| wdenk | 8dba050 | 2003-03-31 16:34:49 +0000 | [diff] [blame] | 1 | /* setjmp for PowerPC. |
| 2 | Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| Wolfgang Denk | e9ea230 | 2013-07-08 11:48:07 +0200 | [diff] [blame^] | 5 | * SPDX-License-Identifier: LGPL-2.1+ |
| 6 | */ |
| wdenk | 8dba050 | 2003-03-31 16:34:49 +0000 | [diff] [blame] | 7 | |
| 8 | #include <ppc_asm.tmpl> |
| 9 | |
| 10 | # define JB_GPR1 0 /* Also known as the stack pointer */ |
| 11 | # define JB_GPR2 1 |
| 12 | # define JB_LR 2 /* The address we will return to */ |
| 13 | # define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */ |
| 14 | # define JB_CR 21 /* Condition code registers. */ |
| 15 | # define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */ |
| 16 | # define JB_SIZE (58*4) |
| 17 | |
| 18 | #define FP(x...) x |
| 19 | |
| 20 | .globl setctxsp; |
| 21 | setctxsp: |
| 22 | mr r1, r3 |
| 23 | blr |
| 24 | |
| wdenk | b02744a | 2003-04-05 00:53:31 +0000 | [diff] [blame] | 25 | .globl ppc_setjmp; |
| 26 | ppc_setjmp: |
| wdenk | 8dba050 | 2003-03-31 16:34:49 +0000 | [diff] [blame] | 27 | stw r1,(JB_GPR1*4)(3) |
| 28 | mflr r0 |
| 29 | stw r2,(JB_GPR2*4)(3) |
| 30 | stw r14,((JB_GPRS+0)*4)(3) |
| 31 | FP( stfd 14,((JB_FPRS+0*2)*4)(3)) |
| 32 | stw r0,(JB_LR*4)(3) |
| 33 | stw r15,((JB_GPRS+1)*4)(3) |
| 34 | FP( stfd 15,((JB_FPRS+1*2)*4)(3)) |
| 35 | mfcr r0 |
| 36 | stw r16,((JB_GPRS+2)*4)(3) |
| 37 | FP( stfd 16,((JB_FPRS+2*2)*4)(3)) |
| 38 | stw r0,(JB_CR*4)(3) |
| 39 | stw r17,((JB_GPRS+3)*4)(3) |
| 40 | FP( stfd 17,((JB_FPRS+3*2)*4)(3)) |
| 41 | stw r18,((JB_GPRS+4)*4)(3) |
| 42 | FP( stfd 18,((JB_FPRS+4*2)*4)(3)) |
| 43 | stw r19,((JB_GPRS+5)*4)(3) |
| 44 | FP( stfd 19,((JB_FPRS+5*2)*4)(3)) |
| 45 | stw r20,((JB_GPRS+6)*4)(3) |
| 46 | FP( stfd 20,((JB_FPRS+6*2)*4)(3)) |
| 47 | stw r21,((JB_GPRS+7)*4)(3) |
| 48 | FP( stfd 21,((JB_FPRS+7*2)*4)(3)) |
| 49 | stw r22,((JB_GPRS+8)*4)(3) |
| 50 | FP( stfd 22,((JB_FPRS+8*2)*4)(3)) |
| 51 | stw r23,((JB_GPRS+9)*4)(3) |
| 52 | FP( stfd 23,((JB_FPRS+9*2)*4)(3)) |
| 53 | stw r24,((JB_GPRS+10)*4)(3) |
| 54 | FP( stfd 24,((JB_FPRS+10*2)*4)(3)) |
| 55 | stw r25,((JB_GPRS+11)*4)(3) |
| 56 | FP( stfd 25,((JB_FPRS+11*2)*4)(3)) |
| 57 | stw r26,((JB_GPRS+12)*4)(3) |
| 58 | FP( stfd 26,((JB_FPRS+12*2)*4)(3)) |
| 59 | stw r27,((JB_GPRS+13)*4)(3) |
| 60 | FP( stfd 27,((JB_FPRS+13*2)*4)(3)) |
| 61 | stw r28,((JB_GPRS+14)*4)(3) |
| 62 | FP( stfd 28,((JB_FPRS+14*2)*4)(3)) |
| 63 | stw r29,((JB_GPRS+15)*4)(3) |
| 64 | FP( stfd 29,((JB_FPRS+15*2)*4)(3)) |
| 65 | stw r30,((JB_GPRS+16)*4)(3) |
| 66 | FP( stfd 30,((JB_FPRS+16*2)*4)(3)) |
| 67 | stw r31,((JB_GPRS+17)*4)(3) |
| 68 | FP( stfd 31,((JB_FPRS+17*2)*4)(3)) |
| 69 | |
| 70 | li 3, 0 |
| 71 | blr |