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If RUMP_KERNEL_IS_LIBC is defined, alias the rump kernel syscalls to libc 

syscall stub symbol names.  This allows running standalone programs in
OS-less environments such as directly on a Xen DomU backed only by a
libc and a rump kernel.
This commit is contained in:
pooka 2013-09-03 21:28:24 +00:00
parent 6d43f1658d
commit d04c1489fc
1 changed files with 10 additions and 1 deletions
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11
sys/kern/makesyscalls.sh
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@ -1,4 +1,4 @@
# $NetBSD: makesyscalls.sh,v 1.131 2013/09/03 20:54:03 pooka Exp $
# $NetBSD: makesyscalls.sh,v 1.132 2013/09/03 21:28:24 pooka Exp $
#
# Copyright (c) 1994, 1996, 2000 Christopher G. Demetriou
# All rights reserved.
@ -256,6 +256,12 @@ NR == 1 {
printf "\t__weak_alias(nam,rump_enosys);\n" > rumpcalls
printf "#endif\n\n" > rumpcalls
printf "#ifdef RUMP_KERNEL_IS_LIBC\n" > rumpcalls
printf "#define rsys_aliases(what,where) \\\n" > rumpcalls
printf "\t__strong_alias(what,where); \\\n" > rumpcalls
printf "\t__strong_alias(_##what,where);\n" > rumpcalls
printf "#else\n#define rsys_aliases(a,b)\n#endif\n\n" > rumpcalls
printf "#if\tBYTE_ORDER == BIG_ENDIAN\n" > rumpcalls
printf "#define SPARG(p,k)\t((p)->k.be.datum)\n" > rumpcalls
printf "#else /* LITTLE_ENDIAN, I hope dearly */\n" > rumpcalls
@ -869,6 +875,8 @@ function putent(type, compatwrap) {
printf("}\n") > rumpcalls
printf("rsys_define(rumpns_%s%s);\n", \
compatwrap_, funcname) > rumpcalls
printf("rsys_aliases(%s%s,rump___sysimpl_%s);\n", \
compatwrap_, funcalias, rumpfname) > rumpcalls
}
$2 == "STD" || $2 == "NODEF" || $2 == "NOARGS" || $2 == "INDIR" \
@ -940,6 +948,7 @@ END {
printf("\t\tfd[1] = retval[1];\n\t}\n") > rumpcalls
printf("\treturn error ? -1 : 0;\n}\n") > rumpcalls
printf("rsys_define(rumpns_sys_pipe);\n") > rumpcalls
printf "rsys_aliases(pipe,rump_sys_pipe);\n" > rumpcalls
}
# print default rump syscall interfaces