Loading...
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 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 | /* * Special support for eabi and SVR4 * * Copyright (C) 1995, 1996, 1998, 2000, 2001 Free Software Foundation, Inc. * Copyright 2008 Freescale Semiconductor, Inc. * Written By Michael Meissner * * Based on gcc/config/rs6000/crtsavres.asm from gcc * 64 bit additions from reading the PPC elf64abi document. * * This file is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the * Free Software Foundation; either version 2, or (at your option) any * later version. * * In addition to the permissions in the GNU General Public License, the * Free Software Foundation gives you unlimited permission to link the * compiled version of this file with other programs, and to distribute * those programs without any restriction coming from the use of this * file. (The General Public License restrictions do apply in other * respects; for example, they cover modification of the file, and * distribution when not linked into another program.) * * This file 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. If not, write to * the Free Software Foundation, 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. * * As a special exception, if you link this library with files * compiled with GCC to produce an executable, this does not cause * the resulting executable to be covered by the GNU General Public License. * This exception does not however invalidate any other reasons why * the executable file might be covered by the GNU General Public License. */ #include <asm/ppc_asm.h> .file "crtsavres.S" #ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE #ifndef CONFIG_PPC64 .section ".text" /* Routines for saving integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer save area. */ _GLOBAL(_savegpr_14) _GLOBAL(_save32gpr_14) stw 14,-72(11) /* save gp registers */ _GLOBAL(_savegpr_15) _GLOBAL(_save32gpr_15) stw 15,-68(11) _GLOBAL(_savegpr_16) _GLOBAL(_save32gpr_16) stw 16,-64(11) _GLOBAL(_savegpr_17) _GLOBAL(_save32gpr_17) stw 17,-60(11) _GLOBAL(_savegpr_18) _GLOBAL(_save32gpr_18) stw 18,-56(11) _GLOBAL(_savegpr_19) _GLOBAL(_save32gpr_19) stw 19,-52(11) _GLOBAL(_savegpr_20) _GLOBAL(_save32gpr_20) stw 20,-48(11) _GLOBAL(_savegpr_21) _GLOBAL(_save32gpr_21) stw 21,-44(11) _GLOBAL(_savegpr_22) _GLOBAL(_save32gpr_22) stw 22,-40(11) _GLOBAL(_savegpr_23) _GLOBAL(_save32gpr_23) stw 23,-36(11) _GLOBAL(_savegpr_24) _GLOBAL(_save32gpr_24) stw 24,-32(11) _GLOBAL(_savegpr_25) _GLOBAL(_save32gpr_25) stw 25,-28(11) _GLOBAL(_savegpr_26) _GLOBAL(_save32gpr_26) stw 26,-24(11) _GLOBAL(_savegpr_27) _GLOBAL(_save32gpr_27) stw 27,-20(11) _GLOBAL(_savegpr_28) _GLOBAL(_save32gpr_28) stw 28,-16(11) _GLOBAL(_savegpr_29) _GLOBAL(_save32gpr_29) stw 29,-12(11) _GLOBAL(_savegpr_30) _GLOBAL(_save32gpr_30) stw 30,-8(11) _GLOBAL(_savegpr_31) _GLOBAL(_save32gpr_31) stw 31,-4(11) blr /* Routines for restoring integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer restore area. */ _GLOBAL(_restgpr_14) _GLOBAL(_rest32gpr_14) lwz 14,-72(11) /* restore gp registers */ _GLOBAL(_restgpr_15) _GLOBAL(_rest32gpr_15) lwz 15,-68(11) _GLOBAL(_restgpr_16) _GLOBAL(_rest32gpr_16) lwz 16,-64(11) _GLOBAL(_restgpr_17) _GLOBAL(_rest32gpr_17) lwz 17,-60(11) _GLOBAL(_restgpr_18) _GLOBAL(_rest32gpr_18) lwz 18,-56(11) _GLOBAL(_restgpr_19) _GLOBAL(_rest32gpr_19) lwz 19,-52(11) _GLOBAL(_restgpr_20) _GLOBAL(_rest32gpr_20) lwz 20,-48(11) _GLOBAL(_restgpr_21) _GLOBAL(_rest32gpr_21) lwz 21,-44(11) _GLOBAL(_restgpr_22) _GLOBAL(_rest32gpr_22) lwz 22,-40(11) _GLOBAL(_restgpr_23) _GLOBAL(_rest32gpr_23) lwz 23,-36(11) _GLOBAL(_restgpr_24) _GLOBAL(_rest32gpr_24) lwz 24,-32(11) _GLOBAL(_restgpr_25) _GLOBAL(_rest32gpr_25) lwz 25,-28(11) _GLOBAL(_restgpr_26) _GLOBAL(_rest32gpr_26) lwz 26,-24(11) _GLOBAL(_restgpr_27) _GLOBAL(_rest32gpr_27) lwz 27,-20(11) _GLOBAL(_restgpr_28) _GLOBAL(_rest32gpr_28) lwz 28,-16(11) _GLOBAL(_restgpr_29) _GLOBAL(_rest32gpr_29) lwz 29,-12(11) _GLOBAL(_restgpr_30) _GLOBAL(_rest32gpr_30) lwz 30,-8(11) _GLOBAL(_restgpr_31) _GLOBAL(_rest32gpr_31) lwz 31,-4(11) blr /* Routines for restoring integer registers, called by the compiler. */ /* Called with r11 pointing to the stack header word of the caller of the */ /* function, just beyond the end of the integer restore area. */ _GLOBAL(_restgpr_14_x) _GLOBAL(_rest32gpr_14_x) lwz 14,-72(11) /* restore gp registers */ _GLOBAL(_restgpr_15_x) _GLOBAL(_rest32gpr_15_x) lwz 15,-68(11) _GLOBAL(_restgpr_16_x) _GLOBAL(_rest32gpr_16_x) lwz 16,-64(11) _GLOBAL(_restgpr_17_x) _GLOBAL(_rest32gpr_17_x) lwz 17,-60(11) _GLOBAL(_restgpr_18_x) _GLOBAL(_rest32gpr_18_x) lwz 18,-56(11) _GLOBAL(_restgpr_19_x) _GLOBAL(_rest32gpr_19_x) lwz 19,-52(11) _GLOBAL(_restgpr_20_x) _GLOBAL(_rest32gpr_20_x) lwz 20,-48(11) _GLOBAL(_restgpr_21_x) _GLOBAL(_rest32gpr_21_x) lwz 21,-44(11) _GLOBAL(_restgpr_22_x) _GLOBAL(_rest32gpr_22_x) lwz 22,-40(11) _GLOBAL(_restgpr_23_x) _GLOBAL(_rest32gpr_23_x) lwz 23,-36(11) _GLOBAL(_restgpr_24_x) _GLOBAL(_rest32gpr_24_x) lwz 24,-32(11) _GLOBAL(_restgpr_25_x) _GLOBAL(_rest32gpr_25_x) lwz 25,-28(11) _GLOBAL(_restgpr_26_x) _GLOBAL(_rest32gpr_26_x) lwz 26,-24(11) _GLOBAL(_restgpr_27_x) _GLOBAL(_rest32gpr_27_x) lwz 27,-20(11) _GLOBAL(_restgpr_28_x) _GLOBAL(_rest32gpr_28_x) lwz 28,-16(11) _GLOBAL(_restgpr_29_x) _GLOBAL(_rest32gpr_29_x) lwz 29,-12(11) _GLOBAL(_restgpr_30_x) _GLOBAL(_rest32gpr_30_x) lwz 30,-8(11) _GLOBAL(_restgpr_31_x) _GLOBAL(_rest32gpr_31_x) lwz 0,4(11) lwz 31,-4(11) mtlr 0 mr 1,11 blr #ifdef CONFIG_ALTIVEC /* Called with r0 pointing just beyond the end of the vector save area. */ _GLOBAL(_savevr_20) li r11,-192 stvx v20,r11,r0 _GLOBAL(_savevr_21) li r11,-176 stvx v21,r11,r0 _GLOBAL(_savevr_22) li r11,-160 stvx v22,r11,r0 _GLOBAL(_savevr_23) li r11,-144 stvx v23,r11,r0 _GLOBAL(_savevr_24) li r11,-128 stvx v24,r11,r0 _GLOBAL(_savevr_25) li r11,-112 stvx v25,r11,r0 _GLOBAL(_savevr_26) li r11,-96 stvx v26,r11,r0 _GLOBAL(_savevr_27) li r11,-80 stvx v27,r11,r0 _GLOBAL(_savevr_28) li r11,-64 stvx v28,r11,r0 _GLOBAL(_savevr_29) li r11,-48 stvx v29,r11,r0 _GLOBAL(_savevr_30) li r11,-32 stvx v30,r11,r0 _GLOBAL(_savevr_31) li r11,-16 stvx v31,r11,r0 blr _GLOBAL(_restvr_20) li r11,-192 lvx v20,r11,r0 _GLOBAL(_restvr_21) li r11,-176 lvx v21,r11,r0 _GLOBAL(_restvr_22) li r11,-160 lvx v22,r11,r0 _GLOBAL(_restvr_23) li r11,-144 lvx v23,r11,r0 _GLOBAL(_restvr_24) li r11,-128 lvx v24,r11,r0 _GLOBAL(_restvr_25) li r11,-112 lvx v25,r11,r0 _GLOBAL(_restvr_26) li r11,-96 lvx v26,r11,r0 _GLOBAL(_restvr_27) li r11,-80 lvx v27,r11,r0 _GLOBAL(_restvr_28) li r11,-64 lvx v28,r11,r0 _GLOBAL(_restvr_29) li r11,-48 lvx v29,r11,r0 _GLOBAL(_restvr_30) li r11,-32 lvx v30,r11,r0 _GLOBAL(_restvr_31) li r11,-16 lvx v31,r11,r0 blr #endif /* CONFIG_ALTIVEC */ #else /* CONFIG_PPC64 */ .section ".text.save.restore","ax",@progbits .globl _savegpr0_14 _savegpr0_14: std r14,-144(r1) .globl _savegpr0_15 _savegpr0_15: std r15,-136(r1) .globl _savegpr0_16 _savegpr0_16: std r16,-128(r1) .globl _savegpr0_17 _savegpr0_17: std r17,-120(r1) .globl _savegpr0_18 _savegpr0_18: std r18,-112(r1) .globl _savegpr0_19 _savegpr0_19: std r19,-104(r1) .globl _savegpr0_20 _savegpr0_20: std r20,-96(r1) .globl _savegpr0_21 _savegpr0_21: std r21,-88(r1) .globl _savegpr0_22 _savegpr0_22: std r22,-80(r1) .globl _savegpr0_23 _savegpr0_23: std r23,-72(r1) .globl _savegpr0_24 _savegpr0_24: std r24,-64(r1) .globl _savegpr0_25 _savegpr0_25: std r25,-56(r1) .globl _savegpr0_26 _savegpr0_26: std r26,-48(r1) .globl _savegpr0_27 _savegpr0_27: std r27,-40(r1) .globl _savegpr0_28 _savegpr0_28: std r28,-32(r1) .globl _savegpr0_29 _savegpr0_29: std r29,-24(r1) .globl _savegpr0_30 _savegpr0_30: std r30,-16(r1) .globl _savegpr0_31 _savegpr0_31: std r31,-8(r1) std r0,16(r1) blr .globl _restgpr0_14 _restgpr0_14: ld r14,-144(r1) .globl _restgpr0_15 _restgpr0_15: ld r15,-136(r1) .globl _restgpr0_16 _restgpr0_16: ld r16,-128(r1) .globl _restgpr0_17 _restgpr0_17: ld r17,-120(r1) .globl _restgpr0_18 _restgpr0_18: ld r18,-112(r1) .globl _restgpr0_19 _restgpr0_19: ld r19,-104(r1) .globl _restgpr0_20 _restgpr0_20: ld r20,-96(r1) .globl _restgpr0_21 _restgpr0_21: ld r21,-88(r1) .globl _restgpr0_22 _restgpr0_22: ld r22,-80(r1) .globl _restgpr0_23 _restgpr0_23: ld r23,-72(r1) .globl _restgpr0_24 _restgpr0_24: ld r24,-64(r1) .globl _restgpr0_25 _restgpr0_25: ld r25,-56(r1) .globl _restgpr0_26 _restgpr0_26: ld r26,-48(r1) .globl _restgpr0_27 _restgpr0_27: ld r27,-40(r1) .globl _restgpr0_28 _restgpr0_28: ld r28,-32(r1) .globl _restgpr0_29 _restgpr0_29: ld r0,16(r1) ld r29,-24(r1) mtlr r0 ld r30,-16(r1) ld r31,-8(r1) blr .globl _restgpr0_30 _restgpr0_30: ld r30,-16(r1) .globl _restgpr0_31 _restgpr0_31: ld r0,16(r1) ld r31,-8(r1) mtlr r0 blr #ifdef CONFIG_ALTIVEC /* Called with r0 pointing just beyond the end of the vector save area. */ .globl _savevr_20 _savevr_20: li r12,-192 stvx v20,r12,r0 .globl _savevr_21 _savevr_21: li r12,-176 stvx v21,r12,r0 .globl _savevr_22 _savevr_22: li r12,-160 stvx v22,r12,r0 .globl _savevr_23 _savevr_23: li r12,-144 stvx v23,r12,r0 .globl _savevr_24 _savevr_24: li r12,-128 stvx v24,r12,r0 .globl _savevr_25 _savevr_25: li r12,-112 stvx v25,r12,r0 .globl _savevr_26 _savevr_26: li r12,-96 stvx v26,r12,r0 .globl _savevr_27 _savevr_27: li r12,-80 stvx v27,r12,r0 .globl _savevr_28 _savevr_28: li r12,-64 stvx v28,r12,r0 .globl _savevr_29 _savevr_29: li r12,-48 stvx v29,r12,r0 .globl _savevr_30 _savevr_30: li r12,-32 stvx v30,r12,r0 .globl _savevr_31 _savevr_31: li r12,-16 stvx v31,r12,r0 blr .globl _restvr_20 _restvr_20: li r12,-192 lvx v20,r12,r0 .globl _restvr_21 _restvr_21: li r12,-176 lvx v21,r12,r0 .globl _restvr_22 _restvr_22: li r12,-160 lvx v22,r12,r0 .globl _restvr_23 _restvr_23: li r12,-144 lvx v23,r12,r0 .globl _restvr_24 _restvr_24: li r12,-128 lvx v24,r12,r0 .globl _restvr_25 _restvr_25: li r12,-112 lvx v25,r12,r0 .globl _restvr_26 _restvr_26: li r12,-96 lvx v26,r12,r0 .globl _restvr_27 _restvr_27: li r12,-80 lvx v27,r12,r0 .globl _restvr_28 _restvr_28: li r12,-64 lvx v28,r12,r0 .globl _restvr_29 _restvr_29: li r12,-48 lvx v29,r12,r0 .globl _restvr_30 _restvr_30: li r12,-32 lvx v30,r12,r0 .globl _restvr_31 _restvr_31: li r12,-16 lvx v31,r12,r0 blr #endif /* CONFIG_ALTIVEC */ #endif /* CONFIG_PPC64 */ #endif |