tcb-offsets.sym

来自「glibc 库, 不仅可以学习使用库函数,还可以学习函数的具体实现,是提高功力的」· SYM 代码 · 共 18 行

#include <sysdep.h>
#include <tls.h>

--

-- Abuse tls.h macros to derive offsets relative to the thread register.
# undef __thread_register
# define __thread_register	((void *) 0)
# define thread_offsetof(mem)	((ptrdiff_t) THREAD_SELF + offsetof (struct pthread, mem))


#if TLS_MULTIPLE_THREADS_IN_TCB
MULTIPLE_THREADS_OFFSET		thread_offsetof (header.multiple_threads)
#endif
PID				thread_offsetof (pid)
TID				thread_offsetof (tid)
POINTER_GUARD			(offsetof (tcbhead_t, pointer_guard) - TLS_TCB_OFFSET - sizeof (tcbhead_t))