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
5 * SPDX-License-Identifier:	LGPL-2.1+
6 */
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;
21setctxsp:
22	mr  r1, r3
23	blr
24
25.globl      ppc_setjmp;
26ppc_setjmp:
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)
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
72