NetBSD/sys/compat/netbsd32/netbsd32_exec.h

126 lines
4.3 KiB
C

/* $NetBSD: netbsd32_exec.h,v 1.10 2001/08/25 15:06:02 mrg Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#ifndef _NETBSD32_EXEC_H_
#define _NETBSD32_EXEC_H_
#include <compat/netbsd32/netbsd32.h>
/* from <sys/exec_aout.h> */
/*
* Header prepended to each a.out file.
* only manipulate the a_midmag field via the
* N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below.
*/
struct netbsd32_exec {
netbsd32_u_long a_midmag; /* htonl(flags<<26 | mid<<16 | magic) */
netbsd32_u_long a_text; /* text segment size */
netbsd32_u_long a_data; /* initialized data size */
netbsd32_u_long a_bss; /* uninitialized data size */
netbsd32_u_long a_syms; /* symbol table size */
netbsd32_u_long a_entry; /* entry point */
netbsd32_u_long a_trsize; /* text relocation size */
netbsd32_u_long a_drsize; /* data relocation size */
};
extern const struct emul emul_netbsd32;
#ifdef EXEC_AOUT
int netbsd32_exec_aout_prep_zmagic __P((struct proc *, struct exec_package *));
int netbsd32_exec_aout_prep_nmagic __P((struct proc *, struct exec_package *));
int netbsd32_exec_aout_prep_omagic __P((struct proc *, struct exec_package *));
int exec_netbsd32_makecmds __P((struct proc *, struct exec_package *));
#endif
#ifdef EXEC_ELF32
int netbsd32_elf32_probe __P((struct proc *, struct exec_package *, void *,
char *, vaddr_t *));
int netbsd32_elf32_copyargs __P((struct exec_package *, struct ps_strings *,
char **, void *));
#endif /* EXEC_ELF32 */
static __inline int netbsd32_copyargs __P((struct exec_package *,
struct ps_strings *, char **, void *));
/*
* We need to copy out all pointers as 32-bit values.
*/
static __inline int
netbsd32_copyargs(pack, arginfo, stackp, argp)
struct exec_package *pack;
struct ps_strings *arginfo;
char **stackp;
void *argp;
{
u_int32_t *cpp = (u_int32_t *)*stackp;
u_int32_t dp;
u_int32_t nullp = 0;
char *sp;
size_t len;
int argc = arginfo->ps_nargvstr;
int envc = arginfo->ps_nenvstr;
int error;
if ((error = copyout(&argc, cpp++, sizeof(argc))) != 0)
return error;
dp = (u_long) (cpp + argc + envc + 2 + pack->ep_esch->es_arglen);
sp = argp;
/* XXX don't copy them out, remap them! */
/* remember location of argv for later */
arginfo->ps_argvstr = (char **)(u_long)cpp;
for (; --argc >= 0; sp += len, dp += len) {
if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 ||
(error = copyoutstr(sp, (char *)(u_long)dp,
ARG_MAX, &len)) != 0)
return error;
}
if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
return error;
/* remember location of envp for later */
arginfo->ps_envstr = (char **)(u_long)cpp;
for (; --envc >= 0; sp += len, dp += len) {
if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 ||
(error = copyoutstr(sp, (char *)(u_long)dp,
ARG_MAX, &len)) != 0)
return error;
}
if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
return error;
*stackp = (char *)cpp;
return 0;
}
#endif /* !_NETBSD32_EXEC_H_ */