+ int i;
+ char *p;
+ const char *em = NULL;
+
+ for (i = 1; i < argc; i++)
+ if (!strncmp ("--em", argv[i], 4))
+ break;
+
+ if (i == argc)
+ goto do_default;
+
+ p = strchr (argv[i], '=');
+ if (p)
+ p++;
+ else
+ p = argv[i + 1];
+
+ if (!p || !*p)
+ as_fatal (_("missing emulation mode name"));
+ em = p;
+
+ do_default:
+ if (em == 0)
+ em = getenv (EMULATION_ENVIRON);
+ if (em == 0)
+ em = DEFAULT_EMULATION;
+
+ if (em)
+ {
+ for (i = 0; i < n_emulations; i++)
+ if (!strcmp (emulations[i]->name, em))
+ break;
+ if (i == n_emulations)
+ as_fatal (_("unrecognized emulation name `%s'"), em);
+ this_emulation = emulations[i];
+ }
+ else
+ this_emulation = emulations[0];
+
+ this_emulation->init ();
+}
+
+const char *
+default_emul_bfd_name (void)
+{
+ abort ();
+ return NULL;
+}
+
+void
+common_emul_init (void)
+{
+ this_format = this_emulation->format;
+
+ if (this_emulation->leading_underscore == 2)
+ this_emulation->leading_underscore = this_format->dfl_leading_underscore;
+
+ if (this_emulation->default_endian != 2)
+ target_big_endian = this_emulation->default_endian;
+
+ if (this_emulation->fake_label_name == 0)
+ {
+ if (this_emulation->leading_underscore)
+ this_emulation->fake_label_name = "L0\001";
+ else
+ /* What other parameters should we test? */
+ this_emulation->fake_label_name = ".L0\001";
+ }
+}
+#endif
+
+void
+print_version_id (void)
+{
+ static int printed;
+
+ if (printed)
+ return;
+ printed = 1;
+
+ fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s\n"),
+ VERSION, TARGET_ALIAS, BFD_VERSION_STRING);
+}
+
+#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
+enum compressed_debug_section_type flag_compress_debug
+ = COMPRESS_DEBUG_GABI_ZLIB;
+#endif
+
+static void
+show_usage (FILE * stream)
+{
+ fprintf (stream, _("Usage: %s [option...] [asmfile...]\n"), myname);
+
+ fprintf (stream, _("\
+Options:\n\
+ -a[sub-option...] turn on listings\n\
+ Sub-options [default hls]:\n\
+ c omit false conditionals\n\
+ d omit debugging directives\n\
+ g include general info\n\
+ h include high-level source\n\
+ l include assembly\n\
+ m include macro expansions\n\
+ n omit forms processing\n\
+ s include symbols\n\
+ =FILE list to FILE (must be last sub-option)\n"));
+
+ fprintf (stream, _("\
+ --alternate initially turn on alternate macro syntax\n"));
+#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
+ fprintf (stream, _("\
+ --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\
+ compress DWARF debug sections using zlib [default]\n"));
+ fprintf (stream, _("\
+ --nocompress-debug-sections\n\
+ don't compress DWARF debug sections\n"));
+#else
+ fprintf (stream, _("\
+ --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\
+ compress DWARF debug sections using zlib\n"));
+ fprintf (stream, _("\
+ --nocompress-debug-sections\n\
+ don't compress DWARF debug sections [default]\n"));
+#endif
+ fprintf (stream, _("\
+ -D produce assembler debugging messages\n"));
+ fprintf (stream, _("\
+ --debug-prefix-map OLD=NEW\n\
+ map OLD to NEW in debug information\n"));
+ fprintf (stream, _("\
+ --defsym SYM=VAL define symbol SYM to given value\n"));
+#ifdef USE_EMULATIONS
+ {
+ int i;
+ const char *def_em;
+
+ fprintf (stream, "\
+ --em=[");
+ for (i = 0; i < n_emulations - 1; i++)
+ fprintf (stream, "%s | ", emulations[i]->name);
+ fprintf (stream, "%s]\n", emulations[i]->name);
+
+ def_em = getenv (EMULATION_ENVIRON);
+ if (!def_em)
+ def_em = DEFAULT_EMULATION;
+ fprintf (stream, _("\
+ emulate output (default %s)\n"), def_em);
+ }
+#endif
+#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ fprintf (stream, _("\
+ --execstack require executable stack for this object\n"));
+ fprintf (stream, _("\
+ --noexecstack don't require executable stack for this object\n"));
+ fprintf (stream, _("\
+ --size-check=[error|warning]\n\
+ ELF .size directive check (default --size-check=error)\n"));
+ fprintf (stream, _("\
+ --elf-stt-common=[no|yes]\n\
+ generate ELF common symbols with STT_COMMON type\n"));
+ fprintf (stream, _("\
+ --sectname-subst enable section name substitution sequences\n"));
+#endif
+ fprintf (stream, _("\
+ -f skip whitespace and comment preprocessing\n"));
+ fprintf (stream, _("\
+ -g --gen-debug generate debugging information\n"));
+ fprintf (stream, _("\
+ --gstabs generate STABS debugging information\n"));
+ fprintf (stream, _("\
+ --gstabs+ generate STABS debug info with GNU extensions\n"));
+ fprintf (stream, _("\
+ --gdwarf-2 generate DWARF2 debugging information\n"));
+ fprintf (stream, _("\
+ --gdwarf-sections generate per-function section names for DWARF line information\n"));
+ fprintf (stream, _("\
+ --hash-size=<value> set the hash table size close to <value>\n"));
+ fprintf (stream, _("\
+ --help show this message and exit\n"));
+ fprintf (stream, _("\
+ --target-help show target specific options\n"));
+ fprintf (stream, _("\
+ -I DIR add DIR to search list for .include directives\n"));
+ fprintf (stream, _("\
+ -J don't warn about signed overflow\n"));
+ fprintf (stream, _("\
+ -K warn when differences altered for long displacements\n"));
+ fprintf (stream, _("\
+ -L,--keep-locals keep local symbols (e.g. starting with `L')\n"));
+ fprintf (stream, _("\
+ -M,--mri assemble in MRI compatibility mode\n"));
+ fprintf (stream, _("\
+ --MD FILE write dependency information in FILE (default none)\n"));
+ fprintf (stream, _("\
+ -nocpp ignored\n"));
+ fprintf (stream, _("\
+ -o OBJFILE name the object-file output OBJFILE (default a.out)\n"));
+ fprintf (stream, _("\
+ -R fold data section into text section\n"));
+ fprintf (stream, _("\
+ --reduce-memory-overheads \n\
+ prefer smaller memory use at the cost of longer\n\
+ assembly times\n"));
+ fprintf (stream, _("\
+ --statistics print various measured statistics from execution\n"));
+ fprintf (stream, _("\
+ --strip-local-absolute strip local absolute symbols\n"));
+ fprintf (stream, _("\
+ --traditional-format Use same format as native assembler when possible\n"));
+ fprintf (stream, _("\
+ --version print assembler version number and exit\n"));
+ fprintf (stream, _("\
+ -W --no-warn suppress warnings\n"));
+ fprintf (stream, _("\
+ --warn don't suppress warnings\n"));
+ fprintf (stream, _("\
+ --fatal-warnings treat warnings as errors\n"));
+#ifdef HAVE_ITBL_CPU
+ fprintf (stream, _("\
+ --itbl INSTTBL extend instruction set to include instructions\n\
+ matching the specifications defined in file INSTTBL\n"));
+#endif
+ fprintf (stream, _("\
+ -w ignored\n"));
+ fprintf (stream, _("\
+ -X ignored\n"));
+ fprintf (stream, _("\
+ -Z generate object file even after errors\n"));
+ fprintf (stream, _("\
+ --listing-lhs-width set the width in words of the output data column of\n\
+ the listing\n"));
+ fprintf (stream, _("\
+ --listing-lhs-width2 set the width in words of the continuation lines\n\
+ of the output data column; ignored if smaller than\n\
+ the width of the first line\n"));
+ fprintf (stream, _("\
+ --listing-rhs-width set the max width in characters of the lines from\n\
+ the source file\n"));
+ fprintf (stream, _("\
+ --listing-cont-lines set the maximum number of continuation lines used\n\
+ for the output data column of the listing\n"));
+ fprintf (stream, _("\
+ @FILE read options from FILE\n"));
+
+ md_show_usage (stream);
+
+ fputc ('\n', stream);
+
+ if (REPORT_BUGS_TO[0] && stream == stdout)
+ fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO);
+}
+
+/* Since it is easy to do here we interpret the special arg "-"
+ to mean "use stdin" and we set that argv[] pointing to "".
+ After we have munged argv[], the only things left are source file
+ name(s) and ""(s) denoting stdin. These file names are used
+ (perhaps more than once) later.
+
+ check for new machine-dep cmdline options in
+ md_parse_option definitions in config/tc-*.c. */
+
+static void
+parse_args (int * pargc, char *** pargv)
+{
+ int old_argc;
+ int new_argc;
+ char ** old_argv;
+ char ** new_argv;
+ /* 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. */
+ char *shortopts;
+ extern const char *md_shortopts;
+ static const char std_shortopts[] =
+ {
+ '-', 'J',
+#ifndef WORKING_DOT_WORD
+ /* -K is not meaningful if .word is not being hacked. */
+ 'K',
+#endif
+ 'L', 'M', 'R', 'W', 'Z', 'a', ':', ':', 'D', 'f', 'g', ':',':', 'I', ':', 'o', ':',
+#ifndef VMS
+ /* -v takes an argument on VMS, so we don't make it a generic
+ option. */
+ 'v',
+#endif
+ 'w', 'X',
+#ifdef HAVE_ITBL_CPU
+ /* New option for extending instruction set (see also --itbl below). */
+ 't', ':',
+#endif
+ '\0'
+ };
+ struct option *longopts;
+ extern struct option md_longopts[];
+ extern size_t md_longopts_size;
+ /* Codes used for the long options with no short synonyms. */
+ enum option_values
+ {
+ OPTION_HELP = OPTION_STD_BASE,
+ OPTION_NOCPP,
+ OPTION_STATISTICS,
+ OPTION_VERSION,
+ OPTION_DUMPCONFIG,
+ OPTION_VERBOSE,
+ OPTION_EMULATION,
+ OPTION_DEBUG_PREFIX_MAP,
+ OPTION_DEFSYM,
+ OPTION_LISTING_LHS_WIDTH,
+ OPTION_LISTING_LHS_WIDTH2,
+ OPTION_LISTING_RHS_WIDTH,
+ OPTION_LISTING_CONT_LINES,
+ OPTION_DEPFILE,
+ OPTION_GSTABS,
+ OPTION_GSTABS_PLUS,
+ OPTION_GDWARF2,
+ OPTION_GDWARF_SECTIONS,
+ OPTION_STRIP_LOCAL_ABSOLUTE,
+ OPTION_TRADITIONAL_FORMAT,
+ OPTION_WARN,
+ OPTION_TARGET_HELP,
+ OPTION_EXECSTACK,
+ OPTION_NOEXECSTACK,
+ OPTION_SIZE_CHECK,
+ OPTION_ELF_STT_COMMON,
+ OPTION_SECTNAME_SUBST,
+ OPTION_ALTERNATE,
+ OPTION_AL,
+ OPTION_HASH_TABLE_SIZE,
+ OPTION_REDUCE_MEMORY_OVERHEADS,
+ OPTION_WARN_FATAL,
+ OPTION_COMPRESS_DEBUG,
+ OPTION_NOCOMPRESS_DEBUG
+ /* When you add options here, check that they do
+ not collide with OPTION_MD_BASE. See as.h. */
+ };
+
+ static const struct option std_longopts[] =
+ {
+ /* Note: commas are placed at the start of the line rather than
+ the end of the preceding line so that it is simpler to
+ selectively add and remove lines from this list. */
+ {"alternate", no_argument, NULL, OPTION_ALTERNATE}
+ /* The entry for "a" is here to prevent getopt_long_only() from
+ considering that -a is an abbreviation for --alternate. This is
+ necessary because -a=<FILE> is a valid switch but getopt would
+ normally reject it since --alternate does not take an argument. */
+ ,{"a", optional_argument, NULL, 'a'}
+ /* Handle -al=<FILE>. */
+ ,{"al", optional_argument, NULL, OPTION_AL}
+ ,{"compress-debug-sections", optional_argument, NULL, OPTION_COMPRESS_DEBUG}
+ ,{"nocompress-debug-sections", no_argument, NULL, OPTION_NOCOMPRESS_DEBUG}
+ ,{"debug-prefix-map", required_argument, NULL, OPTION_DEBUG_PREFIX_MAP}
+ ,{"defsym", required_argument, NULL, OPTION_DEFSYM}
+ ,{"dump-config", no_argument, NULL, OPTION_DUMPCONFIG}
+ ,{"emulation", required_argument, NULL, OPTION_EMULATION}
+#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ ,{"execstack", no_argument, NULL, OPTION_EXECSTACK}
+ ,{"noexecstack", no_argument, NULL, OPTION_NOEXECSTACK}
+ ,{"size-check", required_argument, NULL, OPTION_SIZE_CHECK}
+ ,{"elf-stt-common", required_argument, NULL, OPTION_ELF_STT_COMMON}
+ ,{"sectname-subst", no_argument, NULL, OPTION_SECTNAME_SUBST}
+#endif
+ ,{"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
+ ,{"gdwarf-2", no_argument, NULL, OPTION_GDWARF2}
+ /* GCC uses --gdwarf-2 but GAS uses to use --gdwarf2,
+ so we keep it here for backwards compatibility. */
+ ,{"gdwarf2", no_argument, NULL, OPTION_GDWARF2}
+ ,{"gdwarf-sections", no_argument, NULL, OPTION_GDWARF_SECTIONS}
+ ,{"gen-debug", no_argument, NULL, 'g'}
+ ,{"gstabs", no_argument, NULL, OPTION_GSTABS}
+ ,{"gstabs+", no_argument, NULL, OPTION_GSTABS_PLUS}
+ ,{"hash-size", required_argument, NULL, OPTION_HASH_TABLE_SIZE}
+ ,{"help", no_argument, NULL, OPTION_HELP}
+#ifdef HAVE_ITBL_CPU
+ /* New option for extending instruction set (see also -t above).
+ The "-t file" or "--itbl file" option extends the basic set of
+ valid instructions by reading "file", a text file containing a
+ list of instruction formats. The additional opcodes and their
+ formats are added to the built-in set of instructions, and
+ mnemonics for new registers may also be defined. */
+ ,{"itbl", required_argument, NULL, 't'}
+#endif
+ /* getopt allows abbreviations, so we do this to stop it from
+ treating -k as an abbreviation for --keep-locals. Some
+ ports use -k to enable PIC assembly. */
+ ,{"keep-locals", no_argument, NULL, 'L'}
+ ,{"keep-locals", no_argument, NULL, 'L'}
+ ,{"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH}
+ ,{"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2}
+ ,{"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH}
+ ,{"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES}
+ ,{"MD", required_argument, NULL, OPTION_DEPFILE}
+ ,{"mri", no_argument, NULL, 'M'}
+ ,{"nocpp", no_argument, NULL, OPTION_NOCPP}
+ ,{"no-warn", no_argument, NULL, 'W'}
+ ,{"reduce-memory-overheads", no_argument, NULL, OPTION_REDUCE_MEMORY_OVERHEADS}
+ ,{"statistics", no_argument, NULL, OPTION_STATISTICS}
+ ,{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE}
+ ,{"version", no_argument, NULL, OPTION_VERSION}
+ ,{"verbose", no_argument, NULL, OPTION_VERBOSE}
+ ,{"target-help", no_argument, NULL, OPTION_TARGET_HELP}
+ ,{"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT}
+ ,{"warn", no_argument, NULL, OPTION_WARN}
+ };
+
+ /* Construct the option lists from the standard list and the target
+ dependent list. Include space for an extra NULL option and
+ always NULL terminate. */
+ shortopts = concat (std_shortopts, md_shortopts, (char *) NULL);
+ longopts = (struct option *) xmalloc (sizeof (std_longopts)
+ + md_longopts_size + sizeof (struct option));
+ memcpy (longopts, std_longopts, sizeof (std_longopts));
+ memcpy (((char *) longopts) + sizeof (std_longopts), md_longopts, md_longopts_size);
+ memset (((char *) longopts) + sizeof (std_longopts) + md_longopts_size,
+ 0, sizeof (struct option));
+
+ /* Make a local copy of the old argv. */
+ old_argc = *pargc;
+ old_argv = *pargv;
+
+ /* Initialize a new argv that contains no options. */
+ new_argv = XNEWVEC (char *, old_argc + 1);
+ new_argv[0] = old_argv[0];
+ new_argc = 1;
+ new_argv[new_argc] = NULL;
+
+ while (1)
+ {
+ /* getopt_long_only is like getopt_long, but '-' as well as '--' can
+ indicate a long option. */
+ int longind;
+ int optc = getopt_long_only (old_argc, old_argv, shortopts, longopts,
+ &longind);
+
+ if (optc == -1)
+ break;
+
+ switch (optc)
+ {
+ default:
+ /* md_parse_option should return 1 if it recognizes optc,
+ 0 if not. */
+ if (md_parse_option (optc, optarg) != 0)
+ break;
+ /* `-v' isn't included in the general short_opts list, so check for
+ it explicitly here before deciding we've gotten a bad argument. */
+ if (optc == 'v')
+ {
+#ifdef VMS
+ /* Telling getopt to treat -v's value as optional can result
+ in it picking up a following filename argument here. The
+ VMS code in md_parse_option can return 0 in that case,
+ but it has no way of pushing the filename argument back. */
+ if (optarg && *optarg)
+ new_argv[new_argc++] = optarg, new_argv[new_argc] = NULL;
+ else
+#else
+ case 'v':
+#endif
+ case OPTION_VERBOSE:
+ print_version_id ();
+ verbose = 1;
+ break;
+ }
+ else
+ as_bad (_("unrecognized option -%c%s"), optc, optarg ? optarg : "");
+ /* Fall through. */
+
+ case '?':
+ exit (EXIT_FAILURE);
+
+ case 1: /* File name. */
+ if (!strcmp (optarg, "-"))
+ optarg = (char *) "";
+ new_argv[new_argc++] = optarg;
+ new_argv[new_argc] = NULL;
+ break;
+
+ case OPTION_TARGET_HELP:
+ md_show_usage (stdout);
+ exit (EXIT_SUCCESS);
+
+ case OPTION_HELP:
+ show_usage (stdout);
+ exit (EXIT_SUCCESS);
+
+ case OPTION_NOCPP:
+ break;
+
+ case OPTION_STATISTICS:
+ flag_print_statistics = 1;
+ break;
+
+ case OPTION_STRIP_LOCAL_ABSOLUTE:
+ flag_strip_local_absolute = 1;
+ break;
+
+ case OPTION_TRADITIONAL_FORMAT:
+ flag_traditional_format = 1;
+ break;
+
+ case OPTION_VERSION:
+ /* This output is intended to follow the GNU standards document. */
+ printf (_("GNU assembler %s\n"), BFD_VERSION_STRING);
+ printf (_("Copyright (C) 2016 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 version 3 or later.\n\
+This program has absolutely no warranty.\n"));
+ printf (_("This assembler was configured for a target of `%s'.\n"),
+ TARGET_ALIAS);
+ exit (EXIT_SUCCESS);
+
+ case OPTION_EMULATION:
+#ifdef USE_EMULATIONS
+ if (strcmp (optarg, this_emulation->name))
+ as_fatal (_("multiple emulation names specified"));
+#else
+ as_fatal (_("emulations not handled in this configuration"));
+#endif
+ break;
+
+ case OPTION_DUMPCONFIG:
+ fprintf (stderr, _("alias = %s\n"), TARGET_ALIAS);
+ fprintf (stderr, _("canonical = %s\n"), TARGET_CANONICAL);
+ fprintf (stderr, _("cpu-type = %s\n"), TARGET_CPU);
+#ifdef TARGET_OBJ_FORMAT
+ fprintf (stderr, _("format = %s\n"), TARGET_OBJ_FORMAT);
+#endif
+#ifdef TARGET_FORMAT
+ fprintf (stderr, _("bfd-target = %s\n"), TARGET_FORMAT);
+#endif
+ exit (EXIT_SUCCESS);
+
+ case OPTION_COMPRESS_DEBUG:
+ if (optarg)
+ {
+#if defined OBJ_ELF || defined OBJ_MAYBE_ELF
+ if (strcasecmp (optarg, "none") == 0)
+ flag_compress_debug = COMPRESS_DEBUG_NONE;
+ else if (strcasecmp (optarg, "zlib") == 0)
+ flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
+ else if (strcasecmp (optarg, "zlib-gnu") == 0)
+ flag_compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
+ else if (strcasecmp (optarg, "zlib-gabi") == 0)
+ flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
+ else
+ as_fatal (_("Invalid --compress-debug-sections option: `%s'"),
+ optarg);
+#else
+ as_fatal (_("--compress-debug-sections=%s is unsupported"),
+ optarg);
+#endif
+ }
+ else
+ flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
+ break;
+
+ case OPTION_NOCOMPRESS_DEBUG:
+ flag_compress_debug = COMPRESS_DEBUG_NONE;
+ break;
+
+ case OPTION_DEBUG_PREFIX_MAP:
+ add_debug_prefix_map (optarg);
+ break;
+
+ case OPTION_DEFSYM:
+ {
+ char *s;
+ valueT i;
+ struct defsym_list *n;
+
+ for (s = optarg; *s != '\0' && *s != '='; s++)
+ ;
+ if (*s == '\0')
+ as_fatal (_("bad defsym; format is --defsym name=value"));
+ *s++ = '\0';
+ i = bfd_scan_vma (s, (const char **) NULL, 0);
+ n = XNEW (struct defsym_list);
+ n->next = defsyms;
+ n->name = optarg;
+ n->value = i;
+ defsyms = n;
+ }
+ break;
+
+#ifdef HAVE_ITBL_CPU
+ case 't':
+ {
+ /* optarg is the name of the file containing the instruction
+ formats, opcodes, register names, etc. */
+ struct itbl_file_list *n;
+
+ if (optarg == NULL)
+ {
+ as_warn (_("no file name following -t option"));
+ break;
+ }
+
+ n = XNEW (struct itbl_file_list);
+ n->next = itbl_files;
+ n->name = optarg;
+ itbl_files = n;
+
+ /* Parse the file and add the new instructions to our internal
+ table. If multiple instruction tables are specified, the
+ information from this table gets appended onto the existing
+ internal table. */
+ itbl_files->name = xstrdup (optarg);
+ if (itbl_parse (itbl_files->name) != 0)
+ as_fatal (_("failed to read instruction table %s\n"),
+ itbl_files->name);
+ }
+ break;
+#endif
+
+ case OPTION_DEPFILE:
+ start_dependencies (optarg);
+ break;
+
+ case 'g':
+ /* Some backends, eg Alpha and Mips, use the -g switch for their
+ own purposes. So we check here for an explicit -g and allow
+ the backend to decide if it wants to process it. */
+ if ( old_argv[optind - 1][1] == 'g'
+ && md_parse_option (optc, optarg))
+ continue;
+
+ if (md_debug_format_selector)
+ debug_type = md_debug_format_selector (& use_gnu_debug_info_extensions);
+ else if (IS_ELF)
+ debug_type = DEBUG_DWARF2;
+ else
+ debug_type = DEBUG_STABS;
+ break;
+
+ case OPTION_GSTABS_PLUS:
+ use_gnu_debug_info_extensions = 1;
+ /* Fall through. */
+ case OPTION_GSTABS:
+ debug_type = DEBUG_STABS;
+ break;
+
+ case OPTION_GDWARF2:
+ debug_type = DEBUG_DWARF2;
+ break;
+
+ case OPTION_GDWARF_SECTIONS:
+ flag_dwarf_sections = TRUE;
+ break;
+
+ case 'J':
+ flag_signed_overflow_ok = 1;
+ break;