user_regs_arcv2
#define ELF_ARCV2REG (sizeof(struct user_regs_arcv2) / sizeof(elf_greg_t))
struct user_regs_arcv2 v2abi;
return membuf_write(&to, ®s->r30, sizeof(struct user_regs_arcv2));
return membuf_zero(&to, sizeof(struct user_regs_arcv2) - 4);
copy_sz = sizeof(struct user_regs_arcv2);
struct user_regs_arcv2 v2abi;
struct user_regs_arcv2 v2abi;