1 /*
2 * Special support for eabi and SVR4
3 *
4 * Copyright (C) 1995, 1996, 1998, 2000, 200
5 * Copyright 2008 Freescale Semiconductor, I
6 * Written By Michael Meissner
7 *
8 * Based on gcc/config/rs6000/crtsavres.asm fr
9 *
10 * This file is free software; you can redistr
11 * under the terms of the GNU General Public L
12 * Free Software Foundation; either version 2,
13 * later version.
14 *
15 * In addition to the permissions in the GNU G
16 * Free Software Foundation gives you unlimite
17 * compiled version of this file with other pr
18 * those programs without any restriction comi
19 * file. (The General Public License restrict
20 * respects; for example, they cover modificat
21 * distribution when not linked into another p
22 *
23 * This file is distributed in the hope that i
24 * WITHOUT ANY WARRANTY; without even the impl
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU
29 * along with this program; see the file COPYI
30 * the Free Software Foundation, 51 Franklin S
31 * Boston, MA 02110-1301, USA.
32 *
33 * As a special exception, if you link this
34 * compiled with GCC to produce an executab
35 * the resulting executable to be covered b
36 * This exception does not however invalida
37 * the executable file might be covered by
38 */
39
40 #ifdef __powerpc64__
41 #error "On PPC64, FPR save/restore functions a
42 #endif
43
44 .file "crtsavres.S"
45 .section ".text"
46
47 #define _GLOBAL(name) \
48 .type name,@function; \
49 .globl name; \
50 name:
51
52 /* Routines for saving integer registers, call
53 /* Called with r11 pointing to the stack heade
54 /* function, just beyond the end of the intege
55
56 _GLOBAL(_savegpr_14)
57 _GLOBAL(_save32gpr_14)
58 stw 14,-72(11) /* save gp reg
59 _GLOBAL(_savegpr_15)
60 _GLOBAL(_save32gpr_15)
61 stw 15,-68(11)
62 _GLOBAL(_savegpr_16)
63 _GLOBAL(_save32gpr_16)
64 stw 16,-64(11)
65 _GLOBAL(_savegpr_17)
66 _GLOBAL(_save32gpr_17)
67 stw 17,-60(11)
68 _GLOBAL(_savegpr_18)
69 _GLOBAL(_save32gpr_18)
70 stw 18,-56(11)
71 _GLOBAL(_savegpr_19)
72 _GLOBAL(_save32gpr_19)
73 stw 19,-52(11)
74 _GLOBAL(_savegpr_20)
75 _GLOBAL(_save32gpr_20)
76 stw 20,-48(11)
77 _GLOBAL(_savegpr_21)
78 _GLOBAL(_save32gpr_21)
79 stw 21,-44(11)
80 _GLOBAL(_savegpr_22)
81 _GLOBAL(_save32gpr_22)
82 stw 22,-40(11)
83 _GLOBAL(_savegpr_23)
84 _GLOBAL(_save32gpr_23)
85 stw 23,-36(11)
86 _GLOBAL(_savegpr_24)
87 _GLOBAL(_save32gpr_24)
88 stw 24,-32(11)
89 _GLOBAL(_savegpr_25)
90 _GLOBAL(_save32gpr_25)
91 stw 25,-28(11)
92 _GLOBAL(_savegpr_26)
93 _GLOBAL(_save32gpr_26)
94 stw 26,-24(11)
95 _GLOBAL(_savegpr_27)
96 _GLOBAL(_save32gpr_27)
97 stw 27,-20(11)
98 _GLOBAL(_savegpr_28)
99 _GLOBAL(_save32gpr_28)
100 stw 28,-16(11)
101 _GLOBAL(_savegpr_29)
102 _GLOBAL(_save32gpr_29)
103 stw 29,-12(11)
104 _GLOBAL(_savegpr_30)
105 _GLOBAL(_save32gpr_30)
106 stw 30,-8(11)
107 _GLOBAL(_savegpr_31)
108 _GLOBAL(_save32gpr_31)
109 stw 31,-4(11)
110 blr
111
112 /* Routines for restoring integer registers, c
113 /* Called with r11 pointing to the stack heade
114 /* function, just beyond the end of the intege
115
116 _GLOBAL(_restgpr_14)
117 _GLOBAL(_rest32gpr_14)
118 lwz 14,-72(11) /* restore gp
119 _GLOBAL(_restgpr_15)
120 _GLOBAL(_rest32gpr_15)
121 lwz 15,-68(11)
122 _GLOBAL(_restgpr_16)
123 _GLOBAL(_rest32gpr_16)
124 lwz 16,-64(11)
125 _GLOBAL(_restgpr_17)
126 _GLOBAL(_rest32gpr_17)
127 lwz 17,-60(11)
128 _GLOBAL(_restgpr_18)
129 _GLOBAL(_rest32gpr_18)
130 lwz 18,-56(11)
131 _GLOBAL(_restgpr_19)
132 _GLOBAL(_rest32gpr_19)
133 lwz 19,-52(11)
134 _GLOBAL(_restgpr_20)
135 _GLOBAL(_rest32gpr_20)
136 lwz 20,-48(11)
137 _GLOBAL(_restgpr_21)
138 _GLOBAL(_rest32gpr_21)
139 lwz 21,-44(11)
140 _GLOBAL(_restgpr_22)
141 _GLOBAL(_rest32gpr_22)
142 lwz 22,-40(11)
143 _GLOBAL(_restgpr_23)
144 _GLOBAL(_rest32gpr_23)
145 lwz 23,-36(11)
146 _GLOBAL(_restgpr_24)
147 _GLOBAL(_rest32gpr_24)
148 lwz 24,-32(11)
149 _GLOBAL(_restgpr_25)
150 _GLOBAL(_rest32gpr_25)
151 lwz 25,-28(11)
152 _GLOBAL(_restgpr_26)
153 _GLOBAL(_rest32gpr_26)
154 lwz 26,-24(11)
155 _GLOBAL(_restgpr_27)
156 _GLOBAL(_rest32gpr_27)
157 lwz 27,-20(11)
158 _GLOBAL(_restgpr_28)
159 _GLOBAL(_rest32gpr_28)
160 lwz 28,-16(11)
161 _GLOBAL(_restgpr_29)
162 _GLOBAL(_rest32gpr_29)
163 lwz 29,-12(11)
164 _GLOBAL(_restgpr_30)
165 _GLOBAL(_rest32gpr_30)
166 lwz 30,-8(11)
167 _GLOBAL(_restgpr_31)
168 _GLOBAL(_rest32gpr_31)
169 lwz 31,-4(11)
170 blr
171
172 /* Routines for restoring integer registers, c
173 /* Called with r11 pointing to the stack heade
174 /* function, just beyond the end of the intege
175
176 _GLOBAL(_restgpr_14_x)
177 _GLOBAL(_rest32gpr_14_x)
178 lwz 14,-72(11) /* restore gp
179 _GLOBAL(_restgpr_15_x)
180 _GLOBAL(_rest32gpr_15_x)
181 lwz 15,-68(11)
182 _GLOBAL(_restgpr_16_x)
183 _GLOBAL(_rest32gpr_16_x)
184 lwz 16,-64(11)
185 _GLOBAL(_restgpr_17_x)
186 _GLOBAL(_rest32gpr_17_x)
187 lwz 17,-60(11)
188 _GLOBAL(_restgpr_18_x)
189 _GLOBAL(_rest32gpr_18_x)
190 lwz 18,-56(11)
191 _GLOBAL(_restgpr_19_x)
192 _GLOBAL(_rest32gpr_19_x)
193 lwz 19,-52(11)
194 _GLOBAL(_restgpr_20_x)
195 _GLOBAL(_rest32gpr_20_x)
196 lwz 20,-48(11)
197 _GLOBAL(_restgpr_21_x)
198 _GLOBAL(_rest32gpr_21_x)
199 lwz 21,-44(11)
200 _GLOBAL(_restgpr_22_x)
201 _GLOBAL(_rest32gpr_22_x)
202 lwz 22,-40(11)
203 _GLOBAL(_restgpr_23_x)
204 _GLOBAL(_rest32gpr_23_x)
205 lwz 23,-36(11)
206 _GLOBAL(_restgpr_24_x)
207 _GLOBAL(_rest32gpr_24_x)
208 lwz 24,-32(11)
209 _GLOBAL(_restgpr_25_x)
210 _GLOBAL(_rest32gpr_25_x)
211 lwz 25,-28(11)
212 _GLOBAL(_restgpr_26_x)
213 _GLOBAL(_rest32gpr_26_x)
214 lwz 26,-24(11)
215 _GLOBAL(_restgpr_27_x)
216 _GLOBAL(_rest32gpr_27_x)
217 lwz 27,-20(11)
218 _GLOBAL(_restgpr_28_x)
219 _GLOBAL(_rest32gpr_28_x)
220 lwz 28,-16(11)
221 _GLOBAL(_restgpr_29_x)
222 _GLOBAL(_rest32gpr_29_x)
223 lwz 29,-12(11)
224 _GLOBAL(_restgpr_30_x)
225 _GLOBAL(_rest32gpr_30_x)
226 lwz 30,-8(11)
227 _GLOBAL(_restgpr_31_x)
228 _GLOBAL(_rest32gpr_31_x)
229 lwz 0,4(11)
230 lwz 31,-4(11)
231 mtlr 0
232 mr 1,11
233 blr
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.