std::string expected_str(IndexedMemoryRef imr) {
std::ostringstream out;
// See above about the rbp/r13 thing.
if (imr.r.base == rbp || imr.r.base == r13 || imr.r.disp != 0) {
expected_disp_str(imr.r.disp, out);
}
out << '(' << expected_str(imr.r.base)
<< ',' << expected_str(imr.r.index)
<< ',' << imr.r.scale
<< ')';
return out.str();
}
std::string expected_str(MemoryRef mr) {
std::ostringstream out;
/*
* Operations with "rbp-like" registers still are encoded with a
* displacement byte, even if the displacement is zero. This wouldn't
* matter, but objdump displays the zero displacements for these
* registers (presumably because of this), so we have to add it to our
* expected string in that case.
*/
if (mr.r.base == rbp || mr.r.base == r13 || mr.r.disp != 0) {
expected_disp_str(mr.r.disp, out);
}
out << '(' << expected_str(mr.r.base) << ')';
return out.str();
}
std::string expected_str(MemoryRef mr) {
std::ostringstream out;
if (mr.r.disp != 0) {
expected_disp_str(mr.r.disp, out);
}
if (int(mr.r.index) != -1) {
out << '(' << expected_str(mr.r.base)
<< ',' << expected_str(mr.r.index)
<< ',' << mr.r.scale
<< ')';
} else {
out << '(' << expected_str(mr.r.base) << ')';
}
return out.str();
}
