Files
FEX-Emu--FEX/Source/Tests/LinuxSyscalls/Syscalls/FD.cpp
T
Ryan Houdek 3379f3a8f9 Fixes eventfd and eventfd2
glibc function signature doesn't match kernel
2021-04-03 06:46:28 -07:00

333 lines
14 KiB
C++

/*
$info$
tags: LinuxSyscalls|syscalls-shared
$end_info$
*/
#include "Tests/LinuxSyscalls/Syscalls.h"
#include "Tests/LinuxSyscalls/x64/Syscalls.h"
#include "Tests/LinuxSyscalls/x32/Syscalls.h"
#include <fcntl.h>
#include <stdint.h>
#include <sys/file.h>
#include <sys/eventfd.h>
#include <sys/inotify.h>
#include <sys/mman.h>
#include <sys/timerfd.h>
#include <poll.h>
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <sys/eventfd.h>
#include <sys/syscall.h>
namespace FEX::HLE {
static int RemapFlags(int flags) {
#ifdef _M_X86_64
// Nothing to change here
#elif _M_ARM_64
constexpr int X86_64_FLAG_O_DIRECT = 040000;
constexpr int X86_64_FLAG_O_LARGEFILE = 0100000;
constexpr int X86_64_FLAG_O_DIRECTORY = 0200000;
constexpr int X86_64_FLAG_O_NOFOLLOW = 0400000;
if (flags & X86_64_FLAG_O_DIRECT) flags = (flags & ~X86_64_FLAG_O_DIRECT) | O_DIRECT;
if (flags & X86_64_FLAG_O_LARGEFILE) flags = (flags & ~X86_64_FLAG_O_LARGEFILE) | O_LARGEFILE;
if (flags & X86_64_FLAG_O_DIRECTORY) flags = (flags & ~X86_64_FLAG_O_DIRECTORY) | O_DIRECTORY;
if (flags & X86_64_FLAG_O_NOFOLLOW) flags = (flags & ~X86_64_FLAG_O_NOFOLLOW) | O_NOFOLLOW;
#else
#error Unknown flag remappings for this host platform
#endif
return flags;
}
void RegisterFD(FEX::HLE::SyscallHandler *const Handler) {
REGISTER_SYSCALL_IMPL(read, [](FEXCore::Core::CpuStateFrame *Frame, int fd, void *buf, size_t count) -> uint64_t {
uint64_t Result = ::read(fd, buf, count);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(write, [](FEXCore::Core::CpuStateFrame *Frame, int fd, void *buf, size_t count) -> uint64_t {
uint64_t Result = ::write(fd, buf, count);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(open, [](FEXCore::Core::CpuStateFrame *Frame, const char *pathname, int flags, uint32_t mode) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Open(pathname, flags, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(close, [](FEXCore::Core::CpuStateFrame *Frame, int fd) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Close(fd);
SYSCALL_ERRNO();
});
/*
REGISTER_SYSCALL_IMPL(chown, [](FEXCore::Core::CpuStateFrame *Frame, const char *pathname, uid_t owner, gid_t group) -> uint64_t {
SYSCALL_STUB(chown);
});*/
REGISTER_SYSCALL_FORWARD_ERRNO(chown);
/*
REGISTER_SYSCALL_IMPL(fchown, [](FEXCore::Core::CpuStateFrame *Frame, int fd, uid_t owner, gid_t group) -> uint64_t {
SYSCALL_STUB(fchown);
});*/
REGISTER_SYSCALL_FORWARD_ERRNO(fchown);
/*
REGISTER_SYSCALL_IMPL(lchown, [](FEXCore::Core::CpuStateFrame *Frame, const char *pathname, uid_t owner, gid_t group) -> uint64_t {
SYSCALL_STUB(lchown);
});*/
REGISTER_SYSCALL_FORWARD_ERRNO(lchown);
REGISTER_SYSCALL_IMPL(lseek, [](FEXCore::Core::CpuStateFrame *Frame, int fd, uint64_t offset, int whence) -> uint64_t {
uint64_t Result = ::lseek(fd, offset, whence);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(pread64, [](FEXCore::Core::CpuStateFrame *Frame, int fd, void *buf, size_t count, off_t offset) -> uint64_t {
uint64_t Result = ::pread64(fd, buf, count, offset);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(pwrite64, [](FEXCore::Core::CpuStateFrame *Frame, int fd, void *buf, size_t count, off_t offset) -> uint64_t {
uint64_t Result = ::pwrite64(fd, buf, count, offset);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(access, [](FEXCore::Core::CpuStateFrame *Frame, const char *pathname, int mode) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Access(pathname, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(pipe, [](FEXCore::Core::CpuStateFrame *Frame, int pipefd[2]) -> uint64_t {
uint64_t Result = ::pipe(pipefd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(dup, [](FEXCore::Core::CpuStateFrame *Frame, int oldfd) -> uint64_t {
uint64_t Result = ::dup(oldfd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(dup2, [](FEXCore::Core::CpuStateFrame *Frame, int oldfd, int newfd) -> uint64_t {
uint64_t Result = ::dup2(oldfd, newfd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(dup3, [](FEXCore::Core::CpuStateFrame* Frame, int oldfd, int newfd, int flags) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = ::dup3(oldfd, newfd, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(flock, [](FEXCore::Core::CpuStateFrame *Frame, int fd, int operation) -> uint64_t {
uint64_t Result = ::flock(fd, operation);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fsync, [](FEXCore::Core::CpuStateFrame *Frame, int fd) -> uint64_t {
uint64_t Result = ::fsync(fd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fdatasync, [](FEXCore::Core::CpuStateFrame *Frame, int fd) -> uint64_t {
uint64_t Result = ::fdatasync(fd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(ftruncate, [](FEXCore::Core::CpuStateFrame *Frame, int fd, off_t length) -> uint64_t {
uint64_t Result = ::ftruncate(fd, length);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fallocate, [](FEXCore::Core::CpuStateFrame *Frame, int fd, int mode, off_t offset, off_t len) -> uint64_t {
uint64_t Result = ::fallocate(fd, mode, offset, len);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fchmod, [](FEXCore::Core::CpuStateFrame *Frame, int fd, int mode) -> uint64_t {
uint64_t Result = ::fchmod(fd, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(readahead, [](FEXCore::Core::CpuStateFrame *Frame, int fd, off64_t offset, size_t count) -> uint64_t {
uint64_t Result = ::readahead(fd, offset, count);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fadvise64, [](FEXCore::Core::CpuStateFrame *Frame, int fd, off_t offset, off_t len, int advice) -> uint64_t {
uint64_t Result = ::posix_fadvise64(fd, offset, len, advice);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(inotify_init, [](FEXCore::Core::CpuStateFrame *Frame) -> uint64_t {
uint64_t Result = ::inotify_init();
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(inotify_add_watch, [](FEXCore::Core::CpuStateFrame *Frame, int fd, const char *pathname, uint32_t mask) -> uint64_t {
uint64_t Result = ::inotify_add_watch(fd, pathname, mask);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(inotify_rm_watch, [](FEXCore::Core::CpuStateFrame *Frame, int fd, int wd) -> uint64_t {
uint64_t Result = ::inotify_rm_watch(fd, wd);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(openat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfs, const char *pathname, int flags, uint32_t mode) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Openat(dirfs, pathname, flags, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(mkdirat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, mode_t mode) -> uint64_t {
uint64_t Result = ::mkdirat(dirfd, pathname, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(mknodat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, mode_t mode, dev_t dev) -> uint64_t {
uint64_t Result = ::mknodat(dirfd, pathname, mode, dev);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fchownat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, uid_t owner, gid_t group, int flags) -> uint64_t {
uint64_t Result = ::fchownat(dirfd, pathname, owner, group, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(unlinkat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, int flags) -> uint64_t {
uint64_t Result = ::unlinkat(dirfd, pathname, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(renameat, [](FEXCore::Core::CpuStateFrame *Frame, int olddirfd, const char *oldpath, int newdirfd, const char *newpath) -> uint64_t {
uint64_t Result = ::renameat(olddirfd, oldpath, newdirfd, newpath);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(linkat, [](FEXCore::Core::CpuStateFrame *Frame, int olddirfd, const char *oldpath, int newdirfd, const char *newpath, int flags) -> uint64_t {
uint64_t Result = ::linkat(olddirfd, oldpath, newdirfd, newpath, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(symlinkat, [](FEXCore::Core::CpuStateFrame *Frame, const char *target, int newdirfd, const char *linkpath) -> uint64_t {
uint64_t Result = ::symlinkat(target, newdirfd, linkpath);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(readlinkat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, char *buf, size_t bufsiz) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Readlinkat(dirfd, pathname, buf, bufsiz);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(fchmodat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, mode_t mode) -> uint64_t {
uint64_t Result = syscall(SYS_fchmodat, dirfd, pathname, mode);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(faccessat, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, int mode) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.FAccessat(dirfd, pathname, mode);
SYSCALL_ERRNO();
});
if (Handler->GetHostKernelVersion() >= FEX::HLE::SyscallHandler::KernelVersion(5, 8, 0)) {
// Only exists on kernel 5.8+
REGISTER_SYSCALL_IMPL(faccessat2, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, int mode, int flags) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.FAccessat2(dirfd, pathname, mode, flags);
SYSCALL_ERRNO();
});
}
else {
REGISTER_SYSCALL_IMPL(faccessat2, UnimplementedSyscallSafe);
}
REGISTER_SYSCALL_IMPL(splice, [](FEXCore::Core::CpuStateFrame *Frame, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags) -> uint64_t {
uint64_t Result = ::splice(fd_in, off_in, fd_out, off_out, len, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(tee, [](FEXCore::Core::CpuStateFrame *Frame, int fd_in, int fd_out, size_t len, unsigned int flags) -> uint64_t {
uint64_t Result = ::tee(fd_in, fd_out, len, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(sync_file_range, [](FEXCore::Core::CpuStateFrame *Frame, int fd, off64_t offset, off64_t nbytes, unsigned int flags) -> uint64_t {
uint64_t Result = ::sync_file_range(fd, offset, nbytes, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(timerfd_create, [](FEXCore::Core::CpuStateFrame *Frame, int32_t clockid, int32_t flags) -> uint64_t {
uint64_t Result = ::timerfd_create(clockid, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(timerfd_settime, [](FEXCore::Core::CpuStateFrame *Frame, int fd, int flags, const struct itimerspec *new_value, struct itimerspec *old_value) -> uint64_t {
uint64_t Result = ::timerfd_settime(fd, flags, new_value, old_value);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(timerfd_gettime, [](FEXCore::Core::CpuStateFrame *Frame, int fd, struct itimerspec *curr_value) -> uint64_t {
uint64_t Result = ::timerfd_gettime(fd, curr_value);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(eventfd, [](FEXCore::Core::CpuStateFrame *Frame, uint32_t count) -> uint64_t {
uint64_t Result = ::syscall(SYS_eventfd2, count, 0);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(pipe2, [](FEXCore::Core::CpuStateFrame *Frame, int pipefd[2], int flags) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = ::pipe2(pipefd, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(inotify_init1, [](FEXCore::Core::CpuStateFrame *Frame, int flags) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = ::inotify_init1(flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(renameat2, [](FEXCore::Core::CpuStateFrame *Frame, int olddirfd, const char *oldpath, int newdirfd, const char *newpath, unsigned int flags) -> uint64_t {
uint64_t Result = ::renameat2(olddirfd, oldpath, newdirfd, newpath, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(memfd_create, [](FEXCore::Core::CpuStateFrame *Frame, const char *name, uint32_t flags) -> uint64_t {
uint64_t Result = ::memfd_create(name, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(statx, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, int flags, uint32_t mask, struct statx *statxbuf) -> uint64_t {
uint64_t Result = FEX::HLE::_SyscallHandler->FM.Statx(dirfd, pathname, flags, mask, statxbuf);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(name_to_handle_at, [](FEXCore::Core::CpuStateFrame *Frame, int dirfd, const char *pathname, struct file_handle *handle, int *mount_id, int flags) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = ::name_to_handle_at(dirfd, pathname, handle, mount_id, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(open_by_handle_at, [](FEXCore::Core::CpuStateFrame *Frame, int mount_fd, struct file_handle *handle, int flags) -> uint64_t {
flags = RemapFlags(flags);
uint64_t Result = ::open_by_handle_at(mount_fd, handle, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(eventfd2, [](FEXCore::Core::CpuStateFrame *Frame, unsigned int count, int flags) -> uint64_t {
uint64_t Result = ::syscall(SYS_eventfd2, count, flags);
SYSCALL_ERRNO();
});
REGISTER_SYSCALL_IMPL(copy_file_range, [](FEXCore::Core::CpuStateFrame *Frame, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags) -> uint64_t {
uint64_t Result = ::copy_file_range(fd_in, off_in, fd_out, off_out, len, flags);
SYSCALL_ERRNO();
});
}
}