glibc/elf/dl-profstub.c

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/* Helper definitions for profiling of shared libraries.
Update. 2000-03-23 Andreas Jaeger <aj@suse.de> * elf/dl-addr.c: Adjust include paths for ldsodefs location change. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-minimal.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-preinit.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-profstub.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dl-version.c: Likewise. * elf/rtld.c: Likewise. * elf/sprof.c: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/dl-origin.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * sysdeps/generic/elf/backtracesyms.c: Likewise. * sysdeps/generic/elf/backtracesymsfd.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * sysdeps/powerpc/dl-machine.c: Likewise. * sysdeps/powerpc/elf/libc-start.c: Likewise. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/dl-origin.c: Likewise. * elf/ldsodefs.h: Move file to ... * sysdeps/generic/ldsodefs.h: ... here. * sysdeps/generic/ldsodefs.h: Add definition for D_PTR. * sysdeps/mips/elf/ldsodefs.h: New file. * elf/dl-version.c (match_symbol): Use D_PTR to access relocated entries in l_info. (_dl_check_map_versions): Likewise. * elf/dl-reloc.c (_dl_relocate_object): Likewise. * elf/dl-load.c (_dl_init_paths): Likewise. (_dl_map_object): Likewise. * elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Likewise. (elf_get_dynamic_info): Likewise. * elf/do-lookup.h (FCT): Likewise. * elf/do-rel.h (elf_dynamic_do_rel): Likewise. * elf/dl-deps.c (_dl_map_object_deps): Likewise. * elf/dl-addr.c (_dl_addr): Likewise. * elf/dl-runtime.c (profile_fixup): Likewise. (fixup): Likewise. * elf/dl-init.c (_dl_init_next): Likewise. * sysdeps/generic/dl-machine.h (elf_machine_runtime_setup): Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h (DISTINGUISH_LIB_VERSIONS): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Likewise. (elf_machine_rel): Likewise. * elf/dynamic-link.h (elf_get_dynamic_info): Only change l_info for writable dynamic section.
2000-03-23 20:31:46 +00:00
Copyright (C) 1998, 2000 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 <dlfcn.h>
#include <elf.h>
Update. 2000-03-23 Andreas Jaeger <aj@suse.de> * elf/dl-addr.c: Adjust include paths for ldsodefs location change. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-error.c: Likewise. * elf/dl-fini.c: Likewise. * elf/dl-init.c: Likewise. * elf/dl-load.c: Likewise. * elf/dl-lookup.c: Likewise. * elf/dl-minimal.c: Likewise. * elf/dl-object.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-preinit.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-profstub.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-support.c: Likewise. * elf/dl-symbol.c: Likewise. * elf/dl-version.c: Likewise. * elf/rtld.c: Likewise. * elf/sprof.c: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/dl-origin.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * sysdeps/generic/elf/backtracesyms.c: Likewise. * sysdeps/generic/elf/backtracesymsfd.c: Likewise. * sysdeps/generic/libc-start.c: Likewise. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * sysdeps/powerpc/dl-machine.c: Likewise. * sysdeps/powerpc/elf/libc-start.c: Likewise. * sysdeps/sparc/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/unix/sysv/linux/dl-origin.c: Likewise. * elf/ldsodefs.h: Move file to ... * sysdeps/generic/ldsodefs.h: ... here. * sysdeps/generic/ldsodefs.h: Add definition for D_PTR. * sysdeps/mips/elf/ldsodefs.h: New file. * elf/dl-version.c (match_symbol): Use D_PTR to access relocated entries in l_info. (_dl_check_map_versions): Likewise. * elf/dl-reloc.c (_dl_relocate_object): Likewise. * elf/dl-load.c (_dl_init_paths): Likewise. (_dl_map_object): Likewise. * elf/dynamic-link.h (_ELF_DYNAMIC_DO_RELOC): Likewise. (elf_get_dynamic_info): Likewise. * elf/do-lookup.h (FCT): Likewise. * elf/do-rel.h (elf_dynamic_do_rel): Likewise. * elf/dl-deps.c (_dl_map_object_deps): Likewise. * elf/dl-addr.c (_dl_addr): Likewise. * elf/dl-runtime.c (profile_fixup): Likewise. (fixup): Likewise. * elf/dl-init.c (_dl_init_next): Likewise. * sysdeps/generic/dl-machine.h (elf_machine_runtime_setup): Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h (DISTINGUISH_LIB_VERSIONS): Likewise. * sysdeps/i386/dl-machine.h (elf_machine_runtime_setup): Likewise. (elf_machine_rel): Likewise. * elf/dynamic-link.h (elf_get_dynamic_info): Only change l_info for writable dynamic section.
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#include <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. */
extern struct link_map *_dl_profile_map;
void
_dl_mcount_wrapper (void *selfpc)
{
_dl_mcount ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}
void
_dl_mcount_wrapper_check (void *selfpc)
{
if (_dl_profile_map != NULL)
_dl_mcount ((ElfW(Addr)) RETURN_ADDRESS (0), (ElfW(Addr)) selfpc);
}