Add support for kvm.h in RTEMS terms

The implementation uses an array of strings and variable names. The
names are weak symbolic references to the items we have seen calls
to kvm services with.

1 files changed, 108 insertions, 0 deletions

diff --git a/freebsd-userspace/rtems/generate_kvm_symbols b/freebsd-userspace/rtems/generate_kvm_symbols
new file mode 100755
index 00000000..b26259c7
--- /dev/null
+++ b/freebsd-userspace/rtems/generate_kvm_symbols
@@ -0,0 +1,108 @@
+#! /bin/sh
+#
+# This file generates the symbol table for the kvm subsystem. The
+# table is limited to the ones we believe are needed.
+
+symbols=""
+while read sym
+do
+  symbols="${symbols} ${sym}"
+done <<EOF
+_ifnet
+_rtstat
+_rt_tables
+_mrtstat
+_mfchashtbl
+_viftable
+_ipxpcb_list
+_ipxstat
+_spx_istat
+_ddpstat
+_ddpcb
+_ngsocklist
+_ip6stat
+_icmp6stat
+_ipsec4stat
+_ipsec6stat
+_pim6stat
+_mrt6stat
+_mf6ctable
+_mif6table
+_pfkeystat
+_mbstat
+_mbtypes
+_nmbclusters
+_nmbufs
+_mbuf_hiwm
+_clust_hiwm
+_smp_cpus
+_pagesize
+_mb_statpcpu
+_rttrash
+_mbuf_lowm
+_clust_lowm
+_carpstats
+_pfsyncstats
+_ahstat
+_espstat
+_ipcompstat
+_tcpstat
+_udpstat
+_ipstat
+_icmpstat
+_igmpstat
+_pimstat
+_tcbinfo
+_udbinfo
+_divcbinfo
+_ripcbinfo
+_unp_count
+_unp_gencnt
+_unp_dhead
+_unp_shead
+_rip6stat
+_sctpstat
+_mfctablesize
+_arpstat
+EOF
+
+cat <<EOF
+/**** THIS FILE IS GENERATED BY A SCRIPT ****/
+
+/*
+ * This file contains the known list of symbols for the kvm subsystem.
+ */
+
+#include "kvm_private.h"
+#include "stdio.h"
+
+/*
+ *  The following is the known list of symbols that may be passed
+ *  to the kvm family of calls.
+ */
+
+EOF
+for sym in ${symbols}
+do
+  no_underscore=`echo $sym | sed -e 's/^_//' `
+  echo "extern int ${no_underscore} __attribute((weak));"
+done
+
+cat <<EOF
+/*
+ *  The following is the known list of symbols that may be passed
+ *  to the kvm family of calls.
+ */
+
+kvm_symval_t rtems_kvm_symbols[] = {
+EOF
+for sym in ${symbols}
+do
+  no_underscore=`echo $sym | sed -e 's/^_//' `
+  echo "  { \"${sym}\", &${no_underscore} },"
+done
+
+cat <<EOF
+  { "", NULL }
+};
+EOF