#ifndef _ISOMAC
# include <xstatver.h>
+# include <stdbool.h>
+
+static inline bool
+in_ino_t_range (__ino64_t v)
+{
+ __ino_t s = v;
+ return s == v;
+}
+
+static inline bool
+in_off_t_range (__off64_t v)
+{
+ __off_t s = v;
+ return s == v;
+}
+
+static inline bool
+in_blkcnt_t_range (__blkcnt64_t v)
+{
+ __blkcnt_t s = v;
+ return s == v;
+}
/* Now define the internal interfaces. */
extern int __stat (const char *__file, struct stat *__buf);
int __lxstat64 (int ver, const char *__filename, struct stat64 *__stat_buf);
int __fxstatat64 (int ver, int __fildes, const char *__filename,
struct stat64 *__stat_buf, int __flag);
+
+# ifdef NO_RTLD_HIDDEN
+/* These are still required for Hurd. */
libc_hidden_proto (__fxstat);
libc_hidden_proto (__xstat);
libc_hidden_proto (__lxstat);
libc_hidden_proto (__fxstatat);
-# if IS_IN (libc) || (IS_IN (rtld) && !defined NO_RTLD_HIDDEN)
+# if IS_IN (libc)
hidden_proto (__fxstat64);
hidden_proto (__xstat64);
hidden_proto (__lxstat64);
hidden_proto (__fxstatat64);
-# endif
-
-# ifdef NO_RTLD_HIDDEN
-/* These are still required for Hurd. */
+# endif
# define stat(fname, buf) __xstat (_STAT_VER, fname, buf)
# define lstat(fname, buf) __lxstat (_STAT_VER, fname, buf)
# define __lstat(fname, buf) __lxstat (_STAT_VER, fname, buf)
}
}
}
-hidden_def (__fxstat64)
strong_alias (__fxstat64, __fxstat);
-hidden_ver (__fxstat64, __fxstat)
{
return INLINE_SYSCALL_CALL (fstatat64, fd, file, st, flag);
}
-libc_hidden_def (__fxstatat64)
-#if IS_IN(libc)
strong_alias (__fxstatat64, __fxstatat);
-hidden_ver (__fxstatat64, __fxstatat)
-#endif
}
}
weak_alias (__lxstat64, __lxstat);
-weak_alias (__lxstat64, __GI___lxstat);
-
-hidden_def (__lxstat64)
}
}
weak_alias (__xstat64, __xstat);
-weak_alias (__xstat64, __GI___xstat);
-
-hidden_def (__xstat64)
#include <sys/stat.h>
#include <kernel_stat.h>
+#include <sysdep.h>
#if !XSTAT_IS_XSTAT64
+# include <kstat_cp.h>
+
int
__fstatat (int fd, const char *file, struct stat *buf, int flag)
{
- return __fxstatat (_STAT_VER, fd, file, buf, flag);
+# if STAT_IS_KERNEL_STAT
+ /* New kABIs which uses generic pre 64-bit time Linux ABI, e.g.
+ csky, nios2 */
+ int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, buf, flag);
+ if (r == 0 && (buf->__st_ino_pad != 0
+ || buf->__st_size_pad != 0
+ || buf->__st_blocks_pad != 0))
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
+ return r;
+# else
+# ifdef __NR_fstatat64
+ /* Old KABIs with old non-LFS support, e.g. arm, i386, hppa, m68k, mips32,
+ microblaze, s390, sh, powerpc, and sparc. */
+ struct stat64 st64;
+ int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &st64, flag);
+ if (r == 0)
+ {
+ if (! in_ino_t_range (st64.st_ino)
+ || ! in_off_t_range (st64.st_size)
+ || ! in_blkcnt_t_range (st64.st_blocks))
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
+
+ /* Clear internal pad and reserved fields. */
+ memset (buf, 0, sizeof (*buf));
+
+ buf->st_dev = st64.st_dev,
+ buf->st_ino = st64.st_ino;
+ buf->st_mode = st64.st_mode;
+ buf->st_nlink = st64.st_nlink;
+ buf->st_uid = st64.st_uid;
+ buf->st_gid = st64.st_gid;
+ buf->st_rdev = st64.st_rdev;
+ buf->st_size = st64.st_size;
+ buf->st_blksize = st64.st_blksize;
+ buf->st_blocks = st64.st_blocks;
+ buf->st_atim.tv_sec = st64.st_atim.tv_sec;
+ buf->st_atim.tv_nsec = st64.st_atim.tv_nsec;
+ buf->st_mtim.tv_sec = st64.st_mtim.tv_sec;
+ buf->st_mtim.tv_nsec = st64.st_mtim.tv_nsec;
+ buf->st_ctim.tv_sec = st64.st_ctim.tv_sec;
+ buf->st_ctim.tv_nsec = st64.st_ctim.tv_nsec;
+ }
+ return r;
+# else
+ /* 64-bit kabi outlier, e.g. mips64 and mips64-n32. */
+ struct kernel_stat kst;
+ int r = INLINE_SYSCALL_CALL (newfstatat, fd, file, &kst, flag);
+ return r ?: __cp_kstat_stat (&kst, buf);
+# endif /* __nr_fstatat64 */
+# endif /* STAT_IS_KERNEL_STAT */
}
weak_alias (__fstatat, fstatat)
#include <sys/stat.h>
#undef __fstatat
#undef fstatat
+#include <fcntl.h>
+
#include <kernel_stat.h>
+#include <sysdep.h>
+
+#include <statx_cp.h>
+#include <kstat_cp.h>
int
__fstatat64 (int fd, const char *file, struct stat64 *buf, int flag)
{
- return __fxstatat64 (_STAT_VER, fd, file, buf, flag);
+#if XSTAT_IS_XSTAT64
+# ifdef __NR_newfstatat
+ /* 64-bit kABI, e.g. aarch64, ia64, powerpc64*, s390x, riscv64, and
+ x86_64. */
+ return INLINE_SYSCALL_CALL (newfstatat, fd, file, buf, flag);
+# elif defined __NR_fstatat64
+# if STAT64_IS_KERNEL_STAT64
+ /* 64-bit kABI outlier, e.g. alpha. */
+ return INLINE_SYSCALL_CALL (fstatat64, fd, file, buf, flag);
+# else
+ /* 64-bit kABI outlier, e.g. sparc64. */
+ struct kernel_stat64 kst64;
+ int r = INLINE_SYSCALL_CALL (fstatat64, fd, file, &kst64, flag);
+ return r ?: __cp_stat64_kstat64 (buf, &kst64);
+# endif
+# else
+ /* 32-bit kABI with default 64-bit time_t, e.g. arc, riscv32. */
+ struct statx tmp;
+ int r = INLINE_SYSCALL_CALL (statx, fd, file, AT_NO_AUTOMOUNT | flag,
+ STATX_BASIC_STATS, &tmp);
+ if (r == 0)
+ __cp_stat64_statx (buf, &tmp);
+ return r;
+# endif
+#else
+# ifdef __NR_fstatat64
+ /* All kABIs with non-LFS support, e.g. arm, csky, i386, hppa, m68k,
+ microblaze, nios2, sh, powerpc32, and sparc32. */
+ return INLINE_SYSCALL_CALL (fstatat64, fd, file, buf, flag);
+# else
+ /* 64-bit kabi outlier, e.g. mips64 and mips64-n32. */
+ struct kernel_stat kst;
+ int r = INLINE_SYSCALL_CALL (newfstatat, fd, file, &kst, flag);
+ return r ?: __cp_kstat_stat64 (&kst, buf);
+# endif
+#endif
}
hidden_def (__fstatat64)
weak_alias (__fstatat64, fstatat64)
}
}
}
-hidden_def (__fxstat)
#endif /* XSTAT_IS_XSTAT64 */
versioned_symbol (libc, ___fxstat64, __fxstat64, GLIBC_2_2);
strong_alias (___fxstat64, __old__fxstat64)
compat_symbol (libc, __old__fxstat64, __fxstat64, GLIBC_2_1);
-hidden_ver (___fxstat64, __fxstat64)
#else
strong_alias (___fxstat64, __fxstat64)
-hidden_def (__fxstat64)
#endif
#if XSTAT_IS_XSTAT64
strong_alias (__fxstat64, __fxstat);
-hidden_ver (__fxstat64, __fxstat)
#endif
return r ?: __xstat32_conv (vers, &st64, st);
#endif
}
-libc_hidden_def (__fxstatat)
-
#endif /* XSTAT_IS_XSTAT64 */
#endif
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
}
-libc_hidden_def (__fxstatat64)
-#if XSTAT_IS_XSTAT64 && IS_IN(libc)
+#if XSTAT_IS_XSTAT64
strong_alias (__fxstatat64, __fxstatat);
-hidden_ver (__fxstatat64, __fxstatat)
#endif
--- /dev/null
+/* Empty, it is overridden by an architecture which might require copy to or
+ from a kernel_stat stat struct to glibc export stat{64}. */
}
}
}
-hidden_def (__lxstat)
#endif /* XSTAT_IS_XSTAT64 */
versioned_symbol (libc, ___lxstat64, __lxstat64, GLIBC_2_2);
strong_alias (___lxstat64, __old__lxstat64)
compat_symbol (libc, __old__lxstat64, __lxstat64, GLIBC_2_1);
-hidden_ver (___lxstat64, __lxstat64)
#else
strong_alias (___lxstat64, __lxstat64);
-hidden_def (__lxstat64)
#endif
}
}
}
-hidden_def (__fxstat)
}
}
}
-hidden_def (__lxstat)
return r ?: __xstat64_conv (vers, &kbuf, buf);
}
-
-hidden_def (__fxstat64)
int r = INLINE_SYSCALL_CALL (newfstatat, fd, file, &kst, flag);
return r ?: __xstat_conv (vers, &kst, st);
}
-libc_hidden_def (__fxstatat)
}
return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
}
-libc_hidden_def (__fxstatat64)
--- /dev/null
+/* Struct stat/stat64 to stat/stat64 conversion for Linux.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <sys/stat.h>
+#include <kernel_stat.h>
+
+static inline int
+__cp_kstat_stat (const struct kernel_stat *kst, struct stat *st)
+{
+ st->st_dev = kst->st_dev;
+ memset (&st->st_pad1, 0, sizeof (st->st_pad1));
+ st->st_ino = kst->st_ino;
+ if (st->st_ino != kst->st_ino)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
+ st->st_mode = kst->st_mode;
+ st->st_nlink = kst->st_nlink;
+ st->st_uid = kst->st_uid;
+ st->st_gid = kst->st_gid;
+ st->st_rdev = kst->st_rdev;
+ memset (&st->st_pad2, 0, sizeof (st->st_pad2));
+ st->st_size = kst->st_size;
+ if (st->st_size != kst->st_size)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
+ st->st_pad3 = 0;
+ st->st_atim.tv_sec = kst->st_atime_sec;
+ st->st_atim.tv_nsec = kst->st_atime_nsec;
+ st->st_mtim.tv_sec = kst->st_mtime_sec;
+ st->st_mtim.tv_nsec = kst->st_mtime_nsec;
+ st->st_ctim.tv_sec = kst->st_ctime_sec;
+ st->st_ctim.tv_nsec = kst->st_ctime_nsec;
+ st->st_blksize = kst->st_blksize;
+ st->st_blocks = kst->st_blocks;
+ if (st->st_blocks != kst->st_blocks)
+ return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
+ memset (&st->st_pad5, 0, sizeof (st->st_pad5));
+
+ return 0;
+}
+
+static inline int
+__cp_kstat_stat64 (const struct kernel_stat *kst, struct stat64 *st)
+{
+ st->st_dev = kst->st_dev;
+ memset (&st->st_pad1, 0, sizeof (st->st_pad1));
+ st->st_ino = kst->st_ino;
+ st->st_mode = kst->st_mode;
+ st->st_nlink = kst->st_nlink;
+ st->st_uid = kst->st_uid;
+ st->st_gid = kst->st_gid;
+ st->st_rdev = kst->st_rdev;
+ memset (&st->st_pad2, 0, sizeof (st->st_pad2));
+ st->st_pad3 = 0;
+ st->st_size = kst->st_size;
+ st->st_blksize = kst->st_blksize;
+ st->st_blocks = kst->st_blocks;
+ st->st_atim.tv_sec = kst->st_atime_sec;
+ st->st_atim.tv_nsec = kst->st_atime_nsec;
+ st->st_mtim.tv_sec = kst->st_mtime_sec;
+ st->st_mtim.tv_nsec = kst->st_mtime_nsec;
+ st->st_ctim.tv_sec = kst->st_ctime_sec;
+ st->st_ctim.tv_nsec = kst->st_ctime_nsec;
+ memset (&st->st_pad4, 0, sizeof (st->st_pad4));
+
+ return 0;
+}
int r = INLINE_SYSCALL_CALL (lstat, name, &kbuf);
return r ?: __xstat64_conv (vers, &kbuf, buf);
}
-
-hidden_def (__lxstat64)
int r = INLINE_SYSCALL_CALL (stat, name, &kbuf);
return r ?: __xstat64_conv (vers, &kbuf, buf);
}
-
-hidden_def (__xstat64)
}
}
}
-hidden_def (__xstat)
--- /dev/null
+/* Struct kernel_stat64 to stat64. Linux/SPARC version.
+ Copyright (C) 2020 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+
+static inline int
+__cp_stat64_kstat64 (struct stat64 *st64, const struct kernel_stat64 *kst64)
+{
+ st64->st_dev = kst64->st_dev;
+ st64->__pad1 = 0;
+ st64->st_ino = kst64->st_ino;
+ st64->st_mode = kst64->st_mode;
+ st64->st_nlink = kst64->st_nlink;
+ st64->st_uid = kst64->st_uid;
+ st64->st_gid = kst64->st_gid;
+ st64->st_rdev = kst64->st_rdev;
+ st64->__pad2 = 0;
+ st64->st_size = kst64->st_size;
+ st64->st_blksize = kst64->st_blksize;
+ st64->st_blocks = kst64->st_blocks;
+ st64->st_atim.tv_sec = kst64->st_atime_sec;
+ st64->st_atim.tv_nsec = kst64->st_atime_nsec;
+ st64->st_mtim.tv_sec = kst64->st_mtime_sec;
+ st64->st_mtim.tv_nsec = kst64->st_mtime_nsec;
+ st64->st_ctim.tv_sec = kst64->st_ctime_sec;
+ st64->st_ctim.tv_nsec = kst64->st_ctime_nsec;
+ st64->__glibc_reserved4 = 0;
+ st64->__glibc_reserved5 = 0;
+
+ return 0;
+}
}
}
}
-hidden_def (__xstat)
#endif /* XSTAT_IS_XSTAT64 */
versioned_symbol (libc, ___xstat64, __xstat64, GLIBC_2_2);
strong_alias (___xstat64, __old__xstat64)
compat_symbol (libc, __old__xstat64, __xstat64, GLIBC_2_1);
-hidden_ver (___xstat64, __xstat64)
#else
strong_alias (___xstat64, __xstat64)
-hidden_def (__xstat64)
#endif
projects / thirdparty / glibc.git / commitdiff
