69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
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// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/macro-assembler.h"
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#include "src/s390/assembler-s390-inl.h"
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#include "src/simulator.h"
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#include "test/common/assembler-tester.h"
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#include "test/unittests/test-utils.h"
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#include "testing/gtest-support.h"
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namespace v8 {
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namespace internal {
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#define __ tasm.
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// Test the s390 assembler by compiling some simple functions into
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// a buffer and executing them. These tests do not initialize the
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// V8 library, create a context, or use any V8 objects.
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class TurboAssemblerTest : public TestWithIsolate {};
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TEST_F(TurboAssemblerTest, TestHardAbort) {
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size_t allocated;
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byte* buffer = AllocateAssemblerBuffer(&allocated);
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TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
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static_cast<int>(allocated), CodeObjectRequired::kNo);
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__ set_abort_hard(true);
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__ Abort(AbortReason::kNoReason);
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CodeDesc desc;
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tasm.GetCode(nullptr, &desc);
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MakeAssemblerBufferExecutable(buffer, allocated);
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// We need an isolate here to execute in the simulator.
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auto f = GeneratedCode<void>::FromBuffer(isolate(), buffer);
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ASSERT_DEATH_IF_SUPPORTED({ f.Call(); }, "abort: no reason");
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}
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TEST_F(TurboAssemblerTest, TestCheck) {
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size_t allocated;
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byte* buffer = AllocateAssemblerBuffer(&allocated);
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TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
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static_cast<int>(allocated), CodeObjectRequired::kNo);
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__ set_abort_hard(true);
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// Fail if the first parameter is 17.
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__ lgfi(r3, Operand(17));
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__ CmpP(r2, r3); // 1st parameter is in {r2}.
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__ Check(Condition::ne, AbortReason::kNoReason);
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__ Ret();
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CodeDesc desc;
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tasm.GetCode(nullptr, &desc);
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MakeAssemblerBufferExecutable(buffer, allocated);
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// We need an isolate here to execute in the simulator.
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auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer);
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f.Call(0);
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f.Call(18);
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ASSERT_DEATH_IF_SUPPORTED({ f.Call(17); }, "abort: no reason");
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}
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#undef __
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} // namespace internal
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} // namespace v8
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