1 /* Memory attributes support, for GDB.
3 Copyright (C) 2001, 2006 Free Software Foundation, Inc.
5 This file is part of GDB.
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 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
29 MEM_RW, /* read/write */
30 MEM_RO, /* read only */
31 MEM_WO /* write only */
36 MEM_WIDTH_UNSPECIFIED,
37 MEM_WIDTH_8, /* 8 bit accesses */
38 MEM_WIDTH_16, /* 16 " " */
39 MEM_WIDTH_32, /* 32 " " */
40 MEM_WIDTH_64 /* 64 " " */
43 /* The set of all attributes that can be set for a memory region.
45 This structure was created so that memory attributes can be passed
46 to target_ functions without exposing the details of memory region
47 list, which would be necessary if these fields were simply added to
48 the mem_region structure.
50 FIXME: It would be useful if there was a mechanism for targets to
51 add their own attributes. For example, the number of wait states. */
55 /* read/write, read-only, or write-only */
56 enum mem_access_mode mode;
58 enum mem_access_width width;
60 /* enables hardware breakpoints */
63 /* enables host-side caching of memory region data */
66 /* enables memory verification. after a write, memory is re-read
67 to verify that the write was successful. */
76 /* Item number of this memory region. */
79 /* Status of this memory region (enabled if non-zero, otherwise disabled) */
82 /* Attributes for this region */
83 struct mem_attrib attrib;
86 /* Declare a vector type for a group of mem_region structures. The
87 typedef is necessary because vec.h can not handle a struct tag.
88 Except during construction, these vectors are kept sorted. */
89 typedef struct mem_region mem_region_s;
90 DEF_VEC_O(mem_region_s);
92 extern struct mem_region *lookup_mem_region(CORE_ADDR);
94 #endif /* MEMATTR_H */