--- coregrind/m_machine.c.orig
+++ coregrind/m_machine.c
@@ -2383,7 +2383,7 @@
       || defined(VGP_s390x_linux) || defined(VGP_mips32_linux) \
       || defined(VGP_mips64_linux) || defined(VGP_arm64_linux) \
       || defined(VGP_x86_solaris) || defined(VGP_amd64_solaris) \
-      || defined(VGP_nanomips_linux)
+      || defined(VGP_nanomips_linux) || defined(VGO_openbsd)
    return f;
 #  elif defined(VGP_ppc64be_linux)
    /* ppc64-linux uses the AIX scheme, in which f is a pointer to a
