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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
119 lines
3.3 KiB
C++
119 lines
3.3 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/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 __ masm.
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// Test the ia32 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 MacroAssemblerTest : public TestWithIsolate {};
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TEST_F(MacroAssemblerTest, TestHardAbort) {
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auto buffer = AllocateAssemblerBuffer();
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MacroAssembler masm(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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masm.GetCode(isolate(), &desc);
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buffer->MakeExecutable();
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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(MacroAssemblerTest, TestCheck) {
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auto buffer = AllocateAssemblerBuffer();
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MacroAssembler masm(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 is 17.
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__ mov(eax, 17);
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__ cmp(eax, Operand(esp, 4)); // compare with 1st parameter.
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__ Check(Condition::not_equal, AbortReason::kNoReason);
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__ ret(0);
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CodeDesc desc;
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masm.GetCode(isolate(), &desc);
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buffer->MakeExecutable();
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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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TEST_F(MacroAssemblerTest, TestPCRelLea) {
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auto buffer = AllocateAssemblerBuffer();
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MacroAssembler masm(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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Label pt;
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__ LoadLabelAddress(ecx, &pt);
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__ mov(eax, 42);
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__ call(ecx);
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__ cmp(eax, 56);
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__ Check(Condition::equal, AbortReason::kNoReason);
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__ ret(0);
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__ bind(&pt);
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__ mov(eax, 56);
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__ ret(0);
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CodeDesc desc;
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masm.GetCode(isolate(), &desc);
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buffer->MakeExecutable();
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auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer->start());
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f.Call(0);
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}
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TEST_F(MacroAssemblerTest, TestDefinedPCRelLea) {
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auto buffer = AllocateAssemblerBuffer();
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MacroAssembler masm(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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Label pt, start;
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__ jmp(&start);
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__ bind(&pt);
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__ mov(eax, 56);
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__ ret(0);
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__ bind(&start);
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__ LoadLabelAddress(ecx, &pt);
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__ mov(eax, 42);
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__ call(ecx);
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__ cmp(eax, 56);
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__ Check(Condition::equal, AbortReason::kNoReason);
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__ ret(0);
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CodeDesc desc;
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masm.GetCode(isolate(), &desc);
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buffer->MakeExecutable();
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auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer->start());
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f.Call(0);
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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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