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da3de6df KG |
1 | /* |
2 | * Special support for eabi and SVR4 | |
3 | * | |
4 | * Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc. | |
5 | * Copyright 2008 Freescale Semiconductor, Inc. | |
6 | * Written By Michael Meissner | |
7 | * | |
8 | * Based on gcc/config/rs6000/crtsavres.asm from gcc | |
7fca5dc8 | 9 | * 64 bit additions from reading the PPC elf64abi document. |
da3de6df KG |
10 | * |
11 | * This file is free software; you can redistribute it and/or modify it | |
12 | * under the terms of the GNU General Public License as published by the | |
13 | * Free Software Foundation; either version 2, or (at your option) any | |
14 | * later version. | |
15 | * | |
16 | * In addition to the permissions in the GNU General Public License, the | |
17 | * Free Software Foundation gives you unlimited permission to link the | |
18 | * compiled version of this file with other programs, and to distribute | |
19 | * those programs without any restriction coming from the use of this | |
20 | * file. (The General Public License restrictions do apply in other | |
21 | * respects; for example, they cover modification of the file, and | |
22 | * distribution when not linked into another program.) | |
23 | * | |
24 | * This file is distributed in the hope that it will be useful, but | |
25 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 | * General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; see the file COPYING. If not, write to | |
31 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, | |
32 | * Boston, MA 02110-1301, USA. | |
33 | * | |
34 | * As a special exception, if you link this library with files | |
35 | * compiled with GCC to produce an executable, this does not cause | |
36 | * the resulting executable to be covered by the GNU General Public License. | |
37 | * This exception does not however invalidate any other reasons why | |
38 | * the executable file might be covered by the GNU General Public License. | |
39 | */ | |
40 | ||
41 | #include <asm/ppc_asm.h> | |
42 | ||
43 | .file "crtsavres.S" | |
da3de6df KG |
44 | |
45 | #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE | |
46 | ||
7fca5dc8 SR |
47 | #ifndef CONFIG_PPC64 |
48 | ||
1d5a436d SR |
49 | .section ".text" |
50 | ||
da3de6df KG |
51 | /* Routines for saving integer registers, called by the compiler. */ |
52 | /* Called with r11 pointing to the stack header word of the caller of the */ | |
53 | /* function, just beyond the end of the integer save area. */ | |
54 | ||
55 | _GLOBAL(_savegpr_14) | |
56 | _GLOBAL(_save32gpr_14) | |
57 | stw 14,-72(11) /* save gp registers */ | |
58 | _GLOBAL(_savegpr_15) | |
59 | _GLOBAL(_save32gpr_15) | |
60 | stw 15,-68(11) | |
61 | _GLOBAL(_savegpr_16) | |
62 | _GLOBAL(_save32gpr_16) | |
63 | stw 16,-64(11) | |
64 | _GLOBAL(_savegpr_17) | |
65 | _GLOBAL(_save32gpr_17) | |
66 | stw 17,-60(11) | |
67 | _GLOBAL(_savegpr_18) | |
68 | _GLOBAL(_save32gpr_18) | |
69 | stw 18,-56(11) | |
70 | _GLOBAL(_savegpr_19) | |
71 | _GLOBAL(_save32gpr_19) | |
72 | stw 19,-52(11) | |
73 | _GLOBAL(_savegpr_20) | |
74 | _GLOBAL(_save32gpr_20) | |
75 | stw 20,-48(11) | |
76 | _GLOBAL(_savegpr_21) | |
77 | _GLOBAL(_save32gpr_21) | |
78 | stw 21,-44(11) | |
79 | _GLOBAL(_savegpr_22) | |
80 | _GLOBAL(_save32gpr_22) | |
81 | stw 22,-40(11) | |
82 | _GLOBAL(_savegpr_23) | |
83 | _GLOBAL(_save32gpr_23) | |
84 | stw 23,-36(11) | |
85 | _GLOBAL(_savegpr_24) | |
86 | _GLOBAL(_save32gpr_24) | |
87 | stw 24,-32(11) | |
88 | _GLOBAL(_savegpr_25) | |
89 | _GLOBAL(_save32gpr_25) | |
90 | stw 25,-28(11) | |
91 | _GLOBAL(_savegpr_26) | |
92 | _GLOBAL(_save32gpr_26) | |
93 | stw 26,-24(11) | |
94 | _GLOBAL(_savegpr_27) | |
95 | _GLOBAL(_save32gpr_27) | |
96 | stw 27,-20(11) | |
97 | _GLOBAL(_savegpr_28) | |
98 | _GLOBAL(_save32gpr_28) | |
99 | stw 28,-16(11) | |
100 | _GLOBAL(_savegpr_29) | |
101 | _GLOBAL(_save32gpr_29) | |
102 | stw 29,-12(11) | |
103 | _GLOBAL(_savegpr_30) | |
104 | _GLOBAL(_save32gpr_30) | |
105 | stw 30,-8(11) | |
106 | _GLOBAL(_savegpr_31) | |
107 | _GLOBAL(_save32gpr_31) | |
108 | stw 31,-4(11) | |
109 | blr | |
110 | ||
111 | /* Routines for restoring integer registers, called by the compiler. */ | |
112 | /* Called with r11 pointing to the stack header word of the caller of the */ | |
113 | /* function, just beyond the end of the integer restore area. */ | |
114 | ||
115 | _GLOBAL(_restgpr_14) | |
116 | _GLOBAL(_rest32gpr_14) | |
117 | lwz 14,-72(11) /* restore gp registers */ | |
118 | _GLOBAL(_restgpr_15) | |
119 | _GLOBAL(_rest32gpr_15) | |
120 | lwz 15,-68(11) | |
121 | _GLOBAL(_restgpr_16) | |
122 | _GLOBAL(_rest32gpr_16) | |
123 | lwz 16,-64(11) | |
124 | _GLOBAL(_restgpr_17) | |
125 | _GLOBAL(_rest32gpr_17) | |
126 | lwz 17,-60(11) | |
127 | _GLOBAL(_restgpr_18) | |
128 | _GLOBAL(_rest32gpr_18) | |
129 | lwz 18,-56(11) | |
130 | _GLOBAL(_restgpr_19) | |
131 | _GLOBAL(_rest32gpr_19) | |
132 | lwz 19,-52(11) | |
133 | _GLOBAL(_restgpr_20) | |
134 | _GLOBAL(_rest32gpr_20) | |
135 | lwz 20,-48(11) | |
136 | _GLOBAL(_restgpr_21) | |
137 | _GLOBAL(_rest32gpr_21) | |
138 | lwz 21,-44(11) | |
139 | _GLOBAL(_restgpr_22) | |
140 | _GLOBAL(_rest32gpr_22) | |
141 | lwz 22,-40(11) | |
142 | _GLOBAL(_restgpr_23) | |
143 | _GLOBAL(_rest32gpr_23) | |
144 | lwz 23,-36(11) | |
145 | _GLOBAL(_restgpr_24) | |
146 | _GLOBAL(_rest32gpr_24) | |
147 | lwz 24,-32(11) | |
148 | _GLOBAL(_restgpr_25) | |
149 | _GLOBAL(_rest32gpr_25) | |
150 | lwz 25,-28(11) | |
151 | _GLOBAL(_restgpr_26) | |
152 | _GLOBAL(_rest32gpr_26) | |
153 | lwz 26,-24(11) | |
154 | _GLOBAL(_restgpr_27) | |
155 | _GLOBAL(_rest32gpr_27) | |
156 | lwz 27,-20(11) | |
157 | _GLOBAL(_restgpr_28) | |
158 | _GLOBAL(_rest32gpr_28) | |
159 | lwz 28,-16(11) | |
160 | _GLOBAL(_restgpr_29) | |
161 | _GLOBAL(_rest32gpr_29) | |
162 | lwz 29,-12(11) | |
163 | _GLOBAL(_restgpr_30) | |
164 | _GLOBAL(_rest32gpr_30) | |
165 | lwz 30,-8(11) | |
166 | _GLOBAL(_restgpr_31) | |
167 | _GLOBAL(_rest32gpr_31) | |
168 | lwz 31,-4(11) | |
169 | blr | |
170 | ||
171 | /* Routines for restoring integer registers, called by the compiler. */ | |
172 | /* Called with r11 pointing to the stack header word of the caller of the */ | |
173 | /* function, just beyond the end of the integer restore area. */ | |
174 | ||
175 | _GLOBAL(_restgpr_14_x) | |
176 | _GLOBAL(_rest32gpr_14_x) | |
177 | lwz 14,-72(11) /* restore gp registers */ | |
178 | _GLOBAL(_restgpr_15_x) | |
179 | _GLOBAL(_rest32gpr_15_x) | |
180 | lwz 15,-68(11) | |
181 | _GLOBAL(_restgpr_16_x) | |
182 | _GLOBAL(_rest32gpr_16_x) | |
183 | lwz 16,-64(11) | |
184 | _GLOBAL(_restgpr_17_x) | |
185 | _GLOBAL(_rest32gpr_17_x) | |
186 | lwz 17,-60(11) | |
187 | _GLOBAL(_restgpr_18_x) | |
188 | _GLOBAL(_rest32gpr_18_x) | |
189 | lwz 18,-56(11) | |
190 | _GLOBAL(_restgpr_19_x) | |
191 | _GLOBAL(_rest32gpr_19_x) | |
192 | lwz 19,-52(11) | |
193 | _GLOBAL(_restgpr_20_x) | |
194 | _GLOBAL(_rest32gpr_20_x) | |
195 | lwz 20,-48(11) | |
196 | _GLOBAL(_restgpr_21_x) | |
197 | _GLOBAL(_rest32gpr_21_x) | |
198 | lwz 21,-44(11) | |
199 | _GLOBAL(_restgpr_22_x) | |
200 | _GLOBAL(_rest32gpr_22_x) | |
201 | lwz 22,-40(11) | |
202 | _GLOBAL(_restgpr_23_x) | |
203 | _GLOBAL(_rest32gpr_23_x) | |
204 | lwz 23,-36(11) | |
205 | _GLOBAL(_restgpr_24_x) | |
206 | _GLOBAL(_rest32gpr_24_x) | |
207 | lwz 24,-32(11) | |
208 | _GLOBAL(_restgpr_25_x) | |
209 | _GLOBAL(_rest32gpr_25_x) | |
210 | lwz 25,-28(11) | |
211 | _GLOBAL(_restgpr_26_x) | |
212 | _GLOBAL(_rest32gpr_26_x) | |
213 | lwz 26,-24(11) | |
214 | _GLOBAL(_restgpr_27_x) | |
215 | _GLOBAL(_rest32gpr_27_x) | |
216 | lwz 27,-20(11) | |
217 | _GLOBAL(_restgpr_28_x) | |
218 | _GLOBAL(_rest32gpr_28_x) | |
219 | lwz 28,-16(11) | |
220 | _GLOBAL(_restgpr_29_x) | |
221 | _GLOBAL(_rest32gpr_29_x) | |
222 | lwz 29,-12(11) | |
223 | _GLOBAL(_restgpr_30_x) | |
224 | _GLOBAL(_rest32gpr_30_x) | |
225 | lwz 30,-8(11) | |
226 | _GLOBAL(_restgpr_31_x) | |
227 | _GLOBAL(_rest32gpr_31_x) | |
228 | lwz 0,4(11) | |
229 | lwz 31,-4(11) | |
230 | mtlr 0 | |
231 | mr 1,11 | |
232 | blr | |
7fca5dc8 SR |
233 | |
234 | #else /* CONFIG_PPC64 */ | |
235 | ||
1d5a436d SR |
236 | .section ".text.save.restore","ax",@progbits |
237 | ||
7fca5dc8 SR |
238 | .globl _savegpr0_14 |
239 | _savegpr0_14: | |
240 | std r14,-144(r1) | |
241 | .globl _savegpr0_15 | |
242 | _savegpr0_15: | |
243 | std r15,-136(r1) | |
244 | .globl _savegpr0_16 | |
245 | _savegpr0_16: | |
246 | std r16,-128(r1) | |
247 | .globl _savegpr0_17 | |
248 | _savegpr0_17: | |
249 | std r17,-120(r1) | |
250 | .globl _savegpr0_18 | |
251 | _savegpr0_18: | |
252 | std r18,-112(r1) | |
253 | .globl _savegpr0_19 | |
254 | _savegpr0_19: | |
255 | std r19,-104(r1) | |
256 | .globl _savegpr0_20 | |
257 | _savegpr0_20: | |
258 | std r20,-96(r1) | |
259 | .globl _savegpr0_21 | |
260 | _savegpr0_21: | |
261 | std r21,-88(r1) | |
262 | .globl _savegpr0_22 | |
263 | _savegpr0_22: | |
264 | std r22,-80(r1) | |
265 | .globl _savegpr0_23 | |
266 | _savegpr0_23: | |
267 | std r23,-72(r1) | |
268 | .globl _savegpr0_24 | |
269 | _savegpr0_24: | |
270 | std r24,-64(r1) | |
271 | .globl _savegpr0_25 | |
272 | _savegpr0_25: | |
273 | std r25,-56(r1) | |
274 | .globl _savegpr0_26 | |
275 | _savegpr0_26: | |
276 | std r26,-48(r1) | |
277 | .globl _savegpr0_27 | |
278 | _savegpr0_27: | |
279 | std r27,-40(r1) | |
280 | .globl _savegpr0_28 | |
281 | _savegpr0_28: | |
282 | std r28,-32(r1) | |
283 | .globl _savegpr0_29 | |
284 | _savegpr0_29: | |
285 | std r29,-24(r1) | |
286 | .globl _savegpr0_30 | |
287 | _savegpr0_30: | |
288 | std r30,-16(r1) | |
289 | .globl _savegpr0_31 | |
290 | _savegpr0_31: | |
291 | std r31,-8(r1) | |
292 | std r0,16(r1) | |
293 | blr | |
294 | ||
295 | .globl _restgpr0_14 | |
296 | _restgpr0_14: | |
297 | ld r14,-144(r1) | |
298 | .globl _restgpr0_15 | |
299 | _restgpr0_15: | |
300 | ld r15,-136(r1) | |
301 | .globl _restgpr0_16 | |
302 | _restgpr0_16: | |
303 | ld r16,-128(r1) | |
304 | .globl _restgpr0_17 | |
305 | _restgpr0_17: | |
306 | ld r17,-120(r1) | |
307 | .globl _restgpr0_18 | |
308 | _restgpr0_18: | |
309 | ld r18,-112(r1) | |
310 | .globl _restgpr0_19 | |
311 | _restgpr0_19: | |
312 | ld r19,-104(r1) | |
313 | .globl _restgpr0_20 | |
314 | _restgpr0_20: | |
315 | ld r20,-96(r1) | |
316 | .globl _restgpr0_21 | |
317 | _restgpr0_21: | |
318 | ld r21,-88(r1) | |
319 | .globl _restgpr0_22 | |
320 | _restgpr0_22: | |
321 | ld r22,-80(r1) | |
322 | .globl _restgpr0_23 | |
323 | _restgpr0_23: | |
324 | ld r23,-72(r1) | |
325 | .globl _restgpr0_24 | |
326 | _restgpr0_24: | |
327 | ld r24,-64(r1) | |
328 | .globl _restgpr0_25 | |
329 | _restgpr0_25: | |
330 | ld r25,-56(r1) | |
331 | .globl _restgpr0_26 | |
332 | _restgpr0_26: | |
333 | ld r26,-48(r1) | |
334 | .globl _restgpr0_27 | |
335 | _restgpr0_27: | |
336 | ld r27,-40(r1) | |
337 | .globl _restgpr0_28 | |
338 | _restgpr0_28: | |
339 | ld r28,-32(r1) | |
340 | .globl _restgpr0_29 | |
341 | _restgpr0_29: | |
342 | ld r0,16(r1) | |
343 | ld r29,-24(r1) | |
344 | mtlr r0 | |
345 | ld r30,-16(r1) | |
346 | ld r31,-8(r1) | |
347 | blr | |
348 | ||
349 | .globl _restgpr0_30 | |
350 | _restgpr0_30: | |
351 | ld r30,-16(r1) | |
352 | .globl _restgpr0_31 | |
353 | _restgpr0_31: | |
354 | ld r0,16(r1) | |
355 | ld r31,-8(r1) | |
356 | mtlr r0 | |
357 | blr | |
358 | ||
359 | #endif /* CONFIG_PPC64 */ | |
360 | ||
da3de6df | 361 | #endif |