architecture.h File Reference

Platform-independent access to architecture details. More...

Detailed Description

Platform-independent access to architecture details.

Author

Marian Buschsieweke maria.nosp@m.n.bu.nosp@m.schsi.nosp@m.ewek.nosp@m.e@ovg.nosp@m.u.de

Definition in file architecture.h.

#include <stdint.h>
#include <inttypes.h>
#include <limits.h>
#include "architecture_arch.h"

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Macros
#define	ARCHITECTURE_BREAKPOINT(value)   do {} while (1)
	Set a breakpoint.
#define	ARCHITECTURE_WORD_BITS   <NUM>
	Size of a word in bits.
#define	ARCHITECTURE_WORD_BYTES   <ARCHITECTURE_WORD_BITS / 8>
	Size of a word in bytes.
#define	SWORD_MAX   <2^(ARCHITECTURE_WORD_BITS - 1) - 1>
	Highest number an sword_t can hold.
#define	SWORD_MIN   <-2^(ARCHITECTURE_WORD_BITS - 1)>
	Smallest number an sword_t can hold.
#define	UWORD_MAX   <2^ARCHITECTURE_WORD_BITS - 1>
	Highest number an uword_t can hold.
#define	UWORD_MIN   (0U)
	Smallest number an uword_t can hold.
#define	PRIxTXTPTR   PRIxPTR
	Format string macro for text section pointer.
#define	PRI_SIZE_T_MODIFIER   /* implementation defined */
	Architecture specific modifier used for printing sizes.
#define	PRIdSIZE   PRI_SIZE_T_MODIFIER "d"
	Macro holding the format specifier to print an ssize_t variable in decimal representation.
#define	PRIiSIZE   PRI_SIZE_T_MODIFIER "i"
	Macro holding the format specifier to print an ssize_t variable.
#define	PRIoSIZE   PRI_SIZE_T_MODIFIER "o"
	Macro holding the format specifier to print an ssize_t variable in octal representation.
#define	PRIuSIZE   PRI_SIZE_T_MODIFIER "u"
	Macro holding the format specifier to print an size_t variable in decimal representation.
#define	PRIxSIZE   PRI_SIZE_T_MODIFIER "x"
	Macro holding the format specifier to print an size_t variable in hexadecimal representation.
#define	PRIXSIZE   PRI_SIZE_T_MODIFIER "X"
	Macro holding the format specifier to print an size_t variable in hexadecimal representation.
#define	WORD_ALIGNED   __attribute__((aligned(ARCHITECTURE_WORD_BYTES)))
	Type qualifier to use to align data on word boundaries.
#define	HAS_ALIGNMENT_OF(addr, alignment)   (((uintptr_t)(addr) & ((alignment) - 1)) == 0)
	Check if addr is alignment to alignment.
#define	IS_WORD_ALIGNED(addr)   HAS_ALIGNMENT_OF(addr, ARCHITECTURE_WORD_BYTES)
	Check if addr is word-aligned.

Typedefs
typedef uint< NUM > _t	uword_t
	Word sized unsigned integer.
typedef int< NUM > _t	sword_t
	Word sized signed integer.
typedef uintptr_t	uinttxtptr_t
	Pointer type to point anywhere in the .text section.