v8/test/cctest/test-macro-assembler-ia32.cc

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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
#include "v8.h"
#include "macro-assembler.h"
#include "factory.h"
#include "platform.h"
#include "serialize.h"
#include "cctest.h"
using namespace v8::internal;
#if __GNUC__
#define STDCALL __attribute__((stdcall))
#else
#define STDCALL __stdcall
#endif
typedef int STDCALL F0Type();
typedef F0Type* F0;
#define __ masm->
TEST(LoadAndStoreWithRepresentation) {
v8::internal::V8::Initialize(NULL);
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
&actual_size,
true));
CHECK(buffer);
Isolate* isolate = CcTest::i_isolate();
HandleScope handles(isolate);
MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
__ push(ebx);
__ push(edx);
__ sub(esp, Immediate(1 * kPointerSize));
Label exit;
// Test 1.
__ mov(eax, Immediate(1)); // Test number.
__ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
__ mov(ebx, Immediate(-1));
__ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
__ mov(ebx, Operand(esp, 0 * kPointerSize));
__ mov(edx, Immediate(255));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
__ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
__ cmp(ebx, edx);
__ j(not_equal, &exit);
// Test 2.
__ mov(eax, Immediate(2)); // Test number.
__ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
__ mov(ebx, Immediate(-1));
__ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
__ mov(ebx, Operand(esp, 0 * kPointerSize));
__ mov(edx, Immediate(255));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
__ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
__ mov(edx, Immediate(-1));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
// Test 3.
__ mov(eax, Immediate(3)); // Test number.
__ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
__ mov(ebx, Immediate(-1));
__ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
__ mov(ebx, Operand(esp, 0 * kPointerSize));
__ mov(edx, Immediate(65535));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
__ Load(edx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
__ mov(ebx, Immediate(-1));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
// Test 4.
__ mov(eax, Immediate(4)); // Test number.
__ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
__ mov(ebx, Immediate(-1));
__ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
__ mov(ebx, Operand(esp, 0 * kPointerSize));
__ mov(edx, Immediate(65535));
__ cmp(ebx, edx);
__ j(not_equal, &exit);
__ Load(edx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
__ cmp(ebx, edx);
__ j(not_equal, &exit);
__ xor_(eax, eax); // Success.
__ bind(&exit);
__ add(esp, Immediate(1 * kPointerSize));
__ pop(edx);
__ pop(ebx);
__ ret(0);
CodeDesc desc;
masm->GetCode(&desc);
// Call the function from C++.
int result = FUNCTION_CAST<F0>(buffer)();
CHECK_EQ(0, result);
}
#undef __