diff options
Diffstat (limited to 'lib/libc/gen/gen-compat.h')
| -rw-r--r-- | lib/libc/gen/gen-compat.h | 48 |
1 files changed, 41 insertions, 7 deletions
diff --git a/lib/libc/gen/gen-compat.h b/lib/libc/gen/gen-compat.h index 08e80ede6b6e..19b9addb4321 100644 --- a/lib/libc/gen/gen-compat.h +++ b/lib/libc/gen/gen-compat.h @@ -40,16 +40,50 @@ struct freebsd11_statfs; struct freebsd11_dirent *freebsd11_readdir(DIR *); int freebsd11_readdir_r(DIR *, struct freebsd11_dirent *, struct freebsd11_dirent **); -int freebsd11_stat(const char *, struct freebsd11_stat *); -int freebsd11_lstat(const char *, struct freebsd11_stat *); -int freebsd11_fstat(int, struct freebsd11_stat *); -int freebsd11_fstatat(int, const char *, struct freebsd11_stat *, int); -int freebsd11_statfs(const char *, struct freebsd11_statfs *); -int freebsd11_getfsstat(struct freebsd11_statfs *, long, int); int freebsd11_getmntinfo(struct freebsd11_statfs **, int); char *freebsd11_devname(__uint32_t dev, __mode_t type); -char *freebsd11_devname_r(__uint32_t dev, __mode_t type, char *buf, int len); +char *freebsd11_devname_r(__uint32_t dev, __mode_t type, char *buf, + int len); + +/* + * We want freebsd11_fstat in C source to result in resolution to + * - fstat@FBSD_1.0 for libc.so (but we do not need the _definition_ + * of this fstat, it is provided by libsys.so which we want to use). + * - freebsd11_fstat for libc.a (since if we make it fstat@FBSD_1.0 + * for libc.a, then final linkage into static object ignores version + * and would reference fstat, which is the current syscall, not the + * compat syscall). libc.a provides the freebsd11_fstat implementation. + * Note that freebsd11_fstat from libc.a is not used for anything, but + * we make it correct nonetheless, just in case it would. + * This is arranged by COMPAT_SYSCALL, and libc can just use freebsd11_fstat. + */ +#ifdef PIC +#define COMPAT_SYSCALL(rtype, fun, args, sym, ver) \ + rtype fun args; __sym_compat(sym, fun, ver); +#else +#define COMPAT_SYSCALL(rtype, fun, args, sym, ver) \ + rtype fun args; +#endif + +COMPAT_SYSCALL(int, freebsd11_stat, (const char *, struct freebsd11_stat *), + stat, FBSD_1.0); +COMPAT_SYSCALL(int, freebsd11_lstat, (const char *, struct freebsd11_stat *), + lstat, FBSD_1.0); +COMPAT_SYSCALL(int, freebsd11_fstat, (int, struct freebsd11_stat *), + fstat, FBSD_1.0); +COMPAT_SYSCALL(int, freebsd11_fstatat, (int, const char *, + struct freebsd11_stat *, int), fstatat, FBSD_1.1); + +COMPAT_SYSCALL(int, freebsd11_statfs, (const char *, + struct freebsd11_statfs *), statfs, FBSD_1.0); +COMPAT_SYSCALL(int, freebsd11_getfsstat, (struct freebsd11_statfs *, long, + int), getfsstat, FBSD_1.0); + +COMPAT_SYSCALL(int, freebsd14_setgroups, (int gidsize, const __gid_t *gidset), + setgroups, FBSD_1.0); + +#undef COMPAT_SYSCALL #endif /* _GEN_COMPAT_H_ */ |