-Any takers?
-
-Fix regex so it isn't so stinking big
-Fix glob so it isn't so stinking big
-Integrate Jeff Garzik's key-value reading code for pwd/grp, /etc/hosts, etc
-Get the arm port of the shared lib loader working
-Get the powerpc port of the shared lib loader working
-Finish sparc port
-Standardize the style of the header files.
-Documentation
-Better configuration system
-run 'nm -D --size-sort -t d libuClibc-0.9.5.so' and work on the biggest things
- (i.e. stuff at the end of the list) to make them smaller.
-make inb/outb work (for lilo et all)
- update: done for i386. lilo and the pcmcia tools compile cleanly now
-make rint work (for ip et all)
-include/resolv.h does not define struct _res, and libc/inet/resolv.c
- does not use this struct. res_init does nothing. the other res_*
- functions are not implemented.
+TODO list for the uClibc 0.9.29 release:
+-------------------------------------------------
+ *) cleanup fallout from hidden_proto() updates
+ *) misc stdio bugs:
+ http://bugs.uclibc.org/view.php?id=420
+ http://bugs.uclibc.org/view.php?id=539
+ *) bug in getopt handling:
+ http://bugs.uclibc.org/view.php?id=61
+ http://www.uclibc.org/lists/uclibc/2006-January/013851.html
+ *) Audit header files. Remove prototypes for all functions that
+ are not supported -- especially needed for the libm headers.
+ *) Audit header files. When options are disabled, also disable
+ them in the include files as well by checking for the proper
+ define from include/bits/uClibc_config.h (pulled in from features.h)
+ *) Test cris, i386, mips, mipsel, sh, x86_64, arm, armeb, and powerpc
+ with the latest LTP testsuite. Fix any regressions and post LTP
+ testsuite results for each architecture on uclibc.org.
+ *) Fix it so valgrind 2.4.0 no longer complains about the memory mmaped
+ and used by ldso. Currently it whines on basically about virtually
+ every function call when doing default lazy binding, which makes its
+ output virtually useless due to the excess noise.
+ *) Change all references to the older "Library GPL" to the "Lesser GPL"
+ and update COPYING.LIB to LGPL version 2.1.
+ *) vapier todo: finish new linuxthreads import
+ *) Split up all conflicting MSRC files to allow IMA compiling
+ *) Correct the dependencies in the build system
------------------------------------------------------------------------------
-Manuel's unsorted todo:
-Move the target-specific sysconf.c generator to extra (as it needs to be
- run on the target) and fix libc/unistd/Makefile.
-Move the unified syscall stuff to extra, or find a way to generate the
- the required header file without using an intermediate binary.
+TODO list for the uClibc 1.0.0 release:
+-------------------------------------------------
-Add a usage message to the gcc wrapper.
+ *) Hide uClibc internal symbols from our exported namespace.
+ *) Explicity add some sortof CONFIG_LINUX_2_2_ABI, CONFIG_LINUX_2_4_ABI
+ and CONFIG_LINUX_2_6_ABI type options, rather than having the abi
+ depend on the selected set of kernel headers. This will likely also
+ require that we provide a set of kernel headers (probably a derivitive
+ of Mazur's linux-libc-headers) that can supplies the 2.2, 2.4, and 2.6
+ kernel abi.
+ *) Documentation updates:
+ *) Write a uClibc HOWTO document
+ *) Update README document
+ *) Update INSTALL document
+ *) Update docs/Glibc_vs_uClibc_Differences.txt document
+ and fully document all differences between the feature
+ set of uClibc and glibc.
+ *) Update docs/uClibc_vs_SuSv3.txt document
+ *) Update docs/threads.txt document
+ *) Write man pages for ldd and ldconfig utility binaries
+ *) Implement some mechanism (perhaps encoded in the .so name,
+ perhaps using an abi tag magically embedded into each object)
+ for flagging config options that break the ABI. Options
+ such as UCLIBC_HAS_SOFT_FLOAT, UCLIBC_HAS_THREADS, UCLIBC_HAS_LOCALE,
+ and perhaps others (finalize list) produce a lib with a differing
+ ABI. Make it so apps cannot use an ABI mis-matched uClibc.
+ This is most easily done using symbol versioning...
+ *) Implement the long double versions of math funcs
+ using wrappers on top of the double versions (size / precision
+ trade off where size clearly wins).
+ *) Make all small objects (>~50 bytes) into either inlines or
+ into a static library
+ *) Cleanup / rewrite sysconf.c. It should get some information
+ from ldso (such as HZ). Other stuff it currently just makes
+ up, which is obviously wrong. Also bits/uClibc_clk_tck.h
+ needs to be updated at the same time to get proper HZ values.
+ *) poll emulation using select() for old 2.0.x uClinux kernels
+ in libc/sysdeps/linux/common/poll.c fails some python self-tests.
+ Of course, modern systems using the actuall poll() syscall work fine.
+ *) Rework the build system Makefile to eliminate recursive make.
+ *) Build both pic and non-pic objects where appropriate, so that
+ static libs need not pay the pic size penalty.
+ *) Cleanup/scrub all the Makefile copyright junk
+ *) Fix dlopen, for both static and dynamic cases, and make it
+ fully comply with SuSv3
+ *) From the the ELF spec "...All shared object initializations happen
+ before the executable file gains control. ... Before the initialization
+ code for any object A is called, the initialization code for any other
+ objects that object A depends on are called. For these purposes, an object
+ A depends on another object B, if B appears in Ads list of needed objects
+ (recorded in the DT_NEEDED entries of the dynamic structure). The order of
+ initialization for circular dependencies is undefined." uClibc's shared
+ lib loader should be fixed to run ctors in the specified order.
-Look at pre-cephes-addition floating point code and possibly rework.
- (primarily nan and infinity handling)
-Make scanf and strtod aware of nan and inf.
+TODO list for AFTER the uClibc 1.0.0 release:
+-------------------------------------------------
+ *) Add support for Linux 2.6.x NPTL pthreads, futexes, etc
+ *) Add support for Linux 2.6.x fast vsyscalls
+ *) Enable pristine source tree builds
+ *) Fix regex so it isn't so stinking big
+ *) Fix glob so it isn't so stinking big
+ *) run 'nm -D --size-sort -t d libuClibc-0.9.26.so' and work on the
+ biggest things (i.e. stuff at the end of the list) to make
+ them smaller.
+ <more wishlist items here>
-Add overflow error-checking to fread and fwrite.
-Document uClibc-specific extensions I know of or have implemented.
- binary string conversion for printf
- malloc-less stdio
- optional printf unconfigured-for-type error messages
+Arch specific TODO:
+-------------------------------------------------
+ alpha:
+ _init/_fini hangs signal-ed (assert test)
+ output from cloned children seems funky (unistd/clone test)
+ ldso is not implemented
+ arm:
+ update crt1 code again for nommu (http://bugs.uclibc.org/view.php?id=538)
+ recruit jbowler and integrate thumb support
+ m68k:
+ ldso lazy relocation doesnt work
+ mips:
+ brk/pipe fixes: http://www.uclibc.org/lists/uclibc/2006-January/013824.html
+ http://bugs.uclibc.org/view.php?id=469
+ sparc:
+ need a sigaction.c since common one doesnt work (signal tests)
+ ldso needs to be updated since it's totally broken atm
+ vax:
+ pthread support, linktime warning support (implies GAS patches),
+ general touchups, testing, ldso.
+ bfin cris rfv sh64:
+ need to be updated to new ldso changes and unification of the
+ two uClibc_main funcs (__uClibc_start_main doesnt exist anymore)
-Add binary string conversion to scanf to mirror printf?
-Teach scanf about (nil) for %p.
-What to do about %m in printf?
+-----------------------------------------------------------------------------
+Manuel's todo:
-Make errno and endptr handling the default in the strto* functions and
- document how to turn those off to save space.
+ 1) Little things that need fixing:
+ ----------------------------------
+ a) Fix bug in *printf: outdigit precison bug
+ b) Check that gnu/bsd extension members tm_gmtoff and tm_zone in struct tm
+ are respected where they should be.
+ c) Implement the obstack printf funcs for glibc compat.
+ d) Implement glibc 'a' flag for scanf string conversions.
+ e) Allow use of the older non-table-based ctype functions when using
+ stub locale support. (smaller)
+
+ 2) Additional str{f|p}time issues.
+ ----------------------------------
+ a) Spacing issue wrt strptime.
+ b) Support locale specific alternate digits. (data is in place)
+ c) Support locale era in year designations. (data is in place)
+ d) Deal with mb format string issues in strftime.
+ e) Implement wcsftime.
+
+ 3) Other locale issues (my implementation):
+ -------------------------------------------
+ a) Do a little more clean up of ctype and wctype.
+ b) Rework of the locale data organization to make using locales reasonable
+ when staticly linking. (mmap)
+ c) Rewrite the locale data generation tools to process the text specifications
+ rather than relying on glibc.
+ d) Adapt regex lib to use my collation data and add the necessary collating
+ item tables to support SUSv3 required features.
+ e) transliteration of unsupported wchars in 8-bit locales (like glibc).
+ f) Support ISO/IEC 14652 draft locale extensions (LC_PAPER, etc).
+ g) Implement strfrom.
+ h) Shift-state codeset locale support?
+
+ 4) Misc:
+ --------
+ a) Port uClibc to other OSs (including elks), or even bare metal (libgloss).
+ b) Write a space-efficient gettext substitute, to avoid storing large amounts
+ of redundant data.
------------------------------------------------------------------------------
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