--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwdisasm/symbol.c	Mon Aug 02 18:07:04 2010 -0600
@@ -0,0 +1,93 @@
+/*
+symbol.c
+
+Copyright © 2010 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS 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/>.
+*/
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <lw_alloc.h>
+#include <lw_string.h>
+
+#include "lwdisasm.h"
+
+symbol_t *find_symbol(disasmstate_t *as, int addr, int section)
+{
+	symbol_t *s;
+	
+	for (s = as -> symbols; s; s = s -> next)
+	{
+		if (s -> address == addr && s -> section == section)
+			return s;
+	}
+	return NULL;
+}
+
+symbol_t *register_symbol(disasmstate_t *as, int addr, int section, char *symbol)
+{
+	char symbuf[200];
+	symbol_t *s;
+
+	for (s = as -> symbols; s; s = s -> next)
+	{
+		if (s -> address == addr && s -> section == section)
+			return s;
+	}
+	
+	if (!symbol)
+	{
+		if (section)
+		{
+			sprintf(symbuf, "L%d_%04X", section, addr);
+		}
+		else
+		{
+			sprintf(symbuf, "L%04X", addr);
+		}
+		symbol = symbuf;
+	}
+	
+	s = lw_alloc(sizeof(symbol_t));
+	s -> symbol = lw_strdup(symbol);
+	s -> address = addr;
+	s -> section = section;
+	s -> next = as -> symbols;
+	as -> symbols = s;
+	return s;
+}
+
+void attach_symbols(disasmstate_t *as)
+{
+	symbol_t *s;
+	linedata_t *l;
+	
+	for (s = as -> symbols; s; s = s -> next)
+	{
+		for (l = as -> lhead; l; l = l -> next)
+		{
+			if (l -> isref == 0 && l -> address == s -> address && l -> sectionref == s -> section)
+			{
+				l -> symbol = s;
+				l -> isref = 1;
+				break;
+			}
+		}
+	}
+}