X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Flexsup.c;h=d84b334b346e7d2e49d4482422e1173ecc9ab219;hb=1ee1a363454d88a87ad2ade7530b2a7fb670021e;hp=be8a8974b5d2a190201a7409a71a5668901489ca;hpb=d82184d78220ce42e0f54ce9fbb0688860ff0388;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/lexsup.c b/ld/lexsup.c index be8a8974b5..d84b334b34 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, 2008, 2009, 2011, 2012 - Free Software Foundation, Inc. + Copyright (C) 1991-2020 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" @@ -67,9 +66,9 @@ static void help (void); enum control_enum { /* Use one dash before long option name. */ - ONE_DASH, + ONE_DASH = 1, /* Use two dashes before long option name. */ - TWO_DASHES, + 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 @@ -114,12 +113,19 @@ 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 }, + { {"enable-non-contiguous-regions", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS}, + '\0', NULL, N_("Enable support of non-contiguous memory regions"), TWO_DASHES }, + { {"enable-non-contiguous-regions-warnings", no_argument, NULL, OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS}, + '\0', NULL, N_("Enable warnings when --enable-non-contiguous-regions may cause unexpected behaviour"), TWO_DASHES }, { {"EB", no_argument, NULL, OPTION_EB}, '\0', NULL, N_("Link big-endian objects"), ONE_DASH }, { {"EL", no_argument, NULL, OPTION_EL}, @@ -140,6 +146,9 @@ 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'}, @@ -163,6 +172,8 @@ 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 }, @@ -174,7 +185,21 @@ static const struct ld_option ld_options[] = { {"flto-partition=", required_argument, NULL, OPTION_IGNORE}, '\0', NULL, N_("Ignored for GCC LTO option compatibility"), ONE_DASH }, +#else + { {"plugin", required_argument, NULL, OPTION_IGNORE}, + '\0', N_("PLUGIN"), N_("Load named plugin (ignored)"), ONE_DASH }, + { {"plugin-opt", required_argument, NULL, OPTION_IGNORE}, + '\0', N_("ARG"), N_("Send arg to last-loaded plugin (ignored)"), 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'}, @@ -205,6 +230,9 @@ 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 }, @@ -296,6 +324,11 @@ 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}, @@ -320,6 +353,9 @@ 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 }, @@ -328,7 +364,7 @@ static const struct ld_option ld_options[] = { {"init", required_argument, NULL, OPTION_INIT}, '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH }, { {"Map", required_argument, NULL, OPTION_MAP}, - '\0', N_("FILE"), N_("Write a map file"), ONE_DASH }, + '\0', N_("FILE/DIR"), N_("Write a linker map to FILE or DIR/.map"), ONE_DASH }, { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON}, '\0', NULL, N_("Do not define Common storage"), TWO_DASHES }, { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE }, @@ -378,6 +414,8 @@ static const struct ld_option ld_options[] = 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, @@ -405,13 +443,13 @@ 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"), @@ -441,6 +479,10 @@ 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" @@ -467,6 +509,10 @@ static const struct ld_option ld_options[] = '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES }, { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST}, '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES }, + { {"export-dynamic-symbol", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL}, + '\0', N_("SYMBOL"), N_("Export the specified symbol"), EXACTLY_TWO_DASHES }, + { {"export-dynamic-symbol-list", required_argument, NULL, OPTION_EXPORT_DYNAMIC_SYMBOL_LIST}, + '\0', N_("FILE"), N_("Read export dynamic symbol list"), EXACTLY_TWO_DASHES }, { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON}, '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES }, { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS}, @@ -479,9 +525,16 @@ static const struct ld_option ld_options[] = { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN}, '\0', NULL, N_("Warn if start of section changes due to alignment"), TWO_DASHES }, - { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL}, - '\0', NULL, N_("Warn if shared object has DT_TEXTREL"), + { {"warn-textrel", no_argument, NULL, OPTION_WARN_TEXTREL}, + '\0', NULL, +#if DEFAULT_LD_TEXTREL_CHECK_WARNING + N_("Warn if outpout has DT_TEXTREL (default)"), +#else + N_("Warn if outpout has DT_TEXTREL"), +#endif TWO_DASHES }, + { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_TEXTREL}, + '\0', NULL, NULL, NO_HELP }, { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM}, '\0', NULL, N_("Warn if an object has alternate ELF machine code"), TWO_DASHES }, @@ -500,6 +553,23 @@ static const struct ld_option ld_options[] = 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) @@ -515,7 +585,19 @@ parse_args (unsigned argc, char **argv) struct option *longopts; struct option *really_longopts; int last_optind; - enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR; + 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; + struct bfd_elf_dynamic_list *export_list = NULL; shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2); longopts = (struct option *) @@ -649,11 +731,33 @@ 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); @@ -671,7 +775,7 @@ parse_args (unsigned argc, char **argv) || strcmp (optarg, "default") == 0) 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. */ @@ -684,7 +788,7 @@ 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); @@ -710,6 +814,9 @@ 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, "--defsym", ++defsym_count); @@ -734,6 +841,10 @@ 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. */ @@ -754,6 +865,12 @@ parse_args (unsigned argc, char **argv) case OPTION_NO_EXPORT_DYNAMIC: link_info.export_dynamic = FALSE; break; + case OPTION_NON_CONTIGUOUS_REGIONS: + link_info.non_contiguous_regions = TRUE; + break; + case OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS: + link_info.non_contiguous_regions_warnings = TRUE; + break; case 'e': lang_add_entry (optarg, TRUE); break; @@ -761,7 +878,7 @@ parse_args (unsigned argc, char **argv) if (command_line.auxiliary_filters == NULL) { command_line.auxiliary_filters = (char **) - xmalloc (2 * sizeof (char *)); + xmalloc (2 * sizeof (char *)); command_line.auxiliary_filters[0] = optarg; command_line.auxiliary_filters[1] = NULL; } @@ -774,8 +891,8 @@ parse_args (unsigned argc, char **argv) for (p = command_line.auxiliary_filters; *p != NULL; p++) ++c; command_line.auxiliary_filters = (char **) - xrealloc (command_line.auxiliary_filters, - (c + 2) * sizeof (char *)); + xrealloc (command_line.auxiliary_filters, + (c + 2) * sizeof (char *)); command_line.auxiliary_filters[c] = optarg; command_line.auxiliary_filters[c + 1] = NULL; } @@ -791,7 +908,7 @@ 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': @@ -803,6 +920,9 @@ 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); @@ -834,11 +954,12 @@ parse_args (unsigned argc, char **argv) Use --call-shared or -Bdynamic for this. */ break; case 'n': + config.text_read_only = TRUE; config.magic_demand_paged = 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; @@ -853,15 +974,13 @@ parse_args (unsigned argc, char **argv) link_info.keep_memory = FALSE; break; case OPTION_NO_UNDEFINED: - link_info.unresolved_syms_in_objects - = how_to_report_unresolved_symbols; + link_info.unresolved_syms_in_objects = RM_DIAGNOSE; break; case OPTION_ALLOW_SHLIB_UNDEFINED: link_info.unresolved_syms_in_shared_libs = RM_IGNORE; break; case OPTION_NO_ALLOW_SHLIB_UNDEFINED: - link_info.unresolved_syms_in_shared_libs - = how_to_report_unresolved_symbols; + link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE; break; case OPTION_UNRESOLVED_SYMBOLS: if (strcmp (optarg, "ignore-all") == 0) @@ -871,40 +990,27 @@ parse_args (unsigned argc, char **argv) } else if (strcmp (optarg, "report-all") == 0) { - link_info.unresolved_syms_in_objects - = how_to_report_unresolved_symbols; - link_info.unresolved_syms_in_shared_libs - = how_to_report_unresolved_symbols; + link_info.unresolved_syms_in_objects = RM_DIAGNOSE; + link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE; } else if (strcmp (optarg, "ignore-in-object-files") == 0) { link_info.unresolved_syms_in_objects = RM_IGNORE; - link_info.unresolved_syms_in_shared_libs - = how_to_report_unresolved_symbols; + link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE; } - 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_objects = RM_DIAGNOSE; 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; - if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR) - link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING; - if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR) - link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING; + link_info.warn_unresolved_syms = TRUE; break; - case OPTION_ERROR_UNRESOLVED_SYMBOLS: - how_to_report_unresolved_symbols = RM_GENERATE_ERROR; - if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING) - link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR; - if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING) - link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR; + link_info.warn_unresolved_syms = FALSE; break; case OPTION_ALLOW_MULTIPLE_DEFINITION: link_info.allow_multiple_definition = TRUE; @@ -949,6 +1055,14 @@ 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; @@ -958,7 +1072,7 @@ parse_args (unsigned argc, char **argv) break; case OPTION_PLUGIN_OPT: if (plugin_opt_plugin_arg (optarg)) - einfo(_("%P%F: bad -plugin-opt option\n")); + einfo (_("%F%P: bad -plugin-opt option\n")); break; #endif /* ENABLE_PLUGINS */ case 'q': @@ -975,9 +1089,13 @@ 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]); + + 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.relocatable = TRUE; + link_info.type = type_relocatable; config.build_constructors = FALSE; config.magic_demand_paged = FALSE; config.text_read_only = FALSE; @@ -1048,8 +1166,8 @@ parse_args (unsigned argc, char **argv) char *buf; buf = (char *) xmalloc (strlen (command_line.rpath_link) - + strlen (optarg) - + 2); + + strlen (optarg) + + 2); sprintf (buf, "%s%c%s", command_line.rpath_link, config.rpath_separator, optarg); free (command_line.rpath_link); @@ -1077,10 +1195,17 @@ 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) @@ -1089,29 +1214,35 @@ 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: @@ -1120,24 +1251,24 @@ 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; @@ -1154,14 +1285,14 @@ 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 @@ -1191,14 +1322,24 @@ 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; @@ -1207,6 +1348,9 @@ parse_args (unsigned argc, char **argv) case 'u': ldlang_add_undef (optarg, TRUE); break; + case OPTION_REQUIRE_DEFINED_SYMBOL: + ldlang_add_require_defined (optarg); + break; case OPTION_UNIQUE: if (optarg != NULL) lang_add_unique (optarg); @@ -1223,7 +1367,7 @@ parse_args (unsigned argc, char **argv) char *end; int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0); if (*end) - einfo (_("%P%F: invalid number `%s'\n"), optarg); + einfo (_("%F%P: invalid number `%s'\n"), optarg); #ifdef ENABLE_PLUGINS report_plugin_symbols = level > 1; #endif /* ENABLE_PLUGINS */ @@ -1262,23 +1406,17 @@ 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; 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; 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; break; case OPTION_DYNAMIC_LIST: /* This option indicates a small script that only specifies @@ -1291,12 +1429,34 @@ parse_args (unsigned argc, char **argv) ldfile_open_command_file (optarg); saved_script_handle = hold_script_handle; parser_input = input_dynamic_list; + current_dynamic_list_p = &link_info.dynamic_list; + yyparse (); + } + if (opt_dynamic_list != dynamic_list_data) + opt_dynamic_list = dynamic_list; + break; + case OPTION_EXPORT_DYNAMIC_SYMBOL: + { + struct bfd_elf_version_expr *expr + = lang_new_vers_pattern (NULL, xstrdup (optarg), NULL, + FALSE); + lang_append_dynamic_list (&export_list, expr); + } + break; + case OPTION_EXPORT_DYNAMIC_SYMBOL_LIST: + /* This option indicates a small script that only specifies + an export list. Read it, but don't assume that we've + seen a linker script. */ + { + FILE *hold_script_handle; + + hold_script_handle = saved_script_handle; + ldfile_open_command_file (optarg); + saved_script_handle = hold_script_handle; + parser_input = input_dynamic_list; + current_dynamic_list_p = &export_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; break; case OPTION_WARN_COMMON: config.warn_common = TRUE; @@ -1319,8 +1479,8 @@ parse_args (unsigned argc, char **argv) case OPTION_WARN_SECTION_ALIGN: config.warn_section_align = TRUE; break; - case OPTION_WARN_SHARED_TEXTREL: - link_info.warn_shared_textrel = TRUE; + case OPTION_WARN_TEXTREL: + link_info.textrel_check = textrel_check_warning; break; case OPTION_WARN_ALTERNATE_EM: link_info.warn_alternate_em = TRUE; @@ -1358,8 +1518,7 @@ parse_args (unsigned argc, char **argv) case 'Y': if (CONST_STRNEQ (optarg, "P,")) optarg += 2; - if (default_dirlist != NULL) - free (default_dirlist); + free (default_dirlist); default_dirlist = xstrdup (optarg); break; case 'y': @@ -1398,7 +1557,7 @@ parse_args (unsigned argc, char **argv) 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--; @@ -1418,22 +1577,107 @@ 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; } } + /* Run a couple of checks on the map filename. */ + if (config.map_filename) + { + if (config.map_filename[0] == 0) + { + einfo (_("%P: no file/directory name provided for map output; ignored\n")); + config.map_filename = NULL; + } + else + { + struct stat s; + + /* If the map filename is actually a directory then create + a file inside it, based upon the output filename. */ + if (stat (config.map_filename, &s) >= 0 + && S_ISDIR (s.st_mode)) + { + char * new_name; + + /* FIXME: This is a (trivial) memory leak. */ + if (asprintf (&new_name, "%s/%s.map", + config.map_filename, output_filename) < 0) + { + /* If this alloc fails then something is probably very + wrong. Better to halt now rather than continue on + into more problems. */ + einfo (_("%P%F: cannot create name for linker map file: %E\n")); + new_name = NULL; + } + + config.map_filename = new_name; + } + } + } + + 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--; } @@ -1446,72 +1690,110 @@ parse_args (unsigned argc, char **argv) if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET) /* FIXME: Should we allow emulations a chance to set this ? */ - link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols; + link_info.unresolved_syms_in_objects = RM_DIAGNOSE; 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; + link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE; - if (link_info.relocatable) - { - if (command_line.check_section_addresses < 0) - command_line.check_section_addresses = 0; - if (link_info.shared) - einfo (_("%P%F: -r and -shared may not be used together\n")); - } + if (bfd_link_relocatable (&link_info) + && command_line.check_section_addresses < 0) + command_line.check_section_addresses = 0; - /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data, - --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and - --dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are - for shared libraries. -Bsymbolic overrides all others and vice - versa. */ - switch (command_line.symbolic) + if (export_list) { - case symbolic_unset: - break; - case symbolic: - /* -Bsymbolic is for shared library only. */ - if (link_info.shared) + struct bfd_elf_version_expr *head = export_list->head.list; + struct bfd_elf_version_expr *next; + + /* For --export-dynamic-symbol[-list]: + 1. When building executable, treat like --dynamic-list. + 2. When building shared object: + a. If -Bsymbolic or --dynamic-list are used, treat like + --dynamic-list. + b. Otherwise, ignored. + */ + if (!bfd_link_relocatable (&link_info) + && (bfd_link_executable (&link_info) + || opt_symbolic != symbolic_unset + || opt_dynamic_list != dynamic_list_unset)) { - link_info.symbolic = TRUE; - /* Should we free the unused memory? */ - link_info.dynamic_list = NULL; - command_line.dynamic_list = dynamic_list_unset; + /* Append the export list to link_info.dynamic_list. */ + if (link_info.dynamic_list) + { + for (next = head; next->next != NULL; next = next->next) + ; + next->next = link_info.dynamic_list->head.list; + link_info.dynamic_list->head.list = head; + } + else + link_info.dynamic_list = export_list; + + if (opt_dynamic_list != dynamic_list_data) + opt_dynamic_list = dynamic_list; + } + else + { + /* Free the export list. */ + for (; head->next != NULL; head = next) + { + next = head->next; + free (head); + } + free (export_list); } - break; - case symbolic_functions: - /* -Bsymbolic-functions is for shared library only. */ - if (link_info.shared) - command_line.dynamic_list = dynamic_list_data; - break; } - switch (command_line.dynamic_list) + 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; + opt_symbolic = symbolic_unset; break; } - if (! link_info.shared) + /* -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; + } + break; + case symbolic_functions: + link_info.dynamic = TRUE; + link_info.dynamic_data = TRUE; + break; + } + + if (!bfd_link_dll (&link_info)) { if (command_line.filter_shlib) - einfo (_("%P%F: -F may not be used without -shared\n")); + einfo (_("%F%P: -F may not be used without -shared\n")); if (command_line.auxiliary_filters) - einfo (_("%P%F: -f may not be used without -shared\n")); + einfo (_("%F%P: -f may not be used without -shared\n")); } - if (! link_info.shared || link_info.pie) - link_info.executable = TRUE; - /* 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 (link_info.relocatable && link_info.strip == strip_all) + if (bfd_link_relocatable (&link_info) && link_info.strip == strip_all) { link_info.strip = strip_debugger; if (link_info.discard == discard_sec_merge) @@ -1546,7 +1828,7 @@ 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); } @@ -1559,7 +1841,7 @@ 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; @@ -1567,11 +1849,12 @@ 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 entry. */ - seg = (segment_type *) stat_alloc (sizeof (*seg)); + seg = stat_alloc (sizeof (*seg)); seg->name = name; seg->value = val; seg->used = FALSE; @@ -1585,6 +1868,180 @@ 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/both. Default: ")); + if (DEFAULT_EMIT_SYSV_HASH) + { + /* Note - these strings are not translated as + they are keywords not descriptive text. */ + if (DEFAULT_EMIT_GNU_HASH) + fprintf (file, "both\n"); + else + fprintf (file, "sysv\n"); + } + else + { + if (DEFAULT_EMIT_GNU_HASH) + fprintf (file, "gnu\n"); + else + /* FIXME: Can this happen ? */ + fprintf (file, "none\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")); + if (link_info.textrel_check == textrel_check_error) + fprintf (file, _("\ + -z text Treat DT_TEXTREL in output as error (default)\n")); + else + fprintf (file, _("\ + -z text Treat DT_TEXTREL in output as error\n")); + if (link_info.textrel_check == textrel_check_none) + { + fprintf (file, _("\ + -z notext Don't treat DT_TEXTREL in output as error (default)\n")); + fprintf (file, _("\ + -z textoff Don't treat DT_TEXTREL in output as error (default)\n")); + } + else + { + fprintf (file, _("\ + -z notext Don't treat DT_TEXTREL in output as error\n")); + fprintf (file, _("\ + -z textoff Don't treat DT_TEXTREL in output 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. */ @@ -1697,6 +2154,8 @@ 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");