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touched up various size related definitions and code

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hyunghwan.chung
2015-12-22 07:49:28 +00:00
parent af9b8cd32c
commit 6fb206a265
7 changed files with 114 additions and 41 deletions
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14
stix/lib/stix.h
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@ -163,10 +163,14 @@ typedef struct stix_obj_word_t* stix_oop_word_t;
#define STIX_CHAR_TO_OOP(num) ((stix_oop_t)((((stix_oow_t)(num)) << STIX_OOP_TAG_BITS) | STIX_OOP_TAG_CHAR))
#define STIX_OOP_TO_CHAR(oop) (((stix_oow_t)oop) >> STIX_OOP_TAG_BITS)
#define STIX_SMINT_BITS (STIX_SIZEOF(stix_ooi_t) * 8 - STIX_OOP_TAG_BITS)
/* SMOOI takes up 62 bit on a 64-bit architecture and 30 bits
* on a 32-bit architecture. The absolute value takes up 61 bits and 29 bits
* respectively for the 1 sign bit. */
#define STIX_SMOOI_BITS (STIX_OOI_BITS - STIX_OOP_TAG_BITS)
#define STIX_SMOOI_ABS_BITS (STIX_SMOOI_BITS - 1)
#define STIX_SMOOI_MAX ((stix_ooi_t)(~((stix_oow_t)0) >> (STIX_OOP_TAG_BITS + 1)))
/* Sacrificing 1 bit pattern for a negative SMOOI makes implementation
* a lot eaisier in many parts */
/* Sacrificing 1 bit pattern for a negative SMOOI makes
* implementation a lot eaisier in many respect. */
/*#define STIX_SMOOI_MIN (-STIX_SMOOI_MAX - 1)*/
#define STIX_SMOOI_MIN (-STIX_SMOOI_MAX)
#define STIX_IN_SMOOI_RANGE(ooi) ((ooi) >= STIX_SMOOI_MIN && (ooi) <= STIX_SMOOI_MAX)
@ -187,7 +191,6 @@ enum stix_obj_type_t
STIX_OBJ_TYPE_BYTE,
STIX_OBJ_TYPE_HALFWORD,
STIX_OBJ_TYPE_WORD,
/*
STIX_OBJ_TYPE_UINT8,
@ -293,6 +296,9 @@ typedef enum stix_obj_type_t stix_obj_type_t;
(((stix_oow_t)(r)) << 0) \
)
#define STIX_OBJ_SIZE_MAX ((stix_oow_t)STIX_SMOOI_MAX)
/*#define STIX_OBJ_SIZE_MAX ((stix_oow_t)STIX_TYPE_MAX(stix_oow_t))*/
#define STIX_OBJ_HEADER \
stix_oow_t _flags; \
stix_oow_t _size; \