1 TODO list for every uClibc release:
2 -------------------------------------------------
3 *) Test cris, i386, mips, mipsel, sh, x86_64, arm, armeb, and powerpc
4 with the latest LTP testsuite. Fix any regressions and post LTP
5 testsuite results for each architecture on uclibc.org.
6 *) Audit header files. Remove prototypes for all functions that
7 are not supported -- especially needed for the libm headers.
8 *) Audit header files. When options are disabled, also disable
9 them in the include files as well by checking for the proper
10 define from include/bits/uClibc_config.h (pulled in from features.h)
14 General release feature sets:
15 -------------------------------------------------
16 .29 will be mostly as-is
17 .30 will be the NPTL merge
18 .31 for the no-kernel-headers fix, etc, etc.
22 TODO list for the uClibc 0.9.29 release:
23 -------------------------------------------------
24 *) as many of the arch-specific issues as possible
25 *) Remove N instances of libc_hidden_proto() from uClibc internals.
26 Instead add internal only header(s) defining all hidden prototypes.
27 This will avoid clutter and guarantee prototype consistancy.
28 *) The __is*_l() functions were all removed, such that we now only export
29 the is*_l() functions (no prefix). Before, we had the prefixed versions
30 for use by libstdc++ and weak versions without prefixes exported because
31 those functions belong to no std (unless you call glibc a std). This should
32 be fixed. Similar problems likely were created elsewhere.
34 http://bugs.uclibc.org/view.php?id=420
35 http://bugs.uclibc.org/view.php?id=539
36 *) bug in getopt handling:
37 http://bugs.uclibc.org/view.php?id=61
38 http://www.uclibc.org/lists/uclibc/2006-January/013851.html
39 *) Should integrate test subdir better ... need to propagate CPU
40 CFLAGS/LDFLAGS to the build/link for target binaries so that when we have
41 a multilib toolchain, the proper ABI is selected.
44 TODO list for the uClibc 1.0.0 release:
45 -------------------------------------------------
46 *) glob / fnmatch tests fail
47 *) regex should pass AT&T conformance tests
48 *) Finish hiding uClibc internal symbols from our exported namespace
49 *) Add system for generating minimal system call asm wrappers that abuse
50 the C ABI to minimize amount of register/stack manipulation
51 *) Explicity add some sortof CONFIG_LINUX_2_2_ABI, CONFIG_LINUX_2_4_ABI
52 and CONFIG_LINUX_2_6_ABI type options, rather than having the abi
53 depend on the selected set of kernel headers. This will likely also
54 require that we provide a set of kernel headers (probably a derivitive
55 of Mazur's linux-libc-headers) that can supplies the 2.2, 2.4, and 2.6
57 *) Documentation updates:
58 *) Write a uClibc HOWTO document
59 *) Update README document
60 *) Update INSTALL document
61 *) Update docs/Glibc_vs_uClibc_Differences.txt document
62 and fully document all differences between the feature
63 set of uClibc and glibc.
64 *) Update docs/uClibc_vs_SuSv3.txt document
65 *) Update docs/threads.txt document
66 *) Write man pages for ldd and ldconfig utility binaries
67 *) Implement some mechanism (perhaps encoded in the .so name,
68 perhaps using an abi tag magically embedded into each object)
69 for flagging config options that break the ABI. Options
70 such as UCLIBC_HAS_SOFT_FLOAT, UCLIBC_HAS_THREADS, UCLIBC_HAS_LOCALE,
71 and perhaps others (finalize list) produce a lib with a differing
72 ABI. Make it so apps cannot use an ABI mis-matched uClibc.
73 This is most easily done using symbol versioning...
74 *) Implement the long double versions of math funcs
75 using wrappers on top of the double versions (size / precision
76 trade off where size clearly wins).
77 *) Make all small objects (>~50 bytes) into either inlines or
79 *) Cleanup / rewrite sysconf.c. It should get some information
80 from ldso (such as HZ). Other stuff it currently just makes
81 up, which is obviously wrong. Also bits/uClibc_clk_tck.h
82 needs to be updated at the same time to get proper HZ values.
83 *) poll emulation using select() for old 2.0.x uClinux kernels
84 in libc/sysdeps/linux/common/poll.c fails some python self-tests.
85 Of course, modern systems using the actuall poll() syscall work fine.
86 *) Cleanup/scrub all the Makefile copyright junk
87 *) Fix dlopen, for both static and dynamic cases, and make it
88 fully comply with SuSv3
91 TODO list for AFTER the uClibc 1.0.0 release:
92 -------------------------------------------------
93 *) Add support for 64bit time (to deal withhttp://2038bug.com/):
94 date -s 011903142038 sets epoch to roll over in a few seconds (2^31)
95 *) Add support for Linux 2.6.x fast vsyscalls
96 *) Enable pristine source tree builds
97 *) Fix regex so it isn't so stinking big
98 *) Fix glob so it isn't so stinking big
99 *) run 'nm -D --size-sort -t d libuClibc-0.9.26.so' and work on the
100 biggest things (i.e. stuff at the end of the list) to make
102 <more wishlist items here>
106 -------------------------------------------------
108 ldso is not implemented
110 update crt1 code again for nommu (http://bugs.uclibc.org/view.php?id=538)
111 recruit jbowler and integrate thumb support
113 needs to be updated for the new ldso changes and unification of the
114 uClibc_main funcs (__uClibc_start_main doesnt exist anymore)
116 errno.c test segfaults causes segfault in clone.S (seems to be in glibc too)
118 add support for fast system calls
120 ldso is not implemented
122 ldso lazy relocation doesnt work
124 ldso is reasonably broken, presently requiring additional
127 need a sigaction.c since common one doesnt work (signal tests)
128 ldso needs to be updated since it's totally broken atm
130 pthread support, linktime warning support (implies GAS patches),
131 general touchups, testing, ldso.
134 -----------------------------------------------------------------------------
137 1) Little things that need fixing:
138 ----------------------------------
139 a) Fix bug in *printf: outdigit precison bug
140 b) Check that gnu/bsd extension members tm_gmtoff and tm_zone in struct tm
141 are respected where they should be.
142 c) Implement the obstack printf funcs for glibc compat.
143 d) Implement glibc 'a' flag for scanf string conversions.
144 e) Allow use of the older non-table-based ctype functions when using
145 stub locale support. (smaller)
146 f) __drand48_iterate should be void
147 g) alphasort vs. versionsort. The former seems to be SVID, the latter GNU
148 i.e. reverse to what we currently do. The latter is unimplemented.
149 h) ponder removal/configs to turn off: __xpg_*, bsd_signal, dysize,
152 2) Additional str{f|p}time issues.
153 ----------------------------------
154 a) Spacing issue wrt strptime.
155 b) Support locale specific alternate digits. (data is in place)
156 c) Support locale era in year designations. (data is in place)
157 d) Deal with mb format string issues in strftime.
158 e) Implement wcsftime.
160 3) Other locale issues (my implementation):
161 -------------------------------------------
162 a) Do a little more clean up of ctype and wctype.
163 b) Rework of the locale data organization to make using locales reasonable
164 when staticly linking. (mmap)
165 c) Rewrite the locale data generation tools to process the text specifications
166 rather than relying on glibc.
167 d) Adapt regex lib to use my collation data and add the necessary collating
168 item tables to support SUSv3 required features.
169 e) transliteration of unsupported wchars in 8-bit locales (like glibc).
170 f) Support ISO/IEC 14652 draft locale extensions (LC_PAPER, etc).
171 g) Implement strfrom.
172 h) Shift-state codeset locale support?
176 a) Port uClibc to other OSs (including elks), or even bare metal (libgloss).
177 b) Write a space-efficient gettext substitute, to avoid storing large amounts