diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_freebsd.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_freebsd.go | 249 |
1 files changed, 45 insertions, 204 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_freebsd.go b/vendor/golang.org/x/sys/unix/syscall_freebsd.go index de7c23e..2b57e0f 100644 --- a/vendor/golang.org/x/sys/unix/syscall_freebsd.go +++ b/vendor/golang.org/x/sys/unix/syscall_freebsd.go @@ -13,6 +13,7 @@ package unix import ( + "errors" "sync" "unsafe" ) @@ -161,32 +162,34 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { return } -//sys ioctl(fd int, req uint, arg uintptr) (err error) +//sys ioctl(fd int, req uint, arg uintptr) (err error) = SYS_IOCTL +//sys ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error) = SYS_IOCTL //sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL func Uname(uname *Utsname) error { mib := []_C_int{CTL_KERN, KERN_OSTYPE} n := unsafe.Sizeof(uname.Sysname) - if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { + // Suppress ENOMEM errors to be compatible with the C library __xuname() implementation. + if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil && !errors.Is(err, ENOMEM) { return err } mib = []_C_int{CTL_KERN, KERN_HOSTNAME} n = unsafe.Sizeof(uname.Nodename) - if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { + if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil && !errors.Is(err, ENOMEM) { return err } mib = []_C_int{CTL_KERN, KERN_OSRELEASE} n = unsafe.Sizeof(uname.Release) - if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { + if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil && !errors.Is(err, ENOMEM) { return err } mib = []_C_int{CTL_KERN, KERN_VERSION} n = unsafe.Sizeof(uname.Version) - if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { + if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil && !errors.Is(err, ENOMEM) { return err } @@ -204,7 +207,7 @@ func Uname(uname *Utsname) error { mib = []_C_int{CTL_HW, HW_MACHINE} n = unsafe.Sizeof(uname.Machine) - if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { + if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil && !errors.Is(err, ENOMEM) { return err } @@ -253,6 +256,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e } //sys ptrace(request int, pid int, addr uintptr, data int) (err error) +//sys ptracePtr(request int, pid int, addr unsafe.Pointer, data int) (err error) = SYS_PTRACE func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) @@ -267,19 +271,36 @@ func PtraceDetach(pid int) (err error) { } func PtraceGetFpRegs(pid int, fpregsout *FpReg) (err error) { - return ptrace(PT_GETFPREGS, pid, uintptr(unsafe.Pointer(fpregsout)), 0) + return ptracePtr(PT_GETFPREGS, pid, unsafe.Pointer(fpregsout), 0) } func PtraceGetRegs(pid int, regsout *Reg) (err error) { - return ptrace(PT_GETREGS, pid, uintptr(unsafe.Pointer(regsout)), 0) + return ptracePtr(PT_GETREGS, pid, unsafe.Pointer(regsout), 0) +} + +func PtraceIO(req int, pid int, offs uintptr, out []byte, countin int) (count int, err error) { + ioDesc := PtraceIoDesc{ + Op: int32(req), + Offs: offs, + } + if countin > 0 { + _ = out[:countin] // check bounds + ioDesc.Addr = &out[0] + } else if out != nil { + ioDesc.Addr = (*byte)(unsafe.Pointer(&_zero)) + } + ioDesc.SetLen(countin) + + err = ptracePtr(PT_IO, pid, unsafe.Pointer(&ioDesc), 0) + return int(ioDesc.Len), err } func PtraceLwpEvents(pid int, enable int) (err error) { return ptrace(PT_LWP_EVENTS, pid, 0, enable) } -func PtraceLwpInfo(pid int, info uintptr) (err error) { - return ptrace(PT_LWPINFO, pid, info, int(unsafe.Sizeof(PtraceLwpInfoStruct{}))) +func PtraceLwpInfo(pid int, info *PtraceLwpInfoStruct) (err error) { + return ptracePtr(PT_LWPINFO, pid, unsafe.Pointer(info), int(unsafe.Sizeof(*info))) } func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) { @@ -299,13 +320,25 @@ func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) { } func PtraceSetRegs(pid int, regs *Reg) (err error) { - return ptrace(PT_SETREGS, pid, uintptr(unsafe.Pointer(regs)), 0) + return ptracePtr(PT_SETREGS, pid, unsafe.Pointer(regs), 0) } func PtraceSingleStep(pid int) (err error) { return ptrace(PT_STEP, pid, 1, 0) } +func Dup3(oldfd, newfd, flags int) error { + if oldfd == newfd || flags&^O_CLOEXEC != 0 { + return EINVAL + } + how := F_DUP2FD + if flags&O_CLOEXEC != 0 { + how = F_DUP2FD_CLOEXEC + } + _, err := fcntl(oldfd, how, newfd) + return err +} + /* * Exposed directly */ @@ -319,6 +352,7 @@ func PtraceSingleStep(pid int) (err error) { //sys Chmod(path string, mode uint32) (err error) //sys Chown(path string, uid int, gid int) (err error) //sys Chroot(path string) (err error) +//sys ClockGettime(clockid int32, time *Timespec) (err error) //sys Close(fd int) (err error) //sys Dup(fd int) (nfd int, err error) //sys Dup2(from int, to int) (err error) @@ -401,7 +435,6 @@ func PtraceSingleStep(pid int) (err error) { //sysnb Setreuid(ruid int, euid int) (err error) //sysnb Setresgid(rgid int, egid int, sgid int) (err error) //sysnb Setresuid(ruid int, euid int, suid int) (err error) -//sysnb Setrlimit(which int, lim *Rlimit) (err error) //sysnb Setsid() (pid int, err error) //sysnb Settimeofday(tp *Timeval) (err error) //sysnb Setuid(uid int) (err error) @@ -418,197 +451,5 @@ func PtraceSingleStep(pid int) (err error) { //sys write(fd int, p []byte) (n int, err error) //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) //sys munmap(addr uintptr, length uintptr) (err error) -//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ -//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE //sys accept4(fd int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (nfd int, err error) //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error) - -/* - * Unimplemented - */ -// Profil -// Sigaction -// Sigprocmask -// Getlogin -// Sigpending -// Sigaltstack -// Ioctl -// Reboot -// Execve -// Vfork -// Sbrk -// Sstk -// Ovadvise -// Mincore -// Setitimer -// Swapon -// Select -// Sigsuspend -// Readv -// Writev -// Nfssvc -// Getfh -// Quotactl -// Mount -// Csops -// Waitid -// Add_profil -// Kdebug_trace -// Sigreturn -// Atsocket -// Kqueue_from_portset_np -// Kqueue_portset -// Getattrlist -// Setattrlist -// Getdents -// Getdirentriesattr -// Searchfs -// Delete -// Copyfile -// Watchevent -// Waitevent -// Modwatch -// Fsctl -// Initgroups -// Posix_spawn -// Nfsclnt -// Fhopen -// Minherit -// Semsys -// Msgsys -// Shmsys -// Semctl -// Semget -// Semop -// Msgctl -// Msgget -// Msgsnd -// Msgrcv -// Shmat -// Shmctl -// Shmdt -// Shmget -// Shm_open -// Shm_unlink -// Sem_open -// Sem_close -// Sem_unlink -// Sem_wait -// Sem_trywait -// Sem_post -// Sem_getvalue -// Sem_init -// Sem_destroy -// Open_extended -// Umask_extended -// Stat_extended -// Lstat_extended -// Fstat_extended -// Chmod_extended -// Fchmod_extended -// Access_extended -// Settid -// Gettid -// Setsgroups -// Getsgroups -// Setwgroups -// Getwgroups -// Mkfifo_extended -// Mkdir_extended -// Identitysvc -// Shared_region_check_np -// Shared_region_map_np -// __pthread_mutex_destroy -// __pthread_mutex_init -// __pthread_mutex_lock -// __pthread_mutex_trylock -// __pthread_mutex_unlock -// __pthread_cond_init -// __pthread_cond_destroy -// __pthread_cond_broadcast -// __pthread_cond_signal -// Setsid_with_pid -// __pthread_cond_timedwait -// Aio_fsync -// Aio_return -// Aio_suspend -// Aio_cancel -// Aio_error -// Aio_read -// Aio_write -// Lio_listio -// __pthread_cond_wait -// Iopolicysys -// __pthread_kill -// __pthread_sigmask -// __sigwait -// __disable_threadsignal -// __pthread_markcancel -// __pthread_canceled -// __semwait_signal -// Proc_info -// Stat64_extended -// Lstat64_extended -// Fstat64_extended -// __pthread_chdir -// __pthread_fchdir -// Audit -// Auditon -// Getauid -// Setauid -// Getaudit -// Setaudit -// Getaudit_addr -// Setaudit_addr -// Auditctl -// Bsdthread_create -// Bsdthread_terminate -// Stack_snapshot -// Bsdthread_register -// Workq_open -// Workq_ops -// __mac_execve -// __mac_syscall -// __mac_get_file -// __mac_set_file -// __mac_get_link -// __mac_set_link -// __mac_get_proc -// __mac_set_proc -// __mac_get_fd -// __mac_set_fd -// __mac_get_pid -// __mac_get_lcid -// __mac_get_lctx -// __mac_set_lctx -// Setlcid -// Read_nocancel -// Write_nocancel -// Open_nocancel -// Close_nocancel -// Wait4_nocancel -// Recvmsg_nocancel -// Sendmsg_nocancel -// Recvfrom_nocancel -// Accept_nocancel -// Fcntl_nocancel -// Select_nocancel -// Fsync_nocancel -// Connect_nocancel -// Sigsuspend_nocancel -// Readv_nocancel -// Writev_nocancel -// Sendto_nocancel -// Pread_nocancel -// Pwrite_nocancel -// Waitid_nocancel -// Poll_nocancel -// Msgsnd_nocancel -// Msgrcv_nocancel -// Sem_wait_nocancel -// Aio_suspend_nocancel -// __sigwait_nocancel -// __semwait_signal_nocancel -// __mac_mount -// __mac_get_mount -// __mac_getfsstat |