1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* 3 * Copyright (c) 1994-2009 Red Hat, Inc. 4 * Copyright (c) 2016, Linaro Limited 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the copyright holder nor the names of its 18 * contributors may be used to endorse or promote products derived from this 19 * software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __SETJMP_H 35 #define __SETJMP_H 36 37 #include <compiler.h> 38 39 #if defined(ARM32) 40 /* 41 * All callee preserved registers: 42 * v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7 43 * One additional 32-bit value used in case ftrace 44 * is enabled to restore ftrace return stack. 45 */ 46 #define _JBLEN 24 47 #define _JBTYPE int 48 #endif 49 50 #if defined(ARM64) 51 #define _JBLEN 22 52 #define _JBTYPE long long 53 #endif 54 55 #ifdef _JBLEN 56 typedef _JBTYPE jmp_buf[_JBLEN]; 57 #endif 58 59 void __noreturn longjmp(jmp_buf env, int val); 60 int setjmp(jmp_buf env); 61 62 #ifdef CFG_FTRACE_SUPPORT 63 void ftrace_longjmp(unsigned int *ret_idx); 64 void ftrace_setjmp(unsigned int *ret_idx); 65 #endif 66 67 #endif /*__SETJMP_H*/ 68