| 1 | /* |
| 2 | * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| 9 | * compliance with the License. The rights granted to you under the License |
| 10 | * may not be used to create, or enable the creation or redistribution of, |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| 13 | * terms of an Apple operating system software license agreement. |
| 14 | * |
| 15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| 17 | * |
| 18 | * The Original Code and all software distributed under the License are |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and |
| 24 | * limitations under the License. |
| 25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ |
| 28 | /* |
| 29 | * @OSF_COPYRIGHT@ |
| 30 | */ |
| 31 | /* |
| 32 | * Mach Operating System |
| 33 | * Copyright (c) 1991,1990,1989 Carnegie Mellon University |
| 34 | * All Rights Reserved. |
| 35 | * |
| 36 | * Permission to use, copy, modify and distribute this software and its |
| 37 | * documentation is hereby granted, provided that both the copyright |
| 38 | * notice and this permission notice appear in all copies of the |
| 39 | * software, derivative works or modified versions, and any portions |
| 40 | * thereof, and that both notices appear in supporting documentation. |
| 41 | * |
| 42 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| 43 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| 44 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| 45 | * |
| 46 | * Carnegie Mellon requests users of this software to return to |
| 47 | * |
| 48 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| 49 | * School of Computer Science |
| 50 | * Carnegie Mellon University |
| 51 | * Pittsburgh PA 15213-3890 |
| 52 | * |
| 53 | * any improvements or extensions that they make and grant Carnegie Mellon |
| 54 | * the rights to redistribute these changes. |
| 55 | */ |
| 56 | /* |
| 57 | */ |
| 58 | /* |
| 59 | * File: thread_status.h |
| 60 | * Author: Avadis Tevanian, Jr. |
| 61 | * Date: 1985 |
| 62 | * |
| 63 | * This file contains the structure definitions for the thread |
| 64 | * state as applied to I386 processors. |
| 65 | */ |
| 66 | |
| 67 | #ifndef _MACH_I386_THREAD_STATUS_H_ |
| 68 | #define _MACH_I386_THREAD_STATUS_H_ |
| 69 | |
| 70 | #include <mach/i386/_structs.h> |
| 71 | #include <mach/message.h> |
| 72 | #include <mach/i386/fp_reg.h> |
| 73 | #include <mach/i386/thread_state.h> |
| 74 | #include <i386/eflags.h> |
| 75 | |
| 76 | /* |
| 77 | * the i386_xxxx form is kept for legacy purposes since these types |
| 78 | * are externally known... eventually they should be deprecated. |
| 79 | * our internal implementation has moved to the following naming convention |
| 80 | * |
| 81 | * x86_xxxx32 names are used to deal with 32 bit states |
| 82 | * x86_xxxx64 names are used to deal with 64 bit states |
| 83 | * x86_xxxx names are used to deal with either 32 or 64 bit states |
| 84 | * via a self-describing mechanism |
| 85 | */ |
| 86 | |
| 87 | /* |
| 88 | * these are the legacy names which should be deprecated in the future |
| 89 | * they are externally known which is the only reason we don't just get |
| 90 | * rid of them |
| 91 | */ |
| 92 | #define i386_THREAD_STATE 1 |
| 93 | #define i386_FLOAT_STATE 2 |
| 94 | #define i386_EXCEPTION_STATE 3 |
| 95 | |
| 96 | /* |
| 97 | * THREAD_STATE_FLAVOR_LIST 0 |
| 98 | * these are the supported flavors |
| 99 | */ |
| 100 | #define x86_THREAD_STATE32 1 |
| 101 | #define x86_FLOAT_STATE32 2 |
| 102 | #define x86_EXCEPTION_STATE32 3 |
| 103 | #define x86_THREAD_STATE64 4 |
| 104 | #define x86_FLOAT_STATE64 5 |
| 105 | #define x86_EXCEPTION_STATE64 6 |
| 106 | #define x86_THREAD_STATE 7 |
| 107 | #define x86_FLOAT_STATE 8 |
| 108 | #define x86_EXCEPTION_STATE 9 |
| 109 | #define x86_DEBUG_STATE32 10 |
| 110 | #define x86_DEBUG_STATE64 11 |
| 111 | #define x86_DEBUG_STATE 12 |
| 112 | #define THREAD_STATE_NONE 13 |
| 113 | /* 15 and 16 are used for the internal x86_SAVED_STATE flavours */ |
| 114 | #define x86_AVX_STATE32 16 |
| 115 | #define x86_AVX_STATE64 17 |
| 116 | |
| 117 | |
| 118 | /* |
| 119 | * Largest state on this machine: |
| 120 | * (be sure mach/machine/thread_state.h matches!) |
| 121 | */ |
| 122 | #define THREAD_MACHINE_STATE_MAX THREAD_STATE_MAX |
| 123 | |
| 124 | /* |
| 125 | * VALID_THREAD_STATE_FLAVOR is a platform specific macro that when passed |
| 126 | * an exception flavor will return if that is a defined flavor for that |
| 127 | * platform. The macro must be manually updated to include all of the valid |
| 128 | * exception flavors as defined above. |
| 129 | */ |
| 130 | #define VALID_THREAD_STATE_FLAVOR(x) \ |
| 131 | ((x == x86_THREAD_STATE32) || \ |
| 132 | (x == x86_FLOAT_STATE32) || \ |
| 133 | (x == x86_EXCEPTION_STATE32) || \ |
| 134 | (x == x86_DEBUG_STATE32) || \ |
| 135 | (x == x86_THREAD_STATE64) || \ |
| 136 | (x == x86_FLOAT_STATE64) || \ |
| 137 | (x == x86_EXCEPTION_STATE64) || \ |
| 138 | (x == x86_DEBUG_STATE64) || \ |
| 139 | (x == x86_THREAD_STATE) || \ |
| 140 | (x == x86_FLOAT_STATE) || \ |
| 141 | (x == x86_EXCEPTION_STATE) || \ |
| 142 | (x == x86_DEBUG_STATE) || \ |
| 143 | (x == x86_AVX_STATE32) || \ |
| 144 | (x == x86_AVX_STATE64) || \ |
| 145 | (x == THREAD_STATE_NONE)) |
| 146 | |
| 147 | struct x86_state_hdr { |
| 148 | int flavor; |
| 149 | int count; |
| 150 | }; |
| 151 | typedef struct x86_state_hdr x86_state_hdr_t; |
| 152 | |
| 153 | /* |
| 154 | * Default segment register values. |
| 155 | */ |
| 156 | |
| 157 | #define USER_CODE_SELECTOR 0x0017 |
| 158 | #define USER_DATA_SELECTOR 0x001f |
| 159 | #define KERN_CODE_SELECTOR 0x0008 |
| 160 | #define KERN_DATA_SELECTOR 0x0010 |
| 161 | |
| 162 | /* |
| 163 | * to be deprecated in the future |
| 164 | */ |
| 165 | typedef _STRUCT_X86_THREAD_STATE32 i386_thread_state_t; |
| 166 | #define i386_THREAD_STATE_COUNT ((mach_msg_type_number_t) \ |
| 167 | ( sizeof (i386_thread_state_t) / sizeof (int) )) |
| 168 | |
| 169 | typedef _STRUCT_X86_THREAD_STATE32 x86_thread_state32_t; |
| 170 | #define x86_THREAD_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 171 | ( sizeof (x86_thread_state32_t) / sizeof (int) )) |
| 172 | |
| 173 | /* |
| 174 | * to be deprecated in the future |
| 175 | */ |
| 176 | typedef _STRUCT_X86_FLOAT_STATE32 i386_float_state_t; |
| 177 | #define i386_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \ |
| 178 | (sizeof(i386_float_state_t)/sizeof(unsigned int))) |
| 179 | |
| 180 | typedef _STRUCT_X86_FLOAT_STATE32 x86_float_state32_t; |
| 181 | #define x86_FLOAT_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 182 | (sizeof(x86_float_state32_t)/sizeof(unsigned int))) |
| 183 | |
| 184 | typedef _STRUCT_X86_AVX_STATE32 x86_avx_state32_t; |
| 185 | #define x86_AVX_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 186 | (sizeof(x86_avx_state32_t)/sizeof(unsigned int))) |
| 187 | |
| 188 | /* |
| 189 | * to be deprecated in the future |
| 190 | */ |
| 191 | typedef _STRUCT_X86_EXCEPTION_STATE32 i386_exception_state_t; |
| 192 | #define i386_EXCEPTION_STATE_COUNT ((mach_msg_type_number_t) \ |
| 193 | ( sizeof (i386_exception_state_t) / sizeof (int) )) |
| 194 | |
| 195 | typedef _STRUCT_X86_EXCEPTION_STATE32 x86_exception_state32_t; |
| 196 | #define x86_EXCEPTION_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 197 | ( sizeof (x86_exception_state32_t) / sizeof (int) )) |
| 198 | |
| 199 | #define I386_EXCEPTION_STATE_COUNT i386_EXCEPTION_STATE_COUNT |
| 200 | |
| 201 | typedef _STRUCT_X86_DEBUG_STATE32 x86_debug_state32_t; |
| 202 | #define x86_DEBUG_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 203 | ( sizeof (x86_debug_state32_t) / sizeof (int) )) |
| 204 | |
| 205 | #define X86_DEBUG_STATE32_COUNT x86_DEBUG_STATE32_COUNT |
| 206 | |
| 207 | typedef _STRUCT_X86_THREAD_STATE64 x86_thread_state64_t; |
| 208 | #define x86_THREAD_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 209 | ( sizeof (x86_thread_state64_t) / sizeof (int) )) |
| 210 | |
| 211 | typedef _STRUCT_X86_FLOAT_STATE64 x86_float_state64_t; |
| 212 | #define x86_FLOAT_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 213 | (sizeof(x86_float_state64_t)/sizeof(unsigned int))) |
| 214 | |
| 215 | typedef _STRUCT_X86_AVX_STATE64 x86_avx_state64_t; |
| 216 | #define x86_AVX_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 217 | (sizeof(x86_avx_state64_t)/sizeof(unsigned int))) |
| 218 | |
| 219 | typedef _STRUCT_X86_EXCEPTION_STATE64 x86_exception_state64_t; |
| 220 | #define x86_EXCEPTION_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 221 | ( sizeof (x86_exception_state64_t) / sizeof (int) )) |
| 222 | |
| 223 | #define X86_EXCEPTION_STATE64_COUNT x86_EXCEPTION_STATE64_COUNT |
| 224 | |
| 225 | typedef _STRUCT_X86_DEBUG_STATE64 x86_debug_state64_t; |
| 226 | #define x86_DEBUG_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 227 | ( sizeof (x86_debug_state64_t) / sizeof (int) )) |
| 228 | |
| 229 | #define X86_DEBUG_STATE64_COUNT x86_DEBUG_STATE64_COUNT |
| 230 | |
| 231 | /* |
| 232 | * Combined thread, float and exception states |
| 233 | */ |
| 234 | struct x86_thread_state { |
| 235 | x86_state_hdr_t tsh; |
| 236 | union { |
| 237 | x86_thread_state32_t ts32; |
| 238 | x86_thread_state64_t ts64; |
| 239 | } uts; |
| 240 | }; |
| 241 | |
| 242 | struct x86_float_state { |
| 243 | x86_state_hdr_t fsh; |
| 244 | union { |
| 245 | x86_float_state32_t fs32; |
| 246 | x86_float_state64_t fs64; |
| 247 | } ufs; |
| 248 | }; |
| 249 | |
| 250 | struct x86_exception_state { |
| 251 | x86_state_hdr_t esh; |
| 252 | union { |
| 253 | x86_exception_state32_t es32; |
| 254 | x86_exception_state64_t es64; |
| 255 | } ues; |
| 256 | }; |
| 257 | |
| 258 | struct x86_debug_state { |
| 259 | x86_state_hdr_t dsh; |
| 260 | union { |
| 261 | x86_debug_state32_t ds32; |
| 262 | x86_debug_state64_t ds64; |
| 263 | } uds; |
| 264 | }; |
| 265 | |
| 266 | typedef struct x86_thread_state x86_thread_state_t; |
| 267 | #define x86_THREAD_STATE_COUNT ((mach_msg_type_number_t) \ |
| 268 | ( sizeof (x86_thread_state_t) / sizeof (int) )) |
| 269 | |
| 270 | typedef struct x86_float_state x86_float_state_t; |
| 271 | #define x86_FLOAT_STATE_COUNT ((mach_msg_type_number_t) \ |
| 272 | (sizeof(x86_float_state_t)/sizeof(unsigned int))) |
| 273 | |
| 274 | typedef struct x86_exception_state x86_exception_state_t; |
| 275 | #define x86_EXCEPTION_STATE_COUNT ((mach_msg_type_number_t) \ |
| 276 | (sizeof(x86_exception_state_t)/sizeof(unsigned int))) |
| 277 | |
| 278 | typedef struct x86_debug_state x86_debug_state_t; |
| 279 | #define x86_DEBUG_STATE_COUNT ((mach_msg_type_number_t) \ |
| 280 | (sizeof(x86_debug_state_t)/sizeof(unsigned int))) |
| 281 | |
| 282 | /* |
| 283 | * Machine-independent way for servers and Mach's exception mechanism to |
| 284 | * choose the most efficient state flavor for exception RPC's: |
| 285 | */ |
| 286 | #define MACHINE_THREAD_STATE x86_THREAD_STATE |
| 287 | #define MACHINE_THREAD_STATE_COUNT x86_THREAD_STATE_COUNT |
| 288 | |
| 289 | /* |
| 290 | * when reloading the segment registers on |
| 291 | * a return out of the kernel, we may take |
| 292 | * a GeneralProtection or SegmentNotPresent |
| 293 | * fault if one or more of the segment |
| 294 | * registers in the saved state was improperly |
| 295 | * specified via an x86_THREAD_STATE32 call |
| 296 | * the frame we push on top of the existing |
| 297 | * save area looks like this... we need to |
| 298 | * carry this as part of the save area |
| 299 | * in case we get hit so that we have a big |
| 300 | * enough stack |
| 301 | */ |
| 302 | struct x86_seg_load_fault32 { |
| 303 | uint16_t trapno; |
| 304 | uint16_t cpu; |
| 305 | uint32_t err; |
| 306 | uint32_t eip; |
| 307 | uint32_t cs; |
| 308 | uint32_t efl; |
| 309 | }; |
| 310 | |
| 311 | #ifdef XNU_KERNEL_PRIVATE |
| 312 | |
| 313 | #define x86_SAVED_STATE32 THREAD_STATE_NONE + 1 |
| 314 | #define x86_SAVED_STATE64 THREAD_STATE_NONE + 2 |
| 315 | |
| 316 | /* |
| 317 | * Subset of saved state stored by processor on kernel-to-kernel |
| 318 | * trap. (Used by ddb to examine state guaranteed to be present |
| 319 | * on all traps into debugger.) |
| 320 | */ |
| 321 | struct x86_saved_state32_from_kernel { |
| 322 | uint32_t gs; |
| 323 | uint32_t fs; |
| 324 | uint32_t es; |
| 325 | uint32_t ds; |
| 326 | uint32_t edi; |
| 327 | uint32_t esi; |
| 328 | uint32_t ebp; |
| 329 | uint32_t cr2; /* kernel esp stored by pusha - we save cr2 here later */ |
| 330 | uint32_t ebx; |
| 331 | uint32_t edx; |
| 332 | uint32_t ecx; |
| 333 | uint32_t eax; |
| 334 | uint16_t trapno; |
| 335 | uint16_t cpu; |
| 336 | uint32_t err; |
| 337 | uint32_t eip; |
| 338 | uint32_t cs; |
| 339 | uint32_t efl; |
| 340 | }; |
| 341 | |
| 342 | /* |
| 343 | * The format in which thread state is saved by Mach on this machine. This |
| 344 | * state flavor is most efficient for exception RPC's to kernel-loaded |
| 345 | * servers, because copying can be avoided: |
| 346 | */ |
| 347 | struct x86_saved_state32 { |
| 348 | uint32_t gs; |
| 349 | uint32_t fs; |
| 350 | uint32_t es; |
| 351 | uint32_t ds; |
| 352 | uint32_t edi; |
| 353 | uint32_t esi; |
| 354 | uint32_t ebp; |
| 355 | uint32_t cr2; /* kernel esp stored by pusha - we save cr2 here later */ |
| 356 | uint32_t ebx; |
| 357 | uint32_t edx; |
| 358 | uint32_t ecx; |
| 359 | uint32_t eax; |
| 360 | uint16_t trapno; |
| 361 | uint16_t cpu; |
| 362 | uint32_t err; |
| 363 | uint32_t eip; |
| 364 | uint32_t cs; |
| 365 | uint32_t efl; |
| 366 | uint32_t uesp; |
| 367 | uint32_t ss; |
| 368 | }; |
| 369 | typedef struct x86_saved_state32 x86_saved_state32_t; |
| 370 | |
| 371 | #define x86_SAVED_STATE32_COUNT ((mach_msg_type_number_t) \ |
| 372 | (sizeof (x86_saved_state32_t)/sizeof(unsigned int))) |
| 373 | |
| 374 | #pragma pack(4) |
| 375 | struct x86_saved_state32_tagged { |
| 376 | uint32_t tag; |
| 377 | struct x86_saved_state32 state; |
| 378 | }; |
| 379 | typedef struct x86_saved_state32_tagged x86_saved_state32_tagged_t; |
| 380 | /* Note: sizeof(x86_saved_state32_tagged_t) is a multiple of 16 bytes */ |
| 381 | |
| 382 | struct x86_sframe32 { |
| 383 | /* |
| 384 | * in case we throw a fault reloading |
| 385 | * segment registers on a return out of |
| 386 | * the kernel... the 'slf' state is only kept |
| 387 | * long enough to rejigger (i.e. restore |
| 388 | * the save area to its original state) |
| 389 | * the save area and throw the appropriate |
| 390 | * kernel trap pointing to the 'ssf' state |
| 391 | */ |
| 392 | struct x86_seg_load_fault32 slf; |
| 393 | struct x86_saved_state32_tagged ssf; |
| 394 | }; |
| 395 | typedef struct x86_sframe32 x86_sframe32_t; |
| 396 | |
| 397 | /* |
| 398 | * This is the state pushed onto the 64-bit interrupt stack |
| 399 | * on any exception/trap/interrupt. |
| 400 | */ |
| 401 | struct x86_64_intr_stack_frame { |
| 402 | uint16_t trapno; |
| 403 | uint16_t cpu; |
| 404 | uint32_t _pad; |
| 405 | uint64_t trapfn; |
| 406 | uint64_t err; |
| 407 | uint64_t rip; |
| 408 | uint64_t cs; |
| 409 | uint64_t rflags; |
| 410 | uint64_t rsp; |
| 411 | uint64_t ss; |
| 412 | }; |
| 413 | typedef struct x86_64_intr_stack_frame x86_64_intr_stack_frame_t; |
| 414 | /* Note: sizeof(x86_64_intr_stack_frame_t) must be a multiple of 16 bytes */ |
| 415 | |
| 416 | /* |
| 417 | * This defines the state saved before entry into compatibility mode. |
| 418 | * The machine state is pushed automatically and the compat state is |
| 419 | * synthethized in the exception handling code. |
| 420 | */ |
| 421 | struct x86_saved_state_compat32 { |
| 422 | struct x86_saved_state32_tagged iss32; |
| 423 | struct x86_64_intr_stack_frame isf64; |
| 424 | }; |
| 425 | typedef struct x86_saved_state_compat32 x86_saved_state_compat32_t; |
| 426 | |
| 427 | struct x86_sframe_compat32 { |
| 428 | uint32_t pad_for_16byte_alignment[2]; |
| 429 | uint64_t _register_save_slot; |
| 430 | struct x86_64_intr_stack_frame slf; |
| 431 | struct x86_saved_state_compat32 ssf; |
| 432 | }; |
| 433 | typedef struct x86_sframe_compat32 x86_sframe_compat32_t; |
| 434 | /* Note: sizeof(x86_sframe_compat32_t) must be a multiple of 16 bytes */ |
| 435 | |
| 436 | /* |
| 437 | * thread state format for task running in 64bit long mode |
| 438 | * in long mode, the same hardware frame is always pushed regardless |
| 439 | * of whether there was a change in privlege level... therefore, there |
| 440 | * is no need for an x86_saved_state64_from_kernel variant |
| 441 | */ |
| 442 | struct x86_saved_state64 { |
| 443 | /* |
| 444 | * saved state organized to reflect the |
| 445 | * system call ABI register convention |
| 446 | * so that we can just pass a pointer |
| 447 | * to the saved state when calling through |
| 448 | * to the actual system call functions |
| 449 | * the ABI limits us to 6 args passed in |
| 450 | * registers... I've add v_arg6 - v_arg8 |
| 451 | * to accomodate our most 'greedy' system |
| 452 | * calls (both BSD and MACH)... the individual |
| 453 | * system call handlers will fill these in |
| 454 | * via copyin if needed... |
| 455 | */ |
| 456 | uint64_t rdi; /* arg0 for system call */ |
| 457 | uint64_t rsi; |
| 458 | uint64_t rdx; |
| 459 | uint64_t r10; |
| 460 | uint64_t r8; |
| 461 | uint64_t r9; /* arg5 for system call */ |
| 462 | uint64_t v_arg6; |
| 463 | uint64_t v_arg7; |
| 464 | uint64_t v_arg8; |
| 465 | |
| 466 | uint64_t cr2; |
| 467 | uint64_t r15; |
| 468 | uint64_t r14; |
| 469 | uint64_t r13; |
| 470 | uint64_t r12; |
| 471 | uint64_t r11; |
| 472 | uint64_t rbp; |
| 473 | uint64_t rbx; |
| 474 | uint64_t rcx; |
| 475 | uint64_t rax; |
| 476 | |
| 477 | uint32_t gs; |
| 478 | uint32_t fs; |
| 479 | |
| 480 | uint32_t _pad_for_tagged_alignment[3]; |
| 481 | |
| 482 | struct x86_64_intr_stack_frame isf; |
| 483 | }; |
| 484 | typedef struct x86_saved_state64 x86_saved_state64_t; |
| 485 | #define x86_SAVED_STATE64_COUNT ((mach_msg_type_number_t) \ |
| 486 | (sizeof (struct x86_saved_state64)/sizeof(unsigned int))) |
| 487 | |
| 488 | struct x86_saved_state64_tagged { |
| 489 | uint32_t tag; |
| 490 | x86_saved_state64_t state; |
| 491 | }; |
| 492 | typedef struct x86_saved_state64_tagged x86_saved_state64_tagged_t; |
| 493 | |
| 494 | struct x86_sframe64 { |
| 495 | uint64_t _register_save_slot[2]; |
| 496 | struct x86_64_intr_stack_frame slf; |
| 497 | x86_saved_state64_tagged_t ssf; |
| 498 | }; |
| 499 | typedef struct x86_sframe64 x86_sframe64_t; |
| 500 | /* Note: sizeof(x86_sframe64_t) is a multiple of 16 bytes */ |
| 501 | |
| 502 | extern uint32_t get_eflags_exportmask(void); |
| 503 | |
| 504 | /* |
| 505 | * Unified, tagged saved state: |
| 506 | */ |
| 507 | typedef struct { |
| 508 | uint32_t flavor; |
| 509 | union { |
| 510 | x86_saved_state32_t ss_32; |
| 511 | x86_saved_state64_t ss_64; |
| 512 | } uss; |
| 513 | } x86_saved_state_t; |
| 514 | #define ss_32 uss.ss_32 |
| 515 | #define ss_64 uss.ss_64 |
| 516 | #pragma pack() |
| 517 | |
| 518 | static inline boolean_t |
| 519 | is_saved_state64(x86_saved_state_t *iss) |
| 520 | { |
| 521 | return (iss->flavor == x86_SAVED_STATE64); |
| 522 | } |
| 523 | |
| 524 | static inline boolean_t |
| 525 | is_saved_state32(x86_saved_state_t *iss) |
| 526 | { |
| 527 | return (iss->flavor == x86_SAVED_STATE32); |
| 528 | } |
| 529 | |
| 530 | static inline x86_saved_state32_t * |
| 531 | saved_state32(x86_saved_state_t *iss) |
| 532 | { |
| 533 | return &iss->ss_32; |
| 534 | } |
| 535 | |
| 536 | static inline x86_saved_state64_t * |
| 537 | saved_state64(x86_saved_state_t *iss) |
| 538 | { |
| 539 | return &iss->ss_64; |
| 540 | } |
| 541 | |
| 542 | #endif /* XNU_KERNEL_PRIVATE */ |
| 543 | |
| 544 | #endif /* _MACH_I386_THREAD_STATUS_H_ */ |