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/* morph.h - burneye code morphing functionality, include file
*
* by scut
*/
#ifndef MORPH_H
#define MORPH_H
#define MORPH_VERSION "0.0.1"
typedef struct {
ia32_function ** flist;
unsigned int flist_count;
ia32_function * func;
ia32_bblock * bblock;
} morph;
/* morph_abstract
*
* move all functions and bblockes to extra allocated memory blocks.
*
* return number of bytes allocated
*/
unsigned int
morph_abstract (morph *mr);
/* morph_br_extend
*
* extend the current morphed bblock in `mr' by `len' bytes at its end.
*
* XXX: note that the last extended bytes are set to nop (0x90), hence you have
* to modify them directly afterwards, else further bblock morphing
* operations will not work.
* return in any case
*/
void
morph_br_extend (morph *mr, int len);
/* morph_br_fix
*
* fix the current bblock of `mr' within the function `func' to correct all
* bblock mappings (i.e. convert abstract bblock pointers to instruction level)
*
* return in any case
*/
void
morph_br_fix (morph *mr, ia32_function *func);
/* morph_func_sort
*
* sort the function list array within `mr' by virtual start addresses
*
* return in any case
*/
void
morph_func_sort (morph *mr);
/* morph_br_sort
*
* sort bblock array `brlist', which is `br_len' items long by the virtual
* start address
*
* return in any case
*/
void
morph_br_sort (ia32_bblock **brlist, unsigned int br_len);
/* morph_displ_boundcheck
*
* check whether the displacement value `displ_val' will fit into an
* instruction displacement encoding of `displ_size' bits.
*
* return 0 if it does fit
* return 1 if it is out of bounds
*/
int
morph_displ_boundcheck (int displ_val, unsigned int displ_size);
#endif
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