Compiler.cpp revision ccd6c0102d1f898aaea1c94761167fdd083b5275
1ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng/* 2ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Copyright (C) 2009 The Android Open Source Project 3ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * 4ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Licensed under the Apache License, Version 2.0 (the "License"); 5ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * you may not use this file except in compliance with the License. 6ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * You may obtain a copy of the License at 7ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * 8ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * http://www.apache.org/licenses/LICENSE-2.0 9ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * 10ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Unless required by applicable law or agreed to in writing, software 11ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * distributed under the License is distributed on an "AS IS" BASIS, 12ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * See the License for the specific language governing permissions and 14ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * limitations under the License. 15ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng */ 16ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 17ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#include <sys/mman.h> 18ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#include <errno.h> 19ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 20ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#include "Dalvik.h" 21ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#include "interp/Jit.h" 22ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng#include "CompilerInternals.h" 23ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 24ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengstatic inline bool workQueueLength(void) 25ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 26ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return gDvmJit.compilerQueueLength; 27ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 28ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 29ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengstatic CompilerWorkOrder workDequeue(void) 30ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 31ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng assert(gDvmJit.compilerWorkQueue[gDvmJit.compilerWorkDequeueIndex].kind 32ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng != kWorkOrderInvalid); 33ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng CompilerWorkOrder work = 34ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkQueue[gDvmJit.compilerWorkDequeueIndex]; 35ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkQueue[gDvmJit.compilerWorkDequeueIndex++].kind = 36ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng kWorkOrderInvalid; 37ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerWorkDequeueIndex == COMPILER_WORK_QUEUE_SIZE) { 38ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkDequeueIndex = 0; 39ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 40ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerQueueLength--; 41ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 42ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Remember the high water mark of the queue length */ 43ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerQueueLength > gDvmJit.compilerMaxQueued) 44ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerMaxQueued = gDvmJit.compilerQueueLength; 45ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 46ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return work; 47ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 48ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 49ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengbool dvmCompilerWorkEnqueue(const u2 *pc, WorkOrderKind kind, void* info) 50ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 51ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng int cc; 52ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng int i; 53ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng int numWork; 54ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 55ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 56ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 57ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Queue full */ 58ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerQueueLength == COMPILER_WORK_QUEUE_SIZE || 59ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.codeCacheFull == true) { 60ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 61ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return false; 62ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 63ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 64ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng for (numWork = gDvmJit.compilerQueueLength, 65ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng i = gDvmJit.compilerWorkDequeueIndex; 66ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng numWork > 0; 67ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng numWork--) { 68ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Already enqueued */ 69ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerWorkQueue[i++].pc == pc) 70ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng goto done; 71ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Wrap around */ 72ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (i == COMPILER_WORK_QUEUE_SIZE) 73ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng i = 0; 74ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 75ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 76ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng CompilerWorkOrder *newOrder = 77ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng &gDvmJit.compilerWorkQueue[gDvmJit.compilerWorkEnqueueIndex]; 78ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng newOrder->pc = pc; 79ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng newOrder->kind = kind; 80ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng newOrder->info = info; 81ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng newOrder->result.codeAddress = NULL; 82ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng newOrder->result.discardResult = 83ccd6c0102d1f898aaea1c94761167fdd083b5275Ben Cheng (kind == kWorkOrderTraceDebug) ? true : false; 84ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkEnqueueIndex++; 85ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerWorkEnqueueIndex == COMPILER_WORK_QUEUE_SIZE) 86ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkEnqueueIndex = 0; 87ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerQueueLength++; 88ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng cc = pthread_cond_signal(&gDvmJit.compilerQueueActivity); 89ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng assert(cc == 0); 90ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 91ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengdone: 92ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 93ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return true; 94ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 95ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 96ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng/* Block until queue length is 0 */ 97ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengvoid dvmCompilerDrainQueue(void) 98ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 99ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 100ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng while (workQueueLength() != 0 && !gDvmJit.haltCompilerThread) { 101ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_wait(&gDvmJit.compilerQueueEmpty, &gDvmJit.compilerLock); 102ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 103ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 104ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 105ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 106ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengstatic void *compilerThreadStart(void *arg) 107ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 1085ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng dvmChangeStatus(NULL, THREAD_VMWAIT); 1095ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng 110ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 111ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* 112ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Since the compiler thread will not touch any objects on the heap once 113ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * being created, we just fake its state as VMWAIT so that it can be a 114ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * bit late when there is suspend request pending. 115ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng */ 116ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng while (!gDvmJit.haltCompilerThread) { 117ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (workQueueLength() == 0) { 118ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng int cc; 119ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng cc = pthread_cond_signal(&gDvmJit.compilerQueueEmpty); 120ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng assert(cc == 0); 121ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_wait(&gDvmJit.compilerQueueActivity, 122ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng &gDvmJit.compilerLock); 123ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng continue; 124ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } else { 125ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng do { 126ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng CompilerWorkOrder work = workDequeue(); 127ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 128ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Check whether there is a suspend request on me */ 129ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmCheckSuspendPending(NULL); 1302717622484eb0f7ad537275f7260b2f93324eda2Bill Buzbee /* Is JitTable filling up? */ 1312717622484eb0f7ad537275f7260b2f93324eda2Bill Buzbee if (gDvmJit.jitTableEntriesUsed > 1322717622484eb0f7ad537275f7260b2f93324eda2Bill Buzbee (gDvmJit.jitTableSize - gDvmJit.jitTableSize/4)) { 1332717622484eb0f7ad537275f7260b2f93324eda2Bill Buzbee dvmJitResizeJitTable(gDvmJit.jitTableSize * 2); 1342717622484eb0f7ad537275f7260b2f93324eda2Bill Buzbee } 135ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.haltCompilerThread) { 136ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng LOGD("Compiler shutdown in progress - discarding request"); 137ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } else { 138ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Compilation is successful */ 139716f120d7f33ca18a5dcbef811399df0cbefe5d0Bill Buzbee if (dvmCompilerDoWork(&work)) { 140716f120d7f33ca18a5dcbef811399df0cbefe5d0Bill Buzbee dvmJitSetCodeAddr(work.pc, work.result.codeAddress, 141716f120d7f33ca18a5dcbef811399df0cbefe5d0Bill Buzbee work.result.instructionSet); 142ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 143ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 144ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng free(work.info); 145ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 146ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } while (workQueueLength() != 0); 147ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 148ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 149ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_signal(&gDvmJit.compilerQueueEmpty); 150ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 151ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng 1525ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng /* 1535ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng * As part of detaching the thread we need to call into Java code to update 1545ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng * the ThreadGroup, and we should not be in VMWAIT state while executing 1555ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng * interpreted code. 1565ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng */ 1575ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng dvmChangeStatus(NULL, THREAD_RUNNING); 1585ccdf0be4b448c98b595444a77dbaa21471ad1b1Ben Cheng 159ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng LOGD("Compiler thread shutting down\n"); 160ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return NULL; 161ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 162ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 163ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengbool dvmCompilerSetupCodeCache(void) 164ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 165ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dvmCompilerTemplateStart(void); 166ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng extern void dmvCompilerTemplateEnd(void); 167ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 168ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Allocate the code cache */ 169ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.codeCache = mmap(0, CODE_CACHE_SIZE, 170ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng PROT_READ | PROT_WRITE | PROT_EXEC, 171cede69b8119b7091bf2a660b72f9a5568a451ff0Dan Bornstein MAP_PRIVATE | MAP_ANON, -1, 0); 172ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.codeCache == MAP_FAILED) { 173ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng LOGE("Failed to create the code cache: %s\n", strerror(errno)); 174ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return false; 175ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 176ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 177ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Copy the template code into the beginning of the code cache */ 178ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng int templateSize = (intptr_t) dmvCompilerTemplateEnd - 179ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng (intptr_t) dvmCompilerTemplateStart; 180ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng memcpy((void *) gDvmJit.codeCache, 181ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng (void *) dvmCompilerTemplateStart, 182ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng templateSize); 1838b258bfd8562edf1306ea6a5642595186f1f3f36Ben Cheng 1848b258bfd8562edf1306ea6a5642595186f1f3f36Ben Cheng gDvmJit.templateSize = templateSize; 185ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.codeCacheByteUsed = templateSize; 186ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 187ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Flush dcache and invalidate the icache to maintain coherence */ 188ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng cacheflush((intptr_t) gDvmJit.codeCache, 189ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng (intptr_t) gDvmJit.codeCache + CODE_CACHE_SIZE, 0); 190ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return true; 191ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 192ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 193ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengbool dvmCompilerStartup(void) 194ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 195ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Make sure the BBType enum is in sane state */ 1961efc9c5e4c5c4c2fccde18e5771c68d064c33bd3Ben Cheng assert(CHAINING_CELL_NORMAL == 0); 197ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 198ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Architecture-specific chores to initialize */ 199ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (!dvmCompilerArchInit()) 200ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng goto fail; 201ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 202ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* 203ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * Setup the code cache if it is not done so already. For apps it should be 204ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * done by the Zygote already, but for command-line dalvikvm invocation we 205ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng * need to do it here. 206ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng */ 207ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.codeCache == NULL) { 208ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (!dvmCompilerSetupCodeCache()) 209ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng goto fail; 210ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 211ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 212ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Allocate the initial arena block */ 213ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (dvmCompilerHeapInit() == false) { 214ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng goto fail; 215ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 216ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 217ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmInitMutex(&gDvmJit.compilerLock); 218ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_init(&gDvmJit.compilerQueueActivity, NULL); 219ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_init(&gDvmJit.compilerQueueEmpty, NULL); 220ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 221ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 222ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 223ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.haltCompilerThread = false; 224ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 225ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng /* Reset the work queue */ 226ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng memset(gDvmJit.compilerWorkQueue, 0, 227ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng sizeof(CompilerWorkOrder) * COMPILER_WORK_QUEUE_SIZE); 228ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerWorkEnqueueIndex = gDvmJit.compilerWorkDequeueIndex = 0; 229ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerQueueLength = 0; 230ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.compilerHighWater = 231ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng COMPILER_WORK_QUEUE_SIZE - (COMPILER_WORK_QUEUE_SIZE/4); 232ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 233ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng assert(gDvmJit.compilerHighWater < COMPILER_WORK_QUEUE_SIZE); 234ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (!dvmCreateInternalThread(&gDvmJit.compilerHandle, "Compiler", 235ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng compilerThreadStart, NULL)) { 236ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 237ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng goto fail; 238ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 239ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 2408b258bfd8562edf1306ea6a5642595186f1f3f36Ben Cheng /* Track method-level compilation statistics */ 2418b258bfd8562edf1306ea6a5642595186f1f3f36Ben Cheng gDvmJit.methodStatsTable = dvmHashTableCreate(32, NULL); 2428b258bfd8562edf1306ea6a5642595186f1f3f36Ben Cheng 243ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 244ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 245ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return true; 246ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 247ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengfail: 248ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng return false; 249ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 250ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 251ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Chengvoid dvmCompilerShutdown(void) 252ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng{ 253ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng void *threadReturn; 254ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 255ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng if (gDvmJit.compilerHandle) { 256ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 257ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng gDvmJit.haltCompilerThread = true; 258ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 259ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmLockMutex(&gDvmJit.compilerLock); 260ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng pthread_cond_signal(&gDvmJit.compilerQueueActivity); 261ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng dvmUnlockMutex(&gDvmJit.compilerLock); 262ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng 263ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng if (pthread_join(gDvmJit.compilerHandle, &threadReturn) != 0) 264ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng LOGW("Compiler thread join failed\n"); 265ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng else 266ef00a85e7f148f044b14942aa09204e2d0d72738Ben Cheng LOGD("Compiler thread has shut down\n"); 267ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng } 268ba4fc8bfc1bccae048403bd1cea3b869dca61dd7Ben Cheng} 269