fusl/arch/x86_64/pthread_arch.h - mojo-tools - Git at Google

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

 #define TP_ADJ(p) (p)

 #define MC_PC gregs[REG_RIP]
	static inline struct pthread *__pthread_self()
	{
	struct pthread *self;
	__asm__ __volatile__ ("mov %%fs:0,%0" : "=r" (self) );
	return self;
	}

	#define TP_ADJ(p) (p)

	#define MC_PC gregs[REG_RIP]