From 0bbade1c7a27a55b8cccf668dd750ac5d1d75921 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Wed, 21 Aug 2002 07:52:27 +0000 Subject: x86-64 mcount implementation --- sysdeps/x86_64/machine-gmon.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 sysdeps/x86_64/machine-gmon.h (limited to 'sysdeps/x86_64/machine-gmon.h') diff --git a/sysdeps/x86_64/machine-gmon.h b/sysdeps/x86_64/machine-gmon.h new file mode 100644 index 0000000000..d90d13d916 --- /dev/null +++ b/sysdeps/x86_64/machine-gmon.h @@ -0,0 +1,39 @@ +/* x86-64-specific implementation of profiling support. + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger , 2002. + + 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 + +/* 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 -- cgit v1.2.3