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Add various operators to lwcc Add various binary and ternary operators to lwcc, but only those which can work with constant operands. Seems like variables are probably required next.
author William Astle <lost@l-w.ca>
date Wed, 25 Sep 2019 20:23:49 -0600
parents a3711f5ac569
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/bin/sh
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2 #
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3 #
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4 # Copyright 2009 by William Astle <lost@l-w.ca>
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5 #
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6 #This file is part of LWTOOLS.
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7 #
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8 #LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 #terms of the GNU General Public License as published by the Free Software
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10 #Foundation, either version 3 of the License, or (at your option) any later
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11 #version.
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12 #
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13 #This program is distributed in the hope that it will be useful, but WITHOUT
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14 #ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 #FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 #more details.
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17 #
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18 #You should have received a copy of the GNU General Public License along with
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19 #this program. If not, see <http://www.gnu.org/licenses/>.
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20
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21 # this was based somewhat on the "as" script from gcc6809
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22
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23 #echo "LWTOOLS-ld $0 $*"
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24 path_to_lwlink=lwlink
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25
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26 # Set defaults. Some are based on the target type, which is
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27 # determined by the name by which the program was invoked.
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28 output_file=a.out
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29 libpaths=
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30 libs=
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31 stdlibpaths="-L=/usr/local/lib -L=/usr/lib -L=/lib"
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32 verbose=
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33
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34 if [ "$verbose" = 1 ]; then
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35 echo "$0 $@"
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36 fi
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37
72
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38 case $0 in
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39 *m6809-coco-*)
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40 options="--format=decb"
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41 # options="-b .text=0x2000 -b .data=0x7000 -b .bss=0x7C00 -b .ctors=0x7F00 -b .dtors=0x7F80 -b vector=0x7FF0"
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42 # aslink_options="-nwxst"
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43 # exe_suffix=.bin
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44 ;;
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45 *)
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46 options="--format=raw"
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47 # options="-b .text=0x8000 -b .data=0x1000 -b .bss=0x0100 -b .ctors=0xFD00 -b .dtors=0xFE00 -b vector=0xFFF0"
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48 # aslink_options="-nwxso"
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49 # exe_suffix=.s19
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50 ;;
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51 esac
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52
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53
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54 while [ "$*" != "" ]; do
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55 arg=$1; shift
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56 case $arg in
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57 -d|-dc|-dp)
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58 # force allocation of space to common symbols
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59 # even if relocatable output file is specified
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60 # not supported by targets
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61 ;;
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62 -X)
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63 # strip unneeded stuff
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64 # ignored - really just a no-op
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65 ;;
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66 -gn)
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67 # Generate NoICE debug file
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68 # ignored because debugging not supported by targets
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69 ;;
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70 -gs)
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71 # Generate SDCC debug file
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72 # ignored because debugging not supported by targets
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73 ;;
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74 -o)
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75 output_file=$1; shift
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76 ;;
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77 --oformat=*)
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78 arg=${arg#--oformat=};
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79 options="$options --format=$arg"
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80 ;;
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81 -L*)
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82 arg=${arg#-L}
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83 libpaths="$libpaths --library-path=$arg"
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84 ;;
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85 -l*)
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86 arg=${arg#-l}
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87 libs="$libs --library=$arg"
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88 ;;
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89 --section-start)
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90 section_value=$1; shift
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91 options="$options --section-base=$section_value"
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92 ;;
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93
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94 -Map=*)
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95 arg=${arg#-Map=};
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96 options="$options --map=$arg"
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97 ;;
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98
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99 --script=*)
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100 options="$options $arg"
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101 ;;
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102 -T)
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103 options="$options --script=$1"; shift
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104 ;;
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105 -Tbss)
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106 options="$options --section-base=.bss=$1"; shift
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107 ;;
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108 -Tdata)
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109 options="$options --section-base=.data=$1"; shift
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110 ;;
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111 -Ttext|-Tcode)
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112 options="$options --section-base=.text=$1"; shift
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113 ;;
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114 -v|--verbose)
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115 verbose=1
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116 ;;
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117 *crt0.o)
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118 startup_files=$arg
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119 ;;
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120 -g)
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121 # Ignored by GNU ld; we should do the same
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122 ;;
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123 -h|--help)
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124 echo "ld (m6809)"
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125 exit 0
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126 ;;
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127 --format-lwex)
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128 options="$options --format=lwex"
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129 ;;
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130
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131 --sysroot=*)
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132 options="$options $arg"
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133 ;;
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134
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135 -nostdlib)
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136 stdlibpaths=
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137 ;;
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138
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139 -e)
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140 options="$options --entry=$1"
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141 shift
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142 ;;
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143
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144 --entry)
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145 options="$options $arg"
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146 ;;
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147
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148 --relax)
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149 ;;
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150 --start-group)
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151 ;;
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152 --end-group)
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153 ;;
26d2791672b1 Update the "ld" wrapper
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154 --gc-sections)
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155 ;;
72
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156 -*)
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157 echo "ld (m6809): unknown option $arg"
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158 exit 1
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159 ;;
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160 *)
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161 input_files="$input_files $arg"
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162 ;;
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163 esac
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164 done
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165
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166 options="$options -o $output_file"
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167
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168 if [ "$verbose" = "1" ]; then
179
606123758641 Added --sysroot support to lwlink and the ld wrapper script
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169 echo "$path_to_lwlink $options $input_files $startup_files $libpaths $stdlibpaths $libs"
72
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170 fi
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171
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172 $path_to_lwlink $options $input_files $startup_files $libpaths $libs
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173 rc=$?
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174
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175 if [ "$rc" != "0" ]; then
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176 rm -f $output_file
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177 exit $rc
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178 fi