1/* SPDX-License-Identifier: LGPL-2.1+ */ 2/* setjmp for PowerPC. 3 Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 5 */ 6 7#include <ppc_asm.tmpl> 8 9# define JB_GPR1 0 /* Also known as the stack pointer */ 10# define JB_GPR2 1 11# define JB_LR 2 /* The address we will return to */ 12# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */ 13# define JB_CR 21 /* Condition code registers. */ 14# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */ 15# define JB_SIZE (58*4) 16 17#define FP(x...) x 18 19.globl setctxsp; 20setctxsp: 21 mr r1, r3 22 blr 23 24.globl ppc_setjmp; 25ppc_setjmp: 26 stw r1,(JB_GPR1*4)(3) 27 mflr r0 28 stw r2,(JB_GPR2*4)(3) 29 stw r14,((JB_GPRS+0)*4)(3) 30FP( stfd 14,((JB_FPRS+0*2)*4)(3)) 31 stw r0,(JB_LR*4)(3) 32 stw r15,((JB_GPRS+1)*4)(3) 33FP( stfd 15,((JB_FPRS+1*2)*4)(3)) 34 mfcr r0 35 stw r16,((JB_GPRS+2)*4)(3) 36FP( stfd 16,((JB_FPRS+2*2)*4)(3)) 37 stw r0,(JB_CR*4)(3) 38 stw r17,((JB_GPRS+3)*4)(3) 39FP( stfd 17,((JB_FPRS+3*2)*4)(3)) 40 stw r18,((JB_GPRS+4)*4)(3) 41FP( stfd 18,((JB_FPRS+4*2)*4)(3)) 42 stw r19,((JB_GPRS+5)*4)(3) 43FP( stfd 19,((JB_FPRS+5*2)*4)(3)) 44 stw r20,((JB_GPRS+6)*4)(3) 45FP( stfd 20,((JB_FPRS+6*2)*4)(3)) 46 stw r21,((JB_GPRS+7)*4)(3) 47FP( stfd 21,((JB_FPRS+7*2)*4)(3)) 48 stw r22,((JB_GPRS+8)*4)(3) 49FP( stfd 22,((JB_FPRS+8*2)*4)(3)) 50 stw r23,((JB_GPRS+9)*4)(3) 51FP( stfd 23,((JB_FPRS+9*2)*4)(3)) 52 stw r24,((JB_GPRS+10)*4)(3) 53FP( stfd 24,((JB_FPRS+10*2)*4)(3)) 54 stw r25,((JB_GPRS+11)*4)(3) 55FP( stfd 25,((JB_FPRS+11*2)*4)(3)) 56 stw r26,((JB_GPRS+12)*4)(3) 57FP( stfd 26,((JB_FPRS+12*2)*4)(3)) 58 stw r27,((JB_GPRS+13)*4)(3) 59FP( stfd 27,((JB_FPRS+13*2)*4)(3)) 60 stw r28,((JB_GPRS+14)*4)(3) 61FP( stfd 28,((JB_FPRS+14*2)*4)(3)) 62 stw r29,((JB_GPRS+15)*4)(3) 63FP( stfd 29,((JB_FPRS+15*2)*4)(3)) 64 stw r30,((JB_GPRS+16)*4)(3) 65FP( stfd 30,((JB_FPRS+16*2)*4)(3)) 66 stw r31,((JB_GPRS+17)*4)(3) 67FP( stfd 31,((JB_FPRS+17*2)*4)(3)) 68 69 li 3, 0 70 blr 71