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// Copyright (c) 2023-2024 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "utils.hpp"
#include <fstream>
#include <iomanip>
#include <ios>
#include <iostream>
#include <memory>
#include <string_view>
#include <cstddef>
#include <stdint.h>
template<typename T>
void write_array(const std::string_view type_name,
const std::byte* bytes,
const size_t size_bytes,
const std::string_view symbol,
std::ostream& os)
{
const size_t size_elements = size_bytes / sizeof(T);
rocrand_tools::write_preamble(os, "bin2typed")
<< "#include \"rocrand/rocrandapi.h\"\n"
<< "\n"
<< "// clang-format off\n"
<< "extern \"C\" ROCRANDAPI const " << type_name << " " << symbol << '[' << size_elements
<< "] =\n"
<< '{';
const T* values = reinterpret_cast<const T*>(bytes);
for(size_t k = 0; k < size_elements; k++)
{
constexpr size_t bits = 8 * sizeof(T);
if(k % bits == 0)
{
os << "\n ";
}
os << "0x" << std::hex << std::setw(sizeof(T) * 2) << std::setfill('0') << values[k]
<< ", ";
}
os << '\n' << "};\n";
}
bool write_as_array_of(const std::string_view type,
const std::byte* bytes,
const size_t size_bytes,
const std::string_view symbol,
std::ostream& os)
{
if(type == "unsigned int")
{
write_array<unsigned int>(type, bytes, size_bytes, symbol, os);
return true;
}
if(type == "unsigned long long")
{
write_array<uint64_t>(type, bytes, size_bytes, symbol, os);
return true;
}
std::cerr << "Unexpected type:" << type
<< " expected \"unsigned int\" or \"unsigned long long\"";
return false;
}
int main(int argc, char const* argv[])
{
using namespace std::string_view_literals;
if(argc != 5 || argv[1] == "--help"sv)
{
std::cout
<< "Convert <binary file> to a C source file treating it as an array with the name "
"<symbol> of unsigned ints or long longs"
<< " and write it to <output>\n"
<< "Usage:\n"
<< " " << argv[0]
<< " <binary file> <symbol> \"unsigned int\"|\"unsigned long long\" <output>\n";
return -1;
}
const std::filesystem::path binary_path(argv[1]);
const std::string_view symbol(argv[2]);
const std::string_view type(argv[3]);
const std::filesystem::path output_path(argv[4]);
std::ifstream input(binary_path, std::ios_base::in | std::ios_base::binary);
std::ofstream output(output_path, std::ios_base::out | std::ios_base::trunc);
const std::uintmax_t input_size = std::filesystem::file_size(binary_path);
auto input_bytes = std::make_unique<std::byte[]>(input_size);
input.read(reinterpret_cast<char*>(input_bytes.get()), input_size);
if(!write_as_array_of(type, input_bytes.get(), input_size, symbol, output))
{
return -1;
}
return 0;
}
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