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Generational mark and sweep GC.

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This commit is contained in:
Ruben Ayrapetyan
2014-08-07 14:54:32 +04:00
parent ba6713e295
commit e3cd8ee942
15 changed files with 475 additions and 180 deletions
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src/libecmaobjects/ecma-alloc.c
+22 -7
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@@ -40,7 +40,10 @@
JERRY_STATIC_ASSERT( sizeof (ecma_value_t) <= sizeof (uint16_t) );
JERRY_STATIC_ASSERT( sizeof (ecma_property_t) <= sizeof (uint64_t) );
JERRY_STATIC_ASSERT( sizeof (ecma_object_t) <= sizeof (uint64_t) );
FIXME( Pack ecma_object_t )
JERRY_STATIC_ASSERT( sizeof (ecma_object_t) <= 2 * sizeof (uint64_t) );
JERRY_STATIC_ASSERT( sizeof (ecma_array_header_t) <= sizeof (uint32_t) );
JERRY_STATIC_ASSERT( sizeof (ecma_array_first_chunk_t) == ECMA_ARRAY_CHUNK_SIZE_IN_BYTES );
JERRY_STATIC_ASSERT( sizeof (ecma_array_non_first_chunk_t) == ECMA_ARRAY_CHUNK_SIZE_IN_BYTES );
@@ -54,13 +57,25 @@ JERRY_STATIC_ASSERT( sizeof (ecma_completion_value_t) == sizeof(uint32_t) );
#define ALLOC( ecma_type) ecma_ ## ecma_type ## _t * \
ecma_alloc_ ## ecma_type (void) \
{ \
ecma_ ## ecma_type ## _t *p ## ecma_type = (ecma_ ## ecma_type ## _t *) \
ecma_ ## ecma_type ## _t *p ## ecma_type = (ecma_ ## ecma_type ## _t *) \
mem_pools_alloc( mem_size_to_pool_chunk_type( sizeof(ecma_ ## ecma_type ## _t))); \
\
if ( likely( p ## ecma_type != NULL ) ) \
{ \
return p ## ecma_type; \
} \
\
ecma_gc_run( ECMA_GC_GEN_0 ); \
\
p ## ecma_type = (ecma_ ## ecma_type ## _t *) \
mem_pools_alloc( mem_size_to_pool_chunk_type( sizeof(ecma_ ## ecma_type ## _t))); \
\
ecma_gc_run(); \
JERRY_ASSERT( p ## ecma_type != NULL ); \
\
return p ## ecma_type; \
\
if ( likely( p ## ecma_type != NULL ) ) \
{ \
return p ## ecma_type; \
} \
\
JERRY_UNREACHABLE(); \
}
/**