Add support for prefix labels

1 files changed, 11 insertions, 11 deletions

diff --git a/tpu.c b/tpu.c
index 9fb87c3..caa6730 100644
--- a/tpu.c
+++ b/tpu.c
@@ -63,8 +63,7 @@ djb_hash(const char *str)
 void
 label_map_init(struct label_map *map)
 {
-	memset(map->labels, 0, sizeof(char *) * TPU_MAX_INST_CNT);
-	memset(map->buckets, 0, sizeof(void *) * LABEL_MAP_BUCKETS);
+	memset(map, 0, sizeof(struct label_map));
 }
 
 void
@@ -77,11 +76,13 @@ label_map_deinit(struct label_map *map)
 		link = map->buckets[i];
 		while (link) {
 			next = link->next;
-			free(link->label);
 			free(link);
 			link = next;
 		}
 	}
+
+	for (i = 0; i < TPU_MAX_INST_CNT; i++)
+		free(map->labels[i].str);
 }
 
 static struct label_map_link **
@@ -90,31 +91,30 @@ label_map_link_pos(struct label_map *map, const char *name)
 	struct label_map_link **link;
 
 	link = &map->buckets[djb_hash(name) % LABEL_MAP_BUCKETS];
-	while (*link && strcasecmp((*link)->label, name))
+	while (*link && strcasecmp(map->labels[(*link)->pc].str, name))
 		link = &(*link)->next;
 
 	return link;
 }
 
 bool
-label_map_add(struct label_map *map, const char *name, int pc)
+label_map_add(struct label_map *map, const char *name, int pc, bool prefix)
 {
 	struct label_map_link **pos, *link;
 
 	pos = label_map_link_pos(map, name);
 	if (*pos) return false;
 
-	if (map->labels[pc]) return false;
+	if (map->labels[pc].str) return false;
+	map->labels[pc].str = strdup(name);
+	if (!map->labels[pc].str) die("strdup:");
+	map->labels[pc].prefix = prefix;
 
 	*pos = link = malloc(sizeof(struct label_map_link));
 	if (!link) die("malloc:");
-	link->label = strdup(name);
-	if (!link->label) die("strdup:");
 	link->pc = pc;
 	link->next = NULL;
 
-	map->labels[pc] = link->label;
-
 	return true;
 }
 
@@ -217,7 +217,7 @@ tpu_init(struct tpu *tpu)
 	tpu->acc = 0;
 	tpu->bak = 0;
 	tpu->inst_cnt = 0;
-	tpu->label_cnt = 0;
+	tpu->rows = 0;
 	label_map_init(&tpu->label_map);
 
 	tpu->last = -1;