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/* This file is part of the dynarmic project.
* Copyright (c) 2024 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#pragma once
#include <cstdint>
#include <new>
#include <biscuit/assembler.hpp>
#include <sys/mman.h>
namespace Dynarmic::Backend::RV64 {
class CodeBlock {
public:
explicit CodeBlock(std::size_t size)
: memsize(size) {
mem = (std::uint32_t*)mmap(nullptr, size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANON | MAP_PRIVATE, -1, 0);
if (mem == nullptr)
throw std::bad_alloc{};
}
~CodeBlock() {
if (mem == nullptr)
return;
munmap(mem, memsize);
}
std::uint32_t* ptr() const {
return mem;
}
protected:
std::uint32_t* mem;
std::size_t memsize = 0;
biscuit::Assembler as;
};
} // namespace Dynarmic::Backend::RV64
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