11bc15386SPeter Tyser/* setjmp for PowerPC. 21bc15386SPeter Tyser Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. 31bc15386SPeter Tyser This file is part of the GNU C Library. 41bc15386SPeter Tyser 5*eee479cfSWolfgang Denk * SPDX-License-Identifier: LGPL-2.1+ 6*eee479cfSWolfgang Denk */ 71bc15386SPeter Tyser 81bc15386SPeter Tyser#include <ppc_asm.tmpl> 91bc15386SPeter Tyser 101bc15386SPeter Tyser# define JB_GPR1 0 /* Also known as the stack pointer */ 111bc15386SPeter Tyser# define JB_GPR2 1 121bc15386SPeter Tyser# define JB_LR 2 /* The address we will return to */ 131bc15386SPeter Tyser# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */ 141bc15386SPeter Tyser# define JB_CR 21 /* Condition code registers. */ 151bc15386SPeter Tyser# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */ 161bc15386SPeter Tyser# define JB_SIZE (58*4) 171bc15386SPeter Tyser 181bc15386SPeter Tyser#define FP(x...) x 191bc15386SPeter Tyser 201bc15386SPeter Tyser.globl setctxsp; 211bc15386SPeter Tysersetctxsp: 221bc15386SPeter Tyser mr r1, r3 231bc15386SPeter Tyser blr 241bc15386SPeter Tyser 251bc15386SPeter Tyser.globl ppc_setjmp; 261bc15386SPeter Tyserppc_setjmp: 271bc15386SPeter Tyser stw r1,(JB_GPR1*4)(3) 281bc15386SPeter Tyser mflr r0 291bc15386SPeter Tyser stw r2,(JB_GPR2*4)(3) 301bc15386SPeter Tyser stw r14,((JB_GPRS+0)*4)(3) 311bc15386SPeter TyserFP( stfd 14,((JB_FPRS+0*2)*4)(3)) 321bc15386SPeter Tyser stw r0,(JB_LR*4)(3) 331bc15386SPeter Tyser stw r15,((JB_GPRS+1)*4)(3) 341bc15386SPeter TyserFP( stfd 15,((JB_FPRS+1*2)*4)(3)) 351bc15386SPeter Tyser mfcr r0 361bc15386SPeter Tyser stw r16,((JB_GPRS+2)*4)(3) 371bc15386SPeter TyserFP( stfd 16,((JB_FPRS+2*2)*4)(3)) 381bc15386SPeter Tyser stw r0,(JB_CR*4)(3) 391bc15386SPeter Tyser stw r17,((JB_GPRS+3)*4)(3) 401bc15386SPeter TyserFP( stfd 17,((JB_FPRS+3*2)*4)(3)) 411bc15386SPeter Tyser stw r18,((JB_GPRS+4)*4)(3) 421bc15386SPeter TyserFP( stfd 18,((JB_FPRS+4*2)*4)(3)) 431bc15386SPeter Tyser stw r19,((JB_GPRS+5)*4)(3) 441bc15386SPeter TyserFP( stfd 19,((JB_FPRS+5*2)*4)(3)) 451bc15386SPeter Tyser stw r20,((JB_GPRS+6)*4)(3) 461bc15386SPeter TyserFP( stfd 20,((JB_FPRS+6*2)*4)(3)) 471bc15386SPeter Tyser stw r21,((JB_GPRS+7)*4)(3) 481bc15386SPeter TyserFP( stfd 21,((JB_FPRS+7*2)*4)(3)) 491bc15386SPeter Tyser stw r22,((JB_GPRS+8)*4)(3) 501bc15386SPeter TyserFP( stfd 22,((JB_FPRS+8*2)*4)(3)) 511bc15386SPeter Tyser stw r23,((JB_GPRS+9)*4)(3) 521bc15386SPeter TyserFP( stfd 23,((JB_FPRS+9*2)*4)(3)) 531bc15386SPeter Tyser stw r24,((JB_GPRS+10)*4)(3) 541bc15386SPeter TyserFP( stfd 24,((JB_FPRS+10*2)*4)(3)) 551bc15386SPeter Tyser stw r25,((JB_GPRS+11)*4)(3) 561bc15386SPeter TyserFP( stfd 25,((JB_FPRS+11*2)*4)(3)) 571bc15386SPeter Tyser stw r26,((JB_GPRS+12)*4)(3) 581bc15386SPeter TyserFP( stfd 26,((JB_FPRS+12*2)*4)(3)) 591bc15386SPeter Tyser stw r27,((JB_GPRS+13)*4)(3) 601bc15386SPeter TyserFP( stfd 27,((JB_FPRS+13*2)*4)(3)) 611bc15386SPeter Tyser stw r28,((JB_GPRS+14)*4)(3) 621bc15386SPeter TyserFP( stfd 28,((JB_FPRS+14*2)*4)(3)) 631bc15386SPeter Tyser stw r29,((JB_GPRS+15)*4)(3) 641bc15386SPeter TyserFP( stfd 29,((JB_FPRS+15*2)*4)(3)) 651bc15386SPeter Tyser stw r30,((JB_GPRS+16)*4)(3) 661bc15386SPeter TyserFP( stfd 30,((JB_FPRS+16*2)*4)(3)) 671bc15386SPeter Tyser stw r31,((JB_GPRS+17)*4)(3) 681bc15386SPeter TyserFP( stfd 31,((JB_FPRS+17*2)*4)(3)) 691bc15386SPeter Tyser 701bc15386SPeter Tyser li 3, 0 711bc15386SPeter Tyser blr 72