/*
* Copyright ( C ) 2012 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_RUNTIME_JVALUE_H_
#define ART_RUNTIME_JVALUE_H_
#include "base/locks.h"
#include "base/macros.h"
#include <stdint.h>
#include "obj_ptr.h"
namespace art HIDDEN {
namespace mirror {
class Object;
} // namespace mirror
union PACKED(alignof(mirror::Object*)) JValue {
// We default initialize JValue instances to all-zeros.
JValue() : j(0 ) {}
template <typename T> ALWAYS_INLINE static JValue FromPrimitive(T v);
int8_t GetB() const { return b; }
void SetB(int8_t new_b) {
j = ((static_cast <int64_t>(new_b) << 56 ) >> 56 ); // Sign-extend to 64 bits.
}
uint16_t GetC() const { return c; }
void SetC(uint16_t new_c) {
j = static_cast <int64_t>(new_c); // Zero-extend to 64 bits.
}
double GetD() const { return d; }
void SetD(double new_d) { d = new_d; }
float GetF() const { return f; }
void SetF(float new_f) { f = new_f; }
int32_t GetI() const { return i; }
void SetI(int32_t new_i) {
j = ((static_cast <int64_t>(new_i) << 32 ) >> 32 ); // Sign-extend to 64 bits.
}
int64_t GetJ() const { return j; }
void SetJ(int64_t new_j) { j = new_j; }
mirror::Object* GetL() const REQUIRES_SHARED(Locks::mutator_lock_) {
return l;
}
ALWAYS_INLINE
void SetL(ObjPtr<mirror::Object> new_l) REQUIRES_SHARED(Locks::mutator_lock_);
int16_t GetS() const { return s; }
void SetS(int16_t new_s) {
j = ((static_cast <int64_t>(new_s) << 48 ) >> 48 ); // Sign-extend to 64 bits.
}
uint8_t GetZ() const { return z; }
void SetZ(uint8_t new_z) {
j = static_cast <int64_t>(new_z); // Zero-extend to 64 bits.
}
mirror::Object** GetGCRoot() { return &l; }
private :
uint8_t z;
int8_t b;
uint16_t c;
int16_t s;
int32_t i;
int64_t j;
float f;
double d;
mirror::Object* l;
};
} // namespace art
#endif // ART_RUNTIME_JVALUE_H_
Messung V0.5 in Prozent C=89 H=95 G=91
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-29)
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