diff options
Diffstat (limited to 'lib/libc/ia64/gen/setjmp.S')
| -rw-r--r-- | lib/libc/ia64/gen/setjmp.S | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/lib/libc/ia64/gen/setjmp.S b/lib/libc/ia64/gen/setjmp.S deleted file mode 100644 index a2b56d6..0000000 --- a/lib/libc/ia64/gen/setjmp.S +++ /dev/null @@ -1,82 +0,0 @@ -/* $NetBSD: setjmp.S,v 1.3 1997/12/05 02:06:27 thorpej Exp $ */ - -/* - * Copyright (c) 1994, 1995 Carnegie-Mellon University. - * All rights reserved. - * - * Author: Chris G. Demetriou - * - * Permission to use, copy, modify and distribute this software and - * its documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND - * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * Carnegie Mellon requests users of this software to return to - * - * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU - * School of Computer Science - * Carnegie Mellon University - * Pittsburgh PA 15213-3890 - * - * any improvements or extensions that they make and grant Carnegie the - * rights to redistribute these changes. - */ - -#include <machine/asm.h> -__FBSDID("$FreeBSD$"); - -#define LOCORE -#include <machine/setjmp.h> - -/* - * C library -- setjmp, longjmp - * - * longjmp(a,v) - * will generate a "return(v)" from - * the last call to - * setjmp(a) - * by restoring registers from the stack, - * and the previous signal state. - */ - -ENTRY(setjmp, 1) - alloc loc0=ar.pfs,1,2,3,0 - mov loc1=rp - ;; - mov out0=1 // how = SIG_BLOCK - mov out1=0 // set = NULL - add out2=J_SIGSET,in0 // oset = &jb[J_SIGSET] - br.call.sptk.few rp=__sys_sigprocmask - ;; - mov rp=loc1 - mov r14=loc0 - ;; - alloc r15=ar.pfs,1,0,0,0 // drop register frame - ;; - mov ar.pfs=r14 // restore ar.pfs - br.sptk.many _setjmp // finish saving state -END(setjmp) - - WEAK_ALIAS(longjmp,__longjmp) -ENTRY(__longjmp, 2) - alloc loc0=ar.pfs,2,2,3,0 - mov loc1=rp - ;; - mov out0=3 // how = SIG_SETMASK - add out1=J_SIGSET,in0 // set = &jb[J_SIGSET] - mov out2=0 // oset = NULL - br.call.sptk.few rp=__sys_sigprocmask - ;; - mov rp=loc1 - mov r14=loc0 - ;; - alloc r15=ar.pfs,2,0,0,0 // drop register frame - ;; - mov ar.pfs=r14 // restore ar.pfs - br.sptk.many _longjmp // finish restoring state -END(__longjmp) |
