diff options
Diffstat (limited to 'ld/lexsup.c')
| -rw-r--r-- | ld/lexsup.c | 1167 |
1 files changed, 0 insertions, 1167 deletions
diff --git a/ld/lexsup.c b/ld/lexsup.c deleted file mode 100644 index 06a65e13bd0..00000000000 --- a/ld/lexsup.c +++ /dev/null @@ -1,1167 +0,0 @@ -/* Parse options for the GNU linker. - Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999 - Free Software Foundation, Inc. - -This file is part of GLD, the Gnu Linker. - -GLD is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GLD is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GLD; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ - -#include "bfd.h" -#include "sysdep.h" -#include "libiberty.h" -#include <stdio.h> -#include <string.h> -#include <ctype.h> -#include "getopt.h" -#include "bfdlink.h" -#include "ld.h" -#include "ldmain.h" -#include "ldmisc.h" -#include "ldexp.h" -#include "ldlang.h" -#include "ldgram.h" -#include "ldlex.h" -#include "ldfile.h" -#include "ldver.h" -#include "ldemul.h" - -#ifndef PATH_SEPARATOR -#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__)) -#define PATH_SEPARATOR ';' -#else -#define PATH_SEPARATOR ':' -#endif -#endif - -/* Somewhere above, sys/stat.h got included . . . . */ -#if !defined(S_ISDIR) && defined(S_IFDIR) -#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) -#endif - -/* Omit args to avoid the possibility of clashing with a system header - that might disagree about consts. */ -unsigned long strtoul (); - -static int is_num PARAMS ((const char *, int, int, int)); -static void set_default_dirlist PARAMS ((char *dirlist_ptr)); -static void set_section_start PARAMS ((char *sect, char *valstr)); -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 (string, min, max, err) - const 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; -} - -void -parse_args (argc, argv) - int argc; - char **argv; -{ - int i, is, il; - int ingroup = 0; - char *default_dirlist = NULL; - char shortopts[OPTION_COUNT * 3 + 2]; - struct option longopts[OPTION_COUNT + 1]; - int last_optind; - - /* Starting the short option string with '-' is for programs that - expect options and other ARGV-elements in any order and that care about - 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. */ - shortopts[0] = '-'; - is = 1; - il = 0; - for (i = 0; i < OPTION_COUNT; i++) - { - if (ld_options[i].shortopt != '\0') - { - shortopts[is] = ld_options[i].shortopt; - ++is; - if (ld_options[i].opt.has_arg == required_argument - || ld_options[i].opt.has_arg == optional_argument) - { - shortopts[is] = ':'; - ++is; - if (ld_options[i].opt.has_arg == optional_argument) - { - shortopts[is] = ':'; - ++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 - section. Sometimes it is equivalent to --shared. Unfortunately, - the first form takes an argument, while the second does not. - - We need to permit the --shared form because on some platforms, - such as Solaris, gcc -shared will pass -G to the linker. - - To permit either usage, we look through the argument list. If we - find -G not followed by a number, we change it into --shared. - This will work for most normal cases. */ - for (i = 1; i < argc; i++) - if (strcmp (argv[i], "-G") == 0 - && (i + 1 >= argc - || ! isdigit ((unsigned char) argv[i + 1][0]))) - argv[i] = (char *) "--shared"; - - /* Because we permit long options to start with a single dash, and - we have a --library option, and the -l option is conventionally - used with an immediately following argument, we can have bad - results if somebody tries to use -l with a library whose name - happens to start with "ibrary", as in -li. We avoid problems by - simply turning -l into --library. This means that users will - have to use two dashes in order to use --library, which is OK - since that's how it is documented. - - FIXME: It's possible that this problem can arise for other short - options as well, although the user does always have the recourse - of adding a space between the option and the argument. */ - for (i = 1; i < argc; i++) - { - if (argv[i][0] == '-' - && argv[i][1] == 'l' - && argv[i][2] != '\0') - { - char *n; - - n = (char *) xmalloc (strlen (argv[i]) + 20); - sprintf (n, "--library=%s", argv[i] + 2); - argv[i] = n; - } - } - - last_optind = -1; - while (1) - { - int longind; - int optc; - - /* Using last_optind lets us avoid calling ldemul_parse_args - multiple times on a single option, which would lead to - confusion in the internal static variables maintained by - getopt. This could otherwise happen for an argument like - -nx, in which the -n is parsed as a single option, and we - loop around to pick up the -x. */ - if (optind != last_optind) - { - if (ldemul_parse_args (argc, argv)) - continue; - last_optind = optind; - } - - /* getopt_long_only is like getopt_long, but '-' as well as '--' - can indicate a long option. */ - optc = getopt_long_only (argc, argv, shortopts, longopts, &longind); - - if (optc == -1) - break; - switch (optc) - { - default: - fprintf (stderr, - _("%s: use the --help option for usage information\n"), - program_name); - xexit (1); - case 1: /* File name. */ - lang_add_input_file (optarg, lang_input_file_is_file_enum, - (char *) NULL); - break; - - case OPTION_IGNORE: - break; - case 'a': - /* For HP/UX compatibility. Actually -a shared should mean - ``use only shared libraries'' but, then, we don't - currently support shared libraries on HP/UX anyhow. */ - if (strcmp (optarg, "archive") == 0) - config.dynamic_link = false; - else if (strcmp (optarg, "shared") == 0 - || strcmp (optarg, "default") == 0) - config.dynamic_link = true; - else - einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg); - break; - case OPTION_ASSERT: - /* FIXME: We just ignore these, but we should handle them. */ - if (strcmp (optarg, "definitions") == 0) - ; - else if (strcmp (optarg, "nodefinitions") == 0) - ; - else if (strcmp (optarg, "nosymbolic") == 0) - ; - else if (strcmp (optarg, "pure-text") == 0) - ; - else - einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg); - break; - case 'A': - ldfile_add_arch (optarg); - break; - case 'b': - lang_add_target (optarg); - break; - case 'c': - ldfile_open_command_file (optarg); - parser_input = input_mri_script; - yyparse (); - break; - case OPTION_CALL_SHARED: - config.dynamic_link = true; - break; - case OPTION_NON_SHARED: - config.dynamic_link = false; - break; - case OPTION_CREF: - command_line.cref = true; - link_info.notice_all = true; - break; - case 'd': - command_line.force_common_definition = true; - break; - case OPTION_DEFSYM: - lex_string = optarg; - lex_redirect (optarg); - parser_input = input_defsym; - parsing_defsym = 1; - yyparse (); - parsing_defsym = 0; - lex_string = NULL; - break; - case OPTION_DEMANGLE: - demangling = true; - break; - case OPTION_DYNAMIC_LINKER: - command_line.interpreter = optarg; - break; - case OPTION_EB: - command_line.endian = ENDIAN_BIG; - break; - case OPTION_EL: - command_line.endian = ENDIAN_LITTLE; - break; - case OPTION_EMBEDDED_RELOCS: - command_line.embedded_relocs = true; - break; - case OPTION_EXPORT_DYNAMIC: - case 'E': /* HP/UX compatibility. */ - command_line.export_dynamic = true; - break; - case 'e': - lang_add_entry (optarg, true); - break; - case 'f': - if (command_line.auxiliary_filters == NULL) - { - command_line.auxiliary_filters = - (char **) xmalloc (2 * sizeof (char *)); - command_line.auxiliary_filters[0] = optarg; - command_line.auxiliary_filters[1] = NULL; - } - else - { - int c; - char **p; - - c = 0; - for (p = command_line.auxiliary_filters; *p != NULL; p++) - ++c; - command_line.auxiliary_filters = - (char **) xrealloc (command_line.auxiliary_filters, - (c + 2) * sizeof (char *)); - command_line.auxiliary_filters[c] = optarg; - command_line.auxiliary_filters[c + 1] = NULL; - } - break; - case 'F': - command_line.filter_shlib = optarg; - break; - case OPTION_FORCE_EXE_SUFFIX: - command_line.force_exe_suffix = true; - break; - case 'G': - { - char *end; - g_switch_value = strtoul (optarg, &end, 0); - if (*end) - einfo (_("%P%F: invalid number `%s'\n"), optarg); - } - break; - case 'g': - /* Ignore. */ - break; - case OPTION_GC_SECTIONS: - command_line.gc_sections = true; - break; - case OPTION_HELP: - help (); - xexit (0); - break; - case 'L': - ldfile_add_library_path (optarg, true); - break; - case 'l': - lang_add_input_file (optarg, lang_input_file_is_l_enum, - (char *) NULL); - break; - case 'M': - config.map_filename = "-"; - break; - case 'm': - /* Ignore. Was handled in a pre-parse. */ - break; - case OPTION_MAP: - config.map_filename = optarg; - break; - case 'N': - config.text_read_only = false; - config.magic_demand_paged = false; - config.dynamic_link = false; - break; - case 'n': - config.magic_demand_paged = false; - config.dynamic_link = false; - break; - case OPTION_NO_DEMANGLE: - demangling = false; - break; - case OPTION_NO_GC_SECTIONS: - command_line.gc_sections = false; - break; - case OPTION_NO_KEEP_MEMORY: - link_info.keep_memory = false; - break; - case OPTION_NO_UNDEFINED: - link_info.no_undefined = true; - break; - case OPTION_NO_WARN_MISMATCH: - command_line.warn_mismatch = false; - break; - case OPTION_NOINHIBIT_EXEC: - force_make_executable = true; - break; - case OPTION_NO_WHOLE_ARCHIVE: - whole_archive = false; - break; - case 'O': - /* FIXME "-O<non-digits> <value>" used to set the address of - section <non-digits>. Was this for compatibility with - something, or can we create a new option to do that - (with a syntax similar to -defsym)? - getopt can't handle two args to an option without kludges. */ - - /* Enable optimizations of output files. */ - link_info.optimize = strtoul (optarg, NULL, 0) ? true : false; - break; - case 'o': - lang_add_output (optarg, 0); - break; - case OPTION_OFORMAT: - lang_add_output_format (optarg, (char *) NULL, (char *) NULL, 0); - break; - case 'i': - case 'r': - link_info.relocateable = true; - config.build_constructors = false; - config.magic_demand_paged = false; - config.text_read_only = false; - config.dynamic_link = false; - break; - case 'R': - /* The GNU linker traditionally uses -R to mean to include - only the symbols from a file. The Solaris linker uses -R - to set the path used by the runtime linker to find - libraries. This is the GNU linker -rpath argument. We - try to support both simultaneously by checking the file - named. If it is a directory, rather than a regular file, - we assume -rpath was meant. */ - { - struct stat s; - - if (stat (optarg, &s) >= 0 - && ! S_ISDIR (s.st_mode)) - { - lang_add_input_file (optarg, - lang_input_file_is_symbols_only_enum, - (char *) NULL); - break; - } - } - /* Fall through. */ - case OPTION_RPATH: - if (command_line.rpath == NULL) - command_line.rpath = buystring (optarg); - else - { - size_t rpath_len = strlen (command_line.rpath); - size_t optarg_len = strlen (optarg); - char *buf; - char *cp = command_line.rpath; - - /* First see whether OPTARG is already in the path. */ - do - { - size_t idx = 0; - while (optarg[idx] != '\0' && optarg[idx] == cp[idx]) - ++idx; - if (optarg[idx] == '\0' - && (cp[idx] == '\0' || cp[idx] == ':')) - /* We found it. */ - break; - - /* Not yet found. */ - cp = strchr (cp, ':'); - if (cp != NULL) - ++cp; - } - while (cp != NULL); - - if (cp == NULL) - { - buf = xmalloc (rpath_len + optarg_len + 2); - sprintf (buf, "%s:%s", command_line.rpath, optarg); - free (command_line.rpath); - command_line.rpath = buf; - } - } - break; - case OPTION_RPATH_LINK: - if (command_line.rpath_link == NULL) - command_line.rpath_link = buystring (optarg); - else - { - char *buf; - - buf = xmalloc (strlen (command_line.rpath_link) - + strlen (optarg) - + 2); - sprintf (buf, "%s:%s", command_line.rpath_link, optarg); - free (command_line.rpath_link); - command_line.rpath_link = buf; - } - break; - case OPTION_RELAX: - command_line.relax = true; - break; - case OPTION_RETAIN_SYMBOLS_FILE: - add_keepsyms_file (optarg); - break; - case 'S': - link_info.strip = strip_debugger; - break; - case 's': - link_info.strip = strip_all; - break; - case OPTION_SHARED: - if (config.has_shared) - link_info.shared = true; - else - einfo (_("%P%F: -shared not supported\n")); - break; - case 'h': /* Used on Solaris. */ - case OPTION_SONAME: - command_line.soname = optarg; - break; - case OPTION_SORT_COMMON: - config.sort_common = true; - break; - case OPTION_STATS: - config.stats = true; - break; - case OPTION_SYMBOLIC: - link_info.symbolic = true; - break; - case 't': - trace_files = true; - break; - case 'T': - ldfile_open_command_file (optarg); - parser_input = input_script; - yyparse (); - break; - case OPTION_TBSS: - set_section_start (".bss", optarg); - break; - case OPTION_TDATA: - set_section_start (".data", optarg); - break; - case OPTION_TTEXT: - set_section_start (".text", 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. */ - case OPTION_UR: - link_info.relocateable = true; - config.build_constructors = true; - config.magic_demand_paged = false; - config.text_read_only = false; - config.dynamic_link = false; - break; - case 'u': - ldlang_add_undef (optarg); - break; - case OPTION_VERBOSE: - ldversion (1); - version_printed = true; - trace_file_tries = true; - break; - case 'v': - ldversion (0); - version_printed = true; - break; - case 'V': - ldversion (1); - version_printed = true; - break; - case OPTION_VERSION: - /* This output is intended to follow the GNU standards document. */ - printf ("GNU ld %s\n", ld_program_version); - printf (_("Copyright 1997 Free Software Foundation, Inc.\n")); - printf (_("\ -This program is free software; you may redistribute it under the terms of\n\ -the GNU General Public License. This program has absolutely no warranty.\n")); - { - ld_emulation_xfer_type **ptr = ld_emulations; - - printf (_(" Supported emulations:\n")); - while (*ptr) - { - printf (" %s\n", (*ptr)->emulation_name); - ptr++; - } - } - xexit (0); - break; - case OPTION_VERSION_SCRIPT: - /* This option indicates a small script that only specifies - version information. Read it, but don't assume that - we've seen a linker script. */ - { - boolean hold_had_script; - - hold_had_script = had_script; - ldfile_open_command_file (optarg); - had_script = hold_had_script; - parser_input = input_version_script; - yyparse (); - } - break; - case OPTION_VERSION_EXPORTS_SECTION: - /* This option records a version symbol to be applied to the - symbols listed for export to be found in the object files - .exports sections. */ - command_line.version_exports_section = optarg; - break; - case OPTION_WARN_COMMON: - config.warn_common = true; - break; - case OPTION_WARN_CONSTRUCTORS: - config.warn_constructors = true; - break; - case OPTION_WARN_MULTIPLE_GP: - config.warn_multiple_gp = true; - break; - case OPTION_WARN_ONCE: - config.warn_once = true; - break; - case OPTION_WARN_SECTION_ALIGN: - config.warn_section_align = true; - break; - case OPTION_WHOLE_ARCHIVE: - whole_archive = true; - break; - case OPTION_WRAP: - add_wrap (optarg); - break; - case 'X': - link_info.discard = discard_l; - break; - case 'x': - link_info.discard = discard_all; - break; - case 'Y': - if (strncmp (optarg, "P,", 2) == 0) - optarg += 2; - default_dirlist = xstrdup (optarg); - break; - case 'y': - add_ysym (optarg); - break; - case 'z': - /* We accept and ignore this option for Solaris - compatibility. Actually, on Solaris, optarg is not - ignored. Someday we should handle it correctly. FIXME. */ - break; - case OPTION_SPLIT_BY_RELOC: - config.split_by_reloc = strtoul (optarg, NULL, 0); - break; - case OPTION_SPLIT_BY_FILE: - config.split_by_file = true; - break; - case OPTION_CHECK_SECTIONS: - command_line.check_section_addresses = true; - break; - case OPTION_NO_CHECK_SECTIONS: - command_line.check_section_addresses = false; - break; - case '(': - if (ingroup) - { - fprintf (stderr, - _("%s: may not nest groups (--help for usage)\n"), - program_name); - xexit (1); - } - lang_enter_group (); - ingroup = 1; - break; - case ')': - if (! ingroup) - { - fprintf (stderr, - _("%s: group ended before it began (--help for usage)\n"), - program_name); - xexit (1); - } - lang_leave_group (); - ingroup = 0; - break; - case OPTION_MPC860C0: - link_info.mpc860c0 = 20; /* default value (in bytes) */ - if (optarg) - { - unsigned words; - - words = is_num (optarg, 1, 10, 0); - if (words == 0) - { - fprintf (stderr, - _("%s: Invalid argument to option \"mpc860c0\"\n"), - program_name); - xexit (1); - } - link_info.mpc860c0 = words * 4; /* convert words to bytes */ - } - command_line.relax = true; - break; - - case OPTION_INIT: - link_info.init_function = optarg; - break; - - case OPTION_FINI: - link_info.fini_function = optarg; - break; - } - } - - if (ingroup) - lang_leave_group (); - - if (default_dirlist != NULL) - set_default_dirlist (default_dirlist); - -} - -/* Add the (colon-separated) elements of DIRLIST_PTR to the - library search path. */ - -static void -set_default_dirlist (dirlist_ptr) - char *dirlist_ptr; -{ - char *p; - - while (1) - { - p = strchr (dirlist_ptr, PATH_SEPARATOR); - if (p != NULL) - *p = '\0'; - if (*dirlist_ptr != '\0') - ldfile_add_library_path (dirlist_ptr, true); - if (p == NULL) - break; - dirlist_ptr = p + 1; - } -} - -static void -set_section_start (sect, valstr) - char *sect, *valstr; -{ - char *end; - unsigned long val = strtoul (valstr, &end, 16); - if (*end) - einfo (_("%P%F: invalid hex number `%s'\n"), 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) - { - if (ld_options[j].opt.has_arg != optional_argument) - { - printf (" "); - ++len; - } - printf ("%s", _(ld_options[j].arg)); - len += 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)); - } - } - - /* Note: Various tools (such as libtool) depend upon the - format of the listings below - do not change them. */ - /* xgettext:c-format */ - printf (_("%s: supported targets:"), program_name); - targets = bfd_target_list (); - for (pp = targets; *pp != NULL; pp++) - printf (" %s", *pp); - free (targets); - printf ("\n"); - - /* xgettext:c-format */ - printf (_("%s: supported emulations: "), program_name); - ldemul_list_emulations (stdout); - printf ("\n"); - - /* xgettext:c-format */ - printf (_("%s: emulation specific options:\n"), program_name); - ldemul_list_emulation_options (stdout); - printf ("\n"); - - printf (_("\nReport bugs to bug-gnu-utils@gnu.org\n")); -} |