3ed8675b9c
Port 1a1f4e1ef4
Original Commit Message:
Refactor the AllocateAssemblerBuffer helper for the new Assembler API.
This is the only non-mechanical part, all other callsites that create
Assembler instances can be trivially changed to the new API. This will
be done in a separate CL.
R=clemensh@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N
Change-Id: I8e22f8c2b6c2b1b9158969d28d4edf291a84bcf0
Reviewed-on: https://chromium-review.googlesource.com/c/1416952
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Joran Siu <joransiu@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#58897}
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
// 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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auto buffer = AllocateAssemblerBuffer();
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TurboAssembler tasm(nullptr, AssemblerOptions{}, CodeObjectRequired::kNo,
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buffer->CreateView());
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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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buffer->MakeExecutable();
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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->start());
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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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auto buffer = AllocateAssemblerBuffer();
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TurboAssembler tasm(nullptr, AssemblerOptions{}, CodeObjectRequired::kNo,
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buffer->CreateView());
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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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buffer->MakeExecutable();
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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->start());
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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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