InterpC-armv5te-vfp.cpp revision cd8f5e701547739f241594b43e9470c92d98e9cf
1/* 2 * This file was generated automatically by gen-mterp.py for 'armv5te-vfp'. 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 * Keep a tally of accesses to fields. Currently only works if full DEX 78 * optimization is disabled. 79 */ 80#ifdef PROFILE_FIELD_ACCESS 81# define UPDATE_FIELD_GET(_field) { (_field)->gets++; } 82# define UPDATE_FIELD_PUT(_field) { (_field)->puts++; } 83#else 84# define UPDATE_FIELD_GET(_field) ((void)0) 85# define UPDATE_FIELD_PUT(_field) ((void)0) 86#endif 87 88/* 89 * Export another copy of the PC on every instruction; this is largely 90 * redundant with EXPORT_PC and the debugger code. This value can be 91 * compared against what we have stored on the stack with EXPORT_PC to 92 * help ensure that we aren't missing any export calls. 93 */ 94#if WITH_EXTRA_GC_CHECKS > 1 95# define EXPORT_EXTRA_PC() (self->currentPc2 = pc) 96#else 97# define EXPORT_EXTRA_PC() 98#endif 99 100/* 101 * Adjust the program counter. "_offset" is a signed int, in 16-bit units. 102 * 103 * Assumes the existence of "const u2* pc" and "const u2* curMethod->insns". 104 * 105 * We don't advance the program counter until we finish an instruction or 106 * branch, because we do want to have to unroll the PC if there's an 107 * exception. 108 */ 109#ifdef CHECK_BRANCH_OFFSETS 110# define ADJUST_PC(_offset) do { \ 111 int myoff = _offset; /* deref only once */ \ 112 if (pc + myoff < curMethod->insns || \ 113 pc + myoff >= curMethod->insns + dvmGetMethodInsnsSize(curMethod)) \ 114 { \ 115 char* desc; \ 116 desc = dexProtoCopyMethodDescriptor(&curMethod->prototype); \ 117 LOGE("Invalid branch %d at 0x%04x in %s.%s %s\n", \ 118 myoff, (int) (pc - curMethod->insns), \ 119 curMethod->clazz->descriptor, curMethod->name, desc); \ 120 free(desc); \ 121 dvmAbort(); \ 122 } \ 123 pc += myoff; \ 124 EXPORT_EXTRA_PC(); \ 125 } while (false) 126#else 127# define ADJUST_PC(_offset) do { \ 128 pc += _offset; \ 129 EXPORT_EXTRA_PC(); \ 130 } while (false) 131#endif 132 133/* 134 * If enabled, log instructions as we execute them. 135 */ 136#ifdef LOG_INSTR 137# define ILOGD(...) ILOG(LOG_DEBUG, __VA_ARGS__) 138# define ILOGV(...) ILOG(LOG_VERBOSE, __VA_ARGS__) 139# define ILOG(_level, ...) do { \ 140 char debugStrBuf[128]; \ 141 snprintf(debugStrBuf, sizeof(debugStrBuf), __VA_ARGS__); \ 142 if (curMethod != NULL) \ 143 LOG(_level, LOG_TAG"i", "%-2d|%04x%s\n", \ 144 self->threadId, (int)(pc - curMethod->insns), debugStrBuf); \ 145 else \ 146 LOG(_level, LOG_TAG"i", "%-2d|####%s\n", \ 147 self->threadId, debugStrBuf); \ 148 } while(false) 149void dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly); 150# define DUMP_REGS(_meth, _frame, _inOnly) dvmDumpRegs(_meth, _frame, _inOnly) 151static const char kSpacing[] = " "; 152#else 153# define ILOGD(...) ((void)0) 154# define ILOGV(...) ((void)0) 155# define DUMP_REGS(_meth, _frame, _inOnly) ((void)0) 156#endif 157 158/* get a long from an array of u4 */ 159static inline s8 getLongFromArray(const u4* ptr, int idx) 160{ 161#if defined(NO_UNALIGN_64__UNION) 162 union { s8 ll; u4 parts[2]; } conv; 163 164 ptr += idx; 165 conv.parts[0] = ptr[0]; 166 conv.parts[1] = ptr[1]; 167 return conv.ll; 168#else 169 s8 val; 170 memcpy(&val, &ptr[idx], 8); 171 return val; 172#endif 173} 174 175/* store a long into an array of u4 */ 176static inline void putLongToArray(u4* ptr, int idx, s8 val) 177{ 178#if defined(NO_UNALIGN_64__UNION) 179 union { s8 ll; u4 parts[2]; } conv; 180 181 ptr += idx; 182 conv.ll = val; 183 ptr[0] = conv.parts[0]; 184 ptr[1] = conv.parts[1]; 185#else 186 memcpy(&ptr[idx], &val, 8); 187#endif 188} 189 190/* get a double from an array of u4 */ 191static inline double getDoubleFromArray(const u4* ptr, int idx) 192{ 193#if defined(NO_UNALIGN_64__UNION) 194 union { double d; u4 parts[2]; } conv; 195 196 ptr += idx; 197 conv.parts[0] = ptr[0]; 198 conv.parts[1] = ptr[1]; 199 return conv.d; 200#else 201 double dval; 202 memcpy(&dval, &ptr[idx], 8); 203 return dval; 204#endif 205} 206 207/* store a double into an array of u4 */ 208static inline void putDoubleToArray(u4* ptr, int idx, double dval) 209{ 210#if defined(NO_UNALIGN_64__UNION) 211 union { double d; u4 parts[2]; } conv; 212 213 ptr += idx; 214 conv.d = dval; 215 ptr[0] = conv.parts[0]; 216 ptr[1] = conv.parts[1]; 217#else 218 memcpy(&ptr[idx], &dval, 8); 219#endif 220} 221 222/* 223 * If enabled, validate the register number on every access. Otherwise, 224 * just do an array access. 225 * 226 * Assumes the existence of "u4* fp". 227 * 228 * "_idx" may be referenced more than once. 229 */ 230#ifdef CHECK_REGISTER_INDICES 231# define GET_REGISTER(_idx) \ 232 ( (_idx) < curMethod->registersSize ? \ 233 (fp[(_idx)]) : (assert(!"bad reg"),1969) ) 234# define SET_REGISTER(_idx, _val) \ 235 ( (_idx) < curMethod->registersSize ? \ 236 (fp[(_idx)] = (u4)(_val)) : (assert(!"bad reg"),1969) ) 237# define GET_REGISTER_AS_OBJECT(_idx) ((Object *)GET_REGISTER(_idx)) 238# define SET_REGISTER_AS_OBJECT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 239# define GET_REGISTER_INT(_idx) ((s4) GET_REGISTER(_idx)) 240# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 241# define GET_REGISTER_WIDE(_idx) \ 242 ( (_idx) < curMethod->registersSize-1 ? \ 243 getLongFromArray(fp, (_idx)) : (assert(!"bad reg"),1969) ) 244# define SET_REGISTER_WIDE(_idx, _val) \ 245 ( (_idx) < curMethod->registersSize-1 ? \ 246 putLongToArray(fp, (_idx), (_val)) : (assert(!"bad reg"),1969) ) 247# define GET_REGISTER_FLOAT(_idx) \ 248 ( (_idx) < curMethod->registersSize ? \ 249 (*((float*) &fp[(_idx)])) : (assert(!"bad reg"),1969.0f) ) 250# define SET_REGISTER_FLOAT(_idx, _val) \ 251 ( (_idx) < curMethod->registersSize ? \ 252 (*((float*) &fp[(_idx)]) = (_val)) : (assert(!"bad reg"),1969.0f) ) 253# define GET_REGISTER_DOUBLE(_idx) \ 254 ( (_idx) < curMethod->registersSize-1 ? \ 255 getDoubleFromArray(fp, (_idx)) : (assert(!"bad reg"),1969.0) ) 256# define SET_REGISTER_DOUBLE(_idx, _val) \ 257 ( (_idx) < curMethod->registersSize-1 ? \ 258 putDoubleToArray(fp, (_idx), (_val)) : (assert(!"bad reg"),1969.0) ) 259#else 260# define GET_REGISTER(_idx) (fp[(_idx)]) 261# define SET_REGISTER(_idx, _val) (fp[(_idx)] = (_val)) 262# define GET_REGISTER_AS_OBJECT(_idx) ((Object*) fp[(_idx)]) 263# define SET_REGISTER_AS_OBJECT(_idx, _val) (fp[(_idx)] = (u4)(_val)) 264# define GET_REGISTER_INT(_idx) ((s4)GET_REGISTER(_idx)) 265# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) 266# define GET_REGISTER_WIDE(_idx) getLongFromArray(fp, (_idx)) 267# define SET_REGISTER_WIDE(_idx, _val) putLongToArray(fp, (_idx), (_val)) 268# define GET_REGISTER_FLOAT(_idx) (*((float*) &fp[(_idx)])) 269# define SET_REGISTER_FLOAT(_idx, _val) (*((float*) &fp[(_idx)]) = (_val)) 270# define GET_REGISTER_DOUBLE(_idx) getDoubleFromArray(fp, (_idx)) 271# define SET_REGISTER_DOUBLE(_idx, _val) putDoubleToArray(fp, (_idx), (_val)) 272#endif 273 274/* 275 * Get 16 bits from the specified offset of the program counter. We always 276 * want to load 16 bits at a time from the instruction stream -- it's more 277 * efficient than 8 and won't have the alignment problems that 32 might. 278 * 279 * Assumes existence of "const u2* pc". 280 */ 281#define FETCH(_offset) (pc[(_offset)]) 282 283/* 284 * Extract instruction byte from 16-bit fetch (_inst is a u2). 285 */ 286#define INST_INST(_inst) ((_inst) & 0xff) 287 288/* 289 * Replace the opcode (used when handling breakpoints). _opcode is a u1. 290 */ 291#define INST_REPLACE_OP(_inst, _opcode) (((_inst) & 0xff00) | _opcode) 292 293/* 294 * Extract the "vA, vB" 4-bit registers from the instruction word (_inst is u2). 295 */ 296#define INST_A(_inst) (((_inst) >> 8) & 0x0f) 297#define INST_B(_inst) ((_inst) >> 12) 298 299/* 300 * Get the 8-bit "vAA" 8-bit register index from the instruction word. 301 * (_inst is u2) 302 */ 303#define INST_AA(_inst) ((_inst) >> 8) 304 305/* 306 * The current PC must be available to Throwable constructors, e.g. 307 * those created by the various exception throw routines, so that the 308 * exception stack trace can be generated correctly. If we don't do this, 309 * the offset within the current method won't be shown correctly. See the 310 * notes in Exception.c. 311 * 312 * This is also used to determine the address for precise GC. 313 * 314 * Assumes existence of "u4* fp" and "const u2* pc". 315 */ 316#define EXPORT_PC() (SAVEAREA_FROM_FP(fp)->xtra.currentPc = pc) 317 318/* 319 * Check to see if "obj" is NULL. If so, throw an exception. Assumes the 320 * pc has already been exported to the stack. 321 * 322 * Perform additional checks on debug builds. 323 * 324 * Use this to check for NULL when the instruction handler calls into 325 * something that could throw an exception (so we have already called 326 * EXPORT_PC at the top). 327 */ 328static inline bool checkForNull(Object* obj) 329{ 330 if (obj == NULL) { 331 dvmThrowNullPointerException(NULL); 332 return false; 333 } 334#ifdef WITH_EXTRA_OBJECT_VALIDATION 335 if (!dvmIsValidObject(obj)) { 336 LOGE("Invalid object %p\n", obj); 337 dvmAbort(); 338 } 339#endif 340#ifndef NDEBUG 341 if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { 342 /* probable heap corruption */ 343 LOGE("Invalid object class %p (in %p)\n", obj->clazz, obj); 344 dvmAbort(); 345 } 346#endif 347 return true; 348} 349 350/* 351 * Check to see if "obj" is NULL. If so, export the PC into the stack 352 * frame and throw an exception. 353 * 354 * Perform additional checks on debug builds. 355 * 356 * Use this to check for NULL when the instruction handler doesn't do 357 * anything else that can throw an exception. 358 */ 359static inline bool checkForNullExportPC(Object* obj, u4* fp, const u2* pc) 360{ 361 if (obj == NULL) { 362 EXPORT_PC(); 363 dvmThrowNullPointerException(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/* File: cstubs/stubdefs.cpp */ 383/* 384 * In the C mterp stubs, "goto" is a function call followed immediately 385 * by a return. 386 */ 387 388#define GOTO_TARGET_DECL(_target, ...) \ 389 extern "C" void dvmMterp_##_target(Thread* self, ## __VA_ARGS__); 390 391/* (void)xxx to quiet unused variable compiler warnings. */ 392#define GOTO_TARGET(_target, ...) \ 393 void dvmMterp_##_target(Thread* self, ## __VA_ARGS__) { \ 394 u2 ref, vsrc1, vsrc2, vdst; \ 395 u2 inst = FETCH(0); \ 396 const Method* methodToCall; \ 397 StackSaveArea* debugSaveArea; \ 398 (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; \ 399 (void)methodToCall; (void)debugSaveArea; 400 401#define GOTO_TARGET_END } 402 403/* 404 * Redefine what used to be local variable accesses into Thread struct 405 * references. (These are undefined down in "footer.c".) 406 */ 407#define retval self->retval 408#define pc self->interpSave.pc 409#define fp self->interpSave.fp 410#define curMethod self->interpSave.method 411#define methodClassDex self->interpSave.methodClassDex 412#define debugTrackedRefStart self->interpSave.debugTrackedRefStart 413 414/* ugh */ 415#define STUB_HACK(x) x 416#if defined(WITH_JIT) 417#define JIT_STUB_HACK(x) x 418#else 419#define JIT_STUB_HACK(x) 420#endif 421 422/* 423 * InterpSave's pc and fp must be valid when breaking out to a 424 * "Reportxxx" routine. Because the portable interpreter uses local 425 * variables for these, we must flush prior. Stubs, however, use 426 * the interpSave vars directly, so this is a nop for stubs. 427 */ 428#define PC_FP_TO_SELF() 429 430/* 431 * Opcode handler framing macros. Here, each opcode is a separate function 432 * that takes a "self" argument and returns void. We can't declare 433 * these "static" because they may be called from an assembly stub. 434 * (void)xxx to quiet unused variable compiler warnings. 435 */ 436#define HANDLE_OPCODE(_op) \ 437 extern "C" void dvmMterp_##_op(Thread* self); \ 438 void dvmMterp_##_op(Thread* self) { \ 439 u4 ref; \ 440 u2 vsrc1, vsrc2, vdst; \ 441 u2 inst = FETCH(0); \ 442 (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; 443 444#define OP_END } 445 446/* 447 * Like the "portable" FINISH, but don't reload "inst", and return to caller 448 * when done. Further, debugger/profiler checks are handled 449 * before handler execution in mterp, so we don't do them here either. 450 */ 451#if defined(WITH_JIT) 452#define FINISH(_offset) { \ 453 ADJUST_PC(_offset); \ 454 if (self->interpBreak.ctl.subMode & kSubModeJitTraceBuild) { \ 455 dvmCheckJit(pc, self); \ 456 } \ 457 return; \ 458 } 459#else 460#define FINISH(_offset) { \ 461 ADJUST_PC(_offset); \ 462 return; \ 463 } 464#endif 465 466 467/* 468 * The "goto label" statements turn into function calls followed by 469 * return statements. Some of the functions take arguments, which in the 470 * portable interpreter are handled by assigning values to globals. 471 */ 472 473#define GOTO_exceptionThrown() \ 474 do { \ 475 dvmMterp_exceptionThrown(self); \ 476 return; \ 477 } while(false) 478 479#define GOTO_returnFromMethod() \ 480 do { \ 481 dvmMterp_returnFromMethod(self); \ 482 return; \ 483 } while(false) 484 485#define GOTO_invoke(_target, _methodCallRange, _jumboFormat) \ 486 do { \ 487 dvmMterp_##_target(self, _methodCallRange, _jumboFormat); \ 488 return; \ 489 } while(false) 490 491#define GOTO_invokeMethod(_methodCallRange, _methodToCall, _vsrc1, _vdst) \ 492 do { \ 493 dvmMterp_invokeMethod(self, _methodCallRange, _methodToCall, \ 494 _vsrc1, _vdst); \ 495 return; \ 496 } while(false) 497 498/* 499 * As a special case, "goto bail" turns into a longjmp. 500 */ 501#define GOTO_bail() \ 502 dvmMterpStdBail(self, false); 503 504/* 505 * Periodically check for thread suspension. 506 * 507 * While we're at it, see if a debugger has attached or the profiler has 508 * started. 509 */ 510#define PERIODIC_CHECKS(_pcadj) { \ 511 if (dvmCheckSuspendQuick(self)) { \ 512 EXPORT_PC(); /* need for precise GC */ \ 513 dvmCheckSuspendPending(self); \ 514 } \ 515 } 516 517/* File: c/opcommon.cpp */ 518/* forward declarations of goto targets */ 519GOTO_TARGET_DECL(filledNewArray, bool methodCallRange, bool jumboFormat); 520GOTO_TARGET_DECL(invokeVirtual, bool methodCallRange, bool jumboFormat); 521GOTO_TARGET_DECL(invokeSuper, bool methodCallRange, bool jumboFormat); 522GOTO_TARGET_DECL(invokeInterface, bool methodCallRange, bool jumboFormat); 523GOTO_TARGET_DECL(invokeDirect, bool methodCallRange, bool jumboFormat); 524GOTO_TARGET_DECL(invokeStatic, bool methodCallRange, bool jumboFormat); 525GOTO_TARGET_DECL(invokeVirtualQuick, bool methodCallRange, bool jumboFormat); 526GOTO_TARGET_DECL(invokeSuperQuick, bool methodCallRange, bool jumboFormat); 527GOTO_TARGET_DECL(invokeMethod, bool methodCallRange, const Method* methodToCall, 528 u2 count, u2 regs); 529GOTO_TARGET_DECL(returnFromMethod); 530GOTO_TARGET_DECL(exceptionThrown); 531 532/* 533 * =========================================================================== 534 * 535 * What follows are opcode definitions shared between multiple opcodes with 536 * minor substitutions handled by the C pre-processor. These should probably 537 * use the mterp substitution mechanism instead, with the code here moved 538 * into common fragment files (like the asm "binop.S"), although it's hard 539 * to give up the C preprocessor in favor of the much simpler text subst. 540 * 541 * =========================================================================== 542 */ 543 544#define HANDLE_NUMCONV(_opcode, _opname, _fromtype, _totype) \ 545 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 546 vdst = INST_A(inst); \ 547 vsrc1 = INST_B(inst); \ 548 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 549 SET_REGISTER##_totype(vdst, \ 550 GET_REGISTER##_fromtype(vsrc1)); \ 551 FINISH(1); 552 553#define HANDLE_FLOAT_TO_INT(_opcode, _opname, _fromvtype, _fromrtype, \ 554 _tovtype, _tortype) \ 555 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 556 { \ 557 /* spec defines specific handling for +/- inf and NaN values */ \ 558 _fromvtype val; \ 559 _tovtype intMin, intMax, result; \ 560 vdst = INST_A(inst); \ 561 vsrc1 = INST_B(inst); \ 562 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 563 val = GET_REGISTER##_fromrtype(vsrc1); \ 564 intMin = (_tovtype) 1 << (sizeof(_tovtype) * 8 -1); \ 565 intMax = ~intMin; \ 566 result = (_tovtype) val; \ 567 if (val >= intMax) /* +inf */ \ 568 result = intMax; \ 569 else if (val <= intMin) /* -inf */ \ 570 result = intMin; \ 571 else if (val != val) /* NaN */ \ 572 result = 0; \ 573 else \ 574 result = (_tovtype) val; \ 575 SET_REGISTER##_tortype(vdst, result); \ 576 } \ 577 FINISH(1); 578 579#define HANDLE_INT_TO_SMALL(_opcode, _opname, _type) \ 580 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 581 vdst = INST_A(inst); \ 582 vsrc1 = INST_B(inst); \ 583 ILOGV("|int-to-%s v%d,v%d", (_opname), vdst, vsrc1); \ 584 SET_REGISTER(vdst, (_type) GET_REGISTER(vsrc1)); \ 585 FINISH(1); 586 587/* NOTE: the comparison result is always a signed 4-byte integer */ 588#define HANDLE_OP_CMPX(_opcode, _opname, _varType, _type, _nanVal) \ 589 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 590 { \ 591 int result; \ 592 u2 regs; \ 593 _varType val1, val2; \ 594 vdst = INST_AA(inst); \ 595 regs = FETCH(1); \ 596 vsrc1 = regs & 0xff; \ 597 vsrc2 = regs >> 8; \ 598 ILOGV("|cmp%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 599 val1 = GET_REGISTER##_type(vsrc1); \ 600 val2 = GET_REGISTER##_type(vsrc2); \ 601 if (val1 == val2) \ 602 result = 0; \ 603 else if (val1 < val2) \ 604 result = -1; \ 605 else if (val1 > val2) \ 606 result = 1; \ 607 else \ 608 result = (_nanVal); \ 609 ILOGV("+ result=%d\n", result); \ 610 SET_REGISTER(vdst, result); \ 611 } \ 612 FINISH(2); 613 614#define HANDLE_OP_IF_XX(_opcode, _opname, _cmp) \ 615 HANDLE_OPCODE(_opcode /*vA, vB, +CCCC*/) \ 616 vsrc1 = INST_A(inst); \ 617 vsrc2 = INST_B(inst); \ 618 if ((s4) GET_REGISTER(vsrc1) _cmp (s4) GET_REGISTER(vsrc2)) { \ 619 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 620 ILOGV("|if-%s v%d,v%d,+0x%04x", (_opname), vsrc1, vsrc2, \ 621 branchOffset); \ 622 ILOGV("> branch taken"); \ 623 if (branchOffset < 0) \ 624 PERIODIC_CHECKS(branchOffset); \ 625 FINISH(branchOffset); \ 626 } else { \ 627 ILOGV("|if-%s v%d,v%d,-", (_opname), vsrc1, vsrc2); \ 628 FINISH(2); \ 629 } 630 631#define HANDLE_OP_IF_XXZ(_opcode, _opname, _cmp) \ 632 HANDLE_OPCODE(_opcode /*vAA, +BBBB*/) \ 633 vsrc1 = INST_AA(inst); \ 634 if ((s4) GET_REGISTER(vsrc1) _cmp 0) { \ 635 int branchOffset = (s2)FETCH(1); /* sign-extended */ \ 636 ILOGV("|if-%s v%d,+0x%04x", (_opname), vsrc1, branchOffset); \ 637 ILOGV("> branch taken"); \ 638 if (branchOffset < 0) \ 639 PERIODIC_CHECKS(branchOffset); \ 640 FINISH(branchOffset); \ 641 } else { \ 642 ILOGV("|if-%s v%d,-", (_opname), vsrc1); \ 643 FINISH(2); \ 644 } 645 646#define HANDLE_UNOP(_opcode, _opname, _pfx, _sfx, _type) \ 647 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 648 vdst = INST_A(inst); \ 649 vsrc1 = INST_B(inst); \ 650 ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ 651 SET_REGISTER##_type(vdst, _pfx GET_REGISTER##_type(vsrc1) _sfx); \ 652 FINISH(1); 653 654#define HANDLE_OP_X_INT(_opcode, _opname, _op, _chkdiv) \ 655 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 656 { \ 657 u2 srcRegs; \ 658 vdst = INST_AA(inst); \ 659 srcRegs = FETCH(1); \ 660 vsrc1 = srcRegs & 0xff; \ 661 vsrc2 = srcRegs >> 8; \ 662 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 663 if (_chkdiv != 0) { \ 664 s4 firstVal, secondVal, result; \ 665 firstVal = GET_REGISTER(vsrc1); \ 666 secondVal = GET_REGISTER(vsrc2); \ 667 if (secondVal == 0) { \ 668 EXPORT_PC(); \ 669 dvmThrowArithmeticException("divide by zero"); \ 670 GOTO_exceptionThrown(); \ 671 } \ 672 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 673 if (_chkdiv == 1) \ 674 result = firstVal; /* division */ \ 675 else \ 676 result = 0; /* remainder */ \ 677 } else { \ 678 result = firstVal _op secondVal; \ 679 } \ 680 SET_REGISTER(vdst, result); \ 681 } else { \ 682 /* non-div/rem case */ \ 683 SET_REGISTER(vdst, \ 684 (s4) GET_REGISTER(vsrc1) _op (s4) GET_REGISTER(vsrc2)); \ 685 } \ 686 } \ 687 FINISH(2); 688 689#define HANDLE_OP_SHX_INT(_opcode, _opname, _cast, _op) \ 690 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 691 { \ 692 u2 srcRegs; \ 693 vdst = INST_AA(inst); \ 694 srcRegs = FETCH(1); \ 695 vsrc1 = srcRegs & 0xff; \ 696 vsrc2 = srcRegs >> 8; \ 697 ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ 698 SET_REGISTER(vdst, \ 699 _cast GET_REGISTER(vsrc1) _op (GET_REGISTER(vsrc2) & 0x1f)); \ 700 } \ 701 FINISH(2); 702 703#define HANDLE_OP_X_INT_LIT16(_opcode, _opname, _op, _chkdiv) \ 704 HANDLE_OPCODE(_opcode /*vA, vB, #+CCCC*/) \ 705 vdst = INST_A(inst); \ 706 vsrc1 = INST_B(inst); \ 707 vsrc2 = FETCH(1); \ 708 ILOGV("|%s-int/lit16 v%d,v%d,#+0x%04x", \ 709 (_opname), vdst, vsrc1, vsrc2); \ 710 if (_chkdiv != 0) { \ 711 s4 firstVal, result; \ 712 firstVal = GET_REGISTER(vsrc1); \ 713 if ((s2) vsrc2 == 0) { \ 714 EXPORT_PC(); \ 715 dvmThrowArithmeticException("divide by zero"); \ 716 GOTO_exceptionThrown(); \ 717 } \ 718 if ((u4)firstVal == 0x80000000 && ((s2) vsrc2) == -1) { \ 719 /* won't generate /lit16 instr for this; check anyway */ \ 720 if (_chkdiv == 1) \ 721 result = firstVal; /* division */ \ 722 else \ 723 result = 0; /* remainder */ \ 724 } else { \ 725 result = firstVal _op (s2) vsrc2; \ 726 } \ 727 SET_REGISTER(vdst, result); \ 728 } else { \ 729 /* non-div/rem case */ \ 730 SET_REGISTER(vdst, GET_REGISTER(vsrc1) _op (s2) vsrc2); \ 731 } \ 732 FINISH(2); 733 734#define HANDLE_OP_X_INT_LIT8(_opcode, _opname, _op, _chkdiv) \ 735 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 736 { \ 737 u2 litInfo; \ 738 vdst = INST_AA(inst); \ 739 litInfo = FETCH(1); \ 740 vsrc1 = litInfo & 0xff; \ 741 vsrc2 = litInfo >> 8; /* constant */ \ 742 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 743 (_opname), vdst, vsrc1, vsrc2); \ 744 if (_chkdiv != 0) { \ 745 s4 firstVal, result; \ 746 firstVal = GET_REGISTER(vsrc1); \ 747 if ((s1) vsrc2 == 0) { \ 748 EXPORT_PC(); \ 749 dvmThrowArithmeticException("divide by zero"); \ 750 GOTO_exceptionThrown(); \ 751 } \ 752 if ((u4)firstVal == 0x80000000 && ((s1) vsrc2) == -1) { \ 753 if (_chkdiv == 1) \ 754 result = firstVal; /* division */ \ 755 else \ 756 result = 0; /* remainder */ \ 757 } else { \ 758 result = firstVal _op ((s1) vsrc2); \ 759 } \ 760 SET_REGISTER(vdst, result); \ 761 } else { \ 762 SET_REGISTER(vdst, \ 763 (s4) GET_REGISTER(vsrc1) _op (s1) vsrc2); \ 764 } \ 765 } \ 766 FINISH(2); 767 768#define HANDLE_OP_SHX_INT_LIT8(_opcode, _opname, _cast, _op) \ 769 HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ 770 { \ 771 u2 litInfo; \ 772 vdst = INST_AA(inst); \ 773 litInfo = FETCH(1); \ 774 vsrc1 = litInfo & 0xff; \ 775 vsrc2 = litInfo >> 8; /* constant */ \ 776 ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ 777 (_opname), vdst, vsrc1, vsrc2); \ 778 SET_REGISTER(vdst, \ 779 _cast GET_REGISTER(vsrc1) _op (vsrc2 & 0x1f)); \ 780 } \ 781 FINISH(2); 782 783#define HANDLE_OP_X_INT_2ADDR(_opcode, _opname, _op, _chkdiv) \ 784 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 785 vdst = INST_A(inst); \ 786 vsrc1 = INST_B(inst); \ 787 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 788 if (_chkdiv != 0) { \ 789 s4 firstVal, secondVal, result; \ 790 firstVal = GET_REGISTER(vdst); \ 791 secondVal = GET_REGISTER(vsrc1); \ 792 if (secondVal == 0) { \ 793 EXPORT_PC(); \ 794 dvmThrowArithmeticException("divide by zero"); \ 795 GOTO_exceptionThrown(); \ 796 } \ 797 if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ 798 if (_chkdiv == 1) \ 799 result = firstVal; /* division */ \ 800 else \ 801 result = 0; /* remainder */ \ 802 } else { \ 803 result = firstVal _op secondVal; \ 804 } \ 805 SET_REGISTER(vdst, result); \ 806 } else { \ 807 SET_REGISTER(vdst, \ 808 (s4) GET_REGISTER(vdst) _op (s4) GET_REGISTER(vsrc1)); \ 809 } \ 810 FINISH(1); 811 812#define HANDLE_OP_SHX_INT_2ADDR(_opcode, _opname, _cast, _op) \ 813 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 814 vdst = INST_A(inst); \ 815 vsrc1 = INST_B(inst); \ 816 ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 817 SET_REGISTER(vdst, \ 818 _cast GET_REGISTER(vdst) _op (GET_REGISTER(vsrc1) & 0x1f)); \ 819 FINISH(1); 820 821#define HANDLE_OP_X_LONG(_opcode, _opname, _op, _chkdiv) \ 822 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 823 { \ 824 u2 srcRegs; \ 825 vdst = INST_AA(inst); \ 826 srcRegs = FETCH(1); \ 827 vsrc1 = srcRegs & 0xff; \ 828 vsrc2 = srcRegs >> 8; \ 829 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 830 if (_chkdiv != 0) { \ 831 s8 firstVal, secondVal, result; \ 832 firstVal = GET_REGISTER_WIDE(vsrc1); \ 833 secondVal = GET_REGISTER_WIDE(vsrc2); \ 834 if (secondVal == 0LL) { \ 835 EXPORT_PC(); \ 836 dvmThrowArithmeticException("divide by zero"); \ 837 GOTO_exceptionThrown(); \ 838 } \ 839 if ((u8)firstVal == 0x8000000000000000ULL && \ 840 secondVal == -1LL) \ 841 { \ 842 if (_chkdiv == 1) \ 843 result = firstVal; /* division */ \ 844 else \ 845 result = 0; /* remainder */ \ 846 } else { \ 847 result = firstVal _op secondVal; \ 848 } \ 849 SET_REGISTER_WIDE(vdst, result); \ 850 } else { \ 851 SET_REGISTER_WIDE(vdst, \ 852 (s8) GET_REGISTER_WIDE(vsrc1) _op (s8) GET_REGISTER_WIDE(vsrc2)); \ 853 } \ 854 } \ 855 FINISH(2); 856 857#define HANDLE_OP_SHX_LONG(_opcode, _opname, _cast, _op) \ 858 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 859 { \ 860 u2 srcRegs; \ 861 vdst = INST_AA(inst); \ 862 srcRegs = FETCH(1); \ 863 vsrc1 = srcRegs & 0xff; \ 864 vsrc2 = srcRegs >> 8; \ 865 ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 866 SET_REGISTER_WIDE(vdst, \ 867 _cast GET_REGISTER_WIDE(vsrc1) _op (GET_REGISTER(vsrc2) & 0x3f)); \ 868 } \ 869 FINISH(2); 870 871#define HANDLE_OP_X_LONG_2ADDR(_opcode, _opname, _op, _chkdiv) \ 872 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 873 vdst = INST_A(inst); \ 874 vsrc1 = INST_B(inst); \ 875 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 876 if (_chkdiv != 0) { \ 877 s8 firstVal, secondVal, result; \ 878 firstVal = GET_REGISTER_WIDE(vdst); \ 879 secondVal = GET_REGISTER_WIDE(vsrc1); \ 880 if (secondVal == 0LL) { \ 881 EXPORT_PC(); \ 882 dvmThrowArithmeticException("divide by zero"); \ 883 GOTO_exceptionThrown(); \ 884 } \ 885 if ((u8)firstVal == 0x8000000000000000ULL && \ 886 secondVal == -1LL) \ 887 { \ 888 if (_chkdiv == 1) \ 889 result = firstVal; /* division */ \ 890 else \ 891 result = 0; /* remainder */ \ 892 } else { \ 893 result = firstVal _op secondVal; \ 894 } \ 895 SET_REGISTER_WIDE(vdst, result); \ 896 } else { \ 897 SET_REGISTER_WIDE(vdst, \ 898 (s8) GET_REGISTER_WIDE(vdst) _op (s8)GET_REGISTER_WIDE(vsrc1));\ 899 } \ 900 FINISH(1); 901 902#define HANDLE_OP_SHX_LONG_2ADDR(_opcode, _opname, _cast, _op) \ 903 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 904 vdst = INST_A(inst); \ 905 vsrc1 = INST_B(inst); \ 906 ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 907 SET_REGISTER_WIDE(vdst, \ 908 _cast GET_REGISTER_WIDE(vdst) _op (GET_REGISTER(vsrc1) & 0x3f)); \ 909 FINISH(1); 910 911#define HANDLE_OP_X_FLOAT(_opcode, _opname, _op) \ 912 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 913 { \ 914 u2 srcRegs; \ 915 vdst = INST_AA(inst); \ 916 srcRegs = FETCH(1); \ 917 vsrc1 = srcRegs & 0xff; \ 918 vsrc2 = srcRegs >> 8; \ 919 ILOGV("|%s-float v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 920 SET_REGISTER_FLOAT(vdst, \ 921 GET_REGISTER_FLOAT(vsrc1) _op GET_REGISTER_FLOAT(vsrc2)); \ 922 } \ 923 FINISH(2); 924 925#define HANDLE_OP_X_DOUBLE(_opcode, _opname, _op) \ 926 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 927 { \ 928 u2 srcRegs; \ 929 vdst = INST_AA(inst); \ 930 srcRegs = FETCH(1); \ 931 vsrc1 = srcRegs & 0xff; \ 932 vsrc2 = srcRegs >> 8; \ 933 ILOGV("|%s-double v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 934 SET_REGISTER_DOUBLE(vdst, \ 935 GET_REGISTER_DOUBLE(vsrc1) _op GET_REGISTER_DOUBLE(vsrc2)); \ 936 } \ 937 FINISH(2); 938 939#define HANDLE_OP_X_FLOAT_2ADDR(_opcode, _opname, _op) \ 940 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 941 vdst = INST_A(inst); \ 942 vsrc1 = INST_B(inst); \ 943 ILOGV("|%s-float-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 944 SET_REGISTER_FLOAT(vdst, \ 945 GET_REGISTER_FLOAT(vdst) _op GET_REGISTER_FLOAT(vsrc1)); \ 946 FINISH(1); 947 948#define HANDLE_OP_X_DOUBLE_2ADDR(_opcode, _opname, _op) \ 949 HANDLE_OPCODE(_opcode /*vA, vB*/) \ 950 vdst = INST_A(inst); \ 951 vsrc1 = INST_B(inst); \ 952 ILOGV("|%s-double-2addr v%d,v%d", (_opname), vdst, vsrc1); \ 953 SET_REGISTER_DOUBLE(vdst, \ 954 GET_REGISTER_DOUBLE(vdst) _op GET_REGISTER_DOUBLE(vsrc1)); \ 955 FINISH(1); 956 957#define HANDLE_OP_AGET(_opcode, _opname, _type, _regsize) \ 958 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 959 { \ 960 ArrayObject* arrayObj; \ 961 u2 arrayInfo; \ 962 EXPORT_PC(); \ 963 vdst = INST_AA(inst); \ 964 arrayInfo = FETCH(1); \ 965 vsrc1 = arrayInfo & 0xff; /* array ptr */ \ 966 vsrc2 = arrayInfo >> 8; /* index */ \ 967 ILOGV("|aget%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 968 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 969 if (!checkForNull((Object*) arrayObj)) \ 970 GOTO_exceptionThrown(); \ 971 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 972 dvmThrowArrayIndexOutOfBoundsException( \ 973 arrayObj->length, GET_REGISTER(vsrc2)); \ 974 GOTO_exceptionThrown(); \ 975 } \ 976 SET_REGISTER##_regsize(vdst, \ 977 ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)]); \ 978 ILOGV("+ AGET[%d]=0x%x", GET_REGISTER(vsrc2), GET_REGISTER(vdst)); \ 979 } \ 980 FINISH(2); 981 982#define HANDLE_OP_APUT(_opcode, _opname, _type, _regsize) \ 983 HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ 984 { \ 985 ArrayObject* arrayObj; \ 986 u2 arrayInfo; \ 987 EXPORT_PC(); \ 988 vdst = INST_AA(inst); /* AA: source value */ \ 989 arrayInfo = FETCH(1); \ 990 vsrc1 = arrayInfo & 0xff; /* BB: array ptr */ \ 991 vsrc2 = arrayInfo >> 8; /* CC: index */ \ 992 ILOGV("|aput%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ 993 arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ 994 if (!checkForNull((Object*) arrayObj)) \ 995 GOTO_exceptionThrown(); \ 996 if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ 997 dvmThrowArrayIndexOutOfBoundsException( \ 998 arrayObj->length, GET_REGISTER(vsrc2)); \ 999 GOTO_exceptionThrown(); \ 1000 } \ 1001 ILOGV("+ APUT[%d]=0x%08x", GET_REGISTER(vsrc2), GET_REGISTER(vdst));\ 1002 ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)] = \ 1003 GET_REGISTER##_regsize(vdst); \ 1004 } \ 1005 FINISH(2); 1006 1007/* 1008 * It's possible to get a bad value out of a field with sub-32-bit stores 1009 * because the -quick versions always operate on 32 bits. Consider: 1010 * short foo = -1 (sets a 32-bit register to 0xffffffff) 1011 * iput-quick foo (writes all 32 bits to the field) 1012 * short bar = 1 (sets a 32-bit register to 0x00000001) 1013 * iput-short (writes the low 16 bits to the field) 1014 * iget-quick foo (reads all 32 bits from the field, yielding 0xffff0001) 1015 * This can only happen when optimized and non-optimized code has interleaved 1016 * access to the same field. This is unlikely but possible. 1017 * 1018 * The easiest way to fix this is to always read/write 32 bits at a time. On 1019 * a device with a 16-bit data bus this is sub-optimal. (The alternative 1020 * approach is to have sub-int versions of iget-quick, but now we're wasting 1021 * Dalvik instruction space and making it less likely that handler code will 1022 * already be in the CPU i-cache.) 1023 */ 1024#define HANDLE_IGET_X(_opcode, _opname, _ftype, _regsize) \ 1025 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1026 { \ 1027 InstField* ifield; \ 1028 Object* obj; \ 1029 EXPORT_PC(); \ 1030 vdst = INST_A(inst); \ 1031 vsrc1 = INST_B(inst); /* object ptr */ \ 1032 ref = FETCH(1); /* field ref */ \ 1033 ILOGV("|iget%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1034 obj = (Object*) GET_REGISTER(vsrc1); \ 1035 if (!checkForNull(obj)) \ 1036 GOTO_exceptionThrown(); \ 1037 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1038 if (ifield == NULL) { \ 1039 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1040 if (ifield == NULL) \ 1041 GOTO_exceptionThrown(); \ 1042 } \ 1043 SET_REGISTER##_regsize(vdst, \ 1044 dvmGetField##_ftype(obj, ifield->byteOffset)); \ 1045 ILOGV("+ IGET '%s'=0x%08llx", ifield->field.name, \ 1046 (u8) GET_REGISTER##_regsize(vdst)); \ 1047 UPDATE_FIELD_GET(&ifield->field); \ 1048 } \ 1049 FINISH(2); 1050 1051#define HANDLE_IGET_X_JUMBO(_opcode, _opname, _ftype, _regsize) \ 1052 HANDLE_OPCODE(_opcode /*vBBBB, vCCCC, class@AAAAAAAA*/) \ 1053 { \ 1054 InstField* ifield; \ 1055 Object* obj; \ 1056 EXPORT_PC(); \ 1057 ref = FETCH(1) | (u4)FETCH(2) << 16; /* field ref */ \ 1058 vdst = FETCH(3); \ 1059 vsrc1 = FETCH(4); /* object ptr */ \ 1060 ILOGV("|iget%s/jumbo v%d,v%d,field@0x%08x", \ 1061 (_opname), vdst, vsrc1, ref); \ 1062 obj = (Object*) GET_REGISTER(vsrc1); \ 1063 if (!checkForNull(obj)) \ 1064 GOTO_exceptionThrown(); \ 1065 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1066 if (ifield == NULL) { \ 1067 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1068 if (ifield == NULL) \ 1069 GOTO_exceptionThrown(); \ 1070 } \ 1071 SET_REGISTER##_regsize(vdst, \ 1072 dvmGetField##_ftype(obj, ifield->byteOffset)); \ 1073 ILOGV("+ IGET '%s'=0x%08llx", ifield->field.name, \ 1074 (u8) GET_REGISTER##_regsize(vdst)); \ 1075 UPDATE_FIELD_GET(&ifield->field); \ 1076 } \ 1077 FINISH(5); 1078 1079#define HANDLE_IGET_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1080 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1081 { \ 1082 Object* obj; \ 1083 vdst = INST_A(inst); \ 1084 vsrc1 = INST_B(inst); /* object ptr */ \ 1085 ref = FETCH(1); /* field offset */ \ 1086 ILOGV("|iget%s-quick v%d,v%d,field@+%u", \ 1087 (_opname), vdst, vsrc1, ref); \ 1088 obj = (Object*) GET_REGISTER(vsrc1); \ 1089 if (!checkForNullExportPC(obj, fp, pc)) \ 1090 GOTO_exceptionThrown(); \ 1091 SET_REGISTER##_regsize(vdst, dvmGetField##_ftype(obj, ref)); \ 1092 ILOGV("+ IGETQ %d=0x%08llx", ref, \ 1093 (u8) GET_REGISTER##_regsize(vdst)); \ 1094 } \ 1095 FINISH(2); 1096 1097#define HANDLE_IPUT_X(_opcode, _opname, _ftype, _regsize) \ 1098 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1099 { \ 1100 InstField* ifield; \ 1101 Object* obj; \ 1102 EXPORT_PC(); \ 1103 vdst = INST_A(inst); \ 1104 vsrc1 = INST_B(inst); /* object ptr */ \ 1105 ref = FETCH(1); /* field ref */ \ 1106 ILOGV("|iput%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ 1107 obj = (Object*) GET_REGISTER(vsrc1); \ 1108 if (!checkForNull(obj)) \ 1109 GOTO_exceptionThrown(); \ 1110 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1111 if (ifield == NULL) { \ 1112 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1113 if (ifield == NULL) \ 1114 GOTO_exceptionThrown(); \ 1115 } \ 1116 dvmSetField##_ftype(obj, ifield->byteOffset, \ 1117 GET_REGISTER##_regsize(vdst)); \ 1118 ILOGV("+ IPUT '%s'=0x%08llx", ifield->field.name, \ 1119 (u8) GET_REGISTER##_regsize(vdst)); \ 1120 UPDATE_FIELD_PUT(&ifield->field); \ 1121 } \ 1122 FINISH(2); 1123 1124#define HANDLE_IPUT_X_JUMBO(_opcode, _opname, _ftype, _regsize) \ 1125 HANDLE_OPCODE(_opcode /*vBBBB, vCCCC, class@AAAAAAAA*/) \ 1126 { \ 1127 InstField* ifield; \ 1128 Object* obj; \ 1129 EXPORT_PC(); \ 1130 ref = FETCH(1) | (u4)FETCH(2) << 16; /* field ref */ \ 1131 vdst = FETCH(3); \ 1132 vsrc1 = FETCH(4); /* object ptr */ \ 1133 ILOGV("|iput%s/jumbo v%d,v%d,field@0x%08x", \ 1134 (_opname), vdst, vsrc1, ref); \ 1135 obj = (Object*) GET_REGISTER(vsrc1); \ 1136 if (!checkForNull(obj)) \ 1137 GOTO_exceptionThrown(); \ 1138 ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ 1139 if (ifield == NULL) { \ 1140 ifield = dvmResolveInstField(curMethod->clazz, ref); \ 1141 if (ifield == NULL) \ 1142 GOTO_exceptionThrown(); \ 1143 } \ 1144 dvmSetField##_ftype(obj, ifield->byteOffset, \ 1145 GET_REGISTER##_regsize(vdst)); \ 1146 ILOGV("+ IPUT '%s'=0x%08llx", ifield->field.name, \ 1147 (u8) GET_REGISTER##_regsize(vdst)); \ 1148 UPDATE_FIELD_PUT(&ifield->field); \ 1149 } \ 1150 FINISH(5); 1151 1152#define HANDLE_IPUT_X_QUICK(_opcode, _opname, _ftype, _regsize) \ 1153 HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ 1154 { \ 1155 Object* obj; \ 1156 vdst = INST_A(inst); \ 1157 vsrc1 = INST_B(inst); /* object ptr */ \ 1158 ref = FETCH(1); /* field offset */ \ 1159 ILOGV("|iput%s-quick v%d,v%d,field@0x%04x", \ 1160 (_opname), vdst, vsrc1, ref); \ 1161 obj = (Object*) GET_REGISTER(vsrc1); \ 1162 if (!checkForNullExportPC(obj, fp, pc)) \ 1163 GOTO_exceptionThrown(); \ 1164 dvmSetField##_ftype(obj, ref, GET_REGISTER##_regsize(vdst)); \ 1165 ILOGV("+ IPUTQ %d=0x%08llx", ref, \ 1166 (u8) GET_REGISTER##_regsize(vdst)); \ 1167 } \ 1168 FINISH(2); 1169 1170/* 1171 * The JIT needs dvmDexGetResolvedField() to return non-null. 1172 * Because the portable interpreter is not involved with the JIT 1173 * and trace building, we only need the extra check here when this 1174 * code is massaged into a stub called from an assembly interpreter. 1175 * This is controlled by the JIT_STUB_HACK maco. 1176 */ 1177 1178#define HANDLE_SGET_X(_opcode, _opname, _ftype, _regsize) \ 1179 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1180 { \ 1181 StaticField* sfield; \ 1182 vdst = INST_AA(inst); \ 1183 ref = FETCH(1); /* field ref */ \ 1184 ILOGV("|sget%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1185 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1186 if (sfield == NULL) { \ 1187 EXPORT_PC(); \ 1188 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1189 if (sfield == NULL) \ 1190 GOTO_exceptionThrown(); \ 1191 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1192 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1193 } \ 1194 } \ 1195 SET_REGISTER##_regsize(vdst, dvmGetStaticField##_ftype(sfield)); \ 1196 ILOGV("+ SGET '%s'=0x%08llx", \ 1197 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1198 UPDATE_FIELD_GET(&sfield->field); \ 1199 } \ 1200 FINISH(2); 1201 1202#define HANDLE_SGET_X_JUMBO(_opcode, _opname, _ftype, _regsize) \ 1203 HANDLE_OPCODE(_opcode /*vBBBB, class@AAAAAAAA*/) \ 1204 { \ 1205 StaticField* sfield; \ 1206 ref = FETCH(1) | (u4)FETCH(2) << 16; /* field ref */ \ 1207 vdst = FETCH(3); \ 1208 ILOGV("|sget%s/jumbo v%d,sfield@0x%08x", (_opname), vdst, ref); \ 1209 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1210 if (sfield == NULL) { \ 1211 EXPORT_PC(); \ 1212 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1213 if (sfield == NULL) \ 1214 GOTO_exceptionThrown(); \ 1215 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1216 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1217 } \ 1218 } \ 1219 SET_REGISTER##_regsize(vdst, dvmGetStaticField##_ftype(sfield)); \ 1220 ILOGV("+ SGET '%s'=0x%08llx", \ 1221 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1222 UPDATE_FIELD_GET(&sfield->field); \ 1223 } \ 1224 FINISH(4); 1225 1226#define HANDLE_SPUT_X(_opcode, _opname, _ftype, _regsize) \ 1227 HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ 1228 { \ 1229 StaticField* sfield; \ 1230 vdst = INST_AA(inst); \ 1231 ref = FETCH(1); /* field ref */ \ 1232 ILOGV("|sput%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ 1233 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1234 if (sfield == NULL) { \ 1235 EXPORT_PC(); \ 1236 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1237 if (sfield == NULL) \ 1238 GOTO_exceptionThrown(); \ 1239 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1240 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1241 } \ 1242 } \ 1243 dvmSetStaticField##_ftype(sfield, GET_REGISTER##_regsize(vdst)); \ 1244 ILOGV("+ SPUT '%s'=0x%08llx", \ 1245 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1246 UPDATE_FIELD_PUT(&sfield->field); \ 1247 } \ 1248 FINISH(2); 1249 1250#define HANDLE_SPUT_X_JUMBO(_opcode, _opname, _ftype, _regsize) \ 1251 HANDLE_OPCODE(_opcode /*vBBBB, class@AAAAAAAA*/) \ 1252 { \ 1253 StaticField* sfield; \ 1254 ref = FETCH(1) | (u4)FETCH(2) << 16; /* field ref */ \ 1255 vdst = FETCH(3); \ 1256 ILOGV("|sput%s/jumbo v%d,sfield@0x%08x", (_opname), vdst, ref); \ 1257 sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ 1258 if (sfield == NULL) { \ 1259 EXPORT_PC(); \ 1260 sfield = dvmResolveStaticField(curMethod->clazz, ref); \ 1261 if (sfield == NULL) \ 1262 GOTO_exceptionThrown(); \ 1263 if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ 1264 JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ 1265 } \ 1266 } \ 1267 dvmSetStaticField##_ftype(sfield, GET_REGISTER##_regsize(vdst)); \ 1268 ILOGV("+ SPUT '%s'=0x%08llx", \ 1269 sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ 1270 UPDATE_FIELD_PUT(&sfield->field); \ 1271 } \ 1272 FINISH(4); 1273 1274/* File: cstubs/enddefs.cpp */ 1275 1276/* undefine "magic" name remapping */ 1277#undef retval 1278#undef pc 1279#undef fp 1280#undef curMethod 1281#undef methodClassDex 1282#undef self 1283#undef debugTrackedRefStart 1284 1285/* File: armv5te/debug.cpp */ 1286#include <inttypes.h> 1287 1288/* 1289 * Dump the fixed-purpose ARM registers, along with some other info. 1290 * 1291 * This function MUST be compiled in ARM mode -- THUMB will yield bogus 1292 * results. 1293 * 1294 * This will NOT preserve r0-r3/ip. 1295 */ 1296void dvmMterpDumpArmRegs(uint32_t r0, uint32_t r1, uint32_t r2, uint32_t r3) 1297{ 1298 register uint32_t rPC asm("r4"); 1299 register uint32_t rFP asm("r5"); 1300 register uint32_t rSELF asm("r6"); 1301 register uint32_t rINST asm("r7"); 1302 register uint32_t rIBASE asm("r8"); 1303 register uint32_t r9 asm("r9"); 1304 register uint32_t r10 asm("r10"); 1305 1306 //extern char dvmAsmInstructionStart[]; 1307 1308 printf("REGS: r0=%08x r1=%08x r2=%08x r3=%08x\n", r0, r1, r2, r3); 1309 printf(" : rPC=%08x rFP=%08x rSELF=%08x rINST=%08x\n", 1310 rPC, rFP, rSELF, rINST); 1311 printf(" : rIBASE=%08x r9=%08x r10=%08x\n", rIBASE, r9, r10); 1312 1313 //Thread* self = (Thread*) rSELF; 1314 //const Method* method = self->method; 1315 printf(" + self is %p\n", dvmThreadSelf()); 1316 //printf(" + currently in %s.%s %s\n", 1317 // method->clazz->descriptor, method->name, method->shorty); 1318 //printf(" + dvmAsmInstructionStart = %p\n", dvmAsmInstructionStart); 1319 //printf(" + next handler for 0x%02x = %p\n", 1320 // rINST & 0xff, dvmAsmInstructionStart + (rINST & 0xff) * 64); 1321} 1322 1323/* 1324 * Dump the StackSaveArea for the specified frame pointer. 1325 */ 1326void dvmDumpFp(void* fp, StackSaveArea* otherSaveArea) 1327{ 1328 StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp); 1329 printf("StackSaveArea for fp %p [%p/%p]:\n", fp, saveArea, otherSaveArea); 1330#ifdef EASY_GDB 1331 printf(" prevSave=%p, prevFrame=%p savedPc=%p meth=%p curPc=%p\n", 1332 saveArea->prevSave, saveArea->prevFrame, saveArea->savedPc, 1333 saveArea->method, saveArea->xtra.currentPc); 1334#else 1335 printf(" prevFrame=%p savedPc=%p meth=%p curPc=%p fp[0]=0x%08x\n", 1336 saveArea->prevFrame, saveArea->savedPc, 1337 saveArea->method, saveArea->xtra.currentPc, 1338 *(u4*)fp); 1339#endif 1340} 1341 1342/* 1343 * Does the bulk of the work for common_printMethod(). 1344 */ 1345void dvmMterpPrintMethod(Method* method) 1346{ 1347 /* 1348 * It is a direct (non-virtual) method if it is static, private, 1349 * or a constructor. 1350 */ 1351 bool isDirect = 1352 ((method->accessFlags & (ACC_STATIC|ACC_PRIVATE)) != 0) || 1353 (method->name[0] == '<'); 1354 1355 char* desc = dexProtoCopyMethodDescriptor(&method->prototype); 1356 1357 printf("<%c:%s.%s %s> ", 1358 isDirect ? 'D' : 'V', 1359 method->clazz->descriptor, 1360 method->name, 1361 desc); 1362 1363 free(desc); 1364} 1365 1366