| 1 | /* Support for printing Modula 2 values for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 1986, 1988, 1989, 1991, 1992, 1996, 1998, 2000, 2005, 2006, |
| 4 | 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of GDB. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 3 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "symtab.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "expression.h" |
| 25 | #include "value.h" |
| 26 | #include "valprint.h" |
| 27 | #include "language.h" |
| 28 | #include "typeprint.h" |
| 29 | #include "c-lang.h" |
| 30 | #include "m2-lang.h" |
| 31 | #include "target.h" |
| 32 | |
| 33 | static int print_unpacked_pointer (struct type *type, |
| 34 | CORE_ADDR address, CORE_ADDR addr, |
| 35 | const struct value_print_options *options, |
| 36 | struct ui_file *stream); |
| 37 | static void |
| 38 | m2_print_array_contents (struct type *type, const gdb_byte *valaddr, |
| 39 | int embedded_offset, CORE_ADDR address, |
| 40 | struct ui_file *stream, int recurse, |
| 41 | const struct value *val, |
| 42 | const struct value_print_options *options, |
| 43 | int len); |
| 44 | |
| 45 | |
| 46 | /* Print function pointer with inferior address ADDRESS onto stdio |
| 47 | stream STREAM. */ |
| 48 | |
| 49 | static void |
| 50 | print_function_pointer_address (struct gdbarch *gdbarch, CORE_ADDR address, |
| 51 | struct ui_file *stream, int addressprint) |
| 52 | { |
| 53 | CORE_ADDR func_addr = gdbarch_convert_from_func_ptr_addr (gdbarch, address, |
| 54 | ¤t_target); |
| 55 | |
| 56 | /* If the function pointer is represented by a description, print the |
| 57 | address of the description. */ |
| 58 | if (addressprint && func_addr != address) |
| 59 | { |
| 60 | fputs_filtered ("@", stream); |
| 61 | fputs_filtered (paddress (gdbarch, address), stream); |
| 62 | fputs_filtered (": ", stream); |
| 63 | } |
| 64 | print_address_demangle (gdbarch, func_addr, stream, demangle); |
| 65 | } |
| 66 | |
| 67 | /* get_long_set_bounds - assigns the bounds of the long set to low and |
| 68 | high. */ |
| 69 | |
| 70 | int |
| 71 | get_long_set_bounds (struct type *type, LONGEST *low, LONGEST *high) |
| 72 | { |
| 73 | int len, i; |
| 74 | |
| 75 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT) |
| 76 | { |
| 77 | len = TYPE_NFIELDS (type); |
| 78 | i = TYPE_N_BASECLASSES (type); |
| 79 | if (len == 0) |
| 80 | return 0; |
| 81 | *low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i))); |
| 82 | *high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, |
| 83 | len-1))); |
| 84 | return 1; |
| 85 | } |
| 86 | error (_("expecting long_set")); |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | static void |
| 91 | m2_print_long_set (struct type *type, const gdb_byte *valaddr, |
| 92 | int embedded_offset, CORE_ADDR address, |
| 93 | struct ui_file *stream) |
| 94 | { |
| 95 | int empty_set = 1; |
| 96 | int element_seen = 0; |
| 97 | LONGEST previous_low = 0; |
| 98 | LONGEST previous_high= 0; |
| 99 | LONGEST i, low_bound, high_bound; |
| 100 | LONGEST field_low, field_high; |
| 101 | struct type *range; |
| 102 | int len, field; |
| 103 | struct type *target; |
| 104 | int bitval; |
| 105 | |
| 106 | CHECK_TYPEDEF (type); |
| 107 | |
| 108 | fprintf_filtered (stream, "{"); |
| 109 | len = TYPE_NFIELDS (type); |
| 110 | if (get_long_set_bounds (type, &low_bound, &high_bound)) |
| 111 | { |
| 112 | field = TYPE_N_BASECLASSES (type); |
| 113 | range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, field)); |
| 114 | } |
| 115 | else |
| 116 | { |
| 117 | fprintf_filtered (stream, " %s }", _("<unknown bounds of set>")); |
| 118 | return; |
| 119 | } |
| 120 | |
| 121 | target = TYPE_TARGET_TYPE (range); |
| 122 | |
| 123 | if (get_discrete_bounds (range, &field_low, &field_high) >= 0) |
| 124 | { |
| 125 | for (i = low_bound; i <= high_bound; i++) |
| 126 | { |
| 127 | bitval = value_bit_index (TYPE_FIELD_TYPE (type, field), |
| 128 | (TYPE_FIELD_BITPOS (type, field) / 8) + |
| 129 | valaddr + embedded_offset, i); |
| 130 | if (bitval < 0) |
| 131 | error (_("bit test is out of range")); |
| 132 | else if (bitval > 0) |
| 133 | { |
| 134 | previous_high = i; |
| 135 | if (! element_seen) |
| 136 | { |
| 137 | if (! empty_set) |
| 138 | fprintf_filtered (stream, ", "); |
| 139 | print_type_scalar (target, i, stream); |
| 140 | empty_set = 0; |
| 141 | element_seen = 1; |
| 142 | previous_low = i; |
| 143 | } |
| 144 | } |
| 145 | else |
| 146 | { |
| 147 | /* bit is not set */ |
| 148 | if (element_seen) |
| 149 | { |
| 150 | if (previous_low+1 < previous_high) |
| 151 | fprintf_filtered (stream, ".."); |
| 152 | if (previous_low+1 < previous_high) |
| 153 | print_type_scalar (target, previous_high, stream); |
| 154 | element_seen = 0; |
| 155 | } |
| 156 | } |
| 157 | if (i == field_high) |
| 158 | { |
| 159 | field++; |
| 160 | if (field == len) |
| 161 | break; |
| 162 | range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, field)); |
| 163 | if (get_discrete_bounds (range, &field_low, &field_high) < 0) |
| 164 | break; |
| 165 | target = TYPE_TARGET_TYPE (range); |
| 166 | } |
| 167 | } |
| 168 | if (element_seen) |
| 169 | { |
| 170 | if (previous_low+1 < previous_high) |
| 171 | { |
| 172 | fprintf_filtered (stream, ".."); |
| 173 | print_type_scalar (target, previous_high, stream); |
| 174 | } |
| 175 | element_seen = 0; |
| 176 | } |
| 177 | fprintf_filtered (stream, "}"); |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | static void |
| 182 | m2_print_unbounded_array (struct type *type, const gdb_byte *valaddr, |
| 183 | int embedded_offset, CORE_ADDR address, |
| 184 | struct ui_file *stream, int recurse, |
| 185 | const struct value_print_options *options) |
| 186 | { |
| 187 | struct type *content_type; |
| 188 | CORE_ADDR addr; |
| 189 | LONGEST len; |
| 190 | struct value *val; |
| 191 | |
| 192 | CHECK_TYPEDEF (type); |
| 193 | content_type = TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)); |
| 194 | |
| 195 | addr = unpack_pointer (TYPE_FIELD_TYPE (type, 0), |
| 196 | (TYPE_FIELD_BITPOS (type, 0) / 8) + |
| 197 | valaddr + embedded_offset); |
| 198 | |
| 199 | val = value_at_lazy (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)), |
| 200 | addr); |
| 201 | len = unpack_field_as_long (type, valaddr + embedded_offset, 1); |
| 202 | |
| 203 | fprintf_filtered (stream, "{"); |
| 204 | m2_print_array_contents (value_type (val), |
| 205 | value_contents_for_printing (val), |
| 206 | value_embedded_offset (val), addr, stream, |
| 207 | recurse, val, options, len); |
| 208 | fprintf_filtered (stream, ", HIGH = %d}", (int) len); |
| 209 | } |
| 210 | |
| 211 | static int |
| 212 | print_unpacked_pointer (struct type *type, |
| 213 | CORE_ADDR address, CORE_ADDR addr, |
| 214 | const struct value_print_options *options, |
| 215 | struct ui_file *stream) |
| 216 | { |
| 217 | struct gdbarch *gdbarch = get_type_arch (type); |
| 218 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 219 | |
| 220 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) |
| 221 | { |
| 222 | /* Try to print what function it points to. */ |
| 223 | print_function_pointer_address (gdbarch, addr, stream, |
| 224 | options->addressprint); |
| 225 | /* Return value is irrelevant except for string pointers. */ |
| 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | if (options->addressprint && options->format != 's') |
| 230 | fputs_filtered (paddress (gdbarch, address), stream); |
| 231 | |
| 232 | /* For a pointer to char or unsigned char, also print the string |
| 233 | pointed to, unless pointer is null. */ |
| 234 | |
| 235 | if (TYPE_LENGTH (elttype) == 1 |
| 236 | && TYPE_CODE (elttype) == TYPE_CODE_INT |
| 237 | && (options->format == 0 || options->format == 's') |
| 238 | && addr != 0) |
| 239 | return val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1, |
| 240 | stream, options); |
| 241 | |
| 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | static void |
| 246 | print_variable_at_address (struct type *type, |
| 247 | const gdb_byte *valaddr, |
| 248 | struct ui_file *stream, |
| 249 | int recurse, |
| 250 | const struct value_print_options *options) |
| 251 | { |
| 252 | struct gdbarch *gdbarch = get_type_arch (type); |
| 253 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
| 254 | struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 255 | |
| 256 | fprintf_filtered (stream, "["); |
| 257 | fputs_filtered (paddress (gdbarch, addr), stream); |
| 258 | fprintf_filtered (stream, "] : "); |
| 259 | |
| 260 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) |
| 261 | { |
| 262 | struct value *deref_val = |
| 263 | value_at (TYPE_TARGET_TYPE (type), unpack_pointer (type, valaddr)); |
| 264 | |
| 265 | common_val_print (deref_val, stream, recurse, options, current_language); |
| 266 | } |
| 267 | else |
| 268 | fputs_filtered ("???", stream); |
| 269 | } |
| 270 | |
| 271 | |
| 272 | /* m2_print_array_contents - prints out the contents of an |
| 273 | array up to a max_print values. |
| 274 | It prints arrays of char as a string |
| 275 | and all other data types as comma |
| 276 | separated values. */ |
| 277 | |
| 278 | static void |
| 279 | m2_print_array_contents (struct type *type, const gdb_byte *valaddr, |
| 280 | int embedded_offset, CORE_ADDR address, |
| 281 | struct ui_file *stream, int recurse, |
| 282 | const struct value *val, |
| 283 | const struct value_print_options *options, |
| 284 | int len) |
| 285 | { |
| 286 | int eltlen; |
| 287 | CHECK_TYPEDEF (type); |
| 288 | |
| 289 | if (TYPE_LENGTH (type) > 0) |
| 290 | { |
| 291 | eltlen = TYPE_LENGTH (type); |
| 292 | if (options->prettyprint_arrays) |
| 293 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 294 | /* For an array of chars, print with string syntax. */ |
| 295 | if (eltlen == 1 && |
| 296 | ((TYPE_CODE (type) == TYPE_CODE_INT) |
| 297 | || ((current_language->la_language == language_m2) |
| 298 | && (TYPE_CODE (type) == TYPE_CODE_CHAR))) |
| 299 | && (options->format == 0 || options->format == 's')) |
| 300 | val_print_string (type, NULL, address, len+1, stream, options); |
| 301 | else |
| 302 | { |
| 303 | fprintf_filtered (stream, "{"); |
| 304 | val_print_array_elements (type, valaddr, embedded_offset, |
| 305 | address, stream, recurse, val, |
| 306 | options, 0); |
| 307 | fprintf_filtered (stream, "}"); |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | |
| 313 | /* See val_print for a description of the various parameters of this |
| 314 | function; they are identical. The semantics of the return value is |
| 315 | also identical to val_print. */ |
| 316 | |
| 317 | int |
| 318 | m2_val_print (struct type *type, const gdb_byte *valaddr, int embedded_offset, |
| 319 | CORE_ADDR address, struct ui_file *stream, int recurse, |
| 320 | const struct value *original_value, |
| 321 | const struct value_print_options *options) |
| 322 | { |
| 323 | struct gdbarch *gdbarch = get_type_arch (type); |
| 324 | unsigned int i = 0; /* Number of characters printed. */ |
| 325 | unsigned len; |
| 326 | struct type *elttype; |
| 327 | unsigned eltlen; |
| 328 | LONGEST val; |
| 329 | CORE_ADDR addr; |
| 330 | |
| 331 | CHECK_TYPEDEF (type); |
| 332 | switch (TYPE_CODE (type)) |
| 333 | { |
| 334 | case TYPE_CODE_ARRAY: |
| 335 | if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) |
| 336 | { |
| 337 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 338 | eltlen = TYPE_LENGTH (elttype); |
| 339 | len = TYPE_LENGTH (type) / eltlen; |
| 340 | if (options->prettyprint_arrays) |
| 341 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 342 | /* For an array of chars, print with string syntax. */ |
| 343 | if (eltlen == 1 && |
| 344 | ((TYPE_CODE (elttype) == TYPE_CODE_INT) |
| 345 | || ((current_language->la_language == language_m2) |
| 346 | && (TYPE_CODE (elttype) == TYPE_CODE_CHAR))) |
| 347 | && (options->format == 0 || options->format == 's')) |
| 348 | { |
| 349 | /* If requested, look for the first null char and only print |
| 350 | elements up to it. */ |
| 351 | if (options->stop_print_at_null) |
| 352 | { |
| 353 | unsigned int temp_len; |
| 354 | |
| 355 | /* Look for a NULL char. */ |
| 356 | for (temp_len = 0; |
| 357 | (valaddr + embedded_offset)[temp_len] |
| 358 | && temp_len < len && temp_len < options->print_max; |
| 359 | temp_len++); |
| 360 | len = temp_len; |
| 361 | } |
| 362 | |
| 363 | LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type), |
| 364 | valaddr + embedded_offset, len, NULL, |
| 365 | 0, options); |
| 366 | i = len; |
| 367 | } |
| 368 | else |
| 369 | { |
| 370 | fprintf_filtered (stream, "{"); |
| 371 | val_print_array_elements (type, valaddr, embedded_offset, |
| 372 | address, stream, |
| 373 | recurse, original_value, |
| 374 | options, 0); |
| 375 | fprintf_filtered (stream, "}"); |
| 376 | } |
| 377 | break; |
| 378 | } |
| 379 | /* Array of unspecified length: treat like pointer to first elt. */ |
| 380 | print_unpacked_pointer (type, address, address, options, stream); |
| 381 | break; |
| 382 | |
| 383 | case TYPE_CODE_PTR: |
| 384 | if (TYPE_CONST (type)) |
| 385 | print_variable_at_address (type, valaddr + embedded_offset, |
| 386 | stream, recurse, options); |
| 387 | else if (options->format && options->format != 's') |
| 388 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 389 | original_value, options, 0, stream); |
| 390 | else |
| 391 | { |
| 392 | addr = unpack_pointer (type, valaddr + embedded_offset); |
| 393 | print_unpacked_pointer (type, addr, address, options, stream); |
| 394 | } |
| 395 | break; |
| 396 | |
| 397 | case TYPE_CODE_REF: |
| 398 | elttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 399 | if (options->addressprint) |
| 400 | { |
| 401 | CORE_ADDR addr |
| 402 | = extract_typed_address (valaddr + embedded_offset, type); |
| 403 | |
| 404 | fprintf_filtered (stream, "@"); |
| 405 | fputs_filtered (paddress (gdbarch, addr), stream); |
| 406 | if (options->deref_ref) |
| 407 | fputs_filtered (": ", stream); |
| 408 | } |
| 409 | /* De-reference the reference. */ |
| 410 | if (options->deref_ref) |
| 411 | { |
| 412 | if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF) |
| 413 | { |
| 414 | struct value *deref_val = |
| 415 | value_at |
| 416 | (TYPE_TARGET_TYPE (type), |
| 417 | unpack_pointer (type, valaddr + embedded_offset)); |
| 418 | |
| 419 | common_val_print (deref_val, stream, recurse, options, |
| 420 | current_language); |
| 421 | } |
| 422 | else |
| 423 | fputs_filtered ("???", stream); |
| 424 | } |
| 425 | break; |
| 426 | |
| 427 | case TYPE_CODE_UNION: |
| 428 | if (recurse && !options->unionprint) |
| 429 | { |
| 430 | fprintf_filtered (stream, "{...}"); |
| 431 | break; |
| 432 | } |
| 433 | /* Fall through. */ |
| 434 | case TYPE_CODE_STRUCT: |
| 435 | if (m2_is_long_set (type)) |
| 436 | m2_print_long_set (type, valaddr, embedded_offset, address, |
| 437 | stream); |
| 438 | else if (m2_is_unbounded_array (type)) |
| 439 | m2_print_unbounded_array (type, valaddr, embedded_offset, |
| 440 | address, stream, recurse, options); |
| 441 | else |
| 442 | cp_print_value_fields (type, type, valaddr, embedded_offset, |
| 443 | address, stream, recurse, original_value, |
| 444 | options, NULL, 0); |
| 445 | break; |
| 446 | |
| 447 | case TYPE_CODE_ENUM: |
| 448 | if (options->format) |
| 449 | { |
| 450 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 451 | original_value, options, 0, stream); |
| 452 | break; |
| 453 | } |
| 454 | len = TYPE_NFIELDS (type); |
| 455 | val = unpack_long (type, valaddr + embedded_offset); |
| 456 | for (i = 0; i < len; i++) |
| 457 | { |
| 458 | QUIT; |
| 459 | if (val == TYPE_FIELD_BITPOS (type, i)) |
| 460 | { |
| 461 | break; |
| 462 | } |
| 463 | } |
| 464 | if (i < len) |
| 465 | { |
| 466 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 467 | } |
| 468 | else |
| 469 | { |
| 470 | print_longest (stream, 'd', 0, val); |
| 471 | } |
| 472 | break; |
| 473 | |
| 474 | case TYPE_CODE_FUNC: |
| 475 | if (options->format) |
| 476 | { |
| 477 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 478 | original_value, options, 0, stream); |
| 479 | break; |
| 480 | } |
| 481 | /* FIXME, we should consider, at least for ANSI C language, eliminating |
| 482 | the distinction made between FUNCs and POINTERs to FUNCs. */ |
| 483 | fprintf_filtered (stream, "{"); |
| 484 | type_print (type, "", stream, -1); |
| 485 | fprintf_filtered (stream, "} "); |
| 486 | /* Try to print what function it points to, and its address. */ |
| 487 | print_address_demangle (gdbarch, address, stream, demangle); |
| 488 | break; |
| 489 | |
| 490 | case TYPE_CODE_BOOL: |
| 491 | if (options->format || options->output_format) |
| 492 | { |
| 493 | struct value_print_options opts = *options; |
| 494 | |
| 495 | opts.format = (options->format ? options->format |
| 496 | : options->output_format); |
| 497 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 498 | original_value, &opts, 0, stream); |
| 499 | } |
| 500 | else |
| 501 | { |
| 502 | val = unpack_long (type, valaddr + embedded_offset); |
| 503 | if (val == 0) |
| 504 | fputs_filtered ("FALSE", stream); |
| 505 | else if (val == 1) |
| 506 | fputs_filtered ("TRUE", stream); |
| 507 | else |
| 508 | fprintf_filtered (stream, "%ld)", (long int) val); |
| 509 | } |
| 510 | break; |
| 511 | |
| 512 | case TYPE_CODE_RANGE: |
| 513 | if (TYPE_LENGTH (type) == TYPE_LENGTH (TYPE_TARGET_TYPE (type))) |
| 514 | { |
| 515 | m2_val_print (TYPE_TARGET_TYPE (type), valaddr, embedded_offset, |
| 516 | address, stream, recurse, original_value, options); |
| 517 | break; |
| 518 | } |
| 519 | /* FIXME: create_range_type does not set the unsigned bit in a |
| 520 | range type (I think it probably should copy it from the target |
| 521 | type), so we won't print values which are too large to |
| 522 | fit in a signed integer correctly. */ |
| 523 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just |
| 524 | print with the target type, though, because the size of our type |
| 525 | and the target type might differ). */ |
| 526 | /* FALLTHROUGH */ |
| 527 | |
| 528 | case TYPE_CODE_INT: |
| 529 | if (options->format || options->output_format) |
| 530 | { |
| 531 | struct value_print_options opts = *options; |
| 532 | |
| 533 | opts.format = (options->format ? options->format |
| 534 | : options->output_format); |
| 535 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 536 | original_value, &opts, 0, stream); |
| 537 | } |
| 538 | else |
| 539 | val_print_type_code_int (type, valaddr + embedded_offset, stream); |
| 540 | break; |
| 541 | |
| 542 | case TYPE_CODE_CHAR: |
| 543 | if (options->format || options->output_format) |
| 544 | { |
| 545 | struct value_print_options opts = *options; |
| 546 | |
| 547 | opts.format = (options->format ? options->format |
| 548 | : options->output_format); |
| 549 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 550 | original_value, &opts, 0, stream); |
| 551 | } |
| 552 | else |
| 553 | { |
| 554 | val = unpack_long (type, valaddr + embedded_offset); |
| 555 | if (TYPE_UNSIGNED (type)) |
| 556 | fprintf_filtered (stream, "%u", (unsigned int) val); |
| 557 | else |
| 558 | fprintf_filtered (stream, "%d", (int) val); |
| 559 | fputs_filtered (" ", stream); |
| 560 | LA_PRINT_CHAR ((unsigned char) val, type, stream); |
| 561 | } |
| 562 | break; |
| 563 | |
| 564 | case TYPE_CODE_FLT: |
| 565 | if (options->format) |
| 566 | val_print_scalar_formatted (type, valaddr, embedded_offset, |
| 567 | original_value, options, 0, stream); |
| 568 | else |
| 569 | print_floating (valaddr + embedded_offset, type, stream); |
| 570 | break; |
| 571 | |
| 572 | case TYPE_CODE_METHOD: |
| 573 | break; |
| 574 | |
| 575 | case TYPE_CODE_BITSTRING: |
| 576 | case TYPE_CODE_SET: |
| 577 | elttype = TYPE_INDEX_TYPE (type); |
| 578 | CHECK_TYPEDEF (elttype); |
| 579 | if (TYPE_STUB (elttype)) |
| 580 | { |
| 581 | fprintf_filtered (stream, _("<incomplete type>")); |
| 582 | gdb_flush (stream); |
| 583 | break; |
| 584 | } |
| 585 | else |
| 586 | { |
| 587 | struct type *range = elttype; |
| 588 | LONGEST low_bound, high_bound; |
| 589 | int i; |
| 590 | int is_bitstring = TYPE_CODE (type) == TYPE_CODE_BITSTRING; |
| 591 | int need_comma = 0; |
| 592 | |
| 593 | if (is_bitstring) |
| 594 | fputs_filtered ("B'", stream); |
| 595 | else |
| 596 | fputs_filtered ("{", stream); |
| 597 | |
| 598 | i = get_discrete_bounds (range, &low_bound, &high_bound); |
| 599 | maybe_bad_bstring: |
| 600 | if (i < 0) |
| 601 | { |
| 602 | fputs_filtered (_("<error value>"), stream); |
| 603 | goto done; |
| 604 | } |
| 605 | |
| 606 | for (i = low_bound; i <= high_bound; i++) |
| 607 | { |
| 608 | int element = value_bit_index (type, valaddr + embedded_offset, |
| 609 | i); |
| 610 | |
| 611 | if (element < 0) |
| 612 | { |
| 613 | i = element; |
| 614 | goto maybe_bad_bstring; |
| 615 | } |
| 616 | if (is_bitstring) |
| 617 | fprintf_filtered (stream, "%d", element); |
| 618 | else if (element) |
| 619 | { |
| 620 | if (need_comma) |
| 621 | fputs_filtered (", ", stream); |
| 622 | print_type_scalar (range, i, stream); |
| 623 | need_comma = 1; |
| 624 | |
| 625 | if (i + 1 <= high_bound |
| 626 | && value_bit_index (type, valaddr + embedded_offset, |
| 627 | ++i)) |
| 628 | { |
| 629 | int j = i; |
| 630 | |
| 631 | fputs_filtered ("..", stream); |
| 632 | while (i + 1 <= high_bound |
| 633 | && value_bit_index (type, |
| 634 | valaddr + embedded_offset, |
| 635 | ++i)) |
| 636 | j = i; |
| 637 | print_type_scalar (range, j, stream); |
| 638 | } |
| 639 | } |
| 640 | } |
| 641 | done: |
| 642 | if (is_bitstring) |
| 643 | fputs_filtered ("'", stream); |
| 644 | else |
| 645 | fputs_filtered ("}", stream); |
| 646 | } |
| 647 | break; |
| 648 | |
| 649 | case TYPE_CODE_VOID: |
| 650 | fprintf_filtered (stream, "void"); |
| 651 | break; |
| 652 | |
| 653 | case TYPE_CODE_ERROR: |
| 654 | fprintf_filtered (stream, "%s", TYPE_ERROR_NAME (type)); |
| 655 | break; |
| 656 | |
| 657 | case TYPE_CODE_UNDEF: |
| 658 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use |
| 659 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
| 660 | and no complete type for struct foo in that file. */ |
| 661 | fprintf_filtered (stream, _("<incomplete type>")); |
| 662 | break; |
| 663 | |
| 664 | default: |
| 665 | error (_("Invalid m2 type code %d in symbol table."), TYPE_CODE (type)); |
| 666 | } |
| 667 | gdb_flush (stream); |
| 668 | return (0); |
| 669 | } |