these were only relevant for a.out builds; time to sleep forever...

This commit is contained in:
mrg 2010-07-06 06:04:58 +00:00
parent 4c92852a80
commit 0b9686b0cc
2 changed files with 0 additions and 179 deletions

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/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
/* .asciz "@(#)setjmp.s 8.1 (Berkeley) 6/4/93" */
.asciz "$NetBSD: compat_setjmp.S,v 1.1 2006/02/18 22:54:51 matt Exp $"
#endif /* LIBC_SCCS and not lint */
/*
* 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,
* and a struct sigcontext, see <signal.h>
*/
#include "DEFS.h"
#include "assym.h"
ENTRY(setjmp, R6)
movl 4(%ap),%r6 # construct sigcontext
subl2 $12,%sp # space for current struct sigstack
pushl %sp # get current values
pushl $0 # no new values
calls $4,_C_LABEL(__sigaltstack14) # pop args plus signal stack value
movl (%sp)+,(%r6)+ # save onsigstack status of caller
subl2 $SS_LEN,%sp
pushl %sp
pushl $0
pushl $SIG_BLOCK
calls $3,_C_LABEL(sigprocmask)# get signal mask
movl (%sp),(%r6)+ # save signal mask of caller
movl (%ap),%r0
moval 4(%ap)[%r0],(%r6)+ # save sp of caller
movl 12(%fp),(%r6)+ # save frame pointer of caller
movl 8(%fp),(%r6)+ # save argument pointer of caller
movl 16(%fp),(%r6)+ # save pc of caller
movpsl (%r6) # save psl of caller
movw 4(%fp),(%r6)
clrl %r0
ret
ENTRY(longjmp, 0)
movl 8(%ap),%r0 # return(v)
movl 4(%ap),%r1 # fetch buffer
tstl 12(%r1)
beql botch
loop:
cmpl 12(%r1),%fp # are we there yet?
beql done
blssu botch
moval 20(%fp),%r2
blbc 6(%fp),1f # was %r0 saved?
movl %r0,(%r2)+
1:
bbc $1,6(%fp),2f # was %r1 saved?
movl %r1,(%r2)
2:
movab loop,16(%fp)
ret # pop another frame
done:
pushl SC13_LEN+20(%r1) # here we fake a sigcontext
pushl SC13_LEN+16(%r1) # from a sigcontext13
pushl SC13_LEN+12(%r1)
pushl SC13_LEN+8(%r1) # first do save registers
pushl SC13_LEN+4(%r1)
pushl SC13_LEN+0(%r1)
pushl $0 # fill out the sigset
pushl $0
pushl $0
pushl SC13_MASK(%r1)
pushl SC13_PS(%r1) # now do everything else
pushl SC13_PC(%r1)
pushl SC13_AP(%r1)
pushl SC13_FP(%r1)
pushl SC13_AP(%r1)
pushl $0
pushl SC13_ONSTACK(%r1)
movl %sp,%r1
pushl %r0 # the return value
pushl %r1 # the sigcontext
calls $2,_C_LABEL(__longjmp14)
botch:
calls $0,_C_LABEL(longjmperror)
halt

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/*
* Copyright (c) 1983, 1993, 1995
* The Regents of the University of California. All rights reserved.
*
* 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. 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.
*/
#if defined(LIBC_SCCS) && !defined(lint)
.asciz "$NetBSD: compat_sigsetjmp.S,v 1.1 2006/02/18 22:54:51 matt Exp $"
#endif /* LIBC_SCCS and not lint */
/*
* C library -- sigsetjmp, siglongjmp
*
* siglongjmp(a,v)
* will generate a "return(v)" from
* the last call to
* sigsetjmp(a, savemask)
* by restoring registers from the stack,
* and dependent on savemask restores the
* signal mask.
*/
#include "DEFS.h"
#include <machine/setjmp.h>
ENTRY(sigsetjmp, R6)
movl 4(%ap),%r0 # get env pointer
movl 8(%ap),(_JBLEN*4)(%r0) # save "savemask"
tstl 8(%ap) # do saving of signal mask?
beql L1
jmp _C_LABEL(setjmp)+2 # yep, do full setjmp
L1: jmp _C_LABEL(_setjmp)+2 # nope, skip to _setjmp
ENTRY(siglongjmp, 0)
movl 4(%ap),%r0 # get env pointer
tstl (_JBLEN*4)(%r0) # test if "savemask" was set
beql L2
jmp _C_LABEL(longjmp)+2 # yep, do full longjmp
L2: jmp _C_LABEL(_longjmp)+2 # nope, skip to _longjmp