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simplified GC

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This commit is contained in:
hyunghwan.chung 2016-02-15 18:13:26 +00:00
parent 9edf849d2a
commit 8f91b7adc3
2 changed files with 17 additions and 14 deletions
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21
stix/lib/gc.c
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@ -221,6 +221,17 @@ static stix_uint8_t* scan_new_heap (stix_t* stix, stix_uint8_t* ptr)
stix_oop_oop_t xtmp; stix_oop_oop_t xtmp;
stix_oow_t size; stix_oow_t size;
#if defined(STIX_USE_PROCSTK)
if (stix->_process && STIX_OBJ_GET_CLASS(oop) == stix->_process)
{
/* the stack in a process object doesn't need to be
* scanned in full. the slots above the stack pointer
* are garbages. */
size = STIX_PROCESS_NAMED_INSTVARS +
STIX_OOP_TO_SMOOI(((stix_oop_process_t)oop)->sp) + 1;
STIX_ASSERT (size <= STIX_OBJ_GET_SIZE(oop));
}
#else
if ((stix->_method_context && STIX_OBJ_GET_CLASS(oop) == stix->_method_context) || if ((stix->_method_context && STIX_OBJ_GET_CLASS(oop) == stix->_method_context) ||
(stix->_block_context && STIX_OBJ_GET_CLASS(oop) == stix->_block_context)) (stix->_block_context && STIX_OBJ_GET_CLASS(oop) == stix->_block_context))
{ {
@ -231,15 +242,7 @@ static stix_uint8_t* scan_new_heap (stix_t* stix, stix_uint8_t* ptr)
STIX_OOP_TO_SMOOI(((stix_oop_context_t)oop)->sp) + 1; STIX_OOP_TO_SMOOI(((stix_oop_context_t)oop)->sp) + 1;
STIX_ASSERT (size <= STIX_OBJ_GET_SIZE(oop)); STIX_ASSERT (size <= STIX_OBJ_GET_SIZE(oop));
} }
else if (stix->_process && STIX_OBJ_GET_CLASS(oop) == stix->_process) #endif
{
/* the stack in a process object doesn't need to be
* scanned in full. the slots above the stack pointer
* are garbages. */
size = STIX_PROCESS_NAMED_INSTVARS +
STIX_OOP_TO_SMOOI(((stix_oop_process_t)oop)->sp) + 1;
STIX_ASSERT (size <= STIX_OBJ_GET_SIZE(oop));
}
else else
{ {
size = STIX_OBJ_GET_SIZE(oop); size = STIX_OBJ_GET_SIZE(oop);

2
stix/lib/stix-prv.h
View File

@ -54,7 +54,7 @@
/* this is for gc debugging */ /* this is for gc debugging */
/*#define STIX_DEBUG_PROCESSOR*/ /*#define STIX_DEBUG_PROCESSOR*/
/*#define STIX_DEBUG_GC_001*/ #define STIX_DEBUG_GC_001
/*#define STIX_DEBUG_GC_002*/ /*#define STIX_DEBUG_GC_002*/
#define STIX_DEBUG_COMP_001 #define STIX_DEBUG_COMP_001
/*#define STIX_DEBUG_COMP_002*/ /*#define STIX_DEBUG_COMP_002*/