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/* Define symbols used by rseq.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#if __WORDSIZE == 64
#define RSEQ_OFFSET_SIZE 8
#else
#define RSEQ_OFFSET_SIZE 4
#endif
/* Some targets define a macro to denote the zero register. */
#undef zero
/* Define 2 symbols: '__rseq_size' is public const and '_rseq_size' (an
alias of '__rseq_size') is hidden and writable for internal use by the
dynamic linker which will initialize the value both symbols point to
before copy relocations take place. */
.globl __rseq_size
.type __rseq_size, %object
.size __rseq_size, 4
.hidden _rseq_size
.globl _rseq_size
.type _rseq_size, %object
.size _rseq_size, 4
.section .data.rel.ro
.balign 4
__rseq_size:
_rseq_size:
.zero 4
/* Define 2 symbols: '__rseq_offset' is public const and '_rseq_offset' (an
alias of '__rseq_offset') is hidden and writable for internal use by the
dynamic linker which will initialize the value both symbols point to
before copy relocations take place. */
.globl __rseq_offset
.type __rseq_offset, %object
.size __rseq_offset, RSEQ_OFFSET_SIZE
.hidden _rseq_offset
.globl _rseq_offset
.type _rseq_offset, %object
.size _rseq_offset, RSEQ_OFFSET_SIZE
.section .data.rel.ro
.balign RSEQ_OFFSET_SIZE
__rseq_offset:
_rseq_offset:
.zero RSEQ_OFFSET_SIZE
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