1 /*****************************************************************************/
5 /* Target configuration file for the ld65 linker */
9 /* (C) 1998-2003 Ullrich von Bassewitz */
10 /* Römerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
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. */
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: */
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 */
32 /*****************************************************************************/
45 /*****************************************************************************/
47 /*****************************************************************************/
52 typedef struct File File;
54 File* Next; /* Pointer to next entry in list */
56 unsigned Format; /* Output format */
57 struct Memory* MemList; /* List of memory areas in this file */
58 struct Memory* MemLast; /* Last memory area in this file */
59 char Name [1]; /* Name of file */
62 /* Segment list node. Needed because there are two lists (RUN & LOAD) */
63 typedef struct MemListNode MemListNode;
65 MemListNode* Next; /* Next entry */
66 struct SegDesc* Seg; /* Segment */
69 /* Memory list entry */
70 typedef struct Memory Memory;
72 Memory* Next; /* Pointer to next entry in list */
73 Memory* FNext; /* Next in file list */
74 unsigned Attr; /* Which values are valid? */
75 unsigned Flags; /* Set of bitmapped flags */
76 unsigned long Start; /* Start address */
77 unsigned long Size; /* Length of memory section */
78 unsigned long FillLevel; /* Actual fill level of segment */
79 unsigned char FillVal; /* Value used to fill rest of seg */
80 MemListNode* SegList; /* List of segments for this section */
81 MemListNode* SegLast; /* Last segment in this section */
82 File* F; /* File that contains the entry */
83 char Name [1]; /* Name of the memory section */
86 /* Segment descriptor entry */
87 typedef struct SegDesc SegDesc;
89 SegDesc* Next; /* Pointer to next entry in list */
90 Segment* Seg; /* Pointer to segment structure */
91 unsigned Attr; /* Attributes for segment */
92 unsigned Flags; /* Set of bitmapped flags */
93 Memory* Load; /* Load memory section */
94 Memory* Run; /* Run memory section */
95 unsigned long Addr; /* Start address or offset into segment */
96 unsigned char Align; /* Alignment if given */
97 char Name [1]; /* Copy of name */
101 extern SegDesc* SegDescList; /* Single linked list */
102 extern unsigned SegDescCount; /* Number of entries in list */
105 #define MF_DEFINE 0x0001 /* Define start and size */
106 #define MF_FILL 0x0002 /* Fill segment */
107 #define MF_RO 0x0004 /* Read only memory area */
110 #define SF_RO 0x0001 /* Read only segment */
111 #define SF_BSS 0x0002 /* Segment is BSS style segment */
112 #define SF_ZP 0x0004 /* Zeropage segment (o65 only) */
113 #define SF_WPROT 0x0008 /* Write protected segment */
114 #define SF_DEFINE 0x0010 /* Define start and size */
115 #define SF_ALIGN 0x0020 /* Align the segment */
116 #define SF_OFFSET 0x0040 /* Segment has offset in memory */
117 #define SF_START 0x0080 /* Segment has fixed start address */
118 #define SF_OPTIONAL 0x0100 /* Segment is optional (must not exist) */
119 #define SF_LOAD_AND_RUN 0x1000 /* LOAD and RUN given */
120 #define SF_RUN_DEF 0x2000 /* RUN symbols already defined */
121 #define SF_LOAD_DEF 0x4000 /* LOAD symbols already defined */
125 /*****************************************************************************/
127 /*****************************************************************************/
132 /* Read the configuration */
134 void CfgAssignSegments (void);
135 /* Assign segments, define linker symbols where requested */
137 void CfgWriteTarget (void);
138 /* Write the target file(s) */
142 /* End of config.h */