"movq %%r15,%c[r15_off](%[regs])\n\t" \
"movw %%cs,%c[cs_off](%[regs])\n\t" \
"movw %%ss,%c[ss_off](%[regs])\n\t" \
"movq %%r15,%c[r15_off](%[regs])\n\t" \
"movw %%cs,%c[cs_off](%[regs])\n\t" \
"movw %%ss,%c[ss_off](%[regs])\n\t" \
: \
: [regs] "r" (regsptr), \
[rax_off] "i" (offsetof(struct registers, rax)), \
: \
: [regs] "r" (regsptr), \
[rax_off] "i" (offsetof(struct registers, rax)), \
[r14_off] "i" (offsetof(struct registers, r14)), \
[r15_off] "i" (offsetof(struct registers, r15)), \
[cs_off] "i" (offsetof(struct registers, cs)), \
[r14_off] "i" (offsetof(struct registers, r14)), \
[r15_off] "i" (offsetof(struct registers, r15)), \
[cs_off] "i" (offsetof(struct registers, cs)), \
- [ss_off] "i" (offsetof(struct registers, ss)) \
+ [ss_off] "i" (offsetof(struct registers, ss)), \
+ [rflags_off] "i" (offsetof(struct registers, rflags)) \