gdb/rdi-share/hsys.h

   1 /*
   2  * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
   3  *
   4  * This software may be freely used, copied, modified, and distributed
   5  * provided that the above copyright notice is preserved in all copies of the
   6  * software.
   7  */
   8
   9 /*
  10  * Host C library support header file.
  11  *
  12  * $Revision$
  13  *     $Date$
  14  *
  15  */
  16
  17 #ifndef angsd_hsys_h
  18 #define angsd_hsys_h
  19
  20 #define HSYS_FOPEN_MAX 256
  21 #define NONHANDLE -1
  22 #define UNIQUETEMPS 256
  23
  24 #include "dbg_hif.h"
  25 #include "hostchan.h"
  26
  27 typedef struct {
  28   FILE *FileTable[HSYS_FOPEN_MAX] ;
  29   char FileFlags[HSYS_FOPEN_MAX] ;
  30   char *TempNames[UNIQUETEMPS];
  31 } OSblock;
  32
  33 #define NOOP 0
  34 #define BINARY 1
  35 #define READOP 2
  36 #define WRITEOP 4
  37
  38 typedef struct {
  39   const struct Dbg_HostosInterface *hostif;  /* Interface to debug toolkit. */
  40   int last_errno;                              /* Number of the last error. */
  41   OSblock *OSptr;
  42   char **CommandLine ;           /* Ptr to cmd line d`string held by ardi.c */
  43 } hsys_state;
  44
  45 /*
  46  *  Function: HostSysInit
  47  *   Purpose: Set up the state block, filetable and register the and C lib
  48  *            callback fn
  49  *
  50  *    Params:
  51  *       Input: hostif, the host interface from the debug toolbox
  52  *              cmdline, the command line used to call the image
  53  *              state, the status block for the C lib
  54  *
  55  *   Returns:
  56  *          OK: an RDIError_* valuee
  57  */
  58 extern int HostSysInit(
  59   const struct Dbg_HostosInterface *hostif, char **cmdline, hsys_state **state
  60 );
  61
  62 /*
  63  *  Function: HostSysExit
  64  *   Purpose: Close down the host side C library support
  65  *
  66  *    Params:
  67  *       Input: hstate, the status block for the C lib
  68  *
  69  *    Returns:  an RDIError_* valuee
  70  */
  71 extern int HostSysExit(hsys_state *hstate);
  72
  73 /*
  74  *  Function: HandleSysMessage
  75  *   Purpose: Handle an incoming C library message as a callback
  76  *
  77  *    Params:
  78  *       Input: packet is the incoming data packet as described in devsw.h
  79  *       hstate, the status block for the C lib
  80  *
  81  *    Returns:  an RDIError_* valuee
  82  */
  83 extern int HandleSysMessage(Packet *packet, hsys_state* stateptr);
  84
  85 /*
  86  *  Function: panic
  87  *   Purpose: Print a fatal error message
  88  *
  89  *    Params:
  90  *       Input: format  printf() style message describing the problem
  91  *              ...     extra arguments for printf().
  92  *
  93  *   Returns: This routine does not return
  94  *
  95  * Post-conditions: Will have called exit(1);
  96  */
  97 extern void panic(const char *format, ...);
  98
  99 #endif /* ndef angsd_hsys_h */
 100
 101 /* EOF hsys.h */