120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/* $NetBSD: netbsd32_exec.h,v 1.8 2001/02/02 07:08:17 mrg Exp $ */
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/*
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* Copyright (c) 1998 Matthew R. Green
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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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* 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 without 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,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _NETBSD32_EXEC_H_
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#define _NETBSD32_EXEC_H_
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#include <compat/netbsd32/netbsd32.h>
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/* from <sys/exec_aout.h> */
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/*
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* Header prepended to each a.out file.
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* only manipulate the a_midmag field via the
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* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below.
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*/
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struct netbsd32_exec {
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netbsd32_u_long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
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netbsd32_u_long a_text; /* text segment size */
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netbsd32_u_long a_data; /* initialized data size */
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netbsd32_u_long a_bss; /* uninitialized data size */
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netbsd32_u_long a_syms; /* symbol table size */
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netbsd32_u_long a_entry; /* entry point */
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netbsd32_u_long a_trsize; /* text relocation size */
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netbsd32_u_long a_drsize; /* data relocation size */
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};
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extern const struct emul emul_netbsd32;
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#ifdef EXEC_AOUT
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int netbsd32_exec_aout_prep_zmagic __P((struct proc *, struct exec_package *));
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int netbsd32_exec_aout_prep_nmagic __P((struct proc *, struct exec_package *));
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int netbsd32_exec_aout_prep_omagic __P((struct proc *, struct exec_package *));
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int exec_netbsd32_makecmds __P((struct proc *, struct exec_package *));
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#endif
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#ifdef EXEC_ELF32
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int netbsd32_elf32_probe __P((struct proc *, struct exec_package *, void *,
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char *, vaddr_t *));
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void *netbsd32_elf32_copyargs __P((struct exec_package *, struct ps_strings *,
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void *, void *));
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#endif /* EXEC_ELF32 */
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static __inline void *netbsd32_copyargs __P((struct exec_package *,
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struct ps_strings *, void *, void *));
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/*
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* We need to copy out all pointers as 32-bit values.
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*/
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static __inline void *
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netbsd32_copyargs(pack, arginfo, stack, argp)
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struct exec_package *pack;
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struct ps_strings *arginfo;
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void *stack;
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void *argp;
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{
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u_int32_t *cpp = stack;
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u_int32_t dp;
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u_int32_t nullp = 0;
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char *sp;
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size_t len;
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int argc = arginfo->ps_nargvstr;
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int envc = arginfo->ps_nenvstr;
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if (copyout(&argc, cpp++, sizeof(argc)))
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return NULL;
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dp = (u_long) (cpp + argc + envc + 2 + pack->ep_esch->es_arglen);
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sp = argp;
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/* XXX don't copy them out, remap them! */
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arginfo->ps_argvstr = (char **)(u_long)cpp; /* remember location of argv for later */
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for (; --argc >= 0; sp += len, dp += len) {
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if (copyout(&dp, cpp++, sizeof(dp)) ||
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copyoutstr(sp, (char *)(u_long)dp, ARG_MAX, &len))
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return NULL;
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}
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if (copyout(&nullp, cpp++, sizeof(nullp)))
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return NULL;
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arginfo->ps_envstr = (char **)(u_long)cpp; /* remember location of envp for later */
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for (; --envc >= 0; sp += len, dp += len) {
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if (copyout(&dp, cpp++, sizeof(dp)) ||
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copyoutstr(sp, (char *)(u_long)dp, ARG_MAX, &len))
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return NULL;
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}
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if (copyout(&nullp, cpp++, sizeof(nullp)))
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return NULL;
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return cpp;
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}
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#endif /* !_NETBSD32_EXEC_H_ */
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