Support for deoptimization needed for debugging.
The deoptimization code is untested, and some sanity checks in the
instrumentation are disabled because they need debugging.
Change-Id: I1b60a65a60bddc9b107ad4659da097b55ce901c3
diff --git a/src/jvalue.h b/src/jvalue.h
new file mode 100644
index 0000000..a7a1795
--- /dev/null
+++ b/src/jvalue.h
@@ -0,0 +1,75 @@
+/*
+ * 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_SRC_JVALUE_H_
+#define ART_SRC_JVALUE_H_
+
+#include "base/macros.h"
+
+namespace art {
+
+class Object;
+
+union PACKED(4) JValue {
+ // We default initialize JValue instances to all-zeros.
+ JValue() : j(0) {}
+
+ int8_t GetB() const { return b; }
+ void SetB(int8_t new_b) {
+ i = ((static_cast<int32_t>(new_b) << 24) >> 24); // Sign-extend.
+ }
+
+ uint16_t GetC() const { return c; }
+ void SetC(uint16_t new_c) { c = new_c; }
+
+ 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) { i = new_i; }
+
+ int64_t GetJ() const { return j; }
+ void SetJ(int64_t new_j) { j = new_j; }
+
+ Object* GetL() const { return l; }
+ void SetL(Object* new_l) { l = new_l; }
+
+ int16_t GetS() const { return s; }
+ void SetS(int16_t new_s) {
+ i = ((static_cast<int32_t>(new_s) << 16) >> 16); // Sign-extend.
+ }
+
+ uint8_t GetZ() const { return z; }
+ void SetZ(uint8_t new_z) { z = new_z; }
+
+ private:
+ uint8_t z;
+ int8_t b;
+ uint16_t c;
+ int16_t s;
+ int32_t i;
+ int64_t j;
+ float f;
+ double d;
+ Object* l;
+};
+
+} // namespace art
+
+#endif // ART_SRC_JVALUE_H_