Mercurial > hg > index.cgi
annotate lwasm/output.c @ 513:1260b4eec5a5
Add **pragma which always suppresses listing itself
Sometimes you don't want the listing polluted by a pragma statement so add
**pragma which will always hide itself from the listing.
author | William Astle <lost@l-w.ca> |
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date | Mon, 24 Aug 2020 23:52:23 -0600 |
parents | 733fd05ca2a8 |
children | a812bb4d3a51 |
rev | line source |
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0
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1 /* |
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2 output.c |
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3 Copyright © 2009, 2010 William Astle |
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4 |
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5 This file is part of LWASM. |
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6 |
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7 LWASM is free software: you can redistribute it and/or modify it under the |
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8 terms of the GNU General Public License as published by the Free Software |
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9 Foundation, either version 3 of the License, or (at your option) any later |
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10 version. |
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11 |
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12 This program is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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15 more details. |
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16 |
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17 You should have received a copy of the GNU General Public License along with |
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18 this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
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20 |
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21 Contains the code for actually outputting the assembled code |
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22 */ |
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23 #include <errno.h> |
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24 #include <stdio.h> |
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25 #include <string.h> |
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26 |
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27 #ifndef _MSC_VER |
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28 #include <unistd.h> // for unlink |
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29 #endif |
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30 |
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31 #include <lw_alloc.h> |
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32 #include <lw_expr.h> |
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33 |
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34 #include "lwasm.h" |
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35 |
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36 void write_code_raw(asmstate_t *as, FILE *of); |
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37 void write_code_decb(asmstate_t *as, FILE *of); |
406 | 38 void write_code_BASIC(asmstate_t *as, FILE *of); |
0
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39 void write_code_rawrel(asmstate_t *as, FILE *of); |
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40 void write_code_obj(asmstate_t *as, FILE *of); |
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41 void write_code_os9(asmstate_t *as, FILE *of); |
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42 void write_code_hex(asmstate_t *as, FILE *of); |
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43 void write_code_srec(asmstate_t *as, FILE *of); |
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44 void write_code_ihex(asmstate_t *as, FILE *of); |
432
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45 void write_code_lwmod(asmstate_t *as, FILE *of); |
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46 |
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47 // this prevents warnings about not using the return value of fwrite() |
221 | 48 // r++ prevents the "set but not used" warnings; should be optimized out |
49 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0) | |
0
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50 |
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51 void do_output(asmstate_t *as) |
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52 { |
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53 FILE *of; |
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54 |
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55 if (as -> errorcount > 0) |
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56 { |
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57 fprintf(stderr, "Not doing output due to assembly errors.\n"); |
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58 return; |
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59 } |
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60 |
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61 of = fopen(as -> output_file, "wb"); |
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62 if (!of) |
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63 { |
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64 fprintf(stderr, "Cannot open '%s' for output", as -> output_file); |
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65 perror(""); |
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66 return; |
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67 } |
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68 |
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69 switch (as -> output_format) |
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70 { |
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71 case OUTPUT_RAW: |
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72 write_code_raw(as, of); |
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73 break; |
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74 |
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75 case OUTPUT_DECB: |
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76 write_code_decb(as, of); |
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77 break; |
406 | 78 |
79 case OUTPUT_BASIC: | |
80 write_code_BASIC(as, of); | |
81 break; | |
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82 |
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83 case OUTPUT_RAWREL: |
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84 write_code_rawrel(as, of); |
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85 break; |
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86 |
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87 case OUTPUT_OBJ: |
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88 write_code_obj(as, of); |
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89 break; |
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90 |
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91 case OUTPUT_OS9: |
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92 write_code_os9(as, of); |
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93 break; |
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94 |
321
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95 case OUTPUT_HEX: |
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96 write_code_hex(as, of); |
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97 break; |
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98 |
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99 case OUTPUT_SREC: |
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100 write_code_srec(as, of); |
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101 break; |
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102 |
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103 case OUTPUT_IHEX: |
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104 write_code_ihex(as, of); |
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105 break; |
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106 |
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107 case OUTPUT_LWMOD: |
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108 write_code_lwmod(as, of); |
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109 break; |
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110 |
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111 default: |
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112 fprintf(stderr, "BUG: unrecognized output format when generating output file\n"); |
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113 fclose(of); |
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114 unlink(as -> output_file); |
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115 return; |
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116 } |
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117 |
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118 fclose(of); |
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119 } |
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120 |
406 | 121 int write_code_BASIC_fprintf(FILE *of, int linelength, int *linenumber, int value) |
122 { | |
123 if (linelength > 247) | |
124 { | |
125 fprintf(of, "\n"); | |
126 linelength = fprintf(of, "%d DATA ", *linenumber); | |
127 *linenumber += 10; | |
128 } | |
129 else | |
130 { | |
131 linelength += fprintf(of, ","); | |
132 } | |
133 linelength += fprintf(of, "%d", value); | |
134 | |
135 return linelength; | |
136 } | |
137 | |
138 void write_code_BASIC(asmstate_t *as, FILE *of) | |
139 { | |
140 line_t *cl; | |
141 line_t *startblock = as -> line_head; | |
142 line_t *endblock; | |
143 int linenumber, linelength, startaddress, lastaddress, address; | |
144 int outidx; | |
145 | |
146 fprintf(of, "10 READ A,B\n"); | |
147 fprintf(of, "20 IF A=-1 THEN 70\n"); | |
148 fprintf(of, "30 FOR C = A TO B\n"); | |
149 fprintf(of, "40 READ D:POKE C,D\n"); | |
150 fprintf(of, "50 NEXT C\n"); | |
151 fprintf(of, "60 GOTO 10\n"); | |
152 | |
153 if (as -> execaddr == 0) | |
154 { | |
155 fprintf(of, "70 END"); | |
156 } | |
157 else | |
158 { | |
159 fprintf(of, "70 EXEC %d", as -> execaddr); | |
160 } | |
161 | |
162 linenumber = 80; | |
163 linelength = 255; | |
164 | |
165 while(startblock) | |
166 { | |
167 startaddress = -1; | |
168 endblock = NULL; | |
169 | |
170 for (cl = startblock; cl; cl = cl -> next) | |
171 { | |
172 if (cl -> outputl < 0) | |
173 continue; | |
174 | |
175 address = lw_expr_intval(cl -> addr); | |
176 | |
177 if (startaddress == -1) | |
178 { | |
179 startaddress = address; | |
180 lastaddress = address + cl -> outputl - 1; | |
181 } | |
182 else | |
183 { | |
184 if (lastaddress != address - 1) | |
185 { | |
186 endblock = cl; | |
187 break; | |
188 } | |
189 | |
190 lastaddress += cl -> outputl; | |
191 } | |
192 } | |
193 | |
410
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194 if (startaddress != -1) |
406 | 195 { |
410
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196 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, startaddress); |
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197 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, lastaddress); |
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198 |
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199 for (cl = startblock; cl != endblock; cl = cl -> next) |
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200 { |
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201 if (cl -> outputl < 0) |
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202 continue; |
406 | 203 |
410
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204 for (outidx=0; outidx<cl -> outputl; outidx++) |
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205 { |
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206 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, cl -> output[outidx]); |
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207 } |
406 | 208 } |
209 } | |
210 | |
211 startblock = cl; | |
212 } | |
213 | |
214 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
215 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
216 | |
217 fprintf(of, "\n"); | |
218 } | |
219 | |
220 | |
0
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221 /* |
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222 rawrel output treats an ORG directive as an offset from the start of the |
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223 file. Undefined results will occur if an ORG directive moves the output |
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224 pointer backward. This particular implementation uses "fseek" to handle |
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225 ORG requests and to skip over RMBs. |
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226 |
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227 This simple brain damanged method simply does an fseek before outputting |
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228 each instruction. |
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229 */ |
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230 void write_code_rawrel(asmstate_t *as, FILE *of) |
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231 { |
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232 line_t *cl; |
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233 |
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234 for (cl = as -> line_head; cl; cl = cl -> next) |
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235 { |
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236 if (cl -> outputl <= 0) |
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237 continue; |
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238 |
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239 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET); |
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240 writebytes(cl -> output, cl -> outputl, 1, of); |
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241 } |
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242 } |
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243 |
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244 /* |
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245 raw merely writes all the bytes directly to the file as is. ORG is just a |
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246 reference for the assembler to handle absolute references. Multiple ORG |
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247 statements will produce mostly useless results |
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248 */ |
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249 void write_code_raw(asmstate_t *as, FILE *of) |
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250 { |
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251 line_t *cl; |
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252 |
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253 for (cl = as -> line_head; cl; cl = cl -> next) |
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254 { |
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255 if (cl -> len > 0 && cl -> outputl == 0) |
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256 { |
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257 int i; |
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258 for (i = 0; i < cl -> len; i++) |
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259 writebytes("\0", 1, 1, of); |
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260 continue; |
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261 } |
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262 else if (cl -> outputl > 0) |
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263 writebytes(cl -> output, cl -> outputl, 1, of); |
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264 } |
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265 } |
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266 |
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267 |
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268 /* |
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269 OS9 target also just writes all the bytes in order. No need for anything |
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270 else. |
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271 */ |
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272 void write_code_os9(asmstate_t *as, FILE *of) |
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273 { |
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274 line_t *cl; |
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275 |
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276 for (cl = as -> line_head; cl; cl = cl -> next) |
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277 { |
127
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278 // if (cl -> inmod == 0) |
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279 // continue; |
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280 if (cl -> len > 0 && cl -> outputl == 0) |
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281 { |
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282 int i; |
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283 for (i = 0; i < cl -> len; i++) |
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284 writebytes("\0", 1, 1, of); |
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285 continue; |
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286 } |
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287 else if (cl -> outputl > 0) |
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288 writebytes(cl -> output, cl -> outputl, 1, of); |
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289 } |
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290 } |
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291 |
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292 void write_code_decb(asmstate_t *as, FILE *of) |
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293 { |
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294 long preambloc; |
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295 line_t *cl; |
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296 int blocklen = -1; |
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297 int nextcalc = -1; |
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298 unsigned char outbuf[5]; |
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299 int caddr; |
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300 |
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301 for (cl = as -> line_head; cl; cl = cl -> next) |
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302 { |
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303 if (cl -> outputl < 0) |
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304 continue; |
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305 caddr = lw_expr_intval(cl -> addr); |
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306 if (caddr != nextcalc && cl -> outputl > 0) |
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307 { |
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308 // need preamble here |
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309 if (blocklen > 0) |
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310 { |
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311 // update previous preamble if needed |
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312 fseek(of, preambloc, SEEK_SET); |
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313 outbuf[0] = (blocklen >> 8) & 0xFF; |
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314 outbuf[1] = blocklen & 0xFF; |
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315 writebytes(outbuf, 2, 1, of); |
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316 fseek(of, 0, SEEK_END); |
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317 } |
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318 blocklen = 0; |
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319 nextcalc = caddr; |
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320 outbuf[0] = 0x00; |
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321 outbuf[1] = 0x00; |
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322 outbuf[2] = 0x00; |
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323 outbuf[3] = (nextcalc >> 8) & 0xFF; |
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324 outbuf[4] = nextcalc & 0xFF; |
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325 preambloc = ftell(of) + 1; |
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326 writebytes(outbuf, 5, 1, of); |
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327 } |
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328 nextcalc += cl -> outputl; |
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329 writebytes(cl -> output, cl -> outputl, 1, of); |
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330 blocklen += cl -> outputl; |
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331 } |
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332 if (blocklen > 0) |
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333 { |
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334 fseek(of, preambloc, SEEK_SET); |
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335 outbuf[0] = (blocklen >> 8) & 0xFF; |
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336 outbuf[1] = blocklen & 0xFF; |
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337 writebytes(outbuf, 2, 1, of); |
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338 fseek(of, 0, SEEK_END); |
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339 } |
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340 |
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341 // now write postamble |
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342 outbuf[0] = 0xFF; |
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343 outbuf[1] = 0x00; |
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344 outbuf[2] = 0x00; |
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345 outbuf[3] = (as -> execaddr >> 8) & 0xFF; |
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346 outbuf[4] = (as -> execaddr) & 0xFF; |
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347 writebytes(outbuf, 5, 1, of); |
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348 } |
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349 |
321
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350 int fetch_output_byte(line_t *cl, char *value, int *addr) |
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351 { |
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352 static int outidx = 0; |
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353 static int lastaddr = -2; |
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354 |
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355 // try to read next byte in current line's output field |
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356 if ((cl -> outputl > 0) && (outidx < cl -> outputl)) |
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357 { |
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358 *addr = lw_expr_intval(cl -> addr) + outidx; |
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359 *value = *(cl -> output + outidx++); |
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360 |
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361 // this byte follows the previous byte (contiguous, rc = 1) |
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362 if (*addr == lastaddr + 1) |
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363 { |
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364 lastaddr = *addr; |
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365 return 1; |
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366 } |
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367 |
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368 // this byte does not follow prev byte (disjoint, rc = -1) |
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369 else |
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370 { |
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371 lastaddr = *addr; |
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372 return -1; |
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373 } |
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374 } |
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375 |
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376 // no (more) output from this line (rc = 0) |
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377 else |
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378 { |
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379 outidx = 0; |
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380 return 0; |
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381 } |
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382 } |
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383 |
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384 |
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385 /* a simple ASCII hex file format */ |
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386 |
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387 void write_code_hex(asmstate_t *as, FILE *of) |
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388 { |
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389 const int RECLEN = 16; |
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390 |
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391 line_t *cl; |
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392 char outbyte; |
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393 int outaddr; |
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394 int rc; |
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395 |
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396 for (cl = as -> line_head; cl; cl = cl -> next) |
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397 do |
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398 { |
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399 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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400 |
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401 // if address jump or xxx0 address, start new line |
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402 if ((rc == -1) || ((rc == 1) && (outaddr % RECLEN == 0))) |
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403 { |
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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|
404 fprintf(of, "\r\n%04X:", (unsigned int)(outaddr & 0xffff)); |
321
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405 fprintf(of, "%02X", (unsigned char)outbyte); |
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406 rc = -1; |
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407 } |
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408 if (rc == 1) |
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409 fprintf(of, ",%02X", (unsigned char)outbyte); |
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410 } |
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411 while (rc); |
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412 } |
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|
413 |
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|
414 |
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415 /* Motorola S19 hex file format */ |
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416 |
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417 void write_code_srec(asmstate_t *as, FILE *of) |
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418 { |
360
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Use #define instead of const int to avoid issues with some compilers
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|
419 #define SRECLEN 16 |
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|
420 #define HDRLEN 51 |
321
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421 |
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422 line_t *cl; |
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423 char outbyte; |
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424 int outaddr; |
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425 int rc; |
360
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|
426 unsigned int i; |
321
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427 int recaddr = 0; |
360
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|
428 unsigned int recdlen = 0; |
321
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429 unsigned char recdata[SRECLEN]; |
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|
430 int recsum; |
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431 int reccnt = -1; |
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432 char rechdr[HDRLEN]; |
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|
433 |
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434 for (cl = as -> line_head; cl; cl = cl -> next) |
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|
435 do |
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|
436 { |
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437 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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438 |
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439 // if address jump or xxx0 address, start new S1 record |
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440 if ((rc == -1) || ((rc == 1) && (outaddr % SRECLEN == 0))) |
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441 { |
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442 // if not already done so, emit an S0 header record |
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443 if (reccnt < 0) |
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444 { |
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445 // build header from version and filespec |
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446 // e.g. "[lwtools X.Y] filename.asm" |
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447 strcpy(rechdr, "["); |
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448 strcat(rechdr, PACKAGE_STRING); |
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449 strcat(rechdr, "] "); |
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450 i = strlen(rechdr); |
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451 strncat(rechdr, cl -> linespec, HDRLEN - 1 - i); |
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452 recsum = strlen(rechdr) + 3; |
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453 fprintf(of, "S0%02X0000", recsum); |
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454 for (i = 0; i < strlen(rechdr); i++) |
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455 { |
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456 fprintf(of, "%02X", (unsigned char)rechdr[i]); |
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457 recsum += (unsigned char)rechdr[i]; |
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458 } |
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459 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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460 reccnt = 0; |
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461 } |
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462 |
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463 // flush any current S1 record before starting new one |
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464 if (recdlen > 0) |
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465 { |
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466 recsum = recdlen + 3; |
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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|
467 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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468 for (i = 0; i < recdlen; i++) |
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469 { |
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470 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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471 recsum += (unsigned char)recdata[i]; |
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472 } |
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473 recsum += (recaddr >> 8) & 0xFF; |
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474 recsum += recaddr & 0xFF; |
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475 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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476 reccnt += 1; |
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477 } |
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478 |
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479 // now start the new S1 record |
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480 recdlen = 0; |
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481 recaddr = outaddr; |
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482 rc = 1; |
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483 } |
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484 |
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485 // for each new byte read, add to recdata[] |
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486 if (rc == 1) |
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487 recdata[recdlen++] = outbyte; |
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488 } |
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489 while (rc); |
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490 |
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491 // done with all output lines, flush the final S1 record (if any) |
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492 if (recdlen > 0) |
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493 { |
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494 recsum = recdlen + 3; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
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|
495 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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496 for (i = 0; i < recdlen; i++) |
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497 { |
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498 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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499 recsum += (unsigned char)recdata[i]; |
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500 } |
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501 recsum += (recaddr >> 8) & 0xFF; |
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502 recsum += recaddr & 0xFF; |
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503 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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504 reccnt += 1; |
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505 } |
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506 |
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507 // if any S1 records were output, close with S5 and S9 records |
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508 if (reccnt > 0) |
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509 { |
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510 // emit S5 count record |
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511 recsum = 3; |
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|
512 recsum += (reccnt >> 8) & 0xFF; |
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|
513 recsum += reccnt & 0xFF; |
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514 fprintf(of, "S503%04X", (unsigned int)reccnt); |
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515 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
516 |
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|
517 // emit S9 end-of-file record |
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|
518 recsum = 3; |
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|
519 recsum += (as -> execaddr >> 8) & 0xFF; |
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changeset
|
520 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
|
521 fprintf(of, "S903%04X", as -> execaddr & 0xffff); |
321
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changeset
|
522 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
523 } |
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|
524 } |
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|
525 |
d4ac484d0ec6
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changeset
|
526 |
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changeset
|
527 /* Intel hex file format */ |
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|
528 |
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changeset
|
529 void write_code_ihex(asmstate_t *as, FILE *of) |
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changeset
|
530 { |
360
ade217fd76a5
Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
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321
diff
changeset
|
531 #define IRECLEN 16 |
321
d4ac484d0ec6
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|
532 |
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|
533 line_t *cl; |
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changeset
|
534 char outbyte; |
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changeset
|
535 int outaddr; |
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|
536 int rc; |
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|
537 int i; |
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changeset
|
538 int recaddr = 0; |
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|
539 int recdlen = 0; |
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changeset
|
540 unsigned char recdata[IRECLEN]; |
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changeset
|
541 int recsum; |
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|
542 int reccnt = 0; |
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|
543 |
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changeset
|
544 for (cl = as -> line_head; cl; cl = cl -> next) |
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changeset
|
545 do |
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diff
changeset
|
546 { |
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changeset
|
547 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
548 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
549 // if address jump or xxx0 address, start new ihx record |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
550 if ((rc == -1) || ((rc == 1) && (outaddr % IRECLEN == 0))) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
551 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
552 // flush any current ihex record before starting new one |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
553 if (recdlen > 0) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
554 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
555 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
556 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
changeset
|
557 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
|
558 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
559 fprintf(of, "%02X", (unsigned char)recdata[i]); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
560 recsum += (unsigned char)recdata[i]; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
561 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
562 recsum += (recaddr >> 8) & 0xFF; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
563 recsum += recaddr & 0xFF; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
564 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum)); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
565 reccnt += 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
566 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
567 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
568 // now start the new ihex record |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
569 recdlen = 0; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
570 recaddr = outaddr; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
571 rc = 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
572 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
573 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
574 // for each new byte read, add to recdata[] |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
575 if (rc == 1) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
576 recdata[recdlen++] = outbyte; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
577 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
578 while (rc); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
579 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
580 // done with all output lines, flush the final ihex record (if any) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
581 if (recdlen > 0) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
582 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
583 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
584 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
changeset
|
585 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
|
586 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
587 fprintf(of, "%02X", (unsigned char)recdata[i]); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
588 recsum += (unsigned char)recdata[i]; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
589 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
590 recsum += (recaddr >> 8) & 0xFF; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
591 recsum += recaddr & 0xFF; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
592 fprintf(of, "%02X\r\n", (unsigned char)(256 - recsum)); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
593 reccnt += 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
594 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
595 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
596 // if any ihex records were output, close with a "01" record |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
597 if (reccnt > 0) |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
598 { |
443
999ae00d0919
Fix up execution address handling for ihex and srec output (lwasm)
William Astle <lost@l-w.ca>
parents:
432
diff
changeset
|
599 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
|
600 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
601 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
602 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
603 |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
604 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
|
605 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
606 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
|
607 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
608 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
|
609 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
|
610 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
611 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
|
612 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
|
613 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
614 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
615 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
616 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
|
617 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
618 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
|
619 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
|
620 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
|
621 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
|
622 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
623 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
|
624 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
625 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
|
626 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
627 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
|
628 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
|
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 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
|
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 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
|
633 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
|
634 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
|
635 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
|
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 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
|
638 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
|
639 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
|
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 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
|
642 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
|
643 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
|
644 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
|
645 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
646 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
|
647 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
|
648 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
|
649 |
2c24602be78f
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 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
|
651 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
|
652 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
|
653 |
2c24602be78f
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 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
|
655 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
|
656 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
|
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_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
|
659 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
|
660 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
|
661 |
2c24602be78f
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 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
|
663 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
|
664 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
|
665 |
2c24602be78f
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 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
|
667 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
|
668 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
|
669 |
2c24602be78f
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 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
|
671 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
|
672 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
|
673 |
2c24602be78f
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 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
|
675 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
|
676 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
|
677 |
2c24602be78f
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 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
|
679 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
|
680 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
|
681 |
2c24602be78f
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 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
|
683 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
|
684 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
|
685 |
2c24602be78f
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 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
|
687 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
|
688 } |
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
|
689 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
|
690 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
|
691 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
|
692 |
2c24602be78f
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 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
|
694 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
|
695 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
|
696 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
|
697 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
|
698 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
|
699 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
|
700 |
2c24602be78f
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 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
|
702 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
|
703 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
|
704 { |
2c24602be78f
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 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
|
706 { |
2c24602be78f
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 // 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
|
708 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
|
709 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
|
710 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
711 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
|
712 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
|
713 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
|
714 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
715 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
|
716 { |
2c24602be78f
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 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
|
718 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
|
719 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
|
720 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
|
721 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
|
722 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
|
723 } |
2c24602be78f
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 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
|
725 { |
2c24602be78f
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 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
|
727 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
|
728 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
|
729 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
|
730 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
|
731 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
|
732 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
733 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
|
734 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
|
735 } |
2c24602be78f
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 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
|
737 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
|
738 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
739 } |
2c24602be78f
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 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
|
742 // 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
|
743 // 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
|
744 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
|
745 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
|
746 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
|
747 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
|
748 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
|
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 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
|
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 |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
753 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
|
754 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
755 struct symtabe *se; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
756 unsigned char buf[16]; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
757 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
758 if (!se2) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
759 return; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
760 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
|
761 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
762 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
|
763 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
764 lw_expr_t te; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
765 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
766 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
|
767 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
768 // 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
|
769 if (se -> section != s) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
770 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
771 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
772 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
|
773 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
774 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
|
775 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
776 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
777 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
|
778 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
779 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
|
780 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
|
781 as -> exportcheck = 1; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
782 as -> csect = s; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
783 lwasm_reduce_expr(as, te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
784 as -> exportcheck = 0; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
785 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
786 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
|
787 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
788 // 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
|
789 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
|
790 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
791 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
792 continue; |
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 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
795 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
|
796 if (se -> context >= 0) |
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 writebytes("\x01", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
799 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
|
800 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
|
801 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
802 // the "" is NOT an error |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
803 writebytes("", 1, 1, of); |
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 // write the address |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
806 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
|
807 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
|
808 writebytes(buf, 2, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
809 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
810 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
811 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
|
812 } |
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
|
813 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
814 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
|
815 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
816 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
|
817 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
|
818 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
|
819 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
|
820 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
821 int 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
|
822 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
|
823 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
824 // 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
|
825 // 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
|
826 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
|
827 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
828 // 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
|
829 // 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
|
830 // 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
|
831 // 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
|
832 // 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
|
833 // 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
|
834 // 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
|
835 // 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
|
836 // 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
|
837 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
838 // 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
|
839 // 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
|
840 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
841 // 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
|
842 // 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
|
843 // 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
|
844 // 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
|
845 // (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
|
846 // 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
|
847 // 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
|
848 |
2c24602be78f
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 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
|
850 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
851 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
|
852 { |
2c24602be78f
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 // 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
|
854 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
|
855 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
|
856 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
|
857 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
|
858 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
|
859 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
|
860 } |
2c24602be78f
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 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
862 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
863 // 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
|
864 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
|
865 { |
2c24602be78f
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 // 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
|
867 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
|
868 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
869 // 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
|
870 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
|
871 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
|
872 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
|
873 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
|
874 |
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
|
875 // 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
|
876 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
|
877 |
2c24602be78f
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 // 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
|
879 |
2c24602be78f
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 // 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
|
881 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
|
882 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
883 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
|
884 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
|
885 // 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
|
886 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
|
887 } |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
888 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
889 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
|
890 // 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
|
891 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
|
892 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
893 // 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
|
894 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
|
895 { |
2c24602be78f
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 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
|
897 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
898 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
|
899 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
900 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
|
901 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
|
902 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
|
903 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
|
904 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
|
905 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
|
906 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
|
907 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
|
908 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
|
909 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
|
910 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
|
911 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
|
912 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
|
913 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
914 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
|
915 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
|
916 } |
2c24602be78f
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 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
|
918 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
|
919 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
|
920 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
|
921 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
|
922 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
|
923 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
924 |
2c24602be78f
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 // 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
|
926 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
|
927 |
2c24602be78f
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 // 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
|
929 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
|
930 { |
2c24602be78f
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 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
|
932 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
933 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
|
934 |
2c24602be78f
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 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
|
936 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
|
937 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
|
938 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
|
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 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
|
941 { |
2c24602be78f
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 // 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
|
943 // 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
|
944 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
|
945 } |
2c24602be78f
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 |
2c24602be78f
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 // 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
|
948 // 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
|
949 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
|
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 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
|
952 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
|
953 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
|
954 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
|
955 } |
2c24602be78f
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 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
|
958 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
|
959 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
|
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 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
|
962 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
|
963 } |
2c24602be78f
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 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
|
965 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
|
966 |
2c24602be78f
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 // 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
|
968 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
|
969 |
2c24602be78f
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 // 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
|
971 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
|
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 // 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
|
974 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
|
975 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
|
976 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
|
977 } |
2c24602be78f
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 |
2c24602be78f
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 // 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
|
980 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
|
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 // 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
|
983 |
2c24602be78f
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 // length |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
985 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
|
986 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
987 buf[0] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
988 buf[1] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
989 } |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
990 else |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
991 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
992 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
|
993 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
|
994 } |
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
|
995 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
|
996 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
997 |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
998 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
|
999 { |
2c24602be78f
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 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
|
1001 } |
2c24602be78f
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 } |
2c24602be78f
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 // 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
|
1005 // 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
|
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 } |
432
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1008 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1009 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1010 void write_code_lwmod(asmstate_t *as, FILE *of) |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1011 { |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1012 line_t *l; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1013 sectiontab_t *s; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1014 reloctab_t *re; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1015 int initsize, bsssize, mainsize, callsnum, namesize; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1016 unsigned char *initcode, *maincode, *callscode, *namecode; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1017 int relocsize; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1018 unsigned char *reloccode; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1019 int tsize, bssoff; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1020 int initaddr = -1; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1021 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1022 int i; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1023 unsigned char buf[16]; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1024 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1025 // the magic number |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1026 buf[0] = 0x8f; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1027 buf[1] = 0xcf; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1028 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1029 // run through the entire system and build the byte streams for each |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1030 // section; we will make sure we only have simple references for |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1031 // any undefined references. That means at most an ADD (or SUB) operation |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1032 // with a single BSS symbol reference and a single constant value. |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1033 // We will use the constant value in the code stream and record the |
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1034 // offset in a separate code stream for the BSS relocation table. |
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1035 |
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1036 // We build everything in memory here because we need to calculate the |
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1037 // sizes of everything before we can output the complete header. |
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1038 |
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1039 for (l = as -> line_head; l; l = l -> next) |
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1040 { |
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1041 if (l -> csect) |
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|
1042 { |
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1043 // we're in a section - need to output some bytes |
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1044 if (l -> outputl > 0) |
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1045 for (i = 0; i < l -> outputl; i++) |
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1046 write_code_obj_sbadd(l -> csect, l -> output[i]); |
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1047 else if (l -> outputl == 0 || l -> outputl == -1) |
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1048 for (i = 0; i < l -> len; i++) |
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1049 write_code_obj_sbadd(l -> csect, 0); |
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1050 } |
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|
1051 } |
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|
1052 |
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1053 // now run through sections and set various parameters |
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1054 initsize = 0; |
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1055 bsssize = 0; |
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1056 mainsize = 0; |
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1057 callsnum = 0; |
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1058 callscode = NULL; |
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1059 maincode = NULL; |
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1060 initcode = NULL; |
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1061 namecode = NULL; |
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1062 namesize = 0; |
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1063 relocsize = 0; |
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1064 for (s = as -> sections; s; s = s -> next) |
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1065 { |
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1066 if (!strcmp(s -> name, "bss")) |
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1067 { |
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1068 bsssize = s -> oblen; |
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1069 } |
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1070 else if (!strcmp(s -> name, "main")) |
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1071 { |
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1072 maincode = s -> obytes; |
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1073 mainsize = s -> oblen; |
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1074 } |
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1075 else if (!strcmp(s -> name, "init")) |
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1076 { |
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1077 initcode = s -> obytes; |
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1078 initsize = s -> oblen; |
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1079 } |
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1080 else if (!strcmp(s -> name, "calls")) |
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1081 { |
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1082 callscode = s -> obytes; |
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1083 callsnum = s -> oblen / 2; |
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1084 } |
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1085 else if (!strcmp(s -> name, "modname")) |
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1086 { |
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1087 namecode = s -> obytes; |
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1088 namesize = 0; |
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1089 } |
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1090 for (re = s -> reloctab; re; re = re -> next) |
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1091 { |
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1092 if (re -> expr == NULL) |
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1093 relocsize += 2; |
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1094 } |
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1095 } |
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1096 if (namesize == 0) |
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1097 { |
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1098 namecode = (unsigned char *)(as -> output_file); |
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1099 } |
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1100 else |
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1101 { |
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1102 if (namecode[namesize - 1] != '\0') |
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1103 { |
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1104 namecode[namesize - 1] = '\0'; |
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1105 } |
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1106 if (!*namecode) |
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1107 namecode = (unsigned char *)(as -> output_file); |
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1108 } |
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1109 namesize = strlen((char *)namecode); |
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1110 |
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1111 tsize = namesize + 1 + initsize + mainsize + callsnum * 2 + relocsize + 11; |
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1112 bssoff = namesize + 1 + mainsize + callsnum * 2 + 11; |
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1113 // set up section base addresses |
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1114 for (s = as -> sections; s; s = s -> next) |
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1115 { |
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1116 if (!strcmp(s -> name, "main")) |
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|
1117 { |
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1118 s -> tbase = 11 + namesize + 1 + callsnum * 2; |
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1119 } |
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1120 else if (!strcmp(s -> name, "init")) |
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1121 { |
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1122 s -> tbase = bssoff + relocsize; |
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1123 } |
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1124 else if (!strcmp(s -> name, "calls")) |
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1125 { |
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1126 s -> tbase = 11; |
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1127 } |
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1128 else if (!strcmp(s -> name, "modname")) |
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1129 { |
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1130 s -> tbase = 11 + callsnum * 2; |
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1131 } |
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1132 } |
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1133 |
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1134 // resolve the "init" address |
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1135 if (as -> execaddr_expr) |
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1136 { |
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1137 // need to resolve address with proper section bases |
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1138 lwasm_reduce_expr(as, as -> execaddr_expr); |
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1139 initaddr = lw_expr_intval(as -> execaddr_expr); |
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1140 } |
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1141 else |
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1142 { |
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1143 initaddr = as -> execaddr; |
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1144 } |
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1145 |
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1146 // build relocation data |
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1147 reloccode = NULL; |
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1148 if (relocsize) |
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1149 { |
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1150 unsigned char *tptr; |
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1151 reloccode = lw_alloc(relocsize); |
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1152 tptr = reloccode; |
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1153 |
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1154 for (s = as -> sections; s; s = s -> next) |
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1155 { |
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1156 for (re = s -> reloctab; re; re = re -> next) |
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1157 { |
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1158 lw_expr_t te; |
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1159 line_t tl; |
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1160 int offset; |
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1161 |
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1162 tl.as = as; |
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1163 as -> cl = &tl; |
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1164 as -> csect = s; |
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1165 // as -> exportcheck = 1; |
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1166 |
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1167 if (re -> expr) |
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1168 { |
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1169 int val; |
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1170 int x; |
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1171 |
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1172 te = lw_expr_copy(re -> expr); |
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1173 lwasm_reduce_expr(as, te); |
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1174 if (!lw_expr_istype(te, lw_expr_type_int)) |
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1175 { |
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1176 val = 0; |
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1177 } |
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1178 else |
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1179 { |
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1180 val = lw_expr_intval(te); |
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1181 } |
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1182 lw_expr_destroy(te); |
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1183 x = s -> tbase; |
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1184 s -> tbase = 0; |
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1185 te = lw_expr_copy(re -> offset); |
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1186 lwasm_reduce_expr(as, te); |
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1187 offset = lw_expr_intval(te); |
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1188 lw_expr_destroy(te); |
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1189 s -> tbase = x; |
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1190 // offset *should* be the offset in the section |
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1191 s -> obytes[offset] = val >> 8; |
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1192 s -> obytes[offset + 1] = val & 0xff; |
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1193 continue; |
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1194 } |
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1195 |
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1196 offset = 0; |
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1197 te = lw_expr_copy(re -> offset); |
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1198 lwasm_reduce_expr(as, te); |
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1199 if (!lw_expr_istype(te, lw_expr_type_int)) |
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1200 { |
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1201 lw_expr_destroy(te); |
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1202 offset = 0; |
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1203 continue; |
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1204 } |
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1205 offset = lw_expr_intval(te); |
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1206 lw_expr_destroy(te); |
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1207 //offset += sbase; |
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1208 |
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1209 *tptr++ = offset >> 8; |
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1210 *tptr++ = offset & 0xff; |
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1211 } |
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1212 } |
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1213 } |
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1214 |
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1215 // total size |
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1216 buf[2] = tsize >> 8; |
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1217 buf[3] = tsize & 0xff; |
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1218 // offset to BSS relocs |
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1219 buf[4] = bssoff >> 8; |
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1220 buf[5] = bssoff & 0xff; |
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1221 // BSS size |
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1222 buf[6] = bsssize >> 8; |
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1223 buf[7] = bsssize & 0xff; |
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1224 // init routine offset |
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1225 buf[8] = initaddr >> 8; |
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1226 buf[9] = initaddr & 0xff; |
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1227 // number of call entries |
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1228 buf[10] = callsnum; |
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1229 // write the header |
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1230 writebytes(buf, 11, 1, of); |
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1231 // call data |
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1232 if (callsnum) |
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1233 writebytes(callscode, callsnum * 2, 1, of); |
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1234 // module name |
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1235 writebytes(namecode, namesize + 1, 1, of); |
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1236 // main code |
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1237 if (mainsize) |
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1238 writebytes(maincode, mainsize, 1, of); |
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1239 // bss relocs |
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1240 if (relocsize) |
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1241 writebytes(reloccode, relocsize, 1, of); |
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1242 // init stuff |
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1243 if (initsize) |
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1244 writebytes(initcode, initsize, 1, of); |
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1245 } |