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
33 namespace v8 {
34 namespace internal {
35
GetFunctionName(String * name)36 const char* StringsStorage::GetFunctionName(String* name) {
37 return GetFunctionName(GetName(name));
38 }
39
40
GetFunctionName(const char * name)41 const char* StringsStorage::GetFunctionName(const char* name) {
42 return strlen(name) > 0 ? name : ProfileGenerator::kAnonymousFunctionName;
43 }
44
45
CodeEntry(Logger::LogEventsAndTags tag,const char * name_prefix,const char * name,const char * resource_name,int line_number,int security_token_id)46 CodeEntry::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
is_js_function_tag(Logger::LogEventsAndTags tag)62 bool 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
ProfileNode(ProfileTree * tree,CodeEntry * entry)72 ProfileNode::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
EntryForVMState(StateTag tag)81 CodeEntry* 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
GetNthGcSubrootId(int delta)98 SnapshotObjectId HeapObjectsMap::GetNthGcSubrootId(int delta) {
99 return kGcRootsFirstSubrootId + delta * kObjectIdStep;
100 }
101
102
GetNthGcSubrootObject(int delta)103 HeapObject* V8HeapExplorer::GetNthGcSubrootObject(int delta) {
104 return reinterpret_cast<HeapObject*>(
105 reinterpret_cast<char*>(kFirstGcSubrootObject) +
106 delta * HeapObjectsMap::kObjectIdStep);
107 }
108
109
GetGcSubrootOrder(HeapObject * subroot)110 int 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