Mercurial > hg > graal-compiler
annotate src/share/vm/ci/ciMethodData.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | d5d065957597 |
| children | fabcf26ee72f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1783 | 2 * Copyright (c) 2001, 2010, 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" | |
| 32 #include "oops/methodDataOop.hpp" | |
| 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; | |
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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"); | |
| 74 ciObject* recv = (ciObject*)intptr_at(receiver0_offset + row * receiver_type_row_cell_count); | |
| 75 assert(recv == NULL || recv->is_klass(), "wrong type"); | |
| 76 return (ciKlass*)recv; | |
| 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 | |
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135 class ciArgInfoData : public ArgInfoData { |
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136 public: |
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137 ciArgInfoData(DataLayout* layout) : ArgInfoData(layout) {}; |
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138 }; |
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139 |
| 0 | 140 // ciMethodData |
| 141 // | |
| 142 // This class represents a methodDataOop in the HotSpot virtual | |
| 143 // machine. | |
| 144 | |
| 145 class ciMethodData : public ciObject { | |
| 146 CI_PACKAGE_ACCESS | |
| 147 | |
| 148 private: | |
| 149 // Size in bytes | |
| 150 int _data_size; | |
| 151 int _extra_data_size; | |
| 152 | |
| 153 // Data entries | |
| 154 intptr_t* _data; | |
| 155 | |
| 156 // Cached hint for data_before() | |
| 157 int _hint_di; | |
| 158 | |
| 159 // Is data attached? And is it mature? | |
| 160 enum { empty_state, immature_state, mature_state }; | |
| 161 u_char _state; | |
| 162 | |
| 163 // Set this true if empty extra_data slots are ever witnessed. | |
| 164 u_char _saw_free_extra_data; | |
| 165 | |
| 166 // Support for interprocedural escape analysis | |
| 167 intx _eflags; // flags on escape information | |
| 168 intx _arg_local; // bit set of non-escaping arguments | |
| 169 intx _arg_stack; // bit set of stack-allocatable arguments | |
| 170 intx _arg_returned; // bit set of returned arguments | |
| 171 | |
| 172 // Maturity of the oop when the snapshot is taken. | |
| 173 int _current_mileage; | |
| 174 | |
| 1783 | 175 // These counters hold the age of MDO in tiered. In tiered we can have the same method |
| 176 // running at different compilation levels concurrently. So, in order to precisely measure | |
| 177 // its maturity we need separate counters. | |
| 178 int _invocation_counter; | |
| 179 int _backedge_counter; | |
| 180 | |
| 0 | 181 // Coherent snapshot of original header. |
| 182 methodDataOopDesc _orig; | |
| 183 | |
| 184 ciMethodData(methodDataHandle h_md); | |
| 185 ciMethodData(); | |
| 186 | |
| 187 // Accessors | |
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188 int data_size() const { return _data_size; } |
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189 int extra_data_size() const { return _extra_data_size; } |
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190 intptr_t * data() const { return _data; } |
| 0 | 191 |
| 192 methodDataOop get_methodDataOop() const { | |
| 193 if (handle() == NULL) return NULL; | |
| 194 methodDataOop mdo = (methodDataOop)get_oop(); | |
| 195 assert(mdo != NULL, "illegal use of unloaded method data"); | |
| 196 return mdo; | |
| 197 } | |
| 198 | |
| 199 const char* type_string() { return "ciMethodData"; } | |
| 200 | |
| 201 void print_impl(outputStream* st); | |
| 202 | |
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203 DataLayout* data_layout_at(int data_index) const { |
| 0 | 204 assert(data_index % sizeof(intptr_t) == 0, "unaligned"); |
| 205 return (DataLayout*) (((address)_data) + data_index); | |
| 206 } | |
| 207 | |
| 208 bool out_of_bounds(int data_index) { | |
| 209 return data_index >= data_size(); | |
| 210 } | |
| 211 | |
| 212 // hint accessors | |
| 213 int hint_di() const { return _hint_di; } | |
| 214 void set_hint_di(int di) { | |
| 215 assert(!out_of_bounds(di), "hint_di out of bounds"); | |
| 216 _hint_di = di; | |
| 217 } | |
| 218 ciProfileData* data_before(int bci) { | |
| 219 // avoid SEGV on this edge case | |
| 220 if (data_size() == 0) | |
| 221 return NULL; | |
| 222 int hint = hint_di(); | |
| 223 if (data_layout_at(hint)->bci() <= bci) | |
| 224 return data_at(hint); | |
| 225 return first_data(); | |
| 226 } | |
| 227 | |
| 228 | |
| 229 // What is the index of the first data entry? | |
| 230 int first_di() { return 0; } | |
| 231 | |
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232 ciArgInfoData *arg_info() const; |
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233 |
| 0 | 234 public: |
| 235 bool is_method_data() { return true; } | |
| 236 bool is_empty() { return _state == empty_state; } | |
| 237 bool is_mature() { return _state == mature_state; } | |
| 238 | |
| 239 int creation_mileage() { return _orig.creation_mileage(); } | |
| 240 int current_mileage() { return _current_mileage; } | |
| 241 | |
| 1783 | 242 int invocation_count() { return _invocation_counter; } |
| 243 int backedge_count() { return _backedge_counter; } | |
| 244 // Transfer information about the method to methodDataOop. | |
| 245 // would_profile means we would like to profile this method, | |
| 246 // meaning it's not trivial. | |
| 247 void set_would_profile(bool p); | |
| 248 // Also set the numer of loops and blocks in the method. | |
| 249 // Again, this is used to determine if a method is trivial. | |
| 250 void set_compilation_stats(short loops, short blocks); | |
| 251 | |
| 0 | 252 void load_data(); |
| 253 | |
| 254 // Convert a dp (data pointer) to a di (data index). | |
| 255 int dp_to_di(address dp) { | |
| 256 return dp - ((address)_data); | |
| 257 } | |
| 258 | |
| 259 // Get the data at an arbitrary (sort of) data index. | |
| 260 ciProfileData* data_at(int data_index); | |
| 261 | |
| 262 // Walk through the data in order. | |
| 263 ciProfileData* first_data() { return data_at(first_di()); } | |
| 264 ciProfileData* next_data(ciProfileData* current); | |
| 265 bool is_valid(ciProfileData* current) { return current != NULL; } | |
| 266 | |
| 267 // Get the data at an arbitrary bci, or NULL if there is none. | |
| 268 ciProfileData* bci_to_data(int bci); | |
| 269 ciProfileData* bci_to_extra_data(int bci, bool create_if_missing); | |
| 270 | |
| 271 uint overflow_trap_count() const { | |
| 272 return _orig.overflow_trap_count(); | |
| 273 } | |
| 274 uint overflow_recompile_count() const { | |
| 275 return _orig.overflow_recompile_count(); | |
| 276 } | |
| 277 uint decompile_count() const { | |
| 278 return _orig.decompile_count(); | |
| 279 } | |
| 280 uint trap_count(int reason) const { | |
| 281 return _orig.trap_count(reason); | |
| 282 } | |
| 283 uint trap_reason_limit() const { return _orig.trap_reason_limit(); } | |
| 284 uint trap_count_limit() const { return _orig.trap_count_limit(); } | |
| 285 | |
| 286 // Helpful query functions that decode trap_state. | |
| 287 int has_trap_at(ciProfileData* data, int reason); | |
| 288 int has_trap_at(int bci, int reason) { | |
| 289 return has_trap_at(bci_to_data(bci), reason); | |
| 290 } | |
| 291 int trap_recompiled_at(ciProfileData* data); | |
| 292 int trap_recompiled_at(int bci) { | |
| 293 return trap_recompiled_at(bci_to_data(bci)); | |
| 294 } | |
| 295 | |
| 296 void clear_escape_info(); | |
| 297 bool has_escape_info(); | |
| 298 void update_escape_info(); | |
| 299 | |
| 300 void set_eflag(methodDataOopDesc::EscapeFlag f); | |
| 301 void clear_eflag(methodDataOopDesc::EscapeFlag f); | |
| 302 bool eflag_set(methodDataOopDesc::EscapeFlag f) const; | |
| 303 | |
| 304 void set_arg_local(int i); | |
| 305 void set_arg_stack(int i); | |
| 306 void set_arg_returned(int i); | |
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307 void set_arg_modified(int arg, uint val); |
| 0 | 308 |
| 309 bool is_arg_local(int i) const; | |
| 310 bool is_arg_stack(int i) const; | |
| 311 bool is_arg_returned(int i) const; | |
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312 uint arg_modified(int arg) const; |
| 0 | 313 |
| 314 // Code generation helper | |
| 315 ByteSize offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data); | |
| 316 int byte_offset_of_slot(ciProfileData* data, ByteSize slot_offset_in_data) { return in_bytes(offset_of_slot(data, slot_offset_in_data)); } | |
| 317 | |
| 318 #ifndef PRODUCT | |
| 319 // printing support for method data | |
| 320 void print(); | |
| 321 void print_data_on(outputStream* st); | |
| 322 #endif | |
| 323 }; | |
| 1972 | 324 |
| 325 #endif // SHARE_VM_CI_CIMETHODDATA_HPP |