include/vki/vki-arm64-linux.h

   1
   2 /*--------------------------------------------------------------------*/
   3 /*--- ARM64/Linux-specific kernel interface.     vki-arm64-linux.h ---*/
   4 /*--------------------------------------------------------------------*/
   5
   6 /*
   7    This file is part of Valgrind, a dynamic binary instrumentation
   8    framework.
   9
  10    Copyright (C) 2013-2017 OpenWorks
  11       info@open-works.net
  12
  13    This program is free software; you can redistribute it and/or
  14    modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation; either version 2 of the
  16    License, or (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful, but
  19    WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21    General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, see <http://www.gnu.org/licenses/>.
  25
  26    The GNU General Public License is contained in the file COPYING.
  27 */
  28
  29 #ifndef __VKI_ARM64_LINUX_H
  30 #define __VKI_ARM64_LINUX_H
  31
  32 // ARM64 is little-endian.
  33 #define VKI_LITTLE_ENDIAN  1
  34
  35 //----------------------------------------------------------------------
  36 // From linux-3.9.9/include/uapi/asm-generic/int-ll64.h
  37 //----------------------------------------------------------------------
  38
  39 typedef unsigned char __vki_u8;
  40
  41 typedef __signed__ short __vki_s16;
  42 typedef unsigned short __vki_u16;
  43
  44 typedef __signed__ int __vki_s32;
  45 typedef unsigned int __vki_u32;
  46
  47 typedef __signed__ long long __vki_s64;
  48 typedef unsigned long long __vki_u64;
  49
  50 typedef unsigned short vki_u16;
  51
  52 typedef unsigned int vki_u32;
  53
  54 //----------------------------------------------------------------------
  55 // From linux-3.9.9/arch/arm64/include/asm/page.h
  56 //----------------------------------------------------------------------
  57
  58 /* Looks like arm64 can do both 4k and 64k pages, so we
  59    use the at-startup detection scheme that ppc32/64 do. */
  60 extern UWord VKI_PAGE_SHIFT;
  61 extern UWord VKI_PAGE_SIZE;
  62 #define VKI_MAX_PAGE_SHIFT      16
  63 #define VKI_MAX_PAGE_SIZE       (1UL << VKI_MAX_PAGE_SHIFT)
  64
  65 //----------------------------------------------------------------------
  66 // From linux-3.10.5/arch/arm64/include/asm/shmparam.h
  67 //----------------------------------------------------------------------
  68
  69 // Trying to make sense of this .. it seems as if, for doing
  70 // shared memory with 64 bit processes, VKI_PAGE_SIZE is good
  71 // enough.  But if sharing with a 32 bit process then we need
  72 // the old-style 16k value (4 * VKI_PAGE_SIZE) to be safe.
  73 // (From reading between the lines of arch/arm64/include/asm/shmparam.h)
  74 #define VKI_SHMLBA  (4 * VKI_PAGE_SIZE)
  75
  76 //----------------------------------------------------------------------
  77 // From linux-3.10.5/include/uapi/asm-generic/signal.h
  78 //----------------------------------------------------------------------
  79
  80 #define _VKI_NSIG       64
  81 #define _VKI_NSIG_BPW   64
  82 #define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW)
  83
  84 typedef unsigned long vki_old_sigset_t;
  85
  86 typedef struct {
  87         unsigned long sig[_VKI_NSIG_WORDS];
  88 } vki_sigset_t;
  89
  90 #define VKI_SIGHUP               1
  91 #define VKI_SIGINT               2
  92 #define VKI_SIGQUIT              3
  93 #define VKI_SIGILL               4
  94 #define VKI_SIGTRAP              5
  95 #define VKI_SIGABRT              6
  96 #define VKI_SIGBUS               7
  97 #define VKI_SIGFPE               8
  98 #define VKI_SIGKILL              9
  99 #define VKI_SIGUSR1             10
 100 #define VKI_SIGSEGV             11
 101 #define VKI_SIGUSR2             12
 102 #define VKI_SIGPIPE             13
 103 #define VKI_SIGALRM             14
 104 #define VKI_SIGTERM             15
 105 #define VKI_SIGSTKFLT           16
 106 #define VKI_SIGCHLD             17
 107 #define VKI_SIGCONT             18
 108 #define VKI_SIGSTOP             19
 109 #define VKI_SIGTSTP             20
 110 #define VKI_SIGTTIN             21
 111 #define VKI_SIGTTOU             22
 112 #define VKI_SIGURG              23
 113 #define VKI_SIGXCPU             24
 114 #define VKI_SIGXFSZ             25
 115 #define VKI_SIGVTALRM           26
 116 #define VKI_SIGPROF             27
 117 #define VKI_SIGWINCH            28
 118 #define VKI_SIGIO               29
 119 #define VKI_SIGPWR              30
 120 #define VKI_SIGSYS              31
 121 #define VKI_SIGUNUSED           31
 122
 123 #define VKI_SIGRTMIN            32
 124 #define VKI_SIGRTMAX            _VKI_NSIG
 125
 126 #define VKI_SA_NOCLDSTOP        0x00000001
 127 #define VKI_SA_NOCLDWAIT        0x00000002
 128 #define VKI_SA_SIGINFO          0x00000004
 129 #define VKI_SA_ONSTACK          0x08000000
 130 #define VKI_SA_RESTART          0x10000000
 131 #define VKI_SA_NODEFER          0x40000000
 132 #define VKI_SA_RESETHAND        0x80000000
 133
 134 #define VKI_SA_NOMASK   VKI_SA_NODEFER
 135 #define VKI_SA_ONESHOT  VKI_SA_RESETHAND
 136
 137 // This is obsolete and should not be defined for new archs
 138 #define VKI_SA_RESTORER 0x04000000
 139
 140 #define VKI_SS_ONSTACK  1
 141 #define VKI_SS_DISABLE  2
 142
 143 #define VKI_MINSIGSTKSZ 2048
 144
 145 #define VKI_SIG_BLOCK          0        /* for blocking signals */
 146 #define VKI_SIG_UNBLOCK        1        /* for unblocking signals */
 147 #define VKI_SIG_SETMASK        2        /* for setting the signal mask */
 148
 149 typedef void __vki_signalfn_t(int);
 150 typedef __vki_signalfn_t __user *__vki_sighandler_t;
 151
 152 typedef void __vki_restorefn_t(void);
 153 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
 154
 155 #define VKI_SIG_DFL     ((__vki_sighandler_t)0) /* default signal handling */
 156 #define VKI_SIG_IGN     ((__vki_sighandler_t)1) /* ignore signal */
 157
 158 struct vki_sigaction_base {
 159         // [[Nb: a 'k' prefix is added to "sa_handler" because
 160         // bits/sigaction.h (which gets dragged in somehow via signal.h)
 161         // #defines it as something else.  Since that is done for glibc's
 162         // purposes, which we don't care about here, we use our own name.]]
 163         __vki_sighandler_t ksa_handler;
 164         unsigned long sa_flags;
 165         __vki_sigrestore_t sa_restorer; // I don't think arm64 has this
 166         vki_sigset_t sa_mask;           /* mask last for extensibility */
 167 };
 168
 169 /* On Linux we use the same type for passing sigactions to
 170    and from the kernel.  Hence: */
 171 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
 172 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
 173
 174
 175 typedef struct vki_sigaltstack {
 176         void __user *ss_sp;
 177         int ss_flags;
 178         vki_size_t ss_size;
 179 } vki_stack_t;
 180
 181 //----------------------------------------------------------------------
 182 // From linux-3.10.5/arch/arm64/include/uapi/asm/sigcontext.h
 183 //----------------------------------------------------------------------
 184
 185 struct vki_sigcontext {
 186         __vki_u64 fault_address;
 187         /* AArch64 registers */
 188         __vki_u64 regs[31];
 189         __vki_u64 sp;
 190         __vki_u64 pc;
 191         __vki_u64 pstate;
 192         /* 4K reserved for FP/SIMD state and future expansion */
 193         __vki_u8 __reserved[4096] __attribute__((__aligned__(16)));
 194 };
 195
 196 //----------------------------------------------------------------------
 197 // From linux-5.0.0/arch/arm64/include/uapi/asm/siginfo.h
 198 //----------------------------------------------------------------------
 199
 200 #define __VKI_ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
 201
 202 //----------------------------------------------------------------------
 203 // From linux-3.10.5/uapi/include/asm-generic/mman-common.h
 204 //----------------------------------------------------------------------
 205
 206 #define VKI_PROT_READ   0x1             /* page can be read */
 207 #define VKI_PROT_WRITE  0x2             /* page can be written */
 208 #define VKI_PROT_EXEC   0x4             /* page can be executed */
 209 #define VKI_PROT_NONE   0x0             /* page can not be accessed */
 210 #define VKI_PROT_GROWSDOWN      0x01000000      /* mprotect flag: extend change to start of growsdown vma */
 211 #define VKI_PROT_GROWSUP        0x02000000      /* mprotect flag: extend change to end of growsup vma */
 212
 213 #define VKI_MAP_SHARED  0x01            /* Share changes */
 214 #define VKI_MAP_PRIVATE 0x02            /* Changes are private */
 215 #define VKI_MAP_FIXED   0x10            /* Interpret addr exactly */
 216 #define VKI_MAP_ANONYMOUS       0x20    /* don't use a file */
 217 #define VKI_MAP_NORESERVE       0x4000  /* don't check for reservations */
 218
 219 //----------------------------------------------------------------------
 220 // From linux-3.10.5/uapi/include/asm-generic/fcntl.h
 221 //----------------------------------------------------------------------
 222
 223 #define VKI_O_ACCMODE        03
 224 #define VKI_O_RDONLY         00
 225 #define VKI_O_WRONLY         01
 226 #define VKI_O_RDWR           02
 227 #define VKI_O_CREAT        0100 /* not fcntl */
 228 #define VKI_O_EXCL         0200 /* not fcntl */
 229 #define VKI_O_TRUNC       01000 /* not fcntl */
 230 #define VKI_O_APPEND      02000
 231 #define VKI_O_NONBLOCK    04000
 232 #define VKI_O_LARGEFILE 0100000
 233 #define VKI_O_DIRECT    0200000
 234
 235 #define VKI_AT_FDCWD            -100
 236
 237 #define VKI_F_DUPFD             0       /* dup */
 238 #define VKI_F_GETFD             1       /* get close_on_exec */
 239 #define VKI_F_SETFD             2       /* set/clear close_on_exec */
 240 #define VKI_F_GETFL             3       /* get file->f_flags */
 241 #define VKI_F_SETFL             4       /* set file->f_flags */
 242 #define VKI_F_GETLK             5
 243 #define VKI_F_SETLK             6
 244 #define VKI_F_SETLKW            7
 245
 246 #define VKI_F_SETOWN            8       /*  for sockets. */
 247 #define VKI_F_GETOWN            9       /*  for sockets. */
 248 #define VKI_F_SETSIG            10      /*  for sockets. */
 249 #define VKI_F_GETSIG            11      /*  for sockets. */
 250
 251 #define VKI_F_SETOWN_EX         15
 252 #define VKI_F_GETOWN_EX         16
 253
 254 #define VKI_F_OFD_GETLK         36
 255 #define VKI_F_OFD_SETLK         37
 256 #define VKI_F_OFD_SETLKW        38
 257
 258 #define VKI_F_OWNER_TID         0
 259 #define VKI_F_OWNER_PID         1
 260 #define VKI_F_OWNER_PGRP        2
 261
 262 struct vki_f_owner_ex {
 263         int     type;
 264         __vki_kernel_pid_t      pid;
 265 };
 266
 267 #define VKI_FD_CLOEXEC  1       /* actually anything with low bit set goes */
 268
 269 #define VKI_F_LINUX_SPECIFIC_BASE       1024
 270
 271 //----------------------------------------------------------------------
 272 // From linux-3.10.5/include/uapi/asm-generic/resource.h
 273 //----------------------------------------------------------------------
 274
 275 #define VKI_RLIMIT_DATA         2       /* max data size */
 276 #define VKI_RLIMIT_STACK        3       /* max stack size */
 277 #define VKI_RLIMIT_CORE         4       /* max core file size */
 278 #define VKI_RLIMIT_NOFILE       7       /* max number of open files */
 279
 280 //----------------------------------------------------------------------
 281 // From linux-3.10.5/include/uapi/asm-generic/socket.h
 282 //----------------------------------------------------------------------
 283
 284 #define VKI_SOL_SOCKET  1
 285
 286 #define VKI_SO_TYPE     3
 287
 288 #define VKI_SO_ATTACH_FILTER    26
 289
 290 //----------------------------------------------------------------------
 291 // From linux-3.10.5/include/uapi/asm-generic/sockios.h
 292 //----------------------------------------------------------------------
 293
 294 #define VKI_SIOCSPGRP           0x8902
 295 #define VKI_SIOCGPGRP           0x8904
 296 #define VKI_SIOCATMARK          0x8905
 297 #define VKI_SIOCGSTAMP          0x8906          /* Get stamp (timeval) */
 298 #define VKI_SIOCGSTAMPNS        0x8907          /* Get stamp (timespec) */
 299
 300 //----------------------------------------------------------------------
 301 // From linux-3.10.5/include/uapi/asm-generic/stat.h
 302 //----------------------------------------------------------------------
 303
 304 struct vki_stat {
 305         unsigned long   st_dev;
 306         unsigned long   st_ino;
 307         unsigned int    st_mode;
 308         unsigned int    st_nlink;
 309         unsigned int    st_uid;
 310         unsigned int    st_gid;
 311         unsigned long   st_rdev;
 312         unsigned long   __pad1;
 313         long            st_size;
 314         int             st_blksize;
 315         int             __pad2;
 316         long            st_blocks;
 317         long            st_atime;
 318         unsigned long   st_atime_nsec;
 319         long            st_mtime;
 320         unsigned long   st_mtime_nsec;
 321         long            st_ctime;
 322         unsigned long   st_ctime_nsec;
 323         unsigned int    __unused4;
 324         unsigned int    __unused5;
 325 };
 326
 327 //----------------------------------------------------------------------
 328 // From linux-3.10.5/include/uapi/asm-generic/statfs.h
 329 //----------------------------------------------------------------------
 330
 331 struct vki_statfs {
 332         long f_type;
 333         long f_bsize;
 334         long f_blocks;
 335         long f_bfree;
 336         long f_bavail;
 337         long f_files;
 338         long f_ffree;
 339         __vki_kernel_fsid_t f_fsid;
 340         long f_namelen;
 341         long f_frsize;
 342         long f_flags;
 343         long f_spare[4];
 344 };
 345
 346 //----------------------------------------------------------------------
 347 // From linux-3.10.5/include/uapi/asm-generic/termios.h
 348 //----------------------------------------------------------------------
 349
 350 struct vki_winsize {
 351         unsigned short ws_row;
 352         unsigned short ws_col;
 353         unsigned short ws_xpixel;
 354         unsigned short ws_ypixel;
 355 };
 356
 357 #define VKI_NCC 8
 358 struct vki_termio {
 359         unsigned short c_iflag;         /* input mode flags */
 360         unsigned short c_oflag;         /* output mode flags */
 361         unsigned short c_cflag;         /* control mode flags */
 362         unsigned short c_lflag;         /* local mode flags */
 363         unsigned char c_line;           /* line discipline */
 364         unsigned char c_cc[VKI_NCC];    /* control characters */
 365 };
 366
 367 //----------------------------------------------------------------------
 368 // From linux-3.10.5/include/uapi/asm-generic/termbits.h
 369 //----------------------------------------------------------------------
 370
 371 typedef unsigned char   vki_cc_t;
 372 typedef unsigned int    vki_tcflag_t;
 373
 374 #define VKI_NCCS 19
 375 struct vki_termios {
 376         vki_tcflag_t c_iflag;           /* input mode flags */
 377         vki_tcflag_t c_oflag;           /* output mode flags */
 378         vki_tcflag_t c_cflag;           /* control mode flags */
 379         vki_tcflag_t c_lflag;           /* local mode flags */
 380         vki_cc_t c_line;                /* line discipline */
 381         vki_cc_t c_cc[VKI_NCCS];        /* control characters */
 382 };
 383
 384 //----------------------------------------------------------------------
 385 // From linux-3.9.9/include/uapi/asm-generic/ioctl.h
 386 //----------------------------------------------------------------------
 387
 388 #define _VKI_IOC_NRBITS         8
 389 #define _VKI_IOC_TYPEBITS       8
 390 #define _VKI_IOC_SIZEBITS       14
 391 #define _VKI_IOC_DIRBITS        2
 392
 393 #define _VKI_IOC_SIZEMASK       ((1 << _VKI_IOC_SIZEBITS)-1)
 394 #define _VKI_IOC_DIRMASK        ((1 << _VKI_IOC_DIRBITS)-1)
 395
 396 #define _VKI_IOC_NRSHIFT        0
 397 #define _VKI_IOC_TYPESHIFT      (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
 398 #define _VKI_IOC_SIZESHIFT      (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
 399 #define _VKI_IOC_DIRSHIFT       (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
 400
 401 #define _VKI_IOC_NONE   0U
 402 #define _VKI_IOC_WRITE  1U
 403 #define _VKI_IOC_READ   2U
 404
 405 #define _VKI_IOC(dir,type,nr,size) \
 406         (((dir)  << _VKI_IOC_DIRSHIFT) | \
 407          ((type) << _VKI_IOC_TYPESHIFT) | \
 408          ((nr)   << _VKI_IOC_NRSHIFT) | \
 409          ((size) << _VKI_IOC_SIZESHIFT))
 410
 411 #define _VKI_IO(type,nr)        _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
 412 #define _VKI_IOR(type,nr,size)  _VKI_IOC(_VKI_IOC_READ,(type),(nr),sizeof(size))
 413 #define _VKI_IOW(type,nr,size)  _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),sizeof(size))
 414 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),sizeof(size))
 415
 416 #define _VKI_IOC_DIR(nr)                (((nr) >> _VKI_IOC_DIRSHIFT) & _VKI_IOC_DIRMASK)
 417 #define _VKI_IOC_SIZE(nr)               (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
 418
 419 //----------------------------------------------------------------------
 420 // From linux-3.10.5/include/uapi/asm-generic/ioctls.h
 421 //----------------------------------------------------------------------
 422
 423 #define VKI_TCGETS      0x5401
 424 #define VKI_TCSETS      0x5402
 425 #define VKI_TCSETSW     0x5403
 426 #define VKI_TCSETSF     0x5404
 427 #define VKI_TCGETA      0x5405
 428 #define VKI_TCSETA      0x5406
 429 #define VKI_TCSETAW     0x5407
 430 #define VKI_TCSETAF     0x5408
 431 #define VKI_TCSBRK      0x5409
 432 #define VKI_TCXONC      0x540A
 433 #define VKI_TCFLSH      0x540B
 434 #define VKI_TIOCSCTTY   0x540E
 435 #define VKI_TIOCGPGRP   0x540F
 436 #define VKI_TIOCSPGRP   0x5410
 437 #define VKI_TIOCOUTQ    0x5411
 438 #define VKI_TIOCGWINSZ  0x5413
 439 #define VKI_TIOCSWINSZ  0x5414
 440 #define VKI_TIOCMGET    0x5415
 441 #define VKI_TIOCMBIS    0x5416
 442 #define VKI_TIOCMBIC    0x5417
 443 #define VKI_TIOCMSET    0x5418
 444 #define VKI_FIONREAD    0x541B
 445 #define VKI_TIOCLINUX   0x541C
 446 #define VKI_FIONBIO     0x5421
 447 #define VKI_TIOCNOTTY   0x5422
 448 #define VKI_TCSBRKP     0x5425
 449 #define VKI_TIOCGPTN    _VKI_IOR('T',0x30, unsigned int)
 450 #define VKI_TIOCSPTLCK  _VKI_IOW('T',0x31, int)
 451
 452 #define VKI_FIONCLEX    0x5450
 453 #define VKI_FIOCLEX     0x5451
 454 #define VKI_FIOASYNC    0x5452
 455 #define VKI_TIOCSERGETLSR   0x5459
 456
 457 #define VKI_TIOCGICOUNT 0x545D
 458
 459 //----------------------------------------------------------------------
 460 // From linux-3.9.9/include/uapi/asm-generic/poll.h
 461 //----------------------------------------------------------------------
 462
 463 #define VKI_POLLIN              0x0001
 464
 465 struct vki_pollfd {
 466         int fd;
 467         short events;
 468         short revents;
 469 };
 470
 471 //----------------------------------------------------------------------
 472 // From linux-3.10.5/arch/arm64/include/uapi/asm/ptrace.h
 473 //----------------------------------------------------------------------
 474
 475 //ZZ struct vki_user_i387_struct {
 476 //ZZ    unsigned short  cwd;
 477 //ZZ    unsigned short  swd;
 478 //ZZ    unsigned short  twd; /* Note this is not the same as the 32bit/x87/FSAVE twd */
 479 //ZZ    unsigned short  fop;
 480 //ZZ    __vki_u64       rip;
 481 //ZZ    __vki_u64       rdp;
 482 //ZZ    __vki_u32       mxcsr;
 483 //ZZ    __vki_u32       mxcsr_mask;
 484 //ZZ    __vki_u32       st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
 485 //ZZ    __vki_u32       xmm_space[64];  /* 16*16 bytes for each XMM-reg = 256 bytes */
 486 //ZZ    __vki_u32       padding[24];
 487 //ZZ };
 488 //ZZ
 489 //ZZ struct vki_user_regs_struct {
 490 //ZZ    unsigned long r15,r14,r13,r12,rbp,rbx,r11,r10;
 491 //ZZ    unsigned long r9,r8,rax,rcx,rdx,rsi,rdi,orig_rax;
 492 //ZZ    unsigned long rip,cs,eflags;
 493 //ZZ    unsigned long rsp,ss;
 494 //ZZ    unsigned long fs_base, gs_base;
 495 //ZZ    unsigned long ds,es,fs,gs;
 496 //ZZ };
 497
 498 struct vki_user_pt_regs {
 499         __vki_u64           regs[31];
 500         __vki_u64           sp;
 501         __vki_u64           pc;
 502         __vki_u64           pstate;
 503 };
 504
 505 /* I think that the new name in the kernel for these is "user_pt_regs"
 506    and the old name is "user_regs_struct".  Unfortunately can't clone
 507    a 'struct' type using 'typedef' and still have a 'struct' type, so
 508    use a blunter instrument instead. */
 509 #define vki_user_regs_struct vki_user_pt_regs
 510
 511 struct vki_user_fpsimd_state {
 512         __uint128_t     vregs[32];
 513         __vki_u32           fpsr;
 514         __vki_u32           fpcr;
 515 };
 516
 517 //----------------------------------------------------------------------
 518 // From linux-3.9.9/arch/arm64/include/asm/elf.h
 519 //----------------------------------------------------------------------
 520
 521 typedef unsigned long vki_elf_greg_t;
 522
 523 #define VKI_ELF_NGREG (sizeof (struct vki_user_pt_regs) / sizeof(vki_elf_greg_t))
 524 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
 525
 526 typedef struct vki_user_fpsimd_state vki_elf_fpregset_t;
 527
 528 //----------------------------------------------------------------------
 529 // From linux-3.10.5/arch/arm64/include/asm/ucontext.h
 530 //----------------------------------------------------------------------
 531
 532 struct vki_ucontext {
 533         unsigned long           uc_flags;
 534         struct vki_ucontext    *uc_link;
 535         vki_stack_t             uc_stack;
 536         vki_sigset_t            uc_sigmask;
 537         /* glibc uses a 1024-bit sigset_t */
 538         __vki_u8                __unused0[1024 / 8 - sizeof(vki_sigset_t)];
 539         /* last for future expansion */
 540         struct vki_sigcontext   uc_mcontext;
 541 };
 542
 543 //ZZ //----------------------------------------------------------------------
 544 //ZZ // From linux-2.6.9/include/asm-x86_64/segment.h
 545 //ZZ //----------------------------------------------------------------------
 546 //ZZ
 547 //ZZ #define VKI_GDT_ENTRY_TLS_ENTRIES 3
 548 //ZZ
 549 //ZZ #define VKI_GDT_ENTRY_TLS_MIN 11
 550 //ZZ #define VKI_GDT_ENTRY_TLS_MAX 13
 551 //ZZ
 552 //ZZ //----------------------------------------------------------------------
 553 //ZZ // From linux-2.6.11.9/include/asm-x86_64/prctl.h
 554 //ZZ //----------------------------------------------------------------------
 555 //ZZ
 556 //ZZ #define VKI_ARCH_SET_GS 0x1001
 557 //ZZ #define VKI_ARCH_SET_FS 0x1002
 558 //ZZ #define VKI_ARCH_GET_FS 0x1003
 559 //ZZ #define VKI_ARCH_GET_GS 0x1004
 560 //ZZ
 561 //ZZ //----------------------------------------------------------------------
 562 //ZZ // From linux-2.6.9/include/asm-x86_64/ldt.h
 563 //ZZ //----------------------------------------------------------------------
 564 //ZZ
 565 //ZZ // I think this LDT stuff will have to be reinstated for amd64, but I'm not
 566 //ZZ // certain.  (Nb: The sys_arch_prctl seems to have replaced
 567 //ZZ // [gs]et_thread_area syscalls.)
 568 //ZZ //
 569 //ZZ // Note that the type here is very slightly different to the
 570 //ZZ // type for x86 (the final 'lm' field is added);  I'm not sure about the
 571 //ZZ // significance of that... --njn
 572 //ZZ
 573 //ZZ /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
 574 //ZZ    to confuse and annoy everyone, this is _not_ the same as an
 575 //ZZ    VgLdtEntry and has to be translated into such.  The logic for doing
 576 //ZZ    so, in vg_ldt.c, is copied from the kernel sources.]] */
 577 //ZZ /* Note also that a comment in ldt.h indicates that the below
 578 //ZZ    contains several fields ignored on 64bit, and that modify_ldt
 579 //ZZ    is rather for 32bit. */
 580 //ZZ struct vki_user_desc {
 581 //ZZ    unsigned int  entry_number;
 582 //ZZ    unsigned long base_addr;
 583 //ZZ    unsigned int  limit;
 584 //ZZ    unsigned int  seg_32bit:1;
 585 //ZZ    unsigned int  contents:2;
 586 //ZZ    unsigned int  read_exec_only:1;
 587 //ZZ    unsigned int  limit_in_pages:1;
 588 //ZZ    unsigned int  seg_not_present:1;
 589 //ZZ    unsigned int  useable:1;
 590 //ZZ         unsigned int  lm:1;
 591 //ZZ };
 592 //ZZ
 593 //ZZ // [[Nb: for our convenience within Valgrind, use a more specific name]]
 594
 595 typedef char vki_modify_ldt_t;
 596
 597 //----------------------------------------------------------------------
 598 // From linux-3.10.5/include/asm-generic/ipcbuf.h
 599 //----------------------------------------------------------------------
 600
 601 struct vki_ipc64_perm
 602 {
 603         __vki_kernel_key_t      key;
 604         __vki_kernel_uid32_t    uid;
 605         __vki_kernel_gid32_t    gid;
 606         __vki_kernel_uid32_t    cuid;
 607         __vki_kernel_gid32_t    cgid;
 608         __vki_kernel_mode_t     mode;
 609         unsigned char           __pad1[4 - sizeof(__vki_kernel_mode_t)];
 610         unsigned short          seq;
 611         unsigned short          __pad2;
 612         unsigned long           __unused1;
 613         unsigned long           __unused2;
 614 };
 615
 616 //----------------------------------------------------------------------
 617 // From linux-3.10.5/include/uapi/asm-generic/sembuf.h
 618 //----------------------------------------------------------------------
 619
 620 struct vki_semid64_ds {
 621         struct vki_ipc64_perm sem_perm;         /* permissions .. see ipc.h */
 622         __vki_kernel_time_t     sem_otime;              /* last semop time */
 623         __vki_kernel_time_t     sem_ctime;              /* last change time */
 624         unsigned long   sem_nsems;              /* no. of semaphores in array */
 625         unsigned long   __unused3;
 626         unsigned long   __unused4;
 627 };
 628
 629 //----------------------------------------------------------------------
 630 // From linux-3.10.5/include/uapi/asm-generic/msgbuf.h
 631 //----------------------------------------------------------------------
 632
 633 struct vki_msqid64_ds {
 634         struct vki_ipc64_perm msg_perm;
 635         __vki_kernel_time_t msg_stime;  /* last msgsnd time */
 636         __vki_kernel_time_t msg_rtime;  /* last msgrcv time */
 637         __vki_kernel_time_t msg_ctime;  /* last change time */
 638         unsigned long  msg_cbytes;      /* current number of bytes on queue */
 639         unsigned long  msg_qnum;        /* number of messages in queue */
 640         unsigned long  msg_qbytes;      /* max number of bytes on queue */
 641         __vki_kernel_pid_t msg_lspid;   /* pid of last msgsnd */
 642         __vki_kernel_pid_t msg_lrpid;   /* last receive pid */
 643         unsigned long  __unused4;
 644         unsigned long  __unused5;
 645 };
 646
 647 //----------------------------------------------------------------------
 648 // From linux-3.10.5/include/uapi/asm-generic/shmbuf.h
 649 //----------------------------------------------------------------------
 650
 651 struct vki_shmid64_ds {
 652         struct vki_ipc64_perm   shm_perm;       /* operation perms */
 653         vki_size_t              shm_segsz;      /* size of segment (bytes) */
 654         __vki_kernel_time_t     shm_atime;      /* last attach time */
 655         __vki_kernel_time_t     shm_dtime;      /* last detach time */
 656         __vki_kernel_time_t     shm_ctime;      /* last change time */
 657         __vki_kernel_pid_t      shm_cpid;       /* pid of creator */
 658         __vki_kernel_pid_t      shm_lpid;       /* pid of last operator */
 659         unsigned long           shm_nattch;     /* no. of current attaches */
 660         unsigned long           __unused4;
 661         unsigned long           __unused5;
 662 };
 663
 664 struct vki_shminfo64 {
 665         unsigned long   shmmax;
 666         unsigned long   shmmin;
 667         unsigned long   shmmni;
 668         unsigned long   shmseg;
 669         unsigned long   shmall;
 670         unsigned long   __unused1;
 671         unsigned long   __unused2;
 672         unsigned long   __unused3;
 673         unsigned long   __unused4;
 674 };
 675
 676 //----------------------------------------------------------------------
 677 // From linux-3.9.9/arch/arm64/include/asm/ptrace.h
 678 //----------------------------------------------------------------------
 679
 680 #define VKI_PTRACE_GETREGS            12
 681 #define VKI_PTRACE_SETREGS            13
 682 //#define VKI_PTRACE_GETFPREGS          14
 683 //#define VKI_PTRACE_SETFPREGS          15
 684
 685 //----------------------------------------------------------------------
 686 // From linux-2.6.8.1/include/asm-generic/errno.h
 687 //----------------------------------------------------------------------
 688
 689 #define VKI_ENOSYS       38  /* Function not implemented */
 690 #define VKI_EOVERFLOW    75  /* Value too large for defined data type */
 691
 692 //----------------------------------------------------------------------
 693 // From linux-3.19.0/include/uapi/asm-generic/ioctls.h
 694 //----------------------------------------------------------------------
 695
 696 #define VKI_TIOCGSERIAL     0x541E
 697 #define VKI_TIOCSSERIAL     0x541F
 698
 699 //----------------------------------------------------------------------
 700 // From linux-4.17/include/uapi/asm-generic/ioctls.h
 701 //----------------------------------------------------------------------
 702
 703 #define VKI_HWCAP_FP                (1 << 0)
 704 #define VKI_HWCAP_ASIMD             (1 << 1)
 705 #define VKI_HWCAP_EVTSTRM           (1 << 2)
 706 #define VKI_HWCAP_AES               (1 << 3)
 707 #define VKI_HWCAP_PMULL             (1 << 4)
 708 #define VKI_HWCAP_SHA1              (1 << 5)
 709 #define VKI_HWCAP_SHA2              (1 << 6)
 710 #define VKI_HWCAP_CRC32             (1 << 7)
 711 #define VKI_HWCAP_ATOMICS           (1 << 8)
 712 #define VKI_HWCAP_FPHP              (1 << 9)
 713 #define VKI_HWCAP_ASIMDHP           (1 << 10)
 714 #define VKI_HWCAP_CPUID             (1 << 11)
 715 #define VKI_HWCAP_ASIMDRDM          (1 << 12)
 716 #define VKI_HWCAP_JSCVT             (1 << 13)
 717 #define VKI_HWCAP_FCMA              (1 << 14)
 718 #define VKI_HWCAP_LRCPC             (1 << 15)
 719 #define VKI_HWCAP_DCPOP             (1 << 16)
 720 #define VKI_HWCAP_SHA3              (1 << 17)
 721 #define VKI_HWCAP_SM3               (1 << 18)
 722 #define VKI_HWCAP_SM4               (1 << 19)
 723 #define VKI_HWCAP_ASIMDDP           (1 << 20)
 724 #define VKI_HWCAP_SHA512            (1 << 21)
 725 #define VKI_HWCAP_SVE               (1 << 22)
 726 #define VKI_HWCAP_ASIMDFHM          (1 << 23)
 727 #define VKI_HWCAP_DIT               (1 << 24)
 728 #define VKI_HWCAP_USCAT             (1 << 25)
 729 #define VKI_HWCAP_ILRCPC            (1 << 26)
 730 #define VKI_HWCAP_FLAGM             (1 << 27)
 731
 732 //----------------------------------------------------------------------
 733 // And that's it!
 734 //----------------------------------------------------------------------
 735
 736 #endif // __VKI_ARM64_LINUX_H
 737
 738 /*--------------------------------------------------------------------*/
 739 /*--- end                                                          ---*/
 740 /*--------------------------------------------------------------------*/