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annotate lwasm/output.c @ 425:9f0448022f1f
Fix address overflows in SREC and IHEX file formats
Thanks to hider <stego@satx.rr.com> for pointing out an overflow that caused
16 bit addresses to be output as 5 hex digits in cases where an address
counter wrapped. Simply mask the addresses down to 16 bits.
author | William Astle <lost@l-w.ca> |
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date | Thu, 03 Nov 2016 21:36:17 -0600 |
parents | 7f538053492c |
children | 58cafa61ab40 |
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> |
360
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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 |
0
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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); |
321
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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); |
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45 |
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46 // this prevents warnings about not using the return value of fwrite() |
221 | 47 // r++ prevents the "set but not used" warnings; should be optimized out |
48 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0) | |
0
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49 |
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50 void do_output(asmstate_t *as) |
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51 { |
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52 FILE *of; |
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53 |
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54 if (as -> errorcount > 0) |
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55 { |
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56 fprintf(stderr, "Not doing output due to assembly errors.\n"); |
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57 return; |
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58 } |
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59 |
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60 of = fopen(as -> output_file, "wb"); |
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61 if (!of) |
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62 { |
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63 fprintf(stderr, "Cannot open '%s' for output", as -> output_file); |
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64 perror(""); |
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65 return; |
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66 } |
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67 |
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68 switch (as -> output_format) |
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69 { |
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70 case OUTPUT_RAW: |
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71 write_code_raw(as, of); |
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72 break; |
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73 |
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74 case OUTPUT_DECB: |
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75 write_code_decb(as, of); |
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76 break; |
406 | 77 |
78 case OUTPUT_BASIC: | |
79 write_code_BASIC(as, of); | |
80 break; | |
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81 |
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82 case OUTPUT_RAWREL: |
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83 write_code_rawrel(as, of); |
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84 break; |
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85 |
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86 case OUTPUT_OBJ: |
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87 write_code_obj(as, of); |
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88 break; |
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89 |
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90 case OUTPUT_OS9: |
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91 write_code_os9(as, of); |
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92 break; |
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93 |
321
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94 case OUTPUT_HEX: |
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95 write_code_hex(as, of); |
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96 break; |
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97 |
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98 case OUTPUT_SREC: |
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99 write_code_srec(as, of); |
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100 break; |
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101 |
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102 case OUTPUT_IHEX: |
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103 write_code_ihex(as, of); |
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104 break; |
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105 |
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106 default: |
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107 fprintf(stderr, "BUG: unrecognized output format when generating output file\n"); |
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108 fclose(of); |
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109 unlink(as -> output_file); |
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110 return; |
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111 } |
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112 |
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113 fclose(of); |
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114 } |
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115 |
406 | 116 int write_code_BASIC_fprintf(FILE *of, int linelength, int *linenumber, int value) |
117 { | |
118 if (linelength > 247) | |
119 { | |
120 fprintf(of, "\n"); | |
121 linelength = fprintf(of, "%d DATA ", *linenumber); | |
122 *linenumber += 10; | |
123 } | |
124 else | |
125 { | |
126 linelength += fprintf(of, ","); | |
127 } | |
128 linelength += fprintf(of, "%d", value); | |
129 | |
130 return linelength; | |
131 } | |
132 | |
133 void write_code_BASIC(asmstate_t *as, FILE *of) | |
134 { | |
135 line_t *cl; | |
136 line_t *startblock = as -> line_head; | |
137 line_t *endblock; | |
138 int linenumber, linelength, startaddress, lastaddress, address; | |
139 int outidx; | |
140 | |
141 fprintf(of, "10 READ A,B\n"); | |
142 fprintf(of, "20 IF A=-1 THEN 70\n"); | |
143 fprintf(of, "30 FOR C = A TO B\n"); | |
144 fprintf(of, "40 READ D:POKE C,D\n"); | |
145 fprintf(of, "50 NEXT C\n"); | |
146 fprintf(of, "60 GOTO 10\n"); | |
147 | |
148 if (as -> execaddr == 0) | |
149 { | |
150 fprintf(of, "70 END"); | |
151 } | |
152 else | |
153 { | |
154 fprintf(of, "70 EXEC %d", as -> execaddr); | |
155 } | |
156 | |
157 linenumber = 80; | |
158 linelength = 255; | |
159 | |
160 while(startblock) | |
161 { | |
162 startaddress = -1; | |
163 endblock = NULL; | |
164 | |
165 for (cl = startblock; cl; cl = cl -> next) | |
166 { | |
167 if (cl -> outputl < 0) | |
168 continue; | |
169 | |
170 address = lw_expr_intval(cl -> addr); | |
171 | |
172 if (startaddress == -1) | |
173 { | |
174 startaddress = address; | |
175 lastaddress = address + cl -> outputl - 1; | |
176 } | |
177 else | |
178 { | |
179 if (lastaddress != address - 1) | |
180 { | |
181 endblock = cl; | |
182 break; | |
183 } | |
184 | |
185 lastaddress += cl -> outputl; | |
186 } | |
187 } | |
188 | |
410
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189 if (startaddress != -1) |
406 | 190 { |
410
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191 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, startaddress); |
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192 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, lastaddress); |
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193 |
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194 for (cl = startblock; cl != endblock; cl = cl -> next) |
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195 { |
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196 if (cl -> outputl < 0) |
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197 continue; |
406 | 198 |
410
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199 for (outidx=0; outidx<cl -> outputl; outidx++) |
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200 { |
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201 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, cl -> output[outidx]); |
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202 } |
406 | 203 } |
204 } | |
205 | |
206 startblock = cl; | |
207 } | |
208 | |
209 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
210 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
211 | |
212 fprintf(of, "\n"); | |
213 } | |
214 | |
215 | |
0
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216 /* |
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217 rawrel output treats an ORG directive as an offset from the start of the |
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218 file. Undefined results will occur if an ORG directive moves the output |
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219 pointer backward. This particular implementation uses "fseek" to handle |
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220 ORG requests and to skip over RMBs. |
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221 |
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222 This simple brain damanged method simply does an fseek before outputting |
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223 each instruction. |
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224 */ |
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225 void write_code_rawrel(asmstate_t *as, FILE *of) |
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226 { |
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227 line_t *cl; |
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228 |
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229 for (cl = as -> line_head; cl; cl = cl -> next) |
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230 { |
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231 if (cl -> outputl <= 0) |
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232 continue; |
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233 |
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234 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET); |
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235 writebytes(cl -> output, cl -> outputl, 1, of); |
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236 } |
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237 } |
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238 |
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239 /* |
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240 raw merely writes all the bytes directly to the file as is. ORG is just a |
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241 reference for the assembler to handle absolute references. Multiple ORG |
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242 statements will produce mostly useless results |
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243 */ |
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244 void write_code_raw(asmstate_t *as, FILE *of) |
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245 { |
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246 line_t *cl; |
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247 |
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248 for (cl = as -> line_head; cl; cl = cl -> next) |
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249 { |
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250 if (cl -> len > 0 && cl -> outputl == 0) |
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251 { |
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252 int i; |
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253 for (i = 0; i < cl -> len; i++) |
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254 writebytes("\0", 1, 1, of); |
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255 continue; |
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256 } |
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257 else if (cl -> outputl > 0) |
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258 writebytes(cl -> output, cl -> outputl, 1, of); |
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259 } |
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260 } |
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261 |
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262 |
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263 /* |
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264 OS9 target also just writes all the bytes in order. No need for anything |
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265 else. |
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266 */ |
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267 void write_code_os9(asmstate_t *as, FILE *of) |
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268 { |
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269 line_t *cl; |
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270 |
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271 for (cl = as -> line_head; cl; cl = cl -> next) |
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272 { |
127
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273 // if (cl -> inmod == 0) |
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274 // continue; |
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275 if (cl -> len > 0 && cl -> outputl == 0) |
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276 { |
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277 int i; |
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278 for (i = 0; i < cl -> len; i++) |
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279 writebytes("\0", 1, 1, of); |
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280 continue; |
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281 } |
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282 else if (cl -> outputl > 0) |
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283 writebytes(cl -> output, cl -> outputl, 1, of); |
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284 } |
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285 } |
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286 |
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287 void write_code_decb(asmstate_t *as, FILE *of) |
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288 { |
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289 long preambloc; |
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290 line_t *cl; |
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291 int blocklen = -1; |
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292 int nextcalc = -1; |
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293 unsigned char outbuf[5]; |
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294 int caddr; |
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295 |
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296 for (cl = as -> line_head; cl; cl = cl -> next) |
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297 { |
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298 if (cl -> outputl < 0) |
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299 continue; |
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300 caddr = lw_expr_intval(cl -> addr); |
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301 if (caddr != nextcalc && cl -> outputl > 0) |
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302 { |
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303 // need preamble here |
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304 if (blocklen > 0) |
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305 { |
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306 // update previous preamble if needed |
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307 fseek(of, preambloc, SEEK_SET); |
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308 outbuf[0] = (blocklen >> 8) & 0xFF; |
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309 outbuf[1] = blocklen & 0xFF; |
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310 writebytes(outbuf, 2, 1, of); |
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311 fseek(of, 0, SEEK_END); |
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312 } |
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313 blocklen = 0; |
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314 nextcalc = caddr; |
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315 outbuf[0] = 0x00; |
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316 outbuf[1] = 0x00; |
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317 outbuf[2] = 0x00; |
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318 outbuf[3] = (nextcalc >> 8) & 0xFF; |
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319 outbuf[4] = nextcalc & 0xFF; |
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320 preambloc = ftell(of) + 1; |
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321 writebytes(outbuf, 5, 1, of); |
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322 } |
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323 nextcalc += cl -> outputl; |
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324 writebytes(cl -> output, cl -> outputl, 1, of); |
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325 blocklen += cl -> outputl; |
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326 } |
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327 if (blocklen > 0) |
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328 { |
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329 fseek(of, preambloc, SEEK_SET); |
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330 outbuf[0] = (blocklen >> 8) & 0xFF; |
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331 outbuf[1] = blocklen & 0xFF; |
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332 writebytes(outbuf, 2, 1, of); |
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333 fseek(of, 0, SEEK_END); |
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334 } |
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335 |
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336 // now write postamble |
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337 outbuf[0] = 0xFF; |
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338 outbuf[1] = 0x00; |
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339 outbuf[2] = 0x00; |
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340 outbuf[3] = (as -> execaddr >> 8) & 0xFF; |
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341 outbuf[4] = (as -> execaddr) & 0xFF; |
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342 writebytes(outbuf, 5, 1, of); |
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343 } |
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344 |
321
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345 int fetch_output_byte(line_t *cl, char *value, int *addr) |
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346 { |
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347 static int outidx = 0; |
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348 static int lastaddr = -2; |
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349 |
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350 // try to read next byte in current line's output field |
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351 if ((cl -> outputl > 0) && (outidx < cl -> outputl)) |
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352 { |
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353 *addr = lw_expr_intval(cl -> addr) + outidx; |
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354 *value = *(cl -> output + outidx++); |
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355 |
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356 // this byte follows the previous byte (contiguous, rc = 1) |
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357 if (*addr == lastaddr + 1) |
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358 { |
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359 lastaddr = *addr; |
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360 return 1; |
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361 } |
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362 |
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363 // this byte does not follow prev byte (disjoint, rc = -1) |
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364 else |
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365 { |
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366 lastaddr = *addr; |
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367 return -1; |
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368 } |
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369 } |
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370 |
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371 // no (more) output from this line (rc = 0) |
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372 else |
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373 { |
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374 outidx = 0; |
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375 return 0; |
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376 } |
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377 } |
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378 |
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379 |
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380 /* a simple ASCII hex file format */ |
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381 |
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382 void write_code_hex(asmstate_t *as, FILE *of) |
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383 { |
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384 const int RECLEN = 16; |
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385 |
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386 line_t *cl; |
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387 char outbyte; |
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388 int outaddr; |
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389 int rc; |
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390 |
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391 for (cl = as -> line_head; cl; cl = cl -> next) |
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392 do |
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393 { |
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394 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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395 |
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396 // if address jump or xxx0 address, start new line |
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397 if ((rc == -1) || ((rc == 1) && (outaddr % RECLEN == 0))) |
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398 { |
425
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399 fprintf(of, "\r\n%04X:", (unsigned int)(outaddr & 0xffff)); |
321
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400 fprintf(of, "%02X", (unsigned char)outbyte); |
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401 rc = -1; |
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402 } |
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403 if (rc == 1) |
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404 fprintf(of, ",%02X", (unsigned char)outbyte); |
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405 } |
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406 while (rc); |
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407 } |
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408 |
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409 |
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410 /* Motorola S19 hex file format */ |
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411 |
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412 void write_code_srec(asmstate_t *as, FILE *of) |
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413 { |
360
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414 #define SRECLEN 16 |
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415 #define HDRLEN 51 |
321
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416 |
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417 line_t *cl; |
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418 char outbyte; |
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419 int outaddr; |
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420 int rc; |
360
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421 unsigned int i; |
321
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422 int recaddr = 0; |
360
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423 unsigned int recdlen = 0; |
321
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424 unsigned char recdata[SRECLEN]; |
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425 int recsum; |
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426 int reccnt = -1; |
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427 char rechdr[HDRLEN]; |
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428 |
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429 for (cl = as -> line_head; cl; cl = cl -> next) |
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430 do |
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431 { |
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432 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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433 |
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434 // if address jump or xxx0 address, start new S1 record |
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|
435 if ((rc == -1) || ((rc == 1) && (outaddr % SRECLEN == 0))) |
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436 { |
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437 // if not already done so, emit an S0 header record |
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438 if (reccnt < 0) |
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439 { |
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440 // build header from version and filespec |
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441 // e.g. "[lwtools X.Y] filename.asm" |
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442 strcpy(rechdr, "["); |
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443 strcat(rechdr, PACKAGE_STRING); |
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444 strcat(rechdr, "] "); |
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445 i = strlen(rechdr); |
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446 strncat(rechdr, cl -> linespec, HDRLEN - 1 - i); |
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447 recsum = strlen(rechdr) + 3; |
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448 fprintf(of, "S0%02X0000", recsum); |
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449 for (i = 0; i < strlen(rechdr); i++) |
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450 { |
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451 fprintf(of, "%02X", (unsigned char)rechdr[i]); |
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452 recsum += (unsigned char)rechdr[i]; |
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453 } |
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454 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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455 reccnt = 0; |
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456 } |
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457 |
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458 // flush any current S1 record before starting new one |
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459 if (recdlen > 0) |
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460 { |
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461 recsum = recdlen + 3; |
425
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William Astle <lost@l-w.ca>
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462 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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463 for (i = 0; i < recdlen; i++) |
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464 { |
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465 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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466 recsum += (unsigned char)recdata[i]; |
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467 } |
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468 recsum += (recaddr >> 8) & 0xFF; |
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469 recsum += recaddr & 0xFF; |
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470 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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471 reccnt += 1; |
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472 } |
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473 |
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474 // now start the new S1 record |
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475 recdlen = 0; |
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476 recaddr = outaddr; |
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477 rc = 1; |
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478 } |
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479 |
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480 // for each new byte read, add to recdata[] |
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481 if (rc == 1) |
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482 recdata[recdlen++] = outbyte; |
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483 } |
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484 while (rc); |
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485 |
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486 // done with all output lines, flush the final S1 record (if any) |
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487 if (recdlen > 0) |
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488 { |
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489 recsum = recdlen + 3; |
425
9f0448022f1f
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410
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|
490 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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491 for (i = 0; i < recdlen; i++) |
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492 { |
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493 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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494 recsum += (unsigned char)recdata[i]; |
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495 } |
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496 recsum += (recaddr >> 8) & 0xFF; |
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497 recsum += recaddr & 0xFF; |
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498 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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499 reccnt += 1; |
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500 } |
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501 |
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502 // if any S1 records were output, close with S5 and S9 records |
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503 if (reccnt > 0) |
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504 { |
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505 // emit S5 count record |
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506 recsum = 3; |
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507 recsum += (reccnt >> 8) & 0xFF; |
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508 recsum += reccnt & 0xFF; |
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|
509 fprintf(of, "S503%04X", (unsigned int)reccnt); |
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510 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
511 |
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|
512 // emit S9 end-of-file record |
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|
513 recsum = 3; |
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|
514 recsum += (as -> execaddr >> 8) & 0xFF; |
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changeset
|
515 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
|
516 fprintf(of, "S903%04X", as -> execaddr & 0xffff); |
321
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|
517 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
518 } |
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diff
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|
519 } |
d4ac484d0ec6
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diff
changeset
|
520 |
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diff
changeset
|
521 |
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changeset
|
522 /* Intel hex file format */ |
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|
523 |
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changeset
|
524 void write_code_ihex(asmstate_t *as, FILE *of) |
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221
diff
changeset
|
525 { |
360
ade217fd76a5
Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
526 #define IRECLEN 16 |
321
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|
527 |
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|
528 line_t *cl; |
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changeset
|
529 char outbyte; |
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changeset
|
530 int outaddr; |
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|
531 int rc; |
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|
532 int i; |
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changeset
|
533 int recaddr = 0; |
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|
534 int recdlen = 0; |
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changeset
|
535 unsigned char recdata[IRECLEN]; |
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|
536 int recsum; |
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changeset
|
537 int reccnt = 0; |
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|
538 |
d4ac484d0ec6
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changeset
|
539 for (cl = as -> line_head; cl; cl = cl -> next) |
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diff
changeset
|
540 do |
d4ac484d0ec6
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221
diff
changeset
|
541 { |
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changeset
|
542 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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changeset
|
543 |
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changeset
|
544 // if address jump or xxx0 address, start new ihx record |
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changeset
|
545 if ((rc == -1) || ((rc == 1) && (outaddr % IRECLEN == 0))) |
d4ac484d0ec6
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|
546 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
547 // 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
|
548 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
|
549 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
550 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
551 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
|
552 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
|
553 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
554 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
|
555 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
|
556 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
557 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
|
558 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
|
559 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
|
560 reccnt += 1; |
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 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
563 // 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
|
564 recdlen = 0; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
565 recaddr = outaddr; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
566 rc = 1; |
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 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
569 // 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
|
570 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
|
571 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
|
572 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
573 while (rc); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
574 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
575 // 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
|
576 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
|
577 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
578 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
579 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
|
580 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
|
581 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
582 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
|
583 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
|
584 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
585 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
|
586 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
|
587 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
|
588 reccnt += 1; |
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 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
591 // 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
|
592 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
|
593 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
594 fprintf(of, ":00000001FF"); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
595 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
596 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
597 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
598 |
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
|
599 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
|
600 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
601 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
|
602 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
603 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
|
604 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
|
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 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
|
607 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
|
608 } |
2c24602be78f
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 |
2c24602be78f
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 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
|
612 { |
2c24602be78f
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 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
|
614 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
|
615 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
|
616 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
|
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 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
|
619 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
620 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
|
621 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
622 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
|
623 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
|
624 |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
625 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
|
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_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
|
628 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
|
629 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
|
630 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
|
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_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
|
633 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
|
634 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
|
635 |
2c24602be78f
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 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
|
637 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
|
638 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
|
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_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
|
642 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
|
643 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
|
644 |
2c24602be78f
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 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
|
646 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
|
647 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
|
648 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
649 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
|
650 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
|
651 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
|
652 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
653 case lw_expr_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
|
654 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
|
655 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
|
656 |
2c24602be78f
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 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
|
658 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
|
659 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
|
660 |
2c24602be78f
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 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
|
662 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
|
663 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
|
664 |
2c24602be78f
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 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
|
666 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
|
667 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
|
668 |
2c24602be78f
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 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
|
670 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
|
671 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
|
672 |
2c24602be78f
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 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
|
674 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
|
675 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
|
676 |
2c24602be78f
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 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
|
678 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
|
679 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
|
680 |
2c24602be78f
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 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
|
682 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
|
683 } |
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
|
684 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
|
685 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
|
686 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
|
687 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
688 case lw_expr_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
|
689 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
|
690 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
|
691 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
|
692 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
|
693 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
|
694 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
|
695 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
696 case lw_expr_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
|
697 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
|
698 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
|
699 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
700 case 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
|
701 { |
2c24602be78f
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 // 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
|
703 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
|
704 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
|
705 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
706 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
|
707 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
|
708 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
|
709 } |
2c24602be78f
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 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
|
711 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
712 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
|
713 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
|
714 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
|
715 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
|
716 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
|
717 return 0; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
718 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
719 case 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
|
720 { |
2c24602be78f
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 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
|
722 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
|
723 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
|
724 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
|
725 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
|
726 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
|
727 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
728 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
|
729 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
|
730 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
731 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
|
732 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
|
733 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
734 } |
2c24602be78f
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 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
|
737 // 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
|
738 // 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
|
739 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
|
740 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
|
741 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
|
742 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
|
743 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
|
744 } |
2c24602be78f
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 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
|
746 } |
2c24602be78f
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 |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
748 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
|
749 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
750 struct symtabe *se; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
751 unsigned char buf[16]; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
752 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
753 if (!se2) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
754 return; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
755 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
|
756 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
757 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
|
758 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
759 lw_expr_t te; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
760 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
761 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
|
762 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
763 // 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
|
764 if (se -> section != s) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
765 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
766 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
767 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
|
768 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
769 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
|
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, " Not symbol_flag_set"); |
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 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
|
775 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
|
776 as -> exportcheck = 1; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
777 as -> csect = s; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
778 lwasm_reduce_expr(as, te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
779 as -> exportcheck = 0; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
780 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
781 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
|
782 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
783 // 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
|
784 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
|
785 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
786 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
787 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
788 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
789 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
790 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
|
791 if (se -> context >= 0) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
792 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
793 writebytes("\x01", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
794 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
|
795 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
|
796 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
797 // the "" is NOT an error |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
798 writebytes("", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
799 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
800 // write the address |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
801 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
|
802 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
|
803 writebytes(buf, 2, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
804 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
805 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
806 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
|
807 } |
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
|
808 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
809 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
|
810 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
811 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
|
812 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
|
813 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
|
814 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
|
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 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
|
817 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
|
818 |
2c24602be78f
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 // 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
|
820 // 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
|
821 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
|
822 |
2c24602be78f
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 // 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
|
824 // 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
|
825 // 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
|
826 // 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
|
827 // 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
|
828 // 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
|
829 // 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
|
830 // 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
|
831 // 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
|
832 |
2c24602be78f
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 // 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
|
834 // 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
|
835 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
836 // 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
|
837 // 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
|
838 // 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
|
839 // 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
|
840 // (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
|
841 // 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
|
842 // 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
|
843 |
2c24602be78f
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 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
|
845 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
846 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
|
847 { |
2c24602be78f
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 // 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
|
849 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
|
850 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
|
851 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
|
852 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
|
853 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
|
854 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
|
855 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
856 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
857 |
2c24602be78f
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 // 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
|
859 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
|
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 // 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
|
862 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
|
863 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
864 // 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
|
865 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
|
866 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
|
867 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
|
868 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
|
869 |
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
|
870 // 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
|
871 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
|
872 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
873 // 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
|
874 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
875 // 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
|
876 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
|
877 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
878 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
|
879 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
|
880 // 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
|
881 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
|
882 } |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
883 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
884 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
|
885 // 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
|
886 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
|
887 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
888 // 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
|
889 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
|
890 { |
2c24602be78f
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 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
|
892 lw_expr_t te; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
893 line_t tl; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
894 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
895 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
|
896 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
|
897 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
|
898 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
|
899 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
|
900 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
|
901 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
|
902 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
|
903 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
|
904 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
|
905 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
|
906 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
|
907 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
|
908 { |
2c24602be78f
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 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
|
910 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
|
911 } |
2c24602be78f
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 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
|
913 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
|
914 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
|
915 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
|
916 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
|
917 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
|
918 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
919 |
2c24602be78f
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 // 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
|
921 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
|
922 |
2c24602be78f
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 // 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
|
924 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
|
925 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
926 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
|
927 lw_expr_t te; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
928 line_t tl; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
929 |
2c24602be78f
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 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
|
931 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
|
932 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
|
933 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
|
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 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
|
936 { |
2c24602be78f
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 // 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
|
938 // 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
|
939 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
|
940 } |
2c24602be78f
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 // 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
|
943 // 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
|
944 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
|
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 // 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
|
947 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
|
948 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
|
949 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
|
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 |
2c24602be78f
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 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
|
953 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
|
954 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
|
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 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
|
957 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
|
958 } |
2c24602be78f
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 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
|
960 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
|
961 |
2c24602be78f
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 // 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
|
963 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
|
964 |
2c24602be78f
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 // 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
|
966 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
|
967 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
968 // 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
|
969 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
|
970 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
|
971 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
|
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 |
2c24602be78f
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 // 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
|
975 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
|
976 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
977 // 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
|
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 // length |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
980 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
|
981 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
982 buf[0] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
983 buf[1] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
984 } |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
985 else |
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] = s -> oblen >> 8 & 0xff; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
988 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
|
989 } |
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
|
990 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
|
991 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
992 |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
993 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
|
994 { |
2c24602be78f
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(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
|
996 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
997 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
998 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
999 // 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
|
1000 // 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
|
1001 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
|
1002 } |