linux-user: move TargetFdTrans functions to their own file

obj-y = main.o syscall.o strace.o mmap.o signal.o \

	elfload.o linuxload.o uaccess.o uname.o \

	safe-syscall.o $(TARGET_ABI_DIR)/signal.o \

        $(TARGET_ABI_DIR)/cpu_loop.o exit.o

        $(TARGET_ABI_DIR)/cpu_loop.o exit.o fd-trans.o

obj-$(TARGET_HAS_BFLT) += flatload.o

obj-$(TARGET_I386) += vm86.o

/*

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

 */

#ifndef FD_TRANS_H

#define FD_TRANS_H

typedef abi_long (*TargetFdDataFunc)(void *, size_t);

typedef abi_long (*TargetFdAddrFunc)(void *, abi_ulong, socklen_t);

typedef struct TargetFdTrans {

    TargetFdDataFunc host_to_target_data;

    TargetFdDataFunc target_to_host_data;

    TargetFdAddrFunc target_to_host_addr;

} TargetFdTrans;

extern TargetFdTrans **target_fd_trans;

extern unsigned int target_fd_max;

static inline TargetFdDataFunc fd_trans_target_to_host_data(int fd)

{

    if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {

        return target_fd_trans[fd]->target_to_host_data;

    }

    return NULL;

}

static inline TargetFdDataFunc fd_trans_host_to_target_data(int fd)

{

    if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {

        return target_fd_trans[fd]->host_to_target_data;

    }

    return NULL;

}

static inline TargetFdAddrFunc fd_trans_target_to_host_addr(int fd)

{

    if (fd >= 0 && fd < target_fd_max && target_fd_trans[fd]) {

        return target_fd_trans[fd]->target_to_host_addr;

    }

    return NULL;

}

static inline void fd_trans_register(int fd, TargetFdTrans *trans)

{

    unsigned int oldmax;

    if (fd >= target_fd_max) {

        oldmax = target_fd_max;

        target_fd_max = ((fd >> 6) + 1) << 6; /* by slice of 64 entries */

        target_fd_trans = g_renew(TargetFdTrans *,

                                  target_fd_trans, target_fd_max);

        memset((void *)(target_fd_trans + oldmax), 0,

               (target_fd_max - oldmax) * sizeof(TargetFdTrans *));

    }

    target_fd_trans[fd] = trans;

}

static inline void fd_trans_unregister(int fd)

{

    if (fd >= 0 && fd < target_fd_max) {

        target_fd_trans[fd] = NULL;

    }

}

static inline void fd_trans_dup(int oldfd, int newfd)

{

    fd_trans_unregister(newfd);

    if (oldfd < target_fd_max && target_fd_trans[oldfd]) {

        fd_trans_register(newfd, target_fd_trans[oldfd]);

    }

}

extern TargetFdTrans target_packet_trans;

#ifdef CONFIG_RTNETLINK

extern TargetFdTrans target_netlink_route_trans;

#endif

extern TargetFdTrans target_netlink_audit_trans;

extern TargetFdTrans target_signalfd_trans;

extern TargetFdTrans target_eventfd_trans;

#if (defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)) || \

    (defined(CONFIG_INOTIFY1) && defined(TARGET_NR_inotify_init1) && \

     defined(__NR_inotify_init1))

extern TargetFdTrans target_inotify_trans;

#endif

#endif