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comparison src/share/vm/graal/graalJavaAccess.hpp @ 21113:0cf5897db25a

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Better assertion message for NULL deference in graalJavaAccess
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Wed, 22 Apr 2015 16:42:05 -0700
parents 92fc95e8667d
children 5cbaf1e9ff2e 1da7aef31a08
comparison
equal deleted inserted replaced
21112:f01ebceea995 21113:0cf5897db25a
271 271
272 #define START_CLASS(name) \ 272 #define START_CLASS(name) \
273 class name : AllStatic { \ 273 class name : AllStatic { \
274 private: \ 274 private: \
275 friend class GraalCompiler; \ 275 friend class GraalCompiler; \
276 static void check(oop obj) { \ 276 static void check(oop obj, const char* field_name) { \
277 assert(obj != NULL, "NULL field access of class " #name); \ 277 assert(obj != NULL, err_msg("NULL field access of %s.%s", #name, field_name)); \
278 assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected"); \ 278 assert(obj->is_a(SystemDictionary::name##_klass()), "wrong class, " #name " expected"); \
279 } \ 279 } \
280 static void compute_offsets(); \ 280 static void compute_offsets(); \
281 public: \ 281 public: \
282 static Klass* klass() { return SystemDictionary::name##_klass(); } 282 static Klass* klass() { return SystemDictionary::name##_klass(); }
283 283
284 #define END_CLASS }; 284 #define END_CLASS };
285 285
286 #define FIELD(name, type, accessor, cast) \ 286 #define FIELD(name, type, accessor, cast) \
287 static int _##name##_offset; \ 287 static int _##name##_offset; \
288 static type name(oop obj) { check(obj); return cast obj->accessor(_##name##_offset); } \ 288 static type name(oop obj) { check(obj, #name); return cast obj->accessor(_##name##_offset); } \
289 static type name(Handle& obj) { check(obj()); return cast obj->accessor(_##name##_offset); } \ 289 static type name(Handle& obj) { check(obj(), #name); return cast obj->accessor(_##name##_offset); } \
290 static type name(jobject obj) { check(JNIHandles::resolve(obj)); return cast JNIHandles::resolve(obj)->accessor(_##name##_offset); } \ 290 static type name(jobject obj) { check(JNIHandles::resolve(obj), #name); return cast JNIHandles::resolve(obj)->accessor(_##name##_offset); } \
291 static void set_##name(oop obj, type x) { check(obj); obj->accessor##_put(_##name##_offset, x); } \ 291 static void set_##name(oop obj, type x) { check(obj, #name); obj->accessor##_put(_##name##_offset, x); } \
292 static void set_##name(Handle& obj, type x) { check(obj()); obj->accessor##_put(_##name##_offset, x); } \ 292 static void set_##name(Handle& obj, type x) { check(obj(), #name); obj->accessor##_put(_##name##_offset, x); } \
293 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj)); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); } 293 static void set_##name(jobject obj, type x) { check(JNIHandles::resolve(obj), #name); JNIHandles::resolve(obj)->accessor##_put(_##name##_offset, x); }
294 294
295 #define EMPTY_CAST 295 #define EMPTY_CAST
296 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST) 296 #define CHAR_FIELD(klass, name) FIELD(name, jchar, char_field, EMPTY_CAST)
297 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST) 297 #define INT_FIELD(klass, name) FIELD(name, jint, int_field, EMPTY_CAST)
298 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST) 298 #define BOOLEAN_FIELD(klass, name) FIELD(name, jboolean, bool_field, EMPTY_CAST)