add batched reg access

bindings/go/unicorn/uc.c

@@ -0,0 +1,23 @@
+#include <stdlib.h>
+#include <unicorn/unicorn.h>
+#include "_cgo_export.h"
+
+uc_err uc_reg_read_batch_helper(uc_engine *handle, int *regs, uint64_t *val_out, int count) {
+    void **val_ref = malloc(sizeof(void *) * count);
+    for (int i = 0; i < count; i++) {
+        val_ref[i] = (void *)&val_out[i];
+    }
+    uc_err ret = uc_reg_read_batch(handle, regs, val_ref, count);
+    free(val_ref);
+    return ret;
+}
+
+uc_err uc_reg_write_batch_helper(uc_engine *handle, int *regs, uint64_t *val_in, int count) {
+    const void **val_ref = malloc(sizeof(void *) * count);
+    for (int i = 0; i < count; i++) {
+        val_ref[i] = (void *)&val_in[i];
+    }
+    uc_err ret = uc_reg_write_batch(handle, regs, val_ref, count);
+    free(val_ref);
+    return ret;
+}