38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
|
/* x86-64-specific implementation of profiling support.
|
||
|
|
Copyright (C) 2002-2022 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/>. */
|
||
|
|
|
||
|
|
#include <sysdep.h>
|
||
|
|
|
||
|
|
/* We need a special version of the `mcount' function since for x86-64
|
||
|
|
so that we do not use __builtin_return_address (N) and avoid
|
||
|
|
clobbering of register. */
|
||
|
|
|
||
|
|
|
||
|
|
/* We must not pollute the global namespace. */
|
||
|
|
#define mcount_internal __mcount_internal
|
||
|
|
|
||
|
|
void mcount_internal (u_long frompc, u_long selfpc);
|
||
|
|
|
||
|
|
#define _MCOUNT_DECL(frompc, selfpc) \
|
||
|
|
void mcount_internal (u_long frompc, u_long selfpc)
|
||
|
|
|
||
|
|
|
||
|
|
/* Define MCOUNT as empty since we have the implementation in another
|
||
|
|
file. */
|
||
|
|
#define MCOUNT
|