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/*

 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.

 *

 * This software may be freely used, copied, modified, and distributed

 * provided that the above copyright notice is preserved in all copies of the

 * software.

 */

/*

 * Host C library support header file.

 *

 * $Revision: 1.1.1.1 $

 *     $Date: 2001-05-18 11:16:45 $

 *

 */

#ifndef angsd_hsys_h

#define angsd_hsys_h

#define HSYS_FOPEN_MAX 256

#define NONHANDLE -1

#define UNIQUETEMPS 256

#include "dbg_hif.h"

#include "hostchan.h"

typedef struct {

  FILE *FileTable[HSYS_FOPEN_MAX] ;

  char FileFlags[HSYS_FOPEN_MAX] ;

  char *TempNames[UNIQUETEMPS];

} OSblock;

#define NOOP 0

#define BINARY 1

#define READOP 2

#define WRITEOP 4

typedef struct {

  const struct Dbg_HostosInterface *hostif;  /* Interface to debug toolkit. */

  int last_errno;                              /* Number of the last error. */

  OSblock *OSptr;

  char **CommandLine ;           /* Ptr to cmd line d`string held by ardi.c */

} hsys_state;

/*

 *  Function: HostSysInit

 *   Purpose: Set up the state block, filetable and register the and C lib

 *            callback fn

 *

 *    Params:

 *       Input: hostif, the host interface from the debug toolbox

 *              cmdline, the command line used to call the image

 *              state, the status block for the C lib

 *

 *   Returns:

 *          OK: an RDIError_* valuee

 */

extern int HostSysInit(

  const struct Dbg_HostosInterface *hostif, char **cmdline, hsys_state **state

);

/*

 *  Function: HostSysExit

 *   Purpose: Close down the host side C library support

 *

 *    Params:

 *       Input: hstate, the status block for the C lib

 *

 *    Returns:  an RDIError_* valuee

 */

extern int HostSysExit(hsys_state *hstate);

/*

 *  Function: HandleSysMessage

 *   Purpose: Handle an incoming C library message as a callback

 *

 *    Params:

 *       Input: packet is the incoming data packet as described in devsw.h

 *       hstate, the status block for the C lib

 *

 *    Returns:  an RDIError_* valuee

 */

extern int HandleSysMessage(Packet *packet, hsys_state* stateptr);

/*

 *  Function: panic

 *   Purpose: Print a fatal error message

 *

 *    Params:

 *       Input: format  printf() style message describing the problem

 *              ...     extra arguments for printf().

 *

 *   Returns: This routine does not return

 *

 * Post-conditions: Will have called exit(1);

 */

extern void panic(const char *format, ...);

#endif /* ndef angsd_hsys_h */

/* EOF hsys.h */