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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/macro-assembler.h"
#include "src/ppc/assembler-ppc-inl.h"
#include "src/simulator.h"
#include "test/common/assembler-tester.h"
#include "test/unittests/test-utils.h"
#include "testing/gtest-support.h"
namespace v8 {
namespace internal {
#define __ tasm.
// Test the ppc assembler by compiling some simple functions into
// a buffer and executing them. These tests do not initialize the
// V8 library, create a context, or use any V8 objects.
class TurboAssemblerTest : public TestWithIsolate {};
TEST_F(TurboAssemblerTest, TestHardAbort) {
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
static_cast<int>(allocated), CodeObjectRequired::kNo);
// Called from C
__ function_descriptor();
__ set_abort_hard(true);
__ Abort(AbortReason::kNoReason);
CodeDesc desc;
tasm.GetCode(nullptr, &desc);
MakeAssemblerBufferExecutable(buffer, allocated);
// We need an isolate here to execute in the simulator.
auto f = GeneratedCode<void>::FromBuffer(isolate(), buffer);
ASSERT_DEATH_IF_SUPPORTED({ f.Call(); }, "abort: no reason");
}
TEST_F(TurboAssemblerTest, TestCheck) {
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
TurboAssembler tasm(nullptr, AssemblerOptions{}, buffer,
static_cast<int>(allocated), CodeObjectRequired::kNo);
// Called from C
__ function_descriptor();
__ set_abort_hard(true);
// Fail if the first parameter is 17.
__ mov(r4, Operand(17));
__ cmp(r3, r4); // 1st parameter is in {r3}.
__ Check(Condition::ne, AbortReason::kNoReason);
__ Ret();
CodeDesc desc;
tasm.GetCode(nullptr, &desc);
MakeAssemblerBufferExecutable(buffer, allocated);
// We need an isolate here to execute in the simulator.
auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer);
f.Call(0);
f.Call(18);
ASSERT_DEATH_IF_SUPPORTED({ f.Call(17); }, "abort: no reason");
}
#undef __
} // namespace internal
} // namespace v8
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