annotate ChangeLog @ 219:402a035220ed

Tweaked lwex0 linkscript to start at __start
author lost
date Sat, 25 Apr 2009 04:13:52 +0000
parents 11a2b63bbdce
children 2b254f02b252 701132971855
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1 The following includes the various changes in each release of LWTOOLS.
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2
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3 Each item is prefixed by a flag in []. The flags mean:
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4
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5 [*] Project structure or other "meta" change
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6 [!] critical bug fix - code generation error, etc.
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7 [+] new feature
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8 [-] feature removed
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9 [b] minor bugfix
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10 [ ] general improvement
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11
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12 Also, the software affected may follow in [].
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13
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14 Version 2.3
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15
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16 [*] added support for compiling using MinGW and added portions of gnulib
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17 to support argp, among other things. Yah! A Windows build!
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857cb407229e Added LWEX0 (LWOS simple binary) target to lwlink
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18 [+] added library search path (-L) and library specification (-l) to LWLINK
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19 [+] added ability to specify section base addresses on the command line to
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20 LWLINK (they get prepended to the built in link script)
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21 [+] added ability to output a "linkmap" to lwlink (--map, -m)
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22 [+] added LWEX0 (LWOS simple binary) target to LWLINK
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bb2665c7005c Added --extract and --replace to lwar
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23 [+] added ability to extract files in LWAR
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24 [+] added ability to "replace" members in LWAR
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563adfccb645 Added 'sym=expr' opcode handling
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25 [+] added support for "sym=expr" in the opcode field; this will define a
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26 global symbol (non-section) if it resolves to a constant
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29ba546ceea0 Added ~ prefix operator (1s complement)
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27 [+] added operator ~ as a prefix operator for a 1s complement in LWASM
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bfd0fb0a85c2 Allow exporting multiple symbols on a single directive
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28 [+] allow exporting multiple symbols (export sym,sym,sym...)
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29 [+] allow extern references in base page addresing mode, possibly buggy
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30 still (LWASM)
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31 [+] handle 8 bit external references, possibly buggy still (LWLINK)
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299c5d793aca Made lwlink smarter about not included unneeded (unreferenced) members of a library file
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32 [+] arranged for unused members of library files (archives) to be ignored
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33 during linking to keep the final size of the binary down (LWLINK)
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833d392fec82 Arranged for lwasm and lwlink to remove the output file in case they fail
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34 [b] arranged for output files for lwasm/lwlink to be removed if the assembly
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35 or linking fails
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d6cba9d66979 Fixed bug with library search path
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36 [b] fixed incorrect handling of library search path which caused only the
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37 last directory to ever matter
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38 [ ] DECB output of LWLINK now collapses contiguous output blocks into single
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39 single blocks in the output file; this eliminates the explosion of
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40 preambles that previously occurred
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220a760ec654 Make lwlink display all undefined references instead of bailing after the first one
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41 [ ] LWLINK now displays *all* undefined symbols and references instead of
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42 bailing out after the first one
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43
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44 Version 2.2
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45
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46 [*] created LWAR to manage library/archive files
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47 [+] cescapes pragma to allow C-style string escapes in FCC, FCS, and FCN
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48 [+] .area alias for SECTION
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49 [+] .globl alias for EXPORT; also accept name of symbol as operand
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50 [+] various compatibility directive aliases for FCB, FDB, FQB, RMB, FCC,
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51 FCS, and FCN
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52 [+] accept "*" has a prefix for base page addressing mode
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53 [+] sections named "bss" or ".bss" in any case are now assumed to be
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54 BSS sections. The "!bss" flag can be used to remove that assumption.
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99300be2d3bd Allow lines starting with # to be ignored
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55 [+] ignore lines starting with # to permit C pre-processor output to be used
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56 as input to lwasm
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bf69160da467 Added ability to use 0x and 0X as prefixes for hexadecimal numbers
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57 [+] allow "0x" and "0X" as prefixes to identify hexadecimal numbers
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58 [+] added support for a simple library/archive file format to LWLINK
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59 [b] actually show assembly errors when no list requested
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60 [b] pragma and --pragma now actually take multiple pragmas as documented
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61
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62 Version 2.1
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63
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64 [*] merged LWLINK (1.0) and LWASM to create LWTOOLS
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65 [+] [LWASM] pragmas can be specified on the command line
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66 [+] [LWASM] undefextern pragma added (undefined symbols treated as external)
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67 [+] documentation
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68 [b] [LWASM] made pragmas case insensitive
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69 [b] [LWASM] made EXTERN symbols never be part of a section in symbol table
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70
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72 LWASM Version 2.0
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74 [*] major rewrite of the entire assembler
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75 [+] object file support
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77
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78 LWLINK Version 1.0
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80 [*] initial released version