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wdenk85ec0bc2003-03-31 16:34:49 +00001/* 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 Denkeee479c2013-07-08 11:48:07 +02005 * SPDX-License-Identifier: LGPL-2.1+
6 */
wdenk85ec0bc2003-03-31 16:34:49 +00007
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;
21setctxsp:
22 mr r1, r3
23 blr
24
wdenk3e386912003-04-05 00:53:31 +000025.globl ppc_setjmp;
26ppc_setjmp:
wdenk85ec0bc2003-03-31 16:34:49 +000027 stw r1,(JB_GPR1*4)(3)
28 mflr r0
29 stw r2,(JB_GPR2*4)(3)
30 stw r14,((JB_GPRS+0)*4)(3)
31FP( stfd 14,((JB_FPRS+0*2)*4)(3))
32 stw r0,(JB_LR*4)(3)
33 stw r15,((JB_GPRS+1)*4)(3)
34FP( stfd 15,((JB_FPRS+1*2)*4)(3))
35 mfcr r0
36 stw r16,((JB_GPRS+2)*4)(3)
37FP( stfd 16,((JB_FPRS+2*2)*4)(3))
38 stw r0,(JB_CR*4)(3)
39 stw r17,((JB_GPRS+3)*4)(3)
40FP( stfd 17,((JB_FPRS+3*2)*4)(3))
41 stw r18,((JB_GPRS+4)*4)(3)
42FP( stfd 18,((JB_FPRS+4*2)*4)(3))
43 stw r19,((JB_GPRS+5)*4)(3)
44FP( stfd 19,((JB_FPRS+5*2)*4)(3))
45 stw r20,((JB_GPRS+6)*4)(3)
46FP( stfd 20,((JB_FPRS+6*2)*4)(3))
47 stw r21,((JB_GPRS+7)*4)(3)
48FP( stfd 21,((JB_FPRS+7*2)*4)(3))
49 stw r22,((JB_GPRS+8)*4)(3)
50FP( stfd 22,((JB_FPRS+8*2)*4)(3))
51 stw r23,((JB_GPRS+9)*4)(3)
52FP( stfd 23,((JB_FPRS+9*2)*4)(3))
53 stw r24,((JB_GPRS+10)*4)(3)
54FP( stfd 24,((JB_FPRS+10*2)*4)(3))
55 stw r25,((JB_GPRS+11)*4)(3)
56FP( stfd 25,((JB_FPRS+11*2)*4)(3))
57 stw r26,((JB_GPRS+12)*4)(3)
58FP( stfd 26,((JB_FPRS+12*2)*4)(3))
59 stw r27,((JB_GPRS+13)*4)(3)
60FP( stfd 27,((JB_FPRS+13*2)*4)(3))
61 stw r28,((JB_GPRS+14)*4)(3)
62FP( stfd 28,((JB_FPRS+14*2)*4)(3))
63 stw r29,((JB_GPRS+15)*4)(3)
64FP( stfd 29,((JB_FPRS+15*2)*4)(3))
65 stw r30,((JB_GPRS+16)*4)(3)
66FP( stfd 30,((JB_FPRS+16*2)*4)(3))
67 stw r31,((JB_GPRS+17)*4)(3)
68FP( stfd 31,((JB_FPRS+17*2)*4)(3))
69
70 li 3, 0
71 blr