| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2011-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. |
| 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | /* We don't use most of these symbols; they are here for documentation. */ |
| 20 | #define JB_R30 0 |
| 21 | #define JB_R31 1 |
| 22 | #define JB_R32 2 |
| 23 | #define JB_R33 3 |
| 24 | #define JB_R34 4 |
| 25 | #define JB_R35 5 |
| 26 | #define JB_R36 6 |
| 27 | #define JB_R37 7 |
| 28 | #define JB_R38 8 |
| 29 | #define JB_R39 9 |
| 30 | #define JB_R40 10 |
| 31 | #define JB_R41 11 |
| 32 | #define JB_R42 12 |
| 33 | #define JB_R43 13 |
| 34 | #define JB_R44 14 |
| 35 | #define JB_R45 15 |
| 36 | #define JB_R46 16 |
| 37 | #define JB_R47 17 |
| 38 | #define JB_R48 18 |
| 39 | #define JB_R49 19 |
| 40 | #define JB_R50 20 |
| 41 | #define JB_R51 21 |
| 42 | #define JB_FP 22 /* r52 */ |
| 43 | #define JB_TP 23 /* r53 */ |
| 44 | #define JB_SP 24 /* r54 */ |
| 45 | #define JB_PC 25 /* normally LR, r55 */ |
| 46 | #define JB_ICS 26 /* interrupt critical section bit */ |
| 47 | |
| 48 | /* We save space for some extra state to accommodate future changes. */ |
| 49 | #define JB_LEN 32 /* number of words */ |
| 50 | |
| 51 | #define JB_SIZE (JB_LEN * REGSIZE) |
| 52 | |
| 53 | /* Helper macro used by all the setjmp/longjmp assembly code. */ |
| 54 | #define FOR_EACH_CALLEE_SAVED_REG(f) \ |
| 55 | .no_require_canonical_reg_names; f(r30); f(r31); \ |
| 56 | f(r32); f(r33); f(r34); f(r35); f(r36); f(r37); f(r38); f(r39); \ |
| 57 | f(r40); f(r41); f(r42); f(r43); f(r44); f(r45); f(r46); f(r47); \ |
| 58 | f(r48); f(r49); f(r50); f(r51); f(r52); f(r53); f(r54); f(r55) |
| 59 | |
| 60 | /* Helper for generic ____longjmp_chk(). */ |
| 61 | #define JB_FRAME_ADDRESS(buf) \ |
| 62 | ((void *) (unsigned long) (buf[JB_SP])) |