H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1 | /* The Netwide Assembler main program module |
| 2 | * |
| 3 | * The Netwide Assembler is copyright (C) 1996 Simon Tatham and |
| 4 | * Julian Hall. All rights reserved. The software is |
| 5 | * redistributable under the licence given in the file "Licence" |
| 6 | * distributed in the NASM archive. |
| 7 | */ |
| 8 | |
| 9 | #include <stdio.h> |
| 10 | #include <stdarg.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <string.h> |
| 13 | #include <ctype.h> |
| 14 | |
| 15 | #include "nasm.h" |
| 16 | #include "nasmlib.h" |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 17 | #include "preproc.h" |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 18 | #include "parser.h" |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 19 | #include "eval.h" |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 20 | #include "assemble.h" |
| 21 | #include "labels.h" |
| 22 | #include "outform.h" |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 23 | #include "listing.h" |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 24 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 25 | struct forwrefinfo { /* info held on forward refs. */ |
| 26 | int lineno; |
| 27 | int operand; |
| 28 | }; |
| 29 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 30 | static void report_error (int, char *, ...); |
| 31 | static void parse_cmdline (int, char **); |
| 32 | static void assemble_file (char *); |
| 33 | static int getkw (char *buf, char **value); |
| 34 | static void register_output_formats(void); |
| 35 | static void usage(void); |
| 36 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 37 | static int using_debug_info; |
| 38 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 39 | static char inname[FILENAME_MAX]; |
| 40 | static char outname[FILENAME_MAX]; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 41 | static char listname[FILENAME_MAX]; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 42 | static int globallineno; /* for forward-reference tracking */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 43 | static int pass; |
| 44 | static struct ofmt *ofmt = NULL; |
| 45 | |
H. Peter Anvin | ef7468f | 2002-04-30 20:57:59 +0000 | [diff] [blame^] | 46 | static FILE *error_file; /* Where to write error messages */ |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 47 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 48 | static FILE *ofile = NULL; |
| 49 | static int sb = 16; /* by default */ |
| 50 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 51 | static loc_t location; |
| 52 | int in_abs_seg; /* Flag we are in ABSOLUTE seg */ |
| 53 | static long abs_seg; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 54 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 55 | static struct RAA *offsets; |
| 56 | static long abs_offset; |
H. Peter Anvin | ea83827 | 2002-04-30 20:51:53 +0000 | [diff] [blame] | 57 | |
| 58 | static struct SAA *forwrefs; /* keep track of forward references */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 59 | static struct forwrefinfo *forwref; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 60 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 61 | static Preproc *preproc; |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 62 | enum op_type { |
| 63 | op_normal, /* Preprocess and assemble */ |
| 64 | op_preprocess, /* Preprocess only */ |
| 65 | op_depend /* Generate dependencies */ |
| 66 | }; |
| 67 | static enum op_type operating_mode; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 68 | |
| 69 | /* used by error function to report location */ |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 70 | |
| 71 | /* |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 72 | * Which of the suppressible warnings are suppressed. Entry zero |
| 73 | * doesn't do anything. Initial defaults are given here. |
| 74 | */ |
| 75 | static char suppressed[1+ERR_WARN_MAX] = { |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 76 | 0, TRUE, TRUE, FALSE |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | /* |
| 80 | * The option names for the suppressible warnings. As before, entry |
| 81 | * zero does nothing. |
| 82 | */ |
| 83 | static char *suppressed_names[1+ERR_WARN_MAX] = { |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 84 | NULL, "macro-params", "orphan-labels", "number-overflow" |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 85 | }; |
| 86 | |
| 87 | /* |
| 88 | * The explanations for the suppressible warnings. As before, entry |
| 89 | * zero does nothing. |
| 90 | */ |
| 91 | static char *suppressed_what[1+ERR_WARN_MAX] = { |
| 92 | NULL, "macro calls with wrong no. of params", |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 93 | "labels alone on lines without trailing `:'", |
| 94 | "numeric constants greater than 0xFFFFFFFF" |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 95 | }; |
| 96 | |
| 97 | /* |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 98 | * This is a null preprocessor which just copies lines from input |
| 99 | * to output. It's used when someone explicitly requests that NASM |
| 100 | * not preprocess their source file. |
| 101 | */ |
| 102 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 103 | static void no_pp_reset (char *, int, efunc, evalfunc, ListGen *); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 104 | static char *no_pp_getline (void); |
| 105 | static void no_pp_cleanup (void); |
| 106 | static Preproc no_pp = { |
| 107 | no_pp_reset, |
| 108 | no_pp_getline, |
| 109 | no_pp_cleanup |
| 110 | }; |
| 111 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 112 | /* |
| 113 | * get/set current offset... |
| 114 | */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 115 | #define get_curr_ofs (in_abs_seg?abs_offset:\ |
| 116 | raa_read(offsets,location.segment)) |
| 117 | #define set_curr_ofs(x) (in_abs_seg?(void)(abs_offset=(x)):\ |
| 118 | (void)(offsets=raa_write(offsets,location.segment,(x)))) |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 119 | |
| 120 | static int want_usage; |
| 121 | static int terminate_after_phase; |
| 122 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 123 | static void nasm_fputs(char *line, FILE *ofile) |
| 124 | { |
| 125 | if (ofile) { |
| 126 | fputs(line, ofile); |
| 127 | fputc('\n', ofile); |
| 128 | } else |
| 129 | puts(line); |
| 130 | } |
| 131 | |
| 132 | int main(int argc, char **argv) |
| 133 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 134 | want_usage = terminate_after_phase = FALSE; |
| 135 | |
| 136 | nasm_set_malloc_error (report_error); |
| 137 | offsets = raa_init(); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 138 | forwrefs = saa_init ((long)sizeof(struct forwrefinfo)); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 139 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 140 | preproc = &nasmpp; |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 141 | operating_mode = op_normal; |
H. Peter Anvin | ef7468f | 2002-04-30 20:57:59 +0000 | [diff] [blame^] | 142 | |
| 143 | error_file = stderr; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 144 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 145 | seg_init(); |
| 146 | |
| 147 | register_output_formats(); |
| 148 | |
| 149 | parse_cmdline(argc, argv); |
| 150 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 151 | if (terminate_after_phase) |
| 152 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 153 | if (want_usage) |
| 154 | usage(); |
| 155 | return 1; |
| 156 | } |
| 157 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 158 | if (ofmt->stdmac) |
| 159 | pp_extra_stdmac (ofmt->stdmac); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 160 | parser_global_info (ofmt, &location); |
| 161 | eval_global_info (ofmt, lookup_label, &location); |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 162 | |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 163 | switch ( operating_mode ) { |
| 164 | case op_depend: |
| 165 | { |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 166 | char *line; |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 167 | preproc->reset (inname, 0, report_error, evaluate, &nasmlist); |
| 168 | if (outname[0] == '\0') |
| 169 | ofmt->filename (inname, outname, report_error); |
| 170 | ofile = NULL; |
| 171 | printf("%s: %s", outname, inname); |
| 172 | while ( (line = preproc->getline()) ) |
| 173 | nasm_free (line); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 174 | preproc->cleanup(); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 175 | putc('\n', stdout); |
| 176 | } |
| 177 | break; |
| 178 | |
| 179 | case op_preprocess: |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 180 | { |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 181 | char *line; |
| 182 | char *file_name = NULL; |
| 183 | long prior_linnum=0; |
| 184 | int lineinc=0; |
| 185 | |
| 186 | if (*outname) { |
| 187 | ofile = fopen(outname, "w"); |
| 188 | if (!ofile) |
| 189 | report_error (ERR_FATAL | ERR_NOFILE, |
| 190 | "unable to open output file `%s'", outname); |
| 191 | } else |
| 192 | ofile = NULL; |
| 193 | |
| 194 | location.known = FALSE; |
| 195 | |
| 196 | preproc->reset (inname, 2, report_error, evaluate, &nasmlist); |
| 197 | while ( (line = preproc->getline()) ) { |
| 198 | /* |
| 199 | * We generate %line directives if needed for later programs |
| 200 | */ |
| 201 | long linnum = prior_linnum += lineinc; |
| 202 | int altline = src_get(&linnum, &file_name); |
| 203 | if (altline) { |
| 204 | if (altline==1 && lineinc==1) |
| 205 | nasm_fputs("", ofile); |
| 206 | else { |
| 207 | lineinc = (altline != -1 || lineinc!=1); |
| 208 | fprintf(ofile ? ofile : stdout, "%%line %ld+%d %s\n", |
| 209 | linnum, lineinc, file_name); |
| 210 | } |
| 211 | prior_linnum = linnum; |
| 212 | } |
| 213 | nasm_fputs(line, ofile); |
| 214 | nasm_free (line); |
| 215 | } |
| 216 | nasm_free(file_name); |
| 217 | preproc->cleanup(); |
| 218 | if (ofile) |
| 219 | fclose(ofile); |
| 220 | if (ofile && terminate_after_phase) |
| 221 | remove(outname); |
| 222 | } |
| 223 | break; |
| 224 | |
| 225 | case op_normal: |
| 226 | { |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 227 | /* |
| 228 | * We must call ofmt->filename _anyway_, even if the user |
| 229 | * has specified their own output file, because some |
| 230 | * formats (eg OBJ and COFF) use ofmt->filename to find out |
| 231 | * the name of the input file and then put that inside the |
| 232 | * file. |
| 233 | */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 234 | ofmt->filename (inname, outname, report_error); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 235 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 236 | ofile = fopen(outname, "wb"); |
| 237 | if (!ofile) { |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 238 | report_error (ERR_FATAL | ERR_NOFILE, |
| 239 | "unable to open output file `%s'", outname); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 240 | } |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 241 | |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 242 | /* |
| 243 | * We must call init_labels() before ofmt->init() since |
| 244 | * some object formats will want to define labels in their |
| 245 | * init routines. (eg OS/2 defines the FLAT group) |
| 246 | */ |
| 247 | init_labels (); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 248 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 249 | ofmt->init (ofile, report_error, define_label, evaluate); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 250 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 251 | assemble_file (inname); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 252 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 253 | if (!terminate_after_phase) { |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 254 | ofmt->cleanup (using_debug_info); |
| 255 | cleanup_labels (); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 256 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 257 | else { |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 258 | |
| 259 | /* |
| 260 | * We had an fclose on the output file here, but we |
| 261 | * actually do that in all the object file drivers as well, |
| 262 | * so we're leaving out the one here. |
| 263 | * fclose (ofile); |
| 264 | */ |
| 265 | |
| 266 | remove(outname); |
| 267 | if (listname[0]) |
| 268 | remove(listname); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 269 | } |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 270 | } |
| 271 | break; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 272 | } |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 273 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 274 | if (want_usage) |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 275 | usage(); |
| 276 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 277 | raa_free (offsets); |
| 278 | saa_free (forwrefs); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 279 | eval_cleanup (); |
| 280 | nasmlib_cleanup (); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 281 | |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 282 | if (terminate_after_phase) |
| 283 | return 1; |
| 284 | else |
| 285 | return 0; |
| 286 | } |
| 287 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 288 | |
| 289 | /* |
| 290 | * Get a parameter for a command line option. |
| 291 | * First arg must be in the form of e.g. -f... |
| 292 | */ |
| 293 | static char *get_param (char *p, char *q, int *advance) |
| 294 | { |
| 295 | *advance = 0; |
| 296 | if (p[2]) /* the parameter's in the option */ |
| 297 | { |
| 298 | p += 2; |
| 299 | while (isspace(*p)) |
| 300 | p++; |
| 301 | return p; |
| 302 | } |
| 303 | if (q && q[0]) |
| 304 | { |
| 305 | *advance = 1; |
| 306 | return q; |
| 307 | } |
| 308 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 309 | "option `-%c' requires an argument", |
| 310 | p[1]); |
| 311 | return NULL; |
| 312 | } |
| 313 | |
| 314 | int stopoptions = 0; |
| 315 | static int process_arg (char *p, char *q) |
| 316 | { |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 317 | char *param; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 318 | int i, advance = 0; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 319 | |
| 320 | if (!p || !p[0]) |
| 321 | return 0; |
| 322 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 323 | if (p[0]=='-' && ! stopoptions) |
| 324 | { |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 325 | switch (p[1]) { |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 326 | case '-': /* -- => stop processing options */ |
| 327 | stopoptions = 1; |
| 328 | break; |
| 329 | case 's': /* silently ignored for compatibility */ |
| 330 | break; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 331 | case 'o': /* these parameters take values */ |
| 332 | case 'f': |
| 333 | case 'p': |
| 334 | case 'd': |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 335 | case 'D': |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 336 | case 'i': |
| 337 | case 'l': |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 338 | case 'E': |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 339 | case 'F': |
| 340 | if ( !(param = get_param (p, q, &advance)) ) |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 341 | break; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 342 | if (p[1]=='o') { /* output file */ |
| 343 | strcpy (outname, param); |
| 344 | } else if (p[1]=='f') { /* output format */ |
| 345 | ofmt = ofmt_find(param); |
| 346 | if (!ofmt) { |
| 347 | report_error (ERR_FATAL | ERR_NOFILE | ERR_USAGE, |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 348 | "unrecognised output format `%s' - " |
| 349 | "use -hf for a list", |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 350 | param); |
| 351 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 352 | else |
| 353 | ofmt->current_dfmt = ofmt->debug_formats[0]; |
H. Peter Anvin | ef7468f | 2002-04-30 20:57:59 +0000 | [diff] [blame^] | 354 | } else if (p[1]=='P' || p[1]=='p') { /* pre-include */ |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 355 | pp_pre_include (param); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 356 | } else if (p[1]=='D' || p[1]=='d') { /* pre-define */ |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 357 | pp_pre_define (param); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 358 | } else if (p[1]=='U' || p[1]=='u') { /* un-define */ |
| 359 | pp_pre_undefine (param); |
H. Peter Anvin | ef7468f | 2002-04-30 20:57:59 +0000 | [diff] [blame^] | 360 | } else if (p[1]=='I' || p[1]=='i') { /* include search path */ |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 361 | pp_include_path (param); |
| 362 | } else if (p[1]=='l') { /* listing file */ |
| 363 | strcpy (listname, param); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 364 | } else if (p[1]=='E') { /* error messages file */ |
| 365 | error_file = fopen(param, "wt"); |
| 366 | if ( !error_file ) { |
| 367 | error_file = stderr; /* Revert to default! */ |
| 368 | report_error (ERR_FATAL | ERR_NOFILE | ERR_USAGE, |
| 369 | "cannot open file `%s' for error messages", |
| 370 | param); |
| 371 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 372 | } else if (p[1] == 'F') { /* specify debug format */ |
| 373 | ofmt->current_dfmt = dfmt_find(ofmt, param); |
| 374 | if (!ofmt->current_dfmt) { |
| 375 | report_error (ERR_FATAL | ERR_NOFILE | ERR_USAGE, |
| 376 | "unrecognized debug format `%s' for" |
| 377 | " output format `%s'", |
| 378 | param, ofmt->shortname); |
| 379 | } |
| 380 | } |
| 381 | break; |
| 382 | case 'g': |
| 383 | using_debug_info = TRUE; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 384 | break; |
| 385 | case 'h': |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 386 | printf("usage: nasm [-@ response file] [-o outfile] [-f format] " |
| 387 | "[-l listfile]\n" |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 388 | " [options...] [--] filename\n" |
| 389 | " or nasm -r for version info\n\n" |
| 390 | " -e preprocess only (writes output to stdout by default)\n" |
| 391 | " -a don't preprocess (assemble only)\n" |
| 392 | " -M generate Makefile dependencies on stdout\n\n" |
| 393 | " -E<file> redirect error messages to file\n\n" |
| 394 | " -g enable debug info\n" |
| 395 | " -F format select a debugging format\n\n" |
H. Peter Anvin | ef7468f | 2002-04-30 20:57:59 +0000 | [diff] [blame^] | 396 | " -I<path> adds a pathname to the include file path\n" |
| 397 | " -P<file> pre-includes a file\n" |
| 398 | " -D<macro>[=<value>] pre-defines a macro\n" |
| 399 | " -U<macro> undefines a macro\n" |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 400 | " -w+foo enables warnings about foo; -w-foo disables them\n" |
| 401 | "where foo can be:\n"); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 402 | for (i=1; i<=ERR_WARN_MAX; i++) |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 403 | printf(" %-16s%s (default %s)\n", |
| 404 | suppressed_names[i], suppressed_what[i], |
| 405 | suppressed[i] ? "off" : "on"); |
| 406 | printf ("\nresponse files should contain command line parameters" |
| 407 | ", one per line.\n"); |
| 408 | if (p[2] == 'f') { |
| 409 | printf("\nvalid output formats for -f are" |
| 410 | " (`*' denotes default):\n"); |
| 411 | ofmt_list(ofmt, stdout); |
| 412 | } |
| 413 | else { |
| 414 | printf ("\nFor a list of valid output formats, use -hf.\n"); |
| 415 | printf ("For a list of debug formats, use -f <form> -y.\n"); |
| 416 | } |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 417 | exit (0); /* never need usage message here */ |
| 418 | break; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 419 | case 'y': |
| 420 | printf("\nvalid debug formats for '%s' output format are" |
| 421 | " ('*' denotes default):\n", |
| 422 | ofmt->shortname); |
| 423 | dfmt_list(ofmt, stdout); |
| 424 | exit(0); |
| 425 | break; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 426 | case 'r': |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 427 | printf("NASM version %s\n", NASM_VER); |
| 428 | #ifdef DEBUG |
| 429 | printf("Compiled with -DDEBUG on " __DATE__ "\n"); |
| 430 | #endif |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 431 | exit (0); /* never need usage message here */ |
| 432 | break; |
| 433 | case 'e': /* preprocess only */ |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 434 | operating_mode = op_preprocess; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 435 | break; |
| 436 | case 'a': /* assemble only - don't preprocess */ |
| 437 | preproc = &no_pp; |
| 438 | break; |
| 439 | case 'w': |
| 440 | if (p[2] != '+' && p[2] != '-') { |
| 441 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 442 | "invalid option to `-w'"); |
| 443 | } else { |
| 444 | for (i=1; i<=ERR_WARN_MAX; i++) |
| 445 | if (!nasm_stricmp(p+3, suppressed_names[i])) |
| 446 | break; |
| 447 | if (i <= ERR_WARN_MAX) |
| 448 | suppressed[i] = (p[2] == '-'); |
| 449 | else |
| 450 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 451 | "invalid option to `-w'"); |
| 452 | } |
| 453 | break; |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 454 | case 'M': |
| 455 | operating_mode = op_depend; |
| 456 | break; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 457 | default: |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 458 | if (!ofmt->setinfo(GI_SWITCH,&p)) |
| 459 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 460 | "unrecognised option `-%c'", |
| 461 | p[1]); |
| 462 | break; |
| 463 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 464 | } |
| 465 | else |
| 466 | { |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 467 | if (*inname) { |
| 468 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 469 | "more than one input file specified"); |
| 470 | } else |
| 471 | strcpy(inname, p); |
| 472 | } |
| 473 | |
| 474 | return advance; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 475 | } |
| 476 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 477 | #define ARG_BUF_DELTA 128 |
| 478 | |
| 479 | static void process_respfile (FILE *rfile) |
| 480 | { |
| 481 | char *buffer, *p, *q, *prevarg; |
| 482 | int bufsize, prevargsize; |
| 483 | |
| 484 | bufsize = prevargsize = ARG_BUF_DELTA; |
| 485 | buffer = nasm_malloc(ARG_BUF_DELTA); |
| 486 | prevarg = nasm_malloc(ARG_BUF_DELTA); |
| 487 | prevarg[0] = '\0'; |
| 488 | |
| 489 | while (1) { /* Loop to handle all lines in file */ |
| 490 | |
| 491 | p = buffer; |
| 492 | while (1) { /* Loop to handle long lines */ |
| 493 | q = fgets(p, bufsize-(p-buffer), rfile); |
| 494 | if (!q) |
| 495 | break; |
| 496 | p += strlen(p); |
| 497 | if (p > buffer && p[-1] == '\n') |
| 498 | break; |
| 499 | if (p-buffer > bufsize-10) { |
| 500 | int offset; |
| 501 | offset = p - buffer; |
| 502 | bufsize += ARG_BUF_DELTA; |
| 503 | buffer = nasm_realloc(buffer, bufsize); |
| 504 | p = buffer + offset; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | if (!q && p == buffer) { |
| 509 | if (prevarg[0]) |
| 510 | process_arg (prevarg, NULL); |
| 511 | nasm_free (buffer); |
| 512 | nasm_free (prevarg); |
| 513 | return; |
| 514 | } |
| 515 | |
| 516 | /* |
| 517 | * Play safe: remove CRs, LFs and any spurious ^Zs, if any of |
| 518 | * them are present at the end of the line. |
| 519 | */ |
| 520 | *(p = &buffer[strcspn(buffer, "\r\n\032")]) = '\0'; |
| 521 | |
| 522 | while (p > buffer && isspace(p[-1])) |
| 523 | *--p = '\0'; |
| 524 | |
| 525 | p = buffer; |
| 526 | while (isspace(*p)) |
| 527 | p++; |
| 528 | |
| 529 | if (process_arg (prevarg, p)) |
| 530 | *p = '\0'; |
| 531 | |
| 532 | if (strlen(p) > prevargsize-10) { |
| 533 | prevargsize += ARG_BUF_DELTA; |
| 534 | prevarg = nasm_realloc(prevarg, prevargsize); |
| 535 | } |
| 536 | strcpy (prevarg, p); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | static void parse_cmdline(int argc, char **argv) |
| 541 | { |
| 542 | FILE *rfile; |
| 543 | char *envreal, *envcopy=NULL, *p, *q, *arg, *prevarg; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 544 | char separator = ' '; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 545 | |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 546 | *inname = *outname = *listname = '\0'; |
| 547 | |
| 548 | /* |
| 549 | * First, process the NASM environment variable. |
| 550 | */ |
| 551 | envreal = getenv("NASM"); |
| 552 | arg = NULL; |
| 553 | if (envreal) { |
| 554 | envcopy = nasm_strdup(envreal); |
| 555 | p = envcopy; |
| 556 | if (*p && *p != '-') |
| 557 | separator = *p++; |
| 558 | while (*p) { |
| 559 | q = p; |
| 560 | while (*p && *p != separator) p++; |
| 561 | while (*p == separator) *p++ = '\0'; |
| 562 | prevarg = arg; |
| 563 | arg = q; |
| 564 | if (process_arg (prevarg, arg)) |
| 565 | arg = NULL; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 566 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 567 | if (arg) |
| 568 | process_arg (arg, NULL); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 569 | nasm_free (envcopy); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 570 | } |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 571 | |
| 572 | /* |
| 573 | * Now process the actual command line. |
| 574 | */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 575 | while (--argc) |
| 576 | { |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 577 | int i; |
| 578 | argv++; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 579 | if (!stopoptions && argv[0][0] == '-' && argv[0][1] == '@') { |
| 580 | if ((p = get_param (argv[0], argc > 1 ? argv[1] : NULL, &i))) |
| 581 | if ((rfile = fopen(p, "r"))) { |
| 582 | process_respfile (rfile); |
| 583 | fclose(rfile); |
| 584 | } else |
| 585 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 586 | "unable to open response file `%s'", p); |
| 587 | } else |
| 588 | i = process_arg (argv[0], argc > 1 ? argv[1] : NULL); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 589 | argv += i, argc -= i; |
| 590 | } |
| 591 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 592 | if (!*inname) |
| 593 | report_error (ERR_NONFATAL | ERR_NOFILE | ERR_USAGE, |
| 594 | "no input file specified"); |
| 595 | } |
| 596 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 597 | static void assemble_file (char *fname) |
| 598 | { |
| 599 | char * value, * p, * q, * special, * line, debugid[80]; |
| 600 | insn output_ins; |
| 601 | int i, rn_error, validid; |
| 602 | long seg, offs; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 603 | struct tokenval tokval; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 604 | expr * e; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 605 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 606 | /* |
| 607 | * pass one |
| 608 | */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 609 | pass = 1; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 610 | in_abs_seg = FALSE; |
| 611 | location.segment = ofmt->section(NULL, pass, &sb); |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 612 | preproc->reset(fname, 1, report_error, evaluate, &nasmlist); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 613 | globallineno = 0; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 614 | location.known = TRUE; |
| 615 | location.offset = offs = get_curr_ofs; |
| 616 | |
| 617 | while ( (line = preproc->getline()) ) |
| 618 | { |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 619 | globallineno++; |
| 620 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 621 | /* here we parse our directives; this is not handled by the 'real' |
| 622 | * parser. */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 623 | if ( (i = getkw (line, &value)) ) |
| 624 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 625 | switch (i) { |
| 626 | case 1: /* [SEGMENT n] */ |
| 627 | seg = ofmt->section (value, pass, &sb); |
| 628 | if (seg == NO_SEG) { |
| 629 | report_error (ERR_NONFATAL, |
| 630 | "segment name `%s' not recognised", |
| 631 | value); |
| 632 | } else { |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 633 | in_abs_seg = FALSE; |
| 634 | location.segment = seg; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 635 | } |
| 636 | break; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 637 | case 2: /* [EXTERN label:special] */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 638 | if (*value == '$') |
| 639 | value++; /* skip initial $ if present */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 640 | q = value; |
| 641 | validid = TRUE; |
| 642 | if (!isidstart(*q)) |
| 643 | validid = FALSE; |
| 644 | while (*q && *q != ':') { |
| 645 | if (!isidchar(*q)) |
| 646 | validid = FALSE; |
| 647 | q++; |
| 648 | } |
| 649 | if (!validid) { |
| 650 | report_error (ERR_NONFATAL, |
| 651 | "identifier expected after EXTERN"); |
| 652 | break; |
| 653 | } |
| 654 | if (*q == ':') { |
| 655 | *q++ = '\0'; |
| 656 | special = q; |
| 657 | } else |
| 658 | special = NULL; |
| 659 | if (!is_extern(value)) { /* allow re-EXTERN to be ignored */ |
| 660 | declare_as_global (value, special, report_error); |
| 661 | define_label (value, seg_alloc(), 0L, NULL, FALSE, TRUE, |
| 662 | ofmt, report_error); |
| 663 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 664 | break; |
| 665 | case 3: /* [BITS bits] */ |
| 666 | switch (atoi(value)) { |
| 667 | case 16: |
| 668 | case 32: |
| 669 | sb = atoi(value); |
| 670 | break; |
| 671 | default: |
| 672 | report_error(ERR_NONFATAL, |
| 673 | "`%s' is not a valid argument to [BITS]", |
| 674 | value); |
| 675 | break; |
| 676 | } |
| 677 | break; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 678 | case 4: /* [GLOBAL symbol:special] */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 679 | if (*value == '$') |
| 680 | value++; /* skip initial $ if present */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 681 | q = value; |
| 682 | validid = TRUE; |
| 683 | if (!isidstart(*q)) |
| 684 | validid = FALSE; |
| 685 | while (*q && *q != ':') { |
| 686 | if (!isidchar(*q)) |
| 687 | validid = FALSE; |
| 688 | q++; |
| 689 | } |
| 690 | if (!validid) { |
| 691 | report_error (ERR_NONFATAL, |
| 692 | "identifier expected after GLOBAL"); |
| 693 | break; |
| 694 | } |
| 695 | if (*q == ':') { |
| 696 | *q++ = '\0'; |
| 697 | special = q; |
| 698 | } else |
| 699 | special = NULL; |
| 700 | declare_as_global (value, special, report_error); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 701 | break; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 702 | case 5: /* [COMMON symbol size:special] */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 703 | p = value; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 704 | validid = TRUE; |
| 705 | if (!isidstart(*p)) |
| 706 | validid = FALSE; |
| 707 | while (*p && !isspace(*p)) { |
| 708 | if (!isidchar(*p)) |
| 709 | validid = FALSE; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 710 | p++; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 711 | } |
| 712 | if (!validid) { |
| 713 | report_error (ERR_NONFATAL, |
| 714 | "identifier expected after COMMON"); |
| 715 | break; |
| 716 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 717 | if (*p) { |
| 718 | long size; |
| 719 | |
| 720 | while (*p && isspace(*p)) |
| 721 | *p++ = '\0'; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 722 | q = p; |
| 723 | while (*q && *q != ':') |
| 724 | q++; |
| 725 | if (*q == ':') { |
| 726 | *q++ = '\0'; |
| 727 | special = q; |
| 728 | } else |
| 729 | special = NULL; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 730 | size = readnum (p, &rn_error); |
| 731 | if (rn_error) |
| 732 | report_error (ERR_NONFATAL, "invalid size specified" |
| 733 | " in COMMON declaration"); |
| 734 | else |
| 735 | define_common (value, seg_alloc(), size, |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 736 | special, ofmt, report_error); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 737 | } else |
| 738 | report_error (ERR_NONFATAL, "no size specified in" |
| 739 | " COMMON declaration"); |
| 740 | break; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 741 | case 6: /* [ABSOLUTE address] */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 742 | stdscan_reset(); |
| 743 | stdscan_bufptr = value; |
| 744 | tokval.t_type = TOKEN_INVALID; |
| 745 | e = evaluate(stdscan, NULL, &tokval, NULL, 1, report_error, |
| 746 | NULL); |
| 747 | if (e) { |
| 748 | if (!is_reloc(e)) |
| 749 | report_error (ERR_NONFATAL, "cannot use non-" |
| 750 | "relocatable expression as ABSOLUTE" |
| 751 | " address"); |
| 752 | else { |
| 753 | abs_seg = reloc_seg(e); |
| 754 | abs_offset = reloc_value(e); |
| 755 | } |
| 756 | } else |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 757 | abs_offset = 0x100;/* don't go near zero in case of / */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 758 | in_abs_seg = TRUE; |
| 759 | location.segment = abs_seg; |
| 760 | break; |
| 761 | case 7: |
| 762 | p = value; |
| 763 | validid = TRUE; |
| 764 | if (!isidstart(*p)) |
| 765 | validid = FALSE; |
| 766 | while (*p && !isspace(*p)) { |
| 767 | if (!isidchar(*p)) |
| 768 | validid = FALSE; |
| 769 | p++; |
| 770 | } |
| 771 | if (!validid) { |
| 772 | report_error (ERR_NONFATAL, |
| 773 | "identifier expected after DEBUG"); |
| 774 | break; |
| 775 | } |
| 776 | while (*p && isspace(*p)) p++; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 777 | break; |
| 778 | default: |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 779 | if (!ofmt->directive (line+1, value, 1)) |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 780 | report_error (ERR_NONFATAL, "unrecognised directive [%s]", |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 781 | line+1); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 782 | break; |
| 783 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 784 | } |
| 785 | else /* it isn't a directive */ |
| 786 | { |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 787 | parse_line (1, line, &output_ins, |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 788 | report_error, evaluate, define_label); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 789 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 790 | if (output_ins.forw_ref) |
| 791 | { |
| 792 | for(i = 0; i < output_ins.operands; i++) |
| 793 | { |
| 794 | if (output_ins.oprs[i].opflags & OPFLAG_FORWARD) |
| 795 | { |
| 796 | struct forwrefinfo *fwinf = |
| 797 | (struct forwrefinfo *)saa_wstruct(forwrefs); |
| 798 | fwinf->lineno = globallineno; |
| 799 | fwinf->operand = i; |
| 800 | } |
| 801 | } |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 802 | } |
| 803 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 804 | if (output_ins.opcode == I_EQU) |
| 805 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 806 | /* |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 807 | * Special `..' EQUs get processed in pass two, |
| 808 | * except `..@' macro-processor EQUs which are done |
| 809 | * in the normal place. |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 810 | */ |
| 811 | if (!output_ins.label) |
| 812 | report_error (ERR_NONFATAL, |
| 813 | "EQU not preceded by label"); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 814 | |
| 815 | /* |
| 816 | * EQU cannot be used to declare a label relative to |
| 817 | * an external symbol. |
| 818 | */ |
| 819 | else if ((output_ins.oprs[0].opflags & OPFLAG_EXTERN) |
| 820 | || (output_ins.operands > 1 |
| 821 | && (output_ins.oprs[1].opflags & OPFLAG_EXTERN))) |
| 822 | { |
| 823 | report_error (ERR_NONFATAL, |
| 824 | "EQU used relative to external symbol"); |
| 825 | } |
| 826 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 827 | else if (output_ins.label[0] != '.' || |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 828 | output_ins.label[1] != '.' || |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 829 | output_ins.label[2] == '@') |
| 830 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 831 | if (output_ins.operands == 1 && |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 832 | (output_ins.oprs[0].type & IMMEDIATE) && |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 833 | output_ins.oprs[0].wrt == NO_SEG) |
| 834 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 835 | define_label (output_ins.label, |
| 836 | output_ins.oprs[0].segment, |
| 837 | output_ins.oprs[0].offset, |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 838 | NULL, FALSE, FALSE, ofmt, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 839 | } |
| 840 | else if (output_ins.operands == 2 && |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 841 | (output_ins.oprs[0].type & IMMEDIATE) && |
| 842 | (output_ins.oprs[0].type & COLON) && |
| 843 | output_ins.oprs[0].segment == NO_SEG && |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 844 | output_ins.oprs[0].wrt == NO_SEG && |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 845 | (output_ins.oprs[1].type & IMMEDIATE) && |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 846 | output_ins.oprs[1].segment == NO_SEG && |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 847 | output_ins.oprs[1].wrt == NO_SEG) |
| 848 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 849 | define_label (output_ins.label, |
| 850 | output_ins.oprs[0].offset | SEG_ABS, |
| 851 | output_ins.oprs[1].offset, |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 852 | NULL, FALSE, FALSE, ofmt, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 853 | } |
| 854 | else |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 855 | report_error(ERR_NONFATAL, "bad syntax for EQU"); |
| 856 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 857 | } |
| 858 | else /* instruction isn't an EQU */ |
| 859 | { |
| 860 | long l = insn_size (location.segment, offs, sb, |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 861 | &output_ins, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 862 | if (using_debug_info && output_ins.opcode != -1) { |
| 863 | /* this is done here so we can do debug type info */ |
| 864 | long typeinfo = TYS_ELEMENTS(output_ins.operands); |
| 865 | switch (output_ins.opcode) { |
| 866 | case I_RESB: |
| 867 | typeinfo = TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_BYTE; |
| 868 | break; |
| 869 | case I_RESW: |
| 870 | typeinfo = TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_WORD; |
| 871 | break; |
| 872 | case I_RESD: |
| 873 | typeinfo = TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_DWORD; |
| 874 | break; |
| 875 | case I_RESQ: |
| 876 | typeinfo = TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_QWORD; |
| 877 | break; |
| 878 | case I_REST: |
| 879 | typeinfo = TYS_ELEMENTS(output_ins.oprs[0].offset) | TY_TBYTE; |
| 880 | break; |
| 881 | case I_DB: |
| 882 | typeinfo |= TY_BYTE; |
| 883 | break; |
| 884 | case I_DW: |
| 885 | typeinfo |= TY_WORD; |
| 886 | break; |
| 887 | case I_DD: |
| 888 | if (output_ins.eops_float) |
| 889 | typeinfo |= TY_FLOAT; |
| 890 | else |
| 891 | typeinfo |= TY_DWORD; |
| 892 | break; |
| 893 | case I_DQ: |
| 894 | typeinfo |= TY_QWORD; |
| 895 | break; |
| 896 | case I_DT: |
| 897 | typeinfo |= TY_TBYTE; |
| 898 | break; |
| 899 | default: |
| 900 | typeinfo = TY_LABEL; |
| 901 | } |
| 902 | ofmt->current_dfmt->debug_typevalue(typeinfo); |
| 903 | } |
| 904 | if (l != -1) { |
| 905 | offs += l; |
| 906 | set_curr_ofs (offs); |
| 907 | } |
| 908 | /* |
| 909 | * else l == -1 => invalid instruction, which will be |
| 910 | * flagged as an error on pass 2 |
| 911 | */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 912 | } |
| 913 | cleanup_insn (&output_ins); |
| 914 | } |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 915 | nasm_free (line); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 916 | location.offset = offs = get_curr_ofs; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 917 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 918 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 919 | preproc->cleanup(); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 920 | |
| 921 | if (terminate_after_phase) { |
| 922 | fclose(ofile); |
| 923 | remove(outname); |
| 924 | if (want_usage) |
| 925 | usage(); |
| 926 | exit (1); |
| 927 | } |
| 928 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 929 | /* |
| 930 | * pass two |
| 931 | */ |
| 932 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 933 | pass = 2; |
H. Peter Anvin | ea83827 | 2002-04-30 20:51:53 +0000 | [diff] [blame] | 934 | saa_rewind (forwrefs); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 935 | if (*listname) |
| 936 | nasmlist.init(listname, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 937 | forwref = saa_rstruct (forwrefs); |
| 938 | in_abs_seg = FALSE; |
| 939 | location.segment = ofmt->section(NULL, pass, &sb); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 940 | raa_free (offsets); |
| 941 | offsets = raa_init(); |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 942 | preproc->reset(fname, 2, report_error, evaluate, &nasmlist); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 943 | globallineno = 0; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 944 | location.offset = offs = get_curr_ofs; |
| 945 | |
| 946 | while ( (line = preproc->getline()) ) |
| 947 | { |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 948 | globallineno++; |
| 949 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 950 | /* here we parse our directives; this is not handled by |
| 951 | * the 'real' parser. */ |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 952 | if ( (i = getkw (line, &value)) ) { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 953 | switch (i) { |
| 954 | case 1: /* [SEGMENT n] */ |
| 955 | seg = ofmt->section (value, pass, &sb); |
| 956 | if (seg == NO_SEG) { |
| 957 | report_error (ERR_PANIC, |
| 958 | "invalid segment name on pass two"); |
| 959 | } else |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 960 | in_abs_seg = FALSE; |
| 961 | location.segment = seg; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 962 | break; |
| 963 | case 2: /* [EXTERN label] */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 964 | q = value; |
| 965 | while (*q && *q != ':') |
| 966 | q++; |
| 967 | if (*q == ':') { |
| 968 | *q++ = '\0'; |
| 969 | ofmt->symdef(value, 0L, 0L, 3, q); |
| 970 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 971 | break; |
| 972 | case 3: /* [BITS bits] */ |
| 973 | switch (atoi(value)) { |
| 974 | case 16: |
| 975 | case 32: |
| 976 | sb = atoi(value); |
| 977 | break; |
| 978 | default: |
| 979 | report_error(ERR_PANIC, |
| 980 | "invalid [BITS] value on pass two", |
| 981 | value); |
| 982 | break; |
| 983 | } |
| 984 | break; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 985 | case 4: /* [GLOBAL symbol] */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 986 | q = value; |
| 987 | while (*q && *q != ':') |
| 988 | q++; |
| 989 | if (*q == ':') { |
| 990 | *q++ = '\0'; |
| 991 | ofmt->symdef(value, 0L, 0L, 3, q); |
| 992 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 993 | break; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 994 | case 5: /* [COMMON symbol size] */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 995 | q = value; |
| 996 | while (*q && *q != ':') { |
| 997 | if (isspace(*q)) |
| 998 | *q = '\0'; |
| 999 | q++; |
| 1000 | } |
| 1001 | if (*q == ':') { |
| 1002 | *q++ = '\0'; |
| 1003 | ofmt->symdef(value, 0L, 0L, 3, q); |
| 1004 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1005 | break; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1006 | case 6: /* [ABSOLUTE addr] */ |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1007 | stdscan_reset(); |
| 1008 | stdscan_bufptr = value; |
| 1009 | tokval.t_type = TOKEN_INVALID; |
| 1010 | e = evaluate(stdscan, NULL, &tokval, NULL, 2, report_error, |
| 1011 | NULL); |
| 1012 | if (e) { |
| 1013 | if (!is_reloc(e)) |
| 1014 | report_error (ERR_PANIC, "non-reloc ABSOLUTE address" |
| 1015 | " in pass two"); |
| 1016 | else { |
| 1017 | abs_seg = reloc_seg(e); |
| 1018 | abs_offset = reloc_value(e); |
| 1019 | } |
| 1020 | } else |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1021 | report_error (ERR_PANIC, "invalid ABSOLUTE address " |
| 1022 | "in pass two"); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1023 | in_abs_seg = TRUE; |
| 1024 | location.segment = abs_seg; |
| 1025 | break; |
| 1026 | case 7: |
| 1027 | p = value; |
| 1028 | q = debugid; |
| 1029 | validid = TRUE; |
| 1030 | if (!isidstart(*p)) |
| 1031 | validid = FALSE; |
| 1032 | while (*p && !isspace(*p)) { |
| 1033 | if (!isidchar(*p)) |
| 1034 | validid = FALSE; |
| 1035 | *q++ = *p++; |
| 1036 | } |
| 1037 | *q++ = 0; |
| 1038 | if (!validid) { |
| 1039 | report_error (ERR_PANIC, |
| 1040 | "identifier expected after DEBUG in pass 2"); |
| 1041 | break; |
| 1042 | } |
| 1043 | while (*p && isspace(*p)) |
| 1044 | p++; |
| 1045 | ofmt->current_dfmt->debug_directive (debugid, p); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1046 | break; |
| 1047 | default: |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1048 | if (!ofmt->directive (line+1, value, 2)) |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1049 | report_error (ERR_PANIC, "invalid directive on pass two"); |
| 1050 | break; |
| 1051 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1052 | } |
| 1053 | else /* not a directive */ |
| 1054 | { |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1055 | parse_line (2, line, &output_ins, |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1056 | report_error, evaluate, redefine_label); |
| 1057 | if (forwref != NULL && globallineno == forwref->lineno) { |
H. Peter Anvin | ea83827 | 2002-04-30 20:51:53 +0000 | [diff] [blame] | 1058 | output_ins.forw_ref = TRUE; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1059 | do { |
| 1060 | output_ins.oprs[forwref->operand].opflags|= OPFLAG_FORWARD; |
| 1061 | forwref = saa_rstruct (forwrefs); |
| 1062 | } while (forwref != NULL && forwref->lineno == globallineno); |
H. Peter Anvin | ea83827 | 2002-04-30 20:51:53 +0000 | [diff] [blame] | 1063 | } else |
| 1064 | output_ins.forw_ref = FALSE; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1065 | |
| 1066 | /* |
| 1067 | * Hack to prevent phase error in the code |
| 1068 | * rol ax,x |
| 1069 | * x equ 1 |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1070 | * |
| 1071 | * If the second operand is a forward reference, |
| 1072 | * the UNITY property of the number 1 in that |
| 1073 | * operand is cancelled. Otherwise the above |
| 1074 | * sequence will cause a phase error. |
| 1075 | * |
| 1076 | * This hack means that the above code will |
| 1077 | * generate 286+ code. |
| 1078 | * |
| 1079 | * The forward reference will mean that the |
| 1080 | * operand will not have the UNITY property on |
| 1081 | * the first pass, so the pass behaviours will |
| 1082 | * be consistent. |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1083 | */ |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1084 | |
| 1085 | if (output_ins.forw_ref && |
| 1086 | output_ins.operands >= 2 && |
| 1087 | (output_ins.oprs[1].opflags & OPFLAG_FORWARD)) |
| 1088 | { |
| 1089 | output_ins.oprs[1].type &= ~ONENESS; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1090 | } |
| 1091 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1092 | if (output_ins.opcode == I_EQU) |
| 1093 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1094 | /* |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1095 | * Special `..' EQUs get processed here, except |
| 1096 | * `..@' macro processor EQUs which are done above. |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1097 | */ |
| 1098 | if (output_ins.label[0] == '.' && |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1099 | output_ins.label[1] == '.' && |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1100 | output_ins.label[2] != '@') |
| 1101 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1102 | if (output_ins.operands == 1 && |
| 1103 | (output_ins.oprs[0].type & IMMEDIATE)) { |
| 1104 | define_label (output_ins.label, |
| 1105 | output_ins.oprs[0].segment, |
| 1106 | output_ins.oprs[0].offset, |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1107 | NULL, FALSE, FALSE, ofmt, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1108 | } |
| 1109 | else if (output_ins.operands == 2 && |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1110 | (output_ins.oprs[0].type & IMMEDIATE) && |
| 1111 | (output_ins.oprs[0].type & COLON) && |
| 1112 | output_ins.oprs[0].segment == NO_SEG && |
| 1113 | (output_ins.oprs[1].type & IMMEDIATE) && |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1114 | output_ins.oprs[1].segment == NO_SEG) |
| 1115 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1116 | define_label (output_ins.label, |
| 1117 | output_ins.oprs[0].offset | SEG_ABS, |
| 1118 | output_ins.oprs[1].offset, |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1119 | NULL, FALSE, FALSE, ofmt, report_error); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1120 | } |
| 1121 | else |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1122 | report_error(ERR_NONFATAL, "bad syntax for EQU"); |
| 1123 | } |
| 1124 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1125 | offs += assemble (location.segment, offs, sb, |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1126 | &output_ins, ofmt, report_error, &nasmlist); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1127 | cleanup_insn (&output_ins); |
| 1128 | set_curr_ofs (offs); |
| 1129 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1130 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1131 | nasm_free (line); |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1132 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1133 | location.offset = offs = get_curr_ofs; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1134 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1135 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1136 | preproc->cleanup(); |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1137 | nasmlist.cleanup(); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1138 | } |
| 1139 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1140 | static int getkw (char *buf, char **value) |
| 1141 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1142 | char *p, *q; |
| 1143 | |
| 1144 | if (*buf!='[') |
| 1145 | return 0; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1146 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1147 | p = buf; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1148 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1149 | while (*p && *p != ']') p++; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1150 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1151 | if (!*p) |
| 1152 | return 0; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1153 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1154 | q = p++; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1155 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1156 | while (*p && *p != ';') { |
| 1157 | if (!isspace(*p)) |
| 1158 | return 0; |
| 1159 | p++; |
| 1160 | } |
| 1161 | q[1] = '\0'; |
| 1162 | |
| 1163 | p = buf+1; |
| 1164 | while (*buf && *buf!=' ' && *buf!=']' && *buf!='\t') |
| 1165 | buf++; |
| 1166 | if (*buf==']') { |
| 1167 | *buf = '\0'; |
| 1168 | *value = buf; |
| 1169 | } else { |
| 1170 | *buf++ = '\0'; |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1171 | while (isspace(*buf)) buf++; /* beppu - skip leading whitespace */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1172 | *value = buf; |
| 1173 | while (*buf!=']') buf++; |
| 1174 | *buf++ = '\0'; |
| 1175 | } |
| 1176 | for (q=p; *q; q++) |
| 1177 | *q = tolower(*q); |
| 1178 | if (!strcmp(p, "segment") || !strcmp(p, "section")) |
| 1179 | return 1; |
| 1180 | if (!strcmp(p, "extern")) |
| 1181 | return 2; |
| 1182 | if (!strcmp(p, "bits")) |
| 1183 | return 3; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1184 | if (!strcmp(p, "global")) |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1185 | return 4; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1186 | if (!strcmp(p, "common")) |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1187 | return 5; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1188 | if (!strcmp(p, "absolute")) |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1189 | return 6; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1190 | if (!strcmp(p, "debug")) |
| 1191 | return 7; |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1192 | return -1; |
| 1193 | } |
| 1194 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1195 | static void report_error (int severity, char *fmt, ...) |
| 1196 | { |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1197 | va_list ap; |
| 1198 | |
H. Peter Anvin | 6768eb7 | 2002-04-30 20:52:26 +0000 | [diff] [blame] | 1199 | /* |
| 1200 | * See if it's a suppressed warning. |
| 1201 | */ |
| 1202 | if ((severity & ERR_MASK) == ERR_WARNING && |
| 1203 | (severity & ERR_WARN_MASK) != 0 && |
| 1204 | suppressed[ (severity & ERR_WARN_MASK) >> ERR_WARN_SHR ]) |
| 1205 | return; /* and bail out if so */ |
| 1206 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1207 | /* |
| 1208 | * See if it's a pass-one only warning and we're not in pass one. |
| 1209 | */ |
| 1210 | if ((severity & ERR_PASS1) && pass != 1) |
| 1211 | return; |
| 1212 | |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1213 | if (severity & ERR_NOFILE) |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1214 | fputs ("nasm: ", error_file); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1215 | else { |
| 1216 | char * currentfile = NULL; |
| 1217 | long lineno = 0; |
| 1218 | src_get (&lineno, ¤tfile); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1219 | fprintf (error_file, "%s:%ld: ", currentfile, lineno); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1220 | nasm_free (currentfile); |
| 1221 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1222 | |
| 1223 | if ( (severity & ERR_MASK) == ERR_WARNING) |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1224 | fputs ("warning: ", error_file); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1225 | else if ( (severity & ERR_MASK) == ERR_PANIC) |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1226 | fputs ("panic: ", error_file); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1227 | |
| 1228 | va_start (ap, fmt); |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1229 | vfprintf (error_file, fmt, ap); |
| 1230 | fputc ('\n', error_file); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1231 | |
| 1232 | if (severity & ERR_USAGE) |
| 1233 | want_usage = TRUE; |
| 1234 | |
| 1235 | switch (severity & ERR_MASK) { |
| 1236 | case ERR_WARNING: |
| 1237 | /* no further action, by definition */ |
| 1238 | break; |
| 1239 | case ERR_NONFATAL: |
| 1240 | terminate_after_phase = TRUE; |
| 1241 | break; |
| 1242 | case ERR_FATAL: |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1243 | if (ofile) { |
| 1244 | fclose(ofile); |
| 1245 | remove(outname); |
| 1246 | } |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1247 | if (want_usage) |
| 1248 | usage(); |
| 1249 | exit(1); /* instantly die */ |
| 1250 | break; /* placate silly compilers */ |
| 1251 | case ERR_PANIC: |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1252 | fflush(NULL); |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1253 | abort(); /* halt, catch fire, and dump core */ |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1254 | break; |
| 1255 | } |
| 1256 | } |
| 1257 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1258 | static void usage(void) |
| 1259 | { |
H. Peter Anvin | 620515a | 2002-04-30 20:57:38 +0000 | [diff] [blame] | 1260 | fputs("type `nasm -h' for help\n", error_file); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1261 | } |
| 1262 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1263 | static void register_output_formats(void) |
| 1264 | { |
| 1265 | ofmt = ofmt_register (report_error); |
H. Peter Anvin | ea6e34d | 2002-04-30 20:51:32 +0000 | [diff] [blame] | 1266 | } |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1267 | |
| 1268 | #define BUF_DELTA 512 |
| 1269 | |
| 1270 | static FILE *no_pp_fp; |
| 1271 | static efunc no_pp_err; |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1272 | static ListGen *no_pp_list; |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1273 | static long no_pp_lineinc; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1274 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1275 | static void no_pp_reset (char *file, int pass, efunc error, evalfunc eval, |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1276 | ListGen *listgen) |
| 1277 | { |
| 1278 | src_set_fname(nasm_strdup(file)); |
| 1279 | src_set_linnum(0); |
| 1280 | no_pp_lineinc = 1; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1281 | no_pp_err = error; |
| 1282 | no_pp_fp = fopen(file, "r"); |
| 1283 | if (!no_pp_fp) |
| 1284 | no_pp_err (ERR_FATAL | ERR_NOFILE, |
| 1285 | "unable to open input file `%s'", file); |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1286 | no_pp_list = listgen; |
| 1287 | (void) pass; /* placate compilers */ |
| 1288 | (void) eval; /* placate compilers */ |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1289 | } |
| 1290 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1291 | static char *no_pp_getline (void) |
| 1292 | { |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1293 | char *buffer, *p, *q; |
| 1294 | int bufsize; |
| 1295 | |
| 1296 | bufsize = BUF_DELTA; |
| 1297 | buffer = nasm_malloc(BUF_DELTA); |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1298 | src_set_linnum(src_get_linnum() + no_pp_lineinc); |
| 1299 | |
| 1300 | while (1) { /* Loop to handle %line */ |
| 1301 | |
| 1302 | p = buffer; |
| 1303 | while (1) { /* Loop to handle long lines */ |
| 1304 | q = fgets(p, bufsize-(p-buffer), no_pp_fp); |
| 1305 | if (!q) |
| 1306 | break; |
| 1307 | p += strlen(p); |
| 1308 | if (p > buffer && p[-1] == '\n') |
| 1309 | break; |
| 1310 | if (p-buffer > bufsize-10) { |
| 1311 | int offset; |
| 1312 | offset = p - buffer; |
| 1313 | bufsize += BUF_DELTA; |
| 1314 | buffer = nasm_realloc(buffer, bufsize); |
| 1315 | p = buffer + offset; |
| 1316 | } |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1317 | } |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1318 | |
| 1319 | if (!q && p == buffer) { |
| 1320 | nasm_free (buffer); |
| 1321 | return NULL; |
| 1322 | } |
| 1323 | |
| 1324 | /* |
| 1325 | * Play safe: remove CRs, LFs and any spurious ^Zs, if any of |
| 1326 | * them are present at the end of the line. |
| 1327 | */ |
| 1328 | buffer[strcspn(buffer, "\r\n\032")] = '\0'; |
| 1329 | |
| 1330 | if (!strncmp(buffer, "%line", 5)) { |
| 1331 | long ln; |
| 1332 | int li; |
| 1333 | char *nm = nasm_malloc(strlen(buffer)); |
| 1334 | if (sscanf(buffer+5, "%ld+%d %s", &ln, &li, nm) == 3) { |
| 1335 | nasm_free( src_set_fname(nm) ); |
| 1336 | src_set_linnum(ln); |
| 1337 | no_pp_lineinc = li; |
| 1338 | continue; |
| 1339 | } |
| 1340 | nasm_free(nm); |
| 1341 | } |
| 1342 | break; |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1343 | } |
| 1344 | |
H. Peter Anvin | 76690a1 | 2002-04-30 20:52:49 +0000 | [diff] [blame] | 1345 | no_pp_list->line (LIST_READ, buffer); |
| 1346 | |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1347 | return buffer; |
| 1348 | } |
| 1349 | |
H. Peter Anvin | eba20a7 | 2002-04-30 20:53:55 +0000 | [diff] [blame] | 1350 | static void no_pp_cleanup (void) |
| 1351 | { |
H. Peter Anvin | d7ed89e | 2002-04-30 20:52:08 +0000 | [diff] [blame] | 1352 | fclose(no_pp_fp); |
| 1353 | } |