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Daily bump.
[official-gcc.git] / gcc / mips-tdump.c
blob3a57458798844cc219c603b1570916b446b2698d
1 /* Read and manage MIPS symbol tables from object modules.
2 Copyright (C) 1991, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2003, 2004,
3 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4 Contributed by hartzell@boulder.colorado.edu,
5 Rewritten by meissner@osf.org.
6
7 This file is part of GCC.
8
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 3, or (at your option) any later
12 version.
13
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
22
23 #include "config.h"
24 #include "system.h"
25 #include "coretypes.h"
26 #include "tm.h"
27 #include "version.h"
28 #ifdef index
29 #undef index
30 #endif
31 #ifndef CROSS_DIRECTORY_STRUCTURE
32 #include <a.out.h>
33 #else
34 #include "mips/a.out.h"
35 #endif /* CROSS_DIRECTORY_STRUCTURE */
36
37 /* Include getopt.h for the sake of getopt_long. */
38 #include "getopt.h"
39
40 #ifndef MIPS_IS_STAB
41 /* Macros for mips-tfile.c to encapsulate stabs in ECOFF, and for
42 and mips-tdump.c to print them out. This is used on the Alpha,
43 which does not include mips.h.
44
45 These must match the corresponding definitions in gdb/mipsread.c.
46 Unfortunately, gcc and gdb do not currently share any directories. */
47
48 #define CODE_MASK 0x8F300
49 #define MIPS_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK)
50 #define MIPS_MARK_STAB(code) ((code)+CODE_MASK)
51 #define MIPS_UNMARK_STAB(code) ((code)-CODE_MASK)
52 #endif
53
54 #define uchar unsigned char
55 #define ushort unsigned short
56 #define uint unsigned int
57 #define ulong unsigned long
58
59 \f
60 /* Redefinition of storage classes as an enumeration for better
61 debugging. */
62
63 #ifndef stStaParam
64 #define stStaParam 16 /* Fortran static parameters */
65 #endif
66
67 #ifndef btVoid
68 #define btVoid 26 /* void basic type */
69 #endif
70
71 typedef enum sc {
72 sc_Nil = scNil, /* no storage class */
73 sc_Text = scText, /* text symbol */
74 sc_Data = scData, /* initialized data symbol */
75 sc_Bss = scBss, /* un-initialized data symbol */
76 sc_Register = scRegister, /* value of symbol is register number */
77 sc_Abs = scAbs, /* value of symbol is absolute */
78 sc_Undefined = scUndefined, /* who knows? */
79 sc_CdbLocal = scCdbLocal, /* variable's value is IN se->va.?? */
80 sc_Bits = scBits, /* this is a bit field */
81 sc_CdbSystem = scCdbSystem, /* var's value is IN CDB's address space */
82 sc_RegImage = scRegImage, /* register value saved on stack */
83 sc_Info = scInfo, /* symbol contains debugger information */
84 sc_UserStruct = scUserStruct, /* addr in struct user for current process */
85 sc_SData = scSData, /* load time only small data */
86 sc_SBss = scSBss, /* load time only small common */
87 sc_RData = scRData, /* load time only read only data */
88 sc_Var = scVar, /* Var parameter (fortran,pascal) */
89 sc_Common = scCommon, /* common variable */
90 sc_SCommon = scSCommon, /* small common */
91 sc_VarRegister = scVarRegister, /* Var parameter in a register */
92 sc_Variant = scVariant, /* Variant record */
93 sc_SUndefined = scSUndefined, /* small undefined(external) data */
94 sc_Init = scInit, /* .init section symbol */
95 sc_Max = scMax /* Max storage class+1 */
96 } sc_t;
97
98 /* Redefinition of symbol type. */
99
100 typedef enum st {
101 st_Nil = stNil, /* Nuthin' special */
102 st_Global = stGlobal, /* external symbol */
103 st_Static = stStatic, /* static */
104 st_Param = stParam, /* procedure argument */
105 st_Local = stLocal, /* local variable */
106 st_Label = stLabel, /* label */
107 st_Proc = stProc, /* " " Procedure */
108 st_Block = stBlock, /* beginning of block */
109 st_End = stEnd, /* end (of anything) */
110 st_Member = stMember, /* member (of anything - struct/union/enum */
111 st_Typedef = stTypedef, /* type definition */
112 st_File = stFile, /* file name */
113 st_RegReloc = stRegReloc, /* register relocation */
114 st_Forward = stForward, /* forwarding address */
115 st_StaticProc = stStaticProc, /* load time only static procs */
116 st_StaParam = stStaParam, /* Fortran static parameters */
117 st_Constant = stConstant, /* const */
118 #ifdef stStruct
119 st_Struct = stStruct, /* struct */
120 st_Union = stUnion, /* union */
121 st_Enum = stEnum, /* enum */
122 #endif
123 st_Str = stStr, /* string */
124 st_Number = stNumber, /* pure number (i.e. 4 NOR 2+2) */
125 st_Expr = stExpr, /* 2+2 vs. 4 */
126 st_Type = stType, /* post-coercion SER */
127 st_Max = stMax /* max type+1 */
128 } st_t;
129
130 /* Redefinition of type qualifiers. */
131
132 typedef enum tq {
133 tq_Nil = tqNil, /* bt is what you see */
134 tq_Ptr = tqPtr, /* pointer */
135 tq_Proc = tqProc, /* procedure */
136 tq_Array = tqArray, /* duh */
137 tq_Far = tqFar, /* longer addressing - 8086/8 land */
138 tq_Vol = tqVol, /* volatile */
139 tq_Max = tqMax /* Max type qualifier+1 */
140 } tq_t;
141
142 /* Redefinition of basic types. */
143
144 typedef enum bt {
145 bt_Nil = btNil, /* undefined */
146 bt_Adr = btAdr, /* address - integer same size as pointer */
147 bt_Char = btChar, /* character */
148 bt_UChar = btUChar, /* unsigned character */
149 bt_Short = btShort, /* short */
150 bt_UShort = btUShort, /* unsigned short */
151 bt_Int = btInt, /* int */
152 bt_UInt = btUInt, /* unsigned int */
153 bt_Long = btLong, /* long */
154 bt_ULong = btULong, /* unsigned long */
155 bt_Float = btFloat, /* float (real) */
156 bt_Double = btDouble, /* Double (real) */
157 bt_Struct = btStruct, /* Structure (Record) */
158 bt_Union = btUnion, /* Union (variant) */
159 bt_Enum = btEnum, /* Enumerated */
160 bt_Typedef = btTypedef, /* defined via a typedef, isymRef points */
161 bt_Range = btRange, /* subrange of int */
162 bt_Set = btSet, /* pascal sets */
163 bt_Complex = btComplex, /* fortran complex */
164 bt_DComplex = btDComplex, /* fortran double complex */
165 bt_Indirect = btIndirect, /* forward or unnamed typedef */
166 bt_FixedDec = btFixedDec, /* Fixed Decimal */
167 bt_FloatDec = btFloatDec, /* Float Decimal */
168 bt_String = btString, /* Varying Length Character String */
169 bt_Bit = btBit, /* Aligned Bit String */
170 bt_Picture = btPicture, /* Picture */
171 bt_Void = btVoid, /* void */
172 bt_Max = btMax /* Max basic type+1 */
173 } bt_t;
174
175 /* Redefinition of the language codes. */
176
177 typedef enum lang {
178 lang_C = langC,
179 lang_Pascal = langPascal,
180 lang_Fortran = langFortran,
181 lang_Assembler = langAssembler,
182 lang_Machine = langMachine,
183 lang_Nil = langNil,
184 lang_Ada = langAda,
185 lang_Pl1 = langPl1,
186 lang_Cobol = langCobol
187 } lang_t;
188
189 /* Redefinition of the debug level codes. */
190
191 typedef enum glevel {
192 glevel_0 = GLEVEL_0,
193 glevel_1 = GLEVEL_1,
194 glevel_2 = GLEVEL_2,
195 glevel_3 = GLEVEL_3
196 } glevel_t;
197
198 \f
199 /* Keep track of the active scopes. */
200 typedef struct scope {
201 struct scope *prev; /* previous scope */
202 ulong open_sym; /* symbol opening scope */
203 sc_t sc; /* storage class */
204 st_t st; /* symbol type */
205 } scope_t;
206
207 struct filehdr global_hdr; /* a.out header */
208
209 int errors = 0; /* # of errors */
210 int want_aux = 0; /* print aux table */
211 int want_line = 0; /* print line numbers */
212 int want_rfd = 0; /* print relative file desc's */
213 int want_scope = 0; /* print scopes for every symbol */
214 int tfile = 0; /* no global header file */
215 int version = 0; /* print version # */
216 int verbose = 0;
217 int tfile_fd; /* file descriptor of .T file */
218 off_t tfile_offset; /* current offset in .T file */
219 scope_t *cur_scope = 0; /* list of active scopes */
220 scope_t *free_scope = 0; /* list of freed scopes */
221 HDRR sym_hdr; /* symbolic header */
222 char *l_strings; /* local strings */
223 char *e_strings; /* external strings */
224 SYMR *l_symbols; /* local symbols */
225 EXTR *e_symbols; /* external symbols */
226 LINER *lines; /* line numbers */
227 DNR *dense_nums; /* dense numbers */
228 OPTR *opt_symbols; /* optimization symbols */
229 AUXU *aux_symbols; /* Auxiliary symbols */
230 char *aux_used; /* map of which aux syms are used */
231 FDR *file_desc; /* file tables */
232 ulong *rfile_desc; /* relative file tables */
233 PDR *proc_desc; /* procedure tables */
234
235 /* Forward reference for functions. */
236 static void *read_seek (void *, size_t, off_t, const char *);
237 static void read_tfile (void);
238 static void print_global_hdr (struct filehdr *);
239 static void print_sym_hdr (HDRR *);
240 static void print_file_desc (FDR *, int);
241 static void print_symbol (SYMR *, int, const char *, AUXU *, int, FDR *);
242 static void print_aux (AUXU, int, int);
243 static void emit_aggregate (char *, AUXU, AUXU, const char *, FDR *);
244 static const char *st_to_string (st_t);
245 static const char *sc_to_string (sc_t);
246 static const char *glevel_to_string (glevel_t);
247 static const char *lang_to_string (lang_t);
248 static const char *type_to_string (AUXU *, int, FDR *);
249
250 extern char *optarg;
251 extern int optind;
252 extern int opterr;
253
254 /* Create a table of debugging stab-codes and corresponding names. */
255
256 #define __define_stab(NAME, CODE, STRING) {(int)CODE, STRING},
257 const struct {const short code; const char string[10];} stab_names[] = {
258 #include "stab.def"
259 #undef __define_stab
260 };
261
262 /* Command line options for getopt_long. */
263
264 static const struct option options[] =
265 {
266 { "version", 0, 0, 'V' },
267 { "verbose", 0, 0, 'v' },
268 { 0, 0, 0, 0 }
269 };
270 \f
271 /* Read some bytes at a specified location, and return a pointer.
272 Read_seek takes a pointer PTR to a buffer or NULL and reads SIZE
273 bytes from offset OFFSET. In case of errors CONTEXT is used as
274 error message. */
275
276 static void *
277 read_seek (void *ptr, size_t size, off_t offset, const char *context)
278 {
279 long read_size = 0;
280
281 if (size == 0) /* nothing to read */
282 return ptr;
283
284 if (!ptr)
285 ptr = xmalloc (size);
286
287 if ((tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1)
288 || (read_size = read (tfile_fd, ptr, size)) < 0)
289 {
290 perror (context);
291 exit (1);
292 }
293
294 if (read_size != (long) size)
295 {
296 fprintf (stderr, "%s: read %ld bytes, expected %ld bytes\n",
297 context, read_size, (long) size);
298 exit (1);
299 }
300
301 tfile_offset = offset + size;
302 return ptr;
303 }
304
305 \f
306 /* Convert language code to string format. */
307
308 static const char *
309 lang_to_string (lang_t lang)
310 {
311 switch (lang)
312 {
313 case langC: return "C";
314 case langPascal: return "Pascal";
315 case langFortran: return "Fortran";
316 case langAssembler: return "Assembler";
317 case langMachine: return "Machine";
318 case langNil: return "Nil";
319 case langAda: return "Ada";
320 case langPl1: return "Pl1";
321 case langCobol: return "Cobol";
322 }
323
324 return "Unknown language";
325 }
326
327 \f
328 /* Convert storage class to string. */
329
330 static const char *
331 sc_to_string (sc_t storage_class)
332 {
333 switch(storage_class)
334 {
335 case sc_Nil: return "Nil";
336 case sc_Text: return "Text";
337 case sc_Data: return "Data";
338 case sc_Bss: return "Bss";
339 case sc_Register: return "Register";
340 case sc_Abs: return "Abs";
341 case sc_Undefined: return "Undefined";
342 case sc_CdbLocal: return "CdbLocal";
343 case sc_Bits: return "Bits";
344 case sc_CdbSystem: return "CdbSystem";
345 case sc_RegImage: return "RegImage";
346 case sc_Info: return "Info";
347 case sc_UserStruct: return "UserStruct";
348 case sc_SData: return "SData";
349 case sc_SBss: return "SBss";
350 case sc_RData: return "RData";
351 case sc_Var: return "Var";
352 case sc_Common: return "Common";
353 case sc_SCommon: return "SCommon";
354 case sc_VarRegister: return "VarRegister";
355 case sc_Variant: return "Variant";
356 case sc_SUndefined: return "SUndefined";
357 case sc_Init: return "Init";
358 case sc_Max: return "Max";
359 }
360
361 return "???";
362 }
363
364 \f
365 /* Convert symbol type to string. */
366
367 static const char *
368 st_to_string (st_t symbol_type)
369 {
370 switch(symbol_type)
371 {
372 case st_Nil: return "Nil";
373 case st_Global: return "Global";
374 case st_Static: return "Static";
375 case st_Param: return "Param";
376 case st_Local: return "Local";
377 case st_Label: return "Label";
378 case st_Proc: return "Proc";
379 case st_Block: return "Block";
380 case st_End: return "End";
381 case st_Member: return "Member";
382 case st_Typedef: return "Typedef";
383 case st_File: return "File";
384 case st_RegReloc: return "RegReloc";
385 case st_Forward: return "Forward";
386 case st_StaticProc: return "StaticProc";
387 case st_Constant: return "Constant";
388 case st_StaParam: return "StaticParam";
389 #ifdef stStruct
390 case st_Struct: return "Struct";
391 case st_Union: return "Union";
392 case st_Enum: return "Enum";
393 #endif
394 case st_Str: return "String";
395 case st_Number: return "Number";
396 case st_Expr: return "Expr";
397 case st_Type: return "Type";
398 case st_Max: return "Max";
399 }
400
401 return "???";
402 }
403
404 \f
405 /* Convert debug level to string. */
406
407 static const char *
408 glevel_to_string (glevel_t g_level)
409 {
410 switch(g_level)
411 {
412 case GLEVEL_0: return "G0";
413 case GLEVEL_1: return "G1";
414 case GLEVEL_2: return "G2";
415 case GLEVEL_3: return "G3";
416 }
417
418 return "??";
419 }
420
421 \f
422 /* Convert the type information to string format. */
423
424 static const char *
425 type_to_string (AUXU *aux_ptr, int index, FDR *fdp)
426 {
427 AUXU u;
428 struct qual {
429 tq_t type;
430 int low_bound;
431 int high_bound;
432 int stride;
433 } qualifiers[7];
434
435 bt_t basic_type;
436 int i;
437 static char buffer1[1024];
438 static char buffer2[1024];
439 char *p1 = buffer1;
440 char *p2 = buffer2;
441 char *used_ptr = aux_used + (aux_ptr - aux_symbols);
442
443 for (i = 0; i < 7; i++)
444 {
445 qualifiers[i].low_bound = 0;
446 qualifiers[i].high_bound = 0;
447 qualifiers[i].stride = 0;
448 }
449
450 used_ptr[index] = 1;
451 u = aux_ptr[index++];
452 if (u.isym == -1)
453 return "-1 (no type)";
454
455 basic_type = (bt_t) u.ti.bt;
456 qualifiers[0].type = (tq_t) u.ti.tq0;
457 qualifiers[1].type = (tq_t) u.ti.tq1;
458 qualifiers[2].type = (tq_t) u.ti.tq2;
459 qualifiers[3].type = (tq_t) u.ti.tq3;
460 qualifiers[4].type = (tq_t) u.ti.tq4;
461 qualifiers[5].type = (tq_t) u.ti.tq5;
462 qualifiers[6].type = tq_Nil;
463
464 /*
465 * Go get the basic type.
466 */
467 switch (basic_type)
468 {
469 case bt_Nil: /* undefined */
470 strcpy (p1, "nil");
471 break;
472
473 case bt_Adr: /* address - integer same size as pointer */
474 strcpy (p1, "address");
475 break;
476
477 case bt_Char: /* character */
478 strcpy (p1, "char");
479 break;
480
481 case bt_UChar: /* unsigned character */
482 strcpy (p1, "unsigned char");
483 break;
484
485 case bt_Short: /* short */
486 strcpy (p1, "short");
487 break;
488
489 case bt_UShort: /* unsigned short */
490 strcpy (p1, "unsigned short");
491 break;
492
493 case bt_Int: /* int */
494 strcpy (p1, "int");
495 break;
496
497 case bt_UInt: /* unsigned int */
498 strcpy (p1, "unsigned int");
499 break;
500
501 case bt_Long: /* long */
502 strcpy (p1, "long");
503 break;
504
505 case bt_ULong: /* unsigned long */
506 strcpy (p1, "unsigned long");
507 break;
508
509 case bt_Float: /* float (real) */
510 strcpy (p1, "float");
511 break;
512
513 case bt_Double: /* Double (real) */
514 strcpy (p1, "double");
515 break;
516
517 /* Structures add 1-2 aux words:
518 1st word is [ST_RFDESCAPE, offset] pointer to struct def;
519 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
520
521 case bt_Struct: /* Structure (Record) */
522 emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "struct", fdp);
523 used_ptr[index] = 1;
524 if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
525 used_ptr[++index] = 1;
526
527 index++; /* skip aux words */
528 break;
529
530 /* Unions add 1-2 aux words:
531 1st word is [ST_RFDESCAPE, offset] pointer to union def;
532 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
533
534 case bt_Union: /* Union */
535 emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "union", fdp);
536 used_ptr[index] = 1;
537 if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
538 used_ptr[++index] = 1;
539
540 index++; /* skip aux words */
541 break;
542
543 /* Enumerations add 1-2 aux words:
544 1st word is [ST_RFDESCAPE, offset] pointer to enum def;
545 2nd word is file index if 1st word rfd is ST_RFDESCAPE. */
546
547 case bt_Enum: /* Enumeration */
548 emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "enum", fdp);
549 used_ptr[index] = 1;
550 if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
551 used_ptr[++index] = 1;
552
553 index++; /* skip aux words */
554 break;
555
556 case bt_Typedef: /* defined via a typedef, isymRef points */
557 strcpy (p1, "typedef");
558 break;
559
560 case bt_Range: /* subrange of int */
561 strcpy (p1, "subrange");
562 break;
563
564 case bt_Set: /* pascal sets */
565 strcpy (p1, "set");
566 break;
567
568 case bt_Complex: /* fortran complex */
569 strcpy (p1, "complex");
570 break;
571
572 case bt_DComplex: /* fortran double complex */
573 strcpy (p1, "double complex");
574 break;
575
576 case bt_Indirect: /* forward or unnamed typedef */
577 strcpy (p1, "forward/unnamed typedef");
578 break;
579
580 case bt_FixedDec: /* Fixed Decimal */
581 strcpy (p1, "fixed decimal");
582 break;
583
584 case bt_FloatDec: /* Float Decimal */
585 strcpy (p1, "float decimal");
586 break;
587
588 case bt_String: /* Varying Length Character String */
589 strcpy (p1, "string");
590 break;
591
592 case bt_Bit: /* Aligned Bit String */
593 strcpy (p1, "bit");
594 break;
595
596 case bt_Picture: /* Picture */
597 strcpy (p1, "picture");
598 break;
599
600 case bt_Void: /* Void */
601 strcpy (p1, "void");
602 break;
603
604 default:
605 sprintf (p1, "Unknown basic type %d", (int) basic_type);
606 break;
607 }
608
609 p1 += strlen (buffer1);
610
611 /*
612 * If this is a bitfield, get the bitsize.
613 */
614 if (u.ti.fBitfield)
615 {
616 int bitsize;
617
618 used_ptr[index] = 1;
619 bitsize = aux_ptr[index++].width;
620 sprintf (p1, " : %d", bitsize);
621 p1 += strlen (buffer1);
622 }
623
624
625 /*
626 * Deal with any qualifiers.
627 */
628 if (qualifiers[0].type != tq_Nil)
629 {
630 /*
631 * Snarf up any array bounds in the correct order. Arrays
632 * store 5 successive words in the aux. table:
633 * word 0 RNDXR to type of the bounds (i.e., int)
634 * word 1 Current file descriptor index
635 * word 2 low bound
636 * word 3 high bound (or -1 if [])
637 * word 4 stride size in bits
638 */
639 for (i = 0; i < 7; i++)
640 {
641 if (qualifiers[i].type == tq_Array)
642 {
643 qualifiers[i].low_bound = aux_ptr[index+2].dnLow;
644 qualifiers[i].high_bound = aux_ptr[index+3].dnHigh;
645 qualifiers[i].stride = aux_ptr[index+4].width;
646 used_ptr[index] = 1;
647 used_ptr[index+1] = 1;
648 used_ptr[index+2] = 1;
649 used_ptr[index+3] = 1;
650 used_ptr[index+4] = 1;
651 index += 5;
652 }
653 }
654
655 /*
656 * Now print out the qualifiers.
657 */
658 for (i = 0; i < 6; i++)
659 {
660 switch (qualifiers[i].type)
661 {
662 case tq_Nil:
663 case tq_Max:
664 break;
665
666 case tq_Ptr:
667 strcpy (p2, "ptr to ");
668 p2 += sizeof ("ptr to ")-1;
669 break;
670
671 case tq_Vol:
672 strcpy (p2, "volatile ");
673 p2 += sizeof ("volatile ")-1;
674 break;
675
676 case tq_Far:
677 strcpy (p2, "far ");
678 p2 += sizeof ("far ")-1;
679 break;
680
681 case tq_Proc:
682 strcpy (p2, "func. ret. ");
683 p2 += sizeof ("func. ret. ");
684 break;
685
686 case tq_Array:
687 {
688 int first_array = i;
689 int j;
690
691 /* Print array bounds reversed (i.e., in the order the C
692 programmer writes them). C is such a fun language.... */
693
694 while (i < 5 && qualifiers[i+1].type == tq_Array)
695 i++;
696
697 for (j = i; j >= first_array; j--)
698 {
699 strcpy (p2, "array [");
700 p2 += sizeof ("array [")-1;
701 if (qualifiers[j].low_bound != 0)
702 sprintf (p2,
703 "%ld:%ld {%ld bits}",
704 (long) qualifiers[j].low_bound,
705 (long) qualifiers[j].high_bound,
706 (long) qualifiers[j].stride);
707
708 else if (qualifiers[j].high_bound != -1)
709 sprintf (p2,
710 "%ld {%ld bits}",
711 (long) (qualifiers[j].high_bound + 1),
712 (long) (qualifiers[j].stride));
713
714 else
715 sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride));
716
717 p2 += strlen (p2);
718 strcpy (p2, "] of ");
719 p2 += sizeof ("] of ")-1;
720 }
721 }
722 break;
723 }
724 }
725 }
726
727 strcpy (p2, buffer1);
728 return buffer2;
729 }
730
731 \f
732 /* Print out the global file header for object files. */
733
734 static void
735 print_global_hdr (struct filehdr *ptr)
736 {
737 char *time = ctime ((time_t *)&ptr->f_timdat);
738 ushort flags = ptr->f_flags;
739
740 printf("Global file header:\n");
741 printf(" %-*s 0x%x\n", 24, "magic number", (ushort) ptr->f_magic);
742 printf(" %-*s %d\n", 24, "# sections", (int) ptr->f_nscns);
743 printf(" %-*s %ld, %s", 24, "timestamp", (long) ptr->f_timdat, time);
744 printf(" %-*s %ld\n", 24, "symbolic header offset", (long) ptr->f_symptr);
745 printf(" %-*s %ld\n", 24, "symbolic header size", (long) ptr->f_nsyms);
746 printf(" %-*s %ld\n", 24, "optional header", (long) ptr->f_opthdr);
747 printf(" %-*s 0x%x", 24, "flags", (ushort) flags);
748
749 if ((flags & F_RELFLG) != 0)
750 printf (", F_RELFLG");
751
752 if ((flags & F_EXEC) != 0)
753 printf (", F_EXEC");
754
755 if ((flags & F_LNNO) != 0)
756 printf (", F_LNNO");
757
758 if ((flags & F_LSYMS) != 0)
759 printf (", F_LSYMS");
760
761 if ((flags & F_MINMAL) != 0)
762 printf (", F_MINMAL");
763
764 if ((flags & F_UPDATE) != 0)
765 printf (", F_UPDATE");
766
767 if ((flags & F_SWABD) != 0)
768 printf (", F_SWABD");
769
770 if ((flags & F_AR16WR) != 0)
771 printf (", F_AR16WR");
772
773 if ((flags & F_AR32WR) != 0)
774 printf (", F_AR32WR");
775
776 if ((flags & F_AR32W) != 0)
777 printf (", F_AR32W");
778
779 if ((flags & F_PATCH) != 0)
780 printf (", F_PATCH/F_NODF");
781
782 printf ("\n\n");
783 }
784
785 \f
786 /* Print out the symbolic header. */
787
788 static void
789 print_sym_hdr (HDRR *sym_ptr)
790 {
791 int width = 20;
792
793 printf("Symbolic header, magic number = 0x%04x, vstamp = %d.%d:\n\n",
794 sym_ptr->magic & 0xffff,
795 (sym_ptr->vstamp & 0xffff) >> 8,
796 sym_ptr->vstamp & 0xff);
797
798 printf(" %-*s %11s %11s %11s\n", width, "Info", "Offset", "Number", "Bytes");
799 printf(" %-*s %11s %11s %11s\n", width, "====", "======", "======", "=====\n");
800
801 printf(" %-*s %11ld %11ld %11ld [%d]\n", width, "Line numbers",
802 (long) sym_ptr->cbLineOffset,
803 (long) sym_ptr->cbLine,
804 (long) sym_ptr->cbLine,
805 (int) sym_ptr->ilineMax);
806
807 printf(" %-*s %11ld %11ld %11ld\n", width, "Dense numbers",
808 (long) sym_ptr->cbDnOffset,
809 (long) sym_ptr->idnMax,
810 (long) (sym_ptr->idnMax * sizeof (DNR)));
811
812 printf(" %-*s %11ld %11ld %11ld\n", width, "Procedures Tables",
813 (long) sym_ptr->cbPdOffset,
814 (long) sym_ptr->ipdMax,
815 (long) (sym_ptr->ipdMax * sizeof (PDR)));
816
817 printf(" %-*s %11ld %11ld %11ld\n", width, "Local Symbols",
818 (long) sym_ptr->cbSymOffset,
819 (long) sym_ptr->isymMax,
820 (long) (sym_ptr->isymMax * sizeof (SYMR)));
821
822 printf(" %-*s %11ld %11ld %11ld\n", width, "Optimization Symbols",
823 (long) sym_ptr->cbOptOffset,
824 (long) sym_ptr->ioptMax,
825 (long) (sym_ptr->ioptMax * sizeof (OPTR)));
826
827 printf(" %-*s %11ld %11ld %11ld\n", width, "Auxiliary Symbols",
828 (long) sym_ptr->cbAuxOffset,
829 (long) sym_ptr->iauxMax,
830 (long) (sym_ptr->iauxMax * sizeof (AUXU)));
831
832 printf(" %-*s %11ld %11ld %11ld\n", width, "Local Strings",
833 (long) sym_ptr->cbSsOffset,
834 (long) sym_ptr->issMax,
835 (long) sym_ptr->issMax);
836
837 printf(" %-*s %11ld %11ld %11ld\n", width, "External Strings",
838 (long) sym_ptr->cbSsExtOffset,
839 (long) sym_ptr->issExtMax,
840 (long) sym_ptr->issExtMax);
841
842 printf(" %-*s %11ld %11ld %11ld\n", width, "File Tables",
843 (long) sym_ptr->cbFdOffset,
844 (long) sym_ptr->ifdMax,
845 (long) (sym_ptr->ifdMax * sizeof (FDR)));
846
847 printf(" %-*s %11ld %11ld %11ld\n", width, "Relative Files",
848 (long) sym_ptr->cbRfdOffset,
849 (long) sym_ptr->crfd,
850 (long) (sym_ptr->crfd * sizeof (ulong)));
851
852 printf(" %-*s %11ld %11ld %11ld\n", width, "External Symbols",
853 (long) sym_ptr->cbExtOffset,
854 (long) sym_ptr->iextMax,
855 (long) (sym_ptr->iextMax * sizeof (EXTR)));
856 }
857
858 \f
859 /* Print out a symbol. */
860
861 static void
862 print_symbol (SYMR *sym_ptr, int number, const char *strbase, AUXU *aux_base,
863 int ifd, FDR *fdp)
864 {
865 sc_t storage_class = (sc_t) sym_ptr->sc;
866 st_t symbol_type = (st_t) sym_ptr->st;
867 ulong index = sym_ptr->index;
868 char *used_ptr = aux_used + (aux_base - aux_symbols);
869 scope_t *scope_ptr;
870
871 printf ("\n Symbol# %d: \"%s\"\n", number, sym_ptr->iss + strbase);
872
873 if (aux_base != (AUXU *) 0 && index != indexNil)
874 switch (symbol_type)
875 {
876 case st_Nil:
877 case st_Label:
878 break;
879
880 case st_File:
881 case st_Block:
882 printf (" End+1 symbol: %ld\n", index);
883 if (want_scope)
884 {
885 if (free_scope == (scope_t *) 0)
886 scope_ptr = (scope_t *) xmalloc (sizeof (scope_t));
887 else
888 {
889 scope_ptr = free_scope;
890 free_scope = scope_ptr->prev;
891 }
892 scope_ptr->open_sym = number;
893 scope_ptr->st = symbol_type;
894 scope_ptr->sc = storage_class;
895 scope_ptr->prev = cur_scope;
896 cur_scope = scope_ptr;
897 }
898 break;
899
900 case st_End:
901 if (storage_class == sc_Text || storage_class == sc_Info)
902 printf (" First symbol: %ld\n", index);
903 else
904 {
905 used_ptr[index] = 1;
906 printf (" First symbol: %ld\n", (long) aux_base[index].isym);
907 }
908
909 if (want_scope)
910 {
911 if (cur_scope == (scope_t *) 0)
912 printf (" Can't pop end scope\n");
913 else
914 {
915 scope_ptr = cur_scope;
916 cur_scope = scope_ptr->prev;
917 scope_ptr->prev = free_scope;
918 free_scope = scope_ptr;
919 }
920 }
921 break;
922
923 case st_Proc:
924 case st_StaticProc:
925 if (MIPS_IS_STAB(sym_ptr))
926 ;
927 else if (ifd == -1) /* local symbol */
928 {
929 used_ptr[index] = used_ptr[index+1] = 1;
930 printf (" End+1 symbol: %-7ld Type: %s\n",
931 (long) aux_base[index].isym,
932 type_to_string (aux_base, index+1, fdp));
933 }
934 else /* global symbol */
935 printf (" Local symbol: %ld\n", index);
936
937 if (want_scope)
938 {
939 if (free_scope == (scope_t *) 0)
940 scope_ptr = (scope_t *) xmalloc (sizeof (scope_t));
941 else
942 {
943 scope_ptr = free_scope;
944 free_scope = scope_ptr->prev;
945 }
946 scope_ptr->open_sym = number;
947 scope_ptr->st = symbol_type;
948 scope_ptr->sc = storage_class;
949 scope_ptr->prev = cur_scope;
950 cur_scope = scope_ptr;
951 }
952 break;
953
954 #ifdef stStruct
955 case st_Struct:
956 case st_Union:
957 case st_Enum:
958 printf (" End+1 symbol: %lu\n", index);
959 break;
960 #endif
961
962 default:
963 if (!MIPS_IS_STAB (sym_ptr))
964 {
965 used_ptr[index] = 1;
966 printf (" Type: %s\n",
967 type_to_string (aux_base, index, fdp));
968 }
969 break;
970 }
971
972 if (want_scope)
973 {
974 printf (" Scopes: ");
975 if (cur_scope == (scope_t *) 0)
976 printf (" none\n");
977 else
978 {
979 for (scope_ptr = cur_scope;
980 scope_ptr != (scope_t *) 0;
981 scope_ptr = scope_ptr->prev)
982 {
983 const char *sclass;
984 if (scope_ptr->st == st_Proc || scope_ptr->st == st_StaticProc)
985 sclass = "func.";
986 else if (scope_ptr->st == st_File)
987 sclass = "file";
988 else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Text)
989 sclass = "block";
990 else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Info)
991 sclass = "type";
992 else
993 sclass = "???";
994
995 printf (" %ld [%s]", scope_ptr->open_sym, sclass);
996 }
997 printf ("\n");
998 }
999 }
1000
1001 printf (" Value: %-13ld ",
1002 (long)sym_ptr->value);
1003 if (ifd == -1)
1004 printf ("String index: %ld\n", (long)sym_ptr->iss);
1005 else
1006 printf ("String index: %-11ld Ifd: %d\n",
1007 (long)sym_ptr->iss, ifd);
1008
1009 printf (" Symbol type: %-11sStorage class: %-11s",
1010 st_to_string (symbol_type), sc_to_string (storage_class));
1011
1012 if (MIPS_IS_STAB(sym_ptr))
1013 {
1014 int i = ARRAY_SIZE (stab_names);
1015 const char *stab_name = "stab";
1016 short code = MIPS_UNMARK_STAB(sym_ptr->index);
1017
1018 while (--i >= 0)
1019 if (stab_names[i].code == code)
1020 {
1021 stab_name = stab_names[i].string;
1022 break;
1023 }
1024 printf ("Index: 0x%lx (%s)\n", (long)sym_ptr->index, stab_name);
1025 }
1026 else if (sym_ptr->st == stLabel && sym_ptr->index != indexNil)
1027 printf ("Index: %ld (line#)\n", (long)sym_ptr->index);
1028 else
1029 printf ("Index: %ld\n", (long)sym_ptr->index);
1030
1031 }
1032
1033 \f
1034 /* Print out a word from the aux. table in various formats. */
1035
1036 static void
1037 print_aux (AUXU u, int auxi, int used)
1038 {
1039 printf ("\t%s#%-5d %11ld, [%4ld/%7ld], [%2d %1d:%1d %1x:%1x:%1x:%1x:%1x:%1x]\n",
1040 (used) ? " " : "* ",
1041 auxi,
1042 (long) u.isym,
1043 (long) u.rndx.rfd,
1044 (long) u.rndx.index,
1045 u.ti.bt,
1046 u.ti.fBitfield,
1047 u.ti.continued,
1048 u.ti.tq0,
1049 u.ti.tq1,
1050 u.ti.tq2,
1051 u.ti.tq3,
1052 u.ti.tq4,
1053 u.ti.tq5);
1054 }
1055
1056 \f
1057 /* Write aggregate information to a string. */
1058
1059 static void
1060 emit_aggregate (char *string, AUXU u, AUXU u2, const char *which, FDR *fdp)
1061 {
1062 unsigned int ifd = u.rndx.rfd;
1063 unsigned int index = u.rndx.index;
1064 const char *name;
1065
1066 if (ifd == ST_RFDESCAPE)
1067 ifd = u2.isym;
1068
1069 /* An ifd of -1 is an opaque type. An escaped index of 0 is a
1070 struct return type of a procedure compiled without -g. */
1071 if (ifd == 0xffffffff
1072 || (u.rndx.rfd == ST_RFDESCAPE && index == 0))
1073 name = "<undefined>";
1074 else if (index == indexNil)
1075 name = "<no name>";
1076 else
1077 {
1078 if (fdp == 0 || sym_hdr.crfd == 0)
1079 fdp = &file_desc[ifd];
1080 else
1081 fdp = &file_desc[rfile_desc[fdp->rfdBase + ifd]];
1082 name = &l_strings[fdp->issBase + l_symbols[index + fdp->isymBase].iss];
1083 }
1084
1085 sprintf (string,
1086 "%s %s { ifd = %u, index = %u }",
1087 which, name, ifd, index);
1088 }
1089
1090 \f
1091 /* Print out information about a file descriptor, and the symbols,
1092 procedures, and line numbers within it. */
1093
1094 static void
1095 print_file_desc (FDR *fdp, int number)
1096 {
1097 char *str_base;
1098 AUXU *aux_base;
1099 int symi, pdi;
1100 int width = 20;
1101 char *used_base;
1102
1103 str_base = l_strings + fdp->issBase;
1104 aux_base = aux_symbols + fdp->iauxBase;
1105 used_base = aux_used + (aux_base - aux_symbols);
1106
1107 printf ("\nFile #%d, \"%s\"\n\n",
1108 number,
1109 fdp->rss != issNil ? str_base + fdp->rss : "<unknown>");
1110
1111 printf (" Name index = %-10ld Readin = %s\n",
1112 (long) fdp->rss, (fdp->fReadin) ? "Yes" : "No");
1113
1114 printf (" Merge = %-10s Endian = %s\n",
1115 (fdp->fMerge) ? "Yes" : "No",
1116 (fdp->fBigendian) ? "BIG" : "LITTLE");
1117
1118 printf (" Debug level = %-10s Language = %s\n",
1119 glevel_to_string ((glevel_t) fdp->glevel),
1120 lang_to_string((lang_t) fdp->lang));
1121
1122 printf (" Adr = 0x%08lx\n\n", (long) fdp->adr);
1123
1124 printf(" %-*s %11s %11s %11s %11s\n", width, "Info", "Start", "Number", "Size", "Offset");
1125 printf(" %-*s %11s %11s %11s %11s\n", width, "====", "=====", "======", "====", "======");
1126
1127 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1128 width, "Local strings",
1129 (ulong) fdp->issBase,
1130 (ulong) fdp->cbSs,
1131 (ulong) fdp->cbSs,
1132 (ulong) (fdp->issBase + sym_hdr.cbSsOffset));
1133
1134 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1135 width, "Local symbols",
1136 (ulong) fdp->isymBase,
1137 (ulong) fdp->csym,
1138 (ulong) (fdp->csym * sizeof (SYMR)),
1139 (ulong) (fdp->isymBase * sizeof (SYMR) + sym_hdr.cbSymOffset));
1140
1141 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1142 width, "Line numbers",
1143 (ulong) fdp->cbLineOffset,
1144 (ulong) fdp->cline,
1145 (ulong) fdp->cbLine,
1146 (ulong) (fdp->cbLineOffset + sym_hdr.cbLineOffset));
1147
1148 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1149 width, "Optimization symbols",
1150 (ulong) fdp->ioptBase,
1151 (ulong) fdp->copt,
1152 (ulong) (fdp->copt * sizeof (OPTR)),
1153 (ulong) (fdp->ioptBase * sizeof (OPTR) + sym_hdr.cbOptOffset));
1154
1155 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1156 width, "Procedures",
1157 (ulong) fdp->ipdFirst,
1158 (ulong) fdp->cpd,
1159 (ulong) (fdp->cpd * sizeof (PDR)),
1160 (ulong) (fdp->ipdFirst * sizeof (PDR) + sym_hdr.cbPdOffset));
1161
1162 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1163 width, "Auxiliary symbols",
1164 (ulong) fdp->iauxBase,
1165 (ulong) fdp->caux,
1166 (ulong) (fdp->caux * sizeof (AUXU)),
1167 (ulong) (fdp->iauxBase * sizeof(AUXU) + sym_hdr.cbAuxOffset));
1168
1169 printf(" %-*s %11lu %11lu %11lu %11lu\n",
1170 width, "Relative Files",
1171 (ulong) fdp->rfdBase,
1172 (ulong) fdp->crfd,
1173 (ulong) (fdp->crfd * sizeof (ulong)),
1174 (ulong) (fdp->rfdBase * sizeof(ulong) + sym_hdr.cbRfdOffset));
1175
1176
1177 if (want_scope && cur_scope != (scope_t *) 0)
1178 printf ("\n Warning scope does not start at 0!\n");
1179
1180 /*
1181 * print the info about the symbol table.
1182 */
1183 printf ("\n There are %lu local symbols, starting at %lu\n",
1184 (ulong) fdp->csym,
1185 (ulong) (fdp->isymBase + sym_hdr.cbSymOffset));
1186
1187 for(symi = fdp->isymBase; symi < (fdp->csym + fdp->isymBase); symi++)
1188 print_symbol (&l_symbols[symi],
1189 symi - fdp->isymBase,
1190 str_base,
1191 aux_base,
1192 -1,
1193 fdp);
1194
1195 if (want_scope && cur_scope != (scope_t *) 0)
1196 printf ("\n Warning scope does not end at 0!\n");
1197
1198 /*
1199 * print the aux. table if desired.
1200 */
1201
1202 if (want_aux && fdp->caux != 0)
1203 {
1204 int auxi;
1205
1206 printf ("\n There are %lu auxiliary table entries, starting at %lu.\n\n",
1207 (ulong) fdp->caux,
1208 (ulong) (fdp->iauxBase + sym_hdr.cbAuxOffset));
1209
1210 for (auxi = fdp->iauxBase; auxi < (fdp->caux + fdp->iauxBase); auxi++)
1211 print_aux (aux_base[auxi], auxi, used_base[auxi]);
1212 }
1213
1214 /*
1215 * print the relative file descriptors.
1216 */
1217 if (want_rfd && fdp->crfd != 0)
1218 {
1219 ulong *rfd_ptr, i;
1220
1221 printf ("\n There are %lu relative file descriptors, starting at %lu.\n",
1222 (ulong) fdp->crfd,
1223 (ulong) fdp->rfdBase);
1224
1225 rfd_ptr = rfile_desc + fdp->rfdBase;
1226 for (i = 0; i < (ulong) fdp->crfd; i++)
1227 {
1228 printf ("\t#%-5ld %11ld, 0x%08lx\n", i, *rfd_ptr, *rfd_ptr);
1229 rfd_ptr++;
1230 }
1231 }
1232
1233 /*
1234 * do the procedure descriptors.
1235 */
1236 printf ("\n There are %lu procedure descriptor entries, ", (ulong) fdp->cpd);
1237 printf ("starting at %lu.\n", (ulong) fdp->ipdFirst);
1238
1239 for (pdi = fdp->ipdFirst; pdi < (fdp->cpd + fdp->ipdFirst); pdi++)
1240 {
1241 PDR *proc_ptr = &proc_desc[pdi];
1242 printf ("\n\tProcedure descriptor %d:\n", (pdi - fdp->ipdFirst));
1243
1244 if (l_symbols != 0)
1245 printf ("\t Name index = %-11ld Name = \"%s\"\n",
1246 (long) l_symbols[proc_ptr->isym + fdp->isymBase].iss,
1247 l_symbols[proc_ptr->isym + fdp->isymBase].iss + str_base);
1248
1249 printf ("\t .mask 0x%08lx,%-9ld .fmask 0x%08lx,%ld\n",
1250 (long) proc_ptr->regmask,
1251 (long) proc_ptr->regoffset,
1252 (long) proc_ptr->fregmask,
1253 (long) proc_ptr->fregoffset);
1254
1255 printf ("\t .frame $%d,%ld,$%d\n",
1256 (int) proc_ptr->framereg,
1257 (long) proc_ptr->frameoffset,
1258 (int) proc_ptr->pcreg);
1259
1260 printf ("\t Opt. start = %-11ld Symbols start = %ld\n",
1261 (long) proc_ptr->iopt,
1262 (long) proc_ptr->isym);
1263
1264 printf ("\t First line # = %-11ld Last line # = %ld\n",
1265 (long) proc_ptr->lnLow,
1266 (long) proc_ptr->lnHigh);
1267
1268 printf ("\t Line Offset = %-11ld Address = 0x%08lx\n",
1269 (long) proc_ptr->cbLineOffset,
1270 (long) proc_ptr->adr);
1271
1272 /*
1273 * print the line number entries.
1274 */
1275
1276 if (want_line && fdp->cline != 0)
1277 {
1278 int delta, count;
1279 long cur_line = proc_ptr->lnLow;
1280 uchar *line_ptr = (((uchar *)lines) + proc_ptr->cbLineOffset
1281 + fdp->cbLineOffset);
1282 uchar *line_end;
1283
1284 if (pdi == fdp->cpd + fdp->ipdFirst - 1) /* last procedure */
1285 line_end = ((uchar *)lines) + fdp->cbLine + fdp->cbLineOffset;
1286 else /* not last proc. */
1287 line_end = (((uchar *)lines) + proc_desc[pdi+1].cbLineOffset
1288 + fdp->cbLineOffset);
1289
1290 printf ("\n\tThere are %lu bytes holding line numbers, starting at %lu.\n",
1291 (ulong) (line_end - line_ptr),
1292 (ulong) (fdp->ilineBase + sym_hdr.cbLineOffset));
1293
1294 while (line_ptr < line_end)
1295 { /* sign extend nibble */
1296 delta = ((*line_ptr >> 4) ^ 0x8) - 0x8;
1297 count = (*line_ptr & 0xf) + 1;
1298 if (delta != -8)
1299 line_ptr++;
1300 else
1301 {
1302 delta = (((line_ptr[1]) & 0xff) << 8) + ((line_ptr[2]) & 0xff);
1303 delta = (delta ^ 0x8000) - 0x8000;
1304 line_ptr += 3;
1305 }
1306
1307 cur_line += delta;
1308 printf ("\t Line %11ld, delta %5d, count %2d\n",
1309 cur_line,
1310 delta,
1311 count);
1312 }
1313 }
1314 }
1315 }
1316
1317 \f
1318 /* Read in the portions of the .T file that we will print out. */
1319
1320 static void
1321 read_tfile (void)
1322 {
1323 short magic;
1324 off_t sym_hdr_offset = 0;
1325
1326 read_seek (&magic, sizeof (magic), 0, "Magic number");
1327 if (!tfile)
1328 {
1329 /* Print out the global header, since this is not a T-file. */
1330
1331 read_seek (&global_hdr, sizeof (global_hdr), 0, "Global file header");
1332
1333 print_global_hdr (&global_hdr);
1334
1335 if (global_hdr.f_symptr == 0)
1336 {
1337 printf ("No symbolic header, Goodbye!\n");
1338 exit (1);
1339 }
1340
1341 sym_hdr_offset = global_hdr.f_symptr;
1342 }
1343
1344 read_seek (&sym_hdr, sizeof (sym_hdr), sym_hdr_offset, "Symbolic header");
1345
1346 print_sym_hdr (&sym_hdr);
1347
1348 lines = (LINER *) read_seek (NULL, sym_hdr.cbLine, sym_hdr.cbLineOffset,
1349 "Line numbers");
1350
1351 dense_nums = (DNR *) read_seek (NULL, sym_hdr.idnMax * sizeof (DNR),
1352 sym_hdr.cbDnOffset, "Dense numbers");
1353
1354 proc_desc = (PDR *) read_seek (NULL, sym_hdr.ipdMax * sizeof (PDR),
1355 sym_hdr.cbPdOffset, "Procedure tables");
1356
1357 l_symbols = (SYMR *) read_seek (NULL, sym_hdr.isymMax * sizeof (SYMR),
1358 sym_hdr.cbSymOffset, "Local symbols");
1359
1360 opt_symbols = (OPTR *) read_seek (NULL, sym_hdr.ioptMax * sizeof (OPTR),
1361 sym_hdr.cbOptOffset,
1362 "Optimization symbols");
1363
1364 aux_symbols = (AUXU *) read_seek (NULL, sym_hdr.iauxMax * sizeof (AUXU),
1365 sym_hdr.cbAuxOffset, "Auxiliary symbols");
1366
1367 if (sym_hdr.iauxMax > 0)
1368 aux_used = (char *) xcalloc (sym_hdr.iauxMax, 1);
1369
1370 l_strings = (char *) read_seek (NULL, sym_hdr.issMax,
1371 sym_hdr.cbSsOffset, "Local string table");
1372
1373 e_strings = (char *) read_seek (NULL, sym_hdr.issExtMax,
1374 sym_hdr.cbSsExtOffset,
1375 "External string table");
1376
1377 file_desc = (FDR *) read_seek (NULL, sym_hdr.ifdMax * sizeof (FDR),
1378 sym_hdr.cbFdOffset, "File tables");
1379
1380 rfile_desc = (ulong *) read_seek (NULL, sym_hdr.crfd * sizeof (ulong),
1381 sym_hdr.cbRfdOffset,
1382 "Relative file tables");
1383
1384 e_symbols = (EXTR *) read_seek (NULL, sym_hdr.iextMax * sizeof (EXTR),
1385 sym_hdr.cbExtOffset, "External symbols");
1386 }
1387
1388 \f
1389
1390 extern int main (int, char **);
1391
1392 int
1393 main (int argc, char **argv)
1394 {
1395 int i, opt;
1396
1397 /*
1398 * Process arguments
1399 */
1400 while ((opt = getopt_long (argc, argv, "alrsvt", options, NULL)) != -1)
1401 switch (opt)
1402 {
1403 default: errors++; break;
1404 case 'a': want_aux++; break; /* print aux table */
1405 case 'l': want_line++; break; /* print line numbers */
1406 case 'r': want_rfd++; break; /* print relative fd's */
1407 case 's': want_scope++; break; /* print scope info */
1408 case 'v': verbose++; break; /* print version # */
1409 case 'V': version++; break; /* print version # */
1410 case 't': tfile++; break; /* this is a tfile (without header),
1411 and not a .o */
1412 }
1413
1414 if (version)
1415 {
1416 printf ("mips-tdump %s%s\n", pkgversion_string, version_string);
1417 fputs ("Copyright (C) 2011 Free Software Foundation, Inc.\n", stdout);
1418 fputs ("This is free software; see the source for copying conditions. There is NO\n\
1419 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n",
1420 stdout);
1421 exit (0);
1422 }
1423
1424 if (optind != argc - 1)
1425 errors++;
1426
1427 if (verbose || errors)
1428 {
1429 fprintf (stderr, "mips-tdump (GCC) %s", version_string);
1430 #ifdef TARGET_VERSION
1431 TARGET_VERSION;
1432 #endif
1433 fputc ('\n', stderr);
1434 }
1435
1436 if (errors)
1437 {
1438 fprintf (stderr, "Calling Sequence:\n");
1439 fprintf (stderr, "\t%s [-alrst] <object-or-T-file>\n", argv[0]);
1440 fprintf (stderr, "\n");
1441 fprintf (stderr, "switches:\n");
1442 fprintf (stderr, "\t-a Print out auxiliary table.\n");
1443 fprintf (stderr, "\t-l Print out line numbers.\n");
1444 fprintf (stderr, "\t-r Print out relative file descriptors.\n");
1445 fprintf (stderr, "\t-s Print out the current scopes for an item.\n");
1446 fprintf (stderr, "\t-t Assume there is no global header (ie, a T-file).\n");
1447 fprintf (stderr, "\t-v Print program version.\n");
1448 return 1;
1449 }
1450
1451 /*
1452 * Open and process the input file.
1453 */
1454 tfile_fd = open (argv[optind], O_RDONLY);
1455 if (tfile_fd < 0)
1456 {
1457 perror (argv[optind]);
1458 return 1;
1459 }
1460
1461 read_tfile ();
1462
1463 /*
1464 * Print any global aux words if any.
1465 */
1466 if (want_aux)
1467 {
1468 long last_aux_in_use;
1469
1470 if (sym_hdr.ifdMax != 0 && file_desc[0].iauxBase != 0)
1471 {
1472 printf ("\nGlobal auxiliary entries before first file:\n");
1473 for (i = 0; i < file_desc[0].iauxBase; i++)
1474 print_aux (aux_symbols[i], 0, aux_used[i]);
1475 }
1476
1477 if (sym_hdr.ifdMax == 0)
1478 last_aux_in_use = 0;
1479 else
1480 last_aux_in_use
1481 = (file_desc[sym_hdr.ifdMax-1].iauxBase
1482 + file_desc[sym_hdr.ifdMax-1].caux - 1);
1483
1484 if (last_aux_in_use < sym_hdr.iauxMax-1)
1485 {
1486 printf ("\nGlobal auxiliary entries after last file:\n");
1487 for (i = last_aux_in_use; i < sym_hdr.iauxMax; i++)
1488 print_aux (aux_symbols[i], i - last_aux_in_use, aux_used[i]);
1489 }
1490 }
1491
1492 /*
1493 * Print the information for each file.
1494 */
1495 for (i = 0; i < sym_hdr.ifdMax; i++)
1496 print_file_desc (&file_desc[i], i);
1497
1498 /*
1499 * Print the external symbols.
1500 */
1501 want_scope = 0; /* scope info is meaning for extern symbols */
1502 printf ("\nThere are %lu external symbols, starting at %lu\n",
1503 (ulong) sym_hdr.iextMax,
1504 (ulong) sym_hdr.cbExtOffset);
1505
1506 for(i = 0; i < sym_hdr.iextMax; i++)
1507 print_symbol (&e_symbols[i].asym, i, e_strings,
1508 aux_symbols + file_desc[e_symbols[i].ifd].iauxBase,
1509 e_symbols[i].ifd,
1510 &file_desc[e_symbols[i].ifd]);
1511
1512 /*
1513 * Print unused aux symbols now.
1514 */
1515
1516 if (want_aux)
1517 {
1518 int first_time = 1;
1519
1520 for (i = 0; i < sym_hdr.iauxMax; i++)
1521 {
1522 if (! aux_used[i])
1523 {
1524 if (first_time)
1525 {
1526 printf ("\nThe following auxiliary table entries were unused:\n\n");
1527 first_time = 0;
1528 }
1529
1530 printf (" #%-5d %11ld 0x%08lx %s\n",
1531 i,
1532 (long) aux_symbols[i].isym,
1533 (long) aux_symbols[i].isym,
1534 type_to_string (aux_symbols, i, (FDR *) 0));
1535 }
1536 }
1537 }
1538
1539 return 0;
1540 }
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