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/* longjmp for Nios II.
Copyright (C) 2015-2023 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
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
#include <pointer_guard.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)
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