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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.
This commit is contained in:
pooka 2015-09-15 14:55:12 +00:00
parent c656a96f13
commit 2972539674
1 changed files with 43 additions and 3 deletions
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46
sys/rump/include/rump/makerumpdefs.sh
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@ -8,7 +8,7 @@ echo Generating rumpdefs.h
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 @@ getstruct ../../../sys/dirent.h dirent
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 @@ if [ $? -ne 0 ]; then
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