1 files changed, 40 insertions, 0 deletions
diff --git a/builtin.c b/builtin.c
new file mode 100644
index 0000000000..44471f01e8
--- /dev/null
+++ b/builtin.c
@@ -0,0 +1,40 @@
+#include "internal.h"
+#include "vm_core.h"
+#include "iseq.h"
+#include "builtin.h"
+
+#include "builtin_binary.inc"
+
+static const unsigned char*
+builtin_lookup(const char *feature, size_t *psize)
+{
+    for (int i=0; i<BUILTIN_BINARY_SIZE; i++) {
+        if (strcmp(builtin_binary[i].feature, feature) == 0) {
+            *psize = builtin_binary[i].bin_size;
+            return builtin_binary[i].bin;
+        }
+    }
+    rb_bug("builtin_lookup: can not find %s\n", feature);
+}
+
+void
+rb_load_with_builtin_functions(const char *feature_name, const char *fname, const struct rb_builtin_function *table)
+{
+    // search binary
+    size_t size;
+    const unsigned char *bin = builtin_lookup(feature_name, &size);
+
+    // load binary
+    GET_VM()->builtin_function_table = table;
+    const rb_iseq_t *iseq = rb_iseq_ibf_load_cstr((const char *)bin, size);
+    GET_VM()->builtin_function_table = NULL;
+
+    // exec
+    rb_iseq_eval(iseq);
+}
+
+void
+Init_builtin(void)
+{
+    //
+}