Subversion Repositories openrisc_2011-10-31

#ifndef __BSP_GDB_DATA_H__

#define __BSP_GDB_DATA_H__

//==========================================================================

//

//      gdb-data.h

//

//      Shared data specific to gdb stub.

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos 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 or (at your option) any later version.

//

// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    

// Contributors: gthomas

// Date:         1999-10-20

// Purpose:      Shared data specific to gdb stub.

// Description:  

//               

//

//####DESCRIPTIONEND####

//

//=========================================================================

#ifndef __ASSEMBLER__

typedef int (*gdb_memproc_t)(void *__addr,    /* start addr of memory to read/write */

                             int  __asid,     /* address space id */

                             int  __size,     /* size of individual read/write ops */

                             int  __n,        /* number of read/write operations */

                             void *__buf);    /* result(read)/src(write) buffer */

typedef void (*gdb_regproc_t)(int  __regno,   /* Register number */

                              void *__regs,   /* pointer to saved regs */

                              void *__val);   /* pointer to register value */

typedef struct {

    /*

     * An application may override the standard BSP memory

     * read and/or write routines with these hooks.

     */

    gdb_memproc_t       __mem_read_hook;

    gdb_memproc_t       __mem_write_hook;

    /*

     * An application may override the standard BSP register

     * access routines with these hooks.

     */

    gdb_regproc_t       __reg_get_hook;

    gdb_regproc_t       __reg_set_hook;

    /*

     * An application may extend the gdb remote protocol by

     * installing hooks to handle unknown general query and

     * set packets ("q" pkts and 'Q' pkts) with these two hooks.

     */

    void                (*__pkt_query_hook)(unsigned char *__pkt);

    void                (*__pkt_set_hook)(unsigned char *__pkt);

    /*

     * An application may also extend the gdb remote protocol

     * by installing a hook to handle all unknown packets.

     */

    void                (*__pkt_hook)(unsigned char *__pkt);

    /*

     * The above hooks for receiving packets will probably need

     * a mechanism to respond. This vector is provided to allow

     * an application to append data to the outgoing packet which

     * will be sent after the above hooks are called.

     *

     * This vector uses a printf-like format string followed by

     * some number of arguments.

     */

    void                (*__pkt_append)(char *fmt, ...);

    /*

     * An application can read/write from/to gdb console

     * through these vectors.

     *

     * NB: console read is not supported and will block forever.

     */

    int                 (*__console_read)(char *__buf, int len);

    int                 (*__console_write)(char *__buf, int len);

} gdb_data_t;

extern gdb_data_t *__get_gdb_data(void);

#endif /* __ASSEMBLER__ */

#endif // __BSP_GDB_DATA_H__