x86_64tss
sizeof(struct x86_64tss)];
struct x86_64tss common_tss; /* (misaligned by 8 bytes) */
struct x86_64tss ext_tss; /* per-process x86_64tss */
ASSYM(TSS_RSP0, offsetof(struct x86_64tss, tss_rsp0));
sizeof(struct x86_64tss)-1,/* length - all address space */
ps->common_tss.tss_iobase = sizeof(struct x86_64tss);
struct x86_64tss gd_common_tss;
struct x86_64tss ext_tss; /* per-process x86_64tss */
ASSYM(TSS_RSP0, offsetof(struct x86_64tss, tss_rsp0));
#define x86_64_tss x86_64tss