Index: sys/arm64/arm64/machdep.c
===================================================================
--- sys/arm64/arm64/machdep.c
+++ sys/arm64/arm64/machdep.c
@@ -489,36 +489,35 @@
 	return (0);
 }
 
+/* XXX fill/set dbregs/fpregs are stubbed on 32-bit arm. */
 int
 fill_fpregs32(struct thread *td, struct fpreg32 *regs)
 {
 
-	printf("ARM64TODO: fill_fpregs32");
-	return (EDOOFUS);
+	memset(regs, 0, sizeof(*regs));
+	return (0);
 }
 
 int
 set_fpregs32(struct thread *td, struct fpreg32 *regs)
 {
 
-	printf("ARM64TODO: set_fpregs32");
-	return (EDOOFUS);
+	return (0);
 }
 
 int
 fill_dbregs32(struct thread *td, struct dbreg32 *regs)
 {
 
-	printf("ARM64TODO: fill_dbregs32");
-	return (EDOOFUS);
+	memset(regs, 0, sizeof(*regs));
+	return (0);
 }
 
 int
 set_dbregs32(struct thread *td, struct dbreg32 *regs)
 {
 
-	printf("ARM64TODO: set_dbregs32");
-	return (EDOOFUS);
+	return (0);
 }
 #endif