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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/* Operating system support for run-time dynamic linker. Linux/PPC version.
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Copyright (C) 1997, 1998, 2001 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 "config.h"
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#include "kernel-features.h"
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#ifndef __ASSUME_STD_AUXV
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/* The PowerPC's auxiliary argument block gets aligned to a 16-byte
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boundary. This is history and impossible to change compatibly. */
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#define DL_FIND_ARG_COMPONENTS(cookie, argc, argv, envp, auxp) \
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do { \
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char **_tmp; \
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size_t _test; \
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(argc) = *(long int *) cookie; \
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(argv) = (char **) cookie + 1; \
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(envp) = (argv) + (argc) + 1; \
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for (_tmp = (envp); *_tmp; ++_tmp) \
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continue; \
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/* The following '++' is important! */ \
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++_tmp; \
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\
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_test = (size_t)_tmp; \
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_test = (_test + 0xf) & ~0xf; \
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/* Under some circumstances, MkLinux (up to at least DR3a5) \
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omits the padding. To work around this, we make a \
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basic sanity check of the argument vector. Of \
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course, this means that in future, the argument \
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vector will have to be laid out to allow for this \
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test :-(. */ \
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if (((ElfW(auxv_t) *)_test)->a_type <= 0x10) \
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_tmp = (char **)_test; \
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(auxp) = (ElfW(auxv_t) *) _tmp; \
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} while (0)
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#endif
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#include <sysdeps/unix/sysv/linux/dl-sysdep.c>
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