freebsd32_util.h

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    1 /*-
    2  * Copyright (c) 1998-1999 Andrew Gallatin
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer
   10  *    in this position and unchanged.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  * 3. The name of the author may not be used to endorse or promote products
   15  *    derived from this software withough specific prior written permission
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   27  *
   28  * $FreeBSD$
   29  */
   30 
   31 #ifndef _COMPAT_FREEBSD32_FREEBSD32_UTIL_H_
   32 #define _COMPAT_FREEBSD32_FREEBSD32_UTIL_H_
   33 
   34 #include <sys/cdefs.h>
   35 #include <sys/exec.h>
   36 #include <sys/sysent.h>
   37 
   38 #include <vm/vm.h>
   39 #include <vm/vm_param.h>
   40 #include <vm/pmap.h>
   41 
   42 struct freebsd32_ps_strings {
   43         u_int32_t ps_argvstr;   /* first of 0 or more argument strings */
   44         int     ps_nargvstr;    /* the number of argument strings */
   45         u_int32_t ps_envstr;    /* first of 0 or more environment strings */
   46         int     ps_nenvstr;     /* the number of environment strings */
   47 };
   48 
   49 #if defined(__amd64__) || defined(__ia64__)
   50 #include <compat/ia32/ia32_util.h>
   51 #endif
   52 
   53 #define FREEBSD32_PS_STRINGS    \
   54         (FREEBSD32_USRSTACK - sizeof(struct freebsd32_ps_strings))
   55 
   56 extern struct sysent freebsd32_sysent[];
   57 
   58 #define SYSCALL32_MODULE(name, offset, new_sysent, evh, arg)   \
   59 static struct syscall_module_data name##_syscall32_mod = {     \
   60        evh, arg, offset, new_sysent, { 0, NULL }               \
   61 };                                                             \
   62                                                                \
   63 static moduledata_t name##32_mod = {                           \
   64        #name,                                                  \
   65        syscall32_module_handler,                               \
   66        &name##_syscall32_mod                                   \
   67 };                                                             \
   68 DECLARE_MODULE(name##32, name##32_mod, SI_SUB_SYSCALLS, SI_ORDER_MIDDLE)
   69 
   70 #define SYSCALL32_MODULE_HELPER(syscallname)            \
   71 static int syscallname##_syscall32 = FREEBSD32_SYS_##syscallname; \
   72 static struct sysent syscallname##_sysent32 = {         \
   73     (sizeof(struct syscallname ## _args )               \
   74      / sizeof(register_t)),                             \
   75     (sy_call_t *)& syscallname                          \
   76 };                                                      \
   77 SYSCALL32_MODULE(syscallname,                           \
   78     & syscallname##_syscall32, & syscallname##_sysent32,\
   79     NULL, NULL);
   80 
   81 int    syscall32_register(int *offset, struct sysent *new_sysent,
   82             struct sysent *old_sysent);
   83 int    syscall32_deregister(int *offset, struct sysent *old_sysent);
   84 int    syscall32_module_handler(struct module *mod, int what, void *arg);
   85 
   86 #endif /* !_COMPAT_FREEBSD32_FREEBSD32_UTIL_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/compat/freebsd32/freebsd32_util.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/freebsd32/freebsd32_util.h