| /* i386-specific implementation of profiling support. |
| Copyright (C) 1997, 2002 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
| |
| 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| |
| /* We need a special version of the `mcount' function since for ix86 it |
| must not clobber any register. This has several reasons: |
| - there is a bug in gcc as of version 2.7.2.2 which prohibits the |
| use of profiling together with nested functions |
| - the ELF `fixup' function uses GCC's regparm feature |
| - some (future) systems might want to pass parameters in registers. */ |
| |
| /* We must not pollute the global namespace. */ |
| #define mcount_internal __mcount_internal |
| |
| extern void mcount_internal (u_long frompc, u_long selfpc) internal_function; |
| |
| #define _MCOUNT_DECL(frompc, selfpc) \ |
| void internal_function mcount_internal (u_long frompc, u_long selfpc) |
| |
| |
| /* Define MCOUNT as empty since we have the implementation in another |
| file. */ |
| #define MCOUNT |
