1/* longjmp 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#define FP(x...) x
20
21.globl      ppc_longjmp;
22
23ppc_longjmp:
24	lwz r1,(JB_GPR1*4)(r3)
25	lwz r2,(JB_GPR2*4)(r3)
26	lwz r0,(JB_LR*4)(r3)
27	lwz r14,((JB_GPRS+0)*4)(r3)
28FP(	lfd 14,((JB_FPRS+0*2)*4)(r3))
29	lwz r15,((JB_GPRS+1)*4)(r3)
30FP(	lfd 15,((JB_FPRS+1*2)*4)(r3))
31	lwz r16,((JB_GPRS+2)*4)(r3)
32FP(	lfd 16,((JB_FPRS+2*2)*4)(r3))
33	lwz r17,((JB_GPRS+3)*4)(r3)
34FP(	lfd 17,((JB_FPRS+3*2)*4)(r3))
35	lwz r18,((JB_GPRS+4)*4)(r3)
36FP(	lfd 18,((JB_FPRS+4*2)*4)(r3))
37	lwz r19,((JB_GPRS+5)*4)(r3)
38FP(	lfd 19,((JB_FPRS+5*2)*4)(r3))
39	lwz r20,((JB_GPRS+6)*4)(r3)
40FP(	lfd 20,((JB_FPRS+6*2)*4)(r3))
41	mtlr r0
42	lwz r21,((JB_GPRS+7)*4)(r3)
43FP(	lfd 21,((JB_FPRS+7*2)*4)(r3))
44	lwz r22,((JB_GPRS+8)*4)(r3)
45FP(	lfd 22,((JB_FPRS+8*2)*4)(r3))
46	lwz r0,(JB_CR*4)(r3)
47	lwz r23,((JB_GPRS+9)*4)(r3)
48FP(	lfd 23,((JB_FPRS+9*2)*4)(r3))
49	lwz r24,((JB_GPRS+10)*4)(r3)
50FP(	lfd 24,((JB_FPRS+10*2)*4)(r3))
51	lwz r25,((JB_GPRS+11)*4)(r3)
52FP(	lfd 25,((JB_FPRS+11*2)*4)(r3))
53	mtcrf 0xFF,r0
54	lwz r26,((JB_GPRS+12)*4)(r3)
55FP(	lfd 26,((JB_FPRS+12*2)*4)(r3))
56	lwz r27,((JB_GPRS+13)*4)(r3)
57FP(	lfd 27,((JB_FPRS+13*2)*4)(r3))
58	lwz r28,((JB_GPRS+14)*4)(r3)
59FP(	lfd 28,((JB_FPRS+14*2)*4)(r3))
60	lwz r29,((JB_GPRS+15)*4)(r3)
61FP(	lfd 29,((JB_FPRS+15*2)*4)(r3))
62	lwz r30,((JB_GPRS+16)*4)(r3)
63FP(	lfd 30,((JB_FPRS+16*2)*4)(r3))
64	lwz r31,((JB_GPRS+17)*4)(r3)
65FP(	lfd 31,((JB_FPRS+17*2)*4)(r3))
66	mr r3,r4
67	blr
68