1/*****************************************************************************/
2/* */
3/* memarea.h */
4/* */
5/* Memory area definition for the ld65 linker */
6/* */
7/* */
8/* */
9/* (C) 2010-2012, Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef MEMAREA_H
37#define MEMAREA_H
38
39
40
41/* common */
42#include "coll.h"
43
44/* ld65 */
45#include "lineinfo.h"
46
47
48
49/*****************************************************************************/
50/* Data */
51/*****************************************************************************/
52
53
54
55/* Forwards for structures */
56struct ExprNode;
57struct File;
58
59/* Memory area entry */
60typedef struct MemoryArea MemoryArea;
61struct MemoryArea {
62 LineInfo* LI; /* Where was the area was defined? */
63 unsigned Name; /* Name index of the memory area */
64 unsigned Attr; /* Which values are valid? */
65 unsigned Flags; /* Set of bitmapped flags */
66 unsigned long FileOffs; /* Offset in output file */
67 struct ExprNode* StartExpr; /* Expression for start address */
68 unsigned long Start; /* Start address */
69 struct ExprNode* SizeExpr; /* Expression for size */
70 unsigned long Size; /* Length of memory section */
71 struct ExprNode* BankExpr; /* Expression for bank */
72 unsigned long FillLevel; /* Actual fill level of segment */
73 unsigned char FillVal; /* Value used to fill rest of seg */
74 unsigned char Relocatable; /* Memory area is relocatable */
75 Collection SegList; /* List of segments for this area */
76 struct File* F; /* Output file for this area */
77};
78
79/* Memory flags */
80#define MF_DEFINE 0x0001 /* Define start and size */
81#define MF_FILL 0x0002 /* Fill segment */
82#define MF_RO 0x0004 /* Read only memory area */
83#define MF_OVERFLOW 0x0008 /* Memory area overflow */
84#define MF_PLACED 0x0010 /* Memory area was placed */
85
86
87
88/*****************************************************************************/
89/* Code */
90/*****************************************************************************/
91
92
93
94MemoryArea* NewMemoryArea (const FilePos* Pos, unsigned Name);
95/* Create a new memory area and insert it into the list */
96
97
98
99/* End of memarea.h */
100
101#endif
102