diff options
Diffstat (limited to 'libc/sysdeps/linux/nios/brk.c')
-rw-r--r-- | libc/sysdeps/linux/nios/brk.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/libc/sysdeps/linux/nios/brk.c b/libc/sysdeps/linux/nios/brk.c deleted file mode 100644 index 2514262c6..000000000 --- a/libc/sysdeps/linux/nios/brk.c +++ /dev/null @@ -1,43 +0,0 @@ -/* brk system call for Linux/Nios2. - Copyright (C) 1995, 1996, 2000 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, see - <http://www.gnu.org/licenses/>. */ - -#include <unistd.h> -#include <sys/syscall.h> -#include <errno.h> - -/* This must be initialized data because commons can't have aliases. */ -void *__curbrk attribute_hidden = 0; - -int brk (void *addr) -{ - void *newbrk; - register int g1 __asm__("%g1") = __NR_brk; - register void *o0 __asm__("%o0") = addr; - - __asm__ __volatile__ ("trap 63\n\t" : "=r"(newbrk) : "0"(o0), "r"(g1)); - - __curbrk = newbrk; - - if (newbrk < addr) { - __set_errno (ENOMEM); - return -1; - } - - return 0; -} -libc_hidden_def(brk) |