diff options
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/libc-start.c | 6 | ||||
-rw-r--r-- | sysdeps/generic/sigset-cvt-mask.h | 24 |
2 files changed, 29 insertions, 1 deletions
diff --git a/sysdeps/generic/libc-start.c b/sysdeps/generic/libc-start.c index 3225a7ce5d..1e07929e7e 100644 --- a/sysdeps/generic/libc-start.c +++ b/sysdeps/generic/libc-start.c @@ -25,11 +25,12 @@ extern void __libc_init_first (int argc, char **argv, char **envp); extern int _dl_starting_up; weak_extern (_dl_starting_up) extern int __libc_multiple_libcs; +extern void *__libc_stack_end; int __libc_start_main (int (*main) (int, char **, char **), int argc, char **argv, void (*init) (void), void (*fini) (void), - void (*rtld_fini) (void)) + void (*rtld_fini) (void), void *stack_end) { #ifndef PIC /* The next variable is only here to work around a bug in gcc <= 2.7.2.2. @@ -38,6 +39,9 @@ __libc_start_main (int (*main) (int, char **, char **), int argc, int *dummy_addr = &_dl_starting_up; __libc_multiple_libcs = dummy_addr && !_dl_starting_up; + + /* Store the lowest stack address. */ + __libc_stack_end = stack_end; #endif /* Set the global _environ variable correctly. */ diff --git a/sysdeps/generic/sigset-cvt-mask.h b/sysdeps/generic/sigset-cvt-mask.h new file mode 100644 index 0000000000..749ed5e613 --- /dev/null +++ b/sysdeps/generic/sigset-cvt-mask.h @@ -0,0 +1,24 @@ +/* Convert between lowlevel sigmask and libc representation of sigset_t. + Generic version. + Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Joe Keane <jgk@jgk.org>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#define sigset_set_old_mask(set, mask) (*(set) = (unsigned long int) (mask)) + +#define sigset_get_old_mask(set, mask) ((mask) = (unsigned int) *(set)) |