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-rw-r--r--elf/dl-profstub.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/elf/dl-profstub.c b/elf/dl-profstub.c
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+/* Helper definitions for profiling of shared libraries.
+ Copyright (C) 1998 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <dlfcn.h>
+#include <elf.h>
+#include <elf/ldsodefs.h>
+
+/* This is the map for the shared object we profile. It is defined here
+ only because we test for this value being NULL or not. */
+struct link_map *_dl_profile_map;
+
+
+void
+_dl_mcount_wrapper (ElfW(Addr) selfpc)
+{
+ _dl_mcount ((ElfW(Addr)) __builtin_return_address (0), selfpc);
+}
+
+
+void
+_dl_mcount_wrapper_check (void *selfpc)
+{
+ if (_dl_profile_map != NULL)
+ _dl_mcount ((ElfW(Addr)) __builtin_return_address (0),
+ (ElfW(Addr)) selfpc);
+}