zra@google.com
df2054dae7
R=fschneider@google.com, srdjan@google.com Review URL: https://codereview.chromium.org//22825023 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@27295 260f80e4-7a28-3924-810f-c04153c831b5
61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "vm/globals.h"
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#if defined(TARGET_ARCH_ARM)
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#include "vm/assembler.h"
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#include "vm/instructions.h"
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#include "vm/stub_code.h"
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#include "vm/unit_test.h"
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namespace dart {
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#define __ assembler->
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ASSEMBLER_TEST_GENERATE(Call, assembler) {
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__ BranchLinkPatchable(&StubCode::InstanceFunctionLookupLabel());
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__ Ret();
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}
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ASSEMBLER_TEST_RUN(Call, test) {
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// The return address, which must be the address of an instruction contained
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// in the code, points to the Ret instruction above, i.e. one instruction
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// before the end of the code buffer.
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CallPattern call(test->entry() + test->code().Size() - Instr::kInstrSize,
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test->code());
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EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
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call.TargetAddress());
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}
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ASSEMBLER_TEST_GENERATE(Jump, assembler) {
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__ BranchPatchable(&StubCode::InstanceFunctionLookupLabel());
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__ BranchPatchable(&StubCode::AllocateArrayLabel());
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}
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ASSEMBLER_TEST_RUN(Jump, test) {
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JumpPattern jump1(test->entry(), test->code());
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EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
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jump1.TargetAddress());
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JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes(),
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test->code());
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EXPECT_EQ(StubCode::AllocateArrayLabel().address(),
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jump2.TargetAddress());
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uword target1 = jump1.TargetAddress();
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uword target2 = jump2.TargetAddress();
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jump1.SetTargetAddress(target2);
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jump2.SetTargetAddress(target1);
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EXPECT_EQ(StubCode::AllocateArrayLabel().address(),
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jump1.TargetAddress());
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EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
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jump2.TargetAddress());
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}
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} // namespace dart
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#endif // defined TARGET_ARCH_ARM
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