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: headers.c 6286 2007-01-10 10:03:38Z twisti $
  26
  27 */
  28
  29
  30 #include "config.h"
  31
  32 #include <stdarg.h>
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <assert.h>
  36
  37 #if defined(ENABLE_THREADS)
  38 # include <pthread.h>
  39 #endif
  40
  41 #include "toolbox/logging.h"
  42
  43 #include "vm/types.h"
  44
  45 #include "vm/global.h"
  46 #include "vm/vm.h"
  47
  48 #include "vmcore/class.h"
  49 #include "vmcore/method.h"
  50 #include "vmcore/utf8.h"
  51 #include "vmcore/classcache.h"
  52 #include "vmcore/loader.h"
  53
  54
  55 /* global variables ***********************************************************/
  56
  57 char *_Jv_bootclasspath;
  58
  59
  60 void compiler_lock()
  61 {
  62 }
  63
  64 void compiler_unlock()
  65 {
  66 }
  67
  68 java_objectheader *javastring_new_slash_to_dot(utf *u)
  69 {
  70         vm_abort("javastring_new_slash_to_dot");
  71
  72         return NULL;
  73 }
  74
  75
  76 /* access *********************************************************************/
  77
  78 bool access_is_accessible_class(classinfo *referer, classinfo *cls)
  79 {
  80         return true;
  81 }
  82
  83 bool access_is_accessible_member(classinfo *referer, classinfo *declarer,
  84                                                                  s4 memberflags)
  85 {
  86         vm_abort("access_is_accessible_member");
  87
  88         return true;
  89 }
  90
  91
  92 /* asm ************************************************************************/
  93
  94 void asm_abstractmethoderror(void)
  95 {
  96         abort();
  97 }
  98
  99 void intrp_asm_abstractmethoderror(void)
 100 {
 101         abort();
 102 }
 103
 104 void asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
 105 {
 106         abort();
 107 }
 108
 109 void intrp_asm_getclassvalues_atomic(vftbl_t *super, vftbl_t *sub, castinfo *out)
 110 {
 111         abort();
 112 }
 113
 114
 115 /* builtin ********************************************************************/
 116
 117 java_objectheader *builtin_clone(void *env, java_objectheader *o)
 118 {
 119         abort();
 120
 121         return NULL;
 122 }
 123
 124 s4 builtin_isanysubclass(classinfo *sub, classinfo *super)
 125 {
 126         abort();
 127
 128         return 0;
 129 }
 130
 131 java_objectheader *builtin_new(classinfo *c)
 132 {
 133         abort();
 134
 135         return NULL;
 136 }
 137
 138 java_objectarray *builtin_anewarray(s4 size, classinfo *componentclass)
 139 {
 140         abort();
 141
 142         return NULL;
 143 }
 144
 145
 146 /* code ***********************************************************************/
 147
 148 void code_free_code_of_method(methodinfo *m)
 149 {
 150 }
 151
 152
 153 methodinfo *code_get_methodinfo_for_pv(u1 *pv)
 154 {
 155         return NULL;
 156 }
 157
 158
 159 /* codegen ********************************************************************/
 160
 161 codeinfo *codegen_createnativestub(functionptr f, methodinfo *m)
 162 {
 163         return NULL;
 164 }
 165
 166 u1 *createcompilerstub(methodinfo *m)
 167 {
 168         return NULL;
 169 }
 170
 171 #if defined(ENABLE_INTRP)
 172 u1 *intrp_createcompilerstub(methodinfo *m)
 173 {
 174         return NULL;
 175 }
 176 #endif
 177
 178 void removecompilerstub(u1 *stub)
 179 {
 180 }
 181
 182 void removenativestub(u1 *stub)
 183 {
 184 }
 185
 186
 187 /* exceptions *****************************************************************/
 188
 189 void exceptions_clear_exception(void)
 190 {
 191 }
 192
 193 void exceptions_print_current_exception(void)
 194 {
 195 }
 196
 197 void exceptions_throw_abstractmethoderror(void)
 198 {
 199         fprintf(stderr, "java.lang.AbstractMethodError\n");
 200
 201         abort();
 202 }
 203
 204 void exceptions_throw_classcircularityerror(classinfo *c)
 205 {
 206         fprintf(stderr, "java.lang.ClassCircularityError: ");
 207
 208         utf_display_printable_ascii(c->name);
 209         fputc('\n', stderr);
 210
 211         abort();
 212 }
 213
 214 void exceptions_throw_classformaterror(classinfo *c, const char *message, ...)
 215 {
 216         va_list ap;
 217
 218         fprintf(stderr, "java.lang.ClassFormatError: ");
 219
 220         utf_display_printable_ascii(c->name);
 221         fprintf(stderr, ": ");
 222
 223         va_start(ap, message);
 224         vfprintf(stderr, message, ap);
 225         va_end(ap);
 226
 227         fputc('\n', stderr);
 228
 229         abort();
 230 }
 231
 232 void exceptions_throw_incompatibleclasschangeerror(classinfo *c)
 233 {
 234         fprintf(stderr, "java.lang.IncompatibleClassChangeError: ");
 235
 236         if (c != NULL)
 237                 utf_fprint_printable_ascii_classname(stderr, c->name);
 238
 239         fputc('\n', stderr);
 240
 241         abort();
 242 }
 243
 244 void exceptions_throw_internalerror(const char *message, ...)
 245 {
 246         va_list ap;
 247
 248         fprintf(stderr, "java.lang.InternalError: ");
 249
 250         va_start(ap, message);
 251         vfprintf(stderr, message, ap);
 252         va_end(ap);
 253
 254         abort();
 255 }
 256
 257 void exceptions_throw_linkageerror(const char *message, classinfo *c)
 258 {
 259         fprintf(stderr, "java.lang.LinkageError: %s", message);
 260
 261         if (c != NULL)
 262                 utf_fprint_printable_ascii_classname(stderr, c->name);
 263
 264         fputc('\n', stderr);
 265
 266         abort();
 267 }
 268
 269 void exceptions_throw_noclassdeffounderror(utf *name)
 270 {
 271         fprintf(stderr, "java.lang.NoClassDefFoundError: ");
 272         utf_fprint_printable_ascii(stderr, name);
 273         fputc('\n', stderr);
 274
 275         abort();
 276 }
 277
 278 void exceptions_throw_noclassdeffounderror_wrong_name(classinfo *c, utf *name)
 279 {
 280         fprintf(stderr, "java.lang.NoClassDefFoundError: ");
 281         utf_fprint_printable_ascii(stderr, c->name);
 282         fprintf(stderr, " (wrong name: ");
 283         utf_fprint_printable_ascii(stderr, name);
 284         fprintf(stderr, ")\n");
 285
 286         abort();
 287 }
 288
 289 void exceptions_throw_outofmemoryerror(void)
 290 {
 291         fprintf(stderr, "java.lang.OutOfMemoryError\n");
 292
 293         abort();
 294 }
 295
 296 void exceptions_throw_verifyerror(methodinfo *m, const char *message)
 297 {
 298         fprintf(stderr, "java.lang.VerifyError: ");
 299         utf_fprint_printable_ascii(stderr, m->name);
 300         fprintf(stderr, ": %s", message);
 301
 302         abort();
 303 }
 304
 305 void exceptions_throw_nosuchfielderror(classinfo *c, utf *name)
 306 {
 307         fprintf(stderr, "java.lang.NoSuchFieldError: ");
 308         utf_fprint_printable_ascii(stderr, c->name);
 309         fprintf(stderr, ".");
 310         utf_fprint_printable_ascii(stderr, name);
 311         fputc('\n', stderr);
 312
 313         abort();
 314 }
 315
 316 void exceptions_throw_nosuchmethoderror(classinfo *c, utf *name, utf *desc)
 317 {
 318         fprintf(stderr, "java.lang.NoSuchMethodError: ");
 319         utf_fprint_printable_ascii(stderr, c->name);
 320         fprintf(stderr, ".");
 321         utf_fprint_printable_ascii(stderr, name);
 322         utf_fprint_printable_ascii(stderr, desc);
 323         fputc('\n', stderr);
 324
 325         abort();
 326 }
 327
 328 void exceptions_throw_unsupportedclassversionerror(classinfo *c,
 329                                                                                                    const char *message, ...)
 330 {
 331         va_list ap;
 332
 333         fprintf(stderr, "java.lang.UnsupportedClassVersionError: " );
 334
 335         utf_display_printable_ascii(c->name);
 336         fprintf(stderr, ": ");
 337
 338         va_start(ap, message);
 339         vfprintf(stderr, message, ap);
 340         va_end(ap);
 341
 342         fputc('\n', stderr);
 343
 344         abort();
 345 }
 346
 347 void exceptions_throw_illegalaccessexception(classinfo *c)
 348 {
 349         fprintf(stderr, "java.lang.IllegalAccessException: ");
 350
 351         if (c != NULL)
 352                 utf_fprint_printable_ascii_classname(stderr, c->name);
 353
 354         fputc('\n', stderr);
 355
 356         abort();
 357 }
 358
 359 void exceptions_throw_nullpointerexception(void)
 360 {
 361         fprintf(stderr, "java.lang.NullPointerException\n");
 362
 363         abort();
 364 }
 365
 366 void classnotfoundexception_to_noclassdeffounderror(void)
 367 {
 368         /* Can that one happen? */
 369
 370         abort();
 371 }
 372
 373
 374 /* finalizer ******************************************************************/
 375
 376 void finalizer_notify(void)
 377 {
 378         vm_abort("finalizer_notify");
 379 }
 380
 381 void finalizer_run(void *o, void *p)
 382 {
 383         vm_abort("finalizer_run");
 384 }
 385
 386
 387 /* gc *************************************************************************/
 388
 389 s8 gc_get_heap_size(void)
 390 {
 391         return 0;
 392 }
 393
 394 s8 gc_get_free_bytes(void)
 395 {
 396         return 0;
 397 }
 398
 399 s8 gc_get_total_bytes(void)
 400 {
 401         return 0;
 402 }
 403
 404 s8 gc_get_max_heap_size(void)
 405 {
 406         return 0;
 407 }
 408
 409
 410 /* heap ***********************************************************************/
 411
 412 void *heap_alloc_uncollectable(u4 bytelength)
 413 {
 414         return calloc(bytelength, 1);
 415 }
 416
 417
 418 /* jit ************************************************************************/
 419
 420 void jit_invalidate_code(methodinfo *m)
 421 {
 422         vm_abort("jit_invalidate_code");
 423 }
 424
 425
 426 /* lock ***********************************************************************/
 427
 428 void lock_init_object_lock(java_objectheader *o)
 429 {
 430 }
 431
 432 bool lock_monitor_enter(java_objectheader *o)
 433 {
 434         return true;
 435 }
 436
 437 bool lock_monitor_exit(java_objectheader *o)
 438 {
 439         return true;
 440 }
 441
 442
 443 /* md *************************************************************************/
 444
 445 void md_param_alloc(methoddesc *md)
 446 {
 447 }
 448
 449
 450 /* memory *********************************************************************/
 451
 452 void *mem_alloc(s4 size)
 453 {
 454         /* real implementation in src/mm/memory.c clears memory */
 455
 456         return calloc(size, 1);
 457 }
 458
 459 void *mem_realloc(void *src, s4 len1, s4 len2)
 460 {
 461         return realloc(src, len2);
 462 }
 463
 464 void mem_free(void *m, s4 size)
 465 {
 466         free(m);
 467 }
 468
 469 void *dump_alloc(s4 size)
 470 {
 471         return malloc(size);
 472 }
 473
 474 void dump_release(s4 size)
 475 {
 476 }
 477
 478 s4 dump_size(void)
 479 {
 480         return 0;
 481 }
 482
 483
 484 /* properties *****************************************************************/
 485
 486 char *properties_get(char *key)
 487 {
 488         return NULL;
 489 }
 490
 491
 492 /* resolve ********************************************************************/
 493
 494 bool resolve_class_from_typedesc(typedesc *d, bool checkaccess, bool link, classinfo **result)
 495 {
 496         abort();
 497
 498         return false;
 499 }
 500
 501 /* stupid resolving implementation used by resolve_classref_or_classinfo_eager */
 502 /* This function does eager resolving without any access checks.               */
 503
 504 static classinfo * dummy_resolve_class_from_name(classinfo *referer,
 505                                                  utf *classname,
 506                                                  bool checkaccess)
 507 {
 508         classinfo *cls = NULL;
 509         char *utf_ptr;
 510         int len;
 511
 512         assert(referer);
 513         assert(classname);
 514
 515         /* lookup if this class has already been loaded */
 516
 517         cls = classcache_lookup(referer->classloader, classname);
 518
 519         if (!cls) {
 520                 /* resolve array types */
 521
 522                 if (classname->text[0] == '[') {
 523                         utf_ptr = classname->text + 1;
 524                         len = classname->blength - 1;
 525
 526                         /* classname is an array type name */
 527
 528                         switch (*utf_ptr) {
 529                                 case 'L':
 530                                         utf_ptr++;
 531                                         len -= 2;
 532                                         /* FALLTHROUGH */
 533                                 case '[':
 534                                         /* the component type is a reference type */
 535                                         /* resolve the component type */
 536                                         if ((cls = dummy_resolve_class_from_name(referer,
 537                                                                            utf_new(utf_ptr,len),
 538                                                                            checkaccess)) == NULL)
 539                                                 return NULL; /* exception */
 540
 541                                         /* create the array class */
 542                                         cls = class_array_of(cls,false);
 543                                         if (!cls)
 544                                                 return NULL; /* exception */
 545                         }
 546                 }
 547
 548                 /* load the class */
 549                 if (!cls) {
 550                         if (!(cls = load_class_from_classloader(classname,
 551                                                                                                         referer->classloader)))
 552                                 return false; /* exception */
 553                 }
 554         }
 555
 556         /* the class is now loaded */
 557         assert(cls);
 558         assert(cls->state & CLASS_LOADED);
 559
 560         return cls;
 561 }
 562
 563
 564 classinfo * resolve_classref_or_classinfo_eager(classref_or_classinfo cls,
 565                                                                                                 bool checkaccess)
 566 {
 567         classinfo         *c;
 568
 569         assert(cls.any);
 570
 571         if (IS_CLASSREF(cls)) {
 572                 /* we must resolve this reference */
 573
 574                 if ((c = dummy_resolve_class_from_name(cls.ref->referer, cls.ref->name,
 575                                                                                    checkaccess)) == NULL)
 576                         return NULL;
 577         }
 578         else {
 579                 /* cls has already been resolved */
 580                 c = cls.cls;
 581         }
 582
 583         assert(c);
 584         assert(c->state & CLASS_LOADED);
 585
 586         /* succeeded */
 587         return c;
 588 }
 589
 590
 591 /* stacktrace *****************************************************************/
 592
 593 java_objectarray *stacktrace_getClassContext()
 594 {
 595         return NULL;
 596 }
 597
 598
 599 /* threads ********************************************************************/
 600
 601 pthread_key_t threads_current_threadobject_key;
 602
 603 ptrint threads_get_current_tid(void)
 604 {
 605         return 0;
 606 }
 607
 608
 609 /* vm *************************************************************************/
 610
 611 void vm_abort(const char *text, ...)
 612 {
 613         va_list ap;
 614
 615         /* print the log message */
 616
 617         va_start(ap, text);
 618         vfprintf(stderr, text, ap);
 619         va_end(ap);
 620
 621         /* now abort the VM */
 622
 623         abort();
 624 }
 625
 626 java_objectheader *vm_call_method(methodinfo *m, java_objectheader *o, ...)
 627 {
 628         return NULL;
 629 }
 630
 631
 632 /* XXX */
 633
 634 void stringtable_update(void)
 635 {
 636         log_println("stringtable_update: REMOVE ME!");
 637 }
 638
 639 java_objectheader *literalstring_new(utf *u)
 640 {
 641         log_println("literalstring_new: REMOVE ME!");
 642
 643         return NULL;
 644 }
 645
 646
 647 void print_dynamic_super_statistics(void)
 648 {
 649 }
 650
 651
 652 /*
 653  * These are local overrides for various environment variables in Emacs.
 654  * Please do not remove this and leave it at the end of the file, where
 655  * Emacs will automagically detect them.
 656  * ---------------------------------------------------------------------
 657  * Local variables:
 658  * mode: c
 659  * indent-tabs-mode: t
 660  * c-basic-offset: 4
 661  * tab-width: 4
 662  * End:
 663  * vim:noexpandtab:sw=4:ts=4:
 664  */