diff --git a/README b/README index 9395b65..b1937c3 100644 --- a/README +++ b/README @@ -5,44 +5,41 @@ library for developing embedded Linux systems. It is much smaller than the GNU C Library, but nearly all applications supported by glibc also work perfectly with uClibc-ng. -uClibc-ng is a spin-off of uClibc from http://www.uclibc.org -from Erik Andersen and others. +uClibc-ng is a spin-off of uClibc from http://www.uclibc.org from Erik Andersen +and others. Porting applications from glibc to uClibc-ng typically involves just recompiling the source code. uClibc-ng even supports shared libraries and -threading. It currently runs on standard Linux and MMU-less (also -known as µClinux) systems with support for ARC, ARM, Blackfin, i386, M68K/Coldfire -MIPS, MIPS64, NDS32, PowerPC, SH, Sparc, X86_64 and XTENSA processors. - -If you are building an embedded Linux system and you find that -glibc is eating up too much space, you should consider using -uClibc-ng. If you are building a huge fileserver with 12 Terabytes -of storage, then using glibc may make more sense. Unless, for -example, that 12 Terabytes will be Network Attached Storage and -you plan to burn Linux into the system's firmware... - -uClibc-ng is maintained by Waldemar Brodkorb and is licensed under the -GNU LESSER GENERAL PUBLIC LICENSE. This license allows you to -make closed source commercial applications using an unmodified -version of uClibc-ng. You do not need to give away all your source code just -because you use uClibc-ng and/or run on Linux. You should, however, -carefuly review the license and make certain you understand and -abide by it strictly. +threading. It currently runs on standard Linux and MMU-less (also known as +µClinux) systems with support for Alpha, ARC, ARM, Blackfin, CRIS, FR-V, HPPA, +IA64, LM32, M68K/Coldfire, Metag, Microblaze, MIPS, MIPS64, NDS32, NIOS2, +OpenRisc, PowerPC, SuperH, Sparc, x86, x86_64 and Xtensa processors. + +If you are building an embedded Linux system and you find that glibc is eating +up too much space, you should consider using uClibc-ng. If you are building a +huge fileserver with 12 Terabytes of storage, then using glibc may make more +sense. Unless, for example, that 12 Terabytes will be Network Attached Storage +and you plan to burn Linux into the system's firmware... + +uClibc-ng is maintained by Waldemar Brodkorb and is licensed under the GNU +LESSER GENERAL PUBLIC LICENSE. This license allows you to make closed source +commercial applications using an unmodified version of uClibc-ng. You do not +need to give away all your source code just because you use uClibc-ng and/or +run on Linux. You should, however, carefuly review the license and make certain +you understand and abide by it strictly. For installation instructions, see the file INSTALL. uClibc-ng strives to be standards compliant, which means that most -documentation written for SuSv3, or for glibc also applies to -uClibc-ng functions. However, many GNU extensions are not supported -because they have not been ported, or more importantly, would -increase the size of uClibc-ng disproportional to the added -functionality. +documentation written for SuSv3, or for glibc also applies to uClibc-ng +functions. However, many GNU extensions are not supported because they have +not been ported, or more importantly, would increase the size of uClibc-ng +disproportional to the added functionality. Additional information can be found at http://www.uclibc-ng.org/. -uClibc-ng may be freely modified and distributed under the terms of -the GNU Lesser General Public License, which can be found in the -file COPYING.LIB. +uClibc-ng may be freely modified and distributed under the terms of the GNU +Lesser General Public License, which can be found in the file COPYING.LIB. And most of all, be sure to have some fun! :-) -Waldemar diff --git a/extra/libstrip/libstrip b/extra/libstrip/libstrip deleted file mode 100755 index 69a1043..0000000 --- a/extra/libstrip/libstrip +++ /dev/null @@ -1,72 +0,0 @@ -#!/usr/bin/perl -w -# vi: set ts=4: - -# Libstrip - A utility to optimize libraries for specific executables -# Copyright (C) 2001 David A. Schleef -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of version 2 of the GNU General Public License as -# published by the Free Software Foundation. -# -# This is a surprisingly simple script that gets a list of -# unresolved symbols in a list of executables specified on the -# command line, and then relinks the uClibc shared object file -# with only the those symbols and their dependencies. This -# results in a shared object that is optimized for the executables -# listed, and thus may not work with other executables. -# -# Example: optimizing uClibc for BusyBox -# Compile uClibc and BusyBox as normal. Then, in this -# directory, run: -# libstrip path/to/busybox -# After the script completes, there should be a new -# libuClibc-0.9.5.so in the current directory, which -# is optimized for busybox. -# -# How it works: -# The uClibc Makefiles create libuClibc.so by first creating -# the ar archive libc.a with all the object files, then links -# the final libuClibc.so by using 'ld --shared --whole-archive'. -# We take advantage of the linker command line option --undefined, -# which pulls in a symbol and all its dependencies, and so relink -# the library using --undefined for each symbol in place of -# --whole-archive. The linker script is used only to avoid -# having very long command lines. - -$topdir="../.."; - -# This is the name of the default ldscript for shared libs. The -# file name will be different for other architectures. -$ldscript="/usr/lib/ldscripts/elf_i386.xs"; - -my @syms; -my @allsyms; -my $s; - -while($exec = shift @ARGV){ - #print "$exec\n"; - @syms=`nm --dynamic $exec`; - for $s (@syms){ - chomp $s; - if($s =~ m/^.{8} [BUV] (.+)/){ - my $x = $1; - if(!grep { m/^$x$/; } @allsyms){ - unshift @allsyms, $x; - } - } - } -} - -open(LDSCRIPT, ">ldscript"); -print LDSCRIPT "INCLUDE $ldscript\n"; -for $s (@allsyms) { - print LDSCRIPT "EXTERN($s)\n"; -} - - -`gcc -s -nostdlib -Wl,-warn-common -shared \\ - -o libuClibc-0.9.5.so \\ - -Wl,-soname,libc.so.0 -Wl,--script=ldscript \\ - $topdir/libc/libc.a \\ - $topdir/libc/tmp/libgcc-need.a` - diff --git a/libc/sysdeps/linux/h8300/clone.S b/libc/sysdeps/linux/h8300/clone.S index a00eba4..23c9000 100644 --- a/libc/sysdeps/linux/h8300/clone.S +++ b/libc/sysdeps/linux/h8300/clone.S @@ -1,4 +1,6 @@ -/* Copyright 2015 Yoshinori Sato */ +/* + Copyright 2015 Yoshinori Sato +*/ /* clone is even more special than fork as it mucks with stacks and invokes a function in the right context after its all over. */ diff --git a/libc/sysdeps/linux/h8300/vfork.S b/libc/sysdeps/linux/h8300/vfork.S index 24370df..85b733e 100644 --- a/libc/sysdeps/linux/h8300/vfork.S +++ b/libc/sysdeps/linux/h8300/vfork.S @@ -1,4 +1,6 @@ -/* Copyright 2002, 2015 Yoshinori Sato */ +/* + Copyright 2002, 2015 Yoshinori Sato +*/ #include