author | coleenp |
Wed, 15 Mar 2017 10:25:37 -0400 | |
changeset 46329 | 53ccc37bda19 |
parent 43945 | e7f2e49d2274 |
child 46556 | beb2c322626d |
permissions | -rw-r--r-- |
42650 | 1 |
/* |
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43945
diff
changeset
|
2 |
* Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved. |
42650 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
21 |
* questions. |
|
22 |
*/ |
|
23 |
||
24 |
#ifndef SHARE_VM_AOT_AOTCODEHEAP_HPP |
|
25 |
#define SHARE_VM_AOT_AOTCODEHEAP_HPP |
|
26 |
||
27 |
#include "aot/aotCompiledMethod.hpp" |
|
28 |
#include "classfile/symbolTable.hpp" |
|
29 |
#include "oops/metadata.hpp" |
|
30 |
#include "oops/method.hpp" |
|
31 |
||
32 |
enum CodeState { |
|
33 |
not_set = 0, // _aot fields is not set yet |
|
34 |
in_use = 1, // _aot field is set to corresponding AOTCompiledMethod |
|
35 |
invalid = 2 // AOT code is invalidated because dependencies failed |
|
36 |
}; |
|
37 |
||
38 |
typedef struct { |
|
39 |
AOTCompiledMethod* _aot; |
|
40 |
CodeState _state; // State change cases: not_set->in_use, not_set->invalid |
|
41 |
} CodeToAMethod; |
|
42 |
||
43 |
class ClassLoaderData; |
|
44 |
||
45 |
class AOTClass { |
|
46 |
public: |
|
47 |
ClassLoaderData* _classloader; |
|
48 |
}; |
|
49 |
||
50 |
typedef struct { |
|
51 |
int _name_offset; |
|
52 |
int _code_offset; |
|
53 |
int _meta_offset; |
|
54 |
int _metadata_got_offset; |
|
55 |
int _metadata_got_size; |
|
56 |
int _code_id; |
|
57 |
} AOTMethodOffsets; |
|
58 |
||
59 |
typedef struct { |
|
60 |
const char* _name; |
|
61 |
address _code; |
|
62 |
aot_metadata* _meta; |
|
63 |
jlong* _state_adr; |
|
64 |
address _metadata_table; |
|
65 |
int _metadata_size; |
|
66 |
} AOTMethodData; |
|
67 |
||
68 |
typedef struct { |
|
69 |
int _got_index; |
|
70 |
int _class_id; |
|
71 |
int _compiled_methods_offset; |
|
72 |
int _dependent_methods_offset; |
|
73 |
uint64_t _fingerprint; |
|
74 |
} AOTKlassData; |
|
75 |
||
76 |
typedef struct { |
|
77 |
int _version; |
|
78 |
int _class_count; |
|
79 |
int _method_count; |
|
80 |
int _metaspace_got_size; |
|
81 |
int _metadata_got_size; |
|
82 |
int _oop_got_size; |
|
83 |
int _jvm_version_offset; |
|
84 |
||
85 |
enum { |
|
86 |
AOT_SHARED_VERSION = 1 |
|
87 |
}; |
|
88 |
} AOTHeader; |
|
89 |
||
90 |
typedef struct { |
|
43405
1fab8e6866d7
8168792: [AOT] problems in MethodHandle with aot-compiled java.base
iveresov
parents:
42650
diff
changeset
|
91 |
enum { CONFIG_SIZE = 12 + 7 * 4 }; |
42650 | 92 |
int _config_size; |
93 |
int _narrowOopShift; |
|
94 |
int _narrowKlassShift; |
|
95 |
int _contendedPaddingWidth; |
|
96 |
int _fieldsAllocationStyle; |
|
97 |
int _objectAlignment; |
|
98 |
int _codeSegmentSize; |
|
99 |
// byte[11] array map to boolean values here |
|
100 |
bool _debug_VM; |
|
101 |
bool _useCompressedOops; |
|
102 |
bool _useCompressedClassPointers; |
|
103 |
bool _compactFields; |
|
104 |
bool _useG1GC; |
|
105 |
bool _useCMSGC; |
|
106 |
bool _useTLAB; |
|
107 |
bool _useBiasedLocking; |
|
108 |
bool _tieredAOT; |
|
109 |
bool _enableContended; |
|
110 |
bool _restrictContended; |
|
43405
1fab8e6866d7
8168792: [AOT] problems in MethodHandle with aot-compiled java.base
iveresov
parents:
42650
diff
changeset
|
111 |
bool _omitAssertions; |
42650 | 112 |
} AOTConfiguration; |
113 |
||
114 |
class AOTLib : public CHeapObj<mtCode> { |
|
115 |
static bool _narrow_oop_shift_initialized; |
|
116 |
static int _narrow_oop_shift; |
|
117 |
static int _narrow_klass_shift; |
|
118 |
||
119 |
bool _valid; |
|
120 |
void* _dl_handle; |
|
121 |
const int _dso_id; |
|
122 |
const char* _name; |
|
123 |
// VM configuration during AOT compilation |
|
124 |
AOTConfiguration* _config; |
|
125 |
AOTHeader* _header; |
|
126 |
||
127 |
void handle_config_error(const char* format, ...) ATTRIBUTE_PRINTF(2, 3); |
|
128 |
public: |
|
129 |
AOTLib(void* handle, const char* name, int dso_id); |
|
130 |
virtual ~AOTLib(); |
|
131 |
static int narrow_oop_shift() { return _narrow_oop_shift; } |
|
132 |
static int narrow_klass_shift() { return _narrow_klass_shift; } |
|
133 |
static bool narrow_oop_shift_initialized() { return _narrow_oop_shift_initialized; } |
|
134 |
||
135 |
bool is_valid() const { |
|
136 |
return _valid; |
|
137 |
} |
|
138 |
const char* name() const { |
|
139 |
return _name; |
|
140 |
} |
|
141 |
void* dl_handle() const { |
|
142 |
return _dl_handle; |
|
143 |
} |
|
144 |
int id() const { |
|
145 |
return _dso_id; |
|
146 |
} |
|
147 |
AOTHeader* header() const { |
|
148 |
return _header; |
|
149 |
} |
|
150 |
AOTConfiguration* config() const { |
|
151 |
return _config; |
|
152 |
} |
|
153 |
void verify_config(); |
|
154 |
void verify_flag(bool aot_flag, bool flag, const char* name); |
|
155 |
void verify_flag(int aot_flag, int flag, const char* name); |
|
156 |
||
157 |
address load_symbol(const char *name); |
|
158 |
}; |
|
159 |
||
160 |
||
161 |
class AOTCodeHeap : public CodeHeap { |
|
162 |
AOTLib* _lib; |
|
163 |
int _aot_id; |
|
164 |
||
165 |
int _class_count; |
|
166 |
int _method_count; |
|
167 |
AOTClass* _classes; |
|
168 |
CodeToAMethod* _code_to_aot; |
|
169 |
||
170 |
address _code_space; |
|
171 |
address _code_segments; |
|
172 |
jlong* _method_state; |
|
173 |
||
174 |
||
175 |
// Collect metaspace info: names -> address in .got section |
|
176 |
const char* _metaspace_names; |
|
177 |
address _method_metadata; |
|
178 |
||
179 |
address _methods_offsets; |
|
180 |
address _klasses_offsets; |
|
181 |
address _dependencies; |
|
182 |
||
183 |
Metadata** _metaspace_got; |
|
184 |
Metadata** _metadata_got; |
|
185 |
oop* _oop_got; |
|
186 |
||
187 |
int _metaspace_got_size; |
|
188 |
int _metadata_got_size; |
|
189 |
int _oop_got_size; |
|
190 |
||
191 |
// Collect stubs info |
|
192 |
int* _stubs_offsets; |
|
193 |
||
194 |
address _low_boundary; |
|
195 |
||
196 |
bool _lib_symbols_initialized; |
|
197 |
||
198 |
void adjust_boundaries(AOTCompiledMethod* method) { |
|
199 |
address low = _low_boundary; |
|
200 |
if (method->code_begin() < low) { |
|
201 |
low = method->code_begin(); |
|
202 |
} |
|
203 |
address high = high_boundary(); |
|
204 |
if (method->code_end() > high) { |
|
205 |
high = method->code_end(); |
|
206 |
} |
|
207 |
assert(_method_count > 0, "methods count should be set already"); |
|
208 |
||
209 |
_low_boundary = low; |
|
210 |
_memory.set_high_boundary((char *)high); |
|
211 |
_memory.set_high((char *)high); |
|
212 |
} |
|
213 |
||
214 |
void register_stubs(); |
|
215 |
||
216 |
void link_shared_runtime_symbols(); |
|
217 |
void link_stub_routines_symbols(); |
|
218 |
void link_os_symbols(); |
|
219 |
void link_graal_runtime_symbols(); |
|
220 |
||
221 |
void link_global_lib_symbols(); |
|
222 |
void link_primitive_array_klasses(); |
|
223 |
void publish_aot(const methodHandle& mh, AOTMethodData* method_data, int code_id); |
|
224 |
||
225 |
||
226 |
AOTCompiledMethod* next_in_use_at(int index) const; |
|
227 |
||
228 |
// Find klass in SystemDictionary for aot metadata. |
|
229 |
static Klass* lookup_klass(const char* name, int len, const Method* method, Thread* THREAD); |
|
230 |
public: |
|
231 |
AOTCodeHeap(AOTLib* lib); |
|
232 |
virtual ~AOTCodeHeap(); |
|
233 |
||
234 |
address low_boundary() const { return _low_boundary; } |
|
235 |
address high_boundary() const { return (address)CodeHeap::high(); } |
|
236 |
||
237 |
bool contains(const void* p) const { |
|
238 |
bool result = (low_boundary() <= p) && (p < high_boundary()); |
|
239 |
assert(!result || (_method_count > 0), ""); |
|
240 |
assert(result == CodeHeap::contains(p), ""); |
|
241 |
return result; |
|
242 |
} |
|
43945
e7f2e49d2274
8173151: Code heap corruption due to incorrect inclusion test
zmajo
parents:
43405
diff
changeset
|
243 |
|
e7f2e49d2274
8173151: Code heap corruption due to incorrect inclusion test
zmajo
parents:
43405
diff
changeset
|
244 |
bool contains_blob(const CodeBlob* blob) const { |
e7f2e49d2274
8173151: Code heap corruption due to incorrect inclusion test
zmajo
parents:
43405
diff
changeset
|
245 |
return CodeHeap::contains(blob->code_begin()); |
e7f2e49d2274
8173151: Code heap corruption due to incorrect inclusion test
zmajo
parents:
43405
diff
changeset
|
246 |
} |
e7f2e49d2274
8173151: Code heap corruption due to incorrect inclusion test
zmajo
parents:
43405
diff
changeset
|
247 |
|
42650 | 248 |
AOTCompiledMethod* find_aot(address p) const; |
249 |
||
250 |
virtual void* find_start(void* p) const; |
|
251 |
virtual CodeBlob* find_blob_unsafe(void* start) const; |
|
252 |
virtual void* first() const; |
|
253 |
virtual void* next(void *p) const; |
|
254 |
||
255 |
AOTKlassData* find_klass(InstanceKlass* ik); |
|
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43945
diff
changeset
|
256 |
bool load_klass_data(InstanceKlass* ik, Thread* thread); |
42650 | 257 |
Klass* get_klass_from_got(const char* klass_name, int klass_len, const Method* method); |
258 |
void sweep_dependent_methods(AOTKlassData* klass_data); |
|
259 |
bool is_dependent_method(Klass* dependee, AOTCompiledMethod* aot); |
|
260 |
||
261 |
const char* get_name_at(int offset) { |
|
262 |
return _metaspace_names + offset; |
|
263 |
} |
|
264 |
||
265 |
void oops_do(OopClosure* f); |
|
266 |
void metadata_do(void f(Metadata*)); |
|
267 |
void got_metadata_do(void f(Metadata*)); |
|
268 |
||
269 |
#ifdef ASSERT |
|
270 |
bool got_contains(Metadata **p) { |
|
271 |
return (p >= &_metadata_got[0] && p < &_metadata_got[_metadata_got_size]) || |
|
272 |
(p >= &_metaspace_got[0] && p < &_metaspace_got[_metaspace_got_size]); |
|
273 |
} |
|
274 |
#endif |
|
275 |
||
276 |
int dso_id() const { return _lib->id(); } |
|
277 |
int aot_id() const { return _aot_id; } |
|
278 |
||
279 |
int method_count() { return _method_count; } |
|
280 |
||
281 |
AOTCompiledMethod* get_code_desc_at_index(int index) { |
|
282 |
if (index < _method_count && _code_to_aot[index]._state == in_use) { |
|
283 |
AOTCompiledMethod* m = _code_to_aot[index]._aot; |
|
284 |
assert(m != NULL, "AOT method should be set"); |
|
285 |
if (!m->is_runtime_stub()) { |
|
286 |
return m; |
|
287 |
} |
|
288 |
} |
|
289 |
return NULL; |
|
290 |
} |
|
291 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43945
diff
changeset
|
292 |
static Method* find_method(Klass* klass, Thread* thread, const char* method_name); |
42650 | 293 |
|
294 |
void cleanup_inline_caches(); |
|
295 |
||
296 |
DEBUG_ONLY( int verify_icholder_relocations(); ) |
|
297 |
||
46329
53ccc37bda19
8155672: Remove instanceKlassHandles and KlassHandles
coleenp
parents:
43945
diff
changeset
|
298 |
void flush_evol_dependents_on(InstanceKlass* dependee); |
42650 | 299 |
|
300 |
void alive_methods_do(void f(CompiledMethod* nm)); |
|
301 |
||
302 |
#ifndef PRODUCT |
|
303 |
static int klasses_seen; |
|
304 |
static int aot_klasses_found; |
|
305 |
static int aot_klasses_fp_miss; |
|
306 |
static int aot_klasses_cl_miss; |
|
307 |
static int aot_methods_found; |
|
308 |
||
309 |
static void print_statistics(); |
|
310 |
#endif |
|
311 |
}; |
|
312 |
||
313 |
#endif // SHARE_VM_AOT_AOTCODEHEAP_HPP |