942a67ca01
This is a reland of commit 491de34bcc
co-authors: Ji Qiu <qiuji@iscas.ac.cn>
Alvise De Faveri Tron <elvisilde@gmail.com>
Usman Zain <uszain@gmail.com>
Zheng Quan <vitalyankh@gmail.com>
Original change's description:
> [riscv32] Add RISCV32 backend
>
> This very large changeset adds support for RISCV32.
>
> Bug: v8:13025
> Change-Id: Ieacc857131e6620f0fcfd7daa88a0f8d77056aa9
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3736732
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Yahan Lu <yahan@iscas.ac.cn>
> Reviewed-by: ji qiu <qiuji@iscas.ac.cn>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Reviewed-by: Hannes Payer <hpayer@chromium.org>
> Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#82053}
Bug: v8:13025
Change-Id: I220fae4b8e2679bdc111724e08817b079b373bd5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3807124
Commit-Queue: Yahan Lu <yahan@iscas.ac.cn>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: ji qiu <qiuji@iscas.ac.cn>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82198}
65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
// Copyright 2021 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/codegen/assembler-inl.h"
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#include "src/codegen/macro-assembler.h"
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#include "src/execution/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 x64 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(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
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buffer->CreateView());
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__ set_root_array_available(false);
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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(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
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buffer->CreateView());
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__ set_root_array_available(false);
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__ set_abort_hard(true);
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// Fail if the first parameter (in {a0}) is 17.
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__ Check(Condition::ne, AbortReason::kNoReason, a0, Operand(17));
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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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