binutils/srconv.c

   1 /* srconv.c -- Sysroff conversion program
   2    Copyright (C) 1994-2015 Free Software Foundation, Inc.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  19    02110-1301, USA.  */
  20
  21 /* Written by Steve Chamberlain (sac@cygnus.com)
  22
  23    This program can be used to convert a coff object file
  24    into a Hitachi OM/LM (Sysroff) format.
  25
  26    All debugging information is preserved */
  27
  28 #include "sysdep.h"
  29 #include "bfd.h"
  30 #include "bucomm.h"
  31 #include "sysroff.h"
  32 #include "coffgrok.h"
  33 #include "libiberty.h"
  34 #include "filenames.h"
  35 #include "getopt.h"
  36
  37 #include "coff/internal.h"
  38 #include "../bfd/libcoff.h"
  39
  40 /*#define FOOP1 1 */
  41
  42 static int addrsize;
  43 static char *toolname;
  44 static char **rnames;
  45
  46 static int get_member_id (int);
  47 static int get_ordinary_id (int);
  48 static char *section_translate (char *);
  49 static char *strip_suffix (const char *);
  50 static void checksum (FILE *, unsigned char *, int, int);
  51 static void writeINT (int, unsigned char *, int *, int, FILE *);
  52 static void writeBITS (int, unsigned char *, int *, int);
  53 static void writeBARRAY (barray, unsigned char *, int *, int, FILE *);
  54 static void writeCHARS (char *, unsigned char *, int *, int, FILE *);
  55 static void wr_tr (void);
  56 static void wr_un (struct coff_ofile *, struct coff_sfile *, int, int);
  57 static void wr_hd (struct coff_ofile *);
  58 static void wr_sh (struct coff_ofile *, struct coff_section *);
  59 static void wr_ob (struct coff_ofile *, struct coff_section *);
  60 static void wr_rl (struct coff_ofile *, struct coff_section *);
  61 static void wr_object_body (struct coff_ofile *);
  62 static void wr_dps_start
  63   (struct coff_sfile *, struct coff_section *, struct coff_scope *, int, int);
  64 static void wr_dps_end (struct coff_section *, struct coff_scope *, int);
  65 static int *nints (int);
  66 static void walk_tree_type_1
  67   (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
  68 static void walk_tree_type
  69   (struct coff_sfile *, struct coff_symbol *, struct coff_type *, int);
  70 static void walk_tree_symbol
  71   (struct coff_sfile *, struct coff_section *, struct coff_symbol *, int);
  72 static void walk_tree_scope
  73   (struct coff_section *, struct coff_sfile *, struct coff_scope *, int, int);
  74 static void walk_tree_sfile (struct coff_section *, struct coff_sfile *);
  75 static void wr_program_structure (struct coff_ofile *, struct coff_sfile *);
  76 static void wr_du (struct coff_ofile *, struct coff_sfile *, int);
  77 static void wr_dus (struct coff_ofile *, struct coff_sfile *);
  78 static int find_base (struct coff_sfile *, struct coff_section *);
  79 static void wr_dln (struct coff_ofile *, struct coff_sfile *, int);
  80 static void wr_globals (struct coff_ofile *, struct coff_sfile *, int);
  81 static void wr_debug (struct coff_ofile *);
  82 static void wr_cs (void);
  83 static int wr_sc (struct coff_ofile *, struct coff_sfile *);
  84 static void wr_er (struct coff_ofile *, struct coff_sfile *, int);
  85 static void wr_ed (struct coff_ofile *, struct coff_sfile *, int);
  86 static void wr_unit_info (struct coff_ofile *);
  87 static void wr_module (struct coff_ofile *);
  88 static int align (int);
  89 static void prescan (struct coff_ofile *);
  90 static void show_usage (FILE *, int);
  91 extern int main (int, char **);
  92
  93 static FILE *file;
  94 static bfd *abfd;
  95 static int debug = 0;
  96 static int quick = 0;
  97 static int noprescan = 0;
  98 static struct coff_ofile *tree;
  99 /* Obsolete ??
 100    static int absolute_p;
 101  */
 102
 103 static int segmented_p;
 104 static int code;
 105
 106 static int ids1[20000];
 107 static int ids2[20000];
 108
 109 static int base1 = 0x18;
 110 static int base2 = 0x2018;
 111
 112 static int
 113 get_member_id (int x)
 114 {
 115   if (ids2[x])
 116     return ids2[x];
 117
 118   ids2[x] = base2++;
 119   return ids2[x];
 120 }
 121
 122 static int
 123 get_ordinary_id (int x)
 124 {
 125   if (ids1[x])
 126     return ids1[x];
 127
 128   ids1[x] = base1++;
 129   return ids1[x];
 130 }
 131 static char *
 132 section_translate (char *n)
 133 {
 134   if (strcmp (n, ".text") == 0)
 135     return "P";
 136   if (strcmp (n, ".data") == 0)
 137     return "D";
 138   if (strcmp (n, ".bss") == 0)
 139     return "B";
 140   return n;
 141 }
 142
 143 #define DATE "940201073000";    /* Just a time on my birthday */
 144
 145 static char *
 146 strip_suffix (const char *name)
 147 {
 148   int i;
 149   char *res;
 150
 151   for (i = 0; name[i] != 0 && name[i] != '.'; i++)
 152     ;
 153   res = (char *) xmalloc (i + 1);
 154   memcpy (res, name, i);
 155   res[i] = 0;
 156   return res;
 157 }
 158
 159 /* IT LEN stuff CS */
 160 static void
 161 checksum (FILE *ffile, unsigned char *ptr, int size, int ccode)
 162 {
 163   int j;
 164   int last;
 165   int sum = 0;
 166   int bytes = size / 8;
 167
 168   last = !(ccode & 0xff00);
 169   if (size & 0x7)
 170     abort ();
 171   ptr[0] = ccode | (last ? 0x80 : 0);
 172   ptr[1] = bytes + 1;
 173
 174   for (j = 0; j < bytes; j++)
 175     sum += ptr[j];
 176
 177   /* Glue on a checksum too.  */
 178   ptr[bytes] = ~sum;
 179   if (fwrite (ptr, bytes + 1, 1, ffile) != 1)
 180     /* FIXME: Return error status.  */
 181     abort ();
 182 }
 183
 184
 185 static void
 186 writeINT (int n, unsigned char *ptr, int *idx, int size, FILE *ffile)
 187 {
 188   int byte = *idx / 8;
 189
 190   if (size == -2)
 191     size = addrsize;
 192   else if (size == -1)
 193     size = 0;
 194
 195   if (byte > 240)
 196     {
 197       /* Lets write out that record and do another one.  */
 198       checksum (ffile, ptr, *idx, code | 0x1000);
 199       *idx = 16;
 200       byte = *idx / 8;
 201     }
 202
 203   switch (size)
 204     {
 205     case 0:
 206       break;
 207     case 1:
 208       ptr[byte] = n;
 209       break;
 210     case 2:
 211       ptr[byte + 0] = n >> 8;
 212       ptr[byte + 1] = n;
 213       break;
 214     case 4:
 215       ptr[byte + 0] = n >> 24;
 216       ptr[byte + 1] = n >> 16;
 217       ptr[byte + 2] = n >> 8;
 218       ptr[byte + 3] = n >> 0;
 219       break;
 220     default:
 221       abort ();
 222     }
 223   *idx += size * 8;
 224 }
 225
 226 static void
 227 writeBITS (int val, unsigned char *ptr, int *idx, int size)
 228 {
 229   int byte = *idx / 8;
 230   int bit = *idx % 8;
 231   int old;
 232
 233   *idx += size;
 234
 235   old = ptr[byte];
 236   /* Turn off all about to change bits.  */
 237   old &= ~((~0 >> (8 - bit - size)) & ((1 << size) - 1));
 238   /* Turn on the bits we want.  */
 239   old |= (val & ((1 << size) - 1)) << (8 - bit - size);
 240   ptr[byte] = old;
 241 }
 242
 243 static void
 244 writeBARRAY (barray data, unsigned char *ptr, int *idx,
 245              int size ATTRIBUTE_UNUSED, FILE *ffile)
 246 {
 247   int i;
 248
 249   writeINT (data.len, ptr, idx, 1, ffile);
 250   for (i = 0; i < data.len; i++)
 251     writeINT (data.data[i], ptr, idx, 1, ffile);
 252 }
 253
 254 static void
 255 writeCHARS (char *string, unsigned char *ptr, int *idx, int size, FILE *ffile)
 256 {
 257   int i = *idx / 8;
 258
 259   if (i > 240)
 260     {
 261       /* Lets write out that record and do another one.  */
 262       checksum (ffile, ptr, *idx, code | 0x1000);
 263       *idx = 16;
 264       i = *idx / 8;
 265     }
 266
 267   if (size == 0)
 268     {
 269       /* Variable length string.  */
 270       size = strlen (string);
 271       ptr[i++] = size;
 272     }
 273
 274   /* BUG WAITING TO HAPPEN.  */
 275   memcpy (ptr + i, string, size);
 276   i += size;
 277   *idx = i * 8;
 278 }
 279
 280 #define SYSROFF_SWAP_OUT
 281 #include "sysroff.c"
 282
 283 static char *rname_sh[] =
 284 {
 285   "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15"
 286 };
 287
 288 static char *rname_h8300[] =
 289 {
 290   "ER0", "ER1", "ER2", "ER3", "ER4", "ER5", "ER6", "ER7", "PC", "CCR"
 291 };
 292
 293 static void
 294 wr_tr (void)
 295 {
 296   /* The TR block is not normal - it doesn't have any contents.  */
 297
 298   static char b[] =
 299     {
 300       0xff,                     /* IT */
 301       0x03,                     /* RL */
 302       0xfd,                     /* CS */
 303     };
 304
 305   if (fwrite (b, sizeof (b), 1, file) != 1)
 306     /* FIXME: Return error status.  */
 307     abort ();
 308 }
 309
 310 static void
 311 wr_un (struct coff_ofile *ptr, struct coff_sfile *sfile, int first,
 312        int nsecs ATTRIBUTE_UNUSED)
 313 {
 314   struct IT_un un;
 315   struct coff_symbol *s;
 316
 317   un.spare1 = 0;
 318
 319   if (bfd_get_file_flags (abfd) & EXEC_P)
 320     un.format = FORMAT_LM;
 321   else
 322     un.format = FORMAT_OM;
 323   un.spare1 = 0;
 324
 325   /* Don't count the abs section.  */
 326   un.nsections = ptr->nsections - 1;
 327
 328   un.nextdefs = 0;
 329   un.nextrefs = 0;
 330   /* Count all the undefined and defined variables with global scope.  */
 331
 332   if (first)
 333     {
 334       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
 335         {
 336           if (s->visible->type == coff_vis_ext_def
 337               || s->visible->type == coff_vis_common)
 338             un.nextdefs++;
 339
 340           if (s->visible->type == coff_vis_ext_ref)
 341             un.nextrefs++;
 342         }
 343     }
 344   un.tool = toolname;
 345   un.tcd = DATE;
 346   un.linker = "L_GX00";
 347   un.lcd = DATE;
 348   un.name = sfile->name;
 349   sysroff_swap_un_out (file, &un);
 350 }
 351
 352 static void
 353 wr_hd (struct coff_ofile *p)
 354 {
 355   struct IT_hd hd;
 356
 357   hd.spare1 = 0;
 358   if (bfd_get_file_flags (abfd) & EXEC_P)
 359     hd.mt = MTYPE_ABS_LM;
 360   else
 361     hd.mt = MTYPE_OMS_OR_LMS;
 362
 363   hd.cd = DATE;
 364
 365   hd.nu = p->nsources;          /* Always one unit */
 366   hd.code = 0;                  /* Always ASCII */
 367   hd.ver = "0200";              /* Version 2.00 */
 368
 369   switch (bfd_get_arch (abfd))
 370     {
 371     case bfd_arch_h8300:
 372       hd.au = 8;
 373       hd.si = 0;
 374       hd.spcsz = 32;
 375       hd.segsz = 0;
 376       hd.segsh = 0;
 377       switch (bfd_get_mach (abfd))
 378         {
 379         case bfd_mach_h8300:
 380           hd.cpu = "H8300";
 381           hd.afl = 2;
 382           addrsize = 2;
 383           toolname = "C_H8/300";
 384           break;
 385         case bfd_mach_h8300h:
 386           hd.cpu = "H8300H";
 387           hd.afl = 4;
 388           addrsize = 4;
 389           toolname = "C_H8/300H";
 390           break;
 391         case bfd_mach_h8300s:
 392           hd.cpu = "H8300S";
 393           hd.afl = 4;
 394           addrsize = 4;
 395           toolname = "C_H8/300S";
 396           break;
 397         default:
 398           abort();
 399         }
 400       rnames = rname_h8300;
 401       break;
 402     case bfd_arch_sh:
 403       hd.au = 8;
 404       hd.si = 0;
 405       hd.afl = 4;
 406       hd.spcsz = 32;
 407       hd.segsz = 0;
 408       hd.segsh = 0;
 409       hd.cpu = "SH";
 410       addrsize = 4;
 411       toolname = "C_SH";
 412       rnames = rname_sh;
 413       break;
 414     default:
 415       abort ();
 416     }
 417
 418   if (! (bfd_get_file_flags(abfd) & EXEC_P))
 419     {
 420       hd.ep = 0;
 421     }
 422   else
 423     {
 424       hd.ep = 1;
 425       hd.uan = 0;
 426       hd.sa = 0;
 427       hd.sad = 0;
 428       hd.address = bfd_get_start_address (abfd);
 429     }
 430
 431   hd.os = "";
 432   hd.sys = "";
 433   hd.mn = strip_suffix (bfd_get_filename (abfd));
 434
 435   sysroff_swap_hd_out (file, &hd);
 436 }
 437
 438
 439 static void
 440 wr_sh (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *sec)
 441 {
 442   struct IT_sh sh;
 443   sh.unit = 0;
 444   sh.section = sec->number;
 445 #ifdef FOOP1
 446   sh.section = 0;
 447 #endif
 448   sysroff_swap_sh_out (file, &sh);
 449 }
 450
 451
 452 static void
 453 wr_ob (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_section *section)
 454 {
 455   bfd_size_type i;
 456   int first = 1;
 457   unsigned char stuff[200];
 458
 459   i = 0;
 460   while (i < bfd_get_section_size (section->bfd_section))
 461     {
 462       struct IT_ob ob;
 463       int todo = 200;           /* Copy in 200 byte lumps.  */
 464
 465       ob.spare = 0;
 466       if (i + todo > bfd_get_section_size (section->bfd_section))
 467         todo = bfd_get_section_size (section->bfd_section) - i;
 468
 469       if (first)
 470         {
 471           ob.saf = 1;
 472           if (bfd_get_file_flags (abfd) & EXEC_P)
 473             ob.address = section->address;
 474           else
 475             ob.address = 0;
 476
 477           first = 0;
 478         }
 479       else
 480         {
 481           ob.saf = 0;
 482         }
 483
 484       ob.cpf = 0;               /* Never compress.  */
 485       ob.data.len = todo;
 486       bfd_get_section_contents (abfd, section->bfd_section, stuff, i, todo);
 487       ob.data.data = stuff;
 488       sysroff_swap_ob_out (file, &ob /*, i + todo < section->size */ );
 489       i += todo;
 490     }
 491
 492   /* Now fill the rest with blanks.  */
 493   while (i < (bfd_size_type) section->size)
 494     {
 495       struct IT_ob ob;
 496       int todo = 200;           /* Copy in 200 byte lumps.  */
 497
 498       ob.spare = 0;
 499       if (i + todo > (bfd_size_type) section->size)
 500         todo = section->size - i;
 501       ob.saf = 0;
 502
 503       ob.cpf = 0;               /* Never compress.  */
 504       ob.data.len = todo;
 505       memset (stuff, 0, todo);
 506       ob.data.data = stuff;
 507       sysroff_swap_ob_out (file, &ob);
 508       i += todo;
 509     }
 510   /* Now fill the rest with blanks.  */
 511 }
 512
 513 static void
 514 wr_rl (struct coff_ofile *ptr ATTRIBUTE_UNUSED, struct coff_section *sec)
 515 {
 516   int nr = sec->nrelocs;
 517   int i;
 518
 519   for (i = 0; i < nr; i++)
 520     {
 521       struct coff_reloc *r = sec->relocs + i;
 522       struct coff_symbol *ref;
 523       struct IT_rl rl;
 524
 525       rl.apol = 0;
 526       rl.boundary = 0;
 527       rl.segment = 1;
 528       rl.sign = 0;
 529       rl.check = 0;
 530       rl.addr = r->offset;
 531       rl.bitloc = 0;
 532       rl.flen = 32;             /* SH Specific.  */
 533
 534       /* What sort of reloc ? Look in the section to find out.  */
 535       ref = r->symbol;
 536       if (ref->visible->type == coff_vis_ext_ref)
 537         {
 538           rl.bcount = 4;        /* Always 4 for us.  */
 539           rl.op = OP_EXT_REF;
 540           rl.symn = ref->er_number;
 541         }
 542       else if (ref->visible->type == coff_vis_common)
 543         {
 544           rl.bcount = 11;       /* Always 11 for us.  */
 545           rl.op = OP_SEC_REF;
 546           rl.secn = ref->where->section->number;
 547           rl.copcode_is_3 = 3;
 548           rl.alength_is_4 = 4;
 549           rl.addend = ref->where->offset - ref->where->section->address;
 550           rl.aopcode_is_0x20 = 0x20;
 551         }
 552       else
 553         {
 554           rl.bcount = 11;       /* Always 11 for us.  */
 555           rl.op = OP_SEC_REF;
 556           rl.secn = ref->where->section->number;
 557           rl.copcode_is_3 = 3;
 558           rl.alength_is_4 = 4;
 559           rl.addend = -ref->where->section->address;
 560           rl.aopcode_is_0x20 = 0x20;
 561         }
 562
 563       rl.end = 0xff;
 564
 565       if (   rl.op == OP_SEC_REF
 566           || rl.op == OP_EXT_REF)
 567         sysroff_swap_rl_out (file, &rl);
 568     }
 569 }
 570
 571 static void
 572 wr_object_body (struct coff_ofile *p)
 573 {
 574   int i;
 575
 576   for (i = 1; i < p->nsections; i++)
 577     {
 578       wr_sh (p, p->sections + i);
 579       wr_ob (p, p->sections + i);
 580       wr_rl (p, p->sections + i);
 581     }
 582 }
 583
 584 static void
 585 wr_dps_start (struct coff_sfile *sfile,
 586               struct coff_section *section ATTRIBUTE_UNUSED,
 587               struct coff_scope *scope, int type, int nest)
 588 {
 589   struct IT_dps dps;
 590
 591   dps.end = 0;
 592   dps.opt = 0;
 593   dps.type = type;
 594
 595   if (scope->sec)
 596     {
 597       dps.san = scope->sec->number;
 598       dps.address = scope->offset - find_base (sfile, scope->sec);
 599       dps.block_size = scope->size;
 600
 601       if (debug)
 602         {
 603           printf ("DPS %s %d %x\n",
 604                   sfile->name,
 605                   nest,
 606                   dps.address);
 607         }
 608     }
 609   else
 610     {
 611       dps.san = 0;
 612       dps.address = 0;
 613       dps.block_size = 0;
 614     }
 615
 616   dps.nesting = nest;
 617   dps.neg = 0x1001;
 618   sysroff_swap_dps_out (file, &dps);
 619 }
 620
 621 static void
 622 wr_dps_end (struct coff_section *section ATTRIBUTE_UNUSED,
 623             struct coff_scope *scope ATTRIBUTE_UNUSED, int type)
 624 {
 625   struct IT_dps dps;
 626
 627   dps.end = 1;
 628   dps.type = type;
 629   sysroff_swap_dps_out (file, &dps);
 630 }
 631
 632 static int *
 633 nints (int x)
 634 {
 635   return (int *) (xcalloc (sizeof (int), x));
 636 }
 637
 638 static void
 639 walk_tree_type_1 (struct coff_sfile *sfile, struct coff_symbol *symbol,
 640                   struct coff_type *type, int nest)
 641 {
 642   switch (type->type)
 643     {
 644     case coff_secdef_type:
 645     case coff_basic_type:
 646       {
 647         struct IT_dbt dbt;
 648
 649         switch (type->u.basic)
 650           {
 651           case T_NULL:
 652           case T_VOID:
 653             dbt.btype = BTYPE_VOID;
 654             dbt.sign = BTYPE_UNSPEC;
 655             dbt.fptype = FPTYPE_NOTSPEC;
 656             break;
 657
 658           case T_CHAR:
 659             dbt.btype = BTYPE_CHAR;
 660             dbt.sign = BTYPE_UNSPEC;
 661             dbt.fptype = FPTYPE_NOTSPEC;
 662             break;
 663
 664           case T_SHORT:
 665           case T_INT:
 666           case T_LONG:
 667             dbt.btype = BTYPE_INT;
 668             dbt.sign = SIGN_SIGNED;
 669             dbt.fptype = FPTYPE_NOTSPEC;
 670             break;
 671
 672           case T_FLOAT:
 673             dbt.btype = BTYPE_FLOAT;
 674             dbt.fptype = FPTYPE_SINGLE;
 675             break;
 676
 677           case T_DOUBLE:
 678             dbt.btype = BTYPE_FLOAT;
 679             dbt.fptype = FPTYPE_DOUBLE;
 680             break;
 681
 682           case T_LNGDBL:
 683             dbt.btype = BTYPE_FLOAT;
 684             dbt.fptype = FPTYPE_EXTENDED;
 685             break;
 686
 687           case T_UCHAR:
 688             dbt.btype = BTYPE_CHAR;
 689             dbt.sign = SIGN_UNSIGNED;
 690             dbt.fptype = FPTYPE_NOTSPEC;
 691             break;
 692
 693           case T_USHORT:
 694           case T_UINT:
 695           case T_ULONG:
 696             dbt.btype = BTYPE_INT;
 697             dbt.sign = SIGN_UNSIGNED;
 698             dbt.fptype = FPTYPE_NOTSPEC;
 699             break;
 700           }
 701
 702         dbt.bitsize = type->size;
 703         dbt.neg = 0x1001;
 704         sysroff_swap_dbt_out (file, &dbt);
 705         break;
 706       }
 707
 708     case coff_pointer_type:
 709       {
 710         struct IT_dpt dpt;
 711
 712         dpt.dunno = 0;
 713         walk_tree_type_1 (sfile, symbol, type->u.pointer.points_to, nest + 1);
 714         dpt.neg = 0x1001;
 715         sysroff_swap_dpt_out (file, &dpt);
 716         break;
 717       }
 718
 719     case coff_function_type:
 720       {
 721         struct IT_dfp dfp;
 722         struct coff_symbol *param;
 723
 724         dfp.end = 0;
 725         dfp.spare = 0;
 726         dfp.nparams = type->u.function.parameters->nvars;
 727         dfp.neg = 0x1001;
 728
 729         walk_tree_type_1 (sfile, symbol, type->u.function.function_returns, nest + 1);
 730
 731         sysroff_swap_dfp_out (file, &dfp);
 732
 733         for (param = type->u.function.parameters->vars_head;
 734              param;
 735              param = param->next)
 736           walk_tree_symbol (sfile, 0, param, nest);
 737
 738         dfp.end = 1;
 739         sysroff_swap_dfp_out (file, &dfp);
 740         break;
 741       }
 742
 743     case coff_structdef_type:
 744       {
 745         struct IT_dbt dbt;
 746         struct IT_dds dds;
 747         struct coff_symbol *member;
 748
 749         dds.spare = 0;
 750         dbt.btype = BTYPE_STRUCT;
 751         dbt.bitsize = type->size;
 752         dbt.sign = SIGN_UNSPEC;
 753         dbt.fptype = FPTYPE_NOTSPEC;
 754         dbt.sid = get_member_id (type->u.astructdef.idx);
 755         dbt.neg = 0x1001;
 756         sysroff_swap_dbt_out (file, &dbt);
 757         dds.end = 0;
 758         dds.neg = 0x1001;
 759         sysroff_swap_dds_out (file, &dds);
 760
 761         for (member = type->u.astructdef.elements->vars_head;
 762              member;
 763              member = member->next)
 764           walk_tree_symbol (sfile, 0, member, nest + 1);
 765
 766         dds.end = 1;
 767         sysroff_swap_dds_out (file, &dds);
 768
 769       }
 770       break;
 771
 772     case coff_structref_type:
 773       {
 774         struct IT_dbt dbt;
 775
 776         dbt.btype = BTYPE_TAG;
 777         dbt.bitsize = type->size;
 778         dbt.sign = SIGN_UNSPEC;
 779         dbt.fptype = FPTYPE_NOTSPEC;
 780
 781         if (type->u.astructref.ref)
 782           dbt.sid = get_member_id (type->u.astructref.ref->number);
 783         else
 784           dbt.sid = 0;
 785
 786         dbt.neg = 0x1001;
 787         sysroff_swap_dbt_out (file, &dbt);
 788       }
 789       break;
 790
 791     case coff_array_type:
 792       {
 793         struct IT_dar dar;
 794         int j;
 795         int dims = 1;           /* Only output one dimension at a time.  */
 796
 797         dar.dims = dims;
 798         dar.variable = nints (dims);
 799         dar.subtype = nints (dims);
 800         dar.spare = nints (dims);
 801         dar.max_variable = nints (dims);
 802         dar.maxspare = nints (dims);
 803         dar.max = nints (dims);
 804         dar.min_variable = nints (dims);
 805         dar.min = nints (dims);
 806         dar.minspare = nints (dims);
 807         dar.neg = 0x1001;
 808         dar.length = type->size / type->u.array.dim;
 809
 810         for (j = 0; j < dims; j++)
 811           {
 812             dar.variable[j] = VARIABLE_FIXED;
 813             dar.subtype[j] = SUB_INTEGER;
 814             dar.spare[j] = 0;
 815             dar.max_variable[j] = 0;
 816             dar.max[j] = type->u.array.dim;
 817             dar.min_variable[j] = 0;
 818             dar.min[j] = 1;     /* Why isn't this 0 ? */
 819           }
 820         walk_tree_type_1 (sfile, symbol, type->u.array.array_of, nest + 1);
 821         sysroff_swap_dar_out (file, &dar);
 822       }
 823       break;
 824
 825     case coff_enumdef_type:
 826       {
 827         struct IT_dbt dbt;
 828         struct IT_den den;
 829         struct coff_symbol *member;
 830
 831         dbt.btype = BTYPE_ENUM;
 832         dbt.bitsize = type->size;
 833         dbt.sign = SIGN_UNSPEC;
 834         dbt.fptype = FPTYPE_NOTSPEC;
 835         dbt.sid = get_member_id (type->u.aenumdef.idx);
 836         dbt.neg = 0x1001;
 837         sysroff_swap_dbt_out (file, &dbt);
 838
 839         den.end = 0;
 840         den.neg = 0x1001;
 841         den.spare = 0;
 842         sysroff_swap_den_out (file, &den);
 843
 844         for (member = type->u.aenumdef.elements->vars_head;
 845              member;
 846              member = member->next)
 847           walk_tree_symbol (sfile, 0, member, nest + 1);
 848
 849         den.end = 1;
 850         sysroff_swap_den_out (file, &den);
 851       }
 852       break;
 853
 854     case coff_enumref_type:
 855       {
 856         struct IT_dbt dbt;
 857
 858         dbt.btype = BTYPE_TAG;
 859         dbt.bitsize = type->size;
 860         dbt.sign = SIGN_UNSPEC;
 861         dbt.fptype = FPTYPE_NOTSPEC;
 862         dbt.sid = get_member_id (type->u.aenumref.ref->number);
 863         dbt.neg = 0x1001;
 864         sysroff_swap_dbt_out (file, &dbt);
 865       }
 866       break;
 867
 868     default:
 869       abort ();
 870     }
 871 }
 872
 873 /* Obsolete ?
 874    static void
 875    dty_start ()
 876    {
 877    struct IT_dty dty;
 878    dty.end = 0;
 879    dty.neg = 0x1001;
 880    dty.spare = 0;
 881    sysroff_swap_dty_out (file, &dty);
 882    }
 883
 884    static void
 885    dty_stop ()
 886    {
 887    struct IT_dty dty;
 888    dty.end = 0;
 889    dty.neg = 0x1001;
 890    dty.end = 1;
 891    sysroff_swap_dty_out (file, &dty);
 892    }
 893
 894
 895    static void
 896    dump_tree_structure (sfile, symbol, type, nest)
 897    struct coff_sfile *sfile;
 898    struct coff_symbol *symbol;
 899    struct coff_type *type;
 900    int nest;
 901    {
 902    if (symbol->type->type == coff_function_type)
 903    {
 904
 905
 906    }
 907
 908    }
 909  */
 910
 911 static void
 912 walk_tree_type (struct coff_sfile *sfile, struct coff_symbol *symbol,
 913                 struct coff_type *type, int nest)
 914 {
 915   if (symbol->type->type == coff_function_type)
 916     {
 917       struct IT_dty dty;
 918
 919       dty.end = 0;
 920       dty.neg = 0x1001;
 921
 922       sysroff_swap_dty_out (file, &dty);
 923       walk_tree_type_1 (sfile, symbol, type, nest);
 924       dty.end = 1;
 925       sysroff_swap_dty_out (file, &dty);
 926
 927       wr_dps_start (sfile,
 928                     symbol->where->section,
 929                     symbol->type->u.function.code,
 930                     BLOCK_TYPE_FUNCTION, nest);
 931       wr_dps_start (sfile, symbol->where->section,
 932                     symbol->type->u.function.code,
 933                     BLOCK_TYPE_BLOCK, nest);
 934       walk_tree_scope (symbol->where->section,
 935                        sfile,
 936                        symbol->type->u.function.code,
 937                        nest + 1, BLOCK_TYPE_BLOCK);
 938
 939       wr_dps_end (symbol->where->section,
 940                   symbol->type->u.function.code,
 941                   BLOCK_TYPE_BLOCK);
 942       wr_dps_end (symbol->where->section,
 943                   symbol->type->u.function.code, BLOCK_TYPE_FUNCTION);
 944     }
 945   else
 946     {
 947       struct IT_dty dty;
 948
 949       dty.end = 0;
 950       dty.neg = 0x1001;
 951       sysroff_swap_dty_out (file, &dty);
 952       walk_tree_type_1 (sfile, symbol, type, nest);
 953       dty.end = 1;
 954       sysroff_swap_dty_out (file, &dty);
 955     }
 956 }
 957
 958 static void
 959 walk_tree_symbol (struct coff_sfile *sfile, struct coff_section *section ATTRIBUTE_UNUSED, struct coff_symbol *symbol, int nest)
 960 {
 961   struct IT_dsy dsy;
 962
 963   memset (&dsy, 0, sizeof(dsy));
 964   dsy.nesting = nest;
 965
 966   switch (symbol->type->type)
 967     {
 968     case coff_function_type:
 969       dsy.type = STYPE_FUNC;
 970       dsy.assign = 1;
 971       break;
 972
 973     case coff_structref_type:
 974     case coff_pointer_type:
 975     case coff_array_type:
 976     case coff_basic_type:
 977     case coff_enumref_type:
 978       dsy.type = STYPE_VAR;
 979       dsy.assign = 1;
 980       break;
 981
 982     case coff_enumdef_type:
 983       dsy.type = STYPE_TAG;
 984       dsy.assign = 0;
 985       dsy.magic = 2;
 986       break;
 987
 988     case coff_structdef_type:
 989       dsy.type = STYPE_TAG;
 990       dsy.assign = 0;
 991       dsy.magic = symbol->type->u.astructdef.isstruct ? 0 : 1;
 992       break;
 993
 994     case coff_secdef_type:
 995       return;
 996
 997     default:
 998       abort ();
 999     }
1000
1001   if (symbol->where->where == coff_where_member_of_struct)
1002     {
1003       dsy.assign = 0;
1004       dsy.type = STYPE_MEMBER;
1005     }
1006
1007   if (symbol->where->where == coff_where_member_of_enum)
1008     {
1009       dsy.type = STYPE_ENUM;
1010       dsy.assign = 0;
1011       dsy.evallen = 4;
1012       dsy.evalue = symbol->where->offset;
1013     }
1014
1015   if (symbol->type->type == coff_structdef_type
1016       || symbol->where->where == coff_where_entag
1017       || symbol->where->where == coff_where_strtag)
1018     {
1019       dsy.snumber = get_member_id (symbol->number);
1020     }
1021   else
1022     {
1023       dsy.snumber = get_ordinary_id (symbol->number);
1024     }
1025
1026   dsy.sname = symbol->name[0] == '_' ? symbol->name + 1 : symbol->name;
1027
1028   switch (symbol->visible->type)
1029     {
1030     case coff_vis_common:
1031     case coff_vis_ext_def:
1032       dsy.ainfo = AINFO_STATIC_EXT_DEF;
1033       break;
1034
1035     case coff_vis_ext_ref:
1036       dsy.ainfo = AINFO_STATIC_EXT_REF;
1037       break;
1038
1039     case coff_vis_int_def:
1040       dsy.ainfo = AINFO_STATIC_INT;
1041       break;
1042
1043     case coff_vis_auto:
1044     case coff_vis_autoparam:
1045       dsy.ainfo = AINFO_AUTO;
1046       break;
1047
1048     case coff_vis_register:
1049     case coff_vis_regparam:
1050       dsy.ainfo = AINFO_REG;
1051       break;
1052       break;
1053
1054     case coff_vis_tag:
1055     case coff_vis_member_of_struct:
1056     case coff_vis_member_of_enum:
1057       break;
1058
1059     default:
1060       abort ();
1061     }
1062
1063   dsy.dlength = symbol->type->size;
1064
1065   switch (symbol->where->where)
1066     {
1067     case coff_where_memory:
1068
1069       dsy.section = symbol->where->section->number;
1070 #ifdef FOOP
1071       dsy.section = 0;
1072 #endif
1073       break;
1074
1075     case coff_where_member_of_struct:
1076     case coff_where_member_of_enum:
1077     case coff_where_stack:
1078     case coff_where_register:
1079     case coff_where_unknown:
1080     case coff_where_strtag:
1081     case coff_where_entag:
1082     case coff_where_typedef:
1083       break;
1084
1085     default:
1086       abort ();
1087     }
1088
1089   switch (symbol->where->where)
1090     {
1091     case coff_where_memory:
1092       dsy.address = symbol->where->offset - find_base (sfile, symbol->where->section);
1093       break;
1094
1095     case coff_where_stack:
1096       dsy.address = symbol->where->offset;
1097       break;
1098
1099     case coff_where_member_of_struct:
1100       if (symbol->where->bitsize)
1101         {
1102           int bits = (symbol->where->offset * 8 + symbol->where->bitoffset);
1103           dsy.bitunit = 1;
1104           dsy.field_len = symbol->where->bitsize;
1105           dsy.field_off = (bits / 32) * 4;
1106           dsy.field_bitoff = bits % 32;
1107         }
1108       else
1109         {
1110           dsy.bitunit = 0;
1111
1112           dsy.field_len = symbol->type->size;
1113           dsy.field_off = symbol->where->offset;
1114         }
1115       break;
1116
1117     case coff_where_member_of_enum:
1118       /*      dsy.bitunit = 0;
1119          dsy.field_len  = symbol->type->size;
1120          dsy.field_off = symbol->where->offset; */
1121       break;
1122
1123     case coff_where_register:
1124     case coff_where_unknown:
1125     case coff_where_strtag:
1126     case coff_where_entag:
1127     case coff_where_typedef:
1128       break;
1129
1130     default:
1131       abort ();
1132     }
1133
1134   if (symbol->where->where == coff_where_register)
1135     dsy.reg = rnames[symbol->where->offset];
1136
1137   switch (symbol->visible->type)
1138     {
1139     case coff_vis_common:
1140       /* We do this 'cause common C symbols are treated as extdefs.  */
1141     case coff_vis_ext_def:
1142     case coff_vis_ext_ref:
1143       dsy.ename = symbol->name;
1144       break;
1145
1146     case coff_vis_regparam:
1147     case coff_vis_autoparam:
1148       dsy.type = STYPE_PARAMETER;
1149       break;
1150
1151     case coff_vis_int_def:
1152     case coff_vis_auto:
1153     case coff_vis_register:
1154     case coff_vis_tag:
1155     case coff_vis_member_of_struct:
1156     case coff_vis_member_of_enum:
1157       break;
1158
1159     default:
1160       abort ();
1161     }
1162
1163   dsy.sfn = 0;
1164   dsy.sln = 2;
1165   dsy.neg = 0x1001;
1166
1167   sysroff_swap_dsy_out (file, &dsy);
1168
1169   walk_tree_type (sfile, symbol, symbol->type, nest);
1170 }
1171
1172 static void
1173 walk_tree_scope (struct coff_section *section, struct coff_sfile *sfile, struct coff_scope *scope, int nest, int type)
1174 {
1175   struct coff_symbol *vars;
1176   struct coff_scope *child;
1177
1178   if (scope->vars_head
1179       || (scope->list_head && scope->list_head->vars_head))
1180     {
1181       wr_dps_start (sfile, section, scope, type, nest);
1182
1183       if (nest == 0)
1184         wr_globals (tree, sfile, nest + 1);
1185
1186       for (vars = scope->vars_head; vars; vars = vars->next)
1187         walk_tree_symbol (sfile, section, vars, nest);
1188
1189       for (child = scope->list_head; child; child = child->next)
1190         walk_tree_scope (section, sfile, child, nest + 1, BLOCK_TYPE_BLOCK);
1191
1192       wr_dps_end (section, scope, type);
1193     }
1194 }
1195
1196 static void
1197 walk_tree_sfile (struct coff_section *section, struct coff_sfile *sfile)
1198 {
1199   walk_tree_scope (section, sfile, sfile->scope, 0, BLOCK_TYPE_COMPUNIT);
1200 }
1201
1202 static void
1203 wr_program_structure (struct coff_ofile *p, struct coff_sfile *sfile)
1204 {
1205   walk_tree_sfile (p->sections + 4, sfile);
1206 }
1207
1208 static void
1209 wr_du (struct coff_ofile *p, struct coff_sfile *sfile, int n)
1210 {
1211   struct IT_du du;
1212   int lim;
1213   int i;
1214   int j;
1215   unsigned int *lowest = (unsigned *) nints (p->nsections);
1216   unsigned int *highest = (unsigned *) nints (p->nsections);
1217
1218   du.format = bfd_get_file_flags (abfd) & EXEC_P ? 0 : 1;
1219   du.optimized = 0;
1220   du.stackfrmt = 0;
1221   du.spare = 0;
1222   du.unit = n;
1223   du.sections = p->nsections - 1;
1224   du.san = (int *) xcalloc (sizeof (int), du.sections);
1225   du.address = nints (du.sections);
1226   du.length = nints (du.sections);
1227
1228   for (i = 0; i < du.sections; i++)
1229     {
1230       lowest[i] = ~0;
1231       highest[i] = 0;
1232     }
1233
1234   lim = du.sections;
1235   for (j = 0; j < lim; j++)
1236     {
1237       int src = j;
1238       int dst = j;
1239
1240       du.san[dst] = dst;
1241
1242       if (sfile->section[src].init)
1243         {
1244           du.length[dst]
1245             = sfile->section[src].high - sfile->section[src].low + 1;
1246           du.address[dst]
1247             = sfile->section[src].low;
1248         }
1249       else
1250         {
1251           du.length[dst] = 0;
1252           du.address[dst] = 0;
1253         }
1254
1255       if (debug)
1256         {
1257           if (sfile->section[src].parent)
1258             {
1259               printf (" section %6s 0x%08x..0x%08x\n",
1260                       sfile->section[src].parent->name,
1261                       du.address[dst],
1262                       du.address[dst] + du.length[dst] - 1);
1263             }
1264         }
1265
1266       du.sections = dst + 1;
1267     }
1268
1269   du.tool = "c_gcc";
1270   du.date = DATE;
1271
1272   sysroff_swap_du_out (file, &du);
1273 }
1274
1275 static void
1276 wr_dus (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile)
1277 {
1278   struct IT_dus dus;
1279
1280   dus.efn = 0x1001;
1281   dus.ns = 1;                   /* p->nsources; sac 14 jul 94 */
1282   dus.drb = nints (dus.ns);
1283   dus.fname = (char **) xcalloc (sizeof (char *), dus.ns);
1284   dus.spare = nints (dus.ns);
1285   dus.ndir = 0;
1286   /* Find the filenames.  */
1287   dus.drb[0] = 0;
1288   dus.fname[0] = sfile->name;
1289
1290   sysroff_swap_dus_out (file, &dus);
1291
1292 }
1293
1294 /* Find the offset of the .text section for this sfile in the
1295    .text section for the output file.  */
1296
1297 static int
1298 find_base (struct coff_sfile *sfile, struct coff_section *section)
1299 {
1300   return sfile->section[section->number].low;
1301 }
1302
1303 static void
1304 wr_dln (struct coff_ofile *p ATTRIBUTE_UNUSED, struct coff_sfile *sfile,
1305         int n ATTRIBUTE_UNUSED)
1306 {
1307   /* Count up all the linenumbers */
1308
1309   struct coff_symbol *sy;
1310   int lc = 0;
1311   struct IT_dln dln;
1312
1313   int idx;
1314
1315   for (sy = sfile->scope->vars_head;
1316        sy;
1317        sy = sy->next)
1318     {
1319       struct coff_type *t = sy->type;
1320       if (t->type == coff_function_type)
1321         {
1322           struct coff_line *l = t->u.function.lines;
1323           if (l)
1324             lc += l->nlines;
1325         }
1326     }
1327
1328   dln.sfn = nints (lc);
1329   dln.sln = nints (lc);
1330   dln.cc = nints (lc);
1331   dln.section = nints (lc);
1332
1333   dln.from_address = nints (lc);
1334   dln.to_address = nints (lc);
1335
1336
1337   dln.neg = 0x1001;
1338
1339   dln.nln = lc;
1340
1341   /* Run through once more and fill up the structure */
1342   idx = 0;
1343   for (sy = sfile->scope->vars_head;
1344        sy;
1345        sy = sy->next)
1346     {
1347       if (sy->type->type == coff_function_type)
1348         {
1349           int i;
1350           struct coff_line *l = sy->type->u.function.lines;
1351           if (l)
1352             {
1353               int base = find_base (sfile, sy->where->section);
1354               for (i = 0; i < l->nlines; i++)
1355                 {
1356                   dln.section[idx] = sy->where->section->number;
1357                   dln.sfn[idx] = 0;
1358                   dln.sln[idx] = l->lines[i];
1359                   dln.from_address[idx] =
1360                     l->addresses[i] + sy->where->section->address - base;
1361                   dln.cc[idx] = 0;
1362                   if (idx)
1363                     dln.to_address[idx - 1] = dln.from_address[idx];
1364                   idx++;
1365
1366                 }
1367               dln.to_address[idx - 1] = dln.from_address[idx - 1] + 2;
1368             }
1369         }
1370     }
1371   if (lc)
1372     sysroff_swap_dln_out (file, &dln);
1373 }
1374
1375 /* Write the global symbols out to the debug info.  */
1376
1377 static void
1378 wr_globals (struct coff_ofile *p, struct coff_sfile *sfile,
1379             int n ATTRIBUTE_UNUSED)
1380 {
1381   struct coff_symbol *sy;
1382
1383   for (sy = p->symbol_list_head;
1384        sy;
1385        sy = sy->next_in_ofile_list)
1386     {
1387       if (sy->visible->type == coff_vis_ext_def
1388           || sy->visible->type == coff_vis_ext_ref)
1389         {
1390           /* Only write out symbols if they belong to
1391              the current source file.  */
1392           if (sy->sfile == sfile)
1393             walk_tree_symbol (sfile, 0, sy, 0);
1394         }
1395     }
1396 }
1397
1398 static void
1399 wr_debug (struct coff_ofile *p)
1400 {
1401   struct coff_sfile *sfile;
1402   int n = 0;
1403
1404   for (sfile = p->source_head;
1405        sfile;
1406        sfile = sfile->next)
1407     {
1408       if (debug)
1409         printf ("%s\n", sfile->name);
1410
1411       wr_du (p, sfile, n);
1412       wr_dus (p, sfile);
1413       wr_program_structure (p, sfile);
1414       wr_dln (p, sfile, n);
1415       n++;
1416     }
1417 }
1418
1419 static void
1420 wr_cs (void)
1421 {
1422   /* It seems that the CS struct is not normal - the size is wrong
1423      heres one I prepared earlier.  */
1424   static char b[] =
1425     {
1426     0x80,                       /* IT */
1427     0x21,                       /* RL */
1428     0x00,                       /* number of chars in variable length part */
1429     0x80,                       /* hd */
1430     0x00,                       /* hs */
1431     0x80,                       /* un */
1432     0x00,                       /* us */
1433     0x80,                       /* sc */
1434     0x00,                       /* ss */
1435     0x80,                       /* er */
1436     0x80,                       /* ed */
1437     0x80,                       /* sh */
1438     0x80,                       /* ob */
1439     0x80,                       /* rl */
1440     0x80,                       /* du */
1441     0x80,                       /* dps */
1442     0x80,                       /* dsy */
1443     0x80,                       /* dty */
1444     0x80,                       /* dln */
1445     0x80,                       /* dso */
1446     0x80,                       /* dus */
1447     0x00,                       /* dss */
1448     0x80,                       /* dbt */
1449     0x00,                       /* dpp */
1450     0x80,                       /* dfp */
1451     0x80,                       /* den */
1452     0x80,                       /* dds */
1453     0x80,                       /* dar */
1454     0x80,                       /* dpt */
1455     0x00,                       /* dul */
1456     0x00,                       /* dse */
1457     0x00,                       /* dot */
1458     0xDE                        /* CS */
1459   };
1460
1461   if (fwrite (b, sizeof (b), 1, file) != 1)
1462     /* FIXME: Return error status.  */
1463     abort ();
1464 }
1465
1466 /* Write out the SC records for a unit.  Create an SC
1467    for all the sections which appear in the output file, even
1468    if there isn't an equivalent one on the input.  */
1469
1470 static int
1471 wr_sc (struct coff_ofile *ptr, struct coff_sfile *sfile)
1472 {
1473   int i;
1474   int scount = 0;
1475   /* First work out the total number of sections.  */
1476   int total_sec = ptr->nsections;
1477   struct myinfo
1478     {
1479       struct coff_section *sec;
1480       struct coff_symbol *symbol;
1481     };
1482   struct coff_symbol *symbol;
1483   struct myinfo *info
1484     = (struct myinfo *) calloc (total_sec, sizeof (struct myinfo));
1485
1486
1487   for (i = 0; i < total_sec; i++)
1488     {
1489       info[i].sec = ptr->sections + i;
1490       info[i].symbol = 0;
1491     }
1492
1493   for (symbol = sfile->scope->vars_head;
1494        symbol;
1495        symbol = symbol->next)
1496     {
1497
1498       if (symbol->type->type == coff_secdef_type)
1499         {
1500           for (i = 0; i < total_sec; i++)
1501             {
1502               if (symbol->where->section == info[i].sec)
1503                 {
1504                   info[i].symbol = symbol;
1505                   break;
1506                 }
1507             }
1508         }
1509     }
1510
1511   /* Now output all the section info, and fake up some stuff for sections
1512      we don't have.  */
1513   for (i = 1; i < total_sec; i++)
1514     {
1515       struct IT_sc sc;
1516       char *name;
1517
1518       symbol = info[i].symbol;
1519       sc.spare = 0;
1520       sc.spare1 = 0;
1521
1522       if (!symbol)
1523         {
1524           /* Don't have a symbol set aside for this section, which means
1525              that nothing in this file does anything for the section.  */
1526           sc.format = !(bfd_get_file_flags (abfd) & EXEC_P);
1527           sc.addr = 0;
1528           sc.length = 0;
1529           name = info[i].sec->name;
1530         }
1531       else
1532         {
1533           if (bfd_get_file_flags (abfd) & EXEC_P)
1534             {
1535               sc.format = 0;
1536               sc.addr = symbol->where->offset;
1537             }
1538           else
1539             {
1540               sc.format = 1;
1541               sc.addr = 0;
1542             }
1543           sc.length = symbol->type->size;
1544           name = symbol->name;
1545         }
1546
1547       sc.align = 4;
1548       sc.concat = CONCAT_SIMPLE;
1549       sc.read = 3;
1550       sc.write = 3;
1551       sc.exec = 3;
1552       sc.init = 3;
1553       sc.mode = 3;
1554       sc.spare = 0;
1555       sc.segadd = 0;
1556       sc.spare1 = 0;            /* If not zero, then it doesn't work.  */
1557       sc.name = section_translate (name);
1558
1559       if (strlen (sc.name) == 1)
1560         {
1561           switch (sc.name[0])
1562             {
1563             case 'D':
1564             case 'B':
1565               sc.contents = CONTENTS_DATA;
1566               break;
1567
1568             default:
1569               sc.contents = CONTENTS_CODE;
1570             }
1571         }
1572       else
1573         {
1574           sc.contents = CONTENTS_CODE;
1575         }
1576
1577       sysroff_swap_sc_out (file, &sc);
1578       scount++;
1579     }
1580   free (info);
1581   return scount;
1582 }
1583
1584 /* Write out the ER records for a unit.  */
1585
1586 static void
1587 wr_er (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1588        int first)
1589 {
1590   int idx = 0;
1591   struct coff_symbol *sym;
1592
1593   if (first)
1594     {
1595       for (sym = ptr->symbol_list_head; sym; sym = sym->next_in_ofile_list)
1596         {
1597           if (sym->visible->type == coff_vis_ext_ref)
1598             {
1599               struct IT_er er;
1600
1601               er.spare = 0;
1602               er.type = ER_NOTSPEC;
1603               er.name = sym->name;
1604               sysroff_swap_er_out (file, &er);
1605               sym->er_number = idx++;
1606             }
1607         }
1608     }
1609 }
1610
1611 /* Write out the ED records for a unit.  */
1612
1613 static void
1614 wr_ed (struct coff_ofile *ptr, struct coff_sfile *sfile ATTRIBUTE_UNUSED,
1615        int first)
1616 {
1617   struct coff_symbol *s;
1618
1619   if (first)
1620     {
1621       for (s = ptr->symbol_list_head; s; s = s->next_in_ofile_list)
1622         {
1623           if (s->visible->type == coff_vis_ext_def
1624               || s->visible->type == coff_vis_common)
1625             {
1626               struct IT_ed ed;
1627
1628               ed.section = s->where->section->number;
1629               ed.spare = 0;
1630
1631               if (s->where->section->data)
1632                 {
1633                   ed.type = ED_TYPE_DATA;
1634                 }
1635               else if (s->where->section->code & SEC_CODE)
1636                 {
1637                   ed.type = ED_TYPE_ENTRY;
1638                 }
1639               else
1640                 {
1641                   ed.type = ED_TYPE_NOTSPEC;
1642                   ed.type = ED_TYPE_DATA;
1643                 }
1644
1645               ed.address = s->where->offset - s->where->section->address;
1646               ed.name = s->name;
1647               sysroff_swap_ed_out (file, &ed);
1648             }
1649         }
1650     }
1651 }
1652
1653 static void
1654 wr_unit_info (struct coff_ofile *ptr)
1655 {
1656   struct coff_sfile *sfile;
1657   int first = 1;
1658
1659   for (sfile = ptr->source_head;
1660        sfile;
1661        sfile = sfile->next)
1662     {
1663       long p1;
1664       long p2;
1665       int nsecs;
1666
1667       p1 = ftell (file);
1668       wr_un (ptr, sfile, first, 0);
1669       nsecs = wr_sc (ptr, sfile);
1670       p2 = ftell (file);
1671       fseek (file, p1, SEEK_SET);
1672       wr_un (ptr, sfile, first, nsecs);
1673       fseek (file, p2, SEEK_SET);
1674       wr_er (ptr, sfile, first);
1675       wr_ed (ptr, sfile, first);
1676       first = 0;
1677     }
1678 }
1679
1680 static void
1681 wr_module (struct coff_ofile *p)
1682 {
1683   wr_cs ();
1684   wr_hd (p);
1685   wr_unit_info (p);
1686   wr_object_body (p);
1687   wr_debug (p);
1688   wr_tr ();
1689 }
1690
1691 static int
1692 align (int x)
1693 {
1694   return (x + 3) & ~3;
1695 }
1696
1697 /* Find all the common variables and turn them into
1698    ordinary defs - dunno why, but thats what hitachi does with 'em.  */
1699
1700 static void
1701 prescan (struct coff_ofile *otree)
1702 {
1703   struct coff_symbol *s;
1704   struct coff_section *common_section;
1705
1706   /* Find the common section - always section 3.  */
1707   common_section = otree->sections + 3;
1708
1709   for (s = otree->symbol_list_head;
1710        s;
1711        s = s->next_in_ofile_list)
1712     {
1713       if (s->visible->type == coff_vis_common)
1714         {
1715           struct coff_where *w = s->where;
1716
1717           /*      s->visible->type = coff_vis_ext_def; leave it as common */
1718           common_section->size = align (common_section->size);
1719           w->offset = common_section->size + common_section->address;
1720           w->section = common_section;
1721           common_section->size += s->type->size;
1722           common_section->size = align (common_section->size);
1723         }
1724     }
1725 }
1726
1727 char *program_name;
1728
1729 static void
1730 show_usage (FILE *ffile, int status)
1731 {
1732   fprintf (ffile, _("Usage: %s [option(s)] in-file [out-file]\n"), program_name);
1733   fprintf (ffile, _("Convert a COFF object file into a SYSROFF object file\n"));
1734   fprintf (ffile, _(" The options are:\n\
1735   -q --quick       (Obsolete - ignored)\n\
1736   -n --noprescan   Do not perform a scan to convert commons into defs\n\
1737   -d --debug       Display information about what is being done\n\
1738   @<file>          Read options from <file>\n\
1739   -h --help        Display this information\n\
1740   -v --version     Print the program's version number\n"));
1741
1742   if (REPORT_BUGS_TO[0] && status == 0)
1743     fprintf (ffile, _("Report bugs to %s\n"), REPORT_BUGS_TO);
1744   exit (status);
1745 }
1746
1747 int
1748 main (int ac, char **av)
1749 {
1750   int opt;
1751   static struct option long_options[] =
1752   {
1753     {"debug", no_argument, 0, 'd'},
1754     {"quick", no_argument, 0, 'q'},
1755     {"noprescan", no_argument, 0, 'n'},
1756     {"help", no_argument, 0, 'h'},
1757     {"version", no_argument, 0, 'V'},
1758     {NULL, no_argument, 0, 0}
1759   };
1760   char **matching;
1761   char *input_file;
1762   char *output_file;
1763
1764 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
1765   setlocale (LC_MESSAGES, "");
1766 #endif
1767 #if defined (HAVE_SETLOCALE)
1768   setlocale (LC_CTYPE, "");
1769 #endif
1770   bindtextdomain (PACKAGE, LOCALEDIR);
1771   textdomain (PACKAGE);
1772
1773   program_name = av[0];
1774   xmalloc_set_program_name (program_name);
1775
1776   expandargv (&ac, &av);
1777
1778   while ((opt = getopt_long (ac, av, "dHhVvqn", long_options,
1779                              (int *) NULL))
1780          != EOF)
1781     {
1782       switch (opt)
1783         {
1784         case 'q':
1785           quick = 1;
1786           break;
1787         case 'n':
1788           noprescan = 1;
1789           break;
1790         case 'd':
1791           debug = 1;
1792           break;
1793         case 'H':
1794         case 'h':
1795           show_usage (stdout, 0);
1796           /*NOTREACHED */
1797         case 'v':
1798         case 'V':
1799           print_version ("srconv");
1800           exit (0);
1801           /*NOTREACHED */
1802         case 0:
1803           break;
1804         default:
1805           show_usage (stderr, 1);
1806           /*NOTREACHED */
1807         }
1808     }
1809
1810   /* The input and output files may be named on the command line.  */
1811   output_file = NULL;
1812   if (optind < ac)
1813     {
1814       input_file = av[optind];
1815       ++optind;
1816       if (optind < ac)
1817         {
1818           output_file = av[optind];
1819           ++optind;
1820           if (optind < ac)
1821             show_usage (stderr, 1);
1822           if (filename_cmp (input_file, output_file) == 0)
1823             {
1824               fatal (_("input and output files must be different"));
1825             }
1826         }
1827     }
1828   else
1829     input_file = 0;
1830
1831   if (!input_file)
1832     {
1833       fatal (_("no input file specified"));
1834     }
1835
1836   if (!output_file)
1837     {
1838       /* Take a .o off the input file and stick on a .obj.  If
1839          it doesn't end in .o, then stick a .obj on anyway */
1840
1841       int len = strlen (input_file);
1842
1843       output_file = xmalloc (len + 5);
1844       strcpy (output_file, input_file);
1845
1846       if (len > 3
1847           && output_file[len - 2] == '.'
1848           && output_file[len - 1] == 'o')
1849         {
1850           output_file[len] = 'b';
1851           output_file[len + 1] = 'j';
1852           output_file[len + 2] = 0;
1853         }
1854       else
1855         {
1856           strcat (output_file, ".obj");
1857         }
1858     }
1859
1860   abfd = bfd_openr (input_file, 0);
1861
1862   if (!abfd)
1863     bfd_fatal (input_file);
1864
1865   if (!bfd_check_format_matches (abfd, bfd_object, &matching))
1866     {
1867       bfd_nonfatal (input_file);
1868
1869       if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
1870         {
1871           list_matching_formats (matching);
1872           free (matching);
1873         }
1874       exit (1);
1875     }
1876
1877   file = fopen (output_file, FOPEN_WB);
1878
1879   if (!file)
1880     fatal (_("unable to open output file %s"), output_file);
1881
1882   if (debug)
1883     printf ("ids %d %d\n", base1, base2);
1884
1885   tree = coff_grok (abfd);
1886
1887   if (!noprescan)
1888     prescan (tree);
1889
1890   wr_module (tree);
1891   return 0;
1892 }