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