Mercurial > hg > graal-compiler
annotate src/share/vm/shark/sharkCacheDecache.cpp @ 7212:291ffc492eb6
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Fri, 14 Dec 2012 14:35:13 +0100 |
| parents | e522a00b91aa 2cd5e15048e6 |
| children | f78ac2ce44ef |
| rev | line source |
|---|---|
| 1692 | 1 /* |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| 1692 | 3 * Copyright 2008, 2009 Red Hat, Inc. |
| 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 5 * | |
| 6 * This code is free software; you can redistribute it and/or modify it | |
| 7 * under the terms of the GNU General Public License version 2 only, as | |
| 8 * published by the Free Software Foundation. | |
| 9 * | |
| 10 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 13 * version 2 for more details (a copy is included in the LICENSE file that | |
| 14 * accompanied this code). | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License version | |
| 17 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 19 * | |
| 20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 21 * or visit www.oracle.com if you need additional information or have any | |
| 22 * questions. | |
| 23 * | |
| 24 */ | |
| 25 | |
| 1972 | 26 #include "precompiled.hpp" |
| 27 #include "ci/ciMethod.hpp" | |
| 28 #include "code/debugInfoRec.hpp" | |
| 29 #include "shark/llvmValue.hpp" | |
| 30 #include "shark/sharkBuilder.hpp" | |
| 31 #include "shark/sharkCacheDecache.hpp" | |
| 32 #include "shark/sharkFunction.hpp" | |
| 33 #include "shark/sharkState.hpp" | |
| 1692 | 34 |
| 35 using namespace llvm; | |
| 36 | |
| 37 void SharkDecacher::start_frame() { | |
| 38 // Start recording the debug information | |
| 39 _pc_offset = code_buffer()->create_unique_offset(); | |
| 40 _oopmap = new OopMap( | |
| 41 oopmap_slot_munge(stack()->oopmap_frame_size()), | |
| 42 oopmap_slot_munge(arg_size())); | |
|
5132
e1a03c81cef0
another fix for non-graal builds
Lukas Stadler <lukas.stadler@jku.at>
parents:
4583
diff
changeset
|
43 debug_info()->add_safepoint(pc_offset(), -1, oopmap()); |
| 1692 | 44 } |
| 45 | |
| 46 void SharkDecacher::start_stack(int stack_depth) { | |
| 47 // Create the array we'll record our stack slots in | |
| 48 _exparray = new GrowableArray<ScopeValue*>(stack_depth); | |
| 49 | |
| 50 // Set the stack pointer | |
| 51 stack()->CreateStoreStackPointer( | |
| 52 builder()->CreatePtrToInt( | |
| 53 stack()->slot_addr( | |
| 54 stack()->stack_slots_offset() + max_stack() - stack_depth), | |
| 55 SharkType::intptr_type())); | |
| 56 } | |
| 57 | |
| 58 void SharkDecacher::process_stack_slot(int index, | |
| 59 SharkValue** addr, | |
| 60 int offset) { | |
| 61 SharkValue *value = *addr; | |
| 62 | |
| 63 // Write the value to the frame if necessary | |
| 64 if (stack_slot_needs_write(index, value)) { | |
| 65 write_value_to_frame( | |
| 66 SharkType::to_stackType(value->basic_type()), | |
| 67 value->generic_value(), | |
| 68 adjusted_offset(value, offset)); | |
| 69 } | |
| 70 | |
| 71 // Record the value in the oopmap if necessary | |
| 72 if (stack_slot_needs_oopmap(index, value)) { | |
| 73 oopmap()->set_oop(slot2reg(offset)); | |
| 74 } | |
| 75 | |
| 76 // Record the value in the debuginfo if necessary | |
| 77 if (stack_slot_needs_debuginfo(index, value)) { | |
| 78 exparray()->append(slot2lv(offset, stack_location_type(index, addr))); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 void SharkDecacher::start_monitors(int num_monitors) { | |
| 83 // Create the array we'll record our monitors in | |
| 84 _monarray = new GrowableArray<MonitorValue*>(num_monitors); | |
| 85 } | |
| 86 | |
| 87 void SharkDecacher::process_monitor(int index, int box_offset, int obj_offset) { | |
| 88 oopmap()->set_oop(slot2reg(obj_offset)); | |
| 89 | |
| 90 monarray()->append(new MonitorValue( | |
| 91 slot2lv (obj_offset, Location::oop), | |
| 92 slot2loc(box_offset, Location::normal))); | |
| 93 } | |
| 94 | |
| 95 void SharkDecacher::process_oop_tmp_slot(Value** value, int offset) { | |
| 96 // Decache the temporary oop slot | |
| 97 if (*value) { | |
| 98 write_value_to_frame( | |
| 99 SharkType::oop_type(), | |
| 100 *value, | |
| 101 offset); | |
| 102 | |
| 103 oopmap()->set_oop(slot2reg(offset)); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 void SharkDecacher::process_method_slot(Value** value, int offset) { | |
| 108 // Decache the method pointer | |
| 109 write_value_to_frame( | |
| 7195 | 110 SharkType::Method_type(), |
| 1692 | 111 *value, |
| 112 offset); | |
| 113 | |
| 114 } | |
| 115 | |
| 116 void SharkDecacher::process_pc_slot(int offset) { | |
| 117 // Record the PC | |
| 118 builder()->CreateStore( | |
| 119 builder()->code_buffer_address(pc_offset()), | |
| 120 stack()->slot_addr(offset)); | |
| 121 } | |
| 122 | |
| 123 void SharkDecacher::start_locals() { | |
| 124 // Create the array we'll record our local variables in | |
| 125 _locarray = new GrowableArray<ScopeValue*>(max_locals());} | |
| 126 | |
| 127 void SharkDecacher::process_local_slot(int index, | |
| 128 SharkValue** addr, | |
| 129 int offset) { | |
| 130 SharkValue *value = *addr; | |
| 131 | |
| 132 // Write the value to the frame if necessary | |
| 133 if (local_slot_needs_write(index, value)) { | |
| 134 write_value_to_frame( | |
| 135 SharkType::to_stackType(value->basic_type()), | |
| 136 value->generic_value(), | |
| 137 adjusted_offset(value, offset)); | |
| 138 } | |
| 139 | |
| 140 // Record the value in the oopmap if necessary | |
| 141 if (local_slot_needs_oopmap(index, value)) { | |
| 142 oopmap()->set_oop(slot2reg(offset)); | |
| 143 } | |
| 144 | |
| 145 // Record the value in the debuginfo if necessary | |
| 146 if (local_slot_needs_debuginfo(index, value)) { | |
| 147 locarray()->append(slot2lv(offset, local_location_type(index, addr))); | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 void SharkDecacher::end_frame() { | |
| 152 // Record the scope | |
|
4583
597bc897257d
Made DebugInformationRecorder::describe_scope() take both a methodHandle _and_ a ciMethod* parameter to avoid creating handles in scopes where it is not allowed.
Doug Simon <doug.simon@oracle.com>
parents:
1972
diff
changeset
|
153 methodHandle null_mh; |
| 1692 | 154 debug_info()->describe_scope( |
| 155 pc_offset(), | |
|
4583
597bc897257d
Made DebugInformationRecorder::describe_scope() take both a methodHandle _and_ a ciMethod* parameter to avoid creating handles in scopes where it is not allowed.
Doug Simon <doug.simon@oracle.com>
parents:
1972
diff
changeset
|
156 null_mh, |
| 1692 | 157 target(), |
| 158 bci(), | |
| 159 true, | |
| 160 false, | |
| 161 false, | |
| 162 debug_info()->create_scope_values(locarray()), | |
| 163 debug_info()->create_scope_values(exparray()), | |
| 164 debug_info()->create_monitor_values(monarray())); | |
| 165 | |
| 166 // Finish recording the debug information | |
| 167 debug_info()->end_safepoint(pc_offset()); | |
| 168 } | |
| 169 | |
| 170 void SharkCacher::process_stack_slot(int index, | |
| 171 SharkValue** addr, | |
| 172 int offset) { | |
| 173 SharkValue *value = *addr; | |
| 174 | |
| 175 // Read the value from the frame if necessary | |
| 176 if (stack_slot_needs_read(index, value)) { | |
| 177 *addr = SharkValue::create_generic( | |
| 178 value->type(), | |
| 179 read_value_from_frame( | |
| 180 SharkType::to_stackType(value->basic_type()), | |
| 181 adjusted_offset(value, offset)), | |
| 182 value->zero_checked()); | |
| 183 } | |
| 184 } | |
| 185 | |
| 186 void SharkOSREntryCacher::process_monitor(int index, | |
| 187 int box_offset, | |
| 188 int obj_offset) { | |
| 189 // Copy the monitor from the OSR buffer to the frame | |
| 190 int src_offset = max_locals() + index * 2; | |
| 191 builder()->CreateStore( | |
| 192 builder()->CreateLoad( | |
| 193 CreateAddressOfOSRBufEntry(src_offset, SharkType::intptr_type())), | |
| 194 stack()->slot_addr(box_offset, SharkType::intptr_type())); | |
| 195 builder()->CreateStore( | |
| 196 builder()->CreateLoad( | |
| 197 CreateAddressOfOSRBufEntry(src_offset + 1, SharkType::oop_type())), | |
| 198 stack()->slot_addr(obj_offset, SharkType::oop_type())); | |
| 199 } | |
| 200 | |
| 201 void SharkCacher::process_oop_tmp_slot(Value** value, int offset) { | |
| 202 // Cache the temporary oop | |
| 203 if (*value) | |
| 204 *value = read_value_from_frame(SharkType::oop_type(), offset); | |
| 205 } | |
| 206 | |
| 207 void SharkCacher::process_method_slot(Value** value, int offset) { | |
| 208 // Cache the method pointer | |
| 7195 | 209 *value = read_value_from_frame(SharkType::Method_type(), offset); |
| 1692 | 210 } |
| 211 | |
| 212 void SharkFunctionEntryCacher::process_method_slot(Value** value, int offset) { | |
| 213 // "Cache" the method pointer | |
| 214 *value = method(); | |
| 215 } | |
| 216 | |
| 217 void SharkCacher::process_local_slot(int index, | |
| 218 SharkValue** addr, | |
| 219 int offset) { | |
| 220 SharkValue *value = *addr; | |
| 221 | |
| 222 // Read the value from the frame if necessary | |
| 223 if (local_slot_needs_read(index, value)) { | |
| 224 *addr = SharkValue::create_generic( | |
| 225 value->type(), | |
| 226 read_value_from_frame( | |
| 227 SharkType::to_stackType(value->basic_type()), | |
| 228 adjusted_offset(value, offset)), | |
| 229 value->zero_checked()); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 Value* SharkOSREntryCacher::CreateAddressOfOSRBufEntry(int offset, | |
| 7195 | 234 Type* type) { |
| 1692 | 235 Value *result = builder()->CreateStructGEP(osr_buf(), offset); |
| 236 if (type != SharkType::intptr_type()) | |
| 237 result = builder()->CreateBitCast(result, PointerType::getUnqual(type)); | |
| 238 return result; | |
| 239 } | |
| 240 | |
| 241 void SharkOSREntryCacher::process_local_slot(int index, | |
| 242 SharkValue** addr, | |
| 243 int offset) { | |
| 244 SharkValue *value = *addr; | |
| 245 | |
| 246 // Read the value from the OSR buffer if necessary | |
| 247 if (local_slot_needs_read(index, value)) { | |
| 248 *addr = SharkValue::create_generic( | |
| 249 value->type(), | |
| 250 builder()->CreateLoad( | |
| 251 CreateAddressOfOSRBufEntry( | |
| 252 adjusted_offset(value, max_locals() - 1 - index), | |
| 253 SharkType::to_stackType(value->basic_type()))), | |
| 254 value->zero_checked()); | |
| 255 } | |
| 256 } | |
| 257 | |
| 7195 | 258 void SharkDecacher::write_value_to_frame(Type* type, |
| 1692 | 259 Value* value, |
| 260 int offset) { | |
| 261 builder()->CreateStore(value, stack()->slot_addr(offset, type)); | |
| 262 } | |
| 263 | |
| 7195 | 264 Value* SharkCacher::read_value_from_frame(Type* type, int offset) { |
| 1692 | 265 return builder()->CreateLoad(stack()->slot_addr(offset, type)); |
| 266 } |