| /* longjmp for Nios II. |
| Copyright (C) 2015-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <sysdep.h> |
| #include <jmpbuf-offsets.h> |
| |
| /* __longjmp(jmpbuf, val) */ |
| |
| ENTRY (__longjmp) |
| mov r2, r5 |
| bne r5, zero, 1f |
| movi r2, 1 |
| 1: |
| #ifdef PTR_DEMANGLE |
| PTR_MANGLE_GUARD (r3) |
| ldw r5, (JB_RA*4)(r4) |
| ldw r6, (JB_SP*4)(r4) |
| PTR_DEMANGLE (r5, r5, r3) |
| PTR_DEMANGLE (r6, r6, r3) |
| #endif |
| |
| cfi_def_cfa (r4, 0) |
| cfi_offset (r16, JB_R16*4) |
| cfi_offset (r17, JB_R17*4) |
| cfi_offset (r18, JB_R18*4) |
| cfi_offset (r19, JB_R19*4) |
| cfi_offset (r20, JB_R20*4) |
| cfi_offset (r21, JB_R21*4) |
| cfi_offset (r22, JB_R22*4) |
| cfi_offset (fp, JB_FP*4) |
| #ifdef PTR_DEMANGLE |
| cfi_register (ra, r5) |
| cfi_register (sp, r7) |
| #else |
| cfi_offset (ra, JB_RA*4) |
| cfi_offset (sp, JB_SP*4) |
| #endif |
| ldw r16, (JB_R16*4)(r4) |
| ldw r17, (JB_R17*4)(r4) |
| ldw r18, (JB_R18*4)(r4) |
| ldw r19, (JB_R19*4)(r4) |
| ldw r20, (JB_R20*4)(r4) |
| ldw r21, (JB_R21*4)(r4) |
| ldw r22, (JB_R22*4)(r4) |
| ldw fp, (JB_FP*4)(r4) |
| #ifdef PTR_DEMANGLE |
| mov ra, r5 |
| mov sp, r6 |
| #else |
| ldw ra, (JB_RA*4)(r4) |
| ldw sp, (JB_SP*4)(r4) |
| #endif |
| cfi_same_value (r16) |
| cfi_same_value (r17) |
| cfi_same_value (r18) |
| cfi_same_value (r19) |
| cfi_same_value (r20) |
| cfi_same_value (r21) |
| cfi_same_value (r22) |
| cfi_same_value (fp) |
| cfi_same_value (ra) |
| cfi_same_value (sp) |
| |
| ret |
| END (__longjmp) |
