1 /*
2 * Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
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_JVMCI_JVMCIJAVACLASSES_HPP
25 #define SHARE_JVMCI_JVMCIJAVACLASSES_HPP
26
27 #include "classfile/systemDictionary.hpp"
28 #include "oops/access.hpp"
29 #include "oops/instanceMirrorKlass.hpp"
30 #include "oops/oop.hpp"
31
32 class JVMCIJavaClasses : AllStatic {
33 public:
34 static void compute_offsets(TRAPS);
35 };
36
37 /* This macro defines the structure of the JVMCI classes accessed from VM code.
38 * It will generate classes with accessors similar to javaClasses.hpp, but with specializations for oops, Handles and jni handles.
39 *
40 * The public interface of these classes will look like this:
41
42 * class StackSlot : AllStatic {
43 * public:
44 * static Klass* klass();
45 * static jint index(oop obj);
46 * static jint index(Handle obj);
47 * static jint index(jobject obj);
48 * static void set_index(oop obj, jint x);
49 * static void set_index(Handle obj, jint x);
50 * static void set_index(jobject obj, jint x);
51 * };
52 *
53 */
54
55 #define COMPILER_CLASSES_DO(start_class, end_class, char_field, int_field, boolean_field, long_field, float_field, oop_field, typeArrayOop_field, objArrayOop_field, static_oop_field, static_objArrayOop_field, static_int_field, static_boolean_field) \
56 start_class(Architecture) \
57 oop_field(Architecture, wordKind, "Ljdk/vm/ci/meta/PlatformKind;") \
58 end_class \
59 start_class(TargetDescription) \
60 oop_field(TargetDescription, arch, "Ljdk/vm/ci/code/Architecture;") \
61 end_class \
62 start_class(HotSpotResolvedObjectTypeImpl) \
63 oop_field(HotSpotResolvedObjectTypeImpl, javaClass, "Ljava/lang/Class;") \
64 end_class \
65 start_class(HotSpotResolvedJavaMethodImpl) \
66 long_field(HotSpotResolvedJavaMethodImpl, metaspaceMethod) \
67 end_class \
68 start_class(InstalledCode) \
69 long_field(InstalledCode, address) \
70 long_field(InstalledCode, entryPoint) \
71 long_field(InstalledCode, version) \
72 oop_field(InstalledCode, name, "Ljava/lang/String;") \
73 end_class \
74 start_class(HotSpotInstalledCode) \
75 int_field(HotSpotInstalledCode, size) \
76 long_field(HotSpotInstalledCode, codeStart) \
77 int_field(HotSpotInstalledCode, codeSize) \
78 end_class \
79 start_class(HotSpotNmethod) \
80 boolean_field(HotSpotNmethod, isDefault) \
81 end_class \
82 start_class(HotSpotCompiledCode) \
83 oop_field(HotSpotCompiledCode, name, "Ljava/lang/String;") \
84 typeArrayOop_field(HotSpotCompiledCode, targetCode, "[B") \
85 int_field(HotSpotCompiledCode, targetCodeSize) \
86 objArrayOop_field(HotSpotCompiledCode, sites, "[Ljdk/vm/ci/code/site/Site;") \
87 objArrayOop_field(HotSpotCompiledCode, assumptions, "[Ljdk/vm/ci/meta/Assumptions$Assumption;") \
88 objArrayOop_field(HotSpotCompiledCode, methods, "[Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
89 objArrayOop_field(HotSpotCompiledCode, comments, "[Ljdk/vm/ci/hotspot/HotSpotCompiledCode$Comment;") \
90 typeArrayOop_field(HotSpotCompiledCode, dataSection, "[B") \
91 int_field(HotSpotCompiledCode, dataSectionAlignment) \
92 objArrayOop_field(HotSpotCompiledCode, dataSectionPatches, "[Ljdk/vm/ci/code/site/DataPatch;") \
93 boolean_field(HotSpotCompiledCode, isImmutablePIC) \
94 int_field(HotSpotCompiledCode, totalFrameSize) \
95 oop_field(HotSpotCompiledCode, deoptRescueSlot, "Ljdk/vm/ci/code/StackSlot;") \
96 end_class \
97 start_class(HotSpotCompiledCode_Comment) \
98 oop_field(HotSpotCompiledCode_Comment, text, "Ljava/lang/String;") \
99 int_field(HotSpotCompiledCode_Comment, pcOffset) \
100 end_class \
101 start_class(HotSpotCompiledNmethod) \
102 oop_field(HotSpotCompiledNmethod, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;") \
103 oop_field(HotSpotCompiledNmethod, installationFailureMessage, "Ljava/lang/String;") \
104 int_field(HotSpotCompiledNmethod, entryBCI) \
105 int_field(HotSpotCompiledNmethod, id) \
106 long_field(HotSpotCompiledNmethod, jvmciEnv) \
107 boolean_field(HotSpotCompiledNmethod, hasUnsafeAccess) \
108 end_class \
109 start_class(HotSpotJVMCIMetaAccessContext) \
110 static_objArrayOop_field(HotSpotJVMCIMetaAccessContext, allContexts, "[Ljava/lang/ref/WeakReference;") \
111 objArrayOop_field(HotSpotJVMCIMetaAccessContext, metadataRoots, "[Ljava/lang/Object;") \
112 end_class \
113 start_class(HotSpotForeignCallTarget) \
114 long_field(HotSpotForeignCallTarget, address) \
115 end_class \
116 start_class(VMField) \
117 oop_field(VMField, name, "Ljava/lang/String;") \
118 oop_field(VMField, type, "Ljava/lang/String;") \
119 long_field(VMField, offset) \
120 long_field(VMField, address) \
121 oop_field(VMField, value, "Ljava/lang/Object;") \
122 end_class \
123 start_class(VMFlag) \
124 oop_field(VMFlag, name, "Ljava/lang/String;") \
125 oop_field(VMFlag, type, "Ljava/lang/String;") \
126 oop_field(VMFlag, value, "Ljava/lang/Object;") \
127 end_class \
128 start_class(VMIntrinsicMethod) \
129 oop_field(VMIntrinsicMethod, declaringClass, "Ljava/lang/String;") \
130 oop_field(VMIntrinsicMethod, name, "Ljava/lang/String;") \
131 oop_field(VMIntrinsicMethod, descriptor, "Ljava/lang/String;") \
132 int_field(VMIntrinsicMethod, id) \
133 end_class \
134 start_class(Assumptions_NoFinalizableSubclass) \
135 oop_field(Assumptions_NoFinalizableSubclass, receiverType, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
136 end_class \
137 start_class(Assumptions_ConcreteSubtype) \
138 oop_field(Assumptions_ConcreteSubtype, context, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
139 oop_field(Assumptions_ConcreteSubtype, subtype, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
140 end_class \
141 start_class(Assumptions_LeafType) \
142 oop_field(Assumptions_LeafType, context, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
143 end_class \
144 start_class(Assumptions_ConcreteMethod) \
145 oop_field(Assumptions_ConcreteMethod, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
146 oop_field(Assumptions_ConcreteMethod, context, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
147 oop_field(Assumptions_ConcreteMethod, impl, "Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
148 end_class \
149 start_class(Assumptions_CallSiteTargetValue) \
150 oop_field(Assumptions_CallSiteTargetValue, callSite, "Ljdk/vm/ci/meta/JavaConstant;") \
151 oop_field(Assumptions_CallSiteTargetValue, methodHandle, "Ljdk/vm/ci/meta/JavaConstant;") \
152 end_class \
153 start_class(site_Site) \
154 int_field(site_Site, pcOffset) \
155 end_class \
156 start_class(site_Call) \
157 oop_field(site_Call, target, "Ljdk/vm/ci/meta/InvokeTarget;") \
158 oop_field(site_Call, debugInfo, "Ljdk/vm/ci/code/DebugInfo;") \
159 end_class \
160 start_class(site_DataPatch) \
161 oop_field(site_DataPatch, reference, "Ljdk/vm/ci/code/site/Reference;") \
162 end_class \
163 start_class(site_ConstantReference) \
164 oop_field(site_ConstantReference, constant, "Ljdk/vm/ci/meta/VMConstant;") \
165 end_class \
166 start_class(site_DataSectionReference) \
167 int_field(site_DataSectionReference, offset) \
168 end_class \
169 start_class(site_InfopointReason) \
170 static_oop_field(site_InfopointReason, SAFEPOINT, "Ljdk/vm/ci/code/site/InfopointReason;") \
171 static_oop_field(site_InfopointReason, CALL, "Ljdk/vm/ci/code/site/InfopointReason;") \
172 static_oop_field(site_InfopointReason, IMPLICIT_EXCEPTION, "Ljdk/vm/ci/code/site/InfopointReason;") \
173 end_class \
174 start_class(site_Infopoint) \
175 oop_field(site_Infopoint, debugInfo, "Ljdk/vm/ci/code/DebugInfo;") \
176 oop_field(site_Infopoint, reason, "Ljdk/vm/ci/code/site/InfopointReason;") \
177 end_class \
178 start_class(site_ExceptionHandler) \
179 int_field(site_ExceptionHandler, handlerPos) \
180 end_class \
181 start_class(site_Mark) \
182 oop_field(site_Mark, id, "Ljava/lang/Object;") \
183 end_class \
184 start_class(HotSpotCompilationRequestResult) \
185 oop_field(HotSpotCompilationRequestResult, failureMessage, "Ljava/lang/String;") \
186 boolean_field(HotSpotCompilationRequestResult, retry) \
187 int_field(HotSpotCompilationRequestResult, inlinedBytecodes) \
188 end_class \
189 start_class(DebugInfo) \
190 oop_field(DebugInfo, bytecodePosition, "Ljdk/vm/ci/code/BytecodePosition;") \
191 oop_field(DebugInfo, referenceMap, "Ljdk/vm/ci/code/ReferenceMap;") \
192 oop_field(DebugInfo, calleeSaveInfo, "Ljdk/vm/ci/code/RegisterSaveLayout;") \
193 objArrayOop_field(DebugInfo, virtualObjectMapping, "[Ljdk/vm/ci/code/VirtualObject;") \
194 end_class \
195 start_class(HotSpotReferenceMap) \
196 objArrayOop_field(HotSpotReferenceMap, objects, "[Ljdk/vm/ci/code/Location;") \
197 objArrayOop_field(HotSpotReferenceMap, derivedBase, "[Ljdk/vm/ci/code/Location;") \
198 typeArrayOop_field(HotSpotReferenceMap, sizeInBytes, "[I") \
199 int_field(HotSpotReferenceMap, maxRegisterSize) \
200 end_class \
201 start_class(RegisterSaveLayout) \
202 objArrayOop_field(RegisterSaveLayout, registers, "[Ljdk/vm/ci/code/Register;") \
203 typeArrayOop_field(RegisterSaveLayout, slots, "[I") \
204 end_class \
205 start_class(BytecodeFrame) \
206 objArrayOop_field(BytecodeFrame, values, "[Ljdk/vm/ci/meta/JavaValue;") \
207 objArrayOop_field(BytecodeFrame, slotKinds, "[Ljdk/vm/ci/meta/JavaKind;") \
208 int_field(BytecodeFrame, numLocals) \
209 int_field(BytecodeFrame, numStack) \
210 int_field(BytecodeFrame, numLocks) \
211 boolean_field(BytecodeFrame, rethrowException) \
212 boolean_field(BytecodeFrame, duringCall) \
213 static_int_field(BytecodeFrame, UNKNOWN_BCI) \
214 static_int_field(BytecodeFrame, UNWIND_BCI) \
215 static_int_field(BytecodeFrame, BEFORE_BCI) \
216 static_int_field(BytecodeFrame, AFTER_BCI) \
217 static_int_field(BytecodeFrame, AFTER_EXCEPTION_BCI) \
218 static_int_field(BytecodeFrame, INVALID_FRAMESTATE_BCI) \
219 end_class \
220 start_class(BytecodePosition) \
221 oop_field(BytecodePosition, caller, "Ljdk/vm/ci/code/BytecodePosition;") \
222 oop_field(BytecodePosition, method, "Ljdk/vm/ci/meta/ResolvedJavaMethod;") \
223 int_field(BytecodePosition, bci) \
224 end_class \
225 start_class(JavaConstant) \
226 end_class \
227 start_class(PrimitiveConstant) \
228 oop_field(PrimitiveConstant, kind, "Ljdk/vm/ci/meta/JavaKind;") \
229 long_field(PrimitiveConstant, primitive) \
230 end_class \
231 start_class(RawConstant) \
232 long_field(RawConstant, primitive) \
233 end_class \
234 start_class(NullConstant) \
235 end_class \
236 start_class(HotSpotCompressedNullConstant) \
237 end_class \
238 start_class(HotSpotObjectConstantImpl) \
239 oop_field(HotSpotObjectConstantImpl, object, "Ljava/lang/Object;") \
240 boolean_field(HotSpotObjectConstantImpl, compressed) \
241 end_class \
242 start_class(HotSpotMetaspaceConstantImpl) \
243 oop_field(HotSpotMetaspaceConstantImpl, metaspaceObject, "Ljdk/vm/ci/hotspot/MetaspaceWrapperObject;") \
244 boolean_field(HotSpotMetaspaceConstantImpl, compressed) \
245 end_class \
246 start_class(HotSpotSentinelConstant) \
247 end_class \
248 start_class(JavaKind) \
249 char_field(JavaKind, typeChar) \
250 static_oop_field(JavaKind, Boolean, "Ljdk/vm/ci/meta/JavaKind;") \
251 static_oop_field(JavaKind, Byte, "Ljdk/vm/ci/meta/JavaKind;") \
252 static_oop_field(JavaKind, Char, "Ljdk/vm/ci/meta/JavaKind;") \
253 static_oop_field(JavaKind, Short, "Ljdk/vm/ci/meta/JavaKind;") \
254 static_oop_field(JavaKind, Int, "Ljdk/vm/ci/meta/JavaKind;") \
255 static_oop_field(JavaKind, Long, "Ljdk/vm/ci/meta/JavaKind;") \
256 end_class \
257 start_class(ValueKind) \
258 oop_field(ValueKind, platformKind, "Ljdk/vm/ci/meta/PlatformKind;") \
259 end_class \
260 start_class(Value) \
261 oop_field(Value, valueKind, "Ljdk/vm/ci/meta/ValueKind;") \
262 static_oop_field(Value, ILLEGAL, "Ljdk/vm/ci/meta/AllocatableValue;") \
263 end_class \
264 start_class(RegisterValue) \
265 oop_field(RegisterValue, reg, "Ljdk/vm/ci/code/Register;") \
266 end_class \
267 start_class(code_Location) \
268 oop_field(code_Location, reg, "Ljdk/vm/ci/code/Register;") \
269 int_field(code_Location, offset) \
270 end_class \
271 start_class(code_Register) \
272 int_field(code_Register, number) \
273 int_field(code_Register, encoding) \
274 end_class \
275 start_class(StackSlot) \
276 int_field(StackSlot, offset) \
277 boolean_field(StackSlot, addFrameSize) \
278 end_class \
279 start_class(VirtualObject) \
280 int_field(VirtualObject, id) \
281 oop_field(VirtualObject, type, "Ljdk/vm/ci/meta/ResolvedJavaType;") \
282 objArrayOop_field(VirtualObject, values, "[Ljdk/vm/ci/meta/JavaValue;") \
283 objArrayOop_field(VirtualObject, slotKinds, "[Ljdk/vm/ci/meta/JavaKind;") \
284 end_class \
285 start_class(StackLockValue) \
286 oop_field(StackLockValue, owner, "Ljdk/vm/ci/meta/JavaValue;") \
287 oop_field(StackLockValue, slot, "Ljdk/vm/ci/meta/AllocatableValue;") \
288 boolean_field(StackLockValue, eliminated) \
289 end_class \
290 start_class(HotSpotSpeculationLog) \
291 long_field(HotSpotSpeculationLog, lastFailed) \
292 end_class \
293 start_class(HotSpotStackFrameReference) \
294 oop_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/vm/ci/hotspot/CompilerToVM;") \
295 boolean_field(HotSpotStackFrameReference, objectsMaterialized) \
296 long_field(HotSpotStackFrameReference, stackPointer) \
297 int_field(HotSpotStackFrameReference, frameNumber) \
298 int_field(HotSpotStackFrameReference, bci) \
299 oop_field(HotSpotStackFrameReference, method, "Ljdk/vm/ci/hotspot/HotSpotResolvedJavaMethod;") \
300 objArrayOop_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;") \
301 typeArrayOop_field(HotSpotStackFrameReference, localIsVirtual, "[Z") \
302 end_class \
303 start_class(HotSpotMetaData) \
304 typeArrayOop_field(HotSpotMetaData, pcDescBytes, "[B") \
305 typeArrayOop_field(HotSpotMetaData, scopesDescBytes, "[B") \
306 typeArrayOop_field(HotSpotMetaData, relocBytes, "[B") \
307 typeArrayOop_field(HotSpotMetaData, exceptionBytes, "[B") \
308 typeArrayOop_field(HotSpotMetaData, oopMaps, "[B") \
309 objArrayOop_field(HotSpotMetaData, metadata, "[Ljava/lang/Object;") \
310 end_class \
311 start_class(HotSpotConstantPool) \
312 long_field(HotSpotConstantPool, metaspaceConstantPool) \
313 end_class \
314 start_class(HotSpotJVMCIRuntime) \
315 int_field(HotSpotJVMCIRuntime, compilationLevelAdjustment) \
316 end_class \
317 /* end*/
318
319 #define START_CLASS(name) \
320 class name : AllStatic { \
321 private: \
322 friend class JVMCICompiler; \
323 static void check(oop obj, const char* field_name, int offset); \
324 static void compute_offsets(TRAPS); \
325 public: \
326 static InstanceKlass* klass() { return SystemDictionary::name##_klass_is_loaded() ? SystemDictionary::name##_klass() : NULL; }
327
328 #define END_CLASS };
329
330 #define FIELD(name, type, accessor, cast) \
331 static int _##name##_offset; \
332 static type name(oop obj) { check(obj, #name, _##name##_offset); return cast obj->accessor(_##name##_offset); } \
333 static type name(Handle obj) { check(obj(), #name, _##name##_offset); return cast obj->accessor(_##name##_offset); } \
334 static type name(jobject obj); \
335 static void set_##name(oop obj, type x) { check(obj, #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); } \
336 static void set_##name(Handle obj, type x) { check(obj(), #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); } \
337 static void set_##name(jobject obj, type x); \
338
339 #define EMPTY_CAST
340 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST)
341 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST)
342 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST)
343 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field, EMPTY_CAST)
344 #define FLOAT_FIELD(klass, name) FIELD(name, jfloat, float_field, EMPTY_CAST)
345 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field, EMPTY_CAST)
346 #define OBJARRAYOOP_FIELD(klass, name, signature) FIELD(name, objArrayOop, obj_field, (objArrayOop))
347 #define TYPEARRAYOOP_FIELD(klass, name, signature) FIELD(name, typeArrayOop, obj_field, (typeArrayOop))
348 #define STATIC_OOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, oop, signature)
349 #define STATIC_OBJARRAYOOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, objArrayOop, signature)
350 #define STATIC_OOPISH_FIELD(klassName, name, type, signature) \
351 static int _##name##_offset; \
352 static type name(); \
353 static void set_##name(type x);
354 #define STATIC_PRIMITIVE_FIELD(klassName, name, jtypename) \
355 static int _##name##_offset; \
356 static jtypename name(); \
357 static void set_##name(jtypename x);
358
359 #define STATIC_INT_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jint)
360 #define STATIC_BOOLEAN_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jboolean)
361
362 COMPILER_CLASSES_DO(START_CLASS, END_CLASS, CHAR_FIELD, INT_FIELD, BOOLEAN_FIELD, LONG_FIELD, FLOAT_FIELD, OOP_FIELD, TYPEARRAYOOP_FIELD, OBJARRAYOOP_FIELD, STATIC_OOP_FIELD, STATIC_OBJARRAYOOP_FIELD, STATIC_INT_FIELD, STATIC_BOOLEAN_FIELD)
363 #undef START_CLASS
364 #undef END_CLASS
365 #undef FIELD
366 #undef CHAR_FIELD
367 #undef INT_FIELD
368 #undef BOOLEAN_FIELD
369 #undef LONG_FIELD
370 #undef FLOAT_FIELD
371 #undef OOP_FIELD
372 #undef TYPEARRAYOOP_FIELD
373 #undef OBJARRAYOOP_FIELD
374 #undef STATIC_OOPISH_FIELD
375 #undef STATIC_OOP_FIELD
376 #undef STATIC_OBJARRAYOOP_FIELD
377 #undef STATIC_INT_FIELD
378 #undef STATIC_BOOLEAN_FIELD
379 #undef STATIC_PRIMITIVE_FIELD
380 #undef EMPTY_CAST
381
382 void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field, TRAPS);
383
384 #endif // SHARE_JVMCI_JVMCIJAVACLASSES_HPP