Fast JNI support.
Use a modifier to signal a native method is a fast JNI method. If the
modifier is set then don't perform runnable transitions.
Change-Id: I7835b4d837bfdd1cb8e2d54b919c0d5e6cf90499
diff --git a/runtime/native/sun_misc_Unsafe.cc b/runtime/native/sun_misc_Unsafe.cc
index eece81a..2c6d281 100644
--- a/runtime/native/sun_misc_Unsafe.cc
+++ b/runtime/native/sun_misc_Unsafe.cc
@@ -19,12 +19,12 @@
#include "jni_internal.h"
#include "mirror/object.h"
#include "mirror/object-inl.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_fast_native_object_access.h"
namespace art {
static jboolean Unsafe_compareAndSwapInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, jint expectedValue, jint newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
byte* raw_addr = reinterpret_cast<byte*>(obj) + offset;
volatile int32_t* address = reinterpret_cast<volatile int32_t*>(raw_addr);
@@ -34,7 +34,7 @@
}
static jboolean Unsafe_compareAndSwapLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, jlong expectedValue, jlong newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
byte* raw_addr = reinterpret_cast<byte*>(obj) + offset;
volatile int64_t* address = reinterpret_cast<volatile int64_t*>(raw_addr);
@@ -44,7 +44,7 @@
}
static jboolean Unsafe_compareAndSwapObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, jobject javaExpectedValue, jobject javaNewValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* expectedValue = soa.Decode<mirror::Object*>(javaExpectedValue);
mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue);
@@ -60,97 +60,97 @@
}
static jint Unsafe_getInt(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
return obj->GetField32(MemberOffset(offset), false);
}
static jint Unsafe_getIntVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
return obj->GetField32(MemberOffset(offset), true);
}
static void Unsafe_putInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, jint newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
obj->SetField32(MemberOffset(offset), newValue, false);
}
static void Unsafe_putIntVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, jint newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
obj->SetField32(MemberOffset(offset), newValue, true);
}
static void Unsafe_putOrderedInt(JNIEnv* env, jobject, jobject javaObj, jlong offset, jint newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
ANDROID_MEMBAR_STORE();
obj->SetField32(MemberOffset(offset), newValue, false);
}
static jlong Unsafe_getLong(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
return obj->GetField64(MemberOffset(offset), false);
}
static jlong Unsafe_getLongVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
return obj->GetField64(MemberOffset(offset), true);
}
static void Unsafe_putLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, jlong newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
obj->SetField64(MemberOffset(offset), newValue, false);
}
static void Unsafe_putLongVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, jlong newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
obj->SetField64(MemberOffset(offset), newValue, true);
}
static void Unsafe_putOrderedLong(JNIEnv* env, jobject, jobject javaObj, jlong offset, jlong newValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
ANDROID_MEMBAR_STORE();
obj->SetField64(MemberOffset(offset), newValue, false);
}
static jobject Unsafe_getObjectVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* value = obj->GetFieldObject<mirror::Object*>(MemberOffset(offset), true);
return soa.AddLocalReference<jobject>(value);
}
static jobject Unsafe_getObject(JNIEnv* env, jobject, jobject javaObj, jlong offset) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* value = obj->GetFieldObject<mirror::Object*>(MemberOffset(offset), false);
return soa.AddLocalReference<jobject>(value);
}
static void Unsafe_putObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, jobject javaNewValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue);
obj->SetFieldObject(MemberOffset(offset), newValue, false);
}
static void Unsafe_putObjectVolatile(JNIEnv* env, jobject, jobject javaObj, jlong offset, jobject javaNewValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue);
obj->SetFieldObject(MemberOffset(offset), newValue, true);
}
static void Unsafe_putOrderedObject(JNIEnv* env, jobject, jobject javaObj, jlong offset, jobject javaNewValue) {
- ScopedObjectAccess soa(env);
+ ScopedFastNativeObjectAccess soa(env);
mirror::Object* obj = soa.Decode<mirror::Object*>(javaObj);
mirror::Object* newValue = soa.Decode<mirror::Object*>(javaNewValue);
ANDROID_MEMBAR_STORE();
@@ -158,24 +158,24 @@
}
static JNINativeMethod gMethods[] = {
- NATIVE_METHOD(Unsafe, compareAndSwapInt, "(Ljava/lang/Object;JII)Z"),
- NATIVE_METHOD(Unsafe, compareAndSwapLong, "(Ljava/lang/Object;JJJ)Z"),
- NATIVE_METHOD(Unsafe, compareAndSwapObject, "(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z"),
- NATIVE_METHOD(Unsafe, getIntVolatile, "(Ljava/lang/Object;J)I"),
- NATIVE_METHOD(Unsafe, putIntVolatile, "(Ljava/lang/Object;JI)V"),
- NATIVE_METHOD(Unsafe, getLongVolatile, "(Ljava/lang/Object;J)J"),
- NATIVE_METHOD(Unsafe, putLongVolatile, "(Ljava/lang/Object;JJ)V"),
- NATIVE_METHOD(Unsafe, getObjectVolatile, "(Ljava/lang/Object;J)Ljava/lang/Object;"),
- NATIVE_METHOD(Unsafe, putObjectVolatile, "(Ljava/lang/Object;JLjava/lang/Object;)V"),
- NATIVE_METHOD(Unsafe, getInt, "(Ljava/lang/Object;J)I"),
- NATIVE_METHOD(Unsafe, putInt, "(Ljava/lang/Object;JI)V"),
- NATIVE_METHOD(Unsafe, putOrderedInt, "(Ljava/lang/Object;JI)V"),
- NATIVE_METHOD(Unsafe, getLong, "(Ljava/lang/Object;J)J"),
- NATIVE_METHOD(Unsafe, putLong, "(Ljava/lang/Object;JJ)V"),
- NATIVE_METHOD(Unsafe, putOrderedLong, "(Ljava/lang/Object;JJ)V"),
- NATIVE_METHOD(Unsafe, getObject, "(Ljava/lang/Object;J)Ljava/lang/Object;"),
- NATIVE_METHOD(Unsafe, putObject, "(Ljava/lang/Object;JLjava/lang/Object;)V"),
- NATIVE_METHOD(Unsafe, putOrderedObject, "(Ljava/lang/Object;JLjava/lang/Object;)V"),
+ NATIVE_METHOD(Unsafe, compareAndSwapInt, "!(Ljava/lang/Object;JII)Z"),
+ NATIVE_METHOD(Unsafe, compareAndSwapLong, "!(Ljava/lang/Object;JJJ)Z"),
+ NATIVE_METHOD(Unsafe, compareAndSwapObject, "!(Ljava/lang/Object;JLjava/lang/Object;Ljava/lang/Object;)Z"),
+ NATIVE_METHOD(Unsafe, getIntVolatile, "!(Ljava/lang/Object;J)I"),
+ NATIVE_METHOD(Unsafe, putIntVolatile, "!(Ljava/lang/Object;JI)V"),
+ NATIVE_METHOD(Unsafe, getLongVolatile, "!(Ljava/lang/Object;J)J"),
+ NATIVE_METHOD(Unsafe, putLongVolatile, "!(Ljava/lang/Object;JJ)V"),
+ NATIVE_METHOD(Unsafe, getObjectVolatile, "!(Ljava/lang/Object;J)Ljava/lang/Object;"),
+ NATIVE_METHOD(Unsafe, putObjectVolatile, "!(Ljava/lang/Object;JLjava/lang/Object;)V"),
+ NATIVE_METHOD(Unsafe, getInt, "!(Ljava/lang/Object;J)I"),
+ NATIVE_METHOD(Unsafe, putInt, "!(Ljava/lang/Object;JI)V"),
+ NATIVE_METHOD(Unsafe, putOrderedInt, "!(Ljava/lang/Object;JI)V"),
+ NATIVE_METHOD(Unsafe, getLong, "!(Ljava/lang/Object;J)J"),
+ NATIVE_METHOD(Unsafe, putLong, "!(Ljava/lang/Object;JJ)V"),
+ NATIVE_METHOD(Unsafe, putOrderedLong, "!(Ljava/lang/Object;JJ)V"),
+ NATIVE_METHOD(Unsafe, getObject, "!(Ljava/lang/Object;J)Ljava/lang/Object;"),
+ NATIVE_METHOD(Unsafe, putObject, "!(Ljava/lang/Object;JLjava/lang/Object;)V"),
+ NATIVE_METHOD(Unsafe, putOrderedObject, "!(Ljava/lang/Object;JLjava/lang/Object;)V"),
};
void register_sun_misc_Unsafe(JNIEnv* env) {