1 /* ----------------------------------------------------------------------- *
3 * Copyright 1996-2013 The NASM Authors - All Rights Reserved
4 * See the file AUTHORS included with the NASM distribution for
5 * the specific copyright holders.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above
14 * copyright notice, this list of conditions and the following
15 * disclaimer in the documentation and/or other materials provided
16 * with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
19 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 * ----------------------------------------------------------------------- */
35 * The Netwide Assembler main program module
61 #include "output/outform.h"
66 * This is the maximum number of optimization passes to do. If we ever
67 * find a case where the optimizer doesn't naturally converge, we might
68 * have to drop this value so the assembler doesn't appear to just hang.
70 #define MAX_OPTIMIZE (INT_MAX >> 1)
72 struct forwrefinfo
{ /* info held on forward refs. */
77 static int get_bits(char *value
);
78 static iflag_t
get_cpu(char *cpu_str
);
79 static void parse_cmdline(int, char **);
80 static void assemble_file(char *, StrList
**);
81 static void nasm_verror_gnu(int severity
, const char *fmt
, va_list args
);
82 static void nasm_verror_vc(int severity
, const char *fmt
, va_list args
);
83 static void nasm_verror_common(int severity
, const char *fmt
, va_list args
);
84 static bool is_suppressed_warning(int severity
);
85 static void usage(void);
87 static int using_debug_info
, opt_verbose_info
;
88 bool tasm_compatible_mode
= false;
93 static time_t official_compile_time
;
95 static char inname
[FILENAME_MAX
];
96 static char outname
[FILENAME_MAX
];
97 static char listname
[FILENAME_MAX
];
98 static char errname
[FILENAME_MAX
];
99 static int globallineno
; /* for forward-reference tracking */
100 /* static int pass = 0; */
101 struct ofmt
*ofmt
= &OF_DEFAULT
;
102 struct ofmt_alias
*ofmt_alias
= NULL
;
103 const struct dfmt
*dfmt
;
105 static FILE *error_file
; /* Where to write error messages */
108 int optimizing
= MAX_OPTIMIZE
; /* number of optimization passes to take */
109 static int sb
, cmd_sb
= 16; /* by default */
112 static iflag_t cmd_cpu
;
114 int64_t global_offset_changed
; /* referenced in labels.c */
115 int64_t prev_offset_changed
;
118 static struct location location
;
119 int in_abs_seg
; /* Flag we are in ABSOLUTE seg */
120 int32_t abs_seg
; /* ABSOLUTE segment basis */
121 int32_t abs_offset
; /* ABSOLUTE offset */
123 static struct RAA
*offsets
;
125 static struct SAA
*forwrefs
; /* keep track of forward references */
126 static const struct forwrefinfo
*forwref
;
128 static struct preproc_ops
*preproc
;
131 op_normal
, /* Preprocess and assemble */
132 op_preprocess
, /* Preprocess only */
133 op_depend
, /* Generate dependencies */
135 static enum op_type operating_mode
;
136 /* Dependency flags */
137 static bool depend_emit_phony
= false;
138 static bool depend_missing_ok
= false;
139 static const char *depend_target
= NULL
;
140 static const char *depend_file
= NULL
;
143 * Which of the suppressible warnings are suppressed. Entry zero
144 * isn't an actual warning, but it used for -w+error/-Werror.
147 static bool warning_on
[ERR_WARN_MAX
+1]; /* Current state */
148 static bool warning_on_global
[ERR_WARN_MAX
+1]; /* Command-line state */
150 static const struct warning
{
154 } warnings
[ERR_WARN_MAX
+1] = {
155 {"error", "treat warnings as errors", false},
156 {"macro-params", "macro calls with wrong parameter count", true},
157 {"macro-selfref", "cyclic macro references", false},
158 {"macro-defaults", "macros with more default than optional parameters", true},
159 {"orphan-labels", "labels alone on lines without trailing `:'", true},
160 {"number-overflow", "numeric constant does not fit", true},
161 {"gnu-elf-extensions", "using 8- or 16-bit relocation in ELF32, a GNU extension", false},
162 {"float-overflow", "floating point overflow", true},
163 {"float-denorm", "floating point denormal", false},
164 {"float-underflow", "floating point underflow", false},
165 {"float-toolong", "too many digits in floating-point number", true},
166 {"user", "%warning directives", true},
167 {"lock", "lock prefix on unlockable instructions", true},
168 {"hle", "invalid hle prefixes", true},
171 static bool want_usage
;
172 static bool terminate_after_phase
;
173 int user_nolist
= 0; /* fbk 9/2/00 */
175 static char *quote_for_make(const char *str
);
177 static int64_t get_curr_offs(void)
179 return in_abs_seg
? abs_offset
: raa_read(offsets
, location
.segment
);
182 static void set_curr_offs(int64_t l_off
)
187 offsets
= raa_write(offsets
, location
.segment
, l_off
);
190 static void nasm_fputs(const char *line
, FILE * outfile
)
193 fputs(line
, outfile
);
199 /* Convert a struct tm to a POSIX-style time constant */
200 static int64_t posix_mktime(struct tm
*tm
)
203 int64_t y
= tm
->tm_year
;
205 /* See IEEE 1003.1:2004, section 4.14 */
207 t
= (y
-70)*365 + (y
-69)/4 - (y
-1)/100 + (y
+299)/400;
219 static void define_macros_early(void)
222 struct tm lt
, *lt_p
, gm
, *gm_p
;
225 lt_p
= localtime(&official_compile_time
);
229 strftime(temp
, sizeof temp
, "__DATE__=\"%Y-%m-%d\"", <
);
230 preproc
->pre_define(temp
);
231 strftime(temp
, sizeof temp
, "__DATE_NUM__=%Y%m%d", <
);
232 preproc
->pre_define(temp
);
233 strftime(temp
, sizeof temp
, "__TIME__=\"%H:%M:%S\"", <
);
234 preproc
->pre_define(temp
);
235 strftime(temp
, sizeof temp
, "__TIME_NUM__=%H%M%S", <
);
236 preproc
->pre_define(temp
);
239 gm_p
= gmtime(&official_compile_time
);
243 strftime(temp
, sizeof temp
, "__UTC_DATE__=\"%Y-%m-%d\"", &gm
);
244 preproc
->pre_define(temp
);
245 strftime(temp
, sizeof temp
, "__UTC_DATE_NUM__=%Y%m%d", &gm
);
246 preproc
->pre_define(temp
);
247 strftime(temp
, sizeof temp
, "__UTC_TIME__=\"%H:%M:%S\"", &gm
);
248 preproc
->pre_define(temp
);
249 strftime(temp
, sizeof temp
, "__UTC_TIME_NUM__=%H%M%S", &gm
);
250 preproc
->pre_define(temp
);
254 posix_time
= posix_mktime(&gm
);
256 posix_time
= posix_mktime(<
);
261 snprintf(temp
, sizeof temp
, "__POSIX_TIME__=%"PRId64
, posix_time
);
262 preproc
->pre_define(temp
);
266 static void define_macros_late(void)
271 * In case if output format is defined by alias
272 * we have to put shortname of the alias itself here
273 * otherwise ABI backward compatibility gets broken.
275 snprintf(temp
, sizeof(temp
), "__OUTPUT_FORMAT__=%s",
276 ofmt_alias
? ofmt_alias
->shortname
: ofmt
->shortname
);
277 preproc
->pre_define(temp
);
280 static void emit_dependencies(StrList
*list
)
286 if (depend_file
&& strcmp(depend_file
, "-")) {
287 deps
= fopen(depend_file
, "w");
289 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
290 "unable to write dependency file `%s'", depend_file
);
297 linepos
= fprintf(deps
, "%s:", depend_target
);
298 list_for_each(l
, list
) {
299 char *file
= quote_for_make(l
->str
);
301 if (linepos
+ len
> 62 && linepos
> 1) {
302 fprintf(deps
, " \\\n ");
305 fprintf(deps
, " %s", file
);
309 fprintf(deps
, "\n\n");
311 list_for_each_safe(l
, nl
, list
) {
312 if (depend_emit_phony
)
313 fprintf(deps
, "%s:\n\n", l
->str
);
321 int main(int argc
, char **argv
)
323 StrList
*depend_list
= NULL
, **depend_ptr
;
325 time(&official_compile_time
);
327 iflag_set(&cpu
, IF_PLEVEL
);
328 iflag_set(&cmd_cpu
, IF_PLEVEL
);
331 want_usage
= terminate_after_phase
= false;
332 nasm_set_verror(nasm_verror_gnu
);
338 nasm_init_malloc_error();
339 offsets
= raa_init();
340 forwrefs
= saa_init((int32_t)sizeof(struct forwrefinfo
));
343 operating_mode
= op_normal
;
347 /* Define some macros dependent on the runtime, but not
348 on the command line. */
349 define_macros_early();
351 parse_cmdline(argc
, argv
);
353 if (terminate_after_phase
) {
359 /* If debugging info is disabled, suppress any debug calls */
360 if (!using_debug_info
)
361 ofmt
->current_dfmt
= &null_debug_form
;
364 preproc
->extra_stdmac(ofmt
->stdmac
);
365 parser_global_info(&location
);
366 eval_global_info(ofmt
, lookup_label
, &location
);
368 /* define some macros dependent of command-line */
369 define_macros_late();
371 depend_ptr
= (depend_file
|| (operating_mode
== op_depend
)) ? &depend_list
: NULL
;
373 depend_target
= quote_for_make(outname
);
375 switch (operating_mode
) {
380 if (depend_missing_ok
)
381 preproc
->include_path(NULL
); /* "assume generated" */
383 preproc
->reset(inname
, 0, &nasmlist
, depend_ptr
);
384 if (outname
[0] == '\0')
385 ofmt
->filename(inname
, outname
);
387 while ((line
= preproc
->getline()))
396 char *file_name
= NULL
;
397 int32_t prior_linnum
= 0;
401 ofile
= fopen(outname
, "w");
403 nasm_error(ERR_FATAL
| ERR_NOFILE
,
404 "unable to open output file `%s'",
409 location
.known
= false;
412 preproc
->reset(inname
, 3, &nasmlist
, depend_ptr
);
413 memcpy(warning_on
, warning_on_global
, (ERR_WARN_MAX
+1) * sizeof(bool));
415 while ((line
= preproc
->getline())) {
417 * We generate %line directives if needed for later programs
419 int32_t linnum
= prior_linnum
+= lineinc
;
420 int altline
= src_get(&linnum
, &file_name
);
422 if (altline
== 1 && lineinc
== 1)
423 nasm_fputs("", ofile
);
425 lineinc
= (altline
!= -1 || lineinc
!= 1);
426 fprintf(ofile
? ofile
: stdout
,
427 "%%line %"PRId32
"+%d %s\n", linnum
, lineinc
,
430 prior_linnum
= linnum
;
432 nasm_fputs(line
, ofile
);
435 nasm_free(file_name
);
439 if (ofile
&& terminate_after_phase
)
448 * We must call ofmt->filename _anyway_, even if the user
449 * has specified their own output file, because some
450 * formats (eg OBJ and COFF) use ofmt->filename to find out
451 * the name of the input file and then put that inside the
454 ofmt
->filename(inname
, outname
);
456 ofile
= fopen(outname
, (ofmt
->flags
& OFMT_TEXT
) ? "w" : "wb");
458 nasm_error(ERR_FATAL
| ERR_NOFILE
,
459 "unable to open output file `%s'", outname
);
463 * We must call init_labels() before ofmt->init() since
464 * some object formats will want to define labels in their
465 * init routines. (eg OS/2 defines the FLAT group)
470 dfmt
= ofmt
->current_dfmt
;
473 assemble_file(inname
, depend_ptr
);
475 if (!terminate_after_phase
) {
476 ofmt
->cleanup(using_debug_info
);
480 nasm_error(ERR_NONFATAL
|ERR_NOFILE
,
481 "write error on output file `%s'", outname
);
487 if (terminate_after_phase
)
495 if (depend_list
&& !terminate_after_phase
)
496 emit_dependencies(depend_list
);
506 return terminate_after_phase
;
510 * Get a parameter for a command line option.
511 * First arg must be in the form of e.g. -f...
513 static char *get_param(char *p
, char *q
, bool *advance
)
516 if (p
[2]) /* the parameter's in the option */
517 return nasm_skip_spaces(p
+ 2);
522 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
523 "option `-%c' requires an argument", p
[1]);
530 static void copy_filename(char *dst
, const char *src
)
532 size_t len
= strlen(src
);
534 if (len
>= (size_t)FILENAME_MAX
) {
535 nasm_error(ERR_FATAL
| ERR_NOFILE
, "file name too long");
538 strncpy(dst
, src
, FILENAME_MAX
);
542 * Convert a string to Make-safe form
544 static char *quote_for_make(const char *str
)
549 size_t n
= 1; /* Terminating zero */
555 for (p
= str
; *p
; p
++) {
559 /* Convert N backslashes + ws -> 2N+1 backslashes + ws */
579 /* Convert N backslashes at the end of filename to 2N backslashes */
583 os
= q
= nasm_malloc(n
);
586 for (p
= str
; *p
; p
++) {
629 #define OPT_POSTFIX 1
630 struct textargs textopts
[] = {
631 {"prefix", OPT_PREFIX
},
632 {"postfix", OPT_POSTFIX
},
636 static bool stopoptions
= false;
637 static bool process_arg(char *p
, char *q
)
641 bool advance
= false;
647 if (p
[0] == '-' && !stopoptions
) {
648 if (strchr("oOfpPdDiIlFXuUZwW", p
[1])) {
649 /* These parameters take values */
650 if (!(param
= get_param(p
, q
, &advance
)))
659 case 'o': /* output file */
660 copy_filename(outname
, param
);
663 case 'f': /* output format */
664 ofmt
= ofmt_find(param
, &ofmt_alias
);
666 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
667 "unrecognised output format `%s' - "
668 "use -hf for a list", param
);
672 case 'O': /* Optimization level */
677 /* Naked -O == -Ox */
678 optimizing
= MAX_OPTIMIZE
;
682 case '0': case '1': case '2': case '3': case '4':
683 case '5': case '6': case '7': case '8': case '9':
684 opt
= strtoul(param
, ¶m
, 10);
686 /* -O0 -> optimizing == -1, 0.98 behaviour */
687 /* -O1 -> optimizing == 0, 0.98.09 behaviour */
689 optimizing
= opt
- 1;
697 opt_verbose_info
= true;
702 optimizing
= MAX_OPTIMIZE
;
706 nasm_error(ERR_FATAL
,
707 "unknown optimization option -O%c\n",
712 if (optimizing
> MAX_OPTIMIZE
)
713 optimizing
= MAX_OPTIMIZE
;
718 case 'p': /* pre-include */
720 preproc
->pre_include(param
);
723 case 'd': /* pre-define */
725 preproc
->pre_define(param
);
728 case 'u': /* un-define */
730 preproc
->pre_undefine(param
);
733 case 'i': /* include search path */
735 preproc
->include_path(param
);
738 case 'l': /* listing file */
739 copy_filename(listname
, param
);
742 case 'Z': /* error messages file */
743 copy_filename(errname
, param
);
746 case 'F': /* specify debug format */
747 ofmt
->current_dfmt
= dfmt_find(ofmt
, param
);
748 if (!ofmt
->current_dfmt
) {
749 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
750 "unrecognized debug format `%s' for"
751 " output format `%s'",
752 param
, ofmt
->shortname
);
754 using_debug_info
= true;
757 case 'X': /* specify error reporting format */
758 if (nasm_stricmp("vc", param
) == 0)
759 nasm_set_verror(nasm_verror_vc
);
760 else if (nasm_stricmp("gnu", param
) == 0)
761 nasm_set_verror(nasm_verror_gnu
);
763 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
764 "unrecognized error reporting format `%s'",
769 using_debug_info
= true;
774 ("usage: nasm [-@ response file] [-o outfile] [-f format] "
776 " [options...] [--] filename\n"
777 " or nasm -v for version info\n\n"
778 " -t assemble in SciTech TASM compatible mode\n"
779 " -g generate debug information in selected format\n");
781 (" -E (or -e) preprocess only (writes output to stdout by default)\n"
782 " -a don't preprocess (assemble only)\n"
783 " -M generate Makefile dependencies on stdout\n"
784 " -MG d:o, missing files assumed generated\n"
785 " -MF <file> set Makefile dependency file\n"
786 " -MD <file> assemble and generate dependencies\n"
787 " -MT <file> dependency target name\n"
788 " -MQ <file> dependency target name (quoted)\n"
789 " -MP emit phony target\n\n"
790 " -Z<file> redirect error messages to file\n"
791 " -s redirect error messages to stdout\n\n"
792 " -F format select a debugging format\n\n"
793 " -o outfile write output to an outfile\n\n"
794 " -f format select an output format\n\n"
795 " -l listfile write listing to a listfile\n\n"
796 " -I<path> adds a pathname to the include file path\n");
798 (" -O<digit> optimize branch offsets\n"
799 " -O0: No optimization\n"
800 " -O1: Minimal optimization\n"
801 " -Ox: Multipass optimization (default)\n\n"
802 " -P<file> pre-includes a file\n"
803 " -D<macro>[=<value>] pre-defines a macro\n"
804 " -U<macro> undefines a macro\n"
805 " -X<format> specifies error reporting format (gnu or vc)\n"
806 " -w+foo enables warning foo (equiv. -Wfoo)\n"
807 " -w-foo disable warning foo (equiv. -Wno-foo)\n\n"
808 " -h show invocation summary and exit\n\n"
809 "--prefix,--postfix\n"
810 " this options prepend or append the given argument to all\n"
811 " extern and global variables\n\n"
813 for (i
= 0; i
<= ERR_WARN_MAX
; i
++)
814 printf(" %-23s %s (default %s)\n",
815 warnings
[i
].name
, warnings
[i
].help
,
816 warnings
[i
].enabled
? "on" : "off");
818 ("\nresponse files should contain command line parameters"
819 ", one per line.\n");
821 printf("\nvalid output formats for -f are"
822 " (`*' denotes default):\n");
823 ofmt_list(ofmt
, stdout
);
825 printf("\nFor a list of valid output formats, use -hf.\n");
826 printf("For a list of debug formats, use -f <form> -y.\n");
828 exit(0); /* never need usage message here */
832 printf("\nvalid debug formats for '%s' output format are"
833 " ('*' denotes default):\n", ofmt
->shortname
);
834 dfmt_list(ofmt
, stdout
);
839 tasm_compatible_mode
= true;
843 printf("NASM version %s compiled on %s%s\n",
844 nasm_version
, nasm_date
, nasm_compile_options
);
845 exit(0); /* never need usage message here */
848 case 'e': /* preprocess only */
850 operating_mode
= op_preprocess
;
853 case 'a': /* assemble only - don't preprocess */
854 preproc
= &preproc_nop
;
858 if (param
[0] == 'n' && param
[1] == 'o' && param
[2] == '-') {
867 if (param
[0] != '+' && param
[0] != '-') {
868 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
869 "invalid option to `-w'");
872 do_warn
= (param
[0] == '+');
876 for (i
= 0; i
<= ERR_WARN_MAX
; i
++) {
877 if (!nasm_stricmp(param
, warnings
[i
].name
))
880 if (i
<= ERR_WARN_MAX
) {
881 warning_on_global
[i
] = do_warn
;
882 } else if (!nasm_stricmp(param
, "all")) {
883 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
884 warning_on_global
[i
] = do_warn
;
885 } else if (!nasm_stricmp(param
, "none")) {
886 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
887 warning_on_global
[i
] = !do_warn
;
889 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
890 "invalid warning `%s'", param
);
897 operating_mode
= op_depend
;
900 operating_mode
= op_depend
;
901 depend_missing_ok
= true;
904 depend_emit_phony
= true;
915 depend_target
= quote_for_make(q
);
919 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
920 "unknown dependency option `-M%c'", p
[2]);
923 if (advance
&& (!q
|| !q
[0])) {
924 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
925 "option `-M%c' requires a parameter", p
[2]);
934 if (p
[2] == 0) { /* -- => stop processing options */
938 for (s
= 0; textopts
[s
].label
; s
++) {
939 if (!nasm_stricmp(p
+ 2, textopts
[s
].label
)) {
950 nasm_error(ERR_NONFATAL
| ERR_NOFILE
|
952 "option `--%s' requires an argument",
956 advance
= 1, param
= q
;
959 if (s
== OPT_PREFIX
) {
960 strncpy(lprefix
, param
, PREFIX_MAX
- 1);
961 lprefix
[PREFIX_MAX
- 1] = 0;
964 if (s
== OPT_POSTFIX
) {
965 strncpy(lpostfix
, param
, POSTFIX_MAX
- 1);
966 lpostfix
[POSTFIX_MAX
- 1] = 0;
973 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
974 "unrecognised option `--%s'", p
+ 2);
982 if (!ofmt
->setinfo(GI_SWITCH
, &p
))
983 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
984 "unrecognised option `-%c'", p
[1]);
989 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
990 "more than one input file specified");
992 copy_filename(inname
, p
);
999 #define ARG_BUF_DELTA 128
1001 static void process_respfile(FILE * rfile
)
1003 char *buffer
, *p
, *q
, *prevarg
;
1004 int bufsize
, prevargsize
;
1006 bufsize
= prevargsize
= ARG_BUF_DELTA
;
1007 buffer
= nasm_malloc(ARG_BUF_DELTA
);
1008 prevarg
= nasm_malloc(ARG_BUF_DELTA
);
1011 while (1) { /* Loop to handle all lines in file */
1013 while (1) { /* Loop to handle long lines */
1014 q
= fgets(p
, bufsize
- (p
- buffer
), rfile
);
1018 if (p
> buffer
&& p
[-1] == '\n')
1020 if (p
- buffer
> bufsize
- 10) {
1022 offset
= p
- buffer
;
1023 bufsize
+= ARG_BUF_DELTA
;
1024 buffer
= nasm_realloc(buffer
, bufsize
);
1025 p
= buffer
+ offset
;
1029 if (!q
&& p
== buffer
) {
1031 process_arg(prevarg
, NULL
);
1038 * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
1039 * them are present at the end of the line.
1041 *(p
= &buffer
[strcspn(buffer
, "\r\n\032")]) = '\0';
1043 while (p
> buffer
&& nasm_isspace(p
[-1]))
1046 p
= nasm_skip_spaces(buffer
);
1048 if (process_arg(prevarg
, p
))
1051 if ((int) strlen(p
) > prevargsize
- 10) {
1052 prevargsize
+= ARG_BUF_DELTA
;
1053 prevarg
= nasm_realloc(prevarg
, prevargsize
);
1055 strncpy(prevarg
, p
, prevargsize
);
1059 /* Function to process args from a string of args, rather than the
1060 * argv array. Used by the environment variable and response file
1063 static void process_args(char *args
)
1065 char *p
, *q
, *arg
, *prevarg
;
1066 char separator
= ' ';
1069 if (*p
&& *p
!= '-')
1074 while (*p
&& *p
!= separator
)
1076 while (*p
== separator
)
1080 if (process_arg(prevarg
, arg
))
1084 process_arg(arg
, NULL
);
1087 static void process_response_file(const char *file
)
1090 FILE *f
= fopen(file
, "r");
1095 while (fgets(str
, sizeof str
, f
)) {
1101 static void parse_cmdline(int argc
, char **argv
)
1104 char *envreal
, *envcopy
= NULL
, *p
;
1107 *inname
= *outname
= *listname
= *errname
= '\0';
1109 for (i
= 0; i
<= ERR_WARN_MAX
; i
++)
1110 warning_on_global
[i
] = warnings
[i
].enabled
;
1113 * First, process the NASMENV environment variable.
1115 envreal
= getenv("NASMENV");
1117 envcopy
= nasm_strdup(envreal
);
1118 process_args(envcopy
);
1123 * Now process the actual command line.
1128 if (argv
[0][0] == '@') {
1130 * We have a response file, so process this as a set of
1131 * arguments like the environment variable. This allows us
1132 * to have multiple arguments on a single line, which is
1133 * different to the -@resp file processing below for regular
1136 process_response_file(argv
[0]+1);
1140 if (!stopoptions
&& argv
[0][0] == '-' && argv
[0][1] == '@') {
1141 p
= get_param(argv
[0], argc
> 1 ? argv
[1] : NULL
, &advance
);
1143 rfile
= fopen(p
, "r");
1145 process_respfile(rfile
);
1148 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
1149 "unable to open response file `%s'", p
);
1152 advance
= process_arg(argv
[0], argc
> 1 ? argv
[1] : NULL
);
1153 argv
+= advance
, argc
-= advance
;
1157 * Look for basic command line typos. This definitely doesn't
1158 * catch all errors, but it might help cases of fumbled fingers.
1161 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
1162 "no input file specified");
1163 else if (!strcmp(inname
, errname
) ||
1164 !strcmp(inname
, outname
) ||
1165 !strcmp(inname
, listname
) ||
1166 (depend_file
&& !strcmp(inname
, depend_file
)))
1167 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
1168 "file `%s' is both input and output file",
1172 error_file
= fopen(errname
, "w");
1174 error_file
= stderr
; /* Revert to default! */
1175 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
1176 "cannot open file `%s' for error messages",
1182 static enum directives
getkw(char **directive
, char **value
);
1184 static void assemble_file(char *fname
, StrList
**depend_ptr
)
1186 char *directive
, *value
, *p
, *q
, *special
, *line
;
1192 struct tokenval tokval
;
1196 if (cmd_sb
== 32 && iflag_ffs(&cmd_cpu
) < IF_386
)
1197 nasm_error(ERR_FATAL
, "command line: "
1198 "32-bit segment size requires a higher cpu");
1200 pass_max
= prev_offset_changed
= (INT_MAX
>> 1) + 2; /* Almost unlimited */
1201 for (passn
= 1; pass0
<= 2; passn
++) {
1205 pass1
= pass0
== 2 ? 2 : 1; /* 1, 1, 1, ..., 1, 2 */
1206 pass2
= passn
> 1 ? 2 : 1; /* 1, 2, 2, ..., 2, 2 */
1207 /* pass0 0, 0, 0, ..., 1, 2 */
1209 def_label
= passn
> 1 ? redefine_label
: define_label
;
1211 globalbits
= sb
= cmd_sb
; /* set 'bits' to command line default */
1215 nasmlist
.init(listname
, nasm_error
);
1218 global_offset_changed
= 0; /* set by redefine_label */
1219 location
.segment
= ofmt
->section(NULL
, pass2
, &sb
);
1222 saa_rewind(forwrefs
);
1223 forwref
= saa_rstruct(forwrefs
);
1225 offsets
= raa_init();
1227 preproc
->reset(fname
, pass1
, &nasmlist
,
1228 pass1
== 2 ? depend_ptr
: NULL
);
1229 memcpy(warning_on
, warning_on_global
, (ERR_WARN_MAX
+1) * sizeof(bool));
1233 location
.known
= true;
1234 location
.offset
= offs
= get_curr_offs();
1236 while ((line
= preproc
->getline())) {
1241 * Here we parse our directives; this is not handled by the
1242 * 'real' parser. This really should be a separate function.
1245 d
= getkw(&directive
, &value
);
1250 case D_SEGMENT
: /* [SEGMENT n] */
1252 seg
= ofmt
->section(value
, pass2
, &sb
);
1253 if (seg
== NO_SEG
) {
1254 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1255 "segment name `%s' not recognized",
1259 location
.segment
= seg
;
1262 case D_SECTALIGN
: /* [SECTALIGN n] */
1266 tokval
.t_type
= TOKEN_INVALID
;
1267 e
= evaluate(stdscan
, NULL
, &tokval
, NULL
, pass2
, nasm_error
, NULL
);
1269 unsigned int align
= (unsigned int)e
->value
;
1270 if ((uint64_t)e
->value
> 0x7fffffff) {
1272 * FIXME: Please make some sane message here
1273 * ofmt should have some 'check' method which
1274 * would report segment alignment bounds.
1276 nasm_error(ERR_FATAL
,
1277 "incorrect segment alignment `%s'", value
);
1278 } else if (!is_power2(align
)) {
1279 nasm_error(ERR_NONFATAL
,
1280 "segment alignment `%s' is not power of two",
1283 /* callee should be able to handle all details */
1284 ofmt
->sectalign(location
.segment
, align
);
1288 case D_EXTERN
: /* [EXTERN label:special] */
1290 value
++; /* skip initial $ if present */
1293 while (*q
&& *q
!= ':')
1297 ofmt
->symdef(value
, 0L, 0L, 3, q
);
1299 } else if (passn
== 1) {
1304 while (*q
&& *q
!= ':') {
1310 nasm_error(ERR_NONFATAL
,
1311 "identifier expected after EXTERN");
1319 if (!is_extern(value
)) { /* allow re-EXTERN to be ignored */
1321 pass0
= 1; /* fake pass 1 in labels.c */
1322 declare_as_global(value
, special
);
1323 define_label(value
, seg_alloc(), 0L, NULL
,
1327 } /* else pass0 == 1 */
1329 case D_BITS
: /* [BITS bits] */
1330 globalbits
= sb
= get_bits(value
);
1332 case D_GLOBAL
: /* [GLOBAL symbol:special] */
1334 value
++; /* skip initial $ if present */
1335 if (pass0
== 2) { /* pass 2 */
1337 while (*q
&& *q
!= ':')
1341 ofmt
->symdef(value
, 0L, 0L, 3, q
);
1343 } else if (pass2
== 1) { /* pass == 1 */
1348 while (*q
&& *q
!= ':') {
1354 nasm_error(ERR_NONFATAL
,
1355 "identifier expected after GLOBAL");
1363 declare_as_global(value
, special
);
1366 case D_COMMON
: /* [COMMON symbol size:special] */
1371 value
++; /* skip initial $ if present */
1376 while (*p
&& !nasm_isspace(*p
)) {
1382 nasm_error(ERR_NONFATAL
,
1383 "identifier expected after COMMON");
1387 p
= nasm_zap_spaces_fwd(p
);
1389 while (*q
&& *q
!= ':')
1397 size
= readnum(p
, &rn_error
);
1399 nasm_error(ERR_NONFATAL
,
1400 "invalid size specified"
1401 " in COMMON declaration");
1405 nasm_error(ERR_NONFATAL
,
1406 "no size specified in"
1407 " COMMON declaration");
1412 define_common(value
, seg_alloc(), size
, special
);
1413 } else if (pass0
== 2) {
1415 ofmt
->symdef(value
, 0L, 0L, 3, special
);
1419 case D_ABSOLUTE
: /* [ABSOLUTE address] */
1422 tokval
.t_type
= TOKEN_INVALID
;
1423 e
= evaluate(stdscan
, NULL
, &tokval
, NULL
, pass2
,
1428 1 ? ERR_NONFATAL
: ERR_PANIC
,
1429 "cannot use non-relocatable expression as "
1430 "ABSOLUTE address");
1432 abs_seg
= reloc_seg(e
);
1433 abs_offset
= reloc_value(e
);
1435 } else if (passn
== 1)
1436 abs_offset
= 0x100; /* don't go near zero in case of / */
1438 nasm_error(ERR_PANIC
, "invalid ABSOLUTE address "
1441 location
.segment
= NO_SEG
;
1443 case D_DEBUG
: /* [DEBUG] */
1446 bool badid
, overlong
;
1450 badid
= overlong
= false;
1451 if (!isidstart(*p
)) {
1454 while (*p
&& !nasm_isspace(*p
)) {
1455 if (q
>= debugid
+ sizeof debugid
- 1) {
1466 nasm_error(passn
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1467 "identifier expected after DEBUG");
1471 nasm_error(passn
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1472 "DEBUG identifier too long");
1475 p
= nasm_skip_spaces(p
);
1477 dfmt
->debug_directive(debugid
, p
);
1480 case D_WARNING
: /* [WARNING {+|-|*}warn-name] */
1481 value
= nasm_skip_spaces(value
);
1483 case '-': validid
= 0; value
++; break;
1484 case '+': validid
= 1; value
++; break;
1485 case '*': validid
= 2; value
++; break;
1486 default: validid
= 1; break;
1489 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
1490 if (!nasm_stricmp(value
, warnings
[i
].name
))
1492 if (i
<= ERR_WARN_MAX
) {
1495 warning_on
[i
] = false;
1498 warning_on
[i
] = true;
1501 warning_on
[i
] = warning_on_global
[i
];
1505 nasm_error(ERR_NONFATAL
,
1506 "invalid warning id in WARNING directive");
1508 case D_CPU
: /* [CPU] */
1509 cpu
= get_cpu(value
);
1511 case D_LIST
: /* [LIST {+|-}] */
1512 value
= nasm_skip_spaces(value
);
1513 if (*value
== '+') {
1516 if (*value
== '-') {
1523 case D_DEFAULT
: /* [DEFAULT] */
1526 tokval
.t_type
= TOKEN_INVALID
;
1527 if (stdscan(NULL
, &tokval
) == TOKEN_SPECIAL
) {
1528 switch ((int)tokval
.t_integer
) {
1544 if (float_option(value
)) {
1545 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1546 "unknown 'float' directive: %s",
1551 if (ofmt
->directive(d
, value
, pass2
))
1553 /* else fall through */
1555 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1556 "unrecognised directive [%s]",
1561 nasm_error(ERR_NONFATAL
,
1562 "invalid parameter to [%s] directive",
1565 } else { /* it isn't a directive */
1566 parse_line(pass1
, line
, &output_ins
, def_label
);
1568 if (optimizing
> 0) {
1569 if (forwref
!= NULL
&& globallineno
== forwref
->lineno
) {
1570 output_ins
.forw_ref
= true;
1572 output_ins
.oprs
[forwref
->operand
].opflags
|= OPFLAG_FORWARD
;
1573 forwref
= saa_rstruct(forwrefs
);
1574 } while (forwref
!= NULL
1575 && forwref
->lineno
== globallineno
);
1577 output_ins
.forw_ref
= false;
1579 if (output_ins
.forw_ref
) {
1581 for (i
= 0; i
< output_ins
.operands
; i
++) {
1582 if (output_ins
.oprs
[i
].opflags
& OPFLAG_FORWARD
) {
1583 struct forwrefinfo
*fwinf
= (struct forwrefinfo
*)saa_wstruct(forwrefs
);
1584 fwinf
->lineno
= globallineno
;
1593 if (output_ins
.opcode
== I_EQU
) {
1596 * Special `..' EQUs get processed in pass two,
1597 * except `..@' macro-processor EQUs which are done
1598 * in the normal place.
1600 if (!output_ins
.label
)
1601 nasm_error(ERR_NONFATAL
,
1602 "EQU not preceded by label");
1604 else if (output_ins
.label
[0] != '.' ||
1605 output_ins
.label
[1] != '.' ||
1606 output_ins
.label
[2] == '@') {
1607 if (output_ins
.operands
== 1 &&
1608 (output_ins
.oprs
[0].type
& IMMEDIATE
) &&
1609 output_ins
.oprs
[0].wrt
== NO_SEG
) {
1610 bool isext
= !!(output_ins
.oprs
[0].opflags
& OPFLAG_EXTERN
);
1611 def_label(output_ins
.label
,
1612 output_ins
.oprs
[0].segment
,
1613 output_ins
.oprs
[0].offset
, NULL
,
1615 } else if (output_ins
.operands
== 2
1616 && (output_ins
.oprs
[0].type
& IMMEDIATE
)
1617 && (output_ins
.oprs
[0].type
& COLON
)
1618 && output_ins
.oprs
[0].segment
== NO_SEG
1619 && output_ins
.oprs
[0].wrt
== NO_SEG
1620 && (output_ins
.oprs
[1].type
& IMMEDIATE
)
1621 && output_ins
.oprs
[1].segment
== NO_SEG
1622 && output_ins
.oprs
[1].wrt
== NO_SEG
) {
1623 def_label(output_ins
.label
,
1624 output_ins
.oprs
[0].offset
| SEG_ABS
,
1625 output_ins
.oprs
[1].offset
,
1626 NULL
, false, false);
1628 nasm_error(ERR_NONFATAL
,
1629 "bad syntax for EQU");
1633 * Special `..' EQUs get processed here, except
1634 * `..@' macro processor EQUs which are done above.
1636 if (output_ins
.label
[0] == '.' &&
1637 output_ins
.label
[1] == '.' &&
1638 output_ins
.label
[2] != '@') {
1639 if (output_ins
.operands
== 1 &&
1640 (output_ins
.oprs
[0].type
& IMMEDIATE
)) {
1641 define_label(output_ins
.label
,
1642 output_ins
.oprs
[0].segment
,
1643 output_ins
.oprs
[0].offset
,
1644 NULL
, false, false);
1645 } else if (output_ins
.operands
== 2
1646 && (output_ins
.oprs
[0].type
& IMMEDIATE
)
1647 && (output_ins
.oprs
[0].type
& COLON
)
1648 && output_ins
.oprs
[0].segment
== NO_SEG
1649 && (output_ins
.oprs
[1].type
& IMMEDIATE
)
1650 && output_ins
.oprs
[1].segment
== NO_SEG
) {
1651 define_label(output_ins
.label
,
1652 output_ins
.oprs
[0].offset
| SEG_ABS
,
1653 output_ins
.oprs
[1].offset
,
1654 NULL
, false, false);
1656 nasm_error(ERR_NONFATAL
,
1657 "bad syntax for EQU");
1660 } else { /* instruction isn't an EQU */
1664 int64_t l
= insn_size(location
.segment
, offs
, sb
, cpu
,
1665 &output_ins
, nasm_error
);
1667 /* if (using_debug_info) && output_ins.opcode != -1) */
1668 if (using_debug_info
)
1669 { /* fbk 03/25/01 */
1670 /* this is done here so we can do debug type info */
1672 TYS_ELEMENTS(output_ins
.operands
);
1673 switch (output_ins
.opcode
) {
1676 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_BYTE
;
1680 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_WORD
;
1684 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_DWORD
;
1688 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_QWORD
;
1692 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_TBYTE
;
1696 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_OWORD
;
1700 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_YWORD
;
1703 typeinfo
|= TY_BYTE
;
1706 typeinfo
|= TY_WORD
;
1709 if (output_ins
.eops_float
)
1710 typeinfo
|= TY_FLOAT
;
1712 typeinfo
|= TY_DWORD
;
1715 typeinfo
|= TY_QWORD
;
1718 typeinfo
|= TY_TBYTE
;
1721 typeinfo
|= TY_OWORD
;
1724 typeinfo
|= TY_YWORD
;
1727 typeinfo
= TY_LABEL
;
1731 dfmt
->debug_typevalue(typeinfo
);
1735 set_curr_offs(offs
);
1738 * else l == -1 => invalid instruction, which will be
1739 * flagged as an error on pass 2
1743 offs
+= assemble(location
.segment
, offs
, sb
, cpu
,
1744 &output_ins
, ofmt
, nasm_error
,
1746 set_curr_offs(offs
);
1750 cleanup_insn(&output_ins
);
1753 location
.offset
= offs
= get_curr_offs();
1754 } /* end while (line = preproc->getline... */
1756 if (pass0
== 2 && global_offset_changed
&& !terminate_after_phase
)
1757 nasm_error(ERR_NONFATAL
,
1758 "phase error detected at end of assembly.");
1761 preproc
->cleanup(1);
1763 if ((passn
> 1 && !global_offset_changed
) || pass0
== 2) {
1765 } else if (global_offset_changed
&&
1766 global_offset_changed
< prev_offset_changed
) {
1767 prev_offset_changed
= global_offset_changed
;
1773 if (terminate_after_phase
)
1776 if ((stall_count
> 997) || (passn
>= pass_max
)) {
1777 /* We get here if the labels don't converge
1778 * Example: FOO equ FOO + 1
1780 nasm_error(ERR_NONFATAL
,
1781 "Can't find valid values for all labels "
1782 "after %d passes, giving up.", passn
);
1783 nasm_error(ERR_NONFATAL
,
1784 "Possible causes: recursive EQUs, macro abuse.");
1789 preproc
->cleanup(0);
1791 if (!terminate_after_phase
&& opt_verbose_info
) {
1792 /* -On and -Ov switches */
1793 fprintf(stdout
, "info: assembly required 1+%d+1 passes\n", passn
-3);
1797 static enum directives
getkw(char **directive
, char **value
)
1801 buf
= nasm_skip_spaces(*directive
);
1803 /* it should be enclosed in [ ] */
1806 q
= strchr(buf
, ']');
1810 /* stip off the comments */
1811 p
= strchr(buf
, ';');
1813 if (p
< q
) /* ouch! somwhere inside */
1818 /* no brace, no trailing spaces */
1820 nasm_zap_spaces_rev(--q
);
1823 p
= nasm_skip_spaces(++buf
);
1824 q
= nasm_skip_word(p
);
1826 return D_none
; /* sigh... no value there */
1830 /* and value finally */
1831 p
= nasm_skip_spaces(++q
);
1834 return find_directive(*directive
);
1838 * gnu style error reporting
1839 * This function prints an error message to error_file in the
1840 * style used by GNU. An example would be:
1841 * file.asm:50: error: blah blah blah
1842 * where file.asm is the name of the file, 50 is the line number on
1843 * which the error occurs (or is detected) and "error:" is one of
1844 * the possible optional diagnostics -- it can be "error" or "warning"
1845 * or something else. Finally the line terminates with the actual
1848 * @param severity the severity of the warning or error
1849 * @param fmt the printf style format string
1851 static void nasm_verror_gnu(int severity
, const char *fmt
, va_list ap
)
1853 char *currentfile
= NULL
;
1856 if (is_suppressed_warning(severity
))
1859 if (!(severity
& ERR_NOFILE
))
1860 src_get(&lineno
, ¤tfile
);
1863 fprintf(error_file
, "%s:%"PRId32
": ", currentfile
, lineno
);
1864 nasm_free(currentfile
);
1866 fputs("nasm: ", error_file
);
1869 nasm_verror_common(severity
, fmt
, ap
);
1873 * MS style error reporting
1874 * This function prints an error message to error_file in the
1875 * style used by Visual C and some other Microsoft tools. An example
1877 * file.asm(50) : error: blah blah blah
1878 * where file.asm is the name of the file, 50 is the line number on
1879 * which the error occurs (or is detected) and "error:" is one of
1880 * the possible optional diagnostics -- it can be "error" or "warning"
1881 * or something else. Finally the line terminates with the actual
1884 * @param severity the severity of the warning or error
1885 * @param fmt the printf style format string
1887 static void nasm_verror_vc(int severity
, const char *fmt
, va_list ap
)
1889 char *currentfile
= NULL
;
1892 if (is_suppressed_warning(severity
))
1895 if (!(severity
& ERR_NOFILE
))
1896 src_get(&lineno
, ¤tfile
);
1899 fprintf(error_file
, "%s(%"PRId32
") : ", currentfile
, lineno
);
1900 nasm_free(currentfile
);
1902 fputs("nasm: ", error_file
);
1905 nasm_verror_common(severity
, fmt
, ap
);
1909 * check for supressed warning
1910 * checks for suppressed warning or pass one only warning and we're
1913 * @param severity the severity of the warning or error
1914 * @return true if we should abort error/warning printing
1916 static bool is_suppressed_warning(int severity
)
1918 /* Not a warning at all */
1919 if ((severity
& ERR_MASK
) != ERR_WARNING
)
1922 /* See if it's a pass-one only warning and we're not in pass one. */
1923 if (((severity
& ERR_PASS1
) && pass0
!= 1) ||
1924 ((severity
& ERR_PASS2
) && pass0
!= 2))
1927 /* Might be a warning but suppresed explicitly */
1928 if (severity
& ERR_WARN_MASK
)
1929 return !warning_on
[WARN_IDX(severity
)];
1935 * common error reporting
1936 * This is the common back end of the error reporting schemes currently
1937 * implemented. It prints the nature of the warning and then the
1938 * specific error message to error_file and may or may not return. It
1939 * doesn't return if the error severity is a "panic" or "debug" type.
1941 * @param severity the severity of the warning or error
1942 * @param fmt the printf style format string
1944 static void nasm_verror_common(int severity
, const char *fmt
, va_list args
)
1949 switch (severity
& (ERR_MASK
|ERR_NO_SEVERITY
)) {
1970 vsnprintf(msg
, sizeof msg
, fmt
, args
);
1972 fprintf(error_file
, "%s%s\n", pfx
, msg
);
1975 nasmlist
.error(severity
, pfx
, msg
);
1977 if (severity
& ERR_USAGE
)
1980 switch (severity
& ERR_MASK
) {
1982 /* no further action, by definition */
1985 /* Treat warnings as errors */
1986 if (warning_on
[WARN_IDX(ERR_WARN_TERM
)])
1987 terminate_after_phase
= true;
1990 terminate_after_phase
= true;
2000 exit(1); /* instantly die */
2001 break; /* placate silly compilers */
2004 /* abort(); */ /* halt, catch fire, and dump core */
2010 static void usage(void)
2012 fputs("type `nasm -h' for help\n", error_file
);
2015 static iflag_t
get_cpu(char *value
)
2019 iflag_clear_all(&r
);
2021 if (!strcmp(value
, "8086"))
2022 iflag_set(&r
, IF_8086
);
2023 else if (!strcmp(value
, "186"))
2024 iflag_set(&r
, IF_186
);
2025 else if (!strcmp(value
, "286"))
2026 iflag_set(&r
, IF_286
);
2027 else if (!strcmp(value
, "386"))
2028 iflag_set(&r
, IF_386
);
2029 else if (!strcmp(value
, "486"))
2030 iflag_set(&r
, IF_486
);
2031 else if (!strcmp(value
, "586") ||
2032 !nasm_stricmp(value
, "pentium"))
2033 iflag_set(&r
, IF_PENT
);
2034 else if (!strcmp(value
, "686") ||
2035 !nasm_stricmp(value
, "ppro") ||
2036 !nasm_stricmp(value
, "pentiumpro") ||
2037 !nasm_stricmp(value
, "p2"))
2038 iflag_set(&r
, IF_P6
);
2039 else if (!nasm_stricmp(value
, "p3") ||
2040 !nasm_stricmp(value
, "katmai"))
2041 iflag_set(&r
, IF_KATMAI
);
2042 else if (!nasm_stricmp(value
, "p4") || /* is this right? -- jrc */
2043 !nasm_stricmp(value
, "willamette"))
2044 iflag_set(&r
, IF_WILLAMETTE
);
2045 else if (!nasm_stricmp(value
, "prescott"))
2046 iflag_set(&r
, IF_PRESCOTT
);
2047 else if (!nasm_stricmp(value
, "x64") ||
2048 !nasm_stricmp(value
, "x86-64"))
2049 iflag_set(&r
, IF_X86_64
);
2050 else if (!nasm_stricmp(value
, "ia64") ||
2051 !nasm_stricmp(value
, "ia-64") ||
2052 !nasm_stricmp(value
, "itanium")||
2053 !nasm_stricmp(value
, "itanic") ||
2054 !nasm_stricmp(value
, "merced"))
2055 iflag_set(&r
, IF_IA64
);
2057 iflag_set(&r
, IF_PLEVEL
);
2058 nasm_error(pass0
< 2 ? ERR_NONFATAL
: ERR_FATAL
,
2059 "unknown 'cpu' type");
2064 static int get_bits(char *value
)
2068 if ((i
= atoi(value
)) == 16)
2069 return i
; /* set for a 16-bit segment */
2071 if (iflag_ffs(&cpu
) < IF_386
) {
2072 nasm_error(ERR_NONFATAL
,
2073 "cannot specify 32-bit segment on processor below a 386");
2076 } else if (i
== 64) {
2077 if (iflag_ffs(&cpu
) < IF_X86_64
) {
2078 nasm_error(ERR_NONFATAL
,
2079 "cannot specify 64-bit segment on processor below an x86-64");
2083 nasm_error(ERR_NONFATAL
,
2084 "%s output format does not support 64-bit code",
2089 nasm_error(pass0
< 2 ? ERR_NONFATAL
: ERR_FATAL
,
2090 "`%s' is not a valid segment size; must be 16, 32 or 64",