1 /*****************************************************************************/
5 /* Segment management */
9 /* (C) 2000-2001 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
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 /*****************************************************************************/
48 /*****************************************************************************/
50 /*****************************************************************************/
61 /*****************************************************************************/
63 /*****************************************************************************/
68 typedef enum segment_t {
76 /* A list of all segments used when generating code */
77 typedef struct Segments Segments;
79 struct TextSeg* Text; /* Text segment */
80 struct CodeSeg* Code; /* Code segment */
81 struct DataSeg* Data; /* Data segment */
82 struct DataSeg* ROData; /* Readonly data segment */
83 struct DataSeg* BSS; /* Segment for uninitialized data */
84 segment_t CurDSeg; /* Current data segment */
87 /* Pointer to the current segment list. Output goes here. */
92 /*****************************************************************************/
94 /*****************************************************************************/
98 void InitSegNames (void);
99 /* Initialize the segment names */
101 void NewSegName (segment_t Seg, const char* Name);
102 /* Set a new name for a segment */
104 int ValidSegName (const char* Name);
105 /* Return true if the given segment name is valid, return false otherwise */
107 Segments* PushSegments (struct SymEntry* Func);
108 /* Make the new segment list current but remember the old one */
110 void PopSegments (void);
111 /* Pop the old segment list (make it current) */
113 void UseDataSeg (segment_t DSeg);
114 /* For the current segment list, use the data segment DSeg */
116 struct DataSeg* GetDataSeg (void);
117 /* Return the current data segment */
119 void AddTextLine (const char* Format, ...) attribute ((format (printf, 1, 2)));
120 /* Add a line of code to the current text segment */
122 void AddCodeLine (const char* Format, ...) attribute ((format (printf, 1, 2)));
123 /* Add a line of code to the current code segment */
125 void AddDataLine (const char* Format, ...) attribute ((format (printf, 1, 2)));
126 /* Add a line of data to the current data segment */
128 void OutputSegments (const Segments* S, FILE* F);
129 /* Output the given segments to the file */
133 /* End of segments.h */