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Support static snapshots. (#2239)

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Unlike normal snapshots, no part of a static snapshot is loaded into
the RAM when executed from ROM. Static snapshots rely heavily on
external magic strings.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-03-19 23:46:52 +01:00
committed by yichoi
parent dde09cc4b6
commit bb84466fcf
17 changed files with 850 additions and 166 deletions
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jerry-core/ecma/base/ecma-gc.c
+28 -4
View File
@@ -631,10 +631,22 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
/* Function with byte-code (not a built-in function). */
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
#ifdef JERRY_ENABLE_SNAPSHOT_EXEC
if (ext_func_p->u.function.bytecode_cp != ECMA_NULL_POINTER)
{
ecma_bytecode_deref (ECMA_GET_INTERNAL_VALUE_POINTER (ecma_compiled_code_t,
ext_func_p->u.function.bytecode_cp));
ecma_dealloc_extended_object (object_p, sizeof (ecma_extended_object_t));
}
else
{
ecma_dealloc_extended_object (object_p, sizeof (ecma_static_function_t));
}
#else /* !JERRY_ENABLE_SNAPSHOT_EXEC */
ecma_bytecode_deref (ECMA_GET_INTERNAL_VALUE_POINTER (ecma_compiled_code_t,
ext_func_p->u.function.bytecode_cp));
ecma_dealloc_extended_object (object_p, sizeof (ecma_extended_object_t));
#endif /* JERRY_ENABLE_SNAPSHOT_EXEC */
return;
}
@@ -643,12 +655,24 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
{
ecma_arrow_function_t *arrow_func_p = (ecma_arrow_function_t *) object_p;
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t,
arrow_func_p->bytecode_cp));
ecma_free_value_if_not_object (arrow_func_p->this_binding);
#ifdef JERRY_ENABLE_SNAPSHOT_EXEC
if (arrow_func_p->bytecode_cp != ECMA_NULL_POINTER)
{
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t,
arrow_func_p->bytecode_cp));
ecma_dealloc_extended_object (object_p, sizeof (ecma_arrow_function_t));
}
else
{
ecma_dealloc_extended_object (object_p, sizeof (ecma_static_arrow_function_t));
}
#else /* !JERRY_ENABLE_SNAPSHOT_EXEC */
ecma_bytecode_deref (ECMA_GET_NON_NULL_POINTER (ecma_compiled_code_t,
arrow_func_p->bytecode_cp));
ecma_dealloc_extended_object (object_p, sizeof (ecma_arrow_function_t));
#endif /* JERRY_ENABLE_SNAPSHOT_EXEC */
return;
}
#endif /* !CONFIG_DISABLE_ES2015_ARROW_FUNCTION */