Mercurial > hg > graal-compiler
annotate src/share/vm/ci/ciMethodData.hpp @ 12880:469216acdb28
8023014: CodeSweeperSweepNoFlushTest.java fails with HS crash
Summary: Ensure ensure correct initialization of compiler runtime
Reviewed-by: kvn, twisti
author | anoll |
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date | Thu, 10 Oct 2013 15:44:12 +0200 |
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0 | 1 /* |
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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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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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" | |
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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
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43 class ciArgInfoData; |
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44 class ciCallTypeData; |
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45 class ciVirtualCallTypeData; |
0 | 46 |
47 typedef ProfileData ciProfileData; | |
48 | |
49 class ciBitData : public BitData { | |
50 public: | |
51 ciBitData(DataLayout* layout) : BitData(layout) {}; | |
52 }; | |
53 | |
54 class ciCounterData : public CounterData { | |
55 public: | |
56 ciCounterData(DataLayout* layout) : CounterData(layout) {}; | |
57 }; | |
58 | |
59 class ciJumpData : public JumpData { | |
60 public: | |
61 ciJumpData(DataLayout* layout) : JumpData(layout) {}; | |
62 }; | |
63 | |
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64 class ciTypeEntries { |
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65 protected: |
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66 static intptr_t translate_klass(intptr_t k) { |
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67 Klass* v = TypeEntries::valid_klass(k); |
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68 if (v != NULL) { |
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69 ciKlass* klass = CURRENT_ENV->get_klass(v); |
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70 return with_status(klass, k); |
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71 } |
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72 return with_status(NULL, k); |
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73 } |
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74 |
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75 public: |
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76 static ciKlass* valid_ciklass(intptr_t k) { |
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77 if (!TypeEntries::is_type_none(k) && |
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78 !TypeEntries::is_type_unknown(k)) { |
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79 return (ciKlass*)TypeEntries::klass_part(k); |
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80 } else { |
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81 return NULL; |
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82 } |
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83 } |
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84 |
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85 static intptr_t with_status(ciKlass* k, intptr_t in) { |
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86 return TypeEntries::with_status((intptr_t)k, in); |
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87 } |
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88 |
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89 #ifndef PRODUCT |
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90 static void print_ciklass(outputStream* st, intptr_t k); |
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91 #endif |
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92 }; |
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93 |
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94 class ciTypeStackSlotEntries : public TypeStackSlotEntries, ciTypeEntries { |
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95 public: |
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96 void translate_type_data_from(const TypeStackSlotEntries* args); |
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97 |
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98 ciKlass* valid_type(int i) const { |
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99 return valid_ciklass(type(i)); |
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100 } |
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101 |
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102 #ifndef PRODUCT |
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103 void print_data_on(outputStream* st) const; |
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104 #endif |
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105 }; |
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106 |
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107 class ciCallTypeData : public CallTypeData { |
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108 public: |
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109 ciCallTypeData(DataLayout* layout) : CallTypeData(layout) {} |
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110 |
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111 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)CallTypeData::args(); } |
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112 |
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113 virtual void translate_from(const ProfileData* data) { |
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114 args()->translate_type_data_from(data->as_CallTypeData()->args()); |
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115 } |
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116 |
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117 ciKlass* valid_argument_type(int i) const { |
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118 return args()->valid_type(i); |
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119 } |
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120 |
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121 #ifndef PRODUCT |
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122 void print_data_on(outputStream* st) const; |
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123 #endif |
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124 }; |
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125 |
0 | 126 class ciReceiverTypeData : public ReceiverTypeData { |
127 public: | |
128 ciReceiverTypeData(DataLayout* layout) : ReceiverTypeData(layout) {}; | |
129 | |
130 void set_receiver(uint row, ciKlass* recv) { | |
131 assert((uint)row < row_limit(), "oob"); | |
132 set_intptr_at(receiver0_offset + row * receiver_type_row_cell_count, | |
133 (intptr_t) recv); | |
134 } | |
135 | |
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136 ciKlass* receiver(uint row) const { |
0 | 137 assert((uint)row < row_limit(), "oob"); |
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138 ciKlass* recv = (ciKlass*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); |
0 | 139 assert(recv == NULL || recv->is_klass(), "wrong type"); |
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140 return recv; |
0 | 141 } |
142 | |
143 // Copy & translate from oop based ReceiverTypeData | |
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144 virtual void translate_from(const ProfileData* data) { |
0 | 145 translate_receiver_data_from(data); |
146 } | |
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147 void translate_receiver_data_from(const ProfileData* data); |
0 | 148 #ifndef PRODUCT |
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149 void print_data_on(outputStream* st) const; |
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150 void print_receiver_data_on(outputStream* st) const; |
0 | 151 #endif |
152 }; | |
153 | |
154 class ciVirtualCallData : public VirtualCallData { | |
155 // Fake multiple inheritance... It's a ciReceiverTypeData also. | |
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156 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
0 | 157 |
158 public: | |
159 ciVirtualCallData(DataLayout* layout) : VirtualCallData(layout) {}; | |
160 | |
161 void set_receiver(uint row, ciKlass* recv) { | |
162 rtd_super()->set_receiver(row, recv); | |
163 } | |
164 | |
165 ciKlass* receiver(uint row) { | |
166 return rtd_super()->receiver(row); | |
167 } | |
168 | |
169 // Copy & translate from oop based VirtualCallData | |
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170 virtual void translate_from(const ProfileData* data) { |
0 | 171 rtd_super()->translate_receiver_data_from(data); |
172 } | |
173 #ifndef PRODUCT | |
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174 void print_data_on(outputStream* st) const; |
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175 #endif |
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176 }; |
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177 |
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178 class ciVirtualCallTypeData : public VirtualCallTypeData { |
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179 private: |
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180 // Fake multiple inheritance... It's a ciReceiverTypeData also. |
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181 ciReceiverTypeData* rtd_super() const { return (ciReceiverTypeData*) this; } |
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182 |
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183 public: |
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184 ciVirtualCallTypeData(DataLayout* layout) : VirtualCallTypeData(layout) {} |
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185 |
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186 ciTypeStackSlotEntries* args() const { return (ciTypeStackSlotEntries*)VirtualCallTypeData::args(); } |
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187 |
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188 void set_receiver(uint row, ciKlass* recv) { |
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189 rtd_super()->set_receiver(row, recv); |
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190 } |
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191 |
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192 ciKlass* receiver(uint row) const { |
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193 return rtd_super()->receiver(row); |
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194 } |
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195 |
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196 // Copy & translate from oop based VirtualCallData |
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197 virtual void translate_from(const ProfileData* data) { |
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198 rtd_super()->translate_receiver_data_from(data); |
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199 args()->translate_type_data_from(data->as_VirtualCallTypeData()->args()); |
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200 } |
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201 |
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202 ciKlass* valid_argument_type(int i) const { |
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203 return args()->valid_type(i); |
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204 } |
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205 |
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206 #ifndef PRODUCT |
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207 void print_data_on(outputStream* st) const; |
0 | 208 #endif |
209 }; | |
210 | |
211 | |
212 class ciRetData : public RetData { | |
213 public: | |
214 ciRetData(DataLayout* layout) : RetData(layout) {}; | |
215 }; | |
216 | |
217 class ciBranchData : public BranchData { | |
218 public: | |
219 ciBranchData(DataLayout* layout) : BranchData(layout) {}; | |
220 }; | |
221 | |
222 class ciArrayData : public ArrayData { | |
223 public: | |
224 ciArrayData(DataLayout* layout) : ArrayData(layout) {}; | |
225 }; | |
226 | |
227 class ciMultiBranchData : public MultiBranchData { | |
228 public: | |
229 ciMultiBranchData(DataLayout* layout) : MultiBranchData(layout) {}; | |
230 }; | |
231 | |
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232 class ciArgInfoData : public ArgInfoData { |
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233 public: |
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234 ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; |
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235 }; |
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236 |
0 | 237 // ciMethodData |
238 // | |
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239 // This class represents a MethodData* in the HotSpot virtual |
0 | 240 // machine. |
241 | |
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242 class ciMethodData : public ciMetadata { |
0 | 243 CI_PACKAGE_ACCESS |
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244 friend class ciReplay; |
0 | 245 |
246 private: | |
247 // Size in bytes | |
248 int _data_size; | |
249 int _extra_data_size; | |
250 | |
251 // Data entries | |
252 intptr_t* _data; | |
253 | |
254 // Cached hint for data_before() | |
255 int _hint_di; | |
256 | |
257 // Is data attached? And is it mature? | |
258 enum { empty_state, immature_state, mature_state }; | |
259 u_char _state; | |
260 | |
261 // Set this true if empty extra_data slots are ever witnessed. | |
262 u_char _saw_free_extra_data; | |
263 | |
264 // Support for interprocedural escape analysis | |
265 intx _eflags; // flags on escape information | |
266 intx _arg_local; // bit set of non-escaping arguments | |
267 intx _arg_stack; // bit set of stack-allocatable arguments | |
268 intx _arg_returned; // bit set of returned arguments | |
269 | |
270 // Maturity of the oop when the snapshot is taken. | |
271 int _current_mileage; | |
272 | |
1783 | 273 // These counters hold the age of MDO in tiered. In tiered we can have the same method |
274 // running at different compilation levels concurrently. So, in order to precisely measure | |
275 // its maturity we need separate counters. | |
276 int _invocation_counter; | |
277 int _backedge_counter; | |
278 | |
0 | 279 // Coherent snapshot of original header. |
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280 MethodData _orig; |
0 | 281 |
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282 ciMethodData(MethodData* md); |
0 | 283 ciMethodData(); |
284 | |
285 // Accessors | |
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286 int data_size() const { return _data_size; } |
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287 int extra_data_size() const { return _extra_data_size; } |
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288 intptr_t * data() const { return _data; } |
0 | 289 |
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290 MethodData* get_MethodData() const { |
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291 return (MethodData*)_metadata; |
0 | 292 } |
293 | |
294 const char* type_string() { return "ciMethodData"; } | |
295 | |
296 void print_impl(outputStream* st); | |
297 | |
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298 DataLayout* data_layout_at(int data_index) const { |
0 | 299 assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
300 return (DataLayout*) (((address)_data) + data_index); | |
301 } | |
302 | |
303 bool out_of_bounds(int data_index) { | |
304 return data_index >= data_size(); | |
305 } | |
306 | |
307 // hint accessors | |
308 int hint_di() const { return _hint_di; } | |
309 void set_hint_di(int di) { | |
310 assert(!out_of_bounds(di), "hint_di out of bounds"); | |
311 _hint_di = di; | |
312 } | |
313 ciProfileData* data_before(int bci) { | |
314 // avoid SEGV on this edge case | |
315 if (data_size() == 0) | |
316 return NULL; | |
317 int hint = hint_di(); | |
318 if (data_layout_at(hint)->bci() <= bci) | |
319 return data_at(hint); | |
320 return first_data(); | |
321 } | |
322 | |
323 | |
324 // What is the index of the first data entry? | |
325 int first_di() { return 0; } | |
326 | |
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327 ciArgInfoData *arg_info() const; |
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328 |
0 | 329 public: |
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330 bool is_method_data() const { return true; } |
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331 |
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332 bool is_empty() { return _state == empty_state; } |
0 | 333 bool is_mature() { return _state == mature_state; } |
334 | |
335 int creation_mileage() { return _orig.creation_mileage(); } | |
336 int current_mileage() { return _current_mileage; } | |
337 | |
1783 | 338 int invocation_count() { return _invocation_counter; } |
339 int backedge_count() { return _backedge_counter; } | |
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340 // Transfer information about the method to MethodData*. |
1783 | 341 // would_profile means we would like to profile this method, |
342 // meaning it's not trivial. | |
343 void set_would_profile(bool p); | |
344 // Also set the numer of loops and blocks in the method. | |
345 // Again, this is used to determine if a method is trivial. | |
346 void set_compilation_stats(short loops, short blocks); | |
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347 // If the compiler finds a profiled type that is known statically |
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348 // for sure, set it in the MethodData |
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349 void set_argument_type(int bci, int i, ciKlass* k); |
1783 | 350 |
0 | 351 void load_data(); |
352 | |
353 // Convert a dp (data pointer) to a di (data index). | |
354 int dp_to_di(address dp) { | |
355 return dp - ((address)_data); | |
356 } | |
357 | |
358 // Get the data at an arbitrary (sort of) data index. | |
359 ciProfileData* data_at(int data_index); | |
360 | |
361 // Walk through the data in order. | |
362 ciProfileData* first_data() { return data_at(first_di()); } | |
363 ciProfileData* next_data(ciProfileData* current); | |
364 bool is_valid(ciProfileData* current) { return current != NULL; } | |
365 | |
366 // Get the data at an arbitrary bci, or NULL if there is none. | |
367 ciProfileData* bci_to_data(int bci); | |
368 ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); | |
369 | |
370 uint overflow_trap_count() const { | |
371 return _orig.overflow_trap_count(); | |
372 } | |
373 uint overflow_recompile_count() const { | |
374 return _orig.overflow_recompile_count(); | |
375 } | |
376 uint decompile_count() const { | |
377 return _orig.decompile_count(); | |
378 } | |
379 uint trap_count(int reason) const { | |
380 return _orig.trap_count(reason); | |
381 } | |
382 uint trap_reason_limit() const { return _orig.trap_reason_limit(); } | |
383 uint trap_count_limit() const { return _orig.trap_count_limit(); } | |
384 | |
385 // Helpful query functions that decode trap_state. | |
386 int has_trap_at(ciProfileData* data, int reason); | |
387 int has_trap_at(int bci, int reason) { | |
388 return has_trap_at(bci_to_data(bci), reason); | |
389 } | |
390 int trap_recompiled_at(ciProfileData* data); | |
391 int trap_recompiled_at(int bci) { | |
392 return trap_recompiled_at(bci_to_data(bci)); | |
393 } | |
394 | |
395 void clear_escape_info(); | |
396 bool has_escape_info(); | |
397 void update_escape_info(); | |
398 | |
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399 void set_eflag(MethodData::EscapeFlag f); |
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400 void clear_eflag(MethodData::EscapeFlag f); |
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401 bool eflag_set(MethodData::EscapeFlag f) const; |
0 | 402 |
403 void set_arg_local(int i); | |
404 void set_arg_stack(int i); | |
405 void set_arg_returned(int i); | |
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406 void set_arg_modified(int arg, uint val); |
0 | 407 |
408 bool is_arg_local(int i) const; | |
409 bool is_arg_stack(int i) const; | |
410 bool is_arg_returned(int i) const; | |
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411 uint arg_modified(int arg) const; |
0 | 412 |
413 // Code generation helper | |
414 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); | |
415 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } | |
416 | |
417 #ifndef PRODUCT | |
418 // printing support for method data | |
419 void print(); | |
420 void print_data_on(outputStream* st); | |
421 #endif | |
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422 void dump_replay_data(outputStream* out); |
0 | 423 }; |
1972 | 424 |
425 #endif // SHARE_VM_CI_CIMETHODDATA_HPP |