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Honor anal.archinfo.{min|max}.opsize in Vk scrollup

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pancake 2016-04-01 00:27:14 +02:00
parent 7afc11ff39
commit cc4b08716e
1 changed files with 8 additions and 2 deletions
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10
libr/core/visual.c
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@ -585,14 +585,20 @@ static ut64 prevop_addr (RCore *core, ut64 addr) {
RAnalBlock *bb;
RAnalOp op;
int len, ret, i;
int minop = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MIN_OP_SIZE);
int maxop = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MAX_OP_SIZE);
if (minop == maxop) {
return addr - minop;
}
// let's see if we can use anal info to get the previous instruction
// TODO: look in the current basicblock, then in the current function
// and search in all functions only as a last chance, to try to speed
// up the process.
bb = r_anal_bb_from_offset (core->anal, addr - 1);
bb = r_anal_bb_from_offset (core->anal, addr - minop);
if (bb) {
ut64 res = r_anal_bb_opaddr_at (bb, addr - 1);
ut64 res = r_anal_bb_opaddr_at (bb, addr - minop);
if (res != UT64_MAX) {
return res;
}