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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.
*/
#ifndef ART_COMPILER_UTILS_JNI_MACRO_ASSEMBLER_TEST_H_
#define ART_COMPILER_UTILS_JNI_MACRO_ASSEMBLER_TEST_H_
#include "jni_macro_assembler.h"
#include "assembler_test_base.h"
#include "base/malloc_arena_pool.h"
#include "common_runtime_test.h" // For ScratchFile
#include <sys/stat.h>
#include <cstdio>
#include <cstdlib>
#include <fstream>
#include <iterator>
namespace art {
template<typename Ass>
class JNIMacroAssemblerTest : public testing::Test {
public:
Ass* GetAssembler() {
return assembler_.get();
}
typedef std::string (*TestFn)(JNIMacroAssemblerTest* assembler_test, Ass* assembler);
void DriverFn(TestFn f, const std::string& test_name) {
DriverWrapper(f(this, assembler_.get()), test_name);
}
// This driver assumes the assembler has already been called.
void DriverStr(const std::string& assembly_string, const std::string& test_name) {
DriverWrapper(assembly_string, test_name);
}
// This is intended to be run as a test.
bool CheckTools() {
return test_helper_->CheckTools();
}
protected:
JNIMacroAssemblerTest() {}
void SetUp() override {
allocator_.reset(new ArenaAllocator(&pool_));
assembler_.reset(CreateAssembler(allocator_.get()));
test_helper_.reset(
new AssemblerTestInfrastructure(GetArchitectureString(),
GetAssemblerCmdName(),
GetAssemblerParameters(),
GetObjdumpCmdName(),
GetObjdumpParameters(),
GetDisassembleCmdName(),
GetDisassembleParameters(),
GetAssemblyHeader()));
SetUpHelpers();
}
void TearDown() override {
test_helper_.reset(); // Clean up the helper.
assembler_.reset();
allocator_.reset();
}
// Override this to set up any architecture-specific things, e.g., CPU revision.
virtual Ass* CreateAssembler(ArenaAllocator* allocator) {
return new (allocator) Ass(allocator);
}
// Override this to set up any architecture-specific things, e.g., register vectors.
virtual void SetUpHelpers() {}
// Get the typically used name for this architecture, e.g., aarch64, x86_64, ...
virtual std::string GetArchitectureString() = 0;
// Get the name of the assembler, e.g., "as" by default.
virtual std::string GetAssemblerCmdName() {
return "as";
}
// Switches to the assembler command. Default none.
virtual std::string GetAssemblerParameters() {
return "";
}
// Get the name of the objdump, e.g., "objdump" by default.
virtual std::string GetObjdumpCmdName() {
return "objdump";
}
// Switches to the objdump command. Default is " -h".
virtual std::string GetObjdumpParameters() {
return " -h";
}
// Get the name of the objdump, e.g., "objdump" by default.
virtual std::string GetDisassembleCmdName() {
return "objdump";
}
// Switches to the objdump command. As it's a binary, one needs to push the architecture and
// such to objdump, so it's architecture-specific and there is no default.
virtual std::string GetDisassembleParameters() = 0;
// If the assembly file needs a header, return it in a sub-class.
virtual const char* GetAssemblyHeader() {
return nullptr;
}
private:
// Override this to pad the code with NOPs to a certain size if needed.
virtual void Pad(std::vector<uint8_t>& data ATTRIBUTE_UNUSED) {
}
void DriverWrapper(const std::string& assembly_text, const std::string& test_name) {
assembler_->FinalizeCode();
size_t cs = assembler_->CodeSize();
std::unique_ptr<std::vector<uint8_t>> data(new std::vector<uint8_t>(cs));
MemoryRegion code(&(*data)[0], data->size());
assembler_->FinalizeInstructions(code);
Pad(*data);
test_helper_->Driver(*data, assembly_text, test_name);
}
MallocArenaPool pool_;
std::unique_ptr<ArenaAllocator> allocator_;
std::unique_ptr<Ass> assembler_;
std::unique_ptr<AssemblerTestInfrastructure> test_helper_;
DISALLOW_COPY_AND_ASSIGN(JNIMacroAssemblerTest);
};
} // namespace art
#endif // ART_COMPILER_UTILS_JNI_MACRO_ASSEMBLER_TEST_H_
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