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 #include <sys/uio.h> 38 39 #include <vm/vm.h> 40 #include <vm/vm_param.h> 41 #include <vm/pmap.h> 42 43 struct freebsd32_ps_strings { 44 u_int32_t ps_argvstr; /* first of 0 or more argument strings */ 45 int ps_nargvstr; /* the number of argument strings */ 46 u_int32_t ps_envstr; /* first of 0 or more environment strings */ 47 int ps_nenvstr; /* the number of environment strings */ 48 }; 49 50 #if defined(__amd64__) 51 #include <compat/ia32/ia32_util.h> 52 #endif 53 54 #define FREEBSD32_PS_STRINGS \ 55 (FREEBSD32_USRSTACK - sizeof(struct freebsd32_ps_strings)) 56 57 extern struct sysent freebsd32_sysent[]; 58 59 #define SYSCALL32_MODULE(name, offset, new_sysent, evh, arg) \ 60 static struct syscall_module_data name##_syscall32_mod = { \ 61 evh, arg, offset, new_sysent, { 0, NULL } \ 62 }; \ 63 \ 64 static moduledata_t name##32_mod = { \ 65 "sys32/" #name, \ 66 syscall32_module_handler, \ 67 &name##_syscall32_mod \ 68 }; \ 69 DECLARE_MODULE(name##32, name##32_mod, SI_SUB_SYSCALLS, SI_ORDER_MIDDLE) 70 71 #define SYSCALL32_MODULE_HELPER(syscallname) \ 72 static int syscallname##_syscall32 = FREEBSD32_SYS_##syscallname; \ 73 static struct sysent syscallname##_sysent32 = { \ 74 (sizeof(struct syscallname ## _args ) \ 75 / sizeof(register_t)), \ 76 (sy_call_t *)& syscallname \ 77 }; \ 78 SYSCALL32_MODULE(syscallname, \ 79 & syscallname##_syscall32, & syscallname##_sysent32,\ 80 NULL, NULL); 81 82 #define SYSCALL32_INIT_HELPER(syscallname) { \ 83 .new_sysent = { \ 84 .sy_narg = (sizeof(struct syscallname ## _args ) \ 85 / sizeof(register_t)), \ 86 .sy_call = (sy_call_t *)& syscallname, \ 87 }, \ 88 .syscall_no = FREEBSD32_SYS_##syscallname \ 89 } 90 91 #define SYSCALL32_INIT_HELPER_COMPAT(syscallname) { \ 92 .new_sysent = { \ 93 .sy_narg = (sizeof(struct syscallname ## _args ) \ 94 / sizeof(register_t)), \ 95 .sy_call = (sy_call_t *)& sys_ ## syscallname, \ 96 }, \ 97 .syscall_no = FREEBSD32_SYS_##syscallname \ 98 } 99 100 int syscall32_register(int *offset, struct sysent *new_sysent, 101 struct sysent *old_sysent, int flags); 102 int syscall32_deregister(int *offset, struct sysent *old_sysent); 103 int syscall32_module_handler(struct module *mod, int what, void *arg); 104 int syscall32_helper_register(struct syscall_helper_data *sd, int flags); 105 int syscall32_helper_unregister(struct syscall_helper_data *sd); 106 107 struct iovec32; 108 struct rusage32; 109 register_t *freebsd32_copyout_strings(struct image_params *imgp); 110 int freebsd32_copyiniov(struct iovec32 *iovp, u_int iovcnt, 111 struct iovec **iov, int error); 112 void freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32); 113 114 struct image_args; 115 int freebsd32_exec_copyin_args(struct image_args *args, char *fname, 116 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv); 117 118 #endif /* !_COMPAT_FREEBSD32_FREEBSD32_UTIL_H_ */ 119