src/third_party/musl/arch/microblaze/pthread_arch.h

static inline struct pthread *__pthread_self()
{
	struct pthread *self;
	__asm__ __volatile__ ("ori %0, r21, 0" : "=r" (self) );
	return self;
}

#define TP_ADJ(p) (p)

#define MC_PC regs.pc