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Reduce the size of the jerry_context_t structure (#2981)

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This patch substitutes several global pointer with compressed pointers to reduce the size of the structure.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-08-06 13:18:44 +02:00
committed by GitHub
parent 14a9a1a1f0
commit dec9dbc926
5 changed files with 31 additions and 40 deletions
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jerry-core/ecma/base/ecma-gc.c
+5 -17
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@@ -67,18 +67,6 @@ ecma_gc_get_object_next (ecma_object_t *object_p) /**< object */
return ECMA_GET_POINTER (ecma_object_t, object_p->gc_next_cp);
} /* ecma_gc_get_object_next */
/**
* Set next object in list of objects with same generation.
*/
static inline void
ecma_gc_set_object_next (ecma_object_t *object_p, /**< object */
ecma_object_t *next_object_p) /**< next object */
{
JERRY_ASSERT (object_p != NULL);
ECMA_SET_POINTER (object_p->gc_next_cp, next_object_p);
} /* ecma_gc_set_object_next */
/**
* Get visited flag of the object.
*
@@ -120,8 +108,8 @@ ecma_init_gc_info (ecma_object_t *object_p) /**< object */
JERRY_ASSERT (object_p->type_flags_refs < ECMA_OBJECT_REF_ONE);
object_p->type_flags_refs = (uint16_t) (object_p->type_flags_refs | ECMA_OBJECT_REF_ONE);
ecma_gc_set_object_next (object_p, JERRY_CONTEXT (ecma_gc_objects_p));
JERRY_CONTEXT (ecma_gc_objects_p) = object_p;
object_p->gc_next_cp = JERRY_CONTEXT (ecma_gc_objects_cp);
ECMA_SET_NON_NULL_POINTER (JERRY_CONTEXT (ecma_gc_objects_cp), object_p);
} /* ecma_init_gc_info */
/**
@@ -908,7 +896,7 @@ ecma_gc_run (void)
JERRY_CONTEXT (ecma_gc_new_objects) = 0;
ecma_object_t white_gray_list_head;
ecma_gc_set_object_next (&white_gray_list_head, JERRY_CONTEXT (ecma_gc_objects_p));
white_gray_list_head.gc_next_cp = JERRY_CONTEXT (ecma_gc_objects_cp);
jmem_cpointer_t black_objects_cp = JMEM_CP_NULL;
ecma_object_t *obj_prev_p = &white_gray_list_head;
@@ -1004,7 +992,7 @@ ecma_gc_run (void)
/* Reset the reference counter of non-root black objects. */
obj_iter_p = JMEM_CP_GET_POINTER (ecma_object_t, black_objects_cp);
JERRY_CONTEXT (ecma_gc_objects_p) = obj_iter_p;
JERRY_CONTEXT (ecma_gc_objects_cp) = black_objects_cp;
while (obj_iter_p != first_root_object_p)
{
@@ -1078,7 +1066,7 @@ ecma_free_unused_memory (jmem_pressure_t pressure) /**< current pressure */
ecma_gc_run ();
/* Free hashmaps of remaining objects. */
ecma_object_t *obj_iter_p = JERRY_CONTEXT (ecma_gc_objects_p);
ecma_object_t *obj_iter_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, JERRY_CONTEXT (ecma_gc_objects_cp));
while (obj_iter_p != NULL)
{
if (!ecma_is_lexical_environment (obj_iter_p)