1 /* ----------------------------------------------------------------------- *
3 * Copyright 1996-2016 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
;
130 #define OP_NORMAL (1u << 0)
131 #define OP_PREPROCESS (1u << 1)
132 #define OP_DEPEND (1u << 2)
134 static unsigned int 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},
169 {"bnd", "invalid bnd prefixes", true},
170 {"zext-reloc", "relocation zero-extended to match output format", true},
173 static bool want_usage
;
174 static bool terminate_after_phase
;
175 int user_nolist
= 0; /* fbk 9/2/00 */
177 static char *quote_for_make(const char *str
);
179 static int64_t get_curr_offs(void)
181 return in_abs_seg
? abs_offset
: raa_read(offsets
, location
.segment
);
184 static void set_curr_offs(int64_t l_off
)
189 offsets
= raa_write(offsets
, location
.segment
, l_off
);
192 static void nasm_fputs(const char *line
, FILE * outfile
)
195 fputs(line
, outfile
);
201 /* Convert a struct tm to a POSIX-style time constant */
202 static int64_t make_posix_time(struct tm
*tm
)
205 int64_t y
= tm
->tm_year
;
207 /* See IEEE 1003.1:2004, section 4.14 */
209 t
= (y
-70)*365 + (y
-69)/4 - (y
-1)/100 + (y
+299)/400;
221 static void define_macros_early(void)
224 struct tm lt
, *lt_p
, gm
, *gm_p
;
227 lt_p
= localtime(&official_compile_time
);
231 strftime(temp
, sizeof temp
, "__DATE__=\"%Y-%m-%d\"", <
);
232 preproc
->pre_define(temp
);
233 strftime(temp
, sizeof temp
, "__DATE_NUM__=%Y%m%d", <
);
234 preproc
->pre_define(temp
);
235 strftime(temp
, sizeof temp
, "__TIME__=\"%H:%M:%S\"", <
);
236 preproc
->pre_define(temp
);
237 strftime(temp
, sizeof temp
, "__TIME_NUM__=%H%M%S", <
);
238 preproc
->pre_define(temp
);
241 gm_p
= gmtime(&official_compile_time
);
245 strftime(temp
, sizeof temp
, "__UTC_DATE__=\"%Y-%m-%d\"", &gm
);
246 preproc
->pre_define(temp
);
247 strftime(temp
, sizeof temp
, "__UTC_DATE_NUM__=%Y%m%d", &gm
);
248 preproc
->pre_define(temp
);
249 strftime(temp
, sizeof temp
, "__UTC_TIME__=\"%H:%M:%S\"", &gm
);
250 preproc
->pre_define(temp
);
251 strftime(temp
, sizeof temp
, "__UTC_TIME_NUM__=%H%M%S", &gm
);
252 preproc
->pre_define(temp
);
256 posix_time
= make_posix_time(&gm
);
258 posix_time
= make_posix_time(<
);
263 snprintf(temp
, sizeof temp
, "__POSIX_TIME__=%"PRId64
, posix_time
);
264 preproc
->pre_define(temp
);
268 static void define_macros_late(void)
273 * In case if output format is defined by alias
274 * we have to put shortname of the alias itself here
275 * otherwise ABI backward compatibility gets broken.
277 snprintf(temp
, sizeof(temp
), "__OUTPUT_FORMAT__=%s",
278 ofmt_alias
? ofmt_alias
->shortname
: ofmt
->shortname
);
279 preproc
->pre_define(temp
);
282 static void emit_dependencies(StrList
*list
)
288 if (depend_file
&& strcmp(depend_file
, "-")) {
289 deps
= fopen(depend_file
, "w");
291 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
292 "unable to write dependency file `%s'", depend_file
);
299 linepos
= fprintf(deps
, "%s:", depend_target
);
300 list_for_each(l
, list
) {
301 char *file
= quote_for_make(l
->str
);
303 if (linepos
+ len
> 62 && linepos
> 1) {
304 fprintf(deps
, " \\\n ");
307 fprintf(deps
, " %s", file
);
311 fprintf(deps
, "\n\n");
313 list_for_each_safe(l
, nl
, list
) {
314 if (depend_emit_phony
)
315 fprintf(deps
, "%s:\n\n", l
->str
);
323 int main(int argc
, char **argv
)
325 StrList
*depend_list
= NULL
, **depend_ptr
;
327 time(&official_compile_time
);
329 iflag_set(&cpu
, IF_PLEVEL
);
330 iflag_set(&cmd_cpu
, IF_PLEVEL
);
333 want_usage
= terminate_after_phase
= false;
334 nasm_set_verror(nasm_verror_gnu
);
340 offsets
= raa_init();
341 forwrefs
= saa_init((int32_t)sizeof(struct forwrefinfo
));
344 operating_mode
= OP_NORMAL
;
346 /* Define some macros dependent on the runtime, but not
347 on the command line. */
348 define_macros_early();
350 parse_cmdline(argc
, argv
);
352 if (terminate_after_phase
) {
358 /* If debugging info is disabled, suppress any debug calls */
359 if (!using_debug_info
)
360 ofmt
->current_dfmt
= &null_debug_form
;
363 preproc
->extra_stdmac(ofmt
->stdmac
);
364 parser_global_info(&location
);
365 eval_global_info(ofmt
, lookup_label
, &location
);
367 /* define some macros dependent of command-line */
368 define_macros_late();
370 depend_ptr
= (depend_file
|| (operating_mode
& OP_DEPEND
)) ? &depend_list
: NULL
;
372 depend_target
= quote_for_make(outname
);
374 if (operating_mode
& OP_DEPEND
) {
377 if (depend_missing_ok
)
378 preproc
->include_path(NULL
); /* "assume generated" */
380 preproc
->reset(inname
, 0, &nasmlist
, depend_ptr
);
381 if (outname
[0] == '\0')
382 ofmt
->filename(inname
, outname
);
384 while ((line
= preproc
->getline()))
387 } else if (operating_mode
& OP_PREPROCESS
) {
389 char *file_name
= NULL
;
390 int32_t prior_linnum
= 0;
394 ofile
= fopen(outname
, "w");
396 nasm_error(ERR_FATAL
| ERR_NOFILE
,
397 "unable to open output file `%s'",
402 location
.known
= false;
405 preproc
->reset(inname
, 3, &nasmlist
, depend_ptr
);
406 memcpy(warning_on
, warning_on_global
, (ERR_WARN_MAX
+1) * sizeof(bool));
408 while ((line
= preproc
->getline())) {
410 * We generate %line directives if needed for later programs
412 int32_t linnum
= prior_linnum
+= lineinc
;
413 int altline
= src_get(&linnum
, &file_name
);
415 if (altline
== 1 && lineinc
== 1)
416 nasm_fputs("", ofile
);
418 lineinc
= (altline
!= -1 || lineinc
!= 1);
419 fprintf(ofile
? ofile
: stdout
,
420 "%%line %"PRId32
"+%d %s\n", linnum
, lineinc
,
423 prior_linnum
= linnum
;
425 nasm_fputs(line
, ofile
);
428 nasm_free(file_name
);
432 if (ofile
&& terminate_after_phase
)
437 if (operating_mode
& OP_NORMAL
) {
439 * We must call ofmt->filename _anyway_, even if the user
440 * has specified their own output file, because some
441 * formats (eg OBJ and COFF) use ofmt->filename to find out
442 * the name of the input file and then put that inside the
445 ofmt
->filename(inname
, outname
);
447 ofile
= fopen(outname
, (ofmt
->flags
& OFMT_TEXT
) ? "w" : "wb");
449 nasm_error(ERR_FATAL
| ERR_NOFILE
,
450 "unable to open output file `%s'", outname
);
453 * We must call init_labels() before ofmt->init() since
454 * some object formats will want to define labels in their
455 * init routines. (eg OS/2 defines the FLAT group)
460 dfmt
= ofmt
->current_dfmt
;
463 assemble_file(inname
, depend_ptr
);
465 if (!terminate_after_phase
) {
466 ofmt
->cleanup(using_debug_info
);
470 nasm_error(ERR_NONFATAL
|ERR_NOFILE
,
471 "write error on output file `%s'", outname
);
476 if (terminate_after_phase
)
482 if (depend_list
&& !terminate_after_phase
)
483 emit_dependencies(depend_list
);
493 return terminate_after_phase
;
497 * Get a parameter for a command line option.
498 * First arg must be in the form of e.g. -f...
500 static char *get_param(char *p
, char *q
, bool *advance
)
503 if (p
[2]) /* the parameter's in the option */
504 return nasm_skip_spaces(p
+ 2);
509 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
510 "option `-%c' requires an argument", p
[1]);
517 static void copy_filename(char *dst
, const char *src
)
519 size_t len
= strlen(src
);
521 if (len
>= (size_t)FILENAME_MAX
) {
522 nasm_error(ERR_FATAL
| ERR_NOFILE
, "file name too long");
525 strncpy(dst
, src
, FILENAME_MAX
);
529 * Convert a string to Make-safe form
531 static char *quote_for_make(const char *str
)
536 size_t n
= 1; /* Terminating zero */
542 for (p
= str
; *p
; p
++) {
546 /* Convert N backslashes + ws -> 2N+1 backslashes + ws */
566 /* Convert N backslashes at the end of filename to 2N backslashes */
570 os
= q
= nasm_malloc(n
);
573 for (p
= str
; *p
; p
++) {
619 struct textargs textopts
[] = {
620 {"prefix", OPT_PREFIX
},
621 {"postfix", OPT_POSTFIX
},
625 static void show_version(void)
627 printf("NASM version %s compiled on %s%s\n",
628 nasm_version
, nasm_date
, nasm_compile_options
);
632 static bool stopoptions
= false;
633 static bool process_arg(char *p
, char *q
)
637 bool advance
= false;
643 if (p
[0] == '-' && !stopoptions
) {
644 if (strchr("oOfpPdDiIlFXuUZwW", p
[1])) {
645 /* These parameters take values */
646 if (!(param
= get_param(p
, q
, &advance
)))
655 case 'o': /* output file */
656 copy_filename(outname
, param
);
659 case 'f': /* output format */
660 ofmt
= ofmt_find(param
, &ofmt_alias
);
662 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
663 "unrecognised output format `%s' - "
664 "use -hf for a list", param
);
668 case 'O': /* Optimization level */
673 /* Naked -O == -Ox */
674 optimizing
= MAX_OPTIMIZE
;
678 case '0': case '1': case '2': case '3': case '4':
679 case '5': case '6': case '7': case '8': case '9':
680 opt
= strtoul(param
, ¶m
, 10);
682 /* -O0 -> optimizing == -1, 0.98 behaviour */
683 /* -O1 -> optimizing == 0, 0.98.09 behaviour */
685 optimizing
= opt
- 1;
693 opt_verbose_info
= true;
698 optimizing
= MAX_OPTIMIZE
;
702 nasm_error(ERR_FATAL
,
703 "unknown optimization option -O%c\n",
708 if (optimizing
> MAX_OPTIMIZE
)
709 optimizing
= MAX_OPTIMIZE
;
714 case 'p': /* pre-include */
716 preproc
->pre_include(param
);
719 case 'd': /* pre-define */
721 preproc
->pre_define(param
);
724 case 'u': /* un-define */
726 preproc
->pre_undefine(param
);
729 case 'i': /* include search path */
731 preproc
->include_path(param
);
734 case 'l': /* listing file */
735 copy_filename(listname
, param
);
738 case 'Z': /* error messages file */
739 copy_filename(errname
, param
);
742 case 'F': /* specify debug format */
743 ofmt
->current_dfmt
= dfmt_find(ofmt
, param
);
744 if (!ofmt
->current_dfmt
) {
745 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
746 "unrecognized debug format `%s' for"
747 " output format `%s'",
748 param
, ofmt
->shortname
);
750 using_debug_info
= true;
753 case 'X': /* specify error reporting format */
754 if (nasm_stricmp("vc", param
) == 0)
755 nasm_set_verror(nasm_verror_vc
);
756 else if (nasm_stricmp("gnu", param
) == 0)
757 nasm_set_verror(nasm_verror_gnu
);
759 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
760 "unrecognized error reporting format `%s'",
765 using_debug_info
= true;
770 ("usage: nasm [-@ response file] [-o outfile] [-f format] "
772 " [options...] [--] filename\n"
773 " or nasm -v (or --v) for version info\n\n"
774 " -t assemble in SciTech TASM compatible mode\n"
775 " -g generate debug information in selected format\n");
777 (" -E (or -e) preprocess only (writes output to stdout by default)\n"
778 " -a don't preprocess (assemble only)\n"
779 " -M generate Makefile dependencies on stdout\n"
780 " -MG d:o, missing files assumed generated\n"
781 " -MF <file> set Makefile dependency file\n"
782 " -MD <file> assemble and generate dependencies\n"
783 " -MT <file> dependency target name\n"
784 " -MQ <file> dependency target name (quoted)\n"
785 " -MP emit phony target\n\n"
786 " -Z<file> redirect error messages to file\n"
787 " -s redirect error messages to stdout\n\n"
788 " -F format select a debugging format\n\n"
789 " -o outfile write output to an outfile\n\n"
790 " -f format select an output format\n\n"
791 " -l listfile write listing to a listfile\n\n"
792 " -I<path> adds a pathname to the include file path\n");
794 (" -O<digit> optimize branch offsets\n"
795 " -O0: No optimization\n"
796 " -O1: Minimal optimization\n"
797 " -Ox: Multipass optimization (default)\n\n"
798 " -P<file> pre-includes a file\n"
799 " -D<macro>[=<value>] pre-defines a macro\n"
800 " -U<macro> undefines a macro\n"
801 " -X<format> specifies error reporting format (gnu or vc)\n"
802 " -w+foo enables warning foo (equiv. -Wfoo)\n"
803 " -w-foo disable warning foo (equiv. -Wno-foo)\n\n"
804 " -h show invocation summary and exit\n\n"
805 "--prefix,--postfix\n"
806 " this options prepend or append the given argument to all\n"
807 " extern and global variables\n"
809 " do not restrict 64-bit code to 64-bit capable output\n"
810 " formats (use with care, no complaining)\n\n"
812 for (i
= 0; i
<= ERR_WARN_MAX
; i
++)
813 printf(" %-23s %s (default %s)\n",
814 warnings
[i
].name
, warnings
[i
].help
,
815 warnings
[i
].enabled
? "on" : "off");
817 ("\nresponse files should contain command line parameters"
818 ", one per line.\n");
820 printf("\nvalid output formats for -f are"
821 " (`*' denotes default):\n");
822 ofmt_list(ofmt
, stdout
);
824 printf("\nFor a list of valid output formats, use -hf.\n");
825 printf("For a list of debug formats, use -f <form> -y.\n");
827 exit(0); /* never need usage message here */
831 printf("\nvalid debug formats for '%s' output format are"
832 " ('*' denotes default):\n", ofmt
->shortname
);
833 dfmt_list(ofmt
, stdout
);
838 tasm_compatible_mode
= true;
845 case 'e': /* preprocess only */
847 operating_mode
= OP_PREPROCESS
;
850 case 'a': /* assemble only - don't preprocess */
851 preproc
= &preproc_nop
;
855 if (param
[0] == 'n' && param
[1] == 'o' && param
[2] == '-') {
864 if (param
[0] != '+' && param
[0] != '-') {
865 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
866 "invalid option to `-w'");
869 do_warn
= (param
[0] == '+');
873 for (i
= 0; i
<= ERR_WARN_MAX
; i
++) {
874 if (!nasm_stricmp(param
, warnings
[i
].name
))
877 if (i
<= ERR_WARN_MAX
) {
878 warning_on_global
[i
] = do_warn
;
879 } else if (!nasm_stricmp(param
, "all")) {
880 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
881 warning_on_global
[i
] = do_warn
;
882 } else if (!nasm_stricmp(param
, "none")) {
883 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
884 warning_on_global
[i
] = !do_warn
;
886 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
887 "invalid warning `%s'", param
);
894 operating_mode
= OP_DEPEND
;
897 operating_mode
= OP_DEPEND
;
898 depend_missing_ok
= true;
901 depend_emit_phony
= true;
904 operating_mode
= OP_NORMAL
;
917 depend_target
= quote_for_make(q
);
921 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
922 "unknown dependency option `-M%c'", p
[2]);
925 if (advance
&& (!q
|| !q
[0])) {
926 nasm_error(ERR_NONFATAL
|ERR_NOFILE
|ERR_USAGE
,
927 "option `-M%c' requires a parameter", p
[2]);
936 if (p
[2] == 0) { /* -- => stop processing options */
941 if (!nasm_stricmp(p
, "--v"))
944 for (s
= 0; textopts
[s
].label
; s
++) {
945 if (!nasm_stricmp(p
+ 2, textopts
[s
].label
)) {
956 nasm_error(ERR_NONFATAL
| ERR_NOFILE
|
958 "option `--%s' requires an argument",
962 advance
= 1, param
= q
;
967 strlcpy(lprefix
, param
, PREFIX_MAX
);
970 strlcpy(lpostfix
, param
, POSTFIX_MAX
);
973 nasm_error(ERR_PANIC
| ERR_NOFILE
,
982 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
983 "unrecognised option `--%s'", p
+ 2);
991 if (!ofmt
->setinfo(GI_SWITCH
, &p
))
992 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
993 "unrecognised option `-%c'", p
[1]);
998 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
999 "more than one input file specified");
1001 copy_filename(inname
, p
);
1008 #define ARG_BUF_DELTA 128
1010 static void process_respfile(FILE * rfile
)
1012 char *buffer
, *p
, *q
, *prevarg
;
1013 int bufsize
, prevargsize
;
1015 bufsize
= prevargsize
= ARG_BUF_DELTA
;
1016 buffer
= nasm_malloc(ARG_BUF_DELTA
);
1017 prevarg
= nasm_malloc(ARG_BUF_DELTA
);
1020 while (1) { /* Loop to handle all lines in file */
1022 while (1) { /* Loop to handle long lines */
1023 q
= fgets(p
, bufsize
- (p
- buffer
), rfile
);
1027 if (p
> buffer
&& p
[-1] == '\n')
1029 if (p
- buffer
> bufsize
- 10) {
1031 offset
= p
- buffer
;
1032 bufsize
+= ARG_BUF_DELTA
;
1033 buffer
= nasm_realloc(buffer
, bufsize
);
1034 p
= buffer
+ offset
;
1038 if (!q
&& p
== buffer
) {
1040 process_arg(prevarg
, NULL
);
1047 * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
1048 * them are present at the end of the line.
1050 *(p
= &buffer
[strcspn(buffer
, "\r\n\032")]) = '\0';
1052 while (p
> buffer
&& nasm_isspace(p
[-1]))
1055 p
= nasm_skip_spaces(buffer
);
1057 if (process_arg(prevarg
, p
))
1060 if ((int) strlen(p
) > prevargsize
- 10) {
1061 prevargsize
+= ARG_BUF_DELTA
;
1062 prevarg
= nasm_realloc(prevarg
, prevargsize
);
1064 strncpy(prevarg
, p
, prevargsize
);
1068 /* Function to process args from a string of args, rather than the
1069 * argv array. Used by the environment variable and response file
1072 static void process_args(char *args
)
1074 char *p
, *q
, *arg
, *prevarg
;
1075 char separator
= ' ';
1078 if (*p
&& *p
!= '-')
1083 while (*p
&& *p
!= separator
)
1085 while (*p
== separator
)
1089 if (process_arg(prevarg
, arg
))
1093 process_arg(arg
, NULL
);
1096 static void process_response_file(const char *file
)
1099 FILE *f
= fopen(file
, "r");
1104 while (fgets(str
, sizeof str
, f
)) {
1110 static void parse_cmdline(int argc
, char **argv
)
1113 char *envreal
, *envcopy
= NULL
, *p
;
1116 *inname
= *outname
= *listname
= *errname
= '\0';
1118 for (i
= 0; i
<= ERR_WARN_MAX
; i
++)
1119 warning_on_global
[i
] = warnings
[i
].enabled
;
1122 * First, process the NASMENV environment variable.
1124 envreal
= getenv("NASMENV");
1126 envcopy
= nasm_strdup(envreal
);
1127 process_args(envcopy
);
1132 * Now process the actual command line.
1137 if (argv
[0][0] == '@') {
1139 * We have a response file, so process this as a set of
1140 * arguments like the environment variable. This allows us
1141 * to have multiple arguments on a single line, which is
1142 * different to the -@resp file processing below for regular
1145 process_response_file(argv
[0]+1);
1149 if (!stopoptions
&& argv
[0][0] == '-' && argv
[0][1] == '@') {
1150 p
= get_param(argv
[0], argc
> 1 ? argv
[1] : NULL
, &advance
);
1152 rfile
= fopen(p
, "r");
1154 process_respfile(rfile
);
1157 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
1158 "unable to open response file `%s'", p
);
1161 advance
= process_arg(argv
[0], argc
> 1 ? argv
[1] : NULL
);
1162 argv
+= advance
, argc
-= advance
;
1166 * Look for basic command line typos. This definitely doesn't
1167 * catch all errors, but it might help cases of fumbled fingers.
1170 nasm_error(ERR_NONFATAL
| ERR_NOFILE
| ERR_USAGE
,
1171 "no input file specified");
1172 else if (!strcmp(inname
, errname
) ||
1173 !strcmp(inname
, outname
) ||
1174 !strcmp(inname
, listname
) ||
1175 (depend_file
&& !strcmp(inname
, depend_file
)))
1176 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
1177 "file `%s' is both input and output file",
1181 error_file
= fopen(errname
, "w");
1183 error_file
= stderr
; /* Revert to default! */
1184 nasm_error(ERR_FATAL
| ERR_NOFILE
| ERR_USAGE
,
1185 "cannot open file `%s' for error messages",
1191 static enum directives
getkw(char **directive
, char **value
);
1193 static void assemble_file(char *fname
, StrList
**depend_ptr
)
1195 char *directive
, *value
, *p
, *q
, *special
, *line
;
1201 struct tokenval tokval
;
1205 if (cmd_sb
== 32 && iflag_ffs(&cmd_cpu
) < IF_386
)
1206 nasm_error(ERR_FATAL
, "command line: "
1207 "32-bit segment size requires a higher cpu");
1209 pass_max
= prev_offset_changed
= (INT_MAX
>> 1) + 2; /* Almost unlimited */
1210 for (passn
= 1; pass0
<= 2; passn
++) {
1214 pass1
= pass0
== 2 ? 2 : 1; /* 1, 1, 1, ..., 1, 2 */
1215 pass2
= passn
> 1 ? 2 : 1; /* 1, 2, 2, ..., 2, 2 */
1216 /* pass0 0, 0, 0, ..., 1, 2 */
1218 def_label
= passn
> 1 ? redefine_label
: define_label
;
1220 globalbits
= sb
= cmd_sb
; /* set 'bits' to command line default */
1224 nasmlist
.init(listname
, nasm_error
);
1227 global_offset_changed
= 0; /* set by redefine_label */
1228 location
.segment
= ofmt
->section(NULL
, pass2
, &sb
);
1231 saa_rewind(forwrefs
);
1232 forwref
= saa_rstruct(forwrefs
);
1234 offsets
= raa_init();
1236 preproc
->reset(fname
, pass1
, &nasmlist
,
1237 pass1
== 2 ? depend_ptr
: NULL
);
1238 memcpy(warning_on
, warning_on_global
, (ERR_WARN_MAX
+1) * sizeof(bool));
1242 location
.known
= true;
1243 location
.offset
= offs
= get_curr_offs();
1245 while ((line
= preproc
->getline())) {
1250 * Here we parse our directives; this is not handled by the
1251 * 'real' parser. This really should be a separate function.
1254 d
= getkw(&directive
, &value
);
1259 case D_SEGMENT
: /* [SEGMENT n] */
1261 seg
= ofmt
->section(value
, pass2
, &sb
);
1262 if (seg
== NO_SEG
) {
1263 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1264 "segment name `%s' not recognized",
1268 location
.segment
= seg
;
1271 case D_SECTALIGN
: /* [SECTALIGN n] */
1275 tokval
.t_type
= TOKEN_INVALID
;
1276 e
= evaluate(stdscan
, NULL
, &tokval
, NULL
, pass2
, nasm_error
, NULL
);
1278 unsigned int align
= (unsigned int)e
->value
;
1279 if ((uint64_t)e
->value
> 0x7fffffff) {
1281 * FIXME: Please make some sane message here
1282 * ofmt should have some 'check' method which
1283 * would report segment alignment bounds.
1285 nasm_error(ERR_FATAL
,
1286 "incorrect segment alignment `%s'", value
);
1287 } else if (!is_power2(align
)) {
1288 nasm_error(ERR_NONFATAL
,
1289 "segment alignment `%s' is not power of two",
1293 /* callee should be able to handle all details */
1294 if (location
.segment
!= NO_SEG
)
1295 ofmt
->sectalign(location
.segment
, align
);
1299 case D_EXTERN
: /* [EXTERN label:special] */
1301 value
++; /* skip initial $ if present */
1304 while (*q
&& *q
!= ':')
1308 ofmt
->symdef(value
, 0L, 0L, 3, q
);
1310 } else if (passn
== 1) {
1315 while (*q
&& *q
!= ':') {
1321 nasm_error(ERR_NONFATAL
,
1322 "identifier expected after EXTERN");
1330 if (!is_extern(value
)) { /* allow re-EXTERN to be ignored */
1332 pass0
= 1; /* fake pass 1 in labels.c */
1333 declare_as_global(value
, special
);
1334 define_label(value
, seg_alloc(), 0L, NULL
,
1338 } /* else pass0 == 1 */
1340 case D_BITS
: /* [BITS bits] */
1341 globalbits
= sb
= get_bits(value
);
1343 case D_GLOBAL
: /* [GLOBAL symbol:special] */
1345 value
++; /* skip initial $ if present */
1346 if (pass0
== 2) { /* pass 2 */
1348 while (*q
&& *q
!= ':')
1352 ofmt
->symdef(value
, 0L, 0L, 3, q
);
1354 } else if (pass2
== 1) { /* pass == 1 */
1359 while (*q
&& *q
!= ':') {
1365 nasm_error(ERR_NONFATAL
,
1366 "identifier expected after GLOBAL");
1374 declare_as_global(value
, special
);
1377 case D_COMMON
: /* [COMMON symbol size:special] */
1382 value
++; /* skip initial $ if present */
1387 while (*p
&& !nasm_isspace(*p
)) {
1393 nasm_error(ERR_NONFATAL
,
1394 "identifier expected after COMMON");
1398 p
= nasm_zap_spaces_fwd(p
);
1400 while (*q
&& *q
!= ':')
1408 size
= readnum(p
, &rn_error
);
1410 nasm_error(ERR_NONFATAL
,
1411 "invalid size specified"
1412 " in COMMON declaration");
1416 nasm_error(ERR_NONFATAL
,
1417 "no size specified in"
1418 " COMMON declaration");
1423 define_common(value
, seg_alloc(), size
, special
);
1424 } else if (pass0
== 2) {
1426 ofmt
->symdef(value
, 0L, 0L, 3, special
);
1430 case D_ABSOLUTE
: /* [ABSOLUTE address] */
1433 tokval
.t_type
= TOKEN_INVALID
;
1434 e
= evaluate(stdscan
, NULL
, &tokval
, NULL
, pass2
,
1439 1 ? ERR_NONFATAL
: ERR_PANIC
,
1440 "cannot use non-relocatable expression as "
1441 "ABSOLUTE address");
1443 abs_seg
= reloc_seg(e
);
1444 abs_offset
= reloc_value(e
);
1446 } else if (passn
== 1)
1447 abs_offset
= 0x100; /* don't go near zero in case of / */
1449 nasm_error(ERR_PANIC
, "invalid ABSOLUTE address "
1452 location
.segment
= NO_SEG
;
1454 case D_DEBUG
: /* [DEBUG] */
1457 bool badid
, overlong
;
1461 badid
= overlong
= false;
1462 if (!isidstart(*p
)) {
1465 while (*p
&& !nasm_isspace(*p
)) {
1466 if (q
>= debugid
+ sizeof debugid
- 1) {
1477 nasm_error(passn
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1478 "identifier expected after DEBUG");
1482 nasm_error(passn
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1483 "DEBUG identifier too long");
1486 p
= nasm_skip_spaces(p
);
1488 dfmt
->debug_directive(debugid
, p
);
1491 case D_WARNING
: /* [WARNING {+|-|*}warn-name] */
1492 value
= nasm_skip_spaces(value
);
1494 case '-': validid
= 0; value
++; break;
1495 case '+': validid
= 1; value
++; break;
1496 case '*': validid
= 2; value
++; break;
1497 default: validid
= 1; break;
1500 for (i
= 1; i
<= ERR_WARN_MAX
; i
++)
1501 if (!nasm_stricmp(value
, warnings
[i
].name
))
1503 if (i
<= ERR_WARN_MAX
) {
1506 warning_on
[i
] = false;
1509 warning_on
[i
] = true;
1512 warning_on
[i
] = warning_on_global
[i
];
1516 nasm_error(ERR_NONFATAL
,
1517 "invalid warning id in WARNING directive");
1519 case D_CPU
: /* [CPU] */
1520 cpu
= get_cpu(value
);
1522 case D_LIST
: /* [LIST {+|-}] */
1523 value
= nasm_skip_spaces(value
);
1524 if (*value
== '+') {
1527 if (*value
== '-') {
1534 case D_DEFAULT
: /* [DEFAULT] */
1537 tokval
.t_type
= TOKEN_INVALID
;
1538 if (stdscan(NULL
, &tokval
) != TOKEN_INVALID
) {
1539 switch ((int)tokval
.t_integer
) {
1561 if (float_option(value
)) {
1562 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1563 "unknown 'float' directive: %s",
1568 if (ofmt
->directive(d
, value
, pass2
))
1570 /* else fall through */
1572 nasm_error(pass1
== 1 ? ERR_NONFATAL
: ERR_PANIC
,
1573 "unrecognised directive [%s]",
1578 nasm_error(ERR_NONFATAL
,
1579 "invalid parameter to [%s] directive",
1582 } else { /* it isn't a directive */
1583 parse_line(pass1
, line
, &output_ins
, def_label
);
1585 if (optimizing
> 0) {
1586 if (forwref
!= NULL
&& globallineno
== forwref
->lineno
) {
1587 output_ins
.forw_ref
= true;
1589 output_ins
.oprs
[forwref
->operand
].opflags
|= OPFLAG_FORWARD
;
1590 forwref
= saa_rstruct(forwrefs
);
1591 } while (forwref
!= NULL
1592 && forwref
->lineno
== globallineno
);
1594 output_ins
.forw_ref
= false;
1596 if (output_ins
.forw_ref
) {
1598 for (i
= 0; i
< output_ins
.operands
; i
++) {
1599 if (output_ins
.oprs
[i
].opflags
& OPFLAG_FORWARD
) {
1600 struct forwrefinfo
*fwinf
= (struct forwrefinfo
*)saa_wstruct(forwrefs
);
1601 fwinf
->lineno
= globallineno
;
1610 if (output_ins
.opcode
== I_EQU
) {
1613 * Special `..' EQUs get processed in pass two,
1614 * except `..@' macro-processor EQUs which are done
1615 * in the normal place.
1617 if (!output_ins
.label
)
1618 nasm_error(ERR_NONFATAL
,
1619 "EQU not preceded by label");
1621 else if (output_ins
.label
[0] != '.' ||
1622 output_ins
.label
[1] != '.' ||
1623 output_ins
.label
[2] == '@') {
1624 if (output_ins
.operands
== 1 &&
1625 (output_ins
.oprs
[0].type
& IMMEDIATE
) &&
1626 output_ins
.oprs
[0].wrt
== NO_SEG
) {
1627 bool isext
= !!(output_ins
.oprs
[0].opflags
& OPFLAG_EXTERN
);
1628 def_label(output_ins
.label
,
1629 output_ins
.oprs
[0].segment
,
1630 output_ins
.oprs
[0].offset
, NULL
,
1632 } else if (output_ins
.operands
== 2
1633 && (output_ins
.oprs
[0].type
& IMMEDIATE
)
1634 && (output_ins
.oprs
[0].type
& COLON
)
1635 && output_ins
.oprs
[0].segment
== NO_SEG
1636 && output_ins
.oprs
[0].wrt
== NO_SEG
1637 && (output_ins
.oprs
[1].type
& IMMEDIATE
)
1638 && output_ins
.oprs
[1].segment
== NO_SEG
1639 && output_ins
.oprs
[1].wrt
== NO_SEG
) {
1640 def_label(output_ins
.label
,
1641 output_ins
.oprs
[0].offset
| SEG_ABS
,
1642 output_ins
.oprs
[1].offset
,
1643 NULL
, false, false);
1645 nasm_error(ERR_NONFATAL
,
1646 "bad syntax for EQU");
1650 * Special `..' EQUs get processed here, except
1651 * `..@' macro processor EQUs which are done above.
1653 if (output_ins
.label
[0] == '.' &&
1654 output_ins
.label
[1] == '.' &&
1655 output_ins
.label
[2] != '@') {
1656 if (output_ins
.operands
== 1 &&
1657 (output_ins
.oprs
[0].type
& IMMEDIATE
)) {
1658 define_label(output_ins
.label
,
1659 output_ins
.oprs
[0].segment
,
1660 output_ins
.oprs
[0].offset
,
1661 NULL
, false, false);
1662 } else if (output_ins
.operands
== 2
1663 && (output_ins
.oprs
[0].type
& IMMEDIATE
)
1664 && (output_ins
.oprs
[0].type
& COLON
)
1665 && output_ins
.oprs
[0].segment
== NO_SEG
1666 && (output_ins
.oprs
[1].type
& IMMEDIATE
)
1667 && output_ins
.oprs
[1].segment
== NO_SEG
) {
1668 define_label(output_ins
.label
,
1669 output_ins
.oprs
[0].offset
| SEG_ABS
,
1670 output_ins
.oprs
[1].offset
,
1671 NULL
, false, false);
1673 nasm_error(ERR_NONFATAL
,
1674 "bad syntax for EQU");
1677 } else { /* instruction isn't an EQU */
1681 int64_t l
= insn_size(location
.segment
, offs
, sb
, cpu
,
1682 &output_ins
, nasm_error
);
1684 /* if (using_debug_info) && output_ins.opcode != -1) */
1685 if (using_debug_info
)
1686 { /* fbk 03/25/01 */
1687 /* this is done here so we can do debug type info */
1689 TYS_ELEMENTS(output_ins
.operands
);
1690 switch (output_ins
.opcode
) {
1693 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_BYTE
;
1697 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_WORD
;
1701 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_DWORD
;
1705 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_QWORD
;
1709 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_TBYTE
;
1713 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_OWORD
;
1717 TYS_ELEMENTS(output_ins
.oprs
[0].offset
) | TY_YWORD
;
1720 typeinfo
|= TY_BYTE
;
1723 typeinfo
|= TY_WORD
;
1726 if (output_ins
.eops_float
)
1727 typeinfo
|= TY_FLOAT
;
1729 typeinfo
|= TY_DWORD
;
1732 typeinfo
|= TY_QWORD
;
1735 typeinfo
|= TY_TBYTE
;
1738 typeinfo
|= TY_OWORD
;
1741 typeinfo
|= TY_YWORD
;
1744 typeinfo
= TY_LABEL
;
1748 dfmt
->debug_typevalue(typeinfo
);
1752 set_curr_offs(offs
);
1755 * else l == -1 => invalid instruction, which will be
1756 * flagged as an error on pass 2
1760 offs
+= assemble(location
.segment
, offs
, sb
, cpu
,
1761 &output_ins
, ofmt
, nasm_error
,
1763 set_curr_offs(offs
);
1767 cleanup_insn(&output_ins
);
1770 location
.offset
= offs
= get_curr_offs();
1771 } /* end while (line = preproc->getline... */
1773 if (pass0
== 2 && global_offset_changed
&& !terminate_after_phase
)
1774 nasm_error(ERR_NONFATAL
,
1775 "phase error detected at end of assembly.");
1778 preproc
->cleanup(1);
1780 if ((passn
> 1 && !global_offset_changed
) || pass0
== 2) {
1782 } else if (global_offset_changed
&&
1783 global_offset_changed
< prev_offset_changed
) {
1784 prev_offset_changed
= global_offset_changed
;
1790 if (terminate_after_phase
)
1793 if ((stall_count
> 997) || (passn
>= pass_max
)) {
1794 /* We get here if the labels don't converge
1795 * Example: FOO equ FOO + 1
1797 nasm_error(ERR_NONFATAL
,
1798 "Can't find valid values for all labels "
1799 "after %d passes, giving up.", passn
);
1800 nasm_error(ERR_NONFATAL
,
1801 "Possible causes: recursive EQUs, macro abuse.");
1806 preproc
->cleanup(0);
1808 if (!terminate_after_phase
&& opt_verbose_info
) {
1809 /* -On and -Ov switches */
1810 fprintf(stdout
, "info: assembly required 1+%d+1 passes\n", passn
-3);
1814 static enum directives
getkw(char **directive
, char **value
)
1818 buf
= nasm_skip_spaces(*directive
);
1820 /* it should be enclosed in [ ] */
1823 q
= strchr(buf
, ']');
1827 /* stip off the comments */
1828 p
= strchr(buf
, ';');
1830 if (p
< q
) /* ouch! somwhere inside */
1835 /* no brace, no trailing spaces */
1837 nasm_zap_spaces_rev(--q
);
1840 p
= nasm_skip_spaces(++buf
);
1841 q
= nasm_skip_word(p
);
1843 return D_none
; /* sigh... no value there */
1847 /* and value finally */
1848 p
= nasm_skip_spaces(++q
);
1851 return find_directive(*directive
);
1855 * gnu style error reporting
1856 * This function prints an error message to error_file in the
1857 * style used by GNU. An example would be:
1858 * file.asm:50: error: blah blah blah
1859 * where file.asm is the name of the file, 50 is the line number on
1860 * which the error occurs (or is detected) and "error:" is one of
1861 * the possible optional diagnostics -- it can be "error" or "warning"
1862 * or something else. Finally the line terminates with the actual
1865 * @param severity the severity of the warning or error
1866 * @param fmt the printf style format string
1868 static void nasm_verror_gnu(int severity
, const char *fmt
, va_list ap
)
1870 char *currentfile
= NULL
;
1873 if (is_suppressed_warning(severity
))
1876 if (!(severity
& ERR_NOFILE
))
1877 src_get(&lineno
, ¤tfile
);
1880 fprintf(error_file
, "%s:%"PRId32
": ", currentfile
, lineno
);
1881 nasm_free(currentfile
);
1883 fputs("nasm: ", error_file
);
1886 nasm_verror_common(severity
, fmt
, ap
);
1890 * MS style error reporting
1891 * This function prints an error message to error_file in the
1892 * style used by Visual C and some other Microsoft tools. An example
1894 * file.asm(50) : error: blah blah blah
1895 * where file.asm is the name of the file, 50 is the line number on
1896 * which the error occurs (or is detected) and "error:" is one of
1897 * the possible optional diagnostics -- it can be "error" or "warning"
1898 * or something else. Finally the line terminates with the actual
1901 * @param severity the severity of the warning or error
1902 * @param fmt the printf style format string
1904 static void nasm_verror_vc(int severity
, const char *fmt
, va_list ap
)
1906 char *currentfile
= NULL
;
1909 if (is_suppressed_warning(severity
))
1912 if (!(severity
& ERR_NOFILE
))
1913 src_get(&lineno
, ¤tfile
);
1916 fprintf(error_file
, "%s(%"PRId32
") : ", currentfile
, lineno
);
1917 nasm_free(currentfile
);
1919 fputs("nasm: ", error_file
);
1922 nasm_verror_common(severity
, fmt
, ap
);
1926 * check for supressed warning
1927 * checks for suppressed warning or pass one only warning and we're
1930 * @param severity the severity of the warning or error
1931 * @return true if we should abort error/warning printing
1933 static bool is_suppressed_warning(int severity
)
1935 /* Not a warning at all */
1936 if ((severity
& ERR_MASK
) != ERR_WARNING
)
1939 /* See if it's a pass-one only warning and we're not in pass one. */
1940 if (((severity
& ERR_PASS1
) && pass0
!= 1) ||
1941 ((severity
& ERR_PASS2
) && pass0
!= 2))
1944 /* Might be a warning but suppresed explicitly */
1945 if (severity
& ERR_WARN_MASK
)
1946 return !warning_on
[WARN_IDX(severity
)];
1952 * common error reporting
1953 * This is the common back end of the error reporting schemes currently
1954 * implemented. It prints the nature of the warning and then the
1955 * specific error message to error_file and may or may not return. It
1956 * doesn't return if the error severity is a "panic" or "debug" type.
1958 * @param severity the severity of the warning or error
1959 * @param fmt the printf style format string
1961 static void nasm_verror_common(int severity
, const char *fmt
, va_list args
)
1966 switch (severity
& (ERR_MASK
|ERR_NO_SEVERITY
)) {
1987 vsnprintf(msg
, sizeof msg
, fmt
, args
);
1989 fprintf(error_file
, "%s%s\n", pfx
, msg
);
1992 nasmlist
.error(severity
, pfx
, msg
);
1994 if (severity
& ERR_USAGE
)
1997 switch (severity
& ERR_MASK
) {
1999 /* no further action, by definition */
2002 /* Treat warnings as errors */
2003 if (warning_on
[WARN_IDX(ERR_WARN_TERM
)])
2004 terminate_after_phase
= true;
2007 terminate_after_phase
= true;
2017 exit(1); /* instantly die */
2018 break; /* placate silly compilers */
2021 /* abort(); */ /* halt, catch fire, and dump core */
2027 static void usage(void)
2029 fputs("type `nasm -h' for help\n", error_file
);
2032 static iflag_t
get_cpu(char *value
)
2036 iflag_clear_all(&r
);
2038 if (!strcmp(value
, "8086"))
2039 iflag_set(&r
, IF_8086
);
2040 else if (!strcmp(value
, "186"))
2041 iflag_set(&r
, IF_186
);
2042 else if (!strcmp(value
, "286"))
2043 iflag_set(&r
, IF_286
);
2044 else if (!strcmp(value
, "386"))
2045 iflag_set(&r
, IF_386
);
2046 else if (!strcmp(value
, "486"))
2047 iflag_set(&r
, IF_486
);
2048 else if (!strcmp(value
, "586") ||
2049 !nasm_stricmp(value
, "pentium"))
2050 iflag_set(&r
, IF_PENT
);
2051 else if (!strcmp(value
, "686") ||
2052 !nasm_stricmp(value
, "ppro") ||
2053 !nasm_stricmp(value
, "pentiumpro") ||
2054 !nasm_stricmp(value
, "p2"))
2055 iflag_set(&r
, IF_P6
);
2056 else if (!nasm_stricmp(value
, "p3") ||
2057 !nasm_stricmp(value
, "katmai"))
2058 iflag_set(&r
, IF_KATMAI
);
2059 else if (!nasm_stricmp(value
, "p4") || /* is this right? -- jrc */
2060 !nasm_stricmp(value
, "willamette"))
2061 iflag_set(&r
, IF_WILLAMETTE
);
2062 else if (!nasm_stricmp(value
, "prescott"))
2063 iflag_set(&r
, IF_PRESCOTT
);
2064 else if (!nasm_stricmp(value
, "x64") ||
2065 !nasm_stricmp(value
, "x86-64"))
2066 iflag_set(&r
, IF_X86_64
);
2067 else if (!nasm_stricmp(value
, "ia64") ||
2068 !nasm_stricmp(value
, "ia-64") ||
2069 !nasm_stricmp(value
, "itanium")||
2070 !nasm_stricmp(value
, "itanic") ||
2071 !nasm_stricmp(value
, "merced"))
2072 iflag_set(&r
, IF_IA64
);
2074 iflag_set(&r
, IF_PLEVEL
);
2075 nasm_error(pass0
< 2 ? ERR_NONFATAL
: ERR_FATAL
,
2076 "unknown 'cpu' type");
2081 static int get_bits(char *value
)
2085 if ((i
= atoi(value
)) == 16)
2086 return i
; /* set for a 16-bit segment */
2088 if (iflag_ffs(&cpu
) < IF_386
) {
2089 nasm_error(ERR_NONFATAL
,
2090 "cannot specify 32-bit segment on processor below a 386");
2093 } else if (i
== 64) {
2094 if (iflag_ffs(&cpu
) < IF_X86_64
) {
2095 nasm_error(ERR_NONFATAL
,
2096 "cannot specify 64-bit segment on processor below an x86-64");
2100 nasm_error(pass0
< 2 ? ERR_NONFATAL
: ERR_FATAL
,
2101 "`%s' is not a valid segment size; must be 16, 32 or 64",