1/* 2 * This file was generated automatically by gen-mterp.py for 'x86'. 3 * 4 * --> DO NOT EDIT <-- 5 */ 6 7/* File: c/header.c */ 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 * If THREADED_INTERP is not defined, we use a classic "while true / switch" 42 * interpreter. If it is defined, then the tail end of each instruction 43 * handler fetches the next instruction and jumps directly to the handler. 44 * This increases the size of the "Std" interpreter by about 10%, but 45 * provides a speedup of about the same magnitude. 46 * 47 * There's a "hybrid" approach that uses a goto table instead of a switch 48 * statement, avoiding the "is the opcode in range" tests required for switch. 49 * The performance is close to the threaded version, and without the 10% 50 * size increase, but the benchmark results are off enough that it's not 51 * worth adding as a third option. 52 */ 53#define THREADED_INTERP /* threaded vs. while-loop interpreter */ 54 55#ifdef WITH_INSTR_CHECKS /* instruction-level paranoia (slow!) */ 56# define CHECK_BRANCH_OFFSETS 57# define CHECK_REGISTER_INDICES 58#endif 59 60/* 61 * ARM EABI requires 64-bit alignment for access to 64-bit data types. We 62 * can't just use pointers to copy 64-bit values out of our interpreted 63 * register set, because gcc will generate ldrd/strd. 64 * 65 * The __UNION version copies data in and out of a union. The __MEMCPY 66 * version uses a memcpy() call to do the transfer; gcc is smart enough to 67 * not actually call memcpy(). The __UNION version is very bad on ARM; 68 * it only uses one more instruction than __MEMCPY, but for some reason 69 * gcc thinks it needs separate storage for every instance of the union. 70 * On top of that, it feels the need to zero them out at the start of the 71 * method. Net result is we zero out ~700 bytes of stack space at the top 72 * of the interpreter using ARM STM instructions. 73 */ 74#if defined(__ARM_EABI__) 75//# define NO_UNALIGN_64__UNION 76# define NO_UNALIGN_64__MEMCPY 77#endif 78 79//#define LOG_INSTR /* verbose debugging */ 80/* set and adjust ANDROID_LOG_TAGS='*:i jdwp:i dalvikvm:i dalvikvmi:i' */ 81 82/* 83 * Keep a tally of accesses to fields. Currently only works if full DEX 84 * optimization is disabled. 85 */ 86#ifdef PROFILE_FIELD_ACCESS 87# define UPDATE_FIELD_GET(_field) { (_field)->gets++; } 88# define UPDATE_FIELD_PUT(_field) { (_field)->puts++; } 89#else 90# define UPDATE_FIELD_GET(_field) ((void)0) 91# define UPDATE_FIELD_PUT(_field) ((void)0) 92#endif 93 94/* 95 * Export another copy of the PC on every instruction; this is largely 96 * redundant with EXPORT_PC and the debugger code. This value can be 97 * compared against what we have stored on the stack with EXPORT_PC to 98 * help ensure that we aren't missing any export calls. 99 */ 100#if WITH_EXTRA_GC_CHECKS > 1 101# define EXPORT_EXTRA_PC() (self->currentPc2 = pc) 102#else 103# define EXPORT_EXTRA_PC() 104#endif 105 106/* 107 * Adjust the program counter. "_offset" is a signed int, in 16-bit units. 108 * 109 * Assumes the existence of "const u2* pc" and "const u2* curMethod->insns". 110 * 111 * We don't advance the program counter until we finish an instruction or 112 * branch, because we do want to have to unroll the PC if there's an 113 * exception. 114 */ 115#ifdef CHECK_BRANCH_OFFSETS 116# define ADJUST_PC(_offset) do { \ 117 int myoff = _offset; /* deref only once */ \ 118 if (pc + myoff < curMethod->insns || \ 119 pc + myoff >= curMethod->insns + dvmGetMethodInsnsSize(curMethod)) \ 120 { \ 121 char* desc; \ 122 desc = dexProtoCopyMethodDescriptor(&curMethod->prototype); \ 123 LOGE("Invalid branch %d at 0x%04x in %s.%s %s\n", \ 124 myoff, (int) (pc - curMethod->insns), \ 125 curMethod->clazz->descriptor, curMethod->name, desc); \ 126 free(desc); \ 127 dvmAbort(); \ 128 } \ 129 pc += myoff; \ 130 EXPORT_EXTRA_PC(); \ 131 } while (false) 132#else 133# define ADJUST_PC(_offset) do { \ 134 pc += _offset; \ 135 EXPORT_EXTRA_PC(); \ 136 } while (false) 137#endif 138 139/* 140 * If enabled, log instructions as we execute them. 141 */ 142#ifdef LOG_INSTR 143# define ILOGD(...) ILOG(LOG_DEBUG, __VA_ARGS__) 144# define ILOGV(...) ILOG(LOG_VERBOSE, __VA_ARGS__) 145# define ILOG(_level, ...) do { \ 146 char debugStrBuf[128]; \ 147 snprintf(debugStrBuf, sizeof(debugStrBuf), __VA_ARGS__); \ 148 if (curMethod != NULL) \ 149 LOG(_level, LOG_TAG"i", "%-2d|%04x%s\n", \ 150 self->threadId, (int)(pc - curMethod->insns), debugStrBuf); \ 151 else \ 152 LOG(_level, LOG_TAG"i", "%-2d|####%s\n", \ 153 self->threadId, debugStrBuf); \ 154 } while(false) 155void dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly); 156# define DUMP_REGS(_meth, _frame, _inOnly) dvmDumpRegs(_meth, _frame, _inOnly) 157static const char kSpacing[] = " "; 158#else 159# define ILOGD(...) ((void)0) 160# define ILOGV(...) ((void)0) 161# define DUMP_REGS(_meth, _frame, _inOnly) ((void)0) 162#endif 163 164/* get a long from an array of u4 */ 165static inline s8 getLongFromArray(const u4* ptr, int idx) 166{ 167#if defined(NO_UNALIGN_64__UNION) 168 union { s8 ll; u4 parts[2]; } conv; 169 170 ptr += idx; 171 conv.parts[0] = ptr[0]; 172 conv.parts[1] = ptr[1]; 173 return conv.ll; 174#elif defined(NO_UNALIGN_64__MEMCPY) 175 s8 val; 176 memcpy(&val, &ptr[idx], 8); 177 return val; 178#else 179 return *((s8*) &ptr[idx]); 180#endif 181} 182 183/* store a long into an array of u4 */ 184static inline void putLongToArray(u4* ptr, int idx, s8 val) 185{ 186#if defined(NO_UNALIGN_64__UNION) 187 union { s8 ll; u4 parts[2]; } conv; 188 189 ptr += idx; 190 conv.ll = val; 191 ptr[0] = conv.parts[0]; 192 ptr[1] = conv.parts[1]; 193#elif defined(NO_UNALIGN_64__MEMCPY) 194 memcpy(&ptr[idx], &val, 8); 195#else 196 *((s8*) &ptr[idx]) = val; 197#endif 198} 199 200/* get a double from an array of u4 */ 201static inline double getDoubleFromArray(const u4* ptr, int idx) 202{ 203#if defined(NO_UNALIGN_64__UNION) 204 union { double d; u4 parts[2]; } conv; 205 206 ptr += idx; 207 conv.parts[0] = ptr[0]; 208 conv.parts[1] = ptr[1]; 209 return conv.d; 210#elif defined(NO_UNALIGN_64__MEMCPY) 211 double dval; 212 memcpy(&dval, &ptr[idx], 8); 213 return dval; 214#else 215 return *((double*) &ptr[idx]); 216#endif 217} 218 219/* store a double into an array of u4 */ 220static inline void putDoubleToArray(u4* ptr, int idx, double dval) 221{ 222#if defined(NO_UNALIGN_64__UNION) 223 union { double d; u4 parts[2]; } conv; 224 225 ptr += idx; 226 conv.d = dval; 227 ptr[0] = conv.parts[0]; 228 ptr[1] = conv.parts[1]; 229#elif defined(NO_UNALIGN_64__MEMCPY) 230 memcpy(&ptr[idx], &dval, 8); 231#else 232 *((double*) &ptr[idx]) = dval; 233#endif 234} 235 236/* 237 * If enabled, validate the register number on every access. Otherwise, 238 * just do an array access. 239 * 240 * Assumes the existence of "u4* fp". 241 * 242 * "_idx" may be referenced more than once. 243 */ 244#ifdef CHECK_REGISTER_INDICES 245# define GET_REGISTER(_idx) \ 246 ( (_idx) < curMethod->registersSize ? \ 247 (fp[(_idx)]) : (assert(!"bad reg"),1969) ) 248# define SET_REGISTER(_idx, _val) \ 249 ( (_idx) < curMethod->registersSize ? \ 250 (fp[(_idx)] = (u4)(_val)) : (assert(!"bad reg"),1969) ) 251# define GET_REGISTER_AS_OBJECT(_idx) ((Object *)GET_REGISTER(_idx)) 252# define SET_REGISTER_AS_OBJECT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 253# define GET_REGISTER_INT(_idx) ((s4) GET_REGISTER(_idx)) 254# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 255# define GET_REGISTER_WIDE(_idx) \ 256 ( (_idx) < curMethod->registersSize-1 ? \ 257 getLongFromArray(fp, (_idx)) : (assert(!"bad reg"),1969) ) 258# define SET_REGISTER_WIDE(_idx, _val) \ 259 ( (_idx) < curMethod->registersSize-1 ? \ 260 putLongToArray(fp, (_idx), (_val)) : (assert(!"bad reg"),1969) ) 261# define GET_REGISTER_FLOAT(_idx) \ 262 ( (_idx) < curMethod->registersSize ? \ 263 (*((float*) &fp[(_idx)])) : (assert(!"bad reg"),1969.0f) ) 264# define SET_REGISTER_FLOAT(_idx, _val) \ 265 ( (_idx) < curMethod->registersSize ? \ 266 (*((float*) &fp[(_idx)]) = (_val)) : (assert(!"bad reg"),1969.0f) ) 267# define GET_REGISTER_DOUBLE(_idx) \ 268 ( (_idx) < curMethod->registersSize-1 ? \ 269 getDoubleFromArray(fp, (_idx)) : (assert(!"bad reg"),1969.0) ) 270# define SET_REGISTER_DOUBLE(_idx, _val) \ 271 ( (_idx) < curMethod->registersSize-1 ? \ 272 putDoubleToArray(fp, (_idx), (_val)) : (assert(!"bad reg"),1969.0) ) 273#else 274# define GET_REGISTER(_idx) (fp[(_idx)]) 275# define SET_REGISTER(_idx, _val) (fp[(_idx)] = (_val)) 276# define GET_REGISTER_AS_OBJECT(_idx) ((Object*) fp[(_idx)]) 277# define SET_REGISTER_AS_OBJECT(_idx, _val) (fp[(_idx)] = (u4)(_val)) 278# define GET_REGISTER_INT(_idx) ((s4)GET_REGISTER(_idx)) 279# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 280# define GET_REGISTER_WIDE(_idx) getLongFromArray(fp, (_idx)) 281# define SET_REGISTER_WIDE(_idx, _val) putLongToArray(fp, (_idx), (_val)) 282# define GET_REGISTER_FLOAT(_idx) (*((float*) &fp[(_idx)])) 283# define SET_REGISTER_FLOAT(_idx, _val) (*((float*) &fp[(_idx)]) = (_val)) 284# define GET_REGISTER_DOUBLE(_idx) getDoubleFromArray(fp, (_idx)) 285# define SET_REGISTER_DOUBLE(_idx, _val) putDoubleToArray(fp, (_idx), (_val)) 286#endif 287 288/* 289 * Get 16 bits from the specified offset of the program counter. We always 290 * want to load 16 bits at a time from the instruction stream -- it's more 291 * efficient than 8 and won't have the alignment problems that 32 might. 292 * 293 * Assumes existence of "const u2* pc". 294 */ 295#define FETCH(_offset) (pc[(_offset)]) 296 297/* 298 * Extract instruction byte from 16-bit fetch (_inst is a u2). 299 */ 300#define INST_INST(_inst) ((_inst) & 0xff) 301 302/* 303 * Replace the opcode (used when handling breakpoints). _opcode is a u1. 304 */ 305#define INST_REPLACE_OP(_inst, _opcode) (((_inst) & 0xff00) | _opcode) 306 307/* 308 * Extract the "vA, vB" 4-bit registers from the instruction word (_inst is u2). 309 */ 310#define INST_A(_inst) (((_inst) >> 8) & 0x0f) 311#define INST_B(_inst) ((_inst) >> 12) 312 313/* 314 * Get the 8-bit "vAA" 8-bit register index from the instruction word. 315 * (_inst is u2) 316 */ 317#define INST_AA(_inst) ((_inst) >> 8) 318 319/* 320 * The current PC must be available to Throwable constructors, e.g. 321 * those created by dvmThrowException(), so that the exception stack 322 * trace can be generated correctly. If we don't do this, the offset 323 * within the current method won't be shown correctly. See the notes 324 * in Exception.c. 325 * 326 * This is also used to determine the address for precise GC. 327 * 328 * Assumes existence of "u4* fp" and "const u2* pc". 329 */ 330#define EXPORT_PC() (SAVEAREA_FROM_FP(fp)->xtra.currentPc = pc) 331 332/* 333 * Determine if we need to switch to a different interpreter. "_current" 334 * is either INTERP_STD or INTERP_DBG. It should be fixed for a given 335 * interpreter generation file, which should remove the outer conditional 336 * from the following. 337 * 338 * If we're building without debug and profiling support, we never switch. 339 */ 340#if defined(WITH_JIT) 341# define NEED_INTERP_SWITCH(_current) ( \ 342 (_current == INTERP_STD) ? \ 343 dvmJitDebuggerOrProfilerActive() : !dvmJitDebuggerOrProfilerActive() ) 344#else 345# define NEED_INTERP_SWITCH(_current) ( \ 346 (_current == INTERP_STD) ? \ 347 dvmDebuggerOrProfilerActive() : !dvmDebuggerOrProfilerActive() ) 348#endif 349 350/* 351 * Check to see if "obj" is NULL. If so, throw an exception. Assumes the 352 * pc has already been exported to the stack. 353 * 354 * Perform additional checks on debug builds. 355 * 356 * Use this to check for NULL when the instruction handler calls into 357 * something that could throw an exception (so we have already called 358 * EXPORT_PC at the top). 359 */ 360static inline bool checkForNull(Object* obj) 361{ 362 if (obj == NULL) { 363 dvmThrowException("Ljava/lang/NullPointerException;", NULL); 364 return false; 365 } 366#ifdef WITH_EXTRA_OBJECT_VALIDATION 367 if (!dvmIsValidObject(obj)) { 368 LOGE("Invalid object %p\n", obj); 369 dvmAbort(); 370 } 371#endif 372#ifndef NDEBUG 373 if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { 374 /* probable heap corruption */ 375 LOGE("Invalid object class %p (in %p)\n", obj->clazz, obj); 376 dvmAbort(); 377 } 378#endif 379 return true; 380} 381 382/* 383 * Check to see if "obj" is NULL. If so, export the PC into the stack 384 * frame and throw an exception. 385 * 386 * Perform additional checks on debug builds. 387 * 388 * Use this to check for NULL when the instruction handler doesn't do 389 * anything else that can throw an exception. 390 */ 391static inline bool checkForNullExportPC(Object* obj, u4* fp, const u2* pc) 392{ 393 if (obj == NULL) { 394 EXPORT_PC(); 395 dvmThrowException("Ljava/lang/NullPointerException;", NULL); 396 return false; 397 } 398#ifdef WITH_EXTRA_OBJECT_VALIDATION 399 if (!dvmIsValidObject(obj)) { 400 LOGE("Invalid object %p\n", obj); 401 dvmAbort(); 402 } 403#endif 404#ifndef NDEBUG 405 if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { 406 /* probable heap corruption */ 407 LOGE("Invalid object class %p (in %p)\n", obj->clazz, obj); 408 dvmAbort(); 409 } 410#endif 411 return true; 412} 413 414/* File: cstubs/stubdefs.c */ 415/* this is a standard (no debug support) interpreter */ 416#define INTERP_TYPE INTERP_STD 417#define CHECK_DEBUG_AND_PROF() ((void)0) 418# define CHECK_TRACKED_REFS() ((void)0) 419#define CHECK_JIT_BOOL() (false) 420#define CHECK_JIT_VOID() 421#define ABORT_JIT_TSELECT() ((void)0) 422 423/* 424 * In the C mterp stubs, "goto" is a function call followed immediately 425 * by a return. 426 */ 427 428#define GOTO_TARGET_DECL(_target, ...) \ 429 void dvmMterp_##_target(MterpGlue* glue, ## __VA_ARGS__); 430 431#define GOTO_TARGET(_target, ...) \ 432 void dvmMterp_##_target(MterpGlue* glue, ## __VA_ARGS__) { \ 433 u2 ref, vsrc1, vsrc2, vdst; \ 434 u2 inst = FETCH(0); \ 435 const Method* methodToCall; \ 436 StackSaveArea* debugSaveArea; 437 438#define GOTO_TARGET_END } 439 440/* 441 * Redefine what used to be local variable accesses into MterpGlue struct 442 * references. (These are undefined down in "footer.c".) 443 */ 444#define retval glue->retval 445#define pc glue->pc 446#define fp glue->fp 447#define curMethod glue->method 448#define methodClassDex glue->methodClassDex 449#define self glue->self 450#define debugTrackedRefStart glue->debugTrackedRefStart 451 452/* ugh */ 453#define STUB_HACK(x) x 454 455 456/* 457 * Opcode handler framing macros. Here, each opcode is a separate function 458 * that takes a "glue" argument and returns void. We can't declare 459 * these "static" because they may be called from an assembly stub. 460 */ 461#define HANDLE_OPCODE(_op) \ 462 void dvmMterp_##_op(MterpGlue* glue) { \ 463 u2 ref, vsrc1, vsrc2, vdst; \ 464 u2 inst = FETCH(0); 465 466#define OP_END } 467 468/* 469 * Like the "portable" FINISH, but don't reload "inst", and return to caller 470 * when done. 471 */ 472#define FINISH(_offset) { \ 473 ADJUST_PC(_offset); \ 474 CHECK_DEBUG_AND_PROF(); \ 475 CHECK_TRACKED_REFS(); \ 476 return; \ 477 } 478 479 480/* 481 * The "goto label" statements turn into function calls followed by 482 * return statements. Some of the functions take arguments, which in the 483 * portable interpreter are handled by assigning values to globals. 484 */ 485 486#define GOTO_exceptionThrown() \ 487 do { \ 488 dvmMterp_exceptionThrown(glue); \ 489 return; \ 490 } while(false) 491 492#define GOTO_returnFromMethod() \ 493 do { \ 494 dvmMterp_returnFromMethod(glue); \ 495 return; \ 496 } while(false) 497 498#define GOTO_invoke(_target, _methodCallRange) \ 499 do { \ 500 dvmMterp_##_target(glue, _methodCallRange); \ 501 return; \ 502 } while(false) 503 504#define GOTO_invokeMethod(_methodCallRange, _methodToCall, _vsrc1, _vdst) \ 505 do { \ 506 dvmMterp_invokeMethod(glue, _methodCallRange, _methodToCall, \ 507 _vsrc1, _vdst); \ 508 return; \ 509 } while(false) 510 511/* 512 * As a special case, "goto bail" turns into a longjmp. Use "bail_switch" 513 * if we need to switch to the other interpreter upon our return. 514 */ 515#define GOTO_bail() \ 516 dvmMterpStdBail(glue, false); 517#define GOTO_bail_switch() \ 518 dvmMterpStdBail(glue, true); 519 520/* 521 * Periodically check for thread suspension. 522 * 523 * While we're at it, see if a debugger has attached or the profiler has 524 * started. If so, switch to a different "goto" table. 525 */ 526#define PERIODIC_CHECKS(_entryPoint, _pcadj) { \ 527 if (dvmCheckSuspendQuick(self)) { \ 528 EXPORT_PC(); /* need for precise GC */ \ 529 dvmCheckSuspendPending(self); \ 530 } \ 531 if (NEED_INTERP_SWITCH(INTERP_TYPE)) { \ 532 ADJUST_PC(_pcadj); \ 533 glue->entryPoint = _entryPoint; \ 534 LOGVV("threadid=%d: switch to STD ep=%d adj=%d\n", \ 535 self->threadId, (_entryPoint), (_pcadj)); \ 536 GOTO_bail_switch(); \ 537 } \ 538 } 539 540/* File: c/opcommon.c */ 541/* forward declarations of goto targets */ 542GOTO_TARGET_DECL(filledNewArray, bool methodCallRange); 543GOTO_TARGET_DECL(invokeVirtual, bool methodCallRange); 544GOTO_TARGET_DECL(invokeSuper, bool methodCallRange); 545GOTO_TARGET_DECL(invokeInterface, bool methodCallRange); 546GOTO_TARGET_DECL(invokeDirect, bool methodCallRange); 547GOTO_TARGET_DECL(invokeStatic, bool methodCallRange); 548GOTO_TARGET_DECL(invokeVirtualQuick, bool methodCallRange); 549GOTO_TARGET_DECL(invokeSuperQuick, bool methodCallRange); 550GOTO_TARGET_DECL(invokeMethod, bool methodCallRange, const Method* methodToCall, 551 u2 count, u2 regs); 552GOTO_TARGET_DECL(returnFromMethod); 553GOTO_TARGET_DECL(exceptionThrown); 554 555/* 556 * =========================================================================== 557 * 558 * What follows are opcode definitions shared between multiple opcodes with 559 * minor substitutions handled by the C pre-processor. These should probably 560 * use the mterp substitution mechanism instead, with the code here moved 561 * into common fragment files (like the asm "binop.S"), although it's hard 562 * to give up the C preprocessor in favor of the much simpler text subst. 563 * 564 * =========================================================================== 565 */ 566 567#define HANDLE_NUMCONV(_opcode, _opname, _fromtype, _totype) \ 568 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 569 vdst = INST_A(inst); \ 570 vsrc1 = INST_B(inst); \ 571 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 572 SET_REGISTER##_totype(vdst, \ 573 GET_REGISTER##_fromtype(vsrc1)); \ 574 FINISH(1); 575 576#define HANDLE_FLOAT_TO_INT(_opcode, _opname, _fromvtype, _fromrtype, \ 577 _tovtype, _tortype) \ 578 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 579 { \ 580 /* spec defines specific handling for +/- inf and NaN values */ \ 581 _fromvtype val; \ 582 _tovtype intMin, intMax, result; \ 583 vdst = INST_A(inst); \ 584 vsrc1 = INST_B(inst); \ 585 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 586 val = GET_REGISTER##_fromrtype(vsrc1); \ 587 intMin = (_tovtype) 1 << (sizeof(_tovtype) * 8 -1); \ 588 intMax = ~intMin; \ 589 result = (_tovtype) val; \ 590 if (val >= intMax) /* +inf */ \ 591 result = intMax; \ 592 else if (val <= intMin) /* -inf */ \ 593 result = intMin; \ 594 else if (val != val) /* NaN */ \ 595 result = 0; \ 596 else \ 597 result = (_tovtype) val; \ 598 SET_REGISTER##_tortype(vdst, result); \ 599 } \ 600 FINISH(1); 601 602#define HANDLE_INT_TO_SMALL(_opcode, _opname, _type) \ 603 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 604 vdst = INST_A(inst); \ 605 vsrc1 = INST_B(inst); \ 606 ILOGV("|int-to-%s v%d,v%d", (_opname), vdst, vsrc1); \ 607 SET_REGISTER(vdst, (_type) GET_REGISTER(vsrc1)); \ 608 FINISH(1); 609 610/* NOTE: the comparison result is always a signed 4-byte integer */ 611#define HANDLE_OP_CMPX(_opcode, _opname, _varType, _type, _nanVal) \ 612 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 613 { \ 614 int result; \ 615 u2 regs; \ 616 _varType val1, val2; \ 617 vdst = INST_AA(inst); \ 618 regs = FETCH(1); \ 619 vsrc1 = regs & 0xff; \ 620 vsrc2 = regs >> 8; \ 621 ILOGV("|cmp%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 622 val1 = GET_REGISTER##_type(vsrc1); \ 623 val2 = GET_REGISTER##_type(vsrc2); \ 624 if (val1 == val2) \ 625 result = 0; \ 626 else if (val1 < val2) \ 627 result = -1; \ 628 else if (val1 > val2) \ 629 result = 1; \ 630 else \ 631 result = (_nanVal); \ 632 ILOGV("+ result=%d\n", result); \ 633 SET_REGISTER(vdst, result); \ 634 } \ 635 FINISH(2); 636 637#define HANDLE_OP_IF_XX(_opcode, _opname, _cmp) \ 638 HANDLE_OPCODE(_opcode /*vA, vB, +CCCC*/) \ 639 vsrc1 = INST_A(inst); \ 640 vsrc2 = INST_B(inst); \ 641 if ((s4) GET_REGISTER(vsrc1) _cmp (s4) GET_REGISTER(vsrc2)) { \ 642 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 643 ILOGV("|if-%s v%d,v%d,+0x%04x", (_opname), vsrc1, vsrc2, \ 644 branchOffset); \ 645 ILOGV("> branch taken"); \ 646 if (branchOffset < 0) \ 647 PERIODIC_CHECKS(kInterpEntryInstr, branchOffset); \ 648 FINISH(branchOffset); \ 649 } else { \ 650 ILOGV("|if-%s v%d,v%d,-", (_opname), vsrc1, vsrc2); \ 651 FINISH(2); \ 652 } 653 654#define HANDLE_OP_IF_XXZ(_opcode, _opname, _cmp) \ 655 HANDLE_OPCODE(_opcode /*vAA, +BBBB*/) \ 656 vsrc1 = INST_AA(inst); \ 657 if ((s4) GET_REGISTER(vsrc1) _cmp 0) { \ 658 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 659 ILOGV("|if-%s v%d,+0x%04x", (_opname), vsrc1, branchOffset); \ 660 ILOGV("> branch taken"); \ 661 if (branchOffset < 0) \ 662 PERIODIC_CHECKS(kInterpEntryInstr, branchOffset); \ 663 FINISH(branchOffset); \ 664 } else { \ 665 ILOGV("|if-%s v%d,-", (_opname), vsrc1); \ 666 FINISH(2); \ 667 } 668 669#define HANDLE_UNOP(_opcode, _opname, _pfx, _sfx, _type) \ 670 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 671 vdst = INST_A(inst); \ 672 vsrc1 = INST_B(inst); \ 673 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 674 SET_REGISTER##_type(vdst, _pfx GET_REGISTER##_type(vsrc1) _sfx); \ 675 FINISH(1); 676 677#define HANDLE_OP_X_INT(_opcode, _opname, _op, _chkdiv) \ 678 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 679 { \ 680 u2 srcRegs; \ 681 vdst = INST_AA(inst); \ 682 srcRegs = FETCH(1); \ 683 vsrc1 = srcRegs & 0xff; \ 684 vsrc2 = srcRegs >> 8; \ 685 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 686 if (_chkdiv != 0) { \ 687 s4 firstVal, secondVal, result; \ 688 firstVal = GET_REGISTER(vsrc1); \ 689 secondVal = GET_REGISTER(vsrc2); \ 690 if (secondVal == 0) { \ 691 EXPORT_PC(); \ 692 dvmThrowException("Ljava/lang/ArithmeticException;", \ 693 "divide by zero"); \ 694 GOTO_exceptionThrown(); \ 695 } \ 696 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 697 if (_chkdiv == 1) \ 698 result = firstVal; /* division */ \ 699 else \ 700 result = 0; /* remainder */ \ 701 } else { \ 702 result = firstVal _op secondVal; \ 703 } \ 704 SET_REGISTER(vdst, result); \ 705 } else { \ 706 /* non-div/rem case */ \ 707 SET_REGISTER(vdst, \ 708 (s4) GET_REGISTER(vsrc1) _op (s4) GET_REGISTER(vsrc2)); \ 709 } \ 710 } \ 711 FINISH(2); 712 713#define HANDLE_OP_SHX_INT(_opcode, _opname, _cast, _op) \ 714 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 715 { \ 716 u2 srcRegs; \ 717 vdst = INST_AA(inst); \ 718 srcRegs = FETCH(1); \ 719 vsrc1 = srcRegs & 0xff; \ 720 vsrc2 = srcRegs >> 8; \ 721 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 722 SET_REGISTER(vdst, \ 723 _cast GET_REGISTER(vsrc1) _op (GET_REGISTER(vsrc2) & 0x1f)); \ 724 } \ 725 FINISH(2); 726 727#define HANDLE_OP_X_INT_LIT16(_opcode, _opname, _op, _chkdiv) \ 728 HANDLE_OPCODE(_opcode /*vA, vB, #+CCCC*/) \ 729 vdst = INST_A(inst); \ 730 vsrc1 = INST_B(inst); \ 731 vsrc2 = FETCH(1); \ 732 ILOGV("|%s-int/lit16 v%d,v%d,#+0x%04x", \ 733 (_opname), vdst, vsrc1, vsrc2); \ 734 if (_chkdiv != 0) { \ 735 s4 firstVal, result; \ 736 firstVal = GET_REGISTER(vsrc1); \ 737 if ((s2) vsrc2 == 0) { \ 738 EXPORT_PC(); \ 739 dvmThrowException("Ljava/lang/ArithmeticException;", \ 740 "divide by zero"); \ 741 GOTO_exceptionThrown(); \ 742 } \ 743 if ((u4)firstVal == 0x80000000 && ((s2) vsrc2) == -1) { \ 744 /* won't generate /lit16 instr for this; check anyway */ \ 745 if (_chkdiv == 1) \ 746 result = firstVal; /* division */ \ 747 else \ 748 result = 0; /* remainder */ \ 749 } else { \ 750 result = firstVal _op (s2) vsrc2; \ 751 } \ 752 SET_REGISTER(vdst, result); \ 753 } else { \ 754 /* non-div/rem case */ \ 755 SET_REGISTER(vdst, GET_REGISTER(vsrc1) _op (s2) vsrc2); \ 756 } \ 757 FINISH(2); 758 759#define HANDLE_OP_X_INT_LIT8(_opcode, _opname, _op, _chkdiv) \ 760 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 761 { \ 762 u2 litInfo; \ 763 vdst = INST_AA(inst); \ 764 litInfo = FETCH(1); \ 765 vsrc1 = litInfo & 0xff; \ 766 vsrc2 = litInfo >> 8; /* constant */ \ 767 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 768 (_opname), vdst, vsrc1, vsrc2); \ 769 if (_chkdiv != 0) { \ 770 s4 firstVal, result; \ 771 firstVal = GET_REGISTER(vsrc1); \ 772 if ((s1) vsrc2 == 0) { \ 773 EXPORT_PC(); \ 774 dvmThrowException("Ljava/lang/ArithmeticException;", \ 775 "divide by zero"); \ 776 GOTO_exceptionThrown(); \ 777 } \ 778 if ((u4)firstVal == 0x80000000 && ((s1) vsrc2) == -1) { \ 779 if (_chkdiv == 1) \ 780 result = firstVal; /* division */ \ 781 else \ 782 result = 0; /* remainder */ \ 783 } else { \ 784 result = firstVal _op ((s1) vsrc2); \ 785 } \ 786 SET_REGISTER(vdst, result); \ 787 } else { \ 788 SET_REGISTER(vdst, \ 789 (s4) GET_REGISTER(vsrc1) _op (s1) vsrc2); \ 790 } \ 791 } \ 792 FINISH(2); 793 794#define HANDLE_OP_SHX_INT_LIT8(_opcode, _opname, _cast, _op) \ 795 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 796 { \ 797 u2 litInfo; \ 798 vdst = INST_AA(inst); \ 799 litInfo = FETCH(1); \ 800 vsrc1 = litInfo & 0xff; \ 801 vsrc2 = litInfo >> 8; /* constant */ \ 802 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 803 (_opname), vdst, vsrc1, vsrc2); \ 804 SET_REGISTER(vdst, \ 805 _cast GET_REGISTER(vsrc1) _op (vsrc2 & 0x1f)); \ 806 } \ 807 FINISH(2); 808 809#define HANDLE_OP_X_INT_2ADDR(_opcode, _opname, _op, _chkdiv) \ 810 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 811 vdst = INST_A(inst); \ 812 vsrc1 = INST_B(inst); \ 813 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 814 if (_chkdiv != 0) { \ 815 s4 firstVal, secondVal, result; \ 816 firstVal = GET_REGISTER(vdst); \ 817 secondVal = GET_REGISTER(vsrc1); \ 818 if (secondVal == 0) { \ 819 EXPORT_PC(); \ 820 dvmThrowException("Ljava/lang/ArithmeticException;", \ 821 "divide by zero"); \ 822 GOTO_exceptionThrown(); \ 823 } \ 824 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 825 if (_chkdiv == 1) \ 826 result = firstVal; /* division */ \ 827 else \ 828 result = 0; /* remainder */ \ 829 } else { \ 830 result = firstVal _op secondVal; \ 831 } \ 832 SET_REGISTER(vdst, result); \ 833 } else { \ 834 SET_REGISTER(vdst, \ 835 (s4) GET_REGISTER(vdst) _op (s4) GET_REGISTER(vsrc1)); \ 836 } \ 837 FINISH(1); 838 839#define HANDLE_OP_SHX_INT_2ADDR(_opcode, _opname, _cast, _op) \ 840 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 841 vdst = INST_A(inst); \ 842 vsrc1 = INST_B(inst); \ 843 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 844 SET_REGISTER(vdst, \ 845 _cast GET_REGISTER(vdst) _op (GET_REGISTER(vsrc1) & 0x1f)); \ 846 FINISH(1); 847 848#define HANDLE_OP_X_LONG(_opcode, _opname, _op, _chkdiv) \ 849 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 850 { \ 851 u2 srcRegs; \ 852 vdst = INST_AA(inst); \ 853 srcRegs = FETCH(1); \ 854 vsrc1 = srcRegs & 0xff; \ 855 vsrc2 = srcRegs >> 8; \ 856 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 857 if (_chkdiv != 0) { \ 858 s8 firstVal, secondVal, result; \ 859 firstVal = GET_REGISTER_WIDE(vsrc1); \ 860 secondVal = GET_REGISTER_WIDE(vsrc2); \ 861 if (secondVal == 0LL) { \ 862 EXPORT_PC(); \ 863 dvmThrowException("Ljava/lang/ArithmeticException;", \ 864 "divide by zero"); \ 865 GOTO_exceptionThrown(); \ 866 } \ 867 if ((u8)firstVal == 0x8000000000000000ULL && \ 868 secondVal == -1LL) \ 869 { \ 870 if (_chkdiv == 1) \ 871 result = firstVal; /* division */ \ 872 else \ 873 result = 0; /* remainder */ \ 874 } else { \ 875 result = firstVal _op secondVal; \ 876 } \ 877 SET_REGISTER_WIDE(vdst, result); \ 878 } else { \ 879 SET_REGISTER_WIDE(vdst, \ 880 (s8) GET_REGISTER_WIDE(vsrc1) _op (s8) GET_REGISTER_WIDE(vsrc2)); \ 881 } \ 882 } \ 883 FINISH(2); 884 885#define HANDLE_OP_SHX_LONG(_opcode, _opname, _cast, _op) \ 886 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 887 { \ 888 u2 srcRegs; \ 889 vdst = INST_AA(inst); \ 890 srcRegs = FETCH(1); \ 891 vsrc1 = srcRegs & 0xff; \ 892 vsrc2 = srcRegs >> 8; \ 893 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 894 SET_REGISTER_WIDE(vdst, \ 895 _cast GET_REGISTER_WIDE(vsrc1) _op (GET_REGISTER(vsrc2) & 0x3f)); \ 896 } \ 897 FINISH(2); 898 899#define HANDLE_OP_X_LONG_2ADDR(_opcode, _opname, _op, _chkdiv) \ 900 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 901 vdst = INST_A(inst); \ 902 vsrc1 = INST_B(inst); \ 903 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 904 if (_chkdiv != 0) { \ 905 s8 firstVal, secondVal, result; \ 906 firstVal = GET_REGISTER_WIDE(vdst); \ 907 secondVal = GET_REGISTER_WIDE(vsrc1); \ 908 if (secondVal == 0LL) { \ 909 EXPORT_PC(); \ 910 dvmThrowException("Ljava/lang/ArithmeticException;", \ 911 "divide by zero"); \ 912 GOTO_exceptionThrown(); \ 913 } \ 914 if ((u8)firstVal == 0x8000000000000000ULL && \ 915 secondVal == -1LL) \ 916 { \ 917 if (_chkdiv == 1) \ 918 result = firstVal; /* division */ \ 919 else \ 920 result = 0; /* remainder */ \ 921 } else { \ 922 result = firstVal _op secondVal; \ 923 } \ 924 SET_REGISTER_WIDE(vdst, result); \ 925 } else { \ 926 SET_REGISTER_WIDE(vdst, \ 927 (s8) GET_REGISTER_WIDE(vdst) _op (s8)GET_REGISTER_WIDE(vsrc1));\ 928 } \ 929 FINISH(1); 930 931#define HANDLE_OP_SHX_LONG_2ADDR(_opcode, _opname, _cast, _op) \ 932 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 933 vdst = INST_A(inst); \ 934 vsrc1 = INST_B(inst); \ 935 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 936 SET_REGISTER_WIDE(vdst, \ 937 _cast GET_REGISTER_WIDE(vdst) _op (GET_REGISTER(vsrc1) & 0x3f)); \ 938 FINISH(1); 939 940#define HANDLE_OP_X_FLOAT(_opcode, _opname, _op) \ 941 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 942 { \ 943 u2 srcRegs; \ 944 vdst = INST_AA(inst); \ 945 srcRegs = FETCH(1); \ 946 vsrc1 = srcRegs & 0xff; \ 947 vsrc2 = srcRegs >> 8; \ 948 ILOGV("|%s-float v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 949 SET_REGISTER_FLOAT(vdst, \ 950 GET_REGISTER_FLOAT(vsrc1) _op GET_REGISTER_FLOAT(vsrc2)); \ 951 } \ 952 FINISH(2); 953 954#define HANDLE_OP_X_DOUBLE(_opcode, _opname, _op) \ 955 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 956 { \ 957 u2 srcRegs; \ 958 vdst = INST_AA(inst); \ 959 srcRegs = FETCH(1); \ 960 vsrc1 = srcRegs & 0xff; \ 961 vsrc2 = srcRegs >> 8; \ 962 ILOGV("|%s-double v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 963 SET_REGISTER_DOUBLE(vdst, \ 964 GET_REGISTER_DOUBLE(vsrc1) _op GET_REGISTER_DOUBLE(vsrc2)); \ 965 } \ 966 FINISH(2); 967 968#define HANDLE_OP_X_FLOAT_2ADDR(_opcode, _opname, _op) \ 969 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 970 vdst = INST_A(inst); \ 971 vsrc1 = INST_B(inst); \ 972 ILOGV("|%s-float-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 973 SET_REGISTER_FLOAT(vdst, \ 974 GET_REGISTER_FLOAT(vdst) _op GET_REGISTER_FLOAT(vsrc1)); \ 975 FINISH(1); 976 977#define HANDLE_OP_X_DOUBLE_2ADDR(_opcode, _opname, _op) \ 978 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 979 vdst = INST_A(inst); \ 980 vsrc1 = INST_B(inst); \ 981 ILOGV("|%s-double-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 982 SET_REGISTER_DOUBLE(vdst, \ 983 GET_REGISTER_DOUBLE(vdst) _op GET_REGISTER_DOUBLE(vsrc1)); \ 984 FINISH(1); 985 986#define HANDLE_OP_AGET(_opcode, _opname, _type, _regsize) \ 987 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 988 { \ 989 ArrayObject* arrayObj; \ 990 u2 arrayInfo; \ 991 EXPORT_PC(); \ 992 vdst = INST_AA(inst); \ 993 arrayInfo = FETCH(1); \ 994 vsrc1 = arrayInfo & 0xff; /* array ptr */ \ 995 vsrc2 = arrayInfo >> 8; /* index */ \ 996 ILOGV("|aget%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 997 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 998 if (!checkForNull((Object*) arrayObj)) \ 999 GOTO_exceptionThrown(); \ 1000 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 1001 LOGV("Invalid array access: %p %d (len=%d)\n", \ 1002 arrayObj, vsrc2, arrayObj->length); \ 1003 dvmThrowException("Ljava/lang/ArrayIndexOutOfBoundsException;", \ 1004 NULL); \ 1005 GOTO_exceptionThrown(); \ 1006 } \ 1007 SET_REGISTER##_regsize(vdst, \ 1008 ((_type*) arrayObj->contents)[GET_REGISTER(vsrc2)]); \ 1009 ILOGV("+ AGET[%d]=0x%x", GET_REGISTER(vsrc2), GET_REGISTER(vdst)); \ 1010 } \ 1011 FINISH(2); 1012 1013#define HANDLE_OP_APUT(_opcode, _opname, _type, _regsize) \ 1014 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 1015 { \ 1016 ArrayObject* arrayObj; \ 1017 u2 arrayInfo; \ 1018 EXPORT_PC(); \ 1019 vdst = INST_AA(inst); /* AA: source value */ \ 1020 arrayInfo = FETCH(1); \ 1021 vsrc1 = arrayInfo & 0xff; /* BB: array ptr */ \ 1022 vsrc2 = arrayInfo >> 8; /* CC: index */ \ 1023 ILOGV("|aput%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 1024 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 1025 if (!checkForNull((Object*) arrayObj)) \ 1026 GOTO_exceptionThrown(); \ 1027 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 1028 dvmThrowException("Ljava/lang/ArrayIndexOutOfBoundsException;", \ 1029 NULL); \ 1030 GOTO_exceptionThrown(); \ 1031 } \ 1032 ILOGV("+ APUT[%d]=0x%08x", GET_REGISTER(vsrc2), GET_REGISTER(vdst));\ 1033 ((_type*) arrayObj->contents)[GET_REGISTER(vsrc2)] = \ 1034 GET_REGISTER##_regsize(vdst); \ 1035 } \ 1036 FINISH(2); 1037 1038/* 1039 * It's possible to get a bad value out of a field with sub-32-bit stores 1040 * because the -quick versions always operate on 32 bits. Consider: 1041 * short foo = -1 (sets a 32-bit register to 0xffffffff) 1042 * iput-quick foo (writes all 32 bits to the field) 1043 * short bar = 1 (sets a 32-bit register to 0x00000001) 1044 * iput-short (writes the low 16 bits to the field) 1045 * iget-quick foo (reads all 32 bits from the field, yielding 0xffff0001) 1046 * This can only happen when optimized and non-optimized code has interleaved 1047 * access to the same field. This is unlikely but possible. 1048 * 1049 * The easiest way to fix this is to always read/write 32 bits at a time. On 1050 * a device with a 16-bit data bus this is sub-optimal. (The alternative 1051 * approach is to have sub-int versions of iget-quick, but now we're wasting 1052 * Dalvik instruction space and making it less likely that handler code will 1053 * already be in the CPU i-cache.) 1054 */ 1055#define HANDLE_IGET_X(_opcode, _opname, _ftype, _regsize) \ 1056 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1057 { \ 1058 InstField* ifield; \ 1059 Object* obj; \ 1060 EXPORT_PC(); \ 1061 vdst = INST_A(inst); \ 1062 vsrc1 = INST_B(inst); /* object ptr */ \ 1063 ref = FETCH(1); /* field ref */ \ 1064 ILOGV("|iget%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1065 obj = (Object*) GET_REGISTER(vsrc1); \ 1066 if (!checkForNull(obj)) \ 1067 GOTO_exceptionThrown(); \ 1068 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1069 if (ifield == NULL) { \ 1070 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1071 if (ifield == NULL) \ 1072 GOTO_exceptionThrown(); \ 1073 } \ 1074 SET_REGISTER##_regsize(vdst, \ 1075 dvmGetField##_ftype(obj, ifield->byteOffset)); \ 1076 ILOGV("+ IGET '%s'=0x%08llx", ifield->field.name, \ 1077 (u8) GET_REGISTER##_regsize(vdst)); \ 1078 UPDATE_FIELD_GET(&ifield->field); \ 1079 } \ 1080 FINISH(2); 1081 1082#define HANDLE_IGET_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1083 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1084 { \ 1085 Object* obj; \ 1086 vdst = INST_A(inst); \ 1087 vsrc1 = INST_B(inst); /* object ptr */ \ 1088 ref = FETCH(1); /* field offset */ \ 1089 ILOGV("|iget%s-quick v%d,v%d,field@+%u", \ 1090 (_opname), vdst, vsrc1, ref); \ 1091 obj = (Object*) GET_REGISTER(vsrc1); \ 1092 if (!checkForNullExportPC(obj, fp, pc)) \ 1093 GOTO_exceptionThrown(); \ 1094 SET_REGISTER##_regsize(vdst, dvmGetField##_ftype(obj, ref)); \ 1095 ILOGV("+ IGETQ %d=0x%08llx", ref, \ 1096 (u8) GET_REGISTER##_regsize(vdst)); \ 1097 } \ 1098 FINISH(2); 1099 1100#define HANDLE_IPUT_X(_opcode, _opname, _ftype, _regsize) \ 1101 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1102 { \ 1103 InstField* ifield; \ 1104 Object* obj; \ 1105 EXPORT_PC(); \ 1106 vdst = INST_A(inst); \ 1107 vsrc1 = INST_B(inst); /* object ptr */ \ 1108 ref = FETCH(1); /* field ref */ \ 1109 ILOGV("|iput%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1110 obj = (Object*) GET_REGISTER(vsrc1); \ 1111 if (!checkForNull(obj)) \ 1112 GOTO_exceptionThrown(); \ 1113 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1114 if (ifield == NULL) { \ 1115 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1116 if (ifield == NULL) \ 1117 GOTO_exceptionThrown(); \ 1118 } \ 1119 dvmSetField##_ftype(obj, ifield->byteOffset, \ 1120 GET_REGISTER##_regsize(vdst)); \ 1121 ILOGV("+ IPUT '%s'=0x%08llx", ifield->field.name, \ 1122 (u8) GET_REGISTER##_regsize(vdst)); \ 1123 UPDATE_FIELD_PUT(&ifield->field); \ 1124 } \ 1125 FINISH(2); 1126 1127#define HANDLE_IPUT_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1128 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1129 { \ 1130 Object* obj; \ 1131 vdst = INST_A(inst); \ 1132 vsrc1 = INST_B(inst); /* object ptr */ \ 1133 ref = FETCH(1); /* field offset */ \ 1134 ILOGV("|iput%s-quick v%d,v%d,field@0x%04x", \ 1135 (_opname), vdst, vsrc1, ref); \ 1136 obj = (Object*) GET_REGISTER(vsrc1); \ 1137 if (!checkForNullExportPC(obj, fp, pc)) \ 1138 GOTO_exceptionThrown(); \ 1139 dvmSetField##_ftype(obj, ref, GET_REGISTER##_regsize(vdst)); \ 1140 ILOGV("+ IPUTQ %d=0x%08llx", ref, \ 1141 (u8) GET_REGISTER##_regsize(vdst)); \ 1142 } \ 1143 FINISH(2); 1144 1145/* 1146 * The JIT needs dvmDexGetResolvedField() to return non-null. 1147 * Since we use the portable interpreter to build the trace, the extra 1148 * checks in HANDLE_SGET_X and HANDLE_SPUT_X are not needed for mterp. 1149 */ 1150#define HANDLE_SGET_X(_opcode, _opname, _ftype, _regsize) \ 1151 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1152 { \ 1153 StaticField* sfield; \ 1154 vdst = INST_AA(inst); \ 1155 ref = FETCH(1); /* field ref */ \ 1156 ILOGV("|sget%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1157 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1158 if (sfield == NULL) { \ 1159 EXPORT_PC(); \ 1160 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1161 if (sfield == NULL) \ 1162 GOTO_exceptionThrown(); \ 1163 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1164 ABORT_JIT_TSELECT(); \ 1165 } \ 1166 } \ 1167 SET_REGISTER##_regsize(vdst, dvmGetStaticField##_ftype(sfield)); \ 1168 ILOGV("+ SGET '%s'=0x%08llx", \ 1169 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1170 UPDATE_FIELD_GET(&sfield->field); \ 1171 } \ 1172 FINISH(2); 1173 1174#define HANDLE_SPUT_X(_opcode, _opname, _ftype, _regsize) \ 1175 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1176 { \ 1177 StaticField* sfield; \ 1178 vdst = INST_AA(inst); \ 1179 ref = FETCH(1); /* field ref */ \ 1180 ILOGV("|sput%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1181 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1182 if (sfield == NULL) { \ 1183 EXPORT_PC(); \ 1184 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1185 if (sfield == NULL) \ 1186 GOTO_exceptionThrown(); \ 1187 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1188 ABORT_JIT_TSELECT(); \ 1189 } \ 1190 } \ 1191 dvmSetStaticField##_ftype(sfield, GET_REGISTER##_regsize(vdst)); \ 1192 ILOGV("+ SPUT '%s'=0x%08llx", \ 1193 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1194 UPDATE_FIELD_PUT(&sfield->field); \ 1195 } \ 1196 FINISH(2); 1197 1198/* File: c/OP_IGET_WIDE_VOLATILE.c */ 1199HANDLE_IGET_X(OP_IGET_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1200OP_END 1201 1202/* File: c/OP_IPUT_WIDE_VOLATILE.c */ 1203HANDLE_IPUT_X(OP_IPUT_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1204OP_END 1205 1206/* File: c/OP_SGET_WIDE_VOLATILE.c */ 1207HANDLE_SGET_X(OP_SGET_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1208OP_END 1209 1210/* File: c/OP_SPUT_WIDE_VOLATILE.c */ 1211HANDLE_SPUT_X(OP_SPUT_WIDE_VOLATILE, "-wide-volatile", LongVolatile, _WIDE) 1212OP_END 1213 1214/* File: c/OP_EXECUTE_INLINE_RANGE.c */ 1215HANDLE_OPCODE(OP_EXECUTE_INLINE_RANGE /*{vCCCC..v(CCCC+AA-1)}, inline@BBBB*/) 1216 { 1217 u4 arg0, arg1, arg2, arg3; 1218 arg0 = arg1 = arg2 = arg3 = 0; /* placate gcc */ 1219 1220 EXPORT_PC(); 1221 1222 vsrc1 = INST_AA(inst); /* #of args */ 1223 ref = FETCH(1); /* inline call "ref" */ 1224 vdst = FETCH(2); /* range base */ 1225 ILOGV("|execute-inline-range args=%d @%d {regs=v%d-v%d}", 1226 vsrc1, ref, vdst, vdst+vsrc1-1); 1227 1228 assert((vdst >> 16) == 0); // 16-bit type -or- high 16 bits clear 1229 assert(vsrc1 <= 4); 1230 1231 switch (vsrc1) { 1232 case 4: 1233 arg3 = GET_REGISTER(vdst+3); 1234 /* fall through */ 1235 case 3: 1236 arg2 = GET_REGISTER(vdst+2); 1237 /* fall through */ 1238 case 2: 1239 arg1 = GET_REGISTER(vdst+1); 1240 /* fall through */ 1241 case 1: 1242 arg0 = GET_REGISTER(vdst+0); 1243 /* fall through */ 1244 default: // case 0 1245 ; 1246 } 1247 1248#if INTERP_TYPE == INTERP_DBG 1249 if (!dvmPerformInlineOp4Dbg(arg0, arg1, arg2, arg3, &retval, ref)) 1250 GOTO_exceptionThrown(); 1251#else 1252 if (!dvmPerformInlineOp4Std(arg0, arg1, arg2, arg3, &retval, ref)) 1253 GOTO_exceptionThrown(); 1254#endif 1255 } 1256 FINISH(3); 1257OP_END 1258 1259/* File: c/gotoTargets.c */ 1260/* 1261 * C footer. This has some common code shared by the various targets. 1262 */ 1263 1264/* 1265 * Everything from here on is a "goto target". In the basic interpreter 1266 * we jump into these targets and then jump directly to the handler for 1267 * next instruction. Here, these are subroutines that return to the caller. 1268 */ 1269 1270GOTO_TARGET(filledNewArray, bool methodCallRange) 1271 { 1272 ClassObject* arrayClass; 1273 ArrayObject* newArray; 1274 u4* contents; 1275 char typeCh; 1276 int i; 1277 u4 arg5; 1278 1279 EXPORT_PC(); 1280 1281 ref = FETCH(1); /* class ref */ 1282 vdst = FETCH(2); /* first 4 regs -or- range base */ 1283 1284 if (methodCallRange) { 1285 vsrc1 = INST_AA(inst); /* #of elements */ 1286 arg5 = -1; /* silence compiler warning */ 1287 ILOGV("|filled-new-array-range args=%d @0x%04x {regs=v%d-v%d}", 1288 vsrc1, ref, vdst, vdst+vsrc1-1); 1289 } else { 1290 arg5 = INST_A(inst); 1291 vsrc1 = INST_B(inst); /* #of elements */ 1292 ILOGV("|filled-new-array args=%d @0x%04x {regs=0x%04x %x}", 1293 vsrc1, ref, vdst, arg5); 1294 } 1295 1296 /* 1297 * Resolve the array class. 1298 */ 1299 arrayClass = dvmDexGetResolvedClass(methodClassDex, ref); 1300 if (arrayClass == NULL) { 1301 arrayClass = dvmResolveClass(curMethod->clazz, ref, false); 1302 if (arrayClass == NULL) 1303 GOTO_exceptionThrown(); 1304 } 1305 /* 1306 if (!dvmIsArrayClass(arrayClass)) { 1307 dvmThrowException("Ljava/lang/RuntimeError;", 1308 "filled-new-array needs array class"); 1309 GOTO_exceptionThrown(); 1310 } 1311 */ 1312 /* verifier guarantees this is an array class */ 1313 assert(dvmIsArrayClass(arrayClass)); 1314 assert(dvmIsClassInitialized(arrayClass)); 1315 1316 /* 1317 * Create an array of the specified type. 1318 */ 1319 LOGVV("+++ filled-new-array type is '%s'\n", arrayClass->descriptor); 1320 typeCh = arrayClass->descriptor[1]; 1321 if (typeCh == 'D' || typeCh == 'J') { 1322 /* category 2 primitives not allowed */ 1323 dvmThrowException("Ljava/lang/RuntimeError;", 1324 "bad filled array req"); 1325 GOTO_exceptionThrown(); 1326 } else if (typeCh != 'L' && typeCh != '[' && typeCh != 'I') { 1327 /* TODO: requires multiple "fill in" loops with different widths */ 1328 LOGE("non-int primitives not implemented\n"); 1329 dvmThrowException("Ljava/lang/InternalError;", 1330 "filled-new-array not implemented for anything but 'int'"); 1331 GOTO_exceptionThrown(); 1332 } 1333 1334 newArray = dvmAllocArrayByClass(arrayClass, vsrc1, ALLOC_DONT_TRACK); 1335 if (newArray == NULL) 1336 GOTO_exceptionThrown(); 1337 1338 /* 1339 * Fill in the elements. It's legal for vsrc1 to be zero. 1340 */ 1341 contents = (u4*) newArray->contents; 1342 if (methodCallRange) { 1343 for (i = 0; i < vsrc1; i++) 1344 contents[i] = GET_REGISTER(vdst+i); 1345 } else { 1346 assert(vsrc1 <= 5); 1347 if (vsrc1 == 5) { 1348 contents[4] = GET_REGISTER(arg5); 1349 vsrc1--; 1350 } 1351 for (i = 0; i < vsrc1; i++) { 1352 contents[i] = GET_REGISTER(vdst & 0x0f); 1353 vdst >>= 4; 1354 } 1355 } 1356 if (typeCh == 'L' || typeCh == '[') { 1357 dvmWriteBarrierArray(newArray, 0, newArray->length); 1358 } 1359 1360 retval.l = newArray; 1361 } 1362 FINISH(3); 1363GOTO_TARGET_END 1364 1365 1366GOTO_TARGET(invokeVirtual, bool methodCallRange) 1367 { 1368 Method* baseMethod; 1369 Object* thisPtr; 1370 1371 EXPORT_PC(); 1372 1373 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1374 ref = FETCH(1); /* method ref */ 1375 vdst = FETCH(2); /* 4 regs -or- first reg */ 1376 1377 /* 1378 * The object against which we are executing a method is always 1379 * in the first argument. 1380 */ 1381 if (methodCallRange) { 1382 assert(vsrc1 > 0); 1383 ILOGV("|invoke-virtual-range args=%d @0x%04x {regs=v%d-v%d}", 1384 vsrc1, ref, vdst, vdst+vsrc1-1); 1385 thisPtr = (Object*) GET_REGISTER(vdst); 1386 } else { 1387 assert((vsrc1>>4) > 0); 1388 ILOGV("|invoke-virtual args=%d @0x%04x {regs=0x%04x %x}", 1389 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1390 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1391 } 1392 1393 if (!checkForNull(thisPtr)) 1394 GOTO_exceptionThrown(); 1395 1396 /* 1397 * Resolve the method. This is the correct method for the static 1398 * type of the object. We also verify access permissions here. 1399 */ 1400 baseMethod = dvmDexGetResolvedMethod(methodClassDex, ref); 1401 if (baseMethod == NULL) { 1402 baseMethod = dvmResolveMethod(curMethod->clazz, ref,METHOD_VIRTUAL); 1403 if (baseMethod == NULL) { 1404 ILOGV("+ unknown method or access denied\n"); 1405 GOTO_exceptionThrown(); 1406 } 1407 } 1408 1409 /* 1410 * Combine the object we found with the vtable offset in the 1411 * method. 1412 */ 1413 assert(baseMethod->methodIndex < thisPtr->clazz->vtableCount); 1414 methodToCall = thisPtr->clazz->vtable[baseMethod->methodIndex]; 1415 1416#if defined(WITH_JIT) && (INTERP_TYPE == INTERP_DBG) 1417 callsiteClass = thisPtr->clazz; 1418#endif 1419 1420#if 0 1421 if (dvmIsAbstractMethod(methodToCall)) { 1422 /* 1423 * This can happen if you create two classes, Base and Sub, where 1424 * Sub is a sub-class of Base. Declare a protected abstract 1425 * method foo() in Base, and invoke foo() from a method in Base. 1426 * Base is an "abstract base class" and is never instantiated 1427 * directly. Now, Override foo() in Sub, and use Sub. This 1428 * Works fine unless Sub stops providing an implementation of 1429 * the method. 1430 */ 1431 dvmThrowException("Ljava/lang/AbstractMethodError;", 1432 "abstract method not implemented"); 1433 GOTO_exceptionThrown(); 1434 } 1435#else 1436 assert(!dvmIsAbstractMethod(methodToCall) || 1437 methodToCall->nativeFunc != NULL); 1438#endif 1439 1440 LOGVV("+++ base=%s.%s virtual[%d]=%s.%s\n", 1441 baseMethod->clazz->descriptor, baseMethod->name, 1442 (u4) baseMethod->methodIndex, 1443 methodToCall->clazz->descriptor, methodToCall->name); 1444 assert(methodToCall != NULL); 1445 1446#if 0 1447 if (vsrc1 != methodToCall->insSize) { 1448 LOGW("WRONG METHOD: base=%s.%s virtual[%d]=%s.%s\n", 1449 baseMethod->clazz->descriptor, baseMethod->name, 1450 (u4) baseMethod->methodIndex, 1451 methodToCall->clazz->descriptor, methodToCall->name); 1452 //dvmDumpClass(baseMethod->clazz); 1453 //dvmDumpClass(methodToCall->clazz); 1454 dvmDumpAllClasses(0); 1455 } 1456#endif 1457 1458 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1459 } 1460GOTO_TARGET_END 1461 1462GOTO_TARGET(invokeSuper, bool methodCallRange) 1463 { 1464 Method* baseMethod; 1465 u2 thisReg; 1466 1467 EXPORT_PC(); 1468 1469 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1470 ref = FETCH(1); /* method ref */ 1471 vdst = FETCH(2); /* 4 regs -or- first reg */ 1472 1473 if (methodCallRange) { 1474 ILOGV("|invoke-super-range args=%d @0x%04x {regs=v%d-v%d}", 1475 vsrc1, ref, vdst, vdst+vsrc1-1); 1476 thisReg = vdst; 1477 } else { 1478 ILOGV("|invoke-super args=%d @0x%04x {regs=0x%04x %x}", 1479 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1480 thisReg = vdst & 0x0f; 1481 } 1482 /* impossible in well-formed code, but we must check nevertheless */ 1483 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1484 GOTO_exceptionThrown(); 1485 1486 /* 1487 * Resolve the method. This is the correct method for the static 1488 * type of the object. We also verify access permissions here. 1489 * The first arg to dvmResolveMethod() is just the referring class 1490 * (used for class loaders and such), so we don't want to pass 1491 * the superclass into the resolution call. 1492 */ 1493 baseMethod = dvmDexGetResolvedMethod(methodClassDex, ref); 1494 if (baseMethod == NULL) { 1495 baseMethod = dvmResolveMethod(curMethod->clazz, ref,METHOD_VIRTUAL); 1496 if (baseMethod == NULL) { 1497 ILOGV("+ unknown method or access denied\n"); 1498 GOTO_exceptionThrown(); 1499 } 1500 } 1501 1502 /* 1503 * Combine the object we found with the vtable offset in the 1504 * method's class. 1505 * 1506 * We're using the current method's class' superclass, not the 1507 * superclass of "this". This is because we might be executing 1508 * in a method inherited from a superclass, and we want to run 1509 * in that class' superclass. 1510 */ 1511 if (baseMethod->methodIndex >= curMethod->clazz->super->vtableCount) { 1512 /* 1513 * Method does not exist in the superclass. Could happen if 1514 * superclass gets updated. 1515 */ 1516 dvmThrowException("Ljava/lang/NoSuchMethodError;", 1517 baseMethod->name); 1518 GOTO_exceptionThrown(); 1519 } 1520 methodToCall = curMethod->clazz->super->vtable[baseMethod->methodIndex]; 1521#if 0 1522 if (dvmIsAbstractMethod(methodToCall)) { 1523 dvmThrowException("Ljava/lang/AbstractMethodError;", 1524 "abstract method not implemented"); 1525 GOTO_exceptionThrown(); 1526 } 1527#else 1528 assert(!dvmIsAbstractMethod(methodToCall) || 1529 methodToCall->nativeFunc != NULL); 1530#endif 1531 LOGVV("+++ base=%s.%s super-virtual=%s.%s\n", 1532 baseMethod->clazz->descriptor, baseMethod->name, 1533 methodToCall->clazz->descriptor, methodToCall->name); 1534 assert(methodToCall != NULL); 1535 1536 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1537 } 1538GOTO_TARGET_END 1539 1540GOTO_TARGET(invokeInterface, bool methodCallRange) 1541 { 1542 Object* thisPtr; 1543 ClassObject* thisClass; 1544 1545 EXPORT_PC(); 1546 1547 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1548 ref = FETCH(1); /* method ref */ 1549 vdst = FETCH(2); /* 4 regs -or- first reg */ 1550 1551 /* 1552 * The object against which we are executing a method is always 1553 * in the first argument. 1554 */ 1555 if (methodCallRange) { 1556 assert(vsrc1 > 0); 1557 ILOGV("|invoke-interface-range args=%d @0x%04x {regs=v%d-v%d}", 1558 vsrc1, ref, vdst, vdst+vsrc1-1); 1559 thisPtr = (Object*) GET_REGISTER(vdst); 1560 } else { 1561 assert((vsrc1>>4) > 0); 1562 ILOGV("|invoke-interface args=%d @0x%04x {regs=0x%04x %x}", 1563 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1564 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1565 } 1566 if (!checkForNull(thisPtr)) 1567 GOTO_exceptionThrown(); 1568 1569 thisClass = thisPtr->clazz; 1570 1571#if defined(WITH_JIT) && (INTERP_TYPE == INTERP_DBG) 1572 callsiteClass = thisClass; 1573#endif 1574 1575 /* 1576 * Given a class and a method index, find the Method* with the 1577 * actual code we want to execute. 1578 */ 1579 methodToCall = dvmFindInterfaceMethodInCache(thisClass, ref, curMethod, 1580 methodClassDex); 1581 if (methodToCall == NULL) { 1582 assert(dvmCheckException(self)); 1583 GOTO_exceptionThrown(); 1584 } 1585 1586 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1587 } 1588GOTO_TARGET_END 1589 1590GOTO_TARGET(invokeDirect, bool methodCallRange) 1591 { 1592 u2 thisReg; 1593 1594 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1595 ref = FETCH(1); /* method ref */ 1596 vdst = FETCH(2); /* 4 regs -or- first reg */ 1597 1598 EXPORT_PC(); 1599 1600 if (methodCallRange) { 1601 ILOGV("|invoke-direct-range args=%d @0x%04x {regs=v%d-v%d}", 1602 vsrc1, ref, vdst, vdst+vsrc1-1); 1603 thisReg = vdst; 1604 } else { 1605 ILOGV("|invoke-direct args=%d @0x%04x {regs=0x%04x %x}", 1606 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1607 thisReg = vdst & 0x0f; 1608 } 1609 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1610 GOTO_exceptionThrown(); 1611 1612 methodToCall = dvmDexGetResolvedMethod(methodClassDex, ref); 1613 if (methodToCall == NULL) { 1614 methodToCall = dvmResolveMethod(curMethod->clazz, ref, 1615 METHOD_DIRECT); 1616 if (methodToCall == NULL) { 1617 ILOGV("+ unknown direct method\n"); // should be impossible 1618 GOTO_exceptionThrown(); 1619 } 1620 } 1621 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1622 } 1623GOTO_TARGET_END 1624 1625GOTO_TARGET(invokeStatic, bool methodCallRange) 1626 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1627 ref = FETCH(1); /* method ref */ 1628 vdst = FETCH(2); /* 4 regs -or- first reg */ 1629 1630 EXPORT_PC(); 1631 1632 if (methodCallRange) 1633 ILOGV("|invoke-static-range args=%d @0x%04x {regs=v%d-v%d}", 1634 vsrc1, ref, vdst, vdst+vsrc1-1); 1635 else 1636 ILOGV("|invoke-static args=%d @0x%04x {regs=0x%04x %x}", 1637 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1638 1639 methodToCall = dvmDexGetResolvedMethod(methodClassDex, ref); 1640 if (methodToCall == NULL) { 1641 methodToCall = dvmResolveMethod(curMethod->clazz, ref, METHOD_STATIC); 1642 if (methodToCall == NULL) { 1643 ILOGV("+ unknown method\n"); 1644 GOTO_exceptionThrown(); 1645 } 1646 1647 /* 1648 * The JIT needs dvmDexGetResolvedMethod() to return non-null. 1649 * Since we use the portable interpreter to build the trace, this extra 1650 * check is not needed for mterp. 1651 */ 1652 if (dvmDexGetResolvedMethod(methodClassDex, ref) == NULL) { 1653 /* Class initialization is still ongoing */ 1654 ABORT_JIT_TSELECT(); 1655 } 1656 } 1657 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1658GOTO_TARGET_END 1659 1660GOTO_TARGET(invokeVirtualQuick, bool methodCallRange) 1661 { 1662 Object* thisPtr; 1663 1664 EXPORT_PC(); 1665 1666 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1667 ref = FETCH(1); /* vtable index */ 1668 vdst = FETCH(2); /* 4 regs -or- first reg */ 1669 1670 /* 1671 * The object against which we are executing a method is always 1672 * in the first argument. 1673 */ 1674 if (methodCallRange) { 1675 assert(vsrc1 > 0); 1676 ILOGV("|invoke-virtual-quick-range args=%d @0x%04x {regs=v%d-v%d}", 1677 vsrc1, ref, vdst, vdst+vsrc1-1); 1678 thisPtr = (Object*) GET_REGISTER(vdst); 1679 } else { 1680 assert((vsrc1>>4) > 0); 1681 ILOGV("|invoke-virtual-quick args=%d @0x%04x {regs=0x%04x %x}", 1682 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1683 thisPtr = (Object*) GET_REGISTER(vdst & 0x0f); 1684 } 1685 1686 if (!checkForNull(thisPtr)) 1687 GOTO_exceptionThrown(); 1688 1689#if defined(WITH_JIT) && (INTERP_TYPE == INTERP_DBG) 1690 callsiteClass = thisPtr->clazz; 1691#endif 1692 1693 /* 1694 * Combine the object we found with the vtable offset in the 1695 * method. 1696 */ 1697 assert(ref < thisPtr->clazz->vtableCount); 1698 methodToCall = thisPtr->clazz->vtable[ref]; 1699 1700#if 0 1701 if (dvmIsAbstractMethod(methodToCall)) { 1702 dvmThrowException("Ljava/lang/AbstractMethodError;", 1703 "abstract method not implemented"); 1704 GOTO_exceptionThrown(); 1705 } 1706#else 1707 assert(!dvmIsAbstractMethod(methodToCall) || 1708 methodToCall->nativeFunc != NULL); 1709#endif 1710 1711 LOGVV("+++ virtual[%d]=%s.%s\n", 1712 ref, methodToCall->clazz->descriptor, methodToCall->name); 1713 assert(methodToCall != NULL); 1714 1715 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1716 } 1717GOTO_TARGET_END 1718 1719GOTO_TARGET(invokeSuperQuick, bool methodCallRange) 1720 { 1721 u2 thisReg; 1722 1723 EXPORT_PC(); 1724 1725 vsrc1 = INST_AA(inst); /* AA (count) or BA (count + arg 5) */ 1726 ref = FETCH(1); /* vtable index */ 1727 vdst = FETCH(2); /* 4 regs -or- first reg */ 1728 1729 if (methodCallRange) { 1730 ILOGV("|invoke-super-quick-range args=%d @0x%04x {regs=v%d-v%d}", 1731 vsrc1, ref, vdst, vdst+vsrc1-1); 1732 thisReg = vdst; 1733 } else { 1734 ILOGV("|invoke-super-quick args=%d @0x%04x {regs=0x%04x %x}", 1735 vsrc1 >> 4, ref, vdst, vsrc1 & 0x0f); 1736 thisReg = vdst & 0x0f; 1737 } 1738 /* impossible in well-formed code, but we must check nevertheless */ 1739 if (!checkForNull((Object*) GET_REGISTER(thisReg))) 1740 GOTO_exceptionThrown(); 1741 1742#if 0 /* impossible in optimized + verified code */ 1743 if (ref >= curMethod->clazz->super->vtableCount) { 1744 dvmThrowException("Ljava/lang/NoSuchMethodError;", NULL); 1745 GOTO_exceptionThrown(); 1746 } 1747#else 1748 assert(ref < curMethod->clazz->super->vtableCount); 1749#endif 1750 1751 /* 1752 * Combine the object we found with the vtable offset in the 1753 * method's class. 1754 * 1755 * We're using the current method's class' superclass, not the 1756 * superclass of "this". This is because we might be executing 1757 * in a method inherited from a superclass, and we want to run 1758 * in the method's class' superclass. 1759 */ 1760 methodToCall = curMethod->clazz->super->vtable[ref]; 1761 1762#if 0 1763 if (dvmIsAbstractMethod(methodToCall)) { 1764 dvmThrowException("Ljava/lang/AbstractMethodError;", 1765 "abstract method not implemented"); 1766 GOTO_exceptionThrown(); 1767 } 1768#else 1769 assert(!dvmIsAbstractMethod(methodToCall) || 1770 methodToCall->nativeFunc != NULL); 1771#endif 1772 LOGVV("+++ super-virtual[%d]=%s.%s\n", 1773 ref, methodToCall->clazz->descriptor, methodToCall->name); 1774 assert(methodToCall != NULL); 1775 1776 GOTO_invokeMethod(methodCallRange, methodToCall, vsrc1, vdst); 1777 } 1778GOTO_TARGET_END 1779 1780 1781 /* 1782 * General handling for return-void, return, and return-wide. Put the 1783 * return value in "retval" before jumping here. 1784 */ 1785GOTO_TARGET(returnFromMethod) 1786 { 1787 StackSaveArea* saveArea; 1788 1789 /* 1790 * We must do this BEFORE we pop the previous stack frame off, so 1791 * that the GC can see the return value (if any) in the local vars. 1792 * 1793 * Since this is now an interpreter switch point, we must do it before 1794 * we do anything at all. 1795 */ 1796 PERIODIC_CHECKS(kInterpEntryReturn, 0); 1797 1798 ILOGV("> retval=0x%llx (leaving %s.%s %s)", 1799 retval.j, curMethod->clazz->descriptor, curMethod->name, 1800 curMethod->shorty); 1801 //DUMP_REGS(curMethod, fp); 1802 1803 saveArea = SAVEAREA_FROM_FP(fp); 1804 1805#ifdef EASY_GDB 1806 debugSaveArea = saveArea; 1807#endif 1808#if (INTERP_TYPE == INTERP_DBG) 1809 TRACE_METHOD_EXIT(self, curMethod); 1810#endif 1811 1812 /* back up to previous frame and see if we hit a break */ 1813 fp = saveArea->prevFrame; 1814 assert(fp != NULL); 1815 if (dvmIsBreakFrame(fp)) { 1816 /* bail without popping the method frame from stack */ 1817 LOGVV("+++ returned into break frame\n"); 1818#if defined(WITH_JIT) 1819 /* Let the Jit know the return is terminating normally */ 1820 CHECK_JIT_VOID(); 1821#endif 1822 GOTO_bail(); 1823 } 1824 1825 /* update thread FP, and reset local variables */ 1826 self->curFrame = fp; 1827 curMethod = SAVEAREA_FROM_FP(fp)->method; 1828 //methodClass = curMethod->clazz; 1829 methodClassDex = curMethod->clazz->pDvmDex; 1830 pc = saveArea->savedPc; 1831 ILOGD("> (return to %s.%s %s)", curMethod->clazz->descriptor, 1832 curMethod->name, curMethod->shorty); 1833 1834 /* use FINISH on the caller's invoke instruction */ 1835 //u2 invokeInstr = INST_INST(FETCH(0)); 1836 if (true /*invokeInstr >= OP_INVOKE_VIRTUAL && 1837 invokeInstr <= OP_INVOKE_INTERFACE*/) 1838 { 1839 FINISH(3); 1840 } else { 1841 //LOGE("Unknown invoke instr %02x at %d\n", 1842 // invokeInstr, (int) (pc - curMethod->insns)); 1843 assert(false); 1844 } 1845 } 1846GOTO_TARGET_END 1847 1848 1849 /* 1850 * Jump here when the code throws an exception. 1851 * 1852 * By the time we get here, the Throwable has been created and the stack 1853 * trace has been saved off. 1854 */ 1855GOTO_TARGET(exceptionThrown) 1856 { 1857 Object* exception; 1858 int catchRelPc; 1859 1860 /* 1861 * Since this is now an interpreter switch point, we must do it before 1862 * we do anything at all. 1863 */ 1864 PERIODIC_CHECKS(kInterpEntryThrow, 0); 1865 1866#if defined(WITH_JIT) 1867 // Something threw during trace selection - abort the current trace 1868 ABORT_JIT_TSELECT(); 1869#endif 1870 /* 1871 * We save off the exception and clear the exception status. While 1872 * processing the exception we might need to load some Throwable 1873 * classes, and we don't want class loader exceptions to get 1874 * confused with this one. 1875 */ 1876 assert(dvmCheckException(self)); 1877 exception = dvmGetException(self); 1878 dvmAddTrackedAlloc(exception, self); 1879 dvmClearException(self); 1880 1881 LOGV("Handling exception %s at %s:%d\n", 1882 exception->clazz->descriptor, curMethod->name, 1883 dvmLineNumFromPC(curMethod, pc - curMethod->insns)); 1884 1885#if (INTERP_TYPE == INTERP_DBG) 1886 /* 1887 * Tell the debugger about it. 1888 * 1889 * TODO: if the exception was thrown by interpreted code, control 1890 * fell through native, and then back to us, we will report the 1891 * exception at the point of the throw and again here. We can avoid 1892 * this by not reporting exceptions when we jump here directly from 1893 * the native call code above, but then we won't report exceptions 1894 * that were thrown *from* the JNI code (as opposed to *through* it). 1895 * 1896 * The correct solution is probably to ignore from-native exceptions 1897 * here, and have the JNI exception code do the reporting to the 1898 * debugger. 1899 */ 1900 if (gDvm.debuggerActive) { 1901 void* catchFrame; 1902 catchRelPc = dvmFindCatchBlock(self, pc - curMethod->insns, 1903 exception, true, &catchFrame); 1904 dvmDbgPostException(fp, pc - curMethod->insns, catchFrame, 1905 catchRelPc, exception); 1906 } 1907#endif 1908 1909 /* 1910 * We need to unroll to the catch block or the nearest "break" 1911 * frame. 1912 * 1913 * A break frame could indicate that we have reached an intermediate 1914 * native call, or have gone off the top of the stack and the thread 1915 * needs to exit. Either way, we return from here, leaving the 1916 * exception raised. 1917 * 1918 * If we do find a catch block, we want to transfer execution to 1919 * that point. 1920 * 1921 * Note this can cause an exception while resolving classes in 1922 * the "catch" blocks. 1923 */ 1924 catchRelPc = dvmFindCatchBlock(self, pc - curMethod->insns, 1925 exception, false, (void*)&fp); 1926 1927 /* 1928 * Restore the stack bounds after an overflow. This isn't going to 1929 * be correct in all circumstances, e.g. if JNI code devours the 1930 * exception this won't happen until some other exception gets 1931 * thrown. If the code keeps pushing the stack bounds we'll end 1932 * up aborting the VM. 1933 * 1934 * Note we want to do this *after* the call to dvmFindCatchBlock, 1935 * because that may need extra stack space to resolve exception 1936 * classes (e.g. through a class loader). 1937 * 1938 * It's possible for the stack overflow handling to cause an 1939 * exception (specifically, class resolution in a "catch" block 1940 * during the call above), so we could see the thread's overflow 1941 * flag raised but actually be running in a "nested" interpreter 1942 * frame. We don't allow doubled-up StackOverflowErrors, so 1943 * we can check for this by just looking at the exception type 1944 * in the cleanup function. Also, we won't unroll past the SOE 1945 * point because the more-recent exception will hit a break frame 1946 * as it unrolls to here. 1947 */ 1948 if (self->stackOverflowed) 1949 dvmCleanupStackOverflow(self, exception); 1950 1951 if (catchRelPc < 0) { 1952 /* falling through to JNI code or off the bottom of the stack */ 1953#if DVM_SHOW_EXCEPTION >= 2 1954 LOGD("Exception %s from %s:%d not caught locally\n", 1955 exception->clazz->descriptor, dvmGetMethodSourceFile(curMethod), 1956 dvmLineNumFromPC(curMethod, pc - curMethod->insns)); 1957#endif 1958 dvmSetException(self, exception); 1959 dvmReleaseTrackedAlloc(exception, self); 1960 GOTO_bail(); 1961 } 1962 1963#if DVM_SHOW_EXCEPTION >= 3 1964 { 1965 const Method* catchMethod = SAVEAREA_FROM_FP(fp)->method; 1966 LOGD("Exception %s thrown from %s:%d to %s:%d\n", 1967 exception->clazz->descriptor, dvmGetMethodSourceFile(curMethod), 1968 dvmLineNumFromPC(curMethod, pc - curMethod->insns), 1969 dvmGetMethodSourceFile(catchMethod), 1970 dvmLineNumFromPC(catchMethod, catchRelPc)); 1971 } 1972#endif 1973 1974 /* 1975 * Adjust local variables to match self->curFrame and the 1976 * updated PC. 1977 */ 1978 //fp = (u4*) self->curFrame; 1979 curMethod = SAVEAREA_FROM_FP(fp)->method; 1980 //methodClass = curMethod->clazz; 1981 methodClassDex = curMethod->clazz->pDvmDex; 1982 pc = curMethod->insns + catchRelPc; 1983 ILOGV("> pc <-- %s.%s %s", curMethod->clazz->descriptor, 1984 curMethod->name, curMethod->shorty); 1985 DUMP_REGS(curMethod, fp, false); // show all regs 1986 1987 /* 1988 * Restore the exception if the handler wants it. 1989 * 1990 * The Dalvik spec mandates that, if an exception handler wants to 1991 * do something with the exception, the first instruction executed 1992 * must be "move-exception". We can pass the exception along 1993 * through the thread struct, and let the move-exception instruction 1994 * clear it for us. 1995 * 1996 * If the handler doesn't call move-exception, we don't want to 1997 * finish here with an exception still pending. 1998 */ 1999 if (INST_INST(FETCH(0)) == OP_MOVE_EXCEPTION) 2000 dvmSetException(self, exception); 2001 2002 dvmReleaseTrackedAlloc(exception, self); 2003 FINISH(0); 2004 } 2005GOTO_TARGET_END 2006 2007 2008 2009 /* 2010 * General handling for invoke-{virtual,super,direct,static,interface}, 2011 * including "quick" variants. 2012 * 2013 * Set "methodToCall" to the Method we're calling, and "methodCallRange" 2014 * depending on whether this is a "/range" instruction. 2015 * 2016 * For a range call: 2017 * "vsrc1" holds the argument count (8 bits) 2018 * "vdst" holds the first argument in the range 2019 * For a non-range call: 2020 * "vsrc1" holds the argument count (4 bits) and the 5th argument index 2021 * "vdst" holds four 4-bit register indices 2022 * 2023 * The caller must EXPORT_PC before jumping here, because any method 2024 * call can throw a stack overflow exception. 2025 */ 2026GOTO_TARGET(invokeMethod, bool methodCallRange, const Method* _methodToCall, 2027 u2 count, u2 regs) 2028 { 2029 STUB_HACK(vsrc1 = count; vdst = regs; methodToCall = _methodToCall;); 2030 2031 //printf("range=%d call=%p count=%d regs=0x%04x\n", 2032 // methodCallRange, methodToCall, count, regs); 2033 //printf(" --> %s.%s %s\n", methodToCall->clazz->descriptor, 2034 // methodToCall->name, methodToCall->shorty); 2035 2036 u4* outs; 2037 int i; 2038 2039 /* 2040 * Copy args. This may corrupt vsrc1/vdst. 2041 */ 2042 if (methodCallRange) { 2043 // could use memcpy or a "Duff's device"; most functions have 2044 // so few args it won't matter much 2045 assert(vsrc1 <= curMethod->outsSize); 2046 assert(vsrc1 == methodToCall->insSize); 2047 outs = OUTS_FROM_FP(fp, vsrc1); 2048 for (i = 0; i < vsrc1; i++) 2049 outs[i] = GET_REGISTER(vdst+i); 2050 } else { 2051 u4 count = vsrc1 >> 4; 2052 2053 assert(count <= curMethod->outsSize); 2054 assert(count == methodToCall->insSize); 2055 assert(count <= 5); 2056 2057 outs = OUTS_FROM_FP(fp, count); 2058#if 0 2059 if (count == 5) { 2060 outs[4] = GET_REGISTER(vsrc1 & 0x0f); 2061 count--; 2062 } 2063 for (i = 0; i < (int) count; i++) { 2064 outs[i] = GET_REGISTER(vdst & 0x0f); 2065 vdst >>= 4; 2066 } 2067#else 2068 // This version executes fewer instructions but is larger 2069 // overall. Seems to be a teensy bit faster. 2070 assert((vdst >> 16) == 0); // 16 bits -or- high 16 bits clear 2071 switch (count) { 2072 case 5: 2073 outs[4] = GET_REGISTER(vsrc1 & 0x0f); 2074 case 4: 2075 outs[3] = GET_REGISTER(vdst >> 12); 2076 case 3: 2077 outs[2] = GET_REGISTER((vdst & 0x0f00) >> 8); 2078 case 2: 2079 outs[1] = GET_REGISTER((vdst & 0x00f0) >> 4); 2080 case 1: 2081 outs[0] = GET_REGISTER(vdst & 0x0f); 2082 default: 2083 ; 2084 } 2085#endif 2086 } 2087 } 2088 2089 /* 2090 * (This was originally a "goto" target; I've kept it separate from the 2091 * stuff above in case we want to refactor things again.) 2092 * 2093 * At this point, we have the arguments stored in the "outs" area of 2094 * the current method's stack frame, and the method to call in 2095 * "methodToCall". Push a new stack frame. 2096 */ 2097 { 2098 StackSaveArea* newSaveArea; 2099 u4* newFp; 2100 2101 ILOGV("> %s%s.%s %s", 2102 dvmIsNativeMethod(methodToCall) ? "(NATIVE) " : "", 2103 methodToCall->clazz->descriptor, methodToCall->name, 2104 methodToCall->shorty); 2105 2106 newFp = (u4*) SAVEAREA_FROM_FP(fp) - methodToCall->registersSize; 2107 newSaveArea = SAVEAREA_FROM_FP(newFp); 2108 2109 /* verify that we have enough space */ 2110 if (true) { 2111 u1* bottom; 2112 bottom = (u1*) newSaveArea - methodToCall->outsSize * sizeof(u4); 2113 if (bottom < self->interpStackEnd) { 2114 /* stack overflow */ 2115 LOGV("Stack overflow on method call (start=%p end=%p newBot=%p(%d) size=%d '%s')\n", 2116 self->interpStackStart, self->interpStackEnd, bottom, 2117 (u1*) fp - bottom, self->interpStackSize, 2118 methodToCall->name); 2119 dvmHandleStackOverflow(self, methodToCall); 2120 assert(dvmCheckException(self)); 2121 GOTO_exceptionThrown(); 2122 } 2123 //LOGD("+++ fp=%p newFp=%p newSave=%p bottom=%p\n", 2124 // fp, newFp, newSaveArea, bottom); 2125 } 2126 2127#ifdef LOG_INSTR 2128 if (methodToCall->registersSize > methodToCall->insSize) { 2129 /* 2130 * This makes valgrind quiet when we print registers that 2131 * haven't been initialized. Turn it off when the debug 2132 * messages are disabled -- we want valgrind to report any 2133 * used-before-initialized issues. 2134 */ 2135 memset(newFp, 0xcc, 2136 (methodToCall->registersSize - methodToCall->insSize) * 4); 2137 } 2138#endif 2139 2140#ifdef EASY_GDB 2141 newSaveArea->prevSave = SAVEAREA_FROM_FP(fp); 2142#endif 2143 newSaveArea->prevFrame = fp; 2144 newSaveArea->savedPc = pc; 2145#if defined(WITH_JIT) 2146 newSaveArea->returnAddr = 0; 2147#endif 2148 newSaveArea->method = methodToCall; 2149 2150 if (!dvmIsNativeMethod(methodToCall)) { 2151 /* 2152 * "Call" interpreted code. Reposition the PC, update the 2153 * frame pointer and other local state, and continue. 2154 */ 2155 curMethod = methodToCall; 2156 methodClassDex = curMethod->clazz->pDvmDex; 2157 pc = methodToCall->insns; 2158 fp = self->curFrame = newFp; 2159#ifdef EASY_GDB 2160 debugSaveArea = SAVEAREA_FROM_FP(newFp); 2161#endif 2162#if INTERP_TYPE == INTERP_DBG 2163 debugIsMethodEntry = true; // profiling, debugging 2164#endif 2165 ILOGD("> pc <-- %s.%s %s", curMethod->clazz->descriptor, 2166 curMethod->name, curMethod->shorty); 2167 DUMP_REGS(curMethod, fp, true); // show input args 2168 FINISH(0); // jump to method start 2169 } else { 2170 /* set this up for JNI locals, even if not a JNI native */ 2171#ifdef USE_INDIRECT_REF 2172 newSaveArea->xtra.localRefCookie = self->jniLocalRefTable.segmentState.all; 2173#else 2174 newSaveArea->xtra.localRefCookie = self->jniLocalRefTable.nextEntry; 2175#endif 2176 2177 self->curFrame = newFp; 2178 2179 DUMP_REGS(methodToCall, newFp, true); // show input args 2180 2181#if (INTERP_TYPE == INTERP_DBG) 2182 if (gDvm.debuggerActive) { 2183 dvmDbgPostLocationEvent(methodToCall, -1, 2184 dvmGetThisPtr(curMethod, fp), DBG_METHOD_ENTRY); 2185 } 2186#endif 2187#if (INTERP_TYPE == INTERP_DBG) 2188 TRACE_METHOD_ENTER(self, methodToCall); 2189#endif 2190 2191 { 2192 ILOGD("> native <-- %s.%s %s", methodToCall->clazz->descriptor, 2193 methodToCall->name, methodToCall->shorty); 2194 } 2195 2196#if defined(WITH_JIT) 2197 /* Allow the Jit to end any pending trace building */ 2198 CHECK_JIT_VOID(); 2199#endif 2200 2201 /* 2202 * Jump through native call bridge. Because we leave no 2203 * space for locals on native calls, "newFp" points directly 2204 * to the method arguments. 2205 */ 2206 (*methodToCall->nativeFunc)(newFp, &retval, methodToCall, self); 2207 2208#if (INTERP_TYPE == INTERP_DBG) 2209 if (gDvm.debuggerActive) { 2210 dvmDbgPostLocationEvent(methodToCall, -1, 2211 dvmGetThisPtr(curMethod, fp), DBG_METHOD_EXIT); 2212 } 2213#endif 2214#if (INTERP_TYPE == INTERP_DBG) 2215 TRACE_METHOD_EXIT(self, methodToCall); 2216#endif 2217 2218 /* pop frame off */ 2219 dvmPopJniLocals(self, newSaveArea); 2220 self->curFrame = fp; 2221 2222 /* 2223 * If the native code threw an exception, or interpreted code 2224 * invoked by the native call threw one and nobody has cleared 2225 * it, jump to our local exception handling. 2226 */ 2227 if (dvmCheckException(self)) { 2228 LOGV("Exception thrown by/below native code\n"); 2229 GOTO_exceptionThrown(); 2230 } 2231 2232 ILOGD("> retval=0x%llx (leaving native)", retval.j); 2233 ILOGD("> (return from native %s.%s to %s.%s %s)", 2234 methodToCall->clazz->descriptor, methodToCall->name, 2235 curMethod->clazz->descriptor, curMethod->name, 2236 curMethod->shorty); 2237 2238 //u2 invokeInstr = INST_INST(FETCH(0)); 2239 if (true /*invokeInstr >= OP_INVOKE_VIRTUAL && 2240 invokeInstr <= OP_INVOKE_INTERFACE*/) 2241 { 2242 FINISH(3); 2243 } else { 2244 //LOGE("Unknown invoke instr %02x at %d\n", 2245 // invokeInstr, (int) (pc - curMethod->insns)); 2246 assert(false); 2247 } 2248 } 2249 } 2250 assert(false); // should not get here 2251GOTO_TARGET_END 2252 2253/* File: cstubs/enddefs.c */ 2254 2255/* undefine "magic" name remapping */ 2256#undef retval 2257#undef pc 2258#undef fp 2259#undef curMethod 2260#undef methodClassDex 2261#undef self 2262#undef debugTrackedRefStart 2263 2264