InterpC-x86-atom.cpp revision 3185a41fe8b3223003a07685c1acdf44bfe148d0
1/* 2 * This file was generated automatically by gen-mterp.py for 'x86-atom'. 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) 137void dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly); 138# define DUMP_REGS(_meth, _frame, _inOnly) dvmDumpRegs(_meth, _frame, _inOnly) 139static 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 */ 147static 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 */ 164static 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 */ 179static 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 */ 196static 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 */ 316static 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 */ 347static 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 */ 508GOTO_TARGET_DECL(filledNewArray, bool methodCallRange); 509GOTO_TARGET_DECL(invokeVirtual, bool methodCallRange); 510GOTO_TARGET_DECL(invokeSuper, bool methodCallRange); 511GOTO_TARGET_DECL(invokeInterface, bool methodCallRange); 512GOTO_TARGET_DECL(invokeDirect, bool methodCallRange); 513GOTO_TARGET_DECL(invokeStatic, bool methodCallRange); 514GOTO_TARGET_DECL(invokeVirtualQuick, bool methodCallRange); 515GOTO_TARGET_DECL(invokeSuperQuick, bool methodCallRange); 516GOTO_TARGET_DECL(invokeMethod, bool methodCallRange, const Method* methodToCall, 517 u2 count, u2 regs); 518GOTO_TARGET_DECL(returnFromMethod); 519GOTO_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: c/OP_IGET_VOLATILE.cpp */ 1156HANDLE_IGET_X(OP_IGET_VOLATILE, "-volatile", IntVolatile, ) 1157OP_END 1158 1159/* File: c/OP_IPUT_VOLATILE.cpp */ 1160HANDLE_IPUT_X(OP_IPUT_VOLATILE, "-volatile", IntVolatile, ) 1161OP_END 1162 1163/* File: c/OP_SGET_VOLATILE.cpp */ 1164HANDLE_SGET_X(OP_SGET_VOLATILE, "-volatile", IntVolatile, ) 1165OP_END 1166 1167/* File: c/OP_SPUT_VOLATILE.cpp */ 1168HANDLE_SPUT_X(OP_SPUT_VOLATILE, "-volatile", IntVolatile, ) 1169OP_END 1170 1171/* File: c/OP_IGET_OBJECT_VOLATILE.cpp */ 1172HANDLE_IGET_X(OP_IGET_OBJECT_VOLATILE, "-object-volatile", ObjectVolatile, _AS_OBJECT) 1173OP_END 1174 1175/* File: c/OP_IGET_WIDE_VOLATILE.cpp */ 1176HANDLE_IGET_X(OP_IGET_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1177OP_END 1178 1179/* File: c/OP_IPUT_WIDE_VOLATILE.cpp */ 1180HANDLE_IPUT_X(OP_IPUT_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1181OP_END 1182 1183/* File: c/OP_SGET_WIDE_VOLATILE.cpp */ 1184HANDLE_SGET_X(OP_SGET_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1185OP_END 1186 1187/* File: c/OP_SPUT_WIDE_VOLATILE.cpp */ 1188HANDLE_SPUT_X(OP_SPUT_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1189OP_END 1190 1191/* File: c/OP_BREAKPOINT.cpp */ 1192HANDLE_OPCODE(OP_BREAKPOINT) 1193 { 1194 /* 1195 * Restart this instruction with the original opcode. We do 1196 * this by simply jumping to the handler. 1197 * 1198 * It's probably not necessary to update "inst", but we do it 1199 * for the sake of anything that needs to do disambiguation in a 1200 * common handler with INST_INST. 1201 * 1202 * The breakpoint itself is handled over in updateDebugger(), 1203 * because we need to detect other events (method entry, single 1204 * step) and report them in the same event packet, and we're not 1205 * yet handling those through breakpoint instructions. By the 1206 * time we get here, the breakpoint has already been handled and 1207 * the thread resumed. 1208 */ 1209 u1 originalOpcode = dvmGetOriginalOpcode(pc); 1210 ALOGV("+++ break 0x%02x (0x%04x -> 0x%04x)", originalOpcode, inst, 1211 INST_REPLACE_OP(inst, originalOpcode)); 1212 inst = INST_REPLACE_OP(inst, originalOpcode); 1213 FINISH_BKPT(originalOpcode); 1214 } 1215OP_END 1216 1217/* File: c/OP_EXECUTE_INLINE_RANGE.cpp */ 1218HANDLE_OPCODE(OP_EXECUTE_INLINE_RANGE /*{vCCCC..v(CCCC+AA-1)}, inline@BBBB*/) 1219 { 1220 u4 arg0, arg1, arg2, arg3; 1221 arg0 = arg1 = arg2 = arg3 = 0; /* placate gcc */ 1222 1223 EXPORT_PC(); 1224 1225 vsrc1 = INST_AA(inst); /* #of args */ 1226 ref = FETCH(1); /* inline call "ref" */ 1227 vdst = FETCH(2); /* range base */ 1228 ILOGV("|execute-inline-range args=%d @%d {regs=v%d-v%d}", 1229 vsrc1, ref, vdst, vdst+vsrc1-1); 1230 1231 assert((vdst >> 16) == 0); // 16-bit type -or- high 16 bits clear 1232 assert(vsrc1 <= 4); 1233 1234 switch (vsrc1) { 1235 case 4: 1236 arg3 = GET_REGISTER(vdst+3); 1237 /* fall through */ 1238 case 3: 1239 arg2 = GET_REGISTER(vdst+2); 1240 /* fall through */ 1241 case 2: 1242 arg1 = GET_REGISTER(vdst+1); 1243 /* fall through */ 1244 case 1: 1245 arg0 = GET_REGISTER(vdst+0); 1246 /* fall through */ 1247 default: // case 0 1248 ; 1249 } 1250 1251 if (self->interpBreak.ctl.subMode & kSubModeDebuggerActive) { 1252 if (!dvmPerformInlineOp4Dbg(arg0, arg1, arg2, arg3, &retval, ref)) 1253 GOTO_exceptionThrown(); 1254 } else { 1255 if (!dvmPerformInlineOp4Std(arg0, arg1, arg2, arg3, &retval, ref)) 1256 GOTO_exceptionThrown(); 1257 } 1258 } 1259 FINISH(3); 1260OP_END 1261 1262/* File: c/OP_INVOKE_OBJECT_INIT_RANGE.cpp */ 1263HANDLE_OPCODE(OP_INVOKE_OBJECT_INIT_RANGE /*{vCCCC..v(CCCC+AA-1)}, meth@BBBB*/) 1264 { 1265 Object* obj; 1266 1267 vsrc1 = FETCH(2); /* reg number of "this" pointer */ 1268 obj = GET_REGISTER_AS_OBJECT(vsrc1); 1269 1270 if (!checkForNullExportPC(obj, fp, pc)) 1271 GOTO_exceptionThrown(); 1272 1273 /* 1274 * The object should be marked "finalizable" when Object.<init> 1275 * completes normally. We're going to assume it does complete 1276 * (by virtue of being nothing but a return-void) and set it now. 1277 */ 1278 if (IS_CLASS_FLAG_SET(obj->clazz, CLASS_ISFINALIZABLE)) { 1279 EXPORT_PC(); 1280 dvmSetFinalizable(obj); 1281 if (dvmGetException(self)) 1282 GOTO_exceptionThrown(); 1283 } 1284 1285 if (self->interpBreak.ctl.subMode & kSubModeDebuggerActive) { 1286 /* behave like OP_INVOKE_DIRECT_RANGE */ 1287 GOTO_invoke(invokeDirect, true); 1288 } 1289 FINISH(3); 1290 } 1291OP_END 1292 1293/* File: c/OP_RETURN_VOID_BARRIER.cpp */ 1294HANDLE_OPCODE(OP_RETURN_VOID_BARRIER /**/) 1295 ILOGV("|return-void"); 1296#ifndef NDEBUG 1297 retval.j = 0xababababULL; /* placate valgrind */ 1298#endif 1299 ANDROID_MEMBAR_STORE(); 1300 GOTO_returnFromMethod(); 1301OP_END 1302 1303/* File: c/OP_IPUT_OBJECT_VOLATILE.cpp */ 1304HANDLE_IPUT_X(OP_IPUT_OBJECT_VOLATILE, "-object-volatile", ObjectVolatile, _AS_OBJECT) 1305OP_END 1306 1307/* File: c/OP_SGET_OBJECT_VOLATILE.cpp */ 1308HANDLE_SGET_X(OP_SGET_OBJECT_VOLATILE, "-object-volatile", ObjectVolatile, _AS_OBJECT) 1309OP_END 1310 1311/* File: c/OP_SPUT_OBJECT_VOLATILE.cpp */ 1312HANDLE_SPUT_X(OP_SPUT_OBJECT_VOLATILE, "-object-volatile", ObjectVolatile, _AS_OBJECT) 1313OP_END 1314 1315/* File: c/gotoTargets.cpp */ 1316/* 1317 * C footer. This has some common code shared by the various targets. 1318 */ 1319 1320/* 1321 * Everything from here on is a "goto target". In the basic interpreter 1322 * we jump into these targets and then jump directly to the handler for 1323 * next instruction. Here, these are subroutines that return to the caller. 1324 */ 1325 1326GOTO_TARGET(filledNewArray, bool methodCallRange, bool) 1327 { 1328 ClassObject* arrayClass; 1329 ArrayObject* newArray; 1330 u4* contents; 1331 char typeCh; 1332 int i; 1333 u4 arg5; 1334 1335 EXPORT_PC(); 1336 1337 ref = FETCH(1); /* class ref */ 1338 vdst = FETCH(2); /* first 4 regs -or- range base */ 1339 1340 if (methodCallRange) { 1341 vsrc1 = INST_AA(inst); /* #of elements */ 1342 arg5 = -1; /* silence compiler warning */ 1343 ILOGV("|filled-new-array-range args=%d @0x%04x {regs=v%d-v%d}", 1344 vsrc1, ref, vdst, vdst+vsrc1-1); 1345 } else { 1346 arg5 = INST_A(inst); 1347 vsrc1 = INST_B(inst); /* #of elements */ 1348 ILOGV("|filled-new-array args=%d @0x%04x {regs=0x%04x %x}", 1349 vsrc1, ref, vdst, arg5); 1350 } 1351 1352 /* 1353 * Resolve the array class. 1354 */ 1355 arrayClass = dvmDexGetResolvedClass(methodClassDex, ref); 1356 if (arrayClass == NULL) { 1357 arrayClass = dvmResolveClass(curMethod->clazz, ref, false); 1358 if (arrayClass == NULL) 1359 GOTO_exceptionThrown(); 1360 } 1361 /* 1362 if (!dvmIsArrayClass(arrayClass)) { 1363 dvmThrowRuntimeException( 1364 "filled-new-array needs array class"); 1365 GOTO_exceptionThrown(); 1366 } 1367 */ 1368 /* verifier guarantees this is an array class */ 1369 assert(dvmIsArrayClass(arrayClass)); 1370 assert(dvmIsClassInitialized(arrayClass)); 1371 1372 /* 1373 * Create an array of the specified type. 1374 */ 1375 LOGVV("+++ filled-new-array type is '%s'", arrayClass->descriptor); 1376 typeCh = arrayClass->descriptor[1]; 1377 if (typeCh == 'D' || typeCh == 'J') { 1378 /* category 2 primitives not allowed */ 1379 dvmThrowRuntimeException("bad filled array req"); 1380 GOTO_exceptionThrown(); 1381 } else if (typeCh != 'L' && typeCh != '[' && typeCh != 'I') { 1382 /* TODO: requires multiple "fill in" loops with different widths */ 1383 ALOGE("non-int primitives not implemented"); 1384 dvmThrowInternalError( 1385 "filled-new-array not implemented for anything but 'int'"); 1386 GOTO_exceptionThrown(); 1387 } 1388 1389 newArray = dvmAllocArrayByClass(arrayClass, vsrc1, ALLOC_DONT_TRACK); 1390 if (newArray == NULL) 1391 GOTO_exceptionThrown(); 1392 1393 /* 1394 * Fill in the elements. It's legal for vsrc1 to be zero. 1395 */ 1396 contents = (u4*)(void*)newArray->contents; 1397 if (methodCallRange) { 1398 for (i = 0; i < vsrc1; i++) 1399 contents[i] = GET_REGISTER(vdst+i); 1400 } else { 1401 assert(vsrc1 <= 5); 1402 if (vsrc1 == 5) { 1403 contents[4] = GET_REGISTER(arg5); 1404 vsrc1--; 1405 } 1406 for (i = 0; i < vsrc1; i++) { 1407 contents[i] = GET_REGISTER(vdst & 0x0f); 1408 vdst >>= 4; 1409 } 1410 } 1411 if (typeCh == 'L' || typeCh == '[') { 1412 dvmWriteBarrierArray(newArray, 0, newArray->length); 1413 } 1414 1415 retval.l = (Object*)newArray; 1416 } 1417 FINISH(3); 1418GOTO_TARGET_END 1419 1420 1421GOTO_TARGET(invokeVirtual, bool methodCallRange, bool) 1422 { 1423 Method* baseMethod; 1424 Object* thisPtr; 1425 1426 EXPORT_PC(); 1427 1428 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1429 ref = FETCH(1); /* method ref */ 1430 vdst = FETCH(2); /* 4 regs -or- first reg */ 1431 1432 /* 1433 * The object against which we are executing a method is always 1434 * in the first argument. 1435 */ 1436 if (methodCallRange) { 1437 assert(vsrc1 > 0); 1438 ILOGV("|invoke-virtual-range args=%d @0x%04x {regs=v%d-v%d}", 1439 vsrc1, ref, vdst, vdst+vsrc1-1); 1440 thisPtr = (Object*) GET_REGISTER(vdst); 1441 } else { 1442 assert((vsrc1>>4) > 0); 1443 ILOGV("|invoke-virtual args=%d @0x%04x {regs=0x%04x %x}", 1444 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1445 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1446 } 1447 1448 if (!checkForNull(thisPtr)) 1449 GOTO_exceptionThrown(); 1450 1451 /* 1452 * Resolve the method. This is the correct method for the static 1453 * type of the object. We also verify access permissions here. 1454 */ 1455 baseMethod = dvmDexGetResolvedMethod(methodClassDex, ref); 1456 if (baseMethod == NULL) { 1457 baseMethod = dvmResolveMethod(curMethod->clazz, ref,METHOD_VIRTUAL); 1458 if (baseMethod == NULL) { 1459 ILOGV("+ unknown method or access denied"); 1460 GOTO_exceptionThrown(); 1461 } 1462 } 1463 1464 /* 1465 * Combine the object we found with the vtable offset in the 1466 * method. 1467 */ 1468 assert(baseMethod->methodIndex < thisPtr->clazz->vtableCount); 1469 methodToCall = thisPtr->clazz->vtable[baseMethod->methodIndex]; 1470 1471#if defined(WITH_JIT) && defined(MTERP_STUB) 1472 self->methodToCall = methodToCall; 1473 self->callsiteClass = thisPtr->clazz; 1474#endif 1475 1476#if 0 1477 if (dvmIsAbstractMethod(methodToCall)) { 1478 /* 1479 * This can happen if you create two classes, Base and Sub, where 1480 * Sub is a sub-class of Base. Declare a protected abstract 1481 * method foo() in Base, and invoke foo() from a method in Base. 1482 * Base is an "abstract base class" and is never instantiated 1483 * directly. Now, Override foo() in Sub, and use Sub. This 1484 * Works fine unless Sub stops providing an implementation of 1485 * the method. 1486 */ 1487 dvmThrowAbstractMethodError("abstract method not implemented"); 1488 GOTO_exceptionThrown(); 1489 } 1490#else 1491 assert(!dvmIsAbstractMethod(methodToCall) || 1492 methodToCall->nativeFunc != NULL); 1493#endif 1494 1495 LOGVV("+++ base=%s.%s virtual[%d]=%s.%s", 1496 baseMethod->clazz->descriptor, baseMethod->name, 1497 (u4) baseMethod->methodIndex, 1498 methodToCall->clazz->descriptor, methodToCall->name); 1499 assert(methodToCall != NULL); 1500 1501#if 0 1502 if (vsrc1 != methodToCall->insSize) { 1503 ALOGW("WRONG METHOD: base=%s.%s virtual[%d]=%s.%s", 1504 baseMethod->clazz->descriptor, baseMethod->name, 1505 (u4) baseMethod->methodIndex, 1506 methodToCall->clazz->descriptor, methodToCall->name); 1507 //dvmDumpClass(baseMethod->clazz); 1508 //dvmDumpClass(methodToCall->clazz); 1509 dvmDumpAllClasses(0); 1510 } 1511#endif 1512 1513 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1514 } 1515GOTO_TARGET_END 1516 1517GOTO_TARGET(invokeSuper, bool methodCallRange) 1518 { 1519 Method* baseMethod; 1520 u2 thisReg; 1521 1522 EXPORT_PC(); 1523 1524 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1525 ref = FETCH(1); /* method ref */ 1526 vdst = FETCH(2); /* 4 regs -or- first reg */ 1527 1528 if (methodCallRange) { 1529 ILOGV("|invoke-super-range args=%d @0x%04x {regs=v%d-v%d}", 1530 vsrc1, ref, vdst, vdst+vsrc1-1); 1531 thisReg = vdst; 1532 } else { 1533 ILOGV("|invoke-super args=%d @0x%04x {regs=0x%04x %x}", 1534 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1535 thisReg = vdst & 0x0f; 1536 } 1537 1538 /* impossible in well-formed code, but we must check nevertheless */ 1539 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1540 GOTO_exceptionThrown(); 1541 1542 /* 1543 * Resolve the method. This is the correct method for the static 1544 * type of the object. We also verify access permissions here. 1545 * The first arg to dvmResolveMethod() is just the referring class 1546 * (used for class loaders and such), so we don't want to pass 1547 * the superclass into the resolution call. 1548 */ 1549 baseMethod = dvmDexGetResolvedMethod(methodClassDex, ref); 1550 if (baseMethod == NULL) { 1551 baseMethod = dvmResolveMethod(curMethod->clazz, ref,METHOD_VIRTUAL); 1552 if (baseMethod == NULL) { 1553 ILOGV("+ unknown method or access denied"); 1554 GOTO_exceptionThrown(); 1555 } 1556 } 1557 1558 /* 1559 * Combine the object we found with the vtable offset in the 1560 * method's class. 1561 * 1562 * We're using the current method's class' superclass, not the 1563 * superclass of "this". This is because we might be executing 1564 * in a method inherited from a superclass, and we want to run 1565 * in that class' superclass. 1566 */ 1567 if (baseMethod->methodIndex >= curMethod->clazz->super->vtableCount) { 1568 /* 1569 * Method does not exist in the superclass. Could happen if 1570 * superclass gets updated. 1571 */ 1572 dvmThrowNoSuchMethodError(baseMethod->name); 1573 GOTO_exceptionThrown(); 1574 } 1575 methodToCall = curMethod->clazz->super->vtable[baseMethod->methodIndex]; 1576 1577#if 0 1578 if (dvmIsAbstractMethod(methodToCall)) { 1579 dvmThrowAbstractMethodError("abstract method not implemented"); 1580 GOTO_exceptionThrown(); 1581 } 1582#else 1583 assert(!dvmIsAbstractMethod(methodToCall) || 1584 methodToCall->nativeFunc != NULL); 1585#endif 1586 LOGVV("+++ base=%s.%s super-virtual=%s.%s", 1587 baseMethod->clazz->descriptor, baseMethod->name, 1588 methodToCall->clazz->descriptor, methodToCall->name); 1589 assert(methodToCall != NULL); 1590 1591 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1592 } 1593GOTO_TARGET_END 1594 1595GOTO_TARGET(invokeInterface, bool methodCallRange) 1596 { 1597 Object* thisPtr; 1598 ClassObject* thisClass; 1599 1600 EXPORT_PC(); 1601 1602 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1603 ref = FETCH(1); /* method ref */ 1604 vdst = FETCH(2); /* 4 regs -or- first reg */ 1605 1606 /* 1607 * The object against which we are executing a method is always 1608 * in the first argument. 1609 */ 1610 if (methodCallRange) { 1611 assert(vsrc1 > 0); 1612 ILOGV("|invoke-interface-range args=%d @0x%04x {regs=v%d-v%d}", 1613 vsrc1, ref, vdst, vdst+vsrc1-1); 1614 thisPtr = (Object*) GET_REGISTER(vdst); 1615 } else { 1616 assert((vsrc1>>4) > 0); 1617 ILOGV("|invoke-interface args=%d @0x%04x {regs=0x%04x %x}", 1618 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1619 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1620 } 1621 1622 if (!checkForNull(thisPtr)) 1623 GOTO_exceptionThrown(); 1624 1625 thisClass = thisPtr->clazz; 1626 1627 /* 1628 * Given a class and a method index, find the Method* with the 1629 * actual code we want to execute. 1630 */ 1631 methodToCall = dvmFindInterfaceMethodInCache(thisClass, ref, curMethod, 1632 methodClassDex); 1633#if defined(WITH_JIT) && defined(MTERP_STUB) 1634 self->callsiteClass = thisClass; 1635 self->methodToCall = methodToCall; 1636#endif 1637 if (methodToCall == NULL) { 1638 assert(dvmCheckException(self)); 1639 GOTO_exceptionThrown(); 1640 } 1641 1642 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1643 } 1644GOTO_TARGET_END 1645 1646GOTO_TARGET(invokeDirect, bool methodCallRange) 1647 { 1648 u2 thisReg; 1649 1650 EXPORT_PC(); 1651 1652 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1653 ref = FETCH(1); /* method ref */ 1654 vdst = FETCH(2); /* 4 regs -or- first reg */ 1655 1656 if (methodCallRange) { 1657 ILOGV("|invoke-direct-range args=%d @0x%04x {regs=v%d-v%d}", 1658 vsrc1, ref, vdst, vdst+vsrc1-1); 1659 thisReg = vdst; 1660 } else { 1661 ILOGV("|invoke-direct args=%d @0x%04x {regs=0x%04x %x}", 1662 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1663 thisReg = vdst & 0x0f; 1664 } 1665 1666 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1667 GOTO_exceptionThrown(); 1668 1669 methodToCall = dvmDexGetResolvedMethod(methodClassDex, ref); 1670 if (methodToCall == NULL) { 1671 methodToCall = dvmResolveMethod(curMethod->clazz, ref, 1672 METHOD_DIRECT); 1673 if (methodToCall == NULL) { 1674 ILOGV("+ unknown direct method"); // should be impossible 1675 GOTO_exceptionThrown(); 1676 } 1677 } 1678 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1679 } 1680GOTO_TARGET_END 1681 1682GOTO_TARGET(invokeStatic, bool methodCallRange) 1683 EXPORT_PC(); 1684 1685 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1686 ref = FETCH(1); /* method ref */ 1687 vdst = FETCH(2); /* 4 regs -or- first reg */ 1688 1689 if (methodCallRange) 1690 ILOGV("|invoke-static-range args=%d @0x%04x {regs=v%d-v%d}", 1691 vsrc1, ref, vdst, vdst+vsrc1-1); 1692 else 1693 ILOGV("|invoke-static args=%d @0x%04x {regs=0x%04x %x}", 1694 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1695 1696 methodToCall = dvmDexGetResolvedMethod(methodClassDex, ref); 1697 if (methodToCall == NULL) { 1698 methodToCall = dvmResolveMethod(curMethod->clazz, ref, METHOD_STATIC); 1699 if (methodToCall == NULL) { 1700 ILOGV("+ unknown method"); 1701 GOTO_exceptionThrown(); 1702 } 1703 1704#if defined(WITH_JIT) && defined(MTERP_STUB) 1705 /* 1706 * The JIT needs dvmDexGetResolvedMethod() to return non-null. 1707 * Include the check if this code is being used as a stub 1708 * called from the assembly interpreter. 1709 */ 1710 if ((self->interpBreak.ctl.subMode & kSubModeJitTraceBuild) && 1711 (dvmDexGetResolvedMethod(methodClassDex, ref) == NULL)) { 1712 /* Class initialization is still ongoing */ 1713 dvmJitEndTraceSelect(self,pc); 1714 } 1715#endif 1716 } 1717 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1718GOTO_TARGET_END 1719 1720GOTO_TARGET(invokeVirtualQuick, bool methodCallRange) 1721 { 1722 Object* thisPtr; 1723 1724 EXPORT_PC(); 1725 1726 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1727 ref = FETCH(1); /* vtable index */ 1728 vdst = FETCH(2); /* 4 regs -or- first reg */ 1729 1730 /* 1731 * The object against which we are executing a method is always 1732 * in the first argument. 1733 */ 1734 if (methodCallRange) { 1735 assert(vsrc1 > 0); 1736 ILOGV("|invoke-virtual-quick-range args=%d @0x%04x {regs=v%d-v%d}", 1737 vsrc1, ref, vdst, vdst+vsrc1-1); 1738 thisPtr = (Object*) GET_REGISTER(vdst); 1739 } else { 1740 assert((vsrc1>>4) > 0); 1741 ILOGV("|invoke-virtual-quick args=%d @0x%04x {regs=0x%04x %x}", 1742 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1743 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1744 } 1745 1746 if (!checkForNull(thisPtr)) 1747 GOTO_exceptionThrown(); 1748 1749 1750 /* 1751 * Combine the object we found with the vtable offset in the 1752 * method. 1753 */ 1754 assert(ref < (unsigned int) thisPtr->clazz->vtableCount); 1755 methodToCall = thisPtr->clazz->vtable[ref]; 1756#if defined(WITH_JIT) && defined(MTERP_STUB) 1757 self->callsiteClass = thisPtr->clazz; 1758 self->methodToCall = methodToCall; 1759#endif 1760 1761#if 0 1762 if (dvmIsAbstractMethod(methodToCall)) { 1763 dvmThrowAbstractMethodError("abstract method not implemented"); 1764 GOTO_exceptionThrown(); 1765 } 1766#else 1767 assert(!dvmIsAbstractMethod(methodToCall) || 1768 methodToCall->nativeFunc != NULL); 1769#endif 1770 1771 LOGVV("+++ virtual[%d]=%s.%s", 1772 ref, methodToCall->clazz->descriptor, methodToCall->name); 1773 assert(methodToCall != NULL); 1774 1775 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1776 } 1777GOTO_TARGET_END 1778 1779GOTO_TARGET(invokeSuperQuick, bool methodCallRange) 1780 { 1781 u2 thisReg; 1782 1783 EXPORT_PC(); 1784 1785 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1786 ref = FETCH(1); /* vtable index */ 1787 vdst = FETCH(2); /* 4 regs -or- first reg */ 1788 1789 if (methodCallRange) { 1790 ILOGV("|invoke-super-quick-range args=%d @0x%04x {regs=v%d-v%d}", 1791 vsrc1, ref, vdst, vdst+vsrc1-1); 1792 thisReg = vdst; 1793 } else { 1794 ILOGV("|invoke-super-quick args=%d @0x%04x {regs=0x%04x %x}", 1795 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1796 thisReg = vdst & 0x0f; 1797 } 1798 /* impossible in well-formed code, but we must check nevertheless */ 1799 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1800 GOTO_exceptionThrown(); 1801 1802#if 0 /* impossible in optimized + verified code */ 1803 if (ref >= curMethod->clazz->super->vtableCount) { 1804 dvmThrowNoSuchMethodError(NULL); 1805 GOTO_exceptionThrown(); 1806 } 1807#else 1808 assert(ref < (unsigned int) curMethod->clazz->super->vtableCount); 1809#endif 1810 1811 /* 1812 * Combine the object we found with the vtable offset in the 1813 * method's class. 1814 * 1815 * We're using the current method's class' superclass, not the 1816 * superclass of "this". This is because we might be executing 1817 * in a method inherited from a superclass, and we want to run 1818 * in the method's class' superclass. 1819 */ 1820 methodToCall = curMethod->clazz->super->vtable[ref]; 1821 1822#if 0 1823 if (dvmIsAbstractMethod(methodToCall)) { 1824 dvmThrowAbstractMethodError("abstract method not implemented"); 1825 GOTO_exceptionThrown(); 1826 } 1827#else 1828 assert(!dvmIsAbstractMethod(methodToCall) || 1829 methodToCall->nativeFunc != NULL); 1830#endif 1831 LOGVV("+++ super-virtual[%d]=%s.%s", 1832 ref, methodToCall->clazz->descriptor, methodToCall->name); 1833 assert(methodToCall != NULL); 1834 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1835 } 1836GOTO_TARGET_END 1837 1838 1839 /* 1840 * General handling for return-void, return, and return-wide. Put the 1841 * return value in "retval" before jumping here. 1842 */ 1843GOTO_TARGET(returnFromMethod) 1844 { 1845 StackSaveArea* saveArea; 1846 1847 /* 1848 * We must do this BEFORE we pop the previous stack frame off, so 1849 * that the GC can see the return value (if any) in the local vars. 1850 * 1851 * Since this is now an interpreter switch point, we must do it before 1852 * we do anything at all. 1853 */ 1854 PERIODIC_CHECKS(0); 1855 1856 ILOGV("> retval=0x%llx (leaving %s.%s %s)", 1857 retval.j, curMethod->clazz->descriptor, curMethod->name, 1858 curMethod->shorty); 1859 //DUMP_REGS(curMethod, fp); 1860 1861 saveArea = SAVEAREA_FROM_FP(fp); 1862 1863#ifdef EASY_GDB 1864 debugSaveArea = saveArea; 1865#endif 1866 1867 /* back up to previous frame and see if we hit a break */ 1868 fp = (u4*)saveArea->prevFrame; 1869 assert(fp != NULL); 1870 1871 /* Handle any special subMode requirements */ 1872 if (self->interpBreak.ctl.subMode != 0) { 1873 PC_FP_TO_SELF(); 1874 dvmReportReturn(self); 1875 } 1876 1877 if (dvmIsBreakFrame(fp)) { 1878 /* bail without popping the method frame from stack */ 1879 LOGVV("+++ returned into break frame"); 1880 GOTO_bail(); 1881 } 1882 1883 /* update thread FP, and reset local variables */ 1884 self->interpSave.curFrame = fp; 1885 curMethod = SAVEAREA_FROM_FP(fp)->method; 1886 self->interpSave.method = curMethod; 1887 //methodClass = curMethod->clazz; 1888 methodClassDex = curMethod->clazz->pDvmDex; 1889 pc = saveArea->savedPc; 1890 ILOGD("> (return to %s.%s %s)", curMethod->clazz->descriptor, 1891 curMethod->name, curMethod->shorty); 1892 1893 /* use FINISH on the caller's invoke instruction */ 1894 //u2 invokeInstr = INST_INST(FETCH(0)); 1895 if (true /*invokeInstr >= OP_INVOKE_VIRTUAL && 1896 invokeInstr <= OP_INVOKE_INTERFACE*/) 1897 { 1898 FINISH(3); 1899 } else { 1900 //ALOGE("Unknown invoke instr %02x at %d", 1901 // invokeInstr, (int) (pc - curMethod->insns)); 1902 assert(false); 1903 } 1904 } 1905GOTO_TARGET_END 1906 1907 1908 /* 1909 * Jump here when the code throws an exception. 1910 * 1911 * By the time we get here, the Throwable has been created and the stack 1912 * trace has been saved off. 1913 */ 1914GOTO_TARGET(exceptionThrown) 1915 { 1916 Object* exception; 1917 int catchRelPc; 1918 1919 PERIODIC_CHECKS(0); 1920 1921 /* 1922 * We save off the exception and clear the exception status. While 1923 * processing the exception we might need to load some Throwable 1924 * classes, and we don't want class loader exceptions to get 1925 * confused with this one. 1926 */ 1927 assert(dvmCheckException(self)); 1928 exception = dvmGetException(self); 1929 dvmAddTrackedAlloc(exception, self); 1930 dvmClearException(self); 1931 1932 ALOGV("Handling exception %s at %s:%d", 1933 exception->clazz->descriptor, curMethod->name, 1934 dvmLineNumFromPC(curMethod, pc - curMethod->insns)); 1935 1936 /* 1937 * Report the exception throw to any "subMode" watchers. 1938 * 1939 * TODO: if the exception was thrown by interpreted code, control 1940 * fell through native, and then back to us, we will report the 1941 * exception at the point of the throw and again here. We can avoid 1942 * this by not reporting exceptions when we jump here directly from 1943 * the native call code above, but then we won't report exceptions 1944 * that were thrown *from* the JNI code (as opposed to *through* it). 1945 * 1946 * The correct solution is probably to ignore from-native exceptions 1947 * here, and have the JNI exception code do the reporting to the 1948 * debugger. 1949 */ 1950 if (self->interpBreak.ctl.subMode != 0) { 1951 PC_FP_TO_SELF(); 1952 dvmReportExceptionThrow(self, exception); 1953 } 1954 1955 /* 1956 * We need to unroll to the catch block or the nearest "break" 1957 * frame. 1958 * 1959 * A break frame could indicate that we have reached an intermediate 1960 * native call, or have gone off the top of the stack and the thread 1961 * needs to exit. Either way, we return from here, leaving the 1962 * exception raised. 1963 * 1964 * If we do find a catch block, we want to transfer execution to 1965 * that point. 1966 * 1967 * Note this can cause an exception while resolving classes in 1968 * the "catch" blocks. 1969 */ 1970 catchRelPc = dvmFindCatchBlock(self, pc - curMethod->insns, 1971 exception, false, (void**)(void*)&fp); 1972 1973 /* 1974 * Restore the stack bounds after an overflow. This isn't going to 1975 * be correct in all circumstances, e.g. if JNI code devours the 1976 * exception this won't happen until some other exception gets 1977 * thrown. If the code keeps pushing the stack bounds we'll end 1978 * up aborting the VM. 1979 * 1980 * Note we want to do this *after* the call to dvmFindCatchBlock, 1981 * because that may need extra stack space to resolve exception 1982 * classes (e.g. through a class loader). 1983 * 1984 * It's possible for the stack overflow handling to cause an 1985 * exception (specifically, class resolution in a "catch" block 1986 * during the call above), so we could see the thread's overflow 1987 * flag raised but actually be running in a "nested" interpreter 1988 * frame. We don't allow doubled-up StackOverflowErrors, so 1989 * we can check for this by just looking at the exception type 1990 * in the cleanup function. Also, we won't unroll past the SOE 1991 * point because the more-recent exception will hit a break frame 1992 * as it unrolls to here. 1993 */ 1994 if (self->stackOverflowed) 1995 dvmCleanupStackOverflow(self, exception); 1996 1997 if (catchRelPc < 0) { 1998 /* falling through to JNI code or off the bottom of the stack */ 1999#if DVM_SHOW_EXCEPTION >= 2 2000 ALOGD("Exception %s from %s:%d not caught locally", 2001 exception->clazz->descriptor, dvmGetMethodSourceFile(curMethod), 2002 dvmLineNumFromPC(curMethod, pc - curMethod->insns)); 2003#endif 2004 dvmSetException(self, exception); 2005 dvmReleaseTrackedAlloc(exception, self); 2006 GOTO_bail(); 2007 } 2008 2009#if DVM_SHOW_EXCEPTION >= 3 2010 { 2011 const Method* catchMethod = SAVEAREA_FROM_FP(fp)->method; 2012 ALOGD("Exception %s thrown from %s:%d to %s:%d", 2013 exception->clazz->descriptor, dvmGetMethodSourceFile(curMethod), 2014 dvmLineNumFromPC(curMethod, pc - curMethod->insns), 2015 dvmGetMethodSourceFile(catchMethod), 2016 dvmLineNumFromPC(catchMethod, catchRelPc)); 2017 } 2018#endif 2019 2020 /* 2021 * Adjust local variables to match self->interpSave.curFrame and the 2022 * updated PC. 2023 */ 2024 //fp = (u4*) self->interpSave.curFrame; 2025 curMethod = SAVEAREA_FROM_FP(fp)->method; 2026 self->interpSave.method = curMethod; 2027 //methodClass = curMethod->clazz; 2028 methodClassDex = curMethod->clazz->pDvmDex; 2029 pc = curMethod->insns + catchRelPc; 2030 ILOGV("> pc <-- %s.%s %s", curMethod->clazz->descriptor, 2031 curMethod->name, curMethod->shorty); 2032 DUMP_REGS(curMethod, fp, false); // show all regs 2033 2034 /* 2035 * Restore the exception if the handler wants it. 2036 * 2037 * The Dalvik spec mandates that, if an exception handler wants to 2038 * do something with the exception, the first instruction executed 2039 * must be "move-exception". We can pass the exception along 2040 * through the thread struct, and let the move-exception instruction 2041 * clear it for us. 2042 * 2043 * If the handler doesn't call move-exception, we don't want to 2044 * finish here with an exception still pending. 2045 */ 2046 if (INST_INST(FETCH(0)) == OP_MOVE_EXCEPTION) 2047 dvmSetException(self, exception); 2048 2049 dvmReleaseTrackedAlloc(exception, self); 2050 FINISH(0); 2051 } 2052GOTO_TARGET_END 2053 2054 2055 2056 /* 2057 * General handling for invoke-{virtual,super,direct,static,interface}, 2058 * including "quick" variants. 2059 * 2060 * Set "methodToCall" to the Method we're calling, and "methodCallRange" 2061 * depending on whether this is a "/range" instruction. 2062 * 2063 * For a range call: 2064 * "vsrc1" holds the argument count (8 bits) 2065 * "vdst" holds the first argument in the range 2066 * For a non-range call: 2067 * "vsrc1" holds the argument count (4 bits) and the 5th argument index 2068 * "vdst" holds four 4-bit register indices 2069 * 2070 * The caller must EXPORT_PC before jumping here, because any method 2071 * call can throw a stack overflow exception. 2072 */ 2073GOTO_TARGET(invokeMethod, bool methodCallRange, const Method* _methodToCall, 2074 u2 count, u2 regs) 2075 { 2076 STUB_HACK(vsrc1 = count; vdst = regs; methodToCall = _methodToCall;); 2077 2078 //printf("range=%d call=%p count=%d regs=0x%04x\n", 2079 // methodCallRange, methodToCall, count, regs); 2080 //printf(" --> %s.%s %s\n", methodToCall->clazz->descriptor, 2081 // methodToCall->name, methodToCall->shorty); 2082 2083 u4* outs; 2084 int i; 2085 2086 /* 2087 * Copy args. This may corrupt vsrc1/vdst. 2088 */ 2089 if (methodCallRange) { 2090 // could use memcpy or a "Duff's device"; most functions have 2091 // so few args it won't matter much 2092 assert(vsrc1 <= curMethod->outsSize); 2093 assert(vsrc1 == methodToCall->insSize); 2094 outs = OUTS_FROM_FP(fp, vsrc1); 2095 for (i = 0; i < vsrc1; i++) 2096 outs[i] = GET_REGISTER(vdst+i); 2097 } else { 2098 u4 count = vsrc1 >> 4; 2099 2100 assert(count <= curMethod->outsSize); 2101 assert(count == methodToCall->insSize); 2102 assert(count <= 5); 2103 2104 outs = OUTS_FROM_FP(fp, count); 2105#if 0 2106 if (count == 5) { 2107 outs[4] = GET_REGISTER(vsrc1 & 0x0f); 2108 count--; 2109 } 2110 for (i = 0; i < (int) count; i++) { 2111 outs[i] = GET_REGISTER(vdst & 0x0f); 2112 vdst >>= 4; 2113 } 2114#else 2115 // This version executes fewer instructions but is larger 2116 // overall. Seems to be a teensy bit faster. 2117 assert((vdst >> 16) == 0); // 16 bits -or- high 16 bits clear 2118 switch (count) { 2119 case 5: 2120 outs[4] = GET_REGISTER(vsrc1 & 0x0f); 2121 case 4: 2122 outs[3] = GET_REGISTER(vdst >> 12); 2123 case 3: 2124 outs[2] = GET_REGISTER((vdst & 0x0f00) >> 8); 2125 case 2: 2126 outs[1] = GET_REGISTER((vdst & 0x00f0) >> 4); 2127 case 1: 2128 outs[0] = GET_REGISTER(vdst & 0x0f); 2129 default: 2130 ; 2131 } 2132#endif 2133 } 2134 } 2135 2136 /* 2137 * (This was originally a "goto" target; I've kept it separate from the 2138 * stuff above in case we want to refactor things again.) 2139 * 2140 * At this point, we have the arguments stored in the "outs" area of 2141 * the current method's stack frame, and the method to call in 2142 * "methodToCall". Push a new stack frame. 2143 */ 2144 { 2145 StackSaveArea* newSaveArea; 2146 u4* newFp; 2147 2148 ILOGV("> %s%s.%s %s", 2149 dvmIsNativeMethod(methodToCall) ? "(NATIVE) " : "", 2150 methodToCall->clazz->descriptor, methodToCall->name, 2151 methodToCall->shorty); 2152 2153 newFp = (u4*) SAVEAREA_FROM_FP(fp) - methodToCall->registersSize; 2154 newSaveArea = SAVEAREA_FROM_FP(newFp); 2155 2156 /* verify that we have enough space */ 2157 if (true) { 2158 u1* bottom; 2159 bottom = (u1*) newSaveArea - methodToCall->outsSize * sizeof(u4); 2160 if (bottom < self->interpStackEnd) { 2161 /* stack overflow */ 2162 ALOGV("Stack overflow on method call (start=%p end=%p newBot=%p(%d) size=%d '%s')", 2163 self->interpStackStart, self->interpStackEnd, bottom, 2164 (u1*) fp - bottom, self->interpStackSize, 2165 methodToCall->name); 2166 dvmHandleStackOverflow(self, methodToCall); 2167 assert(dvmCheckException(self)); 2168 GOTO_exceptionThrown(); 2169 } 2170 //ALOGD("+++ fp=%p newFp=%p newSave=%p bottom=%p", 2171 // fp, newFp, newSaveArea, bottom); 2172 } 2173 2174#ifdef LOG_INSTR 2175 if (methodToCall->registersSize > methodToCall->insSize) { 2176 /* 2177 * This makes valgrind quiet when we print registers that 2178 * haven't been initialized. Turn it off when the debug 2179 * messages are disabled -- we want valgrind to report any 2180 * used-before-initialized issues. 2181 */ 2182 memset(newFp, 0xcc, 2183 (methodToCall->registersSize - methodToCall->insSize) * 4); 2184 } 2185#endif 2186 2187#ifdef EASY_GDB 2188 newSaveArea->prevSave = SAVEAREA_FROM_FP(fp); 2189#endif 2190 newSaveArea->prevFrame = fp; 2191 newSaveArea->savedPc = pc; 2192#if defined(WITH_JIT) && defined(MTERP_STUB) 2193 newSaveArea->returnAddr = 0; 2194#endif 2195 newSaveArea->method = methodToCall; 2196 2197 if (self->interpBreak.ctl.subMode != 0) { 2198 /* 2199 * We mark ENTER here for both native and non-native 2200 * calls. For native calls, we'll mark EXIT on return. 2201 * For non-native calls, EXIT is marked in the RETURN op. 2202 */ 2203 PC_TO_SELF(); 2204 dvmReportInvoke(self, methodToCall); 2205 } 2206 2207 if (!dvmIsNativeMethod(methodToCall)) { 2208 /* 2209 * "Call" interpreted code. Reposition the PC, update the 2210 * frame pointer and other local state, and continue. 2211 */ 2212 curMethod = methodToCall; 2213 self->interpSave.method = curMethod; 2214 methodClassDex = curMethod->clazz->pDvmDex; 2215 pc = methodToCall->insns; 2216 fp = newFp; 2217 self->interpSave.curFrame = fp; 2218#ifdef EASY_GDB 2219 debugSaveArea = SAVEAREA_FROM_FP(newFp); 2220#endif 2221 self->debugIsMethodEntry = true; // profiling, debugging 2222 ILOGD("> pc <-- %s.%s %s", curMethod->clazz->descriptor, 2223 curMethod->name, curMethod->shorty); 2224 DUMP_REGS(curMethod, fp, true); // show input args 2225 FINISH(0); // jump to method start 2226 } else { 2227 /* set this up for JNI locals, even if not a JNI native */ 2228 newSaveArea->xtra.localRefCookie = self->jniLocalRefTable.segmentState.all; 2229 2230 self->interpSave.curFrame = newFp; 2231 2232 DUMP_REGS(methodToCall, newFp, true); // show input args 2233 2234 if (self->interpBreak.ctl.subMode != 0) { 2235 dvmReportPreNativeInvoke(methodToCall, self, fp); 2236 } 2237 2238 ILOGD("> native <-- %s.%s %s", methodToCall->clazz->descriptor, 2239 methodToCall->name, methodToCall->shorty); 2240 2241 /* 2242 * Jump through native call bridge. Because we leave no 2243 * space for locals on native calls, "newFp" points directly 2244 * to the method arguments. 2245 */ 2246 (*methodToCall->nativeFunc)(newFp, &retval, methodToCall, self); 2247 2248 if (self->interpBreak.ctl.subMode != 0) { 2249 dvmReportPostNativeInvoke(methodToCall, self, fp); 2250 } 2251 2252 /* pop frame off */ 2253 dvmPopJniLocals(self, newSaveArea); 2254 self->interpSave.curFrame = fp; 2255 2256 /* 2257 * If the native code threw an exception, or interpreted code 2258 * invoked by the native call threw one and nobody has cleared 2259 * it, jump to our local exception handling. 2260 */ 2261 if (dvmCheckException(self)) { 2262 ALOGV("Exception thrown by/below native code"); 2263 GOTO_exceptionThrown(); 2264 } 2265 2266 ILOGD("> retval=0x%llx (leaving native)", retval.j); 2267 ILOGD("> (return from native %s.%s to %s.%s %s)", 2268 methodToCall->clazz->descriptor, methodToCall->name, 2269 curMethod->clazz->descriptor, curMethod->name, 2270 curMethod->shorty); 2271 2272 //u2 invokeInstr = INST_INST(FETCH(0)); 2273 if (true /*invokeInstr >= OP_INVOKE_VIRTUAL && 2274 invokeInstr <= OP_INVOKE_INTERFACE*/) 2275 { 2276 FINISH(3); 2277 } else { 2278 //ALOGE("Unknown invoke instr %02x at %d", 2279 // invokeInstr, (int) (pc - curMethod->insns)); 2280 assert(false); 2281 } 2282 } 2283 } 2284 assert(false); // should not get here 2285GOTO_TARGET_END 2286 2287/* File: cstubs/enddefs.cpp */ 2288 2289/* undefine "magic" name remapping */ 2290#undef retval 2291#undef pc 2292#undef fp 2293#undef curMethod 2294#undef methodClassDex 2295#undef self 2296#undef debugTrackedRefStart 2297 2298