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.
43 lines
1.7 KiB
C
43 lines
1.7 KiB
C
/* Dynamic linker system dependencies for Linux.
|
|
Copyright (C) 1995, 1997 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. */
|
|
|
|
/* Linux needs some special initialization, but otherwise uses
|
|
the generic dynamic linker system interface code. */
|
|
|
|
#include <unistd.h>
|
|
|
|
#define DL_SYSDEP_INIT frob_brk ()
|
|
|
|
static inline void
|
|
frob_brk (void)
|
|
{
|
|
extern size_t _dl_pagesize;
|
|
extern void _end;
|
|
__brk (0); /* Initialize the break. */
|
|
if (__sbrk (0) == &_end)
|
|
/* The dynamic linker was run as a program, and so the initial break
|
|
starts just after our bss, at &_end. The malloc in dl-minimal.c
|
|
will consume the rest of this page, so tell the kernel to move the
|
|
break up that far. When the user program examines its break, it
|
|
will see this new value and not clobber our data. */
|
|
__sbrk (_dl_pagesize - ((&_end - (void *) 0) & _dl_pagesize));
|
|
}
|
|
|
|
#include <sysdeps/generic/dl-sysdep.c>
|