1 /* 2 * This file was generated automatically by gen-mterp.py for 'armv7-a'. 3 * 4 * --> DO NOT EDIT <-- 5 */ 6 7 /* File: c/header.cpp */ 8 /* 9 * Copyright (C) 2008 The Android Open Source Project 10 * 11 * Licensed under the Apache License, Version 2.0 (the "License"); 12 * you may not use this file except in compliance with the License. 13 * You may obtain a copy of the License at 14 * 15 * http://www.apache.org/licenses/LICENSE-2.0 16 * 17 * Unless required by applicable law or agreed to in writing, software 18 * distributed under the License is distributed on an "AS IS" BASIS, 19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 20 * See the License for the specific language governing permissions and 21 * limitations under the License. 22 */ 23 24 /* common includes */ 25 #include "Dalvik.h" 26 #include "interp/InterpDefs.h" 27 #include "mterp/Mterp.h" 28 #include <math.h> // needed for fmod, fmodf 29 #include "mterp/common/FindInterface.h" 30 31 /* 32 * Configuration defines. These affect the C implementations, i.e. the 33 * portable interpreter(s) and C stubs. 34 * 35 * Some defines are controlled by the Makefile, e.g.: 36 * WITH_INSTR_CHECKS 37 * WITH_TRACKREF_CHECKS 38 * EASY_GDB 39 * NDEBUG 40 */ 41 42 #ifdef WITH_INSTR_CHECKS /* instruction-level paranoia (slow!) */ 43 # define CHECK_BRANCH_OFFSETS 44 # define CHECK_REGISTER_INDICES 45 #endif 46 47 /* 48 * Some architectures require 64-bit alignment for access to 64-bit data 49 * types. We can't just use pointers to copy 64-bit values out of our 50 * interpreted register set, because gcc may assume the pointer target is 51 * aligned and generate invalid code. 52 * 53 * There are two common approaches: 54 * (1) Use a union that defines a 32-bit pair and a 64-bit value. 55 * (2) Call memcpy(). 56 * 57 * Depending upon what compiler you're using and what options are specified, 58 * one may be faster than the other. For example, the compiler might 59 * convert a memcpy() of 8 bytes into a series of instructions and omit 60 * the call. The union version could cause some strange side-effects, 61 * e.g. for a while ARM gcc thought it needed separate storage for each 62 * inlined instance, and generated instructions to zero out ~700 bytes of 63 * stack space at the top of the interpreter. 64 * 65 * The default is to use memcpy(). The current gcc for ARM seems to do 66 * better with the union. 67 */ 68 #if defined(__ARM_EABI__) 69 # define NO_UNALIGN_64__UNION 70 #endif 71 72 73 //#define LOG_INSTR /* verbose debugging */ 74 /* set and adjust ANDROID_LOG_TAGS='*:i jdwp:i dalvikvm:i dalvikvmi:i' */ 75 76 /* 77 * Export another copy of the PC on every instruction; this is largely 78 * redundant with EXPORT_PC and the debugger code. This value can be 79 * compared against what we have stored on the stack with EXPORT_PC to 80 * help ensure that we aren't missing any export calls. 81 */ 82 #if WITH_EXTRA_GC_CHECKS > 1 83 # define EXPORT_EXTRA_PC() (self->currentPc2 = pc) 84 #else 85 # define EXPORT_EXTRA_PC() 86 #endif 87 88 /* 89 * Adjust the program counter. "_offset" is a signed int, in 16-bit units. 90 * 91 * Assumes the existence of "const u2* pc" and "const u2* curMethod->insns". 92 * 93 * We don't advance the program counter until we finish an instruction or 94 * branch, because we do want to have to unroll the PC if there's an 95 * exception. 96 */ 97 #ifdef CHECK_BRANCH_OFFSETS 98 # define ADJUST_PC(_offset) do { \ 99 int myoff = _offset; /* deref only once */ \ 100 if (pc + myoff < curMethod->insns || \ 101 pc + myoff >= curMethod->insns + dvmGetMethodInsnsSize(curMethod)) \ 102 { \ 103 char* desc; \ 104 desc = dexProtoCopyMethodDescriptor(&curMethod->prototype); \ 105 ALOGE("Invalid branch %d at 0x%04x in %s.%s %s", \ 106 myoff, (int) (pc - curMethod->insns), \ 107 curMethod->clazz->descriptor, curMethod->name, desc); \ 108 free(desc); \ 109 dvmAbort(); \ 110 } \ 111 pc += myoff; \ 112 EXPORT_EXTRA_PC(); \ 113 } while (false) 114 #else 115 # define ADJUST_PC(_offset) do { \ 116 pc += _offset; \ 117 EXPORT_EXTRA_PC(); \ 118 } while (false) 119 #endif 120 121 /* 122 * If enabled, log instructions as we execute them. 123 */ 124 #ifdef LOG_INSTR 125 # define ILOGD(...) ILOG(LOG_DEBUG, __VA_ARGS__) 126 # define ILOGV(...) ILOG(LOG_VERBOSE, __VA_ARGS__) 127 # define ILOG(_level, ...) do { \ 128 char debugStrBuf[128]; \ 129 snprintf(debugStrBuf, sizeof(debugStrBuf), __VA_ARGS__); \ 130 if (curMethod != NULL) \ 131 ALOG(_level, LOG_TAG"i", "%-2d|%04x%s", \ 132 self->threadId, (int)(pc - curMethod->insns), debugStrBuf); \ 133 else \ 134 ALOG(_level, LOG_TAG"i", "%-2d|####%s", \ 135 self->threadId, debugStrBuf); \ 136 } while(false) 137 void dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly); 138 # define DUMP_REGS(_meth, _frame, _inOnly) dvmDumpRegs(_meth, _frame, _inOnly) 139 static const char kSpacing[] = " "; 140 #else 141 # define ILOGD(...) ((void)0) 142 # define ILOGV(...) ((void)0) 143 # define DUMP_REGS(_meth, _frame, _inOnly) ((void)0) 144 #endif 145 146 /* get a long from an array of u4 */ 147 static inline s8 getLongFromArray(const u4* ptr, int idx) 148 { 149 #if defined(NO_UNALIGN_64__UNION) 150 union { s8 ll; u4 parts[2]; } conv; 151 152 ptr += idx; 153 conv.parts[0] = ptr[0]; 154 conv.parts[1] = ptr[1]; 155 return conv.ll; 156 #else 157 s8 val; 158 memcpy(&val, &ptr[idx], 8); 159 return val; 160 #endif 161 } 162 163 /* store a long into an array of u4 */ 164 static inline void putLongToArray(u4* ptr, int idx, s8 val) 165 { 166 #if defined(NO_UNALIGN_64__UNION) 167 union { s8 ll; u4 parts[2]; } conv; 168 169 ptr += idx; 170 conv.ll = val; 171 ptr[0] = conv.parts[0]; 172 ptr[1] = conv.parts[1]; 173 #else 174 memcpy(&ptr[idx], &val, 8); 175 #endif 176 } 177 178 /* get a double from an array of u4 */ 179 static inline double getDoubleFromArray(const u4* ptr, int idx) 180 { 181 #if defined(NO_UNALIGN_64__UNION) 182 union { double d; u4 parts[2]; } conv; 183 184 ptr += idx; 185 conv.parts[0] = ptr[0]; 186 conv.parts[1] = ptr[1]; 187 return conv.d; 188 #else 189 double dval; 190 memcpy(&dval, &ptr[idx], 8); 191 return dval; 192 #endif 193 } 194 195 /* store a double into an array of u4 */ 196 static inline void putDoubleToArray(u4* ptr, int idx, double dval) 197 { 198 #if defined(NO_UNALIGN_64__UNION) 199 union { double d; u4 parts[2]; } conv; 200 201 ptr += idx; 202 conv.d = dval; 203 ptr[0] = conv.parts[0]; 204 ptr[1] = conv.parts[1]; 205 #else 206 memcpy(&ptr[idx], &dval, 8); 207 #endif 208 } 209 210 /* 211 * If enabled, validate the register number on every access. Otherwise, 212 * just do an array access. 213 * 214 * Assumes the existence of "u4* fp". 215 * 216 * "_idx" may be referenced more than once. 217 */ 218 #ifdef CHECK_REGISTER_INDICES 219 # define GET_REGISTER(_idx) \ 220 ( (_idx) < curMethod->registersSize ? \ 221 (fp[(_idx)]) : (assert(!"bad reg"),1969) ) 222 # define SET_REGISTER(_idx, _val) \ 223 ( (_idx) < curMethod->registersSize ? \ 224 (fp[(_idx)] = (u4)(_val)) : (assert(!"bad reg"),1969) ) 225 # define GET_REGISTER_AS_OBJECT(_idx) ((Object *)GET_REGISTER(_idx)) 226 # define SET_REGISTER_AS_OBJECT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 227 # define GET_REGISTER_INT(_idx) ((s4) GET_REGISTER(_idx)) 228 # define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 229 # define GET_REGISTER_WIDE(_idx) \ 230 ( (_idx) < curMethod->registersSize-1 ? \ 231 getLongFromArray(fp, (_idx)) : (assert(!"bad reg"),1969) ) 232 # define SET_REGISTER_WIDE(_idx, _val) \ 233 ( (_idx) < curMethod->registersSize-1 ? \ 234 (void)putLongToArray(fp, (_idx), (_val)) : assert(!"bad reg") ) 235 # define GET_REGISTER_FLOAT(_idx) \ 236 ( (_idx) < curMethod->registersSize ? \ 237 (*((float*) &fp[(_idx)])) : (assert(!"bad reg"),1969.0f) ) 238 # define SET_REGISTER_FLOAT(_idx, _val) \ 239 ( (_idx) < curMethod->registersSize ? \ 240 (*((float*) &fp[(_idx)]) = (_val)) : (assert(!"bad reg"),1969.0f) ) 241 # define GET_REGISTER_DOUBLE(_idx) \ 242 ( (_idx) < curMethod->registersSize-1 ? \ 243 getDoubleFromArray(fp, (_idx)) : (assert(!"bad reg"),1969.0) ) 244 # define SET_REGISTER_DOUBLE(_idx, _val) \ 245 ( (_idx) < curMethod->registersSize-1 ? \ 246 (void)putDoubleToArray(fp, (_idx), (_val)) : assert(!"bad reg") ) 247 #else 248 # define GET_REGISTER(_idx) (fp[(_idx)]) 249 # define SET_REGISTER(_idx, _val) (fp[(_idx)] = (_val)) 250 # define GET_REGISTER_AS_OBJECT(_idx) ((Object*) fp[(_idx)]) 251 # define SET_REGISTER_AS_OBJECT(_idx, _val) (fp[(_idx)] = (u4)(_val)) 252 # define GET_REGISTER_INT(_idx) ((s4)GET_REGISTER(_idx)) 253 # define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 254 # define GET_REGISTER_WIDE(_idx) getLongFromArray(fp, (_idx)) 255 # define SET_REGISTER_WIDE(_idx, _val) putLongToArray(fp, (_idx), (_val)) 256 # define GET_REGISTER_FLOAT(_idx) (*((float*) &fp[(_idx)])) 257 # define SET_REGISTER_FLOAT(_idx, _val) (*((float*) &fp[(_idx)]) = (_val)) 258 # define GET_REGISTER_DOUBLE(_idx) getDoubleFromArray(fp, (_idx)) 259 # define SET_REGISTER_DOUBLE(_idx, _val) putDoubleToArray(fp, (_idx), (_val)) 260 #endif 261 262 /* 263 * Get 16 bits from the specified offset of the program counter. We always 264 * want to load 16 bits at a time from the instruction stream -- it's more 265 * efficient than 8 and won't have the alignment problems that 32 might. 266 * 267 * Assumes existence of "const u2* pc". 268 */ 269 #define FETCH(_offset) (pc[(_offset)]) 270 271 /* 272 * Extract instruction byte from 16-bit fetch (_inst is a u2). 273 */ 274 #define INST_INST(_inst) ((_inst) & 0xff) 275 276 /* 277 * Replace the opcode (used when handling breakpoints). _opcode is a u1. 278 */ 279 #define INST_REPLACE_OP(_inst, _opcode) (((_inst) & 0xff00) | _opcode) 280 281 /* 282 * Extract the "vA, vB" 4-bit registers from the instruction word (_inst is u2). 283 */ 284 #define INST_A(_inst) (((_inst) >> 8) & 0x0f) 285 #define INST_B(_inst) ((_inst) >> 12) 286 287 /* 288 * Get the 8-bit "vAA" 8-bit register index from the instruction word. 289 * (_inst is u2) 290 */ 291 #define INST_AA(_inst) ((_inst) >> 8) 292 293 /* 294 * The current PC must be available to Throwable constructors, e.g. 295 * those created by the various exception throw routines, so that the 296 * exception stack trace can be generated correctly. If we don't do this, 297 * the offset within the current method won't be shown correctly. See the 298 * notes in Exception.c. 299 * 300 * This is also used to determine the address for precise GC. 301 * 302 * Assumes existence of "u4* fp" and "const u2* pc". 303 */ 304 #define EXPORT_PC() (SAVEAREA_FROM_FP(fp)->xtra.currentPc = pc) 305 306 /* 307 * Check to see if "obj" is NULL. If so, throw an exception. Assumes the 308 * pc has already been exported to the stack. 309 * 310 * Perform additional checks on debug builds. 311 * 312 * Use this to check for NULL when the instruction handler calls into 313 * something that could throw an exception (so we have already called 314 * EXPORT_PC at the top). 315 */ 316 static inline bool checkForNull(Object* obj) 317 { 318 if (obj == NULL) { 319 dvmThrowNullPointerException(NULL); 320 return false; 321 } 322 #ifdef WITH_EXTRA_OBJECT_VALIDATION 323 if (!dvmIsHeapAddress(obj)) { 324 ALOGE("Invalid object %p", obj); 325 dvmAbort(); 326 } 327 #endif 328 #ifndef NDEBUG 329 if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { 330 /* probable heap corruption */ 331 ALOGE("Invalid object class %p (in %p)", obj->clazz, obj); 332 dvmAbort(); 333 } 334 #endif 335 return true; 336 } 337 338 /* 339 * Check to see if "obj" is NULL. If so, export the PC into the stack 340 * frame and throw an exception. 341 * 342 * Perform additional checks on debug builds. 343 * 344 * Use this to check for NULL when the instruction handler doesn't do 345 * anything else that can throw an exception. 346 */ 347 static inline bool checkForNullExportPC(Object* obj, u4* fp, const u2* pc) 348 { 349 if (obj == NULL) { 350 EXPORT_PC(); 351 dvmThrowNullPointerException(NULL); 352 return false; 353 } 354 #ifdef WITH_EXTRA_OBJECT_VALIDATION 355 if (!dvmIsHeapAddress(obj)) { 356 ALOGE("Invalid object %p", obj); 357 dvmAbort(); 358 } 359 #endif 360 #ifndef NDEBUG 361 if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { 362 /* probable heap corruption */ 363 ALOGE("Invalid object class %p (in %p)", obj->clazz, obj); 364 dvmAbort(); 365 } 366 #endif 367 return true; 368 } 369 370 /* File: cstubs/stubdefs.cpp */ 371 /* 372 * In the C mterp stubs, "goto" is a function call followed immediately 373 * by a return. 374 */ 375 376 #define GOTO_TARGET_DECL(_target, ...) \ 377 extern "C" void dvmMterp_##_target(Thread* self, ## __VA_ARGS__); 378 379 /* (void)xxx to quiet unused variable compiler warnings. */ 380 #define GOTO_TARGET(_target, ...) \ 381 void dvmMterp_##_target(Thread* self, ## __VA_ARGS__) { \ 382 u2 ref, vsrc1, vsrc2, vdst; \ 383 u2 inst = FETCH(0); \ 384 const Method* methodToCall; \ 385 StackSaveArea* debugSaveArea; \ 386 (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; \ 387 (void)methodToCall; (void)debugSaveArea; 388 389 #define GOTO_TARGET_END } 390 391 /* 392 * Redefine what used to be local variable accesses into Thread struct 393 * references. (These are undefined down in "footer.cpp".) 394 */ 395 #define retval self->interpSave.retval 396 #define pc self->interpSave.pc 397 #define fp self->interpSave.curFrame 398 #define curMethod self->interpSave.method 399 #define methodClassDex self->interpSave.methodClassDex 400 #define debugTrackedRefStart self->interpSave.debugTrackedRefStart 401 402 /* ugh */ 403 #define STUB_HACK(x) x 404 #if defined(WITH_JIT) 405 #define JIT_STUB_HACK(x) x 406 #else 407 #define JIT_STUB_HACK(x) 408 #endif 409 410 /* 411 * InterpSave's pc and fp must be valid when breaking out to a 412 * "Reportxxx" routine. Because the portable interpreter uses local 413 * variables for these, we must flush prior. Stubs, however, use 414 * the interpSave vars directly, so this is a nop for stubs. 415 */ 416 #define PC_FP_TO_SELF() 417 #define PC_TO_SELF() 418 419 /* 420 * Opcode handler framing macros. Here, each opcode is a separate function 421 * that takes a "self" argument and returns void. We can't declare 422 * these "static" because they may be called from an assembly stub. 423 * (void)xxx to quiet unused variable compiler warnings. 424 */ 425 #define HANDLE_OPCODE(_op) \ 426 extern "C" void dvmMterp_##_op(Thread* self); \ 427 void dvmMterp_##_op(Thread* self) { \ 428 u4 ref; \ 429 u2 vsrc1, vsrc2, vdst; \ 430 u2 inst = FETCH(0); \ 431 (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; 432 433 #define OP_END } 434 435 /* 436 * Like the "portable" FINISH, but don't reload "inst", and return to caller 437 * when done. Further, debugger/profiler checks are handled 438 * before handler execution in mterp, so we don't do them here either. 439 */ 440 #if defined(WITH_JIT) 441 #define FINISH(_offset) { \ 442 ADJUST_PC(_offset); \ 443 if (self->interpBreak.ctl.subMode & kSubModeJitTraceBuild) { \ 444 dvmCheckJit(pc, self); \ 445 } \ 446 return; \ 447 } 448 #else 449 #define FINISH(_offset) { \ 450 ADJUST_PC(_offset); \ 451 return; \ 452 } 453 #endif 454 455 456 /* 457 * The "goto label" statements turn into function calls followed by 458 * return statements. Some of the functions take arguments, which in the 459 * portable interpreter are handled by assigning values to globals. 460 */ 461 462 #define GOTO_exceptionThrown() \ 463 do { \ 464 dvmMterp_exceptionThrown(self); \ 465 return; \ 466 } while(false) 467 468 #define GOTO_returnFromMethod() \ 469 do { \ 470 dvmMterp_returnFromMethod(self); \ 471 return; \ 472 } while(false) 473 474 #define GOTO_invoke(_target, _methodCallRange) \ 475 do { \ 476 dvmMterp_##_target(self, _methodCallRange); \ 477 return; \ 478 } while(false) 479 480 #define GOTO_invokeMethod(_methodCallRange, _methodToCall, _vsrc1, _vdst) \ 481 do { \ 482 dvmMterp_invokeMethod(self, _methodCallRange, _methodToCall, \ 483 _vsrc1, _vdst); \ 484 return; \ 485 } while(false) 486 487 /* 488 * As a special case, "goto bail" turns into a longjmp. 489 */ 490 #define GOTO_bail() \ 491 dvmMterpStdBail(self, false); 492 493 /* 494 * Periodically check for thread suspension. 495 * 496 * While we're at it, see if a debugger has attached or the profiler has 497 * started. 498 */ 499 #define PERIODIC_CHECKS(_pcadj) { \ 500 if (dvmCheckSuspendQuick(self)) { \ 501 EXPORT_PC(); /* need for precise GC */ \ 502 dvmCheckSuspendPending(self); \ 503 } \ 504 } 505 506 /* File: c/opcommon.cpp */ 507 /* forward declarations of goto targets */ 508 GOTO_TARGET_DECL(filledNewArray, bool methodCallRange); 509 GOTO_TARGET_DECL(invokeVirtual, bool methodCallRange); 510 GOTO_TARGET_DECL(invokeSuper, bool methodCallRange); 511 GOTO_TARGET_DECL(invokeInterface, bool methodCallRange); 512 GOTO_TARGET_DECL(invokeDirect, bool methodCallRange); 513 GOTO_TARGET_DECL(invokeStatic, bool methodCallRange); 514 GOTO_TARGET_DECL(invokeVirtualQuick, bool methodCallRange); 515 GOTO_TARGET_DECL(invokeSuperQuick, bool methodCallRange); 516 GOTO_TARGET_DECL(invokeMethod, bool methodCallRange, const Method* methodToCall, 517 u2 count, u2 regs); 518 GOTO_TARGET_DECL(returnFromMethod); 519 GOTO_TARGET_DECL(exceptionThrown); 520 521 /* 522 * =========================================================================== 523 * 524 * What follows are opcode definitions shared between multiple opcodes with 525 * minor substitutions handled by the C pre-processor. These should probably 526 * use the mterp substitution mechanism instead, with the code here moved 527 * into common fragment files (like the asm "binop.S"), although it's hard 528 * to give up the C preprocessor in favor of the much simpler text subst. 529 * 530 * =========================================================================== 531 */ 532 533 #define HANDLE_NUMCONV(_opcode, _opname, _fromtype, _totype) \ 534 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 535 vdst = INST_A(inst); \ 536 vsrc1 = INST_B(inst); \ 537 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 538 SET_REGISTER##_totype(vdst, \ 539 GET_REGISTER##_fromtype(vsrc1)); \ 540 FINISH(1); 541 542 #define HANDLE_FLOAT_TO_INT(_opcode, _opname, _fromvtype, _fromrtype, \ 543 _tovtype, _tortype) \ 544 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 545 { \ 546 /* spec defines specific handling for +/- inf and NaN values */ \ 547 _fromvtype val; \ 548 _tovtype intMin, intMax, result; \ 549 vdst = INST_A(inst); \ 550 vsrc1 = INST_B(inst); \ 551 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 552 val = GET_REGISTER##_fromrtype(vsrc1); \ 553 intMin = (_tovtype) 1 << (sizeof(_tovtype) * 8 -1); \ 554 intMax = ~intMin; \ 555 result = (_tovtype) val; \ 556 if (val >= intMax) /* +inf */ \ 557 result = intMax; \ 558 else if (val <= intMin) /* -inf */ \ 559 result = intMin; \ 560 else if (val != val) /* NaN */ \ 561 result = 0; \ 562 else \ 563 result = (_tovtype) val; \ 564 SET_REGISTER##_tortype(vdst, result); \ 565 } \ 566 FINISH(1); 567 568 #define HANDLE_INT_TO_SMALL(_opcode, _opname, _type) \ 569 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 570 vdst = INST_A(inst); \ 571 vsrc1 = INST_B(inst); \ 572 ILOGV("|int-to-%s v%d,v%d", (_opname), vdst, vsrc1); \ 573 SET_REGISTER(vdst, (_type) GET_REGISTER(vsrc1)); \ 574 FINISH(1); 575 576 /* NOTE: the comparison result is always a signed 4-byte integer */ 577 #define HANDLE_OP_CMPX(_opcode, _opname, _varType, _type, _nanVal) \ 578 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 579 { \ 580 int result; \ 581 u2 regs; \ 582 _varType val1, val2; \ 583 vdst = INST_AA(inst); \ 584 regs = FETCH(1); \ 585 vsrc1 = regs & 0xff; \ 586 vsrc2 = regs >> 8; \ 587 ILOGV("|cmp%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 588 val1 = GET_REGISTER##_type(vsrc1); \ 589 val2 = GET_REGISTER##_type(vsrc2); \ 590 if (val1 == val2) \ 591 result = 0; \ 592 else if (val1 < val2) \ 593 result = -1; \ 594 else if (val1 > val2) \ 595 result = 1; \ 596 else \ 597 result = (_nanVal); \ 598 ILOGV("+ result=%d", result); \ 599 SET_REGISTER(vdst, result); \ 600 } \ 601 FINISH(2); 602 603 #define HANDLE_OP_IF_XX(_opcode, _opname, _cmp) \ 604 HANDLE_OPCODE(_opcode /*vA, vB, +CCCC*/) \ 605 vsrc1 = INST_A(inst); \ 606 vsrc2 = INST_B(inst); \ 607 if ((s4) GET_REGISTER(vsrc1) _cmp (s4) GET_REGISTER(vsrc2)) { \ 608 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 609 ILOGV("|if-%s v%d,v%d,+0x%04x", (_opname), vsrc1, vsrc2, \ 610 branchOffset); \ 611 ILOGV("> branch taken"); \ 612 if (branchOffset < 0) \ 613 PERIODIC_CHECKS(branchOffset); \ 614 FINISH(branchOffset); \ 615 } else { \ 616 ILOGV("|if-%s v%d,v%d,-", (_opname), vsrc1, vsrc2); \ 617 FINISH(2); \ 618 } 619 620 #define HANDLE_OP_IF_XXZ(_opcode, _opname, _cmp) \ 621 HANDLE_OPCODE(_opcode /*vAA, +BBBB*/) \ 622 vsrc1 = INST_AA(inst); \ 623 if ((s4) GET_REGISTER(vsrc1) _cmp 0) { \ 624 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 625 ILOGV("|if-%s v%d,+0x%04x", (_opname), vsrc1, branchOffset); \ 626 ILOGV("> branch taken"); \ 627 if (branchOffset < 0) \ 628 PERIODIC_CHECKS(branchOffset); \ 629 FINISH(branchOffset); \ 630 } else { \ 631 ILOGV("|if-%s v%d,-", (_opname), vsrc1); \ 632 FINISH(2); \ 633 } 634 635 #define HANDLE_UNOP(_opcode, _opname, _pfx, _sfx, _type) \ 636 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 637 vdst = INST_A(inst); \ 638 vsrc1 = INST_B(inst); \ 639 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 640 SET_REGISTER##_type(vdst, _pfx GET_REGISTER##_type(vsrc1) _sfx); \ 641 FINISH(1); 642 643 #define HANDLE_OP_X_INT(_opcode, _opname, _op, _chkdiv) \ 644 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 645 { \ 646 u2 srcRegs; \ 647 vdst = INST_AA(inst); \ 648 srcRegs = FETCH(1); \ 649 vsrc1 = srcRegs & 0xff; \ 650 vsrc2 = srcRegs >> 8; \ 651 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 652 if (_chkdiv != 0) { \ 653 s4 firstVal, secondVal, result; \ 654 firstVal = GET_REGISTER(vsrc1); \ 655 secondVal = GET_REGISTER(vsrc2); \ 656 if (secondVal == 0) { \ 657 EXPORT_PC(); \ 658 dvmThrowArithmeticException("divide by zero"); \ 659 GOTO_exceptionThrown(); \ 660 } \ 661 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 662 if (_chkdiv == 1) \ 663 result = firstVal; /* division */ \ 664 else \ 665 result = 0; /* remainder */ \ 666 } else { \ 667 result = firstVal _op secondVal; \ 668 } \ 669 SET_REGISTER(vdst, result); \ 670 } else { \ 671 /* non-div/rem case */ \ 672 SET_REGISTER(vdst, \ 673 (s4) GET_REGISTER(vsrc1) _op (s4) GET_REGISTER(vsrc2)); \ 674 } \ 675 } \ 676 FINISH(2); 677 678 #define HANDLE_OP_SHX_INT(_opcode, _opname, _cast, _op) \ 679 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 680 { \ 681 u2 srcRegs; \ 682 vdst = INST_AA(inst); \ 683 srcRegs = FETCH(1); \ 684 vsrc1 = srcRegs & 0xff; \ 685 vsrc2 = srcRegs >> 8; \ 686 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 687 SET_REGISTER(vdst, \ 688 _cast GET_REGISTER(vsrc1) _op (GET_REGISTER(vsrc2) & 0x1f)); \ 689 } \ 690 FINISH(2); 691 692 #define HANDLE_OP_X_INT_LIT16(_opcode, _opname, _op, _chkdiv) \ 693 HANDLE_OPCODE(_opcode /*vA, vB, #+CCCC*/) \ 694 vdst = INST_A(inst); \ 695 vsrc1 = INST_B(inst); \ 696 vsrc2 = FETCH(1); \ 697 ILOGV("|%s-int/lit16 v%d,v%d,#+0x%04x", \ 698 (_opname), vdst, vsrc1, vsrc2); \ 699 if (_chkdiv != 0) { \ 700 s4 firstVal, result; \ 701 firstVal = GET_REGISTER(vsrc1); \ 702 if ((s2) vsrc2 == 0) { \ 703 EXPORT_PC(); \ 704 dvmThrowArithmeticException("divide by zero"); \ 705 GOTO_exceptionThrown(); \ 706 } \ 707 if ((u4)firstVal == 0x80000000 && ((s2) vsrc2) == -1) { \ 708 /* won't generate /lit16 instr for this; check anyway */ \ 709 if (_chkdiv == 1) \ 710 result = firstVal; /* division */ \ 711 else \ 712 result = 0; /* remainder */ \ 713 } else { \ 714 result = firstVal _op (s2) vsrc2; \ 715 } \ 716 SET_REGISTER(vdst, result); \ 717 } else { \ 718 /* non-div/rem case */ \ 719 SET_REGISTER(vdst, GET_REGISTER(vsrc1) _op (s2) vsrc2); \ 720 } \ 721 FINISH(2); 722 723 #define HANDLE_OP_X_INT_LIT8(_opcode, _opname, _op, _chkdiv) \ 724 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 725 { \ 726 u2 litInfo; \ 727 vdst = INST_AA(inst); \ 728 litInfo = FETCH(1); \ 729 vsrc1 = litInfo & 0xff; \ 730 vsrc2 = litInfo >> 8; /* constant */ \ 731 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 732 (_opname), vdst, vsrc1, vsrc2); \ 733 if (_chkdiv != 0) { \ 734 s4 firstVal, result; \ 735 firstVal = GET_REGISTER(vsrc1); \ 736 if ((s1) vsrc2 == 0) { \ 737 EXPORT_PC(); \ 738 dvmThrowArithmeticException("divide by zero"); \ 739 GOTO_exceptionThrown(); \ 740 } \ 741 if ((u4)firstVal == 0x80000000 && ((s1) vsrc2) == -1) { \ 742 if (_chkdiv == 1) \ 743 result = firstVal; /* division */ \ 744 else \ 745 result = 0; /* remainder */ \ 746 } else { \ 747 result = firstVal _op ((s1) vsrc2); \ 748 } \ 749 SET_REGISTER(vdst, result); \ 750 } else { \ 751 SET_REGISTER(vdst, \ 752 (s4) GET_REGISTER(vsrc1) _op (s1) vsrc2); \ 753 } \ 754 } \ 755 FINISH(2); 756 757 #define HANDLE_OP_SHX_INT_LIT8(_opcode, _opname, _cast, _op) \ 758 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 759 { \ 760 u2 litInfo; \ 761 vdst = INST_AA(inst); \ 762 litInfo = FETCH(1); \ 763 vsrc1 = litInfo & 0xff; \ 764 vsrc2 = litInfo >> 8; /* constant */ \ 765 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 766 (_opname), vdst, vsrc1, vsrc2); \ 767 SET_REGISTER(vdst, \ 768 _cast GET_REGISTER(vsrc1) _op (vsrc2 & 0x1f)); \ 769 } \ 770 FINISH(2); 771 772 #define HANDLE_OP_X_INT_2ADDR(_opcode, _opname, _op, _chkdiv) \ 773 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 774 vdst = INST_A(inst); \ 775 vsrc1 = INST_B(inst); \ 776 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 777 if (_chkdiv != 0) { \ 778 s4 firstVal, secondVal, result; \ 779 firstVal = GET_REGISTER(vdst); \ 780 secondVal = GET_REGISTER(vsrc1); \ 781 if (secondVal == 0) { \ 782 EXPORT_PC(); \ 783 dvmThrowArithmeticException("divide by zero"); \ 784 GOTO_exceptionThrown(); \ 785 } \ 786 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 787 if (_chkdiv == 1) \ 788 result = firstVal; /* division */ \ 789 else \ 790 result = 0; /* remainder */ \ 791 } else { \ 792 result = firstVal _op secondVal; \ 793 } \ 794 SET_REGISTER(vdst, result); \ 795 } else { \ 796 SET_REGISTER(vdst, \ 797 (s4) GET_REGISTER(vdst) _op (s4) GET_REGISTER(vsrc1)); \ 798 } \ 799 FINISH(1); 800 801 #define HANDLE_OP_SHX_INT_2ADDR(_opcode, _opname, _cast, _op) \ 802 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 803 vdst = INST_A(inst); \ 804 vsrc1 = INST_B(inst); \ 805 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 806 SET_REGISTER(vdst, \ 807 _cast GET_REGISTER(vdst) _op (GET_REGISTER(vsrc1) & 0x1f)); \ 808 FINISH(1); 809 810 #define HANDLE_OP_X_LONG(_opcode, _opname, _op, _chkdiv) \ 811 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 812 { \ 813 u2 srcRegs; \ 814 vdst = INST_AA(inst); \ 815 srcRegs = FETCH(1); \ 816 vsrc1 = srcRegs & 0xff; \ 817 vsrc2 = srcRegs >> 8; \ 818 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 819 if (_chkdiv != 0) { \ 820 s8 firstVal, secondVal, result; \ 821 firstVal = GET_REGISTER_WIDE(vsrc1); \ 822 secondVal = GET_REGISTER_WIDE(vsrc2); \ 823 if (secondVal == 0LL) { \ 824 EXPORT_PC(); \ 825 dvmThrowArithmeticException("divide by zero"); \ 826 GOTO_exceptionThrown(); \ 827 } \ 828 if ((u8)firstVal == 0x8000000000000000ULL && \ 829 secondVal == -1LL) \ 830 { \ 831 if (_chkdiv == 1) \ 832 result = firstVal; /* division */ \ 833 else \ 834 result = 0; /* remainder */ \ 835 } else { \ 836 result = firstVal _op secondVal; \ 837 } \ 838 SET_REGISTER_WIDE(vdst, result); \ 839 } else { \ 840 SET_REGISTER_WIDE(vdst, \ 841 (s8) GET_REGISTER_WIDE(vsrc1) _op (s8) GET_REGISTER_WIDE(vsrc2)); \ 842 } \ 843 } \ 844 FINISH(2); 845 846 #define HANDLE_OP_SHX_LONG(_opcode, _opname, _cast, _op) \ 847 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 848 { \ 849 u2 srcRegs; \ 850 vdst = INST_AA(inst); \ 851 srcRegs = FETCH(1); \ 852 vsrc1 = srcRegs & 0xff; \ 853 vsrc2 = srcRegs >> 8; \ 854 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 855 SET_REGISTER_WIDE(vdst, \ 856 _cast GET_REGISTER_WIDE(vsrc1) _op (GET_REGISTER(vsrc2) & 0x3f)); \ 857 } \ 858 FINISH(2); 859 860 #define HANDLE_OP_X_LONG_2ADDR(_opcode, _opname, _op, _chkdiv) \ 861 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 862 vdst = INST_A(inst); \ 863 vsrc1 = INST_B(inst); \ 864 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 865 if (_chkdiv != 0) { \ 866 s8 firstVal, secondVal, result; \ 867 firstVal = GET_REGISTER_WIDE(vdst); \ 868 secondVal = GET_REGISTER_WIDE(vsrc1); \ 869 if (secondVal == 0LL) { \ 870 EXPORT_PC(); \ 871 dvmThrowArithmeticException("divide by zero"); \ 872 GOTO_exceptionThrown(); \ 873 } \ 874 if ((u8)firstVal == 0x8000000000000000ULL && \ 875 secondVal == -1LL) \ 876 { \ 877 if (_chkdiv == 1) \ 878 result = firstVal; /* division */ \ 879 else \ 880 result = 0; /* remainder */ \ 881 } else { \ 882 result = firstVal _op secondVal; \ 883 } \ 884 SET_REGISTER_WIDE(vdst, result); \ 885 } else { \ 886 SET_REGISTER_WIDE(vdst, \ 887 (s8) GET_REGISTER_WIDE(vdst) _op (s8)GET_REGISTER_WIDE(vsrc1));\ 888 } \ 889 FINISH(1); 890 891 #define HANDLE_OP_SHX_LONG_2ADDR(_opcode, _opname, _cast, _op) \ 892 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 893 vdst = INST_A(inst); \ 894 vsrc1 = INST_B(inst); \ 895 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 896 SET_REGISTER_WIDE(vdst, \ 897 _cast GET_REGISTER_WIDE(vdst) _op (GET_REGISTER(vsrc1) & 0x3f)); \ 898 FINISH(1); 899 900 #define HANDLE_OP_X_FLOAT(_opcode, _opname, _op) \ 901 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 902 { \ 903 u2 srcRegs; \ 904 vdst = INST_AA(inst); \ 905 srcRegs = FETCH(1); \ 906 vsrc1 = srcRegs & 0xff; \ 907 vsrc2 = srcRegs >> 8; \ 908 ILOGV("|%s-float v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 909 SET_REGISTER_FLOAT(vdst, \ 910 GET_REGISTER_FLOAT(vsrc1) _op GET_REGISTER_FLOAT(vsrc2)); \ 911 } \ 912 FINISH(2); 913 914 #define HANDLE_OP_X_DOUBLE(_opcode, _opname, _op) \ 915 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 916 { \ 917 u2 srcRegs; \ 918 vdst = INST_AA(inst); \ 919 srcRegs = FETCH(1); \ 920 vsrc1 = srcRegs & 0xff; \ 921 vsrc2 = srcRegs >> 8; \ 922 ILOGV("|%s-double v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 923 SET_REGISTER_DOUBLE(vdst, \ 924 GET_REGISTER_DOUBLE(vsrc1) _op GET_REGISTER_DOUBLE(vsrc2)); \ 925 } \ 926 FINISH(2); 927 928 #define HANDLE_OP_X_FLOAT_2ADDR(_opcode, _opname, _op) \ 929 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 930 vdst = INST_A(inst); \ 931 vsrc1 = INST_B(inst); \ 932 ILOGV("|%s-float-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 933 SET_REGISTER_FLOAT(vdst, \ 934 GET_REGISTER_FLOAT(vdst) _op GET_REGISTER_FLOAT(vsrc1)); \ 935 FINISH(1); 936 937 #define HANDLE_OP_X_DOUBLE_2ADDR(_opcode, _opname, _op) \ 938 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 939 vdst = INST_A(inst); \ 940 vsrc1 = INST_B(inst); \ 941 ILOGV("|%s-double-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 942 SET_REGISTER_DOUBLE(vdst, \ 943 GET_REGISTER_DOUBLE(vdst) _op GET_REGISTER_DOUBLE(vsrc1)); \ 944 FINISH(1); 945 946 #define HANDLE_OP_AGET(_opcode, _opname, _type, _regsize) \ 947 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 948 { \ 949 ArrayObject* arrayObj; \ 950 u2 arrayInfo; \ 951 EXPORT_PC(); \ 952 vdst = INST_AA(inst); \ 953 arrayInfo = FETCH(1); \ 954 vsrc1 = arrayInfo & 0xff; /* array ptr */ \ 955 vsrc2 = arrayInfo >> 8; /* index */ \ 956 ILOGV("|aget%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 957 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 958 if (!checkForNull((Object*) arrayObj)) \ 959 GOTO_exceptionThrown(); \ 960 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 961 dvmThrowArrayIndexOutOfBoundsException( \ 962 arrayObj->length, GET_REGISTER(vsrc2)); \ 963 GOTO_exceptionThrown(); \ 964 } \ 965 SET_REGISTER##_regsize(vdst, \ 966 ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)]); \ 967 ILOGV("+ AGET[%d]=%#x", GET_REGISTER(vsrc2), GET_REGISTER(vdst)); \ 968 } \ 969 FINISH(2); 970 971 #define HANDLE_OP_APUT(_opcode, _opname, _type, _regsize) \ 972 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 973 { \ 974 ArrayObject* arrayObj; \ 975 u2 arrayInfo; \ 976 EXPORT_PC(); \ 977 vdst = INST_AA(inst); /* AA: source value */ \ 978 arrayInfo = FETCH(1); \ 979 vsrc1 = arrayInfo & 0xff; /* BB: array ptr */ \ 980 vsrc2 = arrayInfo >> 8; /* CC: index */ \ 981 ILOGV("|aput%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 982 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 983 if (!checkForNull((Object*) arrayObj)) \ 984 GOTO_exceptionThrown(); \ 985 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 986 dvmThrowArrayIndexOutOfBoundsException( \ 987 arrayObj->length, GET_REGISTER(vsrc2)); \ 988 GOTO_exceptionThrown(); \ 989 } \ 990 ILOGV("+ APUT[%d]=0x%08x", GET_REGISTER(vsrc2), GET_REGISTER(vdst));\ 991 ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)] = \ 992 GET_REGISTER##_regsize(vdst); \ 993 } \ 994 FINISH(2); 995 996 /* 997 * It's possible to get a bad value out of a field with sub-32-bit stores 998 * because the -quick versions always operate on 32 bits. Consider: 999 * short foo = -1 (sets a 32-bit register to 0xffffffff) 1000 * iput-quick foo (writes all 32 bits to the field) 1001 * short bar = 1 (sets a 32-bit register to 0x00000001) 1002 * iput-short (writes the low 16 bits to the field) 1003 * iget-quick foo (reads all 32 bits from the field, yielding 0xffff0001) 1004 * This can only happen when optimized and non-optimized code has interleaved 1005 * access to the same field. This is unlikely but possible. 1006 * 1007 * The easiest way to fix this is to always read/write 32 bits at a time. On 1008 * a device with a 16-bit data bus this is sub-optimal. (The alternative 1009 * approach is to have sub-int versions of iget-quick, but now we're wasting 1010 * Dalvik instruction space and making it less likely that handler code will 1011 * already be in the CPU i-cache.) 1012 */ 1013 #define HANDLE_IGET_X(_opcode, _opname, _ftype, _regsize) \ 1014 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1015 { \ 1016 InstField* ifield; \ 1017 Object* obj; \ 1018 EXPORT_PC(); \ 1019 vdst = INST_A(inst); \ 1020 vsrc1 = INST_B(inst); /* object ptr */ \ 1021 ref = FETCH(1); /* field ref */ \ 1022 ILOGV("|iget%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1023 obj = (Object*) GET_REGISTER(vsrc1); \ 1024 if (!checkForNull(obj)) \ 1025 GOTO_exceptionThrown(); \ 1026 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1027 if (ifield == NULL) { \ 1028 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1029 if (ifield == NULL) \ 1030 GOTO_exceptionThrown(); \ 1031 } \ 1032 SET_REGISTER##_regsize(vdst, \ 1033 dvmGetField##_ftype(obj, ifield->byteOffset)); \ 1034 ILOGV("+ IGET '%s'=0x%08llx", ifield->field.name, \ 1035 (u8) GET_REGISTER##_regsize(vdst)); \ 1036 } \ 1037 FINISH(2); 1038 1039 #define HANDLE_IGET_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1040 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1041 { \ 1042 Object* obj; \ 1043 vdst = INST_A(inst); \ 1044 vsrc1 = INST_B(inst); /* object ptr */ \ 1045 ref = FETCH(1); /* field offset */ \ 1046 ILOGV("|iget%s-quick v%d,v%d,field@+%u", \ 1047 (_opname), vdst, vsrc1, ref); \ 1048 obj = (Object*) GET_REGISTER(vsrc1); \ 1049 if (!checkForNullExportPC(obj, fp, pc)) \ 1050 GOTO_exceptionThrown(); \ 1051 SET_REGISTER##_regsize(vdst, dvmGetField##_ftype(obj, ref)); \ 1052 ILOGV("+ IGETQ %d=0x%08llx", ref, \ 1053 (u8) GET_REGISTER##_regsize(vdst)); \ 1054 } \ 1055 FINISH(2); 1056 1057 #define HANDLE_IPUT_X(_opcode, _opname, _ftype, _regsize) \ 1058 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1059 { \ 1060 InstField* ifield; \ 1061 Object* obj; \ 1062 EXPORT_PC(); \ 1063 vdst = INST_A(inst); \ 1064 vsrc1 = INST_B(inst); /* object ptr */ \ 1065 ref = FETCH(1); /* field ref */ \ 1066 ILOGV("|iput%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1067 obj = (Object*) GET_REGISTER(vsrc1); \ 1068 if (!checkForNull(obj)) \ 1069 GOTO_exceptionThrown(); \ 1070 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1071 if (ifield == NULL) { \ 1072 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1073 if (ifield == NULL) \ 1074 GOTO_exceptionThrown(); \ 1075 } \ 1076 dvmSetField##_ftype(obj, ifield->byteOffset, \ 1077 GET_REGISTER##_regsize(vdst)); \ 1078 ILOGV("+ IPUT '%s'=0x%08llx", ifield->field.name, \ 1079 (u8) GET_REGISTER##_regsize(vdst)); \ 1080 } \ 1081 FINISH(2); 1082 1083 #define HANDLE_IPUT_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1084 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1085 { \ 1086 Object* obj; \ 1087 vdst = INST_A(inst); \ 1088 vsrc1 = INST_B(inst); /* object ptr */ \ 1089 ref = FETCH(1); /* field offset */ \ 1090 ILOGV("|iput%s-quick v%d,v%d,field@0x%04x", \ 1091 (_opname), vdst, vsrc1, ref); \ 1092 obj = (Object*) GET_REGISTER(vsrc1); \ 1093 if (!checkForNullExportPC(obj, fp, pc)) \ 1094 GOTO_exceptionThrown(); \ 1095 dvmSetField##_ftype(obj, ref, GET_REGISTER##_regsize(vdst)); \ 1096 ILOGV("+ IPUTQ %d=0x%08llx", ref, \ 1097 (u8) GET_REGISTER##_regsize(vdst)); \ 1098 } \ 1099 FINISH(2); 1100 1101 /* 1102 * The JIT needs dvmDexGetResolvedField() to return non-null. 1103 * Because the portable interpreter is not involved with the JIT 1104 * and trace building, we only need the extra check here when this 1105 * code is massaged into a stub called from an assembly interpreter. 1106 * This is controlled by the JIT_STUB_HACK maco. 1107 */ 1108 1109 #define HANDLE_SGET_X(_opcode, _opname, _ftype, _regsize) \ 1110 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1111 { \ 1112 StaticField* sfield; \ 1113 vdst = INST_AA(inst); \ 1114 ref = FETCH(1); /* field ref */ \ 1115 ILOGV("|sget%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1116 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1117 if (sfield == NULL) { \ 1118 EXPORT_PC(); \ 1119 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1120 if (sfield == NULL) \ 1121 GOTO_exceptionThrown(); \ 1122 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1123 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1124 } \ 1125 } \ 1126 SET_REGISTER##_regsize(vdst, dvmGetStaticField##_ftype(sfield)); \ 1127 ILOGV("+ SGET '%s'=0x%08llx", \ 1128 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1129 } \ 1130 FINISH(2); 1131 1132 #define HANDLE_SPUT_X(_opcode, _opname, _ftype, _regsize) \ 1133 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1134 { \ 1135 StaticField* sfield; \ 1136 vdst = INST_AA(inst); \ 1137 ref = FETCH(1); /* field ref */ \ 1138 ILOGV("|sput%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1139 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1140 if (sfield == NULL) { \ 1141 EXPORT_PC(); \ 1142 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1143 if (sfield == NULL) \ 1144 GOTO_exceptionThrown(); \ 1145 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1146 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1147 } \ 1148 } \ 1149 dvmSetStaticField##_ftype(sfield, GET_REGISTER##_regsize(vdst)); \ 1150 ILOGV("+ SPUT '%s'=0x%08llx", \ 1151 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1152 } \ 1153 FINISH(2); 1154 1155 /* File: cstubs/enddefs.cpp */ 1156 1157 /* undefine "magic" name remapping */ 1158 #undef retval 1159 #undef pc 1160 #undef fp 1161 #undef curMethod 1162 #undef methodClassDex 1163 #undef self 1164 #undef debugTrackedRefStart 1165 1166 /* File: armv5te/debug.cpp */ 1167 #include <inttypes.h> 1168 1169 /* 1170 * Dump the fixed-purpose ARM registers, along with some other info. 1171 * 1172 * This function MUST be compiled in ARM mode -- THUMB will yield bogus 1173 * results. 1174 * 1175 * This will NOT preserve r0-r3/ip. 1176 */ 1177 void dvmMterpDumpArmRegs(uint32_t r0, uint32_t r1, uint32_t r2, uint32_t r3) 1178 { 1179 // TODO: Clang does not support asm declaration syntax. 1180 #ifndef __clang__ 1181 register uint32_t rPC asm("r4"); 1182 register uint32_t rFP asm("r5"); 1183 register uint32_t rSELF asm("r6"); 1184 register uint32_t rINST asm("r7"); 1185 register uint32_t rIBASE asm("r8"); 1186 register uint32_t r9 asm("r9"); 1187 register uint32_t r10 asm("r10"); 1188 1189 //extern char dvmAsmInstructionStart[]; 1190 1191 printf("REGS: r0=%08x r1=%08x r2=%08x r3=%08x\n", r0, r1, r2, r3); 1192 printf(" : rPC=%08x rFP=%08x rSELF=%08x rINST=%08x\n", 1193 rPC, rFP, rSELF, rINST); 1194 printf(" : rIBASE=%08x r9=%08x r10=%08x\n", rIBASE, r9, r10); 1195 #endif 1196 1197 //Thread* self = (Thread*) rSELF; 1198 //const Method* method = self->method; 1199 printf(" + self is %p\n", dvmThreadSelf()); 1200 //printf(" + currently in %s.%s %s\n", 1201 // method->clazz->descriptor, method->name, method->shorty); 1202 //printf(" + dvmAsmInstructionStart = %p\n", dvmAsmInstructionStart); 1203 //printf(" + next handler for 0x%02x = %p\n", 1204 // rINST & 0xff, dvmAsmInstructionStart + (rINST & 0xff) * 64); 1205 } 1206 1207 /* 1208 * Dump the StackSaveArea for the specified frame pointer. 1209 */ 1210 void dvmDumpFp(void* fp, StackSaveArea* otherSaveArea) 1211 { 1212 StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp); 1213 printf("StackSaveArea for fp %p [%p/%p]:\n", fp, saveArea, otherSaveArea); 1214 #ifdef EASY_GDB 1215 printf(" prevSave=%p, prevFrame=%p savedPc=%p meth=%p curPc=%p\n", 1216 saveArea->prevSave, saveArea->prevFrame, saveArea->savedPc, 1217 saveArea->method, saveArea->xtra.currentPc); 1218 #else 1219 printf(" prevFrame=%p savedPc=%p meth=%p curPc=%p fp[0]=0x%08x\n", 1220 saveArea->prevFrame, saveArea->savedPc, 1221 saveArea->method, saveArea->xtra.currentPc, 1222 *(u4*)fp); 1223 #endif 1224 } 1225 1226 /* 1227 * Does the bulk of the work for common_printMethod(). 1228 */ 1229 void dvmMterpPrintMethod(Method* method) 1230 { 1231 /* 1232 * It is a direct (non-virtual) method if it is static, private, 1233 * or a constructor. 1234 */ 1235 bool isDirect = 1236 ((method->accessFlags & (ACC_STATIC|ACC_PRIVATE)) != 0) || 1237 (method->name[0] == '<'); 1238 1239 char* desc = dexProtoCopyMethodDescriptor(&method->prototype); 1240 1241 printf("<%c:%s.%s %s> ", 1242 isDirect ? 'D' : 'V', 1243 method->clazz->descriptor, 1244 method->name, 1245 desc); 1246 1247 free(desc); 1248 } 1249 1250
