diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/powerpc/brk.S')
-rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/brk.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/brk.S b/sysdeps/unix/sysv/linux/powerpc/brk.S new file mode 100644 index 0000000000..f4a3f3bcec --- /dev/null +++ b/sysdeps/unix/sysv/linux/powerpc/brk.S @@ -0,0 +1,49 @@ +/* brk system call for Linux/ppc. + Copyright (C) 1995, 1996, 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 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. */ + +#include <sysdep.h> +#define _ERRNO_H 1 +#include <bits/errno.h> + + .comm __curbrk,4,4 + .section ".text" +ENTRY(__brk) + stwu %r1,-16(%r1) + stw %r3,8(%r1) + DO_CALL(SYS_ify(brk)) + lwz %r6,8(%r1) +#ifdef PIC + mflr %r4 + bl _GLOBAL_OFFSET_TABLE_@local-4 + mflr %r5 + lwz %r5,__curbrk@got(%r5) + mtlr %r4 + stw %r3,0(%r5) +#else + stw %r3,__curbrk@sdarel(%r13) +#endif + cmplw %r6,%r3 + addi %r1,%r1,16 + li %r3,0 + blelr+ + li %r3,ENOMEM + b JUMPTARGET(__syscall_error) +END (__brk) + +weak_alias (__brk, brk) |