oss
/
uclibc-ng


			
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							/* longjmp for PowerPC and PowerPC e500.
   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2004
   Free Software Foundation, Inc.
   e500 contributed by Aldy Hernandez <aldyh@redhat.com>.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <features.h>
#include "ppc_asm.h"
#include <jmpbuf-offsets.h>


#if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__
#define FP(x...) x
#else
#define FP(x...)
#endif

#if defined __CONFIG_E500__
#define LFD(reg) evldd r##reg
#define STFD(reg) evstdd r##reg
#else
#define LFD(reg) lfd fp##reg
#define STFD(reg) stfd fp##reg
#endif /* __CONFIG_E500__ */

.globl      __longjmp;
.type      __longjmp, @function;
.align  2;

__longjmp:    
	lwz r1,(JB_GPR1*4)(r3)
	lwz r2,(JB_GPR2*4)(r3)
	lwz r0,(JB_LR*4)(r3)
	lwz r14,((JB_GPRS+0)*4)(r3)
FP(     LFD (14),((JB_FPRS+0*2)*4)(r3))
        lwz r15,((JB_GPRS+1)*4)(r3)
FP(     LFD (15),((JB_FPRS+1*2)*4)(r3))
        lwz r16,((JB_GPRS+2)*4)(r3)
FP(     LFD (16),((JB_FPRS+2*2)*4)(r3))
        lwz r17,((JB_GPRS+3)*4)(r3)
FP(     LFD (17),((JB_FPRS+3*2)*4)(r3))
        lwz r18,((JB_GPRS+4)*4)(r3)
FP(     LFD (18),((JB_FPRS+4*2)*4)(r3))
        lwz r19,((JB_GPRS+5)*4)(r3)
FP(     LFD (19),((JB_FPRS+5*2)*4)(r3))
        lwz r20,((JB_GPRS+6)*4)(r3)
FP(     LFD (20),((JB_FPRS+6*2)*4)(r3))
        mtlr r0
        lwz r21,((JB_GPRS+7)*4)(r3)
FP(     LFD (21),((JB_FPRS+7*2)*4)(r3))
        lwz r22,((JB_GPRS+8)*4)(r3)
FP(     LFD (22),((JB_FPRS+8*2)*4)(r3))
        lwz r0,(JB_CR*4)(r3)
        lwz r23,((JB_GPRS+9)*4)(r3)
FP(     LFD (23),((JB_FPRS+9*2)*4)(r3))
        lwz r24,((JB_GPRS+10)*4)(r3)
FP(     LFD (24),((JB_FPRS+10*2)*4)(r3))
        lwz r25,((JB_GPRS+11)*4)(r3)
FP(     LFD (25),((JB_FPRS+11*2)*4)(r3))
        mtcrf 0xFF,r0
        lwz r26,((JB_GPRS+12)*4)(r3)
FP(     LFD (26),((JB_FPRS+12*2)*4)(r3))
        lwz r27,((JB_GPRS+13)*4)(r3)
FP(     LFD (27),((JB_FPRS+13*2)*4)(r3))
        lwz r28,((JB_GPRS+14)*4)(r3)
FP(     LFD (28),((JB_FPRS+14*2)*4)(r3))
        lwz r29,((JB_GPRS+15)*4)(r3)
FP(     LFD (29),((JB_FPRS+15*2)*4)(r3))
        lwz r30,((JB_GPRS+16)*4)(r3)
FP(     LFD (30),((JB_FPRS+16*2)*4)(r3))
        lwz r31,((JB_GPRS+17)*4)(r3)
FP(     LFD (31),((JB_FPRS+17*2)*4)(r3))
	mr r3,r4
	blr
.size     __longjmp,.-__longjmp

libc_hidden_def(__longjmp)