/* restore program counter after breakpoint hit */
static int r_debug_recoil(RDebug *dbg) {
int recoil;
RRegItem *ri;
if (r_debug_is_dead (dbg))
return R_FALSE;
r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_FALSE);
ri = r_reg_get (dbg->reg, dbg->reg->name[R_REG_NAME_PC], -1);
dbg->reason.bpi = NULL;
if (ri) {
ut64 addr = r_reg_get_value (dbg->reg, ri);
recoil = r_bp_recoil (dbg->bp, addr);
//eprintf ("[R2] Breakpoint recoil at 0x%"PFMT64x" = %d\n", addr, recoil);
#if __arm__
if (recoil<1) recoil = 0; // XXX Hack :D
#else
if (recoil<1) recoil = 0; //1; // XXX Hack :D (x86 only?)
#endif
if (recoil) {
dbg->reason.type = R_DEBUG_REASON_BREAKPOINT;
dbg->reason.bpi = r_bp_get_at (dbg->bp, addr-recoil);
dbg->reason.addr = addr - recoil;
r_reg_set_value (dbg->reg, ri, addr-recoil);
if (r_reg_get_value (dbg->reg, ri) != (addr-recoil)) {
eprintf ("r_debug_recoil: Cannot set program counter\n");
return R_FALSE;
}
r_debug_reg_sync (dbg, R_REG_TYPE_GPR, R_TRUE);
//eprintf ("[BP Hit] Setting pc to 0x%"PFMT64x"\n", (addr-recoil));
return R_TRUE;
}
} else eprintf ("r_debug_recoil: Cannot get program counter\n");
return R_FALSE;
}
/* restore program counter after breakpoint hit */
static int r_debug_recoil(RDebug *dbg) {
int recoil;
RRegItem *ri;
if (r_debug_is_dead (dbg)) {
return false;
}
r_debug_reg_sync (dbg, R_REG_TYPE_GPR, false);
ri = r_reg_get (dbg->reg, dbg->reg->name[R_REG_NAME_PC], -1);
dbg->reason.bpi = NULL;
if (ri) {
ut64 addr = r_reg_get_value (dbg->reg, ri);
recoil = r_bp_recoil (dbg->bp, addr - dbg->bpsize);
//eprintf ("[R2] Breakpoint recoil at 0x%"PFMT64x" = %d\n", addr, recoil);
if (recoil < 1)
recoil = 0; // XXX Hack :D
if (recoil) {
dbg->in_recoil = true;
dbg->reason.type = R_DEBUG_REASON_BREAKPOINT;
dbg->reason.bpi = r_bp_get_at (dbg->bp, addr-recoil);
dbg->reason.addr = addr - recoil;
r_reg_set_value (dbg->reg, ri, addr-recoil);
if (r_reg_get_value (dbg->reg, ri) != (addr-recoil)) {
eprintf ("r_debug_recoil: Cannot set program counter\n");
return false;
}
r_debug_reg_sync (dbg, R_REG_TYPE_GPR, true);
//eprintf ("[BP Hit] Setting pc to 0x%"PFMT64x"\n", (addr-recoil));
return true;
}
} else {
eprintf ("r_debug_recoil: Cannot get program counter\n");
}
return false;
}
