darwin-tramp.asm (__trampoline_setup): Call __enable_execute_stack on completion.

	* config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
	__enable_execute_stack on completion.

From-SVN: r121633

gcc/ChangeLog

+2007-02-05  Geoffrey Keating  <geoffk@apple.com>
+
+	* config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
+	__enable_execute_stack on completion.
+
 2007-02-05	Harsha Jagasia	<harsha.jagasia@amd.com>
 
 	* config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,

gcc/config/rs6000/darwin-tramp.asm

@@ -96,10 +96,12 @@ Lcache:
 	addi	r3,r3,4
 	bdnz	Lcache
 
-	/* Finally synchronize things & return */
+	/* Ensure cache-flushing has finished.  */
 	sync
 	isync
-	blr
+
+	/* Make stack writeable.  */
+	b	___enable_execute_stack
 
 Labort:
 #ifdef __DYNAMIC__