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* lexsup.c (ld_options): New static array.
(parse_args): Build shortopts and longopts from ld_options array. (help): New static function. * ldver.h (help): Don't declare. * ldver.c (ldversion): Reindent. (help): Remove.
This commit is contained in:
Ian Lance Taylor
parent
28ad0357c6
commit
1ffec9e606
@ -6,6 +6,13 @@ Tue Apr 9 14:22:15 1996 Michael Meissner <meissner@tiktok.cygnus.com>
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Tue Apr 9 12:18:57 1996 Ian Lance Taylor <ian@cygnus.com>
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* lexsup.c (ld_options): New static array.
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(parse_args): Build shortopts and longopts from ld_options array.
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(help): New static function.
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* ldver.h (help): Don't declare.
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* ldver.c (ldversion): Reindent.
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(help): Remove.
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* ld.texinfo, ld.1: Mention -E as a synonym for -export-dynamic.
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Mon Apr 8 11:56:23 1996 Ian Lance Taylor <ian@cygnus.com>
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414
ld/lexsup.c
414
ld/lexsup.c
@ -46,28 +46,13 @@ unsigned long strtoul ();
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static void set_default_dirlist PARAMS ((char *dirlist_ptr));
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static void set_section_start PARAMS ((char *sect, char *valstr));
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static void help PARAMS ((void));
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/* Non-zero if we are processing a --defsym from the command line. */
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int parsing_defsym = 0;
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void
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parse_args (argc, argv)
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int argc;
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char **argv;
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{
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int i;
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int ingroup = 0;
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char *default_dirlist = NULL;
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/* Starting the short option string with '-' is for programs that
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expect options and other ARGV-elements in any order and that care about
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the ordering of the two. We describe each non-option ARGV-element
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as if it were the argument of an option with character code 1. */
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const char *shortopts =
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"-a:A:b:c:de:EF::G:gh:iL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:z:()";
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/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
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/* Codes used for the long options with no short synonyms. 150 isn't
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special; it's just an arbitrary non-ASCII char value. */
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#define OPTION_ASSERT 150
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#define OPTION_CALL_SHARED (OPTION_ASSERT + 1)
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@ -110,66 +95,249 @@ parse_args (argc, argv)
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#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
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#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
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static struct option longopts[] = {
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/* Sorted alphabeticaly, except for the PE options grouped at the end. */
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{"assert", required_argument, NULL, OPTION_ASSERT},
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{"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
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{"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
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{"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
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{"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
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{"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
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{"dc", no_argument, NULL, 'd'},
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{"defsym", required_argument, NULL, OPTION_DEFSYM},
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{"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
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{"dn", no_argument, NULL, OPTION_NON_SHARED},
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{"dp", no_argument, NULL, 'd'},
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{"dy", no_argument, NULL, OPTION_CALL_SHARED},
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{"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
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{"EB", no_argument, NULL, OPTION_EB},
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{"EL", no_argument, NULL, OPTION_EL},
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{"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
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{"end-group", no_argument, NULL, ')'},
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{"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
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{"format", required_argument, NULL, 'b'},
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{"help", no_argument, NULL, OPTION_HELP},
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{"Map", required_argument, NULL, OPTION_MAP},
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{"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
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{"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
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{"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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{"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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{"non_shared", no_argument, NULL, OPTION_NON_SHARED},
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{"oformat", required_argument, NULL, OPTION_OFORMAT},
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{"Qy", no_argument, NULL, OPTION_IGNORE},
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{"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
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{"relax", no_argument, NULL, OPTION_RELAX},
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{"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
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{"rpath", required_argument, NULL, OPTION_RPATH},
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{"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
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{"shared", no_argument, NULL, OPTION_SHARED},
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{"soname", required_argument, NULL, OPTION_SONAME},
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{"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
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{"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
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{"start-group", no_argument, NULL, '('},
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{"stats", no_argument, NULL, OPTION_STATS},
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{"static", no_argument, NULL, OPTION_NON_SHARED},
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{"Tbss", required_argument, NULL, OPTION_TBSS},
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{"Tdata", required_argument, NULL, OPTION_TDATA},
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{"Ttext", required_argument, NULL, OPTION_TTEXT},
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{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
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{"Ur", no_argument, NULL, OPTION_UR},
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{"verbose", no_argument, NULL, OPTION_VERBOSE},
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{"version", no_argument, NULL, OPTION_VERSION},
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{"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
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{"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
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{"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
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{"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
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{"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
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{"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
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{"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
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{"wrap", required_argument, NULL, OPTION_WRAP},
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/* The long options. This structure is used for both the option
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parsing and the help text. */
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{NULL, no_argument, NULL, 0}
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};
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struct ld_option
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{
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/* The long option information. */
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struct option opt;
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/* The short option with the same meaning ('\0' if none). */
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char shortopt;
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/* The name of the argument (NULL if none). */
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const char *arg;
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/* The documentation string. If this is NULL, this is a synonym for
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the previous option. */
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const char *doc;
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enum
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{
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/* Use one dash before long option name. */
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ONE_DASH,
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/* Use two dashes before long option name. */
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TWO_DASHES,
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/* Don't mention this option in --help output. */
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NO_HELP
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} control;
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};
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static const struct ld_option ld_options[] =
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{
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{ {NULL, required_argument, NULL, '\0'},
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'a', "KEYWORD", "Shared library control for HP/UX compatibility",
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ONE_DASH },
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{ {"architecture", required_argument, NULL, 'A'},
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'A', "ARCH", "Set architecture" , TWO_DASHES },
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{ {"format", required_argument, NULL, 'b'},
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'b', "TARGET", "Specify target for following input files", TWO_DASHES },
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{ {"mri-script", required_argument, NULL, 'c'},
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'c', "FILE", "Read MRI format linker script", TWO_DASHES },
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{ {"dc", no_argument, NULL, 'd'},
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'd', NULL, "Force common symbols to be defined", ONE_DASH },
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{ {"dp", no_argument, NULL, 'd'},
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'\0', NULL, NULL, ONE_DASH },
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{ {"entry", required_argument, NULL, 'e'},
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'e', "ADDRESS", "Set start address", TWO_DASHES },
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{ {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
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'E', NULL, "Export all dynamic symbols", TWO_DASHES },
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{ {NULL, no_argument, NULL, '\0'},
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'F', NULL, "Ignored", ONE_DASH },
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{ {"gpsize", required_argument, NULL, 'G'},
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'G', "SIZE", "Small data size (if no size, same as --shared)",
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TWO_DASHES },
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{ {NULL, no_argument, NULL, '\0'},
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'g', NULL, "Ignored", ONE_DASH },
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{ {"soname", required_argument, NULL, OPTION_SONAME},
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'h', "FILENAME", "Set internal name of shared library", ONE_DASH },
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{ {"library", required_argument, NULL, 'l'},
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'l', "LIBNAME", "Search for library LIBNAME", TWO_DASHES },
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{ {"library-path", required_argument, NULL, 'L'},
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'L', "DIRECTORY", "Add DIRECTORY to library search path", TWO_DASHES },
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{ {NULL, required_argument, NULL, '\0'},
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'm', "EMULATION", "Set emulation", ONE_DASH },
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{ {"print-map", no_argument, NULL, 'M'},
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'M', NULL, "Print map file on standard output", TWO_DASHES },
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{ {"nmagic", no_argument, NULL, 'n'},
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'n', NULL, "Do not page align data", TWO_DASHES },
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{ {"omagic", no_argument, NULL, 'N'},
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'N', NULL, "Do not page align data, do not make text readonly",
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TWO_DASHES },
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{ {"output", required_argument, NULL, 'o'},
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'o', "FILE", "Set output file name", TWO_DASHES },
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{ {NULL, required_argument, NULL, '\0'},
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'O', NULL, "Ignored", ONE_DASH },
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{ {"relocateable", no_argument, NULL, 'r'},
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'r', NULL, "Generate relocateable output", TWO_DASHES },
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{ {NULL, no_argument, NULL, '\0'},
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'i', NULL, NULL, ONE_DASH },
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{ {"just-symbols", required_argument, NULL, 'R'},
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'R', "FILE", "Just link symbols (if directory, same as --rpath)",
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TWO_DASHES },
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{ {"strip-all", no_argument, NULL, 's'},
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's', NULL, "Strip all symbols", TWO_DASHES },
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{ {"strip-debug", no_argument, NULL, 'S'},
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'S', NULL, "Strip debugging symbols", TWO_DASHES },
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{ {"trace", no_argument, NULL, 't'},
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't', NULL, "Trace file opens", TWO_DASHES },
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{ {"script", required_argument, NULL, 'T'},
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'T', "FILE", "Read linker script", TWO_DASHES },
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{ {"undefined", required_argument, NULL, 'u'},
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'u', "SYMBOL", "Start with undefined reference to SYMBOL", TWO_DASHES },
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{ {"version", no_argument, NULL, OPTION_VERSION},
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'v', NULL, "Print version information", TWO_DASHES },
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{ {NULL, no_argument, NULL, '\0'},
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'V', NULL, "Print version and emulation information", ONE_DASH },
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{ {"discard-all", no_argument, NULL, 'x'},
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'x', NULL, "Discard all local symbols", TWO_DASHES },
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{ {"discard-locals", no_argument, NULL, 'X'},
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'X', NULL, "Discard temporary local symbols", TWO_DASHES },
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{ {"trace-symbol", required_argument, NULL, 'y'},
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'y', "SYMBOL", "Trace mentions of SYMBOL", TWO_DASHES },
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{ {NULL, required_argument, NULL, '\0'},
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'Y', "PATH", "Default search path for Solaris compatibility", ONE_DASH },
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{ {NULL, required_argument, NULL, '\0'},
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'z', "KEYWORD", "Ignored for Solaris compatibility", ONE_DASH },
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{ {"start-group", no_argument, NULL, '('},
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'(', NULL, "Start a group", TWO_DASHES },
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{ {"end-group", no_argument, NULL, ')'},
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')', NULL, "End a group", TWO_DASHES },
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{ {"assert", required_argument, NULL, OPTION_ASSERT},
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'\0', "KEYWORD", "Ignored for SunOS compatibility", ONE_DASH },
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{ {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
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'\0', NULL, "Link against shared libraries", ONE_DASH },
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{ {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
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'\0', NULL, NULL, ONE_DASH },
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{ {"dy", no_argument, NULL, OPTION_CALL_SHARED},
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'\0', NULL, NULL, ONE_DASH },
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{ {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
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'\0', NULL, "Do not link against shared libraries", ONE_DASH },
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{ {"dn", no_argument, NULL, OPTION_NON_SHARED},
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'\0', NULL, NULL, ONE_DASH },
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{ {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
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'\0', NULL, NULL, ONE_DASH },
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{ {"static", no_argument, NULL, OPTION_NON_SHARED},
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'\0', NULL, NULL, ONE_DASH },
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{ {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
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'\0', NULL, "Bind global references locally", ONE_DASH },
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{ {"defsym", required_argument, NULL, OPTION_DEFSYM},
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'\0', "SYMBOL=EXPRESSION", "Define a symbol", TWO_DASHES },
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{ {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
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'\0', "PROGRAM", "Set the dynamic linker to use", TWO_DASHES },
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{ {"EB", no_argument, NULL, OPTION_EB},
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'\0', NULL, "Link big-endian objects", ONE_DASH },
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{ {"EL", no_argument, NULL, OPTION_EL},
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'\0', NULL, "Link little-endian objects", ONE_DASH },
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{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
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'\0', NULL, "Generate embedded relocs", TWO_DASHES},
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{ {"help", no_argument, NULL, OPTION_HELP},
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'\0', NULL, "Print option help", TWO_DASHES },
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{ {"Map", required_argument, NULL, OPTION_MAP},
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'\0', "FILE", "Write a map file", ONE_DASH },
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{ {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
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'\0', NULL, "Use less memory and more disk I/O", TWO_DASHES },
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{ {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
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'\0', NULL, "Turn off --whole-archive", TWO_DASHES },
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{ {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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'\0', NULL, "Create an output file even if errors occur", TWO_DASHES },
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{ {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
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'\0', NULL, NULL, NO_HELP },
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{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
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'\0', "TARGET", "Specify target of output file", TWO_DASHES },
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{ {"qmagic", no_argument, NULL, OPTION_IGNORE},
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'\0', NULL, "Ignored for Linux compatibility", ONE_DASH },
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{ {"Qy", no_argument, NULL, OPTION_IGNORE},
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'\0', NULL, "Ignored for SVR4 compatibility", ONE_DASH },
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{ {"relax", no_argument, NULL, OPTION_RELAX},
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'\0', NULL, "Relax branches on certain targets", TWO_DASHES },
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{ {"retain-symbols-file", required_argument, NULL,
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OPTION_RETAIN_SYMBOLS_FILE},
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'\0', "FILE", "Keep only symbols listed in FILE", TWO_DASHES },
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{ {"rpath", required_argument, NULL, OPTION_RPATH},
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'\0', "PATH", "Set runtime shared library search path", ONE_DASH },
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{ {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
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'\0', "PATH", "Set line time shared library search path", ONE_DASH },
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{ {"shared", no_argument, NULL, OPTION_SHARED},
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'\0', NULL, "Create a shared library", ONE_DASH },
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{ {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
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'\0', NULL, NULL, ONE_DASH },
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{ {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
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'\0', NULL, "Sort common symbols by size", TWO_DASHES },
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{ {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
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'\0', NULL, NULL, NO_HELP },
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{ {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
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'\0', NULL, "Split output sections for each file", TWO_DASHES },
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{ {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
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'\0', "COUNT", "Split output sections every COUNT relocs", TWO_DASHES },
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{ {"stats", no_argument, NULL, OPTION_STATS},
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'\0', NULL, "Print memory usage statistics", TWO_DASHES },
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{ {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
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'\0', NULL, "Use same format as native linker", TWO_DASHES },
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{ {"Tbss", required_argument, NULL, OPTION_TBSS},
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'\0', "ADDRESS", "Set address of .bss section", ONE_DASH },
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{ {"Tdata", required_argument, NULL, OPTION_TDATA},
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'\0', "ADDRESS", "Set address of .data section", ONE_DASH },
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{ {"Ttext", required_argument, NULL, OPTION_TTEXT},
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'\0', "ADDRESS", "Set address of .text section", ONE_DASH },
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{ {"Ur", no_argument, NULL, OPTION_UR},
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'\0', NULL, "Build global constructor/destructor tables", ONE_DASH },
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{ {"verbose", no_argument, NULL, OPTION_VERBOSE},
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'\0', NULL, "Output lots of information during link", TWO_DASHES },
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{ {"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
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'\0', NULL, NULL, NO_HELP },
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{ {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
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'\0', NULL, "Warn about duplicate common symbols", TWO_DASHES },
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{ {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
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'\0', NULL, "Warn if global constructors/destructors are seen",
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TWO_DASHES },
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{ {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
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'\0', NULL, "Warn if the multiple GP values are used", TWO_DASHES },
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{ {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
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'\0', NULL, "Warn only once per undefined symbol", TWO_DASHES },
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{ {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
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'\0', NULL, "Include all objects from following archives", TWO_DASHES },
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{ {"wrap", required_argument, NULL, OPTION_WRAP},
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'\0', "SYMBOL", "Use wrapper functions for SYMBOL", TWO_DASHES }
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};
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#define OPTION_COUNT (sizeof ld_options / sizeof ld_options[0])
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void
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parse_args (argc, argv)
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int argc;
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char **argv;
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{
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int i, is, il;
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int ingroup = 0;
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char *default_dirlist = NULL;
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char shortopts[OPTION_COUNT * 2 + 2];
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struct option longopts[OPTION_COUNT + 1];
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/* Starting the short option string with '-' is for programs that
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||||
expect options and other ARGV-elements in any order and that care about
|
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the ordering of the two. We describe each non-option ARGV-element
|
||||
as if it were the argument of an option with character code 1. */
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shortopts[0] = '-';
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is = 1;
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il = 0;
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for (i = 0; i < OPTION_COUNT; i++)
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{
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if (ld_options[i].shortopt != '\0')
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||||
{
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shortopts[is] = ld_options[i].shortopt;
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++is;
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if (ld_options[i].opt.has_arg == required_argument)
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{
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shortopts[is] = ':';
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||||
++is;
|
||||
}
|
||||
}
|
||||
if (ld_options[i].opt.name != NULL)
|
||||
{
|
||||
longopts[il] = ld_options[i].opt;
|
||||
++il;
|
||||
}
|
||||
}
|
||||
shortopts[is] = '\0';
|
||||
longopts[il].name = NULL;
|
||||
|
||||
/* The -G option is ambiguous on different platforms. Sometimes it
|
||||
specifies the largest data size to put into the small data
|
||||
@ -596,3 +764,95 @@ set_section_start (sect, valstr)
|
||||
lang_section_start (sect, exp_intop (val));
|
||||
}
|
||||
|
||||
/* Print help messages for the options. */
|
||||
|
||||
static void
|
||||
help ()
|
||||
{
|
||||
int i;
|
||||
const char **targets, **pp;
|
||||
|
||||
printf ("Usage: %s [options] file...\n", program_name);
|
||||
|
||||
printf ("Options:\n");
|
||||
for (i = 0; i < OPTION_COUNT; i++)
|
||||
{
|
||||
if (ld_options[i].doc != NULL)
|
||||
{
|
||||
boolean comma;
|
||||
int len;
|
||||
int j;
|
||||
|
||||
printf (" ");
|
||||
|
||||
comma = false;
|
||||
len = 2;
|
||||
|
||||
j = i;
|
||||
do
|
||||
{
|
||||
if (ld_options[j].shortopt != '\0'
|
||||
&& ld_options[j].control != NO_HELP)
|
||||
{
|
||||
printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
|
||||
len += (comma ? 2 : 0) + 2;
|
||||
if (ld_options[j].arg != NULL)
|
||||
{
|
||||
printf (" %s", ld_options[j].arg);
|
||||
len += 1 + strlen (ld_options[j].arg);
|
||||
}
|
||||
comma = true;
|
||||
}
|
||||
++j;
|
||||
}
|
||||
while (j < OPTION_COUNT && ld_options[j].doc == NULL);
|
||||
|
||||
j = i;
|
||||
do
|
||||
{
|
||||
if (ld_options[j].opt.name != NULL
|
||||
&& ld_options[j].control != NO_HELP)
|
||||
{
|
||||
printf ("%s-%s%s",
|
||||
comma ? ", " : "",
|
||||
ld_options[j].control == TWO_DASHES ? "-" : "",
|
||||
ld_options[j].opt.name);
|
||||
len += ((comma ? 2 : 0)
|
||||
+ 1
|
||||
+ (ld_options[j].control == TWO_DASHES ? 1 : 0)
|
||||
+ strlen (ld_options[j].opt.name));
|
||||
if (ld_options[j].arg != NULL)
|
||||
{
|
||||
printf (" %s", ld_options[j].arg);
|
||||
len += 1 + strlen (ld_options[j].arg);
|
||||
}
|
||||
comma = true;
|
||||
}
|
||||
++j;
|
||||
}
|
||||
while (j < OPTION_COUNT && ld_options[j].doc == NULL);
|
||||
|
||||
if (len >= 30)
|
||||
{
|
||||
printf ("\n");
|
||||
len = 0;
|
||||
}
|
||||
|
||||
for (; len < 30; len++)
|
||||
putchar (' ');
|
||||
|
||||
printf ("%s\n", ld_options[i].doc);
|
||||
}
|
||||
}
|
||||
|
||||
printf ("%s: supported targets:", program_name);
|
||||
targets = bfd_target_list ();
|
||||
for (pp = targets; *pp != NULL; pp++)
|
||||
printf (" %s", *pp);
|
||||
free (targets);
|
||||
printf ("\n");
|
||||
|
||||
printf ("%s: supported emulations: ", program_name);
|
||||
ldemul_list_emulations (stdout);
|
||||
printf ("\n");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user