glibc/sysdeps/or1k/__longjmp.S

51 lines
1.4 KiB
ArmAsm

/* longjmp, OpenRISC version.
Copyright (C) 2022-2023 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
ENTRY (__longjmp)
l.lwz r1, 0(r3)
l.lwz r2, 4(r3)
/* if r4 is 0, something wrong, so set it to 1 */
l.sfeqi r4, 0x0
l.bnf 1f /* r4 != 0, longjmp value sensible */
l.nop
l.ori r4, r0, 0x1 /* make nonzero */
1:
l.addi r11, r4, 0
l.lwz r9, 8(r3)
l.lwz r10, 12(r3)
l.lwz r14, 16(r3)
l.lwz r16, 20(r3)
l.lwz r18, 24(r3)
l.lwz r20, 28(r3)
l.lwz r22, 32(r3)
l.lwz r24, 36(r3)
l.lwz r26, 40(r3)
l.lwz r28, 44(r3)
l.lwz r30, 48(r3)
l.jr r9
l.nop
END (__longjmp)
libc_hidden_def (__longjmp)