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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_GDB_JIT_H_ | 5 #ifndef V8_GDB_JIT_H_ |
6 #define V8_GDB_JIT_H_ | 6 #define V8_GDB_JIT_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 | 9 |
10 // | 10 // |
11 // Basic implementation of GDB JIT Interface client. | 11 // Basic implementation of GDB JIT Interface client. |
12 // GBD JIT Interface is supported in GDB 7.0 and above. | 12 // GBD JIT Interface is supported in GDB 7.0 and above. |
13 // Currently on x64 and ia32 architectures and Linux OS are supported. | 13 // Currently on x64 and ia32 architectures and Linux OS are supported. |
14 // | 14 // |
15 | 15 |
16 #ifdef ENABLE_GDB_JIT_INTERFACE | 16 #ifdef ENABLE_GDB_JIT_INTERFACE |
17 #include "src/v8.h" | 17 #include "src/v8.h" |
18 | 18 |
19 #include "src/factory.h" | 19 #include "src/factory.h" |
20 | 20 |
21 namespace v8 { | 21 namespace v8 { |
22 namespace internal { | 22 namespace internal { |
23 | 23 |
24 class CompilationInfo; | 24 class CompilationInfo; |
25 | 25 |
26 #define CODE_TAGS_LIST(V) \ | |
27 V(LOAD_IC) \ | |
28 V(KEYED_LOAD_IC) \ | |
29 V(STORE_IC) \ | |
30 V(KEYED_STORE_IC) \ | |
31 V(STUB) \ | |
32 V(BUILTIN) \ | |
33 V(SCRIPT) \ | |
34 V(EVAL) \ | |
35 V(FUNCTION) | |
36 | |
37 class GDBJITInterface: public AllStatic { | 26 class GDBJITInterface: public AllStatic { |
38 public: | 27 public: |
39 enum CodeTag { | 28 enum CodeTag { NON_FUNCTION, FUNCTION }; |
40 #define V(x) x, | |
41 CODE_TAGS_LIST(V) | |
42 #undef V | |
43 TAG_COUNT | |
44 }; | |
45 | |
46 static const char* Tag2String(CodeTag tag) { | |
47 switch (tag) { | |
48 #define V(x) case x: return #x; | |
49 CODE_TAGS_LIST(V) | |
50 #undef V | |
51 default: | |
52 return NULL; | |
53 } | |
54 } | |
55 | 29 |
56 // Main entry point into GDB JIT realized as a JitCodeEventHandler. | 30 // Main entry point into GDB JIT realized as a JitCodeEventHandler. |
57 static void EventHandler(const v8::JitCodeEvent* event); | 31 static void EventHandler(const v8::JitCodeEvent* event); |
58 | 32 |
59 static void AddCode(const char* name, | |
60 Code* code, | |
61 CodeTag tag, | |
62 Script* script, | |
63 CompilationInfo* info); | |
64 | |
65 static void AddCode(Handle<Name> name, | 33 static void AddCode(Handle<Name> name, |
66 Handle<Script> script, | 34 Handle<Script> script, |
67 Handle<Code> code, | 35 Handle<Code> code, |
68 CompilationInfo* info); | 36 CompilationInfo* info); |
69 | 37 |
70 static void AddCode(CodeTag tag, Name* name, Code* code); | 38 static void RemoveCodeRange(Address start, Address end); |
71 | 39 |
72 static void AddCode(CodeTag tag, const char* name, Code* code); | 40 private: |
73 | 41 static void AddCode(const char* name, Code* code, CodeTag tag, Script* script, |
74 static void AddCode(CodeTag tag, Code* code); | 42 CompilationInfo* info); |
75 | 43 |
76 static void RemoveCode(Code* code); | 44 static void RemoveCode(Code* code); |
77 | |
78 static void RemoveCodeRange(Address start, Address end); | |
79 }; | 45 }; |
80 | 46 |
81 #define GDBJIT(action) GDBJITInterface::action | 47 #define GDBJIT(action) GDBJITInterface::action |
82 | 48 |
83 } } // namespace v8::internal | 49 } } // namespace v8::internal |
84 #else | 50 #else |
85 #define GDBJIT(action) ((void) 0) | 51 #define GDBJIT(action) ((void) 0) |
86 #endif | 52 #endif |
87 | 53 |
88 #endif | 54 #endif |
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