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Move the segment handling stuff from objcode to a separate module

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2555 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2003-10-21 20:34:56 +00:00
parent c25385afa2
commit cb57a213eb
13 changed files with 751 additions and 643 deletions
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124
src/ca65/segment.h Normal file
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/*****************************************************************************/
/* */
/* segment.h */
/* */
/* Segments for the ca65 macroassembler */
/* */
/* */
/* */
/* (C) 1998-2003 Ullrich von Bassewitz */
/* R<>merstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef SEGMENT_H
#define SEGMENT_H
/* common */
#include "fragdefs.h"
#include "segdefs.h"
/* ca65 */
#include "fragment.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Are we in absolute mode or in relocatable mode? */
extern int RelocMode;
/* Definitions for predefined segments */
extern SegDef NullSegDef;
extern SegDef ZeropageSegDef;
extern SegDef DataSegDef;
extern SegDef BssSegDef;
extern SegDef RODataSegDef;
extern SegDef CodeSegDef;
/*****************************************************************************/
/* Code */
/*****************************************************************************/
Fragment* GenFragment (unsigned char Type, unsigned short Len);
/* Generate a new fragment, add it to the current segment and return it. */
void UseSeg (const SegDef* D);
/* Use the given segment */
const SegDef* GetCurrentSeg (void);
/* Get a pointer to the segment defininition of the current segment */
unsigned GetSegNum (void);
/* Get the number of the current segment */
void SegAlign (unsigned Power, int Val);
/* Align the PC segment to 2^Power. If Val is -1, emit fill fragments (the
* actual fill value will be determined by the linker), otherwise use the
* given value.
*/
int IsZPSeg (void);
/* Return true if the current segment is a zeropage segment */
int IsFarSeg (void);
/* Return true if the current segment is a far segment */
unsigned GetSegType (unsigned SegNum);
/* Return the type of the segment with the given number */
unsigned long GetPC (void);
/* Get the program counter of the current segment */
void SetAbsPC (unsigned long AbsPC);
/* Set the program counter in absolute mode */
void SegCheck (void);
/* Check the segments for range and other errors */
void SegDump (void);
/* Dump the contents of all segments */
void WriteSegments (void);
/* Write the segment data to the object file */
/* End of segment.h */
#endif