1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * you may not use this file except in compliance with the License. 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * You may obtain a copy of the License at 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Common string pool for the profiler 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project#include "Hprof.h" 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectstatic HashTable *gStringHashTable; 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjecthprofStartup_String() 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project gStringHashTable = dvmHashTableCreate(512, free); 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (gStringHashTable == NULL) { 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return UNIQUE_ERROR(); 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return 0; 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjecthprofShutdown_String() 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashTableFree(gStringHashTable); 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return 0; 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectstatic u4 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjectcomputeUtf8Hash(const char *str) 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u4 hash = 0; 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project const char *cp; 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project char c; 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project cp = str; 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project while ((c = *cp++) != '\0') { 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project hash = hash * 31 + c; 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return hash; 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projecthprof_string_id 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjecthprofLookupStringId(const char *str) 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project void *val; 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project u4 hashValue; 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashTableLock(gStringHashTable); 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project hashValue = computeUtf8Hash(str); 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project val = dvmHashTableLookup(gStringHashTable, hashValue, (void *)str, 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (HashCompareFunc)strcmp, false); 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (val == NULL) { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project const char *newStr; 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project newStr = strdup(str); 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project val = dvmHashTableLookup(gStringHashTable, hashValue, (void *)newStr, 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project (HashCompareFunc)strcmp, true); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project assert(val != NULL); 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashTableUnlock(gStringHashTable); 76f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 77f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return (hprof_string_id)val; 78f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectint 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source ProjecthprofDumpStrings(hprof_context_t *ctx) 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project{ 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project HashIter iter; 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project hprof_record_t *rec = &ctx->curRec; 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int err; 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashTableLock(gStringHashTable); 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (err = 0, dvmHashIterBegin(gStringHashTable, &iter); 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err == 0 && !dvmHashIterDone(&iter); 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashIterNext(&iter)) 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project { 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err = hprofStartNewRecord(ctx, HPROF_TAG_STRING, HPROF_TIME); 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (err == 0) { 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project const char *str; 96f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 97f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project str = (const char *)dvmHashIterData(&iter); 98f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project assert(str != NULL); 99f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 100f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /* STRING format: 101f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 102f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * ID: ID for this string 103f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * [u1]*: UTF8 characters for string (NOT NULL terminated) 104f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the record format encodes the length) 105f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 106f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * We use the address of the string data as its ID. 107f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 108f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err = hprofAddU4ToRecord(rec, (u4)str); 109f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (err == 0) { 110f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project err = hprofAddUtf8StringToRecord(rec, str); 111f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 112f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 113f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 114f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 115f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dvmHashTableUnlock(gStringHashTable); 116f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 117f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return err; 118f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 119