/* as.c - GAS main program.
- Copyright (C) 1987, 1990, 1991, 1992 Free Software Foundation, Inc.
+ Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 1996
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*
* Main program for AS; a 32-bit assembler of GNU.
*
*/
-#include <stdio.h>
-#include <string.h>
-
-#ifdef _POSIX_SOURCE
-#include <sys/types.h> /* For pid_t in signal.h */
-#endif
-#include <signal.h>
+#include "ansidecl.h"
+#include "libiberty.h"
#define COMMON
#include "as.h"
-#include "config.h"
#include "subsegs.h"
#include "output-file.h"
+#include "sb.h"
+#include "macro.h"
-#ifndef SIGTY
-#ifdef __STDC__
-#define SIGTY void
-#else
-#define SIGTY int
-#endif /* __STDC__ */
-#endif /* SIGTY */
-
-#if 0
-/* Not currently used. */
-static SIGTY got_sig PARAMS ((int sig));
-#endif
static void perform_an_assembly_pass PARAMS ((int argc, char **argv));
-
-#ifndef EXIT_SUCCESS
-#define EXIT_SUCCESS 0
-#define EXIT_FAILURE 1
-#endif
+static int macro_expr PARAMS ((const char *, int, sb *, int *));
int listing; /* true if a listing is wanted */
+static char *listing_filename = NULL; /* Name of listing file. */
+
+/* Maximum level of macro nesting. */
+
+int max_macro_nest = 100;
+
char *myname; /* argv[0] */
#ifdef BFD_ASSEMBLER
segT reg_section, expr_section;
segT text_section, data_section, bss_section;
#endif
+
+int chunksize = 5000;
+
+/* 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;
+
\f
void
print_version_id ()
fprintf (stderr, "\n");
}
-int
-main (argc, argv)
+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\
+ d omit debugging directives\n\
+ h include high-level source\n\
+ l include assembly\n\
+ n omit forms processing\n\
+ s include symbols\n\
+ =file set listing file name (must be last sub-option)\n");
+ fprintf (stream, "\
+-D produce assembler debugging messages\n\
+--defsym SYM=VAL define symbol SYM to given value\n\
+-f skip whitespace and comment preprocessing\n\
+--help show this message and exit\n\
+-I DIR add DIR to search list for .include directives\n\
+-J don't warn about signed overflow\n\
+-K warn when differences altered for long displacements\n\
+-L keep local symbols (starting with `L')\n");
+ fprintf (stream, "\
+-M,--mri assemble in MRI compatibility mode\n\
+-nocpp ignored\n\
+-o OBJFILE name the object-file output OBJFILE (default a.out)\n\
+-R fold data section into text section\n\
+--statistics print various measured statistics from execution\n\
+--version print assembler version number and exit\n\
+-W suppress warnings\n\
+-w ignored\n\
+-X ignored\n\
+-Z generate object file even after errors\n");
+
+ md_show_usage (stream);
+}
+
+#ifdef USE_EMULATIONS
+#define EMULATION_ENVIRON "AS_EMULATION"
+
+extern struct emulation mipsbelf, mipslelf, mipself;
+extern struct emulation mipsbecoff, mipslecoff, mipsecoff;
+
+static struct emulation *const emulations[] = { EMULATIONS };
+static const int n_emulations = sizeof (emulations) / sizeof (emulations[0]);
+
+static void
+select_emulation_mode (argc, argv)
int argc;
char **argv;
{
- int work_argc; /* variable copy of argc */
- char **work_argv; /* variable copy of argv */
- char *arg; /* an arg to program */
- char a; /* an arg flag (after -) */
+ int i;
+ char *p, *em = 0;
-#if 0 /* do we need any of this?? */
- {
- static const int sig[] = {SIGHUP, SIGINT, SIGPIPE, SIGTERM, 0};
+ for (i = 1; i < argc; i++)
+ if (!strncmp ("--em", argv[i], 4))
+ break;
- for (a = 0; sig[a] != 0; a++)
- if (signal (sig[a], SIG_IGN) != SIG_IGN)
- signal (sig[a], got_sig);
- }
-#endif
+ if (i == argc)
+ goto do_default;
- myname = argv[0];
- memset (flagseen, '\0', sizeof (flagseen)); /* aint seen nothing yet */
-#ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME
-#define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out"
-#endif
- out_file_name = OBJ_DEFAULT_OUTPUT_FILE_NAME;
+ p = strchr (argv[i], '=');
+ if (p)
+ p++;
+ else
+ p = argv[i+1];
-#ifdef BFD_ASSEMBLER
- bfd_init ();
+ 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
- symbol_begin ();
- subsegs_begin ();
- read_begin ();
- input_scrub_begin ();
- frag_init ();
- /*
- * Parse arguments, but we are only interested in flags.
- * When we find a flag, we process it then make it's argv[] NULL.
- * This helps any future argv[] scanners avoid what we processed.
- * 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.
- */
- /* FIXME-SOMEDAY this should use getopt. */
- work_argc = argc - 1; /* don't count argv[0] */
- work_argv = argv + 1; /* skip argv[0] */
- for (; work_argc--; work_argv++)
+/*
+ * 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
+ */
+
+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[] =
{
- arg = *work_argv; /* work_argv points to this argument */
+ '-', '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',
+ '\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},
+ {"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}
+ };
+
+ /* Construct the option lists from the standard list and the
+ target dependent list. */
+ shortopts = concat (std_shortopts, md_shortopts, (char *) NULL);
+ longopts = (struct option *) xmalloc (sizeof (std_longopts) + md_longopts_size);
+ memcpy (longopts, std_longopts, sizeof (std_longopts));
+ memcpy ((char *) longopts + sizeof (std_longopts),
+ md_longopts, md_longopts_size);
+
+ /* 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;
- if (*arg != '-') /* Filename. We need it later. */
- continue; /* Keep scanning args looking for flags. */
- if (arg[1] == '-' && arg[2] == 0)
+ switch (optc)
{
- /* "--" as an argument means read STDIN */
- /* on this scan, we don't want to think about filenames */
- *work_argv = ""; /* Code that means 'use stdin'. */
- continue;
- }
- /* This better be a switch. */
- arg++; /*->letter. */
-
- while ((a = *arg) != '\0')
- { /* scan all the 1-char flags */
- arg++; /* arg->after letter. */
- a &= 0x7F; /* ascii only please */
- flagseen[(unsigned char) a] = 1;
- switch (a)
+ 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')
{
- case 'a':
- {
- int loop = 1;
-
- while (loop)
- {
- switch (*arg)
- {
- case 'l':
- listing |= LISTING_LISTING;
- arg++;
- break;
- case 's':
- listing |= LISTING_SYMBOLS;
- arg++;
- break;
- case 'h':
- listing |= LISTING_HLL;
- arg++;
- break;
-
- case 'n':
- listing |= LISTING_NOFORM;
- arg++;
- break;
- case 'd':
- listing |= LISTING_NODEBUG;
- arg++;
- break;
- default:
- if (!listing)
- listing = LISTING_DEFAULT;
- loop = 0;
- break;
- }
- }
- }
-
+#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;
+ }
+ /*FALLTHRU*/
+ case '?':
+ exit (EXIT_FAILURE);
- case 'f':
- break; /* -f means fast - no need for "app" preprocessor. */
+ case 1: /* File name. */
+ if (!strcmp (optarg, "-"))
+ optarg = "";
+ new_argv[new_argc++] = optarg;
+ new_argv[new_argc] = NULL;
+ break;
- case 'D':
- /* DEBUG is implemented: it debugs different */
- /* things to other people's assemblers. */
- break;
+ case OPTION_HELP:
+ show_usage (stdout);
+ exit (EXIT_SUCCESS);
- case 'I':
- { /* Include file directory */
-
- char *temp = NULL;
- if (*arg)
- {
- temp = strdup (arg);
- if (!temp)
- as_fatal ("virtual memory exhausted");
- }
- else if (work_argc)
- {
- *work_argv = NULL;
- work_argc--;
- temp = *++work_argv;
- }
- else
- as_warn ("%s: I expected a filename after -I", myname);
- add_include_dir (temp);
- arg = ""; /* Finished with this arg. */
- break;
- }
-
-#ifdef WARN_SIGNED_OVERFLOW_WORD
- /* Don't warn about signed overflow. */
- case 'J':
- break;
+ case OPTION_NOCPP:
+ break;
+
+ case OPTION_STATISTICS:
+ flag_print_statistics = 1;
+ break;
+
+ case OPTION_VERSION:
+ print_version_id ();
+ 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;
+ long i;
+ symbolS *sym;
+
+ for (s = optarg; *s != '\0' && *s != '='; s++)
+ ;
+ if (*s == '\0')
+ as_fatal ("bad defsym; format is --defsym name=value");
+ *s++ = '\0';
+ i = strtol (s, (char **) NULL, 0);
+ sym = symbol_new (optarg, absolute_section, (valueT) i,
+ &zero_address_frag);
+ symbol_table_insert (sym);
+ }
+ break;
+
+ case 'J':
+ flag_signed_overflow_ok = 1;
+ break;
#ifndef WORKING_DOT_WORD
- case 'K':
- break;
+ case 'K':
+ flag_warn_displacement = 1;
+ break;
#endif
- case 'L': /* -L means keep L* symbols */
- break;
+ case 'L':
+ flag_keep_locals = 1;
+ break;
- case 'o':
- if (*arg) /* Rest of argument is object file-name. */
- {
- out_file_name = strdup (arg);
- if (!out_file_name)
- as_fatal ("virtual memory exhausted");
- }
- else if (work_argc)
- { /* Want next arg for a file-name. */
- *work_argv = NULL; /* This is not a file-name. */
- work_argc--;
- out_file_name = *++work_argv;
- }
- else
- as_warn ("%s: I expected a filename after -o. \"%s\" assumed.",
- myname, out_file_name);
- arg = ""; /* Finished with this arg. */
- break;
+ case 'M':
+ flag_mri = 1;
+#ifdef TC_M68K
+ flag_m68k_mri = 1;
+#endif
+ break;
- case 'R':
- /* -R means put data into text segment */
- flag_readonly_data_in_text = 1;
- break;
+ case 'R':
+ flag_readonly_data_in_text = 1;
+ break;
+
+ case 'W':
+ flag_no_warnings = 1;
+ break;
- case 'v':
-#ifdef VMS
- {
- extern char *compiler_version_string;
- compiler_version_string = arg;
- }
-#else /* not VMS */
- if (*arg && strcmp (arg, "ersion"))
+ case 'Z':
+ flag_always_generate_output = 1;
+ break;
+
+ case 'a':
+ if (optarg)
+ {
+ while (*optarg)
{
- as_warn ("Unknown option `-v%s' ignored", arg);
- arg += strlen (arg);
- break;
+ switch (*optarg)
+ {
+ case 'd':
+ listing |= LISTING_NODEBUG;
+ break;
+ case 'h':
+ listing |= LISTING_HLL;
+ break;
+ case 'l':
+ listing |= LISTING_LISTING;
+ 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;
+ }
+ }
- print_version_id ();
-#endif /* not VMS */
- while (*arg)
- arg++; /* Skip the rest */
- break;
+ free (shortopts);
+ free (longopts);
- case 'W':
- /* -W means don't warn about things */
- flag_suppress_warnings = 1;
- break;
+ *pargc = new_argc;
+ *pargv = new_argv;
+}
- case 'w':
- case 'X':
- /* -X means treat warnings as errors */
- break;
- case 'Z':
- /* -Z means attempt to generate object file even after errors. */
- flag_always_generate_output = 1;
- break;
+static void dump_statistics ();
+static long start_time;
- default:
- --arg;
- if (md_parse_option (&arg, &work_argc, &work_argv) == 0)
- as_warn ("%s: I don't understand '%c' flag.", myname, a);
- if (arg && *arg)
- arg++;
- break;
- }
- }
- /*
- * We have just processed a "-..." arg, which was not a
- * file-name. Smash it so the
- * things that look for filenames won't ever see it.
- *
- * Whatever work_argv points to, it has already been used
- * as part of a flag, so DON'T re-use it as a filename.
- */
- *work_argv = NULL; /* NULL means 'not a file-name' */
+int
+main (argc, argv)
+ int argc;
+ char **argv;
+{
+ int macro_alternate;
+ int macro_strip_at;
+ int keep_it;
+
+ start_time = get_run_time ();
+
+ 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
- /* Here with flags set up in flagseen[]. */
- perform_an_assembly_pass (argc, argv); /* Assemble it. */
-#ifdef TC_I960
- brtab_emit ();
+#ifdef tc_init_after_args
+ tc_init_after_args ();
#endif
-#ifndef NO_LISTING
- listing_print ("");
+ PROGRESS (1);
+
+ perform_an_assembly_pass (argc, argv); /* Assemble it. */
+
+#ifdef md_end
+ md_end ();
#endif
if (seen_at_least_1_file ()
&& !((had_warnings () && flag_always_generate_output)
|| had_errors () > 0))
- {
- write_object_file (); /* relax() addresses then emit object file */
- } /* we also check in write_object_file() just before emit. */
-#ifdef BFD_ASSEMBLER
+ keep_it = 1;
else
- {
- output_file_close (out_file_name);
- unlink (out_file_name);
- }
+ keep_it = 0;
+
+ 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 (!keep_it)
+ unlink (out_file_name);
+
input_scrub_end ();
- md_end (); /* MACHINE.c */
- if ((had_warnings () && flagseen['Z'])
+ 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_warnings () && flag_always_generate_output)
|| had_errors () > 0)
- return EXIT_FAILURE;
- return EXIT_SUCCESS;
+ xexit (EXIT_FAILURE);
+ xexit (EXIT_SUCCESS);
+}
+
+static void
+dump_statistics ()
+{
+ extern char **environ;
+#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
}
\f
{
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 */
{
if (*argv)
{ /* Is it a file-name argument? */
+ PROGRESS (1);
saw_a_file++;
/* argv->"" if stdin desired, else->filename */
read_a_source_file (*argv);
if (!saw_a_file)
read_a_source_file ("");
} /* perform_an_assembly_pass() */
-\f
-#if 0
-/* This is not currently used. */
-static SIGTY
-got_sig (sig)
- int sig;
+
+/* 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;
{
- static here_before = 0;
+ char *hold;
+ expressionS ex;
- as_bad ("Interrupted by signal %d", sig);
- if (here_before++)
- exit (EXIT_FAILURE);
-#if 0 /* If SIGTY is void, this produces warnings. */
- return ((SIGTY) 0);
-#endif
+ 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;
}
-#endif
/* end of as.c */
projects / deliverable / binutils-gdb.git / blobdiff