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Add free space info in relevant segments

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This commit is contained in:
Colin Leroy-Mira 2023-12-21 21:10:37 +01:00
parent 8c329dfd1a
commit f039f6832c
1 changed files with 32 additions and 4 deletions
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36
src/ld65/segments.c
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@ -590,8 +590,8 @@ void PrintSegmentMap (FILE* F)
qsort (SegPool, CollCount (&SegmentList), sizeof (Segment*), CmpSegStart);
/* Print a header */
fprintf (F, "Name Start End Size Align\n"
"----------------------------------------------------\n");
fprintf (F, "Name Start End Size Align Free Memory area\n"
"------------------------------------------------------------------------\n");
/* Print the segments */
for (I = 0; I < CollCount (&SegmentList); ++I) {
@ -602,13 +602,41 @@ void PrintSegmentMap (FILE* F)
/* Print empty segments only if explicitly requested */
if (VerboseMap || S->Size > 0) {
/* Print the segment data */
long End = S->PC + S->Size;
unsigned long End = S->PC + S->Size;
if (S->Size > 0) {
/* Point to last element addressed */
--End;
}
fprintf (F, "%-20s %06lX %06lX %06lX %05lX\n",
fprintf (F, "%-20s %06lX %06lX %06lX %05lX",
GetString (S->Name), S->PC, End, S->Size, S->Alignment);
/* If the segment is of type BSS (or is apple2's LC),
* check if it's the last one in this memory area to print
* a relevant free count.
*/
if (S->MemArea
&& (!strcmp(GetString(S->MemArea->Name), "BSS")
|| !strcmp(GetString(S->MemArea->Name), "LC"))
&& S->Size > 0
&& (I + 1 == CollCount (&SegmentList) || SegPool[I+1]->MemArea != S->MemArea)
&& S->MemArea->Size > S->MemArea->FillLevel) {
fprintf(F, " %06lX", S->MemArea->Size - S->MemArea->FillLevel);
/* If the next segment is in the same memory area, but starts after
* the end of this one, we have free space
*/
} else if (I + 1 < CollCount (&SegmentList)
&& SegPool[I+1]->MemArea == S->MemArea
&& SegPool[I+1]->PC - 1 > End
&& S->Size > 0) {
fprintf(F, " %06lX", SegPool[I+1]->PC - End - 1);
/* No free space there. */
} else {
fprintf(F, " %06X", 0);
}
fprintf(F, " %s\n", S->MemArea ? GetString(S->MemArea->Name):"");
}
}