Add definitions of system calls to catch in native NetBSD targets

All platforms on NetBSD use a shared system call table, so use a
single XML file to describe the system calls available on each NetBSD
platform.

gdb/ChangeLog:

       * syscalls/update-netbsd.sh: New file.
       * syscalls/netbsd.xml: Regenerate.
       * data-directory/Makefile.in: Register `netbsd.xml' in
       `SYSCALLS_FILES'

4 files changed, 547 insertions, 1 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 81983103ac2..3313f156c94 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,10 @@
+2020-04-28  Kamil Rytarowski  <n54@gmx.com>
+
+	* syscalls/update-netbsd.sh: New file.
+	* syscalls/netbsd.xml: Regenerate.
+	* data-directory/Makefile.in: Register `netbsd.xml' in
+	`SYSCALLS_FILES'.
+
 2020-04-28  Simon Marchi  <simon.marchi@efficios.com>
 
 	* syscalls/update-freebsd.sh: Add double quotes.
diff --git a/gdb/data-directory/Makefile.in b/gdb/data-directory/Makefile.in
index 68b794a353d..3f0c729404b 100644
--- a/gdb/data-directory/Makefile.in
+++ b/gdb/data-directory/Makefile.in
@@ -63,7 +63,7 @@ GEN_SYSCALLS_FILES = \
 	sparc-linux.xml \
 	sparc64-linux.xml
 
-SYSCALLS_FILES = gdb-syscalls.dtd freebsd.xml $(GEN_SYSCALLS_FILES)
+SYSCALLS_FILES = gdb-syscalls.dtd freebsd.xml netbsd.xml $(GEN_SYSCALLS_FILES)
 
 PYTHON_DIR = python
 PYTHON_INSTALL_DIR = $(DESTDIR)$(GDB_DATADIR)/$(PYTHON_DIR)
diff --git a/gdb/syscalls/netbsd.xml b/gdb/syscalls/netbsd.xml
new file mode 100644
index 00000000000..06a9702659f
--- /dev/null
+++ b/gdb/syscalls/netbsd.xml
@@ -0,0 +1,461 @@
+<?xml version="1.0"?> <!-- THIS FILE IS GENERATED -*- buffer-read-only: t -*-  -->
+<!-- vi:set ro: -->
+<!-- Copyright (C) 2020 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!DOCTYPE feature SYSTEM "gdb-syscalls.dtd">
+
+<!-- This file was generated using the following file:
+
+     /usr/src/sys/sys/syscall.h
+
+     The file mentioned above belongs to the NetBSD Kernel.  -->
+
+<syscalls_info>
+  <syscall name="exit" number="1"/>
+  <syscall name="fork" number="2"/>
+  <syscall name="read" number="3"/>
+  <syscall name="write" number="4"/>
+  <syscall name="open" number="5"/>
+  <syscall name="close" number="6"/>
+  <syscall name="compat_50_wait4" number="7"/>
+  <syscall name="compat_43_ocreat" number="8"/>
+  <syscall name="link" number="9"/>
+  <syscall name="unlink" number="10"/>
+  <syscall name="execv" number="11"/>
+  <syscall name="chdir" number="12"/>
+  <syscall name="fchdir" number="13"/>
+  <syscall name="compat_50_mknod" number="14"/>
+  <syscall name="chmod" number="15"/>
+  <syscall name="chown" number="16"/>
+  <syscall name="break" number="17"/>
+  <syscall name="compat_20_getfsstat" number="18"/>
+  <syscall name="compat_43_olseek" number="19"/>
+  <syscall name="getpid" number="20"/>
+  <syscall name="compat_40_mount" number="21"/>
+  <syscall name="unmount" number="22"/>
+  <syscall name="setuid" number="23"/>
+  <syscall name="getuid" number="24"/>
+  <syscall name="geteuid" number="25"/>
+  <syscall name="ptrace" number="26"/>
+  <syscall name="recvmsg" number="27"/>
+  <syscall name="sendmsg" number="28"/>
+  <syscall name="recvfrom" number="29"/>
+  <syscall name="accept" number="30"/>
+  <syscall name="getpeername" number="31"/>
+  <syscall name="getsockname" number="32"/>
+  <syscall name="access" number="33"/>
+  <syscall name="chflags" number="34"/>
+  <syscall name="fchflags" number="35"/>
+  <syscall name="sync" number="36"/>
+  <syscall name="kill" number="37"/>
+  <syscall name="compat_43_stat43" number="38"/>
+  <syscall name="getppid" number="39"/>
+  <syscall name="compat_43_lstat43" number="40"/>
+  <syscall name="dup" number="41"/>
+  <syscall name="pipe" number="42"/>
+  <syscall name="getegid" number="43"/>
+  <syscall name="profil" number="44"/>
+  <syscall name="ktrace" number="45"/>
+  <syscall name="compat_13_sigaction13" number="46"/>
+  <syscall name="getgid" number="47"/>
+  <syscall name="compat_13_sigprocmask13" number="48"/>
+  <syscall name="__getlogin" number="49"/>
+  <syscall name="__setlogin" number="50"/>
+  <syscall name="acct" number="51"/>
+  <syscall name="compat_13_sigpending13" number="52"/>
+  <syscall name="compat_13_sigaltstack13" number="53"/>
+  <syscall name="ioctl" number="54"/>
+  <syscall name="compat_12_oreboot" number="55"/>
+  <syscall name="revoke" number="56"/>
+  <syscall name="symlink" number="57"/>
+  <syscall name="readlink" number="58"/>
+  <syscall name="execve" number="59"/>
+  <syscall name="umask" number="60"/>
+  <syscall name="chroot" number="61"/>
+  <syscall name="compat_43_fstat43" number="62"/>
+  <syscall name="compat_43_ogetkerninfo" number="63"/>
+  <syscall name="compat_43_ogetpagesize" number="64"/>
+  <syscall name="compat_12_msync" number="65"/>
+  <syscall name="vfork" number="66"/>
+  <syscall name="vread" number="67"/>
+  <syscall name="vwrite" number="68"/>
+  <syscall name="sbrk" number="69"/>
+  <syscall name="sstk" number="70"/>
+  <syscall name="compat_43_ommap" number="71"/>
+  <syscall name="vadvise" number="72"/>
+  <syscall name="munmap" number="73"/>
+  <syscall name="mprotect" number="74"/>
+  <syscall name="madvise" number="75"/>
+  <syscall name="vhangup" number="76"/>
+  <syscall name="vlimit" number="77"/>
+  <syscall name="mincore" number="78"/>
+  <syscall name="getgroups" number="79"/>
+  <syscall name="setgroups" number="80"/>
+  <syscall name="getpgrp" number="81"/>
+  <syscall name="setpgid" number="82"/>
+  <syscall name="compat_50_setitimer" number="83"/>
+  <syscall name="compat_43_owait" number="84"/>
+  <syscall name="compat_12_oswapon" number="85"/>
+  <syscall name="compat_50_getitimer" number="86"/>
+  <syscall name="compat_43_ogethostname" number="87"/>
+  <syscall name="compat_43_osethostname" number="88"/>
+  <syscall name="compat_43_ogetdtablesize" number="89"/>
+  <syscall name="dup2" number="90"/>
+  <syscall name="fcntl" number="92"/>
+  <syscall name="compat_50_select" number="93"/>
+  <syscall name="fsync" number="95"/>
+  <syscall name="setpriority" number="96"/>
+  <syscall name="compat_30_socket" number="97"/>
+  <syscall name="connect" number="98"/>
+  <syscall name="compat_43_oaccept" number="99"/>
+  <syscall name="getpriority" number="100"/>
+  <syscall name="compat_43_osend" number="101"/>
+  <syscall name="compat_43_orecv" number="102"/>
+  <syscall name="compat_13_sigreturn13" number="103"/>
+  <syscall name="bind" number="104"/>
+  <syscall name="setsockopt" number="105"/>
+  <syscall name="listen" number="106"/>
+  <syscall name="vtimes" number="107"/>
+  <syscall name="compat_43_osigvec" number="108"/>
+  <syscall name="compat_43_osigblock" number="109"/>
+  <syscall name="compat_43_osigsetmask" number="110"/>
+  <syscall name="compat_13_sigsuspend13" number="111"/>
+  <syscall name="compat_43_osigstack" number="112"/>
+  <syscall name="compat_43_orecvmsg" number="113"/>
+  <syscall name="compat_43_osendmsg" number="114"/>
+  <syscall name="vtrace" number="115"/>
+  <syscall name="compat_50_gettimeofday" number="116"/>
+  <syscall name="compat_50_getrusage" number="117"/>
+  <syscall name="getsockopt" number="118"/>
+  <syscall name="resuba" number="119"/>
+  <syscall name="readv" number="120"/>
+  <syscall name="writev" number="121"/>
+  <syscall name="compat_50_settimeofday" number="122"/>
+  <syscall name="fchown" number="123"/>
+  <syscall name="fchmod" number="124"/>
+  <syscall name="compat_43_orecvfrom" number="125"/>
+  <syscall name="setreuid" number="126"/>
+  <syscall name="setregid" number="127"/>
+  <syscall name="rename" number="128"/>
+  <syscall name="compat_43_otruncate" number="129"/>
+  <syscall name="compat_43_oftruncate" number="130"/>
+  <syscall name="flock" number="131"/>
+  <syscall name="mkfifo" number="132"/>
+  <syscall name="sendto" number="133"/>
+  <syscall name="shutdown" number="134"/>
+  <syscall name="socketpair" number="135"/>
+  <syscall name="mkdir" number="136"/>
+  <syscall name="rmdir" number="137"/>
+  <syscall name="compat_50_utimes" number="138"/>
+  <syscall name="compat_50_adjtime" number="140"/>
+  <syscall name="compat_43_ogetpeername" number="141"/>
+  <syscall name="compat_43_ogethostid" number="142"/>
+  <syscall name="compat_43_osethostid" number="143"/>
+  <syscall name="compat_43_ogetrlimit" number="144"/>
+  <syscall name="compat_43_osetrlimit" number="145"/>
+  <syscall name="compat_43_okillpg" number="146"/>
+  <syscall name="setsid" number="147"/>
+  <syscall name="compat_50_quotactl" number="148"/>
+  <syscall name="compat_43_oquota" number="149"/>
+  <syscall name="compat_43_ogetsockname" number="150"/>
+  <syscall name="nfssvc" number="155"/>
+  <syscall name="compat_43_ogetdirentries" number="156"/>
+  <syscall name="compat_20_statfs" number="157"/>
+  <syscall name="compat_20_fstatfs" number="158"/>
+  <syscall name="compat_30_getfh" number="161"/>
+  <syscall name="compat_09_ogetdomainname" number="162"/>
+  <syscall name="compat_09_osetdomainname" number="163"/>
+  <syscall name="compat_09_ouname" number="164"/>
+  <syscall name="sysarch" number="165"/>
+  <syscall name="compat_10_osemsys" number="169"/>
+  <syscall name="compat_10_omsgsys" number="170"/>
+  <syscall name="compat_10_oshmsys" number="171"/>
+  <syscall name="pread" number="173"/>
+  <syscall name="pwrite" number="174"/>
+  <syscall name="compat_30_ntp_gettime" number="175"/>
+  <syscall name="ntp_adjtime" number="176"/>
+  <syscall name="setgid" number="181"/>
+  <syscall name="setegid" number="182"/>
+  <syscall name="seteuid" number="183"/>
+  <syscall name="lfs_bmapv" number="184"/>
+  <syscall name="lfs_markv" number="185"/>
+  <syscall name="lfs_segclean" number="186"/>
+  <syscall name="compat_50_lfs_segwait" number="187"/>
+  <syscall name="compat_12_stat12" number="188"/>
+  <syscall name="compat_12_fstat12" number="189"/>
+  <syscall name="compat_12_lstat12" number="190"/>
+  <syscall name="pathconf" number="191"/>
+  <syscall name="fpathconf" number="192"/>
+  <syscall name="getsockopt2" number="193"/>
+  <syscall name="getrlimit" number="194"/>
+  <syscall name="setrlimit" number="195"/>
+  <syscall name="compat_12_getdirentries" number="196"/>
+  <syscall name="mmap" number="197"/>
+  <syscall name="lseek" number="199"/>
+  <syscall name="truncate" number="200"/>
+  <syscall name="ftruncate" number="201"/>
+  <syscall name="__sysctl" number="202"/>
+  <syscall name="mlock" number="203"/>
+  <syscall name="munlock" number="204"/>
+  <syscall name="undelete" number="205"/>
+  <syscall name="compat_50_futimes" number="206"/>
+  <syscall name="getpgid" number="207"/>
+  <syscall name="reboot" number="208"/>
+  <syscall name="poll" number="209"/>
+  <syscall name="afssys" number="210"/>
+  <syscall name="compat_14___semctl" number="220"/>
+  <syscall name="semget" number="221"/>
+  <syscall name="semop" number="222"/>
+  <syscall name="semconfig" number="223"/>
+  <syscall name="compat_14_msgctl" number="224"/>
+  <syscall name="msgget" number="225"/>
+  <syscall name="msgsnd" number="226"/>
+  <syscall name="msgrcv" number="227"/>
+  <syscall name="shmat" number="228"/>
+  <syscall name="compat_14_shmctl" number="229"/>
+  <syscall name="shmdt" number="230"/>
+  <syscall name="shmget" number="231"/>
+  <syscall name="compat_50_clock_gettime" number="232"/>
+  <syscall name="compat_50_clock_settime" number="233"/>
+  <syscall name="compat_50_clock_getres" number="234"/>
+  <syscall name="timer_create" number="235"/>
+  <syscall name="timer_delete" number="236"/>
+  <syscall name="compat_50_timer_settime" number="237"/>
+  <syscall name="compat_50_timer_gettime" number="238"/>
+  <syscall name="timer_getoverrun" number="239"/>
+  <syscall name="compat_50_nanosleep" number="240"/>
+  <syscall name="fdatasync" number="241"/>
+  <syscall name="mlockall" number="242"/>
+  <syscall name="munlockall" number="243"/>
+  <syscall name="compat_50___sigtimedwait" number="244"/>
+  <syscall name="sigqueueinfo" number="245"/>
+  <syscall name="modctl" number="246"/>
+  <syscall name="_ksem_init" number="247"/>
+  <syscall name="_ksem_open" number="248"/>
+  <syscall name="_ksem_unlink" number="249"/>
+  <syscall name="_ksem_close" number="250"/>
+  <syscall name="_ksem_post" number="251"/>
+  <syscall name="_ksem_wait" number="252"/>
+  <syscall name="_ksem_trywait" number="253"/>
+  <syscall name="_ksem_getvalue" number="254"/>
+  <syscall name="_ksem_destroy" number="255"/>
+  <syscall name="_ksem_timedwait" number="256"/>
+  <syscall name="mq_open" number="257"/>
+  <syscall name="mq_close" number="258"/>
+  <syscall name="mq_unlink" number="259"/>
+  <syscall name="mq_getattr" number="260"/>
+  <syscall name="mq_setattr" number="261"/>
+  <syscall name="mq_notify" number="262"/>
+  <syscall name="mq_send" number="263"/>
+  <syscall name="mq_receive" number="264"/>
+  <syscall name="compat_50_mq_timedsend" number="265"/>
+  <syscall name="compat_50_mq_timedreceive" number="266"/>
+  <syscall name="__posix_rename" number="270"/>
+  <syscall name="swapctl" number="271"/>
+  <syscall name="compat_30_getdents" number="272"/>
+  <syscall name="minherit" number="273"/>
+  <syscall name="lchmod" number="274"/>
+  <syscall name="lchown" number="275"/>
+  <syscall name="compat_50_lutimes" number="276"/>
+  <syscall name="__msync13" number="277"/>
+  <syscall name="compat_30___stat13" number="278"/>
+  <syscall name="compat_30___fstat13" number="279"/>
+  <syscall name="compat_30___lstat13" number="280"/>
+  <syscall name="__sigaltstack14" number="281"/>
+  <syscall name="__vfork14" number="282"/>
+  <syscall name="__posix_chown" number="283"/>
+  <syscall name="__posix_fchown" number="284"/>
+  <syscall name="__posix_lchown" number="285"/>
+  <syscall name="getsid" number="286"/>
+  <syscall name="__clone" number="287"/>
+  <syscall name="fktrace" number="288"/>
+  <syscall name="preadv" number="289"/>
+  <syscall name="pwritev" number="290"/>
+  <syscall name="compat_16___sigaction14" number="291"/>
+  <syscall name="__sigpending14" number="292"/>
+  <syscall name="__sigprocmask14" number="293"/>
+  <syscall name="__sigsuspend14" number="294"/>
+  <syscall name="compat_16___sigreturn14" number="295"/>
+  <syscall name="__getcwd" number="296"/>
+  <syscall name="fchroot" number="297"/>
+  <syscall name="compat_30_fhopen" number="298"/>
+  <syscall name="compat_30_fhstat" number="299"/>
+  <syscall name="compat_20_fhstatfs" number="300"/>
+  <syscall name="compat_50_____semctl13" number="301"/>
+  <syscall name="compat_50___msgctl13" number="302"/>
+  <syscall name="compat_50___shmctl13" number="303"/>
+  <syscall name="lchflags" number="304"/>
+  <syscall name="issetugid" number="305"/>
+  <syscall name="utrace" number="306"/>
+  <syscall name="getcontext" number="307"/>
+  <syscall name="setcontext" number="308"/>
+  <syscall name="_lwp_create" number="309"/>
+  <syscall name="_lwp_exit" number="310"/>
+  <syscall name="_lwp_self" number="311"/>
+  <syscall name="_lwp_wait" number="312"/>
+  <syscall name="_lwp_suspend" number="313"/>
+  <syscall name="_lwp_continue" number="314"/>
+  <syscall name="_lwp_wakeup" number="315"/>
+  <syscall name="_lwp_getprivate" number="316"/>
+  <syscall name="_lwp_setprivate" number="317"/>
+  <syscall name="_lwp_kill" number="318"/>
+  <syscall name="_lwp_detach" number="319"/>
+  <syscall name="compat_50__lwp_park" number="320"/>
+  <syscall name="_lwp_unpark" number="321"/>
+  <syscall name="_lwp_unpark_all" number="322"/>
+  <syscall name="_lwp_setname" number="323"/>
+  <syscall name="_lwp_getname" number="324"/>
+  <syscall name="_lwp_ctl" number="325"/>
+  <syscall name="_lwp_gettid" number="326"/>
+  <syscall name="compat_60_sa_register" number="330"/>
+  <syscall name="compat_60_sa_stacks" number="331"/>
+  <syscall name="compat_60_sa_enable" number="332"/>
+  <syscall name="compat_60_sa_setconcurrency" number="333"/>
+  <syscall name="compat_60_sa_yield" number="334"/>
+  <syscall name="compat_60_sa_preempt" number="335"/>
+  <syscall name="sys_sa_unblockyield" number="336"/>
+  <syscall name="__sigaction_sigtramp" number="340"/>
+  <syscall name="sys_pmc_get_info" number="341"/>
+  <syscall name="sys_pmc_control" number="342"/>
+  <syscall name="rasctl" number="343"/>
+  <syscall name="kqueue" number="344"/>
+  <syscall name="compat_50_kevent" number="345"/>
+  <syscall name="_sched_setparam" number="346"/>
+  <syscall name="_sched_getparam" number="347"/>
+  <syscall name="_sched_setaffinity" number="348"/>
+  <syscall name="_sched_getaffinity" number="349"/>
+  <syscall name="sched_yield" number="350"/>
+  <syscall name="_sched_protect" number="351"/>
+  <syscall name="fsync_range" number="354"/>
+  <syscall name="uuidgen" number="355"/>
+  <syscall name="compat_90_getvfsstat" number="356"/>
+  <syscall name="compat_90_statvfs1" number="357"/>
+  <syscall name="compat_90_fstatvfs1" number="358"/>
+  <syscall name="compat_30_fhstatvfs1" number="359"/>
+  <syscall name="extattrctl" number="360"/>
+  <syscall name="extattr_set_file" number="361"/>
+  <syscall name="extattr_get_file" number="362"/>
+  <syscall name="extattr_delete_file" number="363"/>
+  <syscall name="extattr_set_fd" number="364"/>
+  <syscall name="extattr_get_fd" number="365"/>
+  <syscall name="extattr_delete_fd" number="366"/>
+  <syscall name="extattr_set_link" number="367"/>
+  <syscall name="extattr_get_link" number="368"/>
+  <syscall name="extattr_delete_link" number="369"/>
+  <syscall name="extattr_list_fd" number="370"/>
+  <syscall name="extattr_list_file" number="371"/>
+  <syscall name="extattr_list_link" number="372"/>
+  <syscall name="compat_50_pselect" number="373"/>
+  <syscall name="compat_50_pollts" number="374"/>
+  <syscall name="setxattr" number="375"/>
+  <syscall name="lsetxattr" number="376"/>
+  <syscall name="fsetxattr" number="377"/>
+  <syscall name="getxattr" number="378"/>
+  <syscall name="lgetxattr" number="379"/>
+  <syscall name="fgetxattr" number="380"/>
+  <syscall name="listxattr" number="381"/>
+  <syscall name="llistxattr" number="382"/>
+  <syscall name="flistxattr" number="383"/>
+  <syscall name="removexattr" number="384"/>
+  <syscall name="lremovexattr" number="385"/>
+  <syscall name="fremovexattr" number="386"/>
+  <syscall name="compat_50___stat30" number="387"/>
+  <syscall name="compat_50___fstat30" number="388"/>
+  <syscall name="compat_50___lstat30" number="389"/>
+  <syscall name="__getdents30" number="390"/>
+  <syscall name="compat_30___fhstat30" number="392"/>
+  <syscall name="compat_50___ntp_gettime30" number="393"/>
+  <syscall name="__socket30" number="394"/>
+  <syscall name="__getfh30" number="395"/>
+  <syscall name="__fhopen40" number="396"/>
+  <syscall name="compat_90_fhstatvfs1" number="397"/>
+  <syscall name="compat_50___fhstat40" number="398"/>
+  <syscall name="aio_cancel" number="399"/>
+  <syscall name="aio_error" number="400"/>
+  <syscall name="aio_fsync" number="401"/>
+  <syscall name="aio_read" number="402"/>
+  <syscall name="aio_return" number="403"/>
+  <syscall name="compat_50_aio_suspend" number="404"/>
+  <syscall name="aio_write" number="405"/>
+  <syscall name="lio_listio" number="406"/>
+  <syscall name="__mount50" number="410"/>
+  <syscall name="mremap" number="411"/>
+  <syscall name="pset_create" number="412"/>
+  <syscall name="pset_destroy" number="413"/>
+  <syscall name="pset_assign" number="414"/>
+  <syscall name="_pset_bind" number="415"/>
+  <syscall name="__posix_fadvise50" number="416"/>
+  <syscall name="__select50" number="417"/>
+  <syscall name="__gettimeofday50" number="418"/>
+  <syscall name="__settimeofday50" number="419"/>
+  <syscall name="__utimes50" number="420"/>
+  <syscall name="__adjtime50" number="421"/>
+  <syscall name="__lfs_segwait50" number="422"/>
+  <syscall name="__futimes50" number="423"/>
+  <syscall name="__lutimes50" number="424"/>
+  <syscall name="__setitimer50" number="425"/>
+  <syscall name="__getitimer50" number="426"/>
+  <syscall name="__clock_gettime50" number="427"/>
+  <syscall name="__clock_settime50" number="428"/>
+  <syscall name="__clock_getres50" number="429"/>
+  <syscall name="__nanosleep50" number="430"/>
+  <syscall name="____sigtimedwait50" number="431"/>
+  <syscall name="__mq_timedsend50" number="432"/>
+  <syscall name="__mq_timedreceive50" number="433"/>
+  <syscall name="compat_60__lwp_park" number="434"/>
+  <syscall name="__kevent50" number="435"/>
+  <syscall name="__pselect50" number="436"/>
+  <syscall name="__pollts50" number="437"/>
+  <syscall name="__aio_suspend50" number="438"/>
+  <syscall name="__stat50" number="439"/>
+  <syscall name="__fstat50" number="440"/>
+  <syscall name="__lstat50" number="441"/>
+  <syscall name="____semctl50" number="442"/>
+  <syscall name="__shmctl50" number="443"/>
+  <syscall name="__msgctl50" number="444"/>
+  <syscall name="__getrusage50" number="445"/>
+  <syscall name="__timer_settime50" number="446"/>
+  <syscall name="__timer_gettime50" number="447"/>
+  <syscall name="__ntp_gettime50" number="448"/>
+  <syscall name="__wait450" number="449"/>
+  <syscall name="__mknod50" number="450"/>
+  <syscall name="__fhstat50" number="451"/>
+  <syscall name="pipe2" number="453"/>
+  <syscall name="dup3" number="454"/>
+  <syscall name="kqueue1" number="455"/>
+  <syscall name="paccept" number="456"/>
+  <syscall name="linkat" number="457"/>
+  <syscall name="renameat" number="458"/>
+  <syscall name="mkfifoat" number="459"/>
+  <syscall name="mknodat" number="460"/>
+  <syscall name="mkdirat" number="461"/>
+  <syscall name="faccessat" number="462"/>
+  <syscall name="fchmodat" number="463"/>
+  <syscall name="fchownat" number="464"/>
+  <syscall name="fexecve" number="465"/>
+  <syscall name="fstatat" number="466"/>
+  <syscall name="utimensat" number="467"/>
+  <syscall name="openat" number="468"/>
+  <syscall name="readlinkat" number="469"/>
+  <syscall name="symlinkat" number="470"/>
+  <syscall name="unlinkat" number="471"/>
+  <syscall name="futimens" number="472"/>
+  <syscall name="__quotactl" number="473"/>
+  <syscall name="posix_spawn" number="474"/>
+  <syscall name="recvmmsg" number="475"/>
+  <syscall name="sendmmsg" number="476"/>
+  <syscall name="clock_nanosleep" number="477"/>
+  <syscall name="___lwp_park60" number="478"/>
+  <syscall name="posix_fallocate" number="479"/>
+  <syscall name="fdiscard" number="480"/>
+  <syscall name="wait6" number="481"/>
+  <syscall name="clock_getcpuclockid2" number="482"/>
+  <syscall name="__getvfsstat90" number="483"/>
+  <syscall name="__statvfs190" number="484"/>
+  <syscall name="__fstatvfs190" number="485"/>
+  <syscall name="__fhstatvfs190" number="486"/>
+</syscalls_info>
diff --git a/gdb/syscalls/update-netbsd.sh b/gdb/syscalls/update-netbsd.sh
new file mode 100755
index 00000000000..9ea7b57857b
--- /dev/null
+++ b/gdb/syscalls/update-netbsd.sh
@@ -0,0 +1,78 @@
+#! /bin/sh
+
+# Copyright (C) 2020 Free Software Foundation, Inc.
+#
+# This file is part of GDB.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Usage: update-netbsd.sh <path-to-syscall.h>
+# Update the netbsd.xml file.
+#
+# NetBSD uses the same list of system calls on all architectures.
+# The list is defined in the sys/kern/syscalls.master file in the
+# NetBSD source tree.  This file is used as an input to generate
+# several files that are also stored in NetBSD's source tree.  This
+# script parses one of those generated files (sys/sys/syscall.h)
+# rather than syscalls.master as syscall.h is easier to parse.
+
+if [ $# -ne 1 ]; then
+   echo "Error: Path to syscall.h missing. Aborting."
+   echo "Usage: update-gnulib.sh <path-to-syscall.h>"
+   exit 1
+fi
+
+cat > netbsd.xml.tmp <<EOF
+<?xml version="1.0"?> <!-- THIS FILE IS GENERATED -*- buffer-read-only: t -*-  -->
+<!-- vi:set ro: -->
+<!-- Copyright (C) 2020 Free Software Foundation, Inc.
+
+     Copying and distribution of this file, with or without modification,
+     are permitted in any medium without royalty provided the copyright
+     notice and this notice are preserved.  -->
+
+<!DOCTYPE feature SYSTEM "gdb-syscalls.dtd">
+
+<!-- This file was generated using the following file:
+
+     /usr/src/sys/sys/syscall.h
+
+     The file mentioned above belongs to the NetBSD Kernel.  -->
+
+<syscalls_info>
+EOF
+
+awk '
+/MAXSYSCALL/ || /_SYS_SYSCALL_H_/ || /MAXSYSARGS/ || /syscall/ || /NSYSENT/ {
+    next
+}
+/^#define/ {
+    sub(/^SYS_/,"",$2);
+    printf "  <syscall name=\"%s\" number=\"%s\"", $2, $3
+    if (sub(/^netbsd[0-9]*_/,"",$2) != 0)
+        printf " alias=\"%s\"", $2
+    printf "/>\n"
+}
+/\/\* [0-9]* is obsolete [a-z_]* \*\// {
+    printf "  <syscall name=\"%s\" number=\"%s\"/>\n", $5, $2
+}
+/\/\* [0-9]* is netbsd[0-9]* [a-z_]* \*\// {
+    printf "  <syscall name=\"%s_%s\" number=\"%s\" alias=\"%s\"/>\n", $4, $5, $2, $5
+}' "$1" >> netbsd.xml.tmp
+
+cat >> netbsd.xml.tmp <<EOF
+</syscalls_info>
+EOF
+
+../../move-if-change netbsd.xml.tmp netbsd.xml