sim/common/sim-arange.h

   1 /* Address ranges.
   2    Copyright (C) 1998 Free Software Foundation, Inc.
   3    Contributed by Cygnus Solutions.
   4
   5 This file is part of the GNU Simulators.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 /* This file is meant to be included by sim-basics.h.  */
  22
  23 #ifndef SIM_ARANGE_H
  24 #define SIM_ARANGE_H
  25
  26 /* A list of address ranges.  */
  27
  28 typedef struct _addr_subrange {
  29   struct _addr_subrange *next;
  30
  31   /* Range of addresses to be traced is [start,end].  */
  32   address_word start,end;
  33 } ADDR_SUBRANGE;
  34
  35 /* For speed, searching is done on a tree.  */
  36
  37 typedef struct _addr_range_tree {
  38   struct _addr_range_tree *lower;
  39   struct _addr_range_tree *higher;
  40
  41   /* Range of addresses to be traced is [start,end].  */
  42   address_word start,end;
  43 } ADDR_RANGE_TREE;
  44
  45 /* The top level struct.  */
  46
  47 typedef struct _addr_range {
  48   ADDR_SUBRANGE *ranges;
  49 #define ADDR_RANGE_RANGES(ar) ((ar)->ranges)
  50   ADDR_RANGE_TREE *range_tree;
  51 #define ADDR_RANGE_TREE(ar) ((ar)->range_tree)
  52 } ADDR_RANGE;
  53
  54 /* Add address range START,END to AR.  */
  55 extern void sim_addr_range_add (ADDR_RANGE * /*ar*/,
  56                                 address_word /*start*/,
  57                                 address_word /*end*/);
  58
  59 /* Delete address range START,END from AR.  */
  60 extern void sim_addr_range_delete (ADDR_RANGE * /*ar*/,
  61                                    address_word /*start*/,
  62                                    address_word /*end*/);
  63
  64 /* Return non-zero if ADDR is in range AR, traversing the entire tree.
  65    If no range is specified, that is defined to mean "everything".  */
  66 extern INLINE int
  67 sim_addr_range_hit_p (ADDR_RANGE * /*ar*/, address_word /*addr*/);
  68 #define ADDR_RANGE_HIT_P(ar, addr) \
  69   ((ar)->range_tree == NULL || sim_addr_range_hit_p ((ar), (addr)))
  70
  71 #ifdef HAVE_INLINE
  72 #ifdef SIM_ARANGE_C
  73 #define SIM_ARANGE_INLINE INLINE
  74 #else
  75 #define SIM_ARANGE_INLINE EXTERN_INLINE
  76 #endif
  77 #include "sim-arange.c"
  78 #else
  79 #define SIM_ARANGE_INLINE
  80 #endif
  81 #define SIM_ARANGE_C_INCLUDED
  82
  83 #endif /* SIM_ARANGE_H */