Update kdump(1) to print more human readable information.
authorMatthias Schmidt <matthias@dragonflybsd.org>
Tue, 1 Jan 2008 14:09:02 +0000 (14:09 +0000)
committerMatthias Schmidt <matthias@dragonflybsd.org>
Tue, 1 Jan 2008 14:09:02 +0000 (14:09 +0000)
This shows the difference between the old output and the new one:

-73540 telnet   CALL  mmap(0,0xb80,0x3,0x1000,0xffffffff,0,0,0)
+73540 telnet   CALL  mmap(0,0xb80,PROT_READ|PROT_WRITE,MAP_ANON,0xffffffff,0,0,0)
-73540 telnet   CALL  sigprocmask(0x1,0x2806f97c,0xbfbff2c8)
+73540 telnet   CALL  sigprocmask(SIG_BLOCK,0x2806f97c,0xbfbff2c8)
-73540 telnet   CALL  socket(0x1c,0x1,0x6)
+73540 telnet   CALL  socket(PF_INET6,SOCK_STREAM,0x6)

Obtained-from: FreeBSD

usr.bin/kdump/Makefile
usr.bin/kdump/kdump.c
usr.bin/kdump/kdump_subr.h [new file with mode: 0644]
usr.bin/kdump/mksubr [new file with mode: 0644]

index f93c1be..42e674e 100644 (file)
@@ -1,17 +1,20 @@
 #      @(#)Makefile    8.1 (Berkeley) 6/6/93
-# $FreeBSD: src/usr.bin/kdump/Makefile,v 1.4.2.2 2002/07/23 09:16:07 ru Exp $
-# $DragonFly: src/usr.bin/kdump/Makefile,v 1.6 2007/08/27 16:50:54 pavalos Exp $
+# $FreeBSD: src/usr.bin/kdump/Makefile,v 1.12 2006/05/20 14:27:22 netchild Exp $
+# $DragonFly: src/usr.bin/kdump/Makefile,v 1.7 2008/01/01 14:09:02 matthias Exp $
 
 .PATH: ${.CURDIR}/../ktrace
 
 PROG=          kdump
-SRCS=          kdump.c ioctl.c subr.c
-CFLAGS+=       -I${.CURDIR}/../ktrace -I${.CURDIR}/../.. -I${.CURDIR}/../../sys
+SRCS=          kdump.c ioctl.c kdump_subr.c subr.c
+CFLAGS+=       -I${.CURDIR}/../ktrace -I${.CURDIR} -I${.CURDIR}/../.. -I${.CURDIR}/../../sys
 WARNS?=        0
 
-CLEANFILES=    ioctl.c
+CLEANFILES=    ioctl.c kdump_subr.c
 
 ioctl.c: mkioctls
        sh ${.CURDIR}/mkioctls ${DESTDIR}/usr/include > ${.TARGET}
 
+kdump_subr.c: mksubr
+       sh ${.CURDIR}/mksubr ${DESTDIR}/usr/include > ${.TARGET}
+
 .include <bsd.prog.mk>
index dc11ec3..1e055f0 100644 (file)
@@ -32,8 +32,8 @@
  *
  * @(#) Copyright (c) 1988, 1993 The Regents of the University of California.  All rights reserved.
  * @(#)kdump.c 8.1 (Berkeley) 6/6/93
- * $FreeBSD: src/usr.bin/kdump/kdump.c,v 1.17 1999/12/29 05:05:33 peter Exp $
- * $DragonFly: src/usr.bin/kdump/kdump.c,v 1.8 2007/05/07 15:43:31 dillon Exp $
+ * $FreeBSD: src/usr.bin/kdump/kdump.c,v 1.29 2006/05/20 14:27:22 netchild Exp $
+ * $DragonFly: src/usr.bin/kdump/kdump.c,v 1.9 2008/01/01 14:09:02 matthias Exp $
  */
 
 #define _KERNEL_STRUCTURES
@@ -54,6 +54,7 @@
 #include <unistd.h>
 #include <vis.h>
 #include "ktrace.h"
+#include "kdump_subr.h"
 
 int timestamp, decimal, fancy = 1, tail, maxdata = 64;
 int fixedformat;
@@ -257,14 +258,20 @@ ktrsyscall(register struct ktr_syscall *ktr)
        if (narg) {
                char c = '(';
                if (fancy) {
+
+#define print_number(i,n,c) do {                      \
+       if (decimal)                                  \
+               (void)printf("%c%ld", c, (long)*i);   \
+       else                                          \
+               (void)printf("%c%#lx", c, (long)*i);  \
+       i++;                                          \
+       n--;                                          \
+       c = ',';                                      \
+       } while (0);
+
                        if (ktr->ktr_code == SYS_ioctl) {
                                char *cp;
-                               if (decimal)
-                                       (void)printf("(%ld", (long)*ip);
-                               else
-                                       (void)printf("(%#lx", (long)*ip);
-                               ip++;
-                               narg--;
+                               print_number(ip,narg,c);
                                if ((cp = ioctlname(*ip)) != NULL)
                                        (void)printf(",%s", cp);
                                else {
@@ -276,6 +283,336 @@ ktrsyscall(register struct ktr_syscall *ktr)
                                c = ',';
                                ip++;
                                narg--;
+                       } else if (ktr->ktr_code == SYS_access) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               accessmodename ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_open) {
+                               int     flags;
+                               int     mode;
+                               print_number(ip,narg,c);
+                               flags = *ip;
+                               mode = *++ip;
+                               (void)putchar(',');
+                               flagsandmodename (flags, mode, decimal);
+                               ip++;
+                               narg-=2;
+                       } else if (ktr->ktr_code == SYS_wait4) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               wait4optname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_chmod ||
+                                  ktr->ktr_code == SYS_fchmod ||
+                                  ktr->ktr_code == SYS_lchmod) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               modename ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_mknod) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               modename ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_getfsstat) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               getfsstatflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_mount) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               mountflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_unmount) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               mountflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_recvmsg ||
+                                  ktr->ktr_code == SYS_sendmsg) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               sendrecvflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_recvfrom ||
+                                  ktr->ktr_code == SYS_sendto) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               sendrecvflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_chflags ||
+                                  ktr->ktr_code == SYS_fchflags) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               modename((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_kill) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               signame((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_reboot) {
+                               (void)putchar('(');
+                               rebootoptname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_umask) {
+                               (void)putchar('(');
+                               modename((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_msync) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               msyncflagsname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_mmap) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               mmapprotname ((int)*ip);
+                               (void)putchar(',');
+                               ip++;
+                               narg--;
+                               mmapflagsname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_mprotect) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               mmapprotname ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_madvise) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               madvisebehavname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_setpriority) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               prioname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_fcntl) {
+                               int cmd;
+                               int arg;
+                               print_number(ip,narg,c);
+                               cmd = *ip;
+                               arg = *++ip;
+                               (void)putchar(',');
+                               fcntlcmdname(cmd, arg, decimal);
+                               ip++;
+                               narg-=2;
+                       } else if (ktr->ktr_code == SYS_socket) {
+                               (void)putchar('(');
+                               sockdomainname((int)*ip);
+                               ip++;
+                               narg--;
+                               (void)putchar(',');
+                               socktypename((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_setsockopt ||
+                                  ktr->ktr_code == SYS_getsockopt) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               sockoptlevelname((int)*ip, decimal);
+                               ip++;
+                               narg--;
+                               (void)putchar(',');
+                               sockoptname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_lseek) {
+                               print_number(ip,narg,c);
+                               /* Hidden 'pad' argument, not in lseek(2) */
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               whencename ((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_flock) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               flockname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_mkfifo ||
+                                  ktr->ktr_code == SYS_mkdir) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               modename((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_shutdown) {
+                               print_number(ip,narg,c);
+                               (void)putchar(',');
+                               shutdownhowname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_socketpair) {
+                               (void)putchar('(');
+                               sockdomainname((int)*ip);
+                               ip++;
+                               narg--;
+                               (void)putchar(',');
+                               socktypename((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_getrlimit ||
+                                  ktr->ktr_code == SYS_setrlimit) {
+                               (void)putchar('(');
+                               rlimitname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_quotactl) {
+                               print_number(ip,narg,c);
+                               quotactlname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_rtprio) {
+                               (void)putchar('(');
+                               rtprioname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS___semctl) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               semctlname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_semget) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               semgetname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_msgctl) {
+                               print_number(ip,narg,c);
+                               shmctlname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_shmat) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               shmatname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_shmctl) {
+                               print_number(ip,narg,c);
+                               shmctlname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_minherit) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               minheritname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_rfork) {
+                               (void)putchar('(');
+                               rforkname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_lio_listio) {
+                               (void)putchar('(');
+                               lio_listioname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_mlockall) {
+                               (void)putchar('(');
+                               mlockallname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_sched_setscheduler) {
+                               print_number(ip,narg,c);
+                               schedpolicyname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_sched_get_priority_max ||
+                                  ktr->ktr_code == SYS_sched_get_priority_min) {
+                               (void)putchar('(');
+                               schedpolicyname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_sendfile) {
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               print_number(ip,narg,c);
+                               sendfileflagsname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_kldsym) {
+                               print_number(ip,narg,c);
+                               kldsymcmdname((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_sigprocmask) {
+                               (void)putchar('(');
+                               sigprocmaskhowname((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS___acl_get_file ||
+                                  ktr->ktr_code == SYS___acl_set_file ||
+                                  ktr->ktr_code == SYS___acl_get_fd ||
+                                  ktr->ktr_code == SYS___acl_set_fd ||
+                                  ktr->ktr_code == SYS___acl_delete_file ||
+                                  ktr->ktr_code == SYS___acl_delete_fd ||
+                                  ktr->ktr_code == SYS___acl_aclcheck_file ||
+                                  ktr->ktr_code == SYS___acl_aclcheck_fd) {
+                               print_number(ip,narg,c);
+                               acltypename((int)*ip);
+                               ip++;
+                               narg--;
+                       } else if (ktr->ktr_code == SYS_sigaction) {
+                               (void)putchar('(');
+                               signame((int)*ip);
+                               ip++;
+                               narg--;
+                               c = ',';
+                       } else if (ktr->ktr_code == SYS_extattrctl) {
+                               print_number(ip,narg,c);
+                               extattrctlname((int)*ip);
+                               ip++;
+                               narg--;
                        } else if (ktr->ktr_code == SYS_ptrace) {
                                if (*ip < sizeof(ptrace_ops) /
                                    sizeof(ptrace_ops[0]) && *ip >= 0)
@@ -312,13 +649,7 @@ ktrsyscall(register struct ktr_syscall *ktr)
                        }
                }
                while (narg) {
-                       if (decimal)
-                               (void)printf("%c%ld", c, (long)*ip);
-                       else
-                               (void)printf("%c%#lx", c, (long)*ip);
-                       c = ',';
-                       ip++;
-                       narg--;
+                       print_number(ip,narg,c);
                }
                (void)putchar(')');
        }
diff --git a/usr.bin/kdump/kdump_subr.h b/usr.bin/kdump/kdump_subr.h
new file mode 100644 (file)
index 0000000..304e7d5
--- /dev/null
@@ -0,0 +1,49 @@
+/* $FreeBSD: src/usr.bin/kdump/kdump_subr.h,v 1.3 2007/04/09 22:04:27 emaste Exp $ */
+/* $DragonFly: src/usr.bin/kdump/kdump_subr.h,v 1.1 2008/01/01 14:09:02 matthias Exp $ */
+
+void signame (int);
+void semctlname (int);
+void shmctlname (int);
+void semgetname (int);
+void fcntlcmdname (int, int, int);
+void rtprioname (int);
+void modename (int);
+void flagsname (int);
+void flagsandmodename (int, int, int);
+void accessmodename (int);
+void mmapprotname (int);
+void mmapflagsname (int);
+void wait4optname (int);
+void sendrecvflagsname (int);
+void getfsstatflagsname (int);
+void mountflagsname (int);
+void rebootoptname (int);
+void flockname (int);
+void sockoptname (int);
+void sockoptlevelname (int, int);
+void sockdomainname (int);
+void sockipprotoname (int);
+void socktypename (int);
+void thrcreateflagsname (int);
+void mlockallname (int);
+void shmatname (int);
+void rforkname (int);
+void nfssvcname (int);
+void whencename (int);
+void rlimitname (int);
+void shutdownhowname (int);
+void prioname (int);
+void madvisebehavname (int);
+void msyncflagsname (int);
+void schedpolicyname (int);
+void kldunloadfflagsname (int);
+void ksethrcmdname (int);
+void extattrctlname (int);
+void kldsymcmdname (int);
+void sendfileflagsname (int);
+void acltypename (int);
+void sigprocmaskhowname (int);
+void lio_listioname (int);
+void minheritname (int);
+void quotactlname (int);
+void ptraceopname (int);
diff --git a/usr.bin/kdump/mksubr b/usr.bin/kdump/mksubr
new file mode 100644 (file)
index 0000000..939f1d4
--- /dev/null
@@ -0,0 +1,437 @@
+set -e
+
+# Generates kdump_subr.c
+# mkioctls is a special-purpose script, and works fine as it is
+# now, so it remains independent. The idea behind how it generates
+# its list was heavily borrowed here.
+#
+# Some functions here are automatically generated. This can mean
+# the user will see unusual kdump output or errors while building
+# if the underlying .h files are changed significantly.
+#
+# Key:
+# AUTO: Completely auto-generated with either the "or" or the "switch"
+# method.
+# AUTO - Special: Generated automatically, but with some extra commands
+# that the auto_*_type() functions are inappropriate for.
+# MANUAL: Manually entered and must therefore be manually updated.
+
+# $FreeBSD: src/usr.bin/kdump/mksubr,v 1.9 2007/04/09 19:16:24 emaste Exp $
+# $DragonFly: src/usr.bin/kdump/mksubr,v 1.1 2008/01/01 14:09:02 matthias Exp $
+
+LC_ALL=C; export LC_ALL
+
+if [ -z "$1" ]
+then
+       echo "usage: sh $0 include-dir"
+       exit 1
+fi
+include_dir=$1
+
+#
+# Automatically generates a C function that will print out the
+# numeric input as a pipe-delimited string of the appropriate
+# #define keys. ex:
+# S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH
+# The XOR is necessary to prevent including the "0"-value in every
+# line.
+#
+auto_or_type () {
+       local name grep file
+       name=$1
+       grep=$2
+       file=$3
+
+       cat <<_EOF_
+/* AUTO */
+void
+$name (int arg)
+{
+       int     or = 0;
+_EOF_
+       egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
+               $include_dir/$file | \
+       awk '{ for (i = 1; i <= NF; i++) \
+               if ($i ~ /define/) \
+                       break; \
+               ++i; \
+               printf "\tif(!((arg>0)^((%s)>0)))\n\t\tif_print_or(arg, %s, or);\n", $i, $i }'
+cat <<_EOF_
+       if (or == 0)
+               (void)printf("<invalid>%ld", (long)arg);
+}
+
+_EOF_
+}
+
+#
+# Automatically generates a C function used when the argument
+# maps to a single, specific #definition
+#
+auto_switch_type () {
+       local name grep file
+       name=$1
+       grep=$2
+       file=$3
+
+       cat <<_EOF_
+/* AUTO */
+void
+$name (int arg)
+{
+       switch (arg) {
+_EOF_
+       egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
+               $include_dir/$file | \
+       awk '{ for (i = 1; i <= NF; i++) \
+               if ($i ~ /define/) \
+                       break; \
+               ++i; \
+               printf "\tcase %s:\n\t\t(void)printf(\"%s\");\n\t\tbreak;\n", $i, $i }'
+cat <<_EOF_
+       default: /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)arg);
+       }
+}
+
+_EOF_
+}
+
+#
+# Automatically generates a C function used when the argument
+# maps to a #definition
+#
+auto_if_type () {
+       local name grep file
+       name=$1
+       grep=$2
+       file=$3
+
+       cat <<_EOF_
+/* AUTO */
+void
+$name (int arg)
+{
+_EOF_
+       egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
+               $include_dir/$file | \
+       awk '{ printf "\t"; \
+               if (NR > 1) \
+                       printf "else " ; \
+               printf "if (arg == %s) \n\t\tprintf(\"%s\");\n", $2, $2 }'
+cat <<_EOF_
+       else /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)arg);
+}
+
+_EOF_
+}
+
+# C start
+
+cat <<_EOF_
+#define _KERNEL_STRUCTURES
+
+#include <stdio.h>
+#include <sys/fcntl.h>
+#include <sys/stat.h>
+#include <sys/unistd.h>
+#include <sys/mman.h>
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/ptrace.h>
+#include <sys/resource.h>
+#include <sys/reboot.h>
+#include <sched.h>
+#include <sys/linker.h>
+#include <sys/extattr.h>
+#include <sys/acl.h>
+#include <aio.h>
+#include <sys/sem.h>
+#include <sys/ipc.h>
+#include <sys/rtprio.h>
+#include <sys/shm.h>
+#include <vfs/ufs/quota.h>
+
+#include "kdump_subr.h"
+
+/*
+ * These are simple support macros. print_or utilizes a variable
+ * defined in the calling function to track whether or not it should
+ * print a logical-OR character ('|') before a string. if_print_or
+ * simply handles the necessary "if" statement used in many lines
+ * of this file.
+ */
+#define print_or(str,orflag) do {                  \\
+       if (orflag) putchar('|'); else orflag = 1; \\
+       printf (str); }                            \\
+       while (0)
+#define if_print_or(i,flag,orflag) do {            \\
+       if ((i & flag) == flag)                    \\
+       print_or(#flag,orflag); }                  \\
+       while (0)
+
+/* MANUAL */
+extern char *signames[]; /* from kdump.c */
+void
+signame (int sig)
+{
+       if (sig > 0 && sig < NSIG)
+               (void)printf("SIG%s",signames[sig]);
+       else
+               (void)printf("SIG %d", sig);
+}
+
+/* MANUAL */
+void
+semctlname (int cmd)
+{
+       switch (cmd) {
+       case GETNCNT:
+               (void)printf("GETNCNT");
+               break;
+       case GETPID:
+               (void)printf("GETPID");
+               break;
+       case GETVAL:
+               (void)printf("GETVAL");
+               break;
+       case GETALL:
+               (void)printf("GETALL");
+               break;
+       case GETZCNT:
+               (void)printf("GETZCNT");
+               break;
+       case SETVAL:
+               (void)printf("SETVAL");
+               break;
+       case SETALL:
+               (void)printf("SETALL");
+               break;
+       case IPC_RMID:
+               (void)printf("IPC_RMID");
+               break;
+       case IPC_SET:
+               (void)printf("IPC_SET");
+               break;
+       case IPC_STAT:
+               (void)printf("IPC_STAT");
+               break;
+       default: /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)cmd);
+       }
+}
+
+/* MANUAL */
+void
+shmctlname (int cmd) {
+       switch (cmd) {
+       case IPC_RMID:
+               (void)printf("IPC_RMID");
+               break;
+       case IPC_SET:
+               (void)printf("IPC_SET");
+               break;
+       case IPC_STAT:
+               (void)printf("IPC_STAT");
+               break;
+       default: /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)cmd);
+       }
+}
+
+/* MANUAL */
+void
+semgetname (int flag) {
+       int     or = 0;
+       if_print_or(flag, SEM_R, or);
+       if_print_or(flag, SEM_A, or);
+       if_print_or(flag, (SEM_R>>3), or);
+       if_print_or(flag, (SEM_A>>3), or);
+       if_print_or(flag, (SEM_R>>6), or);
+       if_print_or(flag, (SEM_A>>6), or);
+}
+
+/*
+ * MANUAL
+ *
+ * Only used by SYS_open. Unless O_CREAT is set in flags, the
+ * mode argument is unused (and often bogus and misleading).
+ */
+void
+flagsandmodename (int flags, int mode, int decimal) {
+       flagsname (flags);
+       (void)putchar(',');
+       if ((flags & O_CREAT) == O_CREAT) {
+               modename (mode);
+       } else {
+               if (decimal) {
+                       (void)printf("<unused>%ld", (long)mode);
+               } else {
+                       (void)printf("<unused>%#lx", (long)mode);
+               }
+       }
+}
+
+/*
+ * MANUAL
+ *
+ * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
+ * referring to a line in /etc/protocols . It might be appropriate
+ * to use getprotoent(3) here.
+ */
+void
+sockoptlevelname (int level, int decimal)
+{
+       if (level == SOL_SOCKET) {
+               (void)printf("SOL_SOCKET");
+       } else {
+               if (decimal) {
+                       (void)printf("%ld", (long)level);
+               } else {
+                       (void)printf("%#lx", (long)level);
+               }
+       }
+}
+
+_EOF_
+
+auto_or_type "modename" "S_[A-Z]+[[:space:]]+[0-6]{7}" "sys/stat.h"
+auto_or_type "flagsname" "O_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/fcntl.h"
+auto_or_type "accessmodename" "[A-Z]_OK[[:space:]]+0?x?[0-9A-Fa-f]+" "sys/unistd.h"
+auto_or_type "mmapprotname" "PROT_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
+auto_or_type "mmapflagsname" "MAP_[A-Z]+[[:space:]]+0x[0-9A-Fa-f]+" "sys/mman.h"
+auto_or_type "wait4optname" "W[A-Z]+[[:space:]]+[0-9]+" "sys/wait.h"
+auto_or_type "getfsstatflagsname" "MNT_[A-Z]+[[:space:]]+[1-9][0-9]*" "sys/mount.h"
+auto_or_type "mountflagsname" "MNT_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mount.h"
+auto_or_type "rebootoptname" "RB_[A-Z]+[[:space:]]+0x[0-9]+" "sys/reboot.h"
+auto_or_type "flockname" "LOCK_[A-Z]+[[:space:]]+0x[0-9]+" "sys/fcntl.h"
+auto_or_type "mlockallname" "MCL_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
+auto_or_type "shmatname" "SHM_[A-Z]+[[:space:]]+[0-9]{6}+" "sys/shm.h"
+auto_or_type "rforkname" "RF[A-Z]+[[:space:]]+\([0-9]+<<[0-9]+\)" "sys/unistd.h"
+
+auto_switch_type "whencename" "SEEK_[A-Z]+[[:space:]]+[0-9]+" "sys/unistd.h"
+auto_switch_type "rlimitname" "RLIMIT_[A-Z]+[[:space:]]+[0-9]+" "sys/resource.h"
+auto_switch_type "shutdownhowname" "SHUT_[A-Z]+[[:space:]]+0x[0-9]+" "sys/socket.h"
+auto_switch_type "prioname" "PRIO_[A-Z]+[[:space:]]+[0-9]" "sys/resource.h"
+auto_switch_type "madvisebehavname" "_?MADV_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
+auto_switch_type "msyncflagsname" "MS_[A-Z]+[[:space:]]+0x[0-9]+" "sys/mman.h"
+auto_switch_type "schedpolicyname" "SCHED_[A-Z]+[[:space:]]+[0-9]+" "sched.h"
+auto_switch_type "kldunloadfflagsname" "LINKER_UNLOAD_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
+auto_switch_type "extattrctlname" "EXTATTR_NAMESPACE_[A-Z]+[[:space:]]+0x[0-9]+" "sys/extattr.h"
+auto_switch_type "kldsymcmdname" "KLDSYM_[A-Z]+[[:space:]]+[0-9]+" "sys/linker.h"
+auto_switch_type "sendfileflagsname" "SF_[A-Z]+[[:space:]]+[0-9]+" "sys/socket.h"
+auto_switch_type "acltypename" "ACL_TYPE_[A-Z]+[[:space:]]+0x[0-9]+" "sys/acl.h"
+auto_switch_type "sigprocmaskhowname" "SIG_[A-Z]+[[:space:]]+[0-9]+" "sys/signal.h"
+auto_switch_type "lio_listioname" "LIO_(NO)?WAIT[[:space:]]+[0-9]+" "aio.h"
+auto_switch_type "minheritname" "INHERIT_[A-Z]+[[:space:]]+[0-9]+" "sys/mman.h"
+auto_switch_type "quotactlname" "Q_[A-Z]+[[:space:]]+0x[0-9]+" "ufs/ufs/quota.h"
+auto_if_type "sockdomainname" "PF_[[:alnum:]]+[[:space:]]+" "sys/socket.h"
+auto_if_type "sockipprotoname" "IPPROTO_[[:alnum:]]+[[:space:]]+" "netinet/in.h"
+auto_switch_type "sockoptname" "SO_[A-Z]+[[:space:]]+0x[0-9]+" "sys/socket.h"
+auto_switch_type "socktypename" "SOCK_[A-Z]+[[:space:]]+[1-9]+[0-9]*" "sys/socket.h"
+auto_switch_type "ptraceopname" "PT_[[:alnum:]]+[[:space:]]+[0-9]+" "sys/ptrace.h"
+
+cat <<_EOF_
+/*
+ * AUTO - Special
+ * F_ is used to specify fcntl commands as well as arguments. Both sets are
+ * grouped in fcntl.h, and this awk script grabs the first group.
+ */
+void
+fcntlcmdname (int cmd, int arg, int decimal)
+{
+       switch (cmd) {
+_EOF_
+egrep "^#[[:space:]]*define[[:space:]]+F_[A-Z]+[[:space:]]+[0-9]+[[:space:]]*" \
+       $include_dir/sys/fcntl.h | \
+       awk 'BEGIN { o=0 } { for (i = 1; i <= NF; i++) \
+               if ($i ~ /define/) \
+                       break; \
+               ++i; \
+               if (o <= $(i+1)) \
+                       printf "\tcase %s:\n\t\t(void)printf(\"%s\");\n\t\tbreak;\n", $i, $i; \
+               else \
+                       exit; \
+               o = $(i+1) }'
+cat <<_EOF_
+       default: /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)cmd);
+       }
+       (void)putchar(',');
+       if (cmd == F_GETFD || cmd == F_SETFD) {
+               if (arg == FD_CLOEXEC)
+                       (void)printf("FD_CLOEXEC");
+               else if (arg == 0)
+                       (void)printf("0");
+               else {
+                       if (decimal)
+                               (void)printf("<invalid>%ld", (long)arg);
+                       else
+                               (void)printf("<invalid>%#lx", (long)arg);
+               }
+       } else if (cmd == F_SETFL) {
+               flagsname(arg);
+       } else {
+               if (decimal)
+                       (void)printf("%ld", (long)arg);
+               else
+                       (void)printf("%#lx", (long)arg);
+       }
+}
+
+/*
+ * AUTO - Special
+ *
+ * The only reason this is not fully automated is due to the
+ * grep -v RTP_PRIO statement. A better egrep line should
+ * make this capable of being a auto_switch_type() function.
+ */
+void
+rtprioname (int func)
+{
+       switch (func) {
+_EOF_
+egrep "^#[[:space:]]*define[[:space:]]+RTP_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]*" \
+       $include_dir/sys/rtprio.h | grep -v RTP_PRIO | \
+       awk '{ for (i = 1; i <= NF; i++) \
+               if ($i ~ /define/) \
+                       break; \
+               ++i; \
+               printf "\tcase %s:\n\t\t(void)printf(\"%s\");\n\t\tbreak;\n", $i, $i }'
+cat <<_EOF_
+       default: /* Should not reach */
+               (void)printf("<invalid=%ld>", (long)func);
+       }
+}
+
+/*
+ * AUTO - Special
+ *
+ * The send and recv functions have a flags argument which can be
+ * set to 0. There is no corresponding #define. The auto_ functions
+ * detect this as "invalid", which is incorrect here.
+ */
+void
+sendrecvflagsname (int flags)
+{
+       int     or = 0;
+       
+       if (flags == 0) {
+               (void)printf("0");
+               return;
+       }
+_EOF_
+egrep "^#[[:space:]]*define[[:space:]]+MSG_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]*" $include_dir/sys/socket.h | \
+       awk '{ for (i = 1; i <= NF; i++) \
+               if ($i ~ /define/) \
+                       break; \
+               ++i; \
+               printf "\tif(!((flags>0)^((%s)>0)))\n\t\tif_print_or(flags, %s, or);\n", $i, $i }'
+cat <<_EOF_
+}
+
+_EOF_