diff options
Diffstat (limited to 'vm/mterp/out/InterpC-armv6j.cpp')
-rw-r--r-- | vm/mterp/out/InterpC-armv6j.cpp | 1249 |
1 files changed, 1249 insertions, 0 deletions
diff --git a/vm/mterp/out/InterpC-armv6j.cpp b/vm/mterp/out/InterpC-armv6j.cpp new file mode 100644 index 000000000..b9c203516 --- /dev/null +++ b/vm/mterp/out/InterpC-armv6j.cpp @@ -0,0 +1,1249 @@ +/* + * This file was generated automatically by gen-mterp.py for 'armv6j'. + * + * --> DO NOT EDIT <-- + */ + +/* File: c/header.cpp */ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* common includes */ +#include "Dalvik.h" +#include "interp/InterpDefs.h" +#include "mterp/Mterp.h" +#include <math.h> // needed for fmod, fmodf +#include "mterp/common/FindInterface.h" + +/* + * Configuration defines. These affect the C implementations, i.e. the + * portable interpreter(s) and C stubs. + * + * Some defines are controlled by the Makefile, e.g.: + * WITH_INSTR_CHECKS + * WITH_TRACKREF_CHECKS + * EASY_GDB + * NDEBUG + */ + +#ifdef WITH_INSTR_CHECKS /* instruction-level paranoia (slow!) */ +# define CHECK_BRANCH_OFFSETS +# define CHECK_REGISTER_INDICES +#endif + +/* + * Some architectures require 64-bit alignment for access to 64-bit data + * types. We can't just use pointers to copy 64-bit values out of our + * interpreted register set, because gcc may assume the pointer target is + * aligned and generate invalid code. + * + * There are two common approaches: + * (1) Use a union that defines a 32-bit pair and a 64-bit value. + * (2) Call memcpy(). + * + * Depending upon what compiler you're using and what options are specified, + * one may be faster than the other. For example, the compiler might + * convert a memcpy() of 8 bytes into a series of instructions and omit + * the call. The union version could cause some strange side-effects, + * e.g. for a while ARM gcc thought it needed separate storage for each + * inlined instance, and generated instructions to zero out ~700 bytes of + * stack space at the top of the interpreter. + * + * The default is to use memcpy(). The current gcc for ARM seems to do + * better with the union. + */ +#if defined(__ARM_EABI__) +# define NO_UNALIGN_64__UNION +#endif + + +//#define LOG_INSTR /* verbose debugging */ +/* set and adjust ANDROID_LOG_TAGS='*:i jdwp:i dalvikvm:i dalvikvmi:i' */ + +/* + * Export another copy of the PC on every instruction; this is largely + * redundant with EXPORT_PC and the debugger code. This value can be + * compared against what we have stored on the stack with EXPORT_PC to + * help ensure that we aren't missing any export calls. + */ +#if WITH_EXTRA_GC_CHECKS > 1 +# define EXPORT_EXTRA_PC() (self->currentPc2 = pc) +#else +# define EXPORT_EXTRA_PC() +#endif + +/* + * Adjust the program counter. "_offset" is a signed int, in 16-bit units. + * + * Assumes the existence of "const u2* pc" and "const u2* curMethod->insns". + * + * We don't advance the program counter until we finish an instruction or + * branch, because we do want to have to unroll the PC if there's an + * exception. + */ +#ifdef CHECK_BRANCH_OFFSETS +# define ADJUST_PC(_offset) do { \ + int myoff = _offset; /* deref only once */ \ + if (pc + myoff < curMethod->insns || \ + pc + myoff >= curMethod->insns + dvmGetMethodInsnsSize(curMethod)) \ + { \ + char* desc; \ + desc = dexProtoCopyMethodDescriptor(&curMethod->prototype); \ + ALOGE("Invalid branch %d at 0x%04x in %s.%s %s", \ + myoff, (int) (pc - curMethod->insns), \ + curMethod->clazz->descriptor, curMethod->name, desc); \ + free(desc); \ + dvmAbort(); \ + } \ + pc += myoff; \ + EXPORT_EXTRA_PC(); \ + } while (false) +#else +# define ADJUST_PC(_offset) do { \ + pc += _offset; \ + EXPORT_EXTRA_PC(); \ + } while (false) +#endif + +/* + * If enabled, log instructions as we execute them. + */ +#ifdef LOG_INSTR +# define ILOGD(...) ILOG(LOG_DEBUG, __VA_ARGS__) +# define ILOGV(...) ILOG(LOG_VERBOSE, __VA_ARGS__) +# define ILOG(_level, ...) do { \ + char debugStrBuf[128]; \ + snprintf(debugStrBuf, sizeof(debugStrBuf), __VA_ARGS__); \ + if (curMethod != NULL) \ + ALOG(_level, LOG_TAG"i", "%-2d|%04x%s", \ + self->threadId, (int)(pc - curMethod->insns), debugStrBuf); \ + else \ + ALOG(_level, LOG_TAG"i", "%-2d|####%s", \ + self->threadId, debugStrBuf); \ + } while(false) +void dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly); +# define DUMP_REGS(_meth, _frame, _inOnly) dvmDumpRegs(_meth, _frame, _inOnly) +static const char kSpacing[] = " "; +#else +# define ILOGD(...) ((void)0) +# define ILOGV(...) ((void)0) +# define DUMP_REGS(_meth, _frame, _inOnly) ((void)0) +#endif + +/* get a long from an array of u4 */ +static inline s8 getLongFromArray(const u4* ptr, int idx) +{ +#if defined(NO_UNALIGN_64__UNION) + union { s8 ll; u4 parts[2]; } conv; + + ptr += idx; + conv.parts[0] = ptr[0]; + conv.parts[1] = ptr[1]; + return conv.ll; +#else + s8 val; + memcpy(&val, &ptr[idx], 8); + return val; +#endif +} + +/* store a long into an array of u4 */ +static inline void putLongToArray(u4* ptr, int idx, s8 val) +{ +#if defined(NO_UNALIGN_64__UNION) + union { s8 ll; u4 parts[2]; } conv; + + ptr += idx; + conv.ll = val; + ptr[0] = conv.parts[0]; + ptr[1] = conv.parts[1]; +#else + memcpy(&ptr[idx], &val, 8); +#endif +} + +/* get a double from an array of u4 */ +static inline double getDoubleFromArray(const u4* ptr, int idx) +{ +#if defined(NO_UNALIGN_64__UNION) + union { double d; u4 parts[2]; } conv; + + ptr += idx; + conv.parts[0] = ptr[0]; + conv.parts[1] = ptr[1]; + return conv.d; +#else + double dval; + memcpy(&dval, &ptr[idx], 8); + return dval; +#endif +} + +/* store a double into an array of u4 */ +static inline void putDoubleToArray(u4* ptr, int idx, double dval) +{ +#if defined(NO_UNALIGN_64__UNION) + union { double d; u4 parts[2]; } conv; + + ptr += idx; + conv.d = dval; + ptr[0] = conv.parts[0]; + ptr[1] = conv.parts[1]; +#else + memcpy(&ptr[idx], &dval, 8); +#endif +} + +/* + * If enabled, validate the register number on every access. Otherwise, + * just do an array access. + * + * Assumes the existence of "u4* fp". + * + * "_idx" may be referenced more than once. + */ +#ifdef CHECK_REGISTER_INDICES +# define GET_REGISTER(_idx) \ + ( (_idx) < curMethod->registersSize ? \ + (fp[(_idx)]) : (assert(!"bad reg"),1969) ) +# define SET_REGISTER(_idx, _val) \ + ( (_idx) < curMethod->registersSize ? \ + (fp[(_idx)] = (u4)(_val)) : (assert(!"bad reg"),1969) ) +# define GET_REGISTER_AS_OBJECT(_idx) ((Object *)GET_REGISTER(_idx)) +# define SET_REGISTER_AS_OBJECT(_idx, _val) SET_REGISTER(_idx, (s4)_val) +# define GET_REGISTER_INT(_idx) ((s4) GET_REGISTER(_idx)) +# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) +# define GET_REGISTER_WIDE(_idx) \ + ( (_idx) < curMethod->registersSize-1 ? \ + getLongFromArray(fp, (_idx)) : (assert(!"bad reg"),1969) ) +# define SET_REGISTER_WIDE(_idx, _val) \ + ( (_idx) < curMethod->registersSize-1 ? \ + (void)putLongToArray(fp, (_idx), (_val)) : assert(!"bad reg") ) +# define GET_REGISTER_FLOAT(_idx) \ + ( (_idx) < curMethod->registersSize ? \ + (*((float*) &fp[(_idx)])) : (assert(!"bad reg"),1969.0f) ) +# define SET_REGISTER_FLOAT(_idx, _val) \ + ( (_idx) < curMethod->registersSize ? \ + (*((float*) &fp[(_idx)]) = (_val)) : (assert(!"bad reg"),1969.0f) ) +# define GET_REGISTER_DOUBLE(_idx) \ + ( (_idx) < curMethod->registersSize-1 ? \ + getDoubleFromArray(fp, (_idx)) : (assert(!"bad reg"),1969.0) ) +# define SET_REGISTER_DOUBLE(_idx, _val) \ + ( (_idx) < curMethod->registersSize-1 ? \ + (void)putDoubleToArray(fp, (_idx), (_val)) : assert(!"bad reg") ) +#else +# define GET_REGISTER(_idx) (fp[(_idx)]) +# define SET_REGISTER(_idx, _val) (fp[(_idx)] = (_val)) +# define GET_REGISTER_AS_OBJECT(_idx) ((Object*) fp[(_idx)]) +# define SET_REGISTER_AS_OBJECT(_idx, _val) (fp[(_idx)] = (u4)(_val)) +# define GET_REGISTER_INT(_idx) ((s4)GET_REGISTER(_idx)) +# define SET_REGISTER_INT(_idx, _val) SET_REGISTER(_idx, (s4)_val) +# define GET_REGISTER_WIDE(_idx) getLongFromArray(fp, (_idx)) +# define SET_REGISTER_WIDE(_idx, _val) putLongToArray(fp, (_idx), (_val)) +# define GET_REGISTER_FLOAT(_idx) (*((float*) &fp[(_idx)])) +# define SET_REGISTER_FLOAT(_idx, _val) (*((float*) &fp[(_idx)]) = (_val)) +# define GET_REGISTER_DOUBLE(_idx) getDoubleFromArray(fp, (_idx)) +# define SET_REGISTER_DOUBLE(_idx, _val) putDoubleToArray(fp, (_idx), (_val)) +#endif + +/* + * Get 16 bits from the specified offset of the program counter. We always + * want to load 16 bits at a time from the instruction stream -- it's more + * efficient than 8 and won't have the alignment problems that 32 might. + * + * Assumes existence of "const u2* pc". + */ +#define FETCH(_offset) (pc[(_offset)]) + +/* + * Extract instruction byte from 16-bit fetch (_inst is a u2). + */ +#define INST_INST(_inst) ((_inst) & 0xff) + +/* + * Replace the opcode (used when handling breakpoints). _opcode is a u1. + */ +#define INST_REPLACE_OP(_inst, _opcode) (((_inst) & 0xff00) | _opcode) + +/* + * Extract the "vA, vB" 4-bit registers from the instruction word (_inst is u2). + */ +#define INST_A(_inst) (((_inst) >> 8) & 0x0f) +#define INST_B(_inst) ((_inst) >> 12) + +/* + * Get the 8-bit "vAA" 8-bit register index from the instruction word. + * (_inst is u2) + */ +#define INST_AA(_inst) ((_inst) >> 8) + +/* + * The current PC must be available to Throwable constructors, e.g. + * those created by the various exception throw routines, so that the + * exception stack trace can be generated correctly. If we don't do this, + * the offset within the current method won't be shown correctly. See the + * notes in Exception.c. + * + * This is also used to determine the address for precise GC. + * + * Assumes existence of "u4* fp" and "const u2* pc". + */ +#define EXPORT_PC() (SAVEAREA_FROM_FP(fp)->xtra.currentPc = pc) + +/* + * Check to see if "obj" is NULL. If so, throw an exception. Assumes the + * pc has already been exported to the stack. + * + * Perform additional checks on debug builds. + * + * Use this to check for NULL when the instruction handler calls into + * something that could throw an exception (so we have already called + * EXPORT_PC at the top). + */ +static inline bool checkForNull(Object* obj) +{ + if (obj == NULL) { + dvmThrowNullPointerException(NULL); + return false; + } +#ifdef WITH_EXTRA_OBJECT_VALIDATION + if (!dvmIsHeapAddress(obj)) { + ALOGE("Invalid object %p", obj); + dvmAbort(); + } +#endif +#ifndef NDEBUG + if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { + /* probable heap corruption */ + ALOGE("Invalid object class %p (in %p)", obj->clazz, obj); + dvmAbort(); + } +#endif + return true; +} + +/* + * Check to see if "obj" is NULL. If so, export the PC into the stack + * frame and throw an exception. + * + * Perform additional checks on debug builds. + * + * Use this to check for NULL when the instruction handler doesn't do + * anything else that can throw an exception. + */ +static inline bool checkForNullExportPC(Object* obj, u4* fp, const u2* pc) +{ + if (obj == NULL) { + EXPORT_PC(); + dvmThrowNullPointerException(NULL); + return false; + } +#ifdef WITH_EXTRA_OBJECT_VALIDATION + if (!dvmIsHeapAddress(obj)) { + ALOGE("Invalid object %p", obj); + dvmAbort(); + } +#endif +#ifndef NDEBUG + if (obj->clazz == NULL || ((u4) obj->clazz) <= 65536) { + /* probable heap corruption */ + ALOGE("Invalid object class %p (in %p)", obj->clazz, obj); + dvmAbort(); + } +#endif + return true; +} + +/* File: cstubs/stubdefs.cpp */ +/* + * In the C mterp stubs, "goto" is a function call followed immediately + * by a return. + */ + +#define GOTO_TARGET_DECL(_target, ...) \ + extern "C" void dvmMterp_##_target(Thread* self, ## __VA_ARGS__); + +/* (void)xxx to quiet unused variable compiler warnings. */ +#define GOTO_TARGET(_target, ...) \ + void dvmMterp_##_target(Thread* self, ## __VA_ARGS__) { \ + u2 ref, vsrc1, vsrc2, vdst; \ + u2 inst = FETCH(0); \ + const Method* methodToCall; \ + StackSaveArea* debugSaveArea; \ + (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; \ + (void)methodToCall; (void)debugSaveArea; + +#define GOTO_TARGET_END } + +/* + * Redefine what used to be local variable accesses into Thread struct + * references. (These are undefined down in "footer.cpp".) + */ +#define retval self->interpSave.retval +#define pc self->interpSave.pc +#define fp self->interpSave.curFrame +#define curMethod self->interpSave.method +#define methodClassDex self->interpSave.methodClassDex +#define debugTrackedRefStart self->interpSave.debugTrackedRefStart + +/* ugh */ +#define STUB_HACK(x) x +#if defined(WITH_JIT) +#define JIT_STUB_HACK(x) x +#else +#define JIT_STUB_HACK(x) +#endif + +/* + * InterpSave's pc and fp must be valid when breaking out to a + * "Reportxxx" routine. Because the portable interpreter uses local + * variables for these, we must flush prior. Stubs, however, use + * the interpSave vars directly, so this is a nop for stubs. + */ +#define PC_FP_TO_SELF() +#define PC_TO_SELF() + +/* + * Opcode handler framing macros. Here, each opcode is a separate function + * that takes a "self" argument and returns void. We can't declare + * these "static" because they may be called from an assembly stub. + * (void)xxx to quiet unused variable compiler warnings. + */ +#define HANDLE_OPCODE(_op) \ + extern "C" void dvmMterp_##_op(Thread* self); \ + void dvmMterp_##_op(Thread* self) { \ + u4 ref; \ + u2 vsrc1, vsrc2, vdst; \ + u2 inst = FETCH(0); \ + (void)ref; (void)vsrc1; (void)vsrc2; (void)vdst; (void)inst; + +#define OP_END } + +/* + * Like the "portable" FINISH, but don't reload "inst", and return to caller + * when done. Further, debugger/profiler checks are handled + * before handler execution in mterp, so we don't do them here either. + */ +#if defined(WITH_JIT) +#define FINISH(_offset) { \ + ADJUST_PC(_offset); \ + if (self->interpBreak.ctl.subMode & kSubModeJitTraceBuild) { \ + dvmCheckJit(pc, self); \ + } \ + return; \ + } +#else +#define FINISH(_offset) { \ + ADJUST_PC(_offset); \ + return; \ + } +#endif + + +/* + * The "goto label" statements turn into function calls followed by + * return statements. Some of the functions take arguments, which in the + * portable interpreter are handled by assigning values to globals. + */ + +#define GOTO_exceptionThrown() \ + do { \ + dvmMterp_exceptionThrown(self); \ + return; \ + } while(false) + +#define GOTO_returnFromMethod() \ + do { \ + dvmMterp_returnFromMethod(self); \ + return; \ + } while(false) + +#define GOTO_invoke(_target, _methodCallRange) \ + do { \ + dvmMterp_##_target(self, _methodCallRange); \ + return; \ + } while(false) + +#define GOTO_invokeMethod(_methodCallRange, _methodToCall, _vsrc1, _vdst) \ + do { \ + dvmMterp_invokeMethod(self, _methodCallRange, _methodToCall, \ + _vsrc1, _vdst); \ + return; \ + } while(false) + +/* + * As a special case, "goto bail" turns into a longjmp. + */ +#define GOTO_bail() \ + dvmMterpStdBail(self, false); + +/* + * Periodically check for thread suspension. + * + * While we're at it, see if a debugger has attached or the profiler has + * started. + */ +#define PERIODIC_CHECKS(_pcadj) { \ + if (dvmCheckSuspendQuick(self)) { \ + EXPORT_PC(); /* need for precise GC */ \ + dvmCheckSuspendPending(self); \ + } \ + } + +/* File: c/opcommon.cpp */ +/* forward declarations of goto targets */ +GOTO_TARGET_DECL(filledNewArray, bool methodCallRange); +GOTO_TARGET_DECL(invokeVirtual, bool methodCallRange); +GOTO_TARGET_DECL(invokeSuper, bool methodCallRange); +GOTO_TARGET_DECL(invokeInterface, bool methodCallRange); +GOTO_TARGET_DECL(invokeDirect, bool methodCallRange); +GOTO_TARGET_DECL(invokeStatic, bool methodCallRange); +GOTO_TARGET_DECL(invokeVirtualQuick, bool methodCallRange); +GOTO_TARGET_DECL(invokeSuperQuick, bool methodCallRange); +GOTO_TARGET_DECL(invokeMethod, bool methodCallRange, const Method* methodToCall, + u2 count, u2 regs); +GOTO_TARGET_DECL(returnFromMethod); +GOTO_TARGET_DECL(exceptionThrown); + +/* + * =========================================================================== + * + * What follows are opcode definitions shared between multiple opcodes with + * minor substitutions handled by the C pre-processor. These should probably + * use the mterp substitution mechanism instead, with the code here moved + * into common fragment files (like the asm "binop.S"), although it's hard + * to give up the C preprocessor in favor of the much simpler text subst. + * + * =========================================================================== + */ + +#define HANDLE_NUMCONV(_opcode, _opname, _fromtype, _totype) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER##_totype(vdst, \ + GET_REGISTER##_fromtype(vsrc1)); \ + FINISH(1); + +#define HANDLE_FLOAT_TO_INT(_opcode, _opname, _fromvtype, _fromrtype, \ + _tovtype, _tortype) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + { \ + /* spec defines specific handling for +/- inf and NaN values */ \ + _fromvtype val; \ + _tovtype intMin, intMax, result; \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ + val = GET_REGISTER##_fromrtype(vsrc1); \ + intMin = (_tovtype) 1 << (sizeof(_tovtype) * 8 -1); \ + intMax = ~intMin; \ + result = (_tovtype) val; \ + if (val >= intMax) /* +inf */ \ + result = intMax; \ + else if (val <= intMin) /* -inf */ \ + result = intMin; \ + else if (val != val) /* NaN */ \ + result = 0; \ + else \ + result = (_tovtype) val; \ + SET_REGISTER##_tortype(vdst, result); \ + } \ + FINISH(1); + +#define HANDLE_INT_TO_SMALL(_opcode, _opname, _type) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|int-to-%s v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER(vdst, (_type) GET_REGISTER(vsrc1)); \ + FINISH(1); + +/* NOTE: the comparison result is always a signed 4-byte integer */ +#define HANDLE_OP_CMPX(_opcode, _opname, _varType, _type, _nanVal) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + int result; \ + u2 regs; \ + _varType val1, val2; \ + vdst = INST_AA(inst); \ + regs = FETCH(1); \ + vsrc1 = regs & 0xff; \ + vsrc2 = regs >> 8; \ + ILOGV("|cmp%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + val1 = GET_REGISTER##_type(vsrc1); \ + val2 = GET_REGISTER##_type(vsrc2); \ + if (val1 == val2) \ + result = 0; \ + else if (val1 < val2) \ + result = -1; \ + else if (val1 > val2) \ + result = 1; \ + else \ + result = (_nanVal); \ + ILOGV("+ result=%d", result); \ + SET_REGISTER(vdst, result); \ + } \ + FINISH(2); + +#define HANDLE_OP_IF_XX(_opcode, _opname, _cmp) \ + HANDLE_OPCODE(_opcode /*vA, vB, +CCCC*/) \ + vsrc1 = INST_A(inst); \ + vsrc2 = INST_B(inst); \ + if ((s4) GET_REGISTER(vsrc1) _cmp (s4) GET_REGISTER(vsrc2)) { \ + int branchOffset = (s2)FETCH(1); /* sign-extended */ \ + ILOGV("|if-%s v%d,v%d,+0x%04x", (_opname), vsrc1, vsrc2, \ + branchOffset); \ + ILOGV("> branch taken"); \ + if (branchOffset < 0) \ + PERIODIC_CHECKS(branchOffset); \ + FINISH(branchOffset); \ + } else { \ + ILOGV("|if-%s v%d,v%d,-", (_opname), vsrc1, vsrc2); \ + FINISH(2); \ + } + +#define HANDLE_OP_IF_XXZ(_opcode, _opname, _cmp) \ + HANDLE_OPCODE(_opcode /*vAA, +BBBB*/) \ + vsrc1 = INST_AA(inst); \ + if ((s4) GET_REGISTER(vsrc1) _cmp 0) { \ + int branchOffset = (s2)FETCH(1); /* sign-extended */ \ + ILOGV("|if-%s v%d,+0x%04x", (_opname), vsrc1, branchOffset); \ + ILOGV("> branch taken"); \ + if (branchOffset < 0) \ + PERIODIC_CHECKS(branchOffset); \ + FINISH(branchOffset); \ + } else { \ + ILOGV("|if-%s v%d,-", (_opname), vsrc1); \ + FINISH(2); \ + } + +#define HANDLE_UNOP(_opcode, _opname, _pfx, _sfx, _type) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER##_type(vdst, _pfx GET_REGISTER##_type(vsrc1) _sfx); \ + FINISH(1); + +#define HANDLE_OP_X_INT(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ + if (_chkdiv != 0) { \ + s4 firstVal, secondVal, result; \ + firstVal = GET_REGISTER(vsrc1); \ + secondVal = GET_REGISTER(vsrc2); \ + if (secondVal == 0) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op secondVal; \ + } \ + SET_REGISTER(vdst, result); \ + } else { \ + /* non-div/rem case */ \ + SET_REGISTER(vdst, \ + (s4) GET_REGISTER(vsrc1) _op (s4) GET_REGISTER(vsrc2)); \ + } \ + } \ + FINISH(2); + +#define HANDLE_OP_SHX_INT(_opcode, _opname, _cast, _op) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-int v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER(vdst, \ + _cast GET_REGISTER(vsrc1) _op (GET_REGISTER(vsrc2) & 0x1f)); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_INT_LIT16(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vA, vB, #+CCCC*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + vsrc2 = FETCH(1); \ + ILOGV("|%s-int/lit16 v%d,v%d,#+0x%04x", \ + (_opname), vdst, vsrc1, vsrc2); \ + if (_chkdiv != 0) { \ + s4 firstVal, result; \ + firstVal = GET_REGISTER(vsrc1); \ + if ((s2) vsrc2 == 0) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u4)firstVal == 0x80000000 && ((s2) vsrc2) == -1) { \ + /* won't generate /lit16 instr for this; check anyway */ \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op (s2) vsrc2; \ + } \ + SET_REGISTER(vdst, result); \ + } else { \ + /* non-div/rem case */ \ + SET_REGISTER(vdst, GET_REGISTER(vsrc1) _op (s2) vsrc2); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_INT_LIT8(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ + { \ + u2 litInfo; \ + vdst = INST_AA(inst); \ + litInfo = FETCH(1); \ + vsrc1 = litInfo & 0xff; \ + vsrc2 = litInfo >> 8; /* constant */ \ + ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ + (_opname), vdst, vsrc1, vsrc2); \ + if (_chkdiv != 0) { \ + s4 firstVal, result; \ + firstVal = GET_REGISTER(vsrc1); \ + if ((s1) vsrc2 == 0) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u4)firstVal == 0x80000000 && ((s1) vsrc2) == -1) { \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op ((s1) vsrc2); \ + } \ + SET_REGISTER(vdst, result); \ + } else { \ + SET_REGISTER(vdst, \ + (s4) GET_REGISTER(vsrc1) _op (s1) vsrc2); \ + } \ + } \ + FINISH(2); + +#define HANDLE_OP_SHX_INT_LIT8(_opcode, _opname, _cast, _op) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, #+CC*/) \ + { \ + u2 litInfo; \ + vdst = INST_AA(inst); \ + litInfo = FETCH(1); \ + vsrc1 = litInfo & 0xff; \ + vsrc2 = litInfo >> 8; /* constant */ \ + ILOGV("|%s-int/lit8 v%d,v%d,#+0x%02x", \ + (_opname), vdst, vsrc1, vsrc2); \ + SET_REGISTER(vdst, \ + _cast GET_REGISTER(vsrc1) _op (vsrc2 & 0x1f)); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_INT_2ADDR(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + if (_chkdiv != 0) { \ + s4 firstVal, secondVal, result; \ + firstVal = GET_REGISTER(vdst); \ + secondVal = GET_REGISTER(vsrc1); \ + if (secondVal == 0) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u4)firstVal == 0x80000000 && secondVal == -1) { \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op secondVal; \ + } \ + SET_REGISTER(vdst, result); \ + } else { \ + SET_REGISTER(vdst, \ + (s4) GET_REGISTER(vdst) _op (s4) GET_REGISTER(vsrc1)); \ + } \ + FINISH(1); + +#define HANDLE_OP_SHX_INT_2ADDR(_opcode, _opname, _cast, _op) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-int-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER(vdst, \ + _cast GET_REGISTER(vdst) _op (GET_REGISTER(vsrc1) & 0x1f)); \ + FINISH(1); + +#define HANDLE_OP_X_LONG(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + if (_chkdiv != 0) { \ + s8 firstVal, secondVal, result; \ + firstVal = GET_REGISTER_WIDE(vsrc1); \ + secondVal = GET_REGISTER_WIDE(vsrc2); \ + if (secondVal == 0LL) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u8)firstVal == 0x8000000000000000ULL && \ + secondVal == -1LL) \ + { \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op secondVal; \ + } \ + SET_REGISTER_WIDE(vdst, result); \ + } else { \ + SET_REGISTER_WIDE(vdst, \ + (s8) GET_REGISTER_WIDE(vsrc1) _op (s8) GET_REGISTER_WIDE(vsrc2)); \ + } \ + } \ + FINISH(2); + +#define HANDLE_OP_SHX_LONG(_opcode, _opname, _cast, _op) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-long v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + SET_REGISTER_WIDE(vdst, \ + _cast GET_REGISTER_WIDE(vsrc1) _op (GET_REGISTER(vsrc2) & 0x3f)); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_LONG_2ADDR(_opcode, _opname, _op, _chkdiv) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + if (_chkdiv != 0) { \ + s8 firstVal, secondVal, result; \ + firstVal = GET_REGISTER_WIDE(vdst); \ + secondVal = GET_REGISTER_WIDE(vsrc1); \ + if (secondVal == 0LL) { \ + EXPORT_PC(); \ + dvmThrowArithmeticException("divide by zero"); \ + GOTO_exceptionThrown(); \ + } \ + if ((u8)firstVal == 0x8000000000000000ULL && \ + secondVal == -1LL) \ + { \ + if (_chkdiv == 1) \ + result = firstVal; /* division */ \ + else \ + result = 0; /* remainder */ \ + } else { \ + result = firstVal _op secondVal; \ + } \ + SET_REGISTER_WIDE(vdst, result); \ + } else { \ + SET_REGISTER_WIDE(vdst, \ + (s8) GET_REGISTER_WIDE(vdst) _op (s8)GET_REGISTER_WIDE(vsrc1));\ + } \ + FINISH(1); + +#define HANDLE_OP_SHX_LONG_2ADDR(_opcode, _opname, _cast, _op) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-long-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER_WIDE(vdst, \ + _cast GET_REGISTER_WIDE(vdst) _op (GET_REGISTER(vsrc1) & 0x3f)); \ + FINISH(1); + +#define HANDLE_OP_X_FLOAT(_opcode, _opname, _op) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-float v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + SET_REGISTER_FLOAT(vdst, \ + GET_REGISTER_FLOAT(vsrc1) _op GET_REGISTER_FLOAT(vsrc2)); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_DOUBLE(_opcode, _opname, _op) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + u2 srcRegs; \ + vdst = INST_AA(inst); \ + srcRegs = FETCH(1); \ + vsrc1 = srcRegs & 0xff; \ + vsrc2 = srcRegs >> 8; \ + ILOGV("|%s-double v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + SET_REGISTER_DOUBLE(vdst, \ + GET_REGISTER_DOUBLE(vsrc1) _op GET_REGISTER_DOUBLE(vsrc2)); \ + } \ + FINISH(2); + +#define HANDLE_OP_X_FLOAT_2ADDR(_opcode, _opname, _op) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-float-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER_FLOAT(vdst, \ + GET_REGISTER_FLOAT(vdst) _op GET_REGISTER_FLOAT(vsrc1)); \ + FINISH(1); + +#define HANDLE_OP_X_DOUBLE_2ADDR(_opcode, _opname, _op) \ + HANDLE_OPCODE(_opcode /*vA, vB*/) \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); \ + ILOGV("|%s-double-2addr v%d,v%d", (_opname), vdst, vsrc1); \ + SET_REGISTER_DOUBLE(vdst, \ + GET_REGISTER_DOUBLE(vdst) _op GET_REGISTER_DOUBLE(vsrc1)); \ + FINISH(1); + +#define HANDLE_OP_AGET(_opcode, _opname, _type, _regsize) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + ArrayObject* arrayObj; \ + u2 arrayInfo; \ + EXPORT_PC(); \ + vdst = INST_AA(inst); \ + arrayInfo = FETCH(1); \ + vsrc1 = arrayInfo & 0xff; /* array ptr */ \ + vsrc2 = arrayInfo >> 8; /* index */ \ + ILOGV("|aget%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ + if (!checkForNull((Object*) arrayObj)) \ + GOTO_exceptionThrown(); \ + if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ + dvmThrowArrayIndexOutOfBoundsException( \ + arrayObj->length, GET_REGISTER(vsrc2)); \ + GOTO_exceptionThrown(); \ + } \ + SET_REGISTER##_regsize(vdst, \ + ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)]); \ + ILOGV("+ AGET[%d]=%#x", GET_REGISTER(vsrc2), GET_REGISTER(vdst)); \ + } \ + FINISH(2); + +#define HANDLE_OP_APUT(_opcode, _opname, _type, _regsize) \ + HANDLE_OPCODE(_opcode /*vAA, vBB, vCC*/) \ + { \ + ArrayObject* arrayObj; \ + u2 arrayInfo; \ + EXPORT_PC(); \ + vdst = INST_AA(inst); /* AA: source value */ \ + arrayInfo = FETCH(1); \ + vsrc1 = arrayInfo & 0xff; /* BB: array ptr */ \ + vsrc2 = arrayInfo >> 8; /* CC: index */ \ + ILOGV("|aput%s v%d,v%d,v%d", (_opname), vdst, vsrc1, vsrc2); \ + arrayObj = (ArrayObject*) GET_REGISTER(vsrc1); \ + if (!checkForNull((Object*) arrayObj)) \ + GOTO_exceptionThrown(); \ + if (GET_REGISTER(vsrc2) >= arrayObj->length) { \ + dvmThrowArrayIndexOutOfBoundsException( \ + arrayObj->length, GET_REGISTER(vsrc2)); \ + GOTO_exceptionThrown(); \ + } \ + ILOGV("+ APUT[%d]=0x%08x", GET_REGISTER(vsrc2), GET_REGISTER(vdst));\ + ((_type*)(void*)arrayObj->contents)[GET_REGISTER(vsrc2)] = \ + GET_REGISTER##_regsize(vdst); \ + } \ + FINISH(2); + +/* + * It's possible to get a bad value out of a field with sub-32-bit stores + * because the -quick versions always operate on 32 bits. Consider: + * short foo = -1 (sets a 32-bit register to 0xffffffff) + * iput-quick foo (writes all 32 bits to the field) + * short bar = 1 (sets a 32-bit register to 0x00000001) + * iput-short (writes the low 16 bits to the field) + * iget-quick foo (reads all 32 bits from the field, yielding 0xffff0001) + * This can only happen when optimized and non-optimized code has interleaved + * access to the same field. This is unlikely but possible. + * + * The easiest way to fix this is to always read/write 32 bits at a time. On + * a device with a 16-bit data bus this is sub-optimal. (The alternative + * approach is to have sub-int versions of iget-quick, but now we're wasting + * Dalvik instruction space and making it less likely that handler code will + * already be in the CPU i-cache.) + */ +#define HANDLE_IGET_X(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ + { \ + InstField* ifield; \ + Object* obj; \ + EXPORT_PC(); \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); /* object ptr */ \ + ref = FETCH(1); /* field ref */ \ + ILOGV("|iget%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ + obj = (Object*) GET_REGISTER(vsrc1); \ + if (!checkForNull(obj)) \ + GOTO_exceptionThrown(); \ + ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ + if (ifield == NULL) { \ + ifield = dvmResolveInstField(curMethod->clazz, ref); \ + if (ifield == NULL) \ + GOTO_exceptionThrown(); \ + } \ + SET_REGISTER##_regsize(vdst, \ + dvmGetField##_ftype(obj, ifield->byteOffset)); \ + ILOGV("+ IGET '%s'=0x%08llx", ifield->field.name, \ + (u8) GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +#define HANDLE_IGET_X_QUICK(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ + { \ + Object* obj; \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); /* object ptr */ \ + ref = FETCH(1); /* field offset */ \ + ILOGV("|iget%s-quick v%d,v%d,field@+%u", \ + (_opname), vdst, vsrc1, ref); \ + obj = (Object*) GET_REGISTER(vsrc1); \ + if (!checkForNullExportPC(obj, fp, pc)) \ + GOTO_exceptionThrown(); \ + SET_REGISTER##_regsize(vdst, dvmGetField##_ftype(obj, ref)); \ + ILOGV("+ IGETQ %d=0x%08llx", ref, \ + (u8) GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +#define HANDLE_IPUT_X(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ + { \ + InstField* ifield; \ + Object* obj; \ + EXPORT_PC(); \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); /* object ptr */ \ + ref = FETCH(1); /* field ref */ \ + ILOGV("|iput%s v%d,v%d,field@0x%04x", (_opname), vdst, vsrc1, ref); \ + obj = (Object*) GET_REGISTER(vsrc1); \ + if (!checkForNull(obj)) \ + GOTO_exceptionThrown(); \ + ifield = (InstField*) dvmDexGetResolvedField(methodClassDex, ref); \ + if (ifield == NULL) { \ + ifield = dvmResolveInstField(curMethod->clazz, ref); \ + if (ifield == NULL) \ + GOTO_exceptionThrown(); \ + } \ + dvmSetField##_ftype(obj, ifield->byteOffset, \ + GET_REGISTER##_regsize(vdst)); \ + ILOGV("+ IPUT '%s'=0x%08llx", ifield->field.name, \ + (u8) GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +#define HANDLE_IPUT_X_QUICK(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vA, vB, field@CCCC*/) \ + { \ + Object* obj; \ + vdst = INST_A(inst); \ + vsrc1 = INST_B(inst); /* object ptr */ \ + ref = FETCH(1); /* field offset */ \ + ILOGV("|iput%s-quick v%d,v%d,field@0x%04x", \ + (_opname), vdst, vsrc1, ref); \ + obj = (Object*) GET_REGISTER(vsrc1); \ + if (!checkForNullExportPC(obj, fp, pc)) \ + GOTO_exceptionThrown(); \ + dvmSetField##_ftype(obj, ref, GET_REGISTER##_regsize(vdst)); \ + ILOGV("+ IPUTQ %d=0x%08llx", ref, \ + (u8) GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +/* + * The JIT needs dvmDexGetResolvedField() to return non-null. + * Because the portable interpreter is not involved with the JIT + * and trace building, we only need the extra check here when this + * code is massaged into a stub called from an assembly interpreter. + * This is controlled by the JIT_STUB_HACK maco. + */ + +#define HANDLE_SGET_X(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ + { \ + StaticField* sfield; \ + vdst = INST_AA(inst); \ + ref = FETCH(1); /* field ref */ \ + ILOGV("|sget%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ + sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ + if (sfield == NULL) { \ + EXPORT_PC(); \ + sfield = dvmResolveStaticField(curMethod->clazz, ref); \ + if (sfield == NULL) \ + GOTO_exceptionThrown(); \ + if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ + JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ + } \ + } \ + SET_REGISTER##_regsize(vdst, dvmGetStaticField##_ftype(sfield)); \ + ILOGV("+ SGET '%s'=0x%08llx", \ + sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +#define HANDLE_SPUT_X(_opcode, _opname, _ftype, _regsize) \ + HANDLE_OPCODE(_opcode /*vAA, field@BBBB*/) \ + { \ + StaticField* sfield; \ + vdst = INST_AA(inst); \ + ref = FETCH(1); /* field ref */ \ + ILOGV("|sput%s v%d,sfield@0x%04x", (_opname), vdst, ref); \ + sfield = (StaticField*)dvmDexGetResolvedField(methodClassDex, ref); \ + if (sfield == NULL) { \ + EXPORT_PC(); \ + sfield = dvmResolveStaticField(curMethod->clazz, ref); \ + if (sfield == NULL) \ + GOTO_exceptionThrown(); \ + if (dvmDexGetResolvedField(methodClassDex, ref) == NULL) { \ + JIT_STUB_HACK(dvmJitEndTraceSelect(self,pc)); \ + } \ + } \ + dvmSetStaticField##_ftype(sfield, GET_REGISTER##_regsize(vdst)); \ + ILOGV("+ SPUT '%s'=0x%08llx", \ + sfield->field.name, (u8)GET_REGISTER##_regsize(vdst)); \ + } \ + FINISH(2); + +/* File: cstubs/enddefs.cpp */ + +/* undefine "magic" name remapping */ +#undef retval +#undef pc +#undef fp +#undef curMethod +#undef methodClassDex +#undef self +#undef debugTrackedRefStart + +/* File: armv5te/debug.cpp */ +#include <inttypes.h> + +/* + * Dump the fixed-purpose ARM registers, along with some other info. + * + * This function MUST be compiled in ARM mode -- THUMB will yield bogus + * results. + * + * This will NOT preserve r0-r3/ip. + */ +void dvmMterpDumpArmRegs(uint32_t r0, uint32_t r1, uint32_t r2, uint32_t r3) +{ + // TODO: Clang does not support asm declaration syntax. +#ifndef __clang__ + register uint32_t rPC asm("r4"); + register uint32_t rFP asm("r5"); + register uint32_t rSELF asm("r6"); + register uint32_t rINST asm("r7"); + register uint32_t rIBASE asm("r8"); + register uint32_t r9 asm("r9"); + register uint32_t r10 asm("r10"); + + //extern char dvmAsmInstructionStart[]; + + printf("REGS: r0=%08x r1=%08x r2=%08x r3=%08x\n", r0, r1, r2, r3); + printf(" : rPC=%08x rFP=%08x rSELF=%08x rINST=%08x\n", + rPC, rFP, rSELF, rINST); + printf(" : rIBASE=%08x r9=%08x r10=%08x\n", rIBASE, r9, r10); +#endif + + //Thread* self = (Thread*) rSELF; + //const Method* method = self->method; + printf(" + self is %p\n", dvmThreadSelf()); + //printf(" + currently in %s.%s %s\n", + // method->clazz->descriptor, method->name, method->shorty); + //printf(" + dvmAsmInstructionStart = %p\n", dvmAsmInstructionStart); + //printf(" + next handler for 0x%02x = %p\n", + // rINST & 0xff, dvmAsmInstructionStart + (rINST & 0xff) * 64); +} + +/* + * Dump the StackSaveArea for the specified frame pointer. + */ +void dvmDumpFp(void* fp, StackSaveArea* otherSaveArea) +{ + StackSaveArea* saveArea = SAVEAREA_FROM_FP(fp); + printf("StackSaveArea for fp %p [%p/%p]:\n", fp, saveArea, otherSaveArea); +#ifdef EASY_GDB + printf(" prevSave=%p, prevFrame=%p savedPc=%p meth=%p curPc=%p\n", + saveArea->prevSave, saveArea->prevFrame, saveArea->savedPc, + saveArea->method, saveArea->xtra.currentPc); +#else + printf(" prevFrame=%p savedPc=%p meth=%p curPc=%p fp[0]=0x%08x\n", + saveArea->prevFrame, saveArea->savedPc, + saveArea->method, saveArea->xtra.currentPc, + *(u4*)fp); +#endif +} + +/* + * Does the bulk of the work for common_printMethod(). + */ +void dvmMterpPrintMethod(Method* method) +{ + /* + * It is a direct (non-virtual) method if it is static, private, + * or a constructor. + */ + bool isDirect = + ((method->accessFlags & (ACC_STATIC|ACC_PRIVATE)) != 0) || + (method->name[0] == '<'); + + char* desc = dexProtoCopyMethodDescriptor(&method->prototype); + + printf("<%c:%s.%s %s> ", + isDirect ? 'D' : 'V', + method->clazz->descriptor, + method->name, + desc); + + free(desc); +} + |