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
68
69
|
/* Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
/*
General Purpose Register (GPR) restore routine
when Floating Point Registers (FPRs) are not saved
Note: This restore routine must not be called when GPR30 or
GPR31, or both, are the only registers beings saved. In these
cases, the saving and restoring must be done inline.
*/
#include <sysdep.h>
ENTRY(_restgpr0_all)
.globl C_TEXT(_restgpr0_13)
C_TEXT(_restgpr0_13): lwz r13,-76(r1)
.globl C_TEXT(_restgpr0_14)
C_TEXT(_restgpr0_14): lwz r14,-72(r1)
.globl C_TEXT(_restgpr0_15)
C_TEXT(_restgpr0_15): lwz r15,-68(r1)
.globl C_TEXT(_restgpr0_16)
C_TEXT(_restgpr0_16): lwz r16,-64(r1)
.globl C_TEXT(_restgpr0_17)
C_TEXT(_restgpr0_17): lwz r17,-60(r1)
.globl C_TEXT(_restgpr0_18)
C_TEXT(_restgpr0_18): lwz r18,-56(r1)
.globl C_TEXT(_restgpr0_19)
C_TEXT(_restgpr0_19): lwz r19,-52(r1)
.globl C_TEXT(_restgpr0_20)
C_TEXT(_restgpr0_20): lwz r20,-48(r1)
.globl C_TEXT(_restgpr0_21)
C_TEXT(_restgpr0_21): lwz r21,-44(r1)
.globl C_TEXT(_restgpr0_22)
C_TEXT(_restgpr0_22): lwz r22,-40(r1)
.globl C_TEXT(_restgpr0_23)
C_TEXT(_restgpr0_23): lwz r23,-36(r1)
.globl C_TEXT(_restgpr0_24)
C_TEXT(_restgpr0_24): lwz r24,-32(r1)
.globl C_TEXT(_restgpr0_25)
C_TEXT(_restgpr0_25): lwz r25,-28(r1)
.globl C_TEXT(_restgpr0_26)
C_TEXT(_restgpr0_26): lwz r26,-24(r1)
.globl C_TEXT(_restgpr0_27)
C_TEXT(_restgpr0_27): lwz r27,-20(r1)
.globl C_TEXT(_restgpr0_28)
C_TEXT(_restgpr0_28): lwz r28,-16(r1)
.globl C_TEXT(_restgpr0_29)
C_TEXT(_restgpr0_29): lwz r0,8(r1) #get return address from frame
lwz r29,-12(r1) #restore r29
mtlr r0 #move return address to LR
lwz r30,-8(r1) #restore r30
lwz r31,-4(r1) #restore r31
blr #return
END (_restgpr0_all)
|
