Subversion Repositories openrisc_2011-10-31

/*

 * hosted io support for GDB's remote fileio protocol

 *

 * Copyright (c) 2006 CodeSourcery Inc

 *

 * The authors hereby grant permission to use, copy, modify, distribute,

 * and license this software and its documentation for any purpose, provided

 * that existing copyright notices are retained in all copies and that this

 * notice is included verbatim in any distributions. No written agreement,

 * license, or royalty fee is required for any of the authorized uses.

 * Modifications to this software may be copyrighted by their authors

 * and need not follow the licensing terms described here, provided that

 * the new terms are clearly indicated on the first page of each file where

 * they apply.

 */

#include "io.h"

#include <fcntl.h>

#include <unistd.h>

#include <errno.h>

gdb_mode_t

__hosted_to_gdb_mode_t (mode_t m)

{

  gdb_mode_t result = 0;

  if (m & S_IFREG)

    result |= GDB_S_IFREG;

  if (m & S_IFDIR)

    result |= GDB_S_IFDIR;

  if (m & S_IRUSR)

    result |= GDB_S_IRUSR;

  if (m & S_IWUSR)

    result |= GDB_S_IWUSR;

  if (m & S_IXUSR)

    result |= GDB_S_IXUSR;

  if (m & S_IRGRP)

    result |= GDB_S_IRGRP;

  if (m & S_IWGRP)

    result |= GDB_S_IWGRP;

  if (m & S_IXGRP)

    result |= GDB_S_IXGRP;

  if (m & S_IROTH)

    result |= GDB_S_IROTH;

  if (m & S_IWOTH)

    result |= GDB_S_IWOTH;

  if (m & S_IXOTH)

    result |= GDB_S_IXOTH;

  return result;

}

int32_t

__hosted_to_gdb_open_flags (int f)

{

  int32_t result = 0;

  if (f & O_RDONLY)

    result |= GDB_O_RDONLY;

  if (f & O_WRONLY)

    result |= GDB_O_WRONLY;

  if (f & O_RDWR)

    result |= GDB_O_RDWR;

  if (f & O_APPEND)

    result |= GDB_O_APPEND;

  if (f & O_CREAT)

    result |= GDB_O_CREAT;

  if (f & O_TRUNC)

    result |= GDB_O_TRUNC;

  if (f & O_EXCL)

    result |= GDB_O_EXCL;

  return result;

}

int32_t

__hosted_to_gdb_lseek_flags (int f)

{

  if (f == SEEK_CUR)

    return GDB_SEEK_CUR;

  else if (f == SEEK_END)

    return GDB_SEEK_END;

  else

    return GDB_SEEK_SET;

}

void

__hosted_from_gdb_stat (const struct gdb_stat *gs,

                        struct stat *s)

{

  s->st_dev = gs->st_dev;

  s->st_ino = gs->st_ino;

  s->st_mode = gs->st_mode;

  s->st_nlink = gs->st_nlink;

  s->st_uid = gs->st_uid;

  s->st_gid = gs->st_gid;

  s->st_rdev = gs->st_rdev;

  s->st_size = gs->st_size;

  s->st_blksize = gs->st_blksize;

  s->st_blocks = gs->st_blocks;

  s->st_atime = gs->st_atime;

  s->st_mtime = gs->st_mtime;

  s->st_ctime = gs->st_ctime;

}

void

__hosted_from_gdb_timeval (const struct gdb_timeval *gt,

                           struct timeval *t)

{

  t->tv_sec = gt->tv_sec;

  t->tv_usec = gt->tv_usec;

}

int

__hosted_from_gdb_errno (int32_t err)

{

  switch (err)

    {

    case 0:              return 0;

    case GDB_EPERM:     return EPERM;

    case GDB_ENOENT:    return ENOENT;

    case GDB_EINTR:     return EINTR;

    case GDB_EBADF:     return EBADF;

    case GDB_EACCES:    return EACCES;

    case GDB_EFAULT:    return EFAULT;

    case GDB_EBUSY:     return EBUSY;

    case GDB_EEXIST:    return EEXIST;

    case GDB_ENODEV:    return ENODEV;

    case GDB_ENOTDIR:   return ENOTDIR;

    case GDB_EISDIR:    return EISDIR;

    case GDB_EINVAL:    return EINVAL;

    case GDB_ENFILE:    return ENFILE;

    case GDB_EMFILE:    return EMFILE;

    case GDB_EFBIG:     return EFBIG;

    case GDB_ENOSPC:    return ENOSPC;

    case GDB_ESPIPE:    return ESPIPE;

    case GDB_EROFS:     return EROFS;

    case GDB_ENAMETOOLONG:      return ENAMETOOLONG;

    case GDB_EUNKNOWN:

    default:

      return EIO;

    }

}