\n")); + fprintf (file, _("\ + -z combreloc Merge dynamic relocs into one section and sort\n")); + fprintf (file, _("\ + -z nocombreloc Don't merge dynamic relocs into one section\n")); + fprintf (file, _("\ + -z global Make symbols in DSO available for subsequently\n\ + loaded objects\n")); + fprintf (file, _("\ + -z initfirst Mark DSO to be initialized first at runtime\n")); + fprintf (file, _("\ + -z interpose Mark object to interpose all DSOs but executable\n")); + fprintf (file, _("\ + -z lazy Mark object lazy runtime binding (default)\n")); + fprintf (file, _("\ + -z loadfltr Mark object requiring immediate process\n")); + fprintf (file, _("\ + -z nocopyreloc Don't create copy relocs\n")); + fprintf (file, _("\ + -z nodefaultlib Mark object not to use default search paths\n")); + fprintf (file, _("\ + -z nodelete Mark DSO non-deletable at runtime\n")); + fprintf (file, _("\ + -z nodlopen Mark DSO not available to dlopen\n")); + fprintf (file, _("\ + -z nodump Mark DSO not available to dldump\n")); + fprintf (file, _("\ + -z now Mark object non-lazy runtime binding\n")); + fprintf (file, _("\ + -z origin Mark object requiring immediate $ORIGIN\n\ + processing at runtime\n")); +#if DEFAULT_LD_Z_RELRO + fprintf (file, _("\ + -z relro Create RELRO program header (default)\n")); + fprintf (file, _("\ + -z norelro Don't create RELRO program header\n")); +#else + fprintf (file, _("\ + -z relro Create RELRO program header\n")); + fprintf (file, _("\ + -z norelro Don't create RELRO program header (default)\n")); +#endif +#if DEFAULT_LD_Z_SEPARATE_CODE + fprintf (file, _("\ + -z separate-code Create separate code program header (default)\n")); + fprintf (file, _("\ + -z noseparate-code Don't create separate code program header\n")); +#else + fprintf (file, _("\ + -z separate-code Create separate code program header\n")); + fprintf (file, _("\ + -z noseparate-code Don't create separate code program header (default)\n")); +#endif + fprintf (file, _("\ + -z common Generate common symbols with STT_COMMON type\n")); + fprintf (file, _("\ + -z nocommon Generate common symbols with STT_OBJECT type\n")); + fprintf (file, _("\ + -z stack-size=SIZE Set size of stack segment\n")); + fprintf (file, _("\ + -z text Treat DT_TEXTREL in shared object as error\n")); + fprintf (file, _("\ + -z notext Don't treat DT_TEXTREL in shared object as error\n")); + fprintf (file, _("\ + -z textoff Don't treat DT_TEXTREL in shared object as error\n")); +} + +static void +elf_static_list_options (FILE *file) +{ + fprintf (file, _("\ + --build-id[=STYLE] Generate build ID note\n")); + fprintf (file, _("\ + --compress-debug-sections=[none|zlib|zlib-gnu|zlib-gabi]\n\ + Compress DWARF debug sections using zlib\n")); +#ifdef DEFAULT_FLAG_COMPRESS_DEBUG + fprintf (file, _("\ + Default: zlib-gabi\n")); +#else + fprintf (file, _("\ + Default: none\n")); +#endif + fprintf (file, _("\ + -z common-page-size=SIZE Set common page size to SIZE\n")); + fprintf (file, _("\ + -z max-page-size=SIZE Set maximum page size to SIZE\n")); + fprintf (file, _("\ + -z defs Report unresolved symbols in object files\n")); + fprintf (file, _("\ + -z muldefs Allow multiple definitions\n")); + fprintf (file, _("\ + -z execstack Mark executable as requiring executable stack\n")); + fprintf (file, _("\ + -z noexecstack Mark executable as not requiring executable stack\n")); + fprintf (file, _("\ + -z globalaudit Mark executable requiring global auditing\n")); +} + +static void +elf_plt_unwind_list_options (FILE *file) +{ + fprintf (file, _("\ + --ld-generated-unwind-info Generate exception handling info for PLT\n")); + fprintf (file, _("\ + --no-ld-generated-unwind-info\n\ + Don't generate exception handling info for PLT\n")); +} + +static void +ld_list_options (FILE *file, bfd_boolean elf, bfd_boolean shlib, + bfd_boolean plt_unwind) +{ + if (!elf) + return; + printf (_("ELF emulations:\n")); + if (plt_unwind) + elf_plt_unwind_list_options (file); + elf_static_list_options (file); + if (shlib) + elf_shlib_list_options (file); +} + /* Print help messages for the options. */ @@ -1661,6 +2017,8 @@ help (void) /* xgettext:c-format */ printf (_("%s: emulation specific options:\n"), program_name); + ld_list_options (stdout, ELF_LIST_OPTIONS, ELF_SHLIB_LIST_OPTIONS, + ELF_PLT_UNWIND_LIST_OPTIONS); ldemul_list_emulation_options (stdout); printf ("\n");