/* Parse options for the GNU linker.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
Free Software Foundation, Inc.
This file is part of the GNU Binutils.
static void set_segment_start (const char *, char *);
static void help (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. */
-enum option_values
-{
- OPTION_ASSERT = 150,
- OPTION_CALL_SHARED,
- OPTION_CREF,
- OPTION_DEFSYM,
- OPTION_DEMANGLE,
- OPTION_DYNAMIC_LINKER,
- OPTION_SYSROOT,
- OPTION_EB,
- OPTION_EL,
- OPTION_EMBEDDED_RELOCS,
- OPTION_EXPORT_DYNAMIC,
- OPTION_NO_EXPORT_DYNAMIC,
- OPTION_HELP,
- OPTION_IGNORE,
- OPTION_MAP,
- OPTION_NO_DEMANGLE,
- OPTION_NO_KEEP_MEMORY,
- OPTION_NO_WARN_MISMATCH,
- OPTION_NO_WARN_SEARCH_MISMATCH,
- OPTION_NOINHIBIT_EXEC,
- OPTION_NON_SHARED,
- OPTION_NO_WHOLE_ARCHIVE,
- OPTION_OFORMAT,
- OPTION_RELAX,
- OPTION_NO_RELAX,
- OPTION_RETAIN_SYMBOLS_FILE,
- OPTION_RPATH,
- OPTION_RPATH_LINK,
- OPTION_SHARED,
- OPTION_SONAME,
- OPTION_SORT_COMMON,
- OPTION_SORT_SECTION,
- OPTION_STATS,
- OPTION_SYMBOLIC,
- OPTION_SYMBOLIC_FUNCTIONS,
- OPTION_TASK_LINK,
- OPTION_TBSS,
- OPTION_TDATA,
- OPTION_TTEXT,
- OPTION_TTEXT_SEGMENT,
- OPTION_TRADITIONAL_FORMAT,
- OPTION_UR,
- OPTION_VERBOSE,
- OPTION_VERSION,
- OPTION_VERSION_SCRIPT,
- OPTION_VERSION_EXPORTS_SECTION,
- OPTION_DYNAMIC_LIST,
- OPTION_DYNAMIC_LIST_CPP_NEW,
- OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
- OPTION_DYNAMIC_LIST_DATA,
- OPTION_WARN_COMMON,
- OPTION_WARN_CONSTRUCTORS,
- OPTION_WARN_FATAL,
- OPTION_NO_WARN_FATAL,
- OPTION_WARN_MULTIPLE_GP,
- OPTION_WARN_ONCE,
- OPTION_WARN_SECTION_ALIGN,
- OPTION_SPLIT_BY_RELOC,
- OPTION_SPLIT_BY_FILE ,
- OPTION_WHOLE_ARCHIVE,
- OPTION_ADD_DT_NEEDED_FOR_DYNAMIC,
- OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC,
- OPTION_ADD_DT_NEEDED_FOR_REGULAR,
- OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR,
- OPTION_WRAP,
- OPTION_FORCE_EXE_SUFFIX,
- OPTION_GC_SECTIONS,
- OPTION_NO_GC_SECTIONS,
- OPTION_PRINT_GC_SECTIONS,
- OPTION_NO_PRINT_GC_SECTIONS,
- OPTION_HASH_SIZE,
- OPTION_CHECK_SECTIONS,
- OPTION_NO_CHECK_SECTIONS,
- OPTION_NO_UNDEFINED,
- OPTION_INIT,
- OPTION_FINI,
- OPTION_SECTION_START,
- OPTION_UNIQUE,
- OPTION_TARGET_HELP,
- OPTION_ALLOW_SHLIB_UNDEFINED,
- OPTION_NO_ALLOW_SHLIB_UNDEFINED,
- OPTION_ALLOW_MULTIPLE_DEFINITION,
- OPTION_NO_UNDEFINED_VERSION,
- OPTION_DEFAULT_SYMVER,
- OPTION_DEFAULT_IMPORTED_SYMVER,
- OPTION_DISCARD_NONE,
- OPTION_SPARE_DYNAMIC_TAGS,
- OPTION_NO_DEFINE_COMMON,
- OPTION_NOSTDLIB,
- OPTION_NO_OMAGIC,
- OPTION_STRIP_DISCARDED,
- OPTION_NO_STRIP_DISCARDED,
- OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
- OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
- OPTION_PIE,
- OPTION_UNRESOLVED_SYMBOLS,
- OPTION_WARN_UNRESOLVED_SYMBOLS,
- OPTION_ERROR_UNRESOLVED_SYMBOLS,
- OPTION_WARN_SHARED_TEXTREL,
- OPTION_WARN_ALTERNATE_EM,
- OPTION_REDUCE_MEMORY_OVERHEADS,
-#ifdef ENABLE_PLUGINS
- OPTION_PLUGIN,
- OPTION_PLUGIN_OPT,
-#endif /* ENABLE_PLUGINS */
- OPTION_DEFAULT_SCRIPT,
-};
-
/* The long options. This structure is used for both the option
parsing and the help text. */
'\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
{ {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
'\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
+ { {"flto", optional_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
+ ONE_DASH },
+ { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
+ ONE_DASH },
#endif /* ENABLE_PLUGINS */
{ {"Qy", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
/* The next two options are deprecated because of their similarity to
--as-needed and --no-as-needed. They have been replaced by
- --resolve-implicit-dynamic-symbols and
- --no-resolve-implicit-dynamic-symbols. */
+ --copy-dt-needed-entries and --no-copy-dt-needed-entries. */
{ {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, NULL, NO_HELP },
{ {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, N_("Do not allow unresolved references in object files"),
TWO_DASHES },
{ {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
- '\0', NULL, N_("Allow unresolved references in shared libaries"),
+ '\0', NULL, N_("Allow unresolved references in shared libraries"),
TWO_DASHES },
{ {"no-allow-shlib-undefined", no_argument, NULL,
OPTION_NO_ALLOW_SHLIB_UNDEFINED},
{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
'\0', N_("TARGET"), N_("Specify target of output file"),
EXACTLY_TWO_DASHES },
+ { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
+ '\0', NULL, N_("Print default output format"), TWO_DASHES },
{ {"qmagic", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
{ {"reduce-memory-overheads", no_argument, NULL,
" ignore-all, report-all, ignore-in-object-files,\n"
" ignore-in-shared-libs"),
TWO_DASHES },
- { {"verbose", no_argument, NULL, OPTION_VERBOSE},
- '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
+ { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
+ '\0', N_("[=NUMBER]"),
+ 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 },
{
int longind;
int optc;
+ static unsigned int defsym_count;
/* Using last_optind lets us avoid calling ldemul_parse_args
multiple times on a single option, which would lead to
``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;
+ input_flags.dynamic = FALSE;
else if (strcmp (optarg, "shared") == 0
|| strcmp (optarg, "default") == 0)
- config.dynamic_link = TRUE;
+ input_flags.dynamic = TRUE;
else
einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
break;
yyparse ();
break;
case OPTION_CALL_SHARED:
- config.dynamic_link = TRUE;
+ input_flags.dynamic = TRUE;
break;
case OPTION_NON_SHARED:
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_CREF:
command_line.cref = TRUE;
break;
case OPTION_DEFSYM:
lex_string = optarg;
- lex_redirect (optarg);
+ lex_redirect (optarg, "--defsym", ++defsym_count);
parser_input = input_defsym;
- parsing_defsym = 1;
yyparse ();
- parsing_defsym = 0;
lex_string = NULL;
break;
case OPTION_DEMANGLE:
style = cplus_demangle_name_to_style (optarg);
if (style == unknown_demangling)
- einfo (_("%F%P: unknown demangling style `%s'"),
+ einfo (_("%F%P: unknown demangling style `%s'\n"),
optarg);
cplus_demangle_set_style (style);
case 'N':
config.text_read_only = FALSE;
config.magic_demand_paged = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_NO_OMAGIC:
config.text_read_only = TRUE;
config.magic_demand_paged = TRUE;
- /* NB/ Does not set dynamic_link to TRUE.
+ /* NB/ Does not set input_flags.dynamic to TRUE.
Use --call-shared or -Bdynamic for this. */
break;
case 'n':
config.magic_demand_paged = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case OPTION_NO_DEFINE_COMMON:
command_line.inhibit_common_definition = TRUE;
config.only_cmd_line_lib_dirs = TRUE;
break;
case OPTION_NO_WHOLE_ARCHIVE:
- whole_archive = FALSE;
+ input_flags.whole_archive = FALSE;
break;
case 'O':
/* FIXME "-O<non-digits> <value>" used to set the address of
case OPTION_OFORMAT:
lang_add_output_format (optarg, NULL, NULL, 0);
break;
+ case OPTION_PRINT_OUTPUT_FORMAT:
+ command_line.print_output_format = TRUE;
+ break;
#ifdef ENABLE_PLUGINS
case OPTION_PLUGIN:
if (plugin_opt_plugin (optarg))
- einfo(_("%P%F: bad -plugin option\n"));
+ einfo (_("%P%F: %s: error loading plugin\n"),
+ plugin_error_plugin ());
break;
case OPTION_PLUGIN_OPT:
if (plugin_opt_plugin_arg (optarg))
config.build_constructors = FALSE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case 'R':
/* The GNU linker traditionally uses -R to mean to include
config.build_constructors = TRUE;
config.magic_demand_paged = FALSE;
config.text_read_only = FALSE;
- config.dynamic_link = FALSE;
+ input_flags.dynamic = FALSE;
break;
case 'u':
- ldlang_add_undef (optarg);
+ ldlang_add_undef (optarg, TRUE);
break;
case OPTION_UNIQUE:
if (optarg != NULL)
case OPTION_VERBOSE:
ldversion (1);
version_printed = TRUE;
- trace_file_tries = TRUE;
+ verbose = TRUE;
overflow_cutoff_limit = -2;
+ if (optarg != NULL)
+ {
+ char *end;
+ int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
+ if (*end)
+ einfo (_("%P%F: invalid number `%s'\n"), optarg);
+#ifdef ENABLE_PLUGINS
+ report_plugin_symbols = level > 1;
+#endif /* ENABLE_PLUGINS */
+ }
break;
case 'v':
ldversion (0);
link_info.warn_alternate_em = TRUE;
break;
case OPTION_WHOLE_ARCHIVE:
- whole_archive = TRUE;
+ input_flags.whole_archive = TRUE;
break;
case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
- add_DT_NEEDED_for_dynamic = TRUE;
+ input_flags.add_DT_NEEDED_for_dynamic = TRUE;
break;
case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
- add_DT_NEEDED_for_dynamic = FALSE;
+ input_flags.add_DT_NEEDED_for_dynamic = FALSE;
break;
case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
- add_DT_NEEDED_for_regular = TRUE;
+ input_flags.add_DT_NEEDED_for_regular = TRUE;
break;
case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
- add_DT_NEEDED_for_regular = FALSE;
+ input_flags.add_DT_NEEDED_for_regular = FALSE;
break;
case OPTION_WRAP:
add_wrap (optarg);
/* FIXME: Should we allow emulations a chance to set this ? */
link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
-#ifdef ENABLE_PLUGINS
- /* Now all the plugin arguments have been gathered, we can load them. */
- if (plugin_load_plugins ())
- einfo (_("%P%F: %s: error loading plugin\n"), plugin_error_plugin ());
-#endif /* ENABLE_PLUGINS */
+ if (link_info.relocatable)
+ {
+ if (command_line.check_section_addresses < 0)
+ command_line.check_section_addresses = 0;
+ if (link_info.shared)
+ einfo (_("%P%F: -r and -shared may not be used together\n"));
+ }
+
+ /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
+ --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
+ --dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are
+ for shared libraries. -Bsymbolic overrides all others and vice
+ versa. */
+ switch (command_line.symbolic)
+ {
+ case symbolic_unset:
+ break;
+ case symbolic:
+ /* -Bsymbolic is for shared library only. */
+ if (link_info.shared)
+ {
+ link_info.symbolic = TRUE;
+ /* Should we free the unused memory? */
+ link_info.dynamic_list = NULL;
+ command_line.dynamic_list = dynamic_list_unset;
+ }
+ break;
+ case symbolic_functions:
+ /* -Bsymbolic-functions is for shared library only. */
+ if (link_info.shared)
+ command_line.dynamic_list = dynamic_list_data;
+ break;
+ }
+
+ switch (command_line.dynamic_list)
+ {
+ case dynamic_list_unset:
+ break;
+ case dynamic_list_data:
+ link_info.dynamic_data = TRUE;
+ case dynamic_list:
+ link_info.dynamic = TRUE;
+ break;
+ }
+
+ if (! link_info.shared)
+ {
+ if (command_line.filter_shlib)
+ einfo (_("%P%F: -F may not be used without -shared\n"));
+ if (command_line.auxiliary_filters)
+ einfo (_("%P%F: -f may not be used without -shared\n"));
+ }
+
+ if (! link_info.shared || link_info.pie)
+ link_info.executable = TRUE;
+
+ /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I
+ don't see how else this can be handled, since in this case we
+ must preserve all externally visible symbols. */
+ if (link_info.relocatable && link_info.strip == strip_all)
+ {
+ link_info.strip = strip_debugger;
+ if (link_info.discard == discard_sec_merge)
+ link_info.discard = discard_all;
+ }
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
projects / deliverable / binutils-gdb.git / blobdiff