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089a3e50 C |
1 | /* vms.c -- Write out a VAX/VMS object file |
2 | Copyright (C) 1987, 1988 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* Written by David L. Kashtan */ | |
21 | #include <ctype.h> | |
22 | #include <stdio.h> | |
23 | #include "as.h" | |
24 | #include "md.h" | |
25 | #include "subsegs.h" | |
26 | #include "obstack.h" | |
27 | #include "struc-symbol.h" | |
28 | #include "write.h" | |
29 | #include "symbols.h" | |
30 | ||
31 | #ifdef VMS /* THIS MODULE IS FOR VMS ONLY */ | |
32 | ||
33 | #include <stab.h> | |
34 | #include "objrecdef.h" /* Define VMS Object record lang. */ | |
35 | #include <vms/fabdef.h> /* Define File Access Block */ | |
36 | #include <vms/namdef.h> /* Define NAM Block */ | |
37 | #include <vms/xabdef.h> /* Define XAB */ | |
38 | #include <vms/xabdatdef.h> /* Define Date XAB */ | |
39 | #include <vms/xabfhcdef.h> /* Define File Header XAB */ | |
40 | ||
41 | /* | |
42 | * Version string of the compiler that produced the code we are | |
43 | * assembling. (And this assembler, if we do not have compiler info.) | |
44 | */ | |
45 | extern char version_string[]; | |
46 | char *compiler_version_string; | |
47 | ||
48 | extern char *myname; | |
49 | static symbolS *Entry_Point_Symbol = 0; /* Pointer to "_main" */ | |
50 | ||
51 | /* | |
52 | * We augment the "gas" symbol structure with this | |
53 | */ | |
54 | struct VMS_Symbol { | |
55 | struct VMS_Symbol *Next; | |
56 | struct symbol *Symbol; | |
57 | int Size; | |
58 | int Psect_Index; | |
59 | int Psect_Offset; | |
60 | }; | |
61 | struct VMS_Symbol *VMS_Symbols = 0; | |
62 | ||
63 | /* we need this to keep track of the various input files, so that we can | |
64 | * give the debugger the correct source line | |
65 | */ | |
66 | ||
67 | struct input_file{ | |
68 | struct input_file* next; | |
69 | struct input_file* same_file_fpnt; | |
70 | int file_number; | |
71 | int max_line; | |
72 | int min_line; | |
73 | int offset; | |
74 | char flag; | |
75 | char * name; | |
76 | symbolS * spnt; | |
77 | }; | |
78 | ||
79 | static struct input_file * file_root = (struct input_file*)NULL; | |
80 | ||
81 | struct input_file * find_file(symbolS *); | |
82 | ||
83 | \f | |
84 | /* | |
85 | * If the procedure "main()" exists we have to add the instruction | |
86 | * "jsb c$main_args" at the beginning to be compatible with VAX-11 "C". | |
87 | */ | |
88 | VMS_Check_For_Main() | |
89 | { | |
90 | register symbolS *symbolP; | |
91 | #ifdef HACK_DEC_C_STARTUP /* JF */ | |
92 | register struct frchain *frchainP; | |
93 | register fragS *fragP; | |
94 | register fragS **prev_fragPP; | |
95 | register struct fix *fixP; | |
96 | register fragS *New_Frag; | |
97 | int i; | |
98 | #endif HACK_DEC_C_STARTUP | |
99 | ||
100 | symbolP = (struct symbol *)symbol_find("_main"); | |
101 | if (symbolP && (symbolP->sy_nlist.n_type == (N_TEXT | N_EXT))) { | |
102 | #ifdef HACK_DEC_C_STARTUP | |
103 | if( !flagseen['+']) { | |
104 | #endif | |
105 | /* | |
106 | * Remember the entry point symbol | |
107 | */ | |
108 | Entry_Point_Symbol = symbolP; | |
109 | #ifdef HACK_DEC_C_STARTUP | |
110 | } else { | |
111 | /* | |
112 | * Scan all the fragment chains for the one with "_main" | |
113 | * (Actually we know the fragment from the symbol, but we need | |
114 | * the previous fragment so we can change its pointer) | |
115 | */ | |
116 | frchainP = frchain_root; | |
117 | while(frchainP) { | |
118 | /* | |
119 | * Scan all the fragments in this chain, remembering | |
120 | * the "previous fragment" | |
121 | */ | |
122 | prev_fragPP = &frchainP->frch_root; | |
123 | fragP = frchainP->frch_root; | |
124 | while(fragP && (fragP != frchainP->frch_last)) { | |
125 | /* | |
126 | * Is this the fragment? | |
127 | */ | |
128 | if (fragP == symbolP->sy_frag) { | |
129 | /* | |
130 | * Yes: Modify the fragment by replacing | |
131 | * it with a new fragment. | |
132 | */ | |
133 | New_Frag = (fragS *) | |
134 | xmalloc(sizeof(*New_Frag) + | |
135 | fragP->fr_fix + | |
136 | fragP->fr_var + | |
137 | 5); | |
138 | /* | |
139 | * The fragments are the same except | |
140 | * that the "fixed" area is larger | |
141 | */ | |
142 | *New_Frag = *fragP; | |
143 | New_Frag->fr_fix += 6; | |
144 | /* | |
145 | * Copy the literal data opening a hole | |
146 | * 2 bytes after "_main" (i.e. just after | |
147 | * the entry mask). Into which we place | |
148 | * the JSB instruction. | |
149 | */ | |
150 | New_Frag->fr_literal[0] = fragP->fr_literal[0]; | |
151 | New_Frag->fr_literal[1] = fragP->fr_literal[1]; | |
152 | New_Frag->fr_literal[2] = 0x16; /* Jsb */ | |
153 | New_Frag->fr_literal[3] = 0xef; | |
154 | New_Frag->fr_literal[4] = 0; | |
155 | New_Frag->fr_literal[5] = 0; | |
156 | New_Frag->fr_literal[6] = 0; | |
157 | New_Frag->fr_literal[7] = 0; | |
158 | for(i = 2; i < fragP->fr_fix + fragP->fr_var; i++) | |
159 | New_Frag->fr_literal[i+6] = | |
160 | fragP->fr_literal[i]; | |
161 | /* | |
162 | * Now replace the old fragment with the | |
163 | * newly generated one. | |
164 | */ | |
165 | *prev_fragPP = New_Frag; | |
166 | /* | |
167 | * Remember the entry point symbol | |
168 | */ | |
169 | Entry_Point_Symbol = symbolP; | |
170 | /* | |
171 | * Scan the text area fixup structures | |
172 | * as offsets in the fragment may have | |
173 | * changed | |
174 | */ | |
175 | for(fixP = text_fix_root; fixP; fixP = fixP->fx_next) { | |
176 | /* | |
177 | * Look for references to this | |
178 | * fragment. | |
179 | */ | |
180 | if (fixP->fx_frag == fragP) { | |
181 | /* | |
182 | * Change the fragment | |
183 | * pointer | |
184 | */ | |
185 | fixP->fx_frag = New_Frag; | |
186 | /* | |
187 | * If the offset is after | |
188 | * the entry mask we need | |
189 | * to account for the JSB | |
190 | * instruction we just | |
191 | * inserted. | |
192 | */ | |
193 | if (fixP->fx_where >= 2) | |
194 | fixP->fx_where += 6; | |
195 | } | |
196 | } | |
197 | /* | |
198 | * Scan the symbols as offsets in the | |
199 | * fragment may have changed | |
200 | */ | |
201 | for(symbolP = symbol_rootP; | |
202 | symbolP; | |
203 | symbolP = symbolP->sy_next) { | |
204 | /* | |
205 | * Look for references to this | |
206 | * fragment. | |
207 | */ | |
208 | if (symbolP->sy_frag == fragP) { | |
209 | /* | |
210 | * Change the fragment | |
211 | * pointer | |
212 | */ | |
213 | symbolP->sy_frag = New_Frag; | |
214 | /* | |
215 | * If the offset is after | |
216 | * the entry mask we need | |
217 | * to account for the JSB | |
218 | * instruction we just | |
219 | * inserted. | |
220 | */ | |
221 | if (symbolP->sy_nlist.n_value >= 2) | |
222 | symbolP->sy_nlist.n_value += 6; | |
223 | } | |
224 | } | |
225 | /* | |
226 | * Make a symbol reference to | |
227 | * "_c$main_args" so we can get | |
228 | * its address inserted into the | |
229 | * JSB instruction. | |
230 | */ | |
231 | symbolP = (symbolS *)xmalloc(sizeof(*symbolP)); | |
232 | symbolP->sy_nlist.n_un.n_name = "_c$main_args"; | |
233 | symbolP->sy_nlist.n_type = N_UNDF; | |
234 | symbolP->sy_nlist.n_other = 0; | |
235 | symbolP->sy_nlist.n_desc = 0; | |
236 | symbolP->sy_nlist.n_value = 0; | |
237 | symbolP->sy_name_offset = 0; | |
238 | symbolP->sy_number = 0; | |
239 | symbolP->sy_frag = New_Frag; | |
240 | symbolP->sy_forward = 0; | |
241 | symbolP->sy_next = symbol_rootP; | |
242 | symbol_rootP = symbolP; | |
243 | /* | |
244 | * Generate a text fixup structure | |
245 | * to get "_c$main_args" stored into the | |
246 | * JSB instruction. | |
247 | */ | |
248 | fixP = (struct fix *)xmalloc(sizeof(*fixP)); | |
249 | fixP->fx_frag = New_Frag; | |
250 | fixP->fx_where = 4; | |
251 | fixP->fx_addsy = symbolP; | |
252 | fixP->fx_subsy = 0; | |
253 | fixP->fx_offset = 0; | |
254 | fixP->fx_size = sizeof(long); | |
255 | fixP->fx_pcrel = 1; | |
256 | fixP->fx_next = text_fix_root; | |
257 | text_fix_root = fixP; | |
258 | /* | |
259 | * Now make sure we exit from the loop | |
260 | */ | |
261 | frchainP = 0; | |
262 | break; | |
263 | } | |
264 | /* | |
265 | * Try the next fragment | |
266 | */ | |
267 | prev_fragPP = &fragP->fr_next; | |
268 | fragP = fragP->fr_next; | |
269 | } | |
270 | /* | |
271 | * Try the next fragment chain | |
272 | */ | |
273 | if (frchainP) frchainP=frchainP->frch_next; | |
274 | } | |
275 | } | |
276 | #endif /* HACK_DEC_C_STARTUP */ | |
277 | } | |
278 | } | |
279 | \f | |
280 | /* | |
281 | * Write a VAX/VMS object file (everything else has been done!) | |
282 | */ | |
283 | VMS_write_object_file(text_siz, data_siz, text_frag_root, data_frag_root) | |
284 | unsigned text_siz; | |
285 | unsigned data_siz; | |
286 | struct frag *text_frag_root; | |
287 | struct frag *data_frag_root; | |
288 | { | |
289 | register fragS * fragP; | |
290 | register symbolS * symbolP; | |
291 | register symbolS * sp; | |
292 | register struct fix * fixP; | |
293 | register struct VMS_Symbol * vsp; | |
294 | int Local_Initialized_Data_Size = 0; | |
295 | int Psect_Number = 0; /* Psect Index Number */ | |
296 | int Text_Psect = -1; /* Text Psect Index */ | |
297 | int Data_Psect = -2; /* Data Psect Index JF: Was -1 */ | |
298 | int Bss_Psect = -3; /* Bss Psect Index JF: Was -1 */ | |
299 | ||
300 | /* | |
301 | * Create the VMS object file | |
302 | */ | |
303 | Create_VMS_Object_File(); | |
304 | /* | |
305 | * Write the module header records | |
306 | */ | |
307 | Write_VMS_MHD_Records(); | |
308 | \f | |
309 | /* | |
310 | * Generate the VMS object file records | |
311 | * 1st GSD then TIR records | |
312 | */ | |
313 | ||
314 | /******* Global Symbol Dictionary *******/ | |
315 | /* | |
316 | * Define the Text Psect | |
317 | */ | |
318 | if (text_siz > 0) { | |
319 | Text_Psect = Psect_Number++; | |
320 | VMS_Psect_Spec("$code",text_siz,"TEXT"); | |
321 | } | |
322 | /* | |
323 | * Define the BSS Psect | |
324 | */ | |
325 | if (local_bss_counter > 0) { | |
326 | Bss_Psect = Psect_Number++; | |
327 | VMS_Psect_Spec("$uninitialized_data",local_bss_counter,"DATA"); | |
328 | } | |
329 | /* | |
330 | * Now scan the symbols and emit the appropriate GSD records | |
331 | */ | |
332 | for (sp = symbol_rootP; sp; sp = sp->sy_next) { | |
333 | /* | |
334 | * Dispatch on symbol type | |
335 | */ | |
336 | switch(sp->sy_type) { | |
337 | /* | |
338 | * Global uninitialized data | |
339 | */ | |
340 | case N_UNDF | N_EXT: | |
341 | /* | |
342 | * Make a VMS data symbol entry | |
343 | */ | |
344 | vsp = (struct VMS_Symbol *) | |
345 | xmalloc(sizeof(*vsp)); | |
346 | vsp->Symbol = sp; | |
347 | vsp->Size = sp->sy_nlist.n_value; | |
348 | vsp->Psect_Index = Psect_Number++; | |
349 | vsp->Psect_Offset = 0; | |
350 | vsp->Next = VMS_Symbols; | |
351 | VMS_Symbols = vsp; | |
352 | sp->sy_number = (int)vsp; | |
353 | /* | |
354 | * Make the psect for this data | |
355 | */ | |
356 | if(sp->sy_nlist.n_other) | |
357 | VMS_Psect_Spec(sp->sy_nlist.n_un.n_name, | |
358 | vsp->Size, | |
359 | "CONST"); | |
360 | else | |
361 | VMS_Psect_Spec(sp->sy_nlist.n_un.n_name, | |
362 | vsp->Size, | |
363 | "COMMON"); | |
364 | #ifdef NOT_VAX_11_C_COMPATIBLE | |
365 | /* | |
366 | * Place a global symbol at the | |
367 | * beginning of the Psect | |
368 | */ | |
369 | VMS_Global_Symbol_Spec(sp->sy_nlist.n_un.n_name, | |
370 | vsp->Psect_Index, | |
371 | 0, | |
372 | 1); | |
373 | #endif NOT_VAX_11_C_COMPATIBLE | |
374 | break; | |
375 | /* | |
376 | * Local uninitialized data | |
377 | */ | |
378 | case N_BSS: | |
379 | /* | |
380 | * Make a VMS data symbol entry | |
381 | */ | |
382 | vsp = (struct VMS_Symbol *) | |
383 | xmalloc(sizeof(*vsp)); | |
384 | vsp->Symbol = sp; | |
385 | vsp->Size = 0; | |
386 | vsp->Psect_Index = Bss_Psect; | |
387 | vsp->Psect_Offset = | |
388 | sp->sy_nlist.n_value - | |
389 | bss_address_frag . fr_address; | |
390 | vsp->Next = VMS_Symbols; | |
391 | VMS_Symbols = vsp; | |
392 | sp->sy_number = (int)vsp; | |
393 | break; | |
394 | /* | |
395 | * Global initialized data | |
396 | */ | |
397 | case N_DATA | N_EXT: | |
398 | /* | |
399 | * Make a VMS data symbol entry | |
400 | */ | |
401 | vsp = (struct VMS_Symbol *) | |
402 | xmalloc(sizeof(*vsp)); | |
403 | vsp->Symbol = sp; | |
404 | vsp->Size = VMS_Initialized_Data_Size(sp, | |
405 | text_siz + data_siz); | |
406 | vsp->Psect_Index = Psect_Number++; | |
407 | vsp->Psect_Offset = 0; | |
408 | vsp->Next = VMS_Symbols; | |
409 | VMS_Symbols = vsp; | |
410 | sp->sy_number = (int)vsp; | |
411 | /* | |
412 | * Make its psect | |
413 | */ | |
414 | if(sp->sy_nlist.n_other) | |
415 | VMS_Psect_Spec(sp->sy_nlist.n_un.n_name, | |
416 | vsp->Size, | |
417 | "CONST"); | |
418 | else | |
419 | VMS_Psect_Spec(sp->sy_nlist.n_un.n_name, | |
420 | vsp->Size, | |
421 | "COMMON"); | |
422 | #ifdef NOT_VAX_11_C_COMPATIBLE | |
423 | /* | |
424 | * Place a global symbol at the | |
425 | * beginning of the Psect | |
426 | */ | |
427 | VMS_Global_Symbol_Spec(sp->sy_nlist.n_un.n_name, | |
428 | vsp->Psect_Index, | |
429 | 0, | |
430 | 1); | |
431 | #endif NOT_VAX_11_C_COMPATIBLE | |
432 | break; | |
433 | /* | |
434 | * Local initialized data | |
435 | */ | |
436 | case N_DATA: | |
437 | /* | |
438 | * Make a VMS data symbol entry | |
439 | */ | |
440 | vsp = (struct VMS_Symbol *) | |
441 | xmalloc(sizeof(*vsp)); | |
442 | vsp->Symbol = sp; | |
443 | vsp->Size = | |
444 | VMS_Initialized_Data_Size(sp, | |
445 | text_siz + data_siz); | |
446 | vsp->Psect_Index = Data_Psect; | |
447 | vsp->Psect_Offset = | |
448 | Local_Initialized_Data_Size; | |
449 | Local_Initialized_Data_Size += vsp->Size; | |
450 | vsp->Next = VMS_Symbols; | |
451 | VMS_Symbols = vsp; | |
452 | sp->sy_number = (int)vsp; | |
453 | break; | |
454 | /* | |
455 | * Global Text definition | |
456 | */ | |
457 | case N_TEXT | N_EXT: { | |
458 | unsigned short Entry_Mask; | |
459 | ||
460 | /* | |
461 | * Get the entry mask | |
462 | */ | |
463 | fragP = sp->sy_frag; | |
464 | Entry_Mask = (fragP->fr_literal[0] & 0xff) + | |
465 | ((fragP->fr_literal[1] & 0xff) | |
466 | << 8); | |
467 | /* | |
468 | * Define the Procedure entry pt. | |
469 | */ | |
470 | VMS_Procedure_Entry_Pt(sp->sy_nlist.n_un.n_name, | |
471 | Text_Psect, | |
472 | sp->sy_nlist.n_value, | |
473 | Entry_Mask); | |
474 | break; | |
475 | } | |
476 | /* | |
477 | * Local Text definition | |
478 | */ | |
479 | case N_TEXT: | |
480 | /* | |
481 | * Make a VMS data symbol entry | |
482 | */ | |
483 | if(Text_Psect != -1) { | |
484 | vsp = (struct VMS_Symbol *) | |
485 | xmalloc(sizeof(*vsp)); | |
486 | vsp->Symbol = sp; | |
487 | vsp->Size = 0; | |
488 | vsp->Psect_Index = Text_Psect; | |
489 | vsp->Psect_Offset = sp->sy_nlist.n_value; | |
490 | vsp->Next = VMS_Symbols; | |
491 | VMS_Symbols = vsp; | |
492 | sp->sy_number = (int)vsp; | |
493 | } | |
494 | break; | |
495 | /* | |
496 | * Global Reference | |
497 | */ | |
498 | case N_UNDF: | |
499 | /* | |
500 | * Make a GSD global symbol reference | |
501 | * record. | |
502 | */ | |
503 | VMS_Global_Symbol_Spec(sp->sy_nlist.n_un.n_name, | |
504 | 0, | |
505 | 0, | |
506 | 0); | |
507 | break; | |
508 | /* | |
509 | * Anything else | |
510 | */ | |
511 | default: | |
512 | /* | |
513 | * Ignore STAB symbols | |
514 | * Including .stabs emitted by g++ | |
515 | */ | |
516 | if ((sp->sy_type & N_STAB) != 0 || sp->sy_nlist.n_type==22) | |
517 | break; | |
518 | /* | |
519 | * Error | |
520 | */ | |
521 | if(sp->sy_nlist.n_type !=22) | |
522 | printf(" ERROR, unknown type (%d)\n", | |
523 | sp->sy_nlist.n_type); | |
524 | break; | |
525 | } | |
526 | } | |
527 | /* | |
528 | * Define the Data Psect | |
529 | */ | |
530 | if ((data_siz > 0) && (Local_Initialized_Data_Size > 0)) { | |
531 | /* | |
532 | * Do it | |
533 | */ | |
534 | Data_Psect = Psect_Number++; | |
535 | VMS_Psect_Spec("$data", | |
536 | Local_Initialized_Data_Size, | |
537 | "DATA"); | |
538 | /* | |
539 | * Scan the VMS symbols and fill in the data psect | |
540 | */ | |
541 | for (vsp = VMS_Symbols; vsp; vsp = vsp->Next) { | |
542 | /* | |
543 | * Only look for undefined psects | |
544 | */ | |
545 | if (vsp->Psect_Index < 0) { | |
546 | /* | |
547 | * And only initialized data | |
548 | */ | |
549 | if (vsp->Symbol->sy_nlist.n_type == N_DATA) | |
550 | vsp->Psect_Index = Data_Psect; | |
551 | } | |
552 | } | |
553 | } | |
554 | \f | |
555 | /******* Text Information and Relocation Records *******/ | |
556 | /* | |
557 | * Write the text segment data | |
558 | */ | |
559 | if (text_siz > 0) { | |
560 | /* | |
561 | * Scan the text fragments | |
562 | */ | |
563 | for(fragP = text_frag_root; fragP; fragP = fragP->fr_next) { | |
564 | /* | |
565 | * Stop if we get to the data fragments | |
566 | */ | |
567 | if (fragP == data_frag_root) break; | |
568 | /* | |
569 | * Ignore fragments with no data | |
570 | */ | |
571 | if ((fragP->fr_fix == 0) && (fragP->fr_var == 0)) | |
572 | continue; | |
573 | /* | |
574 | * Go the the appropriate offset in the | |
575 | * Text Psect. | |
576 | */ | |
577 | VMS_Set_Psect(Text_Psect,fragP->fr_address,OBJ$C_TIR); | |
578 | /* | |
579 | * Store the "fixed" part | |
580 | */ | |
581 | if (fragP->fr_fix) | |
582 | VMS_Store_Immediate_Data(fragP->fr_literal, | |
583 | fragP->fr_fix, | |
584 | OBJ$C_TIR); | |
585 | /* | |
586 | * Store the "variable" part | |
587 | */ | |
588 | if (fragP->fr_var && fragP->fr_offset) | |
589 | VMS_Store_Repeated_Data(fragP->fr_offset, | |
590 | fragP->fr_literal+ | |
591 | fragP->fr_fix, | |
592 | fragP->fr_var, | |
593 | OBJ$C_TIR); | |
594 | } | |
595 | /* | |
596 | * Now we go through the text segment fixups and | |
597 | * generate TIR records to fix up addresses within | |
598 | * the Text Psect | |
599 | */ | |
600 | for(fixP = text_fix_root; fixP; fixP = fixP->fx_next) { | |
601 | /* | |
602 | * We DO handle the case of "Symbol - Symbol" as | |
603 | * long as it is in the same segment. | |
604 | */ | |
605 | if (fixP->fx_subsy && fixP->fx_addsy) { | |
606 | int i; | |
607 | ||
608 | /* | |
609 | * They need to be in the same segment | |
610 | */ | |
611 | if (fixP->fx_subsy->sy_type != | |
612 | fixP->fx_addsy->sy_type) | |
613 | error("Fixup data addsy and subsy didn't have the same type"); | |
614 | /* | |
615 | * And they need to be in one that we | |
616 | * can check the psect on | |
617 | */ | |
618 | if (((fixP->fx_addsy->sy_type & ~N_EXT) != N_DATA) && | |
619 | ((fixP->fx_addsy->sy_type & ~N_EXT) != N_TEXT)) | |
620 | error("Fixup data addsy and subsy didn't have an appropriate type"); | |
621 | /* | |
622 | * This had better not be PC relative! | |
623 | */ | |
624 | if (fixP->fx_pcrel) | |
625 | error("Fixup data was erroneously \"pcrel\""); | |
626 | /* | |
627 | * Subtract their values to get the | |
628 | * difference. | |
629 | */ | |
630 | i = fixP->fx_addsy->sy_value - | |
631 | fixP->fx_subsy->sy_value; | |
632 | /* | |
633 | * Now generate the fixup object records | |
634 | * Set the psect and store the data | |
635 | */ | |
636 | VMS_Set_Psect(Text_Psect, | |
637 | fixP->fx_where + | |
638 | fixP->fx_frag->fr_address, | |
639 | OBJ$C_TIR); | |
640 | VMS_Store_Immediate_Data(&i, | |
641 | fixP->fx_size, | |
642 | OBJ$C_TIR); | |
643 | /* | |
644 | * Done | |
645 | */ | |
646 | continue; | |
647 | } | |
648 | /* | |
649 | * Size will HAVE to be "long" | |
650 | */ | |
651 | if (fixP->fx_size != sizeof(long)) | |
652 | error("Fixup datum was not a longword"); | |
653 | /* | |
654 | * Symbol must be "added" (if it is ever | |
655 | * subtracted we can | |
656 | * fix this assumption) | |
657 | */ | |
658 | if (fixP->fx_addsy == 0) | |
659 | error("Fixup datum was not \"fixP->fx_addsy\""); | |
660 | /* | |
661 | * Store the symbol value in a PIC fashion | |
662 | */ | |
663 | VMS_Store_PIC_Symbol_Reference(fixP->fx_addsy, | |
664 | fixP->fx_offset, | |
665 | fixP->fx_pcrel, | |
666 | Text_Psect, | |
667 | fixP->fx_where + | |
668 | fixP->fx_frag->fr_address, | |
669 | OBJ$C_TIR); | |
670 | /* | |
671 | * Check for indirect address reference, | |
672 | * which has to be fixed up (as the linker | |
673 | * will screw it up with TIR$C_STO_PICR). | |
674 | */ | |
675 | if (fixP->fx_pcrel) | |
676 | VMS_Fix_Indirect_Reference(Text_Psect, | |
677 | fixP->fx_where + | |
678 | fixP->fx_frag->fr_address, | |
679 | fixP->fx_frag, | |
680 | text_frag_root); | |
681 | } | |
682 | } | |
683 | /* | |
684 | * Store the Data segment: | |
685 | * | |
686 | * Since this is REALLY hard to do any other way, | |
687 | * we actually manufacture the data segment and | |
688 | * the store the appropriate values out of it. | |
689 | */ | |
690 | if (data_siz > 0) { | |
691 | char *Data_Segment; | |
692 | ||
693 | /* | |
694 | * Allocate the data segment | |
695 | */ | |
696 | Data_Segment = (char *)xmalloc(data_siz); | |
697 | /* | |
698 | * Run through the data fragments, filling in the segment | |
699 | */ | |
700 | for(fragP = data_frag_root; fragP; fragP = fragP->fr_next) { | |
701 | register long int count; | |
702 | register char * fill_literal; | |
703 | register long int fill_size; | |
704 | int i; | |
705 | ||
706 | i = fragP->fr_address - text_siz; | |
707 | if (fragP->fr_fix) | |
708 | bcopy(fragP->fr_literal, | |
709 | Data_Segment + i, | |
710 | fragP->fr_fix); | |
711 | i += fragP->fr_fix; | |
712 | ||
713 | fill_literal= fragP -> fr_literal + fragP -> fr_fix; | |
714 | fill_size = fragP -> fr_var; | |
715 | for (count = fragP -> fr_offset; count; count --) { | |
716 | if (fill_size) | |
717 | bcopy(fill_literal, | |
718 | Data_Segment + i, | |
719 | fill_size); | |
720 | i += fill_size; | |
721 | } | |
722 | } | |
723 | /* | |
724 | * Now we can run through all the data symbols | |
725 | * and store the data | |
726 | */ | |
727 | for(vsp = VMS_Symbols; vsp; vsp = vsp->Next) { | |
728 | /* | |
729 | * Ignore anything other than data symbols | |
730 | */ | |
731 | if ((vsp->Symbol->sy_nlist.n_type & ~N_EXT) != N_DATA) | |
732 | continue; | |
733 | /* | |
734 | * Set the Psect + Offset | |
735 | */ | |
736 | VMS_Set_Psect(vsp->Psect_Index, | |
737 | vsp->Psect_Offset, | |
738 | OBJ$C_TIR); | |
739 | /* | |
740 | * Store the data | |
741 | */ | |
742 | VMS_Store_Immediate_Data(Data_Segment + | |
743 | vsp->Symbol->sy_nlist.n_value - | |
744 | text_siz, | |
745 | vsp->Size, | |
746 | OBJ$C_TIR); | |
747 | } | |
748 | /* | |
749 | * Now we go through the data segment fixups and | |
750 | * generate TIR records to fix up addresses within | |
751 | * the Data Psects | |
752 | */ | |
753 | for(fixP = data_fix_root; fixP; fixP = fixP->fx_next) { | |
754 | /* | |
755 | * Find the symbol for the containing datum | |
756 | */ | |
757 | for(vsp = VMS_Symbols; vsp; vsp = vsp->Next) { | |
758 | /* | |
759 | * Only bother with Data symbols | |
760 | */ | |
761 | sp = vsp->Symbol; | |
762 | if ((sp->sy_nlist.n_type & ~N_EXT) != N_DATA) | |
763 | continue; | |
764 | /* | |
765 | * Ignore symbol if After fixup | |
766 | */ | |
767 | if (sp->sy_nlist.n_value > | |
768 | (fixP->fx_where + | |
769 | fixP->fx_frag->fr_address)) | |
770 | continue; | |
771 | /* | |
772 | * See if the datum is here | |
773 | */ | |
774 | if ((sp->sy_nlist.n_value + vsp->Size) <= | |
775 | (fixP->fx_where + | |
776 | fixP->fx_frag->fr_address)) | |
777 | continue; | |
778 | /* | |
779 | * We DO handle the case of "Symbol - Symbol" as | |
780 | * long as it is in the same segment. | |
781 | */ | |
782 | if (fixP->fx_subsy && fixP->fx_addsy) { | |
783 | int i; | |
784 | ||
785 | /* | |
786 | * They need to be in the same segment | |
787 | */ | |
788 | if (fixP->fx_subsy->sy_type != | |
789 | fixP->fx_addsy->sy_type) | |
790 | error("Fixup data addsy and subsy didn't have the same type"); | |
791 | /* | |
792 | * And they need to be in one that we | |
793 | * can check the psect on | |
794 | */ | |
795 | if (((fixP->fx_addsy->sy_type & ~N_EXT) != N_DATA) && | |
796 | ((fixP->fx_addsy->sy_type & ~N_EXT) != N_TEXT)) | |
797 | error("Fixup data addsy and subsy didn't have an appropriate type"); | |
798 | /* | |
799 | * This had better not be PC relative! | |
800 | */ | |
801 | if (fixP->fx_pcrel) | |
802 | error("Fixup data was erroneously \"pcrel\""); | |
803 | /* | |
804 | * Subtract their values to get the | |
805 | * difference. | |
806 | */ | |
807 | i = fixP->fx_addsy->sy_value - | |
808 | fixP->fx_subsy->sy_value; | |
809 | /* | |
810 | * Now generate the fixup object records | |
811 | * Set the psect and store the data | |
812 | */ | |
813 | VMS_Set_Psect(vsp->Psect_Index, | |
814 | fixP->fx_frag->fr_address + | |
815 | fixP->fx_where - | |
816 | vsp->Symbol->sy_value + | |
817 | vsp->Psect_Offset, | |
818 | OBJ$C_TIR); | |
819 | VMS_Store_Immediate_Data(&i, | |
820 | fixP->fx_size, | |
821 | OBJ$C_TIR); | |
822 | /* | |
823 | * Done | |
824 | */ | |
825 | break; | |
826 | } | |
827 | /* | |
828 | * Size will HAVE to be "long" | |
829 | */ | |
830 | if (fixP->fx_size != sizeof(long)) | |
831 | error("Fixup datum was not a longword"); | |
832 | /* | |
833 | * Symbol must be "added" (if it is ever | |
834 | * subtracted we can | |
835 | * fix this assumption) | |
836 | */ | |
837 | if (fixP->fx_addsy == 0) | |
838 | error("Fixup datum was not \"fixP->fx_addsy\""); | |
839 | /* | |
840 | * Store the symbol value in a PIC fashion | |
841 | */ | |
842 | VMS_Store_PIC_Symbol_Reference( | |
843 | fixP->fx_addsy, | |
844 | fixP->fx_offset, | |
845 | fixP->fx_pcrel, | |
846 | vsp->Psect_Index, | |
847 | fixP->fx_frag->fr_address + | |
848 | fixP->fx_where - | |
849 | vsp->Symbol->sy_value + | |
850 | vsp->Psect_Offset, | |
851 | OBJ$C_TIR); | |
852 | /* | |
853 | * Done | |
854 | */ | |
855 | break; | |
856 | } | |
857 | ||
858 | } | |
859 | } | |
860 | \f | |
861 | /* | |
862 | * Write the Traceback Begin Module record | |
863 | */ | |
864 | VMS_TBT_Module_Begin(); | |
865 | /* | |
866 | * Scan the symbols and write out the routines | |
867 | * (this makes the assumption that symbols are in | |
868 | * order of ascending text segment offset) | |
869 | */ | |
870 | { | |
871 | struct symbol *Current_Routine = 0; | |
872 | int Current_Line_Number = 0; | |
873 | int Current_Offset = -1; | |
874 | struct input_file * Current_File; | |
875 | ||
876 | /* Output debugging info for global variables and static variables that are not | |
877 | * specific to one routine. We also need to examine all stabs directives, to | |
878 | * find the definitions to all of the advanced data types, and this is done by | |
879 | * VMS_LSYM_Parse. This needs to be done before any definitions are output to | |
880 | * the object file, since there can be forward references in the stabs | |
881 | * directives. When through with parsing, the text of the stabs directive | |
882 | * is altered, with the definitions removed, so that later passes will see | |
883 | * directives as they would be written if the type were already defined. | |
884 | * | |
885 | * We also look for files and include files, and make a list of them. We | |
886 | * examine the source file numbers to establish the actual lines that code was | |
887 | * generated from, and then generate offsets. | |
888 | */ | |
889 | VMS_LSYM_Parse(); | |
890 | for(symbolP = symbol_rootP; symbolP; symbolP = symbolP->sy_next) { | |
891 | /* | |
892 | * Deal with STAB symbols | |
893 | */ | |
894 | if ((symbolP->sy_nlist.n_type & N_STAB) != 0) { | |
895 | /* | |
896 | * Dispatch on STAB type | |
897 | */ | |
898 | switch((unsigned char)symbolP->sy_nlist.n_type) { | |
899 | case N_SLINE: | |
900 | if(symbolP->sy_nlist.n_desc > Current_File->max_line) | |
901 | Current_File->max_line = symbolP->sy_nlist.n_desc; | |
902 | if(symbolP->sy_nlist.n_desc < Current_File->min_line) | |
903 | Current_File->min_line = symbolP->sy_nlist.n_desc; | |
904 | break; | |
905 | case N_SO: | |
906 | Current_File =find_file(symbolP); | |
907 | Current_File->flag = 1; | |
908 | Current_File->min_line = 1; | |
909 | break; | |
910 | case N_SOL: | |
911 | Current_File = find_file(symbolP); | |
912 | break; | |
913 | case N_GSYM: | |
914 | VMS_GSYM_Parse(symbolP,Text_Psect); | |
915 | break; | |
916 | case N_LCSYM: | |
917 | VMS_LCSYM_Parse(symbolP,Text_Psect); | |
918 | break; | |
919 | case N_FUN: /* For static constant symbols */ | |
920 | case N_STSYM: | |
921 | VMS_STSYM_Parse(symbolP,Text_Psect); | |
922 | break; | |
923 | } | |
924 | } | |
925 | } | |
926 | ||
927 | /* now we take a quick sweep through the files and assign offsets | |
928 | to each one. This will essentially be the starting line number to the | |
929 | debugger for each file. Output the info for the debugger to specify the | |
930 | files, and then tell it how many lines to use */ | |
931 | { | |
932 | int File_Number = 0; | |
933 | int Debugger_Offset = 0; | |
934 | int file_available; | |
935 | Current_File = file_root; | |
936 | for(Current_File = file_root; Current_File; Current_File = Current_File->next){ | |
937 | if(Current_File == (struct input_file*) NULL) break; | |
938 | if(Current_File->max_line == 0) continue; | |
939 | if((strncmp(Current_File->name,"GNU_GXX_INCLUDE:",16) == 0) && | |
940 | !flagseen['D']) continue; | |
941 | if((strncmp(Current_File->name,"GNU_CC_INCLUDE:",15) == 0) && | |
942 | !flagseen['D']) continue; | |
943 | /* show a few extra lines at the start of the region selected */ | |
944 | if(Current_File->min_line > 2) Current_File->min_line -= 2; | |
945 | Current_File->offset = Debugger_Offset - Current_File->min_line + 1; | |
946 | Debugger_Offset += Current_File->max_line - Current_File->min_line + 1; | |
947 | if(Current_File->same_file_fpnt != (struct input_file *) NULL) | |
948 | Current_File->file_number =Current_File->same_file_fpnt->file_number; | |
949 | else { | |
950 | Current_File->file_number = ++File_Number; | |
951 | file_available = VMS_TBT_Source_File(Current_File->name, | |
952 | Current_File->file_number); | |
953 | if(!file_available) {Current_File->file_number = 0; | |
954 | File_Number--; | |
955 | continue;}; | |
956 | }; | |
957 | VMS_TBT_Source_Lines(Current_File->file_number, | |
958 | Current_File->min_line, | |
959 | Current_File->max_line-Current_File->min_line+1); | |
960 | }; /* for */ | |
961 | }; /* scope */ | |
962 | Current_File = (struct input_file*) NULL; | |
963 | ||
964 | for(symbolP = symbol_rootP; symbolP; symbolP = symbolP->sy_next) { | |
965 | /* | |
966 | * Deal with text symbols | |
967 | */ | |
968 | if ((symbolP->sy_nlist.n_type & ~N_EXT) == N_TEXT) { | |
969 | /* | |
970 | * Ignore symbols starting with "L", | |
971 | * as they are local symbols | |
972 | */ | |
973 | if (symbolP->sy_nlist.n_un.n_name[0] == 'L') continue; | |
974 | /* | |
975 | * If there is a routine start defined, | |
976 | * terminate it. | |
977 | */ | |
978 | if (Current_Routine) { | |
979 | /* | |
980 | * End the routine | |
981 | */ | |
982 | VMS_TBT_Routine_End(text_siz,Current_Routine); | |
983 | } | |
984 | /* | |
985 | * Store the routine begin traceback info | |
986 | */ | |
987 | if(Text_Psect != -1) { | |
988 | VMS_TBT_Routine_Begin(symbolP,Text_Psect); | |
989 | Current_Routine = symbolP; | |
990 | } | |
991 | /* Output local symbols, i.e. all symbols that are associated with a specific | |
992 | * routine. We output them now so the debugger recognizes them as local to | |
993 | * this routine. | |
994 | */ | |
995 | { symbolS * symbolP1; | |
996 | char* pnt; | |
997 | char* pnt1; | |
998 | for(symbolP1 = Current_Routine; symbolP1; symbolP1 = symbolP1->sy_next) { | |
999 | if ((symbolP1->sy_nlist.n_type & N_STAB) == 0) continue; | |
1000 | if (symbolP1->sy_nlist.n_type != N_FUN) continue; | |
1001 | pnt=symbolP->sy_nlist.n_un.n_name; | |
1002 | pnt1=symbolP1->sy_nlist.n_un.n_name; | |
1003 | if(*pnt++ != '_') continue; | |
1004 | while(*pnt++ == *pnt1++) {}; | |
1005 | if((*(--pnt) == '\0') && (*(--pnt1) == ':')) break; | |
1006 | }; | |
1007 | if(symbolP1 != (symbolS *) NULL) | |
1008 | VMS_DBG_Define_Routine(symbolP1,Current_Routine,Text_Psect); | |
1009 | } /* local symbol block */ | |
1010 | /* | |
1011 | * Done | |
1012 | */ | |
1013 | continue; | |
1014 | } | |
1015 | /* | |
1016 | * Deal with STAB symbols | |
1017 | */ | |
1018 | if ((symbolP->sy_nlist.n_type & N_STAB) != 0) { | |
1019 | /* | |
1020 | * Dispatch on STAB type | |
1021 | */ | |
1022 | switch((unsigned char)symbolP->sy_nlist.n_type) { | |
1023 | /* | |
1024 | * Line number | |
1025 | */ | |
1026 | case N_SLINE: | |
1027 | /* Offset the line into the correct portion | |
1028 | * of the file */ | |
1029 | if(Current_File->file_number == 0) break; | |
1030 | /* Sometimes the same offset gets several source | |
1031 | * lines assigned to it. | |
1032 | * We should be selective about which lines | |
1033 | * we allow, we should prefer lines that are | |
1034 | * in the main source file when debugging | |
1035 | * inline functions. */ | |
1036 | if((Current_File->file_number != 1) && | |
1037 | symbolP->sy_nlist.n_value == | |
1038 | Current_Offset) break; | |
1039 | /* calculate actual debugger source line */ | |
1040 | symbolP->sy_nlist.n_desc | |
1041 | += Current_File->offset; | |
1042 | /* | |
1043 | * If this is the 1st N_SLINE, setup | |
1044 | * PC/Line correlation. Otherwise | |
1045 | * do the delta PC/Line. If the offset | |
1046 | * for the line number is not +ve we need | |
1047 | * to do another PC/Line correlation | |
1048 | * setup | |
1049 | */ | |
1050 | if (Current_Offset == -1) { | |
1051 | VMS_TBT_Line_PC_Correlation( | |
1052 | symbolP->sy_nlist.n_desc, | |
1053 | symbolP->sy_nlist.n_value, | |
1054 | Text_Psect, | |
1055 | 0); | |
1056 | } else { | |
1057 | if ((symbolP->sy_nlist.n_desc - | |
1058 | Current_Line_Number) <= 0) { | |
1059 | /* | |
1060 | * Line delta is not +ve, we | |
1061 | * need to close the line and | |
1062 | * start a new PC/Line | |
1063 | * correlation. | |
1064 | */ | |
1065 | VMS_TBT_Line_PC_Correlation(0, | |
1066 | symbolP->sy_nlist.n_value - | |
1067 | Current_Offset, | |
1068 | 0, | |
1069 | -1); | |
1070 | VMS_TBT_Line_PC_Correlation( | |
1071 | symbolP->sy_nlist.n_desc, | |
1072 | symbolP->sy_nlist.n_value, | |
1073 | Text_Psect, | |
1074 | 0); | |
1075 | } else { | |
1076 | /* | |
1077 | * Line delta is +ve, all is well | |
1078 | */ | |
1079 | VMS_TBT_Line_PC_Correlation( | |
1080 | symbolP->sy_nlist.n_desc - | |
1081 | Current_Line_Number, | |
1082 | symbolP->sy_nlist.n_value - | |
1083 | Current_Offset, | |
1084 | 0, | |
1085 | 1); | |
1086 | } | |
1087 | } | |
1088 | /* | |
1089 | * Update the current line/PC | |
1090 | */ | |
1091 | Current_Line_Number = symbolP->sy_nlist.n_desc; | |
1092 | Current_Offset = symbolP->sy_nlist.n_value; | |
1093 | /* | |
1094 | * Done | |
1095 | */ | |
1096 | break; | |
1097 | /* | |
1098 | * Source file | |
1099 | */ | |
1100 | case N_SO: | |
1101 | /* | |
1102 | * Remember that we had a source file | |
1103 | * and emit the source file debugger | |
1104 | * record | |
1105 | */ | |
1106 | Current_File = | |
1107 | find_file(symbolP); | |
1108 | break; | |
1109 | /* We need to make sure that we are really in the actual source file when | |
1110 | * we compute the maximum line number. Otherwise the debugger gets really | |
1111 | * confused */ | |
1112 | case N_SOL: | |
1113 | Current_File = | |
1114 | find_file(symbolP); | |
1115 | break; | |
1116 | } | |
1117 | } | |
1118 | } | |
1119 | /* | |
1120 | * If there is a routine start defined, | |
1121 | * terminate it (and the line numbers) | |
1122 | */ | |
1123 | if (Current_Routine) { | |
1124 | /* | |
1125 | * Terminate the line numbers | |
1126 | */ | |
1127 | VMS_TBT_Line_PC_Correlation(0, | |
1128 | text_siz - Current_Routine->sy_nlist.n_value, | |
1129 | 0, | |
1130 | -1); | |
1131 | /* | |
1132 | * Terminate the routine | |
1133 | */ | |
1134 | VMS_TBT_Routine_End(text_siz,Current_Routine); | |
1135 | } | |
1136 | } | |
1137 | /* | |
1138 | * Write the Traceback End Module TBT record | |
1139 | */ | |
1140 | VMS_TBT_Module_End(); | |
1141 | \f | |
1142 | /* | |
1143 | * Write the End Of Module record | |
1144 | */ | |
1145 | if (Entry_Point_Symbol == 0) | |
1146 | Write_VMS_EOM_Record(-1,0); | |
1147 | else | |
1148 | Write_VMS_EOM_Record(Text_Psect, | |
1149 | Entry_Point_Symbol->sy_nlist.n_value); | |
1150 | \f | |
1151 | /* | |
1152 | * All done, close the object file | |
1153 | */ | |
1154 | Close_VMS_Object_File(); | |
1155 | } | |
1156 | ||
1157 | \f | |
1158 | /****** VMS OBJECT FILE HACKING ROUTINES *******/ | |
1159 | ||
1160 | ||
1161 | /* | |
1162 | * Global data (Object records limited to 512 bytes by VAX-11 "C" runtime) | |
1163 | */ | |
1164 | static int VMS_Object_File_FD; /* File Descriptor for object file */ | |
1165 | static char Object_Record_Buffer[512]; /* Buffer for object file records */ | |
1166 | static int Object_Record_Offset; /* Offset to end of data */ | |
1167 | static int Current_Object_Record_Type; /* Type of record in above */ | |
1168 | ||
1169 | /* | |
1170 | * Macros for placing data into the object record buffer | |
1171 | */ | |
1172 | #define PUT_LONG(val) *((long *)(Object_Record_Buffer + \ | |
1173 | Object_Record_Offset)) = val; \ | |
1174 | Object_Record_Offset += sizeof(long) | |
1175 | ||
1176 | #define PUT_SHORT(val) *((short *)(Object_Record_Buffer + \ | |
1177 | Object_Record_Offset)) = val; \ | |
1178 | Object_Record_Offset += sizeof(short) | |
1179 | ||
1180 | #define PUT_CHAR(val) Object_Record_Buffer[Object_Record_Offset++] = val | |
1181 | ||
1182 | #define PUT_COUNTED_STRING(cp) {\ | |
1183 | register char *p = cp; \ | |
1184 | PUT_CHAR(strlen(p)); \ | |
1185 | while(*p) PUT_CHAR(*p++);} | |
1186 | ||
1187 | /* | |
1188 | * Macro for determining if a Name has psect attributes attached | |
1189 | * to it. | |
1190 | */ | |
1191 | #define PSECT_ATTRIBUTES_STRING "$$PsectAttributes_" | |
1192 | #define PSECT_ATTRIBUTES_STRING_LENGTH 18 | |
1193 | ||
1194 | #define HAS_PSECT_ATTRIBUTES(Name) \ | |
1195 | (strncmp((Name[0] == '_' ? Name + 1 : Name), \ | |
1196 | PSECT_ATTRIBUTES_STRING, \ | |
1197 | PSECT_ATTRIBUTES_STRING_LENGTH) == 0) | |
1198 | ||
1199 | \f | |
1200 | /* | |
1201 | * Create the VMS object file | |
1202 | */ | |
1203 | Create_VMS_Object_File() | |
1204 | { | |
1205 | #ifdef eunice | |
1206 | VMS_Object_File_FD = creat(out_file_name, 0777, "var"); | |
1207 | #else eunice | |
1208 | VMS_Object_File_FD = creat(out_file_name, 0, "rfm=var"); | |
1209 | #endif eunice | |
1210 | /* | |
1211 | * Deal with errors | |
1212 | */ | |
1213 | if (VMS_Object_File_FD < 0) { | |
1214 | char Error_Line[256]; | |
1215 | ||
1216 | sprintf(Error_Line,"Couldn't create VMS object file \"%s\"", | |
1217 | out_file_name); | |
1218 | error(Error_Line); | |
1219 | } | |
1220 | /* | |
1221 | * Initialize object file hacking variables | |
1222 | */ | |
1223 | Object_Record_Offset = 0; | |
1224 | Current_Object_Record_Type = -1; | |
1225 | } | |
1226 | ||
1227 | \f | |
1228 | /* | |
1229 | * Declare a particular type of object file record | |
1230 | */ | |
1231 | Set_VMS_Object_File_Record(Type) | |
1232 | int Type; | |
1233 | { | |
1234 | /* | |
1235 | * If the type matches, we are done | |
1236 | */ | |
1237 | if (Type == Current_Object_Record_Type) return; | |
1238 | /* | |
1239 | * Otherwise: flush the buffer | |
1240 | */ | |
1241 | Flush_VMS_Object_Record_Buffer(); | |
1242 | /* | |
1243 | * Set the new type | |
1244 | */ | |
1245 | Current_Object_Record_Type = Type; | |
1246 | } | |
1247 | ||
1248 | \f | |
1249 | /* | |
1250 | * Flush the object record buffer to the object file | |
1251 | */ | |
1252 | Flush_VMS_Object_Record_Buffer() | |
1253 | { | |
1254 | int i; | |
1255 | ||
1256 | /* | |
1257 | * If the buffer is empty, we are done | |
1258 | */ | |
1259 | if (Object_Record_Offset == 0) return; | |
1260 | /* | |
1261 | * Write the data to the file | |
1262 | */ | |
1263 | i= write(VMS_Object_File_FD, | |
1264 | Object_Record_Buffer, | |
1265 | Object_Record_Offset); | |
1266 | if (i != Object_Record_Offset) | |
1267 | error("I/O error writing VMS object file"); | |
1268 | /* | |
1269 | * The buffer is now empty | |
1270 | */ | |
1271 | Object_Record_Offset = 0; | |
1272 | } | |
1273 | ||
1274 | \f | |
1275 | /* | |
1276 | * Close the VMS Object file | |
1277 | */ | |
1278 | Close_VMS_Object_File() | |
1279 | { | |
1280 | close(VMS_Object_File_FD); | |
1281 | } | |
1282 | ||
1283 | \f | |
1284 | /* | |
1285 | * Write the MHD (Module Header) records | |
1286 | */ | |
1287 | Write_VMS_MHD_Records() | |
1288 | { | |
1289 | register char *cp,*cp1; | |
1290 | register int i; | |
1291 | struct {int Size; char *Ptr;} Descriptor; | |
1292 | char Module_Name[256]; | |
1293 | char Now[17]; | |
1294 | ||
1295 | /* | |
1296 | * We are writing a module header record | |
1297 | */ | |
1298 | Set_VMS_Object_File_Record(OBJ$C_HDR); | |
1299 | /* | |
1300 | * *************************** | |
1301 | * *MAIN MODULE HEADER RECORD* | |
1302 | * *************************** | |
1303 | * | |
1304 | * Store record type and header type | |
1305 | */ | |
1306 | PUT_CHAR(OBJ$C_HDR); | |
1307 | PUT_CHAR(MHD$C_MHD); | |
1308 | /* | |
1309 | * Structure level is 0 | |
1310 | */ | |
1311 | PUT_CHAR(OBJ$C_STRLVL); | |
1312 | /* | |
1313 | * Maximum record size is size of the object record buffer | |
1314 | */ | |
1315 | PUT_SHORT(sizeof(Object_Record_Buffer)); | |
1316 | /* | |
1317 | * Get module name (the FILENAME part of the object file) | |
1318 | */ | |
1319 | cp = out_file_name; | |
1320 | cp1 = Module_Name; | |
1321 | while(*cp) { | |
1322 | if ((*cp == ']') || (*cp == '>') || | |
1323 | (*cp == ':') || (*cp == '/')) { | |
1324 | cp1 = Module_Name; | |
1325 | cp++; | |
1326 | continue; | |
1327 | } | |
1328 | *cp1++ = islower(*cp) ? toupper(*cp++) : *cp++; | |
1329 | } | |
1330 | *cp1 = 0; | |
1331 | /* | |
1332 | * Limit it to 31 characters and store in the object record | |
1333 | */ | |
1334 | while(--cp1 >= Module_Name) | |
1335 | if (*cp1 == '.') *cp1 = 0; | |
1336 | if (strlen(Module_Name) > 31) { | |
1337 | if(flagseen['+']) | |
1338 | printf("%s: Module name truncated: %s\n", myname, Module_Name); | |
1339 | Module_Name[31] = 0; | |
1340 | } | |
1341 | PUT_COUNTED_STRING(Module_Name); | |
1342 | /* | |
1343 | * Module Version is "V1.0" | |
1344 | */ | |
1345 | PUT_COUNTED_STRING("V1.0"); | |
1346 | /* | |
1347 | * Creation time is "now" (17 chars of time string) | |
1348 | */ | |
1349 | Descriptor.Size = 17; | |
1350 | Descriptor.Ptr = Now; | |
1351 | sys$asctim(0,&Descriptor,0,0); | |
1352 | for(i = 0; i < 17; i++) PUT_CHAR(Now[i]); | |
1353 | /* | |
1354 | * Patch time is "never" (17 zeros) | |
1355 | */ | |
1356 | for(i = 0; i < 17; i++) PUT_CHAR(0); | |
1357 | /* | |
1358 | * Flush the record | |
1359 | */ | |
1360 | Flush_VMS_Object_Record_Buffer(); | |
1361 | /* | |
1362 | * ************************* | |
1363 | * *LANGUAGE PROCESSOR NAME* | |
1364 | * ************************* | |
1365 | * | |
1366 | * Store record type and header type | |
1367 | */ | |
1368 | PUT_CHAR(OBJ$C_HDR); | |
1369 | PUT_CHAR(MHD$C_LNM); | |
1370 | /* | |
1371 | * Store language processor name and version | |
1372 | * (not a counted string!) | |
1373 | */ | |
1374 | cp = compiler_version_string; | |
1375 | if (cp == 0) { | |
1376 | cp ="GNU AS V"; | |
1377 | while(*cp) PUT_CHAR(*cp++); | |
1378 | cp = strchr(&version_string,'.'); | |
1379 | while(*cp != ' ') cp--; cp++; | |
1380 | }; | |
1381 | while(*cp >= 32) PUT_CHAR(*cp++); | |
1382 | /* | |
1383 | * Flush the record | |
1384 | */ | |
1385 | Flush_VMS_Object_Record_Buffer(); | |
1386 | } | |
1387 | ||
1388 | \f | |
1389 | /* | |
1390 | * Write the EOM (End Of Module) record | |
1391 | */ | |
1392 | Write_VMS_EOM_Record(Psect, Offset) | |
1393 | int Psect; | |
1394 | int Offset; | |
1395 | { | |
1396 | /* | |
1397 | * We are writing an end-of-module record | |
1398 | */ | |
1399 | Set_VMS_Object_File_Record(OBJ$C_EOM); | |
1400 | /* | |
1401 | * Store record Type | |
1402 | */ | |
1403 | PUT_CHAR(OBJ$C_EOM); | |
1404 | /* | |
1405 | * Store the error severity (0) | |
1406 | */ | |
1407 | PUT_CHAR(0); | |
1408 | /* | |
1409 | * Store the entry point, if it exists | |
1410 | */ | |
1411 | if (Psect >= 0) { | |
1412 | /* | |
1413 | * Store the entry point Psect | |
1414 | */ | |
1415 | PUT_CHAR(Psect); | |
1416 | /* | |
1417 | * Store the entry point Psect offset | |
1418 | */ | |
1419 | PUT_LONG(Offset); | |
1420 | } | |
1421 | /* | |
1422 | * Flush the record | |
1423 | */ | |
1424 | Flush_VMS_Object_Record_Buffer(); | |
1425 | } | |
1426 | ||
1427 | \f | |
1428 | /* this hash routine borrowed from GNU-EMACS, and strengthened slightly ERY*/ | |
1429 | ||
1430 | static int | |
1431 | hash_string (ptr) | |
1432 | unsigned char *ptr; | |
1433 | { | |
1434 | register unsigned char *p = ptr; | |
1435 | register unsigned char *end = p + strlen(ptr); | |
1436 | register unsigned char c; | |
1437 | register int hash = 0; | |
1438 | ||
1439 | while (p != end) | |
1440 | { | |
1441 | c = *p++; | |
1442 | hash = ((hash<<3) + (hash<<15) + (hash>>28) + c); | |
1443 | } | |
1444 | return hash; | |
1445 | } | |
1446 | ||
1447 | /* | |
1448 | * Generate a Case-Hacked VMS symbol name (limited to 31 chars) | |
1449 | */ | |
1450 | VMS_Case_Hack_Symbol(In,Out) | |
1451 | register char *In; | |
1452 | register char *Out; | |
1453 | { | |
1454 | long int init = 0; | |
1455 | long int result; | |
1456 | char *pnt; | |
1457 | char *new_name; | |
1458 | char *old_name; | |
1459 | register int i; | |
1460 | int destructor = 0; /*hack to allow for case sens in a destructor*/ | |
1461 | int truncate = 0; | |
1462 | int Case_Hack_Bits = 0; | |
1463 | int Saw_Dollar = 0; | |
1464 | static char Hex_Table[16] = | |
1465 | {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; | |
1466 | ||
1467 | /* | |
1468 | * Kill any leading "_" | |
1469 | */ | |
1470 | if (*In == '_') In++; | |
1471 | ||
1472 | new_name=Out; /* save this for later*/ | |
1473 | ||
1474 | if((In[0]=='_')&&(In[1]=='$')&&(In[2]=='_')) | |
1475 | destructor=1; | |
1476 | ||
1477 | /* We may need to truncate the symbol, save the hash for later*/ | |
1478 | if(strlen(In)>23) result = hash_string(In); | |
1479 | /* | |
1480 | * Is there a Psect Attribute to skip?? | |
1481 | */ | |
1482 | if (HAS_PSECT_ATTRIBUTES(In)) { | |
1483 | /* | |
1484 | * Yes: Skip it | |
1485 | */ | |
1486 | In += PSECT_ATTRIBUTES_STRING_LENGTH; | |
1487 | while(*In) { | |
1488 | if ((In[0] == '$') && (In[1] == '$')) { | |
1489 | In += 2; | |
1490 | break; | |
1491 | } | |
1492 | In++; | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | old_name=In; | |
1497 | /* if(strlen(In) > 31 && flagseen['+']) | |
1498 | printf("%s: Symbol name truncated: %s\n",myname,In);*/ | |
1499 | /* | |
1500 | * Do the case conversion | |
1501 | */ | |
1502 | i = 23; /* Maximum of 23 chars */ | |
1503 | while(*In && (--i >= 0)) { | |
1504 | Case_Hack_Bits <<= 1; | |
1505 | if (*In == '$') Saw_Dollar = 1; | |
1506 | if ((destructor==1)&&(i==21)) Saw_Dollar = 0; | |
1507 | if (isupper(*In)) { | |
1508 | *Out++ = *In++; | |
1509 | Case_Hack_Bits |= 1; | |
1510 | } else { | |
1511 | *Out++ = islower(*In) ? toupper(*In++) : *In++; | |
1512 | } | |
1513 | } | |
1514 | /* | |
1515 | * If we saw a dollar sign, we don't do case hacking | |
1516 | */ | |
1517 | if(flagseen['h'] || Saw_Dollar) | |
1518 | Case_Hack_Bits = 0; | |
1519 | ||
1520 | /* | |
1521 | * If we have more than 23 characters and everything is lowercase | |
1522 | * we can insert the full 31 characters | |
1523 | */ | |
1524 | if (*In) { | |
1525 | /* | |
1526 | * We have more than 23 characters | |
1527 | * If we must add the case hack, then we have truncated the str | |
1528 | */ | |
1529 | pnt=Out; | |
1530 | truncate=1; | |
1531 | if (Case_Hack_Bits == 0) { | |
1532 | /* | |
1533 | * And so far they are all lower case: | |
1534 | * Check up to 8 more characters | |
1535 | * and ensure that they are lowercase | |
1536 | */ | |
1537 | if(flagseen['h']) | |
1538 | i=8; | |
1539 | else | |
1540 | for(i = 0; (In[i] != 0) && (i < 8); i++) | |
1541 | if (isupper(In[i]) && !Saw_Dollar) | |
1542 | break; | |
1543 | if(In[i]==0) | |
1544 | truncate=0; | |
1545 | ||
1546 | if ((i >= 8) || (In[i] == 0)) { | |
1547 | /* | |
1548 | * They are: Copy up to 31 characters | |
1549 | * to the output string | |
1550 | */ | |
1551 | i = 8; | |
1552 | while((--i >= 0) && (*In)) | |
1553 | *Out++ = islower(*In) ? | |
1554 | toupper(*In++) : | |
1555 | *In++; | |
1556 | } | |
1557 | } | |
1558 | } | |
1559 | /* | |
1560 | * If there were any uppercase characters in the name we | |
1561 | * take on the case hacking string | |
1562 | */ | |
1563 | ||
1564 | /* Old behavior for regular GNU-C compiler */ | |
1565 | if (!flagseen['+']) | |
1566 | truncate=0; | |
1567 | if ((Case_Hack_Bits != 0)||(truncate==1)) { | |
1568 | if(truncate==0) { | |
1569 | *Out++ = '_'; | |
1570 | for(i = 0; i < 6; i++) { | |
1571 | *Out++ = Hex_Table[Case_Hack_Bits & 0xf]; | |
1572 | Case_Hack_Bits >>= 4; | |
1573 | } | |
1574 | *Out++ = 'X'; | |
1575 | } else { | |
1576 | Out=pnt; /*Cut back to 23 characters maximum */ | |
1577 | *Out++ = '_'; | |
1578 | for( i=0; i < 7; i++) { | |
1579 | init = result & 0x01f; | |
1580 | if (init < 10) | |
1581 | *Out++='0'+init; | |
1582 | else | |
1583 | *Out++ = 'A'+init-10; | |
1584 | result = result >> 5; | |
1585 | } | |
1586 | } | |
1587 | } /*Case Hack */ | |
1588 | /* | |
1589 | * Done | |
1590 | */ | |
1591 | *Out = 0; | |
1592 | if( truncate==1 && flagseen['+'] && flagseen['H']) | |
1593 | printf("%s: Symbol %s replaced by %s\n",myname,old_name,new_name); | |
1594 | } | |
1595 | ||
1596 | \f | |
1597 | /* | |
1598 | * Scan a symbol name for a psect attribute specification | |
1599 | */ | |
1600 | VMS_Modify_Psect_Attributes(Name, Attribute_Pointer) | |
1601 | char *Name; | |
1602 | int *Attribute_Pointer; | |
1603 | { | |
1604 | register int i; | |
1605 | register char *cp; | |
1606 | int Negate; | |
1607 | static struct { | |
1608 | char *Name; | |
1609 | int Value; | |
1610 | } Attributes[] = { | |
1611 | {"PIC", GPS$M_PIC}, | |
1612 | {"LIB", GPS$M_LIB}, | |
1613 | {"OVR", GPS$M_OVR}, | |
1614 | {"REL", GPS$M_REL}, | |
1615 | {"GBL", GPS$M_GBL}, | |
1616 | {"SHR", GPS$M_SHR}, | |
1617 | {"EXE", GPS$M_EXE}, | |
1618 | {"RD", GPS$M_RD}, | |
1619 | {"WRT", GPS$M_WRT}, | |
1620 | {"VEC", GPS$M_VEC}, | |
1621 | {0, 0}}; | |
1622 | ||
1623 | /* | |
1624 | * Kill leading "_" | |
1625 | */ | |
1626 | if (*Name == '_') Name++; | |
1627 | /* | |
1628 | * Check for a PSECT attribute list | |
1629 | */ | |
1630 | if (!HAS_PSECT_ATTRIBUTES(Name)) return; /* If not, return */ | |
1631 | /* | |
1632 | * Skip the attribute list indicator | |
1633 | */ | |
1634 | Name += PSECT_ATTRIBUTES_STRING_LENGTH; | |
1635 | /* | |
1636 | * Process the attributes ("_" separated, "$" terminated) | |
1637 | */ | |
1638 | while(*Name != '$') { | |
1639 | /* | |
1640 | * Assume not negating | |
1641 | */ | |
1642 | Negate = 0; | |
1643 | /* | |
1644 | * Check for "NO" | |
1645 | */ | |
1646 | if ((Name[0] == 'N') && (Name[1] == 'O')) { | |
1647 | /* | |
1648 | * We are negating (and skip the NO) | |
1649 | */ | |
1650 | Negate = 1; | |
1651 | Name += 2; | |
1652 | } | |
1653 | /* | |
1654 | * Find the token delimiter | |
1655 | */ | |
1656 | cp = Name; | |
1657 | while(*cp && (*cp != '_') && (*cp != '$')) cp++; | |
1658 | /* | |
1659 | * Look for the token in the attribute list | |
1660 | */ | |
1661 | for(i = 0; Attributes[i].Name; i++) { | |
1662 | /* | |
1663 | * If the strings match, set/clear the attr. | |
1664 | */ | |
1665 | if (strncmp(Name, Attributes[i].Name, cp - Name) == 0) { | |
1666 | /* | |
1667 | * Set or clear | |
1668 | */ | |
1669 | if (Negate) | |
1670 | *Attribute_Pointer &= | |
1671 | ~Attributes[i].Value; | |
1672 | else | |
1673 | *Attribute_Pointer |= | |
1674 | Attributes[i].Value; | |
1675 | /* | |
1676 | * Done | |
1677 | */ | |
1678 | break; | |
1679 | } | |
1680 | } | |
1681 | /* | |
1682 | * Now skip the attribute | |
1683 | */ | |
1684 | Name = cp; | |
1685 | if (*Name == '_') Name++; | |
1686 | } | |
1687 | /* | |
1688 | * Done | |
1689 | */ | |
1690 | return; | |
1691 | } | |
1692 | ||
1693 | \f | |
1694 | /* | |
1695 | * Define a psect | |
1696 | */ | |
1697 | VMS_Psect_Spec(Name, Size, Type) | |
1698 | char *Name; | |
1699 | int Size; | |
1700 | char *Type; | |
1701 | { | |
1702 | char Local[32]; | |
1703 | int Psect_Attributes; | |
1704 | ||
1705 | /* | |
1706 | * We are writing a GSD record | |
1707 | */ | |
1708 | Set_VMS_Object_File_Record(OBJ$C_GSD); | |
1709 | /* | |
1710 | * If the buffer is empty we must insert the GSD record type | |
1711 | */ | |
1712 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_GSD); | |
1713 | /* | |
1714 | * We are writing a PSECT definition subrecord | |
1715 | */ | |
1716 | PUT_CHAR(GSD$C_PSC); | |
1717 | /* | |
1718 | * Psects are always LONGWORD aligned | |
1719 | */ | |
1720 | PUT_CHAR(2); | |
1721 | /* | |
1722 | * Generate the appropriate PSECT flags given the PSECT type | |
1723 | */ | |
1724 | if (strcmp(Type,"COMMON") == 0) { | |
1725 | /* | |
1726 | * Common block psects are: PIC,OVR,REL,GBL,SHR,RD,WRT | |
1727 | */ | |
1728 | Psect_Attributes = (GPS$M_PIC|GPS$M_OVR|GPS$M_REL|GPS$M_GBL| | |
1729 | GPS$M_SHR|GPS$M_RD|GPS$M_WRT); | |
1730 | } else if (strcmp(Type,"CONST") == 0) { | |
1731 | /* | |
1732 | * Common block psects are: PIC,OVR,REL,GBL,SHR,RD | |
1733 | */ | |
1734 | Psect_Attributes = (GPS$M_PIC|GPS$M_OVR|GPS$M_REL|GPS$M_GBL| | |
1735 | GPS$M_SHR|GPS$M_RD); | |
1736 | } else if (strcmp(Type,"DATA") == 0) { | |
1737 | /* | |
1738 | * The Data psects are PIC,REL,RD,WRT | |
1739 | */ | |
1740 | Psect_Attributes = | |
1741 | (GPS$M_PIC|GPS$M_REL|GPS$M_RD|GPS$M_WRT); | |
1742 | } else if (strcmp(Type,"TEXT") == 0) { | |
1743 | /* | |
1744 | * The Text psects are PIC,REL,SHR,EXE,RD | |
1745 | */ | |
1746 | Psect_Attributes = | |
1747 | (GPS$M_PIC|GPS$M_REL|GPS$M_SHR| | |
1748 | GPS$M_EXE|GPS$M_RD); | |
1749 | } else { | |
1750 | /* | |
1751 | * Error: Unknown psect type | |
1752 | */ | |
1753 | error("Unknown VMS psect type"); | |
1754 | } | |
1755 | /* | |
1756 | * Modify the psect attributes according to any attribute string | |
1757 | */ | |
1758 | if (HAS_PSECT_ATTRIBUTES(Name)) | |
1759 | VMS_Modify_Psect_Attributes(Name,&Psect_Attributes); | |
1760 | /* | |
1761 | * Specify the psect attributes | |
1762 | */ | |
1763 | PUT_SHORT(Psect_Attributes); | |
1764 | /* | |
1765 | * Specify the allocation | |
1766 | */ | |
1767 | PUT_LONG(Size); | |
1768 | /* | |
1769 | * Finally, the psect name | |
1770 | */ | |
1771 | VMS_Case_Hack_Symbol(Name,Local); | |
1772 | PUT_COUNTED_STRING(Local); | |
1773 | /* | |
1774 | * Flush the buffer if it is more than 75% full | |
1775 | */ | |
1776 | if (Object_Record_Offset > | |
1777 | (sizeof(Object_Record_Buffer)*3/4)) | |
1778 | Flush_VMS_Object_Record_Buffer(); | |
1779 | } | |
1780 | ||
1781 | \f | |
1782 | /* | |
1783 | * Define a global symbol | |
1784 | */ | |
1785 | VMS_Global_Symbol_Spec(Name, Psect_Number, Psect_Offset, Defined) | |
1786 | char *Name; | |
1787 | int Psect_Number; | |
1788 | int Psect_Offset; | |
1789 | { | |
1790 | char Local[32]; | |
1791 | ||
1792 | /* | |
1793 | * We are writing a GSD record | |
1794 | */ | |
1795 | Set_VMS_Object_File_Record(OBJ$C_GSD); | |
1796 | /* | |
1797 | * If the buffer is empty we must insert the GSD record type | |
1798 | */ | |
1799 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_GSD); | |
1800 | /* | |
1801 | * We are writing a Global symbol definition subrecord | |
1802 | */ | |
1803 | if (Psect_Number <= 255) { | |
1804 | PUT_CHAR(GSD$C_SYM); | |
1805 | } else { | |
1806 | PUT_CHAR(GSD$C_SYMW); | |
1807 | } | |
1808 | /* | |
1809 | * Data type is undefined | |
1810 | */ | |
1811 | PUT_CHAR(0); | |
1812 | /* | |
1813 | * Switch on Definition/Reference | |
1814 | */ | |
1815 | if (Defined) { | |
1816 | /* | |
1817 | * Definition: | |
1818 | * Flags = "RELOCATABLE" and "DEFINED" | |
1819 | */ | |
1820 | PUT_SHORT(GSY$M_DEF|GSY$M_REL); | |
1821 | /* | |
1822 | * Psect Number | |
1823 | */ | |
1824 | if (Psect_Number <= 255) { | |
1825 | PUT_CHAR(Psect_Number); | |
1826 | } else { | |
1827 | PUT_SHORT(Psect_Number); | |
1828 | } | |
1829 | /* | |
1830 | * Offset | |
1831 | */ | |
1832 | PUT_LONG(Psect_Offset); | |
1833 | } else { | |
1834 | /* | |
1835 | * Reference: | |
1836 | * Flags = "RELOCATABLE" | |
1837 | */ | |
1838 | PUT_SHORT(GSY$M_REL); | |
1839 | } | |
1840 | /* | |
1841 | * Finally, the global symbol name | |
1842 | */ | |
1843 | VMS_Case_Hack_Symbol(Name,Local); | |
1844 | PUT_COUNTED_STRING(Local); | |
1845 | /* | |
1846 | * Flush the buffer if it is more than 75% full | |
1847 | */ | |
1848 | if (Object_Record_Offset > | |
1849 | (sizeof(Object_Record_Buffer)*3/4)) | |
1850 | Flush_VMS_Object_Record_Buffer(); | |
1851 | } | |
1852 | ||
1853 | \f | |
1854 | /* | |
1855 | * Define a procedure entry pt/mask | |
1856 | */ | |
1857 | VMS_Procedure_Entry_Pt(Name, Psect_Number, Psect_Offset, Entry_Mask) | |
1858 | char *Name; | |
1859 | int Psect_Number; | |
1860 | int Psect_Offset; | |
1861 | int Entry_Mask; | |
1862 | { | |
1863 | char Local[32]; | |
1864 | ||
1865 | /* | |
1866 | * We are writing a GSD record | |
1867 | */ | |
1868 | Set_VMS_Object_File_Record(OBJ$C_GSD); | |
1869 | /* | |
1870 | * If the buffer is empty we must insert the GSD record type | |
1871 | */ | |
1872 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_GSD); | |
1873 | /* | |
1874 | * We are writing a Procedure Entry Pt/Mask subrecord | |
1875 | */ | |
1876 | if (Psect_Number <= 255) { | |
1877 | PUT_CHAR(GSD$C_EPM); | |
1878 | } else { | |
1879 | PUT_CHAR(GSD$C_EPMW); | |
1880 | } | |
1881 | /* | |
1882 | * Data type is undefined | |
1883 | */ | |
1884 | PUT_CHAR(0); | |
1885 | /* | |
1886 | * Flags = "RELOCATABLE" and "DEFINED" | |
1887 | */ | |
1888 | PUT_SHORT(GSY$M_DEF|GSY$M_REL); | |
1889 | /* | |
1890 | * Psect Number | |
1891 | */ | |
1892 | if (Psect_Number <= 255) { | |
1893 | PUT_CHAR(Psect_Number); | |
1894 | } else { | |
1895 | PUT_SHORT(Psect_Number); | |
1896 | } | |
1897 | /* | |
1898 | * Offset | |
1899 | */ | |
1900 | PUT_LONG(Psect_Offset); | |
1901 | /* | |
1902 | * Entry mask | |
1903 | */ | |
1904 | PUT_SHORT(Entry_Mask); | |
1905 | /* | |
1906 | * Finally, the global symbol name | |
1907 | */ | |
1908 | VMS_Case_Hack_Symbol(Name,Local); | |
1909 | PUT_COUNTED_STRING(Local); | |
1910 | /* | |
1911 | * Flush the buffer if it is more than 75% full | |
1912 | */ | |
1913 | if (Object_Record_Offset > | |
1914 | (sizeof(Object_Record_Buffer)*3/4)) | |
1915 | Flush_VMS_Object_Record_Buffer(); | |
1916 | } | |
1917 | ||
1918 | \f | |
1919 | /* | |
1920 | * Set the current location counter to a particular Psect and Offset | |
1921 | */ | |
1922 | VMS_Set_Psect(Psect_Index, Offset, Record_Type) | |
1923 | int Psect_Index; | |
1924 | int Offset; | |
1925 | int Record_Type; | |
1926 | { | |
1927 | /* | |
1928 | * We are writing a "Record_Type" record | |
1929 | */ | |
1930 | Set_VMS_Object_File_Record(Record_Type); | |
1931 | /* | |
1932 | * If the buffer is empty we must insert the record type | |
1933 | */ | |
1934 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
1935 | /* | |
1936 | * Stack the Psect base + Longword Offset | |
1937 | */ | |
1938 | if (Psect_Index < 255) { | |
1939 | PUT_CHAR(TIR$C_STA_PL); | |
1940 | PUT_CHAR(Psect_Index); | |
1941 | } else { | |
1942 | PUT_CHAR(TIR$C_STA_WPL); | |
1943 | PUT_SHORT(Psect_Index); | |
1944 | } | |
1945 | PUT_LONG(Offset); | |
1946 | /* | |
1947 | * Set relocation base | |
1948 | */ | |
1949 | PUT_CHAR(TIR$C_CTL_SETRB); | |
1950 | /* | |
1951 | * Flush the buffer if it is more than 75% full | |
1952 | */ | |
1953 | if (Object_Record_Offset > | |
1954 | (sizeof(Object_Record_Buffer)*3/4)) | |
1955 | Flush_VMS_Object_Record_Buffer(); | |
1956 | } | |
1957 | ||
1958 | /* | |
1959 | * Make a data reference | |
1960 | */ | |
1961 | VMS_Set_Data(Psect_Index, Offset, Record_Type,Force) | |
1962 | int Psect_Index; | |
1963 | int Offset; | |
1964 | int Record_Type; | |
1965 | int Force; | |
1966 | { | |
1967 | /* | |
1968 | * We are writing a "Record_Type" record | |
1969 | */ | |
1970 | Set_VMS_Object_File_Record(Record_Type); | |
1971 | /* | |
1972 | * If the buffer is empty we must insert the record type | |
1973 | */ | |
1974 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
1975 | /* | |
1976 | * Stack the Psect base + Longword Offset | |
1977 | */ | |
1978 | if(Force==1){ | |
1979 | if(Psect_Index>127){ | |
1980 | PUT_CHAR(TIR$C_STA_WPL); | |
1981 | PUT_SHORT(Psect_Index); | |
1982 | PUT_LONG(Offset);} | |
1983 | else { | |
1984 | PUT_CHAR(TIR$C_STA_PL); | |
1985 | PUT_CHAR(Psect_Index); | |
1986 | PUT_LONG(Offset);} | |
1987 | } else {if(Offset>32767){ | |
1988 | PUT_CHAR(TIR$C_STA_WPL); | |
1989 | PUT_SHORT(Psect_Index); | |
1990 | PUT_LONG(Offset);} | |
1991 | else if(Offset>127){ | |
1992 | PUT_CHAR(TIR$C_STA_WPW); | |
1993 | PUT_SHORT(Psect_Index); | |
1994 | PUT_SHORT(Offset);} | |
1995 | else{ | |
1996 | PUT_CHAR(TIR$C_STA_WPB); | |
1997 | PUT_SHORT(Psect_Index); | |
1998 | PUT_CHAR(Offset);};}; | |
1999 | /* | |
2000 | * Set relocation base | |
2001 | */ | |
2002 | PUT_CHAR(TIR$C_STO_PIDR); | |
2003 | /* | |
2004 | * Flush the buffer if it is more than 75% full | |
2005 | */ | |
2006 | if (Object_Record_Offset > | |
2007 | (sizeof(Object_Record_Buffer)*3/4)) | |
2008 | Flush_VMS_Object_Record_Buffer(); | |
2009 | } | |
2010 | ||
2011 | /* | |
2012 | * Make a debugger reference to a struct, union or enum. | |
2013 | */ | |
2014 | VMS_Store_Struct(int Struct_Index) | |
2015 | { | |
2016 | /* | |
2017 | * We are writing a "OBJ$C_DBG" record | |
2018 | */ | |
2019 | Set_VMS_Object_File_Record(OBJ$C_DBG); | |
2020 | /* | |
2021 | * If the buffer is empty we must insert the record type | |
2022 | */ | |
2023 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_DBG); | |
2024 | PUT_CHAR(TIR$C_STA_UW); | |
2025 | PUT_SHORT(Struct_Index); | |
2026 | PUT_CHAR(TIR$C_CTL_STKDL); | |
2027 | PUT_CHAR(TIR$C_STO_L); | |
2028 | /* | |
2029 | * Flush the buffer if it is more than 75% full | |
2030 | */ | |
2031 | if (Object_Record_Offset > | |
2032 | (sizeof(Object_Record_Buffer)*3/4)) | |
2033 | Flush_VMS_Object_Record_Buffer(); | |
2034 | } | |
2035 | ||
2036 | /* | |
2037 | * Make a debugger reference to partially define a struct, union or enum. | |
2038 | */ | |
2039 | VMS_Def_Struct(int Struct_Index) | |
2040 | { | |
2041 | /* | |
2042 | * We are writing a "OBJ$C_DBG" record | |
2043 | */ | |
2044 | Set_VMS_Object_File_Record(OBJ$C_DBG); | |
2045 | /* | |
2046 | * If the buffer is empty we must insert the record type | |
2047 | */ | |
2048 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_DBG); | |
2049 | PUT_CHAR(TIR$C_STA_UW); | |
2050 | PUT_SHORT(Struct_Index); | |
2051 | PUT_CHAR(TIR$C_CTL_DFLOC); | |
2052 | /* | |
2053 | * Flush the buffer if it is more than 75% full | |
2054 | */ | |
2055 | if (Object_Record_Offset > | |
2056 | (sizeof(Object_Record_Buffer)*3/4)) | |
2057 | Flush_VMS_Object_Record_Buffer(); | |
2058 | } | |
2059 | ||
2060 | VMS_Set_Struct(int Struct_Index) | |
2061 | {/* see previous functions for comments */ | |
2062 | Set_VMS_Object_File_Record(OBJ$C_DBG); | |
2063 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_DBG); | |
2064 | PUT_CHAR(TIR$C_STA_UW); | |
2065 | PUT_SHORT(Struct_Index); | |
2066 | PUT_CHAR(TIR$C_CTL_STLOC); | |
2067 | if (Object_Record_Offset > | |
2068 | (sizeof(Object_Record_Buffer)*3/4)) | |
2069 | Flush_VMS_Object_Record_Buffer(); | |
2070 | } | |
2071 | \f | |
2072 | /* | |
2073 | * Store immediate data in current Psect | |
2074 | */ | |
2075 | VMS_Store_Immediate_Data(Pointer, Size, Record_Type) | |
2076 | register char *Pointer; | |
2077 | int Size; | |
2078 | int Record_Type; | |
2079 | { | |
2080 | register int i; | |
2081 | ||
2082 | /* | |
2083 | * We are writing a "Record_Type" record | |
2084 | */ | |
2085 | Set_VMS_Object_File_Record(Record_Type); | |
2086 | /* | |
2087 | * We can only store 128 bytes at a time | |
2088 | */ | |
2089 | while(Size > 0) { | |
2090 | /* | |
2091 | * Store a maximum of 128 bytes | |
2092 | */ | |
2093 | i = (Size > 128) ? 128 : Size; | |
2094 | Size -= i; | |
2095 | /* | |
2096 | * If we cannot accommodate this record, flush the | |
2097 | * buffer. | |
2098 | */ | |
2099 | if ((Object_Record_Offset + i + 1) >= | |
2100 | sizeof(Object_Record_Buffer)) | |
2101 | Flush_VMS_Object_Record_Buffer(); | |
2102 | /* | |
2103 | * If the buffer is empty we must insert record type | |
2104 | */ | |
2105 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
2106 | /* | |
2107 | * Store the count | |
2108 | */ | |
2109 | PUT_CHAR(-i & 0xff); | |
2110 | /* | |
2111 | * Store the data | |
2112 | */ | |
2113 | while(--i >= 0) PUT_CHAR(*Pointer++); | |
2114 | /* | |
2115 | * Flush the buffer if it is more than 75% full | |
2116 | */ | |
2117 | if (Object_Record_Offset > | |
2118 | (sizeof(Object_Record_Buffer)*3/4)) | |
2119 | Flush_VMS_Object_Record_Buffer(); | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | \f | |
2124 | /* | |
2125 | * Store repeated immediate data in current Psect | |
2126 | */ | |
2127 | VMS_Store_Repeated_Data(Repeat_Count,Pointer, Size, Record_Type) | |
2128 | int Repeat_Count; | |
2129 | register char *Pointer; | |
2130 | int Size; | |
2131 | int Record_Type; | |
2132 | { | |
2133 | ||
2134 | /* | |
2135 | * Ignore zero bytes/words/longwords | |
2136 | */ | |
2137 | if ((Size == sizeof(char)) && (*Pointer == 0)) return; | |
2138 | if ((Size == sizeof(short)) && (*(short *)Pointer == 0)) return; | |
2139 | if ((Size == sizeof(long)) && (*(long *)Pointer == 0)) return; | |
2140 | /* | |
2141 | * If the data is too big for a TIR$C_STO_RIVB sub-record | |
2142 | * then we do it manually | |
2143 | */ | |
2144 | if (Size > 255) { | |
2145 | while(--Repeat_Count >= 0) | |
2146 | VMS_Store_Immediate_Data(Pointer,Size,Record_Type); | |
2147 | return; | |
2148 | } | |
2149 | /* | |
2150 | * We are writing a "Record_Type" record | |
2151 | */ | |
2152 | Set_VMS_Object_File_Record(Record_Type); | |
2153 | /* | |
2154 | * If the buffer is empty we must insert record type | |
2155 | */ | |
2156 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
2157 | /* | |
2158 | * Stack the repeat count | |
2159 | */ | |
2160 | PUT_CHAR(TIR$C_STA_LW); | |
2161 | PUT_LONG(Repeat_Count); | |
2162 | /* | |
2163 | * And now the command and its data | |
2164 | */ | |
2165 | PUT_CHAR(TIR$C_STO_RIVB); | |
2166 | PUT_CHAR(Size); | |
2167 | while(--Size >= 0) PUT_CHAR(*Pointer++); | |
2168 | /* | |
2169 | * Flush the buffer if it is more than 75% full | |
2170 | */ | |
2171 | if (Object_Record_Offset > | |
2172 | (sizeof(Object_Record_Buffer)*3/4)) | |
2173 | Flush_VMS_Object_Record_Buffer(); | |
2174 | } | |
2175 | ||
2176 | \f | |
2177 | /* | |
2178 | * Store a Position Independent Reference | |
2179 | */ | |
2180 | VMS_Store_PIC_Symbol_Reference(Symbol, Offset, PC_Relative, | |
2181 | Psect, Psect_Offset, Record_Type) | |
2182 | struct symbol *Symbol; | |
2183 | int Offset; | |
2184 | int PC_Relative; | |
2185 | int Psect; | |
2186 | int Psect_Offset; | |
2187 | int Record_Type; | |
2188 | { | |
2189 | register struct VMS_Symbol *vsp = | |
2190 | (struct VMS_Symbol *)(Symbol->sy_number); | |
2191 | char Local[32]; | |
2192 | ||
2193 | /* | |
2194 | * We are writing a "Record_Type" record | |
2195 | */ | |
2196 | Set_VMS_Object_File_Record(Record_Type); | |
2197 | /* | |
2198 | * If the buffer is empty we must insert record type | |
2199 | */ | |
2200 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
2201 | /* | |
2202 | * Set to the appropriate offset in the Psect | |
2203 | */ | |
2204 | if (PC_Relative) { | |
2205 | /* | |
2206 | * For a Code reference we need to fix the operand | |
2207 | * specifier as well (so back up 1 byte) | |
2208 | */ | |
2209 | VMS_Set_Psect(Psect, Psect_Offset - 1, Record_Type); | |
2210 | } else { | |
2211 | /* | |
2212 | * For a Data reference we just store HERE | |
2213 | */ | |
2214 | VMS_Set_Psect(Psect, Psect_Offset, Record_Type); | |
2215 | } | |
2216 | /* | |
2217 | * Make sure we are still generating a "Record Type" record | |
2218 | */ | |
2219 | if (Object_Record_Offset == 0) PUT_CHAR(Record_Type); | |
2220 | /* | |
2221 | * Dispatch on symbol type (so we can stack its value) | |
2222 | */ | |
2223 | switch(Symbol->sy_nlist.n_type) { | |
2224 | /* | |
2225 | * Global symbol | |
2226 | */ | |
2227 | #ifdef NOT_VAX_11_C_COMPATIBLE | |
2228 | case N_UNDF | N_EXT: | |
2229 | case N_DATA | N_EXT: | |
2230 | #endif NOT_VAX_11_C_COMPATIBLE | |
2231 | case N_UNDF: | |
2232 | case N_TEXT | N_EXT: | |
2233 | /* | |
2234 | * Get the symbol name (case hacked) | |
2235 | */ | |
2236 | VMS_Case_Hack_Symbol(Symbol->sy_nlist.n_un.n_name,Local); | |
2237 | /* | |
2238 | * Stack the global symbol value | |
2239 | */ | |
2240 | PUT_CHAR(TIR$C_STA_GBL); | |
2241 | PUT_COUNTED_STRING(Local); | |
2242 | if (Offset) { | |
2243 | /* | |
2244 | * Stack the longword offset | |
2245 | */ | |
2246 | PUT_CHAR(TIR$C_STA_LW); | |
2247 | PUT_LONG(Offset); | |
2248 | /* | |
2249 | * Add the two, leaving the result on the stack | |
2250 | */ | |
2251 | PUT_CHAR(TIR$C_OPR_ADD); | |
2252 | } | |
2253 | break; | |
2254 | /* | |
2255 | * Uninitialized local data | |
2256 | */ | |
2257 | case N_BSS: | |
2258 | /* | |
2259 | * Stack the Psect (+offset) | |
2260 | */ | |
2261 | if (vsp->Psect_Index < 255) { | |
2262 | PUT_CHAR(TIR$C_STA_PL); | |
2263 | PUT_CHAR(vsp->Psect_Index); | |
2264 | } else { | |
2265 | PUT_CHAR(TIR$C_STA_WPL); | |
2266 | PUT_SHORT(vsp->Psect_Index); | |
2267 | } | |
2268 | PUT_LONG(vsp->Psect_Offset + Offset); | |
2269 | break; | |
2270 | /* | |
2271 | * Local text | |
2272 | */ | |
2273 | case N_TEXT: | |
2274 | /* | |
2275 | * Stack the Psect (+offset) | |
2276 | */ | |
2277 | if (vsp->Psect_Index < 255) { | |
2278 | PUT_CHAR(TIR$C_STA_PL); | |
2279 | PUT_CHAR(vsp->Psect_Index); | |
2280 | } else { | |
2281 | PUT_CHAR(TIR$C_STA_WPL); | |
2282 | PUT_SHORT(vsp->Psect_Index); | |
2283 | } | |
2284 | PUT_LONG(Symbol->sy_nlist.n_value); | |
2285 | break; | |
2286 | /* | |
2287 | * Initialized local or global data | |
2288 | */ | |
2289 | case N_DATA: | |
2290 | #ifndef NOT_VAX_11_C_COMPATIBLE | |
2291 | case N_UNDF | N_EXT: | |
2292 | case N_DATA | N_EXT: | |
2293 | #endif NOT_VAX_11_C_COMPATIBLE | |
2294 | /* | |
2295 | * Stack the Psect (+offset) | |
2296 | */ | |
2297 | if (vsp->Psect_Index < 255) { | |
2298 | PUT_CHAR(TIR$C_STA_PL); | |
2299 | PUT_CHAR(vsp->Psect_Index); | |
2300 | } else { | |
2301 | PUT_CHAR(TIR$C_STA_WPL); | |
2302 | PUT_SHORT(vsp->Psect_Index); | |
2303 | } | |
2304 | PUT_LONG(vsp->Psect_Offset + Offset); | |
2305 | break; | |
2306 | } | |
2307 | /* | |
2308 | * Store either a code or data reference | |
2309 | */ | |
2310 | PUT_CHAR(PC_Relative ? TIR$C_STO_PICR : TIR$C_STO_PIDR); | |
2311 | /* | |
2312 | * Flush the buffer if it is more than 75% full | |
2313 | */ | |
2314 | if (Object_Record_Offset > | |
2315 | (sizeof(Object_Record_Buffer)*3/4)) | |
2316 | Flush_VMS_Object_Record_Buffer(); | |
2317 | } | |
2318 | ||
2319 | \f | |
2320 | /* | |
2321 | * Check in the text area for an indirect pc-relative reference | |
2322 | * and fix it up with addressing mode 0xff [PC indirect] | |
2323 | * | |
2324 | * THIS SHOULD BE REPLACED BY THE USE OF TIR$C_STO_PIRR IN THE | |
2325 | * PIC CODE GENERATING FIXUP ROUTINE. | |
2326 | */ | |
2327 | VMS_Fix_Indirect_Reference(Text_Psect, Offset, fragP, text_frag_root) | |
2328 | int Text_Psect; | |
2329 | int Offset; | |
2330 | register fragS *fragP; | |
2331 | struct frag *text_frag_root; | |
2332 | { | |
2333 | /* | |
2334 | * The addressing mode byte is 1 byte before the address | |
2335 | */ | |
2336 | Offset--; | |
2337 | /* | |
2338 | * Is it in THIS frag?? | |
2339 | */ | |
2340 | if ((Offset < fragP->fr_address) || | |
2341 | (Offset >= (fragP->fr_address + fragP->fr_fix))) { | |
2342 | /* | |
2343 | * We need to search for the fragment containing this | |
2344 | * Offset | |
2345 | */ | |
2346 | for(fragP = text_frag_root; fragP; fragP = fragP->fr_next) { | |
2347 | if ((Offset >= fragP->fr_address) && | |
2348 | (Offset < (fragP->fr_address + fragP->fr_fix))) | |
2349 | break; | |
2350 | } | |
2351 | /* | |
2352 | * If we couldn't find the frag, things are BAD!! | |
2353 | */ | |
2354 | if (fragP == 0) | |
2355 | error("Couldn't find fixup fragment when checking for indirect reference"); | |
2356 | } | |
2357 | /* | |
2358 | * Check for indirect PC relative addressing mode | |
2359 | */ | |
2360 | if (fragP->fr_literal[Offset - fragP->fr_address] == (char)0xff) { | |
2361 | static char Address_Mode = 0xff; | |
2362 | ||
2363 | /* | |
2364 | * Yes: Store the indirect mode back into the image | |
2365 | * to fix up the damage done by STO_PICR | |
2366 | */ | |
2367 | VMS_Set_Psect(Text_Psect,Offset,OBJ$C_TIR); | |
2368 | VMS_Store_Immediate_Data(&Address_Mode,1,OBJ$C_TIR); | |
2369 | } | |
2370 | } | |
2371 | ||
2372 | \f | |
2373 | /* | |
2374 | * Write the Traceback Module Begin record | |
2375 | */ | |
2376 | VMS_TBT_Module_Begin() | |
2377 | { | |
2378 | register char *cp,*cp1; | |
2379 | int Size; | |
2380 | char Module_Name[256]; | |
2381 | char Local[256]; | |
2382 | ||
2383 | /* | |
2384 | * Get module name (the FILENAME part of the object file) | |
2385 | */ | |
2386 | cp = out_file_name; | |
2387 | cp1 = Module_Name; | |
2388 | while(*cp) { | |
2389 | if ((*cp == ']') || (*cp == '>') || | |
2390 | (*cp == ':') || (*cp == '/')) { | |
2391 | cp1 = Module_Name; | |
2392 | cp++; | |
2393 | continue; | |
2394 | } | |
2395 | *cp1++ = islower(*cp) ? toupper(*cp++) : *cp++; | |
2396 | } | |
2397 | *cp1 = 0; | |
2398 | /* | |
2399 | * Limit it to 31 characters | |
2400 | */ | |
2401 | while(--cp1 >= Module_Name) | |
2402 | if (*cp1 == '.') *cp1 = 0; | |
2403 | if (strlen(Module_Name) > 31) { | |
2404 | if(flagseen['+']) | |
2405 | printf("%s: Module name truncated: %s\n",myname, Module_Name); | |
2406 | Module_Name[31] = 0; | |
2407 | } | |
2408 | /* | |
2409 | * Arrange to store the data locally (leave room for size byte) | |
2410 | */ | |
2411 | cp = Local+1; | |
2412 | /* | |
2413 | * Begin module | |
2414 | */ | |
2415 | *cp++ = DST$C_MODBEG; | |
2416 | /* | |
2417 | * Unused | |
2418 | */ | |
2419 | *cp++ = 0; | |
2420 | /* | |
2421 | * Language type == "C" | |
2422 | */ | |
2423 | *(long *)cp = DST$C_C; | |
2424 | cp += sizeof(long); | |
2425 | /* | |
2426 | * Store the module name | |
2427 | */ | |
2428 | *cp++ = strlen(Module_Name); | |
2429 | cp1 = Module_Name; | |
2430 | while(*cp1) *cp++ = *cp1++; | |
2431 | /* | |
2432 | * Now we can store the record size | |
2433 | */ | |
2434 | Size = (cp - Local); | |
2435 | Local[0] = Size-1; | |
2436 | /* | |
2437 | * Put it into the object record | |
2438 | */ | |
2439 | VMS_Store_Immediate_Data(Local, Size, OBJ$C_TBT); | |
2440 | } | |
2441 | ||
2442 | \f | |
2443 | /* | |
2444 | * Write the Traceback Module End record | |
2445 | */ | |
2446 | VMS_TBT_Module_End() | |
2447 | { | |
2448 | char Local[2]; | |
2449 | ||
2450 | /* | |
2451 | * End module | |
2452 | */ | |
2453 | Local[0] = 1; | |
2454 | Local[1] = DST$C_MODEND; | |
2455 | /* | |
2456 | * Put it into the object record | |
2457 | */ | |
2458 | VMS_Store_Immediate_Data(Local, 2, OBJ$C_TBT); | |
2459 | } | |
2460 | ||
2461 | \f | |
2462 | /* | |
2463 | * Write the Traceback Routine Begin record | |
2464 | */ | |
2465 | VMS_TBT_Routine_Begin(symbolP, Psect) | |
2466 | struct symbol *symbolP; | |
2467 | int Psect; | |
2468 | { | |
2469 | register char *cp,*cp1; | |
2470 | char *Name; | |
2471 | int Offset; | |
2472 | int Size; | |
2473 | char Local[512]; | |
2474 | ||
2475 | /* | |
2476 | * Strip the leading "_" from the name | |
2477 | */ | |
2478 | Name = symbolP->sy_nlist.n_un.n_name; | |
2479 | if (*Name == '_') Name++; | |
2480 | /* | |
2481 | * Get the text psect offset | |
2482 | */ | |
2483 | Offset = symbolP->sy_nlist.n_value; | |
2484 | /* | |
2485 | * Calculate the record size | |
2486 | */ | |
2487 | Size = 1+1+4+1+strlen(Name); | |
2488 | /* | |
2489 | * Record Size | |
2490 | */ | |
2491 | Local[0] = Size; | |
2492 | /* | |
2493 | * Begin Routine | |
2494 | */ | |
2495 | Local[1] = DST$C_RTNBEG; | |
2496 | /* | |
2497 | * Uses CallS/CallG | |
2498 | */ | |
2499 | Local[2] = 0; | |
2500 | /* | |
2501 | * Store the data so far | |
2502 | */ | |
2503 | VMS_Store_Immediate_Data(Local, 3, OBJ$C_TBT); | |
2504 | /* | |
2505 | * Make sure we are still generating a OBJ$C_TBT record | |
2506 | */ | |
2507 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_TBT); | |
2508 | /* | |
2509 | * Now get the symbol address | |
2510 | */ | |
2511 | PUT_CHAR(TIR$C_STA_WPL); | |
2512 | PUT_SHORT(Psect); | |
2513 | PUT_LONG(Offset); | |
2514 | /* | |
2515 | * Store the data reference | |
2516 | */ | |
2517 | PUT_CHAR(TIR$C_STO_PIDR); | |
2518 | /* | |
2519 | * Store the counted string as data | |
2520 | */ | |
2521 | cp = Local; | |
2522 | cp1 = Name; | |
2523 | Size = strlen(cp1) + 1; | |
2524 | *cp++ = Size - 1; | |
2525 | while(*cp1) *cp++ = *cp1++; | |
2526 | VMS_Store_Immediate_Data(Local, Size, OBJ$C_TBT); | |
2527 | } | |
2528 | ||
2529 | \f | |
2530 | /* | |
2531 | * Write the Traceback Routine End record | |
2532 | * We *must* search the symbol table to find the next routine, since | |
2533 | * the assember has a way of reassembling the symbol table OUT OF ORDER | |
2534 | * Thus the next routine in the symbol list is not necessarily the | |
2535 | * next one in memory. For debugging to work correctly we must know the | |
2536 | * size of the routine. | |
2537 | */ | |
2538 | VMS_TBT_Routine_End(Max_Size,sp) | |
2539 | int Max_Size; | |
2540 | symbolS *sp; | |
2541 | { | |
2542 | symbolS *symbolP; | |
2543 | int Size = 0x7fffffff; | |
2544 | char Local[16]; | |
2545 | ||
2546 | ||
2547 | for(symbolP = symbol_rootP; symbolP; symbolP = symbolP->sy_next) { | |
2548 | if ((symbolP->sy_nlist.n_type & ~N_EXT) == N_TEXT) { | |
2549 | if (symbolP->sy_nlist.n_un.n_name[0] == 'L') continue; | |
2550 | if((symbolP->sy_nlist.n_value > sp->sy_nlist.n_value) && | |
2551 | (symbolP->sy_nlist.n_value < Size )) | |
2552 | Size = symbolP->sy_nlist.n_value; | |
2553 | /* check if gcc_compiled. has size of zero */ | |
2554 | if((symbolP->sy_nlist.n_value == sp->sy_nlist.n_value) && | |
2555 | sp != symbolP && | |
2556 | !strcmp(sp->sy_nlist.n_un.n_name,"gcc_compiled.")) | |
2557 | Size = symbolP->sy_nlist.n_value; | |
2558 | ||
2559 | }; | |
2560 | }; | |
2561 | if(Size == 0x7fffffff) Size = Max_Size; | |
2562 | Size -= sp->sy_nlist.n_value; /* and get the size of the routine */ | |
2563 | /* | |
2564 | * Record Size | |
2565 | */ | |
2566 | Local[0] = 6; | |
2567 | /* | |
2568 | * End of Routine | |
2569 | */ | |
2570 | Local[1] = DST$C_RTNEND; | |
2571 | /* | |
2572 | * Unused | |
2573 | */ | |
2574 | Local[2] = 0; | |
2575 | /* | |
2576 | * Size of routine | |
2577 | */ | |
2578 | *((long *)(Local+3)) = Size; | |
2579 | /* | |
2580 | * Store the record | |
2581 | */ | |
2582 | VMS_Store_Immediate_Data(Local,7, OBJ$C_TBT); | |
2583 | } | |
2584 | /* | |
2585 | * Write the Traceback Block End record | |
2586 | */ | |
2587 | VMS_TBT_Block_Begin(symbolP, Psect, Name) | |
2588 | struct symbol *symbolP; | |
2589 | int Psect; | |
2590 | char* Name; | |
2591 | { | |
2592 | register char *cp,*cp1; | |
2593 | int Offset; | |
2594 | int Size; | |
2595 | char Local[512]; | |
2596 | /* | |
2597 | * Begin block | |
2598 | */ | |
2599 | Size = 1+1+4+1+strlen(Name); | |
2600 | /* | |
2601 | * Record Size | |
2602 | */ | |
2603 | Local[0] = Size; | |
2604 | /* | |
2605 | * Begin Block - We simulate with a phony routine | |
2606 | */ | |
2607 | Local[1] = DST$C_BLKBEG; | |
2608 | /* | |
2609 | * Uses CallS/CallG | |
2610 | */ | |
2611 | Local[2] = 0; | |
2612 | /* | |
2613 | * Store the data so far | |
2614 | */ | |
2615 | VMS_Store_Immediate_Data(Local, 3, OBJ$C_DBG); | |
2616 | /* | |
2617 | * Make sure we are still generating a OBJ$C_DBG record | |
2618 | */ | |
2619 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_DBG); | |
2620 | /* | |
2621 | * Now get the symbol address | |
2622 | */ | |
2623 | PUT_CHAR(TIR$C_STA_WPL); | |
2624 | PUT_SHORT(Psect); | |
2625 | /* | |
2626 | * Get the text psect offset | |
2627 | */ | |
2628 | Offset = symbolP->sy_nlist.n_value; | |
2629 | PUT_LONG(Offset); | |
2630 | /* | |
2631 | * Store the data reference | |
2632 | */ | |
2633 | PUT_CHAR(TIR$C_STO_PIDR); | |
2634 | /* | |
2635 | * Store the counted string as data | |
2636 | */ | |
2637 | cp = Local; | |
2638 | cp1 = Name; | |
2639 | Size = strlen(cp1) + 1; | |
2640 | *cp++ = Size - 1; | |
2641 | while(*cp1) *cp++ = *cp1++; | |
2642 | VMS_Store_Immediate_Data(Local, Size, OBJ$C_DBG); | |
2643 | } | |
2644 | ||
2645 | \f | |
2646 | /* | |
2647 | * Write the Traceback Block End record | |
2648 | */ | |
2649 | VMS_TBT_Block_End(int Size) | |
2650 | { | |
2651 | char Local[16]; | |
2652 | ||
2653 | /* | |
2654 | * End block - simulate with a phony end routine | |
2655 | */ | |
2656 | Local[0] = 6; | |
2657 | Local[1] = DST$C_BLKEND; | |
2658 | *((long *)(Local+3)) = Size; | |
2659 | /* | |
2660 | * Unused | |
2661 | */ | |
2662 | Local[2] = 0; | |
2663 | VMS_Store_Immediate_Data(Local,7, OBJ$C_DBG); | |
2664 | } | |
2665 | ||
2666 | ||
2667 | \f | |
2668 | /* | |
2669 | * Write a Line number / PC correlation record | |
2670 | */ | |
2671 | VMS_TBT_Line_PC_Correlation(Line_Number, Offset, Psect, Do_Delta) | |
2672 | int Line_Number; | |
2673 | int Offset; | |
2674 | int Psect; | |
2675 | int Do_Delta; | |
2676 | { | |
2677 | register char *cp; | |
2678 | char Local[64]; | |
2679 | ||
2680 | /* | |
2681 | * If not delta, set our PC/Line number correlation | |
2682 | */ | |
2683 | if (Do_Delta == 0) { | |
2684 | /* | |
2685 | * Size | |
2686 | */ | |
2687 | Local[0] = 1+1+2+1+4; | |
2688 | /* | |
2689 | * Line Number/PC correlation | |
2690 | */ | |
2691 | Local[1] = DST$C_LINE_NUM; | |
2692 | /* | |
2693 | * Set Line number | |
2694 | */ | |
2695 | Local[2] = DST$C_SET_LINE_NUM; | |
2696 | *((unsigned short *)(Local+3)) = Line_Number-1; | |
2697 | /* | |
2698 | * Set PC | |
2699 | */ | |
2700 | Local[5] = DST$C_SET_ABS_PC; | |
2701 | VMS_Store_Immediate_Data(Local, 6, OBJ$C_TBT); | |
2702 | /* | |
2703 | * Make sure we are still generating a OBJ$C_TBT record | |
2704 | */ | |
2705 | if (Object_Record_Offset == 0) PUT_CHAR(OBJ$C_TBT); | |
2706 | if (Psect < 255) { | |
2707 | PUT_CHAR(TIR$C_STA_PL); | |
2708 | PUT_CHAR(Psect); | |
2709 | } else { | |
2710 | PUT_CHAR(TIR$C_STA_WPL); | |
2711 | PUT_SHORT(Psect); | |
2712 | } | |
2713 | PUT_LONG(Offset); | |
2714 | PUT_CHAR(TIR$C_STO_PIDR); | |
2715 | /* | |
2716 | * Do a PC offset of 0 to register the line number | |
2717 | */ | |
2718 | Local[0] = 2; | |
2719 | Local[1] = DST$C_LINE_NUM; | |
2720 | Local[2] = 0; /* Increment PC by 0 and register line # */ | |
2721 | VMS_Store_Immediate_Data(Local, 3, OBJ$C_TBT); | |
2722 | } else { | |
2723 | /* | |
2724 | * If Delta is negative, terminate the line numbers | |
2725 | */ | |
2726 | if (Do_Delta < 0) { | |
2727 | Local[0] = 1+1+4; | |
2728 | Local[1] = DST$C_LINE_NUM; | |
2729 | Local[2] = DST$C_TERM_L; | |
2730 | *((long *)(Local+3)) = Offset; | |
2731 | VMS_Store_Immediate_Data(Local, 7, OBJ$C_TBT); | |
2732 | /* | |
2733 | * Done | |
2734 | */ | |
2735 | return; | |
2736 | } | |
2737 | /* | |
2738 | * Do a PC/Line delta | |
2739 | */ | |
2740 | cp = Local+1; | |
2741 | *cp++ = DST$C_LINE_NUM; | |
2742 | if (Line_Number > 1) { | |
2743 | /* | |
2744 | * We need to increment the line number | |
2745 | */ | |
2746 | if (Line_Number-1 <= 255) { | |
2747 | *cp++ = DST$C_INCR_LINUM; | |
2748 | *cp++ = Line_Number-1; | |
2749 | } else { | |
2750 | *cp++ = DST$C_INCR_LINUM_W; | |
2751 | *(short *)cp = Line_Number-1; | |
2752 | cp += sizeof(short); | |
2753 | } | |
2754 | } | |
2755 | /* | |
2756 | * Increment the PC | |
2757 | */ | |
2758 | if (Offset <= 128) { | |
2759 | *cp++ = -Offset; | |
2760 | } else { | |
2761 | if (Offset < 0x10000) { | |
2762 | *cp++ = DST$C_DELTA_PC_W; | |
2763 | *(short *)cp = Offset; | |
2764 | cp += sizeof(short); | |
2765 | } else { | |
2766 | *cp++ = DST$C_DELTA_PC_L; | |
2767 | *(long *)cp = Offset; | |
2768 | cp += sizeof(long); | |
2769 | } | |
2770 | } | |
2771 | Local[0] = cp - (Local+1); | |
2772 | VMS_Store_Immediate_Data(Local,cp - Local, OBJ$C_TBT); | |
2773 | } | |
2774 | } | |
2775 | ||
2776 | \f | |
2777 | /* | |
2778 | * Describe a source file to the debugger | |
2779 | */ | |
2780 | VMS_TBT_Source_File(Filename, ID_Number) | |
2781 | char *Filename; | |
2782 | int ID_Number; | |
2783 | { | |
2784 | register char *cp,*cp1; | |
2785 | int Status,i; | |
2786 | char Local[512]; | |
2787 | static struct FAB Fab; | |
2788 | static struct NAM Nam; | |
2789 | static struct XABDAT Date_Xab; | |
2790 | static struct XABFHC File_Header_Xab; | |
2791 | char Es_String[255],Rs_String[255]; | |
2792 | ||
2793 | /* | |
2794 | * Setup the Fab | |
2795 | */ | |
2796 | Fab.fab$b_bid = FAB$C_BID; | |
2797 | Fab.fab$b_bln = sizeof(Fab); | |
2798 | Fab.fab$l_nam = (&Nam); | |
2799 | Fab.fab$l_xab = (struct XAB *)&Date_Xab; | |
2800 | /* | |
2801 | * Setup the Nam block so we can find out the FULL name | |
2802 | * of the source file. | |
2803 | */ | |
2804 | Nam.nam$b_bid = NAM$C_BID; | |
2805 | Nam.nam$b_bln = sizeof(Nam); | |
2806 | Nam.nam$l_rsa = Rs_String; | |
2807 | Nam.nam$b_rss = sizeof(Rs_String); | |
2808 | Nam.nam$l_esa = Es_String; | |
2809 | Nam.nam$b_ess = sizeof(Es_String); | |
2810 | /* | |
2811 | * Setup the Date and File Header Xabs | |
2812 | */ | |
2813 | Date_Xab.xab$b_cod = XAB$C_DAT; | |
2814 | Date_Xab.xab$b_bln = sizeof(Date_Xab); | |
2815 | Date_Xab.xab$l_nxt = (char *)&File_Header_Xab; | |
2816 | File_Header_Xab.xab$b_cod = XAB$C_FHC; | |
2817 | File_Header_Xab.xab$b_bln = sizeof(File_Header_Xab); | |
2818 | /* ((struct XAB *)&Date_Xab)->xab$b_cod = XAB$C_DAT; */ | |
2819 | /* ((struct XAB *)&Date_Xab)->xab$b_bln = sizeof(Date_Xab); */ | |
2820 | /* ((struct XAB *)&Date_Xab)->xab$l_nxt = (struct XAB *)&File_Header_Xab; */ | |
2821 | /* ((struct XAB *)&File_Header_Xab)->xab$b_cod = XAB$C_FHC; */ | |
2822 | /* ((struct XAB *)&File_Header_Xab)->xab$b_bln = sizeof(File_Header_Xab); */ | |
2823 | /* | |
2824 | * Get the file information | |
2825 | */ | |
2826 | Fab.fab$l_fna = Filename; | |
2827 | Fab.fab$b_fns = strlen(Filename); | |
2828 | Status = sys$open(&Fab); | |
2829 | if (!(Status & 1)) { | |
2830 | printf("gas: Couldn't find source file \"%s\", Error = %%X%x\n", | |
2831 | Filename, Status); | |
2832 | return(0); | |
2833 | } | |
2834 | sys$close(&Fab); | |
2835 | /* | |
2836 | * Calculate the size of the resultant string | |
2837 | */ | |
2838 | i = Nam.nam$b_rsl; | |
2839 | /* | |
2840 | * Size of record | |
2841 | */ | |
2842 | Local[0] = 1+1+1+1+1+2+8+4+2+1+1+i+1; | |
2843 | /* | |
2844 | * Source declaration | |
2845 | */ | |
2846 | Local[1] = DST$C_SOURCE; | |
2847 | /* | |
2848 | * Make formfeeds count as source records | |
2849 | */ | |
2850 | Local[2] = DST$C_SRC_FORMFEED; | |
2851 | /* | |
2852 | * Declare source file | |
2853 | */ | |
2854 | Local[3] = DST$C_SRC_DECLFILE; | |
2855 | Local[4] = 1+2+8+4+2+1+1+i+1; | |
2856 | cp = Local+5; | |
2857 | /* | |
2858 | * Flags | |
2859 | */ | |
2860 | *cp++ = 0; | |
2861 | /* | |
2862 | * File ID | |
2863 | */ | |
2864 | *(short *)cp = ID_Number; | |
2865 | cp += sizeof(short); | |
2866 | /* | |
2867 | * Creation Date | |
2868 | */ | |
2869 | *(long *)cp = ((long *) &Date_Xab.xab$q_cdt)[0]; | |
2870 | cp += sizeof(long); | |
2871 | *(long *)cp = ((long *) &Date_Xab.xab$q_cdt)[1]; | |
2872 | cp += sizeof(long); | |
2873 | /* | |
2874 | * End of file block | |
2875 | */ | |
2876 | *(long *)cp = File_Header_Xab.xab$l_ebk; | |
2877 | cp += sizeof(long); | |
2878 | /* | |
2879 | * First free byte | |
2880 | */ | |
2881 | *(short *)cp = File_Header_Xab.xab$w_ffb; | |
2882 | cp += sizeof(short); | |
2883 | /* | |
2884 | * Record format | |
2885 | */ | |
2886 | *cp++ = File_Header_Xab.xab$b_rfo; | |
2887 | /* | |
2888 | * Filename | |
2889 | */ | |
2890 | *cp++ = i; | |
2891 | cp1 = Rs_String; | |
2892 | while(--i >= 0) *cp++ = *cp1++; | |
2893 | /* | |
2894 | * Library module name (none) | |
2895 | */ | |
2896 | *cp++ = 0; | |
2897 | /* | |
2898 | * Done | |
2899 | */ | |
2900 | VMS_Store_Immediate_Data(Local,cp - Local, OBJ$C_TBT); | |
2901 | } | |
2902 | ||
2903 | \f | |
2904 | /* | |
2905 | * Give the number of source lines to the debugger | |
2906 | */ | |
2907 | VMS_TBT_Source_Lines(ID_Number,Starting_Line_Number,Number_Of_Lines) | |
2908 | int ID_Number; | |
2909 | int Starting_Line_Number; | |
2910 | int Number_Of_Lines; | |
2911 | { | |
2912 | char *cp,*cp1; | |
2913 | char Local[16]; | |
2914 | ||
2915 | /* | |
2916 | * Size of record | |
2917 | */ | |
2918 | Local[0] = 1+1+2+1+4+1+2; | |
2919 | /* | |
2920 | * Source declaration | |
2921 | */ | |
2922 | Local[1] = DST$C_SOURCE; | |
2923 | /* | |
2924 | * Set Source File | |
2925 | */ | |
2926 | cp = Local+2; | |
2927 | *cp++ = DST$C_SRC_SETFILE; | |
2928 | /* | |
2929 | * File ID Number | |
2930 | */ | |
2931 | *(short *)cp = ID_Number; | |
2932 | cp += sizeof(short); | |
2933 | /* | |
2934 | * Set record number | |
2935 | */ | |
2936 | *cp++ = DST$C_SRC_SETREC_L; | |
2937 | *(long *)cp = Starting_Line_Number; | |
2938 | cp += sizeof(long); | |
2939 | /* | |
2940 | * Define lines | |
2941 | */ | |
2942 | *cp++ = DST$C_SRC_DEFLINES_W; | |
2943 | *(short *)cp = Number_Of_Lines; | |
2944 | cp += sizeof(short); | |
2945 | /* | |
2946 | * Done | |
2947 | */ | |
2948 | VMS_Store_Immediate_Data(Local, cp-Local, OBJ$C_TBT); | |
2949 | } | |
2950 | ||
2951 | \f | |
2952 | /* | |
2953 | * Given the pointer to a symbol we calculate how big the data at the | |
2954 | * symbol is. We do this by looking for the next symbol (local or | |
2955 | * global) which will indicate the start of another datum. | |
2956 | */ | |
2957 | int VMS_Initialized_Data_Size(sp, End_Of_Data) | |
2958 | register struct symbol *sp; | |
2959 | int End_Of_Data; | |
2960 | { | |
2961 | register struct symbol *sp1,*Next_Symbol; | |
2962 | ||
2963 | /* | |
2964 | * Find the next symbol | |
2965 | * it delimits this datum | |
2966 | */ | |
2967 | Next_Symbol = 0; | |
2968 | for (sp1 = symbol_rootP; sp1; sp1 = sp1->sy_next) { | |
2969 | /* | |
2970 | * The data type must match | |
2971 | */ | |
2972 | if ((sp1->sy_nlist.n_type & ~N_EXT) != N_DATA) continue; | |
2973 | /* | |
2974 | * The symbol must be AFTER this symbol | |
2975 | */ | |
2976 | if (sp1->sy_nlist.n_value <= sp->sy_nlist.n_value) continue; | |
2977 | /* | |
2978 | * We ignore THIS symbol | |
2979 | */ | |
2980 | if (sp1 == sp) continue; | |
2981 | /* | |
2982 | * If there is already a candidate selected for the | |
2983 | * next symbol, see if we are a better candidate | |
2984 | */ | |
2985 | if (Next_Symbol) { | |
2986 | /* | |
2987 | * We are a better candidate if we are "closer" | |
2988 | * to the symbol | |
2989 | */ | |
2990 | if (sp1->sy_nlist.n_value > | |
2991 | Next_Symbol->sy_nlist.n_value) | |
2992 | continue; | |
2993 | /* | |
2994 | * Win: Make this the candidate | |
2995 | */ | |
2996 | Next_Symbol = sp1; | |
2997 | } else { | |
2998 | /* | |
2999 | * This is the 1st candidate | |
3000 | */ | |
3001 | Next_Symbol = sp1; | |
3002 | } | |
3003 | } | |
3004 | /* | |
3005 | * Calculate its size | |
3006 | */ | |
3007 | return(Next_Symbol ? | |
3008 | (Next_Symbol->sy_nlist.n_value - | |
3009 | sp->sy_nlist.n_value) : | |
3010 | (End_Of_Data - sp->sy_nlist.n_value)); | |
3011 | } | |
3012 | ||
3013 | \f | |
3014 | ||
3015 | /* this routine locates a file in the list of files. If an entry does not | |
3016 | * exist, one is created. For include files, a new entry is always created | |
3017 | * such that inline functions can be properly debugged */ | |
3018 | struct input_file * | |
3019 | find_file(sp) | |
3020 | symbolS * sp; | |
3021 | { | |
3022 | struct input_file * same_file; | |
3023 | struct input_file * fpnt; | |
3024 | same_file = (struct input_file*) NULL; | |
3025 | for(fpnt = file_root; fpnt; fpnt = fpnt->next){ | |
3026 | if(fpnt == (struct input_file*) NULL) break; | |
3027 | if(fpnt->spnt == sp) return fpnt; | |
3028 | }; | |
3029 | for(fpnt = file_root; fpnt; fpnt = fpnt->next){ | |
3030 | if(fpnt == (struct input_file*) NULL) break; | |
3031 | if (strcmp(sp->sy_nlist.n_un.n_name,fpnt->name) == 0){ | |
3032 | if(fpnt->flag == 1)return fpnt; | |
3033 | same_file = fpnt; | |
3034 | break; | |
3035 | }; | |
3036 | }; | |
3037 | fpnt = (struct input_file*) malloc(sizeof(struct input_file)); | |
3038 | if(file_root == (struct input_file*) NULL) file_root = fpnt; | |
3039 | else { | |
3040 | struct input_file * fpnt1; | |
3041 | for(fpnt1 = file_root; fpnt1->next; fpnt1 = fpnt1->next); | |
3042 | fpnt1->next = fpnt; | |
3043 | }; | |
3044 | fpnt->next = (struct input_file*) NULL; | |
3045 | fpnt->name = sp->sy_nlist.n_un.n_name; | |
3046 | fpnt->min_line = 0x7fffffff; | |
3047 | fpnt->max_line = 0; | |
3048 | fpnt->offset = 0; | |
3049 | fpnt->flag = 0; | |
3050 | fpnt->file_number = 0; | |
3051 | fpnt->spnt = sp; | |
3052 | fpnt->same_file_fpnt = same_file; | |
3053 | return fpnt; | |
3054 | } | |
3055 | ||
3056 | \f | |
3057 | /* | |
3058 | * This is a hacked _doprnt() for VAX-11 "C". It understands that | |
3059 | * it is ONLY called by as_fatal(Format, Args) with a pointer to the | |
3060 | * "Args" argument. From this we can make it all work right! | |
3061 | */ | |
3062 | #ifndef eunice | |
3063 | _doprnt(Format, a, f) | |
3064 | char *Format; | |
3065 | FILE *f; | |
3066 | char **a; | |
3067 | { | |
3068 | int Nargs = ((int *)a)[-2]; /* This understands as_fatal() */ | |
3069 | ||
3070 | switch(Nargs) { | |
3071 | default: fprintf(f,"_doprnt error on \"%s\"!!",Format); break; | |
3072 | case 1: fprintf(f,Format); break; | |
3073 | case 2: fprintf(f,Format,a[0]); break; | |
3074 | case 3: fprintf(f,Format,a[0],a[1]); break; | |
3075 | case 4: fprintf(f,Format,a[0],a[1],a[2]); break; | |
3076 | case 5: fprintf(f,Format,a[0],a[1],a[2],a[3]); break; | |
3077 | case 6: fprintf(f,Format,a[0],a[1],a[2],a[3],a[4]); break; | |
3078 | case 7: fprintf(f,Format,a[0],a[1],a[2],a[3],a[4],a[5]); break; | |
3079 | case 8: fprintf(f,Format,a[0],a[1],a[2],a[3],a[4],a[5],a[6]); break; | |
3080 | case 9: fprintf(f,Format,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]); break; | |
3081 | case 10: fprintf(f,Format,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]); break; | |
3082 | } | |
3083 | } | |
3084 | ||
3085 | #endif /* eunice */ | |
3086 | ||
3087 | #endif /* VMS */ |