xnu-1699.32.7.tar.gz

[apple/xnu.git] / bsd / kern / mach_process.c

diff --git a/bsd/kern/mach_process.c b/bsd/kern/mach_process.c
index 5294122ff3498f23868f0b2b54a293937ed8bf53..7ec55c799ee854661105f3361552614e4c2866ca 100644 (file)
--- a/bsd/kern/mach_process.c
+++ b/bsd/kern/mach_process.c
@@ -325,14 +325,10 @@ ptrace(struct proc *p, struct ptrace_args *uap, int32_t *retval)
                        goto out;
                }
 
+               /* force use of Mach SPIs (and task_for_pid security checks) to adjust PC */
                if (uap->addr != (user_addr_t)1) {
-#if defined(ppc)
-#define ALIGNED(addr,size)     (((unsigned)(addr)&((size)-1))==0)
-                       if (!ALIGNED((int)uap->addr, sizeof(int)))
-                               return (ERESTART);
-#undef         ALIGNED
-#endif
-                       thread_setentrypoint(th_act, uap->addr);
+                       error = ENOTSUP;
+                       goto out;
                }
 
                if ((unsigned)uap->data >= NSIG) {