diff options
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 74 |
1 files changed, 46 insertions, 28 deletions
@@ -1,51 +1,49 @@ TODO list for the uClibc 1.0.0 release: +------------------------------------------------- - *) mjn3's mysterious python select/poll self-test failure that he - still needs to tell me about + *) 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 *) Perhaps implement glibc style frame-unwinding, so that gcc need - not be built with --enable-sjlj-exceptions for exception handling to work. - *) Implement some mechanism (perhaps encoded in the .so name) + not be built with --enable-sjlj-exceptions for C++ exception handling + to work. + *) 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. - *) Implement the float and long double versions of math funcs, + *) Implement the float and long double versions of math funcs using wrappers on top of the double versions (size / precision - trade off). - *) Delete current profiling code (because it is crap - and only works when static + PIC) + trade off where size clearly wins). + *) Delete current profiling code (because it is complete crap + and only works properly when static + PIC, and because it is + quite intrusive, and because there are better ways to profile) *) Fix profiling by adding missing stub functions per http://uclibc.org/lists/uclibc/2004-February/008167.html and used by, i.e. http://www710.univ-lyon1.fr/~yperret/fnccheck/ *) Audit header files. Remove prototypes for all functions that - are not supported. Especially needed for the libm headers. + 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. + them in the include files as well by checking for the proper + define from include/bits/uClibc_config.h (pulled in from features.h) *) Make all small objects (>~50 bytes) into either inlines or into a static library - *) Add support for Linux 2.6.x NGPL pthreads, futexes, etc - *) Documentation updates: - *) 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 a HOWTO document - *) Write man pages for ldd and ldconfig utility binaries - *) 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. *) 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. *) __data_start needs to be added to any crt0.S files that don't - currently have it. It is used by the boehm gc. mjn3 has added - it to i386 and mips, but some archs are still missing it. + currently have it. It is used by the boehm gc, amoung other + things. mjn3 has added it to i386 and mips, but some archs + are still missing it. *) It would nice if valgrind wouldn't complain about the atexit() malloc'd memory for destructors, which happens since the dynamic linker calls atexit(), which calls malloc() prior to valgrind starting, so valgrind @@ -58,6 +56,26 @@ TODO list for the uClibc 1.0.0 release: (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. + *) 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. + + +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> + |