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8d1927d8dc
This will be needed for rseq TCB access. Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
33 lines
1.4 KiB
C
33 lines
1.4 KiB
C
/* THREAD_* accessors. Generic version based on struct pthread pointers.
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Copyright (C) 2002-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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/* Note: These are for accessing the TCB of the *current* thread.
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descr can be disregarded on some targets as an optimization. See
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i386 for an example. */
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#define THREAD_GETMEM(descr, member) \
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descr->member
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#define THREAD_GETMEM_VOLATILE(descr, member) \
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(*(volatile __typeof (descr->member) *)&descr->member)
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#define THREAD_GETMEM_NC(descr, member, idx) \
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descr->member[idx]
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#define THREAD_SETMEM(descr, member, value) \
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descr->member = (value)
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#define THREAD_SETMEM_NC(descr, member, idx, value) \
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descr->member[idx] = (value)
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