Merge pull request #241 from phire/fallocate_syscall

Implement fallocate syscall

External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp

@@ -190,6 +190,11 @@ namespace FEXCore::HLE {
     SYSCALL_ERRNO();
   }
 
+  uint64_t Fallocate(FEXCore::Core::InternalThreadState *Thread, int fd, int mode, off_t offset, off_t len) {
+    uint64_t Result = ::fallocate(fd, mode, offset, len);
+    SYSCALL_ERRNO();
+  }
+
   uint64_t Getdents(FEXCore::Core::InternalThreadState *Thread, int fd, void *dirp, uint32_t count) {
 #ifdef SYS_getdents
     uint64_t Result = syscall(SYS_getdents,

External/FEXCore/Source/Interface/HLE/Syscalls/FD.h

@@ -39,6 +39,7 @@ namespace FEXCore::HLE {
   uint64_t Fsync(FEXCore::Core::InternalThreadState *Thread, int fd);
   uint64_t Fdatasync(FEXCore::Core::InternalThreadState *Thread, int fd);
   uint64_t Ftruncate(FEXCore::Core::InternalThreadState *Thread, int fd, off_t length);
+  uint64_t Fallocate(FEXCore::Core::InternalThreadState *Thread, int fd, int mode, off_t offset, off_t len);
   uint64_t Getdents(FEXCore::Core::InternalThreadState *Thread, int fd, void *dirp, uint32_t count);
   uint64_t Fchmod(FEXCore::Core::InternalThreadState *Thread, int fd, int mode);
   uint64_t Getdents64(FEXCore::Core::InternalThreadState *Thread, int fd, void *dirp, uint32_t count);

External/FEXCore/Source/Interface/HLE/x64/Syscalls.cpp

@@ -430,6 +430,13 @@ void x64SyscallHandler::Strace(FEXCore::HLE::SyscallArguments *Args, uint64_t Re
   case SYSCALL_TIMERFD_CREATE:
     LogMan::Msg::D("timerfd_create(%lx, %lx) = %ld", Args->Argument[1], Args->Argument[2], Ret);
     break;
+  case SYSCALL_FALLOCATE:
+    LogMan::Msg::D("fallocate(%lx, %lx, %p, %p) = %ld",
+      Args->Argument[1],
+      Args->Argument[2],
+      Args->Argument[3],
+      Args->Argument[4],
+      Ret);
   case SYSCALL_TIMERFD_SETTIME:
     LogMan::Msg::D("timerfd_settime(%ld, %lx, %p, %p) = %ld",
       Args->Argument[1],
@@ -936,6 +943,7 @@ void x64SyscallHandler::RegisterSyscallHandlers() {
     {SYSCALL_GET_ROBUST_LIST,        cvt(&FEXCore::HLE::Get_robust_list),        3},
     {SYSCALL_EPOLL_PWAIT,            cvt(&FEXCore::HLE::EPoll_Pwait),            5},
     {SYSCALL_TIMERFD_CREATE,         cvt(&FEXCore::HLE::Timerfd_Create),         2},
+    {SYSCALL_FALLOCATE,              cvt(&FEXCore::HLE::Fallocate),              4},
     {SYSCALL_TIMERFD_SETTIME,        cvt(&FEXCore::HLE::Timerfd_Settime),        4},
     {SYSCALL_TIMERFD_GETTIME,        cvt(&FEXCore::HLE::Timerfd_Gettime),        2},
     {SYSCALL_ACCEPT4,                cvt(&FEXCore::HLE::Accept4),                4},

External/FEXCore/Source/Interface/HLE/x64/Syscalls.h

@@ -180,6 +180,7 @@ enum Syscalls {
   SYSCALL_GET_ROBUST_LIST = 274, ///< __NR_get_robust_list
   SYSCALL_EPOLL_PWAIT     = 281, ///< __NR_epoll_pwait
   SYSCALL_TIMERFD_CREATE  = 283, ///< __NR_timerfd_create
+  SYSCALL_FALLOCATE       = 285, ///< __NR_fallocate
   SYSCALL_TIMERFD_SETTIME = 286, ///< __NR_timerfd_settime
   SYSCALL_TIMERFD_GETTIME = 287, ///< __NR_timerfd_gettime
   SYSCALL_ACCEPT4         = 288, ///< __NR_accept4