Mercurial > hg > index.cgi
annotate lwasm/output.c @ 535:a584b9ddffc4
Update raw output to work with RMB only definitions at the start
It seems useful to be able to define a number of symbols at the start of the
source file without generating a run of NUL output. This update adjusts the
output to ignore any number of statements that generate no output as long as
there is a subsequent ORG statement. If there is no ORG statement after
them, the NUL sequence should still appear.
author | William Astle <lost@l-w.ca> |
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date | Sat, 14 May 2022 21:30:59 -0600 |
parents | a812bb4d3a51 |
children | 33a59e232a5b |
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 |
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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" |
535
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35 #include "instab.h" |
0
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36 |
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37 void write_code_raw(asmstate_t *as, FILE *of); |
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38 void write_code_decb(asmstate_t *as, FILE *of); |
406 | 39 void write_code_BASIC(asmstate_t *as, FILE *of); |
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40 void write_code_rawrel(asmstate_t *as, FILE *of); |
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41 void write_code_obj(asmstate_t *as, FILE *of); |
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42 void write_code_os9(asmstate_t *as, FILE *of); |
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43 void write_code_hex(asmstate_t *as, FILE *of); |
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44 void write_code_srec(asmstate_t *as, FILE *of); |
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45 void write_code_ihex(asmstate_t *as, FILE *of); |
432
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46 void write_code_lwmod(asmstate_t *as, FILE *of); |
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47 |
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48 // this prevents warnings about not using the return value of fwrite() |
221 | 49 // r++ prevents the "set but not used" warnings; should be optimized out |
50 #define writebytes(s, l, c, f) do { int r; r = fwrite((s), (l), (c), (f)); r++; } while (0) | |
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51 |
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52 void do_output(asmstate_t *as) |
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53 { |
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54 FILE *of; |
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55 |
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56 if (as -> errorcount > 0) |
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57 { |
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58 fprintf(stderr, "Not doing output due to assembly errors.\n"); |
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59 return; |
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60 } |
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61 |
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62 of = fopen(as -> output_file, "wb"); |
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63 if (!of) |
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64 { |
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65 fprintf(stderr, "Cannot open '%s' for output", as -> output_file); |
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66 perror(""); |
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67 return; |
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68 } |
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69 |
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70 switch (as -> output_format) |
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71 { |
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72 case OUTPUT_RAW: |
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73 write_code_raw(as, of); |
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74 break; |
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75 |
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76 case OUTPUT_DECB: |
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77 write_code_decb(as, of); |
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78 break; |
406 | 79 |
80 case OUTPUT_BASIC: | |
81 write_code_BASIC(as, of); | |
82 break; | |
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83 |
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84 case OUTPUT_RAWREL: |
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85 write_code_rawrel(as, of); |
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86 break; |
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87 |
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88 case OUTPUT_OBJ: |
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89 write_code_obj(as, of); |
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90 break; |
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91 |
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92 case OUTPUT_OS9: |
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93 write_code_os9(as, of); |
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94 break; |
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95 |
321
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96 case OUTPUT_HEX: |
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97 write_code_hex(as, of); |
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98 break; |
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99 |
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100 case OUTPUT_SREC: |
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101 write_code_srec(as, of); |
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102 break; |
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103 |
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104 case OUTPUT_IHEX: |
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105 write_code_ihex(as, of); |
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106 break; |
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107 |
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108 case OUTPUT_LWMOD: |
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109 write_code_lwmod(as, of); |
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110 break; |
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111 |
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112 default: |
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113 fprintf(stderr, "BUG: unrecognized output format when generating output file\n"); |
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114 fclose(of); |
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115 unlink(as -> output_file); |
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116 return; |
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117 } |
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118 |
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119 fclose(of); |
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120 } |
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121 |
406 | 122 int write_code_BASIC_fprintf(FILE *of, int linelength, int *linenumber, int value) |
123 { | |
124 if (linelength > 247) | |
125 { | |
126 fprintf(of, "\n"); | |
127 linelength = fprintf(of, "%d DATA ", *linenumber); | |
128 *linenumber += 10; | |
129 } | |
130 else | |
131 { | |
132 linelength += fprintf(of, ","); | |
133 } | |
134 linelength += fprintf(of, "%d", value); | |
135 | |
136 return linelength; | |
137 } | |
138 | |
139 void write_code_BASIC(asmstate_t *as, FILE *of) | |
140 { | |
141 line_t *cl; | |
142 line_t *startblock = as -> line_head; | |
143 line_t *endblock; | |
144 int linenumber, linelength, startaddress, lastaddress, address; | |
145 int outidx; | |
146 | |
147 fprintf(of, "10 READ A,B\n"); | |
148 fprintf(of, "20 IF A=-1 THEN 70\n"); | |
149 fprintf(of, "30 FOR C = A TO B\n"); | |
150 fprintf(of, "40 READ D:POKE C,D\n"); | |
151 fprintf(of, "50 NEXT C\n"); | |
152 fprintf(of, "60 GOTO 10\n"); | |
153 | |
154 if (as -> execaddr == 0) | |
155 { | |
156 fprintf(of, "70 END"); | |
157 } | |
158 else | |
159 { | |
160 fprintf(of, "70 EXEC %d", as -> execaddr); | |
161 } | |
162 | |
163 linenumber = 80; | |
164 linelength = 255; | |
165 | |
166 while(startblock) | |
167 { | |
168 startaddress = -1; | |
169 endblock = NULL; | |
170 | |
171 for (cl = startblock; cl; cl = cl -> next) | |
172 { | |
173 if (cl -> outputl < 0) | |
174 continue; | |
175 | |
176 address = lw_expr_intval(cl -> addr); | |
177 | |
178 if (startaddress == -1) | |
179 { | |
180 startaddress = address; | |
181 lastaddress = address + cl -> outputl - 1; | |
182 } | |
183 else | |
184 { | |
185 if (lastaddress != address - 1) | |
186 { | |
187 endblock = cl; | |
188 break; | |
189 } | |
190 | |
191 lastaddress += cl -> outputl; | |
192 } | |
193 } | |
194 | |
410
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195 if (startaddress != -1) |
406 | 196 { |
410
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197 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, startaddress); |
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198 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, lastaddress); |
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199 |
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200 for (cl = startblock; cl != endblock; cl = cl -> next) |
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201 { |
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202 if (cl -> outputl < 0) |
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203 continue; |
406 | 204 |
410
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205 for (outidx=0; outidx<cl -> outputl; outidx++) |
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206 { |
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207 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, cl -> output[outidx]); |
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208 } |
406 | 209 } |
210 } | |
211 | |
212 startblock = cl; | |
213 } | |
214 | |
215 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
216 linelength = write_code_BASIC_fprintf(of, linelength, &linenumber, -1); | |
217 | |
218 fprintf(of, "\n"); | |
219 } | |
220 | |
221 | |
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222 /* |
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223 rawrel output treats an ORG directive as an offset from the start of the |
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224 file. Undefined results will occur if an ORG directive moves the output |
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225 pointer backward. This particular implementation uses "fseek" to handle |
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226 ORG requests and to skip over RMBs. |
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227 |
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228 This simple brain damanged method simply does an fseek before outputting |
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229 each instruction. |
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230 */ |
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231 void write_code_rawrel(asmstate_t *as, FILE *of) |
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232 { |
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233 line_t *cl; |
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234 |
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235 for (cl = as -> line_head; cl; cl = cl -> next) |
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236 { |
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237 if (cl -> outputl <= 0) |
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238 continue; |
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239 |
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240 fseek(of, lw_expr_intval(cl -> addr), SEEK_SET); |
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241 writebytes(cl -> output, cl -> outputl, 1, of); |
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242 } |
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243 } |
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244 |
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245 /* |
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246 raw merely writes all the bytes directly to the file as is. ORG is just a |
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247 reference for the assembler to handle absolute references. Multiple ORG |
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248 statements will produce mostly useless results |
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249 |
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250 However, if a run of RMBs exists at the start that is ended by an ORG |
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251 statement, that run of RMBs will not be output as a zero fill. |
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252 */ |
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253 void write_code_raw(asmstate_t *as, FILE *of) |
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254 { |
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255 line_t *cl; |
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256 line_t *sl; |
0
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257 |
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258 sl = as -> line_head; |
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259 for (cl = sl; cl; cl = cl -> next) |
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260 { |
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261 if (cl -> outputl > 0) |
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262 break; |
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263 if (instab[cl -> insn].flags & lwasm_insn_org) |
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264 sl = cl; |
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265 } |
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266 for (cl = sl; cl; cl = cl -> next) |
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267 { |
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268 if (cl -> len > 0 && cl -> outputl < 0) |
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269 { |
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270 int i; |
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271 for (i = 0; i < cl -> len; i++) |
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272 writebytes("\0", 1, 1, of); |
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273 continue; |
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274 } |
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275 else if (cl -> outputl > 0) |
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276 writebytes(cl -> output, cl -> outputl, 1, of); |
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277 } |
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278 } |
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279 |
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280 |
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281 /* |
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282 OS9 target also just writes all the bytes in order. No need for anything |
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283 else. |
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284 */ |
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285 void write_code_os9(asmstate_t *as, FILE *of) |
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286 { |
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287 line_t *cl; |
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288 |
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289 for (cl = as -> line_head; cl; cl = cl -> next) |
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290 { |
127
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291 // if (cl -> inmod == 0) |
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292 // continue; |
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293 if (cl -> len > 0 && cl -> outputl == 0) |
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294 { |
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295 int i; |
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296 for (i = 0; i < cl -> len; i++) |
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297 writebytes("\0", 1, 1, of); |
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298 continue; |
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299 } |
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300 else if (cl -> outputl > 0) |
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301 writebytes(cl -> output, cl -> outputl, 1, of); |
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302 } |
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303 } |
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304 |
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305 void write_code_decb(asmstate_t *as, FILE *of) |
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306 { |
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307 long preambloc; |
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308 line_t *cl; |
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309 int blocklen = -1; |
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310 int nextcalc = -1; |
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311 unsigned char outbuf[5]; |
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312 int caddr; |
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313 |
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314 for (cl = as -> line_head; cl; cl = cl -> next) |
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315 { |
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316 if (cl -> outputl < 0) |
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317 continue; |
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318 caddr = lw_expr_intval(cl -> addr); |
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319 if (caddr != nextcalc && cl -> outputl > 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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320 { |
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321 // need preamble here |
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322 if (blocklen > 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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323 { |
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324 // update previous preamble if needed |
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325 fseek(of, preambloc, SEEK_SET); |
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326 outbuf[0] = (blocklen >> 8) & 0xFF; |
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327 outbuf[1] = blocklen & 0xFF; |
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328 writebytes(outbuf, 2, 1, of); |
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329 fseek(of, 0, SEEK_END); |
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330 } |
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331 blocklen = 0; |
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332 nextcalc = caddr; |
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333 outbuf[0] = 0x00; |
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334 outbuf[1] = 0x00; |
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335 outbuf[2] = 0x00; |
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336 outbuf[3] = (nextcalc >> 8) & 0xFF; |
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337 outbuf[4] = nextcalc & 0xFF; |
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338 preambloc = ftell(of) + 1; |
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339 writebytes(outbuf, 5, 1, of); |
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340 } |
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341 nextcalc += cl -> outputl; |
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342 writebytes(cl -> output, cl -> outputl, 1, of); |
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343 blocklen += cl -> outputl; |
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344 } |
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345 if (blocklen > 0) |
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346 { |
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347 fseek(of, preambloc, SEEK_SET); |
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348 outbuf[0] = (blocklen >> 8) & 0xFF; |
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349 outbuf[1] = blocklen & 0xFF; |
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350 writebytes(outbuf, 2, 1, of); |
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351 fseek(of, 0, SEEK_END); |
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352 } |
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353 |
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354 // now write postamble |
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355 outbuf[0] = 0xFF; |
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356 outbuf[1] = 0x00; |
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357 outbuf[2] = 0x00; |
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358 outbuf[3] = (as -> execaddr >> 8) & 0xFF; |
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359 outbuf[4] = (as -> execaddr) & 0xFF; |
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360 writebytes(outbuf, 5, 1, of); |
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361 } |
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362 |
321
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363 int fetch_output_byte(line_t *cl, char *value, int *addr) |
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364 { |
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365 static int outidx = 0; |
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366 static int lastaddr = -2; |
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367 |
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368 // try to read next byte in current line's output field |
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369 if ((cl -> outputl > 0) && (outidx < cl -> outputl)) |
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370 { |
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371 *addr = lw_expr_intval(cl -> addr) + outidx; |
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372 *value = *(cl -> output + outidx++); |
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373 |
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374 // this byte follows the previous byte (contiguous, rc = 1) |
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375 if (*addr == lastaddr + 1) |
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376 { |
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377 lastaddr = *addr; |
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378 return 1; |
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379 } |
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380 |
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381 // this byte does not follow prev byte (disjoint, rc = -1) |
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382 else |
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383 { |
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384 lastaddr = *addr; |
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385 return -1; |
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386 } |
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387 } |
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388 |
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389 // no (more) output from this line (rc = 0) |
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390 else |
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391 { |
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392 outidx = 0; |
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393 return 0; |
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394 } |
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395 } |
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396 |
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397 |
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398 /* a simple ASCII hex file format */ |
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399 |
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400 void write_code_hex(asmstate_t *as, FILE *of) |
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401 { |
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402 const int RECLEN = 16; |
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403 |
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404 line_t *cl; |
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405 char outbyte; |
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406 int outaddr; |
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407 int rc; |
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408 |
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409 for (cl = as -> line_head; cl; cl = cl -> next) |
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410 do |
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411 { |
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412 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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413 |
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414 // if address jump or xxx0 address, start new line |
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415 if ((rc == -1) || ((rc == 1) && (outaddr % RECLEN == 0))) |
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|
416 { |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
417 fprintf(of, "\r\n%04X:", (unsigned int)(outaddr & 0xffff)); |
321
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418 fprintf(of, "%02X", (unsigned char)outbyte); |
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419 rc = -1; |
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420 } |
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421 if (rc == 1) |
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422 fprintf(of, ",%02X", (unsigned char)outbyte); |
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423 } |
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|
424 while (rc); |
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425 } |
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|
426 |
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|
427 |
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|
428 /* Motorola S19 hex file format */ |
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|
429 |
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|
430 void write_code_srec(asmstate_t *as, FILE *of) |
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|
431 { |
360
ade217fd76a5
Use #define instead of const int to avoid issues with some compilers
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|
432 #define SRECLEN 16 |
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|
433 #define HDRLEN 51 |
321
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434 |
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435 line_t *cl; |
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436 char outbyte; |
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437 int outaddr; |
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438 int rc; |
360
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439 unsigned int i; |
321
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440 int recaddr = 0; |
360
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441 unsigned int recdlen = 0; |
321
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442 unsigned char recdata[SRECLEN]; |
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443 int recsum; |
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444 int reccnt = -1; |
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445 char rechdr[HDRLEN]; |
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446 |
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447 for (cl = as -> line_head; cl; cl = cl -> next) |
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448 do |
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449 { |
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450 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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451 |
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452 // if address jump or xxx0 address, start new S1 record |
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453 if ((rc == -1) || ((rc == 1) && (outaddr % SRECLEN == 0))) |
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454 { |
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455 // if not already done so, emit an S0 header record |
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456 if (reccnt < 0) |
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457 { |
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458 // build header from version and filespec |
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459 // e.g. "[lwtools X.Y] filename.asm" |
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460 strcpy(rechdr, "["); |
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461 strcat(rechdr, PACKAGE_STRING); |
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462 strcat(rechdr, "] "); |
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463 i = strlen(rechdr); |
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464 strncat(rechdr, cl -> linespec, HDRLEN - 1 - i); |
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465 recsum = strlen(rechdr) + 3; |
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466 fprintf(of, "S0%02X0000", recsum); |
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467 for (i = 0; i < strlen(rechdr); i++) |
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468 { |
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469 fprintf(of, "%02X", (unsigned char)rechdr[i]); |
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470 recsum += (unsigned char)rechdr[i]; |
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471 } |
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472 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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473 reccnt = 0; |
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474 } |
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475 |
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476 // flush any current S1 record before starting new one |
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477 if (recdlen > 0) |
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478 { |
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479 recsum = recdlen + 3; |
425
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480 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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481 for (i = 0; i < recdlen; i++) |
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482 { |
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483 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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484 recsum += (unsigned char)recdata[i]; |
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485 } |
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486 recsum += (recaddr >> 8) & 0xFF; |
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487 recsum += recaddr & 0xFF; |
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488 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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489 reccnt += 1; |
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490 } |
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491 |
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492 // now start the new S1 record |
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493 recdlen = 0; |
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494 recaddr = outaddr; |
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495 rc = 1; |
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496 } |
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497 |
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498 // for each new byte read, add to recdata[] |
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499 if (rc == 1) |
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500 recdata[recdlen++] = outbyte; |
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501 } |
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502 while (rc); |
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503 |
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504 // done with all output lines, flush the final S1 record (if any) |
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505 if (recdlen > 0) |
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|
506 { |
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|
507 recsum = recdlen + 3; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
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|
508 fprintf(of, "S1%02X%04X", recdlen + 3, recaddr & 0xffff); |
321
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509 for (i = 0; i < recdlen; i++) |
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|
510 { |
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|
511 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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|
512 recsum += (unsigned char)recdata[i]; |
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|
513 } |
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|
514 recsum += (recaddr >> 8) & 0xFF; |
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|
515 recsum += recaddr & 0xFF; |
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|
516 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
517 reccnt += 1; |
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|
518 } |
d4ac484d0ec6
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|
519 |
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|
520 // if any S1 records were output, close with S5 and S9 records |
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|
521 if (reccnt > 0) |
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|
522 { |
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|
523 // emit S5 count record |
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|
524 recsum = 3; |
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|
525 recsum += (reccnt >> 8) & 0xFF; |
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|
526 recsum += reccnt & 0xFF; |
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|
527 fprintf(of, "S503%04X", (unsigned int)reccnt); |
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|
528 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
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|
529 |
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diff
changeset
|
530 // emit S9 end-of-file record |
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changeset
|
531 recsum = 3; |
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|
532 recsum += (as -> execaddr >> 8) & 0xFF; |
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changeset
|
533 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
|
534 fprintf(of, "S903%04X", as -> execaddr & 0xffff); |
321
d4ac484d0ec6
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Tom LeMense <tlemense@yahoo.com>
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221
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changeset
|
535 fprintf(of, "%02X\r\n", (unsigned char)(~recsum)); |
d4ac484d0ec6
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diff
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|
536 } |
d4ac484d0ec6
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221
diff
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|
537 } |
d4ac484d0ec6
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diff
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|
538 |
d4ac484d0ec6
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changeset
|
539 |
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changeset
|
540 /* Intel hex file format */ |
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|
541 |
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changeset
|
542 void write_code_ihex(asmstate_t *as, FILE *of) |
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Tom LeMense <tlemense@yahoo.com>
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221
diff
changeset
|
543 { |
360
ade217fd76a5
Use #define instead of const int to avoid issues with some compilers
William Astle <lost@l-w.ca>
parents:
321
diff
changeset
|
544 #define IRECLEN 16 |
321
d4ac484d0ec6
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diff
changeset
|
545 |
d4ac484d0ec6
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Tom LeMense <tlemense@yahoo.com>
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|
546 line_t *cl; |
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547 char outbyte; |
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548 int outaddr; |
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549 int rc; |
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|
550 int i; |
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551 int recaddr = 0; |
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552 int recdlen = 0; |
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|
553 unsigned char recdata[IRECLEN]; |
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|
554 int recsum; |
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|
555 int reccnt = 0; |
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diff
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|
556 |
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|
557 for (cl = as -> line_head; cl; cl = cl -> next) |
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|
558 do |
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|
559 { |
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|
560 rc = fetch_output_byte(cl, &outbyte, &outaddr); |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents:
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|
561 |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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changeset
|
562 // if address jump or xxx0 address, start new ihx record |
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|
563 if ((rc == -1) || ((rc == 1) && (outaddr % IRECLEN == 0))) |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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|
564 { |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents:
221
diff
changeset
|
565 // flush any current ihex record before starting new one |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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parents:
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changeset
|
566 if (recdlen > 0) |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
567 { |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
568 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
569 fprintf(of, ":%02X%04X00", recdlen, recaddr & 0xffff); |
321
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
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|
570 for (i = 0; i < recdlen; i++) |
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Tom LeMense <tlemense@yahoo.com>
parents:
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diff
changeset
|
571 { |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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changeset
|
572 fprintf(of, "%02X", (unsigned char)recdata[i]); |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
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diff
changeset
|
573 recsum += (unsigned char)recdata[i]; |
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Tom LeMense <tlemense@yahoo.com>
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changeset
|
574 } |
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Tom LeMense <tlemense@yahoo.com>
parents:
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changeset
|
575 recsum += (recaddr >> 8) & 0xFF; |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
576 recsum += recaddr & 0xFF; |
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Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
577 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
|
578 reccnt += 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
579 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
580 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
581 // 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
|
582 recdlen = 0; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
583 recaddr = outaddr; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
584 rc = 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
585 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
586 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
587 // 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
|
588 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
|
589 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
|
590 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
591 while (rc); |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
592 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
593 // 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
|
594 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
|
595 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
596 recsum = recdlen; |
425
9f0448022f1f
Fix address overflows in SREC and IHEX file formats
William Astle <lost@l-w.ca>
parents:
410
diff
changeset
|
597 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
|
598 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
|
599 { |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
600 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
|
601 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
|
602 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
603 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
|
604 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
|
605 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
|
606 reccnt += 1; |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
607 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
608 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
609 // 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
|
610 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
|
611 { |
443
999ae00d0919
Fix up execution address handling for ihex and srec output (lwasm)
William Astle <lost@l-w.ca>
parents:
432
diff
changeset
|
612 fprintf(of, ":00%04X01FF", as -> execaddr & 0xffff); |
321
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
613 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
614 } |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
615 |
d4ac484d0ec6
Add support for Motorola SREC and Intel Hex output formats to lwasm.
Tom LeMense <tlemense@yahoo.com>
parents:
221
diff
changeset
|
616 |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
617 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
|
618 { |
2c24602be78f
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 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
|
620 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
621 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
|
622 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
|
623 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
624 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
|
625 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
|
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
628 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
629 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
|
630 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
631 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
|
632 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
|
633 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
|
634 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
|
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 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
|
637 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
638 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
|
639 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
640 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
|
641 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
|
642 |
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
|
643 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
|
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_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
|
646 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
|
647 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
|
648 break; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
649 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
650 case lw_expr_oper_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
|
651 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
|
652 break; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
653 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
654 case lw_expr_oper_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
|
655 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
|
656 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
|
657 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
|
658 |
2c24602be78f
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 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
|
660 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
|
661 break; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
662 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
663 case lw_expr_oper_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
|
664 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
|
665 break; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
666 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
667 case lw_expr_oper_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
|
668 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
|
669 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
|
670 |
2c24602be78f
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 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
|
672 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
|
673 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
|
674 |
2c24602be78f
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 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
|
676 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
|
677 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
|
678 |
2c24602be78f
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 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
|
680 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
|
681 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
|
682 |
2c24602be78f
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 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
|
684 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
|
685 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
|
686 |
2c24602be78f
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 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
|
688 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
|
689 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
|
690 |
2c24602be78f
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 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
|
692 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
|
693 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
|
694 |
2c24602be78f
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 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
|
696 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
|
697 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
|
698 |
2c24602be78f
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 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
|
700 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
|
701 } |
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
|
702 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
|
703 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
|
704 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
|
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 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
|
707 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
|
708 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
|
709 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
|
710 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
|
711 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
|
712 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
|
713 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
714 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
|
715 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
|
716 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
|
717 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
718 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
|
719 { |
2c24602be78f
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 // 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
|
721 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
|
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 |
2c24602be78f
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("\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
|
725 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
|
726 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
|
727 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
728 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
|
729 { |
2c24602be78f
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 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
|
731 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
|
732 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
|
733 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
|
734 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
|
735 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
|
736 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
737 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
|
738 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
739 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
|
740 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
|
741 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
|
742 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
|
743 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
|
744 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
|
745 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
746 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
|
747 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
|
748 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
749 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
|
750 return 0; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
751 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
752 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
753 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
754 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
|
755 // 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
|
756 // 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
|
757 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
|
758 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
|
759 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
|
760 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
|
761 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
|
762 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
763 return 0; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
764 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
765 |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
766 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
|
767 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
768 struct symtabe *se; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
769 unsigned char buf[16]; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
770 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
771 if (!se2) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
772 return; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
773 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
|
774 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
775 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
|
776 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
777 lw_expr_t te; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
778 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
779 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
|
780 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
781 // 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
|
782 if (se -> section != s) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
783 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
784 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
785 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
|
786 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
787 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
|
788 continue; |
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 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
|
791 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
792 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
|
793 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
|
794 as -> exportcheck = 1; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
795 as -> csect = s; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
796 lwasm_reduce_expr(as, te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
797 as -> exportcheck = 0; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
798 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
799 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
|
800 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
801 // 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
|
802 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
|
803 { |
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 continue; |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
806 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
807 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
808 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
|
809 if (se -> context >= 0) |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
810 { |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
811 writebytes("\x01", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
812 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
|
813 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
|
814 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
815 // the "" is NOT an error |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
816 writebytes("", 1, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
817 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
818 // write the address |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
819 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
|
820 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
|
821 writebytes(buf, 2, 1, of); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
822 lw_expr_destroy(te); |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
823 } |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
824 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
|
825 } |
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
|
826 |
2c24602be78f
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 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
|
828 { |
2c24602be78f
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 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
|
830 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
|
831 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
|
832 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
|
833 |
2c24602be78f
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 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
|
835 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
|
836 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
837 // 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
|
838 // 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
|
839 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
|
840 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
841 // 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
|
842 // 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
|
843 // 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
|
844 // 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
|
845 // 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
|
846 // 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
|
847 // 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
|
848 // 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
|
849 // 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
|
850 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
851 // 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
|
852 // 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
|
853 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
854 // 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
|
855 // 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
|
856 // 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
|
857 // 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
|
858 // (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
|
859 // 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
|
860 // 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
|
861 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
862 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
|
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 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
|
865 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
866 // 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
|
867 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
|
868 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
|
869 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
|
870 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
|
871 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
|
872 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
|
873 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
874 } |
2c24602be78f
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
876 // 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
|
877 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
|
878 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
879 // 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
|
880 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
|
881 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
882 // write 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
|
883 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
|
884 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
|
885 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
|
886 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
|
887 |
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
|
888 // 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
|
889 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
|
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 // 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
|
892 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
893 // 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
|
894 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
|
895 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
896 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
|
897 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
|
898 // 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
|
899 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
|
900 } |
195
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
901 |
17bd59f045af
Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents:
156
diff
changeset
|
902 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
|
903 // 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
|
904 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
|
905 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
906 // 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
|
907 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
|
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 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
|
910 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
911 line_t tl = { 0 }; |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
912 |
2c24602be78f
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 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
|
914 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
|
915 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
|
916 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
|
917 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
|
918 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
|
919 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
|
920 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
|
921 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
|
922 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
|
923 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
|
924 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
|
925 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
|
926 { |
2c24602be78f
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_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
|
928 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
|
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 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
|
931 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
|
932 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
|
933 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
|
934 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
|
935 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
|
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 |
2c24602be78f
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 // 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
|
939 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
|
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 // 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
|
942 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
|
943 { |
2c24602be78f
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 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
|
945 lw_expr_t te; |
500
733fd05ca2a8
Initialize temporary line structures properly
William Astle <lost@l-w.ca>
parents:
443
diff
changeset
|
946 line_t tl = { 0 }; |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
947 |
2c24602be78f
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 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
|
949 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
|
950 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
|
951 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
|
952 |
2c24602be78f
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 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
|
954 { |
2c24602be78f
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 // 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
|
956 // 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
|
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 |
2c24602be78f
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 // 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
|
961 // 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
|
962 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
|
963 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
964 // 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
|
965 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
|
966 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
|
967 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
|
968 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
969 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
970 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
|
971 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
|
972 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
|
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 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
|
975 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
|
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 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
|
978 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
|
979 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
980 // 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
|
981 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
|
982 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
983 // 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
|
984 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
|
985 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
986 // 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
|
987 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
|
988 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
|
989 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
|
990 } |
2c24602be78f
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
992 // 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
|
993 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
|
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 // 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
|
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 // length |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
998 if (s -> flags & section_flag_constant) |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
999 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1000 buf[0] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1001 buf[1] = 0; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1002 } |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1003 else |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1004 { |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1005 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
|
1006 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
|
1007 } |
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
|
1008 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
|
1009 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1010 |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
parents:
127
diff
changeset
|
1011 if (!(s -> flags & section_flag_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
|
1012 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1013 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
|
1014 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1015 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1016 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1017 // 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
|
1018 // 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
|
1019 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
|
1020 } |
432
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1021 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1022 |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1023 void write_code_lwmod(asmstate_t *as, FILE *of) |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1024 { |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1025 line_t *l; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1026 sectiontab_t *s; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1027 reloctab_t *re; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1028 int initsize, bsssize, mainsize, callsnum, namesize; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1029 unsigned char *initcode, *maincode, *callscode, *namecode; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents:
425
diff
changeset
|
1030 int relocsize; |
58cafa61ab40
Add support for undocumented custom module format (for LW)
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1031 unsigned char *reloccode; |
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1032 int tsize, bssoff; |
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1033 int initaddr = -1; |
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1034 |
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1035 int i; |
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1036 unsigned char buf[16]; |
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1037 |
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1038 // the magic number |
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1039 buf[0] = 0x8f; |
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1040 buf[1] = 0xcf; |
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1041 |
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1042 // run through the entire system and build the byte streams for each |
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1043 // section; we will make sure we only have simple references for |
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1044 // any undefined references. That means at most an ADD (or SUB) operation |
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1045 // with a single BSS symbol reference and a single constant value. |
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1046 // We will use the constant value in the code stream and record the |
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1047 // offset in a separate code stream for the BSS relocation table. |
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1048 |
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1049 // We build everything in memory here because we need to calculate the |
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1050 // sizes of everything before we can output the complete header. |
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1051 |
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1052 for (l = as -> line_head; l; l = l -> next) |
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1053 { |
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1054 if (l -> csect) |
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1055 { |
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1056 // we're in a section - need to output some bytes |
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1057 if (l -> outputl > 0) |
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1058 for (i = 0; i < l -> outputl; i++) |
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1059 write_code_obj_sbadd(l -> csect, l -> output[i]); |
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1060 else if (l -> outputl == 0 || l -> outputl == -1) |
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1061 for (i = 0; i < l -> len; i++) |
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1062 write_code_obj_sbadd(l -> csect, 0); |
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1063 } |
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1064 } |
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1065 |
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1066 // now run through sections and set various parameters |
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1067 initsize = 0; |
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1068 bsssize = 0; |
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1069 mainsize = 0; |
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1070 callsnum = 0; |
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1071 callscode = NULL; |
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1072 maincode = NULL; |
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1073 initcode = NULL; |
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1074 namecode = NULL; |
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1075 namesize = 0; |
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1076 relocsize = 0; |
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1077 for (s = as -> sections; s; s = s -> next) |
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1078 { |
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1079 if (!strcmp(s -> name, "bss")) |
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1080 { |
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1081 bsssize = s -> oblen; |
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1082 } |
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1083 else if (!strcmp(s -> name, "main")) |
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1084 { |
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1085 maincode = s -> obytes; |
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1086 mainsize = s -> oblen; |
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1087 } |
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1088 else if (!strcmp(s -> name, "init")) |
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1089 { |
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1090 initcode = s -> obytes; |
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1091 initsize = s -> oblen; |
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1092 } |
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1093 else if (!strcmp(s -> name, "calls")) |
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1094 { |
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1095 callscode = s -> obytes; |
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1096 callsnum = s -> oblen / 2; |
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1097 } |
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1098 else if (!strcmp(s -> name, "modname")) |
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1099 { |
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1100 namecode = s -> obytes; |
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1101 namesize = 0; |
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1102 } |
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1103 for (re = s -> reloctab; re; re = re -> next) |
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1104 { |
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1105 if (re -> expr == NULL) |
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1106 relocsize += 2; |
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1107 } |
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1108 } |
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1109 if (namesize == 0) |
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1110 { |
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1111 namecode = (unsigned char *)(as -> output_file); |
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1112 } |
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1113 else |
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1114 { |
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1115 if (namecode[namesize - 1] != '\0') |
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1116 { |
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1117 namecode[namesize - 1] = '\0'; |
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1118 } |
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1119 if (!*namecode) |
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1120 namecode = (unsigned char *)(as -> output_file); |
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1121 } |
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1122 namesize = strlen((char *)namecode); |
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1123 |
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1124 tsize = namesize + 1 + initsize + mainsize + callsnum * 2 + relocsize + 11; |
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1125 bssoff = namesize + 1 + mainsize + callsnum * 2 + 11; |
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1126 // set up section base addresses |
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1127 for (s = as -> sections; s; s = s -> next) |
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1128 { |
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1129 if (!strcmp(s -> name, "main")) |
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1130 { |
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1131 s -> tbase = 11 + namesize + 1 + callsnum * 2; |
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1132 } |
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1133 else if (!strcmp(s -> name, "init")) |
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1134 { |
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1135 s -> tbase = bssoff + relocsize; |
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1136 } |
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1137 else if (!strcmp(s -> name, "calls")) |
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1138 { |
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1139 s -> tbase = 11; |
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1140 } |
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1141 else if (!strcmp(s -> name, "modname")) |
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1142 { |
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1143 s -> tbase = 11 + callsnum * 2; |
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1144 } |
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1145 } |
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1146 |
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1147 // resolve the "init" address |
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1148 if (as -> execaddr_expr) |
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1149 { |
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1150 // need to resolve address with proper section bases |
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1151 lwasm_reduce_expr(as, as -> execaddr_expr); |
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1152 initaddr = lw_expr_intval(as -> execaddr_expr); |
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1153 } |
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1154 else |
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1155 { |
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1156 initaddr = as -> execaddr; |
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1157 } |
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1158 |
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1159 // build relocation data |
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1160 reloccode = NULL; |
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1161 if (relocsize) |
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1162 { |
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1163 unsigned char *tptr; |
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1164 reloccode = lw_alloc(relocsize); |
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1165 tptr = reloccode; |
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1166 |
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1167 for (s = as -> sections; s; s = s -> next) |
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1168 { |
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1169 for (re = s -> reloctab; re; re = re -> next) |
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1170 { |
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1171 lw_expr_t te; |
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1172 line_t tl; |
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1173 int offset; |
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1174 |
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1175 tl.as = as; |
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1176 as -> cl = &tl; |
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1177 as -> csect = s; |
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1178 // as -> exportcheck = 1; |
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1179 |
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1180 if (re -> expr) |
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1181 { |
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1182 int val; |
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1183 int x; |
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1184 |
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1185 te = lw_expr_copy(re -> expr); |
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1186 lwasm_reduce_expr(as, te); |
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1187 if (!lw_expr_istype(te, lw_expr_type_int)) |
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1188 { |
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1189 val = 0; |
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1190 } |
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1191 else |
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1192 { |
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1193 val = lw_expr_intval(te); |
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1194 } |
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1195 lw_expr_destroy(te); |
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1196 x = s -> tbase; |
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1197 s -> tbase = 0; |
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1198 te = lw_expr_copy(re -> offset); |
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1199 lwasm_reduce_expr(as, te); |
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1200 offset = lw_expr_intval(te); |
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1201 lw_expr_destroy(te); |
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1202 s -> tbase = x; |
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1203 // offset *should* be the offset in the section |
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1204 s -> obytes[offset] = val >> 8; |
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1205 s -> obytes[offset + 1] = val & 0xff; |
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1206 continue; |
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1207 } |
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1208 |
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1209 offset = 0; |
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1210 te = lw_expr_copy(re -> offset); |
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1211 lwasm_reduce_expr(as, te); |
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1212 if (!lw_expr_istype(te, lw_expr_type_int)) |
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1213 { |
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1214 lw_expr_destroy(te); |
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1215 offset = 0; |
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1216 continue; |
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1217 } |
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1218 offset = lw_expr_intval(te); |
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1219 lw_expr_destroy(te); |
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1220 //offset += sbase; |
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1221 |
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1222 *tptr++ = offset >> 8; |
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1223 *tptr++ = offset & 0xff; |
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1224 } |
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1225 } |
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1226 } |
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1227 |
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1228 // total size |
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1229 buf[2] = tsize >> 8; |
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1230 buf[3] = tsize & 0xff; |
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1231 // offset to BSS relocs |
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1232 buf[4] = bssoff >> 8; |
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1233 buf[5] = bssoff & 0xff; |
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1234 // BSS size |
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1235 buf[6] = bsssize >> 8; |
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1236 buf[7] = bsssize & 0xff; |
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1237 // init routine offset |
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1238 buf[8] = initaddr >> 8; |
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1239 buf[9] = initaddr & 0xff; |
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1240 // number of call entries |
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1241 buf[10] = callsnum; |
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1242 // write the header |
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1243 writebytes(buf, 11, 1, of); |
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1244 // call data |
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1245 if (callsnum) |
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1246 writebytes(callscode, callsnum * 2, 1, of); |
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1247 // module name |
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1248 writebytes(namecode, namesize + 1, 1, of); |
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1249 // main code |
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1250 if (mainsize) |
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1251 writebytes(maincode, mainsize, 1, of); |
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1252 // bss relocs |
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1253 if (relocsize) |
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1254 writebytes(reloccode, relocsize, 1, of); |
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1255 // init stuff |
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1256 if (initsize) |
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1257 writebytes(initcode, initsize, 1, of); |
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1258 } |