1/* Low-level statistical profiling support function. Linux/x86-64 version.
2 Copyright (C) 2001-2016 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <signal.h>
20#include <sigcontextinfo.h>
21
22static void
23__profil_counter (int signo, SIGCONTEXT scp)
24{
25 profil_count ((void *) GET_PC (scp));
26
27 /* This is a hack to prevent the compiler from implementing the
28 above function call as a sibcall. The sibcall would overwrite
29 the signal context. */
30 asm volatile ("");
31}
32