Archipelago » qemu

#include <sys/utsname.h>

#if TARGET_ABI_BITS == 32

_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);

#endif

#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)

_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);

#endif

_syscall2(int, sys_getpriority, int, which, int, who);

#if !defined (__x86_64__)

_syscall5(int, _llseek,  uint,  fd, ulong, hi, ulong, lo,

          loff_t *, res, uint, wh);

#endif

_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)

_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)

#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)

_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)

#endif

#if defined(TARGET_NR_tkill) && defined(__NR_tkill)

_syscall2(int,sys_tkill,int,tid,int,sig)

#endif

#ifdef __NR_exit_group

_syscall1(int,exit_group,int,error_code)

#endif

#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)

_syscall1(int,set_tid_address,int *,tidptr)

#endif

#if defined(USE_NPTL)

#if defined(TARGET_NR_futex) && defined(__NR_futex)

_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,

          const struct timespec *,timeout,int *,uaddr2,int,val3)

#endif

#endif

static bitmask_transtbl fcntl_flags_tbl[] = {

  { TARGET_O_ACCMODE,   TARGET_O_WRONLY,    O_ACCMODE,   O_WRONLY,    },

  { TARGET_O_ACCMODE,   TARGET_O_RDWR,      O_ACCMODE,   O_RDWR,      },

  { TARGET_O_CREAT,     TARGET_O_CREAT,     O_CREAT,     O_CREAT,     },

  { TARGET_O_EXCL,      TARGET_O_EXCL,      O_EXCL,      O_EXCL,      },

  { TARGET_O_NOCTTY,    TARGET_O_NOCTTY,    O_NOCTTY,    O_NOCTTY,    },

  { TARGET_O_TRUNC,     TARGET_O_TRUNC,     O_TRUNC,     O_TRUNC,     },

  { TARGET_O_APPEND,    TARGET_O_APPEND,    O_APPEND,    O_APPEND,    },

  { TARGET_O_NONBLOCK,  TARGET_O_NONBLOCK,  O_NONBLOCK,  O_NONBLOCK,  },

  { TARGET_O_SYNC,      TARGET_O_SYNC,      O_SYNC,      O_SYNC,      },

  { TARGET_FASYNC,      TARGET_FASYNC,      FASYNC,      FASYNC,      },

  { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },

  { TARGET_O_NOFOLLOW,  TARGET_O_NOFOLLOW,  O_NOFOLLOW,  O_NOFOLLOW,  },

  { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },

#if defined(O_DIRECT)

  { TARGET_O_DIRECT,    TARGET_O_DIRECT,    O_DIRECT,    O_DIRECT,    },

#endif

  { 0, 0, 0, 0 }

};

#define COPY_UTSNAME_FIELD(dest, src) \

  do { \

      /* __NEW_UTS_LEN doesn't include terminating null */ \

      (void) strncpy((dest), (src), __NEW_UTS_LEN); \

      (dest)[__NEW_UTS_LEN] = '\0'; \

  } while (0)

static int sys_uname(struct new_utsname *buf)

{

  struct utsname uts_buf;

  if (uname(&uts_buf) < 0)

      return (-1);

  /*

   * Just in case these have some differences, we

   * translate utsname to new_utsname (which is the

   * struct linux kernel uses).

   */

  bzero(buf, sizeof (*buf));

  COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);

  COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);

  COPY_UTSNAME_FIELD(buf->release, uts_buf.release);

  COPY_UTSNAME_FIELD(buf->version, uts_buf.version);

  COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);

#ifdef _GNU_SOURCE

  COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);

#endif

  return (0);

#undef COPY_UTSNAME_FIELD

}

static int sys_getcwd1(char *buf, size_t size)

{

  if (getcwd(buf, size) == NULL) {

      /* getcwd() sets errno */

      return (-1);

  }

  return (0);

}

#ifdef CONFIG_ATFILE

/*

 * Host system seems to have atfile syscall stubs available.  We

 * now enable them one by one as specified by target syscall_nr.h.

 */

#ifdef TARGET_NR_faccessat

static int sys_faccessat(int dirfd, const char *pathname, int mode, int flags)

{

  return (faccessat(dirfd, pathname, mode, flags));

}

#endif

#ifdef TARGET_NR_fchmodat

static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode, int flags)

{

  return (fchmodat(dirfd, pathname, mode, flags));

}

#endif

#ifdef TARGET_NR_fchownat

static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,

    gid_t group, int flags)

{

  return (fchownat(dirfd, pathname, owner, group, flags));

}

#endif

#ifdef __NR_fstatat64

static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,

    int flags)

{

  return (fstatat(dirfd, pathname, buf, flags));

}

#endif

#ifdef __NR_newfstatat

static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,

    int flags)

{

  return (fstatat(dirfd, pathname, buf, flags));

}

#endif

#ifdef TARGET_NR_futimesat

static int sys_futimesat(int dirfd, const char *pathname,

    const struct timeval times[2])

{

  return (futimesat(dirfd, pathname, times));

}

#endif

#ifdef TARGET_NR_linkat

static int sys_linkat(int olddirfd, const char *oldpath,

    int newdirfd, const char *newpath, int flags)

{

  return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));

}

#endif

#ifdef TARGET_NR_mkdirat

static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)

{

  return (mkdirat(dirfd, pathname, mode));

}

#endif

#ifdef TARGET_NR_mknodat

static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,

    dev_t dev)

{

  return (mknodat(dirfd, pathname, mode, dev));

}

#endif

#ifdef TARGET_NR_openat

static int sys_openat(int dirfd, const char *pathname, int flags, ...)

{

  /*

   * open(2) has extra parameter 'mode' when called with

   * flag O_CREAT.

   */

  if ((flags & O_CREAT) != 0) {

      va_list ap;

      mode_t mode;

      /*

       * Get the 'mode' parameter and translate it to

       * host bits.

       */

      va_start(ap, flags);

      mode = va_arg(ap, mode_t);

      mode = target_to_host_bitmask(mode, fcntl_flags_tbl);

      va_end(ap);

      return (openat(dirfd, pathname, flags, mode));

  }

  return (openat(dirfd, pathname, flags));

}

#endif

#ifdef TARGET_NR_readlinkat

static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)

{

  return (readlinkat(dirfd, pathname, buf, bufsiz));

}

#endif

#ifdef TARGET_NR_renameat

static int sys_renameat(int olddirfd, const char *oldpath,

    int newdirfd, const char *newpath)

{

  return (renameat(olddirfd, oldpath, newdirfd, newpath));

}

#endif

#ifdef TARGET_NR_symlinkat

static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)

{

  return (symlinkat(oldpath, newdirfd, newpath));

}

#endif

#ifdef TARGET_NR_unlinkat

static int sys_unlinkat(int dirfd, const char *pathname, int flags)

{

  return (unlinkat(dirfd, pathname, flags));

}

#endif

#ifdef TARGET_NR_utimensat

static int sys_utimensat(int dirfd, const char *pathname,

    const struct timespec times[2], int flags)

{

  return (utimensat(dirfd, pathname, times, flags));

}

#endif

#else /* !CONFIG_ATFILE */

/*

 * Try direct syscalls instead

 */

#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \

        defined(__NR_newfstatat)

_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,

          struct stat *,buf,int,flags)

      int,newdirfd,const char *,newpath,int,flags)

#endif /* CONFIG_ATFILE */

#ifdef CONFIG_INOTIFY

static int sys_inotify_init(void)

{

  return (inotify_init());

}

static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)

{

  return (inotify_add_watch(fd, pathname, mask));

}

static int sys_inotify_rm_watch(int fd, int32_t wd)

{

  return (inotify_rm_watch(fd,pathname, wd));

}

#else

/* Userspace can usually survive runtime without inotify */

#undef TARGET_NR_inotify_init

#undef TARGET_NR_inotify_add_watch

#undef TARGET_NR_inotify_rm_watch

#endif /* CONFIG_INOTIFY  */