niklas pointed out the new MDP_UNCACHE_WX might break fork/exec.

always set/clear in setregs() now

diff --git a/sys/arch/amiga/amiga/machdep.c b/sys/arch/amiga/amiga/machdep.c
index 739d05a..f736d1e 100644 (file)
--- a/sys/arch/amiga/amiga/machdep.c
+++ b/sys/arch/amiga/amiga/machdep.c
@@ -416,6 +416,17 @@ setregs(p, pack, stack, retval)
        p->p_addr->u_pcb.pcb_fpregs.fpf_null = 0;
        m68881_restore(&p->p_addr->u_pcb.pcb_fpregs);
 #endif
+#ifdef COMPAT_SUNOS
+       /*
+        * SunOS' ld.so does self-modifying code without knowing
+        * about the 040's cache purging needs.  So we need to uncache
+        * writeable executable pages.
+        */
+       if (p->p_emul == &emul_sunos)
+               p->p_md.md_flags |= MDP_UNCACHE_WX;
+       else
+               p->p_md.md_flags &= ~MDP_UNCACHE_WX;
+#endif
 }
 
 /*