1 /* ----------------------------------------------------------------------- *
3 * Copyright 1996-2011 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"
65 * This is the maximum number of optimization passes to do. If we ever
66 * find a case where the optimizer doesn't naturally converge, we might
67 * have to drop this value so the assembler doesn't appear to just hang.
69 #define MAX_OPTIMIZE (INT_MAX >> 1)
71 struct forwrefinfo { /* info held on forward refs. */
76 static int get_bits(char *value);
77 static uint32_t get_cpu(char *cpu_str);
78 static void parse_cmdline(int, char **);
79 static void assemble_file(char *, StrList **);
80 static void nasm_verror_gnu(int severity, const char *fmt, va_list args);
81 static void nasm_verror_vc(int severity, const char *fmt, va_list args);
82 static void nasm_verror_common(int severity, const char *fmt, va_list args);
83 static bool is_suppressed_warning(int severity);
84 static void usage(void);
86 static int using_debug_info, opt_verbose_info;
87 bool tasm_compatible_mode = false;
92 static time_t official_compile_time;
94 static char inname[FILENAME_MAX];
95 static char outname[FILENAME_MAX];
96 static char listname[FILENAME_MAX];
97 static char errname[FILENAME_MAX];
98 static int globallineno; /* for forward-reference tracking */
99 /* static int pass = 0; */
100 struct ofmt *ofmt = &OF_DEFAULT;
101 struct ofmt_alias *ofmt_alias = NULL;
102 const struct dfmt *dfmt;
104 static FILE *error_file; /* Where to write error messages */
107 int optimizing = MAX_OPTIMIZE; /* number of optimization passes to take */
108 static int sb, cmd_sb = 16; /* by default */
109 static uint32_t cmd_cpu = IF_PLEVEL; /* highest level by default */
110 static uint32_t cpu = IF_PLEVEL; /* passed to insn_size & assemble.c */
111 int64_t global_offset_changed; /* referenced in labels.c */
112 int64_t prev_offset_changed;
115 static struct location location;
116 int in_abs_seg; /* Flag we are in ABSOLUTE seg */
117 int32_t abs_seg; /* ABSOLUTE segment basis */
118 int32_t abs_offset; /* ABSOLUTE offset */
120 static struct RAA *offsets;
122 static struct SAA *forwrefs; /* keep track of forward references */
123 static const struct forwrefinfo *forwref;
125 static struct preproc_ops *preproc;
128 op_normal, /* Preprocess and assemble */
129 op_preprocess, /* Preprocess only */
130 op_depend, /* Generate dependencies */
132 static enum op_type operating_mode;
133 /* Dependency flags */
134 static bool depend_emit_phony = false;
135 static bool depend_missing_ok = false;
136 static const char *depend_target = NULL;
137 static const char *depend_file = NULL;
140 * Which of the suppressible warnings are suppressed. Entry zero
141 * isn't an actual warning, but it used for -w+error/-Werror.
144 static bool warning_on[ERR_WARN_MAX+1]; /* Current state */
145 static bool warning_on_global[ERR_WARN_MAX+1]; /* Command-line state */
147 static const struct warning {
151 } warnings[ERR_WARN_MAX+1] = {
152 {"error", "treat warnings as errors", false},
153 {"macro-params", "macro calls with wrong parameter count", true},
154 {"macro-selfref", "cyclic macro references", false},
155 {"macro-defaults", "macros with more default than optional parameters", true},
156 {"orphan-labels", "labels alone on lines without trailing `:'", true},
157 {"number-overflow", "numeric constant does not fit", true},
158 {"gnu-elf-extensions", "using 8- or 16-bit relocation in ELF32, a GNU extension", false},
159 {"float-overflow", "floating point overflow", true},
160 {"float-denorm", "floating point denormal", false},
161 {"float-underflow", "floating point underflow", false},
162 {"float-toolong", "too many digits in floating-point number", true},
163 {"user", "%warning directives", true},
167 * This is a null preprocessor which just copies lines from input
168 * to output. It's used when someone explicitly requests that NASM
169 * not preprocess their source file.
172 static void no_pp_reset(char *file, int pass, ListGen *listgen, StrList **deplist);
173 static char *no_pp_getline(void);
174 static void no_pp_cleanup(int pass);
176 static struct preproc_ops no_pp = {
183 * get/set current offset...
185 #define GET_CURR_OFFS (in_abs_seg?abs_offset:\
186 raa_read(offsets,location.segment))
187 #define SET_CURR_OFFS(x) (in_abs_seg?(void)(abs_offset=(x)):\
188 (void)(offsets=raa_write(offsets,location.segment,(x))))
190 static bool want_usage;
191 static bool terminate_after_phase;
192 int user_nolist = 0; /* fbk 9/2/00 */
194 static void nasm_fputs(const char *line, FILE * outfile)
197 fputs(line, outfile);
203 /* Convert a struct tm to a POSIX-style time constant */
204 static int64_t posix_mktime(struct tm *tm)
207 int64_t y = tm->tm_year;
209 /* See IEEE 1003.1:2004, section 4.14 */
211 t = (y-70)*365 + (y-69)/4 - (y-1)/100 + (y+299)/400;
223 static void define_macros_early(void)
226 struct tm lt, *lt_p, gm, *gm_p;
229 lt_p = localtime(&official_compile_time);
233 strftime(temp, sizeof temp, "__DATE__=\"%Y-%m-%d\"", <);
235 strftime(temp, sizeof temp, "__DATE_NUM__=%Y%m%d", <);
237 strftime(temp, sizeof temp, "__TIME__=\"%H:%M:%S\"", <);
239 strftime(temp, sizeof temp, "__TIME_NUM__=%H%M%S", <);
243 gm_p = gmtime(&official_compile_time);
247 strftime(temp, sizeof temp, "__UTC_DATE__=\"%Y-%m-%d\"", &gm);
249 strftime(temp, sizeof temp, "__UTC_DATE_NUM__=%Y%m%d", &gm);
251 strftime(temp, sizeof temp, "__UTC_TIME__=\"%H:%M:%S\"", &gm);
253 strftime(temp, sizeof temp, "__UTC_TIME_NUM__=%H%M%S", &gm);
258 posix_time = posix_mktime(&gm);
260 posix_time = posix_mktime(<);
265 snprintf(temp, sizeof temp, "__POSIX_TIME__=%"PRId64, posix_time);
270 static void define_macros_late(void)
275 * In case if output format is defined by alias
276 * we have to put shortname of the alias itself here
277 * otherwise ABI backward compatibility gets broken.
279 snprintf(temp, sizeof(temp), "__OUTPUT_FORMAT__=%s",
280 ofmt_alias ? ofmt_alias->shortname : ofmt->shortname);
284 static void emit_dependencies(StrList *list)
290 if (depend_file && strcmp(depend_file, "-")) {
291 deps = fopen(depend_file, "w");
293 nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
294 "unable to write dependency file `%s'", depend_file);
301 linepos = fprintf(deps, "%s:", depend_target);
302 list_for_each(l, list) {
303 len = strlen(l->str);
304 if (linepos + len > 62) {
305 fprintf(deps, " \\\n ");
308 fprintf(deps, " %s", l->str);
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);
330 want_usage = terminate_after_phase = false;
331 nasm_set_verror(nasm_verror_gnu);
337 nasm_init_malloc_error();
338 offsets = raa_init();
339 forwrefs = saa_init((int32_t)sizeof(struct forwrefinfo));
342 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 pp_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))
371 ? &depend_list : NULL;
373 depend_target = outname;
375 switch (operating_mode) {
380 if (depend_missing_ok)
381 pp_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 pp_pre_include(param);
723 case 'd': /* pre-define */
725 pp_pre_define(param);
728 case 'u': /* un-define */
730 pp_pre_undefine(param);
733 case 'i': /* include search path */
735 pp_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 " -I<path> adds a pathname to the include file path\n");
795 (" -O<digit> optimize branch offsets\n"
796 " -O0: No optimization (default)\n"
797 " -O1: Minimal optimization\n"
798 " -Ox: Multipass optimization (recommended)\n\n"
799 " -P<file> pre-includes a file\n"
800 " -D<macro>[=<value>] pre-defines a macro\n"
801 " -U<macro> undefines a macro\n"
802 " -X<format> specifies error reporting format (gnu or vc)\n"
803 " -w+foo enables warning foo (equiv. -Wfoo)\n"
804 " -w-foo disable warning foo (equiv. -Wno-foo)\n\n"
805 "--prefix,--postfix\n"
806 " this options prepend or append the given argument to all\n"
807 " extern and global variables\n\n"
809 for (i = 0; i <= ERR_WARN_MAX; i++)
810 printf(" %-23s %s (default %s)\n",
811 warnings[i].name, warnings[i].help,
812 warnings[i].enabled ? "on" : "off");
814 ("\nresponse files should contain command line parameters"
815 ", one per line.\n");
817 printf("\nvalid output formats for -f are"
818 " (`*' denotes default):\n");
819 ofmt_list(ofmt, stdout);
821 printf("\nFor a list of valid output formats, use -hf.\n");
822 printf("For a list of debug formats, use -f <form> -y.\n");
824 exit(0); /* never need usage message here */
828 printf("\nvalid debug formats for '%s' output format are"
829 " ('*' denotes default):\n", ofmt->shortname);
830 dfmt_list(ofmt, stdout);
835 tasm_compatible_mode = true;
839 printf("NASM version %s compiled on %s%s\n",
840 nasm_version, nasm_date, nasm_compile_options);
841 exit(0); /* never need usage message here */
844 case 'e': /* preprocess only */
846 operating_mode = op_preprocess;
849 case 'a': /* assemble only - don't preprocess */
854 if (param[0] == 'n' && param[1] == 'o' && param[2] == '-') {
863 if (param[0] != '+' && param[0] != '-') {
864 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
865 "invalid option to `-w'");
868 do_warn = (param[0] == '+');
872 for (i = 0; i <= ERR_WARN_MAX; i++) {
873 if (!nasm_stricmp(param, warnings[i].name))
876 if (i <= ERR_WARN_MAX) {
877 warning_on_global[i] = do_warn;
878 } else if (!nasm_stricmp(param, "all")) {
879 for (i = 1; i <= ERR_WARN_MAX; i++)
880 warning_on_global[i] = do_warn;
881 } else if (!nasm_stricmp(param, "none")) {
882 for (i = 1; i <= ERR_WARN_MAX; i++)
883 warning_on_global[i] = !do_warn;
885 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
886 "invalid warning `%s'", param);
893 operating_mode = op_depend;
896 operating_mode = op_depend;
897 depend_missing_ok = true;
900 depend_emit_phony = true;
911 depend_target = quote_for_make(q);
915 nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
916 "unknown dependency option `-M%c'", p[2]);
919 if (advance && (!q || !q[0])) {
920 nasm_error(ERR_NONFATAL|ERR_NOFILE|ERR_USAGE,
921 "option `-M%c' requires a parameter", p[2]);
930 if (p[2] == 0) { /* -- => stop processing options */
934 for (s = 0; textopts[s].label; s++) {
935 if (!nasm_stricmp(p + 2, textopts[s].label)) {
946 nasm_error(ERR_NONFATAL | ERR_NOFILE |
948 "option `--%s' requires an argument",
952 advance = 1, param = q;
955 if (s == OPT_PREFIX) {
956 strncpy(lprefix, param, PREFIX_MAX - 1);
957 lprefix[PREFIX_MAX - 1] = 0;
960 if (s == OPT_POSTFIX) {
961 strncpy(lpostfix, param, POSTFIX_MAX - 1);
962 lpostfix[POSTFIX_MAX - 1] = 0;
969 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
970 "unrecognised option `--%s'", p + 2);
978 if (!ofmt->setinfo(GI_SWITCH, &p))
979 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
980 "unrecognised option `-%c'", p[1]);
985 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
986 "more than one input file specified");
988 copy_filename(inname, p);
995 #define ARG_BUF_DELTA 128
997 static void process_respfile(FILE * rfile)
999 char *buffer, *p, *q, *prevarg;
1000 int bufsize, prevargsize;
1002 bufsize = prevargsize = ARG_BUF_DELTA;
1003 buffer = nasm_malloc(ARG_BUF_DELTA);
1004 prevarg = nasm_malloc(ARG_BUF_DELTA);
1007 while (1) { /* Loop to handle all lines in file */
1009 while (1) { /* Loop to handle long lines */
1010 q = fgets(p, bufsize - (p - buffer), rfile);
1014 if (p > buffer && p[-1] == '\n')
1016 if (p - buffer > bufsize - 10) {
1018 offset = p - buffer;
1019 bufsize += ARG_BUF_DELTA;
1020 buffer = nasm_realloc(buffer, bufsize);
1021 p = buffer + offset;
1025 if (!q && p == buffer) {
1027 process_arg(prevarg, NULL);
1034 * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
1035 * them are present at the end of the line.
1037 *(p = &buffer[strcspn(buffer, "\r\n\032")]) = '\0';
1039 while (p > buffer && nasm_isspace(p[-1]))
1042 p = nasm_skip_spaces(buffer);
1044 if (process_arg(prevarg, p))
1047 if ((int) strlen(p) > prevargsize - 10) {
1048 prevargsize += ARG_BUF_DELTA;
1049 prevarg = nasm_realloc(prevarg, prevargsize);
1051 strncpy(prevarg, p, prevargsize);
1055 /* Function to process args from a string of args, rather than the
1056 * argv array. Used by the environment variable and response file
1059 static void process_args(char *args)
1061 char *p, *q, *arg, *prevarg;
1062 char separator = ' ';
1065 if (*p && *p != '-')
1070 while (*p && *p != separator)
1072 while (*p == separator)
1076 if (process_arg(prevarg, arg))
1080 process_arg(arg, NULL);
1083 static void process_response_file(const char *file)
1086 FILE *f = fopen(file, "r");
1091 while (fgets(str, sizeof str, f)) {
1097 static void parse_cmdline(int argc, char **argv)
1100 char *envreal, *envcopy = NULL, *p;
1103 *inname = *outname = *listname = *errname = '\0';
1105 for (i = 0; i <= ERR_WARN_MAX; i++)
1106 warning_on_global[i] = warnings[i].enabled;
1109 * First, process the NASMENV environment variable.
1111 envreal = getenv("NASMENV");
1113 envcopy = nasm_strdup(envreal);
1114 process_args(envcopy);
1119 * Now process the actual command line.
1124 if (argv[0][0] == '@') {
1126 * We have a response file, so process this as a set of
1127 * arguments like the environment variable. This allows us
1128 * to have multiple arguments on a single line, which is
1129 * different to the -@resp file processing below for regular
1132 process_response_file(argv[0]+1);
1136 if (!stopoptions && argv[0][0] == '-' && argv[0][1] == '@') {
1137 p = get_param(argv[0], argc > 1 ? argv[1] : NULL, &advance);
1139 rfile = fopen(p, "r");
1141 process_respfile(rfile);
1144 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
1145 "unable to open response file `%s'", p);
1148 advance = process_arg(argv[0], argc > 1 ? argv[1] : NULL);
1149 argv += advance, argc -= advance;
1153 * Look for basic command line typos. This definitely doesn't
1154 * catch all errors, but it might help cases of fumbled fingers.
1157 nasm_error(ERR_NONFATAL | ERR_NOFILE | ERR_USAGE,
1158 "no input file specified");
1159 else if (!strcmp(inname, errname) ||
1160 !strcmp(inname, outname) ||
1161 !strcmp(inname, listname) ||
1162 (depend_file && !strcmp(inname, depend_file)))
1163 nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
1164 "file `%s' is both input and output file",
1168 error_file = fopen(errname, "w");
1170 error_file = stderr; /* Revert to default! */
1171 nasm_error(ERR_FATAL | ERR_NOFILE | ERR_USAGE,
1172 "cannot open file `%s' for error messages",
1178 static enum directives getkw(char **directive, char **value);
1180 static void assemble_file(char *fname, StrList **depend_ptr)
1182 char *directive, *value, *p, *q, *special, *line;
1188 struct tokenval tokval;
1192 if (cmd_sb == 32 && cmd_cpu < IF_386)
1193 nasm_error(ERR_FATAL, "command line: "
1194 "32-bit segment size requires a higher cpu");
1196 pass_max = prev_offset_changed = (INT_MAX >> 1) + 2; /* Almost unlimited */
1197 for (passn = 1; pass0 <= 2; passn++) {
1201 pass1 = pass0 == 2 ? 2 : 1; /* 1, 1, 1, ..., 1, 2 */
1202 pass2 = passn > 1 ? 2 : 1; /* 1, 2, 2, ..., 2, 2 */
1203 /* pass0 0, 0, 0, ..., 1, 2 */
1205 def_label = passn > 1 ? redefine_label : define_label;
1207 globalbits = sb = cmd_sb; /* set 'bits' to command line default */
1211 nasmlist.init(listname, nasm_error);
1214 global_offset_changed = 0; /* set by redefine_label */
1215 location.segment = ofmt->section(NULL, pass2, &sb);
1218 saa_rewind(forwrefs);
1219 forwref = saa_rstruct(forwrefs);
1221 offsets = raa_init();
1223 preproc->reset(fname, pass1, &nasmlist,
1224 pass1 == 2 ? depend_ptr : NULL);
1225 memcpy(warning_on, warning_on_global, (ERR_WARN_MAX+1) * sizeof(bool));
1229 location.known = true;
1230 location.offset = offs = GET_CURR_OFFS;
1232 while ((line = preproc->getline())) {
1237 * Here we parse our directives; this is not handled by the
1238 * 'real' parser. This really should be a separate function.
1241 d = getkw(&directive, &value);
1246 case D_SEGMENT: /* [SEGMENT n] */
1248 seg = ofmt->section(value, pass2, &sb);
1249 if (seg == NO_SEG) {
1250 nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
1251 "segment name `%s' not recognized",
1255 location.segment = seg;
1258 case D_SECTALIGN: /* [SECTALIGN n] */
1262 tokval.t_type = TOKEN_INVALID;
1263 e = evaluate(stdscan, NULL, &tokval, NULL, pass2, nasm_error, NULL);
1265 unsigned int align = (unsigned int)e->value;
1266 if ((uint64_t)e->value > 0x7fffffff) {
1268 * FIXME: Please make some sane message here
1269 * ofmt should have some 'check' method which
1270 * would report segment alignment bounds.
1272 nasm_error(ERR_FATAL,
1273 "incorrect segment alignment `%s'", value);
1274 } else if (!is_power2(align)) {
1275 nasm_error(ERR_NONFATAL,
1276 "segment alignment `%s' is not power of two",
1279 /* callee should be able to handle all details */
1280 ofmt->sectalign(location.segment, align);
1284 case D_EXTERN: /* [EXTERN label:special] */
1286 value++; /* skip initial $ if present */
1289 while (*q && *q != ':')
1293 ofmt->symdef(value, 0L, 0L, 3, q);
1295 } else if (passn == 1) {
1300 while (*q && *q != ':') {
1306 nasm_error(ERR_NONFATAL,
1307 "identifier expected after EXTERN");
1315 if (!is_extern(value)) { /* allow re-EXTERN to be ignored */
1317 pass0 = 1; /* fake pass 1 in labels.c */
1318 declare_as_global(value, special);
1319 define_label(value, seg_alloc(), 0L, NULL,
1323 } /* else pass0 == 1 */
1325 case D_BITS: /* [BITS bits] */
1326 globalbits = sb = get_bits(value);
1328 case D_GLOBAL: /* [GLOBAL symbol:special] */
1330 value++; /* skip initial $ if present */
1331 if (pass0 == 2) { /* pass 2 */
1333 while (*q && *q != ':')
1337 ofmt->symdef(value, 0L, 0L, 3, q);
1339 } else if (pass2 == 1) { /* pass == 1 */
1344 while (*q && *q != ':') {
1350 nasm_error(ERR_NONFATAL,
1351 "identifier expected after GLOBAL");
1359 declare_as_global(value, special);
1362 case D_COMMON: /* [COMMON symbol size:special] */
1367 value++; /* skip initial $ if present */
1372 while (*p && !nasm_isspace(*p)) {
1378 nasm_error(ERR_NONFATAL,
1379 "identifier expected after COMMON");
1383 p = nasm_zap_spaces_fwd(p);
1385 while (*q && *q != ':')
1393 size = readnum(p, &rn_error);
1395 nasm_error(ERR_NONFATAL,
1396 "invalid size specified"
1397 " in COMMON declaration");
1401 nasm_error(ERR_NONFATAL,
1402 "no size specified in"
1403 " COMMON declaration");
1408 define_common(value, seg_alloc(), size, special);
1409 } else if (pass0 == 2) {
1411 ofmt->symdef(value, 0L, 0L, 3, special);
1415 case D_ABSOLUTE: /* [ABSOLUTE address] */
1418 tokval.t_type = TOKEN_INVALID;
1419 e = evaluate(stdscan, NULL, &tokval, NULL, pass2,
1424 1 ? ERR_NONFATAL : ERR_PANIC,
1425 "cannot use non-relocatable expression as "
1426 "ABSOLUTE address");
1428 abs_seg = reloc_seg(e);
1429 abs_offset = reloc_value(e);
1431 } else if (passn == 1)
1432 abs_offset = 0x100; /* don't go near zero in case of / */
1434 nasm_error(ERR_PANIC, "invalid ABSOLUTE address "
1437 location.segment = NO_SEG;
1439 case D_DEBUG: /* [DEBUG] */
1442 bool badid, overlong;
1446 badid = overlong = false;
1447 if (!isidstart(*p)) {
1450 while (*p && !nasm_isspace(*p)) {
1451 if (q >= debugid + sizeof debugid - 1) {
1462 nasm_error(passn == 1 ? ERR_NONFATAL : ERR_PANIC,
1463 "identifier expected after DEBUG");
1467 nasm_error(passn == 1 ? ERR_NONFATAL : ERR_PANIC,
1468 "DEBUG identifier too long");
1471 p = nasm_skip_spaces(p);
1473 dfmt->debug_directive(debugid, p);
1476 case D_WARNING: /* [WARNING {+|-|*}warn-name] */
1477 value = nasm_skip_spaces(value);
1479 case '-': validid = 0; value++; break;
1480 case '+': validid = 1; value++; break;
1481 case '*': validid = 2; value++; break;
1482 default: validid = 1; break;
1485 for (i = 1; i <= ERR_WARN_MAX; i++)
1486 if (!nasm_stricmp(value, warnings[i].name))
1488 if (i <= ERR_WARN_MAX) {
1491 warning_on[i] = false;
1494 warning_on[i] = true;
1497 warning_on[i] = warning_on_global[i];
1502 nasm_error(ERR_NONFATAL,
1503 "invalid warning id in WARNING directive");
1505 case D_CPU: /* [CPU] */
1506 cpu = get_cpu(value);
1508 case D_LIST: /* [LIST {+|-}] */
1509 value = nasm_skip_spaces(value);
1510 if (*value == '+') {
1513 if (*value == '-') {
1520 case D_DEFAULT: /* [DEFAULT] */
1523 tokval.t_type = TOKEN_INVALID;
1524 if (stdscan(NULL, &tokval) == TOKEN_SPECIAL) {
1525 switch ((int)tokval.t_integer) {
1541 if (float_option(value)) {
1542 nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
1543 "unknown 'float' directive: %s",
1548 if (ofmt->directive(d, value, pass2))
1550 /* else fall through */
1552 nasm_error(pass1 == 1 ? ERR_NONFATAL : ERR_PANIC,
1553 "unrecognised directive [%s]",
1558 nasm_error(ERR_NONFATAL,
1559 "invalid parameter to [%s] directive",
1562 } else { /* it isn't a directive */
1563 parse_line(pass1, line, &output_ins, def_label);
1565 if (optimizing > 0) {
1566 if (forwref != NULL && globallineno == forwref->lineno) {
1567 output_ins.forw_ref = true;
1569 output_ins.oprs[forwref->operand].opflags |= OPFLAG_FORWARD;
1570 forwref = saa_rstruct(forwrefs);
1571 } while (forwref != NULL
1572 && forwref->lineno == globallineno);
1574 output_ins.forw_ref = false;
1576 if (output_ins.forw_ref) {
1578 for (i = 0; i < output_ins.operands; i++) {
1579 if (output_ins.oprs[i].opflags & OPFLAG_FORWARD) {
1580 struct forwrefinfo *fwinf =
1581 (struct forwrefinfo *)
1582 saa_wstruct(forwrefs);
1583 fwinf->lineno = globallineno;
1592 if (output_ins.opcode == I_EQU) {
1595 * Special `..' EQUs get processed in pass two,
1596 * except `..@' macro-processor EQUs which are done
1597 * in the normal place.
1599 if (!output_ins.label)
1600 nasm_error(ERR_NONFATAL,
1601 "EQU not preceded by label");
1603 else if (output_ins.label[0] != '.' ||
1604 output_ins.label[1] != '.' ||
1605 output_ins.label[2] == '@') {
1606 if (output_ins.operands == 1 &&
1607 (output_ins.oprs[0].type & IMMEDIATE) &&
1608 output_ins.oprs[0].wrt == NO_SEG) {
1609 bool isext = !!(output_ins.oprs[0].opflags
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)
1919 /* Not a warning at all */
1920 if ((severity & ERR_MASK) != ERR_WARNING)
1923 /* Might be a warning but suppresed explicitly */
1924 if (severity & ERR_WARN_MASK) {
1925 if (warning_on[WARN_IDX(severity)])
1929 /* See if it's a pass-one only warning and we're not in pass one. */
1930 if (((severity & ERR_PASS1) && pass0 != 1) ||
1931 ((severity & ERR_PASS2) && pass0 != 2))
1938 * common error reporting
1939 * This is the common back end of the error reporting schemes currently
1940 * implemented. It prints the nature of the warning and then the
1941 * specific error message to error_file and may or may not return. It
1942 * doesn't return if the error severity is a "panic" or "debug" type.
1944 * @param severity the severity of the warning or error
1945 * @param fmt the printf style format string
1947 static void nasm_verror_common(int severity, const char *fmt, va_list args)
1952 switch (severity & (ERR_MASK|ERR_NO_SEVERITY)) {
1973 vsnprintf(msg, sizeof msg, fmt, args);
1975 fprintf(error_file, "%s%s\n", pfx, msg);
1978 nasmlist.error(severity, pfx, msg);
1980 if (severity & ERR_USAGE)
1983 switch (severity & ERR_MASK) {
1985 /* no further action, by definition */
1988 /* Treat warnings as errors */
1989 if (warning_on[WARN_IDX(ERR_WARN_TERM)])
1990 terminate_after_phase = true;
1993 terminate_after_phase = true;
2003 exit(1); /* instantly die */
2004 break; /* placate silly compilers */
2007 /* abort(); *//* halt, catch fire, and dump core */
2013 static void usage(void)
2015 fputs("type `nasm -h' for help\n", error_file);
2018 #define BUF_DELTA 512
2020 static FILE *no_pp_fp;
2021 static ListGen *no_pp_list;
2022 static int32_t no_pp_lineinc;
2024 static void no_pp_reset(char *file, int pass, ListGen * listgen,
2027 src_set_fname(nasm_strdup(file));
2030 no_pp_fp = fopen(file, "r");
2032 nasm_error(ERR_FATAL | ERR_NOFILE,
2033 "unable to open input file `%s'", file);
2034 no_pp_list = listgen;
2035 (void)pass; /* placate compilers */
2038 StrList *sl = nasm_malloc(strlen(file)+1+sizeof sl->next);
2040 strcpy(sl->str, file);
2045 static char *no_pp_getline(void)
2047 char *buffer, *p, *q;
2050 bufsize = BUF_DELTA;
2051 buffer = nasm_malloc(BUF_DELTA);
2052 src_set_linnum(src_get_linnum() + no_pp_lineinc);
2054 while (1) { /* Loop to handle %line */
2057 while (1) { /* Loop to handle long lines */
2058 q = fgets(p, bufsize - (p - buffer), no_pp_fp);
2062 if (p > buffer && p[-1] == '\n')
2064 if (p - buffer > bufsize - 10) {
2066 offset = p - buffer;
2067 bufsize += BUF_DELTA;
2068 buffer = nasm_realloc(buffer, bufsize);
2069 p = buffer + offset;
2073 if (!q && p == buffer) {
2079 * Play safe: remove CRs, LFs and any spurious ^Zs, if any of
2080 * them are present at the end of the line.
2082 buffer[strcspn(buffer, "\r\n\032")] = '\0';
2084 if (!nasm_strnicmp(buffer, "%line", 5)) {
2087 char *nm = nasm_malloc(strlen(buffer));
2088 if (sscanf(buffer + 5, "%"PRId32"+%d %s", &ln, &li, nm) == 3) {
2089 nasm_free(src_set_fname(nm));
2099 no_pp_list->line(LIST_READ, buffer);
2104 static void no_pp_cleanup(int pass)
2106 (void)pass; /* placate GCC */
2113 static uint32_t get_cpu(char *value)
2115 if (!strcmp(value, "8086"))
2117 if (!strcmp(value, "186"))
2119 if (!strcmp(value, "286"))
2121 if (!strcmp(value, "386"))
2123 if (!strcmp(value, "486"))
2125 if (!strcmp(value, "586") || !nasm_stricmp(value, "pentium"))
2127 if (!strcmp(value, "686") ||
2128 !nasm_stricmp(value, "ppro") ||
2129 !nasm_stricmp(value, "pentiumpro") || !nasm_stricmp(value, "p2"))
2131 if (!nasm_stricmp(value, "p3") || !nasm_stricmp(value, "katmai"))
2133 if (!nasm_stricmp(value, "p4") || /* is this right? -- jrc */
2134 !nasm_stricmp(value, "willamette"))
2135 return IF_WILLAMETTE;
2136 if (!nasm_stricmp(value, "prescott"))
2138 if (!nasm_stricmp(value, "x64") ||
2139 !nasm_stricmp(value, "x86-64"))
2141 if (!nasm_stricmp(value, "ia64") ||
2142 !nasm_stricmp(value, "ia-64") ||
2143 !nasm_stricmp(value, "itanium") ||
2144 !nasm_stricmp(value, "itanic") || !nasm_stricmp(value, "merced"))
2147 nasm_error(pass0 < 2 ? ERR_NONFATAL : ERR_FATAL,
2148 "unknown 'cpu' type");
2150 return IF_PLEVEL; /* the maximum level */
2153 static int get_bits(char *value)
2157 if ((i = atoi(value)) == 16)
2158 return i; /* set for a 16-bit segment */
2161 nasm_error(ERR_NONFATAL,
2162 "cannot specify 32-bit segment on processor below a 386");
2165 } else if (i == 64) {
2166 if (cpu < IF_X86_64) {
2167 nasm_error(ERR_NONFATAL,
2168 "cannot specify 64-bit segment on processor below an x86-64");
2172 nasm_error(ERR_NONFATAL,
2173 "%s output format does not support 64-bit code",
2178 nasm_error(pass0 < 2 ? ERR_NONFATAL : ERR_FATAL,
2179 "`%s' is not a valid segment size; must be 16, 32 or 64",