Fix bug in long arguments for JNI on x86
Also add new unit test.
Change-Id: I226501dbfec6e207318d8063b5daf53b7b606ee4
diff --git a/src/assembler_x86.cc b/src/assembler_x86.cc
index 59fd33e..6334bd9 100644
--- a/src/assembler_x86.cc
+++ b/src/assembler_x86.cc
@@ -1410,6 +1410,11 @@
} else if (src.IsCpuRegister()) {
CHECK_EQ(4u, size);
movl(Address(ESP, offs), src.AsCpuRegister());
+ } else if (src.IsRegisterPair()) {
+ CHECK_EQ(8u, size);
+ movl(Address(ESP, offs), src.AsRegisterPairLow());
+ movl(Address(ESP, FrameOffset(offs.Int32Value()+4)),
+ src.AsRegisterPairHigh());
} else if (src.IsX87Register()) {
if (size == 4) {
fstps(Address(ESP, offs));
@@ -1459,6 +1464,10 @@
} else if (dest.IsCpuRegister()) {
CHECK_EQ(4u, size);
movl(dest.AsCpuRegister(), Address(ESP, src));
+ } else if (dest.IsRegisterPair()) {
+ CHECK_EQ(8u, size);
+ movl(dest.AsRegisterPairLow(), Address(ESP, src));
+ movl(dest.AsRegisterPairHigh(), Address(ESP, FrameOffset(src.Int32Value()+4)));
} else if (dest.IsX87Register()) {
if (size == 4) {
flds(Address(ESP, src));
diff --git a/src/jni_compiler_test.cc b/src/jni_compiler_test.cc
index 933970b..19f695d 100644
--- a/src/jni_compiler_test.cc
+++ b/src/jni_compiler_test.cc
@@ -143,6 +143,32 @@
EXPECT_EQ(2, gJava_MyClass_fooII_calls);
}
+int gJava_MyClass_fooJJ_calls = 0;
+jlong Java_MyClass_fooJJ(JNIEnv* env, jobject thisObj, jlong x, jlong y) {
+ EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
+ EXPECT_EQ(Thread::kNative, Thread::Current()->GetState());
+ EXPECT_EQ(Thread::Current()->GetJniEnv(), env);
+ EXPECT_TRUE(thisObj != NULL);
+ EXPECT_TRUE(env->IsInstanceOf(thisObj, JniCompilerTest::jklass_));
+ gJava_MyClass_fooJJ_calls++;
+ return x - y; // non-commutative operator
+}
+
+TEST_F(JniCompilerTest, CompileAndRunLongLongMethod) {
+ SetupForTest(false, "fooJJ", "(JJ)J",
+ reinterpret_cast<void*>(&Java_MyClass_fooJJ));
+
+ EXPECT_EQ(0, gJava_MyClass_fooJJ_calls);
+ jlong a = 0x1234567890ABCDEFll;
+ jlong b = 0xFEDCBA0987654321ll;
+ jlong result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, a, b);
+ EXPECT_EQ(a - b, result);
+ EXPECT_EQ(1, gJava_MyClass_fooJJ_calls);
+ result = env_->CallNonvirtualLongMethod(jobj_, jklass_, jmethod_, b, a);
+ EXPECT_EQ(b - a, result);
+ EXPECT_EQ(2, gJava_MyClass_fooJJ_calls);
+}
+
int gJava_MyClass_fooDD_calls = 0;
jdouble Java_MyClass_fooDD(JNIEnv* env, jobject thisObj, jdouble x, jdouble y) {
EXPECT_EQ(1u, Thread::Current()->NumSirtReferences());
@@ -444,13 +470,13 @@
EXPECT_EQ(55, result);
}
-jobject Java_MyClass_fooL(JNIEnv* env, jobject thisObj, jobject x) {
+jobject Java_MyClass_fooO(JNIEnv* env, jobject thisObj, jobject x) {
return env->NewGlobalRef(x);
}
TEST_F(JniCompilerTest, DecodeJObject) {
- SetupForTest(false, "fooL", "(Ljava/lang/Object;)Ljava/lang/Object;",
- reinterpret_cast<void*>(&Java_MyClass_fooL));
+ SetupForTest(false, "fooO", "(Ljava/lang/Object;)Ljava/lang/Object;",
+ reinterpret_cast<void*>(&Java_MyClass_fooO));
jobject result = env_->CallNonvirtualObjectMethod(jobj_, jklass_, jmethod_, jobj_);
EXPECT_EQ(JNILocalRefType, env_->GetObjectRefType(result));
EXPECT_TRUE(env_->IsSameObject(result, jobj_));
diff --git a/test/MyClassNatives/MyClassNatives.java b/test/MyClassNatives/MyClassNatives.java
index f8b81d4..e296684 100644
--- a/test/MyClassNatives/MyClassNatives.java
+++ b/test/MyClassNatives/MyClassNatives.java
@@ -5,7 +5,8 @@
native void foo();
native int fooI(int x);
native int fooII(int x, int y);
- native Object fooL(Object x);
+ native long fooJJ(long x, long y);
+ native Object fooO(Object x);
native double fooDD(double x, double y);
native Object fooIOO(int x, Object y, Object z);
static native Object fooSIOO(int x, Object y, Object z);