1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
// Copyright 2010 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_GDB_JIT_H_
#define V8_GDB_JIT_H_
#include "src/allocation.h"
//
// Basic implementation of GDB JIT Interface client.
// GBD JIT Interface is supported in GDB 7.0 and above.
// Currently on x64 and ia32 architectures and Linux OS are supported.
//
#ifdef ENABLE_GDB_JIT_INTERFACE
#include "src/v8.h"
#include "src/factory.h"
namespace v8 {
namespace internal {
class CompilationInfo;
#define CODE_TAGS_LIST(V) \
V(LOAD_IC) \
V(KEYED_LOAD_IC) \
V(STORE_IC) \
V(KEYED_STORE_IC) \
V(STUB) \
V(BUILTIN) \
V(SCRIPT) \
V(EVAL) \
V(FUNCTION)
class GDBJITLineInfo : public Malloced {
public:
GDBJITLineInfo()
: pc_info_(10) { }
void SetPosition(intptr_t pc, int pos, bool is_statement) {
AddPCInfo(PCInfo(pc, pos, is_statement));
}
struct PCInfo {
PCInfo(intptr_t pc, int pos, bool is_statement)
: pc_(pc), pos_(pos), is_statement_(is_statement) { }
intptr_t pc_;
int pos_;
bool is_statement_;
};
List<PCInfo>* pc_info() {
return &pc_info_;
}
private:
void AddPCInfo(const PCInfo& pc_info) {
pc_info_.Add(pc_info);
}
List<PCInfo> pc_info_;
};
class GDBJITInterface: public AllStatic {
public:
enum CodeTag {
#define V(x) x,
CODE_TAGS_LIST(V)
#undef V
TAG_COUNT
};
static const char* Tag2String(CodeTag tag) {
switch (tag) {
#define V(x) case x: return #x;
CODE_TAGS_LIST(V)
#undef V
default:
return NULL;
}
}
static void AddCode(const char* name,
Code* code,
CodeTag tag,
Script* script,
CompilationInfo* info);
static void AddCode(Handle<Name> name,
Handle<Script> script,
Handle<Code> code,
CompilationInfo* info);
static void AddCode(CodeTag tag, Name* name, Code* code);
static void AddCode(CodeTag tag, const char* name, Code* code);
static void AddCode(CodeTag tag, Code* code);
static void RemoveCode(Code* code);
static void RemoveCodeRange(Address start, Address end);
static void RegisterDetailedLineInfo(Code* code, GDBJITLineInfo* line_info);
};
#define GDBJIT(action) GDBJITInterface::action
} } // namespace v8::internal
#else
#define GDBJIT(action) ((void) 0)
#endif
#endif
|
