1 //####COPYRIGHTBEGIN####
3 // ----------------------------------------------------------------------------
4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
6 // This program is part of the eCos host tools.
8 // This program is free software; you can redistribute it and/or modify it
9 // under the terms of the GNU General Public License as published by the Free
10 // Software Foundation; either version 2 of the License, or (at your option)
13 // This program is distributed in the hope that it will be useful, but WITHOUT
14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 // You should have received a copy of the GNU General Public License along with
19 // this program; if not, write to the Free Software Foundation, Inc.,
20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 // ----------------------------------------------------------------------------
24 //####COPYRIGHTEND####
25 //=================================================================
29 // Memory Layout Tool map data structure manipulation interface
31 //=================================================================
32 //=================================================================
33 //#####DESCRIPTIONBEGIN####
35 // Author(s): John Dallaway
37 // Date: 1998/07/29 $RcsDate$ {or whatever}
38 // Version: 0.00+ $RcsVersion$ {or whatever}
39 // Purpose: Provides an interface to create and destroy memory
40 // regions and sections within the memory map. Exposes
41 // data structures for the presentation of this data
43 // See also: memmap.cpp
44 // Known bugs: <UPDATE_ME_AT_RELEASE_TIME>
45 // WARNING: Do not modify data structures other than by using the
47 // Usage: #include "memmap.h"
49 // status = set_map_size (0x8000);
51 //####DESCRIPTIONEND####
53 #if !defined(AFX_MEMMAP_H__75497C90_17F4_11D2_BFBB_00A0C9554250__INCLUDED_)
54 #define AFX_MEMMAP_H__75497C90_17F4_11D2_BFBB_00A0C9554250__INCLUDED_
58 #endif // _MSC_VER >= 1000
62 #define INCLUDEFILE <list>
63 #include "IncludeSTL.h"
64 #define INCLUDEFILE <map>
65 #include "IncludeSTL.h"
66 #define INCLUDEFILE <string>
67 #include "IncludeSTL.h"
68 #define INCLUDEFILE <algorithm>
69 #include "IncludeSTL.h"
79 #define ERR_MEMMAP_REGION_NONAME 1
80 #define ERR_MEMMAP_REGION_MAPSIZE 2
81 #define ERR_MEMMAP_REGION_INTERSECT 3 /* region name returned in error_info */
82 #define ERR_MEMMAP_REGION_NAMEINUSE 4
83 #define ERR_MEMMAP_REGION_NOTFOUND 5
84 #define ERR_MEMMAP_REGION_SIZE 6
85 #define ERR_MEMMAP_ALLOC 7
86 #define ERR_MEMMAP_SECTION_NONAME 8
87 #define ERR_MEMMAP_SECTION_NAMEINUSE 9
88 #define ERR_MEMMAP_SECTION_LMA_NOTINREGION 10
89 #define ERR_MEMMAP_SECTION_VMA_NOTINREGION 11
90 #define ERR_MEMMAP_SECTION_LMA_ANCHORNOTFOUND 12
91 #define ERR_MEMMAP_SECTION_LMA_ANCHORNOTAVAIL 13
92 #define ERR_MEMMAP_SECTION_VMA_ANCHORNOTFOUND 14
93 #define ERR_MEMMAP_SECTION_VMA_ANCHORNOTAVAIL 15
94 #define ERR_MEMMAP_SECTION_NOTFOUND 17
95 #define ERR_MEMMAP_SECTION_VMA_READONLY 18
96 #define ERR_MEMMAP_SECTION_LMA_READWRITE 19
97 #define ERR_MEMMAP_SECTION_ILLEGAL_RELOCATION 20
99 #define LD_ILLEGAL_CHARS _T(" ,.")
100 #define MLT_FILE_VERSION 0
101 #define MLT_GENERATED_WARNING "// This is a generated file - do not edit"
103 typedef unsigned long mem_address; // FIXME: is a 32-bit memory address sufficient?
104 typedef struct tag_mem_location mem_location; // forward declaration for struct tag_mem_location
106 // the location of each section is specified either relative to another
107 // section or using an absolute memory address, either the start or end
108 // address may be specified
110 typedef enum mem_anchor {relative, absolute};
112 // each section view item may represent either the initial location of
113 // the section, the final location, or both locations if the section does
116 typedef enum section_location_type {initial_location, final_location, fixed_location};
118 // a memory region may be either ROM (read-only) or RAM (read-write).
120 typedef enum mem_type {read_only, read_write};
122 // the memory section structure describes the initial and final locations
123 // of a section, its size and relocation information
128 std::string name; // the name of the section
129 bool relocates; // if the memory section relocates
130 bool linker_defined; // if the memory section is linker-defined
131 mem_address alignment; // the section alignment
132 mem_address size; // memory section size (zero if unknown)
133 mem_location * final_location; // the final memory section location (always defined)
134 mem_location * initial_location; // the initial memory section location (always defined)
135 std::string note; // comment lines
140 // the memory location structure describes the way in which the section is
141 // anchored, the absolute address of the anchor (if any) and the names of
142 // the preceding and following relative sections (if any)
144 typedef struct tag_mem_location
146 mem_anchor anchor; // type of anchor
147 mem_address address; // the absolute anchor address (if any)
148 std::list <mem_section>::iterator following_section; // the section declared as following this one
151 // the section view structure consists of the section name (which is used
152 // as a key to look up section information in the section map) and an enum
153 // describing the state of the section which it represents
155 typedef struct tag_mem_section_view
157 std::list <mem_section>::iterator section; // unused section if NULL
158 section_location_type section_location;
161 // the memory region structure describes the region name, size, address,
162 // RAM/ROM status and a list of section views which reside in the region
164 typedef struct tag_mem_region
166 std::string name; // the name of the region
167 mem_address size; // the size of the memory region in bytes
168 mem_address address; // the absolute location of the memory region
169 mem_type type; // ROM or RAM
170 std::list <mem_section_view> section_view_list;
171 std::string note; // comment lines
178 bool delete_memory_section (std::string name);
179 int edit_memory_section (std::string old_name,
180 std::string new_name,
181 mem_address section_size,
182 mem_address section_alignment,
183 mem_anchor initial_section_anchor,
184 std::string initial_anchor_section_name,
185 mem_address initial_anchor_address,
186 mem_anchor final_section_anchor,
187 std::string final_anchor_section_name,
188 mem_address final_anchor_address,
190 bool anchor_to_initial_location,
193 int create_memory_section (std::string section_name,
194 mem_address section_size,
195 mem_address section_alignment,
196 mem_anchor initial_section_anchor,
197 std::string initial_anchor_section_name,
198 mem_address initial_anchor_address,
199 mem_anchor final_section_anchor,
200 std::string final_anchor_section_name,
201 mem_address final_anchor_address,
203 bool anchor_to_initial_location,
206 bool set_map_size (mem_address size);
207 bool delete_memory_region (std::string name);
208 bool get_memory_region (std::string region_name,
209 mem_address * region_address,
210 mem_address * region_size,
211 mem_type * region_type,
213 int create_memory_region (std::string name, mem_address location,
214 mem_address size, mem_type type, std::string note);
215 int edit_memory_region (std::string old_name, std::string new_name, mem_address new_location,
216 mem_address new_size, mem_type new_type, std::string note);
217 bool delete_all_memory_sections ();
218 bool export_files (LPCTSTR script_name, LPCTSTR header_name);
219 bool import_linker_defined_sections (LPCTSTR filename);
220 bool save_memory_layout (LPCTSTR filename);
221 bool load_memory_layout (LPCTSTR filename);
222 bool new_memory_layout ();
223 bool map_modified () { return map_modified_flag; };
224 bool section_exists (std::string section_name);
225 std::list <mem_section>::iterator find_memory_section (std::string section_name);
226 std::list <mem_section>::iterator find_preceding_section (std::list <mem_section>::iterator section, bool initial_location);
227 std::string error_info;
228 std::list <mem_region> region_list; // ordered list of memory regions
229 std::list <mem_section> section_list; // list of memory sections
230 std::list <std::string> linker_defined_section_list; // list of linker-defined sections
236 std::list <mem_region>::iterator find_memory_region (std::string);
237 std::list <mem_region>::iterator find_region_by_address (mem_address);
238 std::list <mem_region>::iterator find_region_by_section (std::list <mem_section>::iterator section, section_location_type location_type);
239 mem_address map_size; // total size of memory map
240 bool add_absolute_section_to_list (std::list <mem_region>::iterator region,
241 std::list <mem_section>::iterator additional_section,
242 section_location_type location_type);
243 bool add_relative_sections_to_list (std::list <mem_region>::iterator region,
244 std::list <mem_section_view>::iterator section_view,
245 section_location_type location_type);
246 bool calc_section_list (std::list <mem_region>::iterator region);
247 bool calc_section_lists ();
248 bool at_start_of_region (std::list <mem_section>::iterator section,
249 std::list <mem_region>::iterator region);
250 bool at_end_of_region (std::list <mem_section>::iterator section,
251 std::list <mem_region>::iterator region);
252 bool absolute_sections_meet (std::list <mem_section>::iterator section1,
253 std::list <mem_section>::iterator section2);
254 bool load_memory_section_1 (FILE * stream);
255 bool load_memory_section_2 (FILE * stream);
256 bool export_sections (FILE *, FILE *, mem_type);
257 bool map_modified_flag;
258 std::string encode_note (std::string);
259 std::string decode_note (std::string);
260 std::string encode_section_name (std::string);
261 std::string decode_section_name (std::string);
264 #endif // !defined(AFX_MEMMAP_H__75497C90_17F4_11D2_BFBB_00A0C9554250__INCLUDED_)