annotate lwasm/output.c @ 376:35d4213e6657

Add cycle counting to listing Add option to include instruction cycle counts to the listing. Thanks to Erik G <erik@6809.org> for the patch.
author William Astle <lost@l-w.ca>
date Mon, 13 Jul 2015 20:47:30 -0600
parents ade217fd76a5
children 4411a6123716
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /*
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2 output.c
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3 Copyright © 2009, 2010 William Astle
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4
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5 This file is part of LWASM.
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6
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7 LWASM is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 Contains the code for actually outputting the assembled code
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22 */
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23 #include <errno.h>
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24 #include <stdio.h>
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25 #include <string.h>
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26
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27 #ifndef _MSC_VER
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28 #include <unistd.h> // for unlink
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29 #endif
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30
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31 #include <lw_alloc.h>
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32 #include <lw_expr.h>
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33
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34 #include "lwasm.h"
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35
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36 void write_code_raw(asmstate_t *as, FILE *of);
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37 void write_code_decb(asmstate_t *as, FILE *of);
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38 void write_code_rawrel(asmstate_t *as, FILE *of);
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39 void write_code_obj(asmstate_t *as, FILE *of);
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40 void write_code_os9(asmstate_t *as, FILE *of);
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41 void write_code_hex(asmstate_t *as, FILE *of);
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42 void write_code_srec(asmstate_t *as, FILE *of);
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43 void write_code_ihex(asmstate_t *as, FILE *of);
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44
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45 // this prevents warnings about not using the return value of fwrite()
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46 // r++ prevents the "set but not used" warnings; should be optimized out
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47 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0)
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48
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49 void do_output(asmstate_t *as)
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50 {
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51 FILE *of;
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52
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53 if (as -> errorcount > 0)
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54 {
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55 fprintf(stderr, "Not doing output due to assembly errors.\n");
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56 return;
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57 }
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58
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59 of = fopen(as -> output_file, "wb");
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60 if (!of)
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61 {
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62 fprintf(stderr, "Cannot open '%s' for output", as -> output_file);
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63 perror("");
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64 return;
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65 }
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66
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67 switch (as -> output_format)
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68 {
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69 case OUTPUT_RAW:
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70 write_code_raw(as, of);
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71 break;
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72
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73 case OUTPUT_DECB:
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74 write_code_decb(as, of);
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75 break;
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76
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77 case OUTPUT_RAWREL:
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78 write_code_rawrel(as, of);
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79 break;
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80
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81 case OUTPUT_OBJ:
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82 write_code_obj(as, of);
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83 break;
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84
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85 case OUTPUT_OS9:
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86 write_code_os9(as, of);
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87 break;
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88
321
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89 case OUTPUT_HEX:
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90 write_code_hex(as, of);
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91 break;
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92
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93 case OUTPUT_SREC:
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94 write_code_srec(as, of);
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95 break;
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96
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97 case OUTPUT_IHEX:
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98 write_code_ihex(as, of);
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99 break;
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100
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101 default:
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102 fprintf(stderr, "BUG: unrecognized output format when generating output file\n");
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103 fclose(of);
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104 unlink(as -> output_file);
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105 return;
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106 }
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107
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108 fclose(of);
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109 }
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110
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111 /*
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112 rawrel output treats an ORG directive as an offset from the start of the
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113 file. Undefined results will occur if an ORG directive moves the output
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114 pointer backward. This particular implementation uses "fseek" to handle
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115 ORG requests and to skip over RMBs.
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116
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117 This simple brain damanged method simply does an fseek before outputting
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118 each instruction.
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119 */
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120 void write_code_rawrel(asmstate_t *as, FILE *of)
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121 {
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122 line_t *cl;
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123
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124 for (cl = as -> line_head; cl; cl = cl -> next)
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125 {
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126 if (cl -> outputl <= 0)
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127 continue;
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128
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129 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET);
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130 writebytes(cl -> output, cl -> outputl, 1, of);
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131 }
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132 }
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133
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134 /*
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135 raw merely writes all the bytes directly to the file as is. ORG is just a
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136 reference for the assembler to handle absolute references. Multiple ORG
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137 statements will produce mostly useless results
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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138 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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139 void write_code_raw(asmstate_t *as, FILE *of)
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140 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
141 line_t *cl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
142
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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143 for (cl = as -> line_head; cl; cl = cl -> next)
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144 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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145 if (cl -> len > 0 && cl -> outputl == 0)
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146 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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147 int i;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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148 for (i = 0; i < cl -> len; i++)
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149 writebytes("\0", 1, 1, of);
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150 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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151 }
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152 else if (cl -> outputl > 0)
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153 writebytes(cl -> output, cl -> outputl, 1, of);
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154 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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155 }
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156
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157
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158 /*
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159 OS9 target also just writes all the bytes in order. No need for anything
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160 else.
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161 */
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162 void write_code_os9(asmstate_t *as, FILE *of)
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163 {
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164 line_t *cl;
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165
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166 for (cl = as -> line_head; cl; cl = cl -> next)
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167 {
127
d92b9c968731 Removed protection from outputting code outside os9 module in os9 target
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168 // if (cl -> inmod == 0)
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169 // continue;
0
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170 if (cl -> len > 0 && cl -> outputl == 0)
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171 {
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172 int i;
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173 for (i = 0; i < cl -> len; i++)
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174 writebytes("\0", 1, 1, of);
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175 continue;
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176 }
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177 else if (cl -> outputl > 0)
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178 writebytes(cl -> output, cl -> outputl, 1, of);
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179 }
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180 }
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181
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182 void write_code_decb(asmstate_t *as, FILE *of)
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183 {
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184 long preambloc;
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185 line_t *cl;
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186 int blocklen = -1;
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187 int nextcalc = -1;
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188 unsigned char outbuf[5];
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189 int caddr;
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190
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191 for (cl = as -> line_head; cl; cl = cl -> next)
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192 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193 if (cl -> outputl < 0)
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194 continue;
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195 caddr = lw_expr_intval(cl -> addr);
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196 if (caddr != nextcalc && cl -> outputl > 0)
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197 {
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198 // need preamble here
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199 if (blocklen > 0)
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200 {
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201 // update previous preamble if needed
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202 fseek(of, preambloc, SEEK_SET);
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203 outbuf[0] = (blocklen >> 8) & 0xFF;
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204 outbuf[1] = blocklen & 0xFF;
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205 writebytes(outbuf, 2, 1, of);
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206 fseek(of, 0, SEEK_END);
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207 }
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208 blocklen = 0;
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209 nextcalc = caddr;
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210 outbuf[0] = 0x00;
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211 outbuf[1] = 0x00;
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212 outbuf[2] = 0x00;
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213 outbuf[3] = (nextcalc >> 8) & 0xFF;
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214 outbuf[4] = nextcalc & 0xFF;
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215 preambloc = ftell(of) + 1;
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216 writebytes(outbuf, 5, 1, of);
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217 }
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218 nextcalc += cl -> outputl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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219 writebytes(cl -> output, cl -> outputl, 1, of);
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220 blocklen += cl -> outputl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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221 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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222 if (blocklen > 0)
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223 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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224 fseek(of, preambloc, SEEK_SET);
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225 outbuf[0] = (blocklen >> 8) & 0xFF;
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226 outbuf[1] = blocklen & 0xFF;
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227 writebytes(outbuf, 2, 1, of);
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228 fseek(of, 0, SEEK_END);
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229 }
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230
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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231 // now write postamble
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232 outbuf[0] = 0xFF;
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233 outbuf[1] = 0x00;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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234 outbuf[2] = 0x00;
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235 outbuf[3] = (as -> execaddr >> 8) & 0xFF;
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236 outbuf[4] = (as -> execaddr) & 0xFF;
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237 writebytes(outbuf, 5, 1, of);
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238 }
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239
321
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diff changeset
240 int fetch_output_byte(line_t *cl, char *value, int *addr)
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diff changeset
241 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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242 static int outidx = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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243 static int lastaddr = -2;
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diff changeset
244
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245 // try to read next byte in current line's output field
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diff changeset
246 if ((cl -> outputl > 0) && (outidx < cl -> outputl))
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
247 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
248 *addr = lw_expr_intval(cl -> addr) + outidx;
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diff changeset
249 *value = *(cl -> output + outidx++);
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diff changeset
250
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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251 // this byte follows the previous byte (contiguous, rc = 1)
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252 if (*addr == lastaddr + 1)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
253 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
254 lastaddr = *addr;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
255 return 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
256 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
257
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
258 // this byte does not follow prev byte (disjoint, rc = -1)
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diff changeset
259 else
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diff changeset
260 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
261 lastaddr = *addr;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
262 return -1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
263 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
264 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
265
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
266 // no (more) output from this line (rc = 0)
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diff changeset
267 else
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
268 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
269 outidx = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
270 return 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
271 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
272 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
273
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diff changeset
274
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diff changeset
275 /* a simple ASCII hex file format */
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diff changeset
276
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diff changeset
277 void write_code_hex(asmstate_t *as, FILE *of)
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diff changeset
278 {
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diff changeset
279 const int RECLEN = 16;
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diff changeset
280
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diff changeset
281 line_t *cl;
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diff changeset
282 char outbyte;
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diff changeset
283 int outaddr;
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diff changeset
284 int rc;
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diff changeset
285
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diff changeset
286 for (cl = as -> line_head; cl; cl = cl -> next)
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diff changeset
287 do
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diff changeset
288 {
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diff changeset
289 rc = fetch_output_byte(cl, &outbyte, &outaddr);
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diff changeset
290
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diff changeset
291 // if address jump or xxx0 address, start new line
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diff changeset
292 if ((rc == -1) || ((rc == 1) && (outaddr % RECLEN == 0)))
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diff changeset
293 {
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diff changeset
294 fprintf(of, "\r\n%04X:", (unsigned int)outaddr);
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diff changeset
295 fprintf(of, "%02X", (unsigned char)outbyte);
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296 rc = -1;
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diff changeset
297 }
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diff changeset
298 if (rc == 1)
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diff changeset
299 fprintf(of, ",%02X", (unsigned char)outbyte);
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300 }
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diff changeset
301 while (rc);
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diff changeset
302 }
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diff changeset
303
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diff changeset
304
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diff changeset
305 /* Motorola S19 hex file format */
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diff changeset
306
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diff changeset
307 void write_code_srec(asmstate_t *as, FILE *of)
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diff changeset
308 {
360
ade217fd76a5 Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
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diff changeset
309 #define SRECLEN 16
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diff changeset
310 #define HDRLEN 51
321
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311
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diff changeset
312 line_t *cl;
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diff changeset
313 char outbyte;
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diff changeset
314 int outaddr;
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diff changeset
315 int rc;
360
ade217fd76a5 Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
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diff changeset
316 unsigned int i;
321
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diff changeset
317 int recaddr = 0;
360
ade217fd76a5 Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
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diff changeset
318 unsigned int recdlen = 0;
321
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diff changeset
319 unsigned char recdata[SRECLEN];
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diff changeset
320 int recsum;
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diff changeset
321 int reccnt = -1;
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diff changeset
322 char rechdr[HDRLEN];
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diff changeset
323
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diff changeset
324 for (cl = as -> line_head; cl; cl = cl -> next)
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diff changeset
325 do
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diff changeset
326 {
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diff changeset
327 rc = fetch_output_byte(cl, &outbyte, &outaddr);
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diff changeset
328
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diff changeset
329 // if address jump or xxx0 address, start new S1 record
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diff changeset
330 if ((rc == -1) || ((rc == 1) && (outaddr % SRECLEN == 0)))
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diff changeset
331 {
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diff changeset
332 // if not already done so, emit an S0 header record
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diff changeset
333 if (reccnt < 0)
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diff changeset
334 {
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diff changeset
335 // build header from version and filespec
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diff changeset
336 // e.g. "[lwtools X.Y] filename.asm"
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diff changeset
337 strcpy(rechdr, "[");
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parents: 221
diff changeset
338 strcat(rechdr, PACKAGE_STRING);
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diff changeset
339 strcat(rechdr, "] ");
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diff changeset
340 i = strlen(rechdr);
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parents: 221
diff changeset
341 strncat(rechdr, cl -> linespec, HDRLEN - 1 - i);
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diff changeset
342 recsum = strlen(rechdr) + 3;
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parents: 221
diff changeset
343 fprintf(of, "S0%02X0000", recsum);
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parents: 221
diff changeset
344 for (i = 0; i < strlen(rechdr); i++)
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parents: 221
diff changeset
345 {
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diff changeset
346 fprintf(of, "%02X", (unsigned char)rechdr[i]);
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diff changeset
347 recsum += (unsigned char)rechdr[i];
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diff changeset
348 }
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diff changeset
349 fprintf(of, "%02X\r\n", (unsigned char)(~recsum));
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diff changeset
350 reccnt = 0;
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parents: 221
diff changeset
351 }
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parents: 221
diff changeset
352
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diff changeset
353 // flush any current S1 record before starting new one
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parents: 221
diff changeset
354 if (recdlen > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
355 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
356 recsum = recdlen + 3;
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diff changeset
357 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr);
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parents: 221
diff changeset
358 for (i = 0; i < recdlen; i++)
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parents: 221
diff changeset
359 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
360 fprintf(of, "%02X", (unsigned char)recdata[i]);
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parents: 221
diff changeset
361 recsum += (unsigned char)recdata[i];
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diff changeset
362 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
363 recsum += (recaddr >> 8) & 0xFF;
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diff changeset
364 recsum += recaddr & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
365 fprintf(of, "%02X\r\n", (unsigned char)(~recsum));
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parents: 221
diff changeset
366 reccnt += 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
367 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
368
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff changeset
369 // now start the new S1 record
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parents: 221
diff changeset
370 recdlen = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
371 recaddr = outaddr;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
372 rc = 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
373 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
374
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
375 // for each new byte read, add to recdata[]
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parents: 221
diff changeset
376 if (rc == 1)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
377 recdata[recdlen++] = outbyte;
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parents: 221
diff changeset
378 }
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parents: 221
diff changeset
379 while (rc);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
380
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parents: 221
diff changeset
381 // done with all output lines, flush the final S1 record (if any)
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parents: 221
diff changeset
382 if (recdlen > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
383 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
384 recsum = recdlen + 3;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
385 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
386 for (i = 0; i < recdlen; i++)
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parents: 221
diff changeset
387 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
388 fprintf(of, "%02X", (unsigned char)recdata[i]);
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parents: 221
diff changeset
389 recsum += (unsigned char)recdata[i];
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parents: 221
diff changeset
390 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
391 recsum += (recaddr >> 8) & 0xFF;
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parents: 221
diff changeset
392 recsum += recaddr & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
393 fprintf(of, "%02X\r\n", (unsigned char)(~recsum));
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
394 reccnt += 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
395 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
396
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
397 // if any S1 records were output, close with S5 and S9 records
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parents: 221
diff changeset
398 if (reccnt > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
399 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
400 // emit S5 count record
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parents: 221
diff changeset
401 recsum = 3;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents: 221
diff changeset
402 recsum += (reccnt >> 8) & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
403 recsum += reccnt & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
404 fprintf(of, "S503%04X", (unsigned int)reccnt);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
405 fprintf(of, "%02X\r\n", (unsigned char)(~recsum));
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
406
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
407 // emit S9 end-of-file record
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
408 recsum = 3;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
409 recsum += (as -> execaddr >> 8) & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
410 recsum += (as -> execaddr) & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
411 fprintf(of, "S903%04X", as -> execaddr);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
412 fprintf(of, "%02X\r\n", (unsigned char)(~recsum));
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
413 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
414 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
415
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
416
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
417 /* Intel hex file format */
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
418
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
419 void write_code_ihex(asmstate_t *as, FILE *of)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
420 {
360
ade217fd76a5 Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
parents: 321
diff changeset
421 #define IRECLEN 16
321
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
422
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
423 line_t *cl;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
424 char outbyte;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
425 int outaddr;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
426 int rc;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
427 int i;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
428 int recaddr = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
429 int recdlen = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
430 unsigned char recdata[IRECLEN];
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
431 int recsum;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
432 int reccnt = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
433
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
434 for (cl = as -> line_head; cl; cl = cl -> next)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
435 do
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
436 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
437 rc = fetch_output_byte(cl, &outbyte, &outaddr);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
438
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
439 // if address jump or xxx0 address, start new ihx record
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
440 if ((rc == -1) || ((rc == 1) && (outaddr % IRECLEN == 0)))
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
441 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
442 // flush any current ihex record before starting new one
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
443 if (recdlen > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
444 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
445 recsum = recdlen;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
446 fprintf(of, ":%02X%04X00", recdlen, recaddr);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
447 for (i = 0; i < recdlen; i++)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
448 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
449 fprintf(of, "%02X", (unsigned char)recdata[i]);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
450 recsum += (unsigned char)recdata[i];
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
451 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
452 recsum += (recaddr >> 8) & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
453 recsum += recaddr & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
454 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum));
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
455 reccnt += 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
456 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
457
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
458 // now start the new ihex record
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
459 recdlen = 0;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
460 recaddr = outaddr;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
461 rc = 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
462 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
463
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
464 // for each new byte read, add to recdata[]
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
465 if (rc == 1)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
466 recdata[recdlen++] = outbyte;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
467 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
468 while (rc);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
469
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
470 // done with all output lines, flush the final ihex record (if any)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
471 if (recdlen > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
472 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
473 recsum = recdlen;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
474 fprintf(of, ":%02X%04X00", recdlen, recaddr);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
475 for (i = 0; i < recdlen; i++)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
476 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
477 fprintf(of, "%02X", (unsigned char)recdata[i]);
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
478 recsum += (unsigned char)recdata[i];
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
479 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
480 recsum += (recaddr >> 8) & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
481 recsum += recaddr & 0xFF;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
482 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum));
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
483 reccnt += 1;
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
484 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
485
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
486 // if any ihex records were output, close with a "01" record
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
487 if (reccnt > 0)
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
488 {
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
489 fprintf(of, ":00000001FF");
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
490 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
491 }
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
492
d4ac484d0ec6 Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents: 221
diff changeset
493
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
494 void write_code_obj_sbadd(sectiontab_t *s, unsigned char b)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
495 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
496 if (s -> oblen >= s -> obsize)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
497 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
498 s -> obytes = lw_realloc(s -> obytes, s -> obsize + 128);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
499 s -> obsize += 128;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
500 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
501 s -> obytes[s -> oblen] = b;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
502 s -> oblen += 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
503 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
504
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
505
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
506 int write_code_obj_expraux(lw_expr_t e, void *of)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
507 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
508 int tt;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
509 int v;
12
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
510 int count = 1;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
511 unsigned char buf[16];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
512
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
513 tt = lw_expr_type(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
514
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
515 switch (tt)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
516 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
517 case lw_expr_type_oper:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
518 buf[0] = 0x04;
12
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
519
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
520 switch (lw_expr_whichop(e))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
521 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
522 case lw_expr_oper_plus:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
523 buf[1] = 0x01;
12
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
524 count = lw_expr_operandcount(e) - 1;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
525 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
526
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
527 case lw_expr_oper_minus:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
528 buf[1] = 0x02;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
529 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
530
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
531 case lw_expr_oper_times:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
532 buf[1] = 0x03;
12
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
533 count = lw_expr_operandcount(e) - 1;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
534 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
535
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
536 case lw_expr_oper_divide:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
537 buf[1] = 0x04;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
538 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
539
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
540 case lw_expr_oper_mod:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
541 buf[1] = 0x05;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
542 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
543
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
544 case lw_expr_oper_intdiv:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
545 buf[1] = 0x06;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
546 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
547
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
548 case lw_expr_oper_bwand:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
549 buf[1] = 0x07;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
550 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
551
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
552 case lw_expr_oper_bwor:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
553 buf[1] = 0x08;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
554 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
555
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
556 case lw_expr_oper_bwxor:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
557 buf[1] = 0x09;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
558 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
559
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
560 case lw_expr_oper_and:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
561 buf[1] = 0x0A;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
562 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
563
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
564 case lw_expr_oper_or:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
565 buf[1] = 0x0B;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
566 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
567
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
568 case lw_expr_oper_neg:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
569 buf[1] = 0x0C;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
570 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
571
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
572 case lw_expr_oper_com:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
573 buf[1] = 0x0D;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
574 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
575
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
576 default:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
577 buf[1] = 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
578 }
12
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
579 while (count--)
6b9991fb39b6 Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
lost@l-w.ca
parents: 2
diff changeset
580 writebytes(buf, 2, 1, of);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
581 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
582
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
583 case lw_expr_type_int:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
584 v = lw_expr_intval(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
585 buf[0] = 0x01;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
586 buf[1] = (v >> 8) & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
587 buf[2] = v & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
588 writebytes(buf, 3, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
589 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
590
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
591 case lw_expr_type_special:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
592 v = lw_expr_specint(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
593 switch (v)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
594 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
595 case lwasm_expr_secbase:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
596 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
597 // replaced with a synthetic symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
598 sectiontab_t *se;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
599 se = lw_expr_specptr(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
600
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
601 writebytes("\x03\x02", 2, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
602 writebytes(se -> name, strlen(se -> name) + 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
603 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
604 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
605 case lwasm_expr_import:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
606 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
607 importlist_t *ie;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
608 ie = lw_expr_specptr(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
609 buf[0] = 0x02;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
610 writebytes(buf, 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
611 writebytes(ie -> symbol, strlen(ie -> symbol) + 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
612 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
613 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
614 case lwasm_expr_syment:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
615 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
616 struct symtabe *se;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
617 se = lw_expr_specptr(e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
618 buf[0] = 0x03;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
619 writebytes(buf, 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
620 writebytes(se -> symbol, strlen(se -> symbol), 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
621 if (se -> context != -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
622 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
623 sprintf((char *)buf, "\x01%d", se -> context);
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
624 writebytes(buf, strlen((char *)buf), 1, of);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
625 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
626 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
627 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
628 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
629 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
630
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
631 default:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
632 // unrecognized term type - replace with integer 0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
633 // fprintf(stderr, "Unrecognized term type: %s\n", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
634 buf[0] = 0x01;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
635 buf[1] = 0x00;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
636 buf[2] = 0x00;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
637 writebytes(buf, 3, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
638 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
639 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
640 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
641 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
642
195
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
643 void write_code_obj_auxsym(asmstate_t *as, FILE *of, sectiontab_t *s, struct symtabe *se2)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
644 {
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
645 struct symtabe *se;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
646 unsigned char buf[16];
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
647
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
648 if (!se2)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
649 return;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
650 write_code_obj_auxsym(as, of, s, se2 -> left);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
651
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
652 for (se = se2; se; se = se -> nextver)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
653 {
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
654 lw_expr_t te;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
655
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
656 debug_message(as, 200, "Consider symbol %s (%p) for export in section %p", se -> symbol, se -> section, s);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
657
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
658 // ignore symbols not in this section
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
659 if (se -> section != s)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
660 continue;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
661
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
662 debug_message(as, 200, " In section");
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
663
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
664 if (se -> flags & symbol_flag_set)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
665 continue;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
666
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
667 debug_message(as, 200, " Not symbol_flag_set");
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
668
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
669 te = lw_expr_copy(se -> value);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
670 debug_message(as, 200, " Value=%s", lw_expr_print(te));
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
671 as -> exportcheck = 1;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
672 as -> csect = s;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
673 lwasm_reduce_expr(as, te);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
674 as -> exportcheck = 0;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
675
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
676 debug_message(as, 200, " Value2=%s", lw_expr_print(te));
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
677
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
678 // don't output non-constant symbols
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
679 if (!lw_expr_istype(te, lw_expr_type_int))
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
680 {
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
681 lw_expr_destroy(te);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
682 continue;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
683 }
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
684
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
685 writebytes(se -> symbol, strlen(se -> symbol), 1, of);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
686 if (se -> context >= 0)
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
687 {
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
688 writebytes("\x01", 1, 1, of);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
689 sprintf((char *)buf, "%d", se -> context);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
690 writebytes(buf, strlen((char *)buf), 1, of);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
691 }
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
692 // the "" is NOT an error
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
693 writebytes("", 1, 1, of);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
694
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
695 // write the address
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
696 buf[0] = (lw_expr_intval(te) >> 8) & 0xff;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
697 buf[1] = lw_expr_intval(te) & 0xff;
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
698 writebytes(buf, 2, 1, of);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
699 lw_expr_destroy(te);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
700 }
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
701 write_code_obj_auxsym(as, of, s, se2 -> right);
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
702 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
703
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
704 void write_code_obj(asmstate_t *as, FILE *of)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
705 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
706 line_t *l;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
707 sectiontab_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
708 reloctab_t *re;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
709 exportlist_t *ex;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
710
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
711 int i;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
712 unsigned char buf[16];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
713
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
714 // output the magic number and file header
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
715 // the 8 is NOT an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
716 writebytes("LWOBJ16", 8, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
717
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
718 // run through the entire system and build the byte streams for each
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
719 // section; at the same time, generate a list of "local" symbols to
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
720 // output for each section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
721 // NOTE: for "local" symbols, we will append \x01 and the ascii string
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
722 // of the context identifier (so sym in context 1 would be "sym\x011"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
723 // we can do this because the linker can handle symbols with any
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
724 // character other than NUL.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
725 // also we will generate a list of incomplete references for each
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
726 // section along with the actual definition that will be output
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
727
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
728 // once all this information is generated, we will output each section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
729 // to the file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
730
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
731 // NOTE: we build everything in memory then output it because the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
732 // assembler accepts multiple instances of the same section but the
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
733 // linker expects only one instance of each section in the object file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
734 // so we need to collect all the various pieces of a section together
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
735 // (also, the assembler treated multiple instances of the same section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
736 // as continuations of previous sections so we would need to collect
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
737 // them together anyway.
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
738
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
739 for (l = as -> line_head; l; l = l -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
740 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
741 if (l -> csect)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
742 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
743 // we're in a section - need to output some bytes
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
744 if (l -> outputl > 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
745 for (i = 0; i < l -> outputl; i++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
746 write_code_obj_sbadd(l -> csect, l -> output[i]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
747 else if (l -> outputl == 0 || l -> outputl == -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
748 for (i = 0; i < l -> len; i++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
749 write_code_obj_sbadd(l -> csect, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
750 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
751 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
752
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
753 // run through the sections
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
754 for (s = as -> sections; s; s = s -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
755 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
756 // write the name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
757 writebytes(s -> name, strlen(s -> name) + 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
758
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
759 // write the flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
760 if (s -> flags & section_flag_bss)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
761 writebytes("\x01", 1, 1, of);
156
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
762 if (s -> flags & section_flag_constant)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
763 writebytes("\x02", 1, 1, of);
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
764
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
765 // indicate end of flags - the "" is NOT an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
766 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
767
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
768 // now the local symbols
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
769
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
770 // a symbol for section base address
156
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
771 if ((s -> flags & section_flag_constant) == 0)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
772 {
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
773 writebytes("\x02", 1, 1, of);
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
774 writebytes(s -> name, strlen(s -> name) + 1, 1, of);
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
775 // address 0; "\0" is not an error
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
776 writebytes("\0", 2, 1, of);
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
777 }
195
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
778
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
779 write_code_obj_auxsym(as, of, s, as -> symtab.head);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
780 // flag end of local symbol table - "" is NOT an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
781 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
782
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
783 // now the exports -- FIXME
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
784 for (ex = as -> exportlist; ex; ex = ex -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
785 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
786 int eval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
787 lw_expr_t te;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
788 line_t tl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
789
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
790 if (ex -> se == NULL)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
791 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
792 if (ex -> se -> section != s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
793 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
794 te = lw_expr_copy(ex -> se -> value);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
795 as -> csect = ex -> se -> section;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
796 as -> exportcheck = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
797 tl.as = as;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
798 as -> cl = &tl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
799 lwasm_reduce_expr(as, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
800 as -> exportcheck = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
801 as -> cl = NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
802 if (!lw_expr_istype(te, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
803 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
804 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
805 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
806 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
807 eval = lw_expr_intval(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
808 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
809 writebytes(ex -> symbol, strlen(ex -> symbol) + 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
810 buf[0] = (eval >> 8) & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
811 buf[1] = eval & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
812 writebytes(buf, 2, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
813 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
814
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
815 // flag end of exported symbols - "" is NOT an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
816 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
817
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
818 // FIXME - relocation table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
819 for (re = s -> reloctab; re; re = re -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
820 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
821 int offset;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
822 lw_expr_t te;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
823 line_t tl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
824
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
825 tl.as = as;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
826 as -> cl = &tl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
827 as -> csect = s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
828 as -> exportcheck = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
829
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
830 if (re -> expr == NULL)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
831 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
832 // this is an error but we'll simply ignore it
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
833 // and not output this expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
834 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
835 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
836
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
837 // work through each term in the expression and output
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
838 // the proper equivalent to the object file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
839 if (re -> size == 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
840 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
841 // flag an 8 bit relocation (low 8 bits will be used)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
842 buf[0] = 0xFF;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
843 buf[1] = 0x01;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
844 writebytes(buf, 2, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
845 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
846
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
847 te = lw_expr_copy(re -> offset);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
848 lwasm_reduce_expr(as, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
849 if (!lw_expr_istype(te, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
850 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
851 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
852 continue;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
853 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
854 offset = lw_expr_intval(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
855 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
856
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
857 // output expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
858 lw_expr_testterms(re -> expr, write_code_obj_expraux, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
859
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
860 // flag end of expressions
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
861 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
862
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
863 // write the offset
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
864 buf[0] = (offset >> 8) & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
865 buf[1] = offset & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
866 writebytes(buf, 2, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
867 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
868
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
869 // flag end of incomplete references list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
870 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
871
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
872 // now blast out the code
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
873
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
874 // length
156
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
875 if (s -> flags & section_flag_constant)
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
876 {
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
877 buf[0] = 0;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
878 buf[1] = 0;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
879 }
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
880 else
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
881 {
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
882 buf[0] = s -> oblen >> 8 & 0xff;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
883 buf[1] = s -> oblen & 0xff;
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
884 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
885 writebytes(buf, 2, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
886
156
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
887
fc8386b13399 Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents: 127
diff changeset
888 if (!(s -> flags & section_flag_bss) && !(s -> flags & section_flag_constant))
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
889 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
890 writebytes(s -> obytes, s -> oblen, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
891 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
892 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
893
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
894 // flag no more sections
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
895 // the "" is NOT an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
896 writebytes("", 1, 1, of);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
897 }