1// Copyright 2010 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28#ifndef V8_PROFILE_GENERATOR_INL_H_ 29#define V8_PROFILE_GENERATOR_INL_H_ 30 31#include "profile-generator.h" 32 33namespace v8 { 34namespace internal { 35 36const char* StringsStorage::GetFunctionName(String* name) { 37 return GetFunctionName(GetName(name)); 38} 39 40 41const char* StringsStorage::GetFunctionName(const char* name) { 42 return strlen(name) > 0 ? name : ProfileGenerator::kAnonymousFunctionName; 43} 44 45 46CodeEntry::CodeEntry(Logger::LogEventsAndTags tag, 47 const char* name_prefix, 48 const char* name, 49 const char* resource_name, 50 int line_number, 51 int security_token_id) 52 : tag_(tag), 53 name_prefix_(name_prefix), 54 name_(name), 55 resource_name_(resource_name), 56 line_number_(line_number), 57 shared_id_(0), 58 security_token_id_(security_token_id) { 59} 60 61 62bool CodeEntry::is_js_function_tag(Logger::LogEventsAndTags tag) { 63 return tag == Logger::FUNCTION_TAG 64 || tag == Logger::LAZY_COMPILE_TAG 65 || tag == Logger::SCRIPT_TAG 66 || tag == Logger::NATIVE_FUNCTION_TAG 67 || tag == Logger::NATIVE_LAZY_COMPILE_TAG 68 || tag == Logger::NATIVE_SCRIPT_TAG; 69} 70 71 72ProfileNode::ProfileNode(ProfileTree* tree, CodeEntry* entry) 73 : tree_(tree), 74 entry_(entry), 75 total_ticks_(0), 76 self_ticks_(0), 77 children_(CodeEntriesMatch) { 78} 79 80 81CodeEntry* ProfileGenerator::EntryForVMState(StateTag tag) { 82 switch (tag) { 83 case GC: 84 return gc_entry_; 85 case JS: 86 case COMPILER: 87 // DOM events handlers are reported as OTHER / EXTERNAL entries. 88 // To avoid confusing people, let's put all these entries into 89 // one bucket. 90 case OTHER: 91 case EXTERNAL: 92 return program_entry_; 93 default: return NULL; 94 } 95} 96 97 98SnapshotObjectId HeapObjectsMap::GetNthGcSubrootId(int delta) { 99 return kGcRootsFirstSubrootId + delta * kObjectIdStep; 100} 101 102 103HeapObject* V8HeapExplorer::GetNthGcSubrootObject(int delta) { 104 return reinterpret_cast<HeapObject*>( 105 reinterpret_cast<char*>(kFirstGcSubrootObject) + 106 delta * HeapObjectsMap::kObjectIdStep); 107} 108 109 110int V8HeapExplorer::GetGcSubrootOrder(HeapObject* subroot) { 111 return static_cast<int>( 112 (reinterpret_cast<char*>(subroot) - 113 reinterpret_cast<char*>(kFirstGcSubrootObject)) / 114 HeapObjectsMap::kObjectIdStep); 115} 116 117} } // namespace v8::internal 118 119#endif // V8_PROFILE_GENERATOR_INL_H_ 120