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diff --git a/gas/as.c b/gas/as.c
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--- a/gas/as.c
+++ /dev/null
@@ -1,1104 +0,0 @@
-/* as.c - GAS main program.
- Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001
- Free Software Foundation, Inc.
-
- This file is part of GAS, the GNU Assembler.
-
- GAS 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.
-
- GAS 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 GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
-
-/* Main program for AS; a 32-bit assembler of GNU.
- * Understands command arguments.
- * Has a few routines that don't fit in other modules because they
- * are shared.
- *
- * bugs
- *
- * : initialisers
- * Since no-one else says they will support them in future: I
- * don't support them now.
- */
-
-#include "ansidecl.h"
-
-#define COMMON
-
-#include "as.h"
-#include "subsegs.h"
-#include "output-file.h"
-#include "sb.h"
-#include "macro.h"
-#include "dwarf2dbg.h"
-
-#ifdef HAVE_ITBL_CPU
-#include "itbl-ops.h"
-#else
-#define itbl_parse(itbl_file) 1
-#define itbl_init()
-#endif
-
-#ifdef HAVE_SBRK
-#ifdef NEED_DECLARATION_SBRK
-extern PTR sbrk ();
-#endif
-#endif
-
-static void show_usage PARAMS ((FILE *));
-static void parse_args PARAMS ((int *, char ***));
-static void dump_statistics PARAMS ((void));
-static void perform_an_assembly_pass PARAMS ((int argc, char **argv));
-static int macro_expr PARAMS ((const char *, int, sb *, int *));
-
-/* True if a listing is wanted. */
-int listing;
-
-/* Name of listing file. */
-static char *listing_filename = NULL;
-
-/* Type of debugging to generate. */
-
-enum debug_info_type debug_type = DEBUG_UNSPECIFIED;
-
-/* Maximum level of macro nesting. */
-int max_macro_nest = 100;
-
-/* argv[0] */
-char *myname;
-#ifdef BFD_ASSEMBLER
-segT reg_section, expr_section;
-segT text_section, data_section, bss_section;
-#endif
-
-/* The default obstack chunk size. If we set this to zero, the
- obstack code will use whatever will fit in a 4096 byte block. */
-int chunksize = 0;
-
-/* To monitor memory allocation more effectively, make this non-zero.
- Then the chunk sizes for gas and bfd will be reduced. */
-int debug_memory = 0;
-
-/* We build a list of defsyms as we read the options, and then define
- them after we have initialized everything. */
-
-struct defsym_list {
- struct defsym_list *next;
- char *name;
- valueT value;
-};
-
-static struct defsym_list *defsyms;
-
-/* Keep a record of the itbl files we read in. */
-
-struct itbl_file_list {
- struct itbl_file_list *next;
- char *name;
-};
-
-static struct itbl_file_list *itbl_files;
-
-#ifdef USE_EMULATIONS
-#define EMULATION_ENVIRON "AS_EMULATION"
-
-extern struct emulation mipsbelf, mipslelf, mipself;
-extern struct emulation mipsbecoff, mipslecoff, mipsecoff;
-extern struct emulation i386coff, i386elf, i386aout;
-extern struct emulation crisaout, criself;
-
-static struct emulation *const emulations[] = { EMULATIONS };
-static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]);
-
-static void select_emulation_mode PARAMS ((int, char **));
-
-static void
-select_emulation_mode (argc, argv)
- int argc;
- char **argv;
-{
- int i;
- char *p, *em = 0;
-
- 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 ()
-{
- abort ();
- return NULL;
-}
-
-void
-common_emul_init ()
-{
- 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 ()
-{
- static int printed;
- if (printed)
- return;
- printed = 1;
-
-#ifdef BFD_ASSEMBLER
- fprintf (stderr, _("GNU assembler version %s (%s) using BFD version %s"),
- VERSION, TARGET_ALIAS, BFD_VERSION);
-#else
- fprintf (stderr, _("GNU assembler version %s (%s)"), VERSION, TARGET_ALIAS);
-#endif
- fprintf (stderr, "\n");
-}
-
-static void
-show_usage (stream)
- 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\
- 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, _("\
- -D produce assembler debugging messages\n"));
- fprintf (stream, _("\
- --defsym SYM=VAL define symbol SYM to given value\n"));
-#ifdef USE_EMULATIONS
- {
- int i;
- 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
- fprintf (stream, _("\
- -f skip whitespace and comment preprocessing\n"));
- fprintf (stream, _("\
- --gstabs generate stabs debugging information\n"));
- fprintf (stream, _("\
- --gdwarf2 generate DWARF2 debugging information\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, _("\
- --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"));
- fprintf (stream, _("\
- --itbl INSTTBL extend instruction set to include instructions\n\
- matching the specifications defined in file INSTTBL\n"));
- 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"));
-
- md_show_usage (stream);
-
- fputc ('\n', stream);
- 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 (pargc, pargv)
- int *pargc;
- char ***pargv;
-{
- int old_argc, new_argc;
- char **old_argv, **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', 'f', 'a', ':', ':', 'D', 'I', ':', 'o', ':',
-#ifndef VMS
- /* -v takes an argument on VMS, so we don't make it a generic
- option. */
- 'v',
-#endif
- 'w', 'X',
- /* New option for extending instruction set (see also --itbl below) */
- 't', ':',
- '\0'
- };
- struct option *longopts;
- extern struct option md_longopts[];
- extern size_t md_longopts_size;
- static const struct option std_longopts[] = {
-#define OPTION_HELP (OPTION_STD_BASE)
- {"help", no_argument, NULL, OPTION_HELP},
- {"keep-locals", no_argument, NULL, 'L'},
- {"mri", no_argument, NULL, 'M'},
-#define OPTION_NOCPP (OPTION_STD_BASE + 1)
- {"nocpp", no_argument, NULL, OPTION_NOCPP},
-#define OPTION_STATISTICS (OPTION_STD_BASE + 2)
- {"statistics", no_argument, NULL, OPTION_STATISTICS},
-#define OPTION_VERSION (OPTION_STD_BASE + 3)
- {"version", no_argument, NULL, OPTION_VERSION},
-#define OPTION_DUMPCONFIG (OPTION_STD_BASE + 4)
- {"dump-config", no_argument, NULL, OPTION_DUMPCONFIG},
-#define OPTION_VERBOSE (OPTION_STD_BASE + 5)
- {"verbose", no_argument, NULL, OPTION_VERBOSE},
-#define OPTION_EMULATION (OPTION_STD_BASE + 6)
- {"emulation", required_argument, NULL, OPTION_EMULATION},
-#define OPTION_DEFSYM (OPTION_STD_BASE + 7)
- {"defsym", required_argument, NULL, OPTION_DEFSYM},
-#define OPTION_INSTTBL (OPTION_STD_BASE + 8)
- /* 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, OPTION_INSTTBL},
-#define OPTION_LISTING_LHS_WIDTH (OPTION_STD_BASE + 9)
- {"listing-lhs-width", required_argument, NULL, OPTION_LISTING_LHS_WIDTH},
-#define OPTION_LISTING_LHS_WIDTH2 (OPTION_STD_BASE + 10)
- {"listing-lhs-width2", required_argument, NULL, OPTION_LISTING_LHS_WIDTH2},
-#define OPTION_LISTING_RHS_WIDTH (OPTION_STD_BASE + 11)
- {"listing-rhs-width", required_argument, NULL, OPTION_LISTING_RHS_WIDTH},
-#define OPTION_LISTING_CONT_LINES (OPTION_STD_BASE + 12)
- {"listing-cont-lines", required_argument, NULL, OPTION_LISTING_CONT_LINES},
-#define OPTION_DEPFILE (OPTION_STD_BASE + 13)
- {"MD", required_argument, NULL, OPTION_DEPFILE},
-#define OPTION_GSTABS (OPTION_STD_BASE + 14)
- {"gstabs", no_argument, NULL, OPTION_GSTABS},
-#define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 15)
- {"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE},
-#define OPTION_TRADITIONAL_FORMAT (OPTION_STD_BASE + 16)
- {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
-#define OPTION_GDWARF2 (OPTION_STD_BASE + 17)
- {"gdwarf2", no_argument, NULL, OPTION_GDWARF2},
- {"no-warn", no_argument, NULL, 'W'},
-#define OPTION_WARN (OPTION_STD_BASE + 18)
- {"warn", no_argument, NULL, OPTION_WARN},
-#define OPTION_TARGET_HELP (OPTION_STD_BASE + 19)
- {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
-#define OPTION_WARN_FATAL (OPTION_STD_BASE + 20)
- {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL}
- /* When you add options here, check that they do not collide with
- OPTION_MD_BASE. See as.h. */
- };
-
- /* 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 = (char **) xmalloc (sizeof (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 explicity 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 ();
- break;
- }
- /* Fall through. */
-
- case '?':
- exit (EXIT_FAILURE);
-
- case 1: /* File name. */
- if (!strcmp (optarg, "-"))
- optarg = "";
- 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"), VERSION);
- printf (_("Copyright 2001 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"));
- 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_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';
-#ifdef BFD_ASSEMBLER
- i = bfd_scan_vma (s, (const char **) NULL, 0);
-#else
- i = strtol (s, (char **) NULL, 0);
-#endif
- n = (struct defsym_list *) xmalloc (sizeof *n);
- n->next = defsyms;
- n->name = optarg;
- n->value = i;
- defsyms = n;
- }
- break;
-
- case OPTION_INSTTBL:
- 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\n"));
- break;
- }
-
- n = (struct itbl_file_list *) xmalloc (sizeof *n);
- 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)
- {
- fprintf (stderr, _("Failed to read instruction table %s\n"),
- itbl_files->name);
- exit (EXIT_SUCCESS);
- }
- }
- break;
-
- case OPTION_DEPFILE:
- start_dependencies (optarg);
- break;
-
- case OPTION_GSTABS:
- debug_type = DEBUG_STABS;
- break;
-
- case OPTION_GDWARF2:
- debug_type = DEBUG_DWARF2;
- break;
-
- case 'J':
- flag_signed_overflow_ok = 1;
- break;
-
-#ifndef WORKING_DOT_WORD
- case 'K':
- flag_warn_displacement = 1;
- break;
-#endif
-
- case 'L':
- flag_keep_locals = 1;
- break;
-
- case OPTION_LISTING_LHS_WIDTH:
- listing_lhs_width = atoi (optarg);
- if (listing_lhs_width_second < listing_lhs_width)
- listing_lhs_width_second = listing_lhs_width;
- break;
- case OPTION_LISTING_LHS_WIDTH2:
- {
- int tmp = atoi (optarg);
- if (tmp > listing_lhs_width)
- listing_lhs_width_second = tmp;
- }
- break;
- case OPTION_LISTING_RHS_WIDTH:
- listing_rhs_width = atoi (optarg);
- break;
- case OPTION_LISTING_CONT_LINES:
- listing_lhs_cont_lines = atoi (optarg);
- break;
-
- case 'M':
- flag_mri = 1;
-#ifdef TC_M68K
- flag_m68k_mri = 1;
-#endif
- break;
-
- case 'R':
- flag_readonly_data_in_text = 1;
- break;
-
- case 'W':
- flag_no_warnings = 1;
- break;
-
- case OPTION_WARN:
- flag_no_warnings = 0;
- flag_fatal_warnings = 0;
- break;
-
- case OPTION_WARN_FATAL:
- flag_no_warnings = 0;
- flag_fatal_warnings = 1;
- break;
-
- case 'Z':
- flag_always_generate_output = 1;
- break;
-
- case 'a':
- if (optarg)
- {
- if (md_parse_option (optc, optarg) != 0)
- break;
-
- while (*optarg)
- {
- switch (*optarg)
- {
- case 'c':
- listing |= LISTING_NOCOND;
- break;
- case 'd':
- listing |= LISTING_NODEBUG;
- break;
- case 'h':
- listing |= LISTING_HLL;
- break;
- case 'l':
- listing |= LISTING_LISTING;
- break;
- case 'm':
- listing |= LISTING_MACEXP;
- break;
- case 'n':
- listing |= LISTING_NOFORM;
- break;
- case 's':
- listing |= LISTING_SYMBOLS;
- break;
- case '=':
- listing_filename = xstrdup (optarg + 1);
- optarg += strlen (listing_filename);
- break;
- default:
- as_fatal (_("invalid listing option `%c'"), *optarg);
- break;
- }
- optarg++;
- }
- }
- if (!listing)
- listing = LISTING_DEFAULT;
- break;
-
- case 'D':
- /* DEBUG is implemented: it debugs different
- things from other people's assemblers. */
- flag_debug = 1;
- break;
-
- case 'f':
- flag_no_comments = 1;
- break;
-
- case 'I':
- { /* Include file directory. */
- char *temp = xstrdup (optarg);
- add_include_dir (temp);
- break;
- }
-
- case 'o':
- out_file_name = xstrdup (optarg);
- break;
-
- case 'w':
- break;
-
- case 'X':
- /* -X means treat warnings as errors. */
- break;
- }
- }
-
- free (shortopts);
- free (longopts);
-
- *pargc = new_argc;
- *pargv = new_argv;
-}
-
-static long start_time;
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- int macro_alternate;
- int macro_strip_at;
- int keep_it;
-
- start_time = get_run_time ();
-
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
- setlocale (LC_MESSAGES, "");
-#endif
- bindtextdomain (PACKAGE, LOCALEDIR);
- textdomain (PACKAGE);
-
- if (debug_memory)
- {
-#ifdef BFD_ASSEMBLER
- extern long _bfd_chunksize;
- _bfd_chunksize = 64;
-#endif
- chunksize = 64;
- }
-
-#ifdef HOST_SPECIAL_INIT
- HOST_SPECIAL_INIT (argc, argv);
-#endif
-
- myname = argv[0];
- xmalloc_set_program_name (myname);
-
- START_PROGRESS (myname, 0);
-
-#ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME
-#define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out"
-#endif
-
- out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME;
-
- hex_init ();
-#ifdef BFD_ASSEMBLER
- bfd_init ();
- bfd_set_error_program_name (myname);
-#endif
-
-#ifdef USE_EMULATIONS
- select_emulation_mode (argc, argv);
-#endif
-
- PROGRESS (1);
- symbol_begin ();
- frag_init ();
- subsegs_begin ();
- parse_args (&argc, &argv);
- read_begin ();
- input_scrub_begin ();
- expr_begin ();
-
- if (flag_print_statistics)
- xatexit (dump_statistics);
-
- macro_alternate = 0;
- macro_strip_at = 0;
-#ifdef TC_I960
- macro_strip_at = flag_mri;
-#endif
-#ifdef TC_A29K
- /* For compatibility with the AMD 29K family macro assembler
- specification. */
- macro_alternate = 1;
- macro_strip_at = 1;
-#endif
-
- macro_init (macro_alternate, flag_mri, macro_strip_at, macro_expr);
-
- PROGRESS (1);
-
-#ifdef BFD_ASSEMBLER
- output_file_create (out_file_name);
- assert (stdoutput != 0);
-#endif
-
-#ifdef tc_init_after_args
- tc_init_after_args ();
-#endif
-
- itbl_init ();
-
- /* Now that we have fully initialized, and have created the output
- file, define any symbols requested by --defsym command line
- arguments. */
- while (defsyms != NULL)
- {
- symbolS *sym;
- struct defsym_list *next;
-
- sym = symbol_new (defsyms->name, absolute_section, defsyms->value,
- &zero_address_frag);
- symbol_table_insert (sym);
- next = defsyms->next;
- free (defsyms);
- defsyms = next;
- }
-
- PROGRESS (1);
-
- /* Assemble it. */
- perform_an_assembly_pass (argc, argv);
-
- cond_finish_check (-1);
-
-#ifdef md_end
- md_end ();
-#endif
-
- /* If we've been collecting dwarf2 .debug_line info, either for
- assembly debugging or on behalf of the compiler, emit it now. */
- dwarf2_finish ();
-
- if (seen_at_least_1_file ()
- && (flag_always_generate_output || had_errors () == 0))
- keep_it = 1;
- else
- keep_it = 0;
-
-#if defined (BFD_ASSEMBLER) || !defined (BFD)
- /* This used to be done at the start of write_object_file in
- write.c, but that caused problems when doing listings when
- keep_it was zero. This could probably be moved above md_end, but
- I didn't want to risk the change. */
- subsegs_finish ();
-#endif
-
- if (keep_it)
- write_object_file ();
-
-#ifndef NO_LISTING
- listing_print (listing_filename);
-#endif
-
-#ifndef OBJ_VMS /* does its own file handling */
-#ifndef BFD_ASSEMBLER
- if (keep_it)
-#endif
- output_file_close (out_file_name);
-#endif
-
- if (flag_fatal_warnings && had_warnings () > 0 && had_errors () == 0)
- as_bad (_("%d warnings, treating warnings as errors"), had_warnings ());
-
- if (had_errors () > 0 && ! flag_always_generate_output)
- keep_it = 0;
-
- if (!keep_it)
- unlink (out_file_name);
-
- input_scrub_end ();
-
- END_PROGRESS (myname);
-
- /* Use xexit instead of return, because under VMS environments they
- may not place the same interpretation on the value given. */
- if (had_errors () > 0)
- xexit (EXIT_FAILURE);
-
- /* Only generate dependency file if assembler was successful. */
- print_dependencies ();
-
- xexit (EXIT_SUCCESS);
-}
-
-static void
-dump_statistics ()
-{
-#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
-#endif
- long run_time = get_run_time () - start_time;
-
- fprintf (stderr, _("%s: total time in assembly: %ld.%06ld\n"),
- myname, run_time / 1000000, run_time % 1000000);
-#ifdef HAVE_SBRK
- fprintf (stderr, _("%s: data size %ld\n"),
- myname, (long) (lim - (char *) &environ));
-#endif
-
- subsegs_print_statistics (stderr);
- write_print_statistics (stderr);
- symbol_print_statistics (stderr);
- read_print_statistics (stderr);
-
-#ifdef tc_print_statistics
- tc_print_statistics (stderr);
-#endif
-#ifdef obj_print_statistics
- obj_print_statistics (stderr);
-#endif
-}
-
-/* Here to attempt 1 pass over each input file.
- We scan argv[*] looking for filenames or exactly "" which is
- shorthand for stdin. Any argv that is NULL is not a file-name.
- We set need_pass_2 TRUE if, after this, we still have unresolved
- expressions of the form (unknown value)+-(unknown value).
-
- Note the un*x semantics: there is only 1 logical input file, but it
- may be a catenation of many 'physical' input files. */
-
-static void
-perform_an_assembly_pass (argc, argv)
- int argc;
- char **argv;
-{
- int saw_a_file = 0;
-#ifdef BFD_ASSEMBLER
- flagword applicable;
-#endif
-
- need_pass_2 = 0;
-
-#ifndef BFD_ASSEMBLER
-#ifdef MANY_SEGMENTS
- {
- unsigned int i;
- for (i = SEG_E0; i < SEG_UNKNOWN; i++)
- segment_info[i].fix_root = 0;
- }
- /* Create the three fixed ones. */
- {
- segT seg;
-
-#ifdef TE_APOLLO
- seg = subseg_new (".wtext", 0);
-#else
- seg = subseg_new (".text", 0);
-#endif
- assert (seg == SEG_E0);
- seg = subseg_new (".data", 0);
- assert (seg == SEG_E1);
- seg = subseg_new (".bss", 0);
- assert (seg == SEG_E2);
-#ifdef TE_APOLLO
- create_target_segments ();
-#endif
- }
-
-#else /* not MANY_SEGMENTS */
- text_fix_root = NULL;
- data_fix_root = NULL;
- bss_fix_root = NULL;
-#endif /* not MANY_SEGMENTS */
-#else /* BFD_ASSEMBLER */
- /* Create the standard sections, and those the assembler uses
- internally. */
- text_section = subseg_new (TEXT_SECTION_NAME, 0);
- data_section = subseg_new (DATA_SECTION_NAME, 0);
- bss_section = subseg_new (BSS_SECTION_NAME, 0);
- /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed
- to have relocs, otherwise we don't find out in time. */
- applicable = bfd_applicable_section_flags (stdoutput);
- bfd_set_section_flags (stdoutput, text_section,
- applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_CODE | SEC_READONLY));
- bfd_set_section_flags (stdoutput, data_section,
- applicable & (SEC_ALLOC | SEC_LOAD | SEC_RELOC
- | SEC_DATA));
- bfd_set_section_flags (stdoutput, bss_section, applicable & SEC_ALLOC);
- seg_info (bss_section)->bss = 1;
- subseg_new (BFD_ABS_SECTION_NAME, 0);
- subseg_new (BFD_UND_SECTION_NAME, 0);
- reg_section = subseg_new ("*GAS `reg' section*", 0);
- expr_section = subseg_new ("*GAS `expr' section*", 0);
-
-#endif /* BFD_ASSEMBLER */
-
- subseg_set (text_section, 0);
-
- /* This may add symbol table entries, which requires having an open BFD,
- and sections already created, in BFD_ASSEMBLER mode. */
- md_begin ();
-
-#ifdef obj_begin
- obj_begin ();
-#endif
-
- /* Skip argv[0]. */
- argv++;
- argc--;
-
- while (argc--)
- {
- if (*argv)
- { /* Is it a file-name argument? */
- PROGRESS (1);
- saw_a_file++;
- /* argv->"" if stdin desired, else->filename */
- read_a_source_file (*argv);
- }
- argv++; /* completed that argv */
- }
- if (!saw_a_file)
- read_a_source_file ("");
-}
-
-/* The interface between the macro code and gas expression handling. */
-
-static int
-macro_expr (emsg, idx, in, val)
- const char *emsg;
- int idx;
- sb *in;
- int *val;
-{
- char *hold;
- expressionS ex;
-
- sb_terminate (in);
-
- hold = input_line_pointer;
- input_line_pointer = in->ptr + idx;
- expression (&ex);
- idx = input_line_pointer - in->ptr;
- input_line_pointer = hold;
-
- if (ex.X_op != O_constant)
- as_bad ("%s", emsg);
-
- *val = (int) ex.X_add_number;
-
- return idx;
-}
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