ubuntu-buildroot/output/build/glibc-2.36-81-g4f4d7a13edfd.../sysdeps/aarch64/dl-audit-check.h

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2024-04-01 15:19:46 +00:00
/* rtld-audit version check. AArch64 version.
Copyright (C) 2022 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/>. */
static inline bool
_dl_audit_check_version (unsigned int lav)
{
/* Audit version 1 do not save x8 or NEON registers, which required
changing La_aarch64_regs and La_aarch64_retval layout (BZ#26643). The
missing indirect result save/restore makes _dl_runtime_profile
potentially trigger undefined behavior if the function returns a large
struct (even when PLT trace is not requested). */
return lav == LAV_CURRENT;
}