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Update bytecode header structure so that bytecode could be stored independently from hash table and bytecode header.

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JerryScript-DCO-1.0-Signed-off-by: Andrey Shitov a.shitov@samsung.com
This commit is contained in:
Andrey Shitov
2015-09-03 18:11:27 +03:00
committed by Ruben Ayrapetyan
parent 6a6fb3fdfa
commit 443673fc5d
22 changed files with 207 additions and 194 deletions
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jerry-core/parser/js/bytecode-data.h
+7 -26
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@@ -17,7 +17,6 @@
#define BYTECODE_DATA_H
#include "opcodes.h"
#include "lit-id-hash-table.h"
#include "mem-allocator.h"
/*
@@ -33,36 +32,18 @@
*
* To map uid to literal id 'lit_id_hash' table is used.
*/
#define BLOCK_SIZE 64
#define BLOCK_SIZE 64u
/**
* Header of byte-code memory region, containing byte-code array and literal identifiers hash table
*/
typedef struct __attribute__ ((aligned (MEM_ALIGNMENT)))
typedef struct __attribute__ ((aligned (MEM_ALIGNMENT))) bytecode_data_header_t
{
vm_instr_t *instrs_p; /**< pointer to the bytecode */
vm_instr_counter_t instrs_count; /**< number of instructions in the byte-code array */
mem_cpointer_t lit_id_hash_cp; /**< pointer to literal identifiers hash table
* See also: lit_id_hash_table_init */
mem_cpointer_t next_instrs_cp; /**< pointer to next byte-code memory region */
vm_instr_counter_t instructions_number; /**< number of instructions in the byte-code array */
} insts_data_header_t;
mem_cpointer_t next_header_cp; /**< pointer to next instructions data header */
} bytecode_data_header_t;
typedef struct
{
const ecma_char_t *strings_buffer;
const vm_instr_t *instrs_p;
vm_instr_counter_t instrs_count;
} bytecode_data_t;
/**
* Macros to get a pointer to bytecode header by pointer to instructions array start
*/
#define GET_BYTECODE_HEADER(instrs) ((insts_data_header_t *) (((uint8_t *) (instrs)) - sizeof (insts_data_header_t)))
/**
* Macros to get a hash table corresponding to a bytecode region
*/
#define GET_HASH_TABLE_FOR_BYTECODE(instrs) (MEM_CP_GET_POINTER (lit_id_hash_table, \
GET_BYTECODE_HEADER (instrs)->lit_id_hash_cp))
#endif // BYTECODE_DATA_H
#endif /* BYTECODE_DATA_H */