| File: | src/gnu/usr.bin/binutils/gdb/p-valprint.c |
| Warning: | line 107, column 8 Value stored to 'i' is never read |
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| 1 | /* Support for printing Pascal values for GDB, the GNU debugger. |
| 2 | Copyright 2000, 2001, 2003 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | /* This file is derived from c-valprint.c */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "gdb_obstack.h" |
| 25 | #include "symtab.h" |
| 26 | #include "gdbtypes.h" |
| 27 | #include "expression.h" |
| 28 | #include "value.h" |
| 29 | #include "command.h" |
| 30 | #include "gdbcmd.h" |
| 31 | #include "gdbcore.h" |
| 32 | #include "demangle.h" |
| 33 | #include "valprint.h" |
| 34 | #include "typeprint.h" |
| 35 | #include "language.h" |
| 36 | #include "target.h" |
| 37 | #include "annotate.h" |
| 38 | #include "p-lang.h" |
| 39 | #include "cp-abi.h" |
| 40 | |
| 41 | |
| 42 | |
| 43 | |
| 44 | /* Print data of type TYPE located at VALADDR (within GDB), which came from |
| 45 | the inferior at address ADDRESS, onto stdio stream STREAM according to |
| 46 | FORMAT (a letter or 0 for natural format). The data at VALADDR is in |
| 47 | target byte order. |
| 48 | |
| 49 | If the data are a string pointer, returns the number of string characters |
| 50 | printed. |
| 51 | |
| 52 | If DEREF_REF is nonzero, then dereference references, otherwise just print |
| 53 | them like pointers. |
| 54 | |
| 55 | The PRETTY parameter controls prettyprinting. */ |
| 56 | |
| 57 | |
| 58 | int |
| 59 | pascal_val_print (struct type *type, char *valaddr, int embedded_offset, |
| 60 | CORE_ADDR address, struct ui_file *stream, int format, |
| 61 | int deref_ref, int recurse, enum val_prettyprint pretty) |
| 62 | { |
| 63 | unsigned int i = 0; /* Number of characters printed */ |
| 64 | unsigned len; |
| 65 | struct type *elttype; |
| 66 | unsigned eltlen; |
| 67 | int length_pos, length_size, string_pos; |
| 68 | int char_size; |
| 69 | LONGESTlong val; |
| 70 | CORE_ADDR addr; |
| 71 | |
| 72 | CHECK_TYPEDEF (type)(type) = check_typedef (type); |
| 73 | switch (TYPE_CODE (type)(type)->main_type->code) |
| 74 | { |
| 75 | case TYPE_CODE_ARRAY: |
| 76 | if (TYPE_LENGTH (type)(type)->length > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->length > 0) |
| 77 | { |
| 78 | elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
| 79 | eltlen = TYPE_LENGTH (elttype)(elttype)->length; |
| 80 | len = TYPE_LENGTH (type)(type)->length / eltlen; |
| 81 | if (prettyprint_arrays) |
| 82 | { |
| 83 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 84 | } |
| 85 | /* For an array of chars, print with string syntax. */ |
| 86 | if (eltlen == 1 && |
| 87 | ((TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_INT) |
| 88 | || ((current_language->la_language == language_m2) |
| 89 | && (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_CHAR))) |
| 90 | && (format == 0 || format == 's')) |
| 91 | { |
| 92 | /* If requested, look for the first null char and only print |
| 93 | elements up to it. */ |
| 94 | if (stop_print_at_null) |
| 95 | { |
| 96 | unsigned int temp_len; |
| 97 | |
| 98 | /* Look for a NULL char. */ |
| 99 | for (temp_len = 0; |
| 100 | (valaddr + embedded_offset)[temp_len] |
| 101 | && temp_len < len && temp_len < print_max; |
| 102 | temp_len++); |
| 103 | len = temp_len; |
| 104 | } |
| 105 | |
| 106 | LA_PRINT_STRING (stream, valaddr + embedded_offset, len, 1, 0)(current_language->la_printstr(stream, valaddr + embedded_offset , len, 1, 0)); |
| 107 | i = len; |
Value stored to 'i' is never read | |
| 108 | } |
| 109 | else |
| 110 | { |
| 111 | fprintf_filtered (stream, "{"); |
| 112 | /* If this is a virtual function table, print the 0th |
| 113 | entry specially, and the rest of the members normally. */ |
| 114 | if (pascal_object_is_vtbl_ptr_type (elttype)) |
| 115 | { |
| 116 | i = 1; |
| 117 | fprintf_filtered (stream, "%d vtable entries", len - 1); |
| 118 | } |
| 119 | else |
| 120 | { |
| 121 | i = 0; |
| 122 | } |
| 123 | val_print_array_elements (type, valaddr + embedded_offset, address, stream, |
| 124 | format, deref_ref, recurse, pretty, i); |
| 125 | fprintf_filtered (stream, "}"); |
| 126 | } |
| 127 | break; |
| 128 | } |
| 129 | /* Array of unspecified length: treat like pointer to first elt. */ |
| 130 | addr = address; |
| 131 | goto print_unpacked_pointer; |
| 132 | |
| 133 | case TYPE_CODE_PTR: |
| 134 | if (format && format != 's') |
| 135 | { |
| 136 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 137 | break; |
| 138 | } |
| 139 | if (vtblprint && pascal_object_is_vtbl_ptr_type (type)) |
| 140 | { |
| 141 | /* Print the unmangled name if desired. */ |
| 142 | /* Print vtable entry - we only get here if we ARE using |
| 143 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_STRUCT.) */ |
| 144 | /* Extract the address, assume that it is unsigned. */ |
| 145 | print_address_demangle (extract_unsigned_integer (valaddr + embedded_offset, TYPE_LENGTH (type)(type)->length), |
| 146 | stream, demangle); |
| 147 | break; |
| 148 | } |
| 149 | elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
| 150 | if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_METHOD) |
| 151 | { |
| 152 | pascal_object_print_class_method (valaddr + embedded_offset, type, stream); |
| 153 | } |
| 154 | else if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_MEMBER) |
| 155 | { |
| 156 | pascal_object_print_class_member (valaddr + embedded_offset, |
| 157 | TYPE_DOMAIN_TYPE (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->vptr_basetype, |
| 158 | stream, "&"); |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | addr = unpack_pointer (type, valaddr + embedded_offset); |
| 163 | print_unpacked_pointer: |
| 164 | elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
| 165 | |
| 166 | if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_FUNC) |
| 167 | { |
| 168 | /* Try to print what function it points to. */ |
| 169 | print_address_demangle (addr, stream, demangle); |
| 170 | /* Return value is irrelevant except for string pointers. */ |
| 171 | return (0); |
| 172 | } |
| 173 | |
| 174 | if (addressprint && format != 's') |
| 175 | { |
| 176 | print_address_numeric (addr, 1, stream); |
| 177 | } |
| 178 | |
| 179 | /* For a pointer to char or unsigned char, also print the string |
| 180 | pointed to, unless pointer is null. */ |
| 181 | if (TYPE_LENGTH (elttype)(elttype)->length == 1 |
| 182 | && TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_INT |
| 183 | && (format == 0 || format == 's') |
| 184 | && addr != 0) |
| 185 | { |
| 186 | /* no wide string yet */ |
| 187 | i = val_print_string (addr, -1, 1, stream); |
| 188 | } |
| 189 | /* also for pointers to pascal strings */ |
| 190 | /* Note: this is Free Pascal specific: |
| 191 | as GDB does not recognize stabs pascal strings |
| 192 | Pascal strings are mapped to records |
| 193 | with lowercase names PM */ |
| 194 | if (is_pascal_string_type (elttype, &length_pos, &length_size, |
| 195 | &string_pos, &char_size, NULL((void*)0)) |
| 196 | && addr != 0) |
| 197 | { |
| 198 | ULONGESTunsigned long string_length; |
| 199 | void *buffer; |
| 200 | buffer = xmalloc (length_size); |
| 201 | read_memory (addr + length_pos, buffer, length_size); |
| 202 | string_length = extract_unsigned_integer (buffer, length_size); |
| 203 | xfree (buffer); |
| 204 | i = val_print_string (addr + string_pos, string_length, char_size, stream); |
| 205 | } |
| 206 | else if (pascal_object_is_vtbl_member (type)) |
| 207 | { |
| 208 | /* print vtbl's nicely */ |
| 209 | CORE_ADDR vt_address = unpack_pointer (type, valaddr + embedded_offset); |
| 210 | |
| 211 | struct minimal_symbol *msymbol = |
| 212 | lookup_minimal_symbol_by_pc (vt_address); |
| 213 | if ((msymbol != NULL((void*)0)) |
| 214 | && (vt_address == SYMBOL_VALUE_ADDRESS (msymbol)(msymbol)->ginfo.value.address)) |
| 215 | { |
| 216 | fputs_filtered (" <", stream); |
| 217 | fputs_filtered (SYMBOL_PRINT_NAME (msymbol)(demangle ? (symbol_natural_name (&(msymbol)->ginfo)) : (msymbol)->ginfo.name), stream); |
| 218 | fputs_filtered (">", stream); |
| 219 | } |
| 220 | if (vt_address && vtblprint) |
| 221 | { |
| 222 | struct value *vt_val; |
| 223 | struct symbol *wsym = (struct symbol *) NULL((void*)0); |
| 224 | struct type *wtype; |
| 225 | struct block *block = (struct block *) NULL((void*)0); |
| 226 | int is_this_fld; |
| 227 | |
| 228 | if (msymbol != NULL((void*)0)) |
| 229 | wsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (msymbol)(msymbol)->ginfo.name, block, |
| 230 | VAR_DOMAIN, &is_this_fld, NULL((void*)0)); |
| 231 | |
| 232 | if (wsym) |
| 233 | { |
| 234 | wtype = SYMBOL_TYPE (wsym)(wsym)->type; |
| 235 | } |
| 236 | else |
| 237 | { |
| 238 | wtype = TYPE_TARGET_TYPE (type)(type)->main_type->target_type; |
| 239 | } |
| 240 | vt_val = value_at (wtype, vt_address, NULL((void*)0)); |
| 241 | val_print (VALUE_TYPE (vt_val)(vt_val)->type, VALUE_CONTENTS (vt_val)((void)((vt_val)->lazy && value_fetch_lazy(vt_val) ), ((char *) (vt_val)->aligner.contents + (vt_val)->embedded_offset )), 0, |
| 242 | VALUE_ADDRESS (vt_val)(vt_val)->location.address, stream, format, |
| 243 | deref_ref, recurse + 1, pretty); |
| 244 | if (pretty) |
| 245 | { |
| 246 | fprintf_filtered (stream, "\n"); |
| 247 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | /* Return number of characters printed, including the terminating |
| 253 | '\0' if we reached the end. val_print_string takes care including |
| 254 | the terminating '\0' if necessary. */ |
| 255 | return i; |
| 256 | } |
| 257 | break; |
| 258 | |
| 259 | case TYPE_CODE_MEMBER: |
| 260 | error ("not implemented: member type in pascal_val_print"); |
| 261 | break; |
| 262 | |
| 263 | case TYPE_CODE_REF: |
| 264 | elttype = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
| 265 | if (TYPE_CODE (elttype)(elttype)->main_type->code == TYPE_CODE_MEMBER) |
| 266 | { |
| 267 | pascal_object_print_class_member (valaddr + embedded_offset, |
| 268 | TYPE_DOMAIN_TYPE (elttype)(elttype)->main_type->vptr_basetype, |
| 269 | stream, ""); |
| 270 | break; |
| 271 | } |
| 272 | if (addressprint) |
| 273 | { |
| 274 | fprintf_filtered (stream, "@"); |
| 275 | /* Extract the address, assume that it is unsigned. */ |
| 276 | print_address_numeric |
| 277 | (extract_unsigned_integer (valaddr + embedded_offset, |
| 278 | TARGET_PTR_BIT(gdbarch_ptr_bit (current_gdbarch)) / HOST_CHAR_BIT8), |
| 279 | 1, stream); |
| 280 | if (deref_ref) |
| 281 | fputs_filtered (": ", stream); |
| 282 | } |
| 283 | /* De-reference the reference. */ |
| 284 | if (deref_ref) |
| 285 | { |
| 286 | if (TYPE_CODE (elttype)(elttype)->main_type->code != TYPE_CODE_UNDEF) |
| 287 | { |
| 288 | struct value *deref_val = |
| 289 | value_at |
| 290 | (TYPE_TARGET_TYPE (type)(type)->main_type->target_type, |
| 291 | unpack_pointer (lookup_pointer_type (builtin_type_void), |
| 292 | valaddr + embedded_offset), |
| 293 | NULL((void*)0)); |
| 294 | val_print (VALUE_TYPE (deref_val)(deref_val)->type, |
| 295 | VALUE_CONTENTS (deref_val)((void)((deref_val)->lazy && value_fetch_lazy(deref_val )), ((char *) (deref_val)->aligner.contents + (deref_val)-> embedded_offset)), 0, |
| 296 | VALUE_ADDRESS (deref_val)(deref_val)->location.address, stream, format, |
| 297 | deref_ref, recurse + 1, pretty); |
| 298 | } |
| 299 | else |
| 300 | fputs_filtered ("???", stream); |
| 301 | } |
| 302 | break; |
| 303 | |
| 304 | case TYPE_CODE_UNION: |
| 305 | if (recurse && !unionprint) |
| 306 | { |
| 307 | fprintf_filtered (stream, "{...}"); |
| 308 | break; |
| 309 | } |
| 310 | /* Fall through. */ |
| 311 | case TYPE_CODE_STRUCT: |
| 312 | if (vtblprint && pascal_object_is_vtbl_ptr_type (type)) |
| 313 | { |
| 314 | /* Print the unmangled name if desired. */ |
| 315 | /* Print vtable entry - we only get here if NOT using |
| 316 | -fvtable_thunks. (Otherwise, look under TYPE_CODE_PTR.) */ |
| 317 | /* Extract the address, assume that it is unsigned. */ |
| 318 | print_address_demangle |
| 319 | (extract_unsigned_integer (valaddr + embedded_offset + TYPE_FIELD_BITPOS (type, VTBL_FNADDR_OFFSET)(((type)->main_type->fields[2]).loc.bitpos) / 8, |
| 320 | TYPE_LENGTH (TYPE_FIELD_TYPE (type, VTBL_FNADDR_OFFSET))((((type)->main_type->fields[2]).type))->length), |
| 321 | stream, demangle); |
| 322 | } |
| 323 | else |
| 324 | { |
| 325 | if (is_pascal_string_type (type, &length_pos, &length_size, |
| 326 | &string_pos, &char_size, NULL((void*)0))) |
| 327 | { |
| 328 | len = extract_unsigned_integer (valaddr + embedded_offset + length_pos, length_size); |
| 329 | LA_PRINT_STRING (stream, valaddr + embedded_offset + string_pos, len, char_size, 0)(current_language->la_printstr(stream, valaddr + embedded_offset + string_pos, len, char_size, 0)); |
| 330 | } |
| 331 | else |
| 332 | pascal_object_print_value_fields (type, valaddr + embedded_offset, address, stream, format, |
| 333 | recurse, pretty, NULL((void*)0), 0); |
| 334 | } |
| 335 | break; |
| 336 | |
| 337 | case TYPE_CODE_ENUM: |
| 338 | if (format) |
| 339 | { |
| 340 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 341 | break; |
| 342 | } |
| 343 | len = TYPE_NFIELDS (type)(type)->main_type->nfields; |
| 344 | val = unpack_long (type, valaddr + embedded_offset); |
| 345 | for (i = 0; i < len; i++) |
| 346 | { |
| 347 | QUIT{ if (quit_flag) quit (); if (deprecated_interactive_hook) deprecated_interactive_hook (); }; |
| 348 | if (val == TYPE_FIELD_BITPOS (type, i)(((type)->main_type->fields[i]).loc.bitpos)) |
| 349 | { |
| 350 | break; |
| 351 | } |
| 352 | } |
| 353 | if (i < len) |
| 354 | { |
| 355 | fputs_filtered (TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name), stream); |
| 356 | } |
| 357 | else |
| 358 | { |
| 359 | print_longest (stream, 'd', 0, val); |
| 360 | } |
| 361 | break; |
| 362 | |
| 363 | case TYPE_CODE_FUNC: |
| 364 | if (format) |
| 365 | { |
| 366 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 367 | break; |
| 368 | } |
| 369 | /* FIXME, we should consider, at least for ANSI C language, eliminating |
| 370 | the distinction made between FUNCs and POINTERs to FUNCs. */ |
| 371 | fprintf_filtered (stream, "{"); |
| 372 | type_print (type, "", stream, -1); |
| 373 | fprintf_filtered (stream, "} "); |
| 374 | /* Try to print what function it points to, and its address. */ |
| 375 | print_address_demangle (address, stream, demangle); |
| 376 | break; |
| 377 | |
| 378 | case TYPE_CODE_BOOL: |
| 379 | format = format ? format : output_format; |
| 380 | if (format) |
| 381 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 382 | else |
| 383 | { |
| 384 | val = unpack_long (type, valaddr + embedded_offset); |
| 385 | if (val == 0) |
| 386 | fputs_filtered ("false", stream); |
| 387 | else if (val == 1) |
| 388 | fputs_filtered ("true", stream); |
| 389 | else |
| 390 | { |
| 391 | fputs_filtered ("true (", stream); |
| 392 | fprintf_filtered (stream, "%ld)", (long int) val); |
| 393 | } |
| 394 | } |
| 395 | break; |
| 396 | |
| 397 | case TYPE_CODE_RANGE: |
| 398 | /* FIXME: create_range_type does not set the unsigned bit in a |
| 399 | range type (I think it probably should copy it from the target |
| 400 | type), so we won't print values which are too large to |
| 401 | fit in a signed integer correctly. */ |
| 402 | /* FIXME: Doesn't handle ranges of enums correctly. (Can't just |
| 403 | print with the target type, though, because the size of our type |
| 404 | and the target type might differ). */ |
| 405 | /* FALLTHROUGH */ |
| 406 | |
| 407 | case TYPE_CODE_INT: |
| 408 | format = format ? format : output_format; |
| 409 | if (format) |
| 410 | { |
| 411 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 412 | } |
| 413 | else |
| 414 | { |
| 415 | val_print_type_code_int (type, valaddr + embedded_offset, stream); |
| 416 | } |
| 417 | break; |
| 418 | |
| 419 | case TYPE_CODE_CHAR: |
| 420 | format = format ? format : output_format; |
| 421 | if (format) |
| 422 | { |
| 423 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 424 | } |
| 425 | else |
| 426 | { |
| 427 | val = unpack_long (type, valaddr + embedded_offset); |
| 428 | if (TYPE_UNSIGNED (type)((type)->main_type->flags & (1 << 0))) |
| 429 | fprintf_filtered (stream, "%u", (unsigned int) val); |
| 430 | else |
| 431 | fprintf_filtered (stream, "%d", (int) val); |
| 432 | fputs_filtered (" ", stream); |
| 433 | LA_PRINT_CHAR ((unsigned char) val, stream)(current_language->la_printchar((unsigned char) val, stream )); |
| 434 | } |
| 435 | break; |
| 436 | |
| 437 | case TYPE_CODE_FLT: |
| 438 | if (format) |
| 439 | { |
| 440 | print_scalar_formatted (valaddr + embedded_offset, type, format, 0, stream); |
| 441 | } |
| 442 | else |
| 443 | { |
| 444 | print_floating (valaddr + embedded_offset, type, stream); |
| 445 | } |
| 446 | break; |
| 447 | |
| 448 | case TYPE_CODE_BITSTRING: |
| 449 | case TYPE_CODE_SET: |
| 450 | elttype = TYPE_INDEX_TYPE (type)(((type)->main_type->fields[0]).type); |
| 451 | CHECK_TYPEDEF (elttype)(elttype) = check_typedef (elttype); |
| 452 | if (TYPE_STUB (elttype)((elttype)->main_type->flags & (1 << 2))) |
| 453 | { |
| 454 | fprintf_filtered (stream, "<incomplete type>"); |
| 455 | gdb_flush (stream); |
| 456 | break; |
| 457 | } |
| 458 | else |
| 459 | { |
| 460 | struct type *range = elttype; |
| 461 | LONGESTlong low_bound, high_bound; |
| 462 | int i; |
| 463 | int is_bitstring = TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_BITSTRING; |
| 464 | int need_comma = 0; |
| 465 | |
| 466 | if (is_bitstring) |
| 467 | fputs_filtered ("B'", stream); |
| 468 | else |
| 469 | fputs_filtered ("[", stream); |
| 470 | |
| 471 | i = get_discrete_bounds (range, &low_bound, &high_bound); |
| 472 | maybe_bad_bstring: |
| 473 | if (i < 0) |
| 474 | { |
| 475 | fputs_filtered ("<error value>", stream); |
| 476 | goto done; |
| 477 | } |
| 478 | |
| 479 | for (i = low_bound; i <= high_bound; i++) |
| 480 | { |
| 481 | int element = value_bit_index (type, valaddr + embedded_offset, i); |
| 482 | if (element < 0) |
| 483 | { |
| 484 | i = element; |
| 485 | goto maybe_bad_bstring; |
| 486 | } |
| 487 | if (is_bitstring) |
| 488 | fprintf_filtered (stream, "%d", element); |
| 489 | else if (element) |
| 490 | { |
| 491 | if (need_comma) |
| 492 | fputs_filtered (", ", stream); |
| 493 | print_type_scalar (range, i, stream); |
| 494 | need_comma = 1; |
| 495 | |
| 496 | if (i + 1 <= high_bound && value_bit_index (type, valaddr + embedded_offset, ++i)) |
| 497 | { |
| 498 | int j = i; |
| 499 | fputs_filtered ("..", stream); |
| 500 | while (i + 1 <= high_bound |
| 501 | && value_bit_index (type, valaddr + embedded_offset, ++i)) |
| 502 | j = i; |
| 503 | print_type_scalar (range, j, stream); |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | done: |
| 508 | if (is_bitstring) |
| 509 | fputs_filtered ("'", stream); |
| 510 | else |
| 511 | fputs_filtered ("]", stream); |
| 512 | } |
| 513 | break; |
| 514 | |
| 515 | case TYPE_CODE_VOID: |
| 516 | fprintf_filtered (stream, "void"); |
| 517 | break; |
| 518 | |
| 519 | case TYPE_CODE_ERROR: |
| 520 | fprintf_filtered (stream, "<error type>"); |
| 521 | break; |
| 522 | |
| 523 | case TYPE_CODE_UNDEF: |
| 524 | /* This happens (without TYPE_FLAG_STUB set) on systems which don't use |
| 525 | dbx xrefs (NO_DBX_XREFS in gcc) if a file has a "struct foo *bar" |
| 526 | and no complete type for struct foo in that file. */ |
| 527 | fprintf_filtered (stream, "<incomplete type>"); |
| 528 | break; |
| 529 | |
| 530 | default: |
| 531 | error ("Invalid pascal type code %d in symbol table.", TYPE_CODE (type)(type)->main_type->code); |
| 532 | } |
| 533 | gdb_flush (stream); |
| 534 | return (0); |
| 535 | } |
| 536 | |
| 537 | int |
| 538 | pascal_value_print (struct value *val, struct ui_file *stream, int format, |
| 539 | enum val_prettyprint pretty) |
| 540 | { |
| 541 | struct type *type = VALUE_TYPE (val)(val)->type; |
| 542 | |
| 543 | /* If it is a pointer, indicate what it points to. |
| 544 | |
| 545 | Print type also if it is a reference. |
| 546 | |
| 547 | Object pascal: if it is a member pointer, we will take care |
| 548 | of that when we print it. */ |
| 549 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR || |
| 550 | TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_REF) |
| 551 | { |
| 552 | /* Hack: remove (char *) for char strings. Their |
| 553 | type is indicated by the quoted string anyway. */ |
| 554 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR && |
| 555 | TYPE_NAME (type)(type)->main_type->name == NULL((void*)0) && |
| 556 | TYPE_NAME (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->name != NULL((void*)0) |
| 557 | && strcmp (TYPE_NAME (TYPE_TARGET_TYPE (type))((type)->main_type->target_type)->main_type->name, "char") == 0) |
| 558 | { |
| 559 | /* Print nothing */ |
| 560 | } |
| 561 | else |
| 562 | { |
| 563 | fprintf_filtered (stream, "("); |
| 564 | type_print (type, "", stream, -1); |
| 565 | fprintf_filtered (stream, ") "); |
| 566 | } |
| 567 | } |
| 568 | return val_print (type, VALUE_CONTENTS (val)((void)((val)->lazy && value_fetch_lazy(val)), ((char *) (val)->aligner.contents + (val)->embedded_offset)), VALUE_EMBEDDED_OFFSET (val)((val)->embedded_offset), |
| 569 | VALUE_ADDRESS (val)(val)->location.address + VALUE_OFFSET (val)(val)->offset, |
| 570 | stream, format, 1, 0, pretty); |
| 571 | } |
| 572 | |
| 573 | |
| 574 | /****************************************************************************** |
| 575 | Inserted from cp-valprint |
| 576 | ******************************************************************************/ |
| 577 | |
| 578 | extern int vtblprint; /* Controls printing of vtbl's */ |
| 579 | extern int objectprint; /* Controls looking up an object's derived type |
| 580 | using what we find in its vtables. */ |
| 581 | static int pascal_static_field_print; /* Controls printing of static fields. */ |
| 582 | |
| 583 | static struct obstack dont_print_vb_obstack; |
| 584 | static struct obstack dont_print_statmem_obstack; |
| 585 | |
| 586 | static void pascal_object_print_static_field (struct type *, struct value *, |
| 587 | struct ui_file *, int, int, |
| 588 | enum val_prettyprint); |
| 589 | |
| 590 | static void |
| 591 | pascal_object_print_value (struct type *, char *, CORE_ADDR, struct ui_file *, |
| 592 | int, int, enum val_prettyprint, struct type **); |
| 593 | |
| 594 | void |
| 595 | pascal_object_print_class_method (char *valaddr, struct type *type, |
| 596 | struct ui_file *stream) |
| 597 | { |
| 598 | struct type *domain; |
| 599 | struct fn_field *f = NULL((void*)0); |
| 600 | int j = 0; |
| 601 | int len2; |
| 602 | int offset; |
| 603 | char *kind = ""; |
| 604 | CORE_ADDR addr; |
| 605 | struct symbol *sym; |
| 606 | unsigned len; |
| 607 | unsigned int i; |
| 608 | struct type *target_type = check_typedef (TYPE_TARGET_TYPE (type)(type)->main_type->target_type); |
| 609 | |
| 610 | domain = TYPE_DOMAIN_TYPE (target_type)(target_type)->main_type->vptr_basetype; |
| 611 | if (domain == (struct type *) NULL((void*)0)) |
| 612 | { |
| 613 | fprintf_filtered (stream, "<unknown>"); |
| 614 | return; |
| 615 | } |
| 616 | addr = unpack_pointer (lookup_pointer_type (builtin_type_void), valaddr); |
| 617 | if (METHOD_PTR_IS_VIRTUAL (addr)((addr) & 0x80000000)) |
| 618 | { |
| 619 | offset = METHOD_PTR_TO_VOFFSET (addr)(~0x80000000 & (addr)); |
| 620 | len = TYPE_NFN_FIELDS (domain)(domain)->main_type->type_specific.cplus_stuff->nfn_fields; |
| 621 | for (i = 0; i < len; i++) |
| 622 | { |
| 623 | f = TYPE_FN_FIELDLIST1 (domain, i)(domain)->main_type->type_specific.cplus_stuff->fn_fieldlists [i].fn_fields; |
| 624 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i)(domain)->main_type->type_specific.cplus_stuff->fn_fieldlists [i].length; |
| 625 | |
| 626 | check_stub_method_group (domain, i); |
| 627 | for (j = 0; j < len2; j++) |
| 628 | { |
| 629 | if (TYPE_FN_FIELD_VOFFSET (f, j)((f)[j].voffset-2) == offset) |
| 630 | { |
| 631 | kind = "virtual "; |
| 632 | goto common; |
| 633 | } |
| 634 | } |
| 635 | } |
| 636 | } |
| 637 | else |
| 638 | { |
| 639 | sym = find_pc_function (addr); |
| 640 | if (sym == 0) |
| 641 | { |
| 642 | error ("invalid pointer to member function"); |
| 643 | } |
| 644 | len = TYPE_NFN_FIELDS (domain)(domain)->main_type->type_specific.cplus_stuff->nfn_fields; |
| 645 | for (i = 0; i < len; i++) |
| 646 | { |
| 647 | f = TYPE_FN_FIELDLIST1 (domain, i)(domain)->main_type->type_specific.cplus_stuff->fn_fieldlists [i].fn_fields; |
| 648 | len2 = TYPE_FN_FIELDLIST_LENGTH (domain, i)(domain)->main_type->type_specific.cplus_stuff->fn_fieldlists [i].length; |
| 649 | |
| 650 | check_stub_method_group (domain, i); |
| 651 | for (j = 0; j < len2; j++) |
| 652 | { |
| 653 | if (DEPRECATED_STREQ (DEPRECATED_SYMBOL_NAME (sym), TYPE_FN_FIELD_PHYSNAME (f, j))(strcmp (((sym)->ginfo.name), ((f)[j].physname)) == 0)) |
| 654 | goto common; |
| 655 | } |
| 656 | } |
| 657 | } |
| 658 | common: |
| 659 | if (i < len) |
| 660 | { |
| 661 | char *demangled_name; |
| 662 | |
| 663 | fprintf_filtered (stream, "&"); |
| 664 | fputs_filtered (kind, stream); |
| 665 | demangled_name = cplus_demangle (TYPE_FN_FIELD_PHYSNAME (f, j)(f)[j].physname, |
| 666 | DMGL_ANSI(1 << 1) | DMGL_PARAMS(1 << 0)); |
| 667 | if (demangled_name == NULL((void*)0)) |
| 668 | fprintf_filtered (stream, "<badly mangled name %s>", |
| 669 | TYPE_FN_FIELD_PHYSNAME (f, j)(f)[j].physname); |
| 670 | else |
| 671 | { |
| 672 | fputs_filtered (demangled_name, stream); |
| 673 | xfree (demangled_name); |
| 674 | } |
| 675 | } |
| 676 | else |
| 677 | { |
| 678 | fprintf_filtered (stream, "("); |
| 679 | type_print (type, "", stream, -1); |
| 680 | fprintf_filtered (stream, ") %d", (int) addr >> 3); |
| 681 | } |
| 682 | } |
| 683 | |
| 684 | /* It was changed to this after 2.4.5. */ |
| 685 | const char pascal_vtbl_ptr_name[] = |
| 686 | {'_', '_', 'v', 't', 'b', 'l', '_', 'p', 't', 'r', '_', 't', 'y', 'p', 'e', 0}; |
| 687 | |
| 688 | /* Return truth value for assertion that TYPE is of the type |
| 689 | "pointer to virtual function". */ |
| 690 | |
| 691 | int |
| 692 | pascal_object_is_vtbl_ptr_type (struct type *type) |
| 693 | { |
| 694 | char *typename = type_name_no_tag (type); |
| 695 | |
| 696 | return (typename != NULL((void*)0) |
| 697 | && strcmp (typename, pascal_vtbl_ptr_name) == 0); |
| 698 | } |
| 699 | |
| 700 | /* Return truth value for the assertion that TYPE is of the type |
| 701 | "pointer to virtual function table". */ |
| 702 | |
| 703 | int |
| 704 | pascal_object_is_vtbl_member (struct type *type) |
| 705 | { |
| 706 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR) |
| 707 | { |
| 708 | type = TYPE_TARGET_TYPE (type)(type)->main_type->target_type; |
| 709 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_ARRAY) |
| 710 | { |
| 711 | type = TYPE_TARGET_TYPE (type)(type)->main_type->target_type; |
| 712 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_STRUCT /* if not using thunks */ |
| 713 | || TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_PTR) /* if using thunks */ |
| 714 | { |
| 715 | /* Virtual functions tables are full of pointers |
| 716 | to virtual functions. */ |
| 717 | return pascal_object_is_vtbl_ptr_type (type); |
| 718 | } |
| 719 | } |
| 720 | } |
| 721 | return 0; |
| 722 | } |
| 723 | |
| 724 | /* Mutually recursive subroutines of pascal_object_print_value and c_val_print to |
| 725 | print out a structure's fields: pascal_object_print_value_fields and pascal_object_print_value. |
| 726 | |
| 727 | TYPE, VALADDR, ADDRESS, STREAM, RECURSE, and PRETTY have the |
| 728 | same meanings as in pascal_object_print_value and c_val_print. |
| 729 | |
| 730 | DONT_PRINT is an array of baseclass types that we |
| 731 | should not print, or zero if called from top level. */ |
| 732 | |
| 733 | void |
| 734 | pascal_object_print_value_fields (struct type *type, char *valaddr, |
| 735 | CORE_ADDR address, struct ui_file *stream, |
| 736 | int format, int recurse, |
| 737 | enum val_prettyprint pretty, |
| 738 | struct type **dont_print_vb, |
| 739 | int dont_print_statmem) |
| 740 | { |
| 741 | int i, len, n_baseclasses; |
| 742 | struct obstack tmp_obstack; |
| 743 | char *last_dont_print = obstack_next_free (&dont_print_statmem_obstack)((&dont_print_statmem_obstack)->next_free); |
| 744 | |
| 745 | CHECK_TYPEDEF (type)(type) = check_typedef (type); |
| 746 | |
| 747 | fprintf_filtered (stream, "{"); |
| 748 | len = TYPE_NFIELDS (type)(type)->main_type->nfields; |
| 749 | n_baseclasses = TYPE_N_BASECLASSES (type)(type)->main_type->type_specific.cplus_stuff->n_baseclasses; |
| 750 | |
| 751 | /* Print out baseclasses such that we don't print |
| 752 | duplicates of virtual baseclasses. */ |
| 753 | if (n_baseclasses > 0) |
| 754 | pascal_object_print_value (type, valaddr, address, stream, |
| 755 | format, recurse + 1, pretty, dont_print_vb); |
| 756 | |
| 757 | if (!len && n_baseclasses == 1) |
| 758 | fprintf_filtered (stream, "<No data fields>"); |
| 759 | else |
| 760 | { |
| 761 | int fields_seen = 0; |
| 762 | |
| 763 | if (dont_print_statmem == 0) |
| 764 | { |
| 765 | /* If we're at top level, carve out a completely fresh |
| 766 | chunk of the obstack and use that until this particular |
| 767 | invocation returns. */ |
| 768 | tmp_obstack = dont_print_statmem_obstack; |
| 769 | obstack_finish (&dont_print_statmem_obstack)__extension__ ({ struct obstack *__o1 = (&dont_print_statmem_obstack ); void *value; value = (void *) __o1->object_base; if (__o1 ->next_free == value) __o1->maybe_empty_object = 1; __o1 ->next_free = (((((__o1->next_free) - (char *) 0)+__o1-> alignment_mask) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1 ->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit; __o1->object_base = __o1->next_free ; value; }); |
| 770 | } |
| 771 | |
| 772 | for (i = n_baseclasses; i < len; i++) |
| 773 | { |
| 774 | /* If requested, skip printing of static fields. */ |
| 775 | if (!pascal_static_field_print && TYPE_FIELD_STATIC (type, i)((type)->main_type->fields[i].static_kind != 0)) |
| 776 | continue; |
| 777 | if (fields_seen) |
| 778 | fprintf_filtered (stream, ", "); |
| 779 | else if (n_baseclasses > 0) |
| 780 | { |
| 781 | if (pretty) |
| 782 | { |
| 783 | fprintf_filtered (stream, "\n"); |
| 784 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 785 | fputs_filtered ("members of ", stream); |
| 786 | fputs_filtered (type_name_no_tag (type), stream); |
| 787 | fputs_filtered (": ", stream); |
| 788 | } |
| 789 | } |
| 790 | fields_seen = 1; |
| 791 | |
| 792 | if (pretty) |
| 793 | { |
| 794 | fprintf_filtered (stream, "\n"); |
| 795 | print_spaces_filtered (2 + 2 * recurse, stream); |
| 796 | } |
| 797 | else |
| 798 | { |
| 799 | wrap_here (n_spaces (2 + 2 * recurse)); |
| 800 | } |
| 801 | if (inspect_it) |
| 802 | { |
| 803 | if (TYPE_CODE (TYPE_FIELD_TYPE (type, i))((((type)->main_type->fields[i]).type))->main_type-> code == TYPE_CODE_PTR) |
| 804 | fputs_filtered ("\"( ptr \"", stream); |
| 805 | else |
| 806 | fputs_filtered ("\"( nodef \"", stream); |
| 807 | if (TYPE_FIELD_STATIC (type, i)((type)->main_type->fields[i].static_kind != 0)) |
| 808 | fputs_filtered ("static ", stream); |
| 809 | fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name), |
| 810 | language_cplus, |
| 811 | DMGL_PARAMS(1 << 0) | DMGL_ANSI(1 << 1)); |
| 812 | fputs_filtered ("\" \"", stream); |
| 813 | fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name), |
| 814 | language_cplus, |
| 815 | DMGL_PARAMS(1 << 0) | DMGL_ANSI(1 << 1)); |
| 816 | fputs_filtered ("\") \"", stream); |
| 817 | } |
| 818 | else |
| 819 | { |
| 820 | annotate_field_begin (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type)); |
| 821 | |
| 822 | if (TYPE_FIELD_STATIC (type, i)((type)->main_type->fields[i].static_kind != 0)) |
| 823 | fputs_filtered ("static ", stream); |
| 824 | fprintf_symbol_filtered (stream, TYPE_FIELD_NAME (type, i)(((type)->main_type->fields[i]).name), |
| 825 | language_cplus, |
| 826 | DMGL_PARAMS(1 << 0) | DMGL_ANSI(1 << 1)); |
| 827 | annotate_field_name_end (); |
| 828 | fputs_filtered (" = ", stream); |
| 829 | annotate_field_value (); |
| 830 | } |
| 831 | |
| 832 | if (!TYPE_FIELD_STATIC (type, i)((type)->main_type->fields[i].static_kind != 0) && TYPE_FIELD_PACKED (type, i)((((type)->main_type->fields[i]).bitsize)!=0)) |
| 833 | { |
| 834 | struct value *v; |
| 835 | |
| 836 | /* Bitfields require special handling, especially due to byte |
| 837 | order problems. */ |
| 838 | if (TYPE_FIELD_IGNORE (type, i)((type)->main_type->type_specific.cplus_stuff->ignore_field_bits == ((void*)0) ? 0 : (((type)->main_type->type_specific .cplus_stuff->ignore_field_bits)[((i))>>3] & (1 << (((i))&7))))) |
| 839 | { |
| 840 | fputs_filtered ("<optimized out or zero length>", stream); |
| 841 | } |
| 842 | else |
| 843 | { |
| 844 | v = value_from_longest (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type), |
| 845 | unpack_field_as_long (type, valaddr, i)); |
| 846 | |
| 847 | val_print (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type), VALUE_CONTENTS (v)((void)((v)->lazy && value_fetch_lazy(v)), ((char * ) (v)->aligner.contents + (v)->embedded_offset)), 0, 0, |
| 848 | stream, format, 0, recurse + 1, pretty); |
| 849 | } |
| 850 | } |
| 851 | else |
| 852 | { |
| 853 | if (TYPE_FIELD_IGNORE (type, i)((type)->main_type->type_specific.cplus_stuff->ignore_field_bits == ((void*)0) ? 0 : (((type)->main_type->type_specific .cplus_stuff->ignore_field_bits)[((i))>>3] & (1 << (((i))&7))))) |
| 854 | { |
| 855 | fputs_filtered ("<optimized out or zero length>", stream); |
| 856 | } |
| 857 | else if (TYPE_FIELD_STATIC (type, i)((type)->main_type->fields[i].static_kind != 0)) |
| 858 | { |
| 859 | /* struct value *v = value_static_field (type, i); v4.17 specific */ |
| 860 | struct value *v; |
| 861 | v = value_from_longest (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type), |
| 862 | unpack_field_as_long (type, valaddr, i)); |
| 863 | |
| 864 | if (v == NULL((void*)0)) |
| 865 | fputs_filtered ("<optimized out>", stream); |
| 866 | else |
| 867 | pascal_object_print_static_field (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type), v, |
| 868 | stream, format, recurse + 1, |
| 869 | pretty); |
| 870 | } |
| 871 | else |
| 872 | { |
| 873 | /* val_print (TYPE_FIELD_TYPE (type, i), |
| 874 | valaddr + TYPE_FIELD_BITPOS (type, i) / 8, |
| 875 | address + TYPE_FIELD_BITPOS (type, i) / 8, 0, |
| 876 | stream, format, 0, recurse + 1, pretty); */ |
| 877 | val_print (TYPE_FIELD_TYPE (type, i)(((type)->main_type->fields[i]).type), |
| 878 | valaddr, TYPE_FIELD_BITPOS (type, i)(((type)->main_type->fields[i]).loc.bitpos) / 8, |
| 879 | address + TYPE_FIELD_BITPOS (type, i)(((type)->main_type->fields[i]).loc.bitpos) / 8, |
| 880 | stream, format, 0, recurse + 1, pretty); |
| 881 | } |
| 882 | } |
| 883 | annotate_field_end (); |
| 884 | } |
| 885 | |
| 886 | if (dont_print_statmem == 0) |
| 887 | { |
| 888 | /* Free the space used to deal with the printing |
| 889 | of the members from top level. */ |
| 890 | obstack_free (&dont_print_statmem_obstack, last_dont_print)__extension__ ({ struct obstack *__o = (&dont_print_statmem_obstack ); void *__obj = (last_dont_print); if (__obj > (void *)__o ->chunk && __obj < (void *)__o->chunk_limit) __o->next_free = __o->object_base = __obj; else (obstack_free ) (__o, __obj); }); |
| 891 | dont_print_statmem_obstack = tmp_obstack; |
| 892 | } |
| 893 | |
| 894 | if (pretty) |
| 895 | { |
| 896 | fprintf_filtered (stream, "\n"); |
| 897 | print_spaces_filtered (2 * recurse, stream); |
| 898 | } |
| 899 | } |
| 900 | fprintf_filtered (stream, "}"); |
| 901 | } |
| 902 | |
| 903 | /* Special val_print routine to avoid printing multiple copies of virtual |
| 904 | baseclasses. */ |
| 905 | |
| 906 | void |
| 907 | pascal_object_print_value (struct type *type, char *valaddr, CORE_ADDR address, |
| 908 | struct ui_file *stream, int format, int recurse, |
| 909 | enum val_prettyprint pretty, |
| 910 | struct type **dont_print_vb) |
| 911 | { |
| 912 | struct obstack tmp_obstack; |
| 913 | struct type **last_dont_print |
| 914 | = (struct type **) obstack_next_free (&dont_print_vb_obstack)((&dont_print_vb_obstack)->next_free); |
| 915 | int i, n_baseclasses = TYPE_N_BASECLASSES (type)(type)->main_type->type_specific.cplus_stuff->n_baseclasses; |
| 916 | |
| 917 | if (dont_print_vb == 0) |
| 918 | { |
| 919 | /* If we're at top level, carve out a completely fresh |
| 920 | chunk of the obstack and use that until this particular |
| 921 | invocation returns. */ |
| 922 | tmp_obstack = dont_print_vb_obstack; |
| 923 | /* Bump up the high-water mark. Now alpha is omega. */ |
| 924 | obstack_finish (&dont_print_vb_obstack)__extension__ ({ struct obstack *__o1 = (&dont_print_vb_obstack ); void *value; value = (void *) __o1->object_base; if (__o1 ->next_free == value) __o1->maybe_empty_object = 1; __o1 ->next_free = (((((__o1->next_free) - (char *) 0)+__o1-> alignment_mask) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk > __o1 ->chunk_limit - (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit; __o1->object_base = __o1->next_free ; value; }); |
| 925 | } |
| 926 | |
| 927 | for (i = 0; i < n_baseclasses; i++) |
| 928 | { |
| 929 | int boffset; |
| 930 | struct type *baseclass = check_typedef (TYPE_BASECLASS (type, i)(type)->main_type->fields[i].type); |
| 931 | char *basename = TYPE_NAME (baseclass)(baseclass)->main_type->name; |
| 932 | char *base_valaddr; |
| 933 | |
| 934 | if (BASETYPE_VIA_VIRTUAL (type, i)((type)->main_type->type_specific.cplus_stuff->virtual_field_bits == ((void*)0) ? 0 : (((type)->main_type->type_specific .cplus_stuff->virtual_field_bits)[((i))>>3] & (1 << (((i))&7))))) |
| 935 | { |
| 936 | struct type **first_dont_print |
| 937 | = (struct type **) obstack_base (&dont_print_vb_obstack)((&dont_print_vb_obstack)->object_base); |
| 938 | |
| 939 | int j = (struct type **) obstack_next_free (&dont_print_vb_obstack)((&dont_print_vb_obstack)->next_free) |
| 940 | - first_dont_print; |
| 941 | |
| 942 | while (--j >= 0) |
| 943 | if (baseclass == first_dont_print[j]) |
| 944 | goto flush_it; |
| 945 | |
| 946 | obstack_ptr_grow (&dont_print_vb_obstack, baseclass)__extension__ ({ struct obstack *__o = (&dont_print_vb_obstack ); if (__o->next_free + sizeof (void *) > __o->chunk_limit ) _obstack_newchunk (__o, sizeof (void *)); __extension__ ({ struct obstack *__o1 = (__o); *(const void **) __o1->next_free = (baseclass); __o1->next_free += sizeof (const void *); (void ) 0; }); }); |
| 947 | } |
| 948 | |
| 949 | boffset = baseclass_offset (type, i, valaddr, address); |
| 950 | |
| 951 | if (pretty) |
| 952 | { |
| 953 | fprintf_filtered (stream, "\n"); |
| 954 | print_spaces_filtered (2 * recurse, stream); |
| 955 | } |
| 956 | fputs_filtered ("<", stream); |
| 957 | /* Not sure what the best notation is in the case where there is no |
| 958 | baseclass name. */ |
| 959 | |
| 960 | fputs_filtered (basename ? basename : "", stream); |
| 961 | fputs_filtered ("> = ", stream); |
| 962 | |
| 963 | /* The virtual base class pointer might have been clobbered by the |
| 964 | user program. Make sure that it still points to a valid memory |
| 965 | location. */ |
| 966 | |
| 967 | if (boffset != -1 && (boffset < 0 || boffset >= TYPE_LENGTH (type)(type)->length)) |
| 968 | { |
| 969 | /* FIXME (alloc): not safe is baseclass is really really big. */ |
| 970 | base_valaddr = (char *) alloca (TYPE_LENGTH (baseclass))__builtin_alloca((baseclass)->length); |
| 971 | if (target_read_memory (address + boffset, base_valaddr, |
| 972 | TYPE_LENGTH (baseclass)(baseclass)->length) != 0) |
| 973 | boffset = -1; |
| 974 | } |
| 975 | else |
| 976 | base_valaddr = valaddr + boffset; |
| 977 | |
| 978 | if (boffset == -1) |
| 979 | fprintf_filtered (stream, "<invalid address>"); |
| 980 | else |
| 981 | pascal_object_print_value_fields (baseclass, base_valaddr, address + boffset, |
| 982 | stream, format, recurse, pretty, |
| 983 | (struct type **) obstack_base (&dont_print_vb_obstack)((&dont_print_vb_obstack)->object_base), |
| 984 | 0); |
| 985 | fputs_filtered (", ", stream); |
| 986 | |
| 987 | flush_it: |
| 988 | ; |
| 989 | } |
| 990 | |
| 991 | if (dont_print_vb == 0) |
| 992 | { |
| 993 | /* Free the space used to deal with the printing |
| 994 | of this type from top level. */ |
| 995 | obstack_free (&dont_print_vb_obstack, last_dont_print)__extension__ ({ struct obstack *__o = (&dont_print_vb_obstack ); void *__obj = (last_dont_print); if (__obj > (void *)__o ->chunk && __obj < (void *)__o->chunk_limit) __o->next_free = __o->object_base = __obj; else (obstack_free ) (__o, __obj); }); |
| 996 | /* Reset watermark so that we can continue protecting |
| 997 | ourselves from whatever we were protecting ourselves. */ |
| 998 | dont_print_vb_obstack = tmp_obstack; |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | /* Print value of a static member. |
| 1003 | To avoid infinite recursion when printing a class that contains |
| 1004 | a static instance of the class, we keep the addresses of all printed |
| 1005 | static member classes in an obstack and refuse to print them more |
| 1006 | than once. |
| 1007 | |
| 1008 | VAL contains the value to print, TYPE, STREAM, RECURSE, and PRETTY |
| 1009 | have the same meanings as in c_val_print. */ |
| 1010 | |
| 1011 | static void |
| 1012 | pascal_object_print_static_field (struct type *type, struct value *val, |
| 1013 | struct ui_file *stream, int format, |
| 1014 | int recurse, enum val_prettyprint pretty) |
| 1015 | { |
| 1016 | if (TYPE_CODE (type)(type)->main_type->code == TYPE_CODE_STRUCT) |
| 1017 | { |
| 1018 | CORE_ADDR *first_dont_print; |
| 1019 | int i; |
| 1020 | |
| 1021 | first_dont_print |
| 1022 | = (CORE_ADDR *) obstack_base (&dont_print_statmem_obstack)((&dont_print_statmem_obstack)->object_base); |
| 1023 | i = (CORE_ADDR *) obstack_next_free (&dont_print_statmem_obstack)((&dont_print_statmem_obstack)->next_free) |
| 1024 | - first_dont_print; |
| 1025 | |
| 1026 | while (--i >= 0) |
| 1027 | { |
| 1028 | if (VALUE_ADDRESS (val)(val)->location.address == first_dont_print[i]) |
| 1029 | { |
| 1030 | fputs_filtered ("<same as static member of an already seen type>", |
| 1031 | stream); |
| 1032 | return; |
| 1033 | } |
| 1034 | } |
| 1035 | |
| 1036 | obstack_grow (&dont_print_statmem_obstack, (char *) &VALUE_ADDRESS (val),__extension__ ({ struct obstack *__o = (&dont_print_statmem_obstack ); int __len = (sizeof (CORE_ADDR)); if (__o->next_free + __len > __o->chunk_limit) _obstack_newchunk (__o, __len); memcpy ((__o->next_free), (((char *) &(val)->location.address )), (__len)); __o->next_free += __len; (void) 0; }) |
| 1037 | sizeof (CORE_ADDR))__extension__ ({ struct obstack *__o = (&dont_print_statmem_obstack ); int __len = (sizeof (CORE_ADDR)); if (__o->next_free + __len > __o->chunk_limit) _obstack_newchunk (__o, __len); memcpy ((__o->next_free), (((char *) &(val)->location.address )), (__len)); __o->next_free += __len; (void) 0; }); |
| 1038 | |
| 1039 | CHECK_TYPEDEF (type)(type) = check_typedef (type); |
| 1040 | pascal_object_print_value_fields (type, VALUE_CONTENTS (val)((void)((val)->lazy && value_fetch_lazy(val)), ((char *) (val)->aligner.contents + (val)->embedded_offset)), VALUE_ADDRESS (val)(val)->location.address, |
| 1041 | stream, format, recurse, pretty, NULL((void*)0), 1); |
| 1042 | return; |
| 1043 | } |
| 1044 | val_print (type, VALUE_CONTENTS (val)((void)((val)->lazy && value_fetch_lazy(val)), ((char *) (val)->aligner.contents + (val)->embedded_offset)), 0, VALUE_ADDRESS (val)(val)->location.address, |
| 1045 | stream, format, 0, recurse, pretty); |
| 1046 | } |
| 1047 | |
| 1048 | void |
| 1049 | pascal_object_print_class_member (char *valaddr, struct type *domain, |
| 1050 | struct ui_file *stream, char *prefix) |
| 1051 | { |
| 1052 | |
| 1053 | /* VAL is a byte offset into the structure type DOMAIN. |
| 1054 | Find the name of the field for that offset and |
| 1055 | print it. */ |
| 1056 | int extra = 0; |
| 1057 | int bits = 0; |
| 1058 | unsigned int i; |
| 1059 | unsigned len = TYPE_NFIELDS (domain)(domain)->main_type->nfields; |
| 1060 | /* @@ Make VAL into bit offset */ |
| 1061 | LONGESTlong val = unpack_long (builtin_type_int, valaddr) << 3; |
| 1062 | for (i = TYPE_N_BASECLASSES (domain)(domain)->main_type->type_specific.cplus_stuff->n_baseclasses; i < len; i++) |
| 1063 | { |
| 1064 | int bitpos = TYPE_FIELD_BITPOS (domain, i)(((domain)->main_type->fields[i]).loc.bitpos); |
| 1065 | QUIT{ if (quit_flag) quit (); if (deprecated_interactive_hook) deprecated_interactive_hook (); }; |
| 1066 | if (val == bitpos) |
| 1067 | break; |
| 1068 | if (val < bitpos && i != 0) |
| 1069 | { |
| 1070 | /* Somehow pointing into a field. */ |
| 1071 | i -= 1; |
| 1072 | extra = (val - TYPE_FIELD_BITPOS (domain, i)(((domain)->main_type->fields[i]).loc.bitpos)); |
| 1073 | if (extra & 0x7) |
| 1074 | bits = 1; |
| 1075 | else |
| 1076 | extra >>= 3; |
| 1077 | break; |
| 1078 | } |
| 1079 | } |
| 1080 | if (i < len) |
| 1081 | { |
| 1082 | char *name; |
| 1083 | fputs_filtered (prefix, stream); |
| 1084 | name = type_name_no_tag (domain); |
| 1085 | if (name) |
| 1086 | fputs_filtered (name, stream); |
| 1087 | else |
| 1088 | pascal_type_print_base (domain, stream, 0, 0); |
| 1089 | fprintf_filtered (stream, "::"); |
| 1090 | fputs_filtered (TYPE_FIELD_NAME (domain, i)(((domain)->main_type->fields[i]).name), stream); |
| 1091 | if (extra) |
| 1092 | fprintf_filtered (stream, " + %d bytes", extra); |
| 1093 | if (bits) |
| 1094 | fprintf_filtered (stream, " (offset in bits)"); |
| 1095 | } |
| 1096 | else |
| 1097 | fprintf_filtered (stream, "%ld", (long int) (val >> 3)); |
| 1098 | } |
| 1099 | |
| 1100 | extern initialize_file_ftype _initialize_pascal_valprint; /* -Wmissing-prototypes */ |
| 1101 | |
| 1102 | void |
| 1103 | _initialize_pascal_valprint (void) |
| 1104 | { |
| 1105 | deprecated_add_show_from_set |
| 1106 | (add_set_cmd ("pascal_static-members", class_support, var_boolean, |
| 1107 | (char *) &pascal_static_field_print, |
| 1108 | "Set printing of pascal static members.", |
| 1109 | &setprintlist), |
| 1110 | &showprintlist); |
| 1111 | /* Turn on printing of static fields. */ |
| 1112 | pascal_static_field_print = 1; |
| 1113 | |
| 1114 | } |