diff options
Diffstat (limited to 'contrib/binutils/ld/lexsup.c')
| -rw-r--r-- | contrib/binutils/ld/lexsup.c | 982 |
1 files changed, 0 insertions, 982 deletions
diff --git a/contrib/binutils/ld/lexsup.c b/contrib/binutils/ld/lexsup.c deleted file mode 100644 index 257c2f8ea2101..0000000000000 --- a/contrib/binutils/ld/lexsup.c +++ /dev/null @@ -1,982 +0,0 @@ -/* Parse options for the GNU linker. - Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 1998 - 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 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_DYNAMIC_LINKER (OPTION_DEFSYM + 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_KEEP_MEMORY (OPTION_MAP + 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_WARN_COMMON (OPTION_VERSION_SCRIPT + 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) - -/* 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', "KEYWORD", "Shared library control for HP/UX compatibility", - ONE_DASH }, - { {"architecture", required_argument, NULL, 'A'}, - 'A', "ARCH", "Set architecture" , TWO_DASHES }, - { {"format", required_argument, NULL, 'b'}, - 'b', "TARGET", "Specify target for following input files", TWO_DASHES }, - { {"mri-script", required_argument, NULL, 'c'}, - 'c', "FILE", "Read MRI format linker script", TWO_DASHES }, - { {"dc", no_argument, NULL, 'd'}, - 'd', NULL, "Force common symbols to be defined", ONE_DASH }, - { {"dp", no_argument, NULL, 'd'}, - '\0', NULL, NULL, ONE_DASH }, - { {"entry", required_argument, NULL, 'e'}, - 'e', "ADDRESS", "Set start address", TWO_DASHES }, - { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC}, - 'E', NULL, "Export all dynamic symbols", TWO_DASHES }, - { {"auxiliary", required_argument, NULL, 'f'}, - 'f', "SHLIB", "Auxiliary filter for shared object symbol table", - TWO_DASHES }, - { {"filter", required_argument, NULL, 'F'}, - 'F', "SHLIB", "Filter for shared object symbol table", TWO_DASHES }, - { {NULL, no_argument, NULL, '\0'}, - 'g', NULL, "Ignored", ONE_DASH }, - { {"gpsize", required_argument, NULL, 'G'}, - 'G', "SIZE", "Small data size (if no size, same as --shared)", - TWO_DASHES }, - { {"soname", required_argument, NULL, OPTION_SONAME}, - 'h', "FILENAME", "Set internal name of shared library", ONE_DASH }, - { {"library", required_argument, NULL, 'l'}, - 'l', "LIBNAME", "Search for library LIBNAME", TWO_DASHES }, - { {"library-path", required_argument, NULL, 'L'}, - 'L', "DIRECTORY", "Add DIRECTORY to library search path", TWO_DASHES }, - { {NULL, required_argument, NULL, '\0'}, - 'm', "EMULATION", "Set emulation", ONE_DASH }, - { {"print-map", no_argument, NULL, 'M'}, - 'M', NULL, "Print map file on standard output", TWO_DASHES }, - { {"nmagic", no_argument, NULL, 'n'}, - 'n', NULL, "Do not page align data", TWO_DASHES }, - { {"omagic", no_argument, NULL, 'N'}, - 'N', NULL, "Do not page align data, do not make text readonly", - TWO_DASHES }, - { {"output", required_argument, NULL, 'o'}, - 'o', "FILE", "Set output file name", TWO_DASHES }, - { {NULL, required_argument, NULL, '\0'}, - 'O', NULL, "Ignored", ONE_DASH }, - { {"relocateable", no_argument, NULL, 'r'}, - 'r', NULL, "Generate relocateable output", TWO_DASHES }, - { {NULL, no_argument, NULL, '\0'}, - 'i', NULL, NULL, ONE_DASH }, - { {"just-symbols", required_argument, NULL, 'R'}, - 'R', "FILE", "Just link symbols (if directory, same as --rpath)", - TWO_DASHES }, - { {"strip-all", no_argument, NULL, 's'}, - 's', NULL, "Strip all symbols", TWO_DASHES }, - { {"strip-debug", no_argument, NULL, 'S'}, - 'S', NULL, "Strip debugging symbols", TWO_DASHES }, - { {"trace", no_argument, NULL, 't'}, - 't', NULL, "Trace file opens", TWO_DASHES }, - { {"script", required_argument, NULL, 'T'}, - 'T', "FILE", "Read linker script", TWO_DASHES }, - { {"undefined", required_argument, NULL, 'u'}, - 'u', "SYMBOL", "Start with undefined reference to SYMBOL", TWO_DASHES }, - { {"version", no_argument, NULL, OPTION_VERSION}, - 'v', NULL, "Print version information", TWO_DASHES }, - { {NULL, no_argument, NULL, '\0'}, - 'V', NULL, "Print version and emulation information", ONE_DASH }, - { {"discard-all", no_argument, NULL, 'x'}, - 'x', NULL, "Discard all local symbols", TWO_DASHES }, - { {"discard-locals", no_argument, NULL, 'X'}, - 'X', NULL, "Discard temporary local symbols", TWO_DASHES }, - { {"trace-symbol", required_argument, NULL, 'y'}, - 'y', "SYMBOL", "Trace mentions of SYMBOL", TWO_DASHES }, - { {NULL, required_argument, NULL, '\0'}, - 'Y', "PATH", "Default search path for Solaris compatibility", ONE_DASH }, - { {NULL, required_argument, NULL, '\0'}, - 'z', "KEYWORD", "Ignored for Solaris compatibility", ONE_DASH }, - { {"start-group", no_argument, NULL, '('}, - '(', NULL, "Start a group", TWO_DASHES }, - { {"end-group", no_argument, NULL, ')'}, - ')', NULL, "End a group", TWO_DASHES }, - { {"assert", required_argument, NULL, OPTION_ASSERT}, - '\0', "KEYWORD", "Ignored for SunOS compatibility", ONE_DASH }, - { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED}, - '\0', NULL, "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, "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, "Bind global references locally", ONE_DASH }, - { {"cref", no_argument, NULL, OPTION_CREF}, - '\0', NULL, "Output cross reference table", TWO_DASHES }, - { {"defsym", required_argument, NULL, OPTION_DEFSYM}, - '\0', "SYMBOL=EXPRESSION", "Define a symbol", TWO_DASHES }, - { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER}, - '\0', "PROGRAM", "Set the dynamic linker to use", TWO_DASHES }, - { {"EB", no_argument, NULL, OPTION_EB}, - '\0', NULL, "Link big-endian objects", ONE_DASH }, - { {"EL", no_argument, NULL, OPTION_EL}, - '\0', NULL, "Link little-endian objects", ONE_DASH }, - { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS}, - '\0', NULL, "Generate embedded relocs", TWO_DASHES}, - { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX}, - '\0', NULL, "Force generation of file with .exe suffix", TWO_DASHES}, - { {"help", no_argument, NULL, OPTION_HELP}, - '\0', NULL, "Print option help", TWO_DASHES }, - { {"Map", required_argument, NULL, OPTION_MAP}, - '\0', "FILE", "Write a map file", ONE_DASH }, - { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY}, - '\0', NULL, "Use less memory and more disk I/O", TWO_DASHES }, - { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH}, - '\0', NULL, "Don't warn about mismatched input files", TWO_DASHES}, - { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE}, - '\0', NULL, "Turn off --whole-archive", TWO_DASHES }, - { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC}, - '\0', NULL, "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', "TARGET", "Specify target of output file", TWO_DASHES }, - { {"qmagic", no_argument, NULL, OPTION_IGNORE}, - '\0', NULL, "Ignored for Linux compatibility", ONE_DASH }, - { {"Qy", no_argument, NULL, OPTION_IGNORE}, - '\0', NULL, "Ignored for SVR4 compatibility", ONE_DASH }, - { {"relax", no_argument, NULL, OPTION_RELAX}, - '\0', NULL, "Relax branches on certain targets", TWO_DASHES }, - { {"retain-symbols-file", required_argument, NULL, - OPTION_RETAIN_SYMBOLS_FILE}, - '\0', "FILE", "Keep only symbols listed in FILE", TWO_DASHES }, - { {"rpath", required_argument, NULL, OPTION_RPATH}, - '\0', "PATH", "Set runtime shared library search path", ONE_DASH }, - { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK}, - '\0', "PATH", "Set link time shared library search path", ONE_DASH }, - { {"shared", no_argument, NULL, OPTION_SHARED}, - '\0', NULL, "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, "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, "Split output sections for each file", TWO_DASHES }, - { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC}, - '\0', "COUNT", "Split output sections every COUNT relocs", TWO_DASHES }, - { {"stats", no_argument, NULL, OPTION_STATS}, - '\0', NULL, "Print memory usage statistics", TWO_DASHES }, - { {"task-link", required_argument, NULL, OPTION_TASK_LINK}, - '\0', "SYMBOL", "Do task level linking", TWO_DASHES }, - { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}, - '\0', NULL, "Use same format as native linker", TWO_DASHES }, - { {"Tbss", required_argument, NULL, OPTION_TBSS}, - '\0', "ADDRESS", "Set address of .bss section", ONE_DASH }, - { {"Tdata", required_argument, NULL, OPTION_TDATA}, - '\0', "ADDRESS", "Set address of .data section", ONE_DASH }, - { {"Ttext", required_argument, NULL, OPTION_TTEXT}, - '\0', "ADDRESS", "Set address of .text section", ONE_DASH }, - { {"Ur", no_argument, NULL, OPTION_UR}, - '\0', NULL, "Build global constructor/destructor tables", ONE_DASH }, - { {"verbose", no_argument, NULL, OPTION_VERBOSE}, - '\0', NULL, "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', "FILE", "Read version information script", TWO_DASHES }, - { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON}, - '\0', NULL, "Warn about duplicate common symbols", TWO_DASHES }, - { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS}, - '\0', NULL, "Warn if global constructors/destructors are seen", - TWO_DASHES }, - { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP}, - '\0', NULL, "Warn if the multiple GP values are used", TWO_DASHES }, - { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE}, - '\0', NULL, "Warn only once per undefined symbol", TWO_DASHES }, - { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN}, - '\0', NULL, "Warn if start of section changes due to alignment", - TWO_DASHES }, - { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE}, - '\0', NULL, "Include all objects from following archives", TWO_DASHES }, - { {"wrap", required_argument, NULL, OPTION_WRAP}, - '\0', "SYMBOL", "Use wrapper functions for SYMBOL", TWO_DASHES } -}; - -#define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0])) - -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"; - - last_optind = -1; - while (1) - { - /* getopt_long_only is like getopt_long, but '-' as well as '--' can - indicate a long option. */ - 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; - } - - optc = getopt_long_only (argc, argv, shortopts, longopts, &longind); - - if (optc == -1) - break; - switch (optc) - { - default: - 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_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_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_KEEP_MEMORY: - link_info.keep_memory = false; - 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. */ - 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 - { - char *buf; - - buf = xmalloc (strlen (command_line.rpath) - + strlen (optarg) - + 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: - link_info.shared = true; - 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_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 = atoi (optarg); - break; - case OPTION_SPLIT_BY_FILE: - config.split_by_file = true; - 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; - - } - } - - 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); - } - } - - 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"); - printf ("\nReport bugs to bug-gnu-utils@gnu.org\n"); -} |