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Index: head/sys/powerpc/aim/moea64_if.m
===================================================================
--- head/sys/powerpc/aim/moea64_if.m
+++ head/sys/powerpc/aim/moea64_if.m
@@ -43,6 +43,7 @@
*/
INTERFACE moea64;
+SINGLETON;
CODE {
static moea64_pte_replace_t moea64_pte_replace_default;
Index: head/sys/powerpc/powerpc/mmu_if.m
===================================================================
--- head/sys/powerpc/powerpc/mmu_if.m
+++ head/sys/powerpc/powerpc/mmu_if.m
@@ -46,6 +46,7 @@
*/
INTERFACE mmu;
+SINGLETON;
#
# Default implementations of some methods
Index: head/sys/tools/makeobjops.awk
===================================================================
--- head/sys/tools/makeobjops.awk
+++ head/sys/tools/makeobjops.awk
@@ -325,13 +325,18 @@
line_width, length(prototype)));
}
printh("{");
- printh("\tkobjop_t _m;");
+ if (singleton)
+ printh("\tstatic kobjop_t _m;");
+ else
+ printh("\tkobjop_t _m;");
if (ret != "void")
printh("\t" ret " rc;");
if (!static)
firstvar = "((kobj_t)" firstvar ")";
if (prolog != "")
printh(prolog);
+ if (singleton)
+ printh("\tif (_m == NULL)");
printh("\tKOBJOPLOOKUP(" firstvar "->ops," mname ");");
rceq = (ret != "void") ? "rc = " : "";
printh("\t" rceq "((" mname "_t *) _m)(" varname_list ");");
@@ -453,6 +458,7 @@
lastdoc = "";
prolog = "";
epilog = "";
+ singleton = 0;
while (!error && (getline < src) > 0) {
lineno++;
@@ -497,6 +503,8 @@
prolog = handle_code();
else if (/^EPILOG[ ]*{$/)
epilog = handle_code();
+ else if (/^SINGLETON/)
+ singleton = 1;
else {
debug($0);
warnsrc("Invalid line encountered");

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