Mercurial > hg > index.cgi
annotate lwasm/output.c @ 569:37014b2935bf lwtools-4.22
Bump version in preparation for release
author | William Astle <lost@l-w.ca> |
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date | Fri, 22 Dec 2023 21:03:18 -0700 |
parents | e10618b48e68 |
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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 #include "instab.h" |
0
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36 |
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37 void write_code_raw(asmstate_t *as, FILE *of); |
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38 void write_code_decb(asmstate_t *as, FILE *of); |
406 | 39 void write_code_BASIC(asmstate_t *as, FILE *of); |
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40 void write_code_rawrel(asmstate_t *as, FILE *of); |
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41 void write_code_obj(asmstate_t *as, FILE *of); |
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42 void write_code_os9(asmstate_t *as, FILE *of); |
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43 void write_code_hex(asmstate_t *as, FILE *of); |
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44 void write_code_srec(asmstate_t *as, FILE *of); |
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45 void write_code_ihex(asmstate_t *as, FILE *of); |
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46 void write_code_lwmod(asmstate_t *as, FILE *of); |
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47 void write_code_dragon(asmstate_t *as, FILE *of); |
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48 void write_code_abs(asmstate_t *as, FILE *of); |
0
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49 |
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50 // this prevents warnings about not using the return value of fwrite() |
221 | 51 // r++ prevents the "set but not used" warnings; should be optimized out |
52 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0) | |
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53 |
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54 void do_output(asmstate_t *as) |
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55 { |
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56 FILE *of; |
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57 |
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58 if (as -> errorcount > 0) |
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59 { |
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60 fprintf(stderr, "Not doing output due to assembly errors.\n"); |
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61 return; |
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62 } |
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63 |
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64 of = fopen(as -> output_file, "wb"); |
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65 if (!of) |
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66 { |
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67 fprintf(stderr, "Cannot open '%s' for output", as -> output_file); |
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68 perror(""); |
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69 return; |
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70 } |
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71 |
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72 switch (as -> output_format) |
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73 { |
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74 case OUTPUT_RAW: |
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75 write_code_raw(as, of); |
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76 break; |
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77 |
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78 case OUTPUT_DECB: |
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79 write_code_decb(as, of); |
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80 break; |
406 | 81 |
82 case OUTPUT_BASIC: | |
83 write_code_BASIC(as, of); | |
84 break; | |
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85 |
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86 case OUTPUT_RAWREL: |
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87 write_code_rawrel(as, of); |
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88 break; |
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89 |
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90 case OUTPUT_OBJ: |
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91 write_code_obj(as, of); |
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92 break; |
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93 |
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94 case OUTPUT_OS9: |
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95 write_code_os9(as, of); |
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96 break; |
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97 |
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98 case OUTPUT_HEX: |
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99 write_code_hex(as, of); |
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100 break; |
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101 |
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102 case OUTPUT_SREC: |
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103 write_code_srec(as, of); |
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104 break; |
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105 |
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106 case OUTPUT_IHEX: |
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107 write_code_ihex(as, of); |
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108 break; |
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109 |
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110 case OUTPUT_LWMOD: |
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111 write_code_lwmod(as, of); |
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112 break; |
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113 |
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114 case OUTPUT_DRAGON: |
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115 write_code_dragon(as, of); |
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116 break; |
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117 |
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118 case OUTPUT_ABS: |
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119 write_code_abs(as, of); |
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120 break; |
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121 |
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122 default: |
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123 fprintf(stderr, "BUG: unrecognized output format when generating output file\n"); |
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124 fclose(of); |
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125 unlink(as -> output_file); |
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126 return; |
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127 } |
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128 |
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129 fclose(of); |
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130 } |
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131 |
406 | 132 int write_code_BASIC_fprintf(FILE *of, int linelength, int *linenumber, int value) |
133 { | |
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134 // 240 should give enough room for a 5 digit value and a comma with a bit of extra |
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135 // space in case something unusual happens without going over the 249 character |
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136 // limit Color Basic has on input lines. |
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137 if (linelength > 240) |
406 | 138 { |
139 fprintf(of, "\n"); | |
140 linelength = fprintf(of, "%d DATA ", *linenumber); | |
141 *linenumber += 10; | |
142 } | |
143 else | |
144 { | |
145 linelength += fprintf(of, ","); | |
146 } | |
147 linelength += fprintf(of, "%d", value); | |
148 | |
149 return linelength; | |
150 } | |
151 | |
152 void write_code_BASIC(asmstate_t *as, FILE *of) | |
153 { | |
154 line_t *cl; | |
155 line_t *startblock = as -> line_head; | |
156 line_t *endblock; | |
157 int linenumber, linelength, startaddress, lastaddress, address; | |
158 int outidx; | |
159 | |
160 fprintf(of, "10 READ A,B\n"); | |
161 fprintf(of, "20 IF A=-1 THEN 70\n"); | |
162 fprintf(of, "30 FOR C = A TO B\n"); | |
163 fprintf(of, "40 READ D:POKE C,D\n"); | |
164 fprintf(of, "50 NEXT C\n"); | |
165 fprintf(of, "60 GOTO 10\n"); | |
166 | |
167 if (as -> execaddr == 0) | |
168 { | |
169 fprintf(of, "70 END"); | |
170 } | |
171 else | |
172 { | |
173 fprintf(of, "70 EXEC %d", as -> execaddr); | |
174 } | |
175 | |
176 linenumber = 80; | |
177 linelength = 255; | |
178 | |
179 while(startblock) | |
180 { | |
181 startaddress = -1; | |
182 endblock = NULL; | |
183 | |
184 for (cl = startblock; cl; cl = cl -> next) | |
185 { | |
186 if (cl -> outputl < 0) | |
187 continue; | |
188 | |
189 address = lw_expr_intval(cl -> addr); | |
190 | |
191 if (startaddress == -1) | |
192 { | |
193 startaddress = address; | |
194 lastaddress = address + cl -> outputl - 1; | |
195 } | |
196 else | |
197 { | |
198 if (lastaddress != address - 1) | |
199 { | |
200 endblock = cl; | |
201 break; | |
202 } | |
203 | |
204 lastaddress += cl -> outputl; | |
205 } | |
206 } | |
207 | |
410
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208 if (startaddress != -1) |
406 | 209 { |
410
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210 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, startaddress); |
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211 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, lastaddress); |
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212 |
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213 for (cl = startblock; cl != endblock; cl = cl -> next) |
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214 { |
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215 if (cl -> outputl < 0) |
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216 continue; |
406 | 217 |
410
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218 for (outidx=0; outidx<cl -> outputl; outidx++) |
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219 { |
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220 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, cl -> output[outidx]); |
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221 } |
406 | 222 } |
223 } | |
224 | |
225 startblock = cl; | |
226 } | |
227 | |
228 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
229 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
230 | |
231 fprintf(of, "\n"); | |
232 } | |
233 | |
234 | |
0
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235 /* |
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236 rawrel output treats an ORG directive as an offset from the start of the |
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237 file. Undefined results will occur if an ORG directive moves the output |
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238 pointer backward. This particular implementation uses "fseek" to handle |
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239 ORG requests and to skip over RMBs. |
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240 |
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241 This simple brain damanged method simply does an fseek before outputting |
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242 each instruction. |
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243 */ |
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244 void write_code_rawrel(asmstate_t *as, FILE *of) |
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245 { |
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246 line_t *cl; |
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247 |
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248 for (cl = as -> line_head; cl; cl = cl -> next) |
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249 { |
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250 if (cl -> outputl <= 0) |
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251 continue; |
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252 |
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253 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET); |
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254 writebytes(cl -> output, cl -> outputl, 1, of); |
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255 } |
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256 } |
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257 |
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258 /* |
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259 raw merely writes all the bytes directly to the file as is. ORG is just a |
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260 reference for the assembler to handle absolute references. Multiple ORG |
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261 statements will produce mostly useless results |
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262 |
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263 However, if a run of RMBs exists at the start that is ended by an ORG |
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264 statement, that run of RMBs will not be output as a zero fill. |
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265 */ |
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266 void write_code_raw(asmstate_t *as, FILE *of) |
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267 { |
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268 line_t *cl; |
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269 line_t *sl; |
0
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270 |
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271 sl = as -> line_head; |
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272 for (cl = sl; cl; cl = cl -> next) |
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273 { |
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274 if (cl -> outputl > 0) |
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275 break; |
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276 if (instab[cl -> insn].flags & lwasm_insn_org) |
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277 sl = cl; |
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278 } |
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279 for (cl = sl; cl; cl = cl -> next) |
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280 { |
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281 if (cl -> len > 0 && cl -> outputl < 0) |
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282 { |
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283 int i; |
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284 for (i = 0; i < cl -> len; i++) |
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285 writebytes("\0", 1, 1, of); |
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286 continue; |
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287 } |
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288 else if (cl -> outputl > 0) |
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289 writebytes(cl -> output, cl -> outputl, 1, of); |
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290 } |
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291 } |
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292 |
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293 |
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294 /* |
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295 OS9 target also just writes all the bytes in order. No need for anything |
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296 else. |
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297 */ |
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298 void write_code_os9(asmstate_t *as, FILE *of) |
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299 { |
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300 line_t *cl; |
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301 |
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302 for (cl = as -> line_head; cl; cl = cl -> next) |
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303 { |
127
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304 // if (cl -> inmod == 0) |
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305 // continue; |
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306 if (cl -> len > 0 && cl -> outputl == 0) |
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307 { |
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308 int i; |
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309 for (i = 0; i < cl -> len; i++) |
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310 writebytes("\0", 1, 1, of); |
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311 continue; |
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312 } |
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313 else if (cl -> outputl > 0) |
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314 writebytes(cl -> output, cl -> outputl, 1, of); |
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315 } |
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316 } |
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317 |
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318 void write_code_decb(asmstate_t *as, FILE *of) |
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319 { |
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320 long preambloc; |
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321 line_t *cl; |
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322 int blocklen = -1; |
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323 int nextcalc = -1; |
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324 unsigned char outbuf[5]; |
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325 int caddr; |
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326 |
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327 for (cl = as -> line_head; cl; cl = cl -> next) |
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328 { |
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329 if (cl -> outputl < 0) |
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330 continue; |
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331 caddr = lw_expr_intval(cl -> addr); |
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332 if (caddr != nextcalc && cl -> outputl > 0) |
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333 { |
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334 // need preamble here |
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335 if (blocklen > 0) |
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336 { |
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337 // update previous preamble if needed |
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338 fseek(of, preambloc, SEEK_SET); |
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339 outbuf[0] = (blocklen >> 8) & 0xFF; |
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340 outbuf[1] = blocklen & 0xFF; |
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341 writebytes(outbuf, 2, 1, of); |
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342 fseek(of, 0, SEEK_END); |
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343 } |
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344 blocklen = 0; |
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345 nextcalc = caddr; |
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346 outbuf[0] = 0x00; |
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347 outbuf[1] = 0x00; |
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348 outbuf[2] = 0x00; |
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349 outbuf[3] = (nextcalc >> 8) & 0xFF; |
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350 outbuf[4] = nextcalc & 0xFF; |
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351 preambloc = ftell(of) + 1; |
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352 writebytes(outbuf, 5, 1, of); |
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353 } |
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354 nextcalc += cl -> outputl; |
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355 writebytes(cl -> output, cl -> outputl, 1, of); |
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356 blocklen += cl -> outputl; |
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357 } |
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358 if (blocklen > 0) |
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359 { |
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360 fseek(of, preambloc, SEEK_SET); |
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361 outbuf[0] = (blocklen >> 8) & 0xFF; |
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362 outbuf[1] = blocklen & 0xFF; |
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363 writebytes(outbuf, 2, 1, of); |
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364 fseek(of, 0, SEEK_END); |
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365 } |
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366 |
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367 // now write postamble |
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368 outbuf[0] = 0xFF; |
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369 outbuf[1] = 0x00; |
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370 outbuf[2] = 0x00; |
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371 outbuf[3] = (as -> execaddr >> 8) & 0xFF; |
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372 outbuf[4] = (as -> execaddr) & 0xFF; |
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373 writebytes(outbuf, 5, 1, of); |
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374 } |
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375 |
321
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376 int fetch_output_byte(line_t *cl, char *value, int *addr) |
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377 { |
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378 static int outidx = 0; |
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379 static int lastaddr = -2; |
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380 |
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381 // try to read next byte in current line's output field |
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382 if ((cl -> outputl > 0) && (outidx < cl -> outputl)) |
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383 { |
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384 *addr = lw_expr_intval(cl -> addr) + outidx; |
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385 *value = *(cl -> output + outidx++); |
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386 |
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387 // this byte follows the previous byte (contiguous, rc = 1) |
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388 if (*addr == lastaddr + 1) |
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389 { |
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390 lastaddr = *addr; |
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391 return 1; |
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392 } |
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393 |
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394 // this byte does not follow prev byte (disjoint, rc = -1) |
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395 else |
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396 { |
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397 lastaddr = *addr; |
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398 return -1; |
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399 } |
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400 } |
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|
401 |
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402 // no (more) output from this line (rc = 0) |
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403 else |
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404 { |
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405 outidx = 0; |
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406 return 0; |
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407 } |
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408 } |
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409 |
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410 |
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411 /* a simple ASCII hex file format */ |
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412 |
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|
413 void write_code_hex(asmstate_t *as, FILE *of) |
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414 { |
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415 const int RECLEN = 16; |
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416 |
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417 line_t *cl; |
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418 char outbyte; |
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419 int outaddr; |
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420 int rc; |
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421 |
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422 for (cl = as -> line_head; cl; cl = cl -> next) |
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423 do |
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424 { |
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425 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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|
426 |
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427 // if address jump or xxx0 address, start new line |
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428 if ((rc == -1) || ((rc == 1) && (outaddr % RECLEN == 0))) |
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|
429 { |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
430 fprintf(of, "\r\n%04X:", (unsigned int)(outaddr & 0xffff)); |
321
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|
431 fprintf(of, "%02X", (unsigned char)outbyte); |
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|
432 rc = -1; |
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|
433 } |
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|
434 if (rc == 1) |
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|
435 fprintf(of, ",%02X", (unsigned char)outbyte); |
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|
436 } |
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437 while (rc); |
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438 } |
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439 |
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440 |
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441 /* Motorola S19 hex file format */ |
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442 |
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443 void write_code_srec(asmstate_t *as, FILE *of) |
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444 { |
360
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445 #define SRECLEN 16 |
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446 #define HDRLEN 51 |
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447 |
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448 line_t *cl; |
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449 char outbyte; |
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450 int outaddr; |
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451 int rc; |
360
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452 unsigned int i; |
321
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453 int recaddr = 0; |
360
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454 unsigned int recdlen = 0; |
321
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455 unsigned char recdata[SRECLEN]; |
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456 int recsum; |
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457 int reccnt = -1; |
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458 char rechdr[HDRLEN]; |
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459 |
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460 for (cl = as -> line_head; cl; cl = cl -> next) |
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461 do |
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462 { |
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463 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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464 |
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465 // if address jump or xxx0 address, start new S1 record |
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466 if ((rc == -1) || ((rc == 1) && (outaddr % SRECLEN == 0))) |
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467 { |
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468 // if not already done so, emit an S0 header record |
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469 if (reccnt < 0) |
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470 { |
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471 // build header from version and filespec |
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472 // e.g. "[lwtools X.Y] filename.asm" |
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473 strcpy(rechdr, "["); |
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474 strcat(rechdr, PACKAGE_STRING); |
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475 strcat(rechdr, "] "); |
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476 i = strlen(rechdr); |
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477 strncat(rechdr, cl -> linespec, HDRLEN - 1 - i); |
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478 recsum = strlen(rechdr) + 3; |
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479 fprintf(of, "S0%02X0000", recsum); |
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480 for (i = 0; i < strlen(rechdr); i++) |
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481 { |
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482 fprintf(of, "%02X", (unsigned char)rechdr[i]); |
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483 recsum += (unsigned char)rechdr[i]; |
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484 } |
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485 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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486 reccnt = 0; |
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487 } |
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488 |
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489 // flush any current S1 record before starting new one |
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490 if (recdlen > 0) |
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491 { |
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492 recsum = recdlen + 3; |
425
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|
493 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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494 for (i = 0; i < recdlen; i++) |
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495 { |
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496 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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497 recsum += (unsigned char)recdata[i]; |
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498 } |
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499 recsum += (recaddr >> 8) & 0xFF; |
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500 recsum += recaddr & 0xFF; |
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501 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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502 reccnt += 1; |
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503 } |
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504 |
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505 // now start the new S1 record |
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506 recdlen = 0; |
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507 recaddr = outaddr; |
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508 rc = 1; |
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509 } |
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|
510 |
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511 // for each new byte read, add to recdata[] |
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512 if (rc == 1) |
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513 recdata[recdlen++] = outbyte; |
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514 } |
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|
515 while (rc); |
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|
516 |
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|
517 // done with all output lines, flush the final S1 record (if any) |
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|
518 if (recdlen > 0) |
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|
519 { |
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|
520 recsum = recdlen + 3; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
521 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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522 for (i = 0; i < recdlen; i++) |
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|
523 { |
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|
524 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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|
525 recsum += (unsigned char)recdata[i]; |
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|
526 } |
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|
527 recsum += (recaddr >> 8) & 0xFF; |
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|
528 recsum += recaddr & 0xFF; |
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|
529 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
530 reccnt += 1; |
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|
531 } |
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diff
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|
532 |
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|
533 // if any S1 records were output, close with S5 and S9 records |
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|
534 if (reccnt > 0) |
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diff
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|
535 { |
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|
536 // emit S5 count record |
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|
537 recsum = 3; |
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|
538 recsum += (reccnt >> 8) & 0xFF; |
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|
539 recsum += reccnt & 0xFF; |
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|
540 fprintf(of, "S503%04X", (unsigned int)reccnt); |
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|
541 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
542 |
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|
543 // emit S9 end-of-file record |
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|
544 recsum = 3; |
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|
545 recsum += (as -> execaddr >> 8) & 0xFF; |
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changeset
|
546 recsum += (as -> execaddr) & 0xFF; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
547 fprintf(of, "S903%04X", as -> execaddr & 0xffff); |
321
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
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548 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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549 } |
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550 } |
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551 |
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552 |
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553 /* Intel hex file format */ |
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554 |
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555 void write_code_ihex(asmstate_t *as, FILE *of) |
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556 { |
360
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557 #define IRECLEN 16 |
321
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558 |
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559 line_t *cl; |
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560 char outbyte; |
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561 int outaddr; |
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562 int rc; |
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563 int i; |
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564 int recaddr = 0; |
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565 int recdlen = 0; |
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566 unsigned char recdata[IRECLEN]; |
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567 int recsum; |
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568 int reccnt = 0; |
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569 |
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570 for (cl = as -> line_head; cl; cl = cl -> next) |
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571 do |
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572 { |
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573 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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574 |
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575 // if address jump or xxx0 address, start new ihx record |
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576 if ((rc == -1) || ((rc == 1) && (outaddr % IRECLEN == 0))) |
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577 { |
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578 // flush any current ihex record before starting new one |
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579 if (recdlen > 0) |
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580 { |
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|
581 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
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410
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|
582 fprintf(of, ":%02X%04X00", recdlen, recaddr & 0xffff); |
321
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583 for (i = 0; i < recdlen; i++) |
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584 { |
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585 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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586 recsum += (unsigned char)recdata[i]; |
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587 } |
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588 recsum += (recaddr >> 8) & 0xFF; |
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589 recsum += recaddr & 0xFF; |
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590 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum)); |
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591 reccnt += 1; |
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|
592 } |
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Tom LeMense <tlemense@yahoo.com>
parents:
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diff
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|
593 |
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|
594 // now start the new ihex record |
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parents:
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diff
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|
595 recdlen = 0; |
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Tom LeMense <tlemense@yahoo.com>
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|
596 recaddr = outaddr; |
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Tom LeMense <tlemense@yahoo.com>
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|
597 rc = 1; |
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Tom LeMense <tlemense@yahoo.com>
parents:
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|
598 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
599 |
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parents:
221
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changeset
|
600 // 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
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|
601 if (rc == 1) |
d4ac484d0ec6
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Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
602 recdata[recdlen++] = outbyte; |
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Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
603 } |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
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|
604 while (rc); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
605 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
606 // 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
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changeset
|
607 if (recdlen > 0) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
608 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
609 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
610 fprintf(of, ":%02X%04X00", recdlen, recaddr & 0xffff); |
321
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
611 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
|
612 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
613 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
614 recsum += (unsigned char)recdata[i]; |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
615 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
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|
616 recsum += (recaddr >> 8) & 0xFF; |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
617 recsum += recaddr & 0xFF; |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
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221
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|
618 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum)); |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
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|
619 reccnt += 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
620 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
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221
diff
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|
621 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
622 // 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
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|
623 if (reccnt > 0) |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
624 { |
443
999ae00d0919
Fix up execution address handling for ihex and srec output (lwasm)
William Astle <lost@l-w.ca>
parents:
432
diff
changeset
|
625 fprintf(of, ":00%04X01FF", as -> execaddr & 0xffff); |
321
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
626 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
627 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
628 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
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|
629 |
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
|
630 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
|
631 { |
2c24602be78f
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 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
|
633 { |
2c24602be78f
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 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
|
635 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
|
636 } |
2c24602be78f
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 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
|
638 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
|
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 |
2c24602be78f
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 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
|
643 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
644 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
|
645 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
|
646 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
|
647 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
|
648 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
649 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
|
650 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
651 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
|
652 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
653 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
|
654 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
|
655 |
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
|
656 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
|
657 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
658 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
|
659 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
|
660 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
|
661 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
|
662 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
663 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
|
664 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
|
665 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
|
666 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
667 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
|
668 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
|
669 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
|
670 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
|
671 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
672 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
|
673 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
|
674 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
|
675 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
676 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
|
677 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
|
678 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
|
679 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
680 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
|
681 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
|
682 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
|
683 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
684 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
|
685 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
|
686 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
|
687 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
688 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
|
689 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
|
690 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
|
691 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
692 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
|
693 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
|
694 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
|
695 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
696 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
|
697 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
|
698 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
|
699 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
700 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
|
701 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
|
702 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
|
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 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
|
705 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
|
706 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
|
707 |
2c24602be78f
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 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
|
709 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
|
710 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
|
711 |
2c24602be78f
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 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
|
713 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
|
714 } |
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
|
715 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
|
716 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
|
717 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
|
718 |
2c24602be78f
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 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
|
720 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
|
721 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
|
722 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
|
723 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
|
724 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
|
725 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
|
726 |
2c24602be78f
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 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
|
728 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
|
729 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
|
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 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
|
732 { |
2c24602be78f
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 // 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
|
734 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
|
735 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
|
736 |
2c24602be78f
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 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
|
738 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
|
739 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
|
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 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
|
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 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
|
744 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
|
745 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
|
746 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
|
747 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
|
748 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
|
749 } |
2c24602be78f
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 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
|
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 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
|
753 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
|
754 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
|
755 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
|
756 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
|
757 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
|
758 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
759 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
|
760 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
|
761 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
762 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
|
763 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
|
764 } |
2c24602be78f
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 } |
2c24602be78f
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 |
2c24602be78f
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 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
|
768 // 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
|
769 // 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
|
770 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
|
771 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
|
772 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
|
773 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
|
774 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
|
775 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
776 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
|
777 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
778 |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
779 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
|
780 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
781 struct symtabe *se; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
782 unsigned char buf[16]; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
783 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
784 if (!se2) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
785 return; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
786 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
|
787 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
788 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
|
789 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
790 lw_expr_t te; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
791 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
792 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
|
793 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
794 // 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
|
795 if (se -> section != s) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
796 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
797 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
798 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
|
799 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
800 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
|
801 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
802 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
803 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
|
804 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
805 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
|
806 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
|
807 as -> exportcheck = 1; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
808 as -> csect = s; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
809 lwasm_reduce_expr(as, te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
810 as -> exportcheck = 0; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
811 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
812 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
|
813 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
814 // 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
|
815 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
|
816 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
817 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
818 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
819 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
820 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
821 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
|
822 if (se -> context >= 0) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
823 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
824 writebytes("\x01", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
825 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
|
826 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
|
827 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
828 // the "" is NOT an error |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
829 writebytes("", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
830 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
831 // write the address |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
832 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
|
833 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
|
834 writebytes(buf, 2, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
835 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
836 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
837 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
|
838 } |
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
|
839 |
2c24602be78f
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 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
|
841 { |
2c24602be78f
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 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
|
843 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
|
844 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
|
845 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
|
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 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
|
848 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
|
849 |
2c24602be78f
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 // 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
|
851 // 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
|
852 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
|
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 // 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
|
855 // 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
|
856 // 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
|
857 // 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
|
858 // 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
|
859 // 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
|
860 // 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
|
861 // 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
|
862 // 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
|
863 |
2c24602be78f
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 // 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
|
865 // 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
|
866 |
2c24602be78f
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 // 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
|
868 // 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
|
869 // 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
|
870 // 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
|
871 // (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
|
872 // 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
|
873 // 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
|
874 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
875 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
|
876 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
877 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
|
878 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
879 // 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
|
880 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
|
881 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
|
882 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
|
883 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
|
884 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
|
885 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
|
886 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
887 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
888 |
2c24602be78f
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 // 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
|
890 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
|
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 // 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
|
893 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
|
894 |
2c24602be78f
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 // 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
|
896 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
|
897 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
|
898 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
|
899 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
|
900 |
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
|
901 // 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
|
902 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
|
903 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
904 // 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
|
905 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
906 // 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
|
907 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
|
908 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
909 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
|
910 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
|
911 // 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
|
912 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
|
913 } |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
914 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
915 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
|
916 // 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
|
917 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
|
918 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
919 // 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
|
920 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
|
921 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
922 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
|
923 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
924 line_t tl = { 0 }; |
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
|
925 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
926 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
|
927 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
|
928 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
|
929 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
|
930 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
|
931 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
|
932 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
|
933 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
|
934 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
|
935 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
|
936 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
|
937 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
|
938 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
|
939 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
940 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
|
941 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
|
942 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
943 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
|
944 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
|
945 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
|
946 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
|
947 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
|
948 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
|
949 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
950 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
951 // 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
|
952 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
|
953 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
954 // 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
|
955 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
|
956 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
957 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
|
958 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
959 line_t tl = { 0 }; |
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
|
960 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
961 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
|
962 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
|
963 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
|
964 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
|
965 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
966 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
|
967 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
968 // 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
|
969 // 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
|
970 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
|
971 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
972 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
973 // 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
|
974 // 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
|
975 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
|
976 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
977 // 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
|
978 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
|
979 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
|
980 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
|
981 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
982 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
983 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
|
984 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
|
985 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
|
986 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
987 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
|
988 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
|
989 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
990 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
|
991 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
|
992 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
993 // 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
|
994 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
|
995 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
996 // 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
|
997 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
|
998 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
999 // 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
|
1000 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
|
1001 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
|
1002 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
|
1003 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1004 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1005 // 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
|
1006 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
|
1007 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1008 // 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
|
1009 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1010 // length |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1011 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
|
1012 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1013 buf[0] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1014 buf[1] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1015 } |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1016 else |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1017 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1018 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
|
1019 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
|
1020 } |
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
|
1021 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
|
1022 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1023 |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1024 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
|
1025 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1026 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
|
1027 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1028 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1029 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1030 // 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
|
1031 // the "" is NOT an error |
2c24602be78f
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1032 writebytes("", 1, 1, of); |
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1033 } |
432
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1034 |
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1035 |
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1036 void write_code_lwmod(asmstate_t *as, FILE *of) |
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1037 { |
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1038 line_t *l; |
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1039 sectiontab_t *s; |
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1040 reloctab_t *re; |
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1041 int initsize, bsssize, mainsize, callsnum, namesize; |
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1042 unsigned char *initcode, *maincode, *callscode, *namecode; |
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1043 int relocsize; |
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1044 unsigned char *reloccode; |
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1045 int tsize, bssoff; |
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1046 int initaddr = -1; |
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1047 |
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1048 int i; |
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1049 unsigned char buf[16]; |
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1050 |
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1051 // the magic number |
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1052 buf[0] = 0x8f; |
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1053 buf[1] = 0xcf; |
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1054 |
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1055 // run through the entire system and build the byte streams for each |
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1056 // section; we will make sure we only have simple references for |
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1057 // any undefined references. That means at most an ADD (or SUB) operation |
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1058 // with a single BSS symbol reference and a single constant value. |
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1059 // We will use the constant value in the code stream and record the |
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1060 // offset in a separate code stream for the BSS relocation table. |
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1061 |
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1062 // We build everything in memory here because we need to calculate the |
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1063 // sizes of everything before we can output the complete header. |
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1064 |
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1065 for (l = as -> line_head; l; l = l -> next) |
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1066 { |
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1067 if (l -> csect) |
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1068 { |
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1069 // we're in a section - need to output some bytes |
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1070 if (l -> outputl > 0) |
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1071 for (i = 0; i < l -> outputl; i++) |
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1072 write_code_obj_sbadd(l -> csect, l -> output[i]); |
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1073 else if (l -> outputl == 0 || l -> outputl == -1) |
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1074 for (i = 0; i < l -> len; i++) |
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1075 write_code_obj_sbadd(l -> csect, 0); |
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1076 } |
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1077 } |
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1078 |
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1079 // now run through sections and set various parameters |
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1080 initsize = 0; |
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1081 bsssize = 0; |
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1082 mainsize = 0; |
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1083 callsnum = 0; |
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1084 callscode = NULL; |
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1085 maincode = NULL; |
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1086 initcode = NULL; |
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1087 namecode = NULL; |
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1088 namesize = 0; |
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1089 relocsize = 0; |
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1090 for (s = as -> sections; s; s = s -> next) |
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1091 { |
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1092 if (!strcmp(s -> name, "bss")) |
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1093 { |
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1094 bsssize = s -> oblen; |
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1095 } |
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1096 else if (!strcmp(s -> name, "main")) |
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1097 { |
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1098 maincode = s -> obytes; |
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1099 mainsize = s -> oblen; |
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1100 } |
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1101 else if (!strcmp(s -> name, "init")) |
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1102 { |
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1103 initcode = s -> obytes; |
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1104 initsize = s -> oblen; |
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1105 } |
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1106 else if (!strcmp(s -> name, "calls")) |
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1107 { |
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1108 callscode = s -> obytes; |
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1109 callsnum = s -> oblen / 2; |
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1110 } |
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1111 else if (!strcmp(s -> name, "modname")) |
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1112 { |
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1113 namecode = s -> obytes; |
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1114 namesize = 0; |
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1115 } |
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1116 for (re = s -> reloctab; re; re = re -> next) |
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1117 { |
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1118 if (re -> expr == NULL) |
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1119 relocsize += 2; |
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1120 } |
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1121 } |
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1122 if (namesize == 0) |
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1123 { |
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1124 namecode = (unsigned char *)(as -> output_file); |
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1125 } |
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1126 else |
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1127 { |
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1128 if (namecode[namesize - 1] != '\0') |
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1129 { |
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1130 namecode[namesize - 1] = '\0'; |
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1131 } |
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1132 if (!*namecode) |
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1133 namecode = (unsigned char *)(as -> output_file); |
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1134 } |
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1135 namesize = strlen((char *)namecode); |
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1136 |
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1137 tsize = namesize + 1 + initsize + mainsize + callsnum * 2 + relocsize + 11; |
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1138 bssoff = namesize + 1 + mainsize + callsnum * 2 + 11; |
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1139 // set up section base addresses |
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1140 for (s = as -> sections; s; s = s -> next) |
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1141 { |
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1142 if (!strcmp(s -> name, "main")) |
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1143 { |
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1144 s -> tbase = 11 + namesize + 1 + callsnum * 2; |
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1145 } |
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1146 else if (!strcmp(s -> name, "init")) |
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1147 { |
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1148 s -> tbase = bssoff + relocsize; |
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1149 } |
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1150 else if (!strcmp(s -> name, "calls")) |
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1151 { |
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1152 s -> tbase = 11; |
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1153 } |
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1154 else if (!strcmp(s -> name, "modname")) |
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1155 { |
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1156 s -> tbase = 11 + callsnum * 2; |
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1157 } |
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1158 } |
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diff
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|
1159 |
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Add support for undocumented custom module format (for LW)
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425
diff
changeset
|
1160 // resolve the "init" address |
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diff
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|
1161 if (as -> execaddr_expr) |
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|
1162 { |
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diff
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|
1163 // need to resolve address with proper section bases |
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Add support for undocumented custom module format (for LW)
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diff
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|
1164 lwasm_reduce_expr(as, as -> execaddr_expr); |
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diff
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|
1165 initaddr = lw_expr_intval(as -> execaddr_expr); |
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diff
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|
1166 } |
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diff
changeset
|
1167 else |
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diff
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|
1168 { |
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|
1169 initaddr = as -> execaddr; |
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diff
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|
1170 } |
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diff
changeset
|
1171 |
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diff
changeset
|
1172 // build relocation data |
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diff
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|
1173 reloccode = NULL; |
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diff
changeset
|
1174 if (relocsize) |
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diff
changeset
|
1175 { |
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425
diff
changeset
|
1176 unsigned char *tptr; |
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diff
changeset
|
1177 reloccode = lw_alloc(relocsize); |
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425
diff
changeset
|
1178 tptr = reloccode; |
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diff
changeset
|
1179 |
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diff
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|
1180 for (s = as -> sections; s; s = s -> next) |
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|
1181 { |
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diff
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|
1182 for (re = s -> reloctab; re; re = re -> next) |
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diff
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|
1183 { |
58cafa61ab40
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|
1184 lw_expr_t te; |
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Add support for undocumented custom module format (for LW)
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diff
changeset
|
1185 line_t tl; |
58cafa61ab40
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425
diff
changeset
|
1186 int offset; |
58cafa61ab40
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425
diff
changeset
|
1187 |
58cafa61ab40
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diff
changeset
|
1188 tl.as = as; |
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parents:
425
diff
changeset
|
1189 as -> cl = &tl; |
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parents:
425
diff
changeset
|
1190 as -> csect = s; |
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425
diff
changeset
|
1191 // as -> exportcheck = 1; |
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diff
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|
1192 |
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1193 if (re -> expr) |
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diff
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|
1194 { |
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diff
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|
1195 int val; |
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425
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|
1196 int x; |
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diff
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|
1197 |
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|
1198 te = lw_expr_copy(re -> expr); |
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diff
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|
1199 lwasm_reduce_expr(as, te); |
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|
1200 if (!lw_expr_istype(te, lw_expr_type_int)) |
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diff
changeset
|
1201 { |
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diff
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|
1202 val = 0; |
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425
diff
changeset
|
1203 } |
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William Astle <lost@l-w.ca>
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425
diff
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|
1204 else |
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diff
changeset
|
1205 { |
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diff
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|
1206 val = lw_expr_intval(te); |
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|
1207 } |
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diff
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|
1208 lw_expr_destroy(te); |
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diff
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|
1209 x = s -> tbase; |
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Add support for undocumented custom module format (for LW)
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diff
changeset
|
1210 s -> tbase = 0; |
58cafa61ab40
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diff
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|
1211 te = lw_expr_copy(re -> offset); |
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Add support for undocumented custom module format (for LW)
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diff
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|
1212 lwasm_reduce_expr(as, te); |
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|
1213 offset = lw_expr_intval(te); |
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Add support for undocumented custom module format (for LW)
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diff
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|
1214 lw_expr_destroy(te); |
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diff
changeset
|
1215 s -> tbase = x; |
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diff
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|
1216 // offset *should* be the offset in the section |
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William Astle <lost@l-w.ca>
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diff
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|
1217 s -> obytes[offset] = val >> 8; |
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Add support for undocumented custom module format (for LW)
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diff
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|
1218 s -> obytes[offset + 1] = val & 0xff; |
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diff
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|
1219 continue; |
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diff
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|
1220 } |
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diff
changeset
|
1221 |
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diff
changeset
|
1222 offset = 0; |
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diff
changeset
|
1223 te = lw_expr_copy(re -> offset); |
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diff
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|
1224 lwasm_reduce_expr(as, te); |
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diff
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|
1225 if (!lw_expr_istype(te, lw_expr_type_int)) |
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William Astle <lost@l-w.ca>
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diff
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|
1226 { |
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diff
changeset
|
1227 lw_expr_destroy(te); |
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William Astle <lost@l-w.ca>
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diff
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|
1228 offset = 0; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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diff
changeset
|
1229 continue; |
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Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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diff
changeset
|
1230 } |
58cafa61ab40
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1231 offset = lw_expr_intval(te); |
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Add support for undocumented custom module format (for LW)
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diff
changeset
|
1232 lw_expr_destroy(te); |
58cafa61ab40
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425
diff
changeset
|
1233 //offset += sbase; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
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diff
changeset
|
1234 |
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Add support for undocumented custom module format (for LW)
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diff
changeset
|
1235 *tptr++ = offset >> 8; |
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Add support for undocumented custom module format (for LW)
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diff
changeset
|
1236 *tptr++ = offset & 0xff; |
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Add support for undocumented custom module format (for LW)
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425
diff
changeset
|
1237 } |
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Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1238 } |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1239 } |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1240 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1241 // total size |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1242 buf[2] = tsize >> 8; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1243 buf[3] = tsize & 0xff; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1244 // offset to BSS relocs |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1245 buf[4] = bssoff >> 8; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
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425
diff
changeset
|
1246 buf[5] = bssoff & 0xff; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1247 // BSS size |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1248 buf[6] = bsssize >> 8; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1249 buf[7] = bsssize & 0xff; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1250 // init routine offset |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1251 buf[8] = initaddr >> 8; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1252 buf[9] = initaddr & 0xff; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1253 // number of call entries |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1254 buf[10] = callsnum; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1255 // write the header |
58cafa61ab40
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1256 writebytes(buf, 11, 1, of); |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1257 // call data |
58cafa61ab40
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1258 if (callsnum) |
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Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1259 writebytes(callscode, callsnum * 2, 1, of); |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1260 // module name |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
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425
diff
changeset
|
1261 writebytes(namecode, namesize + 1, 1, of); |
58cafa61ab40
Add support for undocumented custom module format (for LW)
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425
diff
changeset
|
1262 // main code |
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425
diff
changeset
|
1263 if (mainsize) |
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1264 writebytes(maincode, mainsize, 1, of); |
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425
diff
changeset
|
1265 // bss relocs |
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425
diff
changeset
|
1266 if (relocsize) |
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William Astle <lost@l-w.ca>
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425
diff
changeset
|
1267 writebytes(reloccode, relocsize, 1, of); |
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diff
changeset
|
1268 // init stuff |
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425
diff
changeset
|
1269 if (initsize) |
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Add support for undocumented custom module format (for LW)
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425
diff
changeset
|
1270 writebytes(initcode, initsize, 1, of); |
58cafa61ab40
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diff
changeset
|
1271 } |
543
e10618b48e68
Implement support for dragon format binaries
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536
diff
changeset
|
1272 |
e10618b48e68
Implement support for dragon format binaries
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536
diff
changeset
|
1273 void write_code_abs_calc(asmstate_t *as, unsigned int *start, unsigned int *length) |
e10618b48e68
Implement support for dragon format binaries
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parents:
536
diff
changeset
|
1274 { |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1275 line_t *cl; |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1276 unsigned int lowaddr = 65535; |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1277 unsigned int highaddr = 0; |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1278 char outbyte; |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1279 int outaddr, rc; |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1280 |
e10618b48e68
Implement support for dragon format binaries
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parents:
536
diff
changeset
|
1281 // if not specified, calculate |
e10618b48e68
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William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1282 for (cl = as -> line_head; cl; cl = cl -> next) |
e10618b48e68
Implement support for dragon format binaries
William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1283 { |
e10618b48e68
Implement support for dragon format binaries
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parents:
536
diff
changeset
|
1284 do |
e10618b48e68
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William Astle <lost@l-w.ca>
parents:
536
diff
changeset
|
1285 { |
e10618b48e68
Implement support for dragon format binaries
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536
diff
changeset
|
1286 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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Implement support for dragon format binaries
William Astle <lost@l-w.ca>
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536
diff
changeset
|
1287 if (rc) |
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1288 { |
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1289 if (outaddr < lowaddr) |
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1290 lowaddr = outaddr; |
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1291 if (outaddr > highaddr) |
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1292 highaddr = outaddr; |
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1293 } |
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1294 } |
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1295 while (rc); |
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1296 |
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1297 *length = (lowaddr > highaddr) ? 0 : 1 + highaddr - lowaddr; |
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1298 *start = (lowaddr > highaddr ) ? 0 : lowaddr; |
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1299 } |
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1300 } |
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1301 |
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1302 void write_code_abs_aux(asmstate_t *as, FILE *of, unsigned int start, unsigned int header_size) |
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1303 { |
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1304 line_t *cl; |
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1305 |
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1306 char outbyte; |
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1307 int outaddr, rc; |
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1308 |
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1309 for (cl = as -> line_head; cl; cl = cl -> next) |
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1310 { |
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1311 do |
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1312 { |
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1313 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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1314 |
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1315 // if first byte to write or output stream jumps address, seek |
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1316 if (rc == -1) |
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1317 { |
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1318 fseek(of,(long int) header_size + outaddr - start, SEEK_SET); |
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1319 } |
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1320 if (rc) fputc(outbyte,of); |
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1321 } |
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1322 while (rc); |
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1323 } |
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1324 |
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1325 } |
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|
1326 |
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1327 /* Write a DragonDOS binary file */ |
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1328 |
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1329 void write_code_dragon(asmstate_t *as, FILE *of) |
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1330 { |
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1331 unsigned char headerbuf[9]; |
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1332 unsigned int start, length; |
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1333 |
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1334 write_code_abs_calc(as, &start, &length); |
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1335 |
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1336 headerbuf[0] = 0x55; // magic $55 |
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1337 headerbuf[1] = 0x02; // binary file |
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1338 headerbuf[2] = (start >> 8) & 0xFF; |
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1339 headerbuf[3] = (start) & 0xFF; |
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1340 headerbuf[4] = (length >> 8) & 0xFF; |
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1341 headerbuf[5] = (length) & 0xFF; |
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1342 headerbuf[6] = (as -> execaddr >> 8) & 0xFF; |
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1343 headerbuf[7] = (as -> execaddr) & 0xFF; |
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1344 headerbuf[8] = 0xAA; // magic $AA |
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1345 |
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1346 writebytes(headerbuf, 9, 1, of); |
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1347 |
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1348 write_code_abs_aux(as, of, start, 9); |
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1349 |
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1350 } |
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1351 |
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1352 /* Write a monolithic binary block, respecting absolute address segments from ORG directives */ |
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1353 /* Uses fseek, requires lowest code address and header offset size */ |
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1354 /* Out of order ORG addresses are handled */ |
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1355 |
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1356 void write_code_abs(asmstate_t *as, FILE *of) |
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1357 { |
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1358 unsigned int start, length; |
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1359 |
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1360 write_code_abs_calc(as, &start, &length); |
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1361 write_code_abs_aux(as, of, start, 0); |
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1362 } |