binutils/srconv.c

   1 /* srconv.c -- Sysroff conversion program
   2    Copyright 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GNU Binutils.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  20    02111-1307, USA.  */
  21
  22 /* Written by Steve Chamberlain (sac@cygnus.com)
  23
  24    This program can be used to convert a coff object file
  25    into a Hitachi OM/LM (Sysroff) format.
  26
  27    All debugging information is preserved */
  28
  29 #include <bfd.h>
  30 #include "bucomm.h"
  31 #include "sysroff.h"
  32 #include "coffgrok.h"
  33 #include <libiberty.h>
  34 #include <getopt.h>
  35
  36 #include "coff/internal.h"
  37 #include "../bfd/libcoff.h"
  38
  39 /*#define FOOP1 1 */
  40
  41 static int addrsize;
  42 static char *toolname;
  43 static char **rnames;
  44
  45 static int get_member_id PARAMS ((int));
  46 static int get_ordinary_id PARAMS ((int));
  47 static char *section_translate PARAMS ((char *));
  48 static char *strip_suffix PARAMS ((char *));
  49 static void checksum PARAMS ((FILE *, char *, int, int));
  50 static void writeINT PARAMS ((int, char *, int *, int, FILE *));
  51 static void writeBITS PARAMS ((int, char *, int *, int));
  52 static void writeBARRAY PARAMS ((barray, char *, int *, int, FILE *));
  53 static void writeCHARS PARAMS ((char *, char *, int *, int, FILE *));
  54 static void wr_tr PARAMS ((void));
  55 static void wr_un PARAMS ((struct coff_ofile *, struct coff_sfile *, int, int));
  56 static void wr_hd PARAMS ((struct coff_ofile *));
  57 static void wr_sh PARAMS ((struct coff_ofile *, struct coff_section *));
  58 static void wr_ob PARAMS ((struct coff_ofile *, struct coff_section *));
  59 static void wr_rl PARAMS ((struct coff_ofile *, struct coff_section *));
  60 static void wr_object_body PARAMS ((struct coff_ofile *));
  61 static void wr_dps_start
  62   PARAMS ((struct coff_sfile *, struct coff_section *, struct coff_scope *,
  63            int, int));
  64 static void wr_dps_end
  65   PARAMS ((struct coff_section *, struct coff_scope *, int));
  66 static int *nints PARAMS ((int));
  67 static void walk_tree_type_1
  68   PARAMS ((struct coff_sfile *, struct coff_symbol *, struct coff_type *,
  69            int));
  70 static void walk_tree_type
  71   PARAMS ((struct coff_sfile *, struct coff_symbol *, struct coff_type *,
  72            int));
  73 static void walk_tree_symbol
  74   PARAMS ((struct coff_sfile *, struct coff_section *,
  75            struct coff_symbol *, int));
  76 static void walk_tree_scope
  77   PARAMS ((struct coff_section *, struct coff_sfile *, struct coff_scope *,
  78            int, int));
  79 static void walk_tree_sfile
  80   PARAMS ((struct coff_section *, struct coff_sfile *));
  81 static void wr_program_structure
  82   PARAMS ((struct coff_ofile *, struct coff_sfile *));
  83 static void wr_du PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
  84 static void wr_dus PARAMS ((struct coff_ofile *, struct coff_sfile *));
  85 static int find_base PARAMS ((struct coff_sfile *, struct coff_section *));
  86 static void wr_dln PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
  87 static void wr_globals
  88   PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
  89 static void wr_debug PARAMS ((struct coff_ofile *));
  90 static void wr_cs PARAMS ((void));
  91 static int wr_sc PARAMS ((struct coff_ofile *, struct coff_sfile *));
  92 static void wr_er PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
  93 static void wr_ed PARAMS ((struct coff_ofile *, struct coff_sfile *, int));
  94 static void wr_unit_info PARAMS ((struct coff_ofile *));
  95 static void wr_module PARAMS ((struct coff_ofile *));
  96 static int align PARAMS ((int));
  97 static void prescan PARAMS ((struct coff_ofile *));
  98 static void show_usage PARAMS ((FILE *, int));
  99 extern int main PARAMS ((int, char **));
 100
 101 static FILE *file;
 102 static bfd *abfd;
 103 static int debug = 0;
 104 static int quick = 0;
 105 static int noprescan = 0;
 106 static struct coff_ofile *tree;
 107 /* Obsolete ??
 108    static int absolute_p;
 109  */
 110
 111 static int segmented_p;
 112 static int code;
 113
 114 static int ids1[20000];
 115 static int ids2[20000];
 116
 117 static int base1 = 0x18;
 118 static int base2 = 0x2018;
 119
 120 static int
 121 get_member_id (x)
 122      int x;
 123 {
 124   if (ids2[x])
 125     return ids2[x];
 126
 127   ids2[x] = base2++;
 128   return ids2[x];
 129 }
 130
 131 static int
 132 get_ordinary_id (x)
 133      int x;
 134 {
 135   if (ids1[x])
 136     return ids1[x];
 137
 138   ids1[x] = base1++;
 139   return ids1[x];
 140 }
 141 static char *
 142 section_translate (n)
 143      char *n;
 144 {
 145   if (strcmp (n, ".text") == 0)
 146     return "P";
 147   if (strcmp (n, ".data") == 0)
 148     return "D";
 149   if (strcmp (n, ".bss") == 0)
 150     return "B";
 151   return n;
 152 }
 153
 154 #define DATE "940201073000";    /* Just a time on my birthday */
 155
 156 static
 157 char *
 158 strip_suffix (name)
 159      char *name;
 160 {
 161   int i;
 162   char *res;
 163
 164   for (i = 0; name[i] != 0 && name[i] != '.'; i++)
 165     ;
 166   res = (char *) xmalloc (i + 1);
 167   memcpy (res, name, i);
 168   res[i] = 0;
 169   return res;
 170 }
 171
 172 /* IT LEN stuff CS */
 173 static void
 174 checksum (file, ptr, size, code)
 175      FILE *file;
 176      char *ptr;
 177      int size;
 178      int code;
 179 {
 180   int j;
 181   int last;
 182   int sum = 0;
 183   int bytes = size / 8;
 184
 185   last = !(code & 0xff00);
 186   if (size & 0x7)
 187     abort ();
 188   ptr[0] = code | (last ? 0x80 : 0);
 189   ptr[1] = bytes + 1;
 190
 191   for (j = 0; j < bytes; j++)
 192     sum += ptr[j];
 193
 194   /* Glue on a checksum too.  */
 195   ptr[bytes] = ~sum;
 196   fwrite (ptr, bytes + 1, 1, file);
 197 }
 198
 199
 200 static void
 201 writeINT (n, ptr, idx, size, file)
 202      int n;
 203      char *ptr;
 204      int *idx;
 205      int size;
 206      FILE *file;
 207 {
 208   int byte = *idx / 8;
 209
 210   if (size == -2)
 211     size = addrsize;
 212   else if (size == -1)
 213     size = 0;
 214
 215   if (byte > 240)
 216     {
 217       /* Lets write out that record and do another one.  */
 218       checksum (file, ptr, *idx, code | 0x1000);
 219       *idx = 16;
 220       byte = *idx / 8;
 221     }
 222
 223   switch (size)
 224     {
 225     case 0:
 226       break;
 227     case 1:
 228       ptr[byte] = n;
 229       break;
 230     case 2:
 231       ptr[byte + 0] = n >> 8;
 232       ptr[byte + 1] = n;
 233       break;
 234     case 4:
 235       ptr[byte + 0] = n >> 24;
 236       ptr[byte + 1] = n >> 16;
 237       ptr[byte + 2] = n >> 8;
 238       ptr[byte + 3] = n >> 0;
 239       break;
 240     default:
 241       abort ();
 242     }
 243   *idx += size * 8;
 244 }
 245
 246 static void
 247 writeBITS (val, ptr, idx, size)
 248      int val;
 249      char *ptr;
 250      int *idx;
 251      int size;
 252 {
 253   int byte = *idx / 8;
 254   int bit = *idx % 8;
 255   int old;
 256
 257   *idx += size;
 258
 259   old = ptr[byte];
 260   /* Turn off all about to change bits.  */
 261   old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
 262   /* Turn on the bits we want.  */
 263   old |= (val & ((1 << size) - 1)) << (8 - bit - size);
 264   ptr[byte] = old;
 265 }
 266
 267 static void
 268 writeBARRAY (data, ptr, idx, size, file)
 269      barray data;
 270      char *ptr;
 271      int *idx;
 272      int size ATTRIBUTE_UNUSED;
 273      FILE *file;
 274 {
 275   int i;
 276
 277   writeINT (data.len, ptr, idx, 1, file);
 278   for (i = 0; i < data.len; i++)
 279     writeINT (data.data[i], ptr, idx, 1, file);
 280 }
 281
 282 static void
 283 writeCHARS (string, ptr, idx, size, file)
 284      char *string;
 285      char *ptr;
 286      int *idx;
 287      int size;
 288      FILE *file;
 289 {
 290   int i = *idx / 8;
 291
 292   if (i > 240)
 293     {
 294       /* Lets write out that record and do another one.  */
 295       checksum (file, ptr, *idx, code | 0x1000);
 296       *idx = 16;
 297       i = *idx / 8;
 298     }
 299
 300   if (size == 0)
 301     {
 302       /* Variable length string.  */
 303       size = strlen (string);
 304       ptr[i++] = size;
 305     }
 306
 307   /* BUG WAITING TO HAPPEN.  */
 308   memcpy (ptr + i, string, size);
 309   i += size;
 310   *idx = i * 8;
 311 }
 312
 313 #define SYSROFF_SWAP_OUT
 314 #include "sysroff.c"
 315
 316 static char *rname_sh[] =
 317 {
 318   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
 319 };
 320
 321 static char *rname_h8300[] =
 322 {
 323   "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
 324 };
 325
 326 static void
 327 wr_tr ()
 328 {
 329   /* The TR block is not normal - it doesn't have any contents.  */
 330
 331   static char b[] =
 332     {
 333       0xff,                     /* IT */
 334       0x03,                     /* RL */
 335       0xfd,                     /* CS */
 336     };
 337   fwrite (b, 1, sizeof (b), file);
 338 }
 339
 340 static void
 341 wr_un (ptr, sfile, first, nsecs)
 342      struct coff_ofile *ptr;
 343      struct coff_sfile *sfile;
 344      int first;
 345      int nsecs ATTRIBUTE_UNUSED;
 346 {
 347   struct IT_un un;
 348   struct coff_symbol *s;
 349
 350   un.spare1 = 0;
 351
 352   if (bfd_get_file_flags (abfd) & EXEC_P)
 353     un.format = FORMAT_LM;
 354   else
 355     un.format = FORMAT_OM;
 356   un.spare1 = 0;
 357
 358 #if 1
 359   un.nsections = ptr->nsections - 1;    /*  Don't count the abs section.  */
 360 #else
 361   /*NEW - only count sections with size.  */
 362   un.nsections = nsecs;
 363 #endif
 364
 365   un.nextdefs = 0;
 366   un.nextrefs = 0;
 367   /* Count all the undefined and defined variables with global scope.  */
 368
 369   if (first)
 370     {
 371       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
 372         {
 373           if (s->visible->type == coff_vis_ext_def
 374               || s->visible->type == coff_vis_common)
 375             un.nextdefs++;
 376
 377           if (s->visible->type == coff_vis_ext_ref)
 378             un.nextrefs++;
 379         }
 380     }
 381   un.tool = toolname;
 382   un.tcd = DATE;
 383   un.linker = "L_GX00";
 384   un.lcd = DATE;
 385   un.name = sfile->name;
 386   sysroff_swap_un_out (file, &un);
 387 }
 388
 389 static void
 390 wr_hd (p)
 391      struct coff_ofile *p;
 392 {
 393   struct IT_hd hd;
 394
 395   hd.spare1 = 0;
 396   if (bfd_get_file_flags (abfd) & EXEC_P)
 397     hd.mt = MTYPE_ABS_LM;
 398   else
 399     hd.mt = MTYPE_OMS_OR_LMS;
 400
 401   hd.cd = DATE;
 402
 403   hd.nu = p->nsources;          /* Always one unit */
 404   hd.code = 0;                  /* Always ASCII */
 405   hd.ver = "0200";              /* Version 2.00 */
 406
 407   switch (bfd_get_arch (abfd))
 408     {
 409     case bfd_arch_h8300:
 410       hd.au = 8;
 411       hd.si = 0;
 412       hd.spcsz = 32;
 413       hd.segsz = 0;
 414       hd.segsh = 0;
 415       switch (bfd_get_mach (abfd))
 416         {
 417         case bfd_mach_h8300:
 418           hd.cpu = "H8300";
 419           hd.afl = 2;
 420           addrsize = 2;
 421           toolname = "C_H8/300";
 422           break;
 423         case bfd_mach_h8300h:
 424           hd.cpu = "H8300H";
 425           hd.afl = 4;
 426           addrsize = 4;
 427           toolname = "C_H8/300H";
 428           break;
 429         case bfd_mach_h8300s:
 430           hd.cpu = "H8300S";
 431           hd.afl = 4;
 432           addrsize = 4;
 433           toolname = "C_H8/300S";
 434           break;
 435         default:
 436           abort();
 437         }
 438       rnames = rname_h8300;
 439       break;
 440     case bfd_arch_sh:
 441       hd.au = 8;
 442       hd.si = 0;
 443       hd.afl = 4;
 444       hd.spcsz = 32;
 445       hd.segsz = 0;
 446       hd.segsh = 0;
 447       hd.cpu = "SH";
 448       addrsize = 4;
 449       toolname = "C_SH";
 450       rnames = rname_sh;
 451       break;
 452     default:
 453       abort ();
 454     }
 455
 456   if (! bfd_get_file_flags(abfd) & EXEC_P)
 457     {
 458       hd.ep = 0;
 459     }
 460   else
 461     {
 462       hd.ep = 1;
 463       hd.uan = 0;
 464       hd.sa = 0;
 465       hd.sad = 0;
 466       hd.address = bfd_get_start_address (abfd);
 467     }
 468
 469   hd.os = "";
 470   hd.sys = "";
 471   hd.mn = strip_suffix (bfd_get_filename (abfd));
 472
 473   sysroff_swap_hd_out (file, &hd);
 474 }
 475
 476
 477 static void
 478 wr_sh (p, sec)
 479      struct coff_ofile *p ATTRIBUTE_UNUSED;
 480      struct coff_section *sec;
 481 {
 482   struct IT_sh sh;
 483   sh.unit = 0;
 484   sh.section = sec->number;
 485 #ifdef FOOP1
 486   sh.section = 0;
 487 #endif
 488   sysroff_swap_sh_out (file, &sh);
 489 }
 490
 491
 492 static void
 493 wr_ob (p, section)
 494      struct coff_ofile *p ATTRIBUTE_UNUSED;
 495      struct coff_section *section;
 496 {
 497   bfd_size_type i;
 498   int first = 1;
 499   unsigned char stuff[200];
 500
 501   i = 0;
 502   while (i < section->bfd_section->_raw_size)
 503     {
 504       struct IT_ob ob;
 505       int todo = 200;           /* Copy in 200 byte lumps.  */
 506
 507       ob.spare = 0;
 508       if (i + todo > section->bfd_section->_raw_size)
 509         todo = section->bfd_section->_raw_size - i;
 510
 511       if (first)
 512         {
 513           ob.saf = 1;
 514           if (bfd_get_file_flags (abfd) & EXEC_P)
 515             ob.address = section->address;
 516           else
 517             ob.address = 0;
 518
 519           first = 0;
 520         }
 521       else
 522         {
 523           ob.saf = 0;
 524         }
 525
 526       ob.cpf = 0;               /* Never compress.  */
 527       ob.data.len = todo;
 528       bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
 529       ob.data.data = stuff;
 530       sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
 531       i += todo;
 532     }
 533
 534   /* Now fill the rest with blanks.  */
 535   while (i < (bfd_size_type) section->size)
 536     {
 537       struct IT_ob ob;
 538       int todo = 200;           /* Copy in 200 byte lumps.  */
 539
 540       ob.spare = 0;
 541       if (i + todo > (bfd_size_type) section->size)
 542         todo = section->size - i;
 543       ob.saf = 0;
 544
 545       ob.cpf = 0;               /* Never compress.  */
 546       ob.data.len = todo;
 547       memset (stuff, 0, todo);
 548       ob.data.data = stuff;
 549       sysroff_swap_ob_out (file, &ob);
 550       i += todo;
 551     }
 552   /* Now fill the rest with blanks.  */
 553 }
 554
 555 static void
 556 wr_rl (ptr, sec)
 557      struct coff_ofile *ptr ATTRIBUTE_UNUSED;
 558      struct coff_section *sec;
 559 {
 560   int nr = sec->nrelocs;
 561   int i;
 562
 563   for (i = 0; i < nr; i++)
 564     {
 565       struct coff_reloc *r = sec->relocs + i;
 566       struct coff_symbol *ref;
 567       struct IT_rl rl;
 568
 569       rl.apol = 0;
 570       rl.boundary = 0;
 571       rl.segment = 1;
 572       rl.sign = 0;
 573       rl.check = 0;
 574       rl.addr = r->offset;
 575       rl.bitloc = 0;
 576       rl.flen = 32;             /* SH Specific.  */
 577
 578       /* What sort of reloc ? Look in the section to find out.  */
 579       ref = r->symbol;
 580       if (ref->visible->type == coff_vis_ext_ref)
 581         {
 582           rl.bcount = 4;        /* Always 4 for us.  */
 583           rl.op = OP_EXT_REF;
 584           rl.symn = ref->er_number;
 585         }
 586       else if (ref->visible->type == coff_vis_common)
 587         {
 588           rl.bcount = 11;       /* Always 11 for us.  */
 589           rl.op = OP_SEC_REF;
 590           rl.secn = ref->where->section->number;
 591           rl.copcode_is_3 = 3;
 592           rl.alength_is_4 = 4;
 593           rl.addend = ref->where->offset - ref->where->section->address;
 594           rl.aopcode_is_0x20 = 0x20;
 595         }
 596       else
 597         {
 598           rl.bcount = 11;       /* Always 11 for us.  */
 599           rl.op = OP_SEC_REF;
 600           rl.secn = ref->where->section->number;
 601           rl.copcode_is_3 = 3;
 602           rl.alength_is_4 = 4;
 603           rl.addend = -ref->where->section->address;
 604           rl.aopcode_is_0x20 = 0x20;
 605         }
 606
 607       rl.end = 0xff;
 608
 609       if (   rl.op == OP_SEC_REF
 610           || rl.op == OP_EXT_REF)
 611         sysroff_swap_rl_out (file, &rl);
 612     }
 613 }
 614
 615 static void
 616 wr_object_body (p)
 617      struct coff_ofile *p;
 618 {
 619   int i;
 620
 621   for (i = 1; i < p->nsections; i++)
 622     {
 623       wr_sh (p, p->sections + i);
 624       wr_ob (p, p->sections + i);
 625       wr_rl (p, p->sections + i);
 626     }
 627 }
 628
 629 static void
 630 wr_dps_start (sfile, section, scope, type, nest)
 631      struct coff_sfile *sfile;
 632      struct coff_section *section ATTRIBUTE_UNUSED;
 633      struct coff_scope *scope;
 634      int type;
 635      int nest;
 636 {
 637   struct IT_dps dps;
 638
 639   dps.end = 0;
 640   dps.opt = 0;
 641   dps.type = type;
 642
 643   if (scope->sec)
 644     {
 645       dps.san = scope->sec->number;
 646       dps.address = scope->offset - find_base (sfile, scope->sec);
 647       dps.block_size = scope->size;
 648
 649       if (debug)
 650         {
 651           printf ("DPS %s %d %x\n",
 652                   sfile->name,
 653                   nest,
 654                   dps.address);
 655         }
 656     }
 657   else
 658     {
 659       dps.san = 0;
 660       dps.address = 0;
 661       dps.block_size = 0;
 662     }
 663
 664   dps.nesting = nest;
 665   dps.neg = 0x1001;
 666   sysroff_swap_dps_out (file, &dps);
 667 }
 668
 669 static void
 670 wr_dps_end (section, scope, type)
 671      struct coff_section *section ATTRIBUTE_UNUSED;
 672      struct coff_scope *scope ATTRIBUTE_UNUSED;
 673      int type;
 674 {
 675   struct IT_dps dps;
 676
 677   dps.end = 1;
 678   dps.type = type;
 679   sysroff_swap_dps_out (file, &dps);
 680 }
 681
 682 static int *
 683 nints (x)
 684      int x;
 685 {
 686   return (int *) (xcalloc (sizeof (int), x));
 687 }
 688
 689 static void
 690 walk_tree_type_1 (sfile, symbol, type, nest)
 691      struct coff_sfile *sfile;
 692      struct coff_symbol *symbol;
 693      struct coff_type *type;
 694      int nest;
 695 {
 696   switch (type->type)
 697     {
 698     case coff_secdef_type:
 699     case coff_basic_type:
 700       {
 701         struct IT_dbt dbt;
 702
 703         switch (type->u.basic)
 704           {
 705           case T_NULL:
 706           case T_VOID:
 707             dbt.btype = BTYPE_VOID;
 708             dbt.sign = BTYPE_UNSPEC;
 709             dbt.fptype = FPTYPE_NOTSPEC;
 710             break;
 711
 712           case T_CHAR:
 713             dbt.btype = BTYPE_CHAR;
 714             dbt.sign = BTYPE_UNSPEC;
 715             dbt.fptype = FPTYPE_NOTSPEC;
 716             break;
 717
 718           case T_SHORT:
 719           case T_INT:
 720           case T_LONG:
 721             dbt.btype = BTYPE_INT;
 722             dbt.sign = SIGN_SIGNED;
 723             dbt.fptype = FPTYPE_NOTSPEC;
 724             break;
 725
 726           case T_FLOAT:
 727             dbt.btype = BTYPE_FLOAT;
 728             dbt.fptype = FPTYPE_SINGLE;
 729             break;
 730
 731           case T_DOUBLE:
 732             dbt.btype = BTYPE_FLOAT;
 733             dbt.fptype = FPTYPE_DOUBLE;
 734             break;
 735
 736           case T_LNGDBL:
 737             dbt.btype = BTYPE_FLOAT;
 738             dbt.fptype = FPTYPE_EXTENDED;
 739             break;
 740
 741           case T_UCHAR:
 742             dbt.btype = BTYPE_CHAR;
 743             dbt.sign = SIGN_UNSIGNED;
 744             dbt.fptype = FPTYPE_NOTSPEC;
 745             break;
 746
 747           case T_USHORT:
 748           case T_UINT:
 749           case T_ULONG:
 750             dbt.btype = BTYPE_INT;
 751             dbt.sign = SIGN_UNSIGNED;
 752             dbt.fptype = FPTYPE_NOTSPEC;
 753             break;
 754           }
 755
 756         dbt.bitsize = type->size;
 757         dbt.neg = 0x1001;
 758         sysroff_swap_dbt_out (file, &dbt);
 759         break;
 760       }
 761
 762     case coff_pointer_type:
 763       {
 764         struct IT_dpt dpt;
 765
 766         walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
 767         dpt.neg = 0x1001;
 768         sysroff_swap_dpt_out (file, &dpt);
 769         break;
 770       }
 771
 772     case coff_function_type:
 773       {
 774         struct IT_dfp dfp;
 775         struct coff_symbol *param;
 776
 777         dfp.end = 0;
 778         dfp.spare = 0;
 779         dfp.nparams = type->u.function.parameters->nvars;
 780         dfp.neg = 0x1001;
 781
 782         walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
 783
 784         sysroff_swap_dfp_out (file, &dfp);
 785
 786         for (param = type->u.function.parameters->vars_head;
 787              param;
 788              param = param->next)
 789           walk_tree_symbol (sfile, 0, param, nest);
 790
 791         dfp.end = 1;
 792         sysroff_swap_dfp_out (file, &dfp);
 793         break;
 794       }
 795
 796     case coff_structdef_type:
 797       {
 798         struct IT_dbt dbt;
 799         struct IT_dds dds;
 800         struct coff_symbol *member;
 801
 802         dds.spare = 0;
 803         dbt.btype = BTYPE_STRUCT;
 804         dbt.bitsize = type->size;
 805         dbt.sign = SIGN_UNSPEC;
 806         dbt.fptype = FPTYPE_NOTSPEC;
 807         dbt.sid = get_member_id (type->u.astructdef.idx);
 808         dbt.neg = 0x1001;
 809         sysroff_swap_dbt_out (file, &dbt);
 810         dds.end = 0;
 811         dds.neg = 0x1001;
 812         sysroff_swap_dds_out (file, &dds);
 813
 814         for (member = type->u.astructdef.elements->vars_head;
 815              member;
 816              member = member->next)
 817           walk_tree_symbol (sfile, 0, member, nest + 1);
 818
 819         dds.end = 1;
 820         sysroff_swap_dds_out (file, &dds);
 821
 822       }
 823       break;
 824
 825     case coff_structref_type:
 826       {
 827         struct IT_dbt dbt;
 828
 829         dbt.btype = BTYPE_TAG;
 830         dbt.bitsize = type->size;
 831         dbt.sign = SIGN_UNSPEC;
 832         dbt.fptype = FPTYPE_NOTSPEC;
 833
 834         if (type->u.astructref.ref)
 835           dbt.sid = get_member_id (type->u.astructref.ref->number);
 836         else
 837           dbt.sid = 0;
 838
 839         dbt.neg = 0x1001;
 840         sysroff_swap_dbt_out (file, &dbt);
 841       }
 842       break;
 843
 844     case coff_array_type:
 845       {
 846         struct IT_dar dar;
 847         int j;
 848         int dims = 1;           /* Only output one dimension at a time.  */
 849
 850         dar.dims = dims;
 851         dar.variable = nints (dims);
 852         dar.subtype = nints (dims);
 853         dar.spare = nints (dims);
 854         dar.max_variable = nints (dims);
 855         dar.maxspare = nints (dims);
 856         dar.max = nints (dims);
 857         dar.min_variable = nints (dims);
 858         dar.min = nints (dims);
 859         dar.minspare = nints (dims);
 860         dar.neg = 0x1001;
 861         dar.length = type->size / type->u.array.dim;
 862
 863         for (j = 0; j < dims; j++)
 864           {
 865             dar.variable[j] = VARIABLE_FIXED;
 866             dar.subtype[j] = SUB_INTEGER;
 867             dar.spare[j] = 0;
 868             dar.max_variable[j] = 0;
 869             dar.max[j] = type->u.array.dim;
 870             dar.min_variable[j] = 0;
 871             dar.min[j] = 1;     /* Why isn't this 0 ? */
 872           }
 873         walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
 874         sysroff_swap_dar_out (file, &dar);
 875       }
 876       break;
 877
 878     case coff_enumdef_type:
 879       {
 880         struct IT_dbt dbt;
 881         struct IT_den den;
 882         struct coff_symbol *member;
 883
 884         dbt.btype = BTYPE_ENUM;
 885         dbt.bitsize = type->size;
 886         dbt.sign = SIGN_UNSPEC;
 887         dbt.fptype = FPTYPE_NOTSPEC;
 888         dbt.sid = get_member_id (type->u.aenumdef.idx);
 889         dbt.neg = 0x1001;
 890         sysroff_swap_dbt_out (file, &dbt);
 891
 892         den.end = 0;
 893         den.neg = 0x1001;
 894         den.spare = 0;
 895         sysroff_swap_den_out (file, &den);
 896
 897         for (member = type->u.aenumdef.elements->vars_head;
 898              member;
 899              member = member->next)
 900           walk_tree_symbol (sfile, 0, member, nest + 1);
 901
 902         den.end = 1;
 903         sysroff_swap_den_out (file, &den);
 904       }
 905       break;
 906
 907     case coff_enumref_type:
 908       {
 909         struct IT_dbt dbt;
 910
 911         dbt.btype = BTYPE_TAG;
 912         dbt.bitsize = type->size;
 913         dbt.sign = SIGN_UNSPEC;
 914         dbt.fptype = FPTYPE_NOTSPEC;
 915         dbt.sid = get_member_id (type->u.aenumref.ref->number);
 916         dbt.neg = 0x1001;
 917         sysroff_swap_dbt_out (file, &dbt);
 918       }
 919       break;
 920
 921     default:
 922       abort ();
 923     }
 924 }
 925
 926 /* Obsolete ?
 927    static void
 928    dty_start ()
 929    {
 930    struct IT_dty dty;
 931    dty.end = 0;
 932    dty.neg = 0x1001;
 933    dty.spare = 0;
 934    sysroff_swap_dty_out (file, &dty);
 935    }
 936
 937    static void
 938    dty_stop ()
 939    {
 940    struct IT_dty dty;
 941    dty.end = 0;
 942    dty.neg = 0x1001;
 943    dty.end = 1;
 944    sysroff_swap_dty_out (file, &dty);
 945    }
 946
 947
 948    static void
 949    dump_tree_structure (sfile, symbol, type, nest)
 950    struct coff_sfile *sfile;
 951    struct coff_symbol *symbol;
 952    struct coff_type *type;
 953    int nest;
 954    {
 955    if (symbol->type->type == coff_function_type)
 956    {
 957
 958
 959    }
 960
 961    }
 962  */
 963
 964 static void
 965 walk_tree_type (sfile, symbol, type, nest)
 966      struct coff_sfile *sfile;
 967      struct coff_symbol *symbol;
 968      struct coff_type *type;
 969      int nest;
 970 {
 971   if (symbol->type->type == coff_function_type)
 972     {
 973       struct IT_dty dty;
 974
 975       dty.end = 0;
 976       dty.neg = 0x1001;
 977
 978       sysroff_swap_dty_out (file, &dty);
 979       walk_tree_type_1 (sfile, symbol, type, nest);
 980       dty.end = 1;
 981       sysroff_swap_dty_out (file, &dty);
 982
 983       wr_dps_start (sfile,
 984                     symbol->where->section,
 985                     symbol->type->u.function.code,
 986                     BLOCK_TYPE_FUNCTION, nest);
 987       wr_dps_start (sfile, symbol->where->section,
 988                     symbol->type->u.function.code,
 989                     BLOCK_TYPE_BLOCK, nest);
 990       walk_tree_scope (symbol->where->section,
 991                        sfile,
 992                        symbol->type->u.function.code,
 993                        nest + 1, BLOCK_TYPE_BLOCK);
 994
 995       wr_dps_end (symbol->where->section,
 996                   symbol->type->u.function.code,
 997                   BLOCK_TYPE_BLOCK);
 998       wr_dps_end (symbol->where->section,
 999                   symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
1000     }
1001   else
1002     {
1003       struct IT_dty dty;
1004
1005       dty.end = 0;
1006       dty.neg = 0x1001;
1007       sysroff_swap_dty_out (file, &dty);
1008       walk_tree_type_1 (sfile, symbol, type, nest);
1009       dty.end = 1;
1010       sysroff_swap_dty_out (file, &dty);
1011     }
1012 }
1013
1014 static void
1015 walk_tree_symbol (sfile, section, symbol, nest)
1016      struct coff_sfile *sfile;
1017      struct coff_section *section ATTRIBUTE_UNUSED;
1018      struct coff_symbol *symbol;
1019      int nest;
1020 {
1021   struct IT_dsy dsy;
1022
1023   memset (&dsy, 0, sizeof(dsy));
1024   dsy.nesting = nest;
1025
1026   switch (symbol->type->type)
1027     {
1028     case coff_function_type:
1029       dsy.type = STYPE_FUNC;
1030       dsy.assign = 1;
1031       break;
1032
1033     case coff_structref_type:
1034     case coff_pointer_type:
1035     case coff_array_type:
1036     case coff_basic_type:
1037     case coff_enumref_type:
1038       dsy.type = STYPE_VAR;
1039       dsy.assign = 1;
1040       break;
1041
1042     case coff_enumdef_type:
1043       dsy.type = STYPE_TAG;
1044       dsy.assign = 0;
1045       dsy.magic = 2;
1046       break;
1047
1048     case coff_structdef_type:
1049       dsy.type = STYPE_TAG;
1050       dsy.assign = 0;
1051       dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
1052       break;
1053
1054     case coff_secdef_type:
1055       return;
1056
1057     default:
1058       abort ();
1059     }
1060
1061   if (symbol->where->where == coff_where_member_of_struct)
1062     {
1063       dsy.assign = 0;
1064       dsy.type = STYPE_MEMBER;
1065     }
1066
1067   if (symbol->where->where == coff_where_member_of_enum)
1068     {
1069       dsy.type = STYPE_ENUM;
1070       dsy.assign = 0;
1071       dsy.evallen = 4;
1072       dsy.evalue = symbol->where->offset;
1073     }
1074
1075   if (symbol->type->type == coff_structdef_type
1076       || symbol->where->where == coff_where_entag
1077       || symbol->where->where == coff_where_strtag)
1078     {
1079       dsy.snumber = get_member_id (symbol->number);
1080     }
1081   else
1082     {
1083       dsy.snumber = get_ordinary_id (symbol->number);
1084     }
1085
1086   dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
1087
1088   switch (symbol->visible->type)
1089     {
1090     case coff_vis_common:
1091     case coff_vis_ext_def:
1092       dsy.ainfo = AINFO_STATIC_EXT_DEF;
1093       break;
1094
1095     case coff_vis_ext_ref:
1096       dsy.ainfo = AINFO_STATIC_EXT_REF;
1097       break;
1098
1099     case coff_vis_int_def:
1100       dsy.ainfo = AINFO_STATIC_INT;
1101       break;
1102
1103     case coff_vis_auto:
1104     case coff_vis_autoparam:
1105       dsy.ainfo = AINFO_AUTO;
1106       break;
1107
1108     case coff_vis_register:
1109     case coff_vis_regparam:
1110       dsy.ainfo = AINFO_REG;
1111       break;
1112       break;
1113
1114     case coff_vis_tag:
1115     case coff_vis_member_of_struct:
1116     case coff_vis_member_of_enum:
1117       break;
1118
1119     default:
1120       abort ();
1121     }
1122
1123   dsy.dlength = symbol->type->size;
1124
1125   switch (symbol->where->where)
1126     {
1127     case coff_where_memory:
1128
1129       dsy.section = symbol->where->section->number;
1130 #ifdef FOOP
1131       dsy.section = 0;
1132 #endif
1133       break;
1134
1135     case coff_where_member_of_struct:
1136     case coff_where_member_of_enum:
1137     case coff_where_stack:
1138     case coff_where_register:
1139     case coff_where_unknown:
1140     case coff_where_strtag:
1141     case coff_where_entag:
1142     case coff_where_typedef:
1143       break;
1144
1145     default:
1146       abort ();
1147     }
1148
1149   switch (symbol->where->where)
1150     {
1151     case coff_where_memory:
1152       dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1153       break;
1154
1155     case coff_where_stack:
1156       dsy.address = symbol->where->offset;
1157       break;
1158
1159     case coff_where_member_of_struct:
1160       if (symbol->where->bitsize)
1161         {
1162           int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1163           dsy.bitunit = 1;
1164           dsy.field_len = symbol->where->bitsize;
1165           dsy.field_off = (bits / 32) * 4;
1166           dsy.field_bitoff = bits % 32;
1167         }
1168       else
1169         {
1170           dsy.bitunit = 0;
1171
1172           dsy.field_len = symbol->type->size;
1173           dsy.field_off = symbol->where->offset;
1174         }
1175       break;
1176
1177     case coff_where_member_of_enum:
1178       /*      dsy.bitunit = 0;
1179          dsy.field_len  = symbol->type->size;
1180          dsy.field_off = symbol->where->offset; */
1181       break;
1182
1183     case coff_where_register:
1184     case coff_where_unknown:
1185     case coff_where_strtag:
1186     case coff_where_entag:
1187     case coff_where_typedef:
1188       break;
1189
1190     default:
1191       abort ();
1192     }
1193
1194   if (symbol->where->where == coff_where_register)
1195     dsy.reg = rnames[symbol->where->offset];
1196
1197   switch (symbol->visible->type)
1198     {
1199     case coff_vis_common:
1200       /* We do this 'cause common C symbols are treated as extdefs.  */
1201     case coff_vis_ext_def:
1202     case coff_vis_ext_ref:
1203       dsy.ename = symbol->name;
1204       break;
1205
1206     case coff_vis_regparam:
1207     case coff_vis_autoparam:
1208       dsy.type = STYPE_PARAMETER;
1209       break;
1210
1211     case coff_vis_int_def:
1212     case coff_vis_auto:
1213     case coff_vis_register:
1214     case coff_vis_tag:
1215     case coff_vis_member_of_struct:
1216     case coff_vis_member_of_enum:
1217       break;
1218
1219     default:
1220       abort ();
1221     }
1222
1223   dsy.sfn = 0;
1224   dsy.sln = 2;
1225   dsy.neg = 0x1001;
1226
1227   sysroff_swap_dsy_out (file, &dsy);
1228
1229   walk_tree_type (sfile, symbol, symbol->type, nest);
1230 }
1231
1232 static void
1233 walk_tree_scope (section, sfile, scope, nest, type)
1234      struct coff_section *section;
1235      struct coff_sfile *sfile;
1236      struct coff_scope *scope;
1237      int nest;
1238      int type;
1239 {
1240   struct coff_symbol *vars;
1241   struct coff_scope *child;
1242
1243   if (scope->vars_head
1244       || (scope->list_head && scope->list_head->vars_head))
1245     {
1246       wr_dps_start (sfile, section, scope, type, nest);
1247
1248       if (nest == 0)
1249         wr_globals (tree, sfile, nest + 1);
1250
1251       for (vars = scope->vars_head; vars; vars = vars->next)
1252         walk_tree_symbol (sfile, section, vars, nest);
1253
1254       for (child = scope->list_head; child; child = child->next)
1255         walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1256
1257       wr_dps_end (section, scope, type);
1258     }
1259 }
1260
1261 static void
1262 walk_tree_sfile (section, sfile)
1263      struct coff_section *section;
1264      struct coff_sfile *sfile;
1265 {
1266   walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1267 }
1268
1269 static void
1270 wr_program_structure (p, sfile)
1271      struct coff_ofile *p;
1272      struct coff_sfile *sfile;
1273 {
1274   walk_tree_sfile (p->sections + 4, sfile);
1275 }
1276
1277 static void
1278 wr_du (p, sfile, n)
1279      struct coff_ofile *p;
1280      struct coff_sfile *sfile;
1281      int n;
1282 {
1283   struct IT_du du;
1284   int lim;
1285 #if 0
1286   struct coff_symbol *symbol;
1287   static int incit = 0x500000;
1288   int used = 0;
1289 #endif
1290   int i;
1291   int j;
1292   unsigned int *lowest = (unsigned *) nints (p->nsections);
1293   unsigned int *highest = (unsigned *) nints (p->nsections);
1294
1295   du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1296   du.optimized = 0;
1297   du.stackfrmt = 0;
1298   du.spare = 0;
1299   du.unit = n;
1300   du.sections = p->nsections - 1;
1301   du.san = (int *) xcalloc (sizeof (int), du.sections);
1302   du.address = nints (du.sections);
1303   du.length = nints (du.sections);
1304
1305   for (i = 0; i < du.sections; i++)
1306     {
1307       lowest[i] = ~0;
1308       highest[i] = 0;
1309     }
1310
1311   /* Look through all the symbols and try and work out the extents in this
1312      source file.  */
1313 #if 0
1314   for (symbol = sfile->scope->vars_head;
1315        symbol;
1316        symbol = symbol->next)
1317     {
1318       if (symbol->type->type == coff_secdef_type)
1319         {
1320           unsigned int low = symbol->where->offset;
1321           unsigned int high = symbol->where->offset + symbol->type->size - 1;
1322           struct coff_section *section = symbol->where->section;
1323
1324           int sn = section->number;
1325           if (low < lowest[sn])
1326             lowest[sn] = low;
1327           if (high > highest[sn])
1328             highest[sn] = high;
1329         }
1330     }
1331
1332   for (i = 0; i < du.sections; i++)
1333     {
1334       if (highest[i] == 0)
1335         lowest[i] = highest[i] = incit;
1336
1337       du.san[used] = i;
1338       du.length[used] = highest[i] - lowest[i];
1339       du.address[used] = bfd_get_file_flags (abfd) & EXEC_P ? lowest[i] : 0;
1340
1341       if (debug)
1342         {
1343           printf (" section %6s 0x%08x..0x%08x\n",
1344                   p->sections[i + 1].name,
1345                   lowest[i],
1346                   highest[i]);
1347         }
1348       used++;
1349     }
1350 #endif
1351
1352   lim = du.sections;
1353   for (j = 0; j < lim; j++)
1354     {
1355       int src = j;
1356       int dst = j;
1357
1358       du.san[dst] = dst;
1359
1360       if (sfile->section[src].init)
1361         {
1362           du.length[dst]
1363             = sfile->section[src].high - sfile->section[src].low + 1;
1364           du.address[dst]
1365             = sfile->section[src].low;
1366         }
1367       else
1368         {
1369           du.length[dst] = 0;
1370           du.address[dst] = 0;
1371         }
1372
1373       if (debug)
1374         {
1375           if (sfile->section[src].parent)
1376             {
1377               printf (" section %6s 0x%08x..0x%08x\n",
1378                       sfile->section[src].parent->name,
1379                       du.address[dst],
1380                       du.address[dst] + du.length[dst] - 1);
1381             }
1382         }
1383
1384       du.sections = dst + 1;
1385     }
1386
1387   du.tool = "c_gcc";
1388   du.date = DATE;
1389
1390   sysroff_swap_du_out (file, &du);
1391 }
1392
1393 static void
1394 wr_dus (p, sfile)
1395      struct coff_ofile *p ATTRIBUTE_UNUSED;
1396      struct coff_sfile *sfile;
1397 {
1398   struct IT_dus dus;
1399
1400   dus.efn = 0x1001;
1401   dus.ns = 1;                   /* p->nsources; sac 14 jul 94 */
1402   dus.drb = nints (dus.ns);
1403   dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1404   dus.spare = nints (dus.ns);
1405   dus.ndir = 0;
1406   /* Find the filenames.  */
1407 #if 0
1408   i = 0;
1409
1410   for (sfile = p->source_head;
1411        sfile;
1412        sfile = sfile->next)
1413     {
1414       dus.drb[i] = 0;
1415       dus.spare[i] = 0;
1416       dus.fname[i] = sfile->name;
1417       i++;
1418     }
1419 #else
1420   dus.drb[0] = 0;
1421   dus.fname[0] = sfile->name;
1422 #endif
1423
1424   sysroff_swap_dus_out (file, &dus);
1425
1426 }
1427
1428 /* Find the offset of the .text section for this sfile in the
1429    .text section for the output file.  */
1430
1431 static int
1432 find_base (sfile, section)
1433      struct coff_sfile *sfile;
1434      struct coff_section *section;
1435 {
1436   return sfile->section[section->number].low;
1437 }
1438
1439 static void
1440 wr_dln (p, sfile, n)
1441      struct coff_ofile *p ATTRIBUTE_UNUSED;
1442      struct coff_sfile *sfile;
1443      int n ATTRIBUTE_UNUSED;
1444
1445 {
1446 #if 0
1447   if (n == 0)
1448     {
1449       /* Count up all the linenumbers */
1450       struct coff_symbol *sy;
1451       int lc = 0;
1452       struct IT_dln dln;
1453
1454       int idx;
1455
1456       for (sy = p->symbol_list_head;
1457            sy;
1458            sy = sy->next_in_ofile_list)
1459         {
1460           struct coff_type *t = sy->type;
1461           if (t->type == coff_function_type)
1462             {
1463               struct coff_line *l = t->u.function.lines;
1464               lc += l->nlines;
1465             }
1466         }
1467
1468       dln.sfn = nints (lc);
1469       dln.sln = nints (lc);
1470       dln.lln = nints (lc);
1471       dln.section = nints (lc);
1472
1473       dln.from_address = nints (lc);
1474       dln.to_address = nints (lc);
1475
1476
1477       dln.neg = 0x1001;
1478
1479       dln.nln = lc;
1480
1481       /* Run through once more and fill up the structure */
1482       idx = 0;
1483       for (sy = p->symbol_list_head;
1484            sy;
1485            sy = sy->next_in_ofile_list)
1486         {
1487           if (sy->type->type == coff_function_type)
1488             {
1489               int i;
1490               struct coff_line *l = sy->type->u.function.lines;
1491               for (i = 0; i < l->nlines; i++)
1492                 {
1493                   dln.section[idx] = sy->where->section->number;
1494                   dln.sfn[idx] = n;
1495                   dln.sln[idx] = l->lines[i];
1496                   dln.from_address[idx] = l->addresses[i];
1497                   if (idx)
1498                     dln.to_address[idx - 1] = dln.from_address[idx];
1499                   idx++;
1500                 }
1501             }
1502           n++;
1503         }
1504       sysroff_swap_dln_out (file, &dln);
1505     }
1506
1507 #endif
1508 #if 1
1509   /* Count up all the linenumbers */
1510
1511   struct coff_symbol *sy;
1512   int lc = 0;
1513   struct IT_dln dln;
1514
1515   int idx;
1516
1517   for (sy = sfile->scope->vars_head;
1518        sy;
1519        sy = sy->next)
1520     {
1521       struct coff_type *t = sy->type;
1522       if (t->type == coff_function_type)
1523         {
1524           struct coff_line *l = t->u.function.lines;
1525           if (l)
1526             lc += l->nlines;
1527         }
1528     }
1529
1530   dln.sfn = nints (lc);
1531   dln.sln = nints (lc);
1532   dln.cc = nints (lc);
1533   dln.section = nints (lc);
1534
1535   dln.from_address = nints (lc);
1536   dln.to_address = nints (lc);
1537
1538
1539   dln.neg = 0x1001;
1540
1541   dln.nln = lc;
1542
1543   /* Run through once more and fill up the structure */
1544   idx = 0;
1545   for (sy = sfile->scope->vars_head;
1546        sy;
1547        sy = sy->next)
1548     {
1549       if (sy->type->type == coff_function_type)
1550         {
1551           int i;
1552           struct coff_line *l = sy->type->u.function.lines;
1553           if (l)
1554             {
1555               int base = find_base (sfile, sy->where->section);
1556               for (i = 0; i < l->nlines; i++)
1557                 {
1558                   dln.section[idx] = sy->where->section->number;
1559                   dln.sfn[idx] = 0;
1560                   dln.sln[idx] = l->lines[i];
1561                   dln.from_address[idx] =
1562                     l->addresses[i] + sy->where->section->address - base;
1563                   dln.cc[idx] = 0;
1564                   if (idx)
1565                     dln.to_address[idx - 1] = dln.from_address[idx];
1566                   idx++;
1567
1568                 }
1569               dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1570             }
1571         }
1572     }
1573   if (lc)
1574     sysroff_swap_dln_out (file, &dln);
1575 #endif
1576 }
1577
1578 /* Write the global symbols out to the debug info.  */
1579
1580 static void
1581 wr_globals (p, sfile, n)
1582      struct coff_ofile *p;
1583      struct coff_sfile *sfile;
1584      int n ATTRIBUTE_UNUSED;
1585 {
1586   struct coff_symbol *sy;
1587
1588   for (sy = p->symbol_list_head;
1589        sy;
1590        sy = sy->next_in_ofile_list)
1591     {
1592       if (sy->visible->type == coff_vis_ext_def
1593           || sy->visible->type == coff_vis_ext_ref)
1594         {
1595           /* Only write out symbols if they belong to
1596              the current source file.  */
1597           if (sy->sfile == sfile)
1598             walk_tree_symbol (sfile, 0, sy, 0);
1599         }
1600     }
1601 }
1602
1603 static void
1604 wr_debug (p)
1605      struct coff_ofile *p;
1606 {
1607   struct coff_sfile *sfile;
1608   int n = 0;
1609
1610   for (sfile = p->source_head;
1611        sfile;
1612        sfile = sfile->next)
1613     {
1614       if (debug)
1615         printf ("%s\n", sfile->name);
1616
1617       wr_du (p, sfile, n);
1618       wr_dus (p, sfile);
1619       wr_program_structure (p, sfile);
1620       wr_dln (p, sfile, n);
1621       n++;
1622     }
1623 }
1624
1625 static void
1626 wr_cs ()
1627 {
1628   /* It seems that the CS struct is not normal - the size is wrong
1629      heres one I prepared earlier.  */
1630   static char b[] =
1631     {
1632     0x80,                       /* IT */
1633     0x21,                       /* RL */
1634     0x00,                       /* number of chars in variable length part */
1635     0x80,                       /* hd */
1636     0x00,                       /* hs */
1637     0x80,                       /* un */
1638     0x00,                       /* us */
1639     0x80,                       /* sc */
1640     0x00,                       /* ss */
1641     0x80,                       /* er */
1642     0x80,                       /* ed */
1643     0x80,                       /* sh */
1644     0x80,                       /* ob */
1645     0x80,                       /* rl */
1646     0x80,                       /* du */
1647     0x80,                       /* dps */
1648     0x80,                       /* dsy */
1649     0x80,                       /* dty */
1650     0x80,                       /* dln */
1651     0x80,                       /* dso */
1652     0x80,                       /* dus */
1653     0x00,                       /* dss */
1654     0x80,                       /* dbt */
1655     0x00,                       /* dpp */
1656     0x80,                       /* dfp */
1657     0x80,                       /* den */
1658     0x80,                       /* dds */
1659     0x80,                       /* dar */
1660     0x80,                       /* dpt */
1661     0x00,                       /* dul */
1662     0x00,                       /* dse */
1663     0x00,                       /* dot */
1664     0xDE                        /* CS */
1665   };
1666   fwrite (b, 1, sizeof (b), file);
1667 }
1668
1669 /* Write out the SC records for a unit.  Create an SC
1670    for all the sections which appear in the output file, even
1671    if there isn't an equivalent one on the input.  */
1672
1673 static int
1674 wr_sc (ptr, sfile)
1675      struct coff_ofile *ptr;
1676      struct coff_sfile *sfile;
1677 {
1678   int i;
1679   int scount = 0;
1680   /* First work out the total number of sections.  */
1681   int total_sec = ptr->nsections;
1682   struct myinfo
1683     {
1684       struct coff_section *sec;
1685       struct coff_symbol *symbol;
1686     };
1687   struct coff_symbol *symbol;
1688   struct myinfo *info
1689     = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1690
1691
1692   for (i = 0; i < total_sec; i++)
1693     {
1694       info[i].sec = ptr->sections + i;
1695       info[i].symbol = 0;
1696     }
1697
1698   for (symbol = sfile->scope->vars_head;
1699        symbol;
1700        symbol = symbol->next)
1701     {
1702
1703       if (symbol->type->type == coff_secdef_type)
1704         {
1705           for (i = 0; i < total_sec; i++)
1706             {
1707               if (symbol->where->section == info[i].sec)
1708                 {
1709                   info[i].symbol = symbol;
1710                   break;
1711                 }
1712             }
1713         }
1714     }
1715
1716   /* Now output all the section info, and fake up some stuff for sections
1717      we don't have.  */
1718   for (i = 1; i < total_sec; i++)
1719     {
1720       struct IT_sc sc;
1721       char *name;
1722
1723       symbol = info[i].symbol;
1724       sc.spare = 0;
1725       sc.spare1 = 0;
1726
1727       if (!symbol)
1728         {
1729           /* Don't have a symbol set aside for this section, which means
1730              that nothing in this file does anything for the section.  */
1731           sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1732           sc.addr = 0;
1733           sc.length = 0;
1734           name = info[i].sec->name;
1735         }
1736       else
1737         {
1738           if (bfd_get_file_flags (abfd) & EXEC_P)
1739             {
1740               sc.format = 0;
1741               sc.addr = symbol->where->offset;
1742             }
1743           else
1744             {
1745               sc.format = 1;
1746               sc.addr = 0;
1747             }
1748           sc.length = symbol->type->size;
1749           name = symbol->name;
1750         }
1751
1752       sc.align = 4;
1753       sc.concat = CONCAT_SIMPLE;
1754       sc.read = 3;
1755       sc.write = 3;
1756       sc.exec = 3;
1757       sc.init = 3;
1758       sc.mode = 3;
1759       sc.spare = 0;
1760       sc.segadd = 0;
1761       sc.spare1 = 0;            /* If not zero, then it doesn't work.  */
1762       sc.name = section_translate (name);
1763
1764       if (strlen (sc.name) == 1)
1765         {
1766           switch (sc.name[0])
1767             {
1768             case 'D':
1769             case 'B':
1770               sc.contents = CONTENTS_DATA;
1771               break;
1772
1773             default:
1774               sc.contents = CONTENTS_CODE;
1775             }
1776         }
1777       else
1778         {
1779           sc.contents = CONTENTS_CODE;
1780         }
1781 #if 0
1782       /* NEW */
1783       if (sc.length)
1784         {
1785 #endif
1786           sysroff_swap_sc_out (file, &sc);
1787           scount++;
1788 #if 0
1789         }
1790 #endif
1791     }
1792   return scount;
1793 }
1794
1795 /* Write out the ER records for a unit.  */
1796
1797 static void
1798 wr_er (ptr, sfile, first)
1799      struct coff_ofile *ptr;
1800      struct coff_sfile *sfile ATTRIBUTE_UNUSED;
1801      int first;
1802 {
1803   int idx = 0;
1804   struct coff_symbol *sym;
1805
1806   if (first)
1807     {
1808       for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1809         {
1810           if (sym->visible->type == coff_vis_ext_ref)
1811             {
1812               struct IT_er er;
1813
1814               er.spare = 0;
1815               er.type = ER_NOTSPEC;
1816               er.name = sym->name;
1817               sysroff_swap_er_out (file, &er);
1818               sym->er_number = idx++;
1819             }
1820         }
1821     }
1822 }
1823
1824 /* Write out the ED records for a unit.  */
1825
1826 static void
1827 wr_ed (ptr, sfile, first)
1828      struct coff_ofile *ptr;
1829      struct coff_sfile *sfile ATTRIBUTE_UNUSED;
1830      int first;
1831 {
1832   struct coff_symbol *s;
1833
1834   if (first)
1835     {
1836       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1837         {
1838           if (s->visible->type == coff_vis_ext_def
1839               || s->visible->type == coff_vis_common)
1840             {
1841               struct IT_ed ed;
1842
1843               ed.section = s->where->section->number;
1844               ed.spare = 0;
1845
1846               if (s->where->section->data)
1847                 {
1848                   ed.type = ED_TYPE_DATA;
1849                 }
1850               else if (s->where->section->code & SEC_CODE)
1851                 {
1852                   ed.type = ED_TYPE_ENTRY;
1853                 }
1854               else
1855                 {
1856                   ed.type = ED_TYPE_NOTSPEC;
1857                   ed.type = ED_TYPE_DATA;
1858                 }
1859
1860               ed.address = s->where->offset - s->where->section->address;
1861               ed.name = s->name;
1862               sysroff_swap_ed_out (file, &ed);
1863             }
1864         }
1865     }
1866 }
1867
1868 static void
1869 wr_unit_info (ptr)
1870      struct coff_ofile *ptr;
1871 {
1872   struct coff_sfile *sfile;
1873   int first = 1;
1874
1875   for (sfile = ptr->source_head;
1876        sfile;
1877        sfile = sfile->next)
1878     {
1879       long p1;
1880       long p2;
1881       int nsecs;
1882
1883       p1 = ftell (file);
1884       wr_un (ptr, sfile, first, 0);
1885       nsecs = wr_sc (ptr, sfile);
1886       p2 = ftell (file);
1887       fseek (file, p1, SEEK_SET);
1888       wr_un (ptr, sfile, first, nsecs);
1889       fseek (file, p2, SEEK_SET);
1890       wr_er (ptr, sfile, first);
1891       wr_ed (ptr, sfile, first);
1892       first = 0;
1893     }
1894 }
1895
1896 static void
1897 wr_module (p)
1898      struct coff_ofile *p;
1899 {
1900   wr_cs ();
1901   wr_hd (p);
1902   wr_unit_info (p);
1903   wr_object_body (p);
1904   wr_debug (p);
1905   wr_tr ();
1906 }
1907
1908 static int
1909 align (x)
1910      int x;
1911 {
1912   return (x + 3) & ~3;
1913 }
1914
1915 /* Find all the common variables and turn them into
1916    ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1917
1918 static void
1919 prescan (tree)
1920      struct coff_ofile *tree;
1921 {
1922   struct coff_symbol *s;
1923   struct coff_section *common_section;
1924
1925   /* Find the common section - always section 3.  */
1926   common_section = tree->sections + 3;
1927
1928   for (s = tree->symbol_list_head;
1929        s;
1930        s = s->next_in_ofile_list)
1931     {
1932       if (s->visible->type == coff_vis_common)
1933         {
1934           struct coff_where *w = s->where;
1935           /*      s->visible->type = coff_vis_ext_def; leave it as common */
1936           common_section->size = align (common_section->size);
1937           w->offset = common_section->size + common_section->address;
1938           w->section = common_section;
1939           common_section->size += s->type->size;
1940           common_section->size = align (common_section->size);
1941         }
1942     }
1943 }
1944
1945 char *program_name;
1946
1947 static void
1948 show_usage (file, status)
1949      FILE *file;
1950      int status;
1951 {
1952   fprintf (file, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1953   fprintf (file, _("Convert a COFF object file into a SYSROFF object file\n"));
1954   fprintf (file, _(" The options are:\n\
1955   -q --quick       (Obsolete - ignoerd)\n\
1956   -n --noprescan   Do not perform a scan to convert commons into defs\n\
1957   -d --debug       Display information about what is being done\n\
1958   -h --help        Display this information\n\
1959   -v --version     Print the program's version number\n"));
1960
1961   if (status == 0)
1962     fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1963   exit (status);
1964 }
1965
1966 int
1967 main (ac, av)
1968      int ac;
1969      char *av[];
1970 {
1971   int opt;
1972   static struct option long_options[] =
1973   {
1974     {"debug", no_argument, 0, 'd'},
1975     {"quick", no_argument, 0, 'q'},
1976     {"noprescan", no_argument, 0, 'n'},
1977     {"help", no_argument, 0, 'h'},
1978     {"version", no_argument, 0, 'V'},
1979     {NULL, no_argument, 0, 0}
1980   };
1981   char **matching;
1982   char *input_file;
1983   char *output_file;
1984
1985 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1986   setlocale (LC_MESSAGES, "");
1987 #endif
1988 #if defined (HAVE_SETLOCALE)
1989   setlocale (LC_CTYPE, "");
1990 #endif
1991   bindtextdomain (PACKAGE, LOCALEDIR);
1992   textdomain (PACKAGE);
1993
1994   program_name = av[0];
1995   xmalloc_set_program_name (program_name);
1996
1997   while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1998                              (int *) NULL))
1999          != EOF)
2000     {
2001       switch (opt)
2002         {
2003         case 'q':
2004           quick = 1;
2005           break;
2006         case 'n':
2007           noprescan = 1;
2008           break;
2009         case 'd':
2010           debug = 1;
2011           break;
2012         case 'H':
2013         case 'h':
2014           show_usage (stdout, 0);
2015           /*NOTREACHED */
2016         case 'v':
2017         case 'V':
2018           print_version ("srconv");
2019           exit (0);
2020           /*NOTREACHED */
2021         case 0:
2022           break;
2023         default:
2024           show_usage (stderr, 1);
2025           /*NOTREACHED */
2026         }
2027     }
2028
2029   /* The input and output files may be named on the command line.  */
2030   output_file = NULL;
2031   if (optind < ac)
2032     {
2033       input_file = av[optind];
2034       ++optind;
2035       if (optind < ac)
2036         {
2037           output_file = av[optind];
2038           ++optind;
2039           if (optind < ac)
2040             show_usage (stderr, 1);
2041           if (strcmp (input_file, output_file) == 0)
2042             {
2043               fatal (_("input and output files must be different"));
2044             }
2045         }
2046     }
2047   else
2048     input_file = 0;
2049
2050   if (!input_file)
2051     {
2052       fatal (_("no input file specified"));
2053     }
2054
2055   if (!output_file)
2056     {
2057       /* Take a .o off the input file and stick on a .obj.  If
2058          it doesn't end in .o, then stick a .obj on anyway */
2059
2060       int len = strlen (input_file);
2061
2062       output_file = xmalloc (len + 5);
2063       strcpy (output_file, input_file);
2064
2065       if (len > 3
2066           && output_file[len - 2] == '.'
2067           && output_file[len - 1] == 'o')
2068         {
2069           output_file[len] = 'b';
2070           output_file[len + 1] = 'j';
2071           output_file[len + 2] = 0;
2072         }
2073       else
2074         {
2075           strcat (output_file, ".obj");
2076         }
2077     }
2078
2079   abfd = bfd_openr (input_file, 0);
2080
2081   if (!abfd)
2082     bfd_fatal (input_file);
2083
2084   if (!bfd_check_format_matches (abfd, bfd_object, &matching))
2085     {
2086       bfd_nonfatal (input_file);
2087
2088       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
2089         {
2090           list_matching_formats (matching);
2091           free (matching);
2092         }
2093       exit (1);
2094     }
2095
2096   file = fopen (output_file, FOPEN_WB);
2097
2098   if (!file)
2099     fatal (_("unable to open output file %s"), output_file);
2100
2101   if (debug)
2102     printf ("ids %d %d\n", base1, base2);
2103
2104   tree = coff_grok (abfd);
2105
2106   if (!noprescan)
2107     prescan (tree);
2108
2109   wr_module (tree);
2110   return 0;
2111 }