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Report empty space between sections in map file

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This commit is contained in:
Rangi
2022-08-27 14:26:35 -04:00
committed by Eldred Habert
parent c7a92d3104
commit f1b74fa610
1 changed files with 20 additions and 2 deletions
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22
src/link/output.c
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@@ -375,6 +375,7 @@ static uint16_t writeMapBank(struct SortedSections const *sectList,
bank + sectionTypeInfo[type].firstBank); bank + sectionTypeInfo[type].firstBank);
uint16_t used = 0; uint16_t used = 0;
uint16_t prevEndAddr = sectionTypeInfo[type].startAddr;
while (section || zeroLenSection) { while (section || zeroLenSection) {
struct SortedSection const **pickedSection = struct SortedSection const **pickedSection =
@@ -382,12 +383,21 @@ static uint16_t writeMapBank(struct SortedSections const *sectList,
struct Section const *sect = (*pickedSection)->section; struct Section const *sect = (*pickedSection)->section;
used += sect->size; used += sect->size;
assert(sect->offset == 0); assert(sect->offset == 0);
if (prevEndAddr < sect->org) {
uint16_t empty = sect->org - prevEndAddr;
fprintf(mapFile, " EMPTY: $%04" PRIx16 " byte%s\n", empty,
empty == 1 ? "" : "s");
}
prevEndAddr = sect->org + sect->size;
if (sect->size != 0) if (sect->size != 0)
fprintf(mapFile, " SECTION: $%04" PRIx16 "-$%04x ($%04" PRIx16 fprintf(mapFile, " SECTION: $%04" PRIx16 "-$%04x ($%04" PRIx16
" byte%s) [\"%s\"]\n", " byte%s) [\"%s\"]\n",
sect->org, sect->org + sect->size - 1, sect->org, prevEndAddr - 1,
sect->size, sect->size == 1 ? "" : "s", sect->size, sect->size == 1 ? "" : "s",
sect->name); sect->name);
else else
@@ -414,6 +424,14 @@ static uint16_t writeMapBank(struct SortedSections const *sectList,
*pickedSection = (*pickedSection)->next; *pickedSection = (*pickedSection)->next;
} }
uint16_t bankEndAddr = sectionTypeInfo[type].startAddr + sectionTypeInfo[type].size;
if (prevEndAddr < bankEndAddr) {
uint16_t empty = bankEndAddr - prevEndAddr;
fprintf(mapFile, " EMPTY: $%04" PRIx16 " byte%s\n", empty,
empty == 1 ? "" : "s");
}
if (used == 0) { if (used == 0) {
fputs(" EMPTY\n\n", mapFile); fputs(" EMPTY\n\n", mapFile);