v8/test/cctest/test-macro-assembler-arm.cc
2016-10-20 10:15:34 +00:00

138 lines
4.8 KiB
C++

// 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 "src/v8.h"
#include "test/cctest/cctest.h"
#include "src/macro-assembler.h"
#include "src/arm/macro-assembler-arm.h"
#include "src/arm/simulator-arm.h"
using namespace v8::internal;
typedef void* (*F)(int x, int y, int p2, int p3, int p4);
#define __ masm->
typedef int (*F5)(void*, void*, void*, void*, void*);
TEST(LoadAndStoreWithRepresentation) {
// Allocate an executable page of memory.
size_t actual_size;
byte* buffer = static_cast<byte*>(v8::base::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),
v8::internal::CodeObjectRequired::kYes);
MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
__ sub(sp, sp, Operand(1 * kPointerSize));
Label exit;
// Test 1.
__ mov(r0, Operand(1)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::UInteger8());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(255));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(255));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::UInteger8());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 2.
__ mov(r0, Operand(2)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::Integer8());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(255));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(-1));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::Integer8());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 3.
__ mov(r0, Operand(3)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::UInteger16());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(65535));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(65535));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::UInteger16());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 4.
__ mov(r0, Operand(4)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::Integer16());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(65535));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(-1));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::Integer16());
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r0, Operand(0)); // Success.
__ bind(&exit);
__ add(sp, sp, Operand(1 * kPointerSize));
__ bx(lr);
CodeDesc desc;
masm->GetCode(&desc);
Handle<Code> code = isolate->factory()->NewCode(
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
// Call the function from C++.
F5 f = FUNCTION_CAST<F5>(code->entry());
CHECK(!CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
}
#undef __