1 /*- 2 * Copyright (c) 2012 Gleb Kurtsou <gleb@FreeBSD.org> 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #ifndef _GEN_COMPAT_H_ 28 #define _GEN_COMPAT_H_ 29 30 #include <dirent.h> 31 32 #define FREEBSD11_DIRSIZ(dp) \ 33 (sizeof(struct freebsd11_dirent) - sizeof((dp)->d_name) + \ 34 (((dp)->d_namlen + 1 + 3) &~ 3)) 35 36 struct freebsd11_dirent; 37 struct freebsd11_stat; 38 struct freebsd11_statfs; 39 40 struct freebsd11_dirent *freebsd11_readdir(DIR *); 41 int freebsd11_readdir_r(DIR *, struct freebsd11_dirent *, 42 struct freebsd11_dirent **); 43 44 int freebsd11_getmntinfo(struct freebsd11_statfs **, int); 45 46 char *freebsd11_devname(__uint32_t dev, __mode_t type); 47 char *freebsd11_devname_r(__uint32_t dev, __mode_t type, char *buf, 48 int len); 49 50 /* 51 * We want freebsd11_fstat in C source to result in resolution to 52 * - fstat@FBSD_1.0 for libc.so (but we do not need the _definition_ 53 * of this fstat, it is provided by libsys.so which we want to use). 54 * - freebsd11_fstat for libc.a (since if we make it fstat@FBSD_1.0 55 * for libc.a, then final linkage into static object ignores version 56 * and would reference fstat, which is the current syscall, not the 57 * compat syscall). libc.a provides the freebsd11_fstat implementation. 58 * Note that freebsd11_fstat from libc.a is not used for anything, but 59 * we make it correct nonetheless, just in case it would. 60 * This is arranged by COMPAT_SYSCALL, and libc can just use freebsd11_fstat. 61 */ 62 #ifdef PIC 63 #define COMPAT_SYSCALL(rtype, fun, args, sym, ver) \ 64 rtype fun args; __sym_compat(sym, fun, ver); 65 #else 66 #define COMPAT_SYSCALL(rtype, fun, args, sym, ver) \ 67 rtype fun args; 68 #endif 69 70 COMPAT_SYSCALL(int, freebsd11_stat, (const char *, struct freebsd11_stat *), 71 stat, FBSD_1.0); 72 COMPAT_SYSCALL(int, freebsd11_lstat, (const char *, struct freebsd11_stat *), 73 lstat, FBSD_1.0); 74 COMPAT_SYSCALL(int, freebsd11_fstat, (int, struct freebsd11_stat *), 75 fstat, FBSD_1.0); 76 COMPAT_SYSCALL(int, freebsd11_fstatat, (int, const char *, 77 struct freebsd11_stat *, int), fstatat, FBSD_1.1); 78 79 COMPAT_SYSCALL(int, freebsd11_statfs, (const char *, 80 struct freebsd11_statfs *), statfs, FBSD_1.0); 81 COMPAT_SYSCALL(int, freebsd11_getfsstat, (struct freebsd11_statfs *, long, 82 int), getfsstat, FBSD_1.0); 83 84 COMPAT_SYSCALL(int, freebsd14_setgroups, (int gidsize, const __gid_t *gidset), 85 setgroups, FBSD_1.0); 86 87 #undef COMPAT_SYSCALL 88 89 #endif /* _GEN_COMPAT_H_ */ 90