New Allocator and improved String handling.

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

Author: dbatyai

CMakeLists.txt

@@ -222,6 +222,9 @@ project (Jerry CXX C ASM)
 
 # Compiler / Linker flags
  set(COMPILE_FLAGS_JERRY "-fno-builtin")
+ if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
+   set(COMPILE_FLAGS_JERRY "${COMPILE_FLAGS_JERRY} -DMEM_HEAP_PTR_64")
+ endif()
  if(NOT ("${PLATFORM}" STREQUAL "DARWIN"))
   set(LINKER_FLAGS_COMMON "-Wl,-z,noexecstack")
  endif()

jerry-core/config.h

@@ -42,15 +42,15 @@
  * Size of heap
  */
 #ifndef CONFIG_MEM_HEAP_AREA_SIZE
-# define CONFIG_MEM_HEAP_AREA_SIZE (256 * 1024)
-#elif CONFIG_MEM_HEAP_AREA_SIZE > (256 * 1024)
-# error "Currently, maximum 256 kilobytes heap size is supported"
+# define CONFIG_MEM_HEAP_AREA_SIZE (512 * 1024)
+#elif CONFIG_MEM_HEAP_AREA_SIZE > (512 * 1024)
+# error "Currently, maximum 512 kilobytes heap size is supported"
 #endif /* !CONFIG_MEM_HEAP_AREA_SIZE */
 
 /**
  * Desired limit of heap usage
  */
-#define CONFIG_MEM_HEAP_DESIRED_LIMIT (CONFIG_MEM_HEAP_AREA_SIZE / 32)
+#define CONFIG_MEM_HEAP_DESIRED_LIMIT (JERRY_MIN(CONFIG_MEM_HEAP_AREA_SIZE / 32, 8192))
 
 /**
  * Log2 of maximum possible offset in the heap
@@ -62,7 +62,7 @@
  *
  * On the other hand, value 2 ^ CONFIG_MEM_HEAP_OFFSET_LOG should not be less than CONFIG_MEM_HEAP_AREA_SIZE.
  */
-#define CONFIG_MEM_HEAP_OFFSET_LOG (18)
+#define CONFIG_MEM_HEAP_OFFSET_LOG (19)
 
 /**
  * Number of lower bits in key of literal hash table.
@@ -80,7 +80,7 @@
  * Also the option affects size of ECMA Object Model's data types.
  * In any case size of any of the types should not exceed CONFIG_MEM_POOL_CHUNK_SIZE.
  */
-#define CONFIG_ECMA_REFERENCE_COUNTER_WIDTH (10)
+#define CONFIG_ECMA_REFERENCE_COUNTER_WIDTH (9)
 
 /**
  * Maximum length of strings' concatenation

jerry-core/ecma/base/ecma-globals.h

@@ -455,7 +455,7 @@ typedef struct ecma_object_t
  */
 #define ECMA_OBJECT_OBJ_TYPE_POS (ECMA_OBJECT_OBJ_EXTENSIBLE_POS + \
                                   ECMA_OBJECT_OBJ_EXTENSIBLE_WIDTH)
-#define ECMA_OBJECT_OBJ_TYPE_WIDTH (4)
+#define ECMA_OBJECT_OBJ_TYPE_WIDTH (3)
 
 /**
  * Compressed pointer to prototype object (ecma_object_t)