From c72aaf4396e559936453a2ff3e8ffb31815d7874 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 11 Mar 2004 02:58:44 +0000 Subject: [PATCH] * sysdeps/unix/sysv/linux/alpha/kernel_stat.h (kernel_stat64): New. (glibc21_stat): New. * sysdeps/unix/sysv/linux/alpha/fxstat.c: New file. * sysdeps/unix/sysv/linux/alpha/lxstat.c: New file. * sysdeps/unix/sysv/linux/alpha/xstat.c: New file. * sysdeps/unix/sysv/linux/alpha/xstatconv.c (__xstat_conv): Add code for _STAT_VER_GLIBC2_3_4. (__libc_missing_axp_stat64): New. * sysdeps/unix/sysv/linux/alpha/xstatconv.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/stat.h (__ST_TIME): New. (_STAT_VER_GLIBC2_3_4, _STAT_VER_KERNEL64): New. (struct stat, struct stat64): Update to new format. (_STATBUF_ST_NSEC): New. 2004-03-11 Richard Henderson * sysdeps/unix/sysv/linux/alpha/kernel_stat.h (kernel_stat64): New. (glibc21_stat): New. * sysdeps/unix/sysv/linux/alpha/fxstat.c: New file. * sysdeps/unix/sysv/linux/alpha/lxstat.c: New file. * sysdeps/unix/sysv/linux/alpha/xstat.c: New file. * sysdeps/unix/sysv/linux/alpha/xstatconv.c (__xstat_conv): Add code for _STAT_VER_GLIBC2_3_4. (__libc_missing_axp_stat64): New. * sysdeps/unix/sysv/linux/alpha/xstatconv.h: New file. * sysdeps/unix/sysv/linux/alpha/bits/stat.h (__ST_TIME): New. (_STAT_VER_GLIBC2_3_4, _STAT_VER_KERNEL64): New. (struct stat, struct stat64): Update to new format. (_STATBUF_ST_NSEC): New. --- ChangeLog | 16 ++++++ sysdeps/unix/sysv/linux/alpha/bits/stat.h | 86 ++++++++++++++++++++--------- sysdeps/unix/sysv/linux/alpha/fxstat.c | 64 +++++++++++++++++++++ sysdeps/unix/sysv/linux/alpha/kernel_stat.h | 47 ++++++++++++++++ sysdeps/unix/sysv/linux/alpha/lxstat.c | 64 +++++++++++++++++++++ sysdeps/unix/sysv/linux/alpha/xstat.c | 64 +++++++++++++++++++++ sysdeps/unix/sysv/linux/alpha/xstatconv.c | 39 +++++++++++-- sysdeps/unix/sysv/linux/alpha/xstatconv.h | 24 ++++++++ 8 files changed, 373 insertions(+), 31 deletions(-) create mode 100644 sysdeps/unix/sysv/linux/alpha/fxstat.c create mode 100644 sysdeps/unix/sysv/linux/alpha/lxstat.c create mode 100644 sysdeps/unix/sysv/linux/alpha/xstat.c create mode 100644 sysdeps/unix/sysv/linux/alpha/xstatconv.h diff --git a/ChangeLog b/ChangeLog index 2f60679..2bca239 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,19 @@ +2004-03-11 Richard Henderson + + * sysdeps/unix/sysv/linux/alpha/kernel_stat.h (kernel_stat64): New. + (glibc21_stat): New. + * sysdeps/unix/sysv/linux/alpha/fxstat.c: New file. + * sysdeps/unix/sysv/linux/alpha/lxstat.c: New file. + * sysdeps/unix/sysv/linux/alpha/xstat.c: New file. + * sysdeps/unix/sysv/linux/alpha/xstatconv.c (__xstat_conv): Add + code for _STAT_VER_GLIBC2_3_4. + (__libc_missing_axp_stat64): New. + * sysdeps/unix/sysv/linux/alpha/xstatconv.h: New file. + * sysdeps/unix/sysv/linux/alpha/bits/stat.h (__ST_TIME): New. + (_STAT_VER_GLIBC2_3_4, _STAT_VER_KERNEL64): New. + (struct stat, struct stat64): Update to new format. + (_STATBUF_ST_NSEC): New. + 2004-03-11 Jakub Jelinek * sysdeps/unix/sysv/linux/powerpc/powerpc32/swapcontext.S diff --git a/sysdeps/unix/sysv/linux/alpha/bits/stat.h b/sysdeps/unix/sysv/linux/alpha/bits/stat.h index 921283a..40b6853 100644 --- a/sysdeps/unix/sysv/linux/alpha/bits/stat.h +++ b/sysdeps/unix/sysv/linux/alpha/bits/stat.h @@ -1,4 +1,5 @@ -/* Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. +/* Copyright (C) 1996,1997,1998,1999,2000,2001,2004 + 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 @@ -24,11 +25,45 @@ #define _STAT_VER_KERNEL 0 #define _STAT_VER_GLIBC2 1 #define _STAT_VER_GLIBC2_1 2 -#define _STAT_VER _STAT_VER_GLIBC2_1 +#define _STAT_VER_KERNEL64 3 +#define _STAT_VER_GLIBC2_3_4 3 +#define _STAT_VER _STAT_VER_GLIBC2_3_4 /* Versions of the `xmknod' interface. */ #define _MKNOD_VER_LINUX 0 + +/* Nanosecond resolution timestamps are stored in a format equivalent to + 'struct timespec'. This is the type used whenever possible but the + Unix namespace rules do not allow the identifier 'timespec' to appear + in the header. Therefore we have to handle the use of + this header in strictly standard-compliant sources special. + + Use neat tidy anonymous unions and structures when possible. */ + +#ifdef __USE_MISC +# if __GNUC_PREREQ(3,3) +# define __ST_TIME(X) \ + __extension__ union { \ + struct timespec st_##X##tim; \ + struct { \ + __time_t st_##X##time; \ + unsigned long st_##X##timensec; \ + }; \ + } +# else +# define __ST_TIME(X) struct timespec st_##X##tim +# define st_atime st_atim.tv_sec +# define st_mtime st_mtim.tv_sec +# define st_ctime st_ctim.tv_sec +# endif +#else +# define __ST_TIME(X) \ + __time_t st_##X##time; \ + unsigned long st_##X##timensec +#endif + + struct stat { __dev_t st_dev; /* Device. */ @@ -36,28 +71,26 @@ struct stat __ino64_t st_ino; /* File serial number. */ #else __ino_t st_ino; /* File serial number. */ - int __pad1; + int __pad0; /* 64-bit st_ino. */ #endif - __mode_t st_mode; /* File mode. */ - __nlink_t st_nlink; /* Link count. */ - __uid_t st_uid; /* User ID of the file's owner. */ - __gid_t st_gid; /* Group ID of the file's group.*/ __dev_t st_rdev; /* Device number, if device. */ __off_t st_size; /* Size of file, in bytes. */ - __time_t st_atime; /* Time of last access. */ - __time_t st_mtime; /* Time of last modification. */ - __time_t st_ctime; /* Time of last status change. */ #ifdef __USE_FILE_OFFSET64 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ #else __blkcnt_t st_blocks; /* Nr. 512-byte blocks allocated. */ - int __pad2; + int __pad1; /* 64-bit st_blocks. */ #endif + __mode_t st_mode; /* File mode. */ + __uid_t st_uid; /* User ID of the file's owner. */ + __gid_t st_gid; /* Group ID of the file's group.*/ __blksize_t st_blksize; /* Optimal block size for I/O. */ - unsigned int st_flags; - unsigned int st_gen; - int __pad3; - long __unused[4]; + __nlink_t st_nlink; /* Link count. */ + int __pad2; /* Real padding. */ + __ST_TIME(a); /* Time of last access. */ + __ST_TIME(m); /* Time of last modification. */ + __ST_TIME(c); /* Time of last status change. */ + long __unused[3]; }; #ifdef __USE_LARGEFILE64 @@ -66,27 +99,28 @@ struct stat64 { __dev_t st_dev; /* Device. */ __ino64_t st_ino; /* File serial number. */ - __mode_t st_mode; /* File mode. */ - __nlink_t st_nlink; /* Link count. */ - __uid_t st_uid; /* User ID of the file's owner. */ - __gid_t st_gid; /* Group ID of the file's group.*/ __dev_t st_rdev; /* Device number, if device. */ __off_t st_size; /* Size of file, in bytes. */ - __time_t st_atime; /* Time of last access. */ - __time_t st_mtime; /* Time of last modification. */ - __time_t st_ctime; /* Time of last status change. */ __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ + __mode_t st_mode; /* File mode. */ + __uid_t st_uid; /* User ID of the file's owner. */ + __gid_t st_gid; /* Group ID of the file's group.*/ __blksize_t st_blksize; /* Optimal block size for I/O. */ - unsigned int st_flags; - unsigned int st_gen; - int __pad3; - long __unused[4]; + __nlink_t st_nlink; /* Link count. */ + int __pad0; /* Real padding. */ + __ST_TIME(a); /* Time of last access. */ + __ST_TIME(m); /* Time of last modification. */ + __ST_TIME(c); /* Time of last status change. */ + long __unused[3]; }; #endif +#undef __ST_TIME + /* Tell code we have these members. */ #define _STATBUF_ST_BLKSIZE #define _STATBUF_ST_RDEV +#define _STATBUF_ST_NSEC /* Encoding of the file mode. */ diff --git a/sysdeps/unix/sysv/linux/alpha/fxstat.c b/sysdeps/unix/sysv/linux/alpha/fxstat.c new file mode 100644 index 0000000..40e08fd --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/fxstat.c @@ -0,0 +1,64 @@ +/* fxstat using old-style Unix stat system call. + Copyright (C) 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define __fxstat64 __fxstat64_disable + +#include +#include +#include +#include +#include +#include +#include + +#undef __fxstat64 + + +/* Get information about the file NAME in BUF. */ +int +__fxstat (int vers, int fd, struct stat *buf) +{ + INTERNAL_SYSCALL_DECL (err); + int result, errno_out; + struct kernel_stat kbuf; + + if (vers == _STAT_VER_KERNEL64 && !__libc_missing_axp_stat64) + { + result = INTERNAL_SYSCALL (fstat64, err, 2, fd, buf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return result; + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + if (errno_out != ENOSYS) + goto fail; + __libc_missing_axp_stat64 = 1; + } + + result = INTERNAL_SYSCALL (fstat, err, 2, fd, &kbuf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return __xstat_conv (vers, &kbuf, buf); + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + + fail: + __set_errno (errno_out); + return -1; +} +hidden_def (__fxstat) +weak_alias (__fxstat, _fxstat); +strong_alias (__fxstat, __fxstat64); +hidden_ver (__fxstat, __fxstat64) diff --git a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h index 75540c0..a1d012a 100644 --- a/sysdeps/unix/sysv/linux/alpha/kernel_stat.h +++ b/sysdeps/unix/sysv/linux/alpha/kernel_stat.h @@ -18,6 +18,31 @@ struct kernel_stat unsigned int st_gen; }; +/* Definition of `struct stat64' used in the kernel. */ +struct kernel_stat64 + { + unsigned long st_dev; + unsigned long st_ino; + unsigned long st_rdev; + long st_size; + unsigned long st_blocks; + + unsigned int st_mode; + unsigned int st_uid; + unsigned int st_gid; + unsigned int st_blksize; + unsigned int st_nlink; + unsigned int __pad0; + + unsigned long st_atime; + unsigned long st_atimensec; + unsigned long st_mtime; + unsigned long st_mtimensec; + unsigned long st_ctime; + unsigned long st_ctimensec; + long __unused[3]; + }; + /* Definition of `struct stat' used by glibc 2.0. */ struct glibc2_stat { @@ -38,4 +63,26 @@ struct glibc2_stat unsigned int st_gen; }; +/* Definition of `struct stat' used by glibc 2.1. */ +struct glibc21_stat + { + __dev_t st_dev; + __ino64_t st_ino; + __mode_t st_mode; + __nlink_t st_nlink; + __uid_t st_uid; + __gid_t st_gid; + __dev_t st_rdev; + __off_t st_size; + __time_t st_atime; + __time_t st_mtime; + __time_t st_ctime; + __blkcnt64_t st_blocks; + __blksize_t st_blksize; + unsigned int st_flags; + unsigned int st_gen; + int __pad3; + long __unused[4]; + }; + #define XSTAT_IS_XSTAT64 1 diff --git a/sysdeps/unix/sysv/linux/alpha/lxstat.c b/sysdeps/unix/sysv/linux/alpha/lxstat.c new file mode 100644 index 0000000..38fac2e --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/lxstat.c @@ -0,0 +1,64 @@ +/* lxstat using old-style Unix stat system call. + Copyright (C) 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define __lxstat64 __lxstat64_disable + +#include +#include +#include +#include +#include +#include +#include + +#undef __lxstat64 + + +/* Get information about the file NAME in BUF. */ +int +__lxstat (int vers, const char *name, struct stat *buf) +{ + INTERNAL_SYSCALL_DECL (err); + int result, errno_out; + struct kernel_stat kbuf; + + if (vers == _STAT_VER_KERNEL64 && !__libc_missing_axp_stat64) + { + result = INTERNAL_SYSCALL (lstat64, err, 2, name, buf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return result; + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + if (errno_out != ENOSYS) + goto fail; + __libc_missing_axp_stat64 = 1; + } + + result = INTERNAL_SYSCALL (lstat, err, 2, name, &kbuf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return __xstat_conv (vers, &kbuf, buf); + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + + fail: + __set_errno (errno_out); + return -1; +} +hidden_def (__lxstat) +weak_alias (__lxstat, _lxstat); +strong_alias (__lxstat, __lxstat64); +hidden_ver (__lxstat, __lxstat64) diff --git a/sysdeps/unix/sysv/linux/alpha/xstat.c b/sysdeps/unix/sysv/linux/alpha/xstat.c new file mode 100644 index 0000000..b7488e4 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/xstat.c @@ -0,0 +1,64 @@ +/* xstat using old-style Unix stat system call. + Copyright (C) 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#define __xstat64 __xstat64_disable + +#include +#include +#include +#include +#include +#include +#include + +#undef __xstat64 + + +/* Get information about the file NAME in BUF. */ +int +__xstat (int vers, const char *name, struct stat *buf) +{ + INTERNAL_SYSCALL_DECL (err); + int result, errno_out; + struct kernel_stat kbuf; + + if (vers == _STAT_VER_KERNEL64 && !__libc_missing_axp_stat64) + { + result = INTERNAL_SYSCALL (stat64, err, 2, name, buf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return result; + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + if (errno_out != ENOSYS) + goto fail; + __libc_missing_axp_stat64 = 1; + } + + result = INTERNAL_SYSCALL (stat, err, 2, name, &kbuf); + if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) + return __xstat_conv (vers, &kbuf, buf); + errno_out = INTERNAL_SYSCALL_ERRNO (result, err); + + fail: + __set_errno (errno_out); + return -1; +} +hidden_def (__xstat) +weak_alias (__xstat, _xstat); +strong_alias (__xstat, __xstat64); +hidden_ver (__xstat, __xstat64) diff --git a/sysdeps/unix/sysv/linux/alpha/xstatconv.c b/sysdeps/unix/sysv/linux/alpha/xstatconv.c index 3f15dfe..a193b62 100644 --- a/sysdeps/unix/sysv/linux/alpha/xstatconv.c +++ b/sysdeps/unix/sysv/linux/alpha/xstatconv.c @@ -1,5 +1,5 @@ /* Convert between the kernel's `struct stat' format, and libc's. - Copyright (C) 1997, 2003 Free Software Foundation, Inc. + Copyright (C) 1997, 2003, 2004 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 @@ -24,15 +24,14 @@ #include +int __libc_missing_axp_stat64; + int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf) { switch (vers) { case _STAT_VER_KERNEL: - /* Nothing to do. The struct is in the form the kernel expects. - We should have short-circuted before we got here, but for - completeness... */ *(struct kernel_stat *) ubuf = *kbuf; break; @@ -60,7 +59,7 @@ __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf) case _STAT_VER_GLIBC2_1: { - struct stat64 *buf = ubuf; + struct glibc21_stat *buf = ubuf; buf->st_dev = kbuf->st_dev; buf->st_ino = kbuf->st_ino; @@ -85,6 +84,36 @@ __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf) } break; + case _STAT_VER_GLIBC2_3_4: + { + struct stat64 *buf = ubuf; + + buf->st_dev = kbuf->st_dev; + buf->st_ino = kbuf->st_ino; + buf->st_rdev = kbuf->st_rdev; + buf->st_size = kbuf->st_size; + buf->st_blocks = kbuf->st_blocks; + + buf->st_mode = kbuf->st_mode; + buf->st_uid = kbuf->st_uid; + buf->st_gid = kbuf->st_gid; + buf->st_blksize = kbuf->st_blksize; + buf->st_nlink = kbuf->st_nlink; + buf->__pad0 = 0; + + buf->st_atime = kbuf->st_atime; + buf->st_atimensec = 0; + buf->st_mtime = kbuf->st_mtime; + buf->st_mtimensec = 0; + buf->st_ctime = kbuf->st_ctime; + buf->st_ctimensec = 0; + + buf->__unused[0] = 0; + buf->__unused[1] = 0; + buf->__unused[2] = 0; + } + break; + default: __set_errno (EINVAL); return -1; diff --git a/sysdeps/unix/sysv/linux/alpha/xstatconv.h b/sysdeps/unix/sysv/linux/alpha/xstatconv.h new file mode 100644 index 0000000..846bb02 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/xstatconv.h @@ -0,0 +1,24 @@ +/* Convert between the kernel's `struct stat' format, and libc's. + Copyright (C) 2004 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include "kernel-features.h" + +extern int __libc_missing_axp_stat64 attribute_hidden; +extern int __xstat_conv (int vers, struct kernel_stat *kbuf, void *ubuf) + attribute_hidden; -- 2.7.4