Interp.c revision 7a0bcd0de6c4da6499a088a18d1750e51204c2a6
12ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 22ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 32ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 42ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 52ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * you may not use this file except in compliance with the License. 62ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * You may obtain a copy of the License at 72ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 82ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 92ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * See the License for the specific language governing permissions and 142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * limitations under the License. 152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 1689c1feb0a69a7707b271086e749975b3f7acacf7The Android Open Source Project 172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Main interpreter entry point and support functions. 192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * The entry point selects the "standard" or "debug" interpreter and 212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * facilitates switching between them. The standard interpreter may 222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * use the "fast" or "portable" implementation. 232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Some debugger support functions are included here. Ideally their 252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * entire existence would be "#ifdef WITH_DEBUGGER", but we're not that 262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * aggressive in other parts of the code yet. 272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#include "Dalvik.h" 292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#include "interp/InterpDefs.h" 302ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * =========================================================================== 342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Debugger support 352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * =========================================================================== 362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 3896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden// fwd 3996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic BreakpointSet* dvmBreakpointSetAlloc(void); 4096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetFree(BreakpointSet* pSet); 4196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 4396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Initialize global breakpoint structures. 4496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 4596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenbool dvmBreakpointStartup(void) 4696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 4796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#ifdef WITH_DEBUGGER 4896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden gDvm.breakpointSet = dvmBreakpointSetAlloc(); 4996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return (gDvm.breakpointSet != NULL); 5096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#else 5196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return true; 5296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#endif 5396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 5496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 5596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 5696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Free resources. 5796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 5896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenvoid dvmBreakpointShutdown(void) 5996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 6096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#ifdef WITH_DEBUGGER 6196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetFree(gDvm.breakpointSet); 6296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#endif 6396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 6496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 6596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 6696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#ifdef WITH_DEBUGGER 6796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 6896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * This represents a breakpoint inserted in the instruction stream. 692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The debugger may ask us to create the same breakpoint multiple times. 7196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * We only remove the breakpoint when the last instance is cleared. 7296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 7396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddentypedef struct { 7496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden u2* addr; /* absolute memory address */ 7596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden u1 originalOpCode; /* original 8-bit opcode value */ 7696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int setCount; /* #of times this breakpoint was set */ 7796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} Breakpoint; 7896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 7996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 8096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Set of breakpoints. 8196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 8296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstruct BreakpointSet { 8396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* grab lock before reading or writing anything else in here */ 8496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pthread_mutex_t lock; 8596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 8696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* vector of breakpoint structures */ 8796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int alloc; 8896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int count; 8996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* breakpoints; 9096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden}; 9196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 9296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 9396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Initialize a BreakpointSet. Initially empty. 9496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 9596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic BreakpointSet* dvmBreakpointSetAlloc(void) 9696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 9796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = (BreakpointSet*) calloc(1, sizeof(*pSet)); 9896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 9996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmInitMutex(&pSet->lock); 10096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* leave the rest zeroed -- will alloc on first use */ 10196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 10296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return pSet; 10396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 10496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 10596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 10696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Free storage associated with a BreakpointSet. 10796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 10896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetFree(BreakpointSet* pSet) 10996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 11096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pSet == NULL) 11196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return; 11296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 11396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden free(pSet->breakpoints); 11496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden free(pSet); 11596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 11696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 11796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 11896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Lock the breakpoint set. 11996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 12096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetLock(BreakpointSet* pSet) 12196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 12296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmLockMutex(&pSet->lock); 12396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 12496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 12596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 12696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Unlock the breakpoint set. 12796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 12896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetUnlock(BreakpointSet* pSet) 12996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 13096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmUnlockMutex(&pSet->lock); 13196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 13296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 13396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 13496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Return the #of breakpoints. 13596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 13696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic int dvmBreakpointSetCount(const BreakpointSet* pSet) 13796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 13896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return pSet->count; 13996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 14096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 14196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 14296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * See if we already have an entry for this address. 14396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 14496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 14596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 14696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Returns the index of the breakpoint entry, or -1 if not found. 14796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 14896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic int dvmBreakpointSetFind(const BreakpointSet* pSet, const u2* addr) 14996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 15096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int i; 15196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 15296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden for (i = 0; i < pSet->count; i++) { 15396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* pBreak = &pSet->breakpoints[i]; 15496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pBreak->addr == addr) 15596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return i; 15696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 15796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 15896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return -1; 15996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 16096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 16196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 16296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Retrieve the opcode that was originally at the specified location. 16396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 16496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 16596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 16696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Returns "true" with the opcode in *pOrig on success. 16796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 16896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic bool dvmBreakpointSetOriginalOpCode(const BreakpointSet* pSet, 16996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* addr, u1* pOrig) 17096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 17196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int idx = dvmBreakpointSetFind(pSet, addr); 17296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (idx < 0) 17396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return false; 17496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 17596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden *pOrig = pSet->breakpoints[idx].originalOpCode; 17696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return true; 17796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 17896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 17996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 18096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Add a breakpoint at a specific address. If the address is already 18196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * present in the table, this just increments the count. 18296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 18396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * For a new entry, this will extract and preserve the current opcode from 18496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * the instruction stream, and replace it with a breakpoint opcode. 18596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 18696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 18796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 18896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Returns "true" on success. 18996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 19096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic bool dvmBreakpointSetAdd(BreakpointSet* pSet, Method* method, 19196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden unsigned int instrOffset) 19296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 19396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const int kBreakpointGrowth = 10; 19496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* addr = method->insns + instrOffset; 19596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int idx = dvmBreakpointSetFind(pSet, addr); 19696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* pBreak; 19796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 19896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (idx < 0) { 19996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pSet->count == pSet->alloc) { 20096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int newSize = pSet->alloc + kBreakpointGrowth; 20196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* newVec; 20296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 20396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGV("+++ increasing breakpoint set size to %d\n", newSize); 20496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 20596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* pSet->breakpoints will be NULL on first entry */ 20696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden newVec = realloc(pSet->breakpoints, newSize * sizeof(Breakpoint)); 20796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (newVec == NULL) 20896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return false; 20996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 21096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pSet->breakpoints = newVec; 21196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pSet->alloc = newSize; 21296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 21396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 21496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak = &pSet->breakpoints[pSet->count++]; 21596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->addr = (u2*)addr; 21696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->originalOpCode = *(u1*)addr; 21796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->setCount = 1; 21896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 21996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* 22096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Change the opcode. We must ensure that the BreakpointSet 22196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * updates happen before we change the opcode. 22296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 22396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden MEM_BARRIER(); 22496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden assert(*(u1*)addr != OP_BREAKPOINT); 22596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmDexChangeDex1(method->clazz->pDvmDex, (u1*)addr, OP_BREAKPOINT); 22696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } else { 22796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak = &pSet->breakpoints[idx]; 22896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->setCount++; 22996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 23096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* verify instruction stream has break op */ 23196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden assert(*(u1*)addr == OP_BREAKPOINT); 23296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 23396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 23496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return true; 23596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 23696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 23796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 23896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Remove one instance of the specified breakpoint. When the count 23996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * reaches zero, the entry is removed from the table, and the original 24096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * opcode is restored. 24196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 24296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 24396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 24496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetRemove(BreakpointSet* pSet, Method* method, 24596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden unsigned int instrOffset) 24696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 24796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* addr = method->insns + instrOffset; 24896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int idx = dvmBreakpointSetFind(pSet, addr); 24996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 25096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (idx < 0) { 25196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* breakpoint not found in set -- unexpected */ 25296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (*(u1*)addr == OP_BREAKPOINT) { 25396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGE("Unable to restore breakpoint opcode (%s.%s +%u)\n", 25496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden method->clazz->descriptor, method->name, instrOffset); 25596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmAbort(); 25696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } else { 25796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGW("Breakpoint was already restored? (%s.%s +%u)\n", 25896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden method->clazz->descriptor, method->name, instrOffset); 25996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 26096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } else { 26196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* pBreak = &pSet->breakpoints[idx]; 26296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pBreak->setCount == 1) { 26396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* 26496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Must restore opcode before removing set entry. 26596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 26696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmDexChangeDex1(method->clazz->pDvmDex, (u1*)addr, 26796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->originalOpCode); 26896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden MEM_BARRIER(); 26996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 27096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (idx != pSet->count-1) { 27196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* shift down */ 27296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden memmove(&pSet->breakpoints[idx], &pSet->breakpoints[idx+1], 27396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden (pSet->count-1 - idx) * sizeof(pSet->breakpoints[0])); 27496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 27596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pSet->count--; 27696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pSet->breakpoints[pSet->count].addr = (u2*) 0xdecadead; // debug 27796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } else { 27896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->setCount--; 27996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden assert(pBreak->setCount > 0); 28096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 28196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 28296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 28396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 28496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 28596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Restore the original opcode on any breakpoints that are in the specified 28696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * method. The breakpoints are NOT removed from the set. 28796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 28896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 28996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 29096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetUndo(BreakpointSet* pSet, Method* method) 29196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 29296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* start = method->insns; 29396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* end = method->insns + dvmGetMethodInsnsSize(method); 29496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 29596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int i; 29696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden for (i = 0; i < pSet->count; i++) { 29796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* pBreak = &pSet->breakpoints[i]; 29896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pBreak->addr >= start && pBreak->addr < end) { 29996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGV("UNDO %s.%s [%d]\n", 30096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden method->clazz->descriptor, method->name, i); 30196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmDexChangeDex1(method->clazz->pDvmDex, (u1*)pBreak->addr, 30296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->originalOpCode); 30396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 30496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 30596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 30696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 30796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 30896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Put the breakpoint opcode back into the instruction stream, and check 30996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * to see if the original opcode has changed. 31096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 31196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * The BreakpointSet's lock must be acquired before calling here. 31296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 31396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenstatic void dvmBreakpointSetRedo(BreakpointSet* pSet, Method* method) 31496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 31596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* start = method->insns; 31696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden const u2* end = method->insns + dvmGetMethodInsnsSize(method); 31796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 31896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden int i; 31996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden for (i = 0; i < pSet->count; i++) { 32096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden Breakpoint* pBreak = &pSet->breakpoints[i]; 32196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pBreak->addr >= start && pBreak->addr < end) { 32296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGV("REDO %s.%s [%d]\n", 32396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden method->clazz->descriptor, method->name, i); 32496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden u1 currentOpCode = *(u1*)pBreak->addr; 32596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (pBreak->originalOpCode != currentOpCode) { 32696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* verifier can drop in a throw-verification-error */ 32796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGD("NOTE: updating originalOpCode from 0x%02x to 0x%02x\n", 32896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->originalOpCode, currentOpCode); 32996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden pBreak->originalOpCode = currentOpCode; 33096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 33196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmDexChangeDex1(method->clazz->pDvmDex, (u1*)pBreak->addr, 33296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden OP_BREAKPOINT); 33396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 33496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 33596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 33696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 33796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#endif /*WITH_DEBUGGER*/ 33896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 33996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 34096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 34196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Do any debugger-attach-time initialization. 3422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 3432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectvoid dvmInitBreakpoints(void) 3442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 3452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef WITH_DEBUGGER 34696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* quick sanity check */ 34796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 34896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetLock(pSet); 34996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (dvmBreakpointSetCount(pSet) != 0) { 35096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGW("WARNING: %d leftover breakpoints\n", dvmBreakpointSetCount(pSet)); 35196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* generally not good, but we can keep going */ 35296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 35396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUnlock(pSet); 3542ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 3552ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(false); 3562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 3572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 3582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 3592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 3602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Add an address to the list, putting it in the first non-empty slot. 3612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 3622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Sometimes the debugger likes to add two entries for one breakpoint. 3632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * We add two entries here, so that we get the right behavior when it's 3642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * removed twice. 3652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 3662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This will only be run from the JDWP thread, and it will happen while 3672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we are updating the event list, which is synchronized. We're guaranteed 3682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * to be the only one adding entries, and the lock ensures that nobody 3692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * will be trying to remove them while we're in here. 3702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 3712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * "addr" is the absolute address of the breakpoint bytecode. 3722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 37396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenvoid dvmAddBreakAddr(Method* method, unsigned int instrOffset) 3742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 3752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef WITH_DEBUGGER 37696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 37796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetLock(pSet); 37896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetAdd(pSet, method, instrOffset); 37996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUnlock(pSet); 3802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 3812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(false); 3822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 3832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 3842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 3852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 3862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Remove an address from the list by setting the entry to NULL. 3872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 3882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This can be called from the JDWP thread (because the debugger has 3892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * cancelled the breakpoint) or from an event thread (because it's a 3902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * single-shot breakpoint, e.g. "run to line"). We only get here as 3912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * the result of removing an entry from the event list, which is 3922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * synchronized, so it should not be possible for two threads to be 3932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * updating breakpoints at the same time. 3942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 39596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenvoid dvmClearBreakAddr(Method* method, unsigned int instrOffset) 3962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 3972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef WITH_DEBUGGER 39896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 39996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetLock(pSet); 40096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetRemove(pSet, method, instrOffset); 40196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUnlock(pSet); 4022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 4032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 4042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(false); 4052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 4062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 4072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 40896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#ifdef WITH_DEBUGGER 40996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 41096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Get the original opcode from under a breakpoint. 41196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 41296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenu1 dvmGetOriginalOpCode(const u2* addr) 41396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 41496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 41596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden u1 orig = 0; 41696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 41796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetLock(pSet); 41896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (!dvmBreakpointSetOriginalOpCode(pSet, addr, &orig)) { 41996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden orig = *(u1*)addr; 42096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden if (orig == OP_BREAKPOINT) { 42196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden LOGE("GLITCH: can't find breakpoint, opcode is still set\n"); 42296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmAbort(); 42396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 42496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden } 42596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUnlock(pSet); 42696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 42796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden return orig; 42896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 42996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 43096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 43196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Temporarily "undo" any breakpoints set in a specific method. Used 43296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * during verification. 43396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 43496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Locks the breakpoint set, and leaves it locked. 43596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 43696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenvoid dvmUndoBreakpoints(Method* method) 43796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 43896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 43996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 44096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetLock(pSet); 44196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUndo(pSet, method); 44296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* lock remains held */ 44396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 44496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 44596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden/* 44696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * "Redo" the breakpoints cleared by a previous "undo", re-inserting the 44796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * breakpoint opcodes and updating the "original opcode" values. 44896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * 44996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden * Unlocks the breakpoint set, which must be held by a previous "undo". 45096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden */ 45196516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFaddenvoid dvmRedoBreakpoints(Method* method) 45296516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden{ 45396516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden BreakpointSet* pSet = gDvm.breakpointSet; 45496516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 45596516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden /* lock already held */ 45696516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetRedo(pSet, method); 45796516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden dvmBreakpointSetUnlock(pSet); 45896516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden} 45996516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden#endif 46096516932f1557d8f48a8b2dbbb885af01a11ef6eAndy McFadden 4612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 4622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Add a single step event. Currently this is a global item. 4632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 4642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * We set up some initial values based on the thread's current state. This 4652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * won't work well if the thread is running, so it's up to the caller to 4662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * verify that it's suspended. 4672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 4682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This is only called from the JDWP thread. 4692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 4702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectbool dvmAddSingleStep(Thread* thread, int size, int depth) 4712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 4722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef WITH_DEBUGGER 4732ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project StepControl* pCtrl = &gDvm.stepControl; 4742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 4752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (pCtrl->active && thread != pCtrl->thread) { 4762ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGW("WARNING: single-step active for %p; adding %p\n", 4772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->thread, thread); 4782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 4792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 4802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Keep going, overwriting previous. This can happen if you 4812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * suspend a thread in Object.wait, hit the single-step key, then 4822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * switch to another thread and do the same thing again. 4832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * The first thread's step is still pending. 4842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 4852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * TODO: consider making single-step per-thread. Adds to the 4862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * overhead, but could be useful in rare situations. 4872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 4882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 4892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 4902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->size = size; 4912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->depth = depth; 4922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->thread = thread; 4932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 4942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 4952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * We may be stepping into or over method calls, or running until we 4962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * return from the current method. To make this work we need to track 4972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * the current line, current method, and current stack depth. We need 4982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * to be checking these after most instructions, notably those that 4992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * call methods, return from methods, or are on a different line from the 5002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * previous instruction. 5012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 5022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * We have to start with a snapshot of the current state. If we're in 5032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * an interpreted method, everything we need is in the current frame. If 5042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we're in a native method, possibly with some extra JNI frames pushed 5052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * on by PushLocalFrame, we want to use the topmost native method. 5062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 5072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const StackSaveArea* saveArea; 5082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project void* fp; 5092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project void* prevFp = NULL; 51038329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng 5112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project for (fp = thread->curFrame; fp != NULL; fp = saveArea->prevFrame) { 5122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const Method* method; 5132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project saveArea = SAVEAREA_FROM_FP(fp); 5152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project method = saveArea->method; 5162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (!dvmIsBreakFrame(fp) && !dvmIsNativeMethod(method)) 5182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 5192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project prevFp = fp; 5202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 5212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (fp == NULL) { 5222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGW("Unexpected: step req in native-only threadid=%d\n", 5232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project thread->threadId); 5242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return false; 5252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 5262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (prevFp != NULL) { 5272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 5282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * First interpreted frame wasn't the one at the bottom. Break 5292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * frames are only inserted when calling from native->interp, so we 5302ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * don't need to worry about one being here. 5312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 5322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGV("##### init step while in native method\n"); 5332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project fp = prevFp; 5342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(!dvmIsBreakFrame(fp)); 5352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(dvmIsNativeMethod(SAVEAREA_FROM_FP(fp)->method)); 5362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project saveArea = SAVEAREA_FROM_FP(fp); 5372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 5382ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 5402ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Pull the goodies out. "xtra.currentPc" should be accurate since 5412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we update it on every instruction while the debugger is connected. 5422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 5432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->method = saveArea->method; 5442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project // Clear out any old address set 5452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (pCtrl->pAddressSet != NULL) { 5462ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project // (discard const) 5472ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project free((void *)pCtrl->pAddressSet); 5482ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->pAddressSet = NULL; 5492ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 5502ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (dvmIsNativeMethod(pCtrl->method)) { 5512ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->line = -1; 5522ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } else { 5532ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->line = dvmLineNumFromPC(saveArea->method, 5542ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project saveArea->xtra.currentPc - saveArea->method->insns); 55538329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng pCtrl->pAddressSet 5562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project = dvmAddressSetForLine(saveArea->method, pCtrl->line); 5572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 5582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->frameDepth = dvmComputeVagueFrameDepth(thread, thread->curFrame); 5592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->active = true; 5602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGV("##### step init: thread=%p meth=%p '%s' line=%d frameDepth=%d depth=%s size=%s\n", 5622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->thread, pCtrl->method, pCtrl->method->name, 5632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project pCtrl->line, pCtrl->frameDepth, 5642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmJdwpStepDepthStr(pCtrl->depth), 5652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmJdwpStepSizeStr(pCtrl->size)); 5662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return true; 5682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 5692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(false); 5702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return false; 5712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 5722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 5732ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 5752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Disable a single step event. 5762ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 5772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectvoid dvmClearSingleStep(Thread* thread) 5782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 5792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef WITH_DEBUGGER 5802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project UNUSED_PARAMETER(thread); 5812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project gDvm.stepControl.active = false; 5832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 5842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(false); 5852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 5862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 5872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 5892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 5902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Recover the "this" pointer from the current interpreted method. "this" 5912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * is always in "in0" for non-static methods. 5922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 5932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * The "ins" start at (#of registers - #of ins). Note in0 != v0. 5942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 5952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This works because "dx" guarantees that it will work. It's probably 5962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * fairly common to have a virtual method that doesn't use its "this" 5972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * pointer, in which case we're potentially wasting a register. However, 5982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * the debugger doesn't treat "this" as just another argument. For 5992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * example, events (such as breakpoints) can be enabled for specific 6002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * values of "this". There is also a separate StackFrame.ThisObject call 6012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * in JDWP that is expected to work for any non-native non-static method. 6022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 6032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Because we need it when setting up debugger event filters, we want to 6042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * be able to do this quickly. 6052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 6062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source ProjectObject* dvmGetThisPtr(const Method* method, const u4* fp) 6072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 6082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (dvmIsStaticMethod(method)) 6092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return NULL; 6102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return (Object*)fp[method->registersSize - method->insSize]; 6112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 6122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if defined(WITH_TRACKREF_CHECKS) 6152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 6162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Verify that all internally-tracked references have been released. If 6172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * they haven't, print them and abort the VM. 6182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 6192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * "debugTrackedRefStart" indicates how many refs were on the list when 6202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we were first invoked. 6212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 6222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectvoid dvmInterpCheckTrackedRefs(Thread* self, const Method* method, 6232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int debugTrackedRefStart) 6242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 6252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (dvmReferenceTableEntries(&self->internalLocalRefTable) 6262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project != (size_t) debugTrackedRefStart) 6272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project { 6282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project char* desc; 6292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project Object** top; 6302ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int count; 6312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project count = dvmReferenceTableEntries(&self->internalLocalRefTable); 6332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGE("TRACK: unreleased internal reference (prev=%d total=%d)\n", 6352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project debugTrackedRefStart, count); 6362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project desc = dexProtoCopyMethodDescriptor(&method->prototype); 6372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGE(" current method is %s.%s %s\n", method->clazz->descriptor, 6382ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project method->name, desc); 6392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project free(desc); 6402ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project top = self->internalLocalRefTable.table + debugTrackedRefStart; 6412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project while (top < self->internalLocalRefTable.nextEntry) { 6422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGE(" %p (%s)\n", 6432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project *top, 6442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project ((*top)->clazz != NULL) ? (*top)->clazz->descriptor : ""); 6452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project top++; 6462ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6472ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmDumpThread(self, false); 6482ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6492ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmAbort(); 6502ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6512ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project //LOGI("TRACK OK\n"); 6522ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 6532ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 6542ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6552ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#ifdef LOG_INSTR 6572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 6582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Dump the v-registers. Sent to the ILOG log tag. 6592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 6602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectvoid dvmDumpRegs(const Method* method, const u4* framePtr, bool inOnly) 6612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 6622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int i, localCount; 6632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project localCount = method->registersSize - method->insSize; 6652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOG(LOG_VERBOSE, LOG_TAG"i", "Registers (fp=%p):\n", framePtr); 6672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project for (i = method->registersSize-1; i >= 0; i--) { 6682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (i >= localCount) { 6692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOG(LOG_VERBOSE, LOG_TAG"i", " v%-2d in%-2d : 0x%08x\n", 6702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project i, i-localCount, framePtr[i]); 6712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } else { 6722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (inOnly) { 6732ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOG(LOG_VERBOSE, LOG_TAG"i", " [...]\n"); 6742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 6752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6762ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const char* name = ""; 6772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int j; 6782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if 0 // "locals" structure has changed -- need to rewrite this 6792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project DexFile* pDexFile = method->clazz->pDexFile; 6802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const DexCode* pDexCode = dvmGetMethodCode(method); 6812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int localsSize = dexGetLocalsSize(pDexFile, pDexCode); 6822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const DexLocal* locals = dvmDexGetLocals(pDexFile, pDexCode); 6832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project for (j = 0; j < localsSize, j++) { 6842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (locals[j].registerNum == (u4) i) { 6852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project name = dvmDexStringStr(locals[j].pName); 6862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 6872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 6902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOG(LOG_VERBOSE, LOG_TAG"i", " v%-2d : 0x%08x %s\n", 6912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project i, framePtr[i], name); 6922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 6942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 6952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 6962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 6982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 6992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * =========================================================================== 7002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Entry point and general support functions 7012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * =========================================================================== 7022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 70438329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng/* 7052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Construct an s4 from two consecutive half-words of switch data. 7062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This needs to check endianness because the DEX optimizer only swaps 7072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * half-words in instruction stream. 7082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * "switchData" must be 32-bit aligned. 7102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if __BYTE_ORDER == __LITTLE_ENDIAN 7122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectstatic inline s4 s4FromSwitchData(const void* switchData) { 7132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return *(s4*) switchData; 7142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 7152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 7162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectstatic inline s4 s4FromSwitchData(const void* switchData) { 7172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project u2* data = switchData; 7182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return data[0] | (((s4) data[1]) << 16); 719ffa5c29a95ee5cb32c5bb4c46eccb5a57f5f493bJay Freeman (saurik)} 7202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 7212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 7232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Find the matching case. Returns the offset to the handler instructions. 7242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Returns 3 if we don't find a match (it's the size of the packed-switch 7262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * instruction). 7272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projects4 dvmInterpHandlePackedSwitch(const u2* switchData, s4 testVal) 7292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 7302ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const int kInstrLen = 3; 7312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project u2 size; 7322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project s4 firstKey; 7332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const s4* entries; 7342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 7362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Packed switch data format: 7372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort ident = 0x0100 magic value 7382ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort size number of entries in the table 7392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * int first_key first (and lowest) switch case value 7402ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * int targets[size] branch targets, relative to switch opcode 7412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Total size is (4+size*2) 16-bit code units. 7432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (*switchData++ != kPackedSwitchSignature) { 7452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* should have been caught by verifier */ 7462ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/InternalError;", 7472ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project "bad packed switch magic"); 7482ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return kInstrLen; 7492ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 7502ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7512ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project size = *switchData++; 7522ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(size > 0); 7532ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7542ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project firstKey = *switchData++; 7552ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project firstKey |= (*switchData++) << 16; 7562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (testVal < firstKey || testVal >= firstKey + size) { 7582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("Value %d not found in switch (%d-%d)\n", 7592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project testVal, firstKey, firstKey+size-1); 7602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return kInstrLen; 7612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 7622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* The entries are guaranteed to be aligned on a 32-bit boundary; 7642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we can treat them as a native int array. 7652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project entries = (const s4*) switchData; 7672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(((u4)entries & 0x3) == 0); 7682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(testVal - firstKey >= 0 && testVal - firstKey < size); 7702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("Value %d found in slot %d (goto 0x%02x)\n", 7712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project testVal, testVal - firstKey, 7722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project s4FromSwitchData(&entries[testVal - firstKey])); 7732ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return s4FromSwitchData(&entries[testVal - firstKey]); 7742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 7752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7762ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 7772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Find the matching case. Returns the offset to the handler instructions. 7782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Returns 3 if we don't find a match (it's the size of the sparse-switch 7802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * instruction). 7812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projects4 dvmInterpHandleSparseSwitch(const u2* switchData, s4 testVal) 7832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 7842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const int kInstrLen = 3; 7852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project u2 ident, size; 7862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const s4* keys; 7872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const s4* entries; 7882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 7902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Sparse switch data format: 7912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort ident = 0x0200 magic value 7922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort size number of entries in the table; > 0 7932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * int keys[size] keys, sorted low-to-high; 32-bit aligned 7942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * int targets[size] branch targets, relative to switch opcode 7952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 7962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Total size is (2+size*4) 16-bit code units. 7972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 7982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 7992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (*switchData++ != kSparseSwitchSignature) { 8002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* should have been caught by verifier */ 8012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/InternalError;", 8022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project "bad sparse switch magic"); 8032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return kInstrLen; 8042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 8052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 8062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project size = *switchData++; 8072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(size > 0); 80838329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng 8092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* The keys are guaranteed to be aligned on a 32-bit boundary; 8102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we can treat them as a native int array. 8112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 8122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project keys = (const s4*) switchData; 8132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(((u4)keys & 0x3) == 0); 8142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 8152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* The entries are guaranteed to be aligned on a 32-bit boundary; 8162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * we can treat them as a native int array. 8172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 8182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project entries = keys + size; 8192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(((u4)entries & 0x3) == 0); 8202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 8212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 82262f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden * Binary-search through the array of keys, which are guaranteed to 8232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * be sorted low-to-high. 8242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 82562f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden int lo = 0; 82662f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden int hi = size - 1; 82762f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden while (lo <= hi) { 82862f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden int mid = (lo + hi) >> 1; 82962f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden 83062f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden s4 foundVal = s4FromSwitchData(&keys[mid]); 83162f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden if (testVal < foundVal) { 83262f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden hi = mid - 1; 83362f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden } else if (testVal > foundVal) { 83462f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden lo = mid + 1; 83562f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden } else { 8362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("Value %d found in entry %d (goto 0x%02x)\n", 83762f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden testVal, mid, s4FromSwitchData(&entries[mid])); 83862f19157a87ed8a5f97b919b92728d9029cc3861Andy McFadden return s4FromSwitchData(&entries[mid]); 8392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 8402ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 8412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 8422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("Value %d not found in switch\n", testVal); 8432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return kInstrLen; 8442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 8452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 8462ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 8476f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * Copy data for a fill-array-data instruction. On a little-endian machine 8486f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * we can just do a memcpy(), on a big-endian system we have work to do. 8496f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * 8506f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * The trick here is that dexopt has byte-swapped each code unit, which is 8516f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * exactly what we want for short/char data. For byte data we need to undo 8526f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * the swap, and for 4- or 8-byte values we need to swap pieces within 8536f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * each word. 8546f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden */ 8556f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFaddenstatic void copySwappedArrayData(void* dest, const u2* src, u4 size, u2 width) 8566f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden{ 8576f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden#if __BYTE_ORDER == __LITTLE_ENDIAN 8586f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden memcpy(dest, src, size*width); 8596f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden#else 8606f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden int i; 8616f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden 8626f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden switch (width) { 8636f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden case 1: 8646f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden /* un-swap pairs of bytes as we go */ 8656f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden for (i = (size-1) & ~1; i >= 0; i -= 2) { 8666f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((u1*)dest)[i] = ((u1*)src)[i+1]; 8676f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((u1*)dest)[i+1] = ((u1*)src)[i]; 8686f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden } 8696f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden /* 8706f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * "src" is padded to end on a two-byte boundary, but we don't want to 8716f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden * assume "dest" is, so we handle odd length specially. 8726f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden */ 8736f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden if ((size & 1) != 0) { 8746f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((u1*)dest)[size-1] = ((u1*)src)[size]; 8756f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden } 8766f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden break; 8776f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden case 2: 8786f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden /* already swapped correctly */ 8796f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden memcpy(dest, src, size*width); 8806f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden break; 8816f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden case 4: 8826f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden /* swap word halves */ 8836f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden for (i = 0; i < (int) size; i++) { 8846f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((u4*)dest)[i] = (src[(i << 1) + 1] << 16) | src[i << 1]; 8856f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden } 8866f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden break; 8876f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden case 8: 8886f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden /* swap word halves and words */ 8896f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden for (i = 0; i < (int) (size << 1); i += 2) { 8906f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((int*)dest)[i] = (src[(i << 1) + 3] << 16) | src[(i << 1) + 2]; 8916f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden ((int*)dest)[i+1] = (src[(i << 1) + 1] << 16) | src[i << 1]; 8926f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden } 8936f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden break; 8946f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden default: 8956f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden LOGE("Unexpected width %d in copySwappedArrayData\n", width); 8966f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden dvmAbort(); 8976f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden break; 8986f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden } 8996f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden#endif 9006f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden} 9016f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden 9026f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden/* 9032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Fill the array with predefined constant values. 9042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 9052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Returns true if job is completed, otherwise false to indicate that 9062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * an exception has been thrown. 9072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 90889c1feb0a69a7707b271086e749975b3f7acacf7The Android Open Source Projectbool dvmInterpHandleFillArrayData(ArrayObject* arrayObj, const u2* arrayData) 9092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 9102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project u2 width; 9112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project u4 size; 9122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 91389c1feb0a69a7707b271086e749975b3f7acacf7The Android Open Source Project if (arrayObj == NULL) { 91489c1feb0a69a7707b271086e749975b3f7acacf7The Android Open Source Project dvmThrowException("Ljava/lang/NullPointerException;", NULL); 9152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return false; 9162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 91789c1feb0a69a7707b271086e749975b3f7acacf7The Android Open Source Project 9182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 9192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Array data table format: 9202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort ident = 0x0300 magic value 9212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ushort width width of each element in the table 9222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * uint size number of elements in the table 9232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * ubyte data[size*width] table of data values (may contain a single-byte 9242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * padding at the end) 9252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 9262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Total size is 4+(width * size + 1)/2 16-bit code units. 9272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 9282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (arrayData[0] != kArrayDataSignature) { 9292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/InternalError;", "bad array data magic"); 9302ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return false; 9312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project width = arrayData[1]; 9342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project size = arrayData[2] | (((u4)arrayData[3]) << 16); 9352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 936f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (size > arrayObj->length) { 9372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/ArrayIndexOutOfBoundsException;", NULL); 9382ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return false; 9392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9406f21450e1e5d43b7c210a989ac24bb445e7e29deAndy McFadden copySwappedArrayData(arrayObj->contents, &arrayData[4], size, width); 9412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return true; 9422ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 9432ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9442ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 9452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Find the concrete method that corresponds to "methodIdx". The code in 9462ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * "method" is executing invoke-method with "thisClass" as its first argument. 9472ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 9482ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Returns NULL with an exception raised on failure. 9492ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 9502ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source ProjectMethod* dvmInterpFindInterfaceMethod(ClassObject* thisClass, u4 methodIdx, 9512ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project const Method* method, DvmDex* methodClassDex) 9522ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 9532ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project Method* absMethod; 9542ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project Method* methodToCall; 9552ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project int i, vtableIndex; 9562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 9582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Resolve the method. This gives us the abstract method from the 9592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * interface class declaration. 9602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 9612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project absMethod = dvmDexGetResolvedMethod(methodClassDex, methodIdx); 9622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (absMethod == NULL) { 9632ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project absMethod = dvmResolveInterfaceMethod(method->clazz, methodIdx); 9642ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (absMethod == NULL) { 9652ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGV("+ unknown method\n"); 9662ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return NULL; 9672ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9682ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9692ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9702ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* make sure absMethod->methodIndex means what we think it means */ 9712ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(dvmIsAbstractMethod(absMethod)); 9722ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9732ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 9742ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Run through the "this" object's iftable. Find the entry for 9752ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * absMethod's class, then use absMethod->methodIndex to find 9762ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * the method's entry. The value there is the offset into our 9772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * vtable of the actual method to execute. 9782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 9792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * The verifier does not guarantee that objects stored into 9802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * interface references actually implement the interface, so this 9812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * check cannot be eliminated. 9822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 9832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project for (i = 0; i < thisClass->iftableCount; i++) { 9842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (thisClass->iftable[i].clazz == absMethod->clazz) 9852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 9862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (i == thisClass->iftableCount) { 9882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* impossible in verified DEX, need to check for it in unverified */ 9892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/IncompatibleClassChangeError;", 9902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project "interface not implemented"); 9912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return NULL; 9922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 9932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(absMethod->methodIndex < 9952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project thisClass->iftable[i].clazz->virtualMethodCount); 9962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 9972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project vtableIndex = 9982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project thisClass->iftable[i].methodIndexArray[absMethod->methodIndex]; 9992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(vtableIndex >= 0 && vtableIndex < thisClass->vtableCount); 10002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project methodToCall = thisClass->vtable[vtableIndex]; 10012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 10022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if 0 10032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* this can happen when there's a stale class file */ 10042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (dvmIsAbstractMethod(methodToCall)) { 10052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmThrowException("Ljava/lang/AbstractMethodError;", 10062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project "interface method not implemented"); 10072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return NULL; 10082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 10092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#else 10102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(!dvmIsAbstractMethod(methodToCall) || 10112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project methodToCall->nativeFunc != NULL); 10122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 10132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 10142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("+++ interface=%s.%s concrete=%s.%s\n", 10152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project absMethod->clazz->descriptor, absMethod->name, 10162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project methodToCall->clazz->descriptor, methodToCall->name); 10172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(methodToCall != NULL); 10182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 10192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project return methodToCall; 10202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 10212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 10222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 1023b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1024b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden/* 1025b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden * Helpers for dvmThrowVerificationError(). 1026b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden * 1027b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden * Each returns a newly-allocated string. 1028b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden */ 1029b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden#define kThrowShow_accessFromClass 1 1030af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFaddenstatic char* classNameFromIndex(const Method* method, int ref, 1031af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden VerifyErrorRefType refType, int flags) 1032b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden{ 1033b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden static const int kBufLen = 256; 1034b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const DvmDex* pDvmDex = method->clazz->pDvmDex; 1035af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden 1036af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden if (refType == VERIFY_ERROR_REF_FIELD) { 1037af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden /* get class ID from field ID */ 1038af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden const DexFieldId* pFieldId = dexGetFieldId(pDvmDex->pDexFile, ref); 1039af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden ref = pFieldId->classIdx; 1040af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden } else if (refType == VERIFY_ERROR_REF_METHOD) { 1041af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden /* get class ID from method ID */ 1042af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden const DexMethodId* pMethodId = dexGetMethodId(pDvmDex->pDexFile, ref); 1043af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden ref = pMethodId->classIdx; 1044af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden } 1045af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden 1046b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* className = dexStringByTypeIdx(pDvmDex->pDexFile, ref); 1047b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotClassName = dvmDescriptorToDot(className); 1048b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden if (flags == 0) 1049b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden return dotClassName; 1050b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1051b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* result = (char*) malloc(kBufLen); 1052b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1053b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden if ((flags & kThrowShow_accessFromClass) != 0) { 1054b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotFromName = dvmDescriptorToDot(method->clazz->descriptor); 1055b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden snprintf(result, kBufLen, "tried to access class %s from class %s", 1056b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden dotClassName, dotFromName); 1057b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotFromName); 1058b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } else { 1059b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden assert(false); // should've been caught above 1060b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden result[0] = '\0'; 1061b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } 1062b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1063b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotClassName); 1064b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden return result; 1065b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden} 1066af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFaddenstatic char* fieldNameFromIndex(const Method* method, int ref, 1067af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden VerifyErrorRefType refType, int flags) 1068b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden{ 1069b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden static const int kBufLen = 256; 1070b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const DvmDex* pDvmDex = method->clazz->pDvmDex; 1071b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const DexFieldId* pFieldId; 1072b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* className; 1073b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* fieldName; 1074b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1075af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden if (refType != VERIFY_ERROR_REF_FIELD) { 1076af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden LOGW("Expected ref type %d, got %d\n", VERIFY_ERROR_REF_FIELD, refType); 1077af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden return NULL; /* no message */ 1078af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden } 1079af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden 1080b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden pFieldId = dexGetFieldId(pDvmDex->pDexFile, ref); 1081b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden className = dexStringByTypeIdx(pDvmDex->pDexFile, pFieldId->classIdx); 1082b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden fieldName = dexStringById(pDvmDex->pDexFile, pFieldId->nameIdx); 1083b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1084b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotName = dvmDescriptorToDot(className); 1085b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* result = (char*) malloc(kBufLen); 1086b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1087b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden if ((flags & kThrowShow_accessFromClass) != 0) { 1088b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotFromName = dvmDescriptorToDot(method->clazz->descriptor); 1089b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden snprintf(result, kBufLen, "tried to access field %s.%s from class %s", 1090b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden dotName, fieldName, dotFromName); 1091b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotFromName); 1092b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } else { 1093b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden snprintf(result, kBufLen, "%s.%s", dotName, fieldName); 1094b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } 1095b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1096b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotName); 1097b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden return result; 1098b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden} 1099af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFaddenstatic char* methodNameFromIndex(const Method* method, int ref, 1100af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden VerifyErrorRefType refType, int flags) 1101b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden{ 1102b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden static const int kBufLen = 384; 1103b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const DvmDex* pDvmDex = method->clazz->pDvmDex; 1104b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const DexMethodId* pMethodId; 1105b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* className; 1106b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* methodName; 1107b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1108af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden if (refType != VERIFY_ERROR_REF_METHOD) { 1109af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden LOGW("Expected ref type %d, got %d\n", VERIFY_ERROR_REF_METHOD,refType); 1110af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden return NULL; /* no message */ 1111af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden } 1112af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden 1113b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden pMethodId = dexGetMethodId(pDvmDex->pDexFile, ref); 1114b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden className = dexStringByTypeIdx(pDvmDex->pDexFile, pMethodId->classIdx); 1115b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden methodName = dexStringById(pDvmDex->pDexFile, pMethodId->nameIdx); 1116b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1117b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotName = dvmDescriptorToDot(className); 1118b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* result = (char*) malloc(kBufLen); 1119b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1120b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden if ((flags & kThrowShow_accessFromClass) != 0) { 1121b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* dotFromName = dvmDescriptorToDot(method->clazz->descriptor); 1122b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* desc = dexProtoCopyMethodDescriptor(&method->prototype); 1123b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden snprintf(result, kBufLen, 1124b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden "tried to access method %s.%s:%s from class %s", 1125b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden dotName, methodName, desc, dotFromName); 1126b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotFromName); 1127b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(desc); 1128b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } else { 1129b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden snprintf(result, kBufLen, "%s.%s", dotName, methodName); 1130b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } 1131b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1132b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(dotName); 1133b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden return result; 1134b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden} 1135b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 11362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project/* 11373a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden * Throw an exception for a problem identified by the verifier. 11383a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden * 11393a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden * This is used by the invoke-verification-error instruction. It always 11403a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden * throws an exception. 11413a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden * 1142af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden * "kind" indicates the kind of failure encountered by the verifier. It 1143af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden * has two parts, an error code and an indication of the reference type. 11443a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden */ 1145b51ea11c70602918c42764bfafe92a997d3b1803Andy McFaddenvoid dvmThrowVerificationError(const Method* method, int kind, int ref) 11463a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden{ 1147af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden const int typeMask = 0xff << kVerifyErrorRefTypeShift; 1148af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden VerifyError errorKind = kind & ~typeMask; 1149af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden VerifyErrorRefType refType = kind >> kVerifyErrorRefTypeShift; 1150b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden const char* exceptionName = "Ljava/lang/VerifyError;"; 1151b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden char* msg = NULL; 1152b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1153af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden switch ((VerifyError) errorKind) { 1154b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_NO_CLASS: 1155b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/NoClassDefFoundError;"; 1156af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = classNameFromIndex(method, ref, refType, 0); 1157b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1158b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_NO_FIELD: 1159b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/NoSuchFieldError;"; 1160af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = fieldNameFromIndex(method, ref, refType, 0); 1161b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1162b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_NO_METHOD: 1163b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/NoSuchMethodError;"; 1164af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = methodNameFromIndex(method, ref, refType, 0); 1165b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1166b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_ACCESS_CLASS: 1167b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/IllegalAccessError;"; 1168af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = classNameFromIndex(method, ref, refType, 1169af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden kThrowShow_accessFromClass); 1170b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1171b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_ACCESS_FIELD: 1172b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/IllegalAccessError;"; 1173af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = fieldNameFromIndex(method, ref, refType, 1174af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden kThrowShow_accessFromClass); 1175b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1176b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_ACCESS_METHOD: 1177b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/IllegalAccessError;"; 1178af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = methodNameFromIndex(method, ref, refType, 1179af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden kThrowShow_accessFromClass); 1180b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1181b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_CLASS_CHANGE: 1182b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/IncompatibleClassChangeError;"; 1183af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = classNameFromIndex(method, ref, refType, 0); 1184b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1185b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_INSTANTIATION: 1186b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden exceptionName = "Ljava/lang/InstantiationError;"; 1187af0e838887d3a2fa76e0d2716e39adf2bb0c01a1Andy McFadden msg = classNameFromIndex(method, ref, refType, 0); 1188b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1189b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1190b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_GENERIC: 1191b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden /* generic VerifyError; use default exception, no message */ 1192b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1193b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden case VERIFY_ERROR_NONE: 1194b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden /* should never happen; use default exception */ 1195b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden assert(false); 1196b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden msg = strdup("weird - no error specified"); 1197b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden break; 1198b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1199b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden /* no default clause -- want warning if enum updated */ 1200b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden } 1201b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden 1202b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden dvmThrowException(exceptionName, msg); 1203b51ea11c70602918c42764bfafe92a997d3b1803Andy McFadden free(msg); 12043a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden} 12053a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden 12063a1aedbc9777eab6275a360b93b81b079464238eAndy McFadden/* 12072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Main interpreter loop entry point. Select "standard" or "debug" 12082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * interpreter and switch between them as required. 12092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 12102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * This begins executing code at the start of "method". On exit, "pResult" 12112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * holds the return value of the method (or, if "method" returns NULL, it 12122ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * holds an undefined value). 12132ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 12142ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * The interpreted stack frame, which holds the method arguments, has 12152ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * already been set up. 12162ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 12172ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Projectvoid dvmInterpret(Thread* self, const Method* method, JValue* pResult) 12182ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project{ 12192ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project InterpState interpState; 12202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project bool change; 1221ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#if defined(WITH_JIT) 1222342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee /* Target-specific save/restore */ 1223342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee extern void dvmJitCalleeSave(double *saveArea); 1224342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee extern void dvmJitCalleeRestore(double *saveArea); 1225ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Interpreter entry points from compiled code */ 1226ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmJitToInterpNormal(); 1227ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmJitToInterpNoChain(); 1228ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmJitToInterpPunt(); 1229ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmJitToInterpSingleStep(); 1230ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmJitToTraceSelect(); 123138329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng extern void dvmJitToPatchPredictedChain(); 123297319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao#if defined(WITH_SELF_VERIFICATION) 123397319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao extern void dvmJitToBackwardBranch(); 123497319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao#endif 1235ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 123638329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng /* 1237ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Reserve a static entity here to quickly setup runtime contents as 1238ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * gcc will issue block copy instructions. 1239ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng */ 1240ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng static struct JitToInterpEntries jitToInterpEntries = { 1241ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmJitToInterpNormal, 1242ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmJitToInterpNoChain, 1243ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmJitToInterpPunt, 1244ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmJitToInterpSingleStep, 1245ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmJitToTraceSelect, 124638329f5678fd7a4879528b02a0ab60322d38a897Ben Cheng dvmJitToPatchPredictedChain, 124797319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao#if defined(WITH_SELF_VERIFICATION) 124897319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao dvmJitToBackwardBranch, 124997319a8a234e9fe1cf90ca39aa6eca37d729afd5Jeff Hao#endif 1250ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng }; 12517a0bcd0de6c4da6499a088a18d1750e51204c2a6Ben Cheng 12527a0bcd0de6c4da6499a088a18d1750e51204c2a6Ben Cheng assert(self->inJitCodeCache == NULL); 1253ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#endif 1254ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 12552ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 12562ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if defined(WITH_TRACKREF_CHECKS) 12572ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.debugTrackedRefStart = 12582ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmReferenceTableEntries(&self->internalLocalRefTable); 12592ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 12602ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#if defined(WITH_PROFILER) || defined(WITH_DEBUGGER) 12612ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.debugIsMethodEntry = true; 12622ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 1263ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#if defined(WITH_JIT) 1264342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee dvmJitCalleeSave(interpState.calleeSave); 1265ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng interpState.jitState = gDvmJit.pJitEntryTable ? kJitNormal : kJitOff; 1266ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 1267ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Setup the Jit-to-interpreter entry points */ 1268ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng interpState.jitToInterpEntries = jitToInterpEntries; 126948f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee 127048f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee /* 127148f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee * Initialize the threshold filter [don't bother to zero out the 127248f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee * actual table. We're looking for matches, and an occasional 127348f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee * false positive is acceptible. 127448f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee */ 127548f1824fd36241067e7bed2302cc00b2d880be7fBill Buzbee interpState.lastThreshFilter = 0; 1276ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#endif 12772ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 12782ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 12792ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Initialize working state. 12802ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * 12812ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * No need to initialize "retval". 12822ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 12832ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.method = method; 12842ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.fp = (u4*) self->curFrame; 12852ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.pc = method->insns; 12862ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.entryPoint = kInterpEntryInstr; 12872ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 12882ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (dvmDebuggerOrProfilerActive()) 12892ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.nextMode = INTERP_DBG; 12902ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project else 12912ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project interpState.nextMode = INTERP_STD; 12922ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 12932ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project assert(!dvmIsNativeMethod(method)); 12942ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 12952ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project /* 12962ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * Make sure the class is ready to go. Shouldn't be possible to get 12972ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project * here otherwise. 12982ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project */ 12992ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (method->clazz->status < CLASS_INITIALIZING || 13002ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project method->clazz->status == CLASS_ERROR) 13012ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project { 13022ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGE("ERROR: tried to execute code in unprepared class '%s' (%d)\n", 13032ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project method->clazz->descriptor, method->clazz->status); 13042ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmDumpThread(self, false); 13052ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmAbort(); 13062ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 13072ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 13082ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project typedef bool (*Interpreter)(Thread*, InterpState*); 13092ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project Interpreter stdInterp; 13102ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project if (gDvm.executionMode == kExecutionModeInterpFast) 13112ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project stdInterp = dvmMterpStd; 1312ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#if defined(WITH_JIT) 1313ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng else if (gDvm.executionMode == kExecutionModeJit) 1314ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng/* If profiling overhead can be kept low enough, we can use a profiling 1315ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * mterp fast for both Jit and "fast" modes. If overhead is too high, 1316ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * create a specialized profiling interpreter. 1317ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng */ 1318ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng stdInterp = dvmMterpStd; 1319ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#endif 13202ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project else 13212ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project stdInterp = dvmInterpretStd; 13222ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 13232ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project change = true; 13242ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project while (change) { 13252ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project switch (interpState.nextMode) { 13262ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project case INTERP_STD: 13272ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("threadid=%d: interp STD\n", self->threadId); 13282ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project change = (*stdInterp)(self, &interpState); 13292ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 1330ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#if defined(WITH_PROFILER) || defined(WITH_DEBUGGER) || defined(WITH_JIT) 13312ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project case INTERP_DBG: 13322ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project LOGVV("threadid=%d: interp DBG\n", self->threadId); 13332ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project change = dvmInterpretDbg(self, &interpState); 13342ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project break; 13352ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project#endif 13362ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project default: 13372ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project dvmAbort(); 13382ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 13392ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project } 13402ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project 13412ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project *pResult = interpState.retval; 1342342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee#if defined(WITH_JIT) 1343342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee dvmJitCalleeRestore(interpState.calleeSave); 1344342806dae77556290dfe0760e6fe3117d812c7baBill Buzbee#endif 13452ad60cfc28e14ee8f0bb038720836a4696c478aThe Android Open Source Project} 1346