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comparison src/share/vm/jvmci/jvmciJavaAccess.hpp @ 22454:76af33d4d504

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Make jvmci redefinition safe
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Fri, 21 Aug 2015 11:57:29 -0700
parents 7b4a47fcc4c0
children 3fb432661d59
comparison
equal deleted inserted replaced
22453:d6bbd5d8d81e 22454:76af33d4d504
45 * static void set_index(jobject obj, jint x); 45 * static void set_index(jobject obj, jint x);
46 * }; 46 * };
47 * 47 *
48 */ 48 */
49 49
50 #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_int_field, static_boolean_field) \ 50 #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) \
51 start_class(HotSpotResolvedObjectTypeImpl) \ 51 start_class(HotSpotResolvedObjectTypeImpl) \
52 oop_field(HotSpotResolvedObjectTypeImpl, javaClass, "Ljava/lang/Class;") \ 52 oop_field(HotSpotResolvedObjectTypeImpl, javaClass, "Ljava/lang/Class;") \
53 end_class \ 53 end_class \
54 start_class(HotSpotResolvedJavaMethodImpl) \ 54 start_class(HotSpotResolvedJavaMethodImpl) \
55 long_field(HotSpotResolvedJavaMethodImpl, metaspaceMethod) \ 55 long_field(HotSpotResolvedJavaMethodImpl, metaspaceMethod) \
92 int_field(HotSpotCompiledNmethod, entryBCI) \ 92 int_field(HotSpotCompiledNmethod, entryBCI) \
93 int_field(HotSpotCompiledNmethod, id) \ 93 int_field(HotSpotCompiledNmethod, id) \
94 long_field(HotSpotCompiledNmethod, jvmciEnv) \ 94 long_field(HotSpotCompiledNmethod, jvmciEnv) \
95 boolean_field(HotSpotCompiledNmethod, hasUnsafeAccess) \ 95 boolean_field(HotSpotCompiledNmethod, hasUnsafeAccess) \
96 end_class \ 96 end_class \
97 start_class(HotSpotJVMCIMetaAccessContext) \
98 static_objArrayOop_field(HotSpotJVMCIMetaAccessContext, allContexts, "[Ljava/lang/ref/WeakReference;") \
99 objArrayOop_field(HotSpotJVMCIMetaAccessContext, metadataRoots, "[Ljava/lang/Object;") \
100 end_class \
97 start_class(HotSpotForeignCallTarget) \ 101 start_class(HotSpotForeignCallTarget) \
98 long_field(HotSpotForeignCallTarget, address) \ 102 long_field(HotSpotForeignCallTarget, address) \
99 end_class \ 103 end_class \
100 start_class(Assumptions_NoFinalizableSubclass) \ 104 start_class(Assumptions_NoFinalizableSubclass) \
101 oop_field(Assumptions_NoFinalizableSubclass, receiverType, "Ljdk/internal/jvmci/meta/ResolvedJavaType;") \ 105 oop_field(Assumptions_NoFinalizableSubclass, receiverType, "Ljdk/internal/jvmci/meta/ResolvedJavaType;") \
251 start_class(HotSpotStackFrameReference) \ 255 start_class(HotSpotStackFrameReference) \
252 oop_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/internal/jvmci/hotspot/CompilerToVM;") \ 256 oop_field(HotSpotStackFrameReference, compilerToVM, "Ljdk/internal/jvmci/hotspot/CompilerToVM;") \
253 long_field(HotSpotStackFrameReference, stackPointer) \ 257 long_field(HotSpotStackFrameReference, stackPointer) \
254 int_field(HotSpotStackFrameReference, frameNumber) \ 258 int_field(HotSpotStackFrameReference, frameNumber) \
255 int_field(HotSpotStackFrameReference, bci) \ 259 int_field(HotSpotStackFrameReference, bci) \
256 long_field(HotSpotStackFrameReference, metaspaceMethod) \ 260 oop_field(HotSpotStackFrameReference, method, "Ljdk/internal/jvmci/hotspot/HotSpotResolvedJavaMethod;") \
257 objArrayOop_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;") \ 261 objArrayOop_field(HotSpotStackFrameReference, locals, "[Ljava/lang/Object;") \
258 typeArrayOop_field(HotSpotStackFrameReference, localIsVirtual, "[Z") \ 262 typeArrayOop_field(HotSpotStackFrameReference, localIsVirtual, "[Z") \
259 end_class 263 end_class \
260 \ 264 start_class(HotSpotConstantPool) \
265 long_field(HotSpotConstantPool, metaspaceConstantPool) \
266 end_class \
261 /* end*/ 267 /* end*/
262 268
263 #define START_CLASS(name) \ 269 #define START_CLASS(name) \
264 class name : AllStatic { \ 270 class name : AllStatic { \
265 private: \ 271 private: \
266 friend class JVMCICompiler; \ 272 friend class JVMCICompiler; \
267 static void check(oop obj, const char* field_name) { \ 273 static void check(oop obj, const char* field_name, int offset) { \
268 assert(obj != NULL, err_msg("NULL field access of %s.%s", #name, field_name)); \ 274 assert(obj != NULL, err_msg("NULL field access of %s.%s", #name, field_name)); \
269 assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected"); \ 275 assert(obj->is_a(SystemDictionary::name##_klass()), err_msg("wrong class, " #name " expected, found %s", obj->klass()->external_name())); \
276 assert(offset != 0, "must be valid offset"); \
270 } \ 277 } \
271 static void compute_offsets(); \ 278 static void compute_offsets(); \
272 public: \ 279 public: \
273 static Klass* klass() { return SystemDictionary::name##_klass(); } 280 static Klass* klass() { return SystemDictionary::name##_klass(); }
274 281
275 #define END_CLASS }; 282 #define END_CLASS };
276 283
277 #define FIELD(name, type, accessor, cast) \ 284 #define FIELD(name, type, accessor, cast) \
278 static int _##name##_offset; \ 285 static int _##name##_offset; \
279 static type name(oop obj) { check(obj, #name); return cast obj->accessor(_##name##_offset); } \ 286 static type name(oop obj) { check(obj, #name, _##name##_offset); return cast obj->accessor(_##name##_offset); } \
280 static type name(Handle& obj) { check(obj(), #name); return cast obj->accessor(_##name##_offset); } \ 287 static type name(Handle& obj) { check(obj(), #name, _##name##_offset); return cast obj->accessor(_##name##_offset); } \
281 static type name(jobject obj) { check(JNIHandles::resolve(obj), #name); return cast JNIHandles::resolve(obj)->accessor(_##name##_offset); } \ 288 static type name(jobject obj) { check(JNIHandles::resolve(obj), #name, _##name##_offset); return cast JNIHandles::resolve(obj)->accessor(_##name##_offset); } \
282 static void set_##name(oop obj, type x) { check(obj, #name); obj->accessor##_put(_##name##_offset, x); } \ 289 static void set_##name(oop obj, type x) { check(obj, #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); } \
283 static void set_##name(Handle& obj, type x) { check(obj(), #name); obj->accessor##_put(_##name##_offset, x); } \ 290 static void set_##name(Handle& obj, type x) { check(obj(), #name, _##name##_offset); obj->accessor##_put(_##name##_offset, x); } \
284 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj), #name); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); } 291 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj), #name, _##name##_offset); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); }
285 292
286 #define EMPTY_CAST 293 #define EMPTY_CAST
287 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST) 294 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST)
288 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST) 295 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST)
289 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST) 296 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST)
290 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field, EMPTY_CAST) 297 #define LONG_FIELD(klass, name) FIELD(name, jlong, long_field, EMPTY_CAST)
291 #define FLOAT_FIELD(klass, name) FIELD(name, jfloat, float_field, EMPTY_CAST) 298 #define FLOAT_FIELD(klass, name) FIELD(name, jfloat, float_field, EMPTY_CAST)
292 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field, EMPTY_CAST) 299 #define OOP_FIELD(klass, name, signature) FIELD(name, oop, obj_field, EMPTY_CAST)
293 #define OBJARRAYOOP_FIELD(klass, name, signature) FIELD(name, objArrayOop, obj_field, (objArrayOop)) 300 #define OBJARRAYOOP_FIELD(klass, name, signature) FIELD(name, objArrayOop, obj_field, (objArrayOop))
294 #define TYPEARRAYOOP_FIELD(klass, name, signature) FIELD(name, typeArrayOop, obj_field, (typeArrayOop)) 301 #define TYPEARRAYOOP_FIELD(klass, name, signature) FIELD(name, typeArrayOop, obj_field, (typeArrayOop))
295 #define STATIC_OOP_FIELD(klassName, name, signature) \ 302 #define STATIC_OOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, oop, signature)
303 #define STATIC_OBJARRAYOOP_FIELD(klassName, name, signature) STATIC_OOPISH_FIELD(klassName, name, objArrayOop, signature)
304 #define STATIC_OOPISH_FIELD(klassName, name, type, signature) \
296 static int _##name##_offset; \ 305 static int _##name##_offset; \
297 static oop name() { \ 306 static type name() { \
298 InstanceKlass* ik = InstanceKlass::cast(klassName::klass()); \ 307 InstanceKlass* ik = InstanceKlass::cast(klassName::klass()); \
299 address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \ 308 address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
300 if (UseCompressedOops) { \ 309 if (UseCompressedOops) { \
301 return oopDesc::load_decode_heap_oop((narrowOop *)addr); \ 310 return (type) oopDesc::load_decode_heap_oop((narrowOop *)addr); \
302 } else { \ 311 } else { \
303 return oopDesc::load_decode_heap_oop((oop*)addr); \ 312 return (type) oopDesc::load_decode_heap_oop((oop*)addr); \
304 } \ 313 } \
305 } \ 314 } \
306 static void set_##name(oop x) { \ 315 static void set_##name(type x) { \
307 InstanceKlass* ik = InstanceKlass::cast(klassName::klass()); \ 316 InstanceKlass* ik = InstanceKlass::cast(klassName::klass()); \
308 address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \ 317 address addr = ik->static_field_addr(_##name##_offset - InstanceMirrorKlass::offset_of_static_fields()); \
309 if (UseCompressedOops) { \ 318 if (UseCompressedOops) { \
310 oop_store((narrowOop *)addr, x); \ 319 oop_store((narrowOop *)addr, x); \
311 } else { \ 320 } else { \
326 } 335 }
327 336
328 #define STATIC_INT_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jint) 337 #define STATIC_INT_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jint)
329 #define STATIC_BOOLEAN_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jboolean) 338 #define STATIC_BOOLEAN_FIELD(klassName, name) STATIC_PRIMITIVE_FIELD(klassName, name, jboolean)
330 339
331 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_INT_FIELD, STATIC_BOOLEAN_FIELD) 340 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)
332 #undef START_CLASS 341 #undef START_CLASS
333 #undef END_CLASS 342 #undef END_CLASS
334 #undef FIELD 343 #undef FIELD
335 #undef CHAR_FIELD 344 #undef CHAR_FIELD
336 #undef INT_FIELD 345 #undef INT_FIELD
338 #undef LONG_FIELD 347 #undef LONG_FIELD
339 #undef FLOAT_FIELD 348 #undef FLOAT_FIELD
340 #undef OOP_FIELD 349 #undef OOP_FIELD
341 #undef TYPEARRAYOOP_FIELD 350 #undef TYPEARRAYOOP_FIELD
342 #undef OBJARRAYOOP_FIELD 351 #undef OBJARRAYOOP_FIELD
352 #undef STATIC_OOPISH_FIELD
343 #undef STATIC_OOP_FIELD 353 #undef STATIC_OOP_FIELD
354 #undef STATIC_OBJARRAYOOP_FIELD
344 #undef STATIC_INT_FIELD 355 #undef STATIC_INT_FIELD
345 #undef STATIC_BOOLEAN_FIELD 356 #undef STATIC_BOOLEAN_FIELD
346 #undef EMPTY_CAST 357 #undef EMPTY_CAST
347 358
348 void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field); 359 void compute_offset(int &dest_offset, Klass* klass, const char* name, const char* signature, bool static_field);