aboutsummaryrefslogtreecommitdiff
path: root/elf/dl-profstub.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1998-06-18 16:51:12 +0000
committerUlrich Drepper <drepper@redhat.com>1998-06-18 16:51:12 +0000
commit5ad49c070734c57f35cfe045572fb22158870c78 (patch)
treed17a62167c0996bbe744522fcb819446817cdc04 /elf/dl-profstub.c
parent2827300fbe8b237b825aa29b95f24026aedd4b20 (diff)
downloadglibc-5ad49c070734c57f35cfe045572fb22158870c78.zip
glibc-5ad49c070734c57f35cfe045572fb22158870c78.tar.gz
glibc-5ad49c070734c57f35cfe045572fb22158870c78.tar.bz2
Update.
1998-06-18 16:40 Ulrich Drepper <drepper@cygnus.com> * libc.map: Add _dl_profile_map, _dl_profile_output, _dl_start_profile, _dl_mcount, _dl_mcount_wrapper. * elf/Makefile (routines): Add dl-profstub. * elf/dl-profstub.c: New file. * elf/dl-support.c: Don't define _dl_profile_map. * elf/rtld.c: Likewise. * elf/dlfcn.h: Define DL_CALL_FCT macro. * elf/ldsodefs.h: Declare _dl_profile_output, _dl_mcount_wrapper. Define _CALL_DL_FCT. * iconv/gconv.c: Use _CALL_DL_FCT to call function from dynamically loaded object. * iconv/gconv_db.c: Likewise. * iconv/skeleton.c: Likewise. * nss/getXXbyYY_r.c: Likewise. * nss/getXXent_r.c: Likewise. * nss/nsswitch.c: Likewise.
Diffstat (limited to 'elf/dl-profstub.c')
-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
new file mode 100644
index 0000000..9740c6a
--- /dev/null
+++ b/elf/dl-profstub.c
@@ -0,0 +1,43 @@
+/* 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);
+}