Add GC_DTOR/GC_DTOR_NO_REF macros

Author: iluuu1994

Zend/zend_execute.c

@@ -3281,11 +3281,7 @@ static zend_always_inline void zend_assign_to_property_reference(zval *container
 		ZVAL_COPY(EX_VAR(opline->result.var), variable_ptr);
 	}
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root(garbage);
-		}
+		GC_DTOR(garbage);
 	}
 }
 
@@ -3581,11 +3577,7 @@ static zend_always_inline void i_zval_ptr_dtor_noref(zval *zval_ptr) {
 	if (Z_REFCOUNTED_P(zval_ptr)) {
 		zend_refcounted *ref = Z_COUNTED_P(zval_ptr);
 		ZEND_ASSERT(Z_TYPE_P(zval_ptr) != IS_REFERENCE);
-		if (!GC_DELREF(ref)) {
-			rc_dtor_func(ref);
-		} else if (UNEXPECTED(GC_MAY_LEAK(ref))) {
-			gc_possible_root(ref);
-		}
+		GC_DTOR_NO_REF(ref);
 	}
 }
 
@@ -3629,11 +3621,7 @@ ZEND_API zval* zend_assign_to_typed_ref(zval *variable_ptr, zval *orig_value, ui
 	zend_refcounted *garbage = NULL;
 	zval *result = zend_assign_to_typed_ref_ex(variable_ptr, orig_value, value_type, strict, &garbage);
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root_no_ref(garbage);
-		}
+		GC_DTOR_NO_REF(garbage);
 	}
 	return result;
 }

Zend/zend_execute.h

@@ -169,14 +169,7 @@ static zend_always_inline zval* zend_assign_to_variable(zval *variable_ptr, zval
 			}
 			garbage = Z_COUNTED_P(variable_ptr);
 			zend_copy_to_variable(variable_ptr, value, value_type);
-			if (GC_DELREF(garbage) == 0) {
-				rc_dtor_func(garbage);
-			} else { /* we need to split */
-				/* optimized version of GC_ZVAL_CHECK_POSSIBLE_ROOT(variable_ptr) */
-				if (UNEXPECTED(GC_MAY_LEAK(garbage))) {
-					gc_possible_root(garbage);
-				}
-			}
+			GC_DTOR_NO_REF(garbage);
 			return variable_ptr;
 		}
 	} while (0);

Zend/zend_refcounted.h

@@ -56,6 +56,24 @@
 #define GC_DELREF_EX(p, rc)			zend_gc_delref_ex(&(p)->gc, rc)
 #define GC_TRY_ADDREF(p)			zend_gc_try_addref(&(p)->gc)
 #define GC_TRY_DELREF(p)			zend_gc_try_delref(&(p)->gc)
+#define GC_DTOR(p) \
+	do { \
+		zend_refcounted_h *_p = &(p)->gc; \
+		if (zend_gc_delref(_p) == 0) { \
+			rc_dtor_func((zend_refcounted *)_p); \
+		} else { \
+			gc_check_possible_root((zend_refcounted *)_p); \
+		} \
+	} while (0)
+#define GC_DTOR_NO_REF(p) \
+	do { \
+		zend_refcounted_h *_p = &(p)->gc; \
+		if (zend_gc_delref(_p) == 0) { \
+			rc_dtor_func((zend_refcounted *)_p); \
+		} else { \
+			gc_check_possible_root_no_ref((zend_refcounted *)_p); \
+		} \
+	} while (0)
 
 #define GC_NULL						(IS_NULL         | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
 #define GC_STRING					(IS_STRING       | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))

Zend/zend_vm_def.h

@@ -2500,11 +2500,7 @@ ZEND_VM_C_LABEL(free_and_exit_assign_obj):
 	FREE_OP_DATA();
 ZEND_VM_C_LABEL(exit_assign_obj):
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root_no_ref(garbage);
-		}
+		GC_DTOR_NO_REF(garbage);
 	}
 	FREE_OP2();
 	FREE_OP1();
@@ -2542,11 +2538,7 @@ ZEND_VM_HANDLER(25, ZEND_ASSIGN_STATIC_PROP, ANY, ANY, CACHE_SLOT, SPEC(OP_DATA=
 	}
 
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root_no_ref(garbage);
-		}
+		GC_DTOR_NO_REF(garbage);
 	}
 
 	/* assign_static_prop has two opcodes! */
@@ -2622,11 +2614,7 @@ ZEND_VM_C_LABEL(try_assign_dim_array):
 			ZVAL_COPY(EX_VAR(opline->result.var), value);
 		}
 		if (garbage) {
-			if (GC_DELREF(garbage) == 0) {
-				rc_dtor_func(garbage);
-			} else {
-				gc_check_possible_root_no_ref(garbage);
-			}
+			GC_DTOR_NO_REF(garbage);
 		}
 	} else {
 		if (EXPECTED(Z_ISREF_P(object_ptr))) {
@@ -2728,11 +2716,7 @@ ZEND_VM_HANDLER(22, ZEND_ASSIGN, VAR|CV, CONST|TMP|VAR|CV, SPEC(RETVAL))
 			ZVAL_COPY(EX_VAR(opline->result.var), value);
 		}
 		if (garbage) {
-			if (GC_DELREF(garbage) == 0) {
-				rc_dtor_func(garbage);
-			} else {
-				gc_check_possible_root_no_ref(garbage);
-			}
+			GC_DTOR_NO_REF(garbage);
 		}
 	} else {
 		value = zend_assign_to_variable(variable_ptr, value, OP2_TYPE, EX_USES_STRICT_TYPES());
@@ -2774,11 +2758,7 @@ ZEND_VM_HANDLER(30, ZEND_ASSIGN_REF, VAR|CV, VAR|CV, SRC)
 	}
 
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root(garbage);
-		}
+		GC_DTOR(garbage);
 	}
 
 	FREE_OP2();
@@ -2855,11 +2835,7 @@ ZEND_VM_HANDLER(33, ZEND_ASSIGN_STATIC_PROP_REF, ANY, ANY, CACHE_SLOT|SRC)
 	}
 
 	if (garbage) {
-		if (GC_DELREF(garbage) == 0) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root(garbage);
-		}
+		GC_DTOR(garbage);
 	}
 
 	FREE_OP_DATA();
@@ -6479,11 +6455,7 @@ ZEND_VM_HANDLER(153, ZEND_UNSET_CV, CV, UNUSED)
 
 		ZVAL_UNDEF(var);
 		SAVE_OPLINE();
-		if (!GC_DELREF(garbage)) {
-			rc_dtor_func(garbage);
-		} else {
-			gc_check_possible_root(garbage);
-		}
+		GC_DTOR(garbage);
 		ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTION();
 	} else {
 		ZVAL_UNDEF(var);