//[reg id, reg value, taint]* [REG_INVALID_, 0, 0]
void EmitRegisters(FILE *f, const CONTEXT *ctx, context &delta){
ADDRINT v, taint;
int i, sz;
//XXX: if you change order of these ids, you also need to change numbering
//in motriage.ml, function: rid2reg
REG regs[] = {LEVEL_BASE::REG_EAX, LEVEL_BASE::REG_EBX, LEVEL_BASE::REG_ECX,
LEVEL_BASE::REG_EDX, LEVEL_BASE::REG_ESI, LEVEL_BASE::REG_EDI, LEVEL_BASE::REG_EBP,
LEVEL_BASE::REG_ESP, LEVEL_BASE::REG_EFLAGS, LEVEL_BASE::REG_EIP};
context::iterator it;
sz = sizeof(regs)/sizeof(regs[0]);
write_u32(f, TAG_REGS);
write_u32(f, sz);
for(i=0;i<sz;i++){
REG r = regs[i];
v = PIN_GetContextReg(ctx, r);
write_u32(f, i); //we don't use PIN's ids
write_u32(f, v);
it = delta.find(r);
if(it != delta.end()){
taint = it->second;
}
else{
taint = 0;
}
write_u32(f, taint);
fprintf(stderr, "%s v=0x%08x, t=0x%08x\n", REG_StringShort(r).c_str(), v,
taint);
}
}
void TaintTracker::printRegs(context &delta)
{
cerr << hex << endl << " ----------- Tainted Regs ------------ " << endl;
for (context::iterator it = delta.begin(), ie = delta.end() ; it != ie ; ++it)
cerr << REG_StringShort((REG)it->first) << " = " << it->second << endl;
}
uint32_t TaintTracker::exists(context &ctx, uint32_t elem)
{
return (ctx.find(elem) != ctx.end());
}