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Update.
1999-02-03 Ulrich Drepper <drepper@cygnus.com> * elf/dlsym.c (dlsym_doit): If no symbol for RTLD_NEXT is found initialize ref element of args object so that dlsym does not dump a core. * elf/dlvsym.c (dlvsym_doit): Likewise.
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1999-02-03 Ulrich Drepper <drepper@cygnus.com>
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* elf/dlsym.c (dlsym_doit): If no symbol for RTLD_NEXT is found
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initialize ref element of args object so that dlsym does not dump
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a core.
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* elf/dlvsym.c (dlvsym_doit): Likewise.
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1999-02-03 Jakub Jelinek <jj@ultra.linux.cz>
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* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Set branch
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12
elf/dlsym.c
12
elf/dlsym.c
@ -1,5 +1,5 @@
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/* Look up a symbol in a shared object loaded by `dlopen'.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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Copyright (C) 1995, 1996, 1997, 1998, 1999 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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@ -65,6 +65,16 @@ RTLD_NEXT used in code not dynamically loaded"));
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args->loadbase = _dl_lookup_symbol_skip (args->name, &args->ref,
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l->l_local_scope, NULL, match);
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if (args->loadbase == 0)
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{
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/* This means that no such symbol is defined. In this case we
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have to provide a phony Elfxx_Sym entry since the value is
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referenced in `dlsym'. */
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static const ElfW(Sym) null_result;
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args->ref = &null_result;
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}
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}
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else
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{
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12
elf/dlvsym.c
12
elf/dlvsym.c
@ -1,5 +1,5 @@
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/* Look up a versioned symbol in a shared object loaded by `dlopen'.
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Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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Copyright (C) 1995, 1996, 1997, 1998, 1999 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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@ -71,6 +71,16 @@ RTLD_NEXT used in code not dynamically loaded"));
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l->l_local_scope,
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NULL, &args->version,
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match);
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if (args->loadbase == 0)
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{
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/* This means that no such symbol is defined. In this case we
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have to provide a phony Elfxx_Sym entry since the value is
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referenced in `dlsym'. */
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static const ElfW(Sym) null_result;
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args->ref = &null_result;
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}
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}
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else
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{
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