1 /* as.c - GAS main program.
2 Copyright (C) 1987, 90, 91, 92, 93, 94, 95, 96, 97, 98, 1999
3 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 * Main program for AS; a 32-bit assembler of GNU.
24 * Understands command arguments.
25 * Has a few routines that don't fit in other modules because they
32 * Since no-one else says they will support them in future: I
33 * don't support them now.
43 #include "output-file.h"
50 #define itbl_parse(itbl_file) 1
55 #ifdef NEED_DECLARATION_SBRK
60 static void show_usage
PARAMS ((FILE *));
61 static void parse_args
PARAMS ((int *, char ***));
62 static void dump_statistics
PARAMS ((void));
63 static void perform_an_assembly_pass
PARAMS ((int argc
, char **argv
));
64 static int macro_expr
PARAMS ((const char *, int, sb
*, int *));
66 int listing
; /* true if a listing is wanted */
68 static char *listing_filename
= NULL
; /* Name of listing file. */
70 /* Type of debugging to generate. */
72 enum debug_info_type debug_type
= DEBUG_NONE
;
74 /* Maximum level of macro nesting. */
76 int max_macro_nest
= 100;
78 char *myname
; /* argv[0] */
80 segT reg_section
, expr_section
;
81 segT text_section
, data_section
, bss_section
;
84 /* The default obstack chunk size. If we set this to zero, the
85 obstack code will use whatever will fit in a 4096 byte block. */
88 /* To monitor memory allocation more effectively, make this non-zero.
89 Then the chunk sizes for gas and bfd will be reduced. */
92 /* We build a list of defsyms as we read the options, and then define
93 them after we have initialized everything. */
97 struct defsym_list
*next
;
102 static struct defsym_list
*defsyms
;
104 /* Keep a record of the itbl files we read in. */
106 struct itbl_file_list
108 struct itbl_file_list
*next
;
112 static struct itbl_file_list
*itbl_files
;
123 fprintf (stderr
, _("GNU assembler version %s (%s) using BFD version %s"),
124 VERSION
, TARGET_ALIAS
, BFD_VERSION
);
126 fprintf (stderr
, _("GNU assembler version %s (%s)"), VERSION
, TARGET_ALIAS
);
128 fprintf (stderr
, "\n");
135 fprintf (stream
, _("Usage: %s [option...] [asmfile...]\n"), myname
);
137 fprintf (stream
, _("\
139 -a[sub-option...] turn on listings\n\
140 Sub-options [default hls]:\n\
141 c omit false conditionals\n\
142 d omit debugging directives\n\
143 h include high-level source\n\
144 l include assembly\n\
145 m include macro expansions\n\
146 n omit forms processing\n\
148 L include line debug statistics (if applicable)\n\
149 =file set listing file name (must be last sub-option)\n"));
151 fprintf (stream
, _("\
152 -D produce assembler debugging messages\n\
153 --defsym SYM=VAL define symbol SYM to given value\n\
154 -f skip whitespace and comment preprocessing\n\
155 --gstabs generate stabs debugging information\n\
156 --gdwarf2 generate DWARF2 debugging information\n\
157 --help show this message and exit\n\
158 -I DIR add DIR to search list for .include directives\n\
159 -J don't warn about signed overflow\n\
160 -K warn when differences altered for long displacements\n\
161 -L,--keep-locals keep local symbols (e.g. starting with `L')\n"));
163 fprintf (stream
, _("\
164 -M,--mri assemble in MRI compatibility mode\n\
165 --MD FILE write dependency information in FILE (default none)\n\
167 -o OBJFILE name the object-file output OBJFILE (default a.out)\n\
168 -R fold data section into text section\n\
169 --statistics print various measured statistics from execution\n\
170 --strip-local-absolute strip local absolute symbols\n\
171 --traditional-format Use same format as native assembler when possible\n\
172 --version print assembler version number and exit\n\
173 -W suppress warnings\n\
174 --itbl INSTTBL extend instruction set to include instructions\n\
175 matching the specifications defined in file INSTTBL\n\
178 -Z generate object file even after errors\n"));
180 fprintf (stream
, _("\
181 --listing-lhs-width set the width in words of the output data column of\n\
183 --listing-lhs-width2 set the width in words of the continuation lines\n\
184 of the output data column; ignored if smaller than\n\
185 the width of the first line\n\
186 --listing-rhs-width set the max width in characters of the lines from\n\
188 --listing-cont-lines set the maximum number of continuation lines used\n\
189 for the output data column of the listing\n"));
191 md_show_usage (stream
);
193 fprintf (stream
, _("\nReport bugs to bug-gnu-utils@gnu.org\n"));
196 #ifdef USE_EMULATIONS
197 #define EMULATION_ENVIRON "AS_EMULATION"
199 extern struct emulation mipsbelf
, mipslelf
, mipself
;
200 extern struct emulation mipsbecoff
, mipslecoff
, mipsecoff
;
201 extern struct emulation i386coff
, i386elf
;
203 static struct emulation
*const emulations
[] = { EMULATIONS
};
204 static const int n_emulations
= sizeof (emulations
) / sizeof (emulations
[0]);
206 static void select_emulation_mode
PARAMS ((int, char **));
209 select_emulation_mode (argc
, argv
)
216 for (i
= 1; i
< argc
; i
++)
217 if (!strncmp ("--em", argv
[i
], 4))
223 p
= strchr (argv
[i
], '=');
230 as_fatal (_("missing emulation mode name"));
235 em
= getenv (EMULATION_ENVIRON
);
237 em
= DEFAULT_EMULATION
;
241 for (i
= 0; i
< n_emulations
; i
++)
242 if (!strcmp (emulations
[i
]->name
, em
))
244 if (i
== n_emulations
)
245 as_fatal (_("unrecognized emulation name `%s'"), em
);
246 this_emulation
= emulations
[i
];
249 this_emulation
= emulations
[0];
251 this_emulation
->init ();
255 default_emul_bfd_name ()
264 this_format
= this_emulation
->format
;
266 if (this_emulation
->leading_underscore
== 2)
267 this_emulation
->leading_underscore
= this_format
->dfl_leading_underscore
;
269 if (this_emulation
->default_endian
!= 2)
270 target_big_endian
= this_emulation
->default_endian
;
272 if (this_emulation
->fake_label_name
== 0)
274 if (this_emulation
->leading_underscore
)
275 this_emulation
->fake_label_name
= "L0\001";
277 /* What other parameters should we test? */
278 this_emulation
->fake_label_name
= ".L0\001";
284 * Since it is easy to do here we interpret the special arg "-"
285 * to mean "use stdin" and we set that argv[] pointing to "".
286 * After we have munged argv[], the only things left are source file
287 * name(s) and ""(s) denoting stdin. These file names are used
288 * (perhaps more than once) later.
290 * check for new machine-dep cmdline options in
291 * md_parse_option definitions in config/tc-*.c
295 parse_args (pargc
, pargv
)
299 int old_argc
, new_argc
;
300 char **old_argv
, **new_argv
;
302 /* Starting the short option string with '-' is for programs that
303 expect options and other ARGV-elements in any order and that care about
304 the ordering of the two. We describe each non-option ARGV-element
305 as if it were the argument of an option with character code 1. */
308 extern CONST
char *md_shortopts
;
309 static const char std_shortopts
[] =
312 #ifndef WORKING_DOT_WORD
313 /* -K is not meaningful if .word is not being hacked. */
316 'L', 'M', 'R', 'W', 'Z', 'f', 'a', ':', ':', 'D', 'I', ':', 'o', ':',
318 /* -v takes an argument on VMS, so we don't make it a generic
323 /* New option for extending instruction set (see also --itbl below) */
327 struct option
*longopts
;
328 extern struct option md_longopts
[];
329 extern size_t md_longopts_size
;
330 static const struct option std_longopts
[] = {
331 #define OPTION_HELP (OPTION_STD_BASE)
332 {"help", no_argument
, NULL
, OPTION_HELP
},
333 {"keep-locals", no_argument
, NULL
, 'L'},
334 {"mri", no_argument
, NULL
, 'M'},
335 #define OPTION_NOCPP (OPTION_STD_BASE + 1)
336 {"nocpp", no_argument
, NULL
, OPTION_NOCPP
},
337 #define OPTION_STATISTICS (OPTION_STD_BASE + 2)
338 {"statistics", no_argument
, NULL
, OPTION_STATISTICS
},
339 #define OPTION_VERSION (OPTION_STD_BASE + 3)
340 {"version", no_argument
, NULL
, OPTION_VERSION
},
341 #define OPTION_DUMPCONFIG (OPTION_STD_BASE + 4)
342 {"dump-config", no_argument
, NULL
, OPTION_DUMPCONFIG
},
343 #define OPTION_VERBOSE (OPTION_STD_BASE + 5)
344 {"verbose", no_argument
, NULL
, OPTION_VERBOSE
},
345 #define OPTION_EMULATION (OPTION_STD_BASE + 6)
346 {"emulation", required_argument
, NULL
, OPTION_EMULATION
},
347 #define OPTION_DEFSYM (OPTION_STD_BASE + 7)
348 {"defsym", required_argument
, NULL
, OPTION_DEFSYM
},
349 #define OPTION_INSTTBL (OPTION_STD_BASE + 8)
350 /* New option for extending instruction set (see also -t above).
351 The "-t file" or "--itbl file" option extends the basic set of
352 valid instructions by reading "file", a text file containing a
353 list of instruction formats. The additional opcodes and their
354 formats are added to the built-in set of instructions, and
355 mnemonics for new registers may also be defined. */
356 {"itbl", required_argument
, NULL
, OPTION_INSTTBL
},
357 #define OPTION_LISTING_LHS_WIDTH (OPTION_STD_BASE + 9)
358 {"listing-lhs-width", required_argument
, NULL
, OPTION_LISTING_LHS_WIDTH
},
359 #define OPTION_LISTING_LHS_WIDTH2 (OPTION_STD_BASE + 10)
360 {"listing-lhs-width", required_argument
, NULL
, OPTION_LISTING_LHS_WIDTH2
},
361 #define OPTION_LISTING_RHS_WIDTH (OPTION_STD_BASE + 11)
362 {"listing-rhs-width", required_argument
, NULL
, OPTION_LISTING_RHS_WIDTH
},
363 #define OPTION_LISTING_CONT_LINES (OPTION_STD_BASE + 12)
364 {"listing-cont-lines", required_argument
, NULL
, OPTION_LISTING_CONT_LINES
},
365 #define OPTION_DEPFILE (OPTION_STD_BASE + 13)
366 {"MD", required_argument
, NULL
, OPTION_DEPFILE
},
367 #define OPTION_GSTABS (OPTION_STD_BASE + 14)
368 {"gstabs", no_argument
, NULL
, OPTION_GSTABS
},
369 #define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 15)
370 {"strip-local-absolute", no_argument
, NULL
, OPTION_STRIP_LOCAL_ABSOLUTE
},
371 #define OPTION_TRADITIONAL_FORMAT (OPTION_STD_BASE + 16)
372 {"traditional-format", no_argument
, NULL
, OPTION_TRADITIONAL_FORMAT
},
373 #define OPTION_GDWARF2 (OPTION_STD_BASE + 17)
374 {"gdwarf2", no_argument
, NULL
, OPTION_GDWARF2
}
377 /* Construct the option lists from the standard list and the
378 target dependent list. */
379 shortopts
= concat (std_shortopts
, md_shortopts
, (char *) NULL
);
380 longopts
= (struct option
*) xmalloc (sizeof (std_longopts
) + md_longopts_size
);
381 memcpy (longopts
, std_longopts
, sizeof (std_longopts
));
382 memcpy ((char *) longopts
+ sizeof (std_longopts
),
383 md_longopts
, md_longopts_size
);
385 /* Make a local copy of the old argv. */
389 /* Initialize a new argv that contains no options. */
390 new_argv
= (char **) xmalloc (sizeof (char *) * (old_argc
+ 1));
391 new_argv
[0] = old_argv
[0];
393 new_argv
[new_argc
] = NULL
;
397 /* getopt_long_only is like getopt_long, but '-' as well as '--' can
398 indicate a long option. */
400 int optc
= getopt_long_only (old_argc
, old_argv
, shortopts
, longopts
,
409 /* md_parse_option should return 1 if it recognizes optc,
411 if (md_parse_option (optc
, optarg
) != 0)
413 /* `-v' isn't included in the general short_opts list, so check for
414 it explicity here before deciding we've gotten a bad argument. */
418 /* Telling getopt to treat -v's value as optional can result
419 in it picking up a following filename argument here. The
420 VMS code in md_parse_option can return 0 in that case,
421 but it has no way of pushing the filename argument back. */
422 if (optarg
&& *optarg
)
423 new_argv
[new_argc
++] = optarg
, new_argv
[new_argc
] = NULL
;
437 case 1: /* File name. */
438 if (!strcmp (optarg
, "-"))
440 new_argv
[new_argc
++] = optarg
;
441 new_argv
[new_argc
] = NULL
;
451 case OPTION_STATISTICS
:
452 flag_print_statistics
= 1;
455 case OPTION_STRIP_LOCAL_ABSOLUTE
:
456 flag_strip_local_absolute
= 1;
459 case OPTION_TRADITIONAL_FORMAT
:
460 flag_traditional_format
= 1;
464 /* This output is intended to follow the GNU standards document. */
465 printf (_("GNU assembler %s\n"), VERSION
);
466 printf (_("Copyright 1997 Free Software Foundation, Inc.\n"));
468 This program is free software; you may redistribute it under the terms of\n\
469 the GNU General Public License. This program has absolutely no warranty.\n"));
470 printf (_("This assembler was configured for a target of `%s'.\n"),
474 case OPTION_EMULATION
:
475 #ifdef USE_EMULATIONS
476 if (strcmp (optarg
, this_emulation
->name
))
477 as_fatal (_("multiple emulation names specified"));
479 as_fatal (_("emulations not handled in this configuration"));
483 case OPTION_DUMPCONFIG
:
484 fprintf (stderr
, _("alias = %s\n"), TARGET_ALIAS
);
485 fprintf (stderr
, _("canonical = %s\n"), TARGET_CANONICAL
);
486 fprintf (stderr
, _("cpu-type = %s\n"), TARGET_CPU
);
487 #ifdef TARGET_OBJ_FORMAT
488 fprintf (stderr
, _("format = %s\n"), TARGET_OBJ_FORMAT
);
491 fprintf (stderr
, _("bfd-target = %s\n"), TARGET_FORMAT
);
499 struct defsym_list
*n
;
501 for (s
= optarg
; *s
!= '\0' && *s
!= '='; s
++)
504 as_fatal (_("bad defsym; format is --defsym name=value"));
506 i
= strtol (s
, (char **) NULL
, 0);
507 n
= (struct defsym_list
*) xmalloc (sizeof *n
);
518 /* optarg is the name of the file containing the instruction
519 formats, opcodes, register names, etc. */
520 struct itbl_file_list
*n
;
524 as_warn ( _("No file name following -t option\n") );
528 n
= (struct itbl_file_list
*) xmalloc (sizeof *n
);
529 n
->next
= itbl_files
;
533 /* Parse the file and add the new instructions to our internal
534 table. If multiple instruction tables are specified, the
535 information from this table gets appended onto the existing
537 itbl_files
->name
= xstrdup (optarg
);
538 if (itbl_parse (itbl_files
->name
) != 0)
540 fprintf (stderr
, _("Failed to read instruction table %s\n"),
548 start_dependencies (optarg
);
552 debug_type
= DEBUG_STABS
;
556 debug_type
= DEBUG_DWARF2
;
560 flag_signed_overflow_ok
= 1;
563 #ifndef WORKING_DOT_WORD
565 flag_warn_displacement
= 1;
570 flag_keep_locals
= 1;
573 case OPTION_LISTING_LHS_WIDTH
:
574 listing_lhs_width
= atoi(optarg
);
575 if (listing_lhs_width_second
< listing_lhs_width
)
576 listing_lhs_width_second
= listing_lhs_width
;
578 case OPTION_LISTING_LHS_WIDTH2
:
580 int tmp
= atoi(optarg
);
581 if (tmp
> listing_lhs_width
)
582 listing_lhs_width_second
= tmp
;
585 case OPTION_LISTING_RHS_WIDTH
:
586 listing_rhs_width
= atoi(optarg
);
588 case OPTION_LISTING_CONT_LINES
:
589 listing_lhs_cont_lines
= atoi(optarg
);
600 flag_readonly_data_in_text
= 1;
604 flag_no_warnings
= 1;
608 flag_always_generate_output
= 1;
619 listing
|= LISTING_NOCOND
;
622 listing
|= LISTING_NODEBUG
;
625 listing
|= LISTING_HLL
;
628 listing
|= LISTING_LISTING
;
631 listing
|= LISTING_MACEXP
;
634 listing
|= LISTING_NOFORM
;
637 listing
|= LISTING_SYMBOLS
;
640 listing_filename
= xstrdup (optarg
+ 1);
641 optarg
+= strlen (listing_filename
);
644 as_fatal (_("invalid listing option `%c'"), *optarg
);
651 listing
= LISTING_DEFAULT
;
655 /* DEBUG is implemented: it debugs different */
656 /* things from other people's assemblers. */
661 flag_no_comments
= 1;
665 { /* Include file directory */
666 char *temp
= xstrdup (optarg
);
667 add_include_dir (temp
);
672 out_file_name
= xstrdup (optarg
);
679 /* -X means treat warnings as errors */
691 static long start_time
;
702 start_time
= get_run_time ();
704 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
705 setlocale (LC_MESSAGES
, "");
707 bindtextdomain (PACKAGE
, LOCALEDIR
);
708 textdomain (PACKAGE
);
713 extern long _bfd_chunksize
;
719 #ifdef HOST_SPECIAL_INIT
720 HOST_SPECIAL_INIT (argc
, argv
);
724 xmalloc_set_program_name (myname
);
726 START_PROGRESS (myname
, 0);
728 #ifndef OBJ_DEFAULT_OUTPUT_FILE_NAME
729 #define OBJ_DEFAULT_OUTPUT_FILE_NAME "a.out"
732 out_file_name
= OBJ_DEFAULT_OUTPUT_FILE_NAME
;
737 bfd_set_error_program_name (myname
);
740 #ifdef USE_EMULATIONS
741 select_emulation_mode (argc
, argv
);
748 parse_args (&argc
, &argv
);
750 input_scrub_begin ();
753 if (flag_print_statistics
)
754 xatexit (dump_statistics
);
759 macro_strip_at
= flag_mri
;
762 /* For compatibility with the AMD 29K family macro assembler
768 macro_init (macro_alternate
, flag_mri
, macro_strip_at
, macro_expr
);
773 output_file_create (out_file_name
);
774 assert (stdoutput
!= 0);
777 #ifdef tc_init_after_args
778 tc_init_after_args ();
783 /* Now that we have fully initialized, and have created the output
784 file, define any symbols requested by --defsym command line
786 while (defsyms
!= NULL
)
789 struct defsym_list
*next
;
791 sym
= symbol_new (defsyms
->name
, absolute_section
, defsyms
->value
,
793 symbol_table_insert (sym
);
794 next
= defsyms
->next
;
801 perform_an_assembly_pass (argc
, argv
); /* Assemble it. */
803 cond_finish_check (-1);
809 if (seen_at_least_1_file ()
810 && (flag_always_generate_output
|| had_errors () == 0))
815 #if defined (BFD_ASSEMBLER) || !defined (BFD)
816 /* This used to be done at the start of write_object_file in
817 write.c, but that caused problems when doing listings when
818 keep_it was zero. This could probably be moved above md_end, but
819 I didn't want to risk the change. */
824 write_object_file ();
827 listing_print (listing_filename
);
830 #ifndef OBJ_VMS /* does its own file handling */
831 #ifndef BFD_ASSEMBLER
834 output_file_close (out_file_name
);
837 if (had_errors () > 0 && ! flag_always_generate_output
)
841 unlink (out_file_name
);
845 END_PROGRESS (myname
);
847 /* Use xexit instead of return, because under VMS environments they
848 may not place the same interpretation on the value given. */
849 if (had_errors () > 0)
850 xexit (EXIT_FAILURE
);
852 /* Only generate dependency file if assembler was successful. */
853 print_dependencies ();
855 xexit (EXIT_SUCCESS
);
862 char *lim
= (char *) sbrk (0);
864 long run_time
= get_run_time () - start_time
;
866 fprintf (stderr
, _("%s: total time in assembly: %ld.%06ld\n"),
867 myname
, run_time
/ 1000000, run_time
% 1000000);
869 fprintf (stderr
, _("%s: data size %ld\n"),
870 myname
, (long) (lim
- (char *) &environ
));
873 subsegs_print_statistics (stderr
);
874 write_print_statistics (stderr
);
875 symbol_print_statistics (stderr
);
876 read_print_statistics (stderr
);
878 #ifdef tc_print_statistics
879 tc_print_statistics (stderr
);
881 #ifdef obj_print_statistics
882 obj_print_statistics (stderr
);
887 /* perform_an_assembly_pass()
889 * Here to attempt 1 pass over each input file.
890 * We scan argv[*] looking for filenames or exactly "" which is
891 * shorthand for stdin. Any argv that is NULL is not a file-name.
892 * We set need_pass_2 TRUE if, after this, we still have unresolved
893 * expressions of the form (unknown value)+-(unknown value).
895 * Note the un*x semantics: there is only 1 logical input file, but it
896 * may be a catenation of many 'physical' input files.
899 perform_an_assembly_pass (argc
, argv
)
910 #ifndef BFD_ASSEMBLER
914 for (i
= SEG_E0
; i
< SEG_UNKNOWN
; i
++)
915 segment_info
[i
].fix_root
= 0;
917 /* Create the three fixed ones */
922 seg
= subseg_new (".wtext", 0);
924 seg
= subseg_new (".text", 0);
926 assert (seg
== SEG_E0
);
927 seg
= subseg_new (".data", 0);
928 assert (seg
== SEG_E1
);
929 seg
= subseg_new (".bss", 0);
930 assert (seg
== SEG_E2
);
932 create_target_segments ();
936 #else /* not MANY_SEGMENTS */
937 text_fix_root
= NULL
;
938 data_fix_root
= NULL
;
940 #endif /* not MANY_SEGMENTS */
941 #else /* BFD_ASSEMBLER */
942 /* Create the standard sections, and those the assembler uses
944 text_section
= subseg_new (TEXT_SECTION_NAME
, 0);
945 data_section
= subseg_new (DATA_SECTION_NAME
, 0);
946 bss_section
= subseg_new (BSS_SECTION_NAME
, 0);
947 /* @@ FIXME -- we're setting the RELOC flag so that sections are assumed
948 to have relocs, otherwise we don't find out in time. */
949 applicable
= bfd_applicable_section_flags (stdoutput
);
950 bfd_set_section_flags (stdoutput
, text_section
,
951 applicable
& (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
952 | SEC_CODE
| SEC_READONLY
));
953 bfd_set_section_flags (stdoutput
, data_section
,
954 applicable
& (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
956 bfd_set_section_flags (stdoutput
, bss_section
, applicable
& SEC_ALLOC
);
957 seg_info (bss_section
)->bss
= 1;
958 subseg_new (BFD_ABS_SECTION_NAME
, 0);
959 subseg_new (BFD_UND_SECTION_NAME
, 0);
960 reg_section
= subseg_new ("*GAS `reg' section*", 0);
961 expr_section
= subseg_new ("*GAS `expr' section*", 0);
963 #endif /* BFD_ASSEMBLER */
965 subseg_set (text_section
, 0);
967 /* This may add symbol table entries, which requires having an open BFD,
968 and sections already created, in BFD_ASSEMBLER mode. */
975 argv
++; /* skip argv[0] */
976 argc
--; /* skip argv[0] */
980 { /* Is it a file-name argument? */
983 /* argv->"" if stdin desired, else->filename */
984 read_a_source_file (*argv
);
986 argv
++; /* completed that argv */
989 read_a_source_file ("");
990 } /* perform_an_assembly_pass() */
992 /* The interface between the macro code and gas expression handling. */
995 macro_expr (emsg
, idx
, in
, val
)
1006 hold
= input_line_pointer
;
1007 input_line_pointer
= in
->ptr
+ idx
;
1009 idx
= input_line_pointer
- in
->ptr
;
1010 input_line_pointer
= hold
;
1012 if (ex
.X_op
!= O_constant
)
1013 as_bad ("%s", emsg
);
1015 *val
= (int) ex
.X_add_number
;