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537e7234 | 1 | /* PLT trampolines. SH version. |
b168057a | 2 | Copyright (C) 2005-2015 Free Software Foundation, Inc. |
537e7234 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
537e7234 UD |
18 | |
19 | #include <sysdep.h> | |
20 | ||
21 | .text | |
22 | .globl _dl_runtime_resolve | |
23 | .type _dl_runtime_resolve, @function | |
24 | cfi_startproc | |
25 | .align 5 | |
26 | _dl_runtime_resolve: | |
27 | mov.l r2,@-r15 | |
28 | cfi_adjust_cfa_offset (4) | |
29 | mov.l r3,@-r15 | |
30 | cfi_adjust_cfa_offset (4) | |
31 | mov.l r4,@-r15 | |
32 | cfi_adjust_cfa_offset (4) | |
33 | mov.l r5,@-r15 | |
34 | cfi_adjust_cfa_offset (4) | |
35 | mov.l r6,@-r15 | |
36 | cfi_adjust_cfa_offset (4) | |
37 | mov.l r7,@-r15 | |
38 | cfi_adjust_cfa_offset (4) | |
39 | mov.l r12,@-r15 | |
40 | cfi_adjust_cfa_offset (4) | |
41 | sts.l macl,@-r15 | |
42 | cfi_adjust_cfa_offset (4) | |
43 | sts.l mach,@-r15 | |
44 | cfi_adjust_cfa_offset (4) | |
45 | movt r3 ! Save T flag. | |
46 | mov.l r3,@-r15 | |
47 | cfi_adjust_cfa_offset (4) | |
48 | #ifdef HAVE_FPU | |
49 | sts.l fpscr,@-r15 | |
50 | cfi_adjust_cfa_offset (4) | |
51 | mov #8,r3 | |
52 | swap.w r3,r3 | |
53 | lds r3,fpscr | |
54 | fmov.s fr11,@-r15 | |
55 | cfi_adjust_cfa_offset (4) | |
56 | fmov.s fr10,@-r15 | |
57 | cfi_adjust_cfa_offset (4) | |
58 | fmov.s fr9,@-r15 | |
59 | cfi_adjust_cfa_offset (4) | |
60 | fmov.s fr8,@-r15 | |
61 | cfi_adjust_cfa_offset (4) | |
62 | fmov.s fr7,@-r15 | |
63 | cfi_adjust_cfa_offset (4) | |
64 | fmov.s fr6,@-r15 | |
65 | cfi_adjust_cfa_offset (4) | |
66 | fmov.s fr5,@-r15 | |
67 | cfi_adjust_cfa_offset (4) | |
68 | fmov.s fr4,@-r15 | |
69 | cfi_adjust_cfa_offset (4) | |
70 | #endif | |
71 | sts.l pr,@-r15 | |
72 | cfi_adjust_cfa_offset (4) | |
73 | tst r0,r0 | |
74 | bt 1f | |
75 | mov r0,r2 | |
76 | 1: | |
77 | mov r0,r4 ! PLT type | |
78 | mov r2,r5 ! link map address | |
79 | #ifdef SHARED | |
80 | mov.l 2f,r2 | |
81 | mova 2f,r0 | |
82 | add r0,r2 ! Get GOT address in r2 | |
83 | mov.l 3f,r0 | |
84 | add r2,r0 | |
85 | #else | |
86 | mov.l 3f,r0 | |
87 | #endif | |
88 | jsr @r0 ! Call resolver. | |
89 | mov r1,r6 ! reloc offset | |
90 | lds.l @r15+,pr ! Get register content back. | |
91 | cfi_adjust_cfa_offset (-4) | |
92 | #ifdef HAVE_FPU | |
93 | fmov.s @r15+,fr4 | |
94 | cfi_adjust_cfa_offset (-4) | |
95 | fmov.s @r15+,fr5 | |
96 | cfi_adjust_cfa_offset (-4) | |
97 | fmov.s @r15+,fr6 | |
98 | cfi_adjust_cfa_offset (-4) | |
99 | fmov.s @r15+,fr7 | |
100 | cfi_adjust_cfa_offset (-4) | |
101 | fmov.s @r15+,fr8 | |
102 | cfi_adjust_cfa_offset (-4) | |
103 | fmov.s @r15+,fr9 | |
104 | cfi_adjust_cfa_offset (-4) | |
105 | fmov.s @r15+,fr10 | |
106 | cfi_adjust_cfa_offset (-4) | |
107 | fmov.s @r15+,fr11 | |
108 | cfi_adjust_cfa_offset (-4) | |
109 | lds.l @r15+,fpscr | |
110 | cfi_adjust_cfa_offset (-4) | |
111 | #endif | |
112 | mov.l @r15+,r3 | |
113 | cfi_adjust_cfa_offset (-4) | |
114 | shal r3 ! Lode T flag. | |
115 | lds.l @r15+,mach | |
116 | cfi_adjust_cfa_offset (-4) | |
117 | lds.l @r15+,macl | |
118 | cfi_adjust_cfa_offset (-4) | |
119 | mov.l @r15+,r12 | |
120 | cfi_adjust_cfa_offset (-4) | |
121 | mov.l @r15+,r7 | |
122 | cfi_adjust_cfa_offset (-4) | |
123 | mov.l @r15+,r6 | |
124 | cfi_adjust_cfa_offset (-4) | |
125 | mov.l @r15+,r5 | |
126 | cfi_adjust_cfa_offset (-4) | |
127 | mov.l @r15+,r4 | |
128 | cfi_adjust_cfa_offset (-4) | |
129 | mov.l @r15+,r3 | |
130 | cfi_adjust_cfa_offset (-4) | |
131 | jmp @r0 ! Jump to function address. | |
132 | mov.l @r15+,r2 | |
133 | cfi_adjust_cfa_offset (-4) | |
134 | .align 2 | |
135 | #ifdef SHARED | |
136 | 2: .long _GLOBAL_OFFSET_TABLE_ | |
137 | 3: .long _dl_fixup@GOTOFF | |
138 | #else | |
139 | 3: .long _dl_fixup | |
140 | #endif | |
141 | cfi_endproc | |
142 | .size _dl_runtime_resolve, .-_dl_runtime_resolve | |
143 | ||
144 | ||
145 | .globl _dl_runtime_profile | |
146 | .type _dl_runtime_profile,@function | |
147 | cfi_startproc | |
148 | .align 5 | |
149 | _dl_runtime_profile: | |
150 | mov.l r12,@-r15 | |
151 | cfi_adjust_cfa_offset (4) | |
152 | #ifdef HAVE_FPU | |
153 | sts.l fpscr,@-r15 | |
154 | cfi_adjust_cfa_offset (4) | |
155 | mov #8,r12 | |
156 | swap.w r12,r12 | |
157 | lds r12,fpscr | |
158 | fmov.s fr11,@-r15 | |
159 | cfi_adjust_cfa_offset (4) | |
160 | fmov.s fr10,@-r15 | |
161 | cfi_adjust_cfa_offset (4) | |
162 | fmov.s fr9,@-r15 | |
163 | cfi_adjust_cfa_offset (4) | |
164 | fmov.s fr8,@-r15 | |
165 | cfi_adjust_cfa_offset (4) | |
166 | fmov.s fr7,@-r15 | |
167 | cfi_adjust_cfa_offset (4) | |
168 | fmov.s fr6,@-r15 | |
169 | cfi_adjust_cfa_offset (4) | |
170 | fmov.s fr5,@-r15 | |
171 | cfi_adjust_cfa_offset (4) | |
172 | fmov.s fr4,@-r15 | |
173 | cfi_adjust_cfa_offset (4) | |
174 | #else | |
175 | add #-36,r15 | |
176 | cfi_adjust_cfa_offset (36) | |
177 | #endif | |
178 | mov.l r7,@-r15 | |
179 | cfi_adjust_cfa_offset (4) | |
180 | mov.l r6,@-r15 | |
181 | cfi_adjust_cfa_offset (4) | |
182 | mov.l r5,@-r15 | |
183 | cfi_adjust_cfa_offset (4) | |
184 | mov.l r4,@-r15 | |
185 | cfi_adjust_cfa_offset (4) | |
186 | mov.l r3,@-r15 | |
187 | cfi_adjust_cfa_offset (4) | |
188 | mov.l r2,@-r15 | |
189 | cfi_adjust_cfa_offset (4) | |
190 | sts.l macl,@-r15 | |
191 | cfi_adjust_cfa_offset (4) | |
192 | sts.l mach,@-r15 | |
193 | cfi_adjust_cfa_offset (4) | |
194 | movt r3 ! Save T flag. | |
195 | mov.l r3,@-r15 | |
196 | cfi_adjust_cfa_offset (4) | |
197 | sts.l pr,@-r15 | |
198 | cfi_adjust_cfa_offset (4) | |
199 | tst r0,r0 | |
200 | bt 1f | |
201 | mov r0,r2 | |
202 | 1: | |
203 | mov r0,r4 ! PLT type | |
204 | mov r2,r5 ! link map address | |
205 | sts pr,r7 ! return address | |
206 | add #-24,r15 | |
207 | cfi_adjust_cfa_offset (24) | |
208 | mov #40,r0 | |
209 | add r15,r0 | |
210 | mov.l r0,@r15 ! Address of the register structure | |
211 | mov #-1,r0 | |
212 | mov.l r0,@(8,r15) | |
213 | mov #8,r0 | |
214 | add r15,r0 | |
215 | mov.l r0,@(4,r15) | |
216 | mov.l r5,@(12,r15) | |
217 | mov.l r1,@(16,r15) | |
218 | #ifdef SHARED | |
219 | mov.l 2f,r12 | |
220 | mova 2f,r0 | |
221 | add r0,r12 ! Get GOT address in r12 | |
222 | mov.l 3f,r0 | |
223 | add r12,r0 | |
224 | #else | |
225 | mov.l 3f,r0 | |
226 | #endif | |
227 | jsr @r0 ! Call resolver. | |
228 | mov r1,r6 ! reloc offset | |
229 | mov.l @(8,r15),r1 | |
230 | cmp/pz r1 | |
231 | bt 4f | |
232 | add #24,r15 | |
233 | cfi_adjust_cfa_offset (-24) | |
234 | lds.l @r15+,pr ! Get register content back. | |
235 | cfi_adjust_cfa_offset (-4) | |
236 | mov.l @r15+,r3 | |
237 | cfi_adjust_cfa_offset (-4) | |
238 | shal r3 ! Lode T flag. | |
239 | lds.l @r15+,mach | |
240 | cfi_adjust_cfa_offset (-4) | |
241 | lds.l @r15+,macl | |
242 | cfi_adjust_cfa_offset (-4) | |
243 | mov.l @r15+,r2 | |
244 | cfi_adjust_cfa_offset (-4) | |
245 | mov.l @r15+,r3 | |
246 | cfi_adjust_cfa_offset (-4) | |
247 | mov.l @r15+,r4 | |
248 | cfi_adjust_cfa_offset (-4) | |
249 | mov.l @r15+,r5 | |
250 | cfi_adjust_cfa_offset (-4) | |
251 | mov.l @r15+,r6 | |
252 | cfi_adjust_cfa_offset (-4) | |
253 | mov.l @r15+,r7 | |
254 | cfi_adjust_cfa_offset (-4) | |
255 | #ifdef HAVE_FPU | |
256 | fmov.s @r15+,fr4 | |
257 | cfi_adjust_cfa_offset (-4) | |
258 | fmov.s @r15+,fr5 | |
259 | cfi_adjust_cfa_offset (-4) | |
260 | fmov.s @r15+,fr6 | |
261 | cfi_adjust_cfa_offset (-4) | |
262 | fmov.s @r15+,fr7 | |
263 | cfi_adjust_cfa_offset (-4) | |
264 | fmov.s @r15+,fr8 | |
265 | cfi_adjust_cfa_offset (-4) | |
266 | fmov.s @r15+,fr9 | |
267 | cfi_adjust_cfa_offset (-4) | |
268 | fmov.s @r15+,fr10 | |
269 | cfi_adjust_cfa_offset (-4) | |
270 | fmov.s @r15+,fr11 | |
271 | cfi_adjust_cfa_offset (-4) | |
272 | lds.l @r15+,fpscr | |
273 | cfi_adjust_cfa_offset (-4) | |
274 | #else | |
275 | add #36,r15 | |
276 | cfi_adjust_cfa_offset (-36) | |
277 | #endif | |
278 | jmp @r0 ! Jump to function address. | |
279 | mov.l @r15+,r12 | |
280 | cfi_adjust_cfa_offset (-4) | |
281 | .align 2 | |
282 | #ifdef SHARED | |
283 | 2: .long _GLOBAL_OFFSET_TABLE_ | |
284 | 3: .long _dl_profile_fixup@GOTOFF | |
285 | #else | |
286 | 3: .long _dl_profile_fixup | |
287 | #endif | |
288 | ||
289 | cfi_adjust_cfa_offset (104) | |
290 | 4: | |
291 | mov #104,r3 | |
292 | add r15,r3 ! Original stack | |
293 | mov.l r8,@(20,r15) | |
294 | cfi_rel_offset (r8, 20) | |
295 | mov r15,r8 | |
296 | sub r1,r15 | |
297 | shlr2 r15 | |
298 | shll2 r15 | |
299 | mov r15,r4 | |
300 | shlr2 r1 | |
301 | tst r1,r1 | |
9c84384c | 302 | 5: |
537e7234 UD |
303 | bt/s 6f |
304 | dt r1 | |
305 | mov.l @r3+,r2 | |
306 | mov.l r2,@r4 | |
307 | bra 5b | |
308 | add #4,r4 | |
309 | 6: | |
310 | mov.l @r8,r12 | |
311 | mov.l @r12+,r2 | |
312 | mov.l @r12+,r3 | |
313 | mov.l @r12+,r4 | |
314 | mov.l @r12+,r5 | |
315 | mov.l @r12+,r6 | |
316 | mov.l @r12+,r7 | |
317 | #ifdef HAVE_FPU | |
318 | fmov.s @r12+,fr4 | |
319 | fmov.s @r12+,fr5 | |
320 | fmov.s @r12+,fr6 | |
321 | fmov.s @r12+,fr7 | |
322 | fmov.s @r12+,fr8 | |
323 | fmov.s @r12+,fr9 | |
324 | fmov.s @r12+,fr10 | |
325 | fmov.s @r12+,fr11 | |
326 | lds.l @r12+,fpscr | |
327 | #else | |
328 | add #36,r2 | |
329 | #endif | |
330 | jsr @r0 ! Call function. | |
331 | nop | |
332 | mov r8,r15 | |
333 | mov.l @(12,r15),r4 ! link map address | |
334 | mov.l @(16,r15),r5 ! reloc offset | |
335 | mov.l @r15,r6 ! input registers | |
336 | #ifdef HAVE_FPU | |
337 | mov #16,r8 | |
338 | add r15,r8 | |
339 | fmov.s fr1,@-r8 | |
340 | fmov.s fr0,@-r8 | |
341 | #else | |
342 | mov #8,r8 | |
343 | add r15,r8 | |
344 | #endif | |
345 | mov.l r1,@-r8 | |
346 | mov.l r0,@-r8 | |
347 | mov.l @(20,r15),r8 | |
348 | cfi_restore (r8) | |
349 | #ifdef SHARED | |
350 | mov.l 7f,r12 | |
351 | mova 7f,r0 | |
352 | add r0,r12 ! Get GOT address in r12 | |
353 | mov.l 8f,r0 | |
354 | add r12,r0 | |
355 | #else | |
356 | mov.l 8f,r0 | |
357 | #endif | |
358 | jsr @r0 | |
359 | mov r15,r7 ! output registers | |
360 | mov.l @r15+,r0 | |
361 | cfi_adjust_cfa_offset (-4) | |
362 | mov.l @r15+,r1 | |
363 | cfi_adjust_cfa_offset (-4) | |
364 | #ifdef HAVE_FPU | |
365 | fmov.s @r15+,fr0 | |
366 | cfi_adjust_cfa_offset (-4) | |
367 | fmov.s @r15+,fr1 | |
368 | cfi_adjust_cfa_offset (-4) | |
369 | add #8,r15 | |
370 | cfi_adjust_cfa_offset (-8) | |
371 | #else | |
372 | add #16,r15 | |
373 | cfi_adjust_cfa_offset (-16) | |
374 | #endif | |
375 | lds.l @r15+,pr ! Get register content back. | |
376 | cfi_adjust_cfa_offset (-4) | |
377 | mov.l @r15+,r3 | |
378 | cfi_adjust_cfa_offset (-4) | |
379 | shal r3 ! Lode T flag. | |
380 | lds.l @r15+,mach | |
381 | cfi_adjust_cfa_offset (-4) | |
382 | lds.l @r15+,macl | |
383 | cfi_adjust_cfa_offset (-4) | |
384 | mov.l @r15+,r2 | |
385 | cfi_adjust_cfa_offset (-4) | |
386 | mov.l @r15+,r3 | |
387 | cfi_adjust_cfa_offset (-4) | |
388 | mov.l @r15+,r4 | |
389 | cfi_adjust_cfa_offset (-4) | |
390 | mov.l @r15+,r5 | |
391 | cfi_adjust_cfa_offset (-4) | |
392 | mov.l @r15+,r6 | |
393 | cfi_adjust_cfa_offset (-4) | |
394 | mov.l @r15+,r7 | |
395 | cfi_adjust_cfa_offset (-4) | |
396 | #ifdef HAVE_FPU | |
397 | fmov.s @r15+,fr4 | |
398 | cfi_adjust_cfa_offset (-4) | |
399 | fmov.s @r15+,fr5 | |
400 | cfi_adjust_cfa_offset (-4) | |
401 | fmov.s @r15+,fr6 | |
402 | cfi_adjust_cfa_offset (-4) | |
403 | fmov.s @r15+,fr7 | |
404 | cfi_adjust_cfa_offset (-4) | |
405 | fmov.s @r15+,fr8 | |
406 | cfi_adjust_cfa_offset (-4) | |
407 | fmov.s @r15+,fr9 | |
408 | cfi_adjust_cfa_offset (-4) | |
409 | fmov.s @r15+,fr10 | |
410 | cfi_adjust_cfa_offset (-4) | |
411 | fmov.s @r15+,fr11 | |
412 | cfi_adjust_cfa_offset (-4) | |
413 | lds.l @r15+,fpscr | |
414 | cfi_adjust_cfa_offset (-4) | |
415 | #else | |
416 | add #36,r15 | |
417 | cfi_adjust_cfa_offset (-36) | |
418 | #endif | |
419 | rts ! Jump to function address. | |
420 | mov.l @r15+,r12 | |
421 | cfi_adjust_cfa_offset (-4) | |
422 | cfi_endproc | |
423 | .align 2 | |
424 | #ifdef SHARED | |
425 | 7: .long _GLOBAL_OFFSET_TABLE_ | |
426 | 8: .long _dl_call_pltexit@GOTOFF | |
427 | #else | |
428 | 8: .long _dl_call_pltexit | |
429 | #endif | |
430 | .size _dl_runtime_profile, .-_dl_runtime_profile |