93
94 @Test
95 public void testNarrowDataSectionReference() {
96 Assume.assumeTrue(config.useCompressedOops);
97 test(asm -> {
98 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
99 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
100 HotSpotConstant cCompressed = (HotSpotConstant) c.compress();
101 DataSectionReference ref = asm.emitDataItem(cCompressed);
102 Register compressed = asm.emitLoadNarrowPointer(ref);
103 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
104 asm.emitPointerRet(ret);
105 });
106 }
107
108 @Test
109 public void testInlineMetadata() {
110 test(asm -> {
111 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
112 Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type));
113 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
114 asm.emitPointerRet(ret);
115 });
116 }
117
118 @Test
119 public void testInlineNarrowMetadata() {
120 Assume.assumeTrue(config.useCompressedClassPointers);
121 test(asm -> {
122 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
123 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
124 Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress());
125 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
126 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
127 asm.emitPointerRet(ret);
128 });
129 }
130
131 @Test
132 public void testMetadataInDataSection() {
133 test(asm -> {
134 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
135 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
136 DataSectionReference ref = asm.emitDataItem(hub);
137 Register klass = asm.emitLoadPointer(ref);
138 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
139 asm.emitPointerRet(ret);
140 });
141 }
142
143 @Test
144 public void testNarrowMetadataInDataSection() {
145 Assume.assumeTrue(config.useCompressedClassPointers);
146 test(asm -> {
147 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
148 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
149 HotSpotConstant narrowHub = (HotSpotConstant) hub.compress();
150 DataSectionReference ref = asm.emitDataItem(narrowHub);
151 Register narrowKlass = asm.emitLoadNarrowPointer(ref);
152 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
153 Register ret = asm.emitLoadPointer(klass, config.classMirrorOffset);
154 asm.emitPointerRet(ret);
155 });
156 }
157 }
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93
94 @Test
95 public void testNarrowDataSectionReference() {
96 Assume.assumeTrue(config.useCompressedOops);
97 test(asm -> {
98 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
99 HotSpotConstant c = (HotSpotConstant) constantReflection.asJavaClass(type);
100 HotSpotConstant cCompressed = (HotSpotConstant) c.compress();
101 DataSectionReference ref = asm.emitDataItem(cCompressed);
102 Register compressed = asm.emitLoadNarrowPointer(ref);
103 Register ret = asm.emitUncompressPointer(compressed, config.narrowOopBase, config.narrowOopShift);
104 asm.emitPointerRet(ret);
105 });
106 }
107
108 @Test
109 public void testInlineMetadata() {
110 test(asm -> {
111 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
112 Register klass = asm.emitLoadPointer((HotSpotConstant) constantReflection.asObjectHub(type));
113 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0);
114 asm.emitPointerRet(ret);
115 });
116 }
117
118 @Test
119 public void testInlineNarrowMetadata() {
120 Assume.assumeTrue(config.useCompressedClassPointers);
121 test(asm -> {
122 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
123 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
124 Register narrowKlass = asm.emitLoadPointer((HotSpotConstant) hub.compress());
125 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
126 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0);
127 asm.emitPointerRet(ret);
128 });
129 }
130
131 @Test
132 public void testMetadataInDataSection() {
133 test(asm -> {
134 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
135 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
136 DataSectionReference ref = asm.emitDataItem(hub);
137 Register klass = asm.emitLoadPointer(ref);
138 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0);
139 asm.emitPointerRet(ret);
140 });
141 }
142
143 @Test
144 public void testNarrowMetadataInDataSection() {
145 Assume.assumeTrue(config.useCompressedClassPointers);
146 test(asm -> {
147 ResolvedJavaType type = metaAccess.lookupJavaType(getConstClass());
148 HotSpotConstant hub = (HotSpotConstant) constantReflection.asObjectHub(type);
149 HotSpotConstant narrowHub = (HotSpotConstant) hub.compress();
150 DataSectionReference ref = asm.emitDataItem(narrowHub);
151 Register narrowKlass = asm.emitLoadNarrowPointer(ref);
152 Register klass = asm.emitUncompressPointer(narrowKlass, config.narrowKlassBase, config.narrowKlassShift);
153 Register ret = asm.emitLoadPointer(asm.emitLoadPointer(klass, config.classMirrorHandleOffset), 0);
154 asm.emitPointerRet(ret);
155 });
156 }
157 }
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