Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethodData.hpp @ 7090:05ce1defa4f9
Common out some parts of UnsafeLoad/Store in UnsafeAccess
author | Gilles Duboscq <duboscq@ssw.jku.at> |
---|---|
date | Thu, 29 Nov 2012 13:24:08 +0100 |
parents | bd7a7ce2e264 |
children | c775af091fe9 |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
196
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_CI_CIMETHODDATA_HPP |
26 #define SHARE_VM_CI_CIMETHODDATA_HPP | |
27 | |
28 #include "ci/ciClassList.hpp" | |
29 #include "ci/ciKlass.hpp" | |
30 #include "ci/ciObject.hpp" | |
31 #include "ci/ciUtilities.hpp" | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
32 #include "oops/methodData.hpp" |
1972 | 33 #include "oops/oop.inline.hpp" |
34 | |
0 | 35 class ciBitData; |
36 class ciCounterData; | |
37 class ciJumpData; | |
38 class ciReceiverTypeData; | |
39 class ciRetData; | |
40 class ciBranchData; | |
41 class ciArrayData; | |
42 class ciMultiBranchData; | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
43 class ciArgInfoData; |
0 | 44 |
45 typedef ProfileData ciProfileData; | |
46 | |
47 class ciBitData : public BitData { | |
48 public: | |
49 ciBitData(DataLayout* layout) : BitData(layout) {}; | |
50 }; | |
51 | |
52 class ciCounterData : public CounterData { | |
53 public: | |
54 ciCounterData(DataLayout* layout) : CounterData(layout) {}; | |
55 }; | |
56 | |
57 class ciJumpData : public JumpData { | |
58 public: | |
59 ciJumpData(DataLayout* layout) : JumpData(layout) {}; | |
60 }; | |
61 | |
62 class ciReceiverTypeData : public ReceiverTypeData { | |
63 public: | |
64 ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {}; | |
65 | |
66 void set_receiver(uint row, ciKlass* recv) { | |
67 assert((uint)row < row_limit(), "oob"); | |
68 set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count, | |
69 (intptr_t) recv); | |
70 } | |
71 | |
72 ciKlass* receiver(uint row) { | |
73 assert((uint)row < row_limit(), "oob"); | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
74 ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); |
0 | 75 assert(recv == NULL || recv->is_klass(), "wrong type"); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
76 return recv; |
0 | 77 } |
78 | |
79 // Copy & translate from oop based ReceiverTypeData | |
80 virtual void translate_from(ProfileData* data) { | |
81 translate_receiver_data_from(data); | |
82 } | |
83 void translate_receiver_data_from(ProfileData* data); | |
84 #ifndef PRODUCT | |
85 void print_data_on(outputStream* st); | |
86 void print_receiver_data_on(outputStream* st); | |
87 #endif | |
88 }; | |
89 | |
90 class ciVirtualCallData : public VirtualCallData { | |
91 // Fake multiple inheritance... It's a ciReceiverTypeData also. | |
92 ciReceiverTypeData* rtd_super() { return (ciReceiverTypeData*) this; } | |
93 | |
94 public: | |
95 ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; | |
96 | |
97 void set_receiver(uint row, ciKlass* recv) { | |
98 rtd_super()->set_receiver(row, recv); | |
99 } | |
100 | |
101 ciKlass* receiver(uint row) { | |
102 return rtd_super()->receiver(row); | |
103 } | |
104 | |
105 // Copy & translate from oop based VirtualCallData | |
106 virtual void translate_from(ProfileData* data) { | |
107 rtd_super()->translate_receiver_data_from(data); | |
108 } | |
109 #ifndef PRODUCT | |
110 void print_data_on(outputStream* st); | |
111 #endif | |
112 }; | |
113 | |
114 | |
115 class ciRetData : public RetData { | |
116 public: | |
117 ciRetData(DataLayout* layout) : RetData(layout) {}; | |
118 }; | |
119 | |
120 class ciBranchData : public BranchData { | |
121 public: | |
122 ciBranchData(DataLayout* layout) : BranchData(layout) {}; | |
123 }; | |
124 | |
125 class ciArrayData : public ArrayData { | |
126 public: | |
127 ciArrayData(DataLayout* layout) : ArrayData(layout) {}; | |
128 }; | |
129 | |
130 class ciMultiBranchData : public MultiBranchData { | |
131 public: | |
132 ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; | |
133 }; | |
134 | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
135 class ciArgInfoData : public ArgInfoData { |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
136 public: |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
137 ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
138 }; |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
139 |
0 | 140 // ciMethodData |
141 // | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
142 // This class represents a MethodData* in the HotSpot virtual |
0 | 143 // machine. |
144 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
145 class ciMethodData : public ciMetadata { |
0 | 146 CI_PACKAGE_ACCESS |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6725
diff
changeset
|
147 friend class ciReplay; |
0 | 148 |
149 private: | |
150 // Size in bytes | |
151 int _data_size; | |
152 int _extra_data_size; | |
153 | |
154 // Data entries | |
155 intptr_t* _data; | |
156 | |
157 // Cached hint for data_before() | |
158 int _hint_di; | |
159 | |
160 // Is data attached? And is it mature? | |
161 enum { empty_state, immature_state, mature_state }; | |
162 u_char _state; | |
163 | |
164 // Set this true if empty extra_data slots are ever witnessed. | |
165 u_char _saw_free_extra_data; | |
166 | |
167 // Support for interprocedural escape analysis | |
168 intx _eflags; // flags on escape information | |
169 intx _arg_local; // bit set of non-escaping arguments | |
170 intx _arg_stack; // bit set of stack-allocatable arguments | |
171 intx _arg_returned; // bit set of returned arguments | |
172 | |
173 // Maturity of the oop when the snapshot is taken. | |
174 int _current_mileage; | |
175 | |
1783 | 176 // These counters hold the age of MDO in tiered. In tiered we can have the same method |
177 // running at different compilation levels concurrently. So, in order to precisely measure | |
178 // its maturity we need separate counters. | |
179 int _invocation_counter; | |
180 int _backedge_counter; | |
181 | |
0 | 182 // Coherent snapshot of original header. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
183 MethodData _orig; |
0 | 184 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
185 ciMethodData(MethodData* md); |
0 | 186 ciMethodData(); |
187 | |
188 // Accessors | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
189 int data_size() const { return _data_size; } |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
190 int extra_data_size() const { return _extra_data_size; } |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
191 intptr_t * data() const { return _data; } |
0 | 192 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
193 MethodData* get_MethodData() const { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
194 return (MethodData*)_metadata; |
0 | 195 } |
196 | |
197 const char* type_string() { return "ciMethodData"; } | |
198 | |
199 void print_impl(outputStream* st); | |
200 | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
201 DataLayout* data_layout_at(int data_index) const { |
0 | 202 assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
203 return (DataLayout*) (((address)_data) + data_index); | |
204 } | |
205 | |
206 bool out_of_bounds(int data_index) { | |
207 return data_index >= data_size(); | |
208 } | |
209 | |
210 // hint accessors | |
211 int hint_di() const { return _hint_di; } | |
212 void set_hint_di(int di) { | |
213 assert(!out_of_bounds(di), "hint_di out of bounds"); | |
214 _hint_di = di; | |
215 } | |
216 ciProfileData* data_before(int bci) { | |
217 // avoid SEGV on this edge case | |
218 if (data_size() == 0) | |
219 return NULL; | |
220 int hint = hint_di(); | |
221 if (data_layout_at(hint)->bci() <= bci) | |
222 return data_at(hint); | |
223 return first_data(); | |
224 } | |
225 | |
226 | |
227 // What is the index of the first data entry? | |
228 int first_di() { return 0; } | |
229 | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
230 ciArgInfoData *arg_info() const; |
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
231 |
0 | 232 public: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
233 bool is_method_data() const { return true; } |
3371
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
1972
diff
changeset
|
234 |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
1972
diff
changeset
|
235 void set_mature() { _state = mature_state; } |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
1972
diff
changeset
|
236 |
fabcf26ee72f
6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
twisti
parents:
1972
diff
changeset
|
237 bool is_empty() { return _state == empty_state; } |
0 | 238 bool is_mature() { return _state == mature_state; } |
239 | |
240 int creation_mileage() { return _orig.creation_mileage(); } | |
241 int current_mileage() { return _current_mileage; } | |
242 | |
1783 | 243 int invocation_count() { return _invocation_counter; } |
244 int backedge_count() { return _backedge_counter; } | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
245 // Transfer information about the method to MethodData*. |
1783 | 246 // would_profile means we would like to profile this method, |
247 // meaning it's not trivial. | |
248 void set_would_profile(bool p); | |
249 // Also set the numer of loops and blocks in the method. | |
250 // Again, this is used to determine if a method is trivial. | |
251 void set_compilation_stats(short loops, short blocks); | |
252 | |
0 | 253 void load_data(); |
254 | |
255 // Convert a dp (data pointer) to a di (data index). | |
256 int dp_to_di(address dp) { | |
257 return dp - ((address)_data); | |
258 } | |
259 | |
260 // Get the data at an arbitrary (sort of) data index. | |
261 ciProfileData* data_at(int data_index); | |
262 | |
263 // Walk through the data in order. | |
264 ciProfileData* first_data() { return data_at(first_di()); } | |
265 ciProfileData* next_data(ciProfileData* current); | |
266 bool is_valid(ciProfileData* current) { return current != NULL; } | |
267 | |
268 // Get the data at an arbitrary bci, or NULL if there is none. | |
269 ciProfileData* bci_to_data(int bci); | |
270 ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); | |
271 | |
272 uint overflow_trap_count() const { | |
273 return _orig.overflow_trap_count(); | |
274 } | |
275 uint overflow_recompile_count() const { | |
276 return _orig.overflow_recompile_count(); | |
277 } | |
278 uint decompile_count() const { | |
279 return _orig.decompile_count(); | |
280 } | |
281 uint trap_count(int reason) const { | |
282 return _orig.trap_count(reason); | |
283 } | |
284 uint trap_reason_limit() const { return _orig.trap_reason_limit(); } | |
285 uint trap_count_limit() const { return _orig.trap_count_limit(); } | |
286 | |
287 // Helpful query functions that decode trap_state. | |
288 int has_trap_at(ciProfileData* data, int reason); | |
289 int has_trap_at(int bci, int reason) { | |
290 return has_trap_at(bci_to_data(bci), reason); | |
291 } | |
292 int trap_recompiled_at(ciProfileData* data); | |
293 int trap_recompiled_at(int bci) { | |
294 return trap_recompiled_at(bci_to_data(bci)); | |
295 } | |
296 | |
297 void clear_escape_info(); | |
298 bool has_escape_info(); | |
299 void update_escape_info(); | |
300 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
301 void set_eflag(MethodData::EscapeFlag f); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
302 void clear_eflag(MethodData::EscapeFlag f); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
3371
diff
changeset
|
303 bool eflag_set(MethodData::EscapeFlag f) const; |
0 | 304 |
305 void set_arg_local(int i); | |
306 void set_arg_stack(int i); | |
307 void set_arg_returned(int i); | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
308 void set_arg_modified(int arg, uint val); |
0 | 309 |
310 bool is_arg_local(int i) const; | |
311 bool is_arg_stack(int i) const; | |
312 bool is_arg_returned(int i) const; | |
45
48a3fa21394b
6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents:
0
diff
changeset
|
313 uint arg_modified(int arg) const; |
0 | 314 |
315 // Code generation helper | |
316 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); | |
317 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } | |
318 | |
319 #ifndef PRODUCT | |
320 // printing support for method data | |
321 void print(); | |
322 void print_data_on(outputStream* st); | |
323 #endif | |
6972
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
6725
diff
changeset
|
324 void dump_replay_data(outputStream* out); |
0 | 325 }; |
1972 | 326 |
327 #endif // SHARE_VM_CI_CIMETHODDATA_HPP |