mirror of
https://github.com/radareorg/radare2.git
synced 2025-01-09 15:00:42 +00:00
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* radare - LGPL - Copyright 2010-2011 */
|
|
/* - nibble<.ds@gmail.com> + pancake<nopcode.org> */
|
|
|
|
#include <r_anal.h>
|
|
#include <r_util.h>
|
|
#include <r_list.h>
|
|
|
|
R_API RAnalBlock *r_anal_bb_new() {
|
|
RAnalBlock *bb = R_NEW (RAnalBlock);
|
|
if (!bb) return NULL;
|
|
memset (bb, 0, sizeof (RAnalBlock));
|
|
bb->addr = -1;
|
|
bb->jump = -1;
|
|
bb->fail = -1;
|
|
bb->type = R_ANAL_BB_TYPE_NULL;
|
|
bb->aops = r_anal_aop_list_new();
|
|
bb->cond = NULL;
|
|
bb->fingerprint = NULL;
|
|
bb->diff = r_anal_diff_new ();
|
|
return bb;
|
|
}
|
|
|
|
R_API RList *r_anal_bb_list_new() {
|
|
RList *list = r_list_new ();
|
|
list->free = &r_anal_bb_free;
|
|
return list;
|
|
}
|
|
|
|
R_API void r_anal_bb_free(void *_bb) {
|
|
if (_bb) {
|
|
RAnalBlock *bb = _bb;
|
|
free (bb->cond);
|
|
free (bb->fingerprint);
|
|
if (bb->aops)
|
|
r_list_free (bb->aops);
|
|
if (bb->diff)
|
|
r_anal_diff_free (bb->diff);
|
|
free (bb);
|
|
}
|
|
}
|
|
|
|
R_API int r_anal_bb(RAnal *anal, RAnalBlock *bb, ut64 addr, ut8 *buf, ut64 len, int head) {
|
|
RAnalOp *aop = NULL;
|
|
int oplen, idx = 0;
|
|
|
|
if (bb->addr == -1)
|
|
bb->addr = addr;
|
|
while (idx < len) {
|
|
if (!(aop = r_anal_aop_new ())) {
|
|
eprintf ("Error: new (aop)\n");
|
|
return R_ANAL_RET_ERROR;
|
|
}
|
|
if ((oplen = r_anal_aop (anal, aop, addr+idx, buf+idx, len-idx)) == 0) {
|
|
r_anal_aop_free (aop);
|
|
if (idx == 0) {
|
|
VERBOSE_ANAL eprintf ("Unknown opcode at 0x%08"PFMT64x"\n", addr+idx);
|
|
return R_ANAL_RET_END;
|
|
}
|
|
break;
|
|
}
|
|
idx += oplen;
|
|
bb->size += oplen;
|
|
bb->ninstr++;
|
|
r_list_append (bb->aops, aop);
|
|
if (head)
|
|
bb->type = R_ANAL_BB_TYPE_HEAD;
|
|
switch (aop->type) {
|
|
case R_ANAL_OP_TYPE_CMP:
|
|
bb->cond = r_anal_cond_new_from_aop (aop);
|
|
break;
|
|
case R_ANAL_OP_TYPE_CJMP:
|
|
if (bb->cond) {
|
|
// TODO: get values from anal backend
|
|
bb->cond->type = R_ANAL_COND_EQ;
|
|
} else VERBOSE_ANAL eprintf ("Unknown conditional for block 0x%"PFMT64x"\n", bb->addr);
|
|
bb->conditional = 1;
|
|
bb->fail = aop->fail;
|
|
bb->jump = aop->jump;
|
|
bb->type |= R_ANAL_BB_TYPE_BODY;
|
|
return R_ANAL_RET_END;
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
bb->jump = aop->jump;
|
|
bb->type |= R_ANAL_BB_TYPE_BODY;
|
|
return R_ANAL_RET_END;
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
bb->type |= R_ANAL_BB_TYPE_FOOT;
|
|
return R_ANAL_RET_END;
|
|
case R_ANAL_OP_TYPE_RET:
|
|
bb->type |= R_ANAL_BB_TYPE_LAST;
|
|
return R_ANAL_RET_END;
|
|
}
|
|
}
|
|
return bb->size;
|
|
}
|