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project/_Sfx/upx/TODO

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+UPX TODO list. Last updated 2006-12-08.
+
+
+IMPORTANT PROBLEMS THAT SHOULD BE FIXED SOON:
+
+- [None]
+
+
+OTHER:
+
+- docs: convert docs from upx.pod to use AsciiDoc
+
+- check all <const_cast> to make sure they are not invalid
+
+- throwNotCompressible() is not a real error, so make the output nicer
+  (info: bla bla). Also ui.cpp (total_*).
+
+
+-----------------------------------------------------------------------
+
+
+IMPROVED COMPRESSION RATIO
+==========================
+
+- experiment with new filters
+
+- implement filters for dos/exe
+
+- filters: could we exploit a f->firstcall info field ?
+
+- for small programs (e.g. < 64k), try an additional algorithm
+  to see if it gives better compression
+
+
+ALL FORMATS
+===========
+
+- more thoroughly test the exe-header in canPack()
+  and throw exceptions when encountering bad values.
+
+- implement `--cpu=486' option to use bswap on the 32-bit formats
+    (if cpu >= 486)
+
+
+FORMAT DJGPP2/COFF
+==================
+
+- handle overlays
+
+- fix default file extension handling when the --coff option is set
+
+
+FORMAT DOS/EXE
+==============
+
+- implement filters
+
+- add a check so that we don't pack djgpp1 binaries
+
+
+FORMAT LINUX/386
+================
+
+- don't mmap() the temporary output file - this seems to improve
+    file io speed
+
+
+FORMAT TMT/ADAM
+===============
+
+- the decompressors are already aligned, no need for an
+    extra alignment
+
+
+FORMAT WATCOM/LE
+================
+
+- handle files without relocations
+
+- the decompressors are already aligned, no need for an
+    extra alignment
+
+- fix default file extension handling when the --le option is set
+
+- handle holes in the file
+
+
+FORMAT WIN16/NE
+===============
+
+- implement readFileHeader() to correctly identify a win16/ne
+  executable, so that the call for contribution will get thrown
+
+
+FORMAT WIN32/PE
+===============
+
+- fix the section alignment with the Intel compiler
+
+- decrease runtime memory overhead
+
+3 - difficult) don't compress the BSS section and other holes.
+
+4 - medium - ml) fix when objectalign < 0x1000
+
+4 - easy - ml) put the original offset of moved resources somewhere into
+    the res.dir. (if it's safe to do)
+
+4 - ??? - ml) fix FIXMEs
+
+5 - medium - ml) try to put the preprocessed imports & relocs back to their
+    original section if possible. this could save some virtual memory
+    address space.
+