diff options
author | Ian Rogers <irogers@google.com> | 2013-10-18 15:42:20 -0700 |
---|---|---|
committer | Ian Rogers <irogers@google.com> | 2013-10-20 14:55:26 -0700 |
commit | 1eb512d33f94d1dd7ea38263307ba0f7a0dfa653 (patch) | |
tree | b4d4d9b16013ab90fb4b40d23013d7ef44bb5852 /runtime/native/sun_misc_Unsafe.cc | |
parent | b917ea1a62aa0ab8eca3f689ef64b5be34e11abb (diff) | |
download | art-1eb512d33f94d1dd7ea38263307ba0f7a0dfa653.zip art-1eb512d33f94d1dd7ea38263307ba0f7a0dfa653.tar.gz art-1eb512d33f94d1dd7ea38263307ba0f7a0dfa653.tar.bz2 |
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
Diffstat (limited to 'runtime/native/sun_misc_Unsafe.cc')
-rw-r--r-- | runtime/native/sun_misc_Unsafe.cc | 74 |
1 files changed, 37 insertions, 37 deletions
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_compareAndSwapInt(JNIEnv* env, jobject, jobject javaObj, } 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_compareAndSwapLong(JNIEnv* env, jobject, jobject javaObj, } 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 jboolean Unsafe_compareAndSwapObject(JNIEnv* env, jobject, jobject javaOb } 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 void Unsafe_putOrderedObject(JNIEnv* env, jobject, jobject javaObj, jlong } 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) { |