glibc/ports/sysdeps/am33/setjmp.S

80 lines
1.9 KiB
ArmAsm

/* setjmp for am33.
Copyright (C) 2001, 2004 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>
#define _ASM
#define _SETJMP_H
#include <bits/setjmp.h>
#include <asm-syntax.h>
ENTRY (__sigsetjmp)
.Lsigsetjmp:
/* Save registers. */
mov d0,a0
mov d2,(0,a0)
mov d3,(4,a0)
mov mdr,d0
mov d0,(8,a0)
/* Restore d0 for __sigjmp_save. */
mov a0,d0
mov a2,(12,a0)
mov a3,(16,a0)
mov sp,a1
mov a1,(20,a0)
add 24,a0
mov r4,(a0+)
mov r5,(a0+)
mov r6,(a0+)
mov r7,(a0+)
#ifdef __AM33_2__
fmov fs4,(a0+)
fmov fs5,(a0+)
fmov fs6,(a0+)
fmov fs7,(a0+)
fmov fs8,(a0+)
fmov fs9,(a0+)
fmov fs10,(a0+)
fmov fs11,(a0+)
fmov fs12,(a0+)
fmov fs13,(a0+)
fmov fs14,(a0+)
fmov fs15,(a0+)
fmov fs16,(a0+)
fmov fs17,(a0+)
fmov fs18,(a0+)
fmov fs19,(a0+)
#endif
/* Make a tail call to __sigjmp_save; it takes the same args. */
jmp __sigjmp_save
END (__sigsetjmp)
/* BSD `_setjmp' entry point to `sigsetjmp (..., 1)'. */
ENTRY (setjmp)
/* Tail-call setsetjmp with savesigs==1. */
mov 1,d1
bra .Lsigsetjmp
END (setjmp)
/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. */
ENTRY (_setjmp)
/* Tail-call setsetjmp with savesigs==0. */
clr d1
bra .Lsigsetjmp
END (_setjmp)