--- /dev/null
+/*****************************************************************************/
+/* */
+/* segrange.c */
+/* */
+/* A segment range */
+/* */
+/* */
+/* */
+/* (C) 2003 Ullrich von Bassewitz */
+/* Römerstraße 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. */
+/* */
+/*****************************************************************************/
+
+
+
+/* common */
+#include "xmalloc.h"
+
+/* ca65 */
+#include "segment.h"
+#include "segrange.h"
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+SegRange* NewSegRange (struct Segment* Seg)
+/* Create a new segment range. The segment is set to Seg, Start and End are
+ * set to the current PC of the segment.
+ */
+{
+ /* Allocate memory */
+ SegRange* R = xmalloc (sizeof (SegRange));
+
+ /* Initialize the struct */
+ R->Seg = Seg;
+ R->Start = Seg->PC;
+ R->End = Seg->PC;
+
+ /* Return the new struct */
+ return R;
+}
+
+
+
+void AddSegRanges (Collection* Ranges)
+/* Add a segment range for all existing segments to the given collection of
+ * ranges. The currently active segment will be inserted first with all others
+ * following.
+ */
+{
+ Segment* Seg;
+
+ /* Add the currently active segment */
+ CollAppend (Ranges, NewSegRange (ActiveSeg));
+
+ /* Walk through the segment list and add all other segments */
+ Seg = SegmentList;
+ while (Seg) {
+ /* Be sure to skip the active segment, since it was already added */
+ if (Seg != ActiveSeg) {
+ CollAppend (Ranges, NewSegRange (Seg));
+ }
+ Seg = Seg->List;
+ }
+}
+
+
+
+void CloseSegRanges (Collection* Ranges)
+/* Close all open segment ranges by setting PC to the current PC for the
+ * segment.
+ */
+{
+ unsigned I;
+
+ /* Walk over the segment list */
+ for (I = 0; I < CollCount (Ranges); ++I) {
+
+ /* Get the next segment range */
+ SegRange* R = CollAtUnchecked (Ranges, I);
+
+ /* Set the end offset */
+ R->End = R->Seg->PC;
+ }
+}
+
+
+
--- /dev/null
+/*****************************************************************************/
+/* */
+/* segrange.h */
+/* */
+/* A segment range */
+/* */
+/* */
+/* */
+/* (C) 2003 Ullrich von Bassewitz */
+/* Römerstraße 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 SEGRANGE_H
+#define SEGRANGE_H
+
+
+
+/* common */
+#include "coll.h"
+#include "inline.h"
+
+
+
+/*****************************************************************************/
+/* Data */
+/*****************************************************************************/
+
+
+
+/* Segment range definition */
+typedef struct SegRange SegRange;
+struct SegRange{
+ struct Segment* Seg; /* Pointer to segment */
+ unsigned long Start; /* Start of range */
+ unsigned long End; /* End of range */
+};
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+SegRange* NewSegRange (struct Segment* Seg);
+/* Create a new segment range. The segment is set to Seg, Start and End are
+ * set to the current PC of the segment.
+ */
+
+#if defined(HAVE_INLINE)
+INLINE unsigned long GetSegRangeSize (const SegRange* R)
+/* Return the segment range size in bytes */
+{
+ return (R->End - R->Start);
+}
+#else
+# define GetSegRangeSize (R) ((R)->End - (R)->Start)
+#endif
+
+void AddSegRanges (Collection* Ranges);
+/* Add a segment range for all existing segments to the given collection of
+ * ranges. The currently active segment will be inserted first with all others
+ * following.
+ */
+
+void CloseSegRanges (Collection* Ranges);
+/* Close all open segment ranges by setting PC to the current PC for the
+ * segment.
+ */
+
+
+
+/* End of segrange.h */
+
+#endif
+
+
+
projects / cc65 / commitdiff