X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Flexsup.c;h=a9a26890dfa8564d88f808fdc506b0d98f426b9f;hb=d8045f234d8865a7a7bfce71e81fcbeaf4098a7e;hp=c4336c45be5ad9633482a66553dfddc9f589cbbe;hpb=0112cd268b205d8176b8b4d00988a334822956cf;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/lexsup.c b/ld/lexsup.c index c4336c45be..a9a26890df 100644 --- a/ld/lexsup.c +++ b/ld/lexsup.c @@ -1,28 +1,28 @@ /* Parse options for the GNU linker. Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005 + 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. - This file is part of GLD, the Gnu Linker. + This file is part of the GNU Binutils. - GLD is free software; you can redistribute it and/or modify + This program 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. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. - GLD is distributed in the hope that it will be useful, + This program 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, 51 Franklin Street - Fifth Floor, Boston, MA - 02110-1301, USA. */ + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -#include "config.h" -#include "bfd.h" #include "sysdep.h" +#include "bfd.h" +#include "bfdver.h" #include "libiberty.h" #include #include @@ -77,12 +77,14 @@ enum option_values 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, @@ -97,10 +99,12 @@ enum option_values 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, @@ -108,10 +112,13 @@ enum option_values 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, @@ -157,7 +164,9 @@ enum option_values OPTION_WARN_UNRESOLVED_SYMBOLS, OPTION_ERROR_UNRESOLVED_SYMBOLS, OPTION_WARN_SHARED_TEXTREL, - OPTION_REDUCE_MEMORY_OVERHEADS + OPTION_WARN_ALTERNATE_EM, + OPTION_REDUCE_MEMORY_OVERHEADS, + OPTION_DEFAULT_SCRIPT }; /* The long options. This structure is used for both the option @@ -214,6 +223,8 @@ static const struct ld_option ld_options[] = '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 }, + { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC}, + '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES }, { {"EB", no_argument, NULL, OPTION_EB}, '\0', NULL, N_("Link big-endian objects"), ONE_DASH }, { {"EL", no_argument, NULL, OPTION_EL}, @@ -280,6 +291,10 @@ static const struct ld_option ld_options[] = 't', NULL, N_("Trace file opens"), TWO_DASHES }, { {"script", required_argument, NULL, 'T'}, 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES }, + { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT}, + '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES }, + { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT}, + '\0', NULL, NULL, ONE_DASH }, { {"undefined", required_argument, NULL, 'u'}, 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES }, @@ -318,10 +333,12 @@ static const struct ld_option ld_options[] = TWO_DASHES }, { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED}, '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n" - "\t\t\t\tfollowing dynamic libs"), TWO_DASHES }, + " following dynamic libs"), + TWO_DASHES }, { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED}, '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n" - "\t\t\t\tin following dynamic libs"), TWO_DASHES }, + " in following dynamic libs"), + TWO_DASHES }, { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED}, '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"), TWO_DASHES }, @@ -346,6 +363,8 @@ static const struct ld_option ld_options[] = '\0', NULL, NULL, ONE_DASH }, { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC}, '\0', NULL, N_("Bind global references locally"), ONE_DASH }, + { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS}, + '\0', NULL, N_("Bind global function references locally"), ONE_DASH }, { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS}, '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES }, @@ -364,6 +383,9 @@ static const struct ld_option ld_options[] = { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}, '\0', NULL, N_("Treat warnings as errors"), TWO_DASHES }, + { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL}, + '\0', NULL, N_("Do not treat warnings as errors (default)"), + 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}, @@ -418,6 +440,10 @@ static const struct ld_option ld_options[] = 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-warn-search-mismatch", no_argument, NULL, + OPTION_NO_WARN_SEARCH_MISMATCH}, + '\0', NULL, N_("Don't warn on finding an incompatible library"), + 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}, @@ -427,7 +453,8 @@ static const struct ld_option ld_options[] = '\0', NULL, NULL, NO_HELP }, { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB}, '\0', NULL, N_("Only use library directories specified on\n" - "\t\t\t\tthe command line"), ONE_DASH }, + " the command line"), + ONE_DASH }, { {"oformat", required_argument, NULL, OPTION_OFORMAT}, '\0', N_("TARGET"), N_("Specify target of output file"), EXACTLY_TWO_DASHES }, @@ -455,8 +482,10 @@ static const struct ld_option ld_options[] = '\0', NULL, N_("Create a position independent executable"), ONE_DASH }, { {"pic-executable", no_argument, NULL, OPTION_PIE}, '\0', NULL, NULL, TWO_DASHES }, - { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON}, - '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES }, + { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON}, + '\0', N_("[=ascending|descending]"), + N_("Sort common symbols by alignment [in specified order]"), + TWO_DASHES }, { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON}, '\0', NULL, NULL, NO_HELP }, { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION}, @@ -488,11 +517,14 @@ static const struct ld_option ld_options[] = '\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 }, + { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT}, + '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH }, { {"unresolved-symbols=", required_argument, NULL, OPTION_UNRESOLVED_SYMBOLS}, '\0', NULL, N_("How to handle unresolved symbols. is:\n" - "\t\t\t\tignore-all, report-all, ignore-in-object-files,\n" - "\t\t\t\tignore-in-shared-libs"), TWO_DASHES }, + " 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 }, { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */ @@ -502,7 +534,12 @@ static const struct ld_option ld_options[] = { {"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 }, + " SYMBOL as the version."), + TWO_DASHES }, + { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA}, + '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES }, + { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW}, + '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES }, { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO}, '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES }, { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST}, @@ -522,6 +559,9 @@ static const struct ld_option ld_options[] = { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL}, '\0', NULL, N_("Warn if shared object has DT_TEXTREL"), TWO_DASHES }, + { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM}, + '\0', NULL, N_("Warn if an object has alternate ELF machine code"), + TWO_DASHES }, { {"warn-unresolved-symbols", no_argument, NULL, OPTION_WARN_UNRESOLVED_SYMBOLS}, '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES }, @@ -680,6 +720,8 @@ parse_args (unsigned argc, char **argv) { case '?': einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]); + /* Fall through. */ + default: einfo (_("%P%F: use the --help option for usage information\n")); @@ -781,8 +823,12 @@ parse_args (unsigned argc, char **argv) case 'E': /* HP/UX compatibility. */ link_info.export_dynamic = TRUE; break; + case OPTION_NO_EXPORT_DYNAMIC: + link_info.export_dynamic = FALSE; + break; case 'e': lang_add_entry (optarg, TRUE); + ldlang_add_undef (optarg); break; case 'f': if (command_line.auxiliary_filters == NULL) @@ -947,6 +993,9 @@ parse_args (unsigned argc, char **argv) case OPTION_NO_WARN_MISMATCH: command_line.warn_mismatch = FALSE; break; + case OPTION_NO_WARN_SEARCH_MISMATCH: + command_line.warn_search_mismatch = FALSE; + break; case OPTION_NOINHIBIT_EXEC: force_make_executable = TRUE; break; @@ -1028,17 +1077,14 @@ parse_args (unsigned argc, char **argv) /* 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] == ':')) + if (strncmp (optarg, cp, optarg_len) == 0 + && (cp[optarg_len] == 0 + || cp[optarg_len] == config.rpath_separator)) /* We found it. */ break; /* Not yet found. */ - cp = strchr (cp, ':'); + cp = strchr (cp, config.rpath_separator); if (cp != NULL) ++cp; } @@ -1047,7 +1093,8 @@ parse_args (unsigned argc, char **argv) if (cp == NULL) { buf = xmalloc (rpath_len + optarg_len + 2); - sprintf (buf, "%s:%s", command_line.rpath, optarg); + sprintf (buf, "%s%c%s", command_line.rpath, + config.rpath_separator, optarg); free (command_line.rpath); command_line.rpath = buf; } @@ -1063,7 +1110,8 @@ parse_args (unsigned argc, char **argv) buf = xmalloc (strlen (command_line.rpath_link) + strlen (optarg) + 2); - sprintf (buf, "%s:%s", command_line.rpath_link, optarg); + sprintf (buf, "%s%c%s", command_line.rpath_link, + config.rpath_separator, optarg); free (command_line.rpath_link); command_line.rpath_link = buf; } @@ -1114,7 +1162,14 @@ parse_args (unsigned argc, char **argv) command_line.soname = optarg; break; case OPTION_SORT_COMMON: - config.sort_common = TRUE; + if (optarg == NULL + || strcmp (optarg, N_("descending")) == 0) + config.sort_common = sort_descending; + else if (strcmp (optarg, N_("ascending")) == 0) + config.sort_common = sort_ascending; + else + einfo (_("%P%F: invalid common section sorting option: %s\n"), + optarg); break; case OPTION_SORT_SECTION: if (strcmp (optarg, N_("name")) == 0) @@ -1129,15 +1184,23 @@ parse_args (unsigned argc, char **argv) config.stats = TRUE; break; case OPTION_SYMBOLIC: - link_info.symbolic = TRUE; + command_line.symbolic = symbolic; + break; + case OPTION_SYMBOLIC_FUNCTIONS: + command_line.symbolic = symbolic_functions; break; case 't': trace_files = TRUE; break; case 'T': + previous_script_handle = saved_script_handle; ldfile_open_command_file (optarg); parser_input = input_script; yyparse (); + previous_script_handle = NULL; + break; + case OPTION_DEFAULT_SCRIPT: + command_line.default_script = optarg; break; case OPTION_SECTION_START: { @@ -1182,6 +1245,9 @@ parse_args (unsigned argc, char **argv) case OPTION_TTEXT: set_segment_start (".text", optarg); break; + case OPTION_TTEXT_SEGMENT: + set_segment_start (".text-segment", optarg); + break; case OPTION_TRADITIONAL_FORMAT: link_info.traditional_format = TRUE; break; @@ -1242,8 +1308,24 @@ parse_args (unsigned argc, char **argv) .exports sections. */ command_line.version_exports_section = optarg; break; + case OPTION_DYNAMIC_LIST_DATA: + command_line.dynamic_list = dynamic_list_data; + if (command_line.symbolic == symbolic) + command_line.symbolic = symbolic_unset; + break; case OPTION_DYNAMIC_LIST_CPP_TYPEINFO: lang_append_dynamic_list_cpp_typeinfo (); + if (command_line.dynamic_list != dynamic_list_data) + command_line.dynamic_list = dynamic_list; + if (command_line.symbolic == symbolic) + command_line.symbolic = symbolic_unset; + break; + case OPTION_DYNAMIC_LIST_CPP_NEW: + lang_append_dynamic_list_cpp_new (); + if (command_line.dynamic_list != dynamic_list_data) + command_line.dynamic_list = dynamic_list; + if (command_line.symbolic == symbolic) + command_line.symbolic = symbolic_unset; break; case OPTION_DYNAMIC_LIST: /* This option indicates a small script that only specifies @@ -1258,6 +1340,10 @@ parse_args (unsigned argc, char **argv) parser_input = input_dynamic_list; yyparse (); } + if (command_line.dynamic_list != dynamic_list_data) + command_line.dynamic_list = dynamic_list; + if (command_line.symbolic == symbolic) + command_line.symbolic = symbolic_unset; break; case OPTION_WARN_COMMON: config.warn_common = TRUE; @@ -1268,6 +1354,9 @@ parse_args (unsigned argc, char **argv) case OPTION_WARN_FATAL: config.fatal_warnings = TRUE; break; + case OPTION_NO_WARN_FATAL: + config.fatal_warnings = FALSE; + break; case OPTION_WARN_MULTIPLE_GP: config.warn_multiple_gp = TRUE; break; @@ -1280,6 +1369,9 @@ parse_args (unsigned argc, char **argv) case OPTION_WARN_SHARED_TEXTREL: link_info.warn_shared_textrel = TRUE; break; + case OPTION_WARN_ALTERNATE_EM: + link_info.warn_alternate_em = TRUE; + break; case OPTION_WHOLE_ARCHIVE: whole_archive = TRUE; break; @@ -1333,10 +1425,10 @@ parse_args (unsigned argc, char **argv) config.split_by_file = 1; break; case OPTION_CHECK_SECTIONS: - command_line.check_section_addresses = TRUE; + command_line.check_section_addresses = 1; break; case OPTION_NO_CHECK_SECTIONS: - command_line.check_section_addresses = FALSE; + command_line.check_section_addresses = 0; break; case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH: command_line.accept_unknown_input_arch = TRUE; @@ -1368,7 +1460,7 @@ parse_args (unsigned argc, char **argv) break; case OPTION_REDUCE_MEMORY_OVERHEADS: - command_line.reduce_memory_overheads = TRUE; + link_info.reduce_memory_overheads = TRUE; if (config.hash_table_size == 0) config.hash_table_size = 1021; break; @@ -1586,5 +1678,6 @@ help (void) ldemul_list_emulation_options (stdout); printf ("\n"); - printf (_("Report bugs to %s\n"), REPORT_BUGS_TO); + if (REPORT_BUGS_TO[0]) + printf (_("Report bugs to %s\n"), REPORT_BUGS_TO); }