glibc/sysdeps/unix/sysv/linux/arm/profil-counter.h

/* Low-level statistical profiling support function.  Linux/ARM version.
   Copyright (C) 1996-2021 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>

void
__profil_counter (int signo, siginfo_t *_si, void *scp)
{
  profil_count (sigcontext_get_pc (scp));

  /* 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 ("");
}
#ifndef __profil_counter
# include <shlib-compat.h>
# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_31)
compat_symbol (libc, __profil_counter, profil_counter, GLIBC_2_0);
# endif
#endif