--- Libc/Libc-763.13/ppc/sys/longjmp.s
+++ Libc/Libc-391/ppc/sys/longjmp.s
@@ -41,6 +41,7 @@
  */
 #include <architecture/ppc/mode_independent_asm.h>
 
+#include "SYS.h"
 #include "_setjmp.h"
 
 /*
@@ -52,8 +53,6 @@
 MI_ENTRY_POINT(_siglongjmp)
 	lg      r0, JMP_SIGFLAG(r3)	; load sigflag saved by siglongjmp()
 	cmpgi   cr1,r0,0			; this changes cr1 which is volatile
-	mr      r30, r3             ; preserve args across _sigsetmask
-   	mr      r31, r4
 	beq--   cr1, L__exit        ; if r0 == 0 do _longjmp()
 	; else *** fall through *** to longjmp()
 
@@ -61,23 +60,14 @@
 
 MI_ENTRY_POINT(_longjmp)
 	mr      r30, r3             ; preserve args across _sigsetmask
-   	mr      r31, r4
-
+	mr      r31, r4
+    
     /* NB: this code assumes the signal mask is an int.  Change the "lwz" below
      * if not. The JMP_sig field is already 8 bytes in the jmpbuf.
      */
 	lwz     r3, JMP_sig(r3)		; restore the signal mask
 	MI_CALL_EXTERNAL(_sigsetmask)   // make a (deprecated!) syscall to set the mask
-L__exit:	
-	lwz		r3,JMP_ss_flags(r30)
-	MI_CALL_EXTERNAL(__sigunaltstack)
-L__exit2:
+	mr      r4, r31
 	mr      r3, r30
-	mr      r4, r31
+L__exit:
 	MI_BRANCH_EXTERNAL(__longjmp)
-
-
-
-
-
-