blob: 0b2388430bacd0891674fe5e4f1cccc9844741f9 [file] [log] [blame]
// Copyright (c) 2013, 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_ARM)
#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) {
__ BranchLinkPatchable(&StubCode::InstanceFunctionLookupLabel());
__ Ret();
}
ASSEMBLER_TEST_RUN(Call, test) {
// The return address, which must be the address of an instruction contained
// in the code, points to the Ret instruction above, i.e. one instruction
// before the end of the code buffer.
CallPattern call(test->entry() + test->code().Size() - Instr::kInstrSize,
test->code());
EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
call.TargetAddress());
}
ASSEMBLER_TEST_GENERATE(Jump, assembler) {
__ BranchPatchable(&StubCode::InstanceFunctionLookupLabel());
__ BranchPatchable(&StubCode::AllocateArrayLabel());
}
ASSEMBLER_TEST_RUN(Jump, test) {
JumpPattern jump1(test->entry());
EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
jump1.TargetAddress());
JumpPattern jump2(test->entry() + jump1.pattern_length_in_bytes());
EXPECT_EQ(StubCode::AllocateArrayLabel().address(),
jump2.TargetAddress());
uword target1 = jump1.TargetAddress();
uword target2 = jump2.TargetAddress();
jump1.SetTargetAddress(target2);
jump2.SetTargetAddress(target1);
EXPECT_EQ(StubCode::AllocateArrayLabel().address(),
jump1.TargetAddress());
EXPECT_EQ(StubCode::InstanceFunctionLookupLabel().address(),
jump2.TargetAddress());
}
} // namespace dart
#endif // defined TARGET_ARCH_ARM