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Improve map file output

Print the name of each section along with the size, base and end
addresses. If a section is empty, don't print the end address, as it
can overflow if the base address is 0.

Signed-off-by: AntonioND <[email protected]>

--- a/src/link/mapfile.c

+++ b/src/link/mapfile.c

@@ -96,9 +96,14 @@

 	SLONG i;

 	if (mf) {

-		fprintf(mf, "  SECTION: $%04lX-$%04lX ($%04lX bytes)\n",

-		    pSect->nOrg, pSect->nOrg + pSect->nByteSize - 1,

-		    pSect->nByteSize);

+		if (pSect->nByteSize > 0) {

+			fprintf(mf, "  SECTION: $%04lX-$%04lX ($%04lX bytes) [\"%s\"]\n",

+				pSect->nOrg, pSect->nOrg + pSect->nByteSize - 1,

+				pSect->nByteSize, pSect->pzName);

+		} else {

+			fprintf(mf, "  SECTION: $%04lX ($0 bytes) [\"%s\"]\n",

+				pSect->nOrg, pSect->pzName);

+		}

 	}

 	for (i = 0; i < pSect->nNumberOfSymbols; i += 1) {