binutils/srconv.c

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