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Improve garbage collection of scripts and modules (#4722)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-07-26 14:03:43 +02:00
committed by GitHub
parent d4178ae386
commit d69fe41085
2 changed files with 97 additions and 31 deletions
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jerry-core/ecma/base/ecma-gc.c
+41 -14
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@@ -417,6 +417,30 @@ ecma_gc_mark_properties (ecma_object_t *object_p, /**< object */
}
} /* ecma_gc_mark_properties */
/**
* Mark compiled code.
*/
static void
ecma_gc_mark_compiled_code (const ecma_compiled_code_t *compiled_code_p) /**< compiled code */
{
JERRY_ASSERT (!(compiled_code_p->status_flags & CBC_CODE_FLAGS_STATIC_FUNCTION));
ecma_value_t script_value = ((cbc_uint8_arguments_t *) compiled_code_p)->script_value;
cbc_script_t *script_p = ECMA_GET_INTERNAL_VALUE_POINTER (cbc_script_t, script_value);
if (CBC_SCRIPT_GET_TYPE (script_p) == CBC_SCRIPT_USER_OBJECT)
{
cbc_script_user_t *script_user_p = (cbc_script_user_t *) script_p;
JERRY_ASSERT (ecma_is_value_object (script_user_p->user_value));
ecma_gc_set_object_visited (ecma_get_object_from_value (script_user_p->user_value));
}
#if JERRY_BUILTIN_REALMS
ecma_gc_set_object_visited (script_p->realm_p);
#endif /* JERRY_BUILTIN_REALMS */
} /* ecma_gc_mark_compiled_code */
/**
* Mark objects referenced by bound function object.
*/
@@ -871,6 +895,16 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
ecma_gc_mark_arguments_object (ext_object_p);
break;
}
#if JERRY_PARSER
case ECMA_OBJECT_CLASS_SCRIPT:
{
const ecma_compiled_code_t *compiled_code_p;
compiled_code_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_compiled_code_t,
ext_object_p->u.cls.u3.value);
ecma_gc_mark_compiled_code (compiled_code_p);
break;
}
#endif /* JERRY_PARSER */
#if JERRY_BUILTIN_TYPEDARRAY
case ECMA_OBJECT_CLASS_TYPEDARRAY:
{
@@ -903,6 +937,12 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
ecma_gc_set_object_visited (((ecma_module_t *) ext_object_p)->namespace_object_p);
}
if (!(module_p->header.u.cls.u2.module_flags & ECMA_MODULE_IS_NATIVE)
&& module_p->u.compiled_code_p != NULL)
{
ecma_gc_mark_compiled_code (module_p->u.compiled_code_p);
}
ecma_module_node_t *node_p = module_p->imports_p;
while (node_p != NULL)
@@ -1095,20 +1135,7 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
}
#endif /* JERRY_SNAPSHOT_EXEC */
ecma_value_t script_value = ((cbc_uint8_arguments_t *) byte_code_p)->script_value;
cbc_script_t *script_p = ECMA_GET_INTERNAL_VALUE_POINTER (cbc_script_t, script_value);
if (CBC_SCRIPT_GET_TYPE (script_p) == CBC_SCRIPT_USER_OBJECT)
{
cbc_script_user_t *script_user_p = (cbc_script_user_t *) script_p;
JERRY_ASSERT (ecma_is_value_object (script_user_p->user_value));
ecma_gc_set_object_visited (ecma_get_object_from_value (script_user_p->user_value));
}
#if JERRY_BUILTIN_REALMS
ecma_gc_set_object_visited (script_p->realm_p);
#endif /* JERRY_BUILTIN_REALMS */
ecma_gc_mark_compiled_code (byte_code_p);
break;
}
#if JERRY_ESNEXT || JERRY_BUILTIN_REALMS