(root)/
glibc-2.38/
sysdeps/
x86_64/
nptl/
tcb-offsets.sym
#include <sysdep.h>
#include <tls.h>
#include <kernel-features.h>

RESULT			offsetof (struct pthread, result)
TID			offsetof (struct pthread, tid)
CANCELHANDLING		offsetof (struct pthread, cancelhandling)
CLEANUP_JMP_BUF		offsetof (struct pthread, cleanup_jmp_buf)
CLEANUP			offsetof (struct pthread, cleanup)
CLEANUP_PREV		offsetof (struct _pthread_cleanup_buffer, __prev)
MUTEX_FUTEX		offsetof (pthread_mutex_t, __data.__lock)
MULTIPLE_THREADS_OFFSET	offsetof (tcbhead_t, multiple_threads)
POINTER_GUARD		offsetof (tcbhead_t, pointer_guard)
FEATURE_1_OFFSET	offsetof (tcbhead_t, feature_1)
SSP_BASE_OFFSET		offsetof (tcbhead_t, ssp_base)

-- Not strictly offsets, but these values are also used in the TCB.
TCB_CANCELED_BITMASK	 CANCELED_BITMASK