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
|
/*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_JIT_JIT_H_
#define ART_RUNTIME_JIT_JIT_H_
#include <unordered_map>
#include "instrumentation.h"
#include "atomic.h"
#include "base/macros.h"
#include "base/mutex.h"
#include "base/timing_logger.h"
#include "gc_root.h"
#include "jni.h"
#include "object_callbacks.h"
#include "thread_pool.h"
namespace art {
class CompilerCallbacks;
struct RuntimeArgumentMap;
namespace jit {
class JitCodeCache;
class JitInstrumentationCache;
class JitOptions;
class Jit {
public:
static constexpr bool kStressMode = kIsDebugBuild;
static constexpr size_t kDefaultCompileThreshold = kStressMode ? 1 : 1000;
virtual ~Jit();
static Jit* Create(JitOptions* options, std::string* error_msg);
bool CompileMethod(mirror::ArtMethod* method, Thread* self)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void CreateInstrumentationCache(size_t compile_threshold);
void CreateThreadPool();
CompilerCallbacks* GetCompilerCallbacks() {
return compiler_callbacks_;
}
const JitCodeCache* GetCodeCache() const {
return code_cache_.get();
}
JitCodeCache* GetCodeCache() {
return code_cache_.get();
}
void DeleteThreadPool();
// Dump interesting info: #methods compiled, code vs data size, compile / verify cumulative
// loggers.
void DumpInfo(std::ostream& os);
// Add a timing logger to cumulative_timings_.
void AddTimingLogger(const TimingLogger& logger);
private:
Jit();
bool LoadCompiler(std::string* error_msg);
// JIT compiler
void* jit_library_handle_;
void* jit_compiler_handle_;
void* (*jit_load_)(CompilerCallbacks**);
void (*jit_unload_)(void*);
bool (*jit_compile_method_)(void*, mirror::ArtMethod*, Thread*);
// Performance monitoring.
bool dump_info_on_shutdown_;
CumulativeLogger cumulative_timings_;
std::unique_ptr<jit::JitInstrumentationCache> instrumentation_cache_;
std::unique_ptr<jit::JitCodeCache> code_cache_;
CompilerCallbacks* compiler_callbacks_; // Owned by the jit compiler.
};
class JitOptions {
public:
static JitOptions* CreateFromRuntimeArguments(const RuntimeArgumentMap& options);
size_t GetCompileThreshold() const {
return compile_threshold_;
}
size_t GetCodeCacheCapacity() const {
return code_cache_capacity_;
}
bool DumpJitInfoOnShutdown() const {
return dump_info_on_shutdown_;
}
private:
size_t code_cache_capacity_;
size_t compile_threshold_;
bool dump_info_on_shutdown_;
JitOptions() : code_cache_capacity_(0), compile_threshold_(0), dump_info_on_shutdown_(false) {
}
};
} // namespace jit
} // namespace art
#endif // ART_RUNTIME_JIT_JIT_H_
|
