annotate ChangeLog @ 264:61d1db1dfe2a 2.6

Build manual for release
author lost
date Tue, 22 Dec 2009 05:27:32 +0000
parents e27279180a73
children 1bdb4e256fc9 6e940229360b
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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 2.6
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15
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eb499c146c0d Fixed selection of objects for inclusion from within libraries to actually resolve references correctly
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16 [!] Fixed symbol resolution so all externally referenced objects, including
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17 within library archives, are properly included [LWLINK]
248
e8d70b95ec41 Fixed various problems with determining which files to include in the output and also fixed problem identifying which files actually resolved symbols
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18 [!] Fixed bug that prevented setting non-default stack size for LWEX [LWLINK]
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c7a41b4c89b3 Added struct support to LWASM
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19 [+] Added structure support (struct, endstruct) [LWASM]
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20 [+] Added "EXTDEP" pseudo op to force a dependency on an external symbol
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21 without an actual external reference - a zero-width external reference
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22 so to speak [LWASM,LWLINK]
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23 [+] Decode known incomplete expression flags [LWOBJDUMP]
244
c8bcc396ec59 Allow symbols to appear after whitespace when terminated by :
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24 [+] Allow symbol to appear after whitespace if specified with a trailing :
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25 to improve compatibility with gcc6809 output [LWASM]
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26 [b] Treat incomplete reference flags as specified in docs [LWLINK]
248
e8d70b95ec41 Fixed various problems with determining which files to include in the output and also fixed problem identifying which files actually resolved symbols
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27 [ ] Changed default LWEX stack size to 1K [LWLINK]
250
0986834ec7d3 Added no-op .bank pseudo-op to support compiling gcc6809
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28 [+] Accept ".bank" pseudo op and ignore it; bank support may be provided
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29 in the future if a reasonable model for such is determined; currently
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30 this is just provided for compatibility with the gcc6809 build process
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31 [LWASM]
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f6af5791472c Fixed default LWEX0 linkscript to include .ctors and .dtors sections
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32 [b] Fixed default linkscript for LWEX0 format to include the .ctors, .dtors,
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33 and related section [LWLINK]
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4dc2a10997a6 Fixed LWEX binary output when BSS size > 0
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34 [!] Fixed problem outputting LWEX0 binaries with non-zero BSS size [LWLINK]
253
c537a3a723fc Fixed obscure comment detection bug
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35 [ ] Added rejection for comment not starting at start of line but which
c537a3a723fc Fixed obscure comment detection bug
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36 looks like a symbol (single word ending in :, no space after ; or *)
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37 [LWASM]
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38 [+] Support input files with line numbers for compatibility with EDTASM
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6363b9ebf825 Support files with line numbers in lwasm
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39 and others that use line numbers [LWASM]
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40 [+] Add support for an include path, always include from current dir
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41 unless file not found [LWASM]
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42
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43 Version 2.5
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44
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45 [!] Fixed error in the fix for invalid operands included in 2.4 [LWASM]
225
058f18119025 Fixed filename parsing bug in include directive and added includebin directive
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46 [b] Fixed bug with "include" directive operand parsing [LWASM]
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59a138df0401 Fixed additional parsing problems with pseudo ops
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47 [b] Fixed additional parsing errors with pseudo ops [LWASM]
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a58f49a77441 Added os9 target, pragma to control whether $ localizes a symbol, and fixed some condition nesting bugs
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48 [b] Fixed parsing error with various conditional nesting situations [LWASM]
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058f18119025 Fixed filename parsing bug in include directive and added includebin directive
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49 [+] Added includebin directive to include the literal contents of a binary
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50 file at the current assembly address. [LWASM]
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c8787fad0f9f Added && and || to lwasm
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51 [+] Added || and && as boolean or and boolean and respectively [LWASM]
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560843a951f7 Added compatibility alternatives to TFM
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52 [+] Added COPY, COPY-, IMP, EXP, TFRP, TFRM, TFRS, TFRR as alternatives to
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53 the TFM instruction variations for compatibility with other assemblers
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54 [LWASM]
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0df2a39a268c Added --6809/--6309 switches and some cleanups in error reporting
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55 [+] Added --6809/-9 switch to cause 6309 instructions to be rejected; also
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56 included --6309/-3 switch to force default allow of 6309 instructions
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57 [LWASM]
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aa0056ca7319 Added a padding value for the ALIGN directive
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58 [+] ALIGN now takes an optional padding value (ALIGN align,pad) to specify
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59 the byte value that will be used for padding if needed [LWASM]
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60 [+] Added OS9 module target along with the OS9, MOD, and EMOD pseudo ops
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61 to allow building OS9 modules [LWASM]
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62 [+] Added pragma "dollarlocal"/"nodollarlocal" and "dollarnotlocal"/
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63 "nodollarnotlocal" to control whether $ localizes a symbol [LWASM]
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64 [ ] Fixed a few cosmetic issues with error reporting
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65
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66 Version 2.4
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67
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68 [!] Fixed off by one relocation offest for base page external references
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271c0ef9ea60 Fixed segfault in import/extern pseudo op
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69 generated by lwasm [LWASM]
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70 [b] Fixed segfault in "extern" pseudo op and allowed a symbol list as the
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71 operand just like "export" [LWASM]
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436b36214e35 Fixed lack of error when there are extraneous characters at the end of the operand.
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72 [b] Fixed lack of error when there are extraneous characters at the end
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73 of the operand. This did not cause incorrect code generation for correct
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74 code but would silently generate incorrect code for some easy errors
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7803d2d09993 Allow 8 bit immediate operands to be external references
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75 [+] 8 bit immediate operands can now be external references [LWASM]
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76
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77 Version 2.3
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78
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79 [*] added support for compiling using MinGW and added portions of gnulib
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80 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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81 [+] added library search path (-L) and library specification (-l) to LWLINK
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82 [+] added ability to specify section base addresses on the command line to
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83 LWLINK (they get prepended to the built in link script)
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84 [+] added ability to output a "linkmap" to lwlink (--map, -m)
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85 [+] added LWEX0 (LWOS simple binary) target to LWLINK
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bb2665c7005c Added --extract and --replace to lwar
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86 [+] added ability to extract files in LWAR
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87 [+] added ability to "replace" members in LWAR
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563adfccb645 Added 'sym=expr' opcode handling
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88 [+] added support for "sym=expr" in the opcode field; this will define a
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89 global symbol (non-section) if it resolves to a constant
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29ba546ceea0 Added ~ prefix operator (1s complement)
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90 [+] 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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91 [+] allow exporting multiple symbols (export sym,sym,sym...)
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92 [+] allow extern references in base page addresing mode, possibly buggy
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93 still (LWASM)
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94 [+] 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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95 [+] arranged for unused members of library files (archives) to be ignored
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96 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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97 [b] arranged for output files for lwasm/lwlink to be removed if the assembly
833d392fec82 Arranged for lwasm and lwlink to remove the output file in case they fail
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98 or linking fails
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d6cba9d66979 Fixed bug with library search path
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99 [b] fixed incorrect handling of library search path which caused only the
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100 last directory to ever matter
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101 [ ] DECB output of LWLINK now collapses contiguous output blocks into single
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102 single blocks in the output file; this eliminates the explosion of
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103 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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104 [ ] LWLINK now displays *all* undefined symbols and references instead of
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105 bailing out after the first one
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106
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107 Version 2.2
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108
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109 [*] created LWAR to manage library/archive files
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110 [+] cescapes pragma to allow C-style string escapes in FCC, FCS, and FCN
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111 [+] .area alias for SECTION
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112 [+] .globl alias for EXPORT; also accept name of symbol as operand
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113 [+] various compatibility directive aliases for FCB, FDB, FQB, RMB, FCC,
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114 FCS, and FCN
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115 [+] accept "*" has a prefix for base page addressing mode
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116 [+] sections named "bss" or ".bss" in any case are now assumed to be
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117 BSS sections. The "!bss" flag can be used to remove that assumption.
169
99300be2d3bd Allow lines starting with # to be ignored
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118 [+] ignore lines starting with # to permit C pre-processor output to be used
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119 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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120 [+] allow "0x" and "0X" as prefixes to identify hexadecimal numbers
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121 [+] added support for a simple library/archive file format to LWLINK
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122 [b] actually show assembly errors when no list requested
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123 [b] pragma and --pragma now actually take multiple pragmas as documented
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124
148
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125 Version 2.1
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126
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127 [*] merged LWLINK (1.0) and LWASM to create LWTOOLS
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128 [+] [LWASM] pragmas can be specified on the command line
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129 [+] [LWASM] undefextern pragma added (undefined symbols treated as external)
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130 [+] documentation
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131 [b] [LWASM] made pragmas case insensitive
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132 [b] [LWASM] made EXTERN symbols never be part of a section in symbol table
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133
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134
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135 LWASM Version 2.0
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136
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137 [*] major rewrite of the entire assembler
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138 [+] object file support
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139
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140
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141 LWLINK Version 1.0
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142
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143 [*] initial released version