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7969407a01
Change ld.so to not use functions which are exported. One cannot interpose them anyway. Use INT() to mark uses, INTDEF() to mark definitions. * include/libc-symbols.h: Define INT and INTDEF. * sysdeps/generic/ldsodefs.h: Declare _dl_debug_printf_internal, _dl_signal_error_internal, _dl_map_object_internal, _dl_map_object_deps_internal, _dl_lookup_symbol_internal, _dl_lookup_versioned_symbol_internal, _dl_relocate_object_internal, _dl_debug_state_internal, _dl_start_profile_internal, and _dl_unload_cache_internal. * include/dlfcn.h: Declare _dl_catch_error_internal. * elf/rtld.c: Use INT for calls to any of the *_internal functions above. Add INTDEF to function definitions. * elf/dl-debug.c: Likewise. * elf/dl-deps.c: Likewise. * elf/dl-dst.h: 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-misc.c: Likewise. * elf/dl-open.c: Likewise. * elf/dl-profile.c: Likewise. * elf/dl-reloc.c: Likewise. * elf/dl-runtime.c: Likewise. * elf/dl-version.c: Likewise. * elf/do-lookup.h: Likewise. * sysdeps/generic/dl-cache.c: Likewise. * sysdeps/generic/dl-sysdep.c: Likewise. * sysdeps/alpha/dl-machine.h (RTLD_START): Call _dl_init_internal instead of _dl_init. * 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/ia64/dl-machine.h: Likewise. * sysdeps/m68k/dl-machine.h: Likewise. * sysdeps/mips/dl-machine.h: Likewise. * sysdeps/mips/mips64/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/sparc32/dl-machine.h: Likewise. * sysdeps/sparc/sparc64/dl-machine.h: Likewise. * sysdeps/x86_64/dl-machine.h: Likewise. * sysdeps/powerpc/dl-start.S (_dl_start_user): Likewise. * elf/Versions: Don't export _dl_check_all_versions, _dl_sysdep_start, and _dl_debug_initialize.
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* Communicate dynamic linker state to the debugger at runtime.
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Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <ldsodefs.h>
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/* This structure communicates dl state to the debugger. The debugger
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normally finds it via the DT_DEBUG entry in the dynamic section, but in
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a statically-linked program there is no dynamic section for the debugger
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to examine and it looks for this particular symbol name. */
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struct r_debug _r_debug;
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/* Initialize _r_debug if it has not already been done. The argument is
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the run-time load address of the dynamic linker, to be put in
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_r_debug.r_ldbase. Returns the address of _r_debug. */
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struct r_debug *
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internal_function
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_dl_debug_initialize (ElfW(Addr) ldbase)
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{
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if (_r_debug.r_brk == 0)
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{
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/* Tell the debugger where to find the map of loaded objects. */
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_r_debug.r_version = 1 /* R_DEBUG_VERSION XXX */;
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_r_debug.r_ldbase = ldbase;
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_r_debug.r_map = GL(dl_loaded);
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_r_debug.r_brk = (ElfW(Addr)) &_dl_debug_state;
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}
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return &_r_debug;
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}
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/* This function exists solely to have a breakpoint set on it by the
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debugger. The debugger is supposed to find this function's address by
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examining the r_brk member of struct r_debug, but GDB 4.15 in fact looks
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for this particular symbol name in the PT_INTERP file. */
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void
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_dl_debug_state (void)
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{
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}
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INTDEF (_dl_debug_state)
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