1 /* Private macros for accessing __jmp_buf contents. Nios II version. 2 Copyright (C) 2006-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library. If not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 /* Save offsets within __jmp_buf. */ 20 #define JB_R16 0 21 #define JB_R17 1 22 #define JB_R18 2 23 #define JB_R19 3 24 #define JB_R20 4 25 #define JB_R21 5 26 #define JB_R22 6 27 #define JB_FP 7 28 #define JB_RA 8 29 #define JB_SP 9 30 31 #ifndef __ASSEMBLER__ 32 #include <setjmp.h> 33 #include <stdint.h> 34 #include <sysdep.h> 35 36 static inline uintptr_t __attribute__ ((unused)) _jmpbuf_sp(__jmp_buf jmpbuf)37_jmpbuf_sp (__jmp_buf jmpbuf) 38 { 39 uintptr_t sp = jmpbuf[JB_SP]; 40 #ifdef PTR_DEMANGLE 41 PTR_DEMANGLE (sp); 42 #endif 43 return sp; 44 } 45 #endif 46 47 /* Helper for generic ____longjmp_chk(). */ 48 #define JB_FRAME_ADDRESS(buf) ((void *) _jmpbuf_sp (buf)) 49