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

#include "LinuxSyscalls/Syscalls.h"
#include "LinuxSyscalls/x32/Syscalls.h"
#include "LinuxSyscalls/x32/Types.h"
#include "LinuxSyscalls/x64/Syscalls.h"

#include <FEXCore/Utils/LogManager.h>
#include <FEXCore/fextl/vector.h>

#include <alloca.h>
#include <cstdint>
#include <cstring>
#include <memory>
#include <stddef.h>
#include <sys/socket.h>
#include <unistd.h>

ARG_TO_STR(FEX::HLE::x32::compat_ptr<FEX::HLE::x32::mmsghdr_32>, "%lx")
ARG_TO_STR(FEX::HLE::x32::compat_ptr<void>, "%lx")
ARG_TO_STR(FEX::HLE::x32::compat_ptr<uint32_t>, "%lx")

namespace FEXCore::Core {
  struct CpuStateFrame;
}

namespace FEX::HLE::x32 {

// Some sockopt defines for older build environments
#ifndef SO_RCVTIMEO_OLD
#define SO_RCVTIMEO_OLD 20
#endif
#ifndef SO_SNDTIMEO_OLD
#define SO_SNDTIMEO_OLD 21
#endif
#ifndef SO_TIMESTAMP_OLD
#define SO_TIMESTAMP_OLD 29
#endif
#ifndef SO_TIMESTAMPNS_OLD
#define SO_TIMESTAMPNS_OLD 35
#endif
#ifndef SO_TIMESTAMPING_OLD
#define SO_TIMESTAMPING_OLD 37
#endif
#ifndef SO_MEMINFO
#define SO_MEMINFO 55
#endif
#ifndef SO_INCOMING_NAPI_ID
#define SO_INCOMING_NAPI_ID 56
#endif
#ifndef SO_PEERGROUPS
#define SO_PEERGROUPS 59
#endif
#ifndef SO_ZEROCOPY
#define SO_ZEROCOPY 60
#endif
#ifndef SO_TXTIME
#define SO_TXTIME 61
#endif
#ifndef SO_BINDTOIFINDEX
#define SO_BINDTOIFINDEX 62
#endif
#ifndef SO_TIMESTAMP_NEW
#define SO_TIMESTAMP_NEW 63
#endif
#ifndef SO_TIMESTAMPNS_NEW
#define SO_TIMESTAMPNS_NEW 64
#endif
#ifndef SO_TIMESTAMPING_NEW
#define SO_TIMESTAMPING_NEW 65
#endif
#ifndef SO_RCVTIMEO_NEW
#define SO_RCVTIMEO_NEW 66
#endif
#ifndef SO_SNDTIMEO_NEW
#define SO_SNDTIMEO_NEW 67
#endif
#ifndef SO_DETACH_REUSEPORT_BPF
#define SO_DETACH_REUSEPORT_BPF 68
#endif
#ifndef SO_PREFER_BUSY_POLL
#define SO_PREFER_BUSY_POLL	69
#endif
#ifndef SO_BUSY_POLL_BUDGET
#define SO_BUSY_POLL_BUDGET	70
#endif
#ifndef SO_NETNS_COOKIE
#define SO_NETNS_COOKIE 71
#endif
#ifndef SO_BUF_LOCK
#define SO_BUF_LOCK 72
#endif
#ifndef SO_RESERVE_MEM
#define SO_RESERVE_MEM 73
#endif

  enum SockOp {
    OP_SOCKET = 1,
    OP_BIND = 2,
    OP_CONNECT = 3,
    OP_LISTEN = 4,
    OP_ACCEPT = 5,
    OP_GETSOCKNAME = 6,
    OP_GETPEERNAME = 7,
    OP_SOCKETPAIR = 8,
    OP_SEND = 9,
    OP_RECV = 10,
    OP_SENDTO = 11,
    OP_RECVFROM = 12,
    OP_SHUTDOWN = 13,
    OP_SETSOCKOPT = 14,
    OP_GETSOCKOPT = 15,
    OP_SENDMSG = 16,
    OP_RECVMSG = 17,
    OP_ACCEPT4 = 18,
    OP_RECVMMSG = 19,
    OP_SENDMMSG = 20,
  };

  static uint64_t SendMsg(int sockfd, const struct msghdr32 *msg, int flags) {
    struct msghdr HostHeader{};
    fextl::vector<iovec> Host_iovec(msg->msg_iovlen);
    for (size_t i = 0; i < msg->msg_iovlen; ++i) {
      Host_iovec[i] = msg->msg_iov[i];
    }

    HostHeader.msg_name = msg->msg_name;
    HostHeader.msg_namelen = msg->msg_namelen;

    HostHeader.msg_iov = Host_iovec.data();
    HostHeader.msg_iovlen = msg->msg_iovlen;

    HostHeader.msg_control = alloca(msg->msg_controllen * 2);
    HostHeader.msg_controllen = msg->msg_controllen;

    HostHeader.msg_flags = msg->msg_flags;
    if (HostHeader.msg_controllen) {
      void *CurrentGuestPtr = msg->msg_control;
      struct cmsghdr *CurrentHost = reinterpret_cast<struct cmsghdr*>(HostHeader.msg_control);

      for (cmsghdr32 *msghdr_guest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr);
          CurrentGuestPtr != 0;
          msghdr_guest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr)) {

        CurrentHost->cmsg_level = msghdr_guest->cmsg_level;
        CurrentHost->cmsg_type = msghdr_guest->cmsg_type;

        if (msghdr_guest->cmsg_len) {
          size_t SizeIncrease = (CMSG_LEN(0) - sizeof(cmsghdr32));
          CurrentHost->cmsg_len = msghdr_guest->cmsg_len + SizeIncrease;
          HostHeader.msg_controllen += SizeIncrease;
          memcpy(CMSG_DATA(CurrentHost), msghdr_guest->cmsg_data, msghdr_guest->cmsg_len - sizeof(cmsghdr32));
        }

        // Go to next host
        CurrentHost = CMSG_NXTHDR(&HostHeader, CurrentHost);

        // Go to next msg
        if (msghdr_guest->cmsg_len < sizeof(cmsghdr32)) {
          CurrentGuestPtr = nullptr;
        }
        else {
          CurrentGuestPtr = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(CurrentGuestPtr) + msghdr_guest->cmsg_len);
          CurrentGuestPtr = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(CurrentGuestPtr) + 3) & ~3ULL);
          if (CurrentGuestPtr >= reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(static_cast<void*>(msg->msg_control)) + msg->msg_controllen)) {
            CurrentGuestPtr = nullptr;
          }
        }
      }
    }

    uint64_t Result = ::sendmsg(sockfd, &HostHeader, flags);
    SYSCALL_ERRNO();
  }

  static uint64_t RecvMsg(int sockfd, struct msghdr32 *msg, int flags) {
    struct msghdr HostHeader{};
    fextl::vector<iovec> Host_iovec(msg->msg_iovlen);
    for (size_t i = 0; i < msg->msg_iovlen; ++i) {
      Host_iovec[i] = msg->msg_iov[i];
    }

    HostHeader.msg_name = msg->msg_name;
    HostHeader.msg_namelen = msg->msg_namelen;

    HostHeader.msg_iov = Host_iovec.data();
    HostHeader.msg_iovlen = msg->msg_iovlen;

    HostHeader.msg_control = alloca(msg->msg_controllen*2);
    HostHeader.msg_controllen = msg->msg_controllen*2;

    HostHeader.msg_flags = msg->msg_flags;

    uint64_t Result = ::recvmsg(sockfd, &HostHeader, flags);
    if (Result != -1) {
      for (size_t i = 0; i < msg->msg_iovlen; ++i) {
        msg->msg_iov[i] = Host_iovec[i];
      }

      msg->msg_namelen = HostHeader.msg_namelen;
      msg->msg_controllen = HostHeader.msg_controllen;
      msg->msg_flags = HostHeader.msg_flags;
      if (HostHeader.msg_controllen) {
        // Host and guest cmsg data structures aren't compatible.
        // Copy them over now
        void *CurrentGuestPtr = msg->msg_control;
        for (struct cmsghdr *cmsg = CMSG_FIRSTHDR(&HostHeader);
            cmsg != nullptr;
            cmsg = CMSG_NXTHDR(&HostHeader, cmsg)) {
          cmsghdr32 *CurrentGuest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr);

          // Copy over the header first
          // cmsg_len needs to be adjusted by the size of the header between host and guest
          // Host is 16 bytes, guest is 12 bytes
          CurrentGuest->cmsg_level = cmsg->cmsg_level;
          CurrentGuest->cmsg_type = cmsg->cmsg_type;

          // Now copy over the data
          if (cmsg->cmsg_len) {
            size_t SizeIncrease = (CMSG_LEN(0) - sizeof(cmsghdr32));
            CurrentGuest->cmsg_len = cmsg->cmsg_len - SizeIncrease;

            // Controllen size also changes
            msg->msg_controllen -= SizeIncrease;

            memcpy(CurrentGuest->cmsg_data, CMSG_DATA(cmsg), cmsg->cmsg_len - sizeof(struct cmsghdr));
            CurrentGuestPtr = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(CurrentGuestPtr) + CurrentGuest->cmsg_len);
            CurrentGuestPtr = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(CurrentGuestPtr) + 3) & ~3ULL);

          }
        }
      }
    }
    SYSCALL_ERRNO();
  }

  void ConvertHeaderToHost(fextl::vector<iovec> &iovec, struct msghdr *Host, const struct msghdr32 *Guest) {
    size_t CurrentIOVecSize = iovec.size();
    iovec.resize(CurrentIOVecSize + Guest->msg_iovlen);
    for (size_t i = 0; i < Guest->msg_iovlen; ++i) {
      iovec[CurrentIOVecSize + i] = Guest->msg_iov[i];
    }

    Host->msg_name = Guest->msg_name;
    Host->msg_namelen = Guest->msg_namelen;

    Host->msg_iov = &iovec[CurrentIOVecSize];
    Host->msg_iovlen = Guest->msg_iovlen;

    // XXX: This could result in a stack overflow
    Host->msg_control = alloca(Guest->msg_controllen*2);
    Host->msg_controllen = Guest->msg_controllen*2;

    Host->msg_flags = Guest->msg_flags;
  }

  void ConvertHeaderToGuest(struct msghdr32 *Guest, struct msghdr *Host) {
    for (size_t i = 0; i < Guest->msg_iovlen; ++i) {
      Guest->msg_iov[i] = Host->msg_iov[i];
    }

    Guest->msg_namelen = Host->msg_namelen;
    Guest->msg_controllen = Host->msg_controllen;
    Guest->msg_flags = Host->msg_flags;

    if (Host->msg_controllen) {
      // Host and guest cmsg data structures aren't compatible.
      // Copy them over now
      void *CurrentGuestPtr = Guest->msg_control;
      for (struct cmsghdr *cmsg = CMSG_FIRSTHDR(Host);
          cmsg != nullptr;
          cmsg = CMSG_NXTHDR(Host, cmsg)) {
        cmsghdr32 *CurrentGuest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr);

        // Copy over the header first
        // cmsg_len needs to be adjusted by the size of the header between host and guest
        // Host is 16 bytes, guest is 12 bytes
        CurrentGuest->cmsg_level = cmsg->cmsg_level;
        CurrentGuest->cmsg_type = cmsg->cmsg_type;

        // Now copy over the data
        if (cmsg->cmsg_len) {
          size_t SizeIncrease = (CMSG_LEN(0) - sizeof(cmsghdr32));
          CurrentGuest->cmsg_len = cmsg->cmsg_len - SizeIncrease;

          // Controllen size also changes
          Guest->msg_controllen -= SizeIncrease;

          memcpy(CurrentGuest->cmsg_data, CMSG_DATA(cmsg), cmsg->cmsg_len - sizeof(struct cmsghdr));
          CurrentGuestPtr = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(CurrentGuestPtr) + CurrentGuest->cmsg_len);
          CurrentGuestPtr = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(CurrentGuestPtr) + 3) & ~3ULL);
        }
      }
    }
  }

  static uint64_t RecvMMsg(int sockfd, compat_ptr<mmsghdr_32> msgvec, uint32_t vlen, int flags, struct timespec *timeout_ts) {
    fextl::vector<iovec> Host_iovec;
    fextl::vector<struct mmsghdr> HostMHeader(vlen);
    for (size_t i = 0; i < vlen; ++i) {
      ConvertHeaderToHost(Host_iovec, &HostMHeader[i].msg_hdr, &msgvec[i].msg_hdr);
      HostMHeader[i].msg_len = msgvec[i].msg_len;
    }
    uint64_t Result = ::recvmmsg(sockfd, HostMHeader.data(), vlen, flags, timeout_ts);
    if (Result != -1) {
      for (size_t i = 0; i < Result; ++i) {
        ConvertHeaderToGuest(&msgvec[i].msg_hdr, &HostMHeader[i].msg_hdr);
        msgvec[i].msg_len = HostMHeader[i].msg_len;
      }
    }
    SYSCALL_ERRNO();
  }

  static uint64_t SendMMsg(int sockfd, compat_ptr<mmsghdr_32> msgvec, uint32_t vlen, int flags) {
    fextl::vector<iovec> Host_iovec;
    fextl::vector<struct mmsghdr> HostMmsg(vlen);

    // Walk the iovec and convert them
    // Calculate controllen at the same time
    size_t Controllen_size{};
    for (size_t i = 0; i < vlen; ++i) {
      msghdr32 &guest = msgvec[i].msg_hdr;

      Controllen_size += guest.msg_controllen * 2;
      for (size_t j = 0; j < guest.msg_iovlen; ++j) {
        iovec guest_iov = guest.msg_iov[j];
        Host_iovec.emplace_back(guest_iov);
      }
    }

    fextl::vector<uint8_t> Controllen(Controllen_size);

    size_t current_iov{};
    size_t current_controllen_offset{};
    for (size_t i = 0; i < vlen; ++i) {
      msghdr32 &guest = msgvec[i].msg_hdr;
      struct msghdr &msg = HostMmsg[i].msg_hdr;
      msg.msg_name = guest.msg_name;
      msg.msg_namelen = guest.msg_namelen;

      msg.msg_iov = &Host_iovec.at(current_iov);
      msg.msg_iovlen = guest.msg_iovlen;
      current_iov += msg.msg_iovlen;

      if (guest.msg_controllen) {
        msg.msg_control = &Controllen.at(current_controllen_offset);
        current_controllen_offset += guest.msg_controllen * 2;
      }
      msg.msg_controllen = guest.msg_controllen;

      msg.msg_flags = guest.msg_flags;

      if (msg.msg_controllen) {
        void *CurrentGuestPtr = guest.msg_control;
        struct cmsghdr *CurrentHost = reinterpret_cast<struct cmsghdr*>(msg.msg_control);

        for (cmsghdr32 *msghdr_guest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr);
            CurrentGuestPtr != 0;
            msghdr_guest = reinterpret_cast<cmsghdr32*>(CurrentGuestPtr)) {

          CurrentHost->cmsg_level = msghdr_guest->cmsg_level;
          CurrentHost->cmsg_type = msghdr_guest->cmsg_type;

          if (msghdr_guest->cmsg_len) {
            size_t SizeIncrease = (CMSG_LEN(0) - sizeof(cmsghdr32));
            CurrentHost->cmsg_len = msghdr_guest->cmsg_len + SizeIncrease;
            msg.msg_controllen += SizeIncrease;
            memcpy(CMSG_DATA(CurrentHost), msghdr_guest->cmsg_data, msghdr_guest->cmsg_len - sizeof(cmsghdr32));
          }

          // Go to next host
          CurrentHost = CMSG_NXTHDR(&msg, CurrentHost);

          // Go to next msg
          if (msghdr_guest->cmsg_len < sizeof(cmsghdr32)) {
            CurrentGuestPtr = nullptr;
          }
          else {
            CurrentGuestPtr = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(CurrentGuestPtr) + msghdr_guest->cmsg_len);
            CurrentGuestPtr = reinterpret_cast<void*>((reinterpret_cast<uintptr_t>(CurrentGuestPtr) + 3) & ~3ULL);
            if (CurrentGuestPtr >= reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(static_cast<void*>(guest.msg_control)) + guest.msg_controllen)) {
              CurrentGuestPtr = nullptr;
            }
          }
        }
      }

      HostMmsg[i].msg_len = msgvec[i].msg_len;
    }

    uint64_t Result = ::sendmmsg(sockfd, HostMmsg.data(), vlen, flags);

    if (Result != -1) {
      // Update guest msglen
      for (size_t i = 0; i < Result; ++i) {
        msgvec[i].msg_len = HostMmsg[i].msg_len;
      }
    }
    SYSCALL_ERRNO();
  }

  static uint64_t SetSockOpt(int sockfd, int level, int optname, compat_ptr<void> optval, int optlen) {
    uint64_t Result{};

    if (level == SOL_SOCKET) {
      switch (optname) {
        case SO_ATTACH_FILTER:
        case SO_ATTACH_REUSEPORT_CBPF: {
          struct sock_fprog32 {
            uint16_t len;
            uint32_t filter;
          };
          struct sock_fprog64 {
            uint16_t len;
            uint64_t filter;
          };

          if (optlen != sizeof(sock_fprog32)) {
            return -EINVAL;
          }

          sock_fprog32 *prog = reinterpret_cast<sock_fprog32*>(optval.Ptr);
          sock_fprog64 prog64{};
          prog64.len = prog->len;
          prog64.filter = prog->filter;

          Result = ::syscall(SYSCALL_DEF(setsockopt),
            sockfd,
            level,
            optname,
            &prog64,
            sizeof(sock_fprog64)
            );
          break;
        }
        case SO_RCVTIMEO_OLD: {
          // _OLD uses old_timeval32. Needs to be converted
          struct timeval tv64 = *reinterpret_cast<timeval32*>(optval.Ptr);
          Result = ::syscall(SYSCALL_DEF(setsockopt),
            sockfd,
            level,
            SO_RCVTIMEO_NEW,
            &tv64,
            sizeof(tv64)
            );
          break;
        }
        case SO_SNDTIMEO_OLD: {
          // _OLD uses old_timeval32. Needs to be converted
          struct timeval tv64 = *reinterpret_cast<timeval32*>(optval.Ptr);
          Result = ::syscall(SYSCALL_DEF(setsockopt),
            sockfd,
            level,
            SO_SNDTIMEO_NEW,
            &tv64,
            sizeof(tv64)
            );
          break;
        }
        // Each optname as a reminder which setting has been manually checked
        case SO_DEBUG:
        case SO_REUSEADDR:
        case SO_TYPE:
        case SO_ERROR:
        case SO_DONTROUTE:
        case SO_BROADCAST:
        case SO_SNDBUF:
        case SO_RCVBUF:
        case SO_SNDBUFFORCE:
        case SO_RCVBUFFORCE:
        case SO_KEEPALIVE:
        case SO_OOBINLINE:
        case SO_NO_CHECK:
        case SO_PRIORITY:
        case SO_LINGER:
        case SO_BSDCOMPAT:
        case SO_REUSEPORT:
        /**
         * @name These end up differing between {x86,arm} and {powerpc, alpha, sparc, mips, parisc}
         * @{ */
        case SO_PASSCRED:
        case SO_PEERCRED:
        case SO_RCVLOWAT:
        case SO_SNDLOWAT:
        /**  @} */
        case SO_SECURITY_AUTHENTICATION:
        case SO_SECURITY_ENCRYPTION_TRANSPORT:
        case SO_SECURITY_ENCRYPTION_NETWORK:
        case SO_DETACH_FILTER:
        case SO_PEERNAME:
        case SO_TIMESTAMP_OLD: // Returns int32_t boolean
        case SO_ACCEPTCONN:
        case SO_PEERSEC:
        // Gap 32, 33
        case SO_PASSSEC:
        case SO_TIMESTAMPNS_OLD: // Returns int32_t boolean
        case SO_MARK:
        case SO_TIMESTAMPING_OLD: // Returns so_timestamping
        case SO_PROTOCOL:
        case SO_DOMAIN:
        case SO_RXQ_OVFL:
        case SO_WIFI_STATUS:
        case SO_PEEK_OFF:
        case SO_NOFCS:
        case SO_LOCK_FILTER:
        case SO_SELECT_ERR_QUEUE:
        case SO_BUSY_POLL:
        case SO_MAX_PACING_RATE:
        case SO_BPF_EXTENSIONS:
        case SO_INCOMING_CPU:
        case SO_ATTACH_BPF:
        case SO_ATTACH_REUSEPORT_EBPF:
        case SO_CNX_ADVICE:
        // Gap 54 (SCM_TIMESTAMPING_OPT_STATS)
        case SO_MEMINFO:
        case SO_INCOMING_NAPI_ID:
        case SO_COOKIE: // Cookie always returns 64-bit even on 32-bit
        // Gap 58 (SCM_TIMESTAMPING_PKTINFO)
        case SO_PEERGROUPS:
        case SO_ZEROCOPY:
        case SO_TXTIME:
        case SO_BINDTOIFINDEX:
        case SO_TIMESTAMP_NEW:
        case SO_TIMESTAMPNS_NEW:
        case SO_TIMESTAMPING_NEW:
        case SO_RCVTIMEO_NEW:
        case SO_SNDTIMEO_NEW:
        case SO_DETACH_REUSEPORT_BPF:
        case SO_PREFER_BUSY_POLL:
        case SO_BUSY_POLL_BUDGET:
        case SO_NETNS_COOKIE: // Cookie always returns 64-bit even on 32-bit
        case SO_BUF_LOCK:
        case SO_RESERVE_MEM:
        default:
          Result = ::syscall(SYSCALL_DEF(setsockopt),
            sockfd,
            level,
            optname,
            reinterpret_cast<const void*>(optval.Ptr),
            optlen
            );
          break;
      }
    }
    else {
      Result = ::syscall(SYSCALL_DEF(setsockopt),
        sockfd,
        level,
        optname,
        reinterpret_cast<const void*>(optval.Ptr),
        optlen
        );
    }

    SYSCALL_ERRNO();
  }

  static uint64_t GetSockOpt(int sockfd, int level, int optname, compat_ptr<void> optval, compat_ptr<socklen_t> optlen) {
    uint64_t Result{};
    if (level == SOL_SOCKET) {
      switch (optname) {
        case SO_RCVTIMEO_OLD: {
          // _OLD uses old_timeval32. Needs to be converted
          struct timeval tv64{};
          Result = ::syscall(SYSCALL_DEF(getsockopt),
            sockfd,
            level,
            SO_RCVTIMEO_NEW,
            &tv64,
            sizeof(tv64)
            );
           *reinterpret_cast<timeval32*>(optval.Ptr) = tv64;
          break;
        }
        case SO_SNDTIMEO_OLD: {
          // _OLD uses old_timeval32. Needs to be converted
          struct timeval tv64{};
          Result = ::syscall(SYSCALL_DEF(getsockopt),
            sockfd,
            level,
            SO_SNDTIMEO_NEW,
            &tv64,
            sizeof(tv64)
            );
           *reinterpret_cast<timeval32*>(optval.Ptr) = tv64;
          break;
        }
        // Each optname as a reminder which setting has been manually checked
        case SO_DEBUG:
        case SO_REUSEADDR:
        case SO_TYPE:
        case SO_ERROR:
        case SO_DONTROUTE:
        case SO_BROADCAST:
        case SO_SNDBUF:
        case SO_RCVBUF:
        case SO_SNDBUFFORCE:
        case SO_RCVBUFFORCE:
        case SO_KEEPALIVE:
        case SO_OOBINLINE:
        case SO_NO_CHECK:
        case SO_PRIORITY:
        case SO_LINGER:
        case SO_BSDCOMPAT:
        case SO_REUSEPORT:
        /**
         * @name These end up differing between {x86,arm} and {powerpc, alpha, sparc, mips, parisc}
         * @{ */
        case SO_PASSCRED:
        case SO_PEERCRED:
        case SO_RCVLOWAT:
        case SO_SNDLOWAT:
        /**  @} */
        case SO_SECURITY_AUTHENTICATION:
        case SO_SECURITY_ENCRYPTION_TRANSPORT:
        case SO_SECURITY_ENCRYPTION_NETWORK:
        case SO_ATTACH_FILTER: // Renamed to SO_GET_FILTER on get. Same between 32-bit and 64-bit
        case SO_DETACH_FILTER:
        case SO_PEERNAME:
        case SO_TIMESTAMP_OLD: // Returns int32_t boolean
        case SO_ACCEPTCONN:
        case SO_PEERSEC:
        // Gap 32, 33
        case SO_PASSSEC:
        case SO_TIMESTAMPNS_OLD: // Returns int32_t boolean
        case SO_MARK:
        case SO_TIMESTAMPING_OLD: // Returns so_timestamping
        case SO_PROTOCOL:
        case SO_DOMAIN:
        case SO_RXQ_OVFL:
        case SO_WIFI_STATUS:
        case SO_PEEK_OFF:
        case SO_NOFCS:
        case SO_LOCK_FILTER:
        case SO_SELECT_ERR_QUEUE:
        case SO_BUSY_POLL:
        case SO_MAX_PACING_RATE:
        case SO_BPF_EXTENSIONS:
        case SO_INCOMING_CPU:
        case SO_ATTACH_BPF:
        case SO_ATTACH_REUSEPORT_CBPF: // Doesn't do anything in get
        case SO_ATTACH_REUSEPORT_EBPF:
        case SO_CNX_ADVICE:
        // Gap 54 (SCM_TIMESTAMPING_OPT_STATS)
        case SO_MEMINFO:
        case SO_INCOMING_NAPI_ID:
        case SO_COOKIE: // Cookie always returns 64-bit even on 32-bit
        // Gap 58 (SCM_TIMESTAMPING_PKTINFO)
        case SO_PEERGROUPS:
        case SO_ZEROCOPY:
        case SO_TXTIME:
        case SO_BINDTOIFINDEX:
        case SO_TIMESTAMP_NEW:
        case SO_TIMESTAMPNS_NEW:
        case SO_TIMESTAMPING_NEW:
        case SO_RCVTIMEO_NEW:
        case SO_SNDTIMEO_NEW:
        case SO_DETACH_REUSEPORT_BPF:
        case SO_PREFER_BUSY_POLL:
        case SO_BUSY_POLL_BUDGET:
        case SO_NETNS_COOKIE: // Cookie always returns 64-bit even on 32-bit
        case SO_BUF_LOCK:
        case SO_RESERVE_MEM:
        default:
          Result = ::syscall(SYSCALL_DEF(getsockopt), sockfd, level, optname, optval, optlen);
          break;
      }
    }
    else {
      Result = ::syscall(SYSCALL_DEF(getsockopt), sockfd, level, optname, optval, optlen);
    }
    SYSCALL_ERRNO();
  }

  void RegisterSocket(FEX::HLE::SyscallHandler *Handler) {
    REGISTER_SYSCALL_IMPL_X32(socketcall, [](FEXCore::Core::CpuStateFrame *Frame, uint32_t call, uint32_t *Arguments) -> uint64_t {
      uint64_t Result{};

      switch (call) {
        case OP_SOCKET: {
          Result = ::socket(Arguments[0], Arguments[1], Arguments[2]);
          break;
        }
        case OP_BIND: {
          Result = ::bind(Arguments[0], reinterpret_cast<const struct sockaddr *>(Arguments[1]), Arguments[2]);
          break;
        }
        case OP_CONNECT: {
          Result = ::connect(Arguments[0], reinterpret_cast<const struct sockaddr *>(Arguments[1]), Arguments[2]);
          break;
        }
        case OP_LISTEN: {
          Result = ::listen(Arguments[0], Arguments[1]);
          break;
        }
        case OP_ACCEPT: {
          Result = ::accept(Arguments[0], reinterpret_cast<struct sockaddr *>(Arguments[1]), reinterpret_cast<socklen_t*>(Arguments[2]));
          break;
        }
        case OP_GETSOCKNAME: {
          Result = ::getsockname(Arguments[0], reinterpret_cast<struct sockaddr *>(Arguments[1]), reinterpret_cast<socklen_t*>(Arguments[2]));
          break;
        }
        case OP_GETPEERNAME: {
          Result = ::getpeername(Arguments[0], reinterpret_cast<struct sockaddr *>(Arguments[1]), reinterpret_cast<socklen_t*>(Arguments[2]));
          break;
        }
        case OP_SOCKETPAIR: {
          Result = ::socketpair(Arguments[0], Arguments[1], Arguments[2], reinterpret_cast<int32_t*>(Arguments[3]));
          break;
        }
        case OP_SEND: {
          Result = ::send(Arguments[0], reinterpret_cast<const void*>(Arguments[1]), Arguments[2], Arguments[3]);
          break;
        }
        case OP_RECV: {
          Result = ::recv(Arguments[0], reinterpret_cast<void*>(Arguments[1]), Arguments[2], Arguments[3]);
          break;
        }
        case OP_SENDTO: {
          Result = ::sendto(
            Arguments[0],
            reinterpret_cast<const void*>(Arguments[1]),
            Arguments[2],
            Arguments[3],
            reinterpret_cast<struct sockaddr *>(Arguments[4]), reinterpret_cast<socklen_t>(Arguments[5])
            );
          break;
        }
        case OP_RECVFROM: {
          Result = ::recvfrom(
            Arguments[0],
            reinterpret_cast<void*>(Arguments[1]),
            Arguments[2],
            Arguments[3],
            reinterpret_cast<struct sockaddr *>(Arguments[4]), reinterpret_cast<socklen_t*>(Arguments[5])
            );
          break;
        }
        case OP_SHUTDOWN: {
          Result = ::shutdown(Arguments[0], Arguments[1]);
          break;
        }
        case OP_SETSOCKOPT: {
          return SetSockOpt(
            Arguments[0],
            Arguments[1],
            Arguments[2],
            Arguments[3],
            reinterpret_cast<socklen_t>(Arguments[4])
            );
          break;
        }
        case OP_GETSOCKOPT: {
          return GetSockOpt(
            Arguments[0],
            Arguments[1],
            Arguments[2],
            reinterpret_cast<void*>(Arguments[3]),
            reinterpret_cast<socklen_t*>(Arguments[4])
            );
          break;
        }
        case OP_SENDMSG: {
          return SendMsg(Arguments[0], reinterpret_cast<const struct msghdr32*>(Arguments[1]), Arguments[2]);
          break;
        }
        case OP_RECVMSG: {
          return RecvMsg(Arguments[0], reinterpret_cast<struct msghdr32*>(Arguments[1]), Arguments[2]);
          break;
        }
        case OP_ACCEPT4: {
          return ::accept4(Arguments[0], reinterpret_cast<struct sockaddr *>(Arguments[1]), reinterpret_cast<socklen_t*>(Arguments[2]), Arguments[3]);
          break;
        }
        case OP_RECVMMSG: {
          timespec32 *timeout_ts = reinterpret_cast<timespec32 *>(Arguments[4]);
          struct timespec tp64{};
          struct timespec *timed_ptr{};
          if (timeout_ts) {
            tp64 = *timeout_ts;
            timed_ptr = &tp64;
          }

          uint64_t Result = RecvMMsg(Arguments[0], Arguments[1], Arguments[2], Arguments[3], timed_ptr);

          if (timeout_ts) {
            *timeout_ts = tp64;
          }

          return Result;
          break;
        }
        case OP_SENDMMSG: {
          return SendMMsg(Arguments[0], reinterpret_cast<mmsghdr_32*>(Arguments[1]), Arguments[2], Arguments[3]);
          break;
        }
        default:
          LOGMAN_MSG_A_FMT("Unsupported socketcall op: {}", call);
          break;
      }
      SYSCALL_ERRNO();
    });

    REGISTER_SYSCALL_IMPL_X32(sendmsg, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, const struct msghdr32 *msg, int flags) -> uint64_t {
      return SendMsg(sockfd, msg, flags);
    });

    REGISTER_SYSCALL_IMPL_X32(sendmmsg, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, compat_ptr<mmsghdr_32> msgvec, uint32_t vlen, int flags) -> uint64_t {
      return SendMMsg(sockfd, msgvec, vlen, flags);
    });

    REGISTER_SYSCALL_IMPL_X32(recvmmsg, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, compat_ptr<mmsghdr_32> msgvec, uint32_t vlen, int flags, timespec32 *timeout_ts) -> uint64_t {
      struct timespec tp64{};
      struct timespec *timed_ptr{};
      if (timeout_ts) {
        tp64 = *timeout_ts;
        timed_ptr = &tp64;
      }

      uint64_t Result = RecvMMsg(sockfd, msgvec, vlen, flags, timed_ptr);

      if (timeout_ts) {
        *timeout_ts = tp64;
      }

      return Result;
    });

    REGISTER_SYSCALL_IMPL_X32(recvmmsg_time64, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, compat_ptr<mmsghdr_32> msgvec, uint32_t vlen, int flags, struct timespec *timeout_ts) -> uint64_t {
      return RecvMMsg(sockfd, msgvec, vlen, flags, timeout_ts);
    });

    REGISTER_SYSCALL_IMPL_X32(recvmsg, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, struct msghdr32 *msg, int flags) -> uint64_t {
      return RecvMsg(sockfd, msg, flags);
    });

    REGISTER_SYSCALL_IMPL_X32(setsockopt, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, int level, int optname, compat_ptr<void> optval, socklen_t optlen) -> uint64_t {
      return SetSockOpt(sockfd, level, optname, optval, optlen);
    });

    REGISTER_SYSCALL_IMPL_X32(getsockopt, [](FEXCore::Core::CpuStateFrame *Frame, int sockfd, int level, int optname, compat_ptr<void> optval, compat_ptr<socklen_t> optlen) -> uint64_t {
        return GetSockOpt(sockfd, level, optname, optval, optlen);
    });
  }
}