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Output USED space, not FREE space, in the .map file

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Fixes #808
This commit is contained in:
Rangi
2021-03-28 15:49:44 -04:00
parent 7e7f92f18c
commit 28abf03c0a
1 changed files with 19 additions and 15 deletions
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34
src/link/output.c
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@@ -336,7 +336,7 @@ static void writeSymBank(struct SortedSections const *bankSections)
/**
* Write a bank's contents to the map file
* @param bankSections The bank's sections
* @return The bank's slack space
* @return The bank's used space
*/
static uint16_t writeMapBank(struct SortedSections const *sectList,
enum SectionType type, uint32_t bank)
@@ -350,14 +350,14 @@ static uint16_t writeMapBank(struct SortedSections const *sectList,
fprintf(mapFile, "%s bank #%" PRIu32 ":\n", typeNames[type],
bank + bankranges[type][0]);
uint16_t slack = maxsize[type];
uint16_t used = 0;
while (section || zeroLenSection) {
struct SortedSection const **pickedSection =
nextSection(&section, &zeroLenSection);
struct Section const *sect = (*pickedSection)->section;
slack -= sect->size;
used += sect->size;
if (sect->size != 0)
fprintf(mapFile, " SECTION: $%04" PRIx16 "-$%04" PRIx16 " ($%04" PRIx16 " byte%s) [\"%s\"]\n",
@@ -382,36 +382,40 @@ static uint16_t writeMapBank(struct SortedSections const *sectList,
*pickedSection = (*pickedSection)->next;
}
if (slack == maxsize[type])
if (used == 0) {
fputs(" EMPTY\n\n", mapFile);
else
} else {
uint16_t slack = maxsize[type] - used;
fprintf(mapFile, " SLACK: $%04" PRIx16 " byte%s\n\n", slack,
slack == 1 ? "" : "s");
}
return slack;
return used;
}
/**
* Write the total slack space by section type to the map file
* @param slackMap The total slack space by section type
* Write the total used space by section type to the map file
* @param usedMap The total used space by section type
*/
static void writeMapSlack(uint32_t slackMap[MIN_NB_ELMS(SECTTYPE_INVALID)])
static void writeMapUsed(uint32_t usedMap[MIN_NB_ELMS(SECTTYPE_INVALID)])
{
if (!mapFile)
return;
fputs("FREE:\n", mapFile);
fputs("USED:\n", mapFile);
for (uint8_t i = 0; i < SECTTYPE_INVALID; i++) {
enum SectionType type = typeMap[i];
// Do not output slack space for VRAM or OAM
// Do not output used space for VRAM or OAM
if (type == SECTTYPE_VRAM || type == SECTTYPE_OAM)
continue;
if (sections[type].nbBanks > 0) {
fprintf(mapFile, " %s: $%04" PRIx32 " byte%s in %" PRIu32 " bank%s\n",
typeNames[type], slackMap[type], slackMap[type] == 1 ? "" : "s",
typeNames[type], usedMap[type], usedMap[type] == 1 ? "" : "s",
sections[type].nbBanks, sections[type].nbBanks == 1 ? "" : "s");
}
}
@@ -425,7 +429,7 @@ static void writeSymAndMap(void)
if (!symFileName && !mapFileName)
return;
uint32_t slackMap[SECTTYPE_INVALID] = {0};
uint32_t usedMap[SECTTYPE_INVALID] = {0};
symFile = openFile(symFileName, "w");
mapFile = openFile(mapFileName, "w");
@@ -440,11 +444,11 @@ static void writeSymAndMap(void)
struct SortedSections const *sect = &sections[type].banks[bank];
writeSymBank(sect);
slackMap[type] += writeMapBank(sect, type, bank);
usedMap[type] += writeMapBank(sect, type, bank);
}
}
writeMapSlack(slackMap);
writeMapUsed(usedMap);
closeFile(symFile);
closeFile(mapFile);