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Support static snapshots. (#2239)

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Unlike normal snapshots, no part of a static snapshot is loaded into
the RAM when executed from ROM. Static snapshots rely heavily on
external magic strings.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-03-19 23:46:52 +01:00
committed by yichoi
parent dde09cc4b6
commit bb84466fcf
17 changed files with 850 additions and 166 deletions
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jerry-core/ecma/base/ecma-globals.h
+40 -14
View File
@@ -797,6 +797,33 @@ typedef struct
ecma_built_in_props_t built_in; /**< built-in object part */
} ecma_extended_built_in_object_t;
/**
* Compiled byte code data.
*/
typedef struct
{
uint16_t size; /**< real size >> JMEM_ALIGNMENT_LOG */
uint16_t refs; /**< reference counter for the byte code */
uint16_t status_flags; /**< various status flags:
* CBC_CODE_FLAGS_FUNCTION flag tells whether
* the byte code is function or regular expression.
* If function, the other flags must be CBC_CODE_FLAGS...
* If regexp, the other flags must be RE_FLAG... */
} ecma_compiled_code_t;
#ifdef JERRY_ENABLE_SNAPSHOT_EXEC
/**
* Description of static function objects.
*/
typedef struct
{
ecma_extended_object_t header;
const ecma_compiled_code_t *bytecode_p;
} ecma_static_function_t;
#endif /* JERRY_ENABLE_SNAPSHOT_EXEC */
#ifndef CONFIG_DISABLE_ES2015_ARROW_FUNCTION
/**
@@ -810,6 +837,19 @@ typedef struct
jmem_cpointer_t bytecode_cp; /**< function byte code */
} ecma_arrow_function_t;
#ifdef JERRY_ENABLE_SNAPSHOT_EXEC
/**
* Description of static arrow function objects.
*/
typedef struct
{
ecma_arrow_function_t header;
const ecma_compiled_code_t *bytecode_p;
} ecma_static_arrow_function_t;
#endif /* JERRY_ENABLE_SNAPSHOT_EXEC */
#endif /* !CONFIG_DISABLE_ES2015_ARROW_FUNCTION */
/**
@@ -1276,20 +1316,6 @@ typedef struct
ecma_value_t value; /**< referenced value */
} ecma_error_reference_t;
/**
* Compiled byte code data.
*/
typedef struct
{
uint16_t size; /**< real size >> JMEM_ALIGNMENT_LOG */
uint16_t refs; /**< reference counter for the byte code */
uint16_t status_flags; /**< various status flags:
* CBC_CODE_FLAGS_FUNCTION flag tells whether
* the byte code is function or regular expression.
* If function, the other flags must be CBC_CODE_FLAGS...
* If regexp, the other flags must be RE_FLAG... */
} ecma_compiled_code_t;
#ifndef CONFIG_ECMA_PROPERTY_HASHMAP_DISABLE
/**