Add the needed _setjmp.S for MIPS.
Obtained from: Juniper Networks
This commit is contained in:
David E. O'Brien
parent
d54d93ac7f
commit
5ba1019a4b
139
lib/libstand/mips/_setjmp.S
Normal file
139
lib/libstand/mips/_setjmp.S
Normal file
@ -0,0 +1,139 @@
|
||||
/*-
|
||||
* Copyright (c) 1991, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to Berkeley by
|
||||
* Ralph Campbell.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
#include <machine/regnum.h>
|
||||
#include <machine/asm.h>
|
||||
|
||||
#if 0
|
||||
#if defined(LIBC_SCCS)
|
||||
.text
|
||||
.asciz "$OpenBSD: _setjmp.S,v 1.6 1996/09/23 21:27:53 imp Exp $"
|
||||
#endif /* LIBC_SCCS */
|
||||
#endif
|
||||
|
||||
/*
|
||||
* C library -- _setjmp, _longjmp
|
||||
*
|
||||
* _longjmp(a,v)
|
||||
* will generate a "return(v)" from
|
||||
* the last call to
|
||||
* _setjmp(a)
|
||||
* by restoring registers from the stack,
|
||||
* The previous signal state is NOT restored.
|
||||
*/
|
||||
|
||||
LEAF(_setjmp)
|
||||
.set noreorder
|
||||
li v0, 0xACEDBADE # sigcontext magic number
|
||||
sw ra, (2 * 4)(a0) # sc_pc = return address
|
||||
sw v0, (3 * 4)(a0) # saved in sc_regs[0]
|
||||
sw s0, ((S0 + 3) * 4)(a0)
|
||||
sw s1, ((S1 + 3) * 4)(a0)
|
||||
sw s2, ((S2 + 3) * 4)(a0)
|
||||
sw s3, ((S3 + 3) * 4)(a0)
|
||||
sw s4, ((S4 + 3) * 4)(a0)
|
||||
sw s5, ((S5 + 3) * 4)(a0)
|
||||
sw s6, ((S6 + 3) * 4)(a0)
|
||||
sw s7, ((S7 + 3) * 4)(a0)
|
||||
sw sp, ((SP + 3) * 4)(a0)
|
||||
sw s8, ((S8 + 3) * 4)(a0)
|
||||
cfc1 v0, $31 # too bad cant check if FP used
|
||||
swc1 $f20, ((20 + 38) * 4)(a0)
|
||||
swc1 $f21, ((21 + 38) * 4)(a0)
|
||||
swc1 $f22, ((22 + 38) * 4)(a0)
|
||||
swc1 $f23, ((23 + 38) * 4)(a0)
|
||||
swc1 $f24, ((24 + 38) * 4)(a0)
|
||||
swc1 $f25, ((25 + 38) * 4)(a0)
|
||||
swc1 $f26, ((26 + 38) * 4)(a0)
|
||||
swc1 $f27, ((27 + 38) * 4)(a0)
|
||||
swc1 $f28, ((28 + 38) * 4)(a0)
|
||||
swc1 $f29, ((29 + 38) * 4)(a0)
|
||||
swc1 $f30, ((30 + 38) * 4)(a0)
|
||||
swc1 $f31, ((31 + 38) * 4)(a0)
|
||||
sw v0, ((32 + 38) * 4)(a0)
|
||||
j ra
|
||||
move v0, zero
|
||||
END(_setjmp)
|
||||
|
||||
LEAF(_longjmp)
|
||||
#ifdef ABICALLS
|
||||
subu sp, sp, 32
|
||||
.cprestore 16
|
||||
#endif
|
||||
.set noreorder
|
||||
lw v0, (3 * 4)(a0) # get magic number
|
||||
lw ra, (2 * 4)(a0)
|
||||
bne v0, 0xACEDBADE, botch # jump if error
|
||||
|
||||
addu sp, sp, 32 # does not matter, sanity
|
||||
lw s0, ((S0 + 3) * 4)(a0)
|
||||
lw s1, ((S1 + 3) * 4)(a0)
|
||||
lw s2, ((S2 + 3) * 4)(a0)
|
||||
lw s3, ((S3 + 3) * 4)(a0)
|
||||
lw s4, ((S4 + 3) * 4)(a0)
|
||||
lw s5, ((S5 + 3) * 4)(a0)
|
||||
lw s6, ((S6 + 3) * 4)(a0)
|
||||
lw s7, ((S7 + 3) * 4)(a0)
|
||||
lw v0, ((32 + 38) * 4)(a0) # get fpu status
|
||||
lw sp, ((SP + 3) * 4)(a0)
|
||||
lw s8, ((S8 + 3) * 4)(a0)
|
||||
/* Octeon does not have an FPU */
|
||||
#if !defined(_MIPS_ARCH_OCTEON)
|
||||
ctc1 v0, $31
|
||||
lwc1 $f20, ((20 + 38) * 4)(a0)
|
||||
lwc1 $f21, ((21 + 38) * 4)(a0)
|
||||
lwc1 $f22, ((22 + 38) * 4)(a0)
|
||||
lwc1 $f23, ((23 + 38) * 4)(a0)
|
||||
lwc1 $f24, ((24 + 38) * 4)(a0)
|
||||
lwc1 $f25, ((25 + 38) * 4)(a0)
|
||||
lwc1 $f26, ((26 + 38) * 4)(a0)
|
||||
lwc1 $f27, ((27 + 38) * 4)(a0)
|
||||
lwc1 $f28, ((28 + 38) * 4)(a0)
|
||||
lwc1 $f29, ((29 + 38) * 4)(a0)
|
||||
lwc1 $f30, ((30 + 38) * 4)(a0)
|
||||
lwc1 $f31, ((31 + 38) * 4)(a0)
|
||||
#endif /* _MIPS_ARCH_OCTEON */
|
||||
|
||||
j ra
|
||||
move v0, a1
|
||||
botch:
|
||||
jal _C_LABEL(longjmperror)
|
||||
nop
|
||||
jal _C_LABEL(abort)
|
||||
nop
|
||||
END(_longjmp)
|
||||
Loading…
Reference in New Issue
Block a user