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- 1999-06-16 Faré <fare@tunes.org>
- Release e
- * ported eforth to ELF instead of a.out (was about time!)
- In particular, ELF introduces changes the .align behavior back
- to what it was before linux a.out!
- It also modifies the base address where programs are loaded in core.
- Made good use of GNU as subsections.
- * added minimal support for argc, argv, and environ.
- see the beginning of eforth.S for initialization,
- and test.4th for how to use it.
- * added lots of additional documentation.
- Modified and reformatted existing docs.
- 1995-09-16 Faré <rideau@clipper.ens.fr>
- Release d
- * maintenance release
- 1995-05-13 Faré <rideau@clipper.ens.fr>
- Release c
- * changed (and had to debug)-8 the NEXT macro into an ENTER/NEXT pair.
- * added Glossary from original eForth
- 1995-??-?? Faré <rideau@clipper.ens.fr>
- Release b
- * added support for Linux syscalls
- * removed the need of the CPP hack, by using GAS = definitions instead
- of CPP #define's whenever possible
- * created macros to debug eforth with gdb...
- * many "optimizations" in assembly code.
- All this optimizing is just for fun,
- as the eForth model has the CPU waste most of its time
- jumping around anyway.
- * e.g. added buffering of top of stack in %ebx
- (enable/disable with BUFFER_TOS)
- * created this Changelog, a TODO file, etc.
- 1994-11-16 Faré <rideau@clipper.ens.fr>
- Release a
- * Converted DOS system calls
- (as transmitted by DJGPP's GO32 DOS extender),
- into Linux system calls.
- * disabled input echoing and version message (words TAP and 'BOOT).
- * CPP wanted considered $UPP and alikes as a whole,
- and I had to separate the $ (for immediate addressing mode)
- from the constant name for #define expansion.
- * GAS had a nastier problem, much harder to find:
- the .align's of the DJGPP version of GAS port
- had the same syntax as under Linux, but not the same effect !
- With the DJGPP version, GAS took an argument being
- the number of bytes to align to, and filled with zeros,
- while the Linux version took an argument being size in 16-bit words,
- and filled with NOP's, unless told otherwise.
- I isolated the alignment directive in a macro,
- so you can adapt it easily should the directive change.
- * LD assumed -N flag under DJGPP; I had to explicitly use
- the -N flag of ld under Linux (the code is self-patching).
- * To help debugging, I added some macros (currently disabled)
- to dump information at some places in the sources. You may want
- to reenable them if you to extend the system and face bugs.
- See DBG, PRNUM, BRKPNT, BRK, and the same with underscore prefix
- to disable.
- * Finally, I used GNU unexpand -a to *dramatically* reduce
- the size of the sources (31%) by automatically introducing tabs.
- If you too as vandys, dislike tabs, use GNU expand to remove them !
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