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--- Libc/Libc-391.2.3/ppc/sys/longjmp.s
+++ Libc/Libc-262/ppc/sys/longjmp.s
@@ -3,20 +3,19 @@
*
* @APPLE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License"). You may not use this file except in compliance with the
+ * License. Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
*
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
@@ -34,14 +33,8 @@
* Created. Derived from _setjmp.s, setjmp.c and setjmp.s
*/
-/* We use mode-independent "g" opcodes such as "stg", and/or
- * mode-independent macros such as MI_GET_ADDRESS. These expand
- * into word operations when targeting __ppc__, and into doubleword
- * operations when targeting __ppc64__.
- */
-#include <architecture/ppc/mode_independent_asm.h>
-
#include "SYS.h"
+#include <architecture/ppc/asm_help.h>
#include "_setjmp.h"
/*
@@ -50,24 +43,21 @@
/* void siglongjmp(sigjmp_buf env, int val); */
-MI_ENTRY_POINT(_siglongjmp)
- lg r0, JMP_SIGFLAG(r3) ; load sigflag saved by siglongjmp()
- cmpgi cr1,r0,0 ; this changes cr1 which is volatile
- beq-- cr1, L__exit ; if r0 == 0 do _longjmp()
+LEAF(_siglongjmp)
+ lwz r0, JMP_SIGFLAG(r3) ; load sigflag saved by siglongjmp()
+ cmpwi cr1,r0,0 ; this changes cr1[EQ] which is volatile
+ beq- cr1, L__longjmp ; if r0 == 0 do _longjmp()
; else *** fall through *** to longjmp()
/* void longjmp(jmp_buf env, int val); */
-MI_ENTRY_POINT(_longjmp)
- mr r30, r3 ; preserve args across _sigsetmask
- 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
- mr r4, r31
- mr r3, r30
-L__exit:
- MI_BRANCH_EXTERNAL(__longjmp)
+LEAF(_longjmp)
+L_longjmp:
+ mr r30, r3
+ mr r31, r4
+ lwz r3, JMP_sig(r3) ; restore the signal mask
+ CALL_EXTERN(_sigsetmask)
+ mr r4, r31
+ mr r3, r30
+L__longjmp:
+ BRANCH_EXTERN(__longjmp)