shithub: rgbds

ref: de32e245c973d23815c27e9fe3bb2c6a5d01140d
dir: /src/link/mapfile.c/

#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "extern/err.h"

#include "link/main.h"
#include "link/mylink.h"
#include "link/assign.h"

static int32_t currentbank;
static int32_t sfbank;
static FILE *mf;
static FILE *sf;

void SetMapfileName(char *name)
{
	mf = fopen(name, "w");

	if (mf == NULL)
		err(1, "Cannot open mapfile '%s'", name);
}

void SetSymfileName(char *name)
{
	sf = fopen(name, "w");

	if (sf == NULL)
		err(1, "Cannot open symfile '%s'", name);

	fprintf(sf, "; File generated by rgblink\n\n");
}

void CloseMapfile(void)
{
	if (mf) {
		fclose(mf);
		mf = NULL;
	}
	if (sf) {
		fclose(sf);
		sf = NULL;
	}
}

void MapfileInitBank(int32_t bank)
{
	if (mf) {
		currentbank = bank;
		if (bank == BANK_ROM0)
			fprintf(mf, "ROM Bank #0 (HOME):\n");
		else if (bank < BANK_WRAM0)
			fprintf(mf, "ROM Bank #%d:\n", bank);
		else if (bank == BANK_WRAM0)
			fprintf(mf, "WRAM Bank #0:\n");
		else if (bank < BANK_VRAM)
			fprintf(mf, "WRAM Bank #%d:\n", bank - BANK_WRAMX + 1);
		else if (bank == BANK_HRAM)
			fprintf(mf, "HRAM:\n");
		else if (bank == BANK_VRAM || bank == BANK_VRAM + 1)
			fprintf(mf, "VRAM Bank #%d:\n", bank - BANK_VRAM);
		else if (bank == BANK_OAM)
			fprintf(mf, "OAM:\n");
		else if (bank < MAXBANKS)
			fprintf(mf, "SRAM Bank #%d:\n", bank - BANK_SRAM);
	}
	if (sf) {
		if (bank < BANK_WRAM0)
			sfbank = bank;
		else if (bank == BANK_WRAM0)
			sfbank = 0;
		else if (bank < BANK_VRAM)
			sfbank = bank - BANK_WRAMX + 1;
		else if (bank == BANK_HRAM)
			sfbank = 0;
		else if (bank == BANK_VRAM || bank == BANK_VRAM + 1)
			sfbank = bank - BANK_VRAM;
		else if (bank == BANK_OAM)
			sfbank = 0;
		else if (bank < MAXBANKS)
			sfbank = bank - BANK_SRAM;
		else
			sfbank = 0;
	}
}

void MapfileWriteSection(const struct sSection *pSect)
{
	int32_t i;

	if (mf) {
		if (pSect->nByteSize > 0) {
			fprintf(mf, "  SECTION: $%04X-$%04X ($%04X bytes) [\"%s\"]\n",
				pSect->nOrg, pSect->nOrg + pSect->nByteSize - 1,
				pSect->nByteSize, pSect->pzName);
		} else {
			fprintf(mf, "  SECTION: $%04X ($0 bytes) [\"%s\"]\n",
				pSect->nOrg, pSect->pzName);
		}
	}

	for (i = 0; i < pSect->nNumberOfSymbols; i += 1) {
		const struct sSymbol *pSym = pSect->tSymbols[i];

		if ((pSym->pSection == pSect) && (pSym->Type != SYM_IMPORT)) {
			if (mf) {
				fprintf(mf, "           $%04X = %s\n",
					pSym->nOffset + pSect->nOrg,
					pSym->pzName);
			}
			if (sf) {
				fprintf(sf, "%02X:%04X %s\n", sfbank,
					pSym->nOffset + pSect->nOrg,
					pSym->pzName);
			}
		}
	}
}

void MapfileCloseBank(int32_t slack)
{
	if (!mf)
		return;

	if (slack == MaxAvail[currentbank])
		fprintf(mf, "  EMPTY\n\n");
	else
		fprintf(mf, "    SLACK: $%04X bytes\n\n", slack);
}