+static void help PARAMS ((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. */
+
+#define OPTION_ASSERT 150
+#define OPTION_CALL_SHARED (OPTION_ASSERT + 1)
+#define OPTION_CREF (OPTION_CALL_SHARED + 1)
+#define OPTION_DEFSYM (OPTION_CREF + 1)
+#define OPTION_DEMANGLE (OPTION_DEFSYM + 1)
+#define OPTION_DYNAMIC_LINKER (OPTION_DEMANGLE + 1)
+#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
+#define OPTION_EL (OPTION_EB + 1)
+#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
+#define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1)
+#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
+#define OPTION_IGNORE (OPTION_HELP + 1)
+#define OPTION_MAP (OPTION_IGNORE + 1)
+#define OPTION_NO_DEMANGLE (OPTION_MAP + 1)
+#define OPTION_NO_KEEP_MEMORY (OPTION_NO_DEMANGLE + 1)
+#define OPTION_NO_WARN_MISMATCH (OPTION_NO_KEEP_MEMORY + 1)
+#define OPTION_NOINHIBIT_EXEC (OPTION_NO_WARN_MISMATCH + 1)
+#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
+#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
+#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
+#define OPTION_RELAX (OPTION_OFORMAT + 1)
+#define OPTION_RETAIN_SYMBOLS_FILE (OPTION_RELAX + 1)
+#define OPTION_RPATH (OPTION_RETAIN_SYMBOLS_FILE + 1)
+#define OPTION_RPATH_LINK (OPTION_RPATH + 1)
+#define OPTION_SHARED (OPTION_RPATH_LINK + 1)
+#define OPTION_SONAME (OPTION_SHARED + 1)
+#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
+#define OPTION_STATS (OPTION_SORT_COMMON + 1)
+#define OPTION_SYMBOLIC (OPTION_STATS + 1)
+#define OPTION_TASK_LINK (OPTION_SYMBOLIC + 1)
+#define OPTION_TBSS (OPTION_TASK_LINK + 1)
+#define OPTION_TDATA (OPTION_TBSS + 1)
+#define OPTION_TTEXT (OPTION_TDATA + 1)
+#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
+#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
+#define OPTION_VERBOSE (OPTION_UR + 1)
+#define OPTION_VERSION (OPTION_VERBOSE + 1)
+#define OPTION_VERSION_SCRIPT (OPTION_VERSION + 1)
+#define OPTION_VERSION_EXPORTS_SECTION (OPTION_VERSION_SCRIPT + 1)
+#define OPTION_WARN_COMMON (OPTION_VERSION_EXPORTS_SECTION + 1)
+#define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1)
+#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_CONSTRUCTORS + 1)
+#define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1)
+#define OPTION_WARN_SECTION_ALIGN (OPTION_WARN_ONCE + 1)
+#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_SECTION_ALIGN + 1)
+#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
+#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
+#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
+#define OPTION_FORCE_EXE_SUFFIX (OPTION_WRAP + 1)
+#define OPTION_GC_SECTIONS (OPTION_FORCE_EXE_SUFFIX + 1)
+#define OPTION_NO_GC_SECTIONS (OPTION_GC_SECTIONS + 1)
+#define OPTION_CHECK_SECTIONS (OPTION_NO_GC_SECTIONS + 1)
+#define OPTION_NO_CHECK_SECTIONS (OPTION_CHECK_SECTIONS + 1)
+#define OPTION_MPC860C0 (OPTION_NO_CHECK_SECTIONS + 1)
+#define OPTION_NO_UNDEFINED (OPTION_MPC860C0 + 1)
+#define OPTION_INIT (OPTION_NO_UNDEFINED + 1)
+#define OPTION_FINI (OPTION_INIT + 1)
+
+/* The long options. This structure is used for both the option
+ parsing and the help text. */
+
+struct ld_option
+{
+ /* The long option information. */
+ struct option opt;
+ /* The short option with the same meaning ('\0' if none). */
+ char shortopt;
+ /* The name of the argument (NULL if none). */
+ const char *arg;
+ /* 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,
+ /* Don't mention this option in --help output. */
+ NO_HELP
+ } control;
+};
+
+static const struct ld_option ld_options[] =
+{
+ { {NULL, required_argument, NULL, '\0'},
+ 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
+ ONE_DASH },
+ { {"architecture", required_argument, NULL, 'A'},
+ 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
+ { {"format", required_argument, NULL, 'b'},
+ 'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES },
+ { {"mri-script", required_argument, NULL, 'c'},
+ 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
+ { {"dc", no_argument, NULL, 'd'},
+ 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
+ { {"dp", no_argument, NULL, 'd'},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"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 },
+ { {"EB", no_argument, NULL, OPTION_EB},
+ '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
+ { {"EL", no_argument, NULL, OPTION_EL},
+ '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
+ { {"auxiliary", required_argument, NULL, 'f'},
+ 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
+ TWO_DASHES },
+ { {"filter", required_argument, NULL, 'F'},
+ 'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'g', NULL, N_("Ignored"), ONE_DASH },
+ { {"gpsize", required_argument, NULL, 'G'},
+ 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
+ TWO_DASHES },
+ { {"soname", required_argument, NULL, OPTION_SONAME},
+ 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
+ { {"library", required_argument, NULL, 'l'},
+ 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
+ { {"library-path", required_argument, NULL, 'L'},
+ 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
+ { {"print-map", no_argument, NULL, 'M'},
+ 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
+ { {"nmagic", no_argument, NULL, 'n'},
+ 'n', NULL, N_("Do not page align data"), TWO_DASHES },
+ { {"omagic", no_argument, NULL, 'N'},
+ 'N', NULL, N_("Do not page align data, do not make text readonly"),
+ TWO_DASHES },
+ { {"output", required_argument, NULL, 'o'},
+ 'o', N_("FILE"), N_("Set output file name"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'O', NULL, N_("Optimize output file"), ONE_DASH },
+ { {"Qy", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
+ { {"relocateable", no_argument, NULL, 'r'},
+ 'r', NULL, N_("Generate relocateable output"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'i', NULL, NULL, ONE_DASH },
+ { {"just-symbols", required_argument, NULL, 'R'},
+ 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
+ TWO_DASHES },
+ { {"strip-all", no_argument, NULL, 's'},
+ 's', NULL, N_("Strip all symbols"), TWO_DASHES },
+ { {"strip-debug", no_argument, NULL, 'S'},
+ 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
+ { {"trace", no_argument, NULL, 't'},
+ 't', NULL, N_("Trace file opens"), TWO_DASHES },
+ { {"script", required_argument, NULL, 'T'},
+ 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
+ { {"undefined", required_argument, NULL, 'u'},
+ 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
+ { {"Ur", no_argument, NULL, OPTION_UR},
+ '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
+ { {"version", no_argument, NULL, OPTION_VERSION},
+ 'v', NULL, N_("Print version information"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
+ { {"discard-all", no_argument, NULL, 'x'},
+ 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
+ { {"discard-locals", no_argument, NULL, 'X'},
+ 'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES },
+ { {"trace-symbol", required_argument, NULL, 'y'},
+ 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
+ { {NULL, required_argument, NULL, '\0'},
+ 'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH },
+ { {"start-group", no_argument, NULL, '('},
+ '(', NULL, N_("Start a group"), TWO_DASHES },
+ { {"end-group", no_argument, NULL, ')'},
+ ')', NULL, N_("End a group"), TWO_DASHES },
+ { {"assert", required_argument, NULL, OPTION_ASSERT},
+ '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
+ { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
+ { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
+ { {"dn", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"static", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
+ '\0', NULL, N_("Bind global references locally"), ONE_DASH },
+ { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
+ '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES },
+ { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
+ '\0', NULL, N_("Do not check section addresses for overlaps"),
+ TWO_DASHES },
+ { {"cref", no_argument, NULL, OPTION_CREF},
+ '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
+ { {"defsym", required_argument, NULL, OPTION_DEFSYM},
+ '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
+ { {"demangle", no_argument, NULL, OPTION_DEMANGLE},
+ '\0', NULL, N_("Demangle symbol names"), TWO_DASHES },
+ { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
+ '\0', N_("PROGRAM"), N_("Set the dynamic linker to use"), TWO_DASHES },
+ { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
+ '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ { {"fini", required_argument, NULL, OPTION_FINI},
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
+ { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
+ '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
+ { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
+ '\0', NULL, N_("Remove unused sections (on some targets)"),
+ TWO_DASHES },
+ { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
+ '\0', NULL, N_("Don't remove unused sections (default)"),
+ TWO_DASHES },
+ { {"help", no_argument, NULL, OPTION_HELP},
+ '\0', NULL, N_("Print option help"), TWO_DASHES },
+ { {"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 },
+ { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
+ '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
+ { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
+ '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
+ { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
+ '\0', NULL, N_("Allow no undefined symbols"), TWO_DASHES },
+ { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
+ '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
+ { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
+ '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
+ { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+ '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES },
+ { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+ '\0', NULL, NULL, NO_HELP },
+ { {"oformat", required_argument, NULL, OPTION_OFORMAT},
+ '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES },
+ { {"qmagic", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
+ { {"relax", no_argument, NULL, OPTION_RELAX},
+ '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
+ { {"retain-symbols-file", required_argument, NULL,
+ OPTION_RETAIN_SYMBOLS_FILE},
+ '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
+ { {"rpath", required_argument, NULL, OPTION_RPATH},
+ '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
+ { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
+ '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH },
+ { {"shared", no_argument, NULL, OPTION_SHARED},
+ '\0', NULL, N_("Create a shared library"), ONE_DASH },
+ { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
+ '\0', NULL, NULL, ONE_DASH },
+ { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
+ '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
+ { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
+ '\0', NULL, NULL, NO_HELP },
+ { {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
+ '\0', NULL, N_("Split output sections for each file"), TWO_DASHES },
+ { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
+ '\0', N_("COUNT"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
+ { {"stats", no_argument, NULL, OPTION_STATS},
+ '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
+ { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
+ '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
+ { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
+ '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
+ { {"Tbss", required_argument, NULL, OPTION_TBSS},
+ '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
+ { {"Tdata", required_argument, NULL, OPTION_TDATA},
+ '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
+ { {"Ttext", required_argument, NULL, OPTION_TTEXT},
+ '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
+ { {"verbose", no_argument, NULL, OPTION_VERBOSE},
+ '\0', NULL, 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 },
+ '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
+ { {"version-exports-section", required_argument, NULL,
+ OPTION_VERSION_EXPORTS_SECTION },
+ '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."),
+ 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},
+ '\0', NULL, N_("Warn if global constructors/destructors are seen"),
+ TWO_DASHES },
+ { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
+ '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
+ { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
+ '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
+ { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
+ '\0', NULL, N_("Warn if start of section changes due to alignment"),
+ TWO_DASHES },
+ { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
+ '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
+ { {"wrap", required_argument, NULL, OPTION_WRAP},
+ '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
+ { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0},
+ '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES }
+};
+
+#define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0]))
+
+/* Test "string" for containing a string of digits that form a number
+between "min" and "max". The return value is the number or "err". */
+static
+int is_num( char *string, int min, int max, int err)
+{
+ int result = 0;
+
+ for ( ; *string; ++string)
+ {
+ if (!isdigit(*string))
+ {
+ result = err;
+ break;
+ }
+ result = result * 10 + (*string - '0');
+ }
+ if (result < min || result > max)
+ result = err;
+
+ return result;
+}