5cb0e301a4
since it isn't needed here anymore. Use standard open(2)/access(2) and chflags(2) syscalls now.
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*-
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* Copyright (c) 1998-1999 Andrew Gallatin
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* All rights reserved.
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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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* in this position and unchanged.
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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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/pmap.h>
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#include <sys/exec.h>
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#include <sys/sysent.h>
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#include <sys/cdefs.h>
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struct freebsd32_ps_strings {
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u_int32_t ps_argvstr; /* first of 0 or more argument strings */
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int ps_nargvstr; /* the number of argument strings */
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u_int32_t ps_envstr; /* first of 0 or more environment strings */
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int ps_nenvstr; /* the number of environment strings */
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};
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#if defined(__amd64__) || defined(__ia64__)
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#include <compat/ia32/ia32_util.h>
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#endif
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#define FREEBSD32_PS_STRINGS \
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(FREEBSD32_USRSTACK - sizeof(struct freebsd32_ps_strings))
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static __inline caddr_t stackgap_init(void);
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static __inline void *stackgap_alloc(caddr_t *, size_t);
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static __inline caddr_t
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stackgap_init()
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{
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#define szsigcode (*(curproc->p_sysent->sv_szsigcode))
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return (caddr_t)(((caddr_t)FREEBSD32_PS_STRINGS) - szsigcode -
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SPARE_USRSPACE);
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#undef szsigcode
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}
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static __inline void *
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stackgap_alloc(sgp, sz)
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caddr_t *sgp;
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size_t sz;
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{
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void *p;
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p = (void *) *sgp;
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*sgp += ALIGN(sz);
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return p;
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}
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