4741aa72 |
1 | /****************************************************************************** |
2 | * |
3 | * LDC2 source code |
4 | * |
fe67c7be |
5 | * $Date: 2007/05/30 02:51:16 $ |
4741aa72 |
6 | * $Author: hachti $ |
7 | * |
8 | * $Log: main.cpp,v $ |
fe67c7be |
9 | * Revision 2.3 2007/05/30 02:51:16 hachti |
10 | * Changed everything towards LDC2 use. |
11 | * Worked on the buildlib.sh. |
12 | * Centralized buildlib.sh to a new lib/common directory. |
13 | * |
14 | * Revision 2.2 2007-03-26 03:20:31 hachti |
d65ad4d7 |
15 | * *** empty log message *** |
16 | * |
17 | * Revision 2.1 2007-03-26 01:15:21 hachti |
09c71e8a |
18 | * *** empty log message *** |
19 | * |
20 | * Revision 2.0 2007-03-26 01:00:40 hachti |
4741aa72 |
21 | * *** empty log message *** |
22 | * |
23 | * |
24 | ******************************************************************************/ |
25 | |
de6b6757 |
26 | #include <sys/types.h> |
27 | #include <sys/stat.h> |
28 | #include <fcntl.h> |
7880ae2d |
29 | |
798b0c1d |
30 | #include <vector> |
31 | #include <string> |
09c71e8a |
32 | |
ea4c19a4 |
33 | #include "config.hh" |
34 | #include "tool.hh" |
97b26985 |
35 | |
36 | #include "tape_block.hh" |
fed2c751 |
37 | #include "data_block_0.hh" |
38 | |
798b0c1d |
39 | using namespace std; |
40 | |
7880ae2d |
41 | #ifndef BUILD_STAMP |
42 | #define BUILD_STAMP "" |
43 | #endif |
44 | |
45 | #ifndef VERSION |
46 | #define VERSION "0.0" |
47 | #endif |
48 | |
874a2bd8 |
49 | #define ID_STRING "\n ldc2 - The X16 object tape analyser\n\ |
7880ae2d |
50 | (C) 2007 Philipp Hachtmann\n\n\ |
51 | Version %s, built %s\n %s\n\n" |
52 | |
874a2bd8 |
53 | /******************************************************************************/ |
7880ae2d |
54 | |
d65ad4d7 |
55 | static FILE * stdwarn; //! Suppressable warning output file pointer. |
56 | static vector<tape_block*> tape; //! The whole tape contents. |
874a2bd8 |
57 | static vector<vector<tape_block*> > objects; //! Tape content in objects. |
7880ae2d |
58 | |
d65ad4d7 |
59 | static int errors = 0; //! Global error counter. |
60 | static int warnings= 0; //! Global warning counter. |
61 | static int errcode = 0; //! Error code for error exit routine. |
62 | |
7880ae2d |
63 | |
09c71e8a |
64 | /******************************************************************************/ |
65 | /*! |
66 | *\brief Error exit routine. |
67 | * |
68 | * This routine tests the global error counter and terminates the program |
69 | * if necessary. |
70 | */ |
874a2bd8 |
71 | void exit_on_error(){ |
72 | if (errors){ |
73 | fprintf(stderr,"Failed. (%i)\n",errcode); |
74 | exit(errcode); |
7880ae2d |
75 | } |
874a2bd8 |
76 | } |
d65ad4d7 |
77 | |
909d3603 |
78 | |
874a2bd8 |
79 | /******************************************************************************/ |
80 | /*! |
81 | *\brief Read in Tape data and do some checks and messages. |
82 | * |
83 | * This routine reads in the tape data. |
84 | * During reading in, checksums are checked and |
85 | * /da001/ information is generated. No object integrity test. |
86 | * Tape block object pointers are put into the global vector |
87 | * tape. |
88 | */ |
89 | void read_tape(){ |
90 | |
91 | tape_block * block=0; //! Pointer to current block. |
92 | bool read_ahead=true; //! Continue scanning for blocks. |
93 | int read_pointer=0; //! Read position in input. |
94 | int block_start=0; //! Start of block position in input. |
95 | int block_end=0; //! End of block position in input. |
96 | int blocks_read=0; //! Number of blocks read in. |
ad324d29 |
97 | |
874a2bd8 |
98 | bool spaced=false; //! Help flag for spaced messages. |
99 | |
100 | string message; //! A warning or help message. |
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101 | |
874a2bd8 |
102 | |
fed2c751 |
103 | while(read_ahead){ |
874a2bd8 |
104 | |
d65ad4d7 |
105 | bool err_checksum=false; //! Checksum error flag. |
106 | bool err_integrity=false; //! Integrity error flag. |
874a2bd8 |
107 | |
d65ad4d7 |
108 | bool warning=false; //! Warning flag. |
109 | bool error=false; //! Error flag. |
874a2bd8 |
110 | |
d65ad4d7 |
111 | // Try to generate block |
7880ae2d |
112 | try{ |
113 | block=tape_block::gen_from_fd(in_fd); |
7880ae2d |
114 | } |
115 | |
116 | catch(tape_block::eof_legal_exception &e){ |
117 | read_pointer+=e.get_consumed(); |
118 | break; // Immediately leave read loop. |
119 | } |
120 | |
121 | catch(tape_block::io_error_exception){ |
fed2c751 |
122 | if (in_fd){ |
d65ad4d7 |
123 | fprintf(stderr,"Error: Could not read from \"%s\"!\n", |
124 | cfg_infile.c_str()); |
fed2c751 |
125 | } else { |
7880ae2d |
126 | fprintf(stderr,"Error: Could not read from stdin!\n"); |
fed2c751 |
127 | } |
874a2bd8 |
128 | error=true; |
fed2c751 |
129 | errcode=2; |
7880ae2d |
130 | break; // Immediately leave read loop. |
131 | } |
132 | |
133 | catch(tape_block::eof_illegal_exception &e){ |
134 | block=e.get_block(); |
874a2bd8 |
135 | err_integrity=true; |
136 | read_ahead=false; |
7880ae2d |
137 | if (cfg_ignore_block_errors){ |
874a2bd8 |
138 | message="Warning: Block integrity check failed!\n"; |
139 | warning=true; |
7880ae2d |
140 | } else { |
874a2bd8 |
141 | message="Error: Block integrity check failed!\n"; |
142 | error=true; |
7880ae2d |
143 | errcode=3; |
fed2c751 |
144 | } |
7880ae2d |
145 | } |
146 | |
147 | catch(tape_block::checksum_error_exception &e){ |
148 | block=e.get_block(); |
874a2bd8 |
149 | err_checksum=true; |
7880ae2d |
150 | if (cfg_ignore_checksum_errors){ |
874a2bd8 |
151 | message="Warning: Block checksum wrong!\n"; |
152 | warning=true; |
fed2c751 |
153 | } else { |
874a2bd8 |
154 | message="Error: Block checksum wrong!\n"; |
155 | error=true; |
7880ae2d |
156 | read_ahead=false; |
157 | errcode=4; |
fed2c751 |
158 | } |
7880ae2d |
159 | } |
160 | |
874a2bd8 |
161 | // Now let's check for block type |
162 | if ((!error)&&(!warning)&&!block->has_known_type()){ |
163 | if (cfg_ignore_unknown_block_errors){ |
164 | message="Warning: Unknown Block type!"; |
165 | warning=true; |
166 | }else{ |
167 | message="Error: Unknown Block type!"; |
168 | error=true; |
169 | read_ahead=false; |
170 | errcode=5; |
171 | } |
172 | } |
173 | |
174 | // Count block. |
175 | blocks_read++; |
176 | tape.insert(tape.end(),block); |
177 | block_start=read_pointer+block->get_discarded_bytes(); |
178 | block_end=block_start+block->get_raw_size()-1; |
179 | read_pointer=block_end+1; |
180 | |
181 | FILE * fp=stdwarn; |
182 | if (error) fp=stderr; |
183 | |
184 | if (cfg_verbose||error||warning){ |
185 | if (!spaced) fprintf(fp,"\n"); |
186 | spaced=false; |
187 | fprintf(fp,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n", |
188 | blocks_read-1, |
189 | block_start, |
190 | block_end, |
191 | block->get_raw_size()); |
192 | } |
193 | |
194 | if (error) fprintf(stderr,message.c_str()); |
195 | if (warning) fprintf(stdwarn,message.c_str()); |
de6b6757 |
196 | |
197 | if(error||warning){ |
874a2bd8 |
198 | dump_vector(block->get_description()); |
de6b6757 |
199 | } else { |
200 | if(cfg_list_contents){ |
201 | FILE * tmp_fp=fdopen(out_fd,"w"); |
202 | dump_vector_fp(block->get_description(),tmp_fp); |
203 | if (!error&&!warning) spaced=false; |
204 | } |
874a2bd8 |
205 | } |
7880ae2d |
206 | |
874a2bd8 |
207 | if (error||warning||cfg_verbose){ |
208 | fprintf(fp,"\n"); |
209 | spaced=true; |
210 | } |
211 | if (error) errors++; |
212 | if (warning) warnings++; |
213 | } // while.... |
7880ae2d |
214 | if (cfg_verbose){ |
874a2bd8 |
215 | close(in_fd); |
216 | fprintf(stderr,"Reading finished.\n"); |
217 | fprintf(stderr,"Bytes read:%i, Blocks read:%i\n",read_pointer,blocks_read); |
218 | } |
219 | } // read_tape() |
220 | |
de6b6757 |
221 | |
874a2bd8 |
222 | /******************************************************************************/ |
d65ad4d7 |
223 | /*! |
224 | *\brief Do integrity test and object or block dumps. |
225 | */ |
de6b6757 |
226 | void process_tape(){ |
d65ad4d7 |
227 | if (cfg_verbose) fprintf(stdwarn,"\nProcessing Data.\n"); |
de6b6757 |
228 | |
229 | bool in_object=false; |
230 | char filename[100]; |
231 | char filename_numbered[100]; |
232 | string objname; |
233 | int unknown_count=-1; |
234 | int fd=-1, fd_numbered=-1; |
235 | int obj_no=0; |
236 | int obj_start_block; |
237 | |
238 | for (unsigned int i=0; i<tape.size();i++){ |
239 | tape_block * block=tape[i]; |
240 | |
241 | if (block->get_type()==tape_block::TBT_EOT){ |
242 | objname="EOT"; |
243 | if (in_object){ |
244 | if (cfg_ignore_object_integrity_errors){ |
d65ad4d7 |
245 | fprintf(stdwarn,"Warning: Object integrity error!\ |
246 | (Object no %i, Block %i unexpected)\n",obj_no,i); |
de6b6757 |
247 | warnings++; |
248 | } else { |
249 | fprintf(stderr,"Error: Object integrity error!\ |
250 | (Object no %i, Block %i unexpected)\n",obj_no,i); |
251 | errors++; |
252 | errcode=6; |
253 | return; |
254 | } |
255 | } |
256 | } |
de6b6757 |
257 | if (!in_object){ // object begin |
d65ad4d7 |
258 | |
de6b6757 |
259 | obj_no++; |
260 | obj_start_block=i; |
261 | |
262 | objname="UNKNOWN"; |
263 | unknown_count++; |
264 | |
265 | vector<string>names=block->get_exported_symbols(); |
266 | for (unsigned int a=0; a<names.size();a++){ |
267 | objname=names[0]; |
268 | if (objname!=" "){ |
269 | objname=objname.substr(0,objname.find_last_not_of(" ")+1); |
270 | unknown_count--; |
271 | break; |
de6b6757 |
272 | } |
273 | } |
274 | |
275 | if (block->get_type()==tape_block::TBT_EOT){ |
276 | objname="EOT"; |
277 | } |
278 | |
279 | // Open file for split objects |
280 | if (cfg_split_objects && (block->get_type()!=tape_block::TBT_EOT)){ |
fe67c7be |
281 | if (objname=="UNKNOWN")snprintf(filename,99,"UNKNOWN%02i", |
d65ad4d7 |
282 | unknown_count); |
fe67c7be |
283 | else snprintf(filename,99,"%s",objname.c_str()); |
de6b6757 |
284 | if (fd>-1) close (fd); |
d65ad4d7 |
285 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename); |
de6b6757 |
286 | fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666); |
de6b6757 |
287 | if (fd<0){ |
288 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
289 | filename); |
09c71e8a |
290 | errors++; |
291 | errcode=1; |
292 | return; |
de6b6757 |
293 | } |
294 | } |
295 | |
296 | // Open file for split objects numbered |
fe67c7be |
297 | snprintf(filename_numbered,99,"%03i0-%s",obj_no,objname.c_str()); |
de6b6757 |
298 | if (cfg_split_objects_numbered){ |
d65ad4d7 |
299 | close (fd_numbered); |
300 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename_numbered); |
de6b6757 |
301 | fd_numbered=open(filename_numbered,O_WRONLY|O_CREAT|O_TRUNC,0666); |
302 | if (fd_numbered<0){ |
303 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
304 | filename_numbered); |
09c71e8a |
305 | errors++; |
306 | errcode=1; |
307 | return; |
de6b6757 |
308 | } |
309 | } |
310 | in_object=true; |
311 | } // object begin |
312 | |
313 | // Output block data |
314 | if (cfg_split_objects){ |
315 | try{ |
316 | if (block->get_type()!=tape_block::TBT_EOT) // Don't want EOT here |
317 | block->dump_to_fd(fd); |
318 | } |
319 | catch (tape_block::io_error_exception e){ |
320 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
321 | filename); |
09c71e8a |
322 | errors++; |
323 | errcode=1; |
324 | return; |
de6b6757 |
325 | } |
326 | } // if (cfg_split_objects) |
327 | |
328 | // Output block data |
329 | if (cfg_split_objects_numbered){ |
330 | try{ |
331 | block->dump_to_fd(fd_numbered); |
332 | } |
333 | catch (tape_block::io_error_exception e){ |
334 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
335 | filename_numbered); |
09c71e8a |
336 | errors++; |
337 | errcode=1; |
338 | return; |
de6b6757 |
339 | } |
340 | } // if (cfg_split_objects_numbered) |
341 | |
342 | // Output individual block file if desired |
343 | if (cfg_split_blocks){ |
344 | char fname[100]; |
d65ad4d7 |
345 | snprintf(fname,99,"%03i0-%s-%03i.block",obj_no,objname.c_str(), |
346 | i-obj_start_block); |
347 | if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",fname); |
de6b6757 |
348 | int fd_block=open(fname,O_WRONLY|O_TRUNC|O_CREAT,0666); |
349 | if (fd_block<0){ |
350 | fprintf(stderr,"Error: could not open file \"%s\" for writing!\n", |
351 | fname); |
09c71e8a |
352 | errors++; |
353 | errcode=1; |
d65ad4d7 |
354 | close(fd); |
355 | close(fd_numbered); |
09c71e8a |
356 | return; |
de6b6757 |
357 | } |
358 | try{ |
359 | block->dump_to_fd(fd_block); |
360 | } |
361 | catch (tape_block::io_error_exception e){ |
362 | fprintf(stderr,"Error: could write to file \"%s\"!\n", |
363 | fname); |
09c71e8a |
364 | errors++; |
365 | errcode=1; |
d65ad4d7 |
366 | close(fd); |
367 | close(fd_numbered); |
09c71e8a |
368 | return; |
de6b6757 |
369 | } |
370 | close(fd_block); |
371 | } |
372 | |
373 | if (block->is_endblock()||(block->get_type()==tape_block::TBT_EOT)) { |
374 | in_object=false; |
d65ad4d7 |
375 | close(fd); |
376 | close(fd_numbered); |
de6b6757 |
377 | } |
378 | } // for (...) |
379 | |
380 | if (in_object){ |
381 | if (cfg_ignore_object_integrity_errors){ |
d65ad4d7 |
382 | fprintf(stdwarn,"Warning: Object integrity error! Last object incomplete!\n"); |
de6b6757 |
383 | warnings++; |
384 | } else { |
d65ad4d7 |
385 | fprintf(stdwarn,"Error: Object integrity error! Last Object incomplete!\n"); |
de6b6757 |
386 | errors++; |
387 | errcode=6; |
d65ad4d7 |
388 | if (fd!=-1) close(fd); |
389 | if (fd_numbered!=-1) close(fd_numbered); |
de6b6757 |
390 | return; |
391 | } |
392 | } |
de6b6757 |
393 | } // process_tape() |
874a2bd8 |
394 | |
09c71e8a |
395 | /******************************************************************************/ |
396 | /*! |
397 | *\brief Everything that has to do with symbol listing. |
398 | */ |
d65ad4d7 |
399 | void process_symbols(){ |
de6b6757 |
400 | vector<string>exported; |
401 | vector<string>called; |
402 | vector <string>unsatisfied; |
d65ad4d7 |
403 | |
404 | if (cfg_verbose) fprintf(stdwarn,"\nProcessing Symbols.\n"); |
405 | |
874a2bd8 |
406 | for (unsigned int i=0; i<tape.size();i++){ |
de6b6757 |
407 | merge_vector_unique(exported,tape[i]->get_exported_symbols()); |
408 | merge_vector_unique(called,tape[i]->get_called_symbols()); |
409 | } |
410 | |
411 | for (unsigned int icalled=0;icalled<called.size();icalled++){ |
412 | bool found=false; |
413 | for (unsigned int iexported=0;iexported<exported.size();iexported++){ |
414 | if (exported[iexported].compare(called[icalled])==0){ |
415 | found=true; |
416 | break; |
874a2bd8 |
417 | } |
418 | } |
de6b6757 |
419 | if (!found) { |
420 | bool present=false; |
421 | for (unsigned int i=0;i<unsatisfied.size();i++){ |
422 | if (unsatisfied[i].compare(called[icalled])==0){ |
423 | present=true; |
424 | break; |
425 | } |
426 | } |
427 | if (!present) unsatisfied.insert(unsatisfied.end(),called[icalled]); |
428 | } |
7880ae2d |
429 | } |
de6b6757 |
430 | |
431 | FILE * outp=fdopen(out_fd,"w"); |
432 | |
433 | if (cfg_output_called){ |
434 | dump_vector_fp(called,outp); |
435 | } |
436 | |
437 | if (cfg_output_exported){ |
438 | dump_vector_fp(exported,outp); |
439 | } |
440 | |
441 | if (cfg_output_unsatisfied){ |
442 | dump_vector_fp(unsatisfied,outp); |
443 | } |
444 | |
d65ad4d7 |
445 | } // process_symbols() |
ad324d29 |
446 | |
874a2bd8 |
447 | /******************************************************************************/ |
448 | /*! |
449 | *\brief The main routine. |
09c71e8a |
450 | * |
874a2bd8 |
451 | */ |
452 | int main(int argc, char ** args){ |
7880ae2d |
453 | |
874a2bd8 |
454 | // Do all the configuration stuff |
455 | do_config(argc,args); |
456 | |
457 | // Output a version message if desired |
458 | if (cfg_version){ |
459 | fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP); |
460 | exit(0); |
461 | } |
462 | |
463 | // Assign warning output according to configuration |
464 | if (cfg_quiet) stdwarn=fopen("/dev/null","w"); |
465 | else stdwarn=stderr; |
466 | |
467 | read_tape(); // Process input to completion. |
468 | exit_on_error(); |
469 | |
de6b6757 |
470 | process_tape(); |
471 | exit_on_error(); |
472 | |
d65ad4d7 |
473 | process_symbols(); |
de6b6757 |
474 | exit_on_error(); |
d65ad4d7 |
475 | |
de6b6757 |
476 | if (warnings>0){ |
477 | fprintf(stdwarn,"Warnings:%i\n",warnings); |
478 | return 99; |
874a2bd8 |
479 | } |
d65ad4d7 |
480 | if (cfg_verbose) fprintf(stdwarn,"\nSuccess.\n"); |
ad324d29 |
481 | return 0; |
d65ad4d7 |
482 | |
483 | /* |
484 | * All over this program, no memory is freed. This is not necessary because |
485 | * everything is allocated once and that's it. |
486 | * The classes support proper freeing of their internal buffers. |
487 | */ |
488 | |
ad324d29 |
489 | } // main() |
798b0c1d |
490 | |
d65ad4d7 |
491 | /******************************************************************************/ |