linux/arch/hexagon/kernel/trampoline.S

36 lines
1.2 KiB
ArmAsm

/*
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/*
* Trampoline sequences to be copied onto user stack.
* This consumes a little more space than hand-assembling
* immediate constants for use in C, but is more portable
* to future tweaks to the Hexagon instruction set.
*/
#include <asm/unistd.h>
/* Sig trampolines - call sys_sigreturn or sys_rt_sigreturn as appropriate */
/* plain sigreturn is gone. */
.globl __rt_sigtramp_template
__rt_sigtramp_template:
r6 = #__NR_rt_sigreturn;
trap0(#1);