mirror of
https://github.com/FEX-Emu/FEX.git
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189 lines
7.1 KiB
C++
189 lines
7.1 KiB
C++
#pragma once
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#include "Interface/HLE/FileManagement.h"
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#include <FEXCore/HLE/SyscallHandler.h>
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <unordered_map>
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namespace FEXCore::Core {
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struct InternalThreadState;
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}
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namespace FEXCore {
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///< Enum containing all support x86-64 linux syscalls that we support
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enum Syscalls {
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SYSCALL_READ = 0, ///< __NR_read
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SYSCALL_WRITE = 1, ///< __NR_write
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SYSCALL_OPEN = 2, ///< __NR_open
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SYSCALL_CLOSE = 3, ///< __NR_close
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SYSCALL_STAT = 4, ///< __NR_stat
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SYSCALL_FSTAT = 5, ///< __NR_fstat
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SYSCALL_LSTAT = 6, ///< __NR_lstat
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SYSCALL_POLL = 7, ///< __NR_poll
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SYSCALL_LSEEK = 8, ///< __NR_lseek
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SYSCALL_MMAP = 9, ///< __NR_mmap
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SYSCALL_MPROTECT = 10, ///< __NR_mprotect
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SYSCALL_MUNMAP = 11, ///< __NR_munmap
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SYSCALL_BRK = 12, ///< __NR_brk
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SYSCALL_RT_SIGACTION = 13, ///< __NR_rt_sigaction
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SYSCALL_RT_SIGPROCMASK = 14, ///< __NR_rt_sigprocmask
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SYSCALL_IOCTL = 16, ///< __NR_ioctl
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SYSCALL_PREAD64 = 17, ///< __NR_pread64
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SYSCALL_WRITEV = 20, ///< __NR_writev
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SYSCALL_ACCESS = 21, ///< __NR_access
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SYSCALL_PIPE = 22, ///< __NR_pipe
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SYSCALL_SELECT = 23, ///< __NR_select
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SYSCALL_SCHED_YIELD = 24, ///< __NR_sched_yield
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SYSCALL_MREMAP = 25, ///< __NR_mremap
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SYSCALL_MINCORE = 27, ///< __NR_mincore
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SYSCALL_SHMGET = 29, ///< __NR_shmget
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SYSCALL_SHMAT = 30, ///< __NR_shmat
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SYSCALL_SHMCTL = 31, ///< __NR_shmctl
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SYSCALL_DUP2 = 33, ///< __NR_dup2
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SYSCALL_NANOSLEEP = 35, ///< __NR_nanosleep
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SYSCALL_GETITIMER = 36, ///< __NR_getitimer
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SYSCALL_ALARM = 37, ///< __NR_alarm
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SYSCALL_SETITIMER = 38, ///< __NR_setitimer
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SYSCALL_GETPID = 39, ///< __NR_getpid
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SYSCALL_SOCKET = 41, ///< __NR_socket
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SYSCALL_CONNECT = 42, ///< __NR_connect
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SYSCALL_RECVFROM = 45, ///< __NR_recvfrom
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SYSCALL_SENDMSG = 46, ///< __NR_sendmsg
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SYSCALL_RECVMSG = 47, ///< __NR_recvmsg
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SYSCALL_SHUTDOWN = 48, ///< __NR_shutdown
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SYSCALL_GETSOCKNAME = 51, ///< __NR_getsockname
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SYSCALL_GETPEERNAME = 52, ///< __NR_getpeername
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SYSCALL_SETSOCKOPT = 54, ///< __NR_setsockopt
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SYSCALL_GETSOCKOPT = 55, ///< __NR_getsockopt
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SYSCALL_CLONE = 56, ///< __NR_clone
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SYSCALL_EXIT = 60, ///< __NR_exit
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SYSCALL_WAIT4 = 61, ///< __NR_wait4
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SYSCALL_UNAME = 63, ///< __NR_uname
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SYSCALL_SHMDT = 67, ///< __NR_shmdt
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SYSCALL_FCNTL = 72, ///< __NR_fcntl
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SYSCALL_FTRUNCATE = 77, ///< __NR_ftruncate
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SYSCALL_GETCWD = 79, ///< __NR_getcwd
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SYSCALL_CHDIR = 80, ///< __NR_chdir
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SYSCALL_MKDIR = 83, ///< __NR_mkdir
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SYSCALL_RMDIR = 84, ///< __NR_rmdir
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SYSCALL_UNLINK = 87, ///< __NR_unlink
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SYSCALL_READLINK = 89, ///< __NR_readlink
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SYSCALL_UMASK = 95, ///< __NR_umask
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SYSCALL_GETTIMEOFDAY = 96, ///< __NR_gettimeofday
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SYSCALL_SYSINFO = 99, ///< __NR_sysinfo
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SYSCALL_GETUID = 102, ///< __NR_getuid
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SYSCALL_GETGID = 104, ///< __NR_getgid
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SYSCALL_SETUID = 105, ///< __NR_setuid
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SYSCALL_GETEUID = 107, ///< __NR_geteuid
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SYSCALL_GETEGID = 108, ///< __NR_getegid
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SYSCALL_SETREGID = 114, ///< __NR_setregid
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SYSCALL_SETRESUID = 117, ///< __NR_setresuid
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SYSCALL_SETRESGID = 119, ///< __NR_setresgid
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SYSCALL_SIGALTSTACK = 131, ///< __NR_sigaltstack
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SYSCALL_MKNOD = 133, ///< __NR_mknod
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SYSCALL_STATFS = 137, ///< __NR_statfs
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SYSCALL_FSTATFS = 138, ///< __NR_fstatfs
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SYSCALL_SCHED_SETSCHEDULER = 144, ///< __NR_sched_setscheduler
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SYSCALL_PRCTL = 157, ///< __NR_prctl
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SYSCALL_ARCH_PRCTL = 158, ///< __NR_arch_prctl
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SYSCALL_GETTID = 186, ///< __NR_gettid
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SYSCALL_TIME = 201, ///< __NR_time
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SYSCALL_FUTEX = 202, ///< __NR_futex
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SYSCALL_SCHED_SETAFFINITY = 203, ///< __NR_sched_setaffinity
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SYSCALL_SCHED_GETAFFINITY = 204, ///< __NR_sched_getaffinity
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SYSCALL_GETDENTS64 = 217, ///< __NR_getdents64
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SYSCALL_FADVISE64 = 221, ///< __NR_fadvise64
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SYSCALL_SET_TID_ADDRESS = 218, ///< __NR_set_tid_address
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SYSCALL_CLOCK_GETTIME = 228, ///< __NR_clock_gettime
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SYSCALL_CLOCK_GETRES = 229, ///< __NR_clock_getres
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SYSCALL_EXIT_GROUP = 231, ///< __NR_exit_group
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SYSCALL_TGKILL = 234, ///< __NR_tgkill
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SYSCALL_OPENAT = 257, ///< __NR_openat
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SYSCALL_READLINKAT = 267, ///< __NR_readlinkat
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SYSCALL_FACCESSAT = 269, ///< __NR_faccessat
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SYSCALL_SET_ROBUST_LIST = 273, ///< __NR_set_robust_list
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SYSCALL_TIMERFD_CREATE = 283, ///< __NR_timerfd_create
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SYSCALL_EVENTFD = 290, ///< __NR_eventfd
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SYSCALL_EPOLL_CREATE1 = 291, ///< __NR_epoll_create1
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SYSCALL_PIPE2 = 293, ///< __NR_pipe2
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SYSCALL_PRLIMIT64 = 302, ///< __NR_prlimit64
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SYSCALL_SENDMMSG = 307, ///< __NR_sendmmsg
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SYSCALL_GETRANDOM = 318, ///< __NR_getrandom
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SYSCALL_MEMFD_CREATE = 319, ///< __NR_memfd_create
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SYSCALL_STATX = 332, ///< __NR_statx
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};
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struct Futex {
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std::mutex Mutex;
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std::condition_variable cv;
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std::atomic<uint32_t> *Addr;
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std::atomic<uint32_t> Waiters{};
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uint32_t Val;
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};
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// #define DEBUG_STRACE
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class SyscallHandler final {
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public:
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SyscallHandler(FEXCore::Context::Context *ctx);
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uint64_t HandleSyscall(FEXCore::Core::InternalThreadState *Thread, FEXCore::HLE::SyscallArguments *Args);
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// XXX: This leaks memory.
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// Need to know when to delete futexes
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void EmplaceFutex(uint64_t Addr, Futex *futex) {
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std::scoped_lock<std::mutex> lk(FutexMutex);
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Futexes[Addr] = futex;
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}
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Futex *GetFutex(uint64_t Addr) {
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std::scoped_lock<std::mutex> lk (FutexMutex);
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auto it = Futexes.find(Addr);
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if (it == Futexes.end()) return nullptr;
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return it->second;
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}
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void RemoveFutex(uint64_t Addr) {
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std::scoped_lock<std::mutex> lk (FutexMutex);
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Futexes.erase(Addr);
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}
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void DefaultProgramBreak(FEXCore::Core::InternalThreadState *Thread, uint64_t Addr);
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void SetFilename(std::string const &File) { FM.SetFilename(File); }
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std::string const & GetFilename() const { return FM.GetFilename(); }
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private:
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FEXCore::Context::Context *CTX;
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bool const &UnifiedMemory;
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FileManager FM;
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// Futex management
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std::unordered_map<uint64_t, Futex*> Futexes;
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std::mutex FutexMutex;
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std::mutex SyscallMutex;
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// BRK management
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uint64_t DataSpace {};
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uint64_t DataSpaceSize {};
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uint64_t DefaultProgramBreakAddress {};
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// MMap management
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uint64_t LastMMAP = 0xd000'0000;
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#ifdef DEBUG_STRACE
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void Strace(FEXCore::HLE::SyscallArguments *Args, uint64_t Ret);
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#endif
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template<typename T>
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T GetPointer(uint64_t Offset) {
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return reinterpret_cast<T>(GetPointer(Offset));
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}
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void *GetPointer(uint64_t Offset);
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void *GetPointerSizeCheck(uint64_t Offset, uint64_t Size);
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};
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}
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