From 33d730684efbe9f9343a07a6f4259e322d22f63e Mon Sep 17 00:00:00 2001 From: Michal Meloun Date: Sun, 13 Aug 2023 10:41:44 +0200 Subject: [PATCH] bsd-user: Implement freebsd11 fstat and fhstat related syscalls Implement the freebsd11 variant of the following syscalls: fstat(2) fstatat(2) fhstat(2) fhstatfs(2) Co-authored-by: Stacey Son Signed-off-by: Stacey Son Signed-off-by: Michal Meloun Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Signed-off-by: Warner Losh --- bsd-user/freebsd/os-stat.h | 78 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/bsd-user/freebsd/os-stat.h b/bsd-user/freebsd/os-stat.h index aef55c8bb5..2e0c7245df 100644 --- a/bsd-user/freebsd/os-stat.h +++ b/bsd-user/freebsd/os-stat.h @@ -24,6 +24,17 @@ int freebsd11_stat(const char *path, struct freebsd11_stat *stat); __sym_compat(stat, freebsd11_stat, FBSD_1.0); int freebsd11_lstat(const char *path, struct freebsd11_stat *stat); __sym_compat(lstat, freebsd11_lstat, FBSD_1.0); +int freebsd11_fstat(int fd, struct freebsd11_stat *stat); +__sym_compat(fstat, freebsd11_fstat, FBSD_1.0); +int freebsd11_fstatat(int fd, const char *path, struct freebsd11_stat *stat, + int flag); +__sym_compat(fstatat, freebsd11_fstatat, FBSD_1.1); + +int freebsd11_fhstat(const fhandle_t *fhandle, struct freebsd11_stat *stat); +__sym_compat(fhstat, freebsd11_fhstat, FBSD_1.0); +int freebsd11_fhstatfs(const fhandle_t *fhandle, struct freebsd11_statfs * buf); +__sym_compat(fhstatfs, freebsd11_fhstatfs, FBSD_1.0); +int freebsd11_statfs(const char *path, struct freebsd11_statfs *buf); /* stat(2) */ static inline abi_long do_freebsd11_stat(abi_long arg1, abi_long arg2) @@ -57,6 +68,19 @@ static inline abi_long do_freebsd11_lstat(abi_long arg1, abi_long arg2) return ret; } +/* fstat(2) */ +static inline abi_long do_freebsd11_fstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + struct freebsd11_stat st; + + ret = get_errno(freebsd11_fstat(arg1, &st)); + if (!is_error(ret)) { + ret = h2t_freebsd11_stat(arg2, &st); + } + return ret; +} + /* fstat(2) */ static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2) { @@ -70,6 +94,23 @@ static inline abi_long do_freebsd_fstat(abi_long arg1, abi_long arg2) return ret; } +/* fstatat(2) */ +static inline abi_long do_freebsd11_fstatat(abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4) +{ + abi_long ret; + void *p; + struct freebsd11_stat st; + + LOCK_PATH(p, arg2); + ret = get_errno(freebsd11_fstatat(arg1, p, &st, arg4)); + UNLOCK_PATH(p, arg2); + if (!is_error(ret) && arg3) { + ret = h2t_freebsd11_stat(arg3, &st); + } + return ret; +} + /* fstatat(2) */ static inline abi_long do_freebsd_fstatat(abi_long arg1, abi_long arg2, abi_long arg3, abi_long arg4) @@ -178,6 +219,24 @@ static inline abi_long do_freebsd_fhopen(abi_long arg1, abi_long arg2) return get_errno(fhopen(&host_fh, arg2)); } +/* fhstat(2) */ +static inline abi_long do_freebsd11_fhstat(abi_long arg1, abi_long arg2) +{ + abi_long ret; + fhandle_t host_fh; + struct freebsd11_stat host_sb; + + ret = t2h_freebsd_fhandle(&host_fh, arg1); + if (is_error(ret)) { + return ret; + } + ret = get_errno(freebsd11_fhstat(&host_fh, &host_sb)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd11_stat(arg2, &host_sb); +} + /* fhstat(2) */ static inline abi_long do_freebsd_fhstat(abi_long arg1, abi_long arg2) { @@ -196,6 +255,25 @@ static inline abi_long do_freebsd_fhstat(abi_long arg1, abi_long arg2) return h2t_freebsd_stat(arg2, &host_sb); } +/* fhstatfs(2) */ +static inline abi_long do_freebsd11_fhstatfs(abi_ulong target_fhp_addr, + abi_ulong target_stfs_addr) +{ + abi_long ret; + fhandle_t host_fh; + struct freebsd11_statfs host_stfs; + + ret = t2h_freebsd_fhandle(&host_fh, target_fhp_addr); + if (is_error(ret)) { + return ret; + } + ret = get_errno(freebsd11_fhstatfs(&host_fh, &host_stfs)); + if (is_error(ret)) { + return ret; + } + return h2t_freebsd11_statfs(target_stfs_addr, &host_stfs); +} + /* fhstatfs(2) */ static inline abi_long do_freebsd_fhstatfs(abi_ulong target_fhp_addr, abi_ulong target_stfs_addr) -- 2.39.5