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1 | /****************************************************************************** |
2 | * |
3 | * LDC2 source code |
4 | * |
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5 | * $Date: 2008/08/25 21:02:24 $ |
4741aa72 |
6 | * $Author: hachti $ |
7 | * |
8 | * $Log: main.cpp,v $ |
eabafcca |
9 | * Revision 2.4 2008/08/25 21:02:24 hachti |
10 | * *** empty log message *** |
11 | * |
12 | * Revision 2.3 2007-05-30 02:51:16 hachti |
fe67c7be |
13 | * Changed everything towards LDC2 use. |
14 | * Worked on the buildlib.sh. |
15 | * Centralized buildlib.sh to a new lib/common directory. |
16 | * |
17 | * Revision 2.2 2007-03-26 03:20:31 hachti |
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18 | * *** empty log message *** |
19 | * |
20 | * Revision 2.1 2007-03-26 01:15:21 hachti |
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21 | * *** empty log message *** |
22 | * |
23 | * Revision 2.0 2007-03-26 01:00:40 hachti |
4741aa72 |
24 | * *** empty log message *** |
25 | * |
26 | * |
27 | ******************************************************************************/ |
28 | |
de6b6757 |
29 | #include <sys/types.h> |
30 | #include <sys/stat.h> |
31 | #include <fcntl.h> |
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32 | #include <unistd.h> |
33 | #include <stdlib.h> |
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34 | |
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35 | #include <vector> |
36 | #include <string> |
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37 | |
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38 | #include "config.hh" |
39 | #include "tool.hh" |
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40 | |
41 | #include "tape_block.hh" |
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42 | #include "data_block_0.hh" |
43 | |
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44 | using namespace std; |
45 | |
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46 | #ifndef BUILD_STAMP |
47 | #define BUILD_STAMP "" |
48 | #endif |
49 | |
50 | #ifndef VERSION |
51 | #define VERSION "0.0" |
52 | #endif |
53 | |
874a2bd8 |
54 | #define ID_STRING "\n ldc2 - The X16 object tape analyser\n\ |
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55 | (C) 2007 Philipp Hachtmann\n\n\ |
56 | Version %s, built %s\n %s\n\n" |
57 | |
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58 | /******************************************************************************/ |
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59 | |
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60 | static FILE * stdwarn; //! Suppressable warning output file pointer. |
61 | static vector<tape_block*> tape; //! The whole tape contents. |
874a2bd8 |
62 | static vector<vector<tape_block*> > objects; //! Tape content in objects. |
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63 | |
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64 | static int errors = 0; //! Global error counter. |
65 | static int warnings= 0; //! Global warning counter. |
66 | static int errcode = 0; //! Error code for error exit routine. |
67 | |
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68 | |
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69 | /******************************************************************************/ |
70 | /*! |
71 | *\brief Error exit routine. |
72 | * |
73 | * This routine tests the global error counter and terminates the program |
74 | * if necessary. |
75 | */ |
874a2bd8 |
76 | void exit_on_error(){ |
77 | if (errors){ |
78 | fprintf(stderr,"Failed. (%i)\n",errcode); |
79 | exit(errcode); |
7880ae2d |
80 | } |
874a2bd8 |
81 | } |
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82 | |
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83 | |
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84 | /******************************************************************************/ |
85 | /*! |
86 | *\brief Read in Tape data and do some checks and messages. |
87 | * |
88 | * This routine reads in the tape data. |
89 | * During reading in, checksums are checked and |
90 | * /da001/ information is generated. No object integrity test. |
91 | * Tape block object pointers are put into the global vector |
92 | * tape. |
93 | */ |
94 | void read_tape(){ |
95 | |
96 | tape_block * block=0; //! Pointer to current block. |
97 | bool read_ahead=true; //! Continue scanning for blocks. |
98 | int read_pointer=0; //! Read position in input. |
99 | int block_start=0; //! Start of block position in input. |
100 | int block_end=0; //! End of block position in input. |
101 | int blocks_read=0; //! Number of blocks read in. |
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102 | |
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103 | bool spaced=false; //! Help flag for spaced messages. |
104 | |
105 | string message; //! A warning or help message. |
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106 | |
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107 | |
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108 | while(read_ahead){ |
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109 | |
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110 | bool err_checksum=false; //! Checksum error flag. |
111 | bool err_integrity=false; //! Integrity error flag. |
874a2bd8 |
112 | |
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113 | bool warning=false; //! Warning flag. |
114 | bool error=false; //! Error flag. |
874a2bd8 |
115 | |
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116 | // Try to generate block |
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117 | try{ |
118 | block=tape_block::gen_from_fd(in_fd); |
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119 | } |
120 | |
121 | catch(tape_block::eof_legal_exception &e){ |
122 | read_pointer+=e.get_consumed(); |
123 | break; // Immediately leave read loop. |
124 | } |
125 | |
126 | catch(tape_block::io_error_exception){ |
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127 | if (in_fd){ |
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128 | fprintf(stderr,"Error: Could not read from \"%s\"!\n", |
129 | cfg_infile.c_str()); |
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130 | } else { |
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131 | fprintf(stderr,"Error: Could not read from stdin!\n"); |
fed2c751 |
132 | } |
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133 | error=true; |
fed2c751 |
134 | errcode=2; |
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135 | break; // Immediately leave read loop. |
136 | } |
137 | |
138 | catch(tape_block::eof_illegal_exception &e){ |
139 | block=e.get_block(); |
874a2bd8 |
140 | err_integrity=true; |
141 | read_ahead=false; |
7880ae2d |
142 | if (cfg_ignore_block_errors){ |
874a2bd8 |
143 | message="Warning: Block integrity check failed!\n"; |
144 | warning=true; |
7880ae2d |
145 | } else { |
874a2bd8 |
146 | message="Error: Block integrity check failed!\n"; |
147 | error=true; |
7880ae2d |
148 | errcode=3; |
fed2c751 |
149 | } |
7880ae2d |
150 | } |
151 | |
152 | catch(tape_block::checksum_error_exception &e){ |
153 | block=e.get_block(); |
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154 | err_checksum=true; |
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155 | if (cfg_ignore_checksum_errors){ |
874a2bd8 |
156 | message="Warning: Block checksum wrong!\n"; |
157 | warning=true; |
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158 | } else { |
874a2bd8 |
159 | message="Error: Block checksum wrong!\n"; |
160 | error=true; |
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161 | read_ahead=false; |
162 | errcode=4; |
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163 | } |
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164 | } |
165 | |
874a2bd8 |
166 | // Now let's check for block type |
167 | if ((!error)&&(!warning)&&!block->has_known_type()){ |
168 | if (cfg_ignore_unknown_block_errors){ |
169 | message="Warning: Unknown Block type!"; |
170 | warning=true; |
171 | }else{ |
172 | message="Error: Unknown Block type!"; |
173 | error=true; |
174 | read_ahead=false; |
175 | errcode=5; |
176 | } |
177 | } |
178 | |
179 | // Count block. |
180 | blocks_read++; |
181 | tape.insert(tape.end(),block); |
182 | block_start=read_pointer+block->get_discarded_bytes(); |
183 | block_end=block_start+block->get_raw_size()-1; |
184 | read_pointer=block_end+1; |
185 | |
186 | FILE * fp=stdwarn; |
187 | if (error) fp=stderr; |
188 | |
189 | if (cfg_verbose||error||warning){ |
190 | if (!spaced) fprintf(fp,"\n"); |
191 | spaced=false; |
192 | fprintf(fp,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n", |
193 | blocks_read-1, |
194 | block_start, |
195 | block_end, |
196 | block->get_raw_size()); |
197 | } |
198 | |
199 | if (error) fprintf(stderr,message.c_str()); |
200 | if (warning) fprintf(stdwarn,message.c_str()); |
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201 | |
202 | if(error||warning){ |
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203 | dump_vector(block->get_description()); |
de6b6757 |
204 | } else { |
205 | if(cfg_list_contents){ |
206 | FILE * tmp_fp=fdopen(out_fd,"w"); |
207 | dump_vector_fp(block->get_description(),tmp_fp); |
208 | if (!error&&!warning) spaced=false; |
209 | } |
874a2bd8 |
210 | } |
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211 | |
874a2bd8 |
212 | if (error||warning||cfg_verbose){ |
213 | fprintf(fp,"\n"); |
214 | spaced=true; |
215 | } |
216 | if (error) errors++; |
217 | if (warning) warnings++; |
218 | } // while.... |
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219 | if (cfg_verbose){ |
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220 | close(in_fd); |
221 | fprintf(stderr,"Reading finished.\n"); |
222 | fprintf(stderr,"Bytes read:%i, Blocks read:%i\n",read_pointer,blocks_read); |
223 | } |
224 | } // read_tape() |
225 | |
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226 | |
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227 | /******************************************************************************/ |
d65ad4d7 |
228 | /*! |
229 | *\brief Do integrity test and object or block dumps. |
230 | */ |
de6b6757 |
231 | void process_tape(){ |
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232 | if (cfg_verbose) fprintf(stdwarn,"\nProcessing Data.\n"); |
de6b6757 |
233 | |
234 | bool in_object=false; |
235 | char filename[100]; |
236 | char filename_numbered[100]; |
237 | string objname; |
238 | int unknown_count=-1; |
239 | int fd=-1, fd_numbered=-1; |
240 | int obj_no=0; |
241 | int obj_start_block; |
242 | |
243 | for (unsigned int i=0; i<tape.size();i++){ |
244 | tape_block * block=tape[i]; |
245 | |
246 | if (block->get_type()==tape_block::TBT_EOT){ |
247 | objname="EOT"; |
248 | if (in_object){ |
249 | if (cfg_ignore_object_integrity_errors){ |
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250 | fprintf(stdwarn,"Warning: Object integrity error!\ |
251 | (Object no %i, Block %i unexpected)\n",obj_no,i); |
de6b6757 |
252 | warnings++; |
253 | } else { |
254 | fprintf(stderr,"Error: Object integrity error!\ |
255 | (Object no %i, Block %i unexpected)\n",obj_no,i); |
256 | errors++; |
257 | errcode=6; |
258 | return; |
259 | } |
260 | } |
261 | } |
de6b6757 |
262 | if (!in_object){ // object begin |
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263 | |
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264 | obj_no++; |
265 | obj_start_block=i; |
266 | |
267 | objname="UNKNOWN"; |
268 | unknown_count++; |
269 | |
270 | vector<string>names=block->get_exported_symbols(); |
271 | for (unsigned int a=0; a<names.size();a++){ |
272 | objname=names[0]; |
273 | if (objname!=" "){ |
274 | objname=objname.substr(0,objname.find_last_not_of(" ")+1); |
275 | unknown_count--; |
276 | break; |
de6b6757 |
277 | } |
278 | } |
279 | |
280 | if (block->get_type()==tape_block::TBT_EOT){ |
281 | objname="EOT"; |
282 | } |
283 | |
284 | // Open file for split objects |
285 | if (cfg_split_objects && (block->get_type()!=tape_block::TBT_EOT)){ |
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286 | if (objname=="UNKNOWN")snprintf(filename,99,"UNKNOWN%02i", |
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287 | unknown_count); |
fe67c7be |
288 | else snprintf(filename,99,"%s",objname.c_str()); |
de6b6757 |
289 | if (fd>-1) close (fd); |
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290 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename); |
de6b6757 |
291 | fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666); |
de6b6757 |
292 | if (fd<0){ |
293 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
294 | filename); |
09c71e8a |
295 | errors++; |
296 | errcode=1; |
297 | return; |
de6b6757 |
298 | } |
299 | } |
300 | |
301 | // Open file for split objects numbered |
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302 | snprintf(filename_numbered,99,"%03i0-%s",obj_no,objname.c_str()); |
de6b6757 |
303 | if (cfg_split_objects_numbered){ |
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304 | close (fd_numbered); |
305 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename_numbered); |
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306 | fd_numbered=open(filename_numbered,O_WRONLY|O_CREAT|O_TRUNC,0666); |
307 | if (fd_numbered<0){ |
308 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
309 | filename_numbered); |
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310 | errors++; |
311 | errcode=1; |
312 | return; |
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313 | } |
314 | } |
315 | in_object=true; |
316 | } // object begin |
317 | |
318 | // Output block data |
319 | if (cfg_split_objects){ |
320 | try{ |
321 | if (block->get_type()!=tape_block::TBT_EOT) // Don't want EOT here |
322 | block->dump_to_fd(fd); |
323 | } |
324 | catch (tape_block::io_error_exception e){ |
325 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
326 | filename); |
09c71e8a |
327 | errors++; |
328 | errcode=1; |
329 | return; |
de6b6757 |
330 | } |
331 | } // if (cfg_split_objects) |
332 | |
333 | // Output block data |
334 | if (cfg_split_objects_numbered){ |
335 | try{ |
336 | block->dump_to_fd(fd_numbered); |
337 | } |
338 | catch (tape_block::io_error_exception e){ |
339 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
340 | filename_numbered); |
09c71e8a |
341 | errors++; |
342 | errcode=1; |
343 | return; |
de6b6757 |
344 | } |
345 | } // if (cfg_split_objects_numbered) |
346 | |
347 | // Output individual block file if desired |
348 | if (cfg_split_blocks){ |
349 | char fname[100]; |
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350 | snprintf(fname,99,"%03i0-%s-%03i.block",obj_no,objname.c_str(), |
351 | i-obj_start_block); |
352 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",fname); |
de6b6757 |
353 | int fd_block=open(fname,O_WRONLY|O_TRUNC|O_CREAT,0666); |
354 | if (fd_block<0){ |
355 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
356 | fname); |
09c71e8a |
357 | errors++; |
358 | errcode=1; |
d65ad4d7 |
359 | close(fd); |
360 | close(fd_numbered); |
09c71e8a |
361 | return; |
de6b6757 |
362 | } |
363 | try{ |
364 | block->dump_to_fd(fd_block); |
365 | } |
366 | catch (tape_block::io_error_exception e){ |
367 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
368 | fname); |
09c71e8a |
369 | errors++; |
370 | errcode=1; |
d65ad4d7 |
371 | close(fd); |
372 | close(fd_numbered); |
09c71e8a |
373 | return; |
de6b6757 |
374 | } |
375 | close(fd_block); |
376 | } |
377 | |
378 | if (block->is_endblock()||(block->get_type()==tape_block::TBT_EOT)) { |
379 | in_object=false; |
d65ad4d7 |
380 | close(fd); |
381 | close(fd_numbered); |
de6b6757 |
382 | } |
383 | } // for (...) |
384 | |
385 | if (in_object){ |
386 | if (cfg_ignore_object_integrity_errors){ |
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387 | fprintf(stdwarn,"Warning: Object integrity error! Last object incomplete!\n"); |
de6b6757 |
388 | warnings++; |
389 | } else { |
d65ad4d7 |
390 | fprintf(stdwarn,"Error: Object integrity error! Last Object incomplete!\n"); |
de6b6757 |
391 | errors++; |
392 | errcode=6; |
d65ad4d7 |
393 | if (fd!=-1) close(fd); |
394 | if (fd_numbered!=-1) close(fd_numbered); |
de6b6757 |
395 | return; |
396 | } |
397 | } |
de6b6757 |
398 | } // process_tape() |
874a2bd8 |
399 | |
09c71e8a |
400 | /******************************************************************************/ |
401 | /*! |
402 | *\brief Everything that has to do with symbol listing. |
403 | */ |
d65ad4d7 |
404 | void process_symbols(){ |
de6b6757 |
405 | vector<string>exported; |
406 | vector<string>called; |
407 | vector <string>unsatisfied; |
d65ad4d7 |
408 | |
409 | if (cfg_verbose) fprintf(stdwarn,"\nProcessing Symbols.\n"); |
410 | |
874a2bd8 |
411 | for (unsigned int i=0; i<tape.size();i++){ |
de6b6757 |
412 | merge_vector_unique(exported,tape[i]->get_exported_symbols()); |
413 | merge_vector_unique(called,tape[i]->get_called_symbols()); |
414 | } |
415 | |
416 | for (unsigned int icalled=0;icalled<called.size();icalled++){ |
417 | bool found=false; |
418 | for (unsigned int iexported=0;iexported<exported.size();iexported++){ |
419 | if (exported[iexported].compare(called[icalled])==0){ |
420 | found=true; |
421 | break; |
874a2bd8 |
422 | } |
423 | } |
de6b6757 |
424 | if (!found) { |
425 | bool present=false; |
426 | for (unsigned int i=0;i<unsatisfied.size();i++){ |
427 | if (unsatisfied[i].compare(called[icalled])==0){ |
428 | present=true; |
429 | break; |
430 | } |
431 | } |
432 | if (!present) unsatisfied.insert(unsatisfied.end(),called[icalled]); |
433 | } |
7880ae2d |
434 | } |
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435 | |
436 | FILE * outp=fdopen(out_fd,"w"); |
437 | |
438 | if (cfg_output_called){ |
439 | dump_vector_fp(called,outp); |
440 | } |
441 | |
442 | if (cfg_output_exported){ |
443 | dump_vector_fp(exported,outp); |
444 | } |
445 | |
446 | if (cfg_output_unsatisfied){ |
447 | dump_vector_fp(unsatisfied,outp); |
448 | } |
449 | |
d65ad4d7 |
450 | } // process_symbols() |
ad324d29 |
451 | |
874a2bd8 |
452 | /******************************************************************************/ |
453 | /*! |
454 | *\brief The main routine. |
09c71e8a |
455 | * |
874a2bd8 |
456 | */ |
457 | int main(int argc, char ** args){ |
7880ae2d |
458 | |
874a2bd8 |
459 | // Do all the configuration stuff |
460 | do_config(argc,args); |
461 | |
462 | // Output a version message if desired |
463 | if (cfg_version){ |
464 | fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP); |
465 | exit(0); |
466 | } |
467 | |
468 | // Assign warning output according to configuration |
469 | if (cfg_quiet) stdwarn=fopen("/dev/null","w"); |
470 | else stdwarn=stderr; |
471 | |
472 | read_tape(); // Process input to completion. |
473 | exit_on_error(); |
474 | |
de6b6757 |
475 | process_tape(); |
476 | exit_on_error(); |
477 | |
d65ad4d7 |
478 | process_symbols(); |
de6b6757 |
479 | exit_on_error(); |
d65ad4d7 |
480 | |
de6b6757 |
481 | if (warnings>0){ |
482 | fprintf(stdwarn,"Warnings:%i\n",warnings); |
483 | return 99; |
874a2bd8 |
484 | } |
d65ad4d7 |
485 | if (cfg_verbose) fprintf(stdwarn,"\nSuccess.\n"); |
ad324d29 |
486 | return 0; |
d65ad4d7 |
487 | |
488 | /* |
489 | * All over this program, no memory is freed. This is not necessary because |
490 | * everything is allocated once and that's it. |
491 | * The classes support proper freeing of their internal buffers. |
492 | */ |
493 | |
ad324d29 |
494 | } // main() |
798b0c1d |
495 | |
d65ad4d7 |
496 | /******************************************************************************/ |