Add ns32k ucontext userland portions. Untested, but compiled in the
recent past and presumed working.
This commit is contained in:
kleink
parent
0dd40ac3d5
commit
8b314175ec
@ -1,4 +1,4 @@
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# $NetBSD: Makefile.inc,v 1.14 2002/02/19 13:08:24 simonb Exp $
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# $NetBSD: Makefile.inc,v 1.15 2003/01/21 21:03:25 kleink Exp $
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# objects built from assembler sources (need lint stubs)
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ASSRCS+=alloca.S fabs.S modf.S
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@ -7,6 +7,8 @@ ASSRCS+=__setjmp14.S
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ASSRCS+=_setjmp.S
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ASSRCS+=__sigsetjmp14.S
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ASSRCS+=resumecontext.S swapcontext.S
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# objects built from assembler sources (without lint stubs)
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SRCS+= setjmp.S sigsetjmp.S
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@ -18,3 +20,8 @@ SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
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# Common ieee754 constants and functions
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SRCS+= ieee754_nanf.c ieee754_infinity.c
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SRCS+= ieee754_frexp.c ieee754_isinf.c ieee754_isnan.c ieee754_ldexp.c
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SRCS+= makecontext.c
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LSRCS+= Lint_resumecontext.c Lint_swapcontext.c
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DPSRCS+= Lint_resumecontext.c Lint_swapcontext.c
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97
lib/libc/arch/ns32k/gen/makecontext.c
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97
lib/libc/arch/ns32k/gen/makecontext.c
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@ -0,0 +1,97 @@
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/* $NetBSD: makecontext.c,v 1.1 2003/01/21 21:03:25 kleink Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: makecontext.c,v 1.1 2003/01/21 21:03:25 kleink Exp $");
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#endif
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#include <inttypes.h>
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#include <stddef.h>
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#include <ucontext.h>
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#include "extern.h"
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#if __STDC__
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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void
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#if __STDC__
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makecontext(ucontext_t *ucp, void (*func)(void), int argc, ...)
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#else
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makecontext(ucp, func, argc, va_alist)
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ucontext_t *ucp;
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void (*func)();
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int argc;
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va_dcl
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#endif
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{
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__greg_t *gr = ucp->uc_mcontext.__gregs;
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unsigned int *sp;
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va_list ap;
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/* LINTED __greg_t is safe */
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gr[_REG_PC] = (__greg_t)func;
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/* LINTED uintptr_t is safe */
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sp = (int *)((uintptr_t)ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
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/* LINTED uintptr_t is safe */
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sp = (int *)((uintptr_t)sp & ~0x3); /* Align on word boundary. */
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sp -= (argc + 1); /* Make room for ret and args. */
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/* LINTED __greg_t is safe */
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gr[_REG_SP] = (__greg_t)sp;
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gr[_REG_FP] = (__greg_t)0; /* Wipe out frame pointer. */
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/* Put return address on top of stack. */
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/* LINTED uintptr_t is safe */
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*sp++ = (uintptr_t)_resumecontext;
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/* Construct argument list. */
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#if __STDC__
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va_start(ap, argc);
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#else
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va_start(ap);
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#endif
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while (argc-- > 0) {
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/* LINTED uintptr_t is safe */
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*sp++ = va_arg(ap, uintptr_t);
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}
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va_end(ap);
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}
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58
lib/libc/arch/ns32k/gen/resumecontext.S
Normal file
58
lib/libc/arch/ns32k/gen/resumecontext.S
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@ -0,0 +1,58 @@
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/* $NetBSD: resumecontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: resumecontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $")
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#endif /* LIBC_SCCS && !lint */
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/*
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* This assembly-language implementation differs from the (obvious)
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* C-language implementation only in not clobbering the previous
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* function's return address (us), which is the point of the exercise.
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*/
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ENTRY_NOPROFILE(_resumecontext) /* profiling prologue would clobber TOS */
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adjspd (4 + 120)
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addr 0(sp),tos
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bsr _C_LABEL(_getcontext)
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adjspd -4
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addr 0(4(sp)),tos
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bsr _C_LABEL(setcontext)
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/* NOTREACHED */
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60
lib/libc/arch/ns32k/gen/swapcontext.S
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60
lib/libc/arch/ns32k/gen/swapcontext.S
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@ -0,0 +1,60 @@
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/* $NetBSD: swapcontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "SYS.h"
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: swapcontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $")
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#endif /* SYSLIBC_SCCS && !lint */
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ENTRY(swapcontext)
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movd S_ARG0,tos /* push oucp */
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bsr _C_LABEL(_getcontext) /* getcontext(oucp) */
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adjspd -4
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cmpqd 0,r0 /* success? */
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bne 0f
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movd S_ARG0,r2
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addr 4(sp),(36 + 8 * 4)(r2) /* Adjust saved sp ... */
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movd 0(sp),(36 + 11 * 4)(r2) /* ... and pc. */
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/* Note: a return value of 0 has been arranged for by getcontext(). */
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movd S_ARG1,tos /* push ucp */
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bsr _C_LABEL(setcontext) /* setcontext(ucp) */
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adjspd -4
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/* No need to error-check: setcontext() must have failed. */
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0:
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ret 0
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54
lib/libc/arch/ns32k/sys/getcontext.S
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54
lib/libc/arch/ns32k/sys/getcontext.S
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@ -0,0 +1,54 @@
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/* $NetBSD: getcontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Klaus Klein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "SYS.h"
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: getcontext.S,v 1.1 2003/01/21 21:03:25 kleink Exp $")
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#endif /* SYSLIBC_SCCS && !lint */
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(getcontext, _getcontext)
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#endif
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_SYSCALL(_getcontext, getcontext)
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movd S_ARG0,r2
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addr 4(sp),(36 + 8 * 4)(r2) /* Adjust saved sp ... */
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movd 0(sp),(36 + 11 * 4)(r2) /* ... and pc. */
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movqd 0,(36 + 7 * 4)(r2) /* Arrange for a return value of 0. */
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ret 0
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