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