1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
/* longjmp for PowerPC.
Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
* SPDX-License-Identifier: LGPL-2.1+
*/
#include <ppc_asm.tmpl>
# define JB_GPR1 0 /* Also known as the stack pointer */
# define JB_GPR2 1
# define JB_LR 2 /* The address we will return to */
# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total */
# define JB_CR 21 /* Condition code registers. */
# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total */
# define JB_SIZE (58*4)
#define FP(x...) x
#define FP(x...) x
.globl ppc_longjmp;
ppc_longjmp:
lwz r1,(JB_GPR1*4)(r3)
lwz r2,(JB_GPR2*4)(r3)
lwz r0,(JB_LR*4)(r3)
lwz r14,((JB_GPRS+0)*4)(r3)
FP( lfd 14,((JB_FPRS+0*2)*4)(r3))
lwz r15,((JB_GPRS+1)*4)(r3)
FP( lfd 15,((JB_FPRS+1*2)*4)(r3))
lwz r16,((JB_GPRS+2)*4)(r3)
FP( lfd 16,((JB_FPRS+2*2)*4)(r3))
lwz r17,((JB_GPRS+3)*4)(r3)
FP( lfd 17,((JB_FPRS+3*2)*4)(r3))
lwz r18,((JB_GPRS+4)*4)(r3)
FP( lfd 18,((JB_FPRS+4*2)*4)(r3))
lwz r19,((JB_GPRS+5)*4)(r3)
FP( lfd 19,((JB_FPRS+5*2)*4)(r3))
lwz r20,((JB_GPRS+6)*4)(r3)
FP( lfd 20,((JB_FPRS+6*2)*4)(r3))
mtlr r0
lwz r21,((JB_GPRS+7)*4)(r3)
FP( lfd 21,((JB_FPRS+7*2)*4)(r3))
lwz r22,((JB_GPRS+8)*4)(r3)
FP( lfd 22,((JB_FPRS+8*2)*4)(r3))
lwz r0,(JB_CR*4)(r3)
lwz r23,((JB_GPRS+9)*4)(r3)
FP( lfd 23,((JB_FPRS+9*2)*4)(r3))
lwz r24,((JB_GPRS+10)*4)(r3)
FP( lfd 24,((JB_FPRS+10*2)*4)(r3))
lwz r25,((JB_GPRS+11)*4)(r3)
FP( lfd 25,((JB_FPRS+11*2)*4)(r3))
mtcrf 0xFF,r0
lwz r26,((JB_GPRS+12)*4)(r3)
FP( lfd 26,((JB_FPRS+12*2)*4)(r3))
lwz r27,((JB_GPRS+13)*4)(r3)
FP( lfd 27,((JB_FPRS+13*2)*4)(r3))
lwz r28,((JB_GPRS+14)*4)(r3)
FP( lfd 28,((JB_FPRS+14*2)*4)(r3))
lwz r29,((JB_GPRS+15)*4)(r3)
FP( lfd 29,((JB_FPRS+15*2)*4)(r3))
lwz r30,((JB_GPRS+16)*4)(r3)
FP( lfd 30,((JB_FPRS+16*2)*4)(r3))
lwz r31,((JB_GPRS+17)*4)(r3)
FP( lfd 31,((JB_FPRS+17*2)*4)(r3))
mr r3,r4
blr
|
