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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "builder.h"
#include "code_generator.h"
#include "common_compiler_test.h"
#include "dex_instruction.h"
#include "instruction_set.h"
#include "nodes.h"
#include "gtest/gtest.h"
namespace art {
class ExecutableMemoryAllocator : public CodeAllocator {
public:
ExecutableMemoryAllocator() { }
virtual uint8_t* Allocate(size_t size) {
memory_.reset(new uint8_t[size]);
CommonCompilerTest::MakeExecutable(memory_.get(), size);
return memory_.get();
}
uint8_t* memory() const { return memory_.get(); }
private:
UniquePtr<uint8_t[]> memory_;
DISALLOW_COPY_AND_ASSIGN(ExecutableMemoryAllocator);
};
static void TestCode(const uint16_t* data, int length) {
ArenaPool pool;
ArenaAllocator arena(&pool);
HGraphBuilder builder(&arena);
HGraph* graph = builder.BuildGraph(data, data + length);
ASSERT_NE(graph, nullptr);
ExecutableMemoryAllocator allocator;
CHECK(CodeGenerator::CompileGraph(graph, kX86, &allocator));
typedef void (*fptr)();
#if defined(__i386__)
reinterpret_cast<fptr>(allocator.memory())();
#endif
CHECK(CodeGenerator::CompileGraph(graph, kArm, &allocator));
#if defined(__arm__)
reinterpret_cast<fptr>(allocator.memory())();
#endif
}
TEST(CodegenTest, ReturnVoid) {
const uint16_t data[] = { Instruction::RETURN_VOID };
TestCode(data, sizeof(data) / sizeof(uint16_t));
}
TEST(PrettyPrinterTest, CFG1) {
const uint16_t data[] = {
Instruction::GOTO | 0x100,
Instruction::RETURN_VOID
};
TestCode(data, sizeof(data) / sizeof(uint16_t));
}
TEST(PrettyPrinterTest, CFG2) {
const uint16_t data[] = {
Instruction::GOTO | 0x100,
Instruction::GOTO | 0x100,
Instruction::RETURN_VOID
};
TestCode(data, sizeof(data) / sizeof(uint16_t));
}
TEST(PrettyPrinterTest, CFG3) {
const uint16_t data1[] = {
Instruction::GOTO | 0x200,
Instruction::RETURN_VOID,
Instruction::GOTO | 0xFF00
};
TestCode(data1, sizeof(data1) / sizeof(uint16_t));
const uint16_t data2[] = {
Instruction::GOTO_16, 3,
Instruction::RETURN_VOID,
Instruction::GOTO_16, 0xFFFF
};
TestCode(data2, sizeof(data2) / sizeof(uint16_t));
const uint16_t data3[] = {
Instruction::GOTO_32, 4, 0,
Instruction::RETURN_VOID,
Instruction::GOTO_32, 0xFFFF, 0xFFFF
};
TestCode(data3, sizeof(data3) / sizeof(uint16_t));
}
TEST(PrettyPrinterTest, CFG4) {
const uint16_t data[] = {
Instruction::RETURN_VOID,
Instruction::GOTO | 0x100,
Instruction::GOTO | 0xFE00
};
TestCode(data, sizeof(data) / sizeof(uint16_t));
}
} // namespace art
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