1*1bc15386SPeter Tyser/* longjmp for PowerPC. 2*1bc15386SPeter Tyser Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. 3*1bc15386SPeter Tyser This file is part of the GNU C Library. 4*1bc15386SPeter Tyser 5*1bc15386SPeter Tyser The GNU C Library is free software; you can redistribute it and/or 6*1bc15386SPeter Tyser modify it under the terms of the GNU Lesser General Public 7*1bc15386SPeter Tyser License as published by the Free Software Foundation; either 8*1bc15386SPeter Tyser version 2.1 of the License, or (at your option) any later version. 9*1bc15386SPeter Tyser 10*1bc15386SPeter Tyser The GNU C Library is distributed in the hope that it will be useful, 11*1bc15386SPeter Tyser but WITHOUT ANY WARRANTY; without even the implied warranty of 12*1bc15386SPeter Tyser MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13*1bc15386SPeter Tyser Lesser General Public License for more details. 14*1bc15386SPeter Tyser 15*1bc15386SPeter Tyser You should have received a copy of the GNU Lesser General Public 16*1bc15386SPeter Tyser License along with the GNU C Library; if not, write to the Free 17*1bc15386SPeter Tyser Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18*1bc15386SPeter Tyser 02111-1307 USA. */ 19*1bc15386SPeter Tyser 20*1bc15386SPeter Tyser#include <ppc_asm.tmpl> 21*1bc15386SPeter Tyser 22*1bc15386SPeter Tyser# define JB_GPR1 0 /* Also known as the stack pointer */ 23*1bc15386SPeter Tyser# define JB_GPR2 1 24*1bc15386SPeter Tyser# define JB_LR 2 /* The address we will return to */ 25*1bc15386SPeter Tyser# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */ 26*1bc15386SPeter Tyser# define JB_CR 21 /* Condition code registers. */ 27*1bc15386SPeter Tyser# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */ 28*1bc15386SPeter Tyser# define JB_SIZE (58*4) 29*1bc15386SPeter Tyser 30*1bc15386SPeter Tyser#define FP(x...) x 31*1bc15386SPeter Tyser#define FP(x...) x 32*1bc15386SPeter Tyser 33*1bc15386SPeter Tyser.globl ppc_longjmp; 34*1bc15386SPeter Tyser 35*1bc15386SPeter Tyserppc_longjmp: 36*1bc15386SPeter Tyser lwz r1,(JB_GPR1*4)(r3) 37*1bc15386SPeter Tyser lwz r2,(JB_GPR2*4)(r3) 38*1bc15386SPeter Tyser lwz r0,(JB_LR*4)(r3) 39*1bc15386SPeter Tyser lwz r14,((JB_GPRS+0)*4)(r3) 40*1bc15386SPeter TyserFP( lfd 14,((JB_FPRS+0*2)*4)(r3)) 41*1bc15386SPeter Tyser lwz r15,((JB_GPRS+1)*4)(r3) 42*1bc15386SPeter TyserFP( lfd 15,((JB_FPRS+1*2)*4)(r3)) 43*1bc15386SPeter Tyser lwz r16,((JB_GPRS+2)*4)(r3) 44*1bc15386SPeter TyserFP( lfd 16,((JB_FPRS+2*2)*4)(r3)) 45*1bc15386SPeter Tyser lwz r17,((JB_GPRS+3)*4)(r3) 46*1bc15386SPeter TyserFP( lfd 17,((JB_FPRS+3*2)*4)(r3)) 47*1bc15386SPeter Tyser lwz r18,((JB_GPRS+4)*4)(r3) 48*1bc15386SPeter TyserFP( lfd 18,((JB_FPRS+4*2)*4)(r3)) 49*1bc15386SPeter Tyser lwz r19,((JB_GPRS+5)*4)(r3) 50*1bc15386SPeter TyserFP( lfd 19,((JB_FPRS+5*2)*4)(r3)) 51*1bc15386SPeter Tyser lwz r20,((JB_GPRS+6)*4)(r3) 52*1bc15386SPeter TyserFP( lfd 20,((JB_FPRS+6*2)*4)(r3)) 53*1bc15386SPeter Tyser mtlr r0 54*1bc15386SPeter Tyser lwz r21,((JB_GPRS+7)*4)(r3) 55*1bc15386SPeter TyserFP( lfd 21,((JB_FPRS+7*2)*4)(r3)) 56*1bc15386SPeter Tyser lwz r22,((JB_GPRS+8)*4)(r3) 57*1bc15386SPeter TyserFP( lfd 22,((JB_FPRS+8*2)*4)(r3)) 58*1bc15386SPeter Tyser lwz r0,(JB_CR*4)(r3) 59*1bc15386SPeter Tyser lwz r23,((JB_GPRS+9)*4)(r3) 60*1bc15386SPeter TyserFP( lfd 23,((JB_FPRS+9*2)*4)(r3)) 61*1bc15386SPeter Tyser lwz r24,((JB_GPRS+10)*4)(r3) 62*1bc15386SPeter TyserFP( lfd 24,((JB_FPRS+10*2)*4)(r3)) 63*1bc15386SPeter Tyser lwz r25,((JB_GPRS+11)*4)(r3) 64*1bc15386SPeter TyserFP( lfd 25,((JB_FPRS+11*2)*4)(r3)) 65*1bc15386SPeter Tyser mtcrf 0xFF,r0 66*1bc15386SPeter Tyser lwz r26,((JB_GPRS+12)*4)(r3) 67*1bc15386SPeter TyserFP( lfd 26,((JB_FPRS+12*2)*4)(r3)) 68*1bc15386SPeter Tyser lwz r27,((JB_GPRS+13)*4)(r3) 69*1bc15386SPeter TyserFP( lfd 27,((JB_FPRS+13*2)*4)(r3)) 70*1bc15386SPeter Tyser lwz r28,((JB_GPRS+14)*4)(r3) 71*1bc15386SPeter TyserFP( lfd 28,((JB_FPRS+14*2)*4)(r3)) 72*1bc15386SPeter Tyser lwz r29,((JB_GPRS+15)*4)(r3) 73*1bc15386SPeter TyserFP( lfd 29,((JB_FPRS+15*2)*4)(r3)) 74*1bc15386SPeter Tyser lwz r30,((JB_GPRS+16)*4)(r3) 75*1bc15386SPeter TyserFP( lfd 30,((JB_FPRS+16*2)*4)(r3)) 76*1bc15386SPeter Tyser lwz r31,((JB_GPRS+17)*4)(r3) 77*1bc15386SPeter TyserFP( lfd 31,((JB_FPRS+17*2)*4)(r3)) 78*1bc15386SPeter Tyser mr r3,r4 79*1bc15386SPeter Tyser blr 80