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libc/sysdeps: Add new interfaces for new architectures

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Markos Chandras 13 years ago
parent
commit
6a69d7fc63

+ 4 - 1
libc/sysdeps/linux/README

@@ -4,4 +4,7 @@ port uClibc to some new Linux architecture (arm, mips, etc), this is the place
 to add that support.
 to add that support.
 
 
 All stuff that is not at all dependent on a particular Linux architecture
 All stuff that is not at all dependent on a particular Linux architecture
-goes in the 'common' directory.
+goes in the 'common' directory. However, for new architectures which are
+using the generic syscalls in the Linux Kernel, the 'common-generic'
+directory should be used instead as they all use identical interfaces for
+the system calls.

+ 17 - 0
libc/sysdeps/linux/common-generic/bits/align64bit.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _ALIGN_64_BIT_H
+#define _ALIGN_64_BIT_H
+
+/* Simple macro for getting the 64-bit struct arch alignment */
+
+struct __longlong_aligned { long long x; };
+
+#define __ARCH_64BIT_ALIGNMENT__ \
+	__attribute__((aligned(__alignof__(struct __longlong_aligned))))
+
+#endif /* bits/align64bit.h */

+ 53 - 0
libc/sysdeps/linux/common-generic/bits/dirent.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _DIRENT_H
+# error "Never use <bits/dirent.h> directly; include <dirent.h> instead."
+#endif
+
+#include <bits/align64bit.h>
+#include <endian.h>
+
+struct dirent
+  {
+#ifndef __USE_FILE_OFFSET64
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+    __U32_TYPE d_ino;
+    __U32_TYPE __pad1;
+    __S32_TYPE d_off;
+    __S32_TYPE __pad2;
+# else
+    __U32_TYPE __pad1;
+    __U32_TYPE d_ino;
+    __S32_TYPE __pad2;
+    __S32_TYPE d_off;
+# endif /* __LITTLE_ENDIAN */
+#else
+    __U64_TYPE d_ino;
+    __S64_TYPE d_off;
+#endif
+    unsigned short int d_reclen;
+    unsigned char d_type;
+    char d_name[256];		/* We must not include limits.h! */
+  } __ARCH_64BIT_ALIGNMENT__;
+
+#ifdef __USE_LARGEFILE64
+struct dirent64
+  {
+    __U64_TYPE d_ino;
+    __S64_TYPE d_off;
+    unsigned short int d_reclen;
+    unsigned char d_type;
+    char d_name[256];		/* We must not include limits.h! */
+  };
+#endif
+
+#define d_fileno	d_ino	/* Backwards compatibility.  */
+
+#undef  _DIRENT_HAVE_D_NAMLEN
+#define _DIRENT_HAVE_D_RECLEN
+#define _DIRENT_HAVE_D_OFF
+#define _DIRENT_HAVE_D_TYPE

+ 20 - 0
libc/sysdeps/linux/common-generic/bits/kernel_stat.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+#include <sys/stat.h>
+
+/*
+ * The stat structure defined in
+ * libc/sysdeps/linux/common-generic/bits/stat.h
+ * is the same as the kernel one for new architectures
+ */
+#define kernel_stat64	stat
+
+#endif	/*  _BITS_STAT_STRUCT_H */
+

+ 195 - 0
libc/sysdeps/linux/common-generic/bits/stat.h

@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _SYS_STAT_H
+# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
+#endif
+
+#include <bits/align64bit.h>
+#include <endian.h>
+
+/* Versions of the `struct stat' data structure.  */
+#define _STAT_VER_LINUX_OLD	1
+#define _STAT_VER_KERNEL	1
+#define _STAT_VER_SVR4		2
+#define _STAT_VER_LINUX		3
+#define _STAT_VER		_STAT_VER_LINUX	/* The one defined below.  */
+
+/* Versions of the `xmknod' interface.  */
+#define _MKNOD_VER_LINUX	1
+#define _MKNOD_VER_SVR4		2
+#define _MKNOD_VER		_MKNOD_VER_LINUX /* The bits defined below.  */
+
+/*
+ * For 32-bit architectures, this struct is similar to the stat64 but it
+ * uses 32-bit members along with 32-bit padding. For 64-bit architectures
+ * this struct is exactly the same with the stat64 one
+ */
+struct stat
+  {
+#ifndef __USE_FILE_OFFSET64
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+    unsigned long st_dev;			/* Device.  */
+    unsigned long __pad1;
+    unsigned long st_ino;			/* 32bit file serial number.	*/
+    unsigned long __pad2;
+    unsigned int st_mode;			/* File mode.  */
+    unsigned int st_nlink;			/* Link count.  */
+    unsigned int st_uid;			/* User ID of the file's owner.	*/
+    unsigned int st_gid;			/* Group ID of the file's group.*/
+    unsigned long st_rdev;			/* Device number, if device.  */
+    unsigned long __pad3;
+    unsigned long long __pad4;
+    long st_size;				/* SIze of file, in bytes.  */
+    long __pad5;
+    int st_blksize;				/* Optimal block size for I/O. */
+    int __pad6;
+    long st_blocks;				/* Number 512-byte blocks allocated */
+    long __pad7;
+# else
+    unsigned long __pad1;
+    unsigned long st_dev;			/* Device. */
+    unsigned long __pad2;
+    unsigned long st_ino;			/* 32bit file serial number. */
+    unsigned int st_mode;			/* File mode.  */
+    unsigned int st_nlink;			/* Link count.  */
+    unsigned int st_uid;			/* User ID of the file's owner.	*/
+    unsigned int st_gid;			/* Group ID of the file's group.*/
+    unsigned long __pad3;
+    unsigned long st_rdev			/* Device number, if device.  */
+    unsigned long long __pad4;
+    long __pad5;
+    long st_size;				/* Size of file, in bytes. */
+    int __pad6;
+    int st_blksize;				/* Optimal block size for I/O. */
+    long __pad7;
+    long st_blocks;				/* Number 512-byte blocks allocated */
+# endif /* __LITTLE_ENDIAN */
+#else
+    unsigned long long st_dev;			/* Device. */
+    unsigned long long st_ino;			/* 32bit file serial number. */
+    unsigned int st_mode;			/* File mode.  */
+    unsigned int st_nlink;			/* Link count.  */
+    unsigned int st_uid;			/* User ID of the file's owner.	*/
+    unsigned int st_gid;			/* Group ID of the file's group.*/
+    unsigned long long st_rdev;			/* Device number, if device.  */
+    unsigned long long _pad1;
+    long long st_size;				/* SIze of file, in bytes. */
+    int st_blksize;				/* Optimal block size for I/O. */
+    int __pad2;
+    long long st_blocks;			/* Number 512-byte blocks allocated */
+#endif
+#ifdef __USE_MISC
+    /* 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 <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim;			/* Time of last access.  */
+    struct timespec st_mtim;			/* Time of last modification.  */
+    struct timespec st_ctim;			/* Time of last status change.  */
+# define st_atime st_atim.tv_sec		/* Backward compatibility.  */
+# define st_mtime st_mtim.tv_sec
+# define st_ctime st_ctim.tv_sec
+#else
+# ifndef __USE_FILE_OFFSET64
+    long st_atime;				/* Time of last access. */
+    unsigned long st_atime_nsec;
+    long st_mtime;				/* Time of last modification. */
+    unsigned long st_mtime_nsec;
+    long st_ctime;				/* Time of last status change. */
+    unsigned long st_ctime_nsec;
+# else
+    int st_atime;				/* Time of last access. */
+    unsigned int st_atime_nsec;
+    int st_mtime;				/* Time of last modification. */
+    unsigned int st_mtime_nsec;
+    int st_ctime;				/* Time of last status change. */
+    unsigned int st_ctime_nsec;
+# endif
+#endif
+    unsigned int __unused4;
+    unsigned int __unused5;
+  } __ARCH_64BIT_ALIGNMENT__;
+
+
+#ifdef __USE_LARGEFILE64
+struct stat64
+  {
+    unsigned long long st_dev;			/* Device. */
+    unsigned long long st_ino;			/* 32bit file serial number. */
+    unsigned int st_mode;			/* File mode.  */
+    unsigned int st_nlink;			/* Link count.  */
+    unsigned int st_uid;			/* User ID of the file's owner.	*/
+    unsigned int st_gid;			/* Group ID of the file's group.*/
+    unsigned long long st_rdev;			/* Device number, if device.  */
+    unsigned long long __pad3;
+    long long st_size;				/* Size of file, in bytes. */
+    int st_blksize;				/* Optimal block size for I/O. */
+    int __pad4;
+    long long st_blocks;			/* Number 512-byte blocks allocated */
+# ifdef __USE_MISC
+    /* 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 <sys/stat.h> header.
+       Therefore we have to handle the use of this header in strictly
+       standard-compliant sources special.  */
+    struct timespec st_atim; 			/* Time of last access.  */
+    struct timespec st_mtim; 			/* Time of last modification.  */
+    struct timespec st_ctim; 			/* Time of last status change.  */
+# else
+    int st_atime;				/* Time of last access. */
+    unsigned int st_atime_nsec;
+    int st_mtime;				/* Time of last modification. */
+    unsigned int st_mtime_nsec;
+    int st_ctime;				/* Time of last status change. */
+    unsigned int st_ctime_nsec;
+# endif
+    unsigned int __unused4;
+    unsigned int __unused5;
+};
+#endif
+
+/* Tell code we have these members.  */
+#define	_STATBUF_ST_BLKSIZE
+#define _STATBUF_ST_RDEV
+/* Nanosecond resolution time values are supported.  */
+#define _STATBUF_ST_NSEC
+
+/* Encoding of the file mode.  */
+
+#define	__S_IFMT	0170000	/* These bits determine file type.  */
+
+/* File types.  */
+#define	__S_IFDIR	0040000	/* Directory.  */
+#define	__S_IFCHR	0020000	/* Character device.  */
+#define	__S_IFBLK	0060000	/* Block device.  */
+#define	__S_IFREG	0100000	/* Regular file.  */
+#define	__S_IFIFO	0010000	/* FIFO.  */
+#define	__S_IFLNK	0120000	/* Symbolic link.  */
+#define	__S_IFSOCK	0140000	/* Socket.  */
+
+/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
+   they do it by enforcing the correct use of the macros.  */
+#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
+#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
+
+/* Protection bits.  */
+
+#define	__S_ISUID	04000	/* Set user ID on execution.  */
+#define	__S_ISGID	02000	/* Set group ID on execution.  */
+#define	__S_ISVTX	01000	/* Save swapped text after use (sticky).  */
+#define	__S_IREAD	0400	/* Read by owner.  */
+#define	__S_IWRITE	0200	/* Write by owner.  */
+#define	__S_IEXEC	0100	/* Execute by owner.  */
+
+#ifdef __USE_ATFILE
+# define UTIME_NOW	((1l << 30) - 1l)
+# define UTIME_OMIT	((1l << 30) - 2l)
+#endif

+ 78 - 0
libc/sysdeps/linux/common-generic/bits/statfs.h

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#ifndef _SYS_STATFS_H
+# error "Never include <bits/statfs.h> directly; use <sys/statfs.h> instead."
+#endif
+
+#include <endian.h>
+#include <bits/align64bit.h>
+#include <bits/types.h>
+
+
+struct statfs
+  {
+    __U32_TYPE f_type;
+    __U32_TYPE f_bsize;
+#ifndef __USE_FILE_OFFSET64
+# if __BYTE_ORDER == __LITTLE_ENDIAN
+    __U32_TYPE f_blocks;
+    __U32_TYPE __pad1;
+    __U32_TYPE f_bfree;
+    __U32_TYPE __pad2;
+    __U32_TYPE f_bavail;
+    __U32_TYPE __pad3;
+    __U32_TYPE f_files;
+    __U32_TYPE __pad4;
+    __U32_TYPE f_ffree;
+    __U32_TYPE __pad5;
+# else
+    __U32_TYPE __pad1;
+    __U32_TYPE f_blocks;
+    __U32_TYPE __pad2;
+    __U32_TYPE f_bfree;
+    __U32_TYPE __pad3;
+    __U32_TYPE f_bavail;
+    __U32_TYPE __pad4;
+    __U32_TYPE f_files;
+    __U32_TYPE __pad5;
+    __U32_TYPE f_ffree;
+# endif /* __LITTLE_ENDIAN */
+#else
+    __U64_TYPE f_blocks;
+    __U64_TYPE f_bfree;
+    __U64_TYPE f_bavail;
+    __U64_TYPE f_files;
+    __U64_TYPE f_ffree;
+#endif /* __USE_FILE_OFFSET64 */
+    __fsid_t f_fsid;
+    __U32_TYPE f_namelen;
+    __U32_TYPE f_frsize;
+    __U32_TYPE f_flags;
+    __U32_TYPE f_spare[4];
+  } __ARCH_64BIT_ALIGNMENT__;
+
+#ifdef __USE_LARGEFILE64
+struct statfs64
+  {
+    __U32_TYPE f_type;
+    __U32_TYPE f_bsize;
+    __U64_TYPE f_blocks;
+    __U64_TYPE f_bfree;
+    __U64_TYPE f_bavail;
+    __U64_TYPE f_files;
+    __U64_TYPE f_ffree;
+    __fsid_t f_fsid;
+    __U32_TYPE f_namelen;
+    __U32_TYPE f_frsize;
+    __U32_TYPE f_flags;
+    __U32_TYPE f_spare[4];
+  };
+#endif
+
+/* Tell code we have these members.  */
+#define _STATFS_F_NAMELEN
+#define _STATFS_F_FRSIZE