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#ifndef LIBUTIL_MOVEBITS_H
#define LIBUTIL_MOVEBITS_H
#include <inttypes.h>
#include <setjmp.h>
struct movelist {
uintptr_t dst;
uintptr_t src;
uintptr_t len;
struct movelist *next;
};
struct move_descriptor {
uint32_t dst;
uint32_t src;
uint32_t len;
};
/*
* Creates a movelist consisting of only one element, and
* if parent == NULL insert into the movelist chain immediately after
* the parent element.
*/
struct movelist *
make_movelist(struct movelist *parent, uintptr_t dst,
uintptr_t src, uintptr_t len);
/*
* Convert a movelist into a linear array of struct move_descriptors,
* returning the number of descriptors and freeing the movelist.
*
* Returns (size_t)-1 on failure; if so the movelist is still valid.
*/
size_t
linearize_movelist(struct move_descriptor **d, struct movelist *m);
/*
* moves is computed from "frags" and "freemem". "space" lists
* free memory areas at our disposal, and is (src, cnt) only.
*/
int
compute_movelist(struct movelist **moves, struct movelist *frags,
struct movelist *space);
#endif /* LIBUTIL_MOVEBITS_H */
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