Mercurial > hg > index.cgi
annotate lwasm/output.c @ 305:54f213c8fb81 ccdev
Various bugfixes and output tuning
Tuned output of preprocessor to include line markers similar to the ones
added by the gcc preprocessor.
Also, many fixes for various bits of dumbosity leading to misbehaviour and
crashing.
author | William Astle <lost@l-w.ca> |
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date | Wed, 18 Sep 2013 19:17:52 -0600 |
parents | 2b784a28428e |
children | d4ac484d0ec6 |
rev | line source |
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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 #include <unistd.h> |
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27 |
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28 #include <lw_alloc.h> |
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29 #include <lw_expr.h> |
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30 |
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31 #include "lwasm.h" |
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32 |
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33 void write_code_raw(asmstate_t *as, FILE *of); |
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34 void write_code_decb(asmstate_t *as, FILE *of); |
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35 void write_code_rawrel(asmstate_t *as, FILE *of); |
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36 void write_code_obj(asmstate_t *as, FILE *of); |
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37 void write_code_os9(asmstate_t *as, FILE *of); |
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38 |
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39 // this prevents warnings about not using the return value of fwrite() |
221 | 40 // r++ prevents the "set but not used" warnings; should be optimized out |
41 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0) | |
0
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42 |
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43 void do_output(asmstate_t *as) |
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44 { |
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45 FILE *of; |
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46 |
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47 if (as -> errorcount > 0) |
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48 { |
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49 fprintf(stderr, "Not doing output due to assembly errors.\n"); |
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50 return; |
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51 } |
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52 |
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53 of = fopen(as -> output_file, "wb"); |
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54 if (!of) |
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55 { |
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56 fprintf(stderr, "Cannot open '%s' for output", as -> output_file); |
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57 perror(""); |
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58 return; |
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59 } |
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60 |
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61 switch (as -> output_format) |
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62 { |
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63 case OUTPUT_RAW: |
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64 write_code_raw(as, of); |
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65 break; |
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66 |
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67 case OUTPUT_DECB: |
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68 write_code_decb(as, of); |
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69 break; |
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70 |
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71 case OUTPUT_RAWREL: |
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72 write_code_rawrel(as, of); |
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73 break; |
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74 |
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75 case OUTPUT_OBJ: |
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76 write_code_obj(as, of); |
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77 break; |
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78 |
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79 case OUTPUT_OS9: |
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80 write_code_os9(as, of); |
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81 break; |
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82 |
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83 default: |
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84 fprintf(stderr, "BUG: unrecognized output format when generating output file\n"); |
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85 fclose(of); |
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86 unlink(as -> output_file); |
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87 return; |
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88 } |
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89 |
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90 fclose(of); |
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91 } |
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92 |
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93 /* |
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94 rawrel output treats an ORG directive as an offset from the start of the |
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95 file. Undefined results will occur if an ORG directive moves the output |
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96 pointer backward. This particular implementation uses "fseek" to handle |
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97 ORG requests and to skip over RMBs. |
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98 |
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99 This simple brain damanged method simply does an fseek before outputting |
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100 each instruction. |
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101 */ |
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102 void write_code_rawrel(asmstate_t *as, FILE *of) |
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103 { |
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104 line_t *cl; |
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105 |
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106 for (cl = as -> line_head; cl; cl = cl -> next) |
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107 { |
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108 if (cl -> outputl <= 0) |
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109 continue; |
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110 |
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111 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET); |
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112 writebytes(cl -> output, cl -> outputl, 1, of); |
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113 } |
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114 } |
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115 |
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116 /* |
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117 raw merely writes all the bytes directly to the file as is. ORG is just a |
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118 reference for the assembler to handle absolute references. Multiple ORG |
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119 statements will produce mostly useless results |
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120 */ |
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121 void write_code_raw(asmstate_t *as, FILE *of) |
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122 { |
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123 line_t *cl; |
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124 |
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125 for (cl = as -> line_head; cl; cl = cl -> next) |
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126 { |
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127 if (cl -> len > 0 && cl -> outputl == 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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128 { |
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129 int i; |
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130 for (i = 0; i < cl -> len; i++) |
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131 writebytes("\0", 1, 1, of); |
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132 continue; |
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133 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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134 else if (cl -> outputl > 0) |
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135 writebytes(cl -> output, cl -> outputl, 1, of); |
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136 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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137 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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138 |
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139 |
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140 /* |
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141 OS9 target also just writes all the bytes in order. No need for anything |
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142 else. |
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143 */ |
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144 void write_code_os9(asmstate_t *as, FILE *of) |
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145 { |
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146 line_t *cl; |
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147 |
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148 for (cl = as -> line_head; cl; cl = cl -> next) |
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149 { |
127
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150 // if (cl -> inmod == 0) |
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151 // continue; |
0
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152 if (cl -> len > 0 && cl -> outputl == 0) |
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153 { |
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154 int i; |
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155 for (i = 0; i < cl -> len; i++) |
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156 writebytes("\0", 1, 1, of); |
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157 continue; |
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158 } |
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159 else if (cl -> outputl > 0) |
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160 writebytes(cl -> output, cl -> outputl, 1, of); |
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161 } |
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162 } |
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163 |
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164 void write_code_decb(asmstate_t *as, FILE *of) |
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165 { |
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166 long preambloc; |
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167 line_t *cl; |
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168 int blocklen = -1; |
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169 int nextcalc = -1; |
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170 unsigned char outbuf[5]; |
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171 int caddr; |
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172 |
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173 for (cl = as -> line_head; cl; cl = cl -> next) |
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174 { |
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175 if (cl -> outputl < 0) |
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176 continue; |
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177 caddr = lw_expr_intval(cl -> addr); |
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178 if (caddr != nextcalc && cl -> outputl > 0) |
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179 { |
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180 // need preamble here |
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181 if (blocklen > 0) |
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182 { |
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183 // update previous preamble if needed |
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184 fseek(of, preambloc, SEEK_SET); |
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185 outbuf[0] = (blocklen >> 8) & 0xFF; |
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186 outbuf[1] = blocklen & 0xFF; |
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187 writebytes(outbuf, 2, 1, of); |
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188 fseek(of, 0, SEEK_END); |
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189 } |
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190 blocklen = 0; |
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191 nextcalc = caddr; |
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192 outbuf[0] = 0x00; |
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193 outbuf[1] = 0x00; |
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194 outbuf[2] = 0x00; |
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195 outbuf[3] = (nextcalc >> 8) & 0xFF; |
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196 outbuf[4] = nextcalc & 0xFF; |
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197 preambloc = ftell(of) + 1; |
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198 writebytes(outbuf, 5, 1, of); |
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199 } |
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200 nextcalc += cl -> outputl; |
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201 writebytes(cl -> output, cl -> outputl, 1, of); |
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202 blocklen += cl -> outputl; |
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203 } |
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204 if (blocklen > 0) |
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205 { |
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206 fseek(of, preambloc, SEEK_SET); |
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207 outbuf[0] = (blocklen >> 8) & 0xFF; |
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208 outbuf[1] = blocklen & 0xFF; |
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209 writebytes(outbuf, 2, 1, of); |
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210 fseek(of, 0, SEEK_END); |
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211 } |
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212 |
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213 // now write postamble |
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214 outbuf[0] = 0xFF; |
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215 outbuf[1] = 0x00; |
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216 outbuf[2] = 0x00; |
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217 outbuf[3] = (as -> execaddr >> 8) & 0xFF; |
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218 outbuf[4] = (as -> execaddr) & 0xFF; |
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219 writebytes(outbuf, 5, 1, of); |
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220 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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221 |
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222 void write_code_obj_sbadd(sectiontab_t *s, unsigned char b) |
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223 { |
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224 if (s -> oblen >= s -> obsize) |
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225 { |
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226 s -> obytes = lw_realloc(s -> obytes, s -> obsize + 128); |
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227 s -> obsize += 128; |
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228 } |
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229 s -> obytes[s -> oblen] = b; |
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230 s -> oblen += 1; |
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231 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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232 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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233 |
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234 int write_code_obj_expraux(lw_expr_t e, void *of) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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235 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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236 int tt; |
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237 int v; |
12
6b9991fb39b6
Brought forward patch to fix bug with complex external references generating invalid relocations in the object file
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238 int count = 1; |
0
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239 unsigned char buf[16]; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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240 |
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241 tt = lw_expr_type(e); |
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242 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
243 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
|
244 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
245 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
|
246 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
|
247 |
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
|
248 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
|
249 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
250 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
|
251 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
|
252 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
|
253 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
|
254 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
255 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
|
256 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
|
257 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
|
258 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
259 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
|
260 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
|
261 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
|
262 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
|
263 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
264 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
|
265 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
|
266 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
|
267 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
268 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
|
269 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
|
270 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
|
271 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
272 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
|
273 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
|
274 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
|
275 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
276 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
|
277 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
|
278 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
|
279 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
280 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
|
281 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
|
282 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
|
283 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
284 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
|
285 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
|
286 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
|
287 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
288 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
|
289 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
|
290 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
|
291 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
292 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
|
293 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
|
294 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
|
295 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
296 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
|
297 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
|
298 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
|
299 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
300 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
|
301 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
|
302 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
|
303 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
304 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
|
305 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
|
306 } |
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
|
307 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
|
308 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
|
309 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
|
310 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
311 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
|
312 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
|
313 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
|
314 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
|
315 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
|
316 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
|
317 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
|
318 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
319 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
|
320 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
|
321 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
|
322 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
323 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
|
324 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
325 // 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
|
326 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
|
327 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
|
328 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
329 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
|
330 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
|
331 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
|
332 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
333 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
|
334 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
335 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
|
336 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
|
337 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
|
338 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
|
339 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
|
340 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
|
341 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
342 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
|
343 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
344 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
|
345 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
|
346 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
|
347 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
|
348 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
|
349 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
|
350 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
351 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
|
352 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
|
353 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
354 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
|
355 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
|
356 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
357 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
358 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
359 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
|
360 // 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
|
361 // 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
|
362 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
|
363 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
|
364 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
|
365 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
|
366 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
|
367 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
368 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
|
369 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
370 |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
371 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
|
372 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
373 struct symtabe *se; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
374 unsigned char buf[16]; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
375 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
376 if (!se2) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
377 return; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
378 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
|
379 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
380 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
|
381 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
382 lw_expr_t te; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
383 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
384 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
|
385 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
386 // 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
|
387 if (se -> section != s) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
388 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
389 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
390 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
|
391 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
392 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
|
393 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
394 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
395 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
|
396 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
397 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
|
398 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
|
399 as -> exportcheck = 1; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
400 as -> csect = s; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
401 lwasm_reduce_expr(as, te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
402 as -> exportcheck = 0; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
403 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
404 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
|
405 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
406 // 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
|
407 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
|
408 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
409 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
410 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
411 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
412 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
413 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
|
414 if (se -> context >= 0) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
415 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
416 writebytes("\x01", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
417 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
|
418 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
|
419 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
420 // the "" is NOT an error |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
421 writebytes("", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
422 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
423 // write the address |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
424 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
|
425 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
|
426 writebytes(buf, 2, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
427 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
428 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
429 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
|
430 } |
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
|
431 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
432 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
|
433 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
434 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
|
435 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
|
436 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
|
437 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
|
438 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
439 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
|
440 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
|
441 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
442 // 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
|
443 // 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
|
444 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
|
445 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
446 // 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
|
447 // 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
|
448 // 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
|
449 // 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
|
450 // 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
|
451 // 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
|
452 // 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
|
453 // 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
|
454 // 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
|
455 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
456 // 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
|
457 // 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
|
458 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
459 // 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
|
460 // 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
|
461 // 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
|
462 // 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
|
463 // (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
|
464 // 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
|
465 // 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
|
466 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
467 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
|
468 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
469 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
|
470 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
471 // 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
|
472 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
|
473 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
|
474 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
|
475 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
|
476 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
|
477 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
|
478 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
479 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
480 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
481 // 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
|
482 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
|
483 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
484 // 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
|
485 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
|
486 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
487 // 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
|
488 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
|
489 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
|
490 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
|
491 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
|
492 |
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
|
493 // 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
|
494 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
|
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 // 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
|
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 // 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
|
499 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
|
500 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
501 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
|
502 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
|
503 // 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
|
504 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
|
505 } |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
506 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
507 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
|
508 // 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
|
509 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
|
510 |
2c24602be78f
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 // 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
|
512 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
|
513 { |
2c24602be78f
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 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
|
515 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
|
516 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
|
517 |
2c24602be78f
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 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
|
519 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
|
520 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
|
521 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
|
522 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
|
523 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
|
524 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
|
525 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
|
526 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
|
527 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
|
528 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
|
529 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
|
530 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
|
531 { |
2c24602be78f
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 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
|
533 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
|
534 } |
2c24602be78f
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 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
|
536 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
|
537 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
|
538 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
|
539 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
|
540 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
|
541 } |
2c24602be78f
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 |
2c24602be78f
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 // 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
|
544 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
|
545 |
2c24602be78f
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 // 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
|
547 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
|
548 { |
2c24602be78f
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 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
|
550 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
|
551 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
|
552 |
2c24602be78f
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 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
|
554 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
|
555 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
|
556 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
|
557 |
2c24602be78f
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 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
|
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 // 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
|
561 // 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
|
562 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
|
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 |
2c24602be78f
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 // 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
|
566 // 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
|
567 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
|
568 { |
2c24602be78f
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 // 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
|
570 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
|
571 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
|
572 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
|
573 } |
2c24602be78f
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 |
2c24602be78f
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 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
|
576 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
|
577 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
|
578 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
579 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
|
580 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
|
581 } |
2c24602be78f
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 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
|
583 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
|
584 |
2c24602be78f
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 // 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
|
586 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
|
587 |
2c24602be78f
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 // 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
|
589 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
|
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 // 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
|
592 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
|
593 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
|
594 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
|
595 } |
2c24602be78f
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 // 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
|
598 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
|
599 |
2c24602be78f
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 // 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
|
601 |
2c24602be78f
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 // length |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
603 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
|
604 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
605 buf[0] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
606 buf[1] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
607 } |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
608 else |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
609 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
610 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
|
611 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
|
612 } |
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 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
|
614 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
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615 |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
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616 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
|
617 { |
2c24602be78f
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 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
|
619 } |
2c24602be78f
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 } |
2c24602be78f
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 |
2c24602be78f
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 // 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
|
623 // 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
|
624 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
|
625 } |