[src/trunk]: src/sys/rump/include/rump Generate rump_errno2host(): translates...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7ef23ed75532
branches:  trunk
changeset: 810723:7ef23ed75532
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Sep 15 14:55:12 2015 +0000

description:
Generate rump_errno2host(): translates rump kernel errnos to host errnos.

Essentially, it's a partial I-know-what-I'm-doing syscall compat.

Functionality requested by Robert Millan.

diffstat:

 sys/rump/include/rump/makerumpdefs.sh |  46 ++++++++++++++++++++++++++++++++--
 1 files changed, 43 insertions(+), 3 deletions(-)

diffs (71 lines):

diff -r 24b5edc0604a -r 7ef23ed75532 sys/rump/include/rump/makerumpdefs.sh
--- a/sys/rump/include/rump/makerumpdefs.sh     Tue Sep 15 09:51:01 2015 +0000
+++ b/sys/rump/include/rump/makerumpdefs.sh     Tue Sep 15 14:55:12 2015 +0000
@@ -8,7 +8,7 @@
 rm -f rumpdefs.h
 exec 3>&1 > rumpdefs.h
 
-printf '/*     $NetBSD: makerumpdefs.sh,v 1.27 2015/09/10 16:21:32 pooka Exp $ */\n\n'
+printf '/*     $NetBSD: makerumpdefs.sh,v 1.28 2015/09/15 14:55:12 pooka Exp $ */\n\n'
 printf '/*\n *\tAUTOMATICALLY GENERATED.  DO NOT EDIT.\n */\n\n'
 printf '#ifndef _RUMP_RUMPDEFS_H_\n'
 printf '#define _RUMP_RUMPDEFS_H_\n\n'
@@ -126,11 +126,11 @@
 printf '\n#endif /* _RUMP_RUMPDEFS_H_ */\n'
 
 exec 1>&3
+
 echo Generating rumperr.h
 rm -f rumperr.h
 exec > rumperr.h
-
-printf '/*     $NetBSD: makerumpdefs.sh,v 1.27 2015/09/10 16:21:32 pooka Exp $ */\n\n'
+printf '/*     $NetBSD: makerumpdefs.sh,v 1.28 2015/09/15 14:55:12 pooka Exp $ */\n\n'
 printf '/*\n *\tAUTOMATICALLY GENERATED.  DO NOT EDIT.\n */\n'
 
 fromvers ../../../sys/errno.h
@@ -168,4 +168,44 @@
        exit 1
 fi
 
+echo Generating rumperrno2host.h 1>&3
+rm -f rumperrno2host.h
+exec > rumperrno2host.h
+printf '/*     $NetBSD: makerumpdefs.sh,v 1.28 2015/09/15 14:55:12 pooka Exp $ */\n\n'
+printf '/*\n *\tAUTOMATICALLY GENERATED.  DO NOT EDIT.\n */\n'
+
+fromvers ../../../sys/errno.h
+
+printf "\n#ifndef ERANGE\n#error include ISO C style errno.h first\n#endif\n"
+printf "\nstatic inline int \nrump_errno2host(int rumperrno)\n{\n\n"
+printf "\tswitch (rumperrno) {\n\tcase 0:\n"
+printf "\t\t return 0;\n"
+awk '/^#define[        ]*E.*[0-9]/{
+       ename = $2
+       evalue = $3
+       error = 1
+       if (ename == "ELAST") {
+               printf "\tdefault:\n"
+               printf "#ifdef EINVAL\n\t\treturn EINVAL;\n"
+               printf "#else\n\t\treturn ERANGE;\n#endif\n"
+               printf "\t}\n}\n"
+               error = 0
+               exit 0
+       }
+       if (preverror + 1 != evalue)
+               exit 1
+       preverror = evalue
+       printf "#ifdef %s\n", ename
+       printf "\tcase %d:\n\t\treturn %s;\n", evalue, ename
+       printf "#endif\n"
+}
+END {
+       exit error
+}' < ../../../sys/errno.h
+if [ $? -ne 0 ]; then
+       echo 'Parsing errno.h failed!' 1>&3
+       rm -f rumpdefs.h rumperr.h rumperrno2host.h
+       exit 1
+fi
+
 exit 0