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#ifndef __DATABASE_TYPES_H__
#define __DATABASE_TYPES_H__
#include <generic.h>
/** The basic tags that describe the bytes of the database. The tag "CODE_FIRST_BYTE" is
* mainly for multi-bytes instructions, in order to help the UI displaying
* properly the instructions.
*/
enum basic_tags_t {
TAG_UNKNOWN = 0,
TAG_CODE,
TAG_DATA,
TAG_CODE_FIRST_BYTE,
};
/** The 8-bits tag for a byte. The certitude part
* A non-hollow database will be as big (at least) as the input file: in-memory-RLE is probably a good idea.
*/
struct memory_tags_t {
unsigned short basic_tags: 2;
/** -1..30, 30 being "user hinted", 29 being "external reference" (entry point, exported symbol, ...)
* and -1 means something's fishy with that tag, and that it is probably completely wrong.
* Certitude will grow down with distance from a certain piece of info when the crawler goes away jumping around.
*/
unsigned short certitude: 6;
};
/** An absolute pointer can reference a segment from its ID, and a pointer within the segment.
*/
typedef union {
Uint64 raw_ptr;
struct {
Uint32 segment_id;
Uint32 ptr;
};
} absolute_ptr;
static inline Uint32 SEGID(absolute_ptr ptr) { return ptr.segment_id; }
static inline Uint32 SEGOFFSET(absolute_ptr ptr) { return ptr.ptr; }
/** A function description.
*/
struct function_t {
absolute_ptr start;
Uint32 size;
};
#endif
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