fix root push and pop issue; make shared library for examples

1 files changed, 12 insertions, 3 deletions

diff --git a/cheney_c89.c b/cheney_c89.c
index 25b248f..abdbb76 100644
--- a/cheney_c89.c
+++ b/cheney_c89.c
@@ -14,6 +14,7 @@
  * License along with this program. If not, see
  * <https://www.gnu.org/licenses/>.
 */
+#include <stdio.h>
 
 #include <stdlib.h>
 #include <limits.h>
@@ -53,6 +54,11 @@ static void *raw_alloc(struct ctx *ctx, size_t len, int is_record)
 {
 	unsigned char *p;
 
+/*
+	printf("%lu (%ld)\n", (unsigned long)(len + sizeof(struct uns_c89_relo_hdr)),
+                              (long)(ctx->tospace_end - ctx->tospace_alloc));
+*/
+	assert(ctx->tospace_alloc + sizeof(struct uns_c89_relo_hdr) + len <= ctx->tospace_end);
 	p = uns_c89_relo_init(ctx->tospace_alloc, len, is_record);
 	ctx->tospace_alloc = p + len;
 
@@ -89,8 +95,8 @@ static void scan_record(struct uns_gc *gc, unsigned char *p)
 	void *newp;
 
 	for (i = 0; i < l; i++) {
-		newp = relocate(gc, uns_c89_relo_record_get(p, i));
-		uns_c89_relo_record_set(p, i, newp);
+		newp = relocate(gc, uns_c89_relo_record_get((void *)p, i));
+		uns_c89_relo_record_set((void *)p, i, newp);
 	}
 }
 
@@ -118,6 +124,9 @@ int uns_cheney_c89_collect(struct uns_gc *gc)
 
 	/* Setup statistics */
 	gc->before_collection = fromspace_lim - fromspace;
+/*
+	printf("before: %ld\n", gc->before_collection);
+*/
 	gc->after_collection = 0;
 	gc->collection_number += 1;
 
@@ -170,7 +179,7 @@ void *uns_cheney_c89_alloc_record(struct uns_gc *gc, size_t records)
 	unsigned char *res = alloc(gc, records*sizeof(void *), 1);
 
 	for (i = 0; i < records; i++)
-		uns_c89_relo_record_set(res, i, NULL);
+		uns_c89_relo_record_set((void *)res, i, NULL);
 
 	return res;
 }