new API uc_mem_regions() to retrieve the list of memory regions mapped by uc_mem_map_*()

uc.c

@@ -1138,3 +1138,31 @@ uc_err uc_hook_del(uc_engine *uc, uc_hook hh)
 {
     return hook_del(uc, hh);
 }
+
+UNICORN_EXPORT
+uint32_t uc_mem_regions(uc_engine *uc, uc_mem_region **regions, uint32_t *count)
+{
+    uint32_t i;
+    uc_mem_region *r = NULL;
+
+    *count = uc->mapped_block_count;
+
+    if (*count) {
+        r = malloc(*count * sizeof(uc_mem_region));
+        if (r == NULL) {
+            // out of memory
+            return UC_ERR_NOMEM;
+        }
+    }
+
+    for (i = 0; i < *count; i++) {
+        r[i].begin = uc->mapped_blocks[i]->addr;
+        r[i].end = uc->mapped_blocks[i]->end - 1;
+        r[i].perms = uc->mapped_blocks[i]->perms;
+    }
+
+    *regions = r;
+
+    return UC_ERR_OK;
+}
+