1/* Copyright (C) 1994-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18#include <sysdep.h> 19 20/* Code produced by Sun's C compiler calls this function with two extra 21 arguments which it makes relocatable symbols but seem always to be 22 the constant 96; I have no idea what they are for. */ 23 24ENTRY (__builtin_alloca) 25 sub %sp, %o0, %sp /* Push some stack space. */ 26 retl /* Return; the returned buffer leaves 96 */ 27 add %sp, 96, %o0 /* bytes of register save area at the top. */ 28END (__builtin_alloca) 29