glibc/sysdeps/sparc/sparc32/alloca.S

29 lines
1.2 KiB
ArmAsm

/* Copyright (C) 1994-2017 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 <sysdep.h>
/* Code produced by Sun's C compiler calls this function with two extra
arguments which it makes relocatable symbols but seem always to be
the constant 96; I have no idea what they are for. */
ENTRY (__builtin_alloca)
sub %sp, %o0, %sp /* Push some stack space. */
retl /* Return; the returned buffer leaves 96 */
add %sp, 96, %o0 /* bytes of register save area at the top. */
END (__builtin_alloca)