FEX-Emu--FEX/Source/Tools/LinuxEmulation/LinuxSyscalls/x32/Msg.cpp

// 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 <stdint.h>
#include <syscall.h>
#include <time.h>
#include <unistd.h>

ARG_TO_STR(FEX::HLE::x32::compat_ptr<FEX::HLE::x32::mq_attr32>, "%lx")
ARG_TO_STR(FEX::HLE::x32::compat_ptr<FEX::HLE::x32::sigevent32>, "%lx")

namespace FEX::HLE::x32 {
void RegisterMsg(FEX::HLE::SyscallHandler* Handler) {
  REGISTER_SYSCALL_IMPL_X32(mq_timedsend,
                            [](FEXCore::Core::CpuStateFrame* Frame, FEX::HLE::mqd_t mqdes, const char* msg_ptr, size_t msg_len,
                               unsigned int msg_prio, const struct timespec32* abs_timeout) -> uint64_t {
                              struct timespec tp64 {};
                              struct timespec* timed_ptr {};
                              if (abs_timeout) {
                                tp64 = *abs_timeout;
                                timed_ptr = &tp64;
                              }

                              uint64_t Result = ::syscall(SYSCALL_DEF(mq_timedsend), mqdes, msg_ptr, msg_len, msg_prio, timed_ptr);
                              SYSCALL_ERRNO();
                            });

  REGISTER_SYSCALL_IMPL_X32(mq_timedreceive,
                            [](FEXCore::Core::CpuStateFrame* Frame, FEX::HLE::mqd_t mqdes, char* msg_ptr, size_t msg_len,
                               unsigned int* msg_prio, const struct timespec32* abs_timeout) -> uint64_t {
                              struct timespec tp64 {};
                              struct timespec* timed_ptr {};
                              if (abs_timeout) {
                                tp64 = *abs_timeout;
                                timed_ptr = &tp64;
                              }

                              uint64_t Result = ::syscall(SYSCALL_DEF(mq_timedreceive), mqdes, msg_ptr, msg_len, msg_prio, timed_ptr);
                              SYSCALL_ERRNO();
                            });

  REGISTER_SYSCALL_IMPL_X32(
    mq_open, [](FEXCore::Core::CpuStateFrame* Frame, const char* name, int oflag, mode_t mode, compat_ptr<FEX::HLE::x32::mq_attr32> attr) -> uint64_t {
      mq_attr HostAttr {};
      mq_attr* HostAttr_p {};
      if ((oflag & O_CREAT) && attr) {
        // attr is optional unless O_CREAT is set
        // Then attr can be valid or nullptr
        HostAttr = *attr;
        HostAttr_p = &HostAttr;
      }
      uint64_t Result = ::syscall(SYSCALL_DEF(mq_open), name, oflag, mode, HostAttr_p);
      SYSCALL_ERRNO();
    });

  REGISTER_SYSCALL_IMPL_X32(
    mq_notify, [](FEXCore::Core::CpuStateFrame* Frame, FEX::HLE::mqd_t mqdes, const compat_ptr<FEX::HLE::x32::sigevent32> sevp) -> uint64_t {
      sigevent Host = *sevp;
      uint64_t Result = ::syscall(SYSCALL_DEF(mq_notify), mqdes, &Host);
      SYSCALL_ERRNO();
    });

  REGISTER_SYSCALL_IMPL_X32(mq_getsetattr,
                            [](FEXCore::Core::CpuStateFrame* Frame, FEX::HLE::mqd_t mqdes, compat_ptr<FEX::HLE::x32::mq_attr32> newattr,
                               compat_ptr<FEX::HLE::x32::mq_attr32> oldattr) -> uint64_t {
                              mq_attr HostNew {};
                              mq_attr* HostNew_p {};

                              mq_attr HostOld {};
                              mq_attr* HostOld_p {};

                              if (newattr) {
                                HostNew = *newattr;
                                HostNew_p = &HostNew;
                              }

                              if (oldattr) {
                                HostOld_p = &HostOld;
                              }

                              uint64_t Result = ::syscall(SYSCALL_DEF(mq_getsetattr), mqdes, HostNew_p, HostOld_p);

                              if (Result != 1 && oldattr) {
                                *oldattr = HostOld;
                              }

                              SYSCALL_ERRNO();
                            });
}
} // namespace FEX::HLE::x32