Adapt generator interceptor to tail call VM

Signed-off-by: Bob Weinand <[email protected]>

Author: bwoebi

zend_abstract_interface/interceptor/php8/interceptor.c

@@ -778,6 +778,15 @@ static int ZEND_FASTCALL zai_interceptor_handle_created_generator_call(void) {
     return 0 /* ZEND_VM_CONTINUE */;
 }
 
+#if PHP_VERSION_ID >= 80500
+static const zend_op *ZEND_FASTCALL zai_interceptor_handle_created_generator_tailcall(struct _zend_execute_data *execute_data, const struct _zend_op *opline) {
+    (void)execute_data;
+    (void)opline;
+    zai_interceptor_handle_created_generator_func();
+    return &zai_interceptor_generator_post_op[2] /* ZEND_VM_CONTINUE */;
+}
+#endif
+
 static zend_object *(*generator_create_prev)(zend_class_entry *class_type);
 static zend_object *zai_interceptor_generator_create(zend_class_entry *class_type) {
     zend_generator *generator = (zend_generator *)generator_create_prev(class_type);
@@ -1012,12 +1021,20 @@ void zai_interceptor_startup(void) {
 
     zai_interceptor_generator_post_op[0] = zai_interceptor_generator_post_op_template;
     zai_interceptor_generator_post_op[1] = zai_interceptor_generator_post_op_template;
-#ifdef __GNUC__
     int kind = zend_vm_kind();
-    zai_interceptor_generator_post_op[1].handler = kind == ZEND_VM_KIND_HYBRID || kind == ZEND_VM_KIND_GOTO ? zai_interceptor_handle_created_generator_goto() : (void*)zai_interceptor_handle_created_generator_call;
-#else
-    zai_interceptor_generator_post_op[1].handler = (void *)zai_interceptor_handle_created_generator_call;
+#ifdef __GNUC__
+    if (kind == ZEND_VM_KIND_HYBRID || kind == ZEND_VM_KIND_GOTO) {
+        zai_interceptor_generator_post_op[1].handler = zai_interceptor_handle_created_generator_goto();
+    } else
 #endif
+#if PHP_VERSION_ID >= 80500
+    if (kind == ZEND_VM_KIND_CALL) {
+        zai_interceptor_generator_post_op[1].handler = zai_interceptor_handle_created_generator_tailcall;
+    } else
+#endif
+    {
+        zai_interceptor_generator_post_op[1].handler = (void *)zai_interceptor_handle_created_generator_call;
+    }
     // Note: return handler without SPEC(OBSERVER) (will be the case as before post_startup zend_observer_fcall_op_array_extension won't be set yet)
     zai_interceptor_generator_post_op[2] = zai_interceptor_generator_post_op_template;
     zend_vm_set_opcode_handler(&zai_interceptor_generator_post_op[2]);