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/* Hosted File I/O interface definitions, for GDB, the GNU Debugger.

   Copyright 2003, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.

   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 3 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, see <http://www.gnu.org/licenses/>.  */

#ifndef GDB_FILEIO_H_

#define GDB_FILEIO_H_

/* The following flags are defined to be independent of the host

   as well as the target side implementation of these constants.

   All constants are defined with a leading FILEIO_ in the name

   to allow the usage of these constants together with the

   corresponding implementation dependent constants in one module. */

/* open(2) flags */

#define FILEIO_O_RDONLY           0x0

#define FILEIO_O_WRONLY           0x1

#define FILEIO_O_RDWR             0x2

#define FILEIO_O_APPEND           0x8

#define FILEIO_O_CREAT          0x200

#define FILEIO_O_TRUNC          0x400

#define FILEIO_O_EXCL           0x800

#define FILEIO_O_SUPPORTED      (FILEIO_O_RDONLY | FILEIO_O_WRONLY| \

                                 FILEIO_O_RDWR   | FILEIO_O_APPEND| \

                                 FILEIO_O_CREAT  | FILEIO_O_TRUNC| \

                                 FILEIO_O_EXCL)

/* mode_t bits */

#define FILEIO_S_IFREG        0100000

#define FILEIO_S_IFDIR         040000

#define FILEIO_S_IFCHR         020000

#define FILEIO_S_IRUSR           0400

#define FILEIO_S_IWUSR           0200

#define FILEIO_S_IXUSR           0100

#define FILEIO_S_IRWXU           0700

#define FILEIO_S_IRGRP            040

#define FILEIO_S_IWGRP            020

#define FILEIO_S_IXGRP            010

#define FILEIO_S_IRWXG            070

#define FILEIO_S_IROTH             04

#define FILEIO_S_IWOTH             02

#define FILEIO_S_IXOTH             01

#define FILEIO_S_IRWXO             07

#define FILEIO_S_SUPPORTED         (FILEIO_S_IFREG|FILEIO_S_IFDIR|  \

                                    FILEIO_S_IRWXU|FILEIO_S_IRWXG|  \

                                    FILEIO_S_IRWXO)

/* lseek(2) flags */

#define FILEIO_SEEK_SET             0

#define FILEIO_SEEK_CUR             1

#define FILEIO_SEEK_END             2

/* errno values */

#define FILEIO_EPERM                1

#define FILEIO_ENOENT               2

#define FILEIO_EINTR                4

#define FILEIO_EIO                  5

#define FILEIO_EBADF                9

#define FILEIO_EACCES              13

#define FILEIO_EFAULT              14

#define FILEIO_EBUSY               16

#define FILEIO_EEXIST              17

#define FILEIO_ENODEV              19

#define FILEIO_ENOTDIR             20

#define FILEIO_EISDIR              21

#define FILEIO_EINVAL              22

#define FILEIO_ENFILE              23

#define FILEIO_EMFILE              24

#define FILEIO_EFBIG               27

#define FILEIO_ENOSPC              28

#define FILEIO_ESPIPE              29

#define FILEIO_EROFS               30

#define FILEIO_ENOSYS              88

#define FILEIO_ENAMETOOLONG        91

#define FILEIO_EUNKNOWN          9999

/* limits */

#define FILEIO_INT_MIN    -2147483648L

#define FILEIO_INT_MAX     2147483647L

#define FILEIO_UINT_MAX    4294967295UL

#define FILEIO_LONG_MIN   -9223372036854775808LL

#define FILEIO_LONG_MAX    9223372036854775807LL

#define FILEIO_ULONG_MAX   18446744073709551615ULL

/* Integral types as used in protocol. */

#if 0

typedef __int32_t fio_int_t;

typedef __uint32_t fio_uint_t, fio_mode_t, fio_time_t;

typedef __int64_t fio_long_t;

typedef __uint64_t fio_ulong_t;

#endif

#define FIO_INT_LEN   4

#define FIO_UINT_LEN  4

#define FIO_MODE_LEN  4

#define FIO_TIME_LEN  4

#define FIO_LONG_LEN  8

#define FIO_ULONG_LEN 8

typedef char fio_int_t[FIO_INT_LEN];

typedef char fio_uint_t[FIO_UINT_LEN];

typedef char fio_mode_t[FIO_MODE_LEN];

typedef char fio_time_t[FIO_TIME_LEN];

typedef char fio_long_t[FIO_LONG_LEN];

typedef char fio_ulong_t[FIO_ULONG_LEN];

/* Struct stat as used in protocol.  For complete independence

   of host/target systems, it's defined as an array with offsets

   to the members. */

struct fio_stat {

  fio_uint_t  fst_dev;

  fio_uint_t  fst_ino;

  fio_mode_t  fst_mode;

  fio_uint_t  fst_nlink;

  fio_uint_t  fst_uid;

  fio_uint_t  fst_gid;

  fio_uint_t  fst_rdev;

  fio_ulong_t fst_size;

  fio_ulong_t fst_blksize;

  fio_ulong_t fst_blocks;

  fio_time_t  fst_atime;

  fio_time_t  fst_mtime;

  fio_time_t  fst_ctime;

};

struct fio_timeval {

  fio_time_t  ftv_sec;

  fio_long_t  ftv_usec;

};

#endif /* GDB_FILEIO_H_ */