| 1 | /* Java language support routines for GDB, the GNU debugger. |
| 2 | Copyright 1997, 1998, 1999, 2000, 2003 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., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "symtab.h" |
| 23 | #include "gdbtypes.h" |
| 24 | #include "expression.h" |
| 25 | #include "parser-defs.h" |
| 26 | #include "language.h" |
| 27 | #include "gdbtypes.h" |
| 28 | #include "symtab.h" |
| 29 | #include "symfile.h" |
| 30 | #include "objfiles.h" |
| 31 | #include "gdb_string.h" |
| 32 | #include "value.h" |
| 33 | #include "c-lang.h" |
| 34 | #include "jv-lang.h" |
| 35 | #include "gdbcore.h" |
| 36 | #include "block.h" |
| 37 | #include "demangle.h" |
| 38 | #include <ctype.h> |
| 39 | |
| 40 | struct type *java_int_type; |
| 41 | struct type *java_byte_type; |
| 42 | struct type *java_short_type; |
| 43 | struct type *java_long_type; |
| 44 | struct type *java_boolean_type; |
| 45 | struct type *java_char_type; |
| 46 | struct type *java_float_type; |
| 47 | struct type *java_double_type; |
| 48 | struct type *java_void_type; |
| 49 | |
| 50 | /* Local functions */ |
| 51 | |
| 52 | extern void _initialize_java_language (void); |
| 53 | |
| 54 | static int java_demangled_signature_length (char *); |
| 55 | static void java_demangled_signature_copy (char *, char *); |
| 56 | |
| 57 | static struct symtab *get_java_class_symtab (void); |
| 58 | static char *get_java_utf8_name (struct obstack *obstack, struct value *name); |
| 59 | static int java_class_is_primitive (struct value *clas); |
| 60 | static struct type *java_lookup_type (char *signature); |
| 61 | static struct value *java_value_string (char *ptr, int len); |
| 62 | |
| 63 | static void java_emit_char (int c, struct ui_file * stream, int quoter); |
| 64 | |
| 65 | /* This objfile contains symtabs that have been dynamically created |
| 66 | to record dynamically loaded Java classes and dynamically |
| 67 | compiled java methods. */ |
| 68 | |
| 69 | static struct objfile *dynamics_objfile = NULL; |
| 70 | |
| 71 | static struct type *java_link_class_type (struct type *, struct value *); |
| 72 | |
| 73 | /* FIXME: carlton/2003-02-04: This is the main or only caller of |
| 74 | allocate_objfile with first argument NULL; as a result, this code |
| 75 | breaks every so often. Somebody should write a test case that |
| 76 | exercises GDB in various ways (e.g. something involving loading a |
| 77 | dynamic library) after this code has been called. */ |
| 78 | |
| 79 | static struct objfile * |
| 80 | get_dynamics_objfile (void) |
| 81 | { |
| 82 | if (dynamics_objfile == NULL) |
| 83 | { |
| 84 | dynamics_objfile = allocate_objfile (NULL, 0); |
| 85 | } |
| 86 | return dynamics_objfile; |
| 87 | } |
| 88 | |
| 89 | #if 1 |
| 90 | /* symtab contains classes read from the inferior. */ |
| 91 | |
| 92 | static struct symtab *class_symtab = NULL; |
| 93 | |
| 94 | /* Maximum number of class in class_symtab before relocation is needed. */ |
| 95 | |
| 96 | static int class_symtab_space; |
| 97 | |
| 98 | static struct symtab * |
| 99 | get_java_class_symtab (void) |
| 100 | { |
| 101 | if (class_symtab == NULL) |
| 102 | { |
| 103 | struct objfile *objfile = get_dynamics_objfile (); |
| 104 | struct blockvector *bv; |
| 105 | struct block *bl; |
| 106 | class_symtab = allocate_symtab ("<java-classes>", objfile); |
| 107 | class_symtab->language = language_java; |
| 108 | bv = (struct blockvector *) |
| 109 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct blockvector)); |
| 110 | BLOCKVECTOR_NBLOCKS (bv) = 1; |
| 111 | BLOCKVECTOR (class_symtab) = bv; |
| 112 | |
| 113 | /* Allocate dummy STATIC_BLOCK. */ |
| 114 | bl = (struct block *) |
| 115 | obstack_alloc (&objfile->symbol_obstack, sizeof (struct block)); |
| 116 | BLOCK_NSYMS (bl) = 0; |
| 117 | BLOCK_HASHTABLE (bl) = 0; |
| 118 | BLOCK_START (bl) = 0; |
| 119 | BLOCK_END (bl) = 0; |
| 120 | BLOCK_FUNCTION (bl) = NULL; |
| 121 | BLOCK_SUPERBLOCK (bl) = NULL; |
| 122 | BLOCK_NAMESPACE (bl) = NULL; |
| 123 | BLOCK_GCC_COMPILED (bl) = 0; |
| 124 | BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK) = bl; |
| 125 | |
| 126 | /* Allocate GLOBAL_BLOCK. This has to be relocatable. */ |
| 127 | class_symtab_space = 128; |
| 128 | bl = xmmalloc (objfile->md, |
| 129 | sizeof (struct block) |
| 130 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); |
| 131 | *bl = *BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK); |
| 132 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; |
| 133 | class_symtab->free_ptr = (char *) bl; |
| 134 | } |
| 135 | return class_symtab; |
| 136 | } |
| 137 | |
| 138 | static void |
| 139 | add_class_symtab_symbol (struct symbol *sym) |
| 140 | { |
| 141 | struct symtab *symtab = get_java_class_symtab (); |
| 142 | struct blockvector *bv = BLOCKVECTOR (symtab); |
| 143 | struct block *bl = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK); |
| 144 | if (BLOCK_NSYMS (bl) >= class_symtab_space) |
| 145 | { |
| 146 | /* Need to re-allocate. */ |
| 147 | class_symtab_space *= 2; |
| 148 | bl = xmrealloc (symtab->objfile->md, bl, |
| 149 | sizeof (struct block) |
| 150 | + ((class_symtab_space - 1) * sizeof (struct symbol *))); |
| 151 | class_symtab->free_ptr = (char *) bl; |
| 152 | BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK) = bl; |
| 153 | } |
| 154 | |
| 155 | BLOCK_SYM (bl, BLOCK_NSYMS (bl)) = sym; |
| 156 | BLOCK_NSYMS (bl) = BLOCK_NSYMS (bl) + 1; |
| 157 | } |
| 158 | |
| 159 | static struct symbol *add_class_symbol (struct type *type, CORE_ADDR addr); |
| 160 | |
| 161 | static struct symbol * |
| 162 | add_class_symbol (struct type *type, CORE_ADDR addr) |
| 163 | { |
| 164 | struct symbol *sym; |
| 165 | sym = (struct symbol *) |
| 166 | obstack_alloc (&dynamics_objfile->symbol_obstack, sizeof (struct symbol)); |
| 167 | memset (sym, 0, sizeof (struct symbol)); |
| 168 | SYMBOL_LANGUAGE (sym) = language_java; |
| 169 | DEPRECATED_SYMBOL_NAME (sym) = TYPE_TAG_NAME (type); |
| 170 | SYMBOL_CLASS (sym) = LOC_TYPEDEF; |
| 171 | /* SYMBOL_VALUE (sym) = valu; */ |
| 172 | SYMBOL_TYPE (sym) = type; |
| 173 | SYMBOL_DOMAIN (sym) = STRUCT_DOMAIN; |
| 174 | SYMBOL_VALUE_ADDRESS (sym) = addr; |
| 175 | return sym; |
| 176 | } |
| 177 | #endif |
| 178 | |
| 179 | struct type * |
| 180 | java_lookup_class (char *name) |
| 181 | { |
| 182 | struct symbol *sym; |
| 183 | sym = lookup_symbol (name, expression_context_block, STRUCT_DOMAIN, |
| 184 | (int *) 0, (struct symtab **) NULL); |
| 185 | if (sym != NULL) |
| 186 | return SYMBOL_TYPE (sym); |
| 187 | #if 0 |
| 188 | CORE_ADDR addr; |
| 189 | if (called from parser) |
| 190 | { |
| 191 | call lookup_class (or similar) in inferior; |
| 192 | if not |
| 193 | found: |
| 194 | return NULL; |
| 195 | addr = found in inferior; |
| 196 | } |
| 197 | else |
| 198 | addr = 0; |
| 199 | struct type *type; |
| 200 | type = alloc_type (objfile); |
| 201 | TYPE_CODE (type) = TYPE_CODE_STRUCT; |
| 202 | INIT_CPLUS_SPECIFIC (type); |
| 203 | TYPE_TAG_NAME (type) = obsavestring (name, strlen (name), &objfile->type_obstack); |
| 204 | TYPE_FLAGS (type) |= TYPE_FLAG_STUB; |
| 205 | TYPE ? = addr; |
| 206 | return type; |
| 207 | #else |
| 208 | /* FIXME - should search inferior's symbol table. */ |
| 209 | return NULL; |
| 210 | #endif |
| 211 | } |
| 212 | |
| 213 | /* Return a nul-terminated string (allocated on OBSTACK) for |
| 214 | a name given by NAME (which has type Utf8Const*). */ |
| 215 | |
| 216 | char * |
| 217 | get_java_utf8_name (struct obstack *obstack, struct value *name) |
| 218 | { |
| 219 | char *chrs; |
| 220 | struct value *temp = name; |
| 221 | int name_length; |
| 222 | CORE_ADDR data_addr; |
| 223 | temp = value_struct_elt (&temp, NULL, "length", NULL, "structure"); |
| 224 | name_length = (int) value_as_long (temp); |
| 225 | data_addr = VALUE_ADDRESS (temp) + VALUE_OFFSET (temp) |
| 226 | + TYPE_LENGTH (VALUE_TYPE (temp)); |
| 227 | chrs = obstack_alloc (obstack, name_length + 1); |
| 228 | chrs[name_length] = '\0'; |
| 229 | read_memory (data_addr, chrs, name_length); |
| 230 | return chrs; |
| 231 | } |
| 232 | |
| 233 | struct value * |
| 234 | java_class_from_object (struct value *obj_val) |
| 235 | { |
| 236 | /* This is all rather inefficient, since the offsets of vtable and |
| 237 | class are fixed. FIXME */ |
| 238 | struct value *vtable_val; |
| 239 | |
| 240 | if (TYPE_CODE (VALUE_TYPE (obj_val)) == TYPE_CODE_PTR |
| 241 | && TYPE_LENGTH (TYPE_TARGET_TYPE (VALUE_TYPE (obj_val))) == 0) |
| 242 | obj_val = value_at (get_java_object_type (), |
| 243 | value_as_address (obj_val), NULL); |
| 244 | |
| 245 | vtable_val = value_struct_elt (&obj_val, NULL, "vtable", NULL, "structure"); |
| 246 | return value_struct_elt (&vtable_val, NULL, "class", NULL, "structure"); |
| 247 | } |
| 248 | |
| 249 | /* Check if CLASS_IS_PRIMITIVE(value of clas): */ |
| 250 | static int |
| 251 | java_class_is_primitive (struct value *clas) |
| 252 | { |
| 253 | struct value *vtable = value_struct_elt (&clas, NULL, "vtable", NULL, "struct"); |
| 254 | CORE_ADDR i = value_as_address (vtable); |
| 255 | return (int) (i & 0x7fffffff) == (int) 0x7fffffff; |
| 256 | } |
| 257 | |
| 258 | /* Read a GCJ Class object, and generated a gdb (TYPE_CODE_STRUCT) type. */ |
| 259 | |
| 260 | struct type * |
| 261 | type_from_class (struct value *clas) |
| 262 | { |
| 263 | struct type *type; |
| 264 | char *name; |
| 265 | struct value *temp; |
| 266 | struct objfile *objfile; |
| 267 | struct value *utf8_name; |
| 268 | char *nptr; |
| 269 | CORE_ADDR addr; |
| 270 | struct block *bl; |
| 271 | int i; |
| 272 | int is_array = 0; |
| 273 | |
| 274 | type = check_typedef (VALUE_TYPE (clas)); |
| 275 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
| 276 | { |
| 277 | if (value_logical_not (clas)) |
| 278 | return NULL; |
| 279 | clas = value_ind (clas); |
| 280 | } |
| 281 | addr = VALUE_ADDRESS (clas) + VALUE_OFFSET (clas); |
| 282 | |
| 283 | #if 0 |
| 284 | get_java_class_symtab (); |
| 285 | bl = BLOCKVECTOR_BLOCK (BLOCKVECTOR (class_symtab), GLOBAL_BLOCK); |
| 286 | for (i = BLOCK_NSYMS (bl); --i >= 0;) |
| 287 | { |
| 288 | struct symbol *sym = BLOCK_SYM (bl, i); |
| 289 | if (SYMBOL_VALUE_ADDRESS (sym) == addr) |
| 290 | return SYMBOL_TYPE (sym); |
| 291 | } |
| 292 | #endif |
| 293 | |
| 294 | objfile = get_dynamics_objfile (); |
| 295 | if (java_class_is_primitive (clas)) |
| 296 | { |
| 297 | struct value *sig; |
| 298 | temp = clas; |
| 299 | sig = value_struct_elt (&temp, NULL, "method_count", NULL, "structure"); |
| 300 | return java_primitive_type (value_as_long (sig)); |
| 301 | } |
| 302 | |
| 303 | /* Get Class name. */ |
| 304 | /* if clasloader non-null, prepend loader address. FIXME */ |
| 305 | temp = clas; |
| 306 | utf8_name = value_struct_elt (&temp, NULL, "name", NULL, "structure"); |
| 307 | name = get_java_utf8_name (&objfile->type_obstack, utf8_name); |
| 308 | for (nptr = name; *nptr != 0; nptr++) |
| 309 | { |
| 310 | if (*nptr == '/') |
| 311 | *nptr = '.'; |
| 312 | } |
| 313 | |
| 314 | type = java_lookup_class (name); |
| 315 | if (type != NULL) |
| 316 | return type; |
| 317 | |
| 318 | type = alloc_type (objfile); |
| 319 | TYPE_CODE (type) = TYPE_CODE_STRUCT; |
| 320 | INIT_CPLUS_SPECIFIC (type); |
| 321 | |
| 322 | if (name[0] == '[') |
| 323 | { |
| 324 | char *signature = name; |
| 325 | int namelen = java_demangled_signature_length (signature); |
| 326 | if (namelen > strlen (name)) |
| 327 | name = obstack_alloc (&objfile->type_obstack, namelen + 1); |
| 328 | java_demangled_signature_copy (name, signature); |
| 329 | name[namelen] = '\0'; |
| 330 | is_array = 1; |
| 331 | temp = clas; |
| 332 | /* Set array element type. */ |
| 333 | temp = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); |
| 334 | VALUE_TYPE (temp) = lookup_pointer_type (VALUE_TYPE (clas)); |
| 335 | TYPE_TARGET_TYPE (type) = type_from_class (temp); |
| 336 | } |
| 337 | |
| 338 | ALLOCATE_CPLUS_STRUCT_TYPE (type); |
| 339 | TYPE_TAG_NAME (type) = name; |
| 340 | |
| 341 | add_class_symtab_symbol (add_class_symbol (type, addr)); |
| 342 | return java_link_class_type (type, clas); |
| 343 | } |
| 344 | |
| 345 | /* Fill in class TYPE with data from the CLAS value. */ |
| 346 | |
| 347 | struct type * |
| 348 | java_link_class_type (struct type *type, struct value *clas) |
| 349 | { |
| 350 | struct value *temp; |
| 351 | char *unqualified_name; |
| 352 | char *name = TYPE_TAG_NAME (type); |
| 353 | int ninterfaces, nfields, nmethods; |
| 354 | int type_is_object = 0; |
| 355 | struct fn_field *fn_fields; |
| 356 | struct fn_fieldlist *fn_fieldlists; |
| 357 | struct value *fields; |
| 358 | struct value *methods; |
| 359 | struct value *method = NULL; |
| 360 | struct value *field = NULL; |
| 361 | int i, j; |
| 362 | struct objfile *objfile = get_dynamics_objfile (); |
| 363 | struct type *tsuper; |
| 364 | |
| 365 | unqualified_name = strrchr (name, '.'); |
| 366 | if (unqualified_name == NULL) |
| 367 | unqualified_name = name; |
| 368 | |
| 369 | temp = clas; |
| 370 | temp = value_struct_elt (&temp, NULL, "superclass", NULL, "structure"); |
| 371 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) |
| 372 | { |
| 373 | tsuper = get_java_object_type (); |
| 374 | if (tsuper && TYPE_CODE (tsuper) == TYPE_CODE_PTR) |
| 375 | tsuper = TYPE_TARGET_TYPE (tsuper); |
| 376 | type_is_object = 1; |
| 377 | } |
| 378 | else |
| 379 | tsuper = type_from_class (temp); |
| 380 | |
| 381 | #if 1 |
| 382 | ninterfaces = 0; |
| 383 | #else |
| 384 | temp = clas; |
| 385 | ninterfaces = value_as_long (value_struct_elt (&temp, NULL, "interface_len", NULL, "structure")); |
| 386 | #endif |
| 387 | TYPE_N_BASECLASSES (type) = (tsuper == NULL ? 0 : 1) + ninterfaces; |
| 388 | temp = clas; |
| 389 | nfields = value_as_long (value_struct_elt (&temp, NULL, "field_count", NULL, "structure")); |
| 390 | nfields += TYPE_N_BASECLASSES (type); |
| 391 | nfields++; /* Add one for dummy "class" field. */ |
| 392 | TYPE_NFIELDS (type) = nfields; |
| 393 | TYPE_FIELDS (type) = (struct field *) |
| 394 | TYPE_ALLOC (type, sizeof (struct field) * nfields); |
| 395 | |
| 396 | memset (TYPE_FIELDS (type), 0, sizeof (struct field) * nfields); |
| 397 | |
| 398 | TYPE_FIELD_PRIVATE_BITS (type) = |
| 399 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); |
| 400 | B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields); |
| 401 | |
| 402 | TYPE_FIELD_PROTECTED_BITS (type) = |
| 403 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); |
| 404 | B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields); |
| 405 | |
| 406 | TYPE_FIELD_IGNORE_BITS (type) = |
| 407 | (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields)); |
| 408 | B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields); |
| 409 | |
| 410 | TYPE_FIELD_VIRTUAL_BITS (type) = (B_TYPE *) |
| 411 | TYPE_ALLOC (type, B_BYTES (TYPE_N_BASECLASSES (type))); |
| 412 | B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), TYPE_N_BASECLASSES (type)); |
| 413 | |
| 414 | if (tsuper != NULL) |
| 415 | { |
| 416 | TYPE_BASECLASS (type, 0) = tsuper; |
| 417 | if (type_is_object) |
| 418 | SET_TYPE_FIELD_PRIVATE (type, 0); |
| 419 | } |
| 420 | |
| 421 | i = strlen (name); |
| 422 | if (i > 2 && name[i - 1] == ']' && tsuper != NULL) |
| 423 | { |
| 424 | /* FIXME */ |
| 425 | TYPE_LENGTH (type) = TYPE_LENGTH (tsuper) + 4; /* size with "length" */ |
| 426 | } |
| 427 | else |
| 428 | { |
| 429 | temp = clas; |
| 430 | temp = value_struct_elt (&temp, NULL, "size_in_bytes", NULL, "structure"); |
| 431 | TYPE_LENGTH (type) = value_as_long (temp); |
| 432 | } |
| 433 | |
| 434 | fields = NULL; |
| 435 | nfields--; /* First set up dummy "class" field. */ |
| 436 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, nfields), |
| 437 | VALUE_ADDRESS (clas) + VALUE_OFFSET (clas)); |
| 438 | TYPE_FIELD_NAME (type, nfields) = "class"; |
| 439 | TYPE_FIELD_TYPE (type, nfields) = VALUE_TYPE (clas); |
| 440 | SET_TYPE_FIELD_PRIVATE (type, nfields); |
| 441 | |
| 442 | for (i = TYPE_N_BASECLASSES (type); i < nfields; i++) |
| 443 | { |
| 444 | int accflags; |
| 445 | int boffset; |
| 446 | if (fields == NULL) |
| 447 | { |
| 448 | temp = clas; |
| 449 | fields = value_struct_elt (&temp, NULL, "fields", NULL, "structure"); |
| 450 | field = value_ind (fields); |
| 451 | } |
| 452 | else |
| 453 | { /* Re-use field value for next field. */ |
| 454 | VALUE_ADDRESS (field) += TYPE_LENGTH (VALUE_TYPE (field)); |
| 455 | VALUE_LAZY (field) = 1; |
| 456 | } |
| 457 | temp = field; |
| 458 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); |
| 459 | TYPE_FIELD_NAME (type, i) = |
| 460 | get_java_utf8_name (&objfile->type_obstack, temp); |
| 461 | temp = field; |
| 462 | accflags = value_as_long (value_struct_elt (&temp, NULL, "accflags", |
| 463 | NULL, "structure")); |
| 464 | temp = field; |
| 465 | temp = value_struct_elt (&temp, NULL, "info", NULL, "structure"); |
| 466 | boffset = value_as_long (value_struct_elt (&temp, NULL, "boffset", |
| 467 | NULL, "structure")); |
| 468 | if (accflags & 0x0001) /* public access */ |
| 469 | { |
| 470 | /* ??? */ |
| 471 | } |
| 472 | if (accflags & 0x0002) /* private access */ |
| 473 | { |
| 474 | SET_TYPE_FIELD_PRIVATE (type, i); |
| 475 | } |
| 476 | if (accflags & 0x0004) /* protected access */ |
| 477 | { |
| 478 | SET_TYPE_FIELD_PROTECTED (type, i); |
| 479 | } |
| 480 | if (accflags & 0x0008) /* ACC_STATIC */ |
| 481 | SET_FIELD_PHYSADDR (TYPE_FIELD (type, i), boffset); |
| 482 | else |
| 483 | TYPE_FIELD_BITPOS (type, i) = 8 * boffset; |
| 484 | if (accflags & 0x8000) /* FIELD_UNRESOLVED_FLAG */ |
| 485 | { |
| 486 | TYPE_FIELD_TYPE (type, i) = get_java_object_type (); /* FIXME */ |
| 487 | } |
| 488 | else |
| 489 | { |
| 490 | struct type *ftype; |
| 491 | temp = field; |
| 492 | temp = value_struct_elt (&temp, NULL, "type", NULL, "structure"); |
| 493 | ftype = type_from_class (temp); |
| 494 | if (TYPE_CODE (ftype) == TYPE_CODE_STRUCT) |
| 495 | ftype = lookup_pointer_type (ftype); |
| 496 | TYPE_FIELD_TYPE (type, i) = ftype; |
| 497 | } |
| 498 | } |
| 499 | |
| 500 | temp = clas; |
| 501 | nmethods = value_as_long (value_struct_elt (&temp, NULL, "method_count", |
| 502 | NULL, "structure")); |
| 503 | TYPE_NFN_FIELDS_TOTAL (type) = nmethods; |
| 504 | j = nmethods * sizeof (struct fn_field); |
| 505 | fn_fields = (struct fn_field *) |
| 506 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
| 507 | memset (fn_fields, 0, j); |
| 508 | fn_fieldlists = (struct fn_fieldlist *) |
| 509 | alloca (nmethods * sizeof (struct fn_fieldlist)); |
| 510 | |
| 511 | methods = NULL; |
| 512 | for (i = 0; i < nmethods; i++) |
| 513 | { |
| 514 | char *mname; |
| 515 | int k; |
| 516 | if (methods == NULL) |
| 517 | { |
| 518 | temp = clas; |
| 519 | methods = value_struct_elt (&temp, NULL, "methods", NULL, "structure"); |
| 520 | method = value_ind (methods); |
| 521 | } |
| 522 | else |
| 523 | { /* Re-use method value for next method. */ |
| 524 | VALUE_ADDRESS (method) += TYPE_LENGTH (VALUE_TYPE (method)); |
| 525 | VALUE_LAZY (method) = 1; |
| 526 | } |
| 527 | |
| 528 | /* Get method name. */ |
| 529 | temp = method; |
| 530 | temp = value_struct_elt (&temp, NULL, "name", NULL, "structure"); |
| 531 | mname = get_java_utf8_name (&objfile->type_obstack, temp); |
| 532 | if (strcmp (mname, "<init>") == 0) |
| 533 | mname = unqualified_name; |
| 534 | |
| 535 | /* Check for an existing method with the same name. |
| 536 | * This makes building the fn_fieldslists an O(nmethods**2) |
| 537 | * operation. That could be using hashing, but I doubt it |
| 538 | * is worth it. Note that we do maintain the order of methods |
| 539 | * in the inferior's Method table (as long as that is grouped |
| 540 | * by method name), which I think is desirable. --PB */ |
| 541 | for (k = 0, j = TYPE_NFN_FIELDS (type);;) |
| 542 | { |
| 543 | if (--j < 0) |
| 544 | { /* No match - new method name. */ |
| 545 | j = TYPE_NFN_FIELDS (type)++; |
| 546 | fn_fieldlists[j].name = mname; |
| 547 | fn_fieldlists[j].length = 1; |
| 548 | fn_fieldlists[j].fn_fields = &fn_fields[i]; |
| 549 | k = i; |
| 550 | break; |
| 551 | } |
| 552 | if (strcmp (mname, fn_fieldlists[j].name) == 0) |
| 553 | { /* Found an existing method with the same name. */ |
| 554 | int l; |
| 555 | if (mname != unqualified_name) |
| 556 | obstack_free (&objfile->type_obstack, mname); |
| 557 | mname = fn_fieldlists[j].name; |
| 558 | fn_fieldlists[j].length++; |
| 559 | k = i - k; /* Index of new slot. */ |
| 560 | /* Shift intervening fn_fields (between k and i) down. */ |
| 561 | for (l = i; l > k; l--) |
| 562 | fn_fields[l] = fn_fields[l - 1]; |
| 563 | for (l = TYPE_NFN_FIELDS (type); --l > j;) |
| 564 | fn_fieldlists[l].fn_fields++; |
| 565 | break; |
| 566 | } |
| 567 | k += fn_fieldlists[j].length; |
| 568 | } |
| 569 | fn_fields[k].physname = ""; |
| 570 | fn_fields[k].is_stub = 1; |
| 571 | fn_fields[k].type = make_function_type (java_void_type, NULL); /* FIXME */ |
| 572 | TYPE_CODE (fn_fields[k].type) = TYPE_CODE_METHOD; |
| 573 | } |
| 574 | |
| 575 | j = TYPE_NFN_FIELDS (type) * sizeof (struct fn_fieldlist); |
| 576 | TYPE_FN_FIELDLISTS (type) = (struct fn_fieldlist *) |
| 577 | obstack_alloc (&dynamics_objfile->symbol_obstack, j); |
| 578 | memcpy (TYPE_FN_FIELDLISTS (type), fn_fieldlists, j); |
| 579 | |
| 580 | return type; |
| 581 | } |
| 582 | |
| 583 | static struct type *java_object_type; |
| 584 | |
| 585 | struct type * |
| 586 | get_java_object_type (void) |
| 587 | { |
| 588 | if (java_object_type == NULL) |
| 589 | { |
| 590 | struct symbol *sym; |
| 591 | sym = lookup_symbol ("java.lang.Object", NULL, STRUCT_DOMAIN, |
| 592 | (int *) 0, (struct symtab **) NULL); |
| 593 | if (sym == NULL) |
| 594 | error ("cannot find java.lang.Object"); |
| 595 | java_object_type = SYMBOL_TYPE (sym); |
| 596 | } |
| 597 | return java_object_type; |
| 598 | } |
| 599 | |
| 600 | int |
| 601 | get_java_object_header_size (void) |
| 602 | { |
| 603 | struct type *objtype = get_java_object_type (); |
| 604 | if (objtype == NULL) |
| 605 | return (2 * TARGET_PTR_BIT / TARGET_CHAR_BIT); |
| 606 | else |
| 607 | return TYPE_LENGTH (objtype); |
| 608 | } |
| 609 | |
| 610 | int |
| 611 | is_object_type (struct type *type) |
| 612 | { |
| 613 | CHECK_TYPEDEF (type); |
| 614 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
| 615 | { |
| 616 | struct type *ttype = check_typedef (TYPE_TARGET_TYPE (type)); |
| 617 | char *name; |
| 618 | if (TYPE_CODE (ttype) != TYPE_CODE_STRUCT) |
| 619 | return 0; |
| 620 | while (TYPE_N_BASECLASSES (ttype) > 0) |
| 621 | ttype = TYPE_BASECLASS (ttype, 0); |
| 622 | name = TYPE_TAG_NAME (ttype); |
| 623 | if (name != NULL && strcmp (name, "java.lang.Object") == 0) |
| 624 | return 1; |
| 625 | name = TYPE_NFIELDS (ttype) > 0 ? TYPE_FIELD_NAME (ttype, 0) : (char *) 0; |
| 626 | if (name != NULL && strcmp (name, "vtable") == 0) |
| 627 | { |
| 628 | if (java_object_type == NULL) |
| 629 | java_object_type = type; |
| 630 | return 1; |
| 631 | } |
| 632 | } |
| 633 | return 0; |
| 634 | } |
| 635 | |
| 636 | struct type * |
| 637 | java_primitive_type (int signature) |
| 638 | { |
| 639 | switch (signature) |
| 640 | { |
| 641 | case 'B': |
| 642 | return java_byte_type; |
| 643 | case 'S': |
| 644 | return java_short_type; |
| 645 | case 'I': |
| 646 | return java_int_type; |
| 647 | case 'J': |
| 648 | return java_long_type; |
| 649 | case 'Z': |
| 650 | return java_boolean_type; |
| 651 | case 'C': |
| 652 | return java_char_type; |
| 653 | case 'F': |
| 654 | return java_float_type; |
| 655 | case 'D': |
| 656 | return java_double_type; |
| 657 | case 'V': |
| 658 | return java_void_type; |
| 659 | } |
| 660 | error ("unknown signature '%c' for primitive type", (char) signature); |
| 661 | } |
| 662 | |
| 663 | /* If name[0 .. namelen-1] is the name of a primitive Java type, |
| 664 | return that type. Otherwise, return NULL. */ |
| 665 | |
| 666 | struct type * |
| 667 | java_primitive_type_from_name (char *name, int namelen) |
| 668 | { |
| 669 | switch (name[0]) |
| 670 | { |
| 671 | case 'b': |
| 672 | if (namelen == 4 && memcmp (name, "byte", 4) == 0) |
| 673 | return java_byte_type; |
| 674 | if (namelen == 7 && memcmp (name, "boolean", 7) == 0) |
| 675 | return java_boolean_type; |
| 676 | break; |
| 677 | case 'c': |
| 678 | if (namelen == 4 && memcmp (name, "char", 4) == 0) |
| 679 | return java_char_type; |
| 680 | case 'd': |
| 681 | if (namelen == 6 && memcmp (name, "double", 6) == 0) |
| 682 | return java_double_type; |
| 683 | break; |
| 684 | case 'f': |
| 685 | if (namelen == 5 && memcmp (name, "float", 5) == 0) |
| 686 | return java_float_type; |
| 687 | break; |
| 688 | case 'i': |
| 689 | if (namelen == 3 && memcmp (name, "int", 3) == 0) |
| 690 | return java_int_type; |
| 691 | break; |
| 692 | case 'l': |
| 693 | if (namelen == 4 && memcmp (name, "long", 4) == 0) |
| 694 | return java_long_type; |
| 695 | break; |
| 696 | case 's': |
| 697 | if (namelen == 5 && memcmp (name, "short", 5) == 0) |
| 698 | return java_short_type; |
| 699 | break; |
| 700 | case 'v': |
| 701 | if (namelen == 4 && memcmp (name, "void", 4) == 0) |
| 702 | return java_void_type; |
| 703 | break; |
| 704 | } |
| 705 | return NULL; |
| 706 | } |
| 707 | |
| 708 | /* Return the length (in bytes) of demangled name of the Java type |
| 709 | signature string SIGNATURE. */ |
| 710 | |
| 711 | static int |
| 712 | java_demangled_signature_length (char *signature) |
| 713 | { |
| 714 | int array = 0; |
| 715 | for (; *signature == '['; signature++) |
| 716 | array += 2; /* Two chars for "[]". */ |
| 717 | switch (signature[0]) |
| 718 | { |
| 719 | case 'L': |
| 720 | /* Subtract 2 for 'L' and ';'. */ |
| 721 | return strlen (signature) - 2 + array; |
| 722 | default: |
| 723 | return strlen (TYPE_NAME (java_primitive_type (signature[0]))) + array; |
| 724 | } |
| 725 | } |
| 726 | |
| 727 | /* Demangle the Java type signature SIGNATURE, leaving the result in RESULT. */ |
| 728 | |
| 729 | static void |
| 730 | java_demangled_signature_copy (char *result, char *signature) |
| 731 | { |
| 732 | int array = 0; |
| 733 | char *ptr; |
| 734 | int i; |
| 735 | while (*signature == '[') |
| 736 | { |
| 737 | array++; |
| 738 | signature++; |
| 739 | } |
| 740 | switch (signature[0]) |
| 741 | { |
| 742 | case 'L': |
| 743 | /* Subtract 2 for 'L' and ';', but add 1 for final nul. */ |
| 744 | signature++; |
| 745 | ptr = result; |
| 746 | for (; *signature != ';' && *signature != '\0'; signature++) |
| 747 | { |
| 748 | if (*signature == '/') |
| 749 | *ptr++ = '.'; |
| 750 | else |
| 751 | *ptr++ = *signature; |
| 752 | } |
| 753 | break; |
| 754 | default: |
| 755 | ptr = TYPE_NAME (java_primitive_type (signature[0])); |
| 756 | i = strlen (ptr); |
| 757 | strcpy (result, ptr); |
| 758 | ptr = result + i; |
| 759 | break; |
| 760 | } |
| 761 | while (--array >= 0) |
| 762 | { |
| 763 | *ptr++ = '['; |
| 764 | *ptr++ = ']'; |
| 765 | } |
| 766 | } |
| 767 | |
| 768 | /* Return the demangled name of the Java type signature string SIGNATURE, |
| 769 | as a freshly allocated copy. */ |
| 770 | |
| 771 | char * |
| 772 | java_demangle_type_signature (char *signature) |
| 773 | { |
| 774 | int length = java_demangled_signature_length (signature); |
| 775 | char *result = xmalloc (length + 1); |
| 776 | java_demangled_signature_copy (result, signature); |
| 777 | result[length] = '\0'; |
| 778 | return result; |
| 779 | } |
| 780 | |
| 781 | struct type * |
| 782 | java_lookup_type (char *signature) |
| 783 | { |
| 784 | switch (signature[0]) |
| 785 | { |
| 786 | case 'L': |
| 787 | case '[': |
| 788 | error ("java_lookup_type not fully implemented"); |
| 789 | default: |
| 790 | return java_primitive_type (signature[0]); |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | /* Return the type of TYPE followed by DIMS pairs of [ ]. |
| 795 | If DIMS == 0, TYPE is returned. */ |
| 796 | |
| 797 | struct type * |
| 798 | java_array_type (struct type *type, int dims) |
| 799 | { |
| 800 | struct type *range_type; |
| 801 | |
| 802 | while (dims-- > 0) |
| 803 | { |
| 804 | range_type = create_range_type (NULL, builtin_type_int, 0, 0); |
| 805 | /* FIXME This is bogus! Java arrays are not gdb arrays! */ |
| 806 | type = create_array_type (NULL, type, range_type); |
| 807 | } |
| 808 | |
| 809 | return type; |
| 810 | } |
| 811 | |
| 812 | /* Create a Java string in the inferior from a (Utf8) literal. */ |
| 813 | |
| 814 | static struct value * |
| 815 | java_value_string (char *ptr, int len) |
| 816 | { |
| 817 | error ("not implemented - java_value_string"); /* FIXME */ |
| 818 | } |
| 819 | |
| 820 | /* Print the character C on STREAM as part of the contents of a literal |
| 821 | string whose delimiter is QUOTER. Note that that format for printing |
| 822 | characters and strings is language specific. */ |
| 823 | |
| 824 | static void |
| 825 | java_emit_char (int c, struct ui_file *stream, int quoter) |
| 826 | { |
| 827 | switch (c) |
| 828 | { |
| 829 | case '\\': |
| 830 | case '\'': |
| 831 | fprintf_filtered (stream, "\\%c", c); |
| 832 | break; |
| 833 | case '\b': |
| 834 | fputs_filtered ("\\b", stream); |
| 835 | break; |
| 836 | case '\t': |
| 837 | fputs_filtered ("\\t", stream); |
| 838 | break; |
| 839 | case '\n': |
| 840 | fputs_filtered ("\\n", stream); |
| 841 | break; |
| 842 | case '\f': |
| 843 | fputs_filtered ("\\f", stream); |
| 844 | break; |
| 845 | case '\r': |
| 846 | fputs_filtered ("\\r", stream); |
| 847 | break; |
| 848 | default: |
| 849 | if (isprint (c)) |
| 850 | fputc_filtered (c, stream); |
| 851 | else |
| 852 | fprintf_filtered (stream, "\\u%.4x", (unsigned int) c); |
| 853 | break; |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | static struct value * |
| 858 | evaluate_subexp_java (struct type *expect_type, register struct expression *exp, |
| 859 | register int *pos, enum noside noside) |
| 860 | { |
| 861 | int pc = *pos; |
| 862 | int i; |
| 863 | char *name; |
| 864 | enum exp_opcode op = exp->elts[*pos].opcode; |
| 865 | struct value *arg1; |
| 866 | struct value *arg2; |
| 867 | struct type *type; |
| 868 | switch (op) |
| 869 | { |
| 870 | case UNOP_IND: |
| 871 | if (noside == EVAL_SKIP) |
| 872 | goto standard; |
| 873 | (*pos)++; |
| 874 | arg1 = evaluate_subexp_java (NULL_TYPE, exp, pos, EVAL_NORMAL); |
| 875 | if (is_object_type (VALUE_TYPE (arg1))) |
| 876 | { |
| 877 | struct type *type; |
| 878 | |
| 879 | type = type_from_class (java_class_from_object (arg1)); |
| 880 | arg1 = value_cast (lookup_pointer_type (type), arg1); |
| 881 | } |
| 882 | if (noside == EVAL_SKIP) |
| 883 | goto nosideret; |
| 884 | return value_ind (arg1); |
| 885 | |
| 886 | case BINOP_SUBSCRIPT: |
| 887 | (*pos)++; |
| 888 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); |
| 889 | arg2 = evaluate_subexp_with_coercion (exp, pos, noside); |
| 890 | if (noside == EVAL_SKIP) |
| 891 | goto nosideret; |
| 892 | /* If the user attempts to subscript something that is not an |
| 893 | array or pointer type (like a plain int variable for example), |
| 894 | then report this as an error. */ |
| 895 | |
| 896 | COERCE_REF (arg1); |
| 897 | type = check_typedef (VALUE_TYPE (arg1)); |
| 898 | if (TYPE_CODE (type) == TYPE_CODE_PTR) |
| 899 | type = check_typedef (TYPE_TARGET_TYPE (type)); |
| 900 | name = TYPE_NAME (type); |
| 901 | if (name == NULL) |
| 902 | name = TYPE_TAG_NAME (type); |
| 903 | i = name == NULL ? 0 : strlen (name); |
| 904 | if (TYPE_CODE (type) == TYPE_CODE_STRUCT |
| 905 | && i > 2 && name[i - 1] == ']') |
| 906 | { |
| 907 | CORE_ADDR address; |
| 908 | long length, index; |
| 909 | struct type *el_type; |
| 910 | char buf4[4]; |
| 911 | |
| 912 | struct value *clas = java_class_from_object (arg1); |
| 913 | struct value *temp = clas; |
| 914 | /* Get CLASS_ELEMENT_TYPE of the array type. */ |
| 915 | temp = value_struct_elt (&temp, NULL, "methods", |
| 916 | NULL, "structure"); |
| 917 | VALUE_TYPE (temp) = VALUE_TYPE (clas); |
| 918 | el_type = type_from_class (temp); |
| 919 | if (TYPE_CODE (el_type) == TYPE_CODE_STRUCT) |
| 920 | el_type = lookup_pointer_type (el_type); |
| 921 | |
| 922 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 923 | return value_zero (el_type, VALUE_LVAL (arg1)); |
| 924 | address = value_as_address (arg1); |
| 925 | address += JAVA_OBJECT_SIZE; |
| 926 | read_memory (address, buf4, 4); |
| 927 | length = (long) extract_signed_integer (buf4, 4); |
| 928 | index = (long) value_as_long (arg2); |
| 929 | if (index >= length || index < 0) |
| 930 | error ("array index (%ld) out of bounds (length: %ld)", |
| 931 | index, length); |
| 932 | address = (address + 4) + index * TYPE_LENGTH (el_type); |
| 933 | return value_at (el_type, address, NULL); |
| 934 | } |
| 935 | else if (TYPE_CODE (type) == TYPE_CODE_ARRAY) |
| 936 | { |
| 937 | if (noside == EVAL_AVOID_SIDE_EFFECTS) |
| 938 | return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1)); |
| 939 | else |
| 940 | return value_subscript (arg1, arg2); |
| 941 | } |
| 942 | if (name) |
| 943 | error ("cannot subscript something of type `%s'", name); |
| 944 | else |
| 945 | error ("cannot subscript requested type"); |
| 946 | |
| 947 | case OP_STRING: |
| 948 | (*pos)++; |
| 949 | i = longest_to_int (exp->elts[pc + 1].longconst); |
| 950 | (*pos) += 3 + BYTES_TO_EXP_ELEM (i + 1); |
| 951 | if (noside == EVAL_SKIP) |
| 952 | goto nosideret; |
| 953 | return java_value_string (&exp->elts[pc + 2].string, i); |
| 954 | |
| 955 | case STRUCTOP_STRUCT: |
| 956 | arg1 = evaluate_subexp_standard (expect_type, exp, pos, noside); |
| 957 | /* Convert object field (such as TYPE.class) to reference. */ |
| 958 | if (TYPE_CODE (VALUE_TYPE (arg1)) == TYPE_CODE_STRUCT) |
| 959 | arg1 = value_addr (arg1); |
| 960 | return arg1; |
| 961 | default: |
| 962 | break; |
| 963 | } |
| 964 | standard: |
| 965 | return evaluate_subexp_standard (expect_type, exp, pos, noside); |
| 966 | nosideret: |
| 967 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
| 968 | } |
| 969 | |
| 970 | static struct type * |
| 971 | java_create_fundamental_type (struct objfile *objfile, int typeid) |
| 972 | { |
| 973 | switch (typeid) |
| 974 | { |
| 975 | case FT_VOID: |
| 976 | return java_void_type; |
| 977 | case FT_BOOLEAN: |
| 978 | return java_boolean_type; |
| 979 | case FT_CHAR: |
| 980 | return java_char_type; |
| 981 | case FT_FLOAT: |
| 982 | return java_float_type; |
| 983 | case FT_DBL_PREC_FLOAT: |
| 984 | return java_double_type; |
| 985 | case FT_BYTE: |
| 986 | case FT_SIGNED_CHAR: |
| 987 | return java_byte_type; |
| 988 | case FT_SHORT: |
| 989 | case FT_SIGNED_SHORT: |
| 990 | return java_short_type; |
| 991 | case FT_INTEGER: |
| 992 | case FT_SIGNED_INTEGER: |
| 993 | return java_int_type; |
| 994 | case FT_LONG: |
| 995 | case FT_SIGNED_LONG: |
| 996 | return java_long_type; |
| 997 | } |
| 998 | return c_create_fundamental_type (objfile, typeid); |
| 999 | } |
| 1000 | |
| 1001 | static char *java_demangle (const char *mangled, int options) |
| 1002 | { |
| 1003 | return cplus_demangle (mangled, options | DMGL_JAVA); |
| 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | /* Table mapping opcodes into strings for printing operators |
| 1008 | and precedences of the operators. */ |
| 1009 | |
| 1010 | const struct op_print java_op_print_tab[] = |
| 1011 | { |
| 1012 | {",", BINOP_COMMA, PREC_COMMA, 0}, |
| 1013 | {"=", BINOP_ASSIGN, PREC_ASSIGN, 1}, |
| 1014 | {"||", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, |
| 1015 | {"&&", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, |
| 1016 | {"|", BINOP_BITWISE_IOR, PREC_BITWISE_IOR, 0}, |
| 1017 | {"^", BINOP_BITWISE_XOR, PREC_BITWISE_XOR, 0}, |
| 1018 | {"&", BINOP_BITWISE_AND, PREC_BITWISE_AND, 0}, |
| 1019 | {"==", BINOP_EQUAL, PREC_EQUAL, 0}, |
| 1020 | {"!=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, |
| 1021 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, |
| 1022 | {">=", BINOP_GEQ, PREC_ORDER, 0}, |
| 1023 | {">", BINOP_GTR, PREC_ORDER, 0}, |
| 1024 | {"<", BINOP_LESS, PREC_ORDER, 0}, |
| 1025 | {">>", BINOP_RSH, PREC_SHIFT, 0}, |
| 1026 | {"<<", BINOP_LSH, PREC_SHIFT, 0}, |
| 1027 | #if 0 |
| 1028 | {">>>", BINOP_ ? ? ?, PREC_SHIFT, 0}, |
| 1029 | #endif |
| 1030 | {"+", BINOP_ADD, PREC_ADD, 0}, |
| 1031 | {"-", BINOP_SUB, PREC_ADD, 0}, |
| 1032 | {"*", BINOP_MUL, PREC_MUL, 0}, |
| 1033 | {"/", BINOP_DIV, PREC_MUL, 0}, |
| 1034 | {"%", BINOP_REM, PREC_MUL, 0}, |
| 1035 | {"-", UNOP_NEG, PREC_PREFIX, 0}, |
| 1036 | {"!", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, |
| 1037 | {"~", UNOP_COMPLEMENT, PREC_PREFIX, 0}, |
| 1038 | {"*", UNOP_IND, PREC_PREFIX, 0}, |
| 1039 | #if 0 |
| 1040 | {"instanceof", ? ? ?, ? ? ?, 0}, |
| 1041 | #endif |
| 1042 | {"++", UNOP_PREINCREMENT, PREC_PREFIX, 0}, |
| 1043 | {"--", UNOP_PREDECREMENT, PREC_PREFIX, 0}, |
| 1044 | {NULL, 0, 0, 0} |
| 1045 | }; |
| 1046 | |
| 1047 | const struct language_defn java_language_defn = |
| 1048 | { |
| 1049 | "java", /* Language name */ |
| 1050 | language_java, |
| 1051 | c_builtin_types, |
| 1052 | range_check_off, |
| 1053 | type_check_off, |
| 1054 | case_sensitive_on, |
| 1055 | java_parse, |
| 1056 | java_error, |
| 1057 | evaluate_subexp_java, |
| 1058 | c_printchar, /* Print a character constant */ |
| 1059 | c_printstr, /* Function to print string constant */ |
| 1060 | java_emit_char, /* Function to print a single character */ |
| 1061 | java_create_fundamental_type, /* Create fundamental type in this language */ |
| 1062 | java_print_type, /* Print a type using appropriate syntax */ |
| 1063 | java_val_print, /* Print a value using appropriate syntax */ |
| 1064 | java_value_print, /* Print a top-level value */ |
| 1065 | NULL, /* Language specific skip_trampoline */ |
| 1066 | java_demangle, /* Language specific symbol demangler */ |
| 1067 | {"", "", "", ""}, /* Binary format info */ |
| 1068 | {"0%lo", "0", "o", ""}, /* Octal format info */ |
| 1069 | {"%ld", "", "d", ""}, /* Decimal format info */ |
| 1070 | {"0x%lx", "0x", "x", ""}, /* Hex format info */ |
| 1071 | java_op_print_tab, /* expression operators for printing */ |
| 1072 | 0, /* not c-style arrays */ |
| 1073 | 0, /* String lower bound */ |
| 1074 | &builtin_type_char, /* Type of string elements */ |
| 1075 | LANG_MAGIC |
| 1076 | }; |
| 1077 | |
| 1078 | void |
| 1079 | _initialize_java_language (void) |
| 1080 | { |
| 1081 | |
| 1082 | java_int_type = init_type (TYPE_CODE_INT, 4, 0, "int", NULL); |
| 1083 | java_short_type = init_type (TYPE_CODE_INT, 2, 0, "short", NULL); |
| 1084 | java_long_type = init_type (TYPE_CODE_INT, 8, 0, "long", NULL); |
| 1085 | java_byte_type = init_type (TYPE_CODE_INT, 1, 0, "byte", NULL); |
| 1086 | java_boolean_type = init_type (TYPE_CODE_BOOL, 1, 0, "boolean", NULL); |
| 1087 | java_char_type = init_type (TYPE_CODE_CHAR, 2, TYPE_FLAG_UNSIGNED, "char", NULL); |
| 1088 | java_float_type = init_type (TYPE_CODE_FLT, 4, 0, "float", NULL); |
| 1089 | java_double_type = init_type (TYPE_CODE_FLT, 8, 0, "double", NULL); |
| 1090 | java_void_type = init_type (TYPE_CODE_VOID, 1, 0, "void", NULL); |
| 1091 | |
| 1092 | add_language (&java_language_defn); |
| 1093 | } |
| 1094 | |
| 1095 | /* Cleanup code that should be run on every "run". |
| 1096 | We should use make_run_cleanup to have this be called. |
| 1097 | But will that mess up values in value histry? FIXME */ |
| 1098 | |
| 1099 | extern void java_rerun_cleanup (void); |
| 1100 | void |
| 1101 | java_rerun_cleanup (void) |
| 1102 | { |
| 1103 | if (class_symtab != NULL) |
| 1104 | { |
| 1105 | free_symtab (class_symtab); /* ??? */ |
| 1106 | class_symtab = NULL; |
| 1107 | } |
| 1108 | if (dynamics_objfile != NULL) |
| 1109 | { |
| 1110 | free_objfile (dynamics_objfile); |
| 1111 | dynamics_objfile = NULL; |
| 1112 | } |
| 1113 | |
| 1114 | java_object_type = NULL; |
| 1115 | } |