coregrind/m_syswrap/priv_syswrap-linux.h

   1
   2 /*--------------------------------------------------------------------*/
   3 /*--- Linux-specific syscalls stuff.          priv_syswrap-linux.h ---*/
   4 /*--------------------------------------------------------------------*/
   5
   6 /*
   7    This file is part of Valgrind, a dynamic binary instrumentation
   8    framework.
   9
  10    Copyright (C) 2000-2017 Nicholas Nethercote
  11       njn@valgrind.org
  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 __PRIV_SYSWRAP_LINUX_H
  30 #define __PRIV_SYSWRAP_LINUX_H
  31
  32 #include "pub_core_basics.h"     // ThreadId
  33 #include "priv_types_n_macros.h" // DECL_TEMPLATE
  34
  35 // Clone-related functions
  36 extern Word ML_(start_thread_NORETURN) ( void* arg );
  37 extern Addr ML_(allocstack)            ( ThreadId tid );
  38 extern void ML_(call_on_new_stack_0_1) ( Addr stack, Addr retaddr,
  39                                          void (*f)(Word), Word arg1 );
  40
  41 // Linux-specific (but non-arch-specific) syscalls
  42
  43 DECL_TEMPLATE(linux, sys_clone)
  44 DECL_TEMPLATE(linux, sys_mount);
  45 DECL_TEMPLATE(linux, sys_oldumount);
  46 DECL_TEMPLATE(linux, sys_umount);
  47 DECL_TEMPLATE(linux, sys_perf_event_open);
  48 DECL_TEMPLATE(linux, sys_preadv);
  49 DECL_TEMPLATE(linux, sys_preadv2);
  50 DECL_TEMPLATE(linux, sys_pwritev);
  51 DECL_TEMPLATE(linux, sys_pwritev2);
  52 DECL_TEMPLATE(linux, sys_sendmmsg);
  53 DECL_TEMPLATE(linux, sys_recvmmsg);
  54 DECL_TEMPLATE(linux, sys_dup3);
  55 DECL_TEMPLATE(linux, sys_getcpu);
  56 DECL_TEMPLATE(linux, sys_splice);
  57 DECL_TEMPLATE(linux, sys_tee);
  58 DECL_TEMPLATE(linux, sys_vmsplice);
  59 DECL_TEMPLATE(linux, sys_readahead);
  60 DECL_TEMPLATE(linux, sys_move_pages);
  61
  62 // clone is similar enough between linux variants to have a generic
  63 // version, but which will call an extern defined in syswrap-<platform>-linux.c
  64 DECL_TEMPLATE(linux, sys_clone);
  65
  66 // POSIX, but various sub-cases differ between Linux and Darwin.
  67 DECL_TEMPLATE(linux, sys_fcntl);
  68 DECL_TEMPLATE(linux, sys_fcntl64);
  69 DECL_TEMPLATE(linux, sys_ioctl);
  70
  71 DECL_TEMPLATE(linux, sys_setfsuid16);
  72 DECL_TEMPLATE(linux, sys_setfsuid);
  73 DECL_TEMPLATE(linux, sys_setfsgid16);
  74 DECL_TEMPLATE(linux, sys_setfsgid);
  75 DECL_TEMPLATE(linux, sys_setresuid16);  // man page says "non-standard";
  76 DECL_TEMPLATE(linux, sys_setresuid);    // man page says "non-standard"
  77 DECL_TEMPLATE(linux, sys_getresuid16);
  78 DECL_TEMPLATE(linux, sys_getresuid);
  79 DECL_TEMPLATE(linux, sys_setresgid16);  // man page says "non-standard"
  80 DECL_TEMPLATE(linux, sys_setresgid);    // man page says "non-standard"
  81 DECL_TEMPLATE(linux, sys_getresgid16);
  82 DECL_TEMPLATE(linux, sys_getresgid);
  83
  84 DECL_TEMPLATE(linux, sys_exit_group);
  85 DECL_TEMPLATE(linux, sys_llseek);
  86 DECL_TEMPLATE(linux, sys_adjtimex);
  87 DECL_TEMPLATE(linux, sys_ioperm);
  88 DECL_TEMPLATE(linux, sys_syslog);
  89 DECL_TEMPLATE(linux, sys_vhangup);
  90 DECL_TEMPLATE(linux, sys_sysinfo);
  91 DECL_TEMPLATE(linux, sys_personality);
  92 DECL_TEMPLATE(linux, sys_pivot_root);
  93 DECL_TEMPLATE(linux, sys_sysctl);
  94 DECL_TEMPLATE(linux, sys_prctl);
  95 DECL_TEMPLATE(linux, sys_sendfile);
  96 DECL_TEMPLATE(linux, sys_sendfile64);
  97 DECL_TEMPLATE(linux, sys_futex);
  98 DECL_TEMPLATE(linux, sys_set_robust_list);
  99 DECL_TEMPLATE(linux, sys_get_robust_list);
 100 DECL_TEMPLATE(linux, sys_pselect6);
 101 DECL_TEMPLATE(linux, sys_ppoll);
 102
 103 DECL_TEMPLATE(linux, sys_epoll_create);
 104 DECL_TEMPLATE(linux, sys_epoll_create1);
 105 DECL_TEMPLATE(linux, sys_epoll_ctl);
 106 DECL_TEMPLATE(linux, sys_epoll_wait);
 107 DECL_TEMPLATE(linux, sys_epoll_pwait);
 108 DECL_TEMPLATE(linux, sys_eventfd);
 109 DECL_TEMPLATE(linux, sys_eventfd2);
 110
 111 DECL_TEMPLATE(linux, sys_fallocate);
 112
 113 DECL_TEMPLATE(linux, sys_prlimit64);
 114
 115 DECL_TEMPLATE(linux, sys_gettid);
 116 DECL_TEMPLATE(linux, sys_set_tid_address);
 117 DECL_TEMPLATE(linux, sys_tkill);
 118 DECL_TEMPLATE(linux, sys_tgkill);
 119
 120 DECL_TEMPLATE(linux, sys_fadvise64);
 121 DECL_TEMPLATE(linux, sys_fadvise64_64);
 122
 123 DECL_TEMPLATE(linux, sys_io_setup);
 124 DECL_TEMPLATE(linux, sys_io_destroy);
 125 DECL_TEMPLATE(linux, sys_io_getevents);
 126 DECL_TEMPLATE(linux, sys_io_submit);
 127 DECL_TEMPLATE(linux, sys_io_cancel);
 128
 129 DECL_TEMPLATE(linux, sys_ioprio_set);
 130 DECL_TEMPLATE(linux, sys_ioprio_get);
 131
 132 DECL_TEMPLATE(linux, sys_mbind);
 133 DECL_TEMPLATE(linux, sys_set_mempolicy);
 134 DECL_TEMPLATE(linux, sys_get_mempolicy);
 135
 136 DECL_TEMPLATE(linux, sys_inotify_init);
 137 DECL_TEMPLATE(linux, sys_inotify_init1);
 138 DECL_TEMPLATE(linux, sys_inotify_add_watch);
 139 DECL_TEMPLATE(linux, sys_inotify_rm_watch);
 140
 141 DECL_TEMPLATE(linux, sys_mq_open);
 142 DECL_TEMPLATE(linux, sys_mq_unlink);
 143 DECL_TEMPLATE(linux, sys_mq_timedsend);
 144 DECL_TEMPLATE(linux, sys_mq_timedreceive);
 145 DECL_TEMPLATE(linux, sys_mq_notify);
 146 DECL_TEMPLATE(linux, sys_mq_getsetattr);
 147
 148 DECL_TEMPLATE(linux, sys_clock_settime);
 149 DECL_TEMPLATE(linux, sys_clock_gettime);
 150 DECL_TEMPLATE(linux, sys_clock_getres);
 151 DECL_TEMPLATE(linux, sys_clock_nanosleep);
 152 DECL_TEMPLATE(linux, sys_clock_adjtime);
 153
 154 DECL_TEMPLATE(linux, sys_timer_create);      // Linux: varies across archs?
 155 DECL_TEMPLATE(linux, sys_timer_settime);
 156 DECL_TEMPLATE(linux, sys_timer_gettime);
 157 DECL_TEMPLATE(linux, sys_timer_getoverrun);
 158 DECL_TEMPLATE(linux, sys_timer_delete);
 159 DECL_TEMPLATE(linux, sys_timerfd_create);
 160 DECL_TEMPLATE(linux, sys_timerfd_gettime);
 161 DECL_TEMPLATE(linux, sys_timerfd_settime);
 162
 163 DECL_TEMPLATE(linux, sys_signalfd);
 164 DECL_TEMPLATE(linux, sys_signalfd4);
 165
 166 DECL_TEMPLATE(linux, sys_capget);
 167 DECL_TEMPLATE(linux, sys_capset);
 168
 169 DECL_TEMPLATE(linux, sys_openat);
 170 DECL_TEMPLATE(linux, sys_mkdirat);
 171 DECL_TEMPLATE(linux, sys_mknodat);
 172 DECL_TEMPLATE(linux, sys_fchownat);
 173 DECL_TEMPLATE(linux, sys_futimesat);
 174 DECL_TEMPLATE(linux, sys_newfstatat);
 175 DECL_TEMPLATE(linux, sys_unlinkat);
 176 DECL_TEMPLATE(linux, sys_renameat);
 177 DECL_TEMPLATE(linux, sys_renameat2);
 178 DECL_TEMPLATE(linux, sys_linkat);
 179 DECL_TEMPLATE(linux, sys_symlinkat);
 180 DECL_TEMPLATE(linux, sys_readlinkat);
 181 DECL_TEMPLATE(linux, sys_fchmodat);
 182 DECL_TEMPLATE(linux, sys_faccessat);
 183 DECL_TEMPLATE(linux, sys_faccessat2);
 184 DECL_TEMPLATE(linux, sys_utimensat);
 185 DECL_TEMPLATE(linux, sys_name_to_handle_at);
 186 DECL_TEMPLATE(linux, sys_open_by_handle_at);
 187
 188 DECL_TEMPLATE(linux, sys_add_key);
 189 DECL_TEMPLATE(linux, sys_request_key);
 190 DECL_TEMPLATE(linux, sys_keyctl);
 191
 192 // These ones have 32-bit generic equivalents, but the 16-bit versions (they
 193 // use 16-bit gid_t and uid_t types) seem to be Linux-specific.
 194 DECL_TEMPLATE(linux, sys_getuid16);
 195 DECL_TEMPLATE(linux, sys_setuid16);
 196 DECL_TEMPLATE(linux, sys_getgid16);
 197 DECL_TEMPLATE(linux, sys_setgid16);
 198 DECL_TEMPLATE(linux, sys_geteuid16);
 199 DECL_TEMPLATE(linux, sys_getegid16);
 200 DECL_TEMPLATE(linux, sys_setreuid16);
 201 DECL_TEMPLATE(linux, sys_setregid16);
 202 DECL_TEMPLATE(linux, sys_getgroups16);
 203 DECL_TEMPLATE(linux, sys_setgroups16);
 204
 205 // Again, these 16-bit versions are Linux-specific, the 32-bit versions are
 206 // generic.
 207 DECL_TEMPLATE(linux, sys_chown16);
 208 DECL_TEMPLATE(linux, sys_fchown16);
 209 //DECL_TEMPLATE(linux, sys_lchown16);      // not yet encountered
 210
 211 // Are these POSIX?  In Darwin they have an extra parameter 'position',
 212 // so put them here.
 213 DECL_TEMPLATE(linux, sys_setxattr);
 214 DECL_TEMPLATE(linux, sys_lsetxattr);
 215 DECL_TEMPLATE(linux, sys_fsetxattr);
 216 DECL_TEMPLATE(linux, sys_getxattr);
 217 DECL_TEMPLATE(linux, sys_lgetxattr);
 218 DECL_TEMPLATE(linux, sys_fgetxattr);
 219 DECL_TEMPLATE(linux, sys_listxattr);
 220 DECL_TEMPLATE(linux, sys_llistxattr);
 221 DECL_TEMPLATE(linux, sys_flistxattr);
 222 DECL_TEMPLATE(linux, sys_removexattr);
 223 DECL_TEMPLATE(linux, sys_lremovexattr);
 224 DECL_TEMPLATE(linux, sys_fremovexattr);
 225
 226 // These are Posix, but not necessarily syscalls.  Darwin only supports
 227 // sched_get_priority_{min,max} and sched_yield, but as libc functions, not
 228 // syscalls.
 229 DECL_TEMPLATE(linux, sys_sched_setparam);
 230 DECL_TEMPLATE(linux, sys_sched_getparam);
 231 DECL_TEMPLATE(linux, sys_sched_setattr);
 232 DECL_TEMPLATE(linux, sys_sched_getattr);
 233 DECL_TEMPLATE(linux, sys_sched_setscheduler);
 234 DECL_TEMPLATE(linux, sys_sched_getscheduler);
 235 DECL_TEMPLATE(linux, sys_sched_yield);
 236 DECL_TEMPLATE(linux, sys_sched_get_priority_max);
 237 DECL_TEMPLATE(linux, sys_sched_get_priority_min);
 238 DECL_TEMPLATE(linux, sys_sched_rr_get_interval);
 239 DECL_TEMPLATE(linux, sys_sched_setaffinity);
 240 DECL_TEMPLATE(linux, sys_sched_getaffinity);
 241
 242 DECL_TEMPLATE(linux, sys_unshare);
 243 DECL_TEMPLATE(linux, sys_setns);
 244
 245 // These ones have different parameters and/or return values on Darwin.
 246 // Also, some archs on Linux do not match the generic wrapper for sys_pipe.
 247 DECL_TEMPLATE(linux, sys_munlockall);
 248 DECL_TEMPLATE(linux, sys_pipe);
 249 DECL_TEMPLATE(linux, sys_pipe2);
 250 DECL_TEMPLATE(linux, sys_quotactl);
 251 DECL_TEMPLATE(linux, sys_waitid);
 252
 253 // Posix, but in Darwin utime is a libc function that calls syscall utimes.
 254 DECL_TEMPLATE(linux, sys_utime);
 255
 256 // On Darwin, off_t is 64-bits even on 32-bit platforms.
 257 DECL_TEMPLATE(linux, sys_lseek);
 258
 259 // Darwin (and probably other OSes) don't have the old_sigset_t type.
 260 DECL_TEMPLATE(linux, sys_sigpending);
 261 DECL_TEMPLATE(linux, sys_sigprocmask);
 262 DECL_TEMPLATE(linux, sys_sigaction);
 263
 264 // I think these are Linux-specific?
 265 DECL_TEMPLATE(linux, sys_rt_sigaction);
 266 DECL_TEMPLATE(linux, sys_rt_sigprocmask);
 267 DECL_TEMPLATE(linux, sys_rt_sigpending);
 268 DECL_TEMPLATE(linux, sys_rt_sigtimedwait);
 269 DECL_TEMPLATE(linux, sys_rt_sigqueueinfo);
 270 DECL_TEMPLATE(linux, sys_rt_tgsigqueueinfo);
 271 DECL_TEMPLATE(linux, sys_rt_sigsuspend);
 272
 273 // Linux-specific?
 274 DECL_TEMPLATE(linux, sys_sync_file_range);
 275 DECL_TEMPLATE(linux, sys_sync_file_range2);
 276 DECL_TEMPLATE(linux, sys_stime);  /* maybe generic?  I'm not sure */
 277
 278 // Linux specific (kernel modules)
 279 DECL_TEMPLATE(linux, sys_init_module);
 280 DECL_TEMPLATE(linux, sys_finit_module);
 281 DECL_TEMPLATE(linux, sys_delete_module);
 282
 283 // Linux-specific (oprofile-related)
 284 DECL_TEMPLATE(linux, sys_lookup_dcookie);        // (*/32/64) L
 285
 286 // Linux-specific (new in Linux 3.2)
 287 DECL_TEMPLATE(linux, sys_process_vm_readv);
 288 DECL_TEMPLATE(linux, sys_process_vm_writev);
 289
 290 // Linux-specific (new in Linux 2.6.36)
 291 DECL_TEMPLATE(linux, sys_fanotify_init);
 292 DECL_TEMPLATE(linux, sys_fanotify_mark);
 293
 294 // Linux-specific (new in Linux 3.17)
 295 DECL_TEMPLATE(linux, sys_getrandom);
 296 DECL_TEMPLATE(linux, sys_memfd_create);
 297
 298 DECL_TEMPLATE(linux, sys_syncfs);
 299
 300 DECL_TEMPLATE(linux, sys_membarrier);
 301
 302 // Linux-specific (new in Linux 3.18)
 303 DECL_TEMPLATE(linux, sys_bpf);
 304
 305 // Linux-specific (new in Linux 3.19)
 306 DECL_TEMPLATE(linux, sys_execveat);
 307
 308 // Linux-specific (new in Linux 4.11)
 309 DECL_TEMPLATE(linux, sys_statx);
 310
 311 // Linux-specific memory protection key syscalls (since Linux 4.9)
 312 DECL_TEMPLATE(linux, sys_pkey_alloc);
 313 DECL_TEMPLATE(linux, sys_pkey_free);
 314 DECL_TEMPLATE(linux, sys_pkey_mprotect);
 315
 316 // Linux io_uring system calls. See also commit 2b188cc1bb85 ("Add io_uring IO
 317 // interface") # v5.1. See also commit edafccee56ff ("io_uring: add support
 318 // for pre-mapped user IO buffers") # v5.1.
 319 DECL_TEMPLATE(linux, sys_io_uring_setup);
 320 DECL_TEMPLATE(linux, sys_io_uring_enter);
 321 DECL_TEMPLATE(linux, sys_io_uring_register);
 322
 323 // Linux-specific (new in Linux 5.9)
 324 DECL_TEMPLATE(linux, sys_close_range);
 325
 326 /* ---------------------------------------------------------------------
 327    Wrappers for sockets and ipc-ery.  These are split into standalone
 328    procedures because x86-linux hides them inside multiplexors
 329    (sys_socketcall and sys_ipc).
 330    ------------------------------------------------------------------ */
 331
 332 #define TId ThreadId
 333 #define UW  UWord
 334 #define SR  SysRes
 335
 336 extern void ML_(linux_PRE_sys_msgsnd)      ( TId, UW, UW, UW, UW );
 337 extern void ML_(linux_PRE_sys_msgrcv)      ( TId, UW, UW, UW, UW, UW );
 338 extern void ML_(linux_POST_sys_msgrcv)     ( TId, UW, UW, UW, UW, UW, UW );
 339 extern void ML_(linux_PRE_sys_msgctl)      ( TId, UW, UW, UW );
 340 extern void ML_(linux_POST_sys_msgctl)     ( TId, UW, UW, UW, UW );
 341 extern void ML_(linux_PRE_sys_getsockopt)  ( TId, UW, UW, UW, UW, UW );
 342 extern void ML_(linux_POST_sys_getsockopt) ( TId, SR, UW, UW, UW, UW, UW );
 343 extern void ML_(linux_PRE_sys_setsockopt)  ( TId, UW, UW, UW, UW, UW );
 344 extern void ML_(linux_PRE_sys_recvmmsg)    ( TId, UW, UW, UW, UW, UW );
 345 extern void ML_(linux_POST_sys_recvmmsg)   ( TId, UW, UW, UW, UW, UW, UW );
 346 extern void ML_(linux_PRE_sys_sendmmsg)    ( TId, UW, UW, UW, UW );
 347 extern void ML_(linux_POST_sys_sendmmsg)   ( TId, UW, UW, UW, UW, UW );
 348
 349 // Linux-specific (but non-arch-specific) ptrace wrapper helpers
 350 extern void ML_(linux_PRE_getregset) ( ThreadId, long, long );
 351 extern void ML_(linux_PRE_setregset) ( ThreadId, long, long );
 352 extern void ML_(linux_POST_traceme)  ( ThreadId );
 353 extern void ML_(linux_POST_getregset)( ThreadId, long, long );
 354
 355 #undef TId
 356 #undef UW
 357 #undef SR
 358
 359 /* sys_ipc and sys_socketcall are multiplexors which implements several syscalls.
 360    Used e.g. by x86, ppc32, ppc64, ... */
 361 DECL_TEMPLATE(linux, sys_ipc);
 362 DECL_TEMPLATE(linux, sys_socketcall);
 363
 364 /* Depending on the platform, the below are implemented as
 365    direct syscalls or via the above sys_socketcall multiplexor. */
 366
 367 /* Direct ipc related syscalls. */
 368 /* Semaphore */
 369 DECL_TEMPLATE(linux, sys_semget);
 370 DECL_TEMPLATE(linux, sys_semop);
 371 DECL_TEMPLATE(linux, sys_semctl);
 372 DECL_TEMPLATE(linux, sys_semtimedop);
 373 /* Shared memory */
 374 DECL_TEMPLATE(linux, sys_shmat);
 375 DECL_TEMPLATE(linux, sys_shmget);
 376 DECL_TEMPLATE(linux, sys_shmdt);
 377 DECL_TEMPLATE(linux, sys_shmctl);
 378 /* Message queue */
 379 DECL_TEMPLATE(linux, sys_msgget);
 380 DECL_TEMPLATE(linux, sys_msgrcv);
 381 DECL_TEMPLATE(linux, sys_msgsnd);
 382 DECL_TEMPLATE(linux, sys_msgctl);
 383
 384 /* Direct socket related syscalls. */
 385 DECL_TEMPLATE(linux, sys_socket);
 386 DECL_TEMPLATE(linux, sys_setsockopt);
 387 DECL_TEMPLATE(linux, sys_getsockopt);
 388 DECL_TEMPLATE(linux, sys_connect);
 389 DECL_TEMPLATE(linux, sys_accept);
 390 DECL_TEMPLATE(linux, sys_accept4);
 391 DECL_TEMPLATE(linux, sys_send);
 392 DECL_TEMPLATE(linux, sys_sendto);
 393 DECL_TEMPLATE(linux, sys_recv);
 394 DECL_TEMPLATE(linux, sys_recvfrom);
 395 DECL_TEMPLATE(linux, sys_sendmsg);
 396 DECL_TEMPLATE(linux, sys_recvmsg);
 397 DECL_TEMPLATE(linux, sys_shutdown);
 398 DECL_TEMPLATE(linux, sys_bind);
 399 DECL_TEMPLATE(linux, sys_listen);
 400 DECL_TEMPLATE(linux, sys_getsockname);
 401 DECL_TEMPLATE(linux, sys_getpeername);
 402 DECL_TEMPLATE(linux, sys_socketpair);
 403 DECL_TEMPLATE(linux, sys_kcmp);
 404 DECL_TEMPLATE(linux, sys_copy_file_range);
 405
 406 /* 64bit time_t syscalls for 32bit arches.  */
 407 DECL_TEMPLATE(linux, sys_clock_gettime64)
 408 DECL_TEMPLATE(linux, sys_clock_settime64)
 409 // clock_adjtime64
 410 DECL_TEMPLATE(linux, sys_clock_getres_time64)
 411 DECL_TEMPLATE(linux, sys_clock_nanosleep_time64);
 412 DECL_TEMPLATE(linux, sys_timer_gettime64);
 413 DECL_TEMPLATE(linux, sys_timer_settime64);
 414 DECL_TEMPLATE(linux, sys_timerfd_gettime64);
 415 DECL_TEMPLATE(linux, sys_timerfd_settime64);
 416 DECL_TEMPLATE(linux, sys_utimensat_time64);
 417 DECL_TEMPLATE(linux, sys_pselect6_time64);
 418 DECL_TEMPLATE(linux, sys_ppoll_time64);
 419 // io_pgetevents_time64
 420 DECL_TEMPLATE(linux, sys_recvmmsg_time64);
 421 DECL_TEMPLATE(linux, sys_mq_timedsend_time64);
 422 DECL_TEMPLATE(linux, sys_mq_timedreceive_time64);
 423 DECL_TEMPLATE(linux, sys_semtimedop_time64);
 424 DECL_TEMPLATE(linux, sys_rt_sigtimedwait_time64);
 425 DECL_TEMPLATE(linux, sys_futex_time64);
 426 DECL_TEMPLATE(linux, sys_sched_rr_get_interval_time64);
 427
 428 // Some arch specific functions called from syswrap-linux.c
 429 extern Int do_syscall_clone_x86_linux ( Word (*fn)(void *),
 430                                         void* stack,
 431                                         Int   flags,
 432                                         void* arg,
 433                                         Int*  child_tid,
 434                                         Int*  parent_tid,
 435                                         void* tls_ptr);
 436 extern SysRes ML_(x86_sys_set_thread_area) ( ThreadId tid,
 437                                              vki_modify_ldt_t* info );
 438 extern void ML_(x86_setup_LDT_GDT) ( /*OUT*/ ThreadArchState *child,
 439                                      /*IN*/  ThreadArchState *parent );
 440
 441 extern Long do_syscall_clone_amd64_linux ( Word (*fn)(void *),
 442                                            void* stack,
 443                                            Long  flags,
 444                                            void* arg,
 445                                            Int* child_tid,
 446                                            Int* parent_tid,
 447                                            void* tls_ptr);
 448 extern ULong do_syscall_clone_ppc32_linux ( Word (*fn)(void *),
 449                                             void* stack,
 450                                             Int   flags,
 451                                             void* arg,
 452                                             Int*  child_tid,
 453                                             Int*  parent_tid,
 454                                             void* tls_ptr);
 455 extern ULong do_syscall_clone_ppc64_linux ( Word (*fn)(void *),
 456                                             void* stack,
 457                                             Int   flags,
 458                                             void* arg,
 459                                             Int*  child_tid,
 460                                             Int*  parent_tid,
 461                                             void* tls_ptr );
 462 extern ULong do_syscall_clone_s390x_linux ( void  *stack,
 463                                             ULong flags,
 464                                             Int   *parent_tid,
 465                                             Int   *child_tid,
 466                                             void*  tls_ptr,
 467                                             Word (*fn)(void *),
 468                                             void  *arg);
 469 extern Long do_syscall_clone_arm64_linux ( Word (*fn)(void *),
 470                                            void* stack,
 471                                            Long  flags,
 472                                            void* arg,
 473                                            Int*  child_tid,
 474                                            Int*  parent_tid,
 475                                            void* tls_ptr );
 476 extern ULong do_syscall_clone_arm_linux   ( Word (*fn)(void *),
 477                                             void* stack,
 478                                             Int   flags,
 479                                             void* arg,
 480                                             Int*  child_tid,
 481                                             Int*  parent_tid,
 482                                             void* tls_ptr );
 483 extern ULong do_syscall_clone_mips64_linux ( Word (*fn) (void *),  /* a0 - 4 */
 484                                              void* stack,          /* a1 - 5 */
 485                                              Int   flags,          /* a2 - 6 */
 486                                              void* arg,            /* a3 - 7 */
 487                                              Int*  parent_tid,     /* a4 - 8 */
 488                                              void* tls_ptr,        /* a5 - 9 */
 489                                              Int*  child_tid );    /* a6 - 10 */
 490 extern UInt do_syscall_clone_mips_linux ( Word (*fn) (void *), //a0     0    32
 491                                           void* stack,         //a1     4    36
 492                                           Int   flags,         //a2     8    40
 493                                           void* arg,           //a3     12   44
 494                                           Int*  child_tid,     //stack  16   48
 495                                           Int*  parent_tid,    //stack  20   52
 496                                           void* tls_ptr);      //stack  24   56
 497 extern UInt do_syscall_clone_nanomips_linux ( Word (*fn) (void *),  /* a0 - 4 */
 498                                               void* stack,          /* a1 - 5 */
 499                                               Int   flags,          /* a2 - 6 */
 500                                               void* arg,            /* a3 - 7 */
 501                                               Int*  child_tid,      /* a4 - 8 */
 502                                               Int*  parent_tid,     /* a5 - 9 */
 503                                               void* tls_ptr);       /* a6 - 10 */
 504 #endif   // __PRIV_SYSWRAP_LINUX_H
 505
 506 /*--------------------------------------------------------------------*/
 507 /*--- end                                                          ---*/
 508 /*--------------------------------------------------------------------*/