mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 19:30:10 +00:00
e6caf4e12e
2002-03-01 Ulrich Drepper <drepper@redhat.com> * elf/Makefile (dl-routines): Add dl-origin. (elide-routines.os): Add dl-origin. * elf/Versions [ld] (GLIBC_PRIVATE): Add _dl_get_origin. * elf/dl-debug.c (_dl_debug_initialize): Add missing INTUSE around _dl_debug_state. * include/libc-symbols.c: Define attribute_hidden depending on HAVE_VISIBILITY_ATTRIBUTE. Add definition of INTVARDEF. * elf/dl-deps.c: Use INTUSE with __libc_enable_secure. * elf/dl-load.c: Likewise. * elf/rtld.c: Likewise. * include/unistd.h: Declare __libc_enable_secure_internal. * sysdeps/generic/dl-sysdep.c: Use INTVARDEF with __libc_enable_secure. Use INTUSE with __libc_enable_secure. * sysdeps/mach/hurd/dl-sysdep.c: Likewise. * elf/dl-deps.c: Use INTUSE with _dl_out_of_memory. * elf/dl-error.c: Likewise, * sysdeps/generic/ldsodefs.h: Declare _dl_out_of_memory_internal. * elf/dl-dst.h [_RTLD_GLOBAL]: Define _dl_get_origin to use INTUSE. * sysdeps/generic/dl-origin.c: Undefine _dl_get_origin macro before function definition. Use INTDEF with _dl_get_origin. * sysdeps/unix/sysv/linux/dl-origin.c: Likewise. * elf/dl-init.c: Use INTUSE with _dl_starting_up. * elf/rtld.c: Likewise. Use INTVARDEF for _dl_starting_up. * elf/dl-profile.c: Use INTDEF for _dl_mcount. * elf/dl-runtime.c: Use INTUSE with _dl_mcount. * sysdeps/generic/ldsodefs.h: Declare _dl_mcount_internal. * elf/dl-conflict.c: Use rtld_progrname instead of _dl_argv[0]. * 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-reloc.c: Likewise. * elf/dl-version.c: Likewise. * elf/do-lookup.h: Likewise. * sysdeps/arm/dl-machine.h: Likewise. * sysdeps/cris/dl-machine.h: Likewise. * sysdeps/hppa/dl-machine.h: Likewise. * sysdeps/i386/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/powerpc/dl-machine.h: Likewise. * sysdeps/s390/s390-32/dl-machine.h: Likewise. * sysdeps/s390/s390-64/dl-machine.h: Likewise. * sysdeps/sh/dl-machine.h: Likewise. * sysdeps/sparc/sparc-32/dl-machine.h: Likewise. * sysdeps/sparc/sparc-64/dl-machine.h: Likewise. * sysdeps/x86_64/dl-machine.h: Likewise. * elf/rtld.c: Use INTDEF for _dl_argv. Use rtld_progrname instead of _dl_argv[0]. Use INTUSE with _dl_argv. * sysdeps/generic/dl-sysdep.c: Use INTUSE with _dl_argv. * sysdeps/generic/ldsodefs.h: Define rtld_progname macro.
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* Communicate dynamic linker state to the debugger at runtime.
|
|
Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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 <ldsodefs.h>
|
|
|
|
/* This structure communicates dl state to the debugger. The debugger
|
|
normally finds it via the DT_DEBUG entry in the dynamic section, but in
|
|
a statically-linked program there is no dynamic section for the debugger
|
|
to examine and it looks for this particular symbol name. */
|
|
struct r_debug _r_debug;
|
|
|
|
|
|
/* Initialize _r_debug if it has not already been done. The argument is
|
|
the run-time load address of the dynamic linker, to be put in
|
|
_r_debug.r_ldbase. Returns the address of _r_debug. */
|
|
|
|
struct r_debug *
|
|
internal_function
|
|
_dl_debug_initialize (ElfW(Addr) ldbase)
|
|
{
|
|
if (_r_debug.r_brk == 0)
|
|
{
|
|
/* Tell the debugger where to find the map of loaded objects. */
|
|
_r_debug.r_version = 1 /* R_DEBUG_VERSION XXX */;
|
|
_r_debug.r_ldbase = ldbase;
|
|
_r_debug.r_map = GL(dl_loaded);
|
|
_r_debug.r_brk = (ElfW(Addr)) &INTUSE(_dl_debug_state);
|
|
}
|
|
|
|
return &_r_debug;
|
|
}
|
|
|
|
|
|
/* This function exists solely to have a breakpoint set on it by the
|
|
debugger. The debugger is supposed to find this function's address by
|
|
examining the r_brk member of struct r_debug, but GDB 4.15 in fact looks
|
|
for this particular symbol name in the PT_INTERP file. */
|
|
void
|
|
_dl_debug_state (void)
|
|
{
|
|
}
|
|
INTDEF (_dl_debug_state)
|