1/* 2 * Copyright 2012 Tilera Corporation. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation, version 2. 7 * 8 * This program is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 11 * NON INFRINGEMENT. See the GNU General Public License for 12 * more details. 13 */ 14 15#include <linux/linkage.h> 16#include <arch/abi.h> 17#include <asm/unistd.h> 18 19/* 20 * Note that libc has a copy of this function that it uses to compare 21 * against the PC when a stack backtrace ends, so if this code is 22 * changed, the libc implementation(s) should also be updated. 23 */ 24ENTRY(__vdso_rt_sigreturn) 25 moveli TREG_SYSCALL_NR_NAME, __NR_rt_sigreturn 26 swint1 27 /* We don't use ENDPROC to avoid tagging this symbol as FUNC, 28 * which confuses the perf tool. 29 */ 30 END(__vdso_rt_sigreturn) 31