RoseBin_support::X86PositionInRegister
get_position_in_register(const RegisterDescriptor &rdesc) {
if (0==rdesc.get_offset()) {
switch (rdesc.get_nbits()) {
case 8: return RoseBin_support::x86_regpos_low_byte;
case 16: return RoseBin_support::x86_regpos_word;
case 32: return RoseBin_support::x86_regpos_dword;
case 64: return RoseBin_support::x86_regpos_qword;
default: return RoseBin_support::x86_regpos_all;
}
} else if (8==rdesc.get_offset() && 8==rdesc.get_nbits()) {
return RoseBin_support::x86_regpos_high_byte;
} else {
return RoseBin_support::x86_regpos_unknown;
}
}
/** Returns the name of an X86 register.
*
* We use the amd64 architecture because, since it's backward compatible with the 8086, it contains definitions for all the
* registers from older architectures. */
std::string unparseX86Register(const RegisterDescriptor ®) {
using namespace StringUtility;
const RegisterDictionary *dict = RegisterDictionary::dictionary_amd64();
std::string name = dict->lookup(reg);
if (name.empty()) {
static bool dumped_dict = false;
std::cerr <<"unparseX86Register(" <<reg <<"): register descriptor not found in dictionary.\n";
if (!dumped_dict) {
std::cerr <<" FIXME: we might be using the amd64 register dictionary. [RPM 2011-03-02]\n";
//std::cerr <<*dict;
dumped_dict = true;
}
return (std::string("BAD_REGISTER(") +
numberToString(reg.get_major()) + "." +
numberToString(reg.get_minor()) + "." +
numberToString(reg.get_offset()) + "." +
numberToString(reg.get_nbits()) + ")");
}
return name;
}
