--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/old-trunk/lwlink/map.c	Fri Mar 19 02:54:14 2010 +0000
@@ -0,0 +1,115 @@
+/*
+map.c
+Copyright © 2009 William Astle
+
+This file is part of LWLINK.
+
+LWLINK is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+
+
+Output information about the linking process
+*/
+
+#include <config.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "lwlink.h"
+#include "util.h"
+
+struct symliste
+{
+	char *name;
+	char *fn;
+	int addr;
+	int ext;
+	struct symliste *next;
+};
+
+void display_map(void)
+{
+	FILE *of;
+	int sn;
+	int std = 0;
+	struct symliste *slist = NULL;
+	struct symliste *ce, *pe, *ne;
+	symtab_t *sym;
+	int i;
+	
+	if (!strcmp(map_file, "-"))
+	{
+		std = 1;
+		of = stdout;
+	}
+	else
+	{
+		of = fopen(map_file, "w");
+		if (!of)
+		{
+			fprintf(stderr, "Cannot open map file - using stdout\n");
+			std = 1;
+			of = stdout;
+		}
+	}
+
+	// display section list
+	for (sn = 0; sn < nsects; sn++)
+	{
+		fprintf(of, "Section: %s (%s) load at %04X, length %04X\n",
+				sectlist[sn].ptr -> name,
+				sectlist[sn].ptr -> file -> filename,
+				sectlist[sn].ptr -> loadaddress,
+				sectlist[sn].ptr -> codesize
+			);
+	}
+
+	// generate a sorted list of symbols and display it
+	for (sn = 0; sn < nsects; sn++)
+	{
+		for (sym = sectlist[sn].ptr -> localsyms; sym; sym = sym -> next)
+		{
+			for (pe = NULL, ce = slist; ce; ce = ce -> next)
+			{
+				i = strcmp(ce -> name, sym -> sym);
+				if (i == 0)
+				{
+					i = strcmp(ce -> fn, sectlist[sn].ptr -> file -> filename);
+				}
+				if (i > 0)
+					break;
+				pe = ce;
+			}
+			ne = lw_malloc(sizeof(struct symliste));
+			ne -> ext = 0;
+			ne -> addr = sym -> offset + sectlist[sn].ptr -> loadaddress;
+			ne -> next = ce;
+			ne -> name = sym -> sym;
+			ne -> fn = sectlist[sn].ptr -> file -> filename;
+			if (pe)
+				pe -> next = ne;
+			else
+				slist = ne;
+		}
+	}
+	
+	for (ce = slist; ce; ce = ce -> next)
+	{
+		fprintf(of, "Symbol: %s (%s) = %04X\n", ce -> name, ce -> fn, ce -> addr);
+	}
+
+	if (!std)
+		fclose(of);
+}