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