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Unified Diff: runtime/vm/instructions_x64_test.cc

Issue 8896017: Port jump and call instruction decoding and patching for x64. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 9 years ago
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Index: runtime/vm/instructions_x64_test.cc
===================================================================
--- runtime/vm/instructions_x64_test.cc (revision 0)
+++ runtime/vm/instructions_x64_test.cc (revision 0)
@@ -0,0 +1,55 @@
+// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#include "vm/globals.h"
+#if defined(TARGET_ARCH_X64)
+
+#include "vm/assembler.h"
+#include "vm/instructions.h"
+#include "vm/stub_code.h"
+#include "vm/unit_test.h"
+
+namespace dart {
+
+#define __ assembler->
+
+ASSEMBLER_TEST_GENERATE(Call, assembler) {
+ __ call(&StubCode::MegamorphicLookupLabel());
+ __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Call, entry) {
+ Call call(entry);
+ EXPECT_EQ(StubCode::MegamorphicLookupLabel().address(), call.TargetAddress());
+}
+
+
+ASSEMBLER_TEST_GENERATE(Jump, assembler) {
+ __ jmp(&StubCode::MegamorphicLookupLabel());
+ __ jmp(&StubCode::OptimizeInvokedFunctionLabel());
+ __ ret();
+}
+
+
+ASSEMBLER_TEST_RUN(Jump, entry) {
+ Jump jump1(entry);
+ EXPECT_EQ(StubCode::MegamorphicLookupLabel().address(),
+ jump1.TargetAddress());
+ Jump jump2(entry + jump1.pattern_length_in_bytes());
+ EXPECT_EQ(StubCode::OptimizeInvokedFunctionLabel().address(),
+ jump2.TargetAddress());
+ uword target1 = jump1.TargetAddress();
+ uword target2 = jump2.TargetAddress();
+ jump1.SetTargetAddress(target2);
+ jump2.SetTargetAddress(target1);
+ EXPECT_EQ(StubCode::OptimizeInvokedFunctionLabel().address(),
+ jump1.TargetAddress());
+ EXPECT_EQ(StubCode::MegamorphicLookupLabel().address(),
+ jump2.TargetAddress());
+}
+
+} // namespace dart
+
+#endif // defined TARGET_ARCH_X64

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