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/* Low-level statistical profiling support function. Linux version.
Copyright (C) 2001-2020 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 <signal.h>
#include <sigcontextinfo.h>
/* sa_sigaction signature to use along SA_SIGINFO. */
static void
__profil_counter (int signo, siginfo_t *info, void *ctx)
{
profil_count (sigcontext_get_pc (ctx));
/* This is a hack to prevent the compiler from implementing the
above function call as a sibcall. The sibcall would overwrite
the signal context. */
asm volatile ("");
}
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