ref: 06d7118e946716bc69fbc7bb4197281c168d71a5
dir: /amd64/include/ureg.h/
struct Ureg { u64int ax; u64int bx; u64int cx; u64int dx; u64int si; u64int di; u64int bp; u64int r8; u64int r9; u64int r10; u64int r11; u64int r12; u64int r13; u64int r14; u64int r15; u16int ds; u16int es; u16int fs; u16int gs; u64int type; u64int error; /* error code (or zero) */ u64int pc; /* pc */ u64int cs; /* old context */ u64int flags; /* old flags */ u64int sp; /* sp */ u64int ss; /* old stack segment */ };