text: 
  /*--------------------------------------------------------------------*/
  /*--- Private syscalls header.              priv_syswrap-generic.h ---*/
  /*--------------------------------------------------------------------*/
  
  /*
     This file is part of Valgrind, a dynamic binary instrumentation
     framework.
  
     Copyright (C) 2000-2017 Julian Seward
        jseward@acm.org
  
     This program is free software; you can redistribute it and/or
     modify it under the terms of the GNU General Public License as
     published by the Free Software Foundation; either version 2 of the
     License, or (at your option) any later version.
  
     This program is distributed in the hope that it will be useful, but
     WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     02111-1307, USA.
  
     The GNU General Public License is contained in the file COPYING.
  */
  
  #ifndef __PRIV_SYSWRAP_GENERIC_H
  #define __PRIV_SYSWRAP_GENERIC_H
  
  #include "pub_core_basics.h"      // ThreadId
  #include "pub_core_vki.h"         // vki_msghdr
  #include "priv_types_n_macros.h"  // DECL_TEMPLATE
  
  
  /* Guess the client stack from the segment in which sp is mapped.
     Register the guessed stack using VG_(register_stack).
     Setup tst client_stack_highest_byte and client_stack_szB.
     If sp is not in a mapped segment, does nothing. */
  extern void ML_(guess_and_register_stack) (Addr sp, ThreadState* tst);
  
  // Return true if address range entirely contained within client
  // address space.
  extern
  Bool ML_(valid_client_addr)(Addr start, SizeT size, ThreadId tid,
                              const HChar *syscallname);
  
  /* Handy small function to help stop wrappers from segfaulting when
     presented with bogus client addresses.  Is not used for generating
     user-visible errors. */
  extern Bool ML_(safe_to_deref) ( const void *start, SizeT size );
  
  // Returns True if the signal is OK for the client to use.
  extern Bool ML_(client_signal_OK)(Int sigNo);
  
  // Return true if we're allowed to use or create this fd.
  extern
  Bool ML_(fd_allowed)(Int fd, const HChar *syscallname, ThreadId tid,
                       Bool isNewFD);
  
  extern void ML_(record_fd_close)               (Int fd);
  extern void ML_(record_fd_open_named)          (ThreadId tid, Int fd);
  extern void ML_(record_fd_open_nameless)       (ThreadId tid, Int fd);
  extern void ML_(record_fd_open_with_given_name)(ThreadId tid, Int fd,
                                                  const HChar *pathname);
  
  // Return true if a given file descriptor is already recorded.
  extern Bool ML_(fd_recorded)(Int fd);
  // Returns a pathname representing a recorded fd.
  // Returned string must not be modified nor free'd.
  extern const HChar *ML_(find_fd_recorded_by_fd)(Int fd);
  
  // Used when killing threads -- we must not kill a thread if it's the thread
  // that would do Valgrind's final cleanup and output.
  extern
  Bool ML_(do_sigkill)(Int pid, Int tgid);
  
  /* When a client mmap or munmap has been successfully done, both the core 
     and the tool need to be notified of the new mapping.  Hence this fn. */
  extern void 
  ML_(notify_core_and_tool_of_mmap) ( Addr a, SizeT len, UInt prot, 
                                      UInt mm_flags, Int fd, Off64T offset );
  extern void 
  ML_(notify_core_and_tool_of_munmap) ( Addr a, SizeT len );
  extern void 
  ML_(notify_core_and_tool_of_mprotect) ( Addr a, SizeT len, Int prot );
  
  extern void
  ML_(buf_and_len_pre_check) ( ThreadId tid, Addr buf_p, Addr buflen_p,
                               const HChar* buf_s, const HChar* buflen_s );
  extern void
  ML_(buf_and_len_post_check) ( ThreadId tid, SysRes res,
                                Addr buf_p, Addr buflen_p, const HChar* s );
  
  /* PRE and POST for unknown ioctls based on ioctl request encoding */
  extern 
  void ML_(PRE_unknown_ioctl)(ThreadId tid, UWord request, UWord arg);
  extern 
  void ML_(POST_unknown_ioctl)(ThreadId tid, UInt res, UWord request, UWord arg);
  
  extern
  void ML_(pre_argv_envp)(Addr a, ThreadId tid, const HChar *s1, const HChar *s2);
  
  extern Bool
  ML_(handle_auxv_open)(SyscallStatus *status, const HChar *filename,
                        int flags);
  
  DECL_TEMPLATE(generic, sys_ni_syscall);            // * P -- unimplemented
  DECL_TEMPLATE(generic, sys_exit);
  DECL_TEMPLATE(generic, sys_fork);
  DECL_TEMPLATE(generic, sys_read);
  DECL_TEMPLATE(generic, sys_write);
  DECL_TEMPLATE(generic, sys_open);
  DECL_TEMPLATE(generic, sys_close);
  DECL_TEMPLATE(generic, sys_waitpid);
  DECL_TEMPLATE(generic, sys_creat);
  DECL_TEMPLATE(generic, sys_link);
  DECL_TEMPLATE(generic, sys_unlink);
  DECL_TEMPLATE(generic, sys_execve);    // (*??) P
  DECL_TEMPLATE(generic, sys_chdir);
  DECL_TEMPLATE(generic, sys_time);
  DECL_TEMPLATE(generic, sys_mknod);
  DECL_TEMPLATE(generic, sys_chmod);
  DECL_TEMPLATE(generic, sys_getpid);
  DECL_TEMPLATE(generic, sys_alarm);
  DECL_TEMPLATE(generic, sys_pause);
  DECL_TEMPLATE(generic, sys_access);
  DECL_TEMPLATE(generic, sys_kill);
  DECL_TEMPLATE(generic, sys_rename);
  DECL_TEMPLATE(generic, sys_mkdir);
  DECL_TEMPLATE(generic, sys_rmdir);
  DECL_TEMPLATE(generic, sys_dup);
  DECL_TEMPLATE(generic, sys_times);
  DECL_TEMPLATE(generic, sys_setpgid);
  DECL_TEMPLATE(generic, sys_umask);
  DECL_TEMPLATE(generic, sys_dup2);
  DECL_TEMPLATE(generic, sys_getppid);
  DECL_TEMPLATE(generic, sys_getpgrp);
  DECL_TEMPLATE(generic, sys_setsid);
  DECL_TEMPLATE(generic, sys_munmap);
  DECL_TEMPLATE(generic, sys_truncate);
  DECL_TEMPLATE(generic, sys_ftruncate);
  DECL_TEMPLATE(generic, sys_fchmod);
  DECL_TEMPLATE(generic, sys_msync);
  DECL_TEMPLATE(generic, sys_readv);
  DECL_TEMPLATE(generic, sys_writev);
  DECL_TEMPLATE(generic, sys_getsid);
  DECL_TEMPLATE(generic, sys_fdatasync);
  DECL_TEMPLATE(generic, sys_mlock);
  DECL_TEMPLATE(generic, sys_munlock);
  DECL_TEMPLATE(generic, sys_mlockall);
  DECL_TEMPLATE(generic, sys_nanosleep);
  DECL_TEMPLATE(generic, sys_mremap);    // POSIX, but Linux arg order may be odd
  DECL_TEMPLATE(generic, sys_getuid);
  DECL_TEMPLATE(generic, sys_getgid);
  DECL_TEMPLATE(generic, sys_geteuid);
  DECL_TEMPLATE(generic, sys_getegid);
  DECL_TEMPLATE(generic, sys_getpgid);
  DECL_TEMPLATE(generic, sys_fsync);
  DECL_TEMPLATE(generic, sys_wait4);
  DECL_TEMPLATE(generic, sys_mprotect);
  DECL_TEMPLATE(generic, sys_getcwd);
  DECL_TEMPLATE(generic, sys_symlink);
  DECL_TEMPLATE(generic, sys_getgroups);
  DECL_TEMPLATE(generic, sys_setgroups);             // SVr4, SVID, X/OPEN, 4.3BSD
  DECL_TEMPLATE(generic, sys_chown);
  DECL_TEMPLATE(generic, sys_setuid);
  DECL_TEMPLATE(generic, sys_gettimeofday);
  DECL_TEMPLATE(generic, sys_madvise);
  DECL_TEMPLATE(generic, sys_sethostname);
  
  // These ones aren't POSIX, but are in some standard and look reasonably
  // generic,  and are the same for all architectures under Linux.
  DECL_TEMPLATE(generic, sys_nice);      // SVr4, SVID EXT, AT&T, X/OPEN, BSD 4.3
  DECL_TEMPLATE(generic, sys_sync);      // SVr4, SVID, X/OPEN, BSD 4.3
  DECL_TEMPLATE(generic, sys_brk);       // 4.3BSD
  DECL_TEMPLATE(generic, sys_acct);      // SVR4, non-POSIX
  DECL_TEMPLATE(generic, sys_chroot);    // SVr4, SVID, 4.4BSD, X/OPEN
  DECL_TEMPLATE(generic, sys_readlink);  // X/OPEN, 4.4BSD
  DECL_TEMPLATE(generic, sys_fchdir);    // SVr4, SVID, POSIX, X/OPEN, 4.4BSD
  DECL_TEMPLATE(generic, sys_getdents);  // SVr4,SVID
  DECL_TEMPLATE(generic, sys_select);    // 4.4BSD
  DECL_TEMPLATE(generic, sys_flock);     // 4.4BSD
  DECL_TEMPLATE(generic, sys_poll);      // XPG4-UNIX
  DECL_TEMPLATE(generic, sys_getrusage); // SVr4, 4.3BSD
  DECL_TEMPLATE(generic, sys_stime);	    // SVr4, SVID, X/OPEN
  DECL_TEMPLATE(generic, sys_settimeofday); // SVr4, 4.3BSD (non-POSIX)
  DECL_TEMPLATE(generic, sys_getpriority);  // SVr4, 4.4BSD
  DECL_TEMPLATE(generic, sys_setpriority);  // SVr4, 4.4BSD
  DECL_TEMPLATE(generic, sys_setitimer);    // SVr4, 4.4BSD
  DECL_TEMPLATE(generic, sys_getitimer);    // SVr4, 4.4BSD
  DECL_TEMPLATE(generic, sys_setreuid);     // 4.3BSD
  DECL_TEMPLATE(generic, sys_setregid);     // 4.3BSD
  DECL_TEMPLATE(generic, sys_fchown);       // SVr4,4.3BSD
  DECL_TEMPLATE(generic, sys_setgid);       // SVr4,SVID
  DECL_TEMPLATE(generic, sys_utimes);       // 4.3BSD
  
  // May not be generic for every architecture under Linux.
  DECL_TEMPLATE(generic, sys_sigaction);             // (x86) P
  
  // Funny names, not sure...
  DECL_TEMPLATE(generic, sys_newstat);               // * P
  DECL_TEMPLATE(generic, sys_newlstat);              // *
  DECL_TEMPLATE(generic, sys_newfstat);              // * P (SVr4,BSD4.3)
  
  // For the remainder, not really sure yet
  DECL_TEMPLATE(generic, sys_ptrace);                // (x86?) (almost-P)
  DECL_TEMPLATE(generic, sys_setrlimit);             // SVr4, 4.3BSD
  DECL_TEMPLATE(generic, sys_old_getrlimit);         // SVr4, 4.3BSD L?
  DECL_TEMPLATE(generic, sys_statfs);                // * L?
  DECL_TEMPLATE(generic, sys_fstatfs);               // * L?
  DECL_TEMPLATE(generic, sys_iopl);                  // (x86/amd64) L
  DECL_TEMPLATE(generic, sys_newuname);              // * P
  DECL_TEMPLATE(generic, sys_pread64);               // * (Unix98?)
  DECL_TEMPLATE(generic, sys_pwrite64);              // * (Unix98?)
  DECL_TEMPLATE(generic, sys_sigaltstack);           // (x86) (XPG4-UNIX)
  DECL_TEMPLATE(generic, sys_getpmsg);               // (?) (?)
  DECL_TEMPLATE(generic, sys_putpmsg);               // (?) (?)
  DECL_TEMPLATE(generic, sys_getrlimit);             // * (?)
  DECL_TEMPLATE(generic, sys_truncate64);            // %% (P?)
  DECL_TEMPLATE(generic, sys_ftruncate64);           // %% (P?)
  DECL_TEMPLATE(generic, sys_lchown);                // * (L?)
  DECL_TEMPLATE(generic, sys_mincore);               // * L?
  DECL_TEMPLATE(generic, sys_getdents64);            // * (SVr4,SVID?)
  DECL_TEMPLATE(generic, sys_statfs64);              // * (?)
  DECL_TEMPLATE(generic, sys_fstatfs64);             // * (?)
  
  
  /* ---------------------------------------------------------------------
     Wrappers for sockets and ipc-ery.  These are split into standalone
     procedures because some platforms hides them inside multiplexors
     (sys_socketcall and sys_ipc).
     ------------------------------------------------------------------ */
  
  #define TId ThreadId
  #define UW  UWord
  #define SR  SysRes
  
  extern void   ML_(generic_PRE_sys_socketpair)   ( TId, UW, UW, UW, UW );
  extern SysRes ML_(generic_POST_sys_socketpair)  ( TId, SR, UW, UW, UW, UW );
  extern SysRes ML_(generic_POST_sys_socket)      ( TId, SR );
  extern void   ML_(generic_PRE_sys_bind)         ( TId, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_accept)       ( TId, UW, UW, UW );
  extern SysRes ML_(generic_POST_sys_accept)      ( TId, SR, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_sendto)       ( TId, UW, UW, UW, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_send)         ( TId, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_recvfrom)     ( TId, UW, UW, UW, UW, UW, UW );
  extern void   ML_(generic_POST_sys_recvfrom)    ( TId, SR, UW, UW, UW, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_recv)         ( TId, UW, UW, UW );
  extern void   ML_(generic_POST_sys_recv)        ( TId, UW, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_connect)      ( TId, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_setsockopt)   ( TId, UW, UW, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_getsockname)  ( TId, UW, UW, UW );
  extern void   ML_(generic_POST_sys_getsockname) ( TId, SR, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_getpeername)  ( TId, UW, UW, UW );
  extern void   ML_(generic_POST_sys_getpeername) ( TId, SR, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_sendmsg)      ( TId, const HChar *,
                                                    struct vki_msghdr * );
  extern void   ML_(generic_PRE_sys_recvmsg)      ( TId, const HChar *,
                                                    struct vki_msghdr * );
  extern void   ML_(generic_POST_sys_recvmsg)     ( TId, const HChar *,
                                                    struct vki_msghdr *, UInt );
  
  extern void   ML_(generic_PRE_sys_semop)        ( TId, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_semtimedop)   ( TId, UW, UW, UW, UW );
  extern void   ML_(generic_PRE_sys_semctl)       ( TId, UW, UW, UW, UW );
  extern void   ML_(generic_POST_sys_semctl)      ( TId, UW, UW, UW, UW, UW );
  extern UWord  ML_(generic_PRE_sys_shmat)        ( TId, UW, UW, UW );
  extern void   ML_(generic_POST_sys_shmat)       ( TId, UW, UW, UW, UW );
  extern Bool   ML_(generic_PRE_sys_shmdt)        ( TId, UW );
  extern void   ML_(generic_POST_sys_shmdt)       ( TId, UW, UW );
  extern void   ML_(generic_PRE_sys_shmctl)       ( TId, UW, UW, UW );
  extern void   ML_(generic_POST_sys_shmctl)      ( TId, UW, UW, UW, UW );
  
  extern SysRes ML_(generic_PRE_sys_mmap)         ( TId, UW, UW, UW, UW, UW, Off64T );
  
  #define PRE_timeval_READ(zzname, zzarg)                         \
     do {                                                         \
        struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \
        PRE_FIELD_READ(zzname, zztv->tv_sec);                     \
        PRE_FIELD_READ(zzname, zztv->tv_usec);                    \
     } while (0)
  #define PRE_timeval_WRITE(zzname, zzarg)                        \
     do {                                                         \
        struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \
        PRE_FIELD_WRITE(zzname, zztv->tv_sec);                    \
        PRE_FIELD_WRITE(zzname, zztv->tv_usec);                   \
     } while (0)
  #define POST_timeval_WRITE(zzarg)                               \
     do {                                                         \
        struct vki_timeval *zztv = (struct vki_timeval *)(zzarg); \
        POST_FIELD_WRITE(zztv->tv_sec);                           \
        POST_FIELD_WRITE(zztv->tv_usec);                          \
     } while (0)
  
  
  #undef TId
  #undef UW
  #undef SR
  
  
  /////////////////////////////////////////////////////////////////
  
  
  #endif   // __PRIV_SYSWRAP_GENERIC_H
  
  /*--------------------------------------------------------------------*/
  /*--- end                                                          ---*/
  /*--------------------------------------------------------------------*/
  