gcc/mips-tdump.c

   1 /* Read and manage MIPS symbol tables from object modules.
   2    Copyright (C) 1991, 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2003
   3    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 2, 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 COPYING.  If not, write to the Free
  21 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  22 02111-1307, USA.  */
  23
  24 #include "config.h"
  25 #include "system.h"
  26 #include "coretypes.h"
  27 #include "tm.h"
  28 #include "version.h"
  29 #ifdef index
  30 #undef index
  31 #endif
  32 #ifndef CROSS_COMPILE
  33 #include <a.out.h>
  34 #else
  35 #include "mips/a.out.h"
  36 #endif /* CROSS_COMPILE */
  37
  38 /* Include getopt.h for the sake of getopt_long.  */
  39 #include "getopt.h"
  40
  41 #ifndef MIPS_IS_STAB
  42 /* Macros for mips-tfile.c to encapsulate stabs in ECOFF, and for
  43    and mips-tdump.c to print them out.  This is used on the Alpha,
  44    which does not include mips.h.
  45
  46    These must match the corresponding definitions in gdb/mipsread.c.
  47    Unfortunately, gcc and gdb do not currently share any directories.  */
  48
  49 #define CODE_MASK 0x8F300
  50 #define MIPS_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK)
  51 #define MIPS_MARK_STAB(code) ((code)+CODE_MASK)
  52 #define MIPS_UNMARK_STAB(code) ((code)-CODE_MASK)
  53 #endif
  54
  55 #define uchar   unsigned char
  56 #define ushort  unsigned short
  57 #define uint    unsigned int
  58 #define ulong   unsigned long
  59
  60 \f
  61 /* Redefinition of storage classes as an enumeration for better
  62    debugging.  */
  63
  64 #ifndef stStaParam
  65 #define stStaParam      16      /* Fortran static parameters */
  66 #endif
  67
  68 #ifndef btVoid
  69 #define btVoid          26      /* void basic type */
  70 #endif
  71
  72 typedef enum sc {
  73   sc_Nil         = scNil,         /* no storage class */
  74   sc_Text        = scText,        /* text symbol */
  75   sc_Data        = scData,        /* initialized data symbol */
  76   sc_Bss         = scBss,         /* un-initialized data symbol */
  77   sc_Register    = scRegister,    /* value of symbol is register number */
  78   sc_Abs         = scAbs,         /* value of symbol is absolute */
  79   sc_Undefined   = scUndefined,   /* who knows? */
  80   sc_CdbLocal    = scCdbLocal,    /* variable's value is IN se->va.?? */
  81   sc_Bits        = scBits,        /* this is a bit field */
  82   sc_CdbSystem   = scCdbSystem,   /* var's value is IN CDB's address space */
  83   sc_RegImage    = scRegImage,    /* register value saved on stack */
  84   sc_Info        = scInfo,        /* symbol contains debugger information */
  85   sc_UserStruct  = scUserStruct,  /* addr in struct user for current process */
  86   sc_SData       = scSData,       /* load time only small data */
  87   sc_SBss        = scSBss,        /* load time only small common */
  88   sc_RData       = scRData,       /* load time only read only data */
  89   sc_Var         = scVar,         /* Var parameter (fortran,pascal) */
  90   sc_Common      = scCommon,      /* common variable */
  91   sc_SCommon     = scSCommon,     /* small common */
  92   sc_VarRegister = scVarRegister, /* Var parameter in a register */
  93   sc_Variant     = scVariant,     /* Variant record */
  94   sc_SUndefined  = scSUndefined,  /* small undefined(external) data */
  95   sc_Init        = scInit,        /* .init section symbol */
  96   sc_Max         = scMax          /* Max storage class+1 */
  97 } sc_t;
  98
  99 /* Redefinition of symbol type.  */
 100
 101 typedef enum st {
 102   st_Nil        = stNil,        /* Nuthin' special */
 103   st_Global     = stGlobal,     /* external symbol */
 104   st_Static     = stStatic,     /* static */
 105   st_Param      = stParam,      /* procedure argument */
 106   st_Local      = stLocal,      /* local variable */
 107   st_Label      = stLabel,      /* label */
 108   st_Proc       = stProc,       /*     "      "  Procedure */
 109   st_Block      = stBlock,      /* beginning of block */
 110   st_End        = stEnd,        /* end (of anything) */
 111   st_Member     = stMember,     /* member (of anything  - struct/union/enum */
 112   st_Typedef    = stTypedef,    /* type definition */
 113   st_File       = stFile,       /* file name */
 114   st_RegReloc   = stRegReloc,   /* register relocation */
 115   st_Forward    = stForward,    /* forwarding address */
 116   st_StaticProc = stStaticProc, /* load time only static procs */
 117   st_StaParam   = stStaParam,   /* Fortran static parameters */
 118   st_Constant   = stConstant,   /* const */
 119 #ifdef stStruct
 120   st_Struct     = stStruct,     /* struct */
 121   st_Union      = stUnion,      /* union */
 122   st_Enum       = stEnum,       /* enum */
 123 #endif
 124   st_Str        = stStr,        /* string */
 125   st_Number     = stNumber,     /* pure number (ie. 4 NOR 2+2) */
 126   st_Expr       = stExpr,       /* 2+2 vs. 4 */
 127   st_Type       = stType,       /* post-coercion SER */
 128   st_Max        = stMax         /* max type+1 */
 129 } st_t;
 130
 131 /* Redefinition of type qualifiers.  */
 132
 133 typedef enum tq {
 134   tq_Nil        = tqNil,        /* bt is what you see */
 135   tq_Ptr        = tqPtr,        /* pointer */
 136   tq_Proc       = tqProc,       /* procedure */
 137   tq_Array      = tqArray,      /* duh */
 138   tq_Far        = tqFar,        /* longer addressing - 8086/8 land */
 139   tq_Vol        = tqVol,        /* volatile */
 140   tq_Max        = tqMax         /* Max type qualifier+1 */
 141 } tq_t;
 142
 143 /* Redefinition of basic types.  */
 144
 145 typedef enum bt {
 146   bt_Nil        = btNil,        /* undefined */
 147   bt_Adr        = btAdr,        /* address - integer same size as pointer */
 148   bt_Char       = btChar,       /* character */
 149   bt_UChar      = btUChar,      /* unsigned character */
 150   bt_Short      = btShort,      /* short */
 151   bt_UShort     = btUShort,     /* unsigned short */
 152   bt_Int        = btInt,        /* int */
 153   bt_UInt       = btUInt,       /* unsigned int */
 154   bt_Long       = btLong,       /* long */
 155   bt_ULong      = btULong,      /* unsigned long */
 156   bt_Float      = btFloat,      /* float (real) */
 157   bt_Double     = btDouble,     /* Double (real) */
 158   bt_Struct     = btStruct,     /* Structure (Record) */
 159   bt_Union      = btUnion,      /* Union (variant) */
 160   bt_Enum       = btEnum,       /* Enumerated */
 161   bt_Typedef    = btTypedef,    /* defined via a typedef, isymRef points */
 162   bt_Range      = btRange,      /* subrange of int */
 163   bt_Set        = btSet,        /* pascal sets */
 164   bt_Complex    = btComplex,    /* fortran complex */
 165   bt_DComplex   = btDComplex,   /* fortran double complex */
 166   bt_Indirect   = btIndirect,   /* forward or unnamed typedef */
 167   bt_FixedDec   = btFixedDec,   /* Fixed Decimal */
 168   bt_FloatDec   = btFloatDec,   /* Float Decimal */
 169   bt_String     = btString,     /* Varying Length Character String */
 170   bt_Bit        = btBit,        /* Aligned Bit String */
 171   bt_Picture    = btPicture,    /* Picture */
 172   bt_Void       = btVoid,       /* void */
 173   bt_Max        = btMax         /* Max basic type+1 */
 174 } bt_t;
 175
 176 /* Redefinition of the language codes.  */
 177
 178 typedef enum lang {
 179   lang_C         = langC,
 180   lang_Pascal    = langPascal,
 181   lang_Fortran   = langFortran,
 182   lang_Assembler = langAssembler,
 183   lang_Machine   = langMachine,
 184   lang_Nil       = langNil,
 185   lang_Ada       = langAda,
 186   lang_Pl1       = langPl1,
 187   lang_Cobol     = langCobol
 188 } lang_t;
 189
 190 /* Redefinition of the debug level codes.  */
 191
 192 typedef enum glevel {
 193   glevel_0      = GLEVEL_0,
 194   glevel_1      = GLEVEL_1,
 195   glevel_2      = GLEVEL_2,
 196   glevel_3      = GLEVEL_3
 197 } glevel_t;
 198
 199 \f
 200 /* Keep track of the active scopes.  */
 201 typedef struct scope {
 202   struct scope *prev;           /* previous scope */
 203   ulong open_sym;               /* symbol opening scope */
 204   sc_t sc;                      /* storage class */
 205   st_t st;                      /* symbol type */
 206 } scope_t;
 207
 208 struct filehdr global_hdr;      /* a.out header */
 209
 210 int      errors         = 0;    /* # of errors */
 211 int      want_aux       = 0;    /* print aux table */
 212 int      want_line      = 0;    /* print line numbers */
 213 int      want_rfd       = 0;    /* print relative file desc's */
 214 int      want_scope     = 0;    /* print scopes for every symbol */
 215 int      tfile          = 0;    /* no global header file */
 216 int      version        = 0;    /* print version # */
 217 int      verbose        = 0;
 218 int      tfile_fd;              /* file descriptor of .T file */
 219 off_t    tfile_offset;          /* current offset in .T file */
 220 scope_t *cur_scope      = 0;    /* list of active scopes */
 221 scope_t *free_scope     = 0;    /* list of freed scopes */
 222 HDRR     sym_hdr;               /* symbolic header */
 223 char    *l_strings;             /* local strings */
 224 char    *e_strings;             /* external strings */
 225 SYMR    *l_symbols;             /* local symbols */
 226 EXTR    *e_symbols;             /* external symbols */
 227 LINER   *lines;                 /* line numbers */
 228 DNR     *dense_nums;            /* dense numbers */
 229 OPTR    *opt_symbols;           /* optimization symbols */
 230 AUXU    *aux_symbols;           /* Auxiliary symbols */
 231 char    *aux_used;              /* map of which aux syms are used */
 232 FDR     *file_desc;             /* file tables */
 233 ulong   *rfile_desc;            /* relative file tables */
 234 PDR     *proc_desc;             /* procedure tables */
 235
 236 /* Forward reference for functions.  */
 237 static void *read_seek (void *, size_t, off_t, const char *);
 238 static void read_tfile (void);
 239 static void print_global_hdr (struct filehdr *);
 240 static void print_sym_hdr (HDRR *);
 241 static void print_file_desc (FDR *, int);
 242 static void print_symbol (SYMR *, int, const char *, AUXU *, int, FDR *);
 243 static void print_aux (AUXU, int, int);
 244 static void emit_aggregate (char *, AUXU, AUXU, const char *, FDR *);
 245 static const char *st_to_string (st_t);
 246 static const char *sc_to_string (sc_t);
 247 static const char *glevel_to_string (glevel_t);
 248 static const char *lang_to_string (lang_t);
 249 static const char *type_to_string (AUXU *, int, FDR *);
 250
 251 extern char *optarg;
 252 extern int   optind;
 253 extern int   opterr;
 254
 255 /* Create a table of debugging stab-codes and corresponding names.  */
 256
 257 #define __define_stab(NAME, CODE, STRING) {(int)CODE, STRING},
 258 const struct {const short code; const char string[10];} stab_names[]  = {
 259 #include "stab.def"
 260 #undef __define_stab
 261 };
 262
 263 /* Command line options for getopt_long.  */
 264
 265 static const struct option options[] =
 266 {
 267   { "version", 0, 0, 'V' },
 268   { "verbose", 0, 0, 'v' },
 269   { 0, 0, 0, 0 }
 270 };
 271 \f
 272 /* Read some bytes at a specified location, and return a pointer.
 273    Read_seek takes a pointer PTR to a buffer or NULL and reads SIZE
 274    bytes from offset OFFSET.  In case of errors CONTEXT is used as
 275    error message.  */
 276
 277 static void *
 278 read_seek (void *ptr, size_t size, off_t offset,  const char *context)
 279 {
 280   long read_size = 0;
 281
 282   if (size == 0)                /* nothing to read */
 283     return ptr;
 284
 285   if (!ptr)
 286     ptr = xmalloc (size);
 287
 288   if ((tfile_offset != offset && lseek (tfile_fd, offset, 0) == -1)
 289       || (read_size = read (tfile_fd, ptr, size)) < 0)
 290     {
 291       perror (context);
 292       exit (1);
 293     }
 294
 295   if (read_size != (long) size)
 296     {
 297       fprintf (stderr, "%s: read %ld bytes, expected %ld bytes\n",
 298                context, read_size, (long) size);
 299       exit (1);
 300     }
 301
 302   tfile_offset = offset + size;
 303   return ptr;
 304 }
 305
 306 \f
 307 /* Convert language code to string format.  */
 308
 309 static const char *
 310 lang_to_string (lang_t lang)
 311 {
 312   switch (lang)
 313     {
 314     case langC:         return "C";
 315     case langPascal:    return "Pascal";
 316     case langFortran:   return "Fortran";
 317     case langAssembler: return "Assembler";
 318     case langMachine:   return "Machine";
 319     case langNil:       return "Nil";
 320     case langAda:       return "Ada";
 321     case langPl1:       return "Pl1";
 322     case langCobol:     return "Cobol";
 323     }
 324
 325   return "Unknown language";
 326 }
 327
 328 \f
 329 /* Convert storage class to string.  */
 330
 331 static const char *
 332 sc_to_string (sc_t storage_class)
 333 {
 334   switch(storage_class)
 335     {
 336     case sc_Nil:         return "Nil";
 337     case sc_Text:        return "Text";
 338     case sc_Data:        return "Data";
 339     case sc_Bss:         return "Bss";
 340     case sc_Register:    return "Register";
 341     case sc_Abs:         return "Abs";
 342     case sc_Undefined:   return "Undefined";
 343     case sc_CdbLocal:    return "CdbLocal";
 344     case sc_Bits:        return "Bits";
 345     case sc_CdbSystem:   return "CdbSystem";
 346     case sc_RegImage:    return "RegImage";
 347     case sc_Info:        return "Info";
 348     case sc_UserStruct:  return "UserStruct";
 349     case sc_SData:       return "SData";
 350     case sc_SBss:        return "SBss";
 351     case sc_RData:       return "RData";
 352     case sc_Var:         return "Var";
 353     case sc_Common:      return "Common";
 354     case sc_SCommon:     return "SCommon";
 355     case sc_VarRegister: return "VarRegister";
 356     case sc_Variant:     return "Variant";
 357     case sc_SUndefined:  return "SUndefined";
 358     case sc_Init:        return "Init";
 359     case sc_Max:         return "Max";
 360     }
 361
 362   return "???";
 363 }
 364
 365 \f
 366 /* Convert symbol type to string.  */
 367
 368 static const char *
 369 st_to_string (st_t symbol_type)
 370 {
 371   switch(symbol_type)
 372     {
 373     case st_Nil:        return "Nil";
 374     case st_Global:     return "Global";
 375     case st_Static:     return "Static";
 376     case st_Param:      return "Param";
 377     case st_Local:      return "Local";
 378     case st_Label:      return "Label";
 379     case st_Proc:       return "Proc";
 380     case st_Block:      return "Block";
 381     case st_End:        return "End";
 382     case st_Member:     return "Member";
 383     case st_Typedef:    return "Typedef";
 384     case st_File:       return "File";
 385     case st_RegReloc:   return "RegReloc";
 386     case st_Forward:    return "Forward";
 387     case st_StaticProc: return "StaticProc";
 388     case st_Constant:   return "Constant";
 389     case st_StaParam:   return "StaticParam";
 390 #ifdef stStruct
 391     case st_Struct:     return "Struct";
 392     case st_Union:      return "Union";
 393     case st_Enum:       return "Enum";
 394 #endif
 395     case st_Str:        return "String";
 396     case st_Number:     return "Number";
 397     case st_Expr:       return "Expr";
 398     case st_Type:       return "Type";
 399     case st_Max:        return "Max";
 400     }
 401
 402   return "???";
 403 }
 404
 405 \f
 406 /* Convert debug level to string.  */
 407
 408 static const char *
 409 glevel_to_string (glevel_t g_level)
 410 {
 411   switch(g_level)
 412     {
 413     case GLEVEL_0: return "G0";
 414     case GLEVEL_1: return "G1";
 415     case GLEVEL_2: return "G2";
 416     case GLEVEL_3: return "G3";
 417     }
 418
 419   return "??";
 420 }
 421
 422 \f
 423 /* Convert the type information to string format.  */
 424
 425 static const char *
 426 type_to_string (AUXU *aux_ptr, int index, FDR *fdp)
 427 {
 428   AUXU u;
 429   struct qual {
 430     tq_t type;
 431     int  low_bound;
 432     int  high_bound;
 433     int  stride;
 434   } qualifiers[7];
 435
 436   bt_t basic_type;
 437   int i;
 438   static char buffer1[1024];
 439   static char buffer2[1024];
 440   char *p1 = buffer1;
 441   char *p2 = buffer2;
 442   char *used_ptr = aux_used + (aux_ptr - aux_symbols);
 443
 444   for (i = 0; i < 7; i++)
 445     {
 446       qualifiers[i].low_bound = 0;
 447       qualifiers[i].high_bound = 0;
 448       qualifiers[i].stride = 0;
 449     }
 450
 451   used_ptr[index] = 1;
 452   u = aux_ptr[index++];
 453   if (u.isym == -1)
 454     return "-1 (no type)";
 455
 456   basic_type = (bt_t) u.ti.bt;
 457   qualifiers[0].type = (tq_t) u.ti.tq0;
 458   qualifiers[1].type = (tq_t) u.ti.tq1;
 459   qualifiers[2].type = (tq_t) u.ti.tq2;
 460   qualifiers[3].type = (tq_t) u.ti.tq3;
 461   qualifiers[4].type = (tq_t) u.ti.tq4;
 462   qualifiers[5].type = (tq_t) u.ti.tq5;
 463   qualifiers[6].type = tq_Nil;
 464
 465   /*
 466    * Go get the basic type.
 467    */
 468   switch (basic_type)
 469     {
 470     case bt_Nil:                /* undefined */
 471       strcpy (p1, "nil");
 472       break;
 473
 474     case bt_Adr:                /* address - integer same size as pointer */
 475       strcpy (p1, "address");
 476       break;
 477
 478     case bt_Char:               /* character */
 479       strcpy (p1, "char");
 480       break;
 481
 482     case bt_UChar:              /* unsigned character */
 483       strcpy (p1, "unsigned char");
 484       break;
 485
 486     case bt_Short:              /* short */
 487       strcpy (p1, "short");
 488       break;
 489
 490     case bt_UShort:             /* unsigned short */
 491       strcpy (p1, "unsigned short");
 492       break;
 493
 494     case bt_Int:                /* int */
 495       strcpy (p1, "int");
 496       break;
 497
 498     case bt_UInt:               /* unsigned int */
 499       strcpy (p1, "unsigned int");
 500       break;
 501
 502     case bt_Long:               /* long */
 503       strcpy (p1, "long");
 504       break;
 505
 506     case bt_ULong:              /* unsigned long */
 507       strcpy (p1, "unsigned long");
 508       break;
 509
 510     case bt_Float:              /* float (real) */
 511       strcpy (p1, "float");
 512       break;
 513
 514     case bt_Double:             /* Double (real) */
 515       strcpy (p1, "double");
 516       break;
 517
 518       /* Structures add 1-2 aux words:
 519          1st word is [ST_RFDESCAPE, offset] pointer to struct def;
 520          2nd word is file index if 1st word rfd is ST_RFDESCAPE.  */
 521
 522     case bt_Struct:             /* Structure (Record) */
 523       emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "struct", fdp);
 524       used_ptr[index] = 1;
 525       if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
 526         used_ptr[++index] = 1;
 527
 528       index++;                  /* skip aux words */
 529       break;
 530
 531       /* Unions add 1-2 aux words:
 532          1st word is [ST_RFDESCAPE, offset] pointer to union def;
 533          2nd word is file index if 1st word rfd is ST_RFDESCAPE.  */
 534
 535     case bt_Union:              /* Union */
 536       emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "union", fdp);
 537       used_ptr[index] = 1;
 538       if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
 539         used_ptr[++index] = 1;
 540
 541       index++;                  /* skip aux words */
 542       break;
 543
 544       /* Enumerations add 1-2 aux words:
 545          1st word is [ST_RFDESCAPE, offset] pointer to enum def;
 546          2nd word is file index if 1st word rfd is ST_RFDESCAPE.  */
 547
 548     case bt_Enum:               /* Enumeration */
 549       emit_aggregate (p1, aux_ptr[index], aux_ptr[index+1], "enum", fdp);
 550       used_ptr[index] = 1;
 551       if (aux_ptr[index].rndx.rfd == ST_RFDESCAPE)
 552         used_ptr[++index] = 1;
 553
 554       index++;                  /* skip aux words */
 555       break;
 556
 557     case bt_Typedef:            /* defined via a typedef, isymRef points */
 558       strcpy (p1, "typedef");
 559       break;
 560
 561     case bt_Range:              /* subrange of int */
 562       strcpy (p1, "subrange");
 563       break;
 564
 565     case bt_Set:                /* pascal sets */
 566       strcpy (p1, "set");
 567       break;
 568
 569     case bt_Complex:            /* fortran complex */
 570       strcpy (p1, "complex");
 571       break;
 572
 573     case bt_DComplex:           /* fortran double complex */
 574       strcpy (p1, "double complex");
 575       break;
 576
 577     case bt_Indirect:           /* forward or unnamed typedef */
 578       strcpy (p1, "forward/unnamed typedef");
 579       break;
 580
 581     case bt_FixedDec:           /* Fixed Decimal */
 582       strcpy (p1, "fixed decimal");
 583       break;
 584
 585     case bt_FloatDec:           /* Float Decimal */
 586       strcpy (p1, "float decimal");
 587       break;
 588
 589     case bt_String:             /* Varying Length Character String */
 590       strcpy (p1, "string");
 591       break;
 592
 593     case bt_Bit:                /* Aligned Bit String */
 594       strcpy (p1, "bit");
 595       break;
 596
 597     case bt_Picture:            /* Picture */
 598       strcpy (p1, "picture");
 599       break;
 600
 601     case bt_Void:               /* Void */
 602       strcpy (p1, "void");
 603       break;
 604
 605     default:
 606       sprintf (p1, "Unknown basic type %d", (int) basic_type);
 607       break;
 608     }
 609
 610   p1 += strlen (buffer1);
 611
 612   /*
 613    * If this is a bitfield, get the bitsize.
 614    */
 615   if (u.ti.fBitfield)
 616     {
 617       int bitsize;
 618
 619       used_ptr[index] = 1;
 620       bitsize = aux_ptr[index++].width;
 621       sprintf (p1, " : %d", bitsize);
 622       p1 += strlen (buffer1);
 623     }
 624
 625
 626   /*
 627    * Deal with any qualifiers.
 628    */
 629   if (qualifiers[0].type != tq_Nil)
 630     {
 631       /*
 632        * Snarf up any array bounds in the correct order.  Arrays
 633        * store 5 successive words in the aux. table:
 634        *        word 0  RNDXR to type of the bounds (ie, int)
 635        *        word 1  Current file descriptor index
 636        *        word 2  low bound
 637        *        word 3  high bound (or -1 if [])
 638        *        word 4  stride size in bits
 639        */
 640       for (i = 0; i < 7; i++)
 641         {
 642           if (qualifiers[i].type == tq_Array)
 643             {
 644               qualifiers[i].low_bound  = aux_ptr[index+2].dnLow;
 645               qualifiers[i].high_bound = aux_ptr[index+3].dnHigh;
 646               qualifiers[i].stride     = aux_ptr[index+4].width;
 647               used_ptr[index] = 1;
 648               used_ptr[index+1] = 1;
 649               used_ptr[index+2] = 1;
 650               used_ptr[index+3] = 1;
 651               used_ptr[index+4] = 1;
 652               index += 5;
 653             }
 654         }
 655
 656       /*
 657        * Now print out the qualifiers.
 658        */
 659       for (i = 0; i < 6; i++)
 660         {
 661           switch (qualifiers[i].type)
 662             {
 663             case tq_Nil:
 664             case tq_Max:
 665               break;
 666
 667             case tq_Ptr:
 668               strcpy (p2, "ptr to ");
 669               p2 += sizeof ("ptr to ")-1;
 670               break;
 671
 672             case tq_Vol:
 673               strcpy (p2, "volatile ");
 674               p2 += sizeof ("volatile ")-1;
 675               break;
 676
 677             case tq_Far:
 678               strcpy (p2, "far ");
 679               p2 += sizeof ("far ")-1;
 680               break;
 681
 682             case tq_Proc:
 683               strcpy (p2, "func. ret. ");
 684               p2 += sizeof ("func. ret. ");
 685               break;
 686
 687             case tq_Array:
 688               {
 689                 int first_array = i;
 690                 int j;
 691
 692                 /* Print array bounds reversed (ie, in the order the C
 693                    programmer writes them).  C is such a fun language....  */
 694
 695                 while (i < 5 && qualifiers[i+1].type == tq_Array)
 696                   i++;
 697
 698                 for (j = i; j >= first_array; j--)
 699                   {
 700                     strcpy (p2, "array [");
 701                     p2 += sizeof ("array [")-1;
 702                     if (qualifiers[j].low_bound != 0)
 703                       sprintf (p2,
 704                                "%ld:%ld {%ld bits}",
 705                                (long) qualifiers[j].low_bound,
 706                                (long) qualifiers[j].high_bound,
 707                                (long) qualifiers[j].stride);
 708
 709                     else if (qualifiers[j].high_bound != -1)
 710                       sprintf (p2,
 711                                "%ld {%ld bits}",
 712                                (long) (qualifiers[j].high_bound + 1),
 713                                (long) (qualifiers[j].stride));
 714
 715                     else
 716                       sprintf (p2, " {%ld bits}", (long) (qualifiers[j].stride));
 717
 718                     p2 += strlen (p2);
 719                     strcpy (p2, "] of ");
 720                     p2 += sizeof ("] of ")-1;
 721                   }
 722               }
 723               break;
 724             }
 725         }
 726     }
 727
 728   strcpy (p2, buffer1);
 729   return buffer2;
 730 }
 731
 732 \f
 733 /* Print out the global file header for object files.  */
 734
 735 static void
 736 print_global_hdr (struct filehdr *ptr)
 737 {
 738   char *time = ctime ((time_t *)&ptr->f_timdat);
 739   ushort flags = ptr->f_flags;
 740
 741   printf("Global file header:\n");
 742   printf("    %-*s 0x%x\n",    24, "magic number",           (ushort) ptr->f_magic);
 743   printf("    %-*s %d\n",      24, "# sections",             (int)    ptr->f_nscns);
 744   printf("    %-*s %ld, %s",   24, "timestamp",              (long)   ptr->f_timdat, time);
 745   printf("    %-*s %ld\n",     24, "symbolic header offset", (long)   ptr->f_symptr);
 746   printf("    %-*s %ld\n",     24, "symbolic header size",   (long)   ptr->f_nsyms);
 747   printf("    %-*s %ld\n",     24, "optional header",        (long)   ptr->f_opthdr);
 748   printf("    %-*s 0x%x",     24, "flags",                   (ushort) flags);
 749
 750   if ((flags & F_RELFLG) != 0)
 751     printf (", F_RELFLG");
 752
 753   if ((flags & F_EXEC) != 0)
 754     printf (", F_EXEC");
 755
 756   if ((flags & F_LNNO) != 0)
 757     printf (", F_LNNO");
 758
 759   if ((flags & F_LSYMS) != 0)
 760     printf (", F_LSYMS");
 761
 762   if ((flags & F_MINMAL) != 0)
 763     printf (", F_MINMAL");
 764
 765   if ((flags & F_UPDATE) != 0)
 766     printf (", F_UPDATE");
 767
 768   if ((flags & F_SWABD) != 0)
 769     printf (", F_SWABD");
 770
 771   if ((flags & F_AR16WR) != 0)
 772     printf (", F_AR16WR");
 773
 774   if ((flags & F_AR32WR) != 0)
 775     printf (", F_AR32WR");
 776
 777   if ((flags & F_AR32W) != 0)
 778     printf (", F_AR32W");
 779
 780   if ((flags & F_PATCH) != 0)
 781     printf (", F_PATCH/F_NODF");
 782
 783   printf ("\n\n");
 784 }
 785
 786 \f
 787 /* Print out the symbolic header.  */
 788
 789 static void
 790 print_sym_hdr (HDRR *sym_ptr)
 791 {
 792   int width = 20;
 793
 794   printf("Symbolic header, magic number = 0x%04x, vstamp = %d.%d:\n\n",
 795          sym_ptr->magic & 0xffff,
 796          (sym_ptr->vstamp & 0xffff) >> 8,
 797          sym_ptr->vstamp & 0xff);
 798
 799   printf("    %-*s %11s %11s %11s\n", width, "Info", "Offset", "Number", "Bytes");
 800   printf("    %-*s %11s %11s %11s\n", width, "====", "======", "======", "=====\n");
 801
 802   printf("    %-*s %11ld %11ld %11ld [%d]\n", width, "Line numbers",
 803          (long) sym_ptr->cbLineOffset,
 804          (long) sym_ptr->cbLine,
 805          (long) sym_ptr->cbLine,
 806          (int) sym_ptr->ilineMax);
 807
 808   printf("    %-*s %11ld %11ld %11ld\n", width, "Dense numbers",
 809          (long) sym_ptr->cbDnOffset,
 810          (long) sym_ptr->idnMax,
 811          (long) (sym_ptr->idnMax * sizeof (DNR)));
 812
 813   printf("    %-*s %11ld %11ld %11ld\n", width, "Procedures Tables",
 814          (long) sym_ptr->cbPdOffset,
 815          (long) sym_ptr->ipdMax,
 816          (long) (sym_ptr->ipdMax * sizeof (PDR)));
 817
 818   printf("    %-*s %11ld %11ld %11ld\n", width, "Local Symbols",
 819          (long) sym_ptr->cbSymOffset,
 820          (long) sym_ptr->isymMax,
 821          (long) (sym_ptr->isymMax * sizeof (SYMR)));
 822
 823   printf("    %-*s %11ld %11ld %11ld\n", width, "Optimization Symbols",
 824          (long) sym_ptr->cbOptOffset,
 825          (long) sym_ptr->ioptMax,
 826          (long) (sym_ptr->ioptMax * sizeof (OPTR)));
 827
 828   printf("    %-*s %11ld %11ld %11ld\n", width, "Auxiliary Symbols",
 829          (long) sym_ptr->cbAuxOffset,
 830          (long) sym_ptr->iauxMax,
 831          (long) (sym_ptr->iauxMax * sizeof (AUXU)));
 832
 833   printf("    %-*s %11ld %11ld %11ld\n", width, "Local Strings",
 834          (long) sym_ptr->cbSsOffset,
 835          (long) sym_ptr->issMax,
 836          (long) sym_ptr->issMax);
 837
 838   printf("    %-*s %11ld %11ld %11ld\n", width, "External Strings",
 839          (long) sym_ptr->cbSsExtOffset,
 840          (long) sym_ptr->issExtMax,
 841          (long) sym_ptr->issExtMax);
 842
 843   printf("    %-*s %11ld %11ld %11ld\n", width, "File Tables",
 844          (long) sym_ptr->cbFdOffset,
 845          (long) sym_ptr->ifdMax,
 846          (long) (sym_ptr->ifdMax * sizeof (FDR)));
 847
 848   printf("    %-*s %11ld %11ld %11ld\n", width, "Relative Files",
 849          (long) sym_ptr->cbRfdOffset,
 850          (long) sym_ptr->crfd,
 851          (long) (sym_ptr->crfd * sizeof (ulong)));
 852
 853   printf("    %-*s %11ld %11ld %11ld\n", width, "External Symbols",
 854          (long) sym_ptr->cbExtOffset,
 855          (long) sym_ptr->iextMax,
 856          (long) (sym_ptr->iextMax * sizeof (EXTR)));
 857 }
 858
 859 \f
 860 /* Print out a symbol.  */
 861
 862 static void
 863 print_symbol (SYMR *sym_ptr, int number, const char *strbase, AUXU *aux_base,
 864               int ifd, FDR *fdp)
 865 {
 866   sc_t storage_class = (sc_t) sym_ptr->sc;
 867   st_t symbol_type   = (st_t) sym_ptr->st;
 868   ulong index        = sym_ptr->index;
 869   char *used_ptr     = aux_used + (aux_base - aux_symbols);
 870   scope_t *scope_ptr;
 871
 872   printf ("\n    Symbol# %d: \"%s\"\n", number, sym_ptr->iss + strbase);
 873
 874   if (aux_base != (AUXU *) 0 && index != indexNil)
 875     switch (symbol_type)
 876       {
 877       case st_Nil:
 878       case st_Label:
 879         break;
 880
 881       case st_File:
 882       case st_Block:
 883         printf ("      End+1 symbol: %ld\n", index);
 884         if (want_scope)
 885           {
 886             if (free_scope == (scope_t *) 0)
 887               scope_ptr = xmalloc (sizeof (scope_t));
 888             else
 889               {
 890                 scope_ptr = free_scope;
 891                 free_scope = scope_ptr->prev;
 892               }
 893             scope_ptr->open_sym = number;
 894             scope_ptr->st = symbol_type;
 895             scope_ptr->sc = storage_class;
 896             scope_ptr->prev = cur_scope;
 897             cur_scope = scope_ptr;
 898           }
 899         break;
 900
 901       case st_End:
 902         if (storage_class == sc_Text || storage_class == sc_Info)
 903           printf ("      First symbol: %ld\n", index);
 904         else
 905           {
 906             used_ptr[index] = 1;
 907             printf ("      First symbol: %ld\n", (long) aux_base[index].isym);
 908           }
 909
 910         if (want_scope)
 911           {
 912             if (cur_scope == (scope_t *) 0)
 913               printf ("      Can't pop end scope\n");
 914             else
 915               {
 916                 scope_ptr = cur_scope;
 917                 cur_scope = scope_ptr->prev;
 918                 scope_ptr->prev = free_scope;
 919                 free_scope = scope_ptr;
 920               }
 921           }
 922         break;
 923
 924       case st_Proc:
 925       case st_StaticProc:
 926         if (MIPS_IS_STAB(sym_ptr))
 927           ;
 928         else if (ifd == -1)             /* local symbol */
 929           {
 930             used_ptr[index] = used_ptr[index+1] = 1;
 931             printf ("      End+1 symbol: %-7ld   Type:  %s\n",
 932                     (long) aux_base[index].isym,
 933                     type_to_string (aux_base, index+1, fdp));
 934           }
 935         else                    /* global symbol */
 936           printf ("      Local symbol: %ld\n", index);
 937
 938         if (want_scope)
 939           {
 940             if (free_scope == (scope_t *) 0)
 941               scope_ptr = xmalloc (sizeof (scope_t));
 942             else
 943               {
 944                 scope_ptr = free_scope;
 945                 free_scope = scope_ptr->prev;
 946               }
 947             scope_ptr->open_sym = number;
 948             scope_ptr->st = symbol_type;
 949             scope_ptr->sc = storage_class;
 950             scope_ptr->prev = cur_scope;
 951             cur_scope = scope_ptr;
 952           }
 953         break;
 954
 955 #ifdef stStruct
 956       case st_Struct:
 957       case st_Union:
 958       case st_Enum:
 959         printf ("      End+1 symbol: %lu\n", index);
 960         break;
 961 #endif
 962
 963       default:
 964         if (!MIPS_IS_STAB (sym_ptr))
 965           {
 966             used_ptr[index] = 1;
 967             printf ("      Type: %s\n",
 968                     type_to_string (aux_base, index, fdp));
 969           }
 970         break;
 971       }
 972
 973   if (want_scope)
 974     {
 975       printf ("      Scopes:  ");
 976       if (cur_scope == (scope_t *) 0)
 977         printf (" none\n");
 978       else
 979         {
 980           for (scope_ptr = cur_scope;
 981                scope_ptr != (scope_t *) 0;
 982                scope_ptr = scope_ptr->prev)
 983             {
 984               const char *class;
 985               if (scope_ptr->st == st_Proc || scope_ptr->st == st_StaticProc)
 986                 class = "func.";
 987               else if (scope_ptr->st == st_File)
 988                 class = "file";
 989               else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Text)
 990                 class = "block";
 991               else if (scope_ptr->st == st_Block && scope_ptr->sc == sc_Info)
 992                 class = "type";
 993               else
 994                 class = "???";
 995
 996               printf (" %ld [%s]", scope_ptr->open_sym, class);
 997             }
 998           printf ("\n");
 999         }
1000     }
1001
1002   printf ("      Value: %-13ld    ",
1003           (long)sym_ptr->value);
1004   if (ifd == -1)
1005     printf ("String index: %ld\n", (long)sym_ptr->iss);
1006   else
1007     printf ("String index: %-11ld Ifd: %d\n",
1008             (long)sym_ptr->iss, ifd);
1009
1010   printf ("      Symbol type: %-11sStorage class: %-11s",
1011           st_to_string (symbol_type), sc_to_string (storage_class));
1012
1013   if (MIPS_IS_STAB(sym_ptr))
1014     {
1015       int i = ARRAY_SIZE (stab_names);
1016       const char *stab_name = "stab";
1017       short code = MIPS_UNMARK_STAB(sym_ptr->index);
1018
1019       while (--i >= 0)
1020         if (stab_names[i].code == code)
1021           {
1022             stab_name = stab_names[i].string;
1023             break;
1024           }
1025       printf ("Index: 0x%lx (%s)\n", (long)sym_ptr->index, stab_name);
1026     }
1027   else if (sym_ptr->st == stLabel && sym_ptr->index != indexNil)
1028     printf ("Index: %ld (line#)\n", (long)sym_ptr->index);
1029   else
1030     printf ("Index: %ld\n", (long)sym_ptr->index);
1031
1032 }
1033
1034 \f
1035 /* Print out a word from the aux. table in various formats.  */
1036
1037 static void
1038 print_aux (AUXU u, int auxi, int used)
1039 {
1040   printf ("\t%s#%-5d %11ld, [%4ld/%7ld], [%2d %1d:%1d %1x:%1x:%1x:%1x:%1x:%1x]\n",
1041           (used) ? "  " : "* ",
1042           auxi,
1043           (long) u.isym,
1044           (long) u.rndx.rfd,
1045           (long) u.rndx.index,
1046           u.ti.bt,
1047           u.ti.fBitfield,
1048           u.ti.continued,
1049           u.ti.tq0,
1050           u.ti.tq1,
1051           u.ti.tq2,
1052           u.ti.tq3,
1053           u.ti.tq4,
1054           u.ti.tq5);
1055 }
1056
1057 \f
1058 /* Write aggregate information to a string.  */
1059
1060 static void
1061 emit_aggregate (char *string, AUXU u, AUXU u2, const char *which, FDR *fdp)
1062 {
1063   unsigned int ifd = u.rndx.rfd;
1064   unsigned int index = u.rndx.index;
1065   const char *name;
1066
1067   if (ifd == ST_RFDESCAPE)
1068     ifd = u2.isym;
1069
1070   /* An ifd of -1 is an opaque type.  An escaped index of 0 is a
1071      struct return type of a procedure compiled without -g.  */
1072   if (ifd == 0xffffffff
1073       || (u.rndx.rfd == ST_RFDESCAPE && index == 0))
1074     name = "<undefined>";
1075   else if (index == indexNil)
1076     name = "<no name>";
1077   else
1078     {
1079       if (fdp == 0 || sym_hdr.crfd == 0)
1080         fdp = &file_desc[ifd];
1081       else
1082         fdp = &file_desc[rfile_desc[fdp->rfdBase + ifd]];
1083       name = &l_strings[fdp->issBase + l_symbols[index + fdp->isymBase].iss];
1084     }
1085
1086   sprintf (string,
1087            "%s %s { ifd = %u, index = %u }",
1088            which, name, ifd, index);
1089 }
1090
1091 \f
1092 /* Print out information about a file descriptor, and the symbols,
1093    procedures, and line numbers within it.  */
1094
1095 static void
1096 print_file_desc (FDR *fdp, int number)
1097 {
1098   char *str_base;
1099   AUXU *aux_base;
1100   int symi, pdi;
1101   int width = 20;
1102   char *used_base;
1103
1104   str_base = l_strings + fdp->issBase;
1105   aux_base = aux_symbols + fdp->iauxBase;
1106   used_base = aux_used + (aux_base - aux_symbols);
1107
1108   printf ("\nFile #%d, \"%s\"\n\n",
1109           number,
1110           fdp->rss != issNil ? str_base + fdp->rss : "<unknown>");
1111
1112   printf ("    Name index  = %-10ld Readin      = %s\n",
1113           (long) fdp->rss, (fdp->fReadin) ? "Yes" : "No");
1114
1115   printf ("    Merge       = %-10s Endian      = %s\n",
1116           (fdp->fMerge)  ? "Yes" : "No",
1117           (fdp->fBigendian) ? "BIG" : "LITTLE");
1118
1119   printf ("    Debug level = %-10s Language    = %s\n",
1120           glevel_to_string (fdp->glevel),
1121           lang_to_string((lang_t) fdp->lang));
1122
1123   printf ("    Adr         = 0x%08lx\n\n", (long) fdp->adr);
1124
1125   printf("    %-*s %11s %11s %11s %11s\n", width, "Info", "Start", "Number", "Size", "Offset");
1126   printf("    %-*s %11s %11s %11s %11s\n", width, "====", "=====", "======", "====", "======");
1127
1128   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1129          width, "Local strings",
1130          (ulong) fdp->issBase,
1131          (ulong) fdp->cbSs,
1132          (ulong) fdp->cbSs,
1133          (ulong) (fdp->issBase + sym_hdr.cbSsOffset));
1134
1135   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1136          width, "Local symbols",
1137          (ulong) fdp->isymBase,
1138          (ulong) fdp->csym,
1139          (ulong) (fdp->csym * sizeof (SYMR)),
1140          (ulong) (fdp->isymBase * sizeof (SYMR) + sym_hdr.cbSymOffset));
1141
1142   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1143          width, "Line numbers",
1144          (ulong) fdp->cbLineOffset,
1145          (ulong) fdp->cline,
1146          (ulong) fdp->cbLine,
1147          (ulong) (fdp->cbLineOffset + sym_hdr.cbLineOffset));
1148
1149   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1150          width, "Optimization symbols",
1151          (ulong) fdp->ioptBase,
1152          (ulong) fdp->copt,
1153          (ulong) (fdp->copt * sizeof (OPTR)),
1154          (ulong) (fdp->ioptBase * sizeof (OPTR) + sym_hdr.cbOptOffset));
1155
1156   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1157          width, "Procedures",
1158          (ulong) fdp->ipdFirst,
1159          (ulong) fdp->cpd,
1160          (ulong) (fdp->cpd * sizeof (PDR)),
1161          (ulong) (fdp->ipdFirst * sizeof (PDR) + sym_hdr.cbPdOffset));
1162
1163   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1164          width, "Auxiliary symbols",
1165          (ulong) fdp->iauxBase,
1166          (ulong) fdp->caux,
1167          (ulong) (fdp->caux * sizeof (AUXU)),
1168          (ulong) (fdp->iauxBase * sizeof(AUXU) + sym_hdr.cbAuxOffset));
1169
1170   printf("    %-*s %11lu %11lu %11lu %11lu\n",
1171          width, "Relative Files",
1172          (ulong) fdp->rfdBase,
1173          (ulong) fdp->crfd,
1174          (ulong) (fdp->crfd * sizeof (ulong)),
1175          (ulong) (fdp->rfdBase * sizeof(ulong) + sym_hdr.cbRfdOffset));
1176
1177
1178   if (want_scope && cur_scope != (scope_t *) 0)
1179     printf ("\n    Warning scope does not start at 0!\n");
1180
1181   /*
1182    * print the info about the symbol table.
1183    */
1184   printf ("\n    There are %lu local symbols, starting at %lu\n",
1185           (ulong) fdp->csym,
1186           (ulong) (fdp->isymBase + sym_hdr.cbSymOffset));
1187
1188   for(symi = fdp->isymBase; symi < (fdp->csym + fdp->isymBase); symi++)
1189     print_symbol (&l_symbols[symi],
1190                   symi - fdp->isymBase,
1191                   str_base,
1192                   aux_base,
1193                   -1,
1194                   fdp);
1195
1196   if (want_scope && cur_scope != (scope_t *) 0)
1197     printf ("\n    Warning scope does not end at 0!\n");
1198
1199   /*
1200    * print the aux. table if desired.
1201    */
1202
1203   if (want_aux && fdp->caux != 0)
1204     {
1205       int auxi;
1206
1207       printf ("\n    There are %lu auxiliary table entries, starting at %lu.\n\n",
1208               (ulong) fdp->caux,
1209               (ulong) (fdp->iauxBase + sym_hdr.cbAuxOffset));
1210
1211       for (auxi = fdp->iauxBase; auxi < (fdp->caux + fdp->iauxBase); auxi++)
1212         print_aux (aux_base[auxi], auxi, used_base[auxi]);
1213     }
1214
1215   /*
1216    * print the relative file descriptors.
1217    */
1218   if (want_rfd && fdp->crfd != 0)
1219     {
1220       ulong *rfd_ptr, i;
1221
1222       printf ("\n    There are %lu relative file descriptors, starting at %lu.\n",
1223               (ulong) fdp->crfd,
1224               (ulong) fdp->rfdBase);
1225
1226       rfd_ptr = rfile_desc + fdp->rfdBase;
1227       for (i = 0; i < (ulong) fdp->crfd; i++)
1228         {
1229           printf ("\t#%-5ld %11ld, 0x%08lx\n", i, *rfd_ptr, *rfd_ptr);
1230           rfd_ptr++;
1231         }
1232     }
1233
1234   /*
1235    * do the procedure descriptors.
1236    */
1237   printf ("\n    There are %lu procedure descriptor entries, ", (ulong) fdp->cpd);
1238   printf ("starting at %lu.\n", (ulong) fdp->ipdFirst);
1239
1240   for (pdi = fdp->ipdFirst; pdi < (fdp->cpd + fdp->ipdFirst); pdi++)
1241     {
1242       PDR *proc_ptr = &proc_desc[pdi];
1243       printf ("\n\tProcedure descriptor %d:\n", (pdi - fdp->ipdFirst));
1244
1245       if (l_symbols != 0)
1246         printf ("\t    Name index   = %-11ld Name          = \"%s\"\n",
1247                 (long) l_symbols[proc_ptr->isym + fdp->isymBase].iss,
1248                 l_symbols[proc_ptr->isym + fdp->isymBase].iss + str_base);
1249
1250       printf ("\t    .mask 0x%08lx,%-9ld .fmask 0x%08lx,%ld\n",
1251               (long) proc_ptr->regmask,
1252               (long) proc_ptr->regoffset,
1253               (long) proc_ptr->fregmask,
1254               (long) proc_ptr->fregoffset);
1255
1256       printf ("\t    .frame $%d,%ld,$%d\n",
1257               (int)  proc_ptr->framereg,
1258               (long) proc_ptr->frameoffset,
1259               (int)  proc_ptr->pcreg);
1260
1261       printf ("\t    Opt. start   = %-11ld Symbols start = %ld\n",
1262               (long) proc_ptr->iopt,
1263               (long) proc_ptr->isym);
1264
1265       printf ("\t    First line # = %-11ld Last line #   = %ld\n",
1266               (long) proc_ptr->lnLow,
1267               (long) proc_ptr->lnHigh);
1268
1269       printf ("\t    Line Offset  = %-11ld Address       = 0x%08lx\n",
1270               (long) proc_ptr->cbLineOffset,
1271               (long) proc_ptr->adr);
1272
1273       /*
1274        * print the line number entries.
1275        */
1276
1277       if (want_line && fdp->cline != 0)
1278         {
1279           int delta, count;
1280           long cur_line = proc_ptr->lnLow;
1281           uchar *line_ptr = (((uchar *)lines) + proc_ptr->cbLineOffset
1282                              + fdp->cbLineOffset);
1283           uchar *line_end;
1284
1285           if (pdi == fdp->cpd + fdp->ipdFirst - 1)      /* last procedure */
1286             line_end = ((uchar *)lines) + fdp->cbLine + fdp->cbLineOffset;
1287           else                                          /* not last proc.  */
1288             line_end = (((uchar *)lines) + proc_desc[pdi+1].cbLineOffset
1289                         + fdp->cbLineOffset);
1290
1291           printf ("\n\tThere are %lu bytes holding line numbers, starting at %lu.\n",
1292                   (ulong) (line_end - line_ptr),
1293                   (ulong) (fdp->ilineBase + sym_hdr.cbLineOffset));
1294
1295           while (line_ptr < line_end)
1296             {                                           /* sign extend nibble */
1297               delta = ((*line_ptr >> 4) ^ 0x8) - 0x8;
1298               count = (*line_ptr & 0xf) + 1;
1299               if (delta != -8)
1300                 line_ptr++;
1301               else
1302                 {
1303                   delta = (((line_ptr[1]) & 0xff) << 8) + ((line_ptr[2]) & 0xff);
1304                   delta = (delta ^ 0x8000) - 0x8000;
1305                   line_ptr += 3;
1306                 }
1307
1308               cur_line += delta;
1309               printf ("\t    Line %11ld,   delta %5d,   count %2d\n",
1310                       cur_line,
1311                       delta,
1312                       count);
1313             }
1314         }
1315     }
1316 }
1317
1318 \f
1319 /* Read in the portions of the .T file that we will print out.  */
1320
1321 static void
1322 read_tfile (void)
1323 {
1324   short magic;
1325   off_t sym_hdr_offset = 0;
1326
1327   read_seek (&magic, sizeof (magic), 0, "Magic number");
1328   if (!tfile)
1329     {
1330       /* Print out the global header, since this is not a T-file.  */
1331
1332       read_seek (&global_hdr, sizeof (global_hdr), 0, "Global file header");
1333
1334       print_global_hdr (&global_hdr);
1335
1336       if (global_hdr.f_symptr == 0)
1337         {
1338           printf ("No symbolic header, Goodbye!\n");
1339           exit (1);
1340         }
1341
1342       sym_hdr_offset = global_hdr.f_symptr;
1343     }
1344
1345   read_seek (&sym_hdr, sizeof (sym_hdr), sym_hdr_offset, "Symbolic header");
1346
1347   print_sym_hdr (&sym_hdr);
1348
1349   lines = read_seek (NULL, sym_hdr.cbLine, sym_hdr.cbLineOffset,
1350                      "Line numbers");
1351
1352   dense_nums = read_seek (NULL, sym_hdr.idnMax * sizeof (DNR),
1353                           sym_hdr.cbDnOffset, "Dense numbers");
1354
1355   proc_desc = read_seek (NULL, sym_hdr.ipdMax * sizeof (PDR),
1356                          sym_hdr.cbPdOffset, "Procedure tables");
1357
1358   l_symbols = read_seek (NULL, sym_hdr.isymMax * sizeof (SYMR),
1359                          sym_hdr.cbSymOffset, "Local symbols");
1360
1361   opt_symbols = read_seek (NULL, sym_hdr.ioptMax * sizeof (OPTR),
1362                            sym_hdr.cbOptOffset, "Optimization symbols");
1363
1364   aux_symbols = read_seek (NULL, sym_hdr.iauxMax * sizeof (AUXU),
1365                            sym_hdr.cbAuxOffset, "Auxiliary symbols");
1366
1367   if (sym_hdr.iauxMax > 0)
1368     aux_used = xcalloc (sym_hdr.iauxMax, 1);
1369
1370   l_strings = read_seek (NULL, sym_hdr.issMax,
1371                          sym_hdr.cbSsOffset, "Local string table");
1372
1373   e_strings = read_seek (NULL, sym_hdr.issExtMax,
1374                          sym_hdr.cbSsExtOffset, "External string table");
1375
1376   file_desc = read_seek (NULL, sym_hdr.ifdMax * sizeof (FDR),
1377                          sym_hdr.cbFdOffset, "File tables");
1378
1379   rfile_desc = read_seek (NULL, sym_hdr.crfd * sizeof (ulong),
1380                           sym_hdr.cbRfdOffset, "Relative file tables");
1381
1382   e_symbols = read_seek (NULL, sym_hdr.iextMax * sizeof (EXTR),
1383                          sym_hdr.cbExtOffset, "External symbols");
1384 }
1385
1386 \f
1387
1388 extern int main (int, char **);
1389
1390 int
1391 main (int argc, char **argv)
1392 {
1393   int i, opt;
1394
1395   /*
1396    * Process arguments
1397    */
1398   while ((opt = getopt_long (argc, argv, "alrsvt", options, NULL)) != -1)
1399     switch (opt)
1400       {
1401       default:  errors++;       break;
1402       case 'a': want_aux++;     break;  /* print aux table */
1403       case 'l': want_line++;    break;  /* print line numbers */
1404       case 'r': want_rfd++;     break;  /* print relative fd's */
1405       case 's': want_scope++;   break;  /* print scope info */
1406       case 'v': verbose++;      break;  /* print version # */
1407       case 'V': version++;      break;  /* print version # */
1408       case 't': tfile++;        break;  /* this is a tfile (without header),
1409                                            and not a .o */
1410       }
1411
1412   if (version)
1413     {
1414       printf ("mips-tdump (GCC) %s\n", version_string);
1415       fputs ("Copyright (C) 2003 Free Software Foundation, Inc.\n", stdout);
1416       fputs ("This is free software; see the source for copying conditions.  There is NO\n\
1417 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n",
1418              stdout);
1419       exit (0);
1420     }
1421
1422   if (optind != argc - 1)
1423     errors++;
1424
1425   if (verbose || errors)
1426     {
1427       fprintf (stderr, "mips-tdump (GCC) %s", version_string);
1428 #ifdef TARGET_VERSION
1429       TARGET_VERSION;
1430 #endif
1431       fputc ('\n', stderr);
1432     }
1433
1434   if (errors)
1435     {
1436       fprintf (stderr, "Calling Sequence:\n");
1437       fprintf (stderr, "\t%s [-alrst] <object-or-T-file>\n", argv[0]);
1438       fprintf (stderr, "\n");
1439       fprintf (stderr, "switches:\n");
1440       fprintf (stderr, "\t-a Print out auxiliary table.\n");
1441       fprintf (stderr, "\t-l Print out line numbers.\n");
1442       fprintf (stderr, "\t-r Print out relative file descriptors.\n");
1443       fprintf (stderr, "\t-s Print out the current scopes for an item.\n");
1444       fprintf (stderr, "\t-t Assume there is no global header (ie, a T-file).\n");
1445       fprintf (stderr, "\t-v Print program version.\n");
1446       return 1;
1447     }
1448
1449   /*
1450    * Open and process the input file.
1451    */
1452   tfile_fd = open (argv[optind], O_RDONLY);
1453   if (tfile_fd < 0)
1454     {
1455       perror (argv[optind]);
1456       return 1;
1457     }
1458
1459   read_tfile ();
1460
1461   /*
1462    * Print any global aux words if any.
1463    */
1464   if (want_aux)
1465     {
1466       long last_aux_in_use;
1467
1468       if (sym_hdr.ifdMax != 0 && file_desc[0].iauxBase != 0)
1469         {
1470           printf ("\nGlobal auxiliary entries before first file:\n");
1471           for (i = 0; i < file_desc[0].iauxBase; i++)
1472             print_aux (aux_symbols[i], 0, aux_used[i]);
1473         }
1474
1475       if (sym_hdr.ifdMax == 0)
1476         last_aux_in_use = 0;
1477       else
1478         last_aux_in_use
1479           = (file_desc[sym_hdr.ifdMax-1].iauxBase
1480              + file_desc[sym_hdr.ifdMax-1].caux - 1);
1481
1482       if (last_aux_in_use < sym_hdr.iauxMax-1)
1483         {
1484           printf ("\nGlobal auxiliary entries after last file:\n");
1485           for (i = last_aux_in_use; i < sym_hdr.iauxMax; i++)
1486             print_aux (aux_symbols[i], i - last_aux_in_use, aux_used[i]);
1487         }
1488     }
1489
1490   /*
1491    * Print the information for each file.
1492    */
1493   for (i = 0; i < sym_hdr.ifdMax; i++)
1494     print_file_desc (&file_desc[i], i);
1495
1496   /*
1497    * Print the external symbols.
1498    */
1499   want_scope = 0;               /* scope info is meaning for extern symbols */
1500   printf ("\nThere are %lu external symbols, starting at %lu\n",
1501           (ulong) sym_hdr.iextMax,
1502           (ulong) sym_hdr.cbExtOffset);
1503
1504   for(i = 0; i < sym_hdr.iextMax; i++)
1505     print_symbol (&e_symbols[i].asym, i, e_strings,
1506                   aux_symbols + file_desc[e_symbols[i].ifd].iauxBase,
1507                   e_symbols[i].ifd,
1508                   &file_desc[e_symbols[i].ifd]);
1509
1510   /*
1511    * Print unused aux symbols now.
1512    */
1513
1514   if (want_aux)
1515     {
1516       int first_time = 1;
1517
1518       for (i = 0; i < sym_hdr.iauxMax; i++)
1519         {
1520           if (! aux_used[i])
1521             {
1522               if (first_time)
1523                 {
1524                   printf ("\nThe following auxiliary table entries were unused:\n\n");
1525                   first_time = 0;
1526                 }
1527
1528               printf ("    #%-5d %11ld  0x%08lx  %s\n",
1529                       i,
1530                       (long) aux_symbols[i].isym,
1531                       (long) aux_symbols[i].isym,
1532                       type_to_string (aux_symbols, i, (FDR *) 0));
1533             }
1534         }
1535     }
1536
1537   return 0;
1538 }