| 1 | //===-------------------- UnwindRegistersRestore.S ------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "assembly.h" |
| 10 | |
| 11 | .text |
| 12 | |
| 13 | #if !defined(__USING_SJLJ_EXCEPTIONS__) |
| 14 | |
| 15 | #if defined(__i386__) |
| 16 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_x866jumptoEv) |
| 17 | # |
| 18 | # void libunwind::Registers_x86::jumpto() |
| 19 | # |
| 20 | #if defined(_WIN32) |
| 21 | # On windows, the 'this' pointer is passed in ecx instead of on the stack |
| 22 | movl %ecx, %eax |
| 23 | #else |
| 24 | # On entry: |
| 25 | # + + |
| 26 | # +-----------------------+ |
| 27 | # + thread_state pointer + |
| 28 | # +-----------------------+ |
| 29 | # + return address + |
| 30 | # +-----------------------+ <-- SP |
| 31 | # + + |
| 32 | movl 4(%esp), %eax |
| 33 | #endif |
| 34 | # set up eax and ret on new stack location |
| 35 | movl 28(%eax), %edx # edx holds new stack pointer |
| 36 | subl $8,%edx |
| 37 | movl %edx, 28(%eax) |
| 38 | movl 0(%eax), %ebx |
| 39 | movl %ebx, 0(%edx) |
| 40 | movl 40(%eax), %ebx |
| 41 | movl %ebx, 4(%edx) |
| 42 | # we now have ret and eax pushed onto where new stack will be |
| 43 | # restore all registers |
| 44 | movl 4(%eax), %ebx |
| 45 | movl 8(%eax), %ecx |
| 46 | movl 12(%eax), %edx |
| 47 | movl 16(%eax), %edi |
| 48 | movl 20(%eax), %esi |
| 49 | movl 24(%eax), %ebp |
| 50 | movl 28(%eax), %esp |
| 51 | # skip ss |
| 52 | # skip eflags |
| 53 | pop %eax # eax was already pushed on new stack |
| 54 | ret # eip was already pushed on new stack |
| 55 | # skip cs |
| 56 | # skip ds |
| 57 | # skip es |
| 58 | # skip fs |
| 59 | # skip gs |
| 60 | |
| 61 | #elif defined(__x86_64__) |
| 62 | |
| 63 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind16Registers_x86_646jumptoEv) |
| 64 | # |
| 65 | # void libunwind::Registers_x86_64::jumpto() |
| 66 | # |
| 67 | #if defined(_WIN64) |
| 68 | # On entry, thread_state pointer is in rcx; move it into rdi |
| 69 | # to share restore code below. Since this routine restores and |
| 70 | # overwrites all registers, we can use the same registers for |
| 71 | # pointers and temporaries as on unix even though win64 normally |
| 72 | # mustn't clobber some of them. |
| 73 | movq %rcx, %rdi |
| 74 | #else |
| 75 | # On entry, thread_state pointer is in rdi |
| 76 | #endif |
| 77 | |
| 78 | movq 56(%rdi), %rax # rax holds new stack pointer |
| 79 | subq $16, %rax |
| 80 | movq %rax, 56(%rdi) |
| 81 | movq 32(%rdi), %rbx # store new rdi on new stack |
| 82 | movq %rbx, 0(%rax) |
| 83 | movq 128(%rdi), %rbx # store new rip on new stack |
| 84 | movq %rbx, 8(%rax) |
| 85 | # restore all registers |
| 86 | movq 0(%rdi), %rax |
| 87 | movq 8(%rdi), %rbx |
| 88 | movq 16(%rdi), %rcx |
| 89 | movq 24(%rdi), %rdx |
| 90 | # restore rdi later |
| 91 | movq 40(%rdi), %rsi |
| 92 | movq 48(%rdi), %rbp |
| 93 | # restore rsp later |
| 94 | movq 64(%rdi), %r8 |
| 95 | movq 72(%rdi), %r9 |
| 96 | movq 80(%rdi), %r10 |
| 97 | movq 88(%rdi), %r11 |
| 98 | movq 96(%rdi), %r12 |
| 99 | movq 104(%rdi), %r13 |
| 100 | movq 112(%rdi), %r14 |
| 101 | movq 120(%rdi), %r15 |
| 102 | # skip rflags |
| 103 | # skip cs |
| 104 | # skip fs |
| 105 | # skip gs |
| 106 | |
| 107 | #if defined(_WIN64) |
| 108 | movdqu 176(%rdi),%xmm0 |
| 109 | movdqu 192(%rdi),%xmm1 |
| 110 | movdqu 208(%rdi),%xmm2 |
| 111 | movdqu 224(%rdi),%xmm3 |
| 112 | movdqu 240(%rdi),%xmm4 |
| 113 | movdqu 256(%rdi),%xmm5 |
| 114 | movdqu 272(%rdi),%xmm6 |
| 115 | movdqu 288(%rdi),%xmm7 |
| 116 | movdqu 304(%rdi),%xmm8 |
| 117 | movdqu 320(%rdi),%xmm9 |
| 118 | movdqu 336(%rdi),%xmm10 |
| 119 | movdqu 352(%rdi),%xmm11 |
| 120 | movdqu 368(%rdi),%xmm12 |
| 121 | movdqu 384(%rdi),%xmm13 |
| 122 | movdqu 400(%rdi),%xmm14 |
| 123 | movdqu 416(%rdi),%xmm15 |
| 124 | #endif |
| 125 | movq 56(%rdi), %rsp # cut back rsp to new location |
| 126 | pop %rdi # rdi was saved here earlier |
| 127 | ret # rip was saved here |
| 128 | |
| 129 | |
| 130 | #elif defined(__powerpc64__) |
| 131 | |
| 132 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind15Registers_ppc646jumptoEv) |
| 133 | // |
| 134 | // void libunwind::Registers_ppc64::jumpto() |
| 135 | // |
| 136 | // On entry: |
| 137 | // thread_state pointer is in r3 |
| 138 | // |
| 139 | |
| 140 | // load register (GPR) |
| 141 | #define PPC64_LR(n) \ |
| 142 | ld %r##n, (8 * (n + 2))(%r3) |
| 143 | |
| 144 | // restore integral registers |
| 145 | // skip r0 for now |
| 146 | // skip r1 for now |
| 147 | PPC64_LR(2) |
| 148 | // skip r3 for now |
| 149 | // skip r4 for now |
| 150 | // skip r5 for now |
| 151 | PPC64_LR(6) |
| 152 | PPC64_LR(7) |
| 153 | PPC64_LR(8) |
| 154 | PPC64_LR(9) |
| 155 | PPC64_LR(10) |
| 156 | PPC64_LR(11) |
| 157 | PPC64_LR(12) |
| 158 | PPC64_LR(13) |
| 159 | PPC64_LR(14) |
| 160 | PPC64_LR(15) |
| 161 | PPC64_LR(16) |
| 162 | PPC64_LR(17) |
| 163 | PPC64_LR(18) |
| 164 | PPC64_LR(19) |
| 165 | PPC64_LR(20) |
| 166 | PPC64_LR(21) |
| 167 | PPC64_LR(22) |
| 168 | PPC64_LR(23) |
| 169 | PPC64_LR(24) |
| 170 | PPC64_LR(25) |
| 171 | PPC64_LR(26) |
| 172 | PPC64_LR(27) |
| 173 | PPC64_LR(28) |
| 174 | PPC64_LR(29) |
| 175 | PPC64_LR(30) |
| 176 | PPC64_LR(31) |
| 177 | |
| 178 | #ifdef PPC64_HAS_VMX |
| 179 | |
| 180 | // restore VS registers |
| 181 | // (note that this also restores floating point registers and V registers, |
| 182 | // because part of VS is mapped to these registers) |
| 183 | |
| 184 | addi %r4, %r3, PPC64_OFFS_FP |
| 185 | |
| 186 | // load VS register |
| 187 | #define PPC64_LVS(n) \ |
| 188 | lxvd2x %vs##n, 0, %r4 ;\ |
| 189 | addi %r4, %r4, 16 |
| 190 | |
| 191 | // restore the first 32 VS regs (and also all floating point regs) |
| 192 | PPC64_LVS(0) |
| 193 | PPC64_LVS(1) |
| 194 | PPC64_LVS(2) |
| 195 | PPC64_LVS(3) |
| 196 | PPC64_LVS(4) |
| 197 | PPC64_LVS(5) |
| 198 | PPC64_LVS(6) |
| 199 | PPC64_LVS(7) |
| 200 | PPC64_LVS(8) |
| 201 | PPC64_LVS(9) |
| 202 | PPC64_LVS(10) |
| 203 | PPC64_LVS(11) |
| 204 | PPC64_LVS(12) |
| 205 | PPC64_LVS(13) |
| 206 | PPC64_LVS(14) |
| 207 | PPC64_LVS(15) |
| 208 | PPC64_LVS(16) |
| 209 | PPC64_LVS(17) |
| 210 | PPC64_LVS(18) |
| 211 | PPC64_LVS(19) |
| 212 | PPC64_LVS(20) |
| 213 | PPC64_LVS(21) |
| 214 | PPC64_LVS(22) |
| 215 | PPC64_LVS(23) |
| 216 | PPC64_LVS(24) |
| 217 | PPC64_LVS(25) |
| 218 | PPC64_LVS(26) |
| 219 | PPC64_LVS(27) |
| 220 | PPC64_LVS(28) |
| 221 | PPC64_LVS(29) |
| 222 | PPC64_LVS(30) |
| 223 | PPC64_LVS(31) |
| 224 | |
| 225 | // use VRSAVE to conditionally restore the remaining VS regs, |
| 226 | // that are where the V regs are mapped |
| 227 | |
| 228 | ld %r5, PPC64_OFFS_VRSAVE(%r3) // test VRsave |
| 229 | cmpwi %r5, 0 |
| 230 | beq Lnovec |
| 231 | |
| 232 | // conditionally load VS |
| 233 | #define PPC64_CLVS_BOTTOM(n) \ |
| 234 | beq Ldone##n ;\ |
| 235 | addi %r4, %r3, PPC64_OFFS_FP + n * 16 ;\ |
| 236 | lxvd2x %vs##n, 0, %r4 ;\ |
| 237 | Ldone##n: |
| 238 | |
| 239 | #define PPC64_CLVSl(n) \ |
| 240 | andis. %r0, %r5, (1<<(47-n)) ;\ |
| 241 | PPC64_CLVS_BOTTOM(n) |
| 242 | |
| 243 | #define PPC64_CLVSh(n) \ |
| 244 | andi. %r0, %r5, (1<<(63-n)) ;\ |
| 245 | PPC64_CLVS_BOTTOM(n) |
| 246 | |
| 247 | PPC64_CLVSl(32) |
| 248 | PPC64_CLVSl(33) |
| 249 | PPC64_CLVSl(34) |
| 250 | PPC64_CLVSl(35) |
| 251 | PPC64_CLVSl(36) |
| 252 | PPC64_CLVSl(37) |
| 253 | PPC64_CLVSl(38) |
| 254 | PPC64_CLVSl(39) |
| 255 | PPC64_CLVSl(40) |
| 256 | PPC64_CLVSl(41) |
| 257 | PPC64_CLVSl(42) |
| 258 | PPC64_CLVSl(43) |
| 259 | PPC64_CLVSl(44) |
| 260 | PPC64_CLVSl(45) |
| 261 | PPC64_CLVSl(46) |
| 262 | PPC64_CLVSl(47) |
| 263 | PPC64_CLVSh(48) |
| 264 | PPC64_CLVSh(49) |
| 265 | PPC64_CLVSh(50) |
| 266 | PPC64_CLVSh(51) |
| 267 | PPC64_CLVSh(52) |
| 268 | PPC64_CLVSh(53) |
| 269 | PPC64_CLVSh(54) |
| 270 | PPC64_CLVSh(55) |
| 271 | PPC64_CLVSh(56) |
| 272 | PPC64_CLVSh(57) |
| 273 | PPC64_CLVSh(58) |
| 274 | PPC64_CLVSh(59) |
| 275 | PPC64_CLVSh(60) |
| 276 | PPC64_CLVSh(61) |
| 277 | PPC64_CLVSh(62) |
| 278 | PPC64_CLVSh(63) |
| 279 | |
| 280 | #else |
| 281 | |
| 282 | // load FP register |
| 283 | #define PPC64_LF(n) \ |
| 284 | lfd %f##n, (PPC64_OFFS_FP + n * 16)(%r3) |
| 285 | |
| 286 | // restore float registers |
| 287 | PPC64_LF(0) |
| 288 | PPC64_LF(1) |
| 289 | PPC64_LF(2) |
| 290 | PPC64_LF(3) |
| 291 | PPC64_LF(4) |
| 292 | PPC64_LF(5) |
| 293 | PPC64_LF(6) |
| 294 | PPC64_LF(7) |
| 295 | PPC64_LF(8) |
| 296 | PPC64_LF(9) |
| 297 | PPC64_LF(10) |
| 298 | PPC64_LF(11) |
| 299 | PPC64_LF(12) |
| 300 | PPC64_LF(13) |
| 301 | PPC64_LF(14) |
| 302 | PPC64_LF(15) |
| 303 | PPC64_LF(16) |
| 304 | PPC64_LF(17) |
| 305 | PPC64_LF(18) |
| 306 | PPC64_LF(19) |
| 307 | PPC64_LF(20) |
| 308 | PPC64_LF(21) |
| 309 | PPC64_LF(22) |
| 310 | PPC64_LF(23) |
| 311 | PPC64_LF(24) |
| 312 | PPC64_LF(25) |
| 313 | PPC64_LF(26) |
| 314 | PPC64_LF(27) |
| 315 | PPC64_LF(28) |
| 316 | PPC64_LF(29) |
| 317 | PPC64_LF(30) |
| 318 | PPC64_LF(31) |
| 319 | |
| 320 | // restore vector registers if any are in use |
| 321 | ld %r5, PPC64_OFFS_VRSAVE(%r3) // test VRsave |
| 322 | cmpwi %r5, 0 |
| 323 | beq Lnovec |
| 324 | |
| 325 | subi %r4, %r1, 16 |
| 326 | // r4 is now a 16-byte aligned pointer into the red zone |
| 327 | // the _vectorScalarRegisters may not be 16-byte aligned |
| 328 | // so copy via red zone temp buffer |
| 329 | |
| 330 | #define PPC64_CLV_UNALIGNED_BOTTOM(n) \ |
| 331 | beq Ldone##n ;\ |
| 332 | ld %r0, (PPC64_OFFS_V + n * 16)(%r3) ;\ |
| 333 | std %r0, 0(%r4) ;\ |
| 334 | ld %r0, (PPC64_OFFS_V + n * 16 + 8)(%r3) ;\ |
| 335 | std %r0, 8(%r4) ;\ |
| 336 | lvx %v##n, 0, %r4 ;\ |
| 337 | Ldone ## n: |
| 338 | |
| 339 | #define PPC64_CLV_UNALIGNEDl(n) \ |
| 340 | andis. %r0, %r5, (1<<(15-n)) ;\ |
| 341 | PPC64_CLV_UNALIGNED_BOTTOM(n) |
| 342 | |
| 343 | #define PPC64_CLV_UNALIGNEDh(n) \ |
| 344 | andi. %r0, %r5, (1<<(31-n)) ;\ |
| 345 | PPC64_CLV_UNALIGNED_BOTTOM(n) |
| 346 | |
| 347 | PPC64_CLV_UNALIGNEDl(0) |
| 348 | PPC64_CLV_UNALIGNEDl(1) |
| 349 | PPC64_CLV_UNALIGNEDl(2) |
| 350 | PPC64_CLV_UNALIGNEDl(3) |
| 351 | PPC64_CLV_UNALIGNEDl(4) |
| 352 | PPC64_CLV_UNALIGNEDl(5) |
| 353 | PPC64_CLV_UNALIGNEDl(6) |
| 354 | PPC64_CLV_UNALIGNEDl(7) |
| 355 | PPC64_CLV_UNALIGNEDl(8) |
| 356 | PPC64_CLV_UNALIGNEDl(9) |
| 357 | PPC64_CLV_UNALIGNEDl(10) |
| 358 | PPC64_CLV_UNALIGNEDl(11) |
| 359 | PPC64_CLV_UNALIGNEDl(12) |
| 360 | PPC64_CLV_UNALIGNEDl(13) |
| 361 | PPC64_CLV_UNALIGNEDl(14) |
| 362 | PPC64_CLV_UNALIGNEDl(15) |
| 363 | PPC64_CLV_UNALIGNEDh(16) |
| 364 | PPC64_CLV_UNALIGNEDh(17) |
| 365 | PPC64_CLV_UNALIGNEDh(18) |
| 366 | PPC64_CLV_UNALIGNEDh(19) |
| 367 | PPC64_CLV_UNALIGNEDh(20) |
| 368 | PPC64_CLV_UNALIGNEDh(21) |
| 369 | PPC64_CLV_UNALIGNEDh(22) |
| 370 | PPC64_CLV_UNALIGNEDh(23) |
| 371 | PPC64_CLV_UNALIGNEDh(24) |
| 372 | PPC64_CLV_UNALIGNEDh(25) |
| 373 | PPC64_CLV_UNALIGNEDh(26) |
| 374 | PPC64_CLV_UNALIGNEDh(27) |
| 375 | PPC64_CLV_UNALIGNEDh(28) |
| 376 | PPC64_CLV_UNALIGNEDh(29) |
| 377 | PPC64_CLV_UNALIGNEDh(30) |
| 378 | PPC64_CLV_UNALIGNEDh(31) |
| 379 | |
| 380 | #endif |
| 381 | |
| 382 | Lnovec: |
| 383 | ld %r0, PPC64_OFFS_CR(%r3) |
| 384 | mtcr %r0 |
| 385 | ld %r0, PPC64_OFFS_SRR0(%r3) |
| 386 | mtctr %r0 |
| 387 | |
| 388 | PPC64_LR(0) |
| 389 | PPC64_LR(5) |
| 390 | PPC64_LR(4) |
| 391 | PPC64_LR(1) |
| 392 | PPC64_LR(3) |
| 393 | bctr |
| 394 | |
| 395 | #elif defined(__ppc__) |
| 396 | |
| 397 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_ppc6jumptoEv) |
| 398 | ; |
| 399 | ; void libunwind::Registers_ppc::jumpto() |
| 400 | ; |
| 401 | ; On entry: |
| 402 | ; thread_state pointer is in r3 |
| 403 | ; |
| 404 | |
| 405 | ; restore integral registerrs |
| 406 | ; skip r0 for now |
| 407 | ; skip r1 for now |
| 408 | lwz r2, 16(r3) |
| 409 | ; skip r3 for now |
| 410 | ; skip r4 for now |
| 411 | ; skip r5 for now |
| 412 | lwz r6, 32(r3) |
| 413 | lwz r7, 36(r3) |
| 414 | lwz r8, 40(r3) |
| 415 | lwz r9, 44(r3) |
| 416 | lwz r10, 48(r3) |
| 417 | lwz r11, 52(r3) |
| 418 | lwz r12, 56(r3) |
| 419 | lwz r13, 60(r3) |
| 420 | lwz r14, 64(r3) |
| 421 | lwz r15, 68(r3) |
| 422 | lwz r16, 72(r3) |
| 423 | lwz r17, 76(r3) |
| 424 | lwz r18, 80(r3) |
| 425 | lwz r19, 84(r3) |
| 426 | lwz r20, 88(r3) |
| 427 | lwz r21, 92(r3) |
| 428 | lwz r22, 96(r3) |
| 429 | lwz r23,100(r3) |
| 430 | lwz r24,104(r3) |
| 431 | lwz r25,108(r3) |
| 432 | lwz r26,112(r3) |
| 433 | lwz r27,116(r3) |
| 434 | lwz r28,120(r3) |
| 435 | lwz r29,124(r3) |
| 436 | lwz r30,128(r3) |
| 437 | lwz r31,132(r3) |
| 438 | |
| 439 | ; restore float registers |
| 440 | lfd f0, 160(r3) |
| 441 | lfd f1, 168(r3) |
| 442 | lfd f2, 176(r3) |
| 443 | lfd f3, 184(r3) |
| 444 | lfd f4, 192(r3) |
| 445 | lfd f5, 200(r3) |
| 446 | lfd f6, 208(r3) |
| 447 | lfd f7, 216(r3) |
| 448 | lfd f8, 224(r3) |
| 449 | lfd f9, 232(r3) |
| 450 | lfd f10,240(r3) |
| 451 | lfd f11,248(r3) |
| 452 | lfd f12,256(r3) |
| 453 | lfd f13,264(r3) |
| 454 | lfd f14,272(r3) |
| 455 | lfd f15,280(r3) |
| 456 | lfd f16,288(r3) |
| 457 | lfd f17,296(r3) |
| 458 | lfd f18,304(r3) |
| 459 | lfd f19,312(r3) |
| 460 | lfd f20,320(r3) |
| 461 | lfd f21,328(r3) |
| 462 | lfd f22,336(r3) |
| 463 | lfd f23,344(r3) |
| 464 | lfd f24,352(r3) |
| 465 | lfd f25,360(r3) |
| 466 | lfd f26,368(r3) |
| 467 | lfd f27,376(r3) |
| 468 | lfd f28,384(r3) |
| 469 | lfd f29,392(r3) |
| 470 | lfd f30,400(r3) |
| 471 | lfd f31,408(r3) |
| 472 | |
| 473 | ; restore vector registers if any are in use |
| 474 | lwz r5,156(r3) ; test VRsave |
| 475 | cmpwi r5,0 |
| 476 | beq Lnovec |
| 477 | |
| 478 | subi r4,r1,16 |
| 479 | rlwinm r4,r4,0,0,27 ; mask low 4-bits |
| 480 | ; r4 is now a 16-byte aligned pointer into the red zone |
| 481 | ; the _vectorRegisters may not be 16-byte aligned so copy via red zone temp buffer |
| 482 | |
| 483 | |
| 484 | #define LOAD_VECTOR_UNALIGNEDl(_index) \ |
| 485 | andis. r0,r5,(1<<(15-_index)) @\ |
| 486 | beq Ldone ## _index @\ |
| 487 | lwz r0, 424+_index*16(r3) @\ |
| 488 | stw r0, 0(r4) @\ |
| 489 | lwz r0, 424+_index*16+4(r3) @\ |
| 490 | stw r0, 4(r4) @\ |
| 491 | lwz r0, 424+_index*16+8(r3) @\ |
| 492 | stw r0, 8(r4) @\ |
| 493 | lwz r0, 424+_index*16+12(r3)@\ |
| 494 | stw r0, 12(r4) @\ |
| 495 | lvx v ## _index,0,r4 @\ |
| 496 | Ldone ## _index: |
| 497 | |
| 498 | #define LOAD_VECTOR_UNALIGNEDh(_index) \ |
| 499 | andi. r0,r5,(1<<(31-_index)) @\ |
| 500 | beq Ldone ## _index @\ |
| 501 | lwz r0, 424+_index*16(r3) @\ |
| 502 | stw r0, 0(r4) @\ |
| 503 | lwz r0, 424+_index*16+4(r3) @\ |
| 504 | stw r0, 4(r4) @\ |
| 505 | lwz r0, 424+_index*16+8(r3) @\ |
| 506 | stw r0, 8(r4) @\ |
| 507 | lwz r0, 424+_index*16+12(r3)@\ |
| 508 | stw r0, 12(r4) @\ |
| 509 | lvx v ## _index,0,r4 @\ |
| 510 | Ldone ## _index: |
| 511 | |
| 512 | |
| 513 | LOAD_VECTOR_UNALIGNEDl(0) |
| 514 | LOAD_VECTOR_UNALIGNEDl(1) |
| 515 | LOAD_VECTOR_UNALIGNEDl(2) |
| 516 | LOAD_VECTOR_UNALIGNEDl(3) |
| 517 | LOAD_VECTOR_UNALIGNEDl(4) |
| 518 | LOAD_VECTOR_UNALIGNEDl(5) |
| 519 | LOAD_VECTOR_UNALIGNEDl(6) |
| 520 | LOAD_VECTOR_UNALIGNEDl(7) |
| 521 | LOAD_VECTOR_UNALIGNEDl(8) |
| 522 | LOAD_VECTOR_UNALIGNEDl(9) |
| 523 | LOAD_VECTOR_UNALIGNEDl(10) |
| 524 | LOAD_VECTOR_UNALIGNEDl(11) |
| 525 | LOAD_VECTOR_UNALIGNEDl(12) |
| 526 | LOAD_VECTOR_UNALIGNEDl(13) |
| 527 | LOAD_VECTOR_UNALIGNEDl(14) |
| 528 | LOAD_VECTOR_UNALIGNEDl(15) |
| 529 | LOAD_VECTOR_UNALIGNEDh(16) |
| 530 | LOAD_VECTOR_UNALIGNEDh(17) |
| 531 | LOAD_VECTOR_UNALIGNEDh(18) |
| 532 | LOAD_VECTOR_UNALIGNEDh(19) |
| 533 | LOAD_VECTOR_UNALIGNEDh(20) |
| 534 | LOAD_VECTOR_UNALIGNEDh(21) |
| 535 | LOAD_VECTOR_UNALIGNEDh(22) |
| 536 | LOAD_VECTOR_UNALIGNEDh(23) |
| 537 | LOAD_VECTOR_UNALIGNEDh(24) |
| 538 | LOAD_VECTOR_UNALIGNEDh(25) |
| 539 | LOAD_VECTOR_UNALIGNEDh(26) |
| 540 | LOAD_VECTOR_UNALIGNEDh(27) |
| 541 | LOAD_VECTOR_UNALIGNEDh(28) |
| 542 | LOAD_VECTOR_UNALIGNEDh(29) |
| 543 | LOAD_VECTOR_UNALIGNEDh(30) |
| 544 | LOAD_VECTOR_UNALIGNEDh(31) |
| 545 | |
| 546 | Lnovec: |
| 547 | lwz r0, 136(r3) ; __cr |
| 548 | mtocrf 255,r0 |
| 549 | lwz r0, 148(r3) ; __ctr |
| 550 | mtctr r0 |
| 551 | lwz r0, 0(r3) ; __ssr0 |
| 552 | mtctr r0 |
| 553 | lwz r0, 8(r3) ; do r0 now |
| 554 | lwz r5,28(r3) ; do r5 now |
| 555 | lwz r4,24(r3) ; do r4 now |
| 556 | lwz r1,12(r3) ; do sp now |
| 557 | lwz r3,20(r3) ; do r3 last |
| 558 | bctr |
| 559 | |
| 560 | #elif defined(__arm64__) || defined(__aarch64__) |
| 561 | |
| 562 | // |
| 563 | // void libunwind::Registers_arm64::jumpto() |
| 564 | // |
| 565 | // On entry: |
| 566 | // thread_state pointer is in x0 |
| 567 | // |
| 568 | .p2align 2 |
| 569 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind15Registers_arm646jumptoEv) |
| 570 | // skip restore of x0,x1 for now |
| 571 | ldp x2, x3, [x0, #0x010] |
| 572 | ldp x4, x5, [x0, #0x020] |
| 573 | ldp x6, x7, [x0, #0x030] |
| 574 | ldp x8, x9, [x0, #0x040] |
| 575 | ldp x10,x11, [x0, #0x050] |
| 576 | ldp x12,x13, [x0, #0x060] |
| 577 | ldp x14,x15, [x0, #0x070] |
| 578 | ldp x16,x17, [x0, #0x080] |
| 579 | ldp x18,x19, [x0, #0x090] |
| 580 | ldp x20,x21, [x0, #0x0A0] |
| 581 | ldp x22,x23, [x0, #0x0B0] |
| 582 | ldp x24,x25, [x0, #0x0C0] |
| 583 | ldp x26,x27, [x0, #0x0D0] |
| 584 | ldp x28,x29, [x0, #0x0E0] |
| 585 | ldr x30, [x0, #0x100] // restore pc into lr |
| 586 | ldr x1, [x0, #0x0F8] |
| 587 | mov sp,x1 // restore sp |
| 588 | |
| 589 | ldp d0, d1, [x0, #0x110] |
| 590 | ldp d2, d3, [x0, #0x120] |
| 591 | ldp d4, d5, [x0, #0x130] |
| 592 | ldp d6, d7, [x0, #0x140] |
| 593 | ldp d8, d9, [x0, #0x150] |
| 594 | ldp d10,d11, [x0, #0x160] |
| 595 | ldp d12,d13, [x0, #0x170] |
| 596 | ldp d14,d15, [x0, #0x180] |
| 597 | ldp d16,d17, [x0, #0x190] |
| 598 | ldp d18,d19, [x0, #0x1A0] |
| 599 | ldp d20,d21, [x0, #0x1B0] |
| 600 | ldp d22,d23, [x0, #0x1C0] |
| 601 | ldp d24,d25, [x0, #0x1D0] |
| 602 | ldp d26,d27, [x0, #0x1E0] |
| 603 | ldp d28,d29, [x0, #0x1F0] |
| 604 | ldr d30, [x0, #0x200] |
| 605 | ldr d31, [x0, #0x208] |
| 606 | |
| 607 | ldp x0, x1, [x0, #0x000] // restore x0,x1 |
| 608 | ret x30 // jump to pc |
| 609 | |
| 610 | #elif defined(__arm__) && !defined(__APPLE__) |
| 611 | |
| 612 | #if !defined(__ARM_ARCH_ISA_ARM) |
| 613 | .thumb |
| 614 | #endif |
| 615 | |
| 616 | @ |
| 617 | @ void libunwind::Registers_arm::restoreCoreAndJumpTo() |
| 618 | @ |
| 619 | @ On entry: |
| 620 | @ thread_state pointer is in r0 |
| 621 | @ |
| 622 | .p2align 2 |
| 623 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm20restoreCoreAndJumpToEv) |
| 624 | #if !defined(__ARM_ARCH_ISA_ARM) && __ARM_ARCH_ISA_THUMB == 1 |
| 625 | @ r8-r11: ldm into r1-r4, then mov to r8-r11 |
| 626 | adds r0, #0x20 |
| 627 | ldm r0!, {r1-r4} |
| 628 | subs r0, #0x30 |
| 629 | mov r8, r1 |
| 630 | mov r9, r2 |
| 631 | mov r10, r3 |
| 632 | mov r11, r4 |
| 633 | @ r12 does not need loading, it it the intra-procedure-call scratch register |
| 634 | ldr r2, [r0, #0x34] |
| 635 | ldr r3, [r0, #0x3c] |
| 636 | mov sp, r2 |
| 637 | mov lr, r3 @ restore pc into lr |
| 638 | ldm r0, {r0-r7} |
| 639 | #else |
| 640 | @ Use lr as base so that r0 can be restored. |
| 641 | mov lr, r0 |
| 642 | @ 32bit thumb-2 restrictions for ldm: |
| 643 | @ . the sp (r13) cannot be in the list |
| 644 | @ . the pc (r15) and lr (r14) cannot both be in the list in an LDM instruction |
| 645 | ldm lr, {r0-r12} |
| 646 | ldr sp, [lr, #52] |
| 647 | ldr lr, [lr, #60] @ restore pc into lr |
| 648 | #endif |
| 649 | JMP(lr) |
| 650 | |
| 651 | @ |
| 652 | @ static void libunwind::Registers_arm::restoreVFPWithFLDMD(unw_fpreg_t* values) |
| 653 | @ |
| 654 | @ On entry: |
| 655 | @ values pointer is in r0 |
| 656 | @ |
| 657 | .p2align 2 |
| 658 | #if defined(__ELF__) |
| 659 | .fpu vfpv3-d16 |
| 660 | #endif |
| 661 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm19restoreVFPWithFLDMDEPv) |
| 662 | @ VFP and iwMMX instructions are only available when compiling with the flags |
| 663 | @ that enable them. We do not want to do that in the library (because we do not |
| 664 | @ want the compiler to generate instructions that access those) but this is |
| 665 | @ only accessed if the personality routine needs these registers. Use of |
| 666 | @ these registers implies they are, actually, available on the target, so |
| 667 | @ it's ok to execute. |
| 668 | @ So, generate the instruction using the corresponding coprocessor mnemonic. |
| 669 | vldmia r0, {d0-d15} |
| 670 | JMP(lr) |
| 671 | |
| 672 | @ |
| 673 | @ static void libunwind::Registers_arm::restoreVFPWithFLDMX(unw_fpreg_t* values) |
| 674 | @ |
| 675 | @ On entry: |
| 676 | @ values pointer is in r0 |
| 677 | @ |
| 678 | .p2align 2 |
| 679 | #if defined(__ELF__) |
| 680 | .fpu vfpv3-d16 |
| 681 | #endif |
| 682 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm19restoreVFPWithFLDMXEPv) |
| 683 | vldmia r0, {d0-d15} @ fldmiax is deprecated in ARMv7+ and now behaves like vldmia |
| 684 | JMP(lr) |
| 685 | |
| 686 | @ |
| 687 | @ static void libunwind::Registers_arm::restoreVFPv3(unw_fpreg_t* values) |
| 688 | @ |
| 689 | @ On entry: |
| 690 | @ values pointer is in r0 |
| 691 | @ |
| 692 | .p2align 2 |
| 693 | #if defined(__ELF__) |
| 694 | .fpu vfpv3 |
| 695 | #endif |
| 696 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm12restoreVFPv3EPv) |
| 697 | vldmia r0, {d16-d31} |
| 698 | JMP(lr) |
| 699 | |
| 700 | #if defined(__ARM_WMMX) |
| 701 | |
| 702 | @ |
| 703 | @ static void libunwind::Registers_arm::restoreiWMMX(unw_fpreg_t* values) |
| 704 | @ |
| 705 | @ On entry: |
| 706 | @ values pointer is in r0 |
| 707 | @ |
| 708 | .p2align 2 |
| 709 | #if defined(__ELF__) |
| 710 | .arch armv5te |
| 711 | #endif |
| 712 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm12restoreiWMMXEPv) |
| 713 | ldcl p1, cr0, [r0], #8 @ wldrd wR0, [r0], #8 |
| 714 | ldcl p1, cr1, [r0], #8 @ wldrd wR1, [r0], #8 |
| 715 | ldcl p1, cr2, [r0], #8 @ wldrd wR2, [r0], #8 |
| 716 | ldcl p1, cr3, [r0], #8 @ wldrd wR3, [r0], #8 |
| 717 | ldcl p1, cr4, [r0], #8 @ wldrd wR4, [r0], #8 |
| 718 | ldcl p1, cr5, [r0], #8 @ wldrd wR5, [r0], #8 |
| 719 | ldcl p1, cr6, [r0], #8 @ wldrd wR6, [r0], #8 |
| 720 | ldcl p1, cr7, [r0], #8 @ wldrd wR7, [r0], #8 |
| 721 | ldcl p1, cr8, [r0], #8 @ wldrd wR8, [r0], #8 |
| 722 | ldcl p1, cr9, [r0], #8 @ wldrd wR9, [r0], #8 |
| 723 | ldcl p1, cr10, [r0], #8 @ wldrd wR10, [r0], #8 |
| 724 | ldcl p1, cr11, [r0], #8 @ wldrd wR11, [r0], #8 |
| 725 | ldcl p1, cr12, [r0], #8 @ wldrd wR12, [r0], #8 |
| 726 | ldcl p1, cr13, [r0], #8 @ wldrd wR13, [r0], #8 |
| 727 | ldcl p1, cr14, [r0], #8 @ wldrd wR14, [r0], #8 |
| 728 | ldcl p1, cr15, [r0], #8 @ wldrd wR15, [r0], #8 |
| 729 | JMP(lr) |
| 730 | |
| 731 | @ |
| 732 | @ static void libunwind::Registers_arm::restoreiWMMXControl(unw_uint32_t* values) |
| 733 | @ |
| 734 | @ On entry: |
| 735 | @ values pointer is in r0 |
| 736 | @ |
| 737 | .p2align 2 |
| 738 | #if defined(__ELF__) |
| 739 | .arch armv5te |
| 740 | #endif |
| 741 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind13Registers_arm19restoreiWMMXControlEPj) |
| 742 | ldc2 p1, cr8, [r0], #4 @ wldrw wCGR0, [r0], #4 |
| 743 | ldc2 p1, cr9, [r0], #4 @ wldrw wCGR1, [r0], #4 |
| 744 | ldc2 p1, cr10, [r0], #4 @ wldrw wCGR2, [r0], #4 |
| 745 | ldc2 p1, cr11, [r0], #4 @ wldrw wCGR3, [r0], #4 |
| 746 | JMP(lr) |
| 747 | |
| 748 | #endif |
| 749 | |
| 750 | #elif defined(__or1k__) |
| 751 | |
| 752 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind14Registers_or1k6jumptoEv) |
| 753 | # |
| 754 | # void libunwind::Registers_or1k::jumpto() |
| 755 | # |
| 756 | # On entry: |
| 757 | # thread_state pointer is in r3 |
| 758 | # |
| 759 | |
| 760 | # restore integral registers |
| 761 | l.lwz r0, 0(r3) |
| 762 | l.lwz r1, 4(r3) |
| 763 | l.lwz r2, 8(r3) |
| 764 | # skip r3 for now |
| 765 | l.lwz r4, 16(r3) |
| 766 | l.lwz r5, 20(r3) |
| 767 | l.lwz r6, 24(r3) |
| 768 | l.lwz r7, 28(r3) |
| 769 | l.lwz r8, 32(r3) |
| 770 | # skip r9 |
| 771 | l.lwz r10, 40(r3) |
| 772 | l.lwz r11, 44(r3) |
| 773 | l.lwz r12, 48(r3) |
| 774 | l.lwz r13, 52(r3) |
| 775 | l.lwz r14, 56(r3) |
| 776 | l.lwz r15, 60(r3) |
| 777 | l.lwz r16, 64(r3) |
| 778 | l.lwz r17, 68(r3) |
| 779 | l.lwz r18, 72(r3) |
| 780 | l.lwz r19, 76(r3) |
| 781 | l.lwz r20, 80(r3) |
| 782 | l.lwz r21, 84(r3) |
| 783 | l.lwz r22, 88(r3) |
| 784 | l.lwz r23, 92(r3) |
| 785 | l.lwz r24, 96(r3) |
| 786 | l.lwz r25,100(r3) |
| 787 | l.lwz r26,104(r3) |
| 788 | l.lwz r27,108(r3) |
| 789 | l.lwz r28,112(r3) |
| 790 | l.lwz r29,116(r3) |
| 791 | l.lwz r30,120(r3) |
| 792 | l.lwz r31,124(r3) |
| 793 | |
| 794 | # at last, restore r3 |
| 795 | l.lwz r3, 12(r3) |
| 796 | |
| 797 | # load new pc into ra |
| 798 | l.lwz r9, 128(r3) |
| 799 | # jump to pc |
| 800 | l.jr r9 |
| 801 | l.nop |
| 802 | |
| 803 | #elif defined(__mips__) && defined(_ABIO32) && _MIPS_SIM == _ABIO32 |
| 804 | |
| 805 | // |
| 806 | // void libunwind::Registers_mips_o32::jumpto() |
| 807 | // |
| 808 | // On entry: |
| 809 | // thread state pointer is in a0 ($4) |
| 810 | // |
| 811 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind18Registers_mips_o326jumptoEv) |
| 812 | .set push |
| 813 | .set noat |
| 814 | .set noreorder |
| 815 | .set nomacro |
| 816 | #ifdef __mips_hard_float |
| 817 | #if __mips_fpr != 64 |
| 818 | ldc1 $f0, (4 * 36 + 8 * 0)($4) |
| 819 | ldc1 $f2, (4 * 36 + 8 * 2)($4) |
| 820 | ldc1 $f4, (4 * 36 + 8 * 4)($4) |
| 821 | ldc1 $f6, (4 * 36 + 8 * 6)($4) |
| 822 | ldc1 $f8, (4 * 36 + 8 * 8)($4) |
| 823 | ldc1 $f10, (4 * 36 + 8 * 10)($4) |
| 824 | ldc1 $f12, (4 * 36 + 8 * 12)($4) |
| 825 | ldc1 $f14, (4 * 36 + 8 * 14)($4) |
| 826 | ldc1 $f16, (4 * 36 + 8 * 16)($4) |
| 827 | ldc1 $f18, (4 * 36 + 8 * 18)($4) |
| 828 | ldc1 $f20, (4 * 36 + 8 * 20)($4) |
| 829 | ldc1 $f22, (4 * 36 + 8 * 22)($4) |
| 830 | ldc1 $f24, (4 * 36 + 8 * 24)($4) |
| 831 | ldc1 $f26, (4 * 36 + 8 * 26)($4) |
| 832 | ldc1 $f28, (4 * 36 + 8 * 28)($4) |
| 833 | ldc1 $f30, (4 * 36 + 8 * 30)($4) |
| 834 | #else |
| 835 | ldc1 $f0, (4 * 36 + 8 * 0)($4) |
| 836 | ldc1 $f1, (4 * 36 + 8 * 1)($4) |
| 837 | ldc1 $f2, (4 * 36 + 8 * 2)($4) |
| 838 | ldc1 $f3, (4 * 36 + 8 * 3)($4) |
| 839 | ldc1 $f4, (4 * 36 + 8 * 4)($4) |
| 840 | ldc1 $f5, (4 * 36 + 8 * 5)($4) |
| 841 | ldc1 $f6, (4 * 36 + 8 * 6)($4) |
| 842 | ldc1 $f7, (4 * 36 + 8 * 7)($4) |
| 843 | ldc1 $f8, (4 * 36 + 8 * 8)($4) |
| 844 | ldc1 $f9, (4 * 36 + 8 * 9)($4) |
| 845 | ldc1 $f10, (4 * 36 + 8 * 10)($4) |
| 846 | ldc1 $f11, (4 * 36 + 8 * 11)($4) |
| 847 | ldc1 $f12, (4 * 36 + 8 * 12)($4) |
| 848 | ldc1 $f13, (4 * 36 + 8 * 13)($4) |
| 849 | ldc1 $f14, (4 * 36 + 8 * 14)($4) |
| 850 | ldc1 $f15, (4 * 36 + 8 * 15)($4) |
| 851 | ldc1 $f16, (4 * 36 + 8 * 16)($4) |
| 852 | ldc1 $f17, (4 * 36 + 8 * 17)($4) |
| 853 | ldc1 $f18, (4 * 36 + 8 * 18)($4) |
| 854 | ldc1 $f19, (4 * 36 + 8 * 19)($4) |
| 855 | ldc1 $f20, (4 * 36 + 8 * 20)($4) |
| 856 | ldc1 $f21, (4 * 36 + 8 * 21)($4) |
| 857 | ldc1 $f22, (4 * 36 + 8 * 22)($4) |
| 858 | ldc1 $f23, (4 * 36 + 8 * 23)($4) |
| 859 | ldc1 $f24, (4 * 36 + 8 * 24)($4) |
| 860 | ldc1 $f25, (4 * 36 + 8 * 25)($4) |
| 861 | ldc1 $f26, (4 * 36 + 8 * 26)($4) |
| 862 | ldc1 $f27, (4 * 36 + 8 * 27)($4) |
| 863 | ldc1 $f28, (4 * 36 + 8 * 28)($4) |
| 864 | ldc1 $f29, (4 * 36 + 8 * 29)($4) |
| 865 | ldc1 $f30, (4 * 36 + 8 * 30)($4) |
| 866 | ldc1 $f31, (4 * 36 + 8 * 31)($4) |
| 867 | #endif |
| 868 | #endif |
| 869 | // restore hi and lo |
| 870 | lw $8, (4 * 33)($4) |
| 871 | mthi $8 |
| 872 | lw $8, (4 * 34)($4) |
| 873 | mtlo $8 |
| 874 | // r0 is zero |
| 875 | lw $1, (4 * 1)($4) |
| 876 | lw $2, (4 * 2)($4) |
| 877 | lw $3, (4 * 3)($4) |
| 878 | // skip a0 for now |
| 879 | lw $5, (4 * 5)($4) |
| 880 | lw $6, (4 * 6)($4) |
| 881 | lw $7, (4 * 7)($4) |
| 882 | lw $8, (4 * 8)($4) |
| 883 | lw $9, (4 * 9)($4) |
| 884 | lw $10, (4 * 10)($4) |
| 885 | lw $11, (4 * 11)($4) |
| 886 | lw $12, (4 * 12)($4) |
| 887 | lw $13, (4 * 13)($4) |
| 888 | lw $14, (4 * 14)($4) |
| 889 | lw $15, (4 * 15)($4) |
| 890 | lw $16, (4 * 16)($4) |
| 891 | lw $17, (4 * 17)($4) |
| 892 | lw $18, (4 * 18)($4) |
| 893 | lw $19, (4 * 19)($4) |
| 894 | lw $20, (4 * 20)($4) |
| 895 | lw $21, (4 * 21)($4) |
| 896 | lw $22, (4 * 22)($4) |
| 897 | lw $23, (4 * 23)($4) |
| 898 | lw $24, (4 * 24)($4) |
| 899 | lw $25, (4 * 25)($4) |
| 900 | lw $26, (4 * 26)($4) |
| 901 | lw $27, (4 * 27)($4) |
| 902 | lw $28, (4 * 28)($4) |
| 903 | lw $29, (4 * 29)($4) |
| 904 | lw $30, (4 * 30)($4) |
| 905 | // load new pc into ra |
| 906 | lw $31, (4 * 32)($4) |
| 907 | // jump to ra, load a0 in the delay slot |
| 908 | jr $31 |
| 909 | lw $4, (4 * 4)($4) |
| 910 | .set pop |
| 911 | |
| 912 | #elif defined(__mips64) |
| 913 | |
| 914 | // |
| 915 | // void libunwind::Registers_mips_newabi::jumpto() |
| 916 | // |
| 917 | // On entry: |
| 918 | // thread state pointer is in a0 ($4) |
| 919 | // |
| 920 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind21Registers_mips_newabi6jumptoEv) |
| 921 | .set push |
| 922 | .set noat |
| 923 | .set noreorder |
| 924 | .set nomacro |
| 925 | #ifdef __mips_hard_float |
| 926 | ldc1 $f0, (8 * 35)($4) |
| 927 | ldc1 $f1, (8 * 36)($4) |
| 928 | ldc1 $f2, (8 * 37)($4) |
| 929 | ldc1 $f3, (8 * 38)($4) |
| 930 | ldc1 $f4, (8 * 39)($4) |
| 931 | ldc1 $f5, (8 * 40)($4) |
| 932 | ldc1 $f6, (8 * 41)($4) |
| 933 | ldc1 $f7, (8 * 42)($4) |
| 934 | ldc1 $f8, (8 * 43)($4) |
| 935 | ldc1 $f9, (8 * 44)($4) |
| 936 | ldc1 $f10, (8 * 45)($4) |
| 937 | ldc1 $f11, (8 * 46)($4) |
| 938 | ldc1 $f12, (8 * 47)($4) |
| 939 | ldc1 $f13, (8 * 48)($4) |
| 940 | ldc1 $f14, (8 * 49)($4) |
| 941 | ldc1 $f15, (8 * 50)($4) |
| 942 | ldc1 $f16, (8 * 51)($4) |
| 943 | ldc1 $f17, (8 * 52)($4) |
| 944 | ldc1 $f18, (8 * 53)($4) |
| 945 | ldc1 $f19, (8 * 54)($4) |
| 946 | ldc1 $f20, (8 * 55)($4) |
| 947 | ldc1 $f21, (8 * 56)($4) |
| 948 | ldc1 $f22, (8 * 57)($4) |
| 949 | ldc1 $f23, (8 * 58)($4) |
| 950 | ldc1 $f24, (8 * 59)($4) |
| 951 | ldc1 $f25, (8 * 60)($4) |
| 952 | ldc1 $f26, (8 * 61)($4) |
| 953 | ldc1 $f27, (8 * 62)($4) |
| 954 | ldc1 $f28, (8 * 63)($4) |
| 955 | ldc1 $f29, (8 * 64)($4) |
| 956 | ldc1 $f30, (8 * 65)($4) |
| 957 | ldc1 $f31, (8 * 66)($4) |
| 958 | #endif |
| 959 | // restore hi and lo |
| 960 | ld $8, (8 * 33)($4) |
| 961 | mthi $8 |
| 962 | ld $8, (8 * 34)($4) |
| 963 | mtlo $8 |
| 964 | // r0 is zero |
| 965 | ld $1, (8 * 1)($4) |
| 966 | ld $2, (8 * 2)($4) |
| 967 | ld $3, (8 * 3)($4) |
| 968 | // skip a0 for now |
| 969 | ld $5, (8 * 5)($4) |
| 970 | ld $6, (8 * 6)($4) |
| 971 | ld $7, (8 * 7)($4) |
| 972 | ld $8, (8 * 8)($4) |
| 973 | ld $9, (8 * 9)($4) |
| 974 | ld $10, (8 * 10)($4) |
| 975 | ld $11, (8 * 11)($4) |
| 976 | ld $12, (8 * 12)($4) |
| 977 | ld $13, (8 * 13)($4) |
| 978 | ld $14, (8 * 14)($4) |
| 979 | ld $15, (8 * 15)($4) |
| 980 | ld $16, (8 * 16)($4) |
| 981 | ld $17, (8 * 17)($4) |
| 982 | ld $18, (8 * 18)($4) |
| 983 | ld $19, (8 * 19)($4) |
| 984 | ld $20, (8 * 20)($4) |
| 985 | ld $21, (8 * 21)($4) |
| 986 | ld $22, (8 * 22)($4) |
| 987 | ld $23, (8 * 23)($4) |
| 988 | ld $24, (8 * 24)($4) |
| 989 | ld $25, (8 * 25)($4) |
| 990 | ld $26, (8 * 26)($4) |
| 991 | ld $27, (8 * 27)($4) |
| 992 | ld $28, (8 * 28)($4) |
| 993 | ld $29, (8 * 29)($4) |
| 994 | ld $30, (8 * 30)($4) |
| 995 | // load new pc into ra |
| 996 | ld $31, (8 * 32)($4) |
| 997 | // jump to ra, load a0 in the delay slot |
| 998 | jr $31 |
| 999 | ld $4, (8 * 4)($4) |
| 1000 | .set pop |
| 1001 | |
| 1002 | #elif defined(__sparc__) |
| 1003 | |
| 1004 | // |
| 1005 | // void libunwind::Registers_sparc_o32::jumpto() |
| 1006 | // |
| 1007 | // On entry: |
| 1008 | // thread_state pointer is in o0 |
| 1009 | // |
| 1010 | DEFINE_LIBUNWIND_FUNCTION(_ZN9libunwind15Registers_sparc6jumptoEv) |
| 1011 | ta 3 |
| 1012 | ldd [%o0 + 64], %l0 |
| 1013 | ldd [%o0 + 72], %l2 |
| 1014 | ldd [%o0 + 80], %l4 |
| 1015 | ldd [%o0 + 88], %l6 |
| 1016 | ldd [%o0 + 96], %i0 |
| 1017 | ldd [%o0 + 104], %i2 |
| 1018 | ldd [%o0 + 112], %i4 |
| 1019 | ldd [%o0 + 120], %i6 |
| 1020 | ld [%o0 + 60], %o7 |
| 1021 | jmp %o7 |
| 1022 | nop |
| 1023 | |
| 1024 | #endif |
| 1025 | |
| 1026 | #endif /* !defined(__USING_SJLJ_EXCEPTIONS__) */ |
| 1027 | |
| 1028 | NO_EXEC_STACK_DIRECTIVE |
| 1029 | |
| 1030 | |