src/cacaoh/dummy.c

   1 /* src/cacaoh/dummy.c - dummy functions for cacaoh
   2
   3    Copyright (C) 2007 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25    $Id: dummy.c 8318 2007-08-16 10:05:34Z michi $
  26
  27 */
  28
  29
  30 #include "config.h"
  31
  32 #include <assert.h>
  33 #include <stdarg.h>
  34 #include <stdint.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37
  38 #include "toolbox/logging.h"
  39
  40 #include "vm/global.h"
  41 #include "vm/primitive.h"
  42 #include "vm/vm.h"
  43
  44 #include "vmcore/class.h"
  45 #include "vmcore/method.h"
  46 #include "vmcore/utf8.h"
  47 #include "vmcore/classcache.h"
  48 #include "vmcore/loader.h"
  49
  50
  51 /* global variables ***********************************************************/
  52
  53 char *_Jv_bootclasspath;
  54
  55
  56 java_handle_t *javastring_new_slash_to_dot(utf *u)
  57 {
  58         vm_abort("javastring_new_slash_to_dot");
  59
  60         return NULL;
  61 }
  62
  63
  64 /* access *********************************************************************/
  65
  66 bool access_is_accessible_class(classinfo *referer, classinfo *cls)
  67 {
  68         return true;
  69 }
  70
  71 bool access_is_accessible_member(classinfo *referer, classinfo *declarer,
  72                                                                  int32_t memberflags)
  73 {
  74         vm_abort("access_is_accessible_member");
  75
  76         return true;
  77 }
  78
  79
  80 /* asm ************************************************************************/
  81
  82 void asm_abstractmethoderror(void)
  83 {
  84         abort();
  85 }
  86
  87 void intrp_asm_abstractmethoderror(void)
  88 {
  89         abort();
  90 }
  91
  92 void asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
  93 {
  94         abort();
  95 }
  96
  97 void intrp_asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
  98 {
  99         abort();
 100 }
 101
 102
 103 /* builtin ********************************************************************/
 104
 105 java_handle_t *builtin_clone(void *env, java_handle_t *o)
 106 {
 107         abort();
 108
 109         return NULL;
 110 }
 111
 112 int32_t builtin_isanysubclass(classinfo *sub, classinfo *super)
 113 {
 114         abort();
 115
 116         return 0;
 117 }
 118
 119 java_handle_t *builtin_new(classinfo *c)
 120 {
 121         abort();
 122
 123         return NULL;
 124 }
 125
 126 java_handle_objectarray_t *builtin_anewarray(int32_t size, classinfo *componentclass)
 127 {
 128         abort();
 129
 130         return NULL;
 131 }
 132
 133 java_handle_bytearray_t *builtin_newarray_byte(int32_t size)
 134 {
 135         abort();
 136
 137         return NULL;
 138 }
 139
 140
 141 /* code ***********************************************************************/
 142
 143 void code_free_code_of_method(methodinfo *m)
 144 {
 145 }
 146
 147
 148 methodinfo *code_get_methodinfo_for_pv(u1 *pv)
 149 {
 150         return NULL;
 151 }
 152
 153
 154 /* codegen ********************************************************************/
 155
 156 u1 *codegen_generate_stub_compiler(methodinfo *m)
 157 {
 158         return NULL;
 159 }
 160
 161 codeinfo *codegen_generate_stub_native(methodinfo *m, functionptr f)
 162 {
 163         return NULL;
 164 }
 165
 166 #if defined(ENABLE_INTRP)
 167 u1 *intrp_createcompilerstub(methodinfo *m)
 168 {
 169         return NULL;
 170 }
 171 #endif
 172
 173 void removecompilerstub(u1 *stub)
 174 {
 175 }
 176
 177 void removenativestub(u1 *stub)
 178 {
 179 }
 180
 181
 182 /* exceptions *****************************************************************/
 183
 184 void exceptions_clear_exception(void)
 185 {
 186 }
 187
 188 void exceptions_print_current_exception(void)
 189 {
 190         abort();
 191 }
 192
 193 void exceptions_throw_abstractmethoderror(void)
 194 {
 195         fprintf(stderr, "java.lang.AbstractMethodError\n");
 196
 197         abort();
 198 }
 199
 200 void exceptions_throw_classcircularityerror(classinfo *c)
 201 {
 202         fprintf(stderr, "java.lang.ClassCircularityError: ");
 203
 204         utf_display_printable_ascii(c->name);
 205         fputc('\n', stderr);
 206
 207         abort();
 208 }
 209
 210 void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
 211 {
 212         va_list ap;
 213
 214         fprintf(stderr, "java.lang.ClassFormatError: ");
 215
 216         utf_display_printable_ascii(c->name);
 217         fprintf(stderr, ": ");
 218
 219         va_start(ap, message);
 220         vfprintf(stderr, message, ap);
 221         va_end(ap);
 222
 223         fputc('\n', stderr);
 224
 225         abort();
 226 }
 227
 228 void exceptions_throw_incompatibleclasschangeerror(classinfo *c)
 229 {
 230         fprintf(stderr, "java.lang.IncompatibleClassChangeError: ");
 231
 232         if (c != NULL)
 233                 utf_fprint_printable_ascii_classname(stderr, c->name);
 234
 235         fputc('\n', stderr);
 236
 237         abort();
 238 }
 239
 240 void exceptions_throw_internalerror(const char *message, ...)
 241 {
 242         va_list ap;
 243
 244         fprintf(stderr, "java.lang.InternalError: ");
 245
 246         va_start(ap, message);
 247         vfprintf(stderr, message, ap);
 248         va_end(ap);
 249
 250         abort();
 251 }
 252
 253 void exceptions_throw_linkageerror(const char *message, classinfo *c)
 254 {
 255         fprintf(stderr, "java.lang.LinkageError: %s", message);
 256
 257         if (c != NULL)
 258                 utf_fprint_printable_ascii_classname(stderr, c->name);
 259
 260         fputc('\n', stderr);
 261
 262         abort();
 263 }
 264
 265 void exceptions_throw_noclassdeffounderror(utf *name)
 266 {
 267         fprintf(stderr, "java.lang.NoClassDefFoundError: ");
 268         utf_fprint_printable_ascii(stderr, name);
 269         fputc('\n', stderr);
 270
 271         abort();
 272 }
 273
 274 void exceptions_throw_noclassdeffounderror_wrong_name(classinfo *c, utf *name)
 275 {
 276         fprintf(stderr, "java.lang.NoClassDefFoundError: ");
 277         utf_fprint_printable_ascii(stderr, c->name);
 278         fprintf(stderr, " (wrong name: ");
 279         utf_fprint_printable_ascii(stderr, name);
 280         fprintf(stderr, ")\n");
 281
 282         abort();
 283 }
 284
 285 void exceptions_throw_verifyerror(methodinfo *m, const char *message)
 286 {
 287         fprintf(stderr, "java.lang.VerifyError: ");
 288         utf_fprint_printable_ascii(stderr, m->name);
 289         fprintf(stderr, ": %s", message);
 290
 291         abort();
 292 }
 293
 294 void exceptions_throw_nosuchfielderror(classinfo *c, utf *name)
 295 {
 296         fprintf(stderr, "java.lang.NoSuchFieldError: ");
 297         utf_fprint_printable_ascii(stderr, c->name);
 298         fprintf(stderr, ".");
 299         utf_fprint_printable_ascii(stderr, name);
 300         fputc('\n', stderr);
 301
 302         abort();
 303 }
 304
 305 void exceptions_throw_nosuchmethoderror(classinfo *c, utf *name, utf *desc)
 306 {
 307         fprintf(stderr, "java.lang.NoSuchMethodError: ");
 308         utf_fprint_printable_ascii(stderr, c->name);
 309         fprintf(stderr, ".");
 310         utf_fprint_printable_ascii(stderr, name);
 311         utf_fprint_printable_ascii(stderr, desc);
 312         fputc('\n', stderr);
 313
 314         abort();
 315 }
 316
 317 void exceptions_throw_unsupportedclassversionerror(classinfo *c,
 318                                                                                                    const char *message, ...)
 319 {
 320         va_list ap;
 321
 322         fprintf(stderr, "java.lang.UnsupportedClassVersionError: " );
 323
 324         utf_display_printable_ascii(c->name);
 325         fprintf(stderr, ": ");
 326
 327         va_start(ap, message);
 328         vfprintf(stderr, message, ap);
 329         va_end(ap);
 330
 331         fputc('\n', stderr);
 332
 333         abort();
 334 }
 335
 336 void exceptions_throw_classnotfoundexception(utf *name)
 337 {
 338         fprintf(stderr, "java.lang.ClassNotFoundException: ");
 339         utf_fprint_printable_ascii(stderr, name);
 340         fputc('\n', stderr);
 341
 342         abort();
 343 }
 344
 345 void exceptions_throw_nullpointerexception(void)
 346 {
 347         fprintf(stderr, "java.lang.NullPointerException\n");
 348
 349         abort();
 350 }
 351
 352
 353 /* finalizer ******************************************************************/
 354
 355 void finalizer_notify(void)
 356 {
 357         vm_abort("finalizer_notify");
 358 }
 359
 360 void finalizer_run(void *o, void *p)
 361 {
 362         vm_abort("finalizer_run");
 363 }
 364
 365
 366 /* gc *************************************************************************/
 367
 368 int64_t gc_get_heap_size(void)
 369 {
 370         return 0;
 371 }
 372
 373 int64_t gc_get_free_bytes(void)
 374 {
 375         return 0;
 376 }
 377
 378 int64_t gc_get_total_bytes(void)
 379 {
 380         return 0;
 381 }
 382
 383 int64_t gc_get_max_heap_size(void)
 384 {
 385         return 0;
 386 }
 387
 388
 389 /* heap ***********************************************************************/
 390
 391 void *heap_alloc_uncollectable(uint32_t bytelength)
 392 {
 393         return calloc(bytelength, 1);
 394 }
 395
 396
 397 /* jit ************************************************************************/
 398
 399 void jit_invalidate_code(methodinfo *m)
 400 {
 401         vm_abort("jit_invalidate_code");
 402 }
 403
 404
 405 /* lock ***********************************************************************/
 406
 407 void lock_init_object_lock(java_object_t *o)
 408 {
 409 }
 410
 411 bool lock_monitor_enter(java_object_t *o)
 412 {
 413         return true;
 414 }
 415
 416 bool lock_monitor_exit(java_object_t *o)
 417 {
 418         return true;
 419 }
 420
 421
 422 /* md *************************************************************************/
 423
 424 void md_param_alloc(methoddesc *md)
 425 {
 426 }
 427
 428 void md_param_alloc_native(methoddesc *md)
 429 {
 430 }
 431
 432
 433 /* memory *********************************************************************/
 434
 435 void *mem_alloc(int32_t size)
 436 {
 437         /* real implementation in src/mm/memory.c clears memory */
 438
 439         return calloc(size, 1);
 440 }
 441
 442 void *mem_realloc(void *src, int32_t len1, int32_t len2)
 443 {
 444         return realloc(src, len2);
 445 }
 446
 447 void mem_free(void *m, int32_t size)
 448 {
 449         free(m);
 450 }
 451
 452 void *dump_alloc(int32_t size)
 453 {
 454         return malloc(size);
 455 }
 456
 457 void dump_release(int32_t size)
 458 {
 459 }
 460
 461 int32_t dump_size(void)
 462 {
 463         return 0;
 464 }
 465
 466
 467 /* primitive ******************************************************************/
 468
 469 classinfo *primitive_class_get_by_type(int type)
 470 {
 471         abort();
 472         return NULL;
 473 }
 474
 475 classinfo *primitive_class_get_by_char(char ch)
 476 {
 477         abort();
 478         return NULL;
 479 }
 480
 481
 482 /* properties *****************************************************************/
 483
 484 void properties_add(char *key, char *value)
 485 {
 486 }
 487
 488 char *properties_get(char *key)
 489 {
 490         return NULL;
 491 }
 492
 493
 494 /* resolve ********************************************************************/
 495
 496 bool resolve_class_from_typedesc(typedesc *d, bool checkaccess, bool link, classinfo **result)
 497 {
 498         abort();
 499
 500         return false;
 501 }
 502
 503 /* stupid resolving implementation used by resolve_classref_or_classinfo_eager */
 504 /* This function does eager resolving without any access checks.               */
 505
 506 static classinfo * dummy_resolve_class_from_name(classinfo *referer,
 507                                                  utf *classname,
 508                                                  bool checkaccess)
 509 {
 510         classinfo *cls = NULL;
 511         char *utf_ptr;
 512         int len;
 513
 514         assert(referer);
 515         assert(classname);
 516
 517         /* lookup if this class has already been loaded */
 518
 519         cls = classcache_lookup(referer->classloader, classname);
 520
 521         if (!cls) {
 522                 /* resolve array types */
 523
 524                 if (classname->text[0] == '[') {
 525                         utf_ptr = classname->text + 1;
 526                         len = classname->blength - 1;
 527
 528                         /* classname is an array type name */
 529
 530                         switch (*utf_ptr) {
 531                                 case 'L':
 532                                         utf_ptr++;
 533                                         len -= 2;
 534                                         /* FALLTHROUGH */
 535                                 case '[':
 536                                         /* the component type is a reference type */
 537                                         /* resolve the component type */
 538                                         if ((cls = dummy_resolve_class_from_name(referer,
 539                                                                            utf_new(utf_ptr,len),
 540                                                                            checkaccess)) == NULL)
 541                                                 return NULL; /* exception */
 542
 543                                         /* create the array class */
 544                                         cls = class_array_of(cls,false);
 545                                         if (!cls)
 546                                                 return NULL; /* exception */
 547                         }
 548                 }
 549
 550                 /* load the class */
 551                 if (!cls) {
 552                         if (!(cls = load_class_from_classloader(classname,
 553                                                                                                         referer->classloader)))
 554                                 return false; /* exception */
 555                 }
 556         }
 557
 558         /* the class is now loaded */
 559         assert(cls);
 560         assert(cls->state & CLASS_LOADED);
 561
 562         return cls;
 563 }
 564
 565
 566 classinfo * resolve_classref_or_classinfo_eager(classref_or_classinfo cls,
 567                                                                                                 bool checkaccess)
 568 {
 569         classinfo         *c;
 570
 571         assert(cls.any);
 572
 573         if (IS_CLASSREF(cls)) {
 574                 /* we must resolve this reference */
 575
 576                 if ((c = dummy_resolve_class_from_name(cls.ref->referer, cls.ref->name,
 577                                                                                    checkaccess)) == NULL)
 578                         return NULL;
 579         }
 580         else {
 581                 /* cls has already been resolved */
 582                 c = cls.cls;
 583         }
 584
 585         assert(c);
 586         assert(c->state & CLASS_LOADED);
 587
 588         /* succeeded */
 589         return c;
 590 }
 591
 592
 593 /* stacktrace *****************************************************************/
 594
 595 java_handle_objectarray_t *stacktrace_getClassContext()
 596 {
 597         return NULL;
 598 }
 599
 600
 601 /* threads ********************************************************************/
 602
 603 intptr_t threads_get_current_tid(void)
 604 {
 605         return 0;
 606 }
 607
 608 void threads_cast_stopworld(void)
 609 {
 610 }
 611
 612 void threads_cast_startworld(void)
 613 {
 614 }
 615
 616
 617 /* vm *************************************************************************/
 618
 619 void vm_printconfig(void)
 620 {
 621 }
 622
 623 void vm_abort(const char *text, ...)
 624 {
 625         va_list ap;
 626
 627         /* print the log message */
 628
 629         va_start(ap, text);
 630         vfprintf(stderr, text, ap);
 631         va_end(ap);
 632
 633         /* now abort the VM */
 634
 635         abort();
 636 }
 637
 638 java_handle_t *vm_call_method(methodinfo *m, java_handle_t *o, ...)
 639 {
 640         return NULL;
 641 }
 642
 643
 644 /* XXX */
 645
 646 void stringtable_update(void)
 647 {
 648         log_println("stringtable_update: REMOVE ME!");
 649 }
 650
 651 java_object_t *literalstring_new(utf *u)
 652 {
 653         log_println("literalstring_new: REMOVE ME!");
 654
 655         return NULL;
 656 }
 657
 658
 659 void print_dynamic_super_statistics(void)
 660 {
 661 }
 662
 663
 664 /*
 665  * These are local overrides for various environment variables in Emacs.
 666  * Please do not remove this and leave it at the end of the file, where
 667  * Emacs will automagically detect them.
 668  * ---------------------------------------------------------------------
 669  * Local variables:
 670  * mode: c
 671  * indent-tabs-mode: t
 672  * c-basic-offset: 4
 673  * tab-width: 4
 674  * End:
 675  * vim:noexpandtab:sw=4:ts=4:
 676  */