1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 2004 Tim J. Robbins 5 * Copyright (c) 2001 Doug Rabson 6 * Copyright (c) 1994-1996 Søren Schmidt 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer 14 * in this position and unchanged. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35 #ifndef _AMD64_LINUX_H_ 36 #define _AMD64_LINUX_H_ 37 38 #include <compat/linux/linux.h> 39 #include <amd64/linux32/linux32_syscall.h> 40 41 #define LINUX_LEGACY_SYSCALLS 42 43 /* 44 * debugging support 45 */ 46 extern u_char linux_debug_map[]; 47 #define ldebug(name) isclr(linux_debug_map, LINUX32_SYS_linux_ ## name) 48 #define ARGS(nm, fmt) "linux(%ld/%ld): "#nm"("fmt")\n", \ 49 (long)td->td_proc->p_pid, (long)td->td_tid 50 #define LMSG(fmt) "linux(%ld/%ld): "fmt"\n", \ 51 (long)td->td_proc->p_pid, (long)td->td_tid 52 #define LINUX_DTRACE linuxulator32 53 54 #define LINUX32_MAXUSER ((1ul << 32) - PAGE_SIZE) 55 #define LINUX32_SHAREDPAGE (LINUX32_MAXUSER - PAGE_SIZE) 56 #define LINUX32_USRSTACK LINUX32_SHAREDPAGE 57 58 /* XXX 16 = sizeof(linux32_ps_strings) */ 59 #define LINUX32_PS_STRINGS (LINUX32_USRSTACK - 16) 60 #define LINUX32_MAXDSIZ (512 * 1024 * 1024) /* 512MB */ 61 #define LINUX32_MAXSSIZ (64 * 1024 * 1024) /* 64MB */ 62 #define LINUX32_MAXVMEM 0 /* Unlimited */ 63 64 #define PTRIN(v) (void *)(uintptr_t)(v) 65 #define PTROUT(v) (l_uintptr_t)(uintptr_t)(v) 66 67 #define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0) 68 #define CP2(src,dst,sfld,dfld) do { (dst).dfld = (src).sfld; } while (0) 69 #define PTRIN_CP(src,dst,fld) \ 70 do { (dst).fld = PTRIN((src).fld); } while (0) 71 72 /* 73 * Provide a separate set of types for the Linux types. 74 */ 75 typedef int l_int; 76 typedef int32_t l_long; 77 typedef int64_t l_longlong; 78 typedef short l_short; 79 typedef unsigned int l_uint; 80 typedef uint32_t l_ulong; 81 typedef uint64_t l_ulonglong; 82 typedef unsigned short l_ushort; 83 84 typedef l_ulong l_uintptr_t; 85 typedef l_long l_clock_t; 86 typedef l_int l_daddr_t; 87 typedef l_ushort l_dev_t; 88 typedef l_uint l_gid_t; 89 typedef l_ushort l_gid16_t; 90 typedef l_ulong l_ino_t; 91 typedef l_int l_key_t; 92 typedef l_longlong l_loff_t; 93 typedef l_ushort l_mode_t; 94 typedef l_long l_off_t; 95 typedef l_int l_pid_t; 96 typedef l_uint l_size_t; 97 typedef l_long l_suseconds_t; 98 typedef l_long l_time_t; 99 typedef l_uint l_uid_t; 100 typedef l_ushort l_uid16_t; 101 typedef l_int l_timer_t; 102 typedef l_int l_mqd_t; 103 typedef l_ulong l_fd_mask; 104 105 typedef struct { 106 l_int val[2]; 107 } __packed l_fsid_t; 108 109 typedef struct { 110 l_time_t tv_sec; 111 l_suseconds_t tv_usec; 112 } l_timeval; 113 114 #define l_fd_set fd_set 115 116 /* 117 * Miscellaneous 118 */ 119 #define LINUX_AT_COUNT 20 /* Count of used aux entry types. 120 * Keep this synchronized with 121 * linux_fixup_elf() code. 122 */ 123 struct l___sysctl_args 124 { 125 l_uintptr_t name; 126 l_int nlen; 127 l_uintptr_t oldval; 128 l_uintptr_t oldlenp; 129 l_uintptr_t newval; 130 l_size_t newlen; 131 l_ulong __spare[4]; 132 } __packed; 133 134 /* Resource limits */ 135 #define LINUX_RLIMIT_CPU 0 136 #define LINUX_RLIMIT_FSIZE 1 137 #define LINUX_RLIMIT_DATA 2 138 #define LINUX_RLIMIT_STACK 3 139 #define LINUX_RLIMIT_CORE 4 140 #define LINUX_RLIMIT_RSS 5 141 #define LINUX_RLIMIT_NPROC 6 142 #define LINUX_RLIMIT_NOFILE 7 143 #define LINUX_RLIMIT_MEMLOCK 8 144 #define LINUX_RLIMIT_AS 9 /* Address space limit */ 145 146 #define LINUX_RLIM_NLIMITS 10 147 148 struct l_rlimit { 149 l_ulong rlim_cur; 150 l_ulong rlim_max; 151 } __packed; 152 153 struct l_rusage { 154 l_timeval ru_utime; 155 l_timeval ru_stime; 156 l_long ru_maxrss; 157 l_long ru_ixrss; 158 l_long ru_idrss; 159 l_long ru_isrss; 160 l_long ru_minflt; 161 l_long ru_majflt; 162 l_long ru_nswap; 163 l_long ru_inblock; 164 l_long ru_oublock; 165 l_long ru_msgsnd; 166 l_long ru_msgrcv; 167 l_long ru_nsignals; 168 l_long ru_nvcsw; 169 l_long ru_nivcsw; 170 } __packed; 171 172 struct l_mmap_argv { 173 l_uintptr_t addr; 174 l_size_t len; 175 l_int prot; 176 l_int flags; 177 l_int fd; 178 l_ulong pgoff; 179 }; 180 181 /* 182 * stat family of syscalls 183 */ 184 struct l_timespec { 185 l_time_t tv_sec; 186 l_long tv_nsec; 187 } __packed; 188 189 struct l_newstat { 190 l_ushort st_dev; 191 l_ushort __pad1; 192 l_ulong st_ino; 193 l_ushort st_mode; 194 l_ushort st_nlink; 195 l_ushort st_uid; 196 l_ushort st_gid; 197 l_ushort st_rdev; 198 l_ushort __pad2; 199 l_ulong st_size; 200 l_ulong st_blksize; 201 l_ulong st_blocks; 202 struct l_timespec st_atim; 203 struct l_timespec st_mtim; 204 struct l_timespec st_ctim; 205 l_ulong __unused4; 206 l_ulong __unused5; 207 } __packed; 208 209 struct l_stat { 210 l_ushort st_dev; 211 l_ulong st_ino; 212 l_ushort st_mode; 213 l_ushort st_nlink; 214 l_ushort st_uid; 215 l_ushort st_gid; 216 l_ushort st_rdev; 217 l_long st_size; 218 struct l_timespec st_atim; 219 struct l_timespec st_mtim; 220 struct l_timespec st_ctim; 221 l_long st_blksize; 222 l_long st_blocks; 223 l_ulong st_flags; 224 l_ulong st_gen; 225 }; 226 227 struct l_stat64 { 228 l_ushort st_dev; 229 u_char __pad0[10]; 230 l_ulong __st_ino; 231 l_uint st_mode; 232 l_uint st_nlink; 233 l_ulong st_uid; 234 l_ulong st_gid; 235 l_ushort st_rdev; 236 u_char __pad3[10]; 237 l_longlong st_size; 238 l_ulong st_blksize; 239 l_ulong st_blocks; 240 l_ulong __pad4; 241 struct l_timespec st_atim; 242 struct l_timespec st_mtim; 243 struct l_timespec st_ctim; 244 l_ulonglong st_ino; 245 } __packed; 246 247 struct l_statfs64 { 248 l_int f_type; 249 l_int f_bsize; 250 uint64_t f_blocks; 251 uint64_t f_bfree; 252 uint64_t f_bavail; 253 uint64_t f_files; 254 uint64_t f_ffree; 255 l_fsid_t f_fsid; 256 l_int f_namelen; 257 l_int f_frsize; 258 l_int f_flags; 259 l_int f_spare[4]; 260 } __packed; 261 262 /* sigaction flags */ 263 #define LINUX_SA_NOCLDSTOP 0x00000001 264 #define LINUX_SA_NOCLDWAIT 0x00000002 265 #define LINUX_SA_SIGINFO 0x00000004 266 #define LINUX_SA_RESTORER 0x04000000 267 #define LINUX_SA_ONSTACK 0x08000000 268 #define LINUX_SA_RESTART 0x10000000 269 #define LINUX_SA_INTERRUPT 0x20000000 270 #define LINUX_SA_NOMASK 0x40000000 271 #define LINUX_SA_ONESHOT 0x80000000 272 273 /* sigprocmask actions */ 274 #define LINUX_SIG_BLOCK 0 275 #define LINUX_SIG_UNBLOCK 1 276 #define LINUX_SIG_SETMASK 2 277 278 /* sigaltstack */ 279 #define LINUX_MINSIGSTKSZ 2048 280 281 typedef l_uintptr_t l_handler_t; 282 typedef l_ulong l_osigset_t; 283 284 typedef struct { 285 l_handler_t lsa_handler; 286 l_osigset_t lsa_mask; 287 l_ulong lsa_flags; 288 l_uintptr_t lsa_restorer; 289 } __packed l_osigaction_t; 290 291 typedef struct { 292 l_handler_t lsa_handler; 293 l_ulong lsa_flags; 294 l_uintptr_t lsa_restorer; 295 l_sigset_t lsa_mask; 296 } __packed l_sigaction_t; 297 298 typedef struct { 299 l_uintptr_t ss_sp; 300 l_int ss_flags; 301 l_size_t ss_size; 302 } __packed l_stack_t; 303 304 /* The Linux sigcontext, pretty much a standard 386 trapframe. */ 305 struct l_sigcontext { 306 l_uint sc_gs; 307 l_uint sc_fs; 308 l_uint sc_es; 309 l_uint sc_ds; 310 l_uint sc_edi; 311 l_uint sc_esi; 312 l_uint sc_ebp; 313 l_uint sc_esp; 314 l_uint sc_ebx; 315 l_uint sc_edx; 316 l_uint sc_ecx; 317 l_uint sc_eax; 318 l_uint sc_trapno; 319 l_uint sc_err; 320 l_uint sc_eip; 321 l_uint sc_cs; 322 l_uint sc_eflags; 323 l_uint sc_esp_at_signal; 324 l_uint sc_ss; 325 l_uint sc_387; 326 l_uint sc_mask; 327 l_uint sc_cr2; 328 } __packed; 329 330 struct l_ucontext { 331 l_ulong uc_flags; 332 l_uintptr_t uc_link; 333 l_stack_t uc_stack; 334 struct l_sigcontext uc_mcontext; 335 l_sigset_t uc_sigmask; 336 } __packed; 337 338 #define LINUX_SI_MAX_SIZE 128 339 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3) 340 341 typedef union l_sigval { 342 l_int sival_int; 343 l_uintptr_t sival_ptr; 344 } l_sigval_t; 345 346 typedef struct l_siginfo { 347 l_int lsi_signo; 348 l_int lsi_errno; 349 l_int lsi_code; 350 union { 351 l_int _pad[LINUX_SI_PAD_SIZE]; 352 353 struct { 354 l_pid_t _pid; 355 l_uid_t _uid; 356 } __packed _kill; 357 358 struct { 359 l_timer_t _tid; 360 l_int _overrun; 361 char _pad[sizeof(l_uid_t) - sizeof(l_int)]; 362 l_sigval_t _sigval; 363 l_int _sys_private; 364 } __packed _timer; 365 366 struct { 367 l_pid_t _pid; /* sender's pid */ 368 l_uid_t _uid; /* sender's uid */ 369 l_sigval_t _sigval; 370 } __packed _rt; 371 372 struct { 373 l_pid_t _pid; /* which child */ 374 l_uid_t _uid; /* sender's uid */ 375 l_int _status; /* exit code */ 376 l_clock_t _utime; 377 l_clock_t _stime; 378 } __packed _sigchld; 379 380 struct { 381 l_uintptr_t _addr; /* Faulting insn/memory ref. */ 382 } __packed _sigfault; 383 384 struct { 385 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ 386 l_int _fd; 387 } __packed _sigpoll; 388 } _sifields; 389 } __packed l_siginfo_t; 390 391 #define lsi_pid _sifields._kill._pid 392 #define lsi_uid _sifields._kill._uid 393 #define lsi_tid _sifields._timer._tid 394 #define lsi_overrun _sifields._timer._overrun 395 #define lsi_sys_private _sifields._timer._sys_private 396 #define lsi_status _sifields._sigchld._status 397 #define lsi_utime _sifields._sigchld._utime 398 #define lsi_stime _sifields._sigchld._stime 399 #define lsi_value _sifields._rt._sigval 400 #define lsi_int _sifields._rt._sigval.sival_int 401 #define lsi_ptr _sifields._rt._sigval.sival_ptr 402 #define lsi_addr _sifields._sigfault._addr 403 #define lsi_band _sifields._sigpoll._band 404 #define lsi_fd _sifields._sigpoll._fd 405 406 struct l_fpreg { 407 u_int16_t significand[4]; 408 u_int16_t exponent; 409 } __packed; 410 411 struct l_fpxreg { 412 u_int16_t significand[4]; 413 u_int16_t exponent; 414 u_int16_t padding[3]; 415 } __packed; 416 417 struct l_xmmreg { 418 u_int32_t element[4]; 419 } __packed; 420 421 struct l_fpstate { 422 /* Regular FPU environment */ 423 u_int32_t cw; 424 u_int32_t sw; 425 u_int32_t tag; 426 u_int32_t ipoff; 427 u_int32_t cssel; 428 u_int32_t dataoff; 429 u_int32_t datasel; 430 struct l_fpreg _st[8]; 431 u_int16_t status; 432 u_int16_t magic; /* 0xffff = regular FPU data */ 433 434 /* FXSR FPU environment */ 435 u_int32_t _fxsr_env[6]; /* env is ignored. */ 436 u_int32_t mxcsr; 437 u_int32_t reserved; 438 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */ 439 struct l_xmmreg _xmm[8]; 440 u_int32_t padding[56]; 441 } __packed; 442 443 /* 444 * We make the stack look like Linux expects it when calling a signal 445 * handler, but use the BSD way of calling the handler and sigreturn(). 446 * This means that we need to pass the pointer to the handler too. 447 * It is appended to the frame to not interfere with the rest of it. 448 */ 449 struct l_sigframe { 450 l_int sf_sig; 451 struct l_sigcontext sf_sc; 452 struct l_fpstate sf_fpstate; 453 l_uint sf_extramask[1]; 454 l_handler_t sf_handler; 455 } __packed; 456 457 struct l_rt_sigframe { 458 l_int sf_sig; 459 l_uintptr_t sf_siginfo; 460 l_uintptr_t sf_ucontext; 461 l_siginfo_t sf_si; 462 struct l_ucontext sf_sc; 463 l_handler_t sf_handler; 464 } __packed; 465 466 /* 467 * arch specific open/fcntl flags 468 */ 469 #define LINUX_F_GETLK64 12 470 #define LINUX_F_SETLK64 13 471 #define LINUX_F_SETLKW64 14 472 473 union l_semun { 474 l_int val; 475 l_uintptr_t buf; 476 l_uintptr_t array; 477 l_uintptr_t __buf; 478 l_uintptr_t __pad; 479 } __packed; 480 481 struct l_sockaddr { 482 l_ushort sa_family; 483 char sa_data[14]; 484 } __packed; 485 486 struct l_ifmap { 487 l_ulong mem_start; 488 l_ulong mem_end; 489 l_ushort base_addr; 490 u_char irq; 491 u_char dma; 492 u_char port; 493 } __packed; 494 495 #define LINUX_IFHWADDRLEN 6 496 #define LINUX_IFNAMSIZ 16 497 498 struct l_ifreq { 499 union { 500 char ifrn_name[LINUX_IFNAMSIZ]; 501 } ifr_ifrn; 502 503 union { 504 struct l_sockaddr ifru_addr; 505 struct l_sockaddr ifru_dstaddr; 506 struct l_sockaddr ifru_broadaddr; 507 struct l_sockaddr ifru_netmask; 508 struct l_sockaddr ifru_hwaddr; 509 l_short ifru_flags[1]; 510 l_int ifru_ivalue; 511 l_int ifru_mtu; 512 struct l_ifmap ifru_map; 513 char ifru_slave[LINUX_IFNAMSIZ]; 514 l_uintptr_t ifru_data; 515 } ifr_ifru; 516 } __packed; 517 518 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */ 519 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */ 520 #define ifr_ifindex ifr_ifru.ifru_ivalue /* Interface index */ 521 522 struct l_ifconf { 523 int ifc_len; 524 union { 525 l_uintptr_t ifcu_buf; 526 l_uintptr_t ifcu_req; 527 } ifc_ifcu; 528 } __packed; 529 530 #define ifc_buf ifc_ifcu.ifcu_buf 531 #define ifc_req ifc_ifcu.ifcu_req 532 533 /* 534 * poll() 535 */ 536 #define LINUX_POLLIN 0x0001 537 #define LINUX_POLLPRI 0x0002 538 #define LINUX_POLLOUT 0x0004 539 #define LINUX_POLLERR 0x0008 540 #define LINUX_POLLHUP 0x0010 541 #define LINUX_POLLNVAL 0x0020 542 #define LINUX_POLLRDNORM 0x0040 543 #define LINUX_POLLRDBAND 0x0080 544 #define LINUX_POLLWRNORM 0x0100 545 #define LINUX_POLLWRBAND 0x0200 546 #define LINUX_POLLMSG 0x0400 547 548 struct l_pollfd { 549 l_int fd; 550 l_short events; 551 l_short revents; 552 } __packed; 553 554 struct l_user_desc { 555 l_uint entry_number; 556 l_uint base_addr; 557 l_uint limit; 558 l_uint seg_32bit:1; 559 l_uint contents:2; 560 l_uint read_exec_only:1; 561 l_uint limit_in_pages:1; 562 l_uint seg_not_present:1; 563 l_uint useable:1; 564 }; 565 566 #define LINUX_LOWERWORD 0x0000ffff 567 568 /* 569 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h. 570 * These convert Linux user space descriptor to machine one. 571 */ 572 #define LINUX_LDT_entry_a(info) \ 573 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \ 574 ((info)->limit & LINUX_LOWERWORD)) 575 576 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9 577 #define LINUX_ENTRY_B_CONTENTS 10 578 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15 579 #define LINUX_ENTRY_B_BASE_ADDR 16 580 #define LINUX_ENTRY_B_USEABLE 20 581 #define LINUX_ENTRY_B_SEG32BIT 22 582 #define LINUX_ENTRY_B_LIMIT 23 583 584 #define LINUX_LDT_entry_b(info) \ 585 (((info)->base_addr & 0xff000000) | \ 586 ((info)->limit & 0xf0000) | \ 587 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \ 588 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \ 589 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \ 590 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \ 591 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \ 592 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \ 593 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000) 594 595 #define LINUX_LDT_empty(info) \ 596 ((info)->base_addr == 0 && \ 597 (info)->limit == 0 && \ 598 (info)->contents == 0 && \ 599 (info)->seg_not_present == 1 && \ 600 (info)->read_exec_only == 1 && \ 601 (info)->seg_32bit == 0 && \ 602 (info)->limit_in_pages == 0 && \ 603 (info)->useable == 0) 604 605 /* 606 * Macros for converting segments. 607 * They do the same as those in arch/i386/kernel/process.c in Linux. 608 */ 609 #define LINUX_GET_BASE(desc) \ 610 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \ 611 (((desc)->b << 16) & 0x00ff0000) | \ 612 ((desc)->b & 0xff000000)) 613 614 #define LINUX_GET_LIMIT(desc) \ 615 (((desc)->a & LINUX_LOWERWORD) | \ 616 ((desc)->b & 0xf0000)) 617 618 #define LINUX_GET_32BIT(desc) \ 619 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1) 620 #define LINUX_GET_CONTENTS(desc) \ 621 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3) 622 #define LINUX_GET_WRITABLE(desc) \ 623 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1) 624 #define LINUX_GET_LIMIT_PAGES(desc) \ 625 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1) 626 #define LINUX_GET_PRESENT(desc) \ 627 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1) 628 #define LINUX_GET_USEABLE(desc) \ 629 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1) 630 631 struct iovec; 632 struct uio; 633 634 struct l_iovec32 { 635 uint32_t iov_base; 636 l_size_t iov_len; 637 }; 638 639 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt, 640 struct iovec **iovp, int error); 641 int linux32_copyinuio(struct l_iovec32 *iovp, l_ulong iovcnt, 642 struct uio **uiop); 643 int linux_copyout_rusage(struct rusage *ru, void *uaddr); 644 645 /* robust futexes */ 646 struct linux_robust_list { 647 l_uintptr_t next; 648 }; 649 650 struct linux_robust_list_head { 651 struct linux_robust_list list; 652 l_long futex_offset; 653 l_uintptr_t pending_list; 654 }; 655 656 #endif /* !_AMD64_LINUX_H_ */ 657