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| 1 | /* Private macros for accessing __jmp_buf contents. Nios II version. |
|---|---|
| 2 | Copyright (C) 2006-2024 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 | #include <pointer_guard.h> |
| 36 | |
| 37 | static inline uintptr_t __attribute__ ((unused)) |
| 38 | _jmpbuf_sp (__jmp_buf jmpbuf) |
| 39 | { |
| 40 | uintptr_t sp = jmpbuf[JB_SP]; |
| 41 | PTR_DEMANGLE (sp); |
| 42 | return sp; |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | /* Helper for generic ____longjmp_chk(). */ |
| 47 | #define JB_FRAME_ADDRESS(buf) ((void *) _jmpbuf_sp (buf)) |
| 48 |
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