YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add allocate/free callbacks to ArrayBuffers (#4801)

Browse Source 
Larger buffer allocations will throw error instead of calling jerry_fatal.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-10-28 13:51:34 +02:00
committed by GitHub
parent d2388e907f
commit a024eb2118
19 changed files with 1365 additions and 716 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/base/ecma-gc.c
+10 -16
View File
@@ -19,6 +19,7 @@
#include "ecma-alloc.h"
#include "ecma-array-object.h"
#include "ecma-arraybuffer-object.h"
#include "ecma-builtin-handlers.h"
#include "ecma-container-object.h"
#include "ecma-function-object.h"
@@ -1854,25 +1855,18 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
case ECMA_OBJECT_CLASS_SHARED_ARRAY_BUFFER:
#endif /* JERRY_BUILTIN_SHAREDARRAYBUFFER */
{
uint32_t arraybuffer_length = ext_object_p->u.cls.u3.length;
if (ECMA_ARRAYBUFFER_HAS_EXTERNAL_MEMORY (ext_object_p))
if (!(ECMA_ARRAYBUFFER_GET_FLAGS (ext_object_p) & ECMA_ARRAYBUFFER_HAS_POINTER))
{
ext_object_size = sizeof (ecma_arraybuffer_external_info);
/* Call external free callback if any. */
ecma_arraybuffer_external_info *array_p = (ecma_arraybuffer_external_info *) ext_object_p;
if (array_p->free_cb != NULL)
{
array_p->free_cb (array_p->buffer_p);
}
}
else
{
ext_object_size += arraybuffer_length;
ext_object_size += ext_object_p->u.cls.u3.length;
break;
}
ext_object_size = sizeof (ecma_arraybuffer_pointer_t);
if (ECMA_ARRAYBUFFER_GET_FLAGS (ext_object_p) & ECMA_ARRAYBUFFER_ALLOCATED)
{
ecma_arraybuffer_release_buffer (object_p);
}
break;
}
#endif /* JERRY_BUILTIN_TYPEDARRAY */