From 11e165ebcdcd1b58f8e6a12cd9b7e39bed159566 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 26 Aug 2004 23:36:04 +0000 Subject: Partial patch from Alexandre Oliva: - adjust licensing terms of sources for crt*.o - change the stat ABI to speed it up, matching changes in the kernel - assorted bug-fixes, improvements and updates in the FR-V port etc. --- libc/sysdeps/linux/frv/bits/elf-fdpic.h | 25 +++-- libc/sysdeps/linux/frv/bits/kernel_stat.h | 99 ++++++++++++------- libc/sysdeps/linux/frv/bits/stat.h | 154 ++++++++++++++++++++++++++++++ libc/sysdeps/linux/frv/bits/syscalls.h | 9 +- libc/sysdeps/linux/frv/bits/uClibc_page.h | 32 +++++++ 5 files changed, 272 insertions(+), 47 deletions(-) create mode 100644 libc/sysdeps/linux/frv/bits/stat.h create mode 100644 libc/sysdeps/linux/frv/bits/uClibc_page.h (limited to 'libc/sysdeps/linux/frv/bits') diff --git a/libc/sysdeps/linux/frv/bits/elf-fdpic.h b/libc/sysdeps/linux/frv/bits/elf-fdpic.h index f47d9493c..0dbb54b4c 100644 --- a/libc/sysdeps/linux/frv/bits/elf-fdpic.h +++ b/libc/sysdeps/linux/frv/bits/elf-fdpic.h @@ -1,4 +1,4 @@ -/* Copyright 2003 Free Software Foundation, Inc. +/* Copyright 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 @@ -6,6 +6,15 @@ 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. +In addition to the permissions in the GNU Lesser General Public +License, the Free Software Foundation gives you unlimited +permission to link the compiled version of this file with other +programs, and to distribute those programs without any restriction +coming from the use of this file. (The GNU Lesser General Public +License restrictions do apply in other respects; for example, they +cover modification of the file, and distribution when not linked +into another program.) + 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 @@ -84,12 +93,14 @@ __reloc_pointer (void *p, above, but we want to use the carry in the comparison, so we can't convert it to an integer type beforehand. */ unsigned long offset = p - (void*)map->segs[c].p_vaddr; - /* We explicitly refrain from checking for one-past-the-end. - Zero-sized objects aren't legal, and it's expected that array - addresses will be relocated before the addend that would make - it one-past-the-end is added. This gives us a reasonable speed - up, and we couldn't possibly disambiguate all cases anyway. */ - if (offset < map->segs[c].p_memsz) + /* We only check for one-past-the-end for the last segment, + assumed to be the data segment, because other cases are + ambiguous in the absence of padding between segments, and + rofixup already serves as padding between text and data. + Unfortunately, unless we special-case the last segment, we + fail to relocate the _end symbol. */ + if (offset < map->segs[c].p_memsz + || (offset == map->segs[c].p_memsz && c + 1 == map->nsegs)) return (char*)map->segs[c].addr + offset; } diff --git a/libc/sysdeps/linux/frv/bits/kernel_stat.h b/libc/sysdeps/linux/frv/bits/kernel_stat.h index c6fc95328..c6d61412d 100644 --- a/libc/sysdeps/linux/frv/bits/kernel_stat.h +++ b/libc/sysdeps/linux/frv/bits/kernel_stat.h @@ -6,52 +6,79 @@ * different opinion on the subject... */ struct kernel_stat { + unsigned char __pad1[6]; unsigned short st_dev; - unsigned short __pad1; + + unsigned long __pad2; unsigned long st_ino; + + unsigned short __pad3; unsigned short st_mode; + unsigned short __pad4; unsigned short st_nlink; + + unsigned short __pad5; unsigned short st_uid; + unsigned short __pad6; unsigned short st_gid; + + unsigned char __pad7[6]; unsigned short st_rdev; - unsigned short __pad2; - unsigned long st_size; - unsigned long st_blksize; - unsigned long st_blocks; - unsigned long st_atime; - unsigned long __unused1; - unsigned long st_mtime; - unsigned long __unused2; - unsigned long st_ctime; - unsigned long __unused3; - unsigned long __unused4; - unsigned long __unused5; + + unsigned long __pad8; + unsigned long st_size; + + unsigned long __pad9; /* align 64-bit st_blocks to 2-word */ + unsigned long st_blksize; + + unsigned long __pad10; /* future possible st_blocks high bits */ + unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + + unsigned long __unused1; + unsigned long st_atime; + + unsigned long __unused2; + unsigned long st_mtime; + + unsigned long __unused3; + unsigned long st_ctime; + + unsigned long long __unused4; }; struct kernel_stat64 { - unsigned char __pad0[6]; - unsigned short st_dev; - unsigned char __pad1[2]; -#define _HAVE_STAT64___ST_INO - unsigned long __st_ino; - unsigned int st_mode; - unsigned int st_nlink; - unsigned long st_uid; - unsigned long st_gid; - unsigned char __pad2[6]; - unsigned short st_rdev; - unsigned char __pad3[2]; - long long st_size; - unsigned long st_blksize; - unsigned long __pad4; /* future possible st_blocks high bits */ - unsigned long st_blocks; /* Number 512-byte blocks allocated. */ - unsigned long st_atime; - unsigned long __pad5; - unsigned long st_mtime; - unsigned long __pad6; - unsigned long st_ctime; - unsigned long __pad7; /* will be high 32 bits of ctime someday */ - unsigned long long st_ino; + unsigned char __pad1[6]; + unsigned short st_dev; + + unsigned long long st_ino; + + unsigned int st_mode; + unsigned int st_nlink; + + unsigned long st_uid; + unsigned long st_gid; + + unsigned char __pad2[6]; + unsigned short st_rdev; + + long long st_size; + + unsigned long __pad3; /* align 64-bit st_blocks to 2-word */ + unsigned long st_blksize; + + unsigned long __pad4; /* future possible st_blocks high bits */ + unsigned long st_blocks; /* Number 512-byte blocks allocated. */ + + unsigned long __unused1; + unsigned long st_atime; + + unsigned long __unused2; + unsigned long st_mtime; + + unsigned long __unused3; /* will be high 32 bits of ctime someday */ + unsigned long st_ctime; + + unsigned long long __unused4; }; #endif /* _BITS_STAT_STRUCT_H */ diff --git a/libc/sysdeps/linux/frv/bits/stat.h b/libc/sysdeps/linux/frv/bits/stat.h new file mode 100644 index 000000000..ae5f059f7 --- /dev/null +++ b/libc/sysdeps/linux/frv/bits/stat.h @@ -0,0 +1,154 @@ +/* Copyright (C) 1992,95,96,97,98,99,2000,2001, 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 + 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. */ + +#ifndef _SYS_STAT_H +# error "Never include directly; use instead." +#endif + +#ifndef _BITS_STAT_H +#define _BITS_STAT_H + +/* Versions of the `struct stat' data structure. */ +#define _STAT_VER_KERNEL 0 +#define _STAT_VER_LINUX 0 +#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. */ + +struct stat +{ + __dev_t st_dev; /* Device. */ + +#ifndef __USE_FILE_OFFSET64 + unsigned long __pad1; + __ino_t st_ino; /* File serial number. */ +#else + __ino64_t st_ino; /* File serial number. */ +#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. */ + +#ifndef __USE_FILE_OFFSET64 + unsigned long __pad2; + __off_t st_size; /* Size of file, in bytes. */ + + unsigned long __pad3; +#else + __off64_t st_size; /* Size of file, in bytes. */ + + unsigned long __pad1; +#endif + __blksize_t st_blksize; /* Optimal block size for I/O. */ + +#ifndef __USE_FILE_OFFSET64 + unsigned long __pad4; + __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ +#else + __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ +#endif + + unsigned long int __unused1; + __time_t st_atime; /* Time of last access. */ + + unsigned long int __unused2; + __time_t st_mtime; /* Time of last modification. */ + + unsigned long int __unused3; + __time_t st_ctime; /* Time of last status change. */ + + unsigned long long __unused4; +}; + +#ifdef __USE_LARGEFILE64 +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. */ + + __off64_t st_size; /* Size of file, in bytes. */ + + unsigned long __pad1; + __blksize_t st_blksize; /* Optimal block size for I/O. */ + + __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ + + unsigned long int __unused1; + __time_t st_atime; /* Time of last access. */ + + unsigned long int __unused2; + __time_t st_mtime; /* Time of last modification. */ + + unsigned long int __unused3; + __time_t st_ctime; /* Time of last status change. */ + + unsigned long long __unused4; +}; +#endif + + +/* Tell code we have these members. */ +#define _STATBUF_ST_BLKSIZE +#define _STATBUF_ST_RDEV + +/* 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. */ + +#endif /* _BITS_STAT_H */ diff --git a/libc/sysdeps/linux/frv/bits/syscalls.h b/libc/sysdeps/linux/frv/bits/syscalls.h index 44dba866b..23219d602 100644 --- a/libc/sysdeps/linux/frv/bits/syscalls.h +++ b/libc/sysdeps/linux/frv/bits/syscalls.h @@ -9,9 +9,6 @@ * programs. */ #include -#ifndef __set_errno -# define __set_errno(val) ((*__errno_location ()) = (val)) -#endif #ifndef SYS_ify # define SYS_ify(syscall_name) (__NR_##syscall_name) #endif @@ -19,7 +16,7 @@ #ifndef __ASSEMBLER__ /* user-visible error numbers are in the range -1 - -4095: see */ -#ifdef _LIBC +#if defined _LIBC && !defined __set_errno # define __syscall_return(type, res) \ do { \ unsigned long __sr2 = (res); \ @@ -43,6 +40,10 @@ do { \ } while (0) #endif +#ifndef __set_errno +# define __set_errno(val) ((*__errno_location ()) = (val)) +#endif + /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ #define _syscall0(type,name) \ diff --git a/libc/sysdeps/linux/frv/bits/uClibc_page.h b/libc/sysdeps/linux/frv/bits/uClibc_page.h new file mode 100644 index 000000000..51a6e15d3 --- /dev/null +++ b/libc/sysdeps/linux/frv/bits/uClibc_page.h @@ -0,0 +1,32 @@ +/* Copyright (C) 2004 Erik Andersen + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +/* Supply an architecture specific value for PAGE_SIZE and friends. */ + +#ifndef _UCLIBC_PAGE_H +#define _UCLIBC_PAGE_H + +/* PAGE_SHIFT determines the page size -- in this case 4096 */ +#define PAGE_SHIFT (14) +#ifndef __ASSEMBLY__ +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#else +#define PAGE_SIZE (1 << PAGE_SHIFT) +#endif +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#endif /* _UCLIBC_PAGE_H */ -- cgit v1.2.3