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_classnotfoundexception(utf *name)
 334 {
 335         fprintf(stderr, "java.lang.ClassNotFoundException: ");
 336         utf_fprint_printable_ascii(stderr, name);
 337         fputc('\n', stderr);
 338
 339         abort();
 340 }
 341
 342 void exceptions_throw_nullpointerexception(void)
 343 {
 344         fprintf(stderr, "java.lang.NullPointerException\n");
 345
 346         abort();
 347 }
 348
 349
 350 /* finalizer ******************************************************************/
 351
 352 void finalizer_notify(void)
 353 {
 354         vm_abort("finalizer_notify");
 355 }
 356
 357 void finalizer_run(void *o, void *p)
 358 {
 359         vm_abort("finalizer_run");
 360 }
 361
 362
 363 /* gc *************************************************************************/
 364
 365 s8 gc_get_heap_size(void)
 366 {
 367         return 0;
 368 }
 369
 370 s8 gc_get_free_bytes(void)
 371 {
 372         return 0;
 373 }
 374
 375 s8 gc_get_total_bytes(void)
 376 {
 377         return 0;
 378 }
 379
 380 s8 gc_get_max_heap_size(void)
 381 {
 382         return 0;
 383 }
 384
 385
 386 /* heap ***********************************************************************/
 387
 388 void *heap_alloc_uncollectable(u4 bytelength)
 389 {
 390         return calloc(bytelength, 1);
 391 }
 392
 393
 394 /* jit ************************************************************************/
 395
 396 void jit_invalidate_code(methodinfo *m)
 397 {
 398         vm_abort("jit_invalidate_code");
 399 }
 400
 401
 402 /* lock ***********************************************************************/
 403
 404 void lock_init_object_lock(java_objectheader *o)
 405 {
 406 }
 407
 408 bool lock_monitor_enter(java_objectheader *o)
 409 {
 410         return true;
 411 }
 412
 413 bool lock_monitor_exit(java_objectheader *o)
 414 {
 415         return true;
 416 }
 417
 418
 419 /* md *************************************************************************/
 420
 421 void md_param_alloc(methoddesc *md)
 422 {
 423 }
 424
 425
 426 /* memory *********************************************************************/
 427
 428 void *mem_alloc(s4 size)
 429 {
 430         /* real implementation in src/mm/memory.c clears memory */
 431
 432         return calloc(size, 1);
 433 }
 434
 435 void *mem_realloc(void *src, s4 len1, s4 len2)
 436 {
 437         return realloc(src, len2);
 438 }
 439
 440 void mem_free(void *m, s4 size)
 441 {
 442         free(m);
 443 }
 444
 445 void *dump_alloc(s4 size)
 446 {
 447         return malloc(size);
 448 }
 449
 450 void dump_release(s4 size)
 451 {
 452 }
 453
 454 s4 dump_size(void)
 455 {
 456         return 0;
 457 }
 458
 459
 460 /* properties *****************************************************************/
 461
 462 char *properties_get(char *key)
 463 {
 464         return NULL;
 465 }
 466
 467
 468 /* resolve ********************************************************************/
 469
 470 bool resolve_class_from_typedesc(typedesc *d, bool checkaccess, bool link, classinfo **result)
 471 {
 472         abort();
 473
 474         return false;
 475 }
 476
 477 /* stupid resolving implementation used by resolve_classref_or_classinfo_eager */
 478 /* This function does eager resolving without any access checks.               */
 479
 480 static classinfo * dummy_resolve_class_from_name(classinfo *referer,
 481                                                  utf *classname,
 482                                                  bool checkaccess)
 483 {
 484         classinfo *cls = NULL;
 485         char *utf_ptr;
 486         int len;
 487
 488         assert(referer);
 489         assert(classname);
 490
 491         /* lookup if this class has already been loaded */
 492
 493         cls = classcache_lookup(referer->classloader, classname);
 494
 495         if (!cls) {
 496                 /* resolve array types */
 497
 498                 if (classname->text[0] == '[') {
 499                         utf_ptr = classname->text + 1;
 500                         len = classname->blength - 1;
 501
 502                         /* classname is an array type name */
 503
 504                         switch (*utf_ptr) {
 505                                 case 'L':
 506                                         utf_ptr++;
 507                                         len -= 2;
 508                                         /* FALLTHROUGH */
 509                                 case '[':
 510                                         /* the component type is a reference type */
 511                                         /* resolve the component type */
 512                                         if ((cls = dummy_resolve_class_from_name(referer,
 513                                                                            utf_new(utf_ptr,len),
 514                                                                            checkaccess)) == NULL)
 515                                                 return NULL; /* exception */
 516
 517                                         /* create the array class */
 518                                         cls = class_array_of(cls,false);
 519                                         if (!cls)
 520                                                 return NULL; /* exception */
 521                         }
 522                 }
 523
 524                 /* load the class */
 525                 if (!cls) {
 526                         if (!(cls = load_class_from_classloader(classname,
 527                                                                                                         referer->classloader)))
 528                                 return false; /* exception */
 529                 }
 530         }
 531
 532         /* the class is now loaded */
 533         assert(cls);
 534         assert(cls->state & CLASS_LOADED);
 535
 536         return cls;
 537 }
 538
 539
 540 classinfo * resolve_classref_or_classinfo_eager(classref_or_classinfo cls,
 541                                                                                                 bool checkaccess)
 542 {
 543         classinfo         *c;
 544
 545         assert(cls.any);
 546
 547         if (IS_CLASSREF(cls)) {
 548                 /* we must resolve this reference */
 549
 550                 if ((c = dummy_resolve_class_from_name(cls.ref->referer, cls.ref->name,
 551                                                                                    checkaccess)) == NULL)
 552                         return NULL;
 553         }
 554         else {
 555                 /* cls has already been resolved */
 556                 c = cls.cls;
 557         }
 558
 559         assert(c);
 560         assert(c->state & CLASS_LOADED);
 561
 562         /* succeeded */
 563         return c;
 564 }
 565
 566
 567 /* stacktrace *****************************************************************/
 568
 569 java_objectarray *stacktrace_getClassContext()
 570 {
 571         return NULL;
 572 }
 573
 574
 575 /* threads ********************************************************************/
 576
 577 pthread_key_t threads_current_threadobject_key;
 578
 579 ptrint threads_get_current_tid(void)
 580 {
 581         return 0;
 582 }
 583
 584 void threads_cast_stopworld(void)
 585 {
 586 }
 587
 588 void threads_cast_startworld(void)
 589 {
 590 }
 591
 592
 593 /* vm *************************************************************************/
 594
 595 void vm_abort(const char *text, ...)
 596 {
 597         va_list ap;
 598
 599         /* print the log message */
 600
 601         va_start(ap, text);
 602         vfprintf(stderr, text, ap);
 603         va_end(ap);
 604
 605         /* now abort the VM */
 606
 607         abort();
 608 }
 609
 610 java_objectheader *vm_call_method(methodinfo *m, java_objectheader *o, ...)
 611 {
 612         return NULL;
 613 }
 614
 615
 616 /* XXX */
 617
 618 void stringtable_update(void)
 619 {
 620         log_println("stringtable_update: REMOVE ME!");
 621 }
 622
 623 java_objectheader *literalstring_new(utf *u)
 624 {
 625         log_println("literalstring_new: REMOVE ME!");
 626
 627         return NULL;
 628 }
 629
 630
 631 void print_dynamic_super_statistics(void)
 632 {
 633 }
 634
 635
 636 /*
 637  * These are local overrides for various environment variables in Emacs.
 638  * Please do not remove this and leave it at the end of the file, where
 639  * Emacs will automagically detect them.
 640  * ---------------------------------------------------------------------
 641  * Local variables:
 642  * mode: c
 643  * indent-tabs-mode: t
 644  * c-basic-offset: 4
 645  * tab-width: 4
 646  * End:
 647  * vim:noexpandtab:sw=4:ts=4:
 648  */