DESCRIPTION
Following is an overview of available syscall probes and convenience variables they offer. By default, each syscall probe has name and argstr convenience variables, which are not included in the overview in order to keep it short. Non dwarf-based nd_syscall probes are supposed to have the same convenience variables.
- syscall.accept
- addr_uaddr, addrlen_uaddr, sockfd
- syscall.accept4
- addr_uaddr, addrlen_uaddr, flags, flags_str, sockfd
- syscall.access
- mode, mode_str, pathname
- syscall.acct
- filename
- syscall.add_key
- description_uaddr, payload_uaddr, plen, ringid, type_uaddr
- syscall.adjtimex
- buf_str, buf_uaddr
- syscall.alarm
- seconds
- syscall.arch_prctl
- addr, code, code_str
- syscall.bdflush
- data, data_str, func
- syscall.bind
- addrlen, my_addr_uaddr, sockfd, uaddr_af, uaddr_ip, uaddr_ip_port, uaddr_ipv6_flowinfo, uaddr_ipv6_scope_id
- syscall.bpf
- attr_uaddr, cmd, cmd_str, size
- syscall.brk
- brk
- syscall.capget
- data_uaddr, header_uaddr
- syscall.capset
- data_uaddr, header_uaddr
- syscall.chdir
- path
- syscall.chmod
- mode, path
- syscall.chown
- group, owner, path
- syscall.chown16
- group, owner, path
- syscall.chroot
- path
- syscall.clock_adjtime
- clk_id, clk_id_str, tx_uaddr
- syscall.clock_getres
- clk_id, clk_id_str, res_uaddr
- syscall.clock_gettime
- clk_id, clk_id_str, tp_uaddr
- syscall.clock_nanosleep
- clk_id, clk_id_str, flags, flags_str, rem_uaddr, req_uaddr
- syscall.clock_settime
- clk_id, clk_id_str, tp_uaddr
- syscall.clone
- child_tid_uaddr, clone_flags, parent_tid_uaddr, stack_start
- syscall.close
- fd
- syscall.compat_adjtimex
- buf_str, buf_uaddr
- syscall.compat_clock_nanosleep
- clk_id, clk_id_str, flags, flags_str, rem_uaddr, req_uaddr
- syscall.compat_execve
- args, env_str, filename
- syscall.compat_execveat
- args, dirfd, dirfd_str, env_str, filename, flags, flags_str
- syscall.compat_fadvise64
- advice, fd, len, offset
- syscall.compat_fadvise64_64
- advice, fd, len, offset
- syscall.compat_fallocate
- fd, len, mode, offset
- syscall.compat_ftruncate64
- fd, length
- syscall.compat_futex
- futex_uaddr, op, uaddr2_uaddr, utime_uaddr, val3, val
- syscall.compat_futimesat
- dirfd, dirfd_str, filename, filename_uaddr, tvp_uaddr
- syscall.compat_getitimer
- value_uaddr, which
- syscall.compat_lookup_dcookie
- buffer_uaddr, cookie, len
- syscall.compat_nanosleep
- rem_uaddr, req_uaddr
- syscall.compat_ppoll
-
- syscall.compat_pselect6
-
- syscall.compat_readahead
- count, fd, offset
- syscall.compat_recvmmsg
- flags, flags_str, mmsg_uaddr, s, timeout_uaddr, vlen
- syscall.compat_rt_sigprocmask
- how, how_str, oldset_uaddr, set_uaddr
- syscall.compat_select
- exceptfds_uaddr, n, readfds_uaddr, timeout_uaddr, writefds_uaddr
- syscall.compat_setitimer
- ovalue_uaddr, value_uaddr, which
- syscall.compat_signalfd
- flags
- syscall.compat_sys_msgctl
- buf_uaddr, cmd, cmd_str, msqid
- syscall.compat_sys_msgrcv
- msgflg, msgflg_str, msgp_uaddr, msgsz, msgtyp, msqid
- syscall.compat_sys_msgsnd
- msgflg, msgflg_str, msgp_uaddr, msgsz, msqid
- syscall.compat_sys_recvmsg
- flags, flags_str, msg_uaddr, s
- syscall.compat_sys_semctl
- arg, cmd, cmdstr, semid, semnum
- syscall.compat_sys_semtimedop
- nsops, semid, sops_uaddr, timeout_uaddr
- syscall.compat_sys_sendmsg
- flags, flags_str, msg_uaddr, s
- syscall.compat_sys_shmat
- shmaddr_uaddr, shmflg, shmid
- syscall.compat_sys_shmctl
- buf_uaddr, cmd, cmd_str, shmid
- syscall.compat_sys_utimes
- filename
- syscall.compat_truncate64
- length, path, path_uaddr
- syscall.compat_utime
- actime, buf_uaddr, filename, filename_uaddr, modtime
- syscall.compat_utimensat
- dfd, dfd_str, filename, filename_uaddr, flags, flags_str, tsp_uaddr
- syscall.compat_vmsplice
- fd, flags, flags_str, iov, nr_segs
- syscall.connect
- addrlen, serv_addr_uaddr, sockfd, uaddr_af, uaddr_ip, uaddr_ip_port, uaddr_ipv6_flowinfo, uaddr_ipv6_scope_id
- syscall.creat
- mode, pathname
- syscall.delete_module
- flags, flags_str, name_user
- syscall.dup
- oldfd
- syscall.dup2
- flags, newfd, oldfd
- syscall.dup3
- flags, newfd, oldfd
- syscall.epoll_create
- flags, size
- syscall.epoll_ctl
- epfd, event_uaddr, fd, op, op_str
- syscall.epoll_pwait
- epfd, events_uaddr, maxevents, sigmask_uaddr, sigsetsize, timeout
- syscall.epoll_wait
- epfd, events_uaddr, maxevents, timeout
- syscall.eventfd
- count, flags, flags_str
- syscall.execve
- args, env_str, filename
- syscall.execveat
- args, dirfd, dirfd_str, env_str, filename, flags, flags_str
- syscall.exit
- status
- syscall.exit_group
- status
- syscall.faccessat
- dirfd, dirfd_str, mode, mode_str, pathname
- syscall.fadvise64
- advice, fd, len, offset
- syscall.fadvise64_64
- advice, fd, len, offset
- syscall.fallocate
- fd, len, mode, mode_str, offset
- syscall.fanotify_init
- event_f_flags, event_f_flags_str, flags, flags_str
- syscall.fanotify_mark
- dirfd, dirfd_str, fanotify_fd, flags, flags_str, mask, mask_str, pathname
- syscall.fchdir
- fd
- syscall.fchmod
- fildes, mode
- syscall.fchmodat
- dirfd, dirfd_str, mode, pathname
- syscall.fchown
- fd, group, owner
- syscall.fchown16
- fd, group, owner
- syscall.fchownat
- dirfd, dirfd_str, flags, flags_str, group, owner, pathname
- syscall.fcntl
- arg, cmd, cmd_str, fd
- syscall.fdatasync
- fd
- syscall.fgetxattr
- filedes, name_str, size, value_uaddr
- syscall.finit_module
- fd, flags, flags_str, uargs
- syscall.flistxattr
- filedes, list_uaddr, size
- syscall.flock
- fd, operation
- syscall.fork
-
- syscall.fremovexattr
- filedes, name_str, name_uaddr
- syscall.fsetxattr
- filedes, flags, flags_str, name_str, name_uaddr, size, value_str, value_uaddr
- syscall.fstat
- buf_uaddr, filedes
- syscall.fstatat
- buf_uaddr, dirfd, dirfd_str, flags, flags_str, path
- syscall.fstatfs
- buf_uaddr, fd
- syscall.fstatfs64
- buf_uaddr, fd, sz
- syscall.fsync
- fd
- syscall.ftruncate
- fd, length
- syscall.futex
- futex_uaddr, op, uaddr2_uaddr, utime_uaddr, val3, val
- syscall.futimesat
- dirfd, dirfd_str, filename, filename_uaddr, tvp_uaddr
- syscall.get_mempolicy
- addr, flags, flags_str, maxnode, nmask_uaddr, policy_uaddr
- syscall.get_robust_list
- len_uaddr, list_head_uaddr, pid
- syscall.get_thread_area
- u_info_uaddr
- syscall.getcpu
- cpu_uaddr, node_uaddr, tcache_uaddr
- syscall.getcwd
- buf_uaddr, size
- syscall.getdents
- count, dirp_uaddr, fd
- syscall.getegid
-
- syscall.geteuid
-
- syscall.getgid
-
- syscall.getgroups
- list_uaddr, size
- syscall.gethostname
- len, name_uaddr
- syscall.getitimer
- value_uaddr, which
- syscall.getpeername
- name_uaddr, namelen_uaddr, s
- syscall.getpgid
- pid
- syscall.getpgrp
-
- syscall.getpid
-
- syscall.getppid
-
- syscall.getpriority
- which, who
- syscall.getrandom
- buf, count, flags, flags_str
- syscall.getresgid
- egid_uaddr, rgid_uaddr, sgid_uaddr
- syscall.getresuid
- euid_uaddr, ruid_uaddr, suid_uaddr
- syscall.getrlimit
- resource, rlim_uaddr
- syscall.getrusage
- usage_uaddr, who, who_str
- syscall.getsid
- pid
- syscall.getsockname
- name_uaddr, namelen_uaddr, s
- syscall.getsockopt
- fd, level, level_str, optlen_uaddr, optname, optname_str, optval_uaddr
- syscall.gettid
-
- syscall.gettimeofday
- tv_uaddr, tz_uaddr
- syscall.getuid
-
- syscall.getxattr
- name_str, path, size, value_uaddr
- syscall.init_module
- len, uargs, umod_uaddr
- syscall.inotify_add_watch
- fd, mask, path, path_uaddr
- syscall.inotify_init
- flags
- syscall.inotify_rm_watch
- fd, wd
- syscall.io_cancel
- ctx_id, iocb_uaddr, result_uaddr
- syscall.io_destroy
- ctx
- syscall.io_getevents
- ctx_id, events_uaddr, min_nr, nr, timeout_uaddr, timestr
- syscall.io_setup
- ctxp_uaddr, maxevents
- syscall.io_submit
- ctx_id, iocbpp_uaddr, nr
- syscall.ioctl
- argp, fd, request
- syscall.ioperm
- from, num, turn_on
- syscall.iopl
- level
- syscall.ioprio_get
- which, which_str, who
- syscall.ioprio_set
- ioprio, ioprio_str, which, which_str, who
- syscall.kcmp
- idx1, idx2, pid1, pid2, type, type_str
- syscall.kexec_file_load
- cmdline, cmdline_len, flags, flags_str, initrd_fd, kernel_fd
- syscall.kexec_load
- entry, flags, flags_str, nr_segments, segments_uaddr
- syscall.keyctl
- arg2, arg3, arg4, arg5, option
- syscall.kill
- pid, sig
- syscall.lchown
- group, owner, path
- syscall.lchown16
- group, owner, path
- syscall.lgetxattr
- name_str, path, size, value_uaddr
- syscall.link
- newpath, oldpath
- syscall.linkat
- flags, flags_str, newdirfd, newdirfd_str, newpath, olddirfd, olddirfd_str, oldpath
- syscall.listen
- backlog, sockfd
- syscall.listxattr
- list_uaddr, path, path_uaddr, size
- syscall.llistxattr
- list_uaddr, path, path_uaddr, size
- syscall.llseek
- fd, offset_high, offset_low, result_uaddr, whence, whence_str
- syscall.lookup_dcookie
- buffer_uaddr, cookie, len
- syscall.lremovexattr
- name_str, name_uaddr, path, path_uaddr
- syscall.lseek
- fildes, offset, whence, whence_str
- syscall.lsetxattr
- flags, flags_str, name_str, name_uaddr, path, path_uaddr, size, value_str, value_uaddr
- syscall.lstat
- buf_uaddr, path
- syscall.madvise
- advice, advice_str, length, start
- syscall.mbind
- flags, flags_str, len, maxnode, mode, mode_str, nmask_uaddr, start
- syscall.memfd_create
- flags, flags_str, uname
- syscall.migrate_pages
- maxnode, new_nodes, old_nodes, pid
- syscall.mincore
- length, start, vec_uaddr
- syscall.mkdir
- mode, pathname, pathname_uaddr
- syscall.mkdirat
- dirfd, dirfd_str, mode, pathname
- syscall.mknod
- dev, mode, pathname
- syscall.mknodat
- dev, dirfd, dirfd_str, mode, mode_str, pathname
- syscall.mlock
- addr, len
- syscall.mlockall
- flags
- syscall.mmap2
- fd, flags, length, pgoffset, prot, start
- syscall.modify_ldt
- bytecount, func, ptr_uaddr
- syscall.mount
- data, filesystemtype, mountflags, mountflags_str, source, target
- syscall.move_pages
- flags, flags_str, nodes, nr_pages, pages, pid, status
- syscall.mprotect
- addr, len, prot, prot_str
- syscall.mq_getsetattr
- mqdes, u_mqstat_uaddr, u_omqstat_uaddr
- syscall.mq_notify
- mqdes, notification_uaddr
- syscall.mq_open
- filename, mode, name_uaddr, oflag, u_attr_uaddr
- syscall.mq_timedreceive
- abs_timeout_uaddr, mqdes, msg_len, msg_prio_uaddr, msg_ptr_uaddr
- syscall.mq_timedsend
- abs_timeout_uaddr, mqdes, msg_len, msg_prio, msg_ptr_uaddr
- syscall.mq_unlink
- u_name, u_name_uaddr
- syscall.mremap
- flags, new_address, new_size, old_address, old_size
- syscall.msgctl
- buf_uaddr, cmd, cmd_str, msqid
- syscall.msgget
- key, key_str, msgflg, msgflg_str
- syscall.msgrcv
- msgflg, msgflg_str, msgp_uaddr, msgsz, msgtyp, msqid
- syscall.msgsnd
- msgflg, msgflg_str, msgp_uaddr, msgsz, msqid
- syscall.msync
- flags, length, start
- syscall.munlock
- addr, len
- syscall.munlockall
-
- syscall.munmap
- length, start
- syscall.name_to_handle_at
- dfd, dfd_str, flags, flags_str, handle_uaddr, mnt_id_uaddr, pathname
- syscall.nanosleep
- rem_uaddr, req_uaddr
- syscall.ni_syscall
-
- syscall.nice
- inc
- syscall.open
- filename, flags, mode
- syscall.open_by_handle_at
- flags, flags_str, handle_uaddr, mount_dfd, mount_dfd_str
- syscall.openat
- dfd, dfd_str, filename, flags, mode
- syscall.pause
-
- syscall.perf_event_open
- attr_uaddr, cpu, flags, flags_str, group_fd, pid
- syscall.personality
- persona
- syscall.pipe
- fildes_uaddr, flag_str, flags, pipe0, pipe1
- syscall.pivot_root
- new_root_str, old_root_str
- syscall.poll
- nfds, timeout, ufds_uaddr
- syscall.ppoll
-
- syscall.prctl
- arg2, arg3, arg4, arg5, option
- syscall.pread
- buf_uaddr, count, fd, offset
- syscall.preadv
- count, fd, offset, vector_uaddr
- syscall.prlimit64
- new_rlim_uaddr, old_rlim_uaddr, pid, resource
- syscall.process_vm_readv
- flags, liovcnt, local_iov_uaddr, pid, remote_iov_uaddr, riovcnt
- syscall.process_vm_writev
- flags, liovcnt, local_iov_uaddr, pid, remote_iov_uaddr, riovcnt
- syscall.pselect6
-
- syscall.ptrace
- addr, data, pid, request
- syscall.pwrite
- buf_uaddr, count, fd, offset
- syscall.pwritev
- count, fd, offset, vector_uaddr
- syscall.quotactl
- addr_uaddr, cmd, cmd_str, id, special, special_str
- syscall.read
- buf_uaddr, count, fd
- syscall.readahead
- count, fd, offset
- syscall.readdir
- count, dirent, fd
- syscall.readlink
- buf_uaddr, bufsiz, path
- syscall.readlinkat
- buf_uaddr, bufsiz, dfd, dfd_str, path
- syscall.readv
- count, fd, vector_uaddr
- syscall.reboot
- arg_uaddr, flag, flag_str, magic2, magic2_str, magic, magic_str
- syscall.recv
- buf_uaddr, flags, flags_str, len, s
- syscall.recvfrom
- addr_uaddr, addrlen_uaddr, buf_uaddr, flags, flags_str, len, s
- syscall.recvmmsg
- flags, flags_str, mmsg_uaddr, s, timeout_uaddr, vlen
- syscall.recvmsg
- flags, flags_str, msg_uaddr, s
- syscall.remap_file_pages
- flags, pgoff, prot, size, start
- syscall.removexattr
- name_str, path
- syscall.rename
- newpath, oldpath
- syscall.renameat
- newdfd, newdfd_str, newname, newname_str, olddfd, olddfd_str, oldname, oldname_str
- syscall.renameat2
- flags, flags_str, newdfd, newdfd_str, newname, newname_str, olddfd, olddfd_str, oldname, oldname_str
- syscall.request_key
- callout_info_uaddr, description_uaddr, destringid, type_uaddr
- syscall.restart_syscall
-
- syscall.rmdir
- pathname
- syscall.rt_sigaction
- act_uaddr, oact_uaddr, sig, sigsetsize
- syscall.rt_sigaction32
- act_uaddr, oact_uaddr, sig, sigsetsize
- syscall.rt_sigpending
- set_uaddr, sigsetsize
- syscall.rt_sigprocmask
- how, how_str, oldset_uaddr, set_uaddr
- syscall.rt_sigqueueinfo
- pid, sig, uinfo_uaddr
- syscall.rt_sigreturn
-
- syscall.rt_sigsuspend
- set_uaddr, sigsetsize
- syscall.rt_sigtimedwait
- sigsetsize, uinfo_uaddr, uthese_uaddr, uts_uaddr
- syscall.rt_tgsigqueueinfo
- sig, tgid, tid, uinfo_uaddr
- syscall.sched_get_priority_max
- policy
- syscall.sched_get_priority_min
- policy
- syscall.sched_getaffinity
- len, mask_uaddr, pid
- syscall.sched_getattr
- flags, pid, sched_attr_str, sched_attr_uaddr, size
- syscall.sched_getparam
- p_uaddr, pid
- syscall.sched_getscheduler
- pid
- syscall.sched_rr_get_interval
- pid, tp_uaddr
- syscall.sched_setaffinity
- len, mask_uaddr, pid
- syscall.sched_setattr
- flags, pid, sched_attr_str, sched_attr_uaddr
- syscall.sched_setparam
- p_uaddr, pid
- syscall.sched_setscheduler
- p_uaddr, pid, policy, policy_str
- syscall.sched_yield
-
- syscall.seccomp
- flags, flags_str, op, op_str, uargs, uargs_uaddr
- syscall.select
- exceptfds_uaddr, n, readfds_uaddr, timeout_uaddr, writefds_uaddr
- syscall.semctl
- arg, cmd, cmdstr, semid, semnum
- syscall.semget
- key, key_str, nsems, semflg, semflg_str
- syscall.semop
- nsops, semid, sops_uaddr
- syscall.semtimedop
- nsops, semid, sops_uaddr, timeout_uaddr
- syscall.send
- buf_uaddr, flags, flags_str, len, s
- syscall.sendfile
- count, in_fd, offset_uaddr, out_fd
- syscall.sendmmsg
- flags, flags_str, mmsg_uaddr, s, vlen
- syscall.sendmsg
- flags, flags_str, msg_uaddr, s
- syscall.sendto
- buf_uaddr, flags, flags_str, len, s, to_uaddr, tolen
- syscall.set_mempolicy
- maxnode, mode, mode_str, nmask_uaddr
- syscall.set_robust_list
- len, list_head_uaddr
- syscall.set_thread_area
- u_info_uaddr
- syscall.set_tid_address
- tidptr_uaddr
- syscall.setdomainname
- domainname_str, domainname_uaddr, len
- syscall.setfsgid
- fsgid
- syscall.setfsuid
- fsuid
- syscall.setgid
- gid
- syscall.setgroups
- list_uaddr, size
- syscall.sethostname
- hostname_uaddr, len, name_str
- syscall.setitimer
- ovalue_uaddr, value_uaddr, which
- syscall.setns
- fd, nstype
- syscall.setpgid
- pgid, pid
- syscall.setpriority
- prio, which, which_str, who
- syscall.setregid
- egid, rgid
- syscall.setregid16
- egid, rgid
- syscall.setresgid
- egid, rgid, sgid
- syscall.setresgid16
- egid, rgid, sgid
- syscall.setresuid
- euid, ruid, suid
- syscall.setresuid16
- euid, ruid, suid
- syscall.setreuid
- euid, ruid
- syscall.setreuid16
- euid, ruid
- syscall.setrlimit
- resource, rlim_uaddr
- syscall.setsid
-
- syscall.setsockopt
- fd, level, level_str, optlen, optname, optname_str, optval_uaddr
- syscall.settimeofday
- tv_uaddr, tz_uaddr
- syscall.settimeofday32
- tv_uaddr, tz_uaddr
- syscall.setuid
- uid
- syscall.setxattr
- flags, flags_str, name_str, name_uaddr, path, path_uaddr, size, value_str, value_uaddr
- syscall.sgetmask
-
- syscall.shmat
- shmaddr_uaddr, shmflg, shmid
- syscall.shmctl
- buf_uaddr, cmd, cmd_str, shmid
- syscall.shmdt
- shmaddr_uaddr
- syscall.shmget
- key, shmflg, shmflg_str, size
- syscall.shutdown
- how, how_str, s
- syscall.sigaction32
- act_uaddr, oact_uaddr, sig
- syscall.sigaltstack
- uoss_uaddr, uss_uaddr
- syscall.signal
- handler, sig
- syscall.signalfd
- flags
- syscall.sigpending
-
- syscall.sigprocmask
- how, how_str, oldset_uaddr, set_uaddr
- syscall.sigreturn
-
- syscall.sigsuspend
- mask
- syscall.socket
- family, protocol, type
- syscall.socketpair
- family, protocol, sv_uaddr, type
- syscall.splice
- fd_in, fd_out, flags, flags_str, len, off_in, off_out
- syscall.ssetmask
- newmask, newmask_str
- syscall.stat
- buf_uaddr, filename, filename_uaddr
- syscall.statfs
- buf_uaddr, path
- syscall.statfs64
- buf_uaddr, path, sz
- syscall.stime
- t_uaddr
- syscall.swapoff
- path
- syscall.swapon
- path, swapflags, swapflags_str
- syscall.symlink
- newpath, oldpath
- syscall.symlinkat
- newdfd, newdfd_str, newname, newname_str, oldname, oldname_str
- syscall.sync
-
- syscall.sync_file_range
- fd, flags, flags_str, nbytes, offset
- syscall.syncfs
- fd
- syscall.sysctl
-
- syscall.sysfs
- arg1, arg2, option
- syscall.sysinfo
- info_uaddr
- syscall.syslog
- bufp_uaddr, len, type
- syscall.tee
- fdin, fdout, flags, len
- syscall.tgkill
- pid, sig, tgid
- syscall.time
- t_uaddr
- syscall.timer_create
- clockid, clockid_str, evp_uaddr, timerid_uaddr
- syscall.timer_delete
- timerid
- syscall.timer_getoverrun
- timerid
- syscall.timer_gettime
- timerid, value_uaddr
- syscall.timer_settime
- flags, ovalue_uaddr, timerid, value_uaddr
- syscall.timerfd_create
- clockid, clockid_str, flags, flags_str
- syscall.timerfd_gettime
- fd, value_uaddr
- syscall.timerfd_settime
- fd, flags, flags_str, ovalue_uaddr, value_uaddr
- syscall.times
- buf_uaddr
- syscall.tkill
- pid, sig
- syscall.truncate
- length, path, path_uaddr
- syscall.umask
- mask
- syscall.umount
- flags, flags_str, target
- syscall.uname
-
- syscall.unlink
- pathname, pathname_uaddr
- syscall.unlinkat
- dfd, dfd_str, flag, flag_str, pathname, pathname_str
- syscall.unshare
- unshare_flags
- syscall.ustat
- dev, ubuf_uaddr
- syscall.ustat32
- dev, ubuf_uaddr
- syscall.utime
- actime, buf_uaddr, filename, filename_uaddr, modtime
- syscall.utimensat
- dfd, dfd_str, filename, filename_uaddr, flags, flags_str, tsp_uaddr
- syscall.utimes
- filename, filename_uaddr, tvp_uaddr
- syscall.vfork
-
- syscall.vhangup
-
- syscall.vmsplice
- fd, flags, flags_str, iov, nr_segs
- syscall.wait4
- options, options_str, pid, rusage_uaddr, status_uaddr
- syscall.waitid
- infop_uaddr, options, options_str, pid, rusage_uaddr, which, which_str
- syscall.waitpid
- options, options_str, pid, status_uaddr
- syscall.write
- buf_uaddr, count, fd
- syscall.writev
-
count, fd, vector_uaddr