// SPDX-License-Identifier: MIT
/*
$info$
tags: LinuxSyscalls|syscalls-x86-32
$end_info$
*/

#include "LinuxSyscalls/Syscalls.h"
#include "LinuxSyscalls/x32/Syscalls.h"
#include "LinuxSyscalls/x64/Syscalls.h"
#include <FEXCore/Core/Context.h>
#include <FEXCore/Core/CoreState.h>
#include <FEXCore/Debug/InternalThreadState.h>
#include <FEXCore/Utils/MathUtils.h>

#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/shm.h>
#include <system_error>
#include <filesystem>

namespace FEX::HLE::x32 {

void RegisterMemory(FEX::HLE::SyscallHandler* Handler) {
  struct old_mmap_struct {
    uint32_t addr;
    uint32_t len;
    uint32_t prot;
    uint32_t flags;
    uint32_t fd;
    uint32_t offset;
  };
  REGISTER_SYSCALL_IMPL_X32(mmap, [](FEXCore::Core::CpuStateFrame* Frame, const old_mmap_struct* arg) -> uint64_t {
    return reinterpret_cast<uint64_t>(FEX::HLE::_SyscallHandler->GuestMmap(false, Frame->Thread, reinterpret_cast<void*>(arg->addr),
                                                                           arg->len, arg->prot, arg->flags, arg->fd, arg->offset));
  });

  REGISTER_SYSCALL_IMPL_X32(
    mmap2, [](FEXCore::Core::CpuStateFrame* Frame, uint32_t addr, uint32_t length, int prot, int flags, int fd, uint32_t pgoffset) -> uint64_t {
      return reinterpret_cast<uint64_t>(FEX::HLE::_SyscallHandler->GuestMmap(false, Frame->Thread, reinterpret_cast<void*>(addr), length,
                                                                             prot, flags, fd, (uint64_t)pgoffset * 0x1000));
    });

  REGISTER_SYSCALL_IMPL_X32(munmap, [](FEXCore::Core::CpuStateFrame* Frame, void* addr, size_t length) -> uint64_t {
    return FEX::HLE::_SyscallHandler->GuestMunmap(Frame->Thread, addr, length);
  });

  REGISTER_SYSCALL_IMPL_X32(mprotect, [](FEXCore::Core::CpuStateFrame* Frame, void* addr, uint32_t len, int prot) -> uint64_t {
    return FEX::HLE::_SyscallHandler->GuestMprotect(Frame->Thread, addr, len, prot);
  });

  REGISTER_SYSCALL_IMPL_X32(
    mremap, [](FEXCore::Core::CpuStateFrame* Frame, void* old_address, size_t old_size, size_t new_size, int flags, void* new_address) -> uint64_t {
      return FEX::HLE::_SyscallHandler->GuestMremap(false, Frame->Thread, old_address, old_size, new_size, flags, new_address);
    });

  REGISTER_SYSCALL_IMPL_X32(mlockall, [](FEXCore::Core::CpuStateFrame* Frame, int flags) -> uint64_t {
    uint64_t Result = ::syscall(SYSCALL_DEF(mlock2), reinterpret_cast<void*>(0x1'0000), 0x1'0000'0000ULL - 0x1'0000, flags);
    SYSCALL_ERRNO();
  });

  REGISTER_SYSCALL_IMPL_X32(munlockall, [](FEXCore::Core::CpuStateFrame* Frame) -> uint64_t {
    uint64_t Result = ::munlock(reinterpret_cast<void*>(0x1'0000), 0x1'0000'0000ULL - 0x1'0000);
    SYSCALL_ERRNO();
  });

  REGISTER_SYSCALL_IMPL_X32(shmat, [](FEXCore::Core::CpuStateFrame* Frame, int shmid, const void* shmaddr, int shmflg) -> uint64_t {
    return FEX::HLE::_SyscallHandler->GuestShmat(false, Frame->Thread, shmid, shmaddr, shmflg);
  });

  REGISTER_SYSCALL_IMPL_X32(shmdt, [](FEXCore::Core::CpuStateFrame* Frame, const void* shmaddr) -> uint64_t {
    return FEX::HLE::_SyscallHandler->GuestShmdt(false, Frame->Thread, shmaddr);
  });
}

} // namespace FEX::HLE::x32