glibc/sysdeps/x86_64/nptl/tcb-offsets.sym
Adhemerval Zanella 17fd707f88 nptl: Remove x86_64 cancellation assembly implementations [BZ #25765]
All cancellable syscalls are done by C implementations, so there is no
no need to use a specialized implementation to optimize register usage.

It fixes BZ #25765.

Checked on x86_64-linux-gnu.
2020-04-03 10:47:59 -03:00

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#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)
VGETCPU_CACHE_OFFSET offsetof (tcbhead_t, vgetcpu_cache)
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