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
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// Copyright 2010 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef V8_GDB_JIT_H_
#define V8_GDB_JIT_H_
#include "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 "v8.h"
#include "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(CALL_IC) \
V(CALL_INITIALIZE) \
V(CALL_PRE_MONOMORPHIC) \
V(CALL_NORMAL) \
V(CALL_MEGAMORPHIC) \
V(CALL_MISS) \
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<String> name,
Handle<Script> script,
Handle<Code> code,
CompilationInfo* info);
static void AddCode(CodeTag tag, String* 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 RegisterDetailedLineInfo(Code* code, GDBJITLineInfo* line_info);
};
#define GDBJIT(action) GDBJITInterface::action
} } // namespace v8::internal
#else
#define GDBJIT(action) ((void) 0)
#endif
#endif
|
