File: tcb-offsets.sym

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glibc 2.24-11+deb9u4
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#include <sysdep.h>
#include <tls.h>

--

-- Abuse tls.h macros to derive offsets relative to the thread register.
-- # define __builtin_thread_pointer()  ((void *) 0)
-- # define thread_offsetof(mem)     ((void *) &THREAD_SELF->mem - (void *) 0)
-- Ho hum, this doesn't work in gcc4, so Know Things about THREAD_SELF
#define thread_offsetof(mem)	(long)(offsetof(struct pthread, mem) - sizeof(struct pthread))

MULTIPLE_THREADS_OFFSET		thread_offsetof (header.multiple_threads)
TID_OFFSET			thread_offsetof (tid)