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Introducing mem_cpointer_t type for compressed pointers.

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This commit is contained in:
Ruben Ayrapetyan
2015-04-01 16:47:19 +03:00
parent 3da56908aa
commit c81651dbe9
9 changed files with 46 additions and 35 deletions
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jerry-core/ecma/base/ecma-globals.h
+15 -15
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@@ -279,20 +279,20 @@ typedef enum
*/
typedef struct
{
uintptr_t getter_p : ECMA_POINTER_FIELD_WIDTH; /**< pointer to getter object */
uintptr_t setter_p : ECMA_POINTER_FIELD_WIDTH; /**< pointer to setter object */
mem_cpointer_t getter_p : ECMA_POINTER_FIELD_WIDTH; /**< pointer to getter object */
mem_cpointer_t setter_p : ECMA_POINTER_FIELD_WIDTH; /**< pointer to setter object */
} ecma_getter_setter_pointers_t;
/**
* Description of ecma-property
*/
typedef struct ecma_property_t
typedef struct __attr_packed___ ecma_property_t
{
/** Property's type (ecma_property_type_t) */
unsigned int type : 2;
/** Compressed pointer to next property */
unsigned int next_property_p : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t next_property_p : ECMA_POINTER_FIELD_WIDTH;
/** Property's details (depending on Type) */
union
@@ -304,7 +304,7 @@ typedef struct ecma_property_t
ecma_value_t value : ECMA_VALUE_SIZE;
/** Compressed pointer to property's name (pointer to String) */
unsigned int name_p : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t name_p : ECMA_POINTER_FIELD_WIDTH;
/** Flag indicating whether the property is registered in LCache */
unsigned int is_lcached : 1;
@@ -323,7 +323,7 @@ typedef struct ecma_property_t
struct __attr_packed___ ecma_named_accessor_property_t
{
/** Compressed pointer to property's name (pointer to String) */
unsigned int name_p : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t name_p : ECMA_POINTER_FIELD_WIDTH;
/** Attribute 'Enumerable' (ecma_property_enumerable_value_t) */
unsigned int enumerable : 1;
@@ -335,7 +335,7 @@ typedef struct ecma_property_t
unsigned int is_lcached : 1;
/** Compressed pointer to pair of pointers - to property's getter and setter */
unsigned int getter_setter_pair_cp : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t getter_setter_pair_cp : ECMA_POINTER_FIELD_WIDTH;
} named_accessor_property;
/** Description of internal property */
@@ -695,13 +695,13 @@ typedef uint16_t ecma_length_t;
typedef struct
{
/** Compressed pointer to next chunk with collection's data */
uint16_t next_chunk_cp;
mem_cpointer_t next_chunk_cp;
/** Number of elements in the collection */
ecma_length_t unit_number;
/** Place for the collection's data */
uint8_t data[ sizeof (uint64_t) - sizeof (uint32_t) ];
uint8_t data[ sizeof (uint64_t) - sizeof (mem_cpointer_t) - sizeof (ecma_length_t) ];
} ecma_collection_header_t;
/**
@@ -710,10 +710,10 @@ typedef struct
typedef struct
{
/** Compressed pointer to next chunk */
uint16_t next_chunk_cp;
mem_cpointer_t next_chunk_cp;
/** Characters */
uint8_t data[ sizeof (uint64_t) - sizeof (uint16_t) ];
uint8_t data[ sizeof (uint64_t) - sizeof (mem_cpointer_t) ];
} ecma_collection_chunk_t;
/**
@@ -787,10 +787,10 @@ typedef struct ecma_string_t
literal_index_t lit_index;
/** Compressed pointer to an ecma_collection_header_t */
unsigned int collection_cp : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t collection_cp : ECMA_POINTER_FIELD_WIDTH;
/** Compressed pointer to an ecma_number_t */
unsigned int number_cp : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t number_cp : ECMA_POINTER_FIELD_WIDTH;
/** UInt32-represented number placed locally in the descriptor */
uint32_t uint32_number;
@@ -798,8 +798,8 @@ typedef struct ecma_string_t
/** Representation of concatenation */
struct
{
unsigned int string1_cp : ECMA_POINTER_FIELD_WIDTH;
unsigned int string2_cp : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t string1_cp : ECMA_POINTER_FIELD_WIDTH;
mem_cpointer_t string2_cp : ECMA_POINTER_FIELD_WIDTH;
} concatenation;
/** Identifier of magic string */