| 1 | /* Print values for GDB, the GNU debugger. |
| 2 | Copyright 1986, 1988, 1989, 1991 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include <string.h> |
| 22 | #include "symtab.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "value.h" |
| 25 | #include "gdbcore.h" |
| 26 | #include "gdbcmd.h" |
| 27 | #include "target.h" |
| 28 | #include "obstack.h" |
| 29 | #include "language.h" |
| 30 | #include "demangle.h" |
| 31 | |
| 32 | #include <errno.h> |
| 33 | |
| 34 | /* Prototypes for local functions */ |
| 35 | |
| 36 | static void |
| 37 | print_string PARAMS ((FILE *, char *, unsigned int, int)); |
| 38 | |
| 39 | static void |
| 40 | show_print PARAMS ((char *, int)); |
| 41 | |
| 42 | static void |
| 43 | set_print PARAMS ((char *, int)); |
| 44 | |
| 45 | static void |
| 46 | set_radix PARAMS ((char *, int, struct cmd_list_element *)); |
| 47 | |
| 48 | static void |
| 49 | set_output_radix PARAMS ((char *, int, struct cmd_list_element *)); |
| 50 | |
| 51 | static void |
| 52 | type_print_base PARAMS ((struct type *, FILE *, int, int)); |
| 53 | |
| 54 | static void |
| 55 | type_print_args PARAMS ((struct type *, FILE *)); |
| 56 | |
| 57 | static void |
| 58 | type_print_varspec_suffix PARAMS ((struct type *, FILE *, int, int, int)); |
| 59 | |
| 60 | static void |
| 61 | type_print_varspec_prefix PARAMS ((struct type *, FILE *, int, int)); |
| 62 | |
| 63 | static void |
| 64 | type_print_derivation_info PARAMS ((FILE *, struct type *)); |
| 65 | |
| 66 | static void |
| 67 | type_print_method_args PARAMS ((struct type **, char *, char *, int, FILE *)); |
| 68 | |
| 69 | static void |
| 70 | cplus_val_print PARAMS ((struct type *, char *, FILE *, int, int, |
| 71 | enum val_prettyprint, struct type **)); |
| 72 | |
| 73 | static void |
| 74 | val_print_fields PARAMS ((struct type *, char *, FILE *, int, int, |
| 75 | enum val_prettyprint, struct type **)); |
| 76 | |
| 77 | static int |
| 78 | is_vtbl_member PARAMS ((struct type *)); |
| 79 | |
| 80 | static int |
| 81 | is_vtbl_ptr_type PARAMS ((struct type *)); |
| 82 | |
| 83 | static void |
| 84 | print_hex_chars PARAMS ((FILE *, unsigned char *, unsigned)); |
| 85 | |
| 86 | extern int demangle; /* whether to print C++ syms raw or source-form */ |
| 87 | |
| 88 | /* Maximum number of chars to print for a string pointer value |
| 89 | or vector contents, or UINT_MAX for no limit. */ |
| 90 | |
| 91 | static unsigned int print_max; |
| 92 | |
| 93 | /* Default input and output radixes, and output format letter. */ |
| 94 | |
| 95 | unsigned input_radix = 10; |
| 96 | unsigned output_radix = 10; |
| 97 | int output_format = 0; |
| 98 | |
| 99 | /* Print repeat counts if there are more than this |
| 100 | many repetitions of an element in an array. */ |
| 101 | #define REPEAT_COUNT_THRESHOLD 10 |
| 102 | |
| 103 | /* Define a mess of print controls. */ |
| 104 | |
| 105 | int prettyprint; /* Controls pretty printing of structures */ |
| 106 | int vtblprint; /* Controls printing of vtbl's */ |
| 107 | int unionprint; /* Controls printing of nested unions. */ |
| 108 | int arrayprint; /* Controls pretty printing of arrays. */ |
| 109 | int addressprint; /* Controls pretty printing of addresses. */ |
| 110 | int objectprint; /* Controls looking up an object's derived type |
| 111 | using what we find in its vtables. */ |
| 112 | |
| 113 | struct obstack dont_print_obstack; |
| 114 | |
| 115 | \f |
| 116 | /* Print the character string STRING, printing at most LENGTH characters. |
| 117 | Printing stops early if the number hits print_max; repeat counts |
| 118 | are printed as appropriate. Print ellipses at the end if we |
| 119 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. */ |
| 120 | |
| 121 | static void |
| 122 | print_string (stream, string, length, force_ellipses) |
| 123 | FILE *stream; |
| 124 | char *string; |
| 125 | unsigned int length; |
| 126 | int force_ellipses; |
| 127 | { |
| 128 | register unsigned int i; |
| 129 | unsigned int things_printed = 0; |
| 130 | int in_quotes = 0; |
| 131 | int need_comma = 0; |
| 132 | extern int inspect_it; |
| 133 | |
| 134 | if (length == 0) |
| 135 | { |
| 136 | fputs_filtered ("\"\"", stdout); |
| 137 | return; |
| 138 | } |
| 139 | |
| 140 | for (i = 0; i < length && things_printed < print_max; ++i) |
| 141 | { |
| 142 | /* Position of the character we are examining |
| 143 | to see whether it is repeated. */ |
| 144 | unsigned int rep1; |
| 145 | /* Number of repetitions we have detected so far. */ |
| 146 | unsigned int reps; |
| 147 | |
| 148 | QUIT; |
| 149 | |
| 150 | if (need_comma) |
| 151 | { |
| 152 | fputs_filtered (", ", stream); |
| 153 | need_comma = 0; |
| 154 | } |
| 155 | |
| 156 | rep1 = i + 1; |
| 157 | reps = 1; |
| 158 | while (rep1 < length && string[rep1] == string[i]) |
| 159 | { |
| 160 | ++rep1; |
| 161 | ++reps; |
| 162 | } |
| 163 | |
| 164 | if (reps > REPEAT_COUNT_THRESHOLD) |
| 165 | { |
| 166 | if (in_quotes) |
| 167 | { |
| 168 | if (inspect_it) |
| 169 | fputs_filtered ("\\\", ", stream); |
| 170 | else |
| 171 | fputs_filtered ("\", ", stream); |
| 172 | in_quotes = 0; |
| 173 | } |
| 174 | fputs_filtered ("'", stream); |
| 175 | printchar (string[i], stream, '\''); |
| 176 | fprintf_filtered (stream, "' <repeats %u times>", reps); |
| 177 | i = rep1 - 1; |
| 178 | things_printed += REPEAT_COUNT_THRESHOLD; |
| 179 | need_comma = 1; |
| 180 | } |
| 181 | else |
| 182 | { |
| 183 | if (!in_quotes) |
| 184 | { |
| 185 | if (inspect_it) |
| 186 | fputs_filtered ("\\\"", stream); |
| 187 | else |
| 188 | fputs_filtered ("\"", stream); |
| 189 | in_quotes = 1; |
| 190 | } |
| 191 | printchar (string[i], stream, '"'); |
| 192 | ++things_printed; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | /* Terminate the quotes if necessary. */ |
| 197 | if (in_quotes) |
| 198 | { |
| 199 | if (inspect_it) |
| 200 | fputs_filtered ("\\\"", stream); |
| 201 | else |
| 202 | fputs_filtered ("\"", stream); |
| 203 | } |
| 204 | |
| 205 | if (force_ellipses || i < length) |
| 206 | fputs_filtered ("...", stream); |
| 207 | } |
| 208 | |
| 209 | /* Print a floating point value of type TYPE, pointed to in GDB by VALADDR, |
| 210 | on STREAM. */ |
| 211 | |
| 212 | void |
| 213 | print_floating (valaddr, type, stream) |
| 214 | char *valaddr; |
| 215 | struct type *type; |
| 216 | FILE *stream; |
| 217 | { |
| 218 | double doub; |
| 219 | int inv; |
| 220 | unsigned len = TYPE_LENGTH (type); |
| 221 | |
| 222 | #if defined (IEEE_FLOAT) |
| 223 | |
| 224 | /* Check for NaN's. Note that this code does not depend on us being |
| 225 | on an IEEE conforming system. It only depends on the target |
| 226 | machine using IEEE representation. This means (a) |
| 227 | cross-debugging works right, and (2) IEEE_FLOAT can (and should) |
| 228 | be defined for systems like the 68881, which uses IEEE |
| 229 | representation, but is not IEEE conforming. */ |
| 230 | |
| 231 | { |
| 232 | long low, high; |
| 233 | /* Is the sign bit 0? */ |
| 234 | int nonnegative; |
| 235 | /* Is it is a NaN (i.e. the exponent is all ones and |
| 236 | the fraction is nonzero)? */ |
| 237 | int is_nan; |
| 238 | |
| 239 | if (len == sizeof (float)) |
| 240 | { |
| 241 | /* It's single precision. */ |
| 242 | memcpy ((char *) &low, valaddr, sizeof (low)); |
| 243 | /* target -> host. */ |
| 244 | SWAP_TARGET_AND_HOST (&low, sizeof (float)); |
| 245 | nonnegative = low >= 0; |
| 246 | is_nan = ((((low >> 23) & 0xFF) == 0xFF) |
| 247 | && 0 != (low & 0x7FFFFF)); |
| 248 | low &= 0x7fffff; |
| 249 | high = 0; |
| 250 | } |
| 251 | else |
| 252 | { |
| 253 | /* It's double precision. Get the high and low words. */ |
| 254 | |
| 255 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 256 | memcpy (&low, valaddr+4, sizeof (low)); |
| 257 | memcpy (&high, valaddr+0, sizeof (high)); |
| 258 | #else |
| 259 | memcpy (&low, valaddr+0, sizeof (low)); |
| 260 | memcpy (&high, valaddr+4, sizeof (high)); |
| 261 | #endif |
| 262 | SWAP_TARGET_AND_HOST (&low, sizeof (low)); |
| 263 | SWAP_TARGET_AND_HOST (&high, sizeof (high)); |
| 264 | nonnegative = high >= 0; |
| 265 | is_nan = (((high >> 20) & 0x7ff) == 0x7ff |
| 266 | && ! ((((high & 0xfffff) == 0)) && (low == 0))); |
| 267 | high &= 0xfffff; |
| 268 | } |
| 269 | |
| 270 | if (is_nan) |
| 271 | { |
| 272 | /* The meaning of the sign and fraction is not defined by IEEE. |
| 273 | But the user might know what they mean. For example, they |
| 274 | (in an implementation-defined manner) distinguish between |
| 275 | signaling and quiet NaN's. */ |
| 276 | if (high) |
| 277 | fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + nonnegative, |
| 278 | high, low); |
| 279 | else |
| 280 | fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low); |
| 281 | return; |
| 282 | } |
| 283 | } |
| 284 | #endif /* IEEE_FLOAT. */ |
| 285 | |
| 286 | doub = unpack_double (type, valaddr, &inv); |
| 287 | if (inv) |
| 288 | fprintf_filtered (stream, "<invalid float value>"); |
| 289 | else |
| 290 | fprintf_filtered (stream, len <= sizeof(float) ? "%.9g" : "%.17g", doub); |
| 291 | } |
| 292 | |
| 293 | /* VALADDR points to an integer of LEN bytes. Print it in hex on stream. */ |
| 294 | static void |
| 295 | print_hex_chars (stream, valaddr, len) |
| 296 | FILE *stream; |
| 297 | unsigned char *valaddr; |
| 298 | unsigned len; |
| 299 | { |
| 300 | unsigned char *p; |
| 301 | |
| 302 | fprintf_filtered (stream, "0x"); |
| 303 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 304 | for (p = valaddr; |
| 305 | p < valaddr + len; |
| 306 | p++) |
| 307 | #else /* Little endian. */ |
| 308 | for (p = valaddr + len - 1; |
| 309 | p >= valaddr; |
| 310 | p--) |
| 311 | #endif |
| 312 | { |
| 313 | fprintf_filtered (stream, "%02x", *p); |
| 314 | } |
| 315 | } |
| 316 | \f |
| 317 | /* Print the value VAL in C-ish syntax on stream STREAM. |
| 318 | FORMAT is a format-letter, or 0 for print in natural format of data type. |
| 319 | If the object printed is a string pointer, returns |
| 320 | the number of string bytes printed. */ |
| 321 | |
| 322 | int |
| 323 | value_print (val, stream, format, pretty) |
| 324 | value val; |
| 325 | FILE *stream; |
| 326 | int format; |
| 327 | enum val_prettyprint pretty; |
| 328 | { |
| 329 | register unsigned int i, n, typelen; |
| 330 | |
| 331 | if (val == 0) |
| 332 | { |
| 333 | printf_filtered ("<address of value unknown>"); |
| 334 | return 0; |
| 335 | } |
| 336 | if (VALUE_OPTIMIZED_OUT (val)) |
| 337 | { |
| 338 | printf_filtered ("<value optimized out>"); |
| 339 | return 0; |
| 340 | } |
| 341 | |
| 342 | /* A "repeated" value really contains several values in a row. |
| 343 | They are made by the @ operator. |
| 344 | Print such values as if they were arrays. */ |
| 345 | |
| 346 | else if (VALUE_REPEATED (val)) |
| 347 | { |
| 348 | n = VALUE_REPETITIONS (val); |
| 349 | typelen = TYPE_LENGTH (VALUE_TYPE (val)); |
| 350 | fprintf_filtered (stream, "{"); |
| 351 | /* Print arrays of characters using string syntax. */ |
| 352 | if (typelen == 1 && TYPE_CODE (VALUE_TYPE (val)) == TYPE_CODE_INT |
| 353 | && format == 0) |
| 354 | print_string (stream, VALUE_CONTENTS (val), n, 0); |
| 355 | else |
| 356 | { |
| 357 | unsigned int things_printed = 0; |
| 358 | |
| 359 | for (i = 0; i < n && things_printed < print_max; i++) |
| 360 | { |
| 361 | /* Position of the array element we are examining to see |
| 362 | whether it is repeated. */ |
| 363 | unsigned int rep1; |
| 364 | /* Number of repetitions we have detected so far. */ |
| 365 | unsigned int reps; |
| 366 | |
| 367 | if (i != 0) |
| 368 | fprintf_filtered (stream, ", "); |
| 369 | wrap_here (""); |
| 370 | |
| 371 | rep1 = i + 1; |
| 372 | reps = 1; |
| 373 | while (rep1 < n |
| 374 | && !memcmp (VALUE_CONTENTS (val) + typelen * i, |
| 375 | VALUE_CONTENTS (val) + typelen * rep1, typelen)) |
| 376 | { |
| 377 | ++reps; |
| 378 | ++rep1; |
| 379 | } |
| 380 | |
| 381 | if (reps > REPEAT_COUNT_THRESHOLD) |
| 382 | { |
| 383 | val_print (VALUE_TYPE (val), |
| 384 | VALUE_CONTENTS (val) + typelen * i, |
| 385 | VALUE_ADDRESS (val) + typelen * i, |
| 386 | stream, format, 1, 0, pretty); |
| 387 | fprintf (stream, " <repeats %u times>", reps); |
| 388 | i = rep1 - 1; |
| 389 | things_printed += REPEAT_COUNT_THRESHOLD; |
| 390 | } |
| 391 | else |
| 392 | { |
| 393 | val_print (VALUE_TYPE (val), |
| 394 | VALUE_CONTENTS (val) + typelen * i, |
| 395 | VALUE_ADDRESS (val) + typelen * i, |
| 396 | stream, format, 1, 0, pretty); |
| 397 | things_printed++; |
| 398 | } |
| 399 | } |
| 400 | if (i < n) |
| 401 | fprintf_filtered (stream, "..."); |
| 402 | } |
| 403 | fprintf_filtered (stream, "}"); |
| 404 | return n * typelen; |
| 405 | } |
| 406 | else |
| 407 | { |
| 408 | struct type *type = VALUE_TYPE (val); |
| 409 | |
| 410 | /* If it is a pointer, indicate what it points to. |
| 411 | |
| 412 | Print type also if it is a reference. |
| 413 | |
| 414 | C++: if it is a member pointer, we will take care |
| 415 | of that when we print it. */ |
| 416 | if (TYPE_CODE (type) == TYPE_CODE_PTR |
| 417 | || TYPE_CODE (type) == TYPE_CODE_REF) |
| 418 | { |
| 419 | /* Hack: remove (char *) for char strings. Their |
| 420 | type is indicated by the quoted string anyway. */ |
| 421 | if (TYPE_CODE (type) == TYPE_CODE_PTR |
| 422 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) == sizeof(char) |
| 423 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_INT |
| 424 | && !TYPE_UNSIGNED (TYPE_TARGET_TYPE (type))) |
| 425 | { |
| 426 | /* Print nothing */ |
| 427 | } |
| 428 | else |
| 429 | { |
| 430 | fprintf_filtered (stream, "("); |
| 431 | type_print (type, "", stream, -1); |
| 432 | fprintf_filtered (stream, ") "); |
| 433 | } |
| 434 | } |
| 435 | return val_print (type, VALUE_CONTENTS (val), |
| 436 | VALUE_ADDRESS (val), stream, format, 1, 0, pretty); |
| 437 | } |
| 438 | } |
| 439 | |
| 440 | /* Return truth value for assertion that TYPE is of the type |
| 441 | "pointer to virtual function". */ |
| 442 | static int |
| 443 | is_vtbl_ptr_type(type) |
| 444 | struct type *type; |
| 445 | { |
| 446 | char *typename = type_name_no_tag (type); |
| 447 | static const char vtbl_ptr_name[] = |
| 448 | { CPLUS_MARKER,'v','t','b','l','_','p','t','r','_','t','y','p','e', 0 }; |
| 449 | |
| 450 | return (typename != NULL && !strcmp(typename, vtbl_ptr_name)); |
| 451 | } |
| 452 | |
| 453 | /* Return truth value for the assertion that TYPE is of the type |
| 454 | "pointer to virtual function table". */ |
| 455 | static int |
| 456 | is_vtbl_member(type) |
| 457 | struct type *type; |
| 458 | { |
| 459 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
| 460 | type = TYPE_TARGET_TYPE (type); |
| 461 | else |
| 462 | return 0; |
| 463 | |
| 464 | if (TYPE_CODE (type) == TYPE_CODE_ARRAY |
| 465 | && TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_STRUCT) |
| 466 | /* Virtual functions tables are full of pointers to virtual functions. */ |
| 467 | return is_vtbl_ptr_type (TYPE_TARGET_TYPE (type)); |
| 468 | return 0; |
| 469 | } |
| 470 | \f |
| 471 | /* Mutually recursive subroutines of cplus_val_print and val_print to print out |
| 472 | a structure's fields: val_print_fields and cplus_val_print. |
| 473 | |
| 474 | TYPE, VALADDR, STREAM, RECURSE, and PRETTY have the |
| 475 | same meanings as in cplus_val_print and val_print. |
| 476 | |
| 477 | DONT_PRINT is an array of baseclass types that we |
| 478 | should not print, or zero if called from top level. */ |
| 479 | |
| 480 | static void |
| 481 | val_print_fields (type, valaddr, stream, format, recurse, pretty, dont_print) |
| 482 | struct type *type; |
| 483 | char *valaddr; |
| 484 | FILE *stream; |
| 485 | int format; |
| 486 | int recurse; |
| 487 | enum val_prettyprint pretty; |
| 488 | struct type **dont_print; |
| 489 | { |
| 490 | int i, len, n_baseclasses; |
| 491 | |
| 492 | check_stub_type (type); |
| 493 | |
| 494 | fprintf_filtered (stream, "{"); |
| 495 | len = TYPE_NFIELDS (type); |
| 496 | n_baseclasses = TYPE_N_BASECLASSES (type); |
| 497 | |
| 498 | /* Print out baseclasses such that we don't print |
| 499 | duplicates of virtual baseclasses. */ |
| 500 | if (n_baseclasses > 0) |
| 501 | cplus_val_print (type, valaddr, stream, format, recurse+1, pretty, dont_print); |
| 502 | |
| 503 | if (!len && n_baseclasses == 1) |
| 504 | fprintf_filtered (stream, "<No data fields>"); |
| 505 | else |
| 506 | { |
| 507 | extern int inspect_it; |
| 508 | int fields_seen = 0; |
| 509 | |
| 510 | for (i = n_baseclasses; i < len; i++) |
| 511 | { |
| 512 | /* Check if static field */ |
| 513 | if (TYPE_FIELD_STATIC (type, i) || TYPE_FIELD_NESTED (type, i)) |
| 514 | continue; |
| 515 | if (fields_seen) |
| 516 | fprintf_filtered (stream, ", "); |
| 517 | else if (n_baseclasses > 0) |
| 518 | { |
| 519 | if (pretty) |
| 520 | { |
| 521 | fprintf_filtered (stream, "\n"); |
| 522 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 523 | fputs_filtered ("members of ", stream); |
| 524 | fputs_filtered (type_name_no_tag (type), stream); |
| 525 | fputs_filtered (": ", stream); |
| 526 | } |
| 527 | } |
| 528 | fields_seen = 1; |
| 529 | |
| 530 | if (pretty) |
| 531 | { |
| 532 | fprintf_filtered (stream, "\n"); |
| 533 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 534 | } |
| 535 | else |
| 536 | { |
| 537 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 538 | } |
| 539 | if (inspect_it) |
| 540 | { |
| 541 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, i)) == TYPE_CODE_PTR) |
| 542 | fputs_filtered ("\"( ptr \"", stream); |
| 543 | else |
| 544 | fputs_filtered ("\"( nodef \"", stream); |
| 545 | fprint_symbol (stream, TYPE_FIELD_NAME (type, i)); |
| 546 | fputs_filtered ("\" \"", stream); |
| 547 | fprint_symbol (stream, TYPE_FIELD_NAME (type, i)); |
| 548 | fputs_filtered ("\") \"", stream); |
| 549 | } |
| 550 | else |
| 551 | { |
| 552 | fprint_symbol (stream, TYPE_FIELD_NAME (type, i)); |
| 553 | fputs_filtered (" = ", stream); |
| 554 | } |
| 555 | if (TYPE_FIELD_PACKED (type, i)) |
| 556 | { |
| 557 | value v; |
| 558 | |
| 559 | /* Bitfields require special handling, especially due to byte |
| 560 | order problems. */ |
| 561 | v = value_from_longest (TYPE_FIELD_TYPE (type, i), |
| 562 | unpack_field_as_long (type, valaddr, i)); |
| 563 | |
| 564 | val_print (TYPE_FIELD_TYPE (type, i), VALUE_CONTENTS (v), 0, |
| 565 | stream, format, 0, recurse + 1, pretty); |
| 566 | } |
| 567 | else |
| 568 | { |
| 569 | val_print (TYPE_FIELD_TYPE (type, i), |
| 570 | valaddr + TYPE_FIELD_BITPOS (type, i) / 8, |
| 571 | 0, stream, format, 0, recurse + 1, pretty); |
| 572 | } |
| 573 | } |
| 574 | if (pretty) |
| 575 | { |
| 576 | fprintf_filtered (stream, "\n"); |
| 577 | print_spaces_filtered (2 * recurse, stream); |
| 578 | } |
| 579 | } |
| 580 | fprintf_filtered (stream, "}"); |
| 581 | } |
| 582 | |
| 583 | /* Special val_print routine to avoid printing multiple copies of virtual |
| 584 | baseclasses. */ |
| 585 | |
| 586 | static void |
| 587 | cplus_val_print (type, valaddr, stream, format, recurse, pretty, dont_print) |
| 588 | struct type *type; |
| 589 | char *valaddr; |
| 590 | FILE *stream; |
| 591 | int format; |
| 592 | int recurse; |
| 593 | enum val_prettyprint pretty; |
| 594 | struct type **dont_print; |
| 595 | { |
| 596 | struct obstack tmp_obstack; |
| 597 | struct type **last_dont_print |
| 598 | = (struct type **)obstack_next_free (&dont_print_obstack); |
| 599 | int i, n_baseclasses = TYPE_N_BASECLASSES (type); |
| 600 | |
| 601 | if (dont_print == 0) |
| 602 | { |
| 603 | /* If we're at top level, carve out a completely fresh |
| 604 | chunk of the obstack and use that until this particular |
| 605 | invocation returns. */ |
| 606 | tmp_obstack = dont_print_obstack; |
| 607 | /* Bump up the high-water mark. Now alpha is omega. */ |
| 608 | obstack_finish (&dont_print_obstack); |
| 609 | } |
| 610 | |
| 611 | for (i = 0; i < n_baseclasses; i++) |
| 612 | { |
| 613 | char *baddr; |
| 614 | int err; |
| 615 | |
| 616 | if (BASETYPE_VIA_VIRTUAL (type, i)) |
| 617 | { |
| 618 | struct type **first_dont_print |
| 619 | = (struct type **)obstack_base (&dont_print_obstack); |
| 620 | |
| 621 | int j = (struct type **)obstack_next_free (&dont_print_obstack) |
| 622 | - first_dont_print; |
| 623 | |
| 624 | while (--j >= 0) |
| 625 | if (TYPE_BASECLASS (type, i) == first_dont_print[j]) |
| 626 | goto flush_it; |
| 627 | |
| 628 | obstack_ptr_grow (&dont_print_obstack, TYPE_BASECLASS (type, i)); |
| 629 | } |
| 630 | |
| 631 | /* Fix to use baseclass_offset instead. FIXME */ |
| 632 | baddr = baseclass_addr (type, i, valaddr, 0, &err); |
| 633 | if (err == 0 && baddr == 0) |
| 634 | error ("could not find virtual baseclass `%s'\n", |
| 635 | type_name_no_tag (TYPE_BASECLASS (type, i))); |
| 636 | |
| 637 | if (pretty) |
| 638 | { |
| 639 | fprintf_filtered (stream, "\n"); |
| 640 | print_spaces_filtered (2 * recurse, stream); |
| 641 | } |
| 642 | fputs_filtered ("<", stream); |
| 643 | fputs_filtered (type_name_no_tag (TYPE_BASECLASS (type, i)), stream); |
| 644 | fputs_filtered ("> = ", stream); |
| 645 | if (err != 0) |
| 646 | fprintf_filtered (stream, "<invalid address 0x%x>", baddr); |
| 647 | else |
| 648 | val_print_fields (TYPE_BASECLASS (type, i), baddr, stream, format, |
| 649 | recurse, pretty, |
| 650 | (struct type **)obstack_base (&dont_print_obstack)); |
| 651 | fputs_filtered (", ", stream); |
| 652 | |
| 653 | flush_it: |
| 654 | ; |
| 655 | } |
| 656 | |
| 657 | if (dont_print == 0) |
| 658 | { |
| 659 | /* Free the space used to deal with the printing |
| 660 | of this type from top level. */ |
| 661 | obstack_free (&dont_print_obstack, last_dont_print); |
| 662 | /* Reset watermark so that we can continue protecting |
| 663 | ourselves from whatever we were protecting ourselves. */ |
| 664 | dont_print_obstack = tmp_obstack; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | static void |
| 669 | print_class_member (valaddr, domain, stream, prefix) |
| 670 | char *valaddr; |
| 671 | struct type *domain; |
| 672 | FILE *stream; |
| 673 | char *prefix; |
| 674 | { |
| 675 | |
| 676 | /* VAL is a byte offset into the structure type DOMAIN. |
| 677 | Find the name of the field for that offset and |
| 678 | print it. */ |
| 679 | int extra = 0; |
| 680 | int bits = 0; |
| 681 | register unsigned int i; |
| 682 | unsigned len = TYPE_NFIELDS (domain); |
| 683 | /* @@ Make VAL into bit offset */ |
| 684 | LONGEST val = unpack_long (builtin_type_int, valaddr) << 3; |
| 685 | for (i = TYPE_N_BASECLASSES (domain); i < len; i++) |
| 686 | { |
| 687 | int bitpos = TYPE_FIELD_BITPOS (domain, i); |
| 688 | QUIT; |
| 689 | if (val == bitpos) |
| 690 | break; |
| 691 | if (val < bitpos && i != 0) |
| 692 | { |
| 693 | /* Somehow pointing into a field. */ |
| 694 | i -= 1; |
| 695 | extra = (val - TYPE_FIELD_BITPOS (domain, i)); |
| 696 | if (extra & 0x7) |
| 697 | bits = 1; |
| 698 | else |
| 699 | extra >>= 3; |
| 700 | break; |
| 701 | } |
| 702 | } |
| 703 | if (i < len) |
| 704 | { |
| 705 | char *name; |
| 706 | fprintf_filtered (stream, prefix); |
| 707 | name = type_name_no_tag (domain); |
| 708 | if (name) |
| 709 | fputs_filtered (name, stream); |
| 710 | else |
| 711 | type_print_base (domain, stream, 0, 0); |
| 712 | fprintf_filtered (stream, "::"); |
| 713 | fputs_filtered (TYPE_FIELD_NAME (domain, i), stream); |
| 714 | if (extra) |
| 715 | fprintf_filtered (stream, " + %d bytes", extra); |
| 716 | if (bits) |
| 717 | fprintf_filtered (stream, " (offset in bits)"); |
| 718 | } |
| 719 | else |
| 720 | fprintf_filtered (stream, "%d", val >> 3); |
| 721 | } |
| 722 | |
| 723 | /* Print data of type TYPE located at VALADDR (within GDB), |
| 724 | which came from the inferior at address ADDRESS, |
| 725 | onto stdio stream STREAM according to FORMAT |
| 726 | (a letter or 0 for natural format). The data at VALADDR |
| 727 | is in target byte order. |
| 728 | |
| 729 | If the data are a string pointer, returns the number of |
| 730 | sting characters printed. |
| 731 | |
| 732 | if DEREF_REF is nonzero, then dereference references, |
| 733 | otherwise just print them like pointers. |
| 734 | |
| 735 | The PRETTY parameter controls prettyprinting. */ |
| 736 | |
| 737 | int |
| 738 | val_print (type, valaddr, address, stream, format, deref_ref, recurse, pretty) |
| 739 | struct type *type; |
| 740 | char *valaddr; |
| 741 | CORE_ADDR address; |
| 742 | FILE *stream; |
| 743 | int format; |
| 744 | int deref_ref; |
| 745 | int recurse; |
| 746 | enum val_prettyprint pretty; |
| 747 | { |
| 748 | register unsigned int i; |
| 749 | unsigned len; |
| 750 | struct type *elttype; |
| 751 | unsigned eltlen; |
| 752 | LONGEST val; |
| 753 | unsigned char c; |
| 754 | |
| 755 | if (pretty == Val_pretty_default) |
| 756 | { |
| 757 | pretty = prettyprint ? Val_prettyprint : Val_no_prettyprint; |
| 758 | } |
| 759 | |
| 760 | QUIT; |
| 761 | |
| 762 | check_stub_type (type); |
| 763 | |
| 764 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) |
| 765 | { |
| 766 | fprintf_filtered (stream, "<unknown struct>"); |
| 767 | fflush (stream); |
| 768 | return 0; |
| 769 | } |
| 770 | |
| 771 | switch (TYPE_CODE (type)) |
| 772 | { |
| 773 | case TYPE_CODE_ARRAY: |
| 774 | if (TYPE_LENGTH (type) > 0 |
| 775 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) |
| 776 | { |
| 777 | elttype = TYPE_TARGET_TYPE (type); |
| 778 | eltlen = TYPE_LENGTH (elttype); |
| 779 | len = TYPE_LENGTH (type) / eltlen; |
| 780 | if (arrayprint) |
| 781 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 782 | fprintf_filtered (stream, "{"); |
| 783 | /* For an array of chars, print with string syntax. */ |
| 784 | if (eltlen == 1 && TYPE_CODE (elttype) == TYPE_CODE_INT |
| 785 | && (format == 0 || format == 's') ) |
| 786 | print_string (stream, valaddr, len, 0); |
| 787 | else |
| 788 | { |
| 789 | unsigned int things_printed = 0; |
| 790 | |
| 791 | /* If this is a virtual function table, print the 0th |
| 792 | entry specially, and the rest of the members normally. */ |
| 793 | if (is_vtbl_ptr_type (elttype)) |
| 794 | { |
| 795 | fprintf_filtered (stream, "%d vtable entries", len-1); |
| 796 | i = 1; |
| 797 | } |
| 798 | else |
| 799 | i = 0; |
| 800 | |
| 801 | for (; i < len && things_printed < print_max; i++) |
| 802 | { |
| 803 | /* Position of the array element we are examining to see |
| 804 | whether it is repeated. */ |
| 805 | unsigned int rep1; |
| 806 | /* Number of repetitions we have detected so far. */ |
| 807 | unsigned int reps; |
| 808 | |
| 809 | if (i != 0) |
| 810 | if (arrayprint) |
| 811 | { |
| 812 | fprintf_filtered (stream, ",\n"); |
| 813 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 814 | } |
| 815 | else |
| 816 | fprintf_filtered (stream, ", "); |
| 817 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 818 | |
| 819 | rep1 = i + 1; |
| 820 | reps = 1; |
| 821 | while (rep1 < len |
| 822 | && !memcmp (valaddr + i * eltlen, |
| 823 | valaddr + rep1 * eltlen, eltlen)) |
| 824 | { |
| 825 | ++reps; |
| 826 | ++rep1; |
| 827 | } |
| 828 | |
| 829 | if (reps > REPEAT_COUNT_THRESHOLD) |
| 830 | { |
| 831 | val_print (elttype, valaddr + i * eltlen, |
| 832 | 0, stream, format, deref_ref, |
| 833 | recurse + 1, pretty); |
| 834 | fprintf_filtered (stream, " <repeats %u times>", reps); |
| 835 | i = rep1 - 1; |
| 836 | things_printed += REPEAT_COUNT_THRESHOLD; |
| 837 | } |
| 838 | else |
| 839 | { |
| 840 | val_print (elttype, valaddr + i * eltlen, |
| 841 | 0, stream, format, deref_ref, |
| 842 | recurse + 1, pretty); |
| 843 | things_printed++; |
| 844 | } |
| 845 | } |
| 846 | if (i < len) |
| 847 | fprintf_filtered (stream, "..."); |
| 848 | } |
| 849 | fprintf_filtered (stream, "}"); |
| 850 | break; |
| 851 | } |
| 852 | /* Array of unspecified length: treat like pointer to first elt. */ |
| 853 | valaddr = (char *) &address; |
| 854 | |
| 855 | case TYPE_CODE_PTR: |
| 856 | if (format && format != 's') |
| 857 | { |
| 858 | print_scalar_formatted (valaddr, type, format, 0, stream); |
| 859 | break; |
| 860 | } |
| 861 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_METHOD) |
| 862 | { |
| 863 | struct type *domain = TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)); |
| 864 | struct fn_field *f; |
| 865 | int j, len2; |
| 866 | char *kind = ""; |
| 867 | CORE_ADDR addr; |
| 868 | |
| 869 | addr = unpack_pointer (lookup_pointer_type (builtin_type_void), |
| 870 | valaddr); |
| 871 | if (METHOD_PTR_IS_VIRTUAL(addr)) |
| 872 | { |
| 873 | int offset = METHOD_PTR_TO_VOFFSET(addr); |
| 874 | len = TYPE_NFN_FIELDS (domain); |
| 875 | for (i = 0; i < len; i++) |
| 876 | { |
| 877 | f = TYPE_FN_FIELDLIST1 (domain, i); |
| 878 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); |
| 879 | |
| 880 | for (j = 0; j < len2; j++) |
| 881 | { |
| 882 | QUIT; |
| 883 | if (TYPE_FN_FIELD_VOFFSET (f, j) == offset) |
| 884 | { |
| 885 | kind = "virtual "; |
| 886 | goto common; |
| 887 | } |
| 888 | } |
| 889 | } |
| 890 | } |
| 891 | else |
| 892 | { |
| 893 | struct symbol *sym = find_pc_function (addr); |
| 894 | if (sym == 0) |
| 895 | error ("invalid pointer to member function"); |
| 896 | len = TYPE_NFN_FIELDS (domain); |
| 897 | for (i = 0; i < len; i++) |
| 898 | { |
| 899 | f = TYPE_FN_FIELDLIST1 (domain, i); |
| 900 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i); |
| 901 | |
| 902 | for (j = 0; j < len2; j++) |
| 903 | { |
| 904 | QUIT; |
| 905 | if (!strcmp (SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))) |
| 906 | goto common; |
| 907 | } |
| 908 | } |
| 909 | } |
| 910 | common: |
| 911 | if (i < len) |
| 912 | { |
| 913 | fprintf_filtered (stream, "&"); |
| 914 | type_print_varspec_prefix (TYPE_FN_FIELD_TYPE (f, j), stream, 0, 0); |
| 915 | fprintf (stream, kind); |
| 916 | if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' |
| 917 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER) |
| 918 | type_print_method_args |
| 919 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", |
| 920 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); |
| 921 | else |
| 922 | type_print_method_args |
| 923 | (TYPE_FN_FIELD_ARGS (f, j), "", |
| 924 | TYPE_FN_FIELDLIST_NAME (domain, i), 0, stream); |
| 925 | break; |
| 926 | } |
| 927 | fprintf_filtered (stream, "("); |
| 928 | type_print (type, "", stream, -1); |
| 929 | fprintf_filtered (stream, ") %d", (int) addr >> 3); |
| 930 | } |
| 931 | else if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER) |
| 932 | { |
| 933 | print_class_member (valaddr, |
| 934 | TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)), |
| 935 | stream, "&"); |
| 936 | } |
| 937 | else |
| 938 | { |
| 939 | CORE_ADDR addr = unpack_pointer (type, valaddr); |
| 940 | elttype = TYPE_TARGET_TYPE (type); |
| 941 | |
| 942 | if (TYPE_CODE (elttype) == TYPE_CODE_FUNC) |
| 943 | { |
| 944 | /* Try to print what function it points to. */ |
| 945 | print_address_demangle (addr, stream, demangle); |
| 946 | /* Return value is irrelevant except for string pointers. */ |
| 947 | return 0; |
| 948 | } |
| 949 | |
| 950 | if (addressprint && format != 's') |
| 951 | fprintf_filtered (stream, "0x%x", addr); |
| 952 | |
| 953 | /* For a pointer to char or unsigned char, |
| 954 | also print the string pointed to, unless pointer is null. */ |
| 955 | i = 0; /* Number of characters printed. */ |
| 956 | if (TYPE_LENGTH (elttype) == 1 |
| 957 | && TYPE_CODE (elttype) == TYPE_CODE_INT |
| 958 | && (format == 0 || format == 's') |
| 959 | && addr != 0 |
| 960 | /* If print_max is UINT_MAX, the alloca below will fail. |
| 961 | In that case don't try to print the string. */ |
| 962 | && print_max < UINT_MAX) |
| 963 | { |
| 964 | int first_addr_err = 0; |
| 965 | int errcode = 0; |
| 966 | |
| 967 | /* Get first character. */ |
| 968 | errcode = target_read_memory (addr, (char *)&c, 1); |
| 969 | if (errcode != 0) |
| 970 | { |
| 971 | /* First address out of bounds. */ |
| 972 | first_addr_err = 1; |
| 973 | } |
| 974 | else |
| 975 | { |
| 976 | /* A real string. */ |
| 977 | char *string = (char *) alloca (print_max); |
| 978 | |
| 979 | /* If the loop ends by us hitting print_max characters, |
| 980 | we need to have elipses at the end. */ |
| 981 | int force_ellipses = 1; |
| 982 | |
| 983 | /* This loop always fetches print_max characters, even |
| 984 | though print_string might want to print more or fewer |
| 985 | (with repeated characters). This is so that |
| 986 | we don't spend forever fetching if we print |
| 987 | a long string consisting of the same character |
| 988 | repeated. Also so we can do it all in one memory |
| 989 | operation, which is faster. However, this will be |
| 990 | slower if print_max is set high, e.g. if you set |
| 991 | print_max to 1000, not only will it take a long |
| 992 | time to fetch short strings, but if you are near |
| 993 | the end of the address space, it might not work. */ |
| 994 | QUIT; |
| 995 | errcode = target_read_memory (addr, string, print_max); |
| 996 | if (errcode != 0) |
| 997 | { |
| 998 | /* Try reading just one character. If that succeeds, |
| 999 | assume we hit the end of the address space, but |
| 1000 | the initial part of the string is probably safe. */ |
| 1001 | char x[1]; |
| 1002 | errcode = target_read_memory (addr, x, 1); |
| 1003 | } |
| 1004 | if (errcode != 0) |
| 1005 | force_ellipses = 0; |
| 1006 | else |
| 1007 | for (i = 0; i < print_max; i++) |
| 1008 | if (string[i] == '\0') |
| 1009 | { |
| 1010 | force_ellipses = 0; |
| 1011 | break; |
| 1012 | } |
| 1013 | QUIT; |
| 1014 | |
| 1015 | if (addressprint) |
| 1016 | fputs_filtered (" ", stream); |
| 1017 | print_string (stream, string, i, force_ellipses); |
| 1018 | } |
| 1019 | |
| 1020 | if (errcode != 0) |
| 1021 | { |
| 1022 | if (errcode == EIO) |
| 1023 | { |
| 1024 | fprintf_filtered (stream, |
| 1025 | (" <Address 0x%x out of bounds>" |
| 1026 | + first_addr_err), |
| 1027 | addr + i); |
| 1028 | } |
| 1029 | else |
| 1030 | { |
| 1031 | error ("Error reading memory address 0x%x: %s.", |
| 1032 | addr + i, safe_strerror (errcode)); |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | fflush (stream); |
| 1037 | } |
| 1038 | else /* print vtbl's nicely */ |
| 1039 | if (is_vtbl_member(type)) |
| 1040 | { |
| 1041 | CORE_ADDR vt_address = unpack_pointer (type, valaddr); |
| 1042 | |
| 1043 | struct minimal_symbol *msymbol = |
| 1044 | lookup_minimal_symbol_by_pc (vt_address); |
| 1045 | if ((msymbol != NULL) && (vt_address == msymbol -> address)) |
| 1046 | { |
| 1047 | fputs_filtered (" <", stream); |
| 1048 | fputs_demangled (msymbol -> name, stream, |
| 1049 | DMGL_ANSI | DMGL_PARAMS); |
| 1050 | fputs_filtered (">", stream); |
| 1051 | } |
| 1052 | if (vtblprint) |
| 1053 | { |
| 1054 | value vt_val; |
| 1055 | |
| 1056 | vt_val = value_at (TYPE_TARGET_TYPE (type), vt_address); |
| 1057 | val_print (VALUE_TYPE (vt_val), VALUE_CONTENTS (vt_val), |
| 1058 | VALUE_ADDRESS (vt_val), stream, format, |
| 1059 | deref_ref, recurse + 1, pretty); |
| 1060 | if (pretty) |
| 1061 | { |
| 1062 | fprintf_filtered (stream, "\n"); |
| 1063 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 1064 | } |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | /* Return number of characters printed, plus one for the |
| 1069 | terminating null if we have "reached the end". */ |
| 1070 | return i + (print_max && i != print_max); |
| 1071 | } |
| 1072 | break; |
| 1073 | |
| 1074 | case TYPE_CODE_MEMBER: |
| 1075 | error ("not implemented: member type in val_print"); |
| 1076 | break; |
| 1077 | |
| 1078 | case TYPE_CODE_REF: |
| 1079 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) == TYPE_CODE_MEMBER) |
| 1080 | { |
| 1081 | print_class_member (valaddr, |
| 1082 | TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type)), |
| 1083 | stream, ""); |
| 1084 | break; |
| 1085 | } |
| 1086 | if (addressprint) |
| 1087 | { |
| 1088 | fprintf_filtered (stream, "@0x%lx", |
| 1089 | unpack_long (builtin_type_int, valaddr)); |
| 1090 | if (deref_ref) |
| 1091 | fputs_filtered (": ", stream); |
| 1092 | } |
| 1093 | /* De-reference the reference. */ |
| 1094 | if (deref_ref) |
| 1095 | { |
| 1096 | if (TYPE_CODE (TYPE_TARGET_TYPE (type)) != TYPE_CODE_UNDEF) |
| 1097 | { |
| 1098 | value deref_val = |
| 1099 | value_at |
| 1100 | (TYPE_TARGET_TYPE (type), |
| 1101 | unpack_pointer (lookup_pointer_type (builtin_type_void), |
| 1102 | valaddr)); |
| 1103 | val_print (VALUE_TYPE (deref_val), VALUE_CONTENTS (deref_val), |
| 1104 | VALUE_ADDRESS (deref_val), stream, format, |
| 1105 | deref_ref, recurse + 1, pretty); |
| 1106 | } |
| 1107 | else |
| 1108 | fputs_filtered ("???", stream); |
| 1109 | } |
| 1110 | break; |
| 1111 | |
| 1112 | case TYPE_CODE_UNION: |
| 1113 | if (recurse && !unionprint) |
| 1114 | { |
| 1115 | fprintf_filtered (stream, "{...}"); |
| 1116 | break; |
| 1117 | } |
| 1118 | /* Fall through. */ |
| 1119 | case TYPE_CODE_STRUCT: |
| 1120 | if (vtblprint && is_vtbl_ptr_type(type)) |
| 1121 | { |
| 1122 | /* Print the unmangled name if desired. */ |
| 1123 | print_address_demangle(*((int *) (valaddr + /* FIXME bytesex */ |
| 1124 | TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET) / 8)), |
| 1125 | stream, demangle); |
| 1126 | break; |
| 1127 | } |
| 1128 | val_print_fields (type, valaddr, stream, format, recurse, pretty, 0); |
| 1129 | break; |
| 1130 | |
| 1131 | case TYPE_CODE_ENUM: |
| 1132 | if (format) |
| 1133 | { |
| 1134 | print_scalar_formatted (valaddr, type, format, 0, stream); |
| 1135 | break; |
| 1136 | } |
| 1137 | len = TYPE_NFIELDS (type); |
| 1138 | val = unpack_long (builtin_type_int, valaddr); |
| 1139 | for (i = 0; i < len; i++) |
| 1140 | { |
| 1141 | QUIT; |
| 1142 | if (val == TYPE_FIELD_BITPOS (type, i)) |
| 1143 | break; |
| 1144 | } |
| 1145 | if (i < len) |
| 1146 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 1147 | else |
| 1148 | #ifdef LONG_LONG |
| 1149 | fprintf_filtered (stream, "%lld", val); |
| 1150 | #else |
| 1151 | fprintf_filtered (stream, "%ld", val); |
| 1152 | #endif |
| 1153 | break; |
| 1154 | |
| 1155 | case TYPE_CODE_FUNC: |
| 1156 | if (format) |
| 1157 | { |
| 1158 | print_scalar_formatted (valaddr, type, format, 0, stream); |
| 1159 | break; |
| 1160 | } |
| 1161 | /* FIXME, we should consider, at least for ANSI C language, eliminating |
| 1162 | the distinction made between FUNCs and POINTERs to FUNCs. */ |
| 1163 | fprintf_filtered (stream, "{"); |
| 1164 | type_print (type, "", stream, -1); |
| 1165 | fprintf_filtered (stream, "} "); |
| 1166 | /* Try to print what function it points to, and its address. */ |
| 1167 | print_address_demangle (address, stream, demangle); |
| 1168 | break; |
| 1169 | |
| 1170 | case TYPE_CODE_INT: |
| 1171 | if (format || output_format) |
| 1172 | { |
| 1173 | print_scalar_formatted (valaddr, type, |
| 1174 | format? format: output_format, |
| 1175 | 0, stream); |
| 1176 | break; |
| 1177 | } |
| 1178 | if (TYPE_LENGTH (type) > sizeof (LONGEST)) |
| 1179 | { |
| 1180 | if (TYPE_UNSIGNED (type)) |
| 1181 | { |
| 1182 | /* First figure out whether the number in fact has zeros |
| 1183 | in all its bytes more significant than least significant |
| 1184 | sizeof (LONGEST) ones. */ |
| 1185 | char *p; |
| 1186 | /* Pointer to first (i.e. lowest address) nonzero character. */ |
| 1187 | char *first_addr; |
| 1188 | len = TYPE_LENGTH (type); |
| 1189 | |
| 1190 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 1191 | for (p = valaddr; |
| 1192 | len > sizeof (LONGEST) |
| 1193 | && p < valaddr + TYPE_LENGTH (type); |
| 1194 | p++) |
| 1195 | #else /* Little endian. */ |
| 1196 | first_addr = valaddr; |
| 1197 | for (p = valaddr + TYPE_LENGTH (type); |
| 1198 | len > sizeof (LONGEST) && p >= valaddr; |
| 1199 | p--) |
| 1200 | #endif /* Little endian. */ |
| 1201 | { |
| 1202 | if (*p == 0) |
| 1203 | len--; |
| 1204 | else |
| 1205 | break; |
| 1206 | } |
| 1207 | #if TARGET_BYTE_ORDER == BIG_ENDIAN |
| 1208 | first_addr = p; |
| 1209 | #endif |
| 1210 | |
| 1211 | if (len <= sizeof (LONGEST)) |
| 1212 | { |
| 1213 | /* We can print it in decimal. */ |
| 1214 | fprintf_filtered |
| 1215 | (stream, |
| 1216 | #if defined (LONG_LONG) |
| 1217 | "%llu", |
| 1218 | #else |
| 1219 | "%lu", |
| 1220 | #endif |
| 1221 | unpack_long (BUILTIN_TYPE_LONGEST, first_addr)); |
| 1222 | } |
| 1223 | else |
| 1224 | { |
| 1225 | /* It is big, so print it in hex. */ |
| 1226 | print_hex_chars (stream, (unsigned char *)first_addr, len); |
| 1227 | } |
| 1228 | } |
| 1229 | else |
| 1230 | { |
| 1231 | /* Signed. One could assume two's complement (a reasonable |
| 1232 | assumption, I think) and do better than this. */ |
| 1233 | print_hex_chars (stream, (unsigned char *)valaddr, |
| 1234 | TYPE_LENGTH (type)); |
| 1235 | } |
| 1236 | break; |
| 1237 | } |
| 1238 | #ifdef PRINT_TYPELESS_INTEGER |
| 1239 | PRINT_TYPELESS_INTEGER (stream, type, unpack_long (type, valaddr)); |
| 1240 | #else |
| 1241 | #ifndef LONG_LONG |
| 1242 | fprintf_filtered (stream, |
| 1243 | TYPE_UNSIGNED (type) ? "%u" : "%d", |
| 1244 | unpack_long (type, valaddr)); |
| 1245 | #else |
| 1246 | fprintf_filtered (stream, |
| 1247 | TYPE_UNSIGNED (type) ? "%llu" : "%lld", |
| 1248 | unpack_long (type, valaddr)); |
| 1249 | #endif |
| 1250 | #endif |
| 1251 | |
| 1252 | if (TYPE_LENGTH (type) == 1) |
| 1253 | { |
| 1254 | fprintf_filtered (stream, " '"); |
| 1255 | printchar ((unsigned char) unpack_long (type, valaddr), |
| 1256 | stream, '\''); |
| 1257 | fprintf_filtered (stream, "'"); |
| 1258 | } |
| 1259 | break; |
| 1260 | |
| 1261 | case TYPE_CODE_FLT: |
| 1262 | if (format) |
| 1263 | print_scalar_formatted (valaddr, type, format, 0, stream); |
| 1264 | else |
| 1265 | print_floating (valaddr, type, stream); |
| 1266 | break; |
| 1267 | |
| 1268 | case TYPE_CODE_VOID: |
| 1269 | fprintf_filtered (stream, "void"); |
| 1270 | break; |
| 1271 | |
| 1272 | case TYPE_CODE_UNDEF: |
| 1273 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use |
| 1274 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
| 1275 | and no complete type for struct foo in that file. */ |
| 1276 | fprintf_filtered (stream, "<unknown struct>"); |
| 1277 | break; |
| 1278 | |
| 1279 | case TYPE_CODE_ERROR: |
| 1280 | fprintf_filtered (stream, "?"); |
| 1281 | break; |
| 1282 | |
| 1283 | case TYPE_CODE_RANGE: |
| 1284 | /* FIXME, we should not ever have to print one of these yet. */ |
| 1285 | fprintf_filtered (stream, "<range type>"); |
| 1286 | break; |
| 1287 | |
| 1288 | default: |
| 1289 | error ("Invalid type code in symbol table."); |
| 1290 | } |
| 1291 | fflush (stream); |
| 1292 | return 0; |
| 1293 | } |
| 1294 | \f |
| 1295 | /* Print a description of a type in the format of a |
| 1296 | typedef for the current language. |
| 1297 | NEW is the new name for a type TYPE. */ |
| 1298 | void |
| 1299 | typedef_print (type, new, stream) |
| 1300 | struct type *type; |
| 1301 | struct symbol *new; |
| 1302 | FILE *stream; |
| 1303 | { |
| 1304 | switch (current_language->la_language) |
| 1305 | { |
| 1306 | #ifdef _LANG_c |
| 1307 | case language_c: |
| 1308 | case language_cplus: |
| 1309 | fprintf_filtered(stream, "typedef "); |
| 1310 | type_print(type,"",stream,0); |
| 1311 | if(TYPE_NAME ((SYMBOL_TYPE (new))) == 0 |
| 1312 | || 0 != strcmp (TYPE_NAME ((SYMBOL_TYPE (new))), |
| 1313 | SYMBOL_NAME (new))) |
| 1314 | fprintf_filtered(stream, " %s", SYMBOL_NAME(new)); |
| 1315 | break; |
| 1316 | #endif |
| 1317 | #ifdef _LANG_m2 |
| 1318 | case language_m2: |
| 1319 | fprintf_filtered(stream, "TYPE "); |
| 1320 | if(!TYPE_NAME(SYMBOL_TYPE(new)) || |
| 1321 | strcmp (TYPE_NAME(SYMBOL_TYPE(new)), |
| 1322 | SYMBOL_NAME(new))) |
| 1323 | fprintf_filtered(stream, "%s = ", SYMBOL_NAME(new)); |
| 1324 | else |
| 1325 | fprintf_filtered(stream, "<builtin> = "); |
| 1326 | type_print(type,"",stream,0); |
| 1327 | break; |
| 1328 | #endif |
| 1329 | default: |
| 1330 | error("Language not supported."); |
| 1331 | } |
| 1332 | fprintf_filtered(stream, ";\n"); |
| 1333 | } |
| 1334 | |
| 1335 | |
| 1336 | /* Print a description of a type TYPE |
| 1337 | in the form of a declaration of a variable named VARSTRING. |
| 1338 | (VARSTRING is demangled if necessary.) |
| 1339 | Output goes to STREAM (via stdio). |
| 1340 | If SHOW is positive, we show the contents of the outermost level |
| 1341 | of structure even if there is a type name that could be used instead. |
| 1342 | If SHOW is negative, we never show the details of elements' types. */ |
| 1343 | |
| 1344 | void |
| 1345 | type_print (type, varstring, stream, show) |
| 1346 | struct type *type; |
| 1347 | char *varstring; |
| 1348 | FILE *stream; |
| 1349 | int show; |
| 1350 | { |
| 1351 | type_print_1 (type, varstring, stream, show, 0); |
| 1352 | } |
| 1353 | |
| 1354 | /* LEVEL is the depth to indent lines by. */ |
| 1355 | |
| 1356 | void |
| 1357 | type_print_1 (type, varstring, stream, show, level) |
| 1358 | struct type *type; |
| 1359 | char *varstring; |
| 1360 | FILE *stream; |
| 1361 | int show; |
| 1362 | int level; |
| 1363 | { |
| 1364 | register enum type_code code; |
| 1365 | char *demangled = NULL; |
| 1366 | int demangled_args; |
| 1367 | |
| 1368 | type_print_base (type, stream, show, level); |
| 1369 | code = TYPE_CODE (type); |
| 1370 | if ((varstring && *varstring) |
| 1371 | || |
| 1372 | /* Need a space if going to print stars or brackets; |
| 1373 | but not if we will print just a type name. */ |
| 1374 | ((show > 0 || TYPE_NAME (type) == 0) |
| 1375 | && |
| 1376 | (code == TYPE_CODE_PTR || code == TYPE_CODE_FUNC |
| 1377 | || code == TYPE_CODE_METHOD |
| 1378 | || code == TYPE_CODE_ARRAY |
| 1379 | || code == TYPE_CODE_MEMBER |
| 1380 | || code == TYPE_CODE_REF))) |
| 1381 | fprintf_filtered (stream, " "); |
| 1382 | type_print_varspec_prefix (type, stream, show, 0); |
| 1383 | |
| 1384 | /* See if the name has a C++ demangled equivalent, and if so, print that |
| 1385 | instead. */ |
| 1386 | |
| 1387 | if (demangle) |
| 1388 | { |
| 1389 | demangled = cplus_demangle (varstring, DMGL_ANSI | DMGL_PARAMS); |
| 1390 | } |
| 1391 | fputs_filtered ((demangled != NULL) ? demangled : varstring, stream); |
| 1392 | |
| 1393 | /* For demangled function names, we have the arglist as part of the name, |
| 1394 | so don't print an additional pair of ()'s */ |
| 1395 | |
| 1396 | demangled_args = (demangled != NULL) && (code == TYPE_CODE_FUNC); |
| 1397 | type_print_varspec_suffix (type, stream, show, 0, demangled_args); |
| 1398 | |
| 1399 | if (demangled) |
| 1400 | { |
| 1401 | free (demangled); |
| 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | /* Print the method arguments ARGS to the file STREAM. */ |
| 1406 | static void |
| 1407 | type_print_method_args (args, prefix, varstring, staticp, stream) |
| 1408 | struct type **args; |
| 1409 | char *prefix, *varstring; |
| 1410 | int staticp; |
| 1411 | FILE *stream; |
| 1412 | { |
| 1413 | int i; |
| 1414 | |
| 1415 | fputs_demangled (prefix, stream, DMGL_ANSI | DMGL_PARAMS); |
| 1416 | fputs_demangled (varstring, stream, DMGL_ANSI | DMGL_PARAMS); |
| 1417 | fputs_filtered (" (", stream); |
| 1418 | if (args && args[!staticp] && args[!staticp]->code != TYPE_CODE_VOID) |
| 1419 | { |
| 1420 | i = !staticp; /* skip the class variable */ |
| 1421 | while (1) |
| 1422 | { |
| 1423 | type_print (args[i++], "", stream, 0); |
| 1424 | if (!args[i]) |
| 1425 | { |
| 1426 | fprintf_filtered (stream, " ..."); |
| 1427 | break; |
| 1428 | } |
| 1429 | else if (args[i]->code != TYPE_CODE_VOID) |
| 1430 | { |
| 1431 | fprintf_filtered (stream, ", "); |
| 1432 | } |
| 1433 | else break; |
| 1434 | } |
| 1435 | } |
| 1436 | fprintf_filtered (stream, ")"); |
| 1437 | } |
| 1438 | |
| 1439 | /* If TYPE is a derived type, then print out derivation information. |
| 1440 | Print only the actual base classes of this type, not the base classes |
| 1441 | of the base classes. I.E. for the derivation hierarchy: |
| 1442 | |
| 1443 | class A { int a; }; |
| 1444 | class B : public A {int b; }; |
| 1445 | class C : public B {int c; }; |
| 1446 | |
| 1447 | Print the type of class C as: |
| 1448 | |
| 1449 | class C : public B { |
| 1450 | int c; |
| 1451 | } |
| 1452 | |
| 1453 | Not as the following (like gdb used to), which is not legal C++ syntax for |
| 1454 | derived types and may be confused with the multiple inheritance form: |
| 1455 | |
| 1456 | class C : public B : public A { |
| 1457 | int c; |
| 1458 | } |
| 1459 | |
| 1460 | In general, gdb should try to print the types as closely as possible to |
| 1461 | the form that they appear in the source code. */ |
| 1462 | |
| 1463 | static void |
| 1464 | type_print_derivation_info (stream, type) |
| 1465 | FILE *stream; |
| 1466 | struct type *type; |
| 1467 | { |
| 1468 | char *name; |
| 1469 | int i; |
| 1470 | |
| 1471 | for (i = 0; i < TYPE_N_BASECLASSES (type); i++) |
| 1472 | { |
| 1473 | fputs_filtered (i == 0 ? ": " : ", ", stream); |
| 1474 | fprintf_filtered (stream, "%s%s ", |
| 1475 | BASETYPE_VIA_PUBLIC (type, i) ? "public" : "private", |
| 1476 | BASETYPE_VIA_VIRTUAL(type, i) ? " virtual" : ""); |
| 1477 | name = type_name_no_tag (TYPE_BASECLASS (type, i)); |
| 1478 | fprintf_filtered (stream, "%s", name ? name : "(null)"); |
| 1479 | } |
| 1480 | if (i > 0) |
| 1481 | { |
| 1482 | fputs_filtered (" ", stream); |
| 1483 | } |
| 1484 | } |
| 1485 | |
| 1486 | /* Print any asterisks or open-parentheses needed before the |
| 1487 | variable name (to describe its type). |
| 1488 | |
| 1489 | On outermost call, pass 0 for PASSED_A_PTR. |
| 1490 | On outermost call, SHOW > 0 means should ignore |
| 1491 | any typename for TYPE and show its details. |
| 1492 | SHOW is always zero on recursive calls. */ |
| 1493 | |
| 1494 | static void |
| 1495 | type_print_varspec_prefix (type, stream, show, passed_a_ptr) |
| 1496 | struct type *type; |
| 1497 | FILE *stream; |
| 1498 | int show; |
| 1499 | int passed_a_ptr; |
| 1500 | { |
| 1501 | char *name; |
| 1502 | if (type == 0) |
| 1503 | return; |
| 1504 | |
| 1505 | if (TYPE_NAME (type) && show <= 0) |
| 1506 | return; |
| 1507 | |
| 1508 | QUIT; |
| 1509 | |
| 1510 | switch (TYPE_CODE (type)) |
| 1511 | { |
| 1512 | case TYPE_CODE_PTR: |
| 1513 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 1514 | fprintf_filtered (stream, "*"); |
| 1515 | break; |
| 1516 | |
| 1517 | case TYPE_CODE_MEMBER: |
| 1518 | if (passed_a_ptr) |
| 1519 | fprintf_filtered (stream, "("); |
| 1520 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1521 | 0); |
| 1522 | fprintf_filtered (stream, " "); |
| 1523 | name = type_name_no_tag (TYPE_DOMAIN_TYPE (type)); |
| 1524 | if (name) |
| 1525 | fputs_filtered (name, stream); |
| 1526 | else |
| 1527 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, passed_a_ptr); |
| 1528 | fprintf_filtered (stream, "::"); |
| 1529 | break; |
| 1530 | |
| 1531 | case TYPE_CODE_METHOD: |
| 1532 | if (passed_a_ptr) |
| 1533 | fprintf (stream, "("); |
| 1534 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1535 | 0); |
| 1536 | if (passed_a_ptr) |
| 1537 | { |
| 1538 | fprintf_filtered (stream, " "); |
| 1539 | type_print_base (TYPE_DOMAIN_TYPE (type), stream, 0, |
| 1540 | passed_a_ptr); |
| 1541 | fprintf_filtered (stream, "::"); |
| 1542 | } |
| 1543 | break; |
| 1544 | |
| 1545 | case TYPE_CODE_REF: |
| 1546 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, 1); |
| 1547 | fprintf_filtered (stream, "&"); |
| 1548 | break; |
| 1549 | |
| 1550 | case TYPE_CODE_FUNC: |
| 1551 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1552 | 0); |
| 1553 | if (passed_a_ptr) |
| 1554 | fprintf_filtered (stream, "("); |
| 1555 | break; |
| 1556 | |
| 1557 | case TYPE_CODE_ARRAY: |
| 1558 | type_print_varspec_prefix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1559 | 0); |
| 1560 | if (passed_a_ptr) |
| 1561 | fprintf_filtered (stream, "("); |
| 1562 | break; |
| 1563 | |
| 1564 | case TYPE_CODE_UNDEF: |
| 1565 | case TYPE_CODE_STRUCT: |
| 1566 | case TYPE_CODE_UNION: |
| 1567 | case TYPE_CODE_ENUM: |
| 1568 | case TYPE_CODE_INT: |
| 1569 | case TYPE_CODE_FLT: |
| 1570 | case TYPE_CODE_VOID: |
| 1571 | case TYPE_CODE_ERROR: |
| 1572 | case TYPE_CODE_CHAR: |
| 1573 | case TYPE_CODE_BOOL: |
| 1574 | case TYPE_CODE_SET: |
| 1575 | case TYPE_CODE_RANGE: |
| 1576 | case TYPE_CODE_PASCAL_ARRAY: |
| 1577 | /* These types need no prefix. They are listed here so that |
| 1578 | gcc -Wall will reveal any types that haven't been handled. */ |
| 1579 | break; |
| 1580 | } |
| 1581 | } |
| 1582 | |
| 1583 | static void |
| 1584 | type_print_args (type, stream) |
| 1585 | struct type *type; |
| 1586 | FILE *stream; |
| 1587 | { |
| 1588 | int i; |
| 1589 | struct type **args; |
| 1590 | |
| 1591 | fprintf_filtered (stream, "("); |
| 1592 | args = TYPE_ARG_TYPES (type); |
| 1593 | if (args != NULL) |
| 1594 | { |
| 1595 | if (args[1] == NULL) |
| 1596 | { |
| 1597 | fprintf_filtered (stream, "..."); |
| 1598 | } |
| 1599 | else |
| 1600 | { |
| 1601 | for (i = 1; |
| 1602 | args[i] != NULL && args[i]->code != TYPE_CODE_VOID; |
| 1603 | i++) |
| 1604 | { |
| 1605 | type_print_1 (args[i], "", stream, -1, 0); |
| 1606 | if (args[i+1] == NULL) |
| 1607 | { |
| 1608 | fprintf_filtered (stream, "..."); |
| 1609 | } |
| 1610 | else if (args[i+1]->code != TYPE_CODE_VOID) |
| 1611 | { |
| 1612 | fprintf_filtered (stream, ","); |
| 1613 | wrap_here (" "); |
| 1614 | } |
| 1615 | } |
| 1616 | } |
| 1617 | } |
| 1618 | fprintf_filtered (stream, ")"); |
| 1619 | } |
| 1620 | |
| 1621 | /* Print any array sizes, function arguments or close parentheses |
| 1622 | needed after the variable name (to describe its type). |
| 1623 | Args work like type_print_varspec_prefix. */ |
| 1624 | |
| 1625 | static void |
| 1626 | type_print_varspec_suffix (type, stream, show, passed_a_ptr, demangled_args) |
| 1627 | struct type *type; |
| 1628 | FILE *stream; |
| 1629 | int show; |
| 1630 | int passed_a_ptr; |
| 1631 | int demangled_args; |
| 1632 | { |
| 1633 | if (type == 0) |
| 1634 | return; |
| 1635 | |
| 1636 | if (TYPE_NAME (type) && show <= 0) |
| 1637 | return; |
| 1638 | |
| 1639 | QUIT; |
| 1640 | |
| 1641 | switch (TYPE_CODE (type)) |
| 1642 | { |
| 1643 | case TYPE_CODE_ARRAY: |
| 1644 | if (passed_a_ptr) |
| 1645 | fprintf_filtered (stream, ")"); |
| 1646 | |
| 1647 | fprintf_filtered (stream, "["); |
| 1648 | if (TYPE_LENGTH (type) > 0 |
| 1649 | && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0) |
| 1650 | fprintf_filtered (stream, "%d", |
| 1651 | (TYPE_LENGTH (type) |
| 1652 | / TYPE_LENGTH (TYPE_TARGET_TYPE (type)))); |
| 1653 | fprintf_filtered (stream, "]"); |
| 1654 | |
| 1655 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1656 | 0, 0); |
| 1657 | break; |
| 1658 | |
| 1659 | case TYPE_CODE_MEMBER: |
| 1660 | if (passed_a_ptr) |
| 1661 | fprintf_filtered (stream, ")"); |
| 1662 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 1663 | break; |
| 1664 | |
| 1665 | case TYPE_CODE_METHOD: |
| 1666 | if (passed_a_ptr) |
| 1667 | fprintf_filtered (stream, ")"); |
| 1668 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 0, 0); |
| 1669 | if (passed_a_ptr) |
| 1670 | { |
| 1671 | type_print_args (type, stream); |
| 1672 | } |
| 1673 | break; |
| 1674 | |
| 1675 | case TYPE_CODE_PTR: |
| 1676 | case TYPE_CODE_REF: |
| 1677 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, 1, 0); |
| 1678 | break; |
| 1679 | |
| 1680 | case TYPE_CODE_FUNC: |
| 1681 | type_print_varspec_suffix (TYPE_TARGET_TYPE (type), stream, 0, |
| 1682 | passed_a_ptr, 0); |
| 1683 | if (passed_a_ptr) |
| 1684 | fprintf_filtered (stream, ")"); |
| 1685 | if (!demangled_args) |
| 1686 | fprintf_filtered (stream, "()"); |
| 1687 | break; |
| 1688 | |
| 1689 | case TYPE_CODE_UNDEF: |
| 1690 | case TYPE_CODE_STRUCT: |
| 1691 | case TYPE_CODE_UNION: |
| 1692 | case TYPE_CODE_ENUM: |
| 1693 | case TYPE_CODE_INT: |
| 1694 | case TYPE_CODE_FLT: |
| 1695 | case TYPE_CODE_VOID: |
| 1696 | case TYPE_CODE_ERROR: |
| 1697 | case TYPE_CODE_CHAR: |
| 1698 | case TYPE_CODE_BOOL: |
| 1699 | case TYPE_CODE_SET: |
| 1700 | case TYPE_CODE_RANGE: |
| 1701 | case TYPE_CODE_PASCAL_ARRAY: |
| 1702 | /* These types do not need a suffix. They are listed so that |
| 1703 | gcc -Wall will report types that may not have been considered. */ |
| 1704 | break; |
| 1705 | } |
| 1706 | } |
| 1707 | |
| 1708 | /* Print the name of the type (or the ultimate pointer target, |
| 1709 | function value or array element), or the description of a |
| 1710 | structure or union. |
| 1711 | |
| 1712 | SHOW nonzero means don't print this type as just its name; |
| 1713 | show its real definition even if it has a name. |
| 1714 | SHOW zero means print just typename or struct tag if there is one |
| 1715 | SHOW negative means abbreviate structure elements. |
| 1716 | SHOW is decremented for printing of structure elements. |
| 1717 | |
| 1718 | LEVEL is the depth to indent by. |
| 1719 | We increase it for some recursive calls. */ |
| 1720 | |
| 1721 | static void |
| 1722 | type_print_base (type, stream, show, level) |
| 1723 | struct type *type; |
| 1724 | FILE *stream; |
| 1725 | int show; |
| 1726 | int level; |
| 1727 | { |
| 1728 | char *name; |
| 1729 | register int i; |
| 1730 | register int len; |
| 1731 | register int lastval; |
| 1732 | char *mangled_name; |
| 1733 | char *demangled_name; |
| 1734 | enum {s_none, s_public, s_private, s_protected} section_type; |
| 1735 | QUIT; |
| 1736 | |
| 1737 | wrap_here (" "); |
| 1738 | if (type == NULL) |
| 1739 | { |
| 1740 | fputs_filtered ("<type unknown>", stream); |
| 1741 | return; |
| 1742 | } |
| 1743 | |
| 1744 | /* When SHOW is zero or less, and there is a valid type name, then always |
| 1745 | just print the type name directly from the type. */ |
| 1746 | |
| 1747 | if ((show <= 0) && (TYPE_NAME (type) != NULL)) |
| 1748 | { |
| 1749 | fputs_filtered (TYPE_NAME (type), stream); |
| 1750 | return; |
| 1751 | } |
| 1752 | |
| 1753 | switch (TYPE_CODE (type)) |
| 1754 | { |
| 1755 | case TYPE_CODE_ARRAY: |
| 1756 | case TYPE_CODE_PTR: |
| 1757 | case TYPE_CODE_MEMBER: |
| 1758 | case TYPE_CODE_REF: |
| 1759 | case TYPE_CODE_FUNC: |
| 1760 | case TYPE_CODE_METHOD: |
| 1761 | type_print_base (TYPE_TARGET_TYPE (type), stream, show, level); |
| 1762 | break; |
| 1763 | |
| 1764 | case TYPE_CODE_STRUCT: |
| 1765 | fprintf_filtered (stream, |
| 1766 | HAVE_CPLUS_STRUCT (type) ? "class " : "struct "); |
| 1767 | goto struct_union; |
| 1768 | |
| 1769 | case TYPE_CODE_UNION: |
| 1770 | fprintf_filtered (stream, "union "); |
| 1771 | struct_union: |
| 1772 | if (name = type_name_no_tag (type)) |
| 1773 | { |
| 1774 | fputs_filtered (name, stream); |
| 1775 | fputs_filtered (" ", stream); |
| 1776 | wrap_here (" "); |
| 1777 | } |
| 1778 | if (show < 0) |
| 1779 | fprintf_filtered (stream, "{...}"); |
| 1780 | else |
| 1781 | { |
| 1782 | check_stub_type (type); |
| 1783 | |
| 1784 | type_print_derivation_info (stream, type); |
| 1785 | |
| 1786 | fprintf_filtered (stream, "{\n"); |
| 1787 | if ((TYPE_NFIELDS (type) == 0) && (TYPE_NFN_FIELDS (type) == 0)) |
| 1788 | { |
| 1789 | if (TYPE_FLAGS (type) & TYPE_FLAG_STUB) |
| 1790 | fprintfi_filtered (level + 4, stream, "<incomplete type>\n"); |
| 1791 | else |
| 1792 | fprintfi_filtered (level + 4, stream, "<no data fields>\n"); |
| 1793 | } |
| 1794 | |
| 1795 | /* Start off with no specific section type, so we can print |
| 1796 | one for the first field we find, and use that section type |
| 1797 | thereafter until we find another type. */ |
| 1798 | |
| 1799 | section_type = s_none; |
| 1800 | |
| 1801 | /* If there is a base class for this type, |
| 1802 | do not print the field that it occupies. */ |
| 1803 | |
| 1804 | len = TYPE_NFIELDS (type); |
| 1805 | for (i = TYPE_N_BASECLASSES (type); i < len; i++) |
| 1806 | { |
| 1807 | QUIT; |
| 1808 | /* Don't print out virtual function table. */ |
| 1809 | if ((TYPE_FIELD_NAME (type, i))[5] == CPLUS_MARKER && |
| 1810 | !strncmp (TYPE_FIELD_NAME (type, i), "_vptr", 5)) |
| 1811 | continue; |
| 1812 | |
| 1813 | /* If this is a C++ class we can print the various C++ section |
| 1814 | labels. */ |
| 1815 | |
| 1816 | if (HAVE_CPLUS_STRUCT (type)) |
| 1817 | { |
| 1818 | if (TYPE_FIELD_PROTECTED (type, i)) |
| 1819 | { |
| 1820 | if (section_type != s_protected) |
| 1821 | { |
| 1822 | section_type = s_protected; |
| 1823 | fprintfi_filtered (level + 2, stream, |
| 1824 | "protected:\n"); |
| 1825 | } |
| 1826 | } |
| 1827 | else if (TYPE_FIELD_PRIVATE (type, i)) |
| 1828 | { |
| 1829 | if (section_type != s_private) |
| 1830 | { |
| 1831 | section_type = s_private; |
| 1832 | fprintfi_filtered (level + 2, stream, "private:\n"); |
| 1833 | } |
| 1834 | } |
| 1835 | else |
| 1836 | { |
| 1837 | if (section_type != s_public) |
| 1838 | { |
| 1839 | section_type = s_public; |
| 1840 | fprintfi_filtered (level + 2, stream, "public:\n"); |
| 1841 | } |
| 1842 | } |
| 1843 | } |
| 1844 | |
| 1845 | print_spaces_filtered (level + 4, stream); |
| 1846 | if (TYPE_FIELD_STATIC (type, i)) |
| 1847 | { |
| 1848 | fprintf_filtered (stream, "static "); |
| 1849 | } |
| 1850 | if (TYPE_FIELD_NESTED (type, i)) |
| 1851 | { |
| 1852 | fprintf_filtered (stream, "typedef "); |
| 1853 | } |
| 1854 | type_print_1 (TYPE_FIELD_TYPE (type, i), |
| 1855 | TYPE_FIELD_NAME (type, i), |
| 1856 | stream, show - 1, level + 4); |
| 1857 | if (!TYPE_FIELD_STATIC (type, i) && !TYPE_FIELD_NESTED (type, i) |
| 1858 | && TYPE_FIELD_PACKED (type, i)) |
| 1859 | { |
| 1860 | /* It is a bitfield. This code does not attempt |
| 1861 | to look at the bitpos and reconstruct filler, |
| 1862 | unnamed fields. This would lead to misleading |
| 1863 | results if the compiler does not put out fields |
| 1864 | for such things (I don't know what it does). */ |
| 1865 | fprintf_filtered (stream, " : %d", |
| 1866 | TYPE_FIELD_BITSIZE (type, i)); |
| 1867 | } |
| 1868 | fprintf_filtered (stream, ";\n"); |
| 1869 | } |
| 1870 | |
| 1871 | /* If there are both fields and methods, put a space between. */ |
| 1872 | len = TYPE_NFN_FIELDS (type); |
| 1873 | if (len && section_type != s_none) |
| 1874 | fprintf_filtered (stream, "\n"); |
| 1875 | |
| 1876 | /* C++: print out the methods */ |
| 1877 | |
| 1878 | for (i = 0; i < len; i++) |
| 1879 | { |
| 1880 | struct fn_field *f = TYPE_FN_FIELDLIST1 (type, i); |
| 1881 | int j, len2 = TYPE_FN_FIELDLIST_LENGTH (type, i); |
| 1882 | char *method_name = TYPE_FN_FIELDLIST_NAME (type, i); |
| 1883 | int is_constructor = name && strcmp(method_name, name) == 0; |
| 1884 | for (j = 0; j < len2; j++) |
| 1885 | { |
| 1886 | QUIT; |
| 1887 | if (TYPE_FN_FIELD_PROTECTED (f, j)) |
| 1888 | { |
| 1889 | if (section_type != s_protected) |
| 1890 | { |
| 1891 | section_type = s_protected; |
| 1892 | fprintfi_filtered (level + 2, stream, |
| 1893 | "protected:\n"); |
| 1894 | } |
| 1895 | } |
| 1896 | else if (TYPE_FN_FIELD_PRIVATE (f, j)) |
| 1897 | { |
| 1898 | if (section_type != s_private) |
| 1899 | { |
| 1900 | section_type = s_private; |
| 1901 | fprintfi_filtered (level + 2, stream, "private:\n"); |
| 1902 | } |
| 1903 | } |
| 1904 | else |
| 1905 | { |
| 1906 | if (section_type != s_public) |
| 1907 | { |
| 1908 | section_type = s_public; |
| 1909 | fprintfi_filtered (level + 2, stream, "public:\n"); |
| 1910 | } |
| 1911 | } |
| 1912 | |
| 1913 | print_spaces_filtered (level + 4, stream); |
| 1914 | if (TYPE_FN_FIELD_VIRTUAL_P (f, j)) |
| 1915 | fprintf_filtered (stream, "virtual "); |
| 1916 | else if (TYPE_FN_FIELD_STATIC_P (f, j)) |
| 1917 | fprintf_filtered (stream, "static "); |
| 1918 | if (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)) == 0) |
| 1919 | { |
| 1920 | /* Keep GDB from crashing here. */ |
| 1921 | fprintf (stream, "<undefined type> %s;\n", |
| 1922 | TYPE_FN_FIELD_PHYSNAME (f, j)); |
| 1923 | break; |
| 1924 | } |
| 1925 | else if (!is_constructor) |
| 1926 | { |
| 1927 | type_print (TYPE_TARGET_TYPE (TYPE_FN_FIELD_TYPE (f, j)), |
| 1928 | "", stream, 0); |
| 1929 | fputs_filtered (" ", stream); |
| 1930 | } |
| 1931 | if (TYPE_FN_FIELD_STUB (f, j)) |
| 1932 | { |
| 1933 | /* Build something we can demangle. */ |
| 1934 | mangled_name = gdb_mangle_name (type, i, j); |
| 1935 | demangled_name = |
| 1936 | cplus_demangle (mangled_name, |
| 1937 | DMGL_ANSI | DMGL_PARAMS); |
| 1938 | if (demangled_name == NULL) |
| 1939 | fprintf_filtered (stream, "<badly mangled name %s>", |
| 1940 | mangled_name); |
| 1941 | else |
| 1942 | { |
| 1943 | fprintf_filtered (stream, "%s", |
| 1944 | strchr (demangled_name, ':') + 2); |
| 1945 | free (demangled_name); |
| 1946 | } |
| 1947 | free (mangled_name); |
| 1948 | } |
| 1949 | else if (TYPE_FN_FIELD_PHYSNAME (f, j)[0] == '_' |
| 1950 | && TYPE_FN_FIELD_PHYSNAME (f, j)[1] == CPLUS_MARKER) |
| 1951 | type_print_method_args |
| 1952 | (TYPE_FN_FIELD_ARGS (f, j) + 1, "~", |
| 1953 | method_name, 0, stream); |
| 1954 | else |
| 1955 | type_print_method_args |
| 1956 | (TYPE_FN_FIELD_ARGS (f, j), "", |
| 1957 | method_name, |
| 1958 | TYPE_FN_FIELD_STATIC_P (f, j), stream); |
| 1959 | |
| 1960 | fprintf_filtered (stream, ";\n"); |
| 1961 | } |
| 1962 | } |
| 1963 | |
| 1964 | fprintfi_filtered (level, stream, "}"); |
| 1965 | } |
| 1966 | break; |
| 1967 | |
| 1968 | case TYPE_CODE_ENUM: |
| 1969 | fprintf_filtered (stream, "enum "); |
| 1970 | if (name = type_name_no_tag (type)) |
| 1971 | { |
| 1972 | fputs_filtered (name, stream); |
| 1973 | fputs_filtered (" ", stream); |
| 1974 | } |
| 1975 | wrap_here (" "); |
| 1976 | if (show < 0) |
| 1977 | fprintf_filtered (stream, "{...}"); |
| 1978 | else |
| 1979 | { |
| 1980 | fprintf_filtered (stream, "{"); |
| 1981 | len = TYPE_NFIELDS (type); |
| 1982 | lastval = 0; |
| 1983 | for (i = 0; i < len; i++) |
| 1984 | { |
| 1985 | QUIT; |
| 1986 | if (i) fprintf_filtered (stream, ", "); |
| 1987 | wrap_here (" "); |
| 1988 | fputs_filtered (TYPE_FIELD_NAME (type, i), stream); |
| 1989 | if (lastval != TYPE_FIELD_BITPOS (type, i)) |
| 1990 | { |
| 1991 | fprintf_filtered (stream, " = %d", TYPE_FIELD_BITPOS (type, i)); |
| 1992 | lastval = TYPE_FIELD_BITPOS (type, i); |
| 1993 | } |
| 1994 | lastval++; |
| 1995 | } |
| 1996 | fprintf_filtered (stream, "}"); |
| 1997 | } |
| 1998 | break; |
| 1999 | |
| 2000 | case TYPE_CODE_VOID: |
| 2001 | fprintf_filtered (stream, "void"); |
| 2002 | break; |
| 2003 | |
| 2004 | case TYPE_CODE_UNDEF: |
| 2005 | fprintf_filtered (stream, "struct <unknown>"); |
| 2006 | break; |
| 2007 | |
| 2008 | case TYPE_CODE_ERROR: |
| 2009 | fprintf_filtered (stream, "<unknown type>"); |
| 2010 | break; |
| 2011 | |
| 2012 | case TYPE_CODE_RANGE: |
| 2013 | /* This should not occur */ |
| 2014 | fprintf_filtered (stream, "<range type>"); |
| 2015 | break; |
| 2016 | |
| 2017 | default: |
| 2018 | /* Handle types not explicitly handled by the other cases, |
| 2019 | such as fundamental types. For these, just print whatever |
| 2020 | the type name is, as recorded in the type itself. If there |
| 2021 | is no type name, then complain. */ |
| 2022 | if (TYPE_NAME (type) != NULL) |
| 2023 | { |
| 2024 | fputs_filtered (TYPE_NAME (type), stream); |
| 2025 | } |
| 2026 | else |
| 2027 | { |
| 2028 | error ("Invalid type code (%d) in symbol table.", TYPE_CODE (type)); |
| 2029 | } |
| 2030 | break; |
| 2031 | } |
| 2032 | } |
| 2033 | \f |
| 2034 | #if 0 |
| 2035 | /* Validate an input or output radix setting, and make sure the user |
| 2036 | knows what they really did here. Radix setting is confusing, e.g. |
| 2037 | setting the input radix to "10" never changes it! */ |
| 2038 | |
| 2039 | /* ARGSUSED */ |
| 2040 | static void |
| 2041 | set_input_radix (args, from_tty, c) |
| 2042 | char *args; |
| 2043 | int from_tty; |
| 2044 | struct cmd_list_element *c; |
| 2045 | { |
| 2046 | unsigned radix = *(unsigned *)c->var; |
| 2047 | |
| 2048 | if (from_tty) |
| 2049 | printf_filtered ("Input radix set to decimal %d, hex %x, octal %o\n", |
| 2050 | radix, radix, radix); |
| 2051 | } |
| 2052 | #endif |
| 2053 | |
| 2054 | /* ARGSUSED */ |
| 2055 | static void |
| 2056 | set_output_radix (args, from_tty, c) |
| 2057 | char *args; |
| 2058 | int from_tty; |
| 2059 | struct cmd_list_element *c; |
| 2060 | { |
| 2061 | unsigned radix = *(unsigned *)c->var; |
| 2062 | |
| 2063 | if (from_tty) |
| 2064 | printf_filtered ("Output radix set to decimal %d, hex %x, octal %o\n", |
| 2065 | radix, radix, radix); |
| 2066 | |
| 2067 | /* FIXME, we really should be able to validate the setting BEFORE |
| 2068 | it takes effect. */ |
| 2069 | switch (radix) |
| 2070 | { |
| 2071 | case 16: |
| 2072 | output_format = 'x'; |
| 2073 | break; |
| 2074 | case 10: |
| 2075 | output_format = 0; |
| 2076 | break; |
| 2077 | case 8: |
| 2078 | output_format = 'o'; /* octal */ |
| 2079 | break; |
| 2080 | default: |
| 2081 | output_format = 0; |
| 2082 | error ("Unsupported radix ``decimal %d''; using decimal output", |
| 2083 | radix); |
| 2084 | } |
| 2085 | } |
| 2086 | |
| 2087 | /* Both at once */ |
| 2088 | static void |
| 2089 | set_radix (arg, from_tty, c) |
| 2090 | char *arg; |
| 2091 | int from_tty; |
| 2092 | struct cmd_list_element *c; |
| 2093 | { |
| 2094 | unsigned radix = *(unsigned *)c->var; |
| 2095 | |
| 2096 | if (from_tty) |
| 2097 | printf_filtered ("Radix set to decimal %d, hex %x, octal %o\n", |
| 2098 | radix, radix, radix); |
| 2099 | |
| 2100 | input_radix = radix; |
| 2101 | output_radix = radix; |
| 2102 | |
| 2103 | set_output_radix (arg, 0, c); |
| 2104 | } |
| 2105 | \f |
| 2106 | /*ARGSUSED*/ |
| 2107 | static void |
| 2108 | set_print (arg, from_tty) |
| 2109 | char *arg; |
| 2110 | int from_tty; |
| 2111 | { |
| 2112 | printf ( |
| 2113 | "\"set print\" must be followed by the name of a print subcommand.\n"); |
| 2114 | help_list (setprintlist, "set print ", -1, stdout); |
| 2115 | } |
| 2116 | |
| 2117 | /*ARGSUSED*/ |
| 2118 | static void |
| 2119 | show_print (args, from_tty) |
| 2120 | char *args; |
| 2121 | int from_tty; |
| 2122 | { |
| 2123 | cmd_show_list (showprintlist, from_tty, ""); |
| 2124 | } |
| 2125 | \f |
| 2126 | void |
| 2127 | _initialize_valprint () |
| 2128 | { |
| 2129 | struct cmd_list_element *c; |
| 2130 | |
| 2131 | add_prefix_cmd ("print", no_class, set_print, |
| 2132 | "Generic command for setting how things print.", |
| 2133 | &setprintlist, "set print ", 0, &setlist); |
| 2134 | add_alias_cmd ("p", "print", no_class, 1, &setlist); |
| 2135 | add_alias_cmd ("pr", "print", no_class, 1, &setlist); /* prefer set print |
| 2136 | to set prompt */ |
| 2137 | add_prefix_cmd ("print", no_class, show_print, |
| 2138 | "Generic command for showing print settings.", |
| 2139 | &showprintlist, "show print ", 0, &showlist); |
| 2140 | add_alias_cmd ("p", "print", no_class, 1, &showlist); |
| 2141 | add_alias_cmd ("pr", "print", no_class, 1, &showlist); |
| 2142 | |
| 2143 | add_show_from_set |
| 2144 | (add_set_cmd ("elements", no_class, var_uinteger, (char *)&print_max, |
| 2145 | "Set limit on string chars or array elements to print.\n\ |
| 2146 | \"set print elements 0\" causes there to be no limit.", |
| 2147 | &setprintlist), |
| 2148 | &showprintlist); |
| 2149 | |
| 2150 | add_show_from_set |
| 2151 | (add_set_cmd ("pretty", class_support, var_boolean, (char *)&prettyprint, |
| 2152 | "Set prettyprinting of structures.", |
| 2153 | &setprintlist), |
| 2154 | &showprintlist); |
| 2155 | |
| 2156 | add_show_from_set |
| 2157 | (add_set_cmd ("union", class_support, var_boolean, (char *)&unionprint, |
| 2158 | "Set printing of unions interior to structures.", |
| 2159 | &setprintlist), |
| 2160 | &showprintlist); |
| 2161 | |
| 2162 | add_show_from_set |
| 2163 | (add_set_cmd ("vtbl", class_support, var_boolean, (char *)&vtblprint, |
| 2164 | "Set printing of C++ virtual function tables.", |
| 2165 | &setprintlist), |
| 2166 | &showprintlist); |
| 2167 | |
| 2168 | add_show_from_set |
| 2169 | (add_set_cmd ("array", class_support, var_boolean, (char *)&arrayprint, |
| 2170 | "Set prettyprinting of arrays.", |
| 2171 | &setprintlist), |
| 2172 | &showprintlist); |
| 2173 | |
| 2174 | add_show_from_set |
| 2175 | (add_set_cmd ("object", class_support, var_boolean, (char *)&objectprint, |
| 2176 | "Set printing of object's derived type based on vtable info.", |
| 2177 | &setprintlist), |
| 2178 | &showprintlist); |
| 2179 | |
| 2180 | add_show_from_set |
| 2181 | (add_set_cmd ("address", class_support, var_boolean, (char *)&addressprint, |
| 2182 | "Set printing of addresses.", |
| 2183 | &setprintlist), |
| 2184 | &showprintlist); |
| 2185 | |
| 2186 | #if 0 |
| 2187 | /* The "show radix" cmd isn't good enough to show two separate values. |
| 2188 | The rest of the code works, but the show part is confusing, so don't |
| 2189 | let them be set separately 'til we work out "show". */ |
| 2190 | c = add_set_cmd ("input-radix", class_support, var_uinteger, |
| 2191 | (char *)&input_radix, |
| 2192 | "Set default input radix for entering numbers.", |
| 2193 | &setlist); |
| 2194 | add_show_from_set (c, &showlist); |
| 2195 | c->function = set_input_radix; |
| 2196 | |
| 2197 | c = add_set_cmd ("output-radix", class_support, var_uinteger, |
| 2198 | (char *)&output_radix, |
| 2199 | "Set default output radix for printing of values.", |
| 2200 | &setlist); |
| 2201 | add_show_from_set (c, &showlist); |
| 2202 | c->function = set_output_radix; |
| 2203 | #endif |
| 2204 | |
| 2205 | c = add_set_cmd ("radix", class_support, var_uinteger, |
| 2206 | (char *)&output_radix, |
| 2207 | "Set default input and output number radix.", |
| 2208 | &setlist); |
| 2209 | add_show_from_set (c, &showlist); |
| 2210 | c->function.sfunc = set_radix; |
| 2211 | |
| 2212 | /* Give people the defaults which they are used to. */ |
| 2213 | prettyprint = 0; |
| 2214 | unionprint = 1; |
| 2215 | vtblprint = 0; |
| 2216 | arrayprint = 0; |
| 2217 | addressprint = 1; |
| 2218 | objectprint = 0; |
| 2219 | |
| 2220 | print_max = 200; |
| 2221 | |
| 2222 | obstack_begin (&dont_print_obstack, 32 * sizeof (struct type *)); |
| 2223 | } |