/* Coff file dumper.
   Copyright (C) 1994 Free Software Foundation, Inc.

This file is part of GNU Binutils.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Written by Steve Chamberlain <sac@cygnus.com>

   This module reads a type tree generated by coffgrok and prints
   it out so we can test the grokker.
*/

#include <bfd.h>
#include <getopt.h>
#include <stdio.h>
#include <libiberty.h>
#include "bucomm.h"

#include "coffgrok.h"


#define PROGRAM_VERSION "1.0"


char *xcalloc(a,b)
int a;
int b;
{
  char *r = xmalloc(a*b);
  memset (r, 0, a * b);
  return r;
}

static int atnl;
static void dump_coff_scope ();

static void
tab (x)
int x;
{
  static int indent;
  int i;

  if (atnl)
    {
      if (x < 0)
	{
	  printf (")");
	  indent += x;

	  return;
	}
      else
	{
	  printf ("\n");
	  atnl = 0;
	}
    }

  if (x == -1)
    {
      for (i = 0; i < indent; i++)
	printf ("   ");

      indent += x;
      printf (")");
      return;
    }

  indent += x;

  for (i = 0; i < indent; i++)
    printf ("   ");

  if (x)
    {
      printf ("(");
    }
}

static void nl ()
{
  atnl = 1;
}

static void
dump_coff_lines (p)
     struct coff_line *p;
{
  int i;
  int online = 0;
  tab(1);
  printf("#lines %d ",p->nlines);
  for (i = 0; i < p->nlines; i++) 
    {
      printf("(%d 0x%x)", p->lines[i], p->addresses[i]);
      online++;
      if (online > 6)
	{
	  nl();
	  tab(0);
	  online = 0;
	}
    }
  nl();
  tab(-1);
}

static void
dump_coff_type (p)
     struct coff_type *p;
{
  tab (1);
  printf ("size %d ", p->size);
  switch (p->type)
    {
    case coff_pointer_type:
      printf ("pointer to");
      nl ();
      dump_coff_type (p->u.pointer.points_to);
      break;
    case coff_array_type:
      printf ("array [%d] of", p->u.array.dim);
      nl ();
      dump_coff_type (p->u.array.array_of);
      break;
    case coff_function_type:
      printf ("function returning");
      nl ();
      dump_coff_type (p->u.function.function_returns);
      dump_coff_lines (p->u.function.lines);
      printf ("arguments");
      nl ();
      dump_coff_scope (p->u.function.parameters);
      tab (0);
      printf ("code");
      nl ();
      dump_coff_scope (p->u.function.code);
      tab(0);
      break;
    case coff_structdef_type:
      printf ("structure definition");
      nl ();
      dump_coff_scope (p->u.astructdef.elements);
      break;
    case coff_structref_type:
      if (!p->u.aenumref.ref)
	printf ("structure ref to UNKNOWN struct");
      else
	printf ("structure ref to %s", p->u.aenumref.ref->name);
      break;
    case coff_enumref_type:
      printf ("enum ref to %s", p->u.astructref.ref->name);
      break;
    case coff_enumdef_type:
      printf ("enum definition");
      nl ();
      dump_coff_scope (p->u.aenumdef.elements);
      break;
    case coff_basic_type:
      switch (p->u.basic)
	{
	case T_NULL:
	  printf ("NULL");
	  break;
	case T_VOID:
	  printf ("VOID");
	  break;
	case T_CHAR:
	  printf ("CHAR");
	  break;
	case T_SHORT:
	  printf ("SHORT");
	  break;
	case T_INT:
	  printf ("INT ");
	  break;
	case T_LONG:
	  printf ("LONG");
	  break;
	case T_FLOAT:
	  printf ("FLOAT");
	  break;
	case T_DOUBLE:
	  printf ("DOUBLE");
	  break;
	case T_STRUCT:
	  printf ("STRUCT");
	  break;
	case T_UNION:
	  printf ("UNION");
	  break;
	case T_ENUM:
	  printf ("ENUM");
	  break;
	case T_MOE:
	  printf ("MOE ");
	  break;
	case T_UCHAR:
	  printf ("UCHAR");
	  break;
	case T_USHORT:
	  printf ("USHORT");
	  break;
	case T_UINT:
	  printf ("UINT");
	  break;
	case T_ULONG:
	  printf ("ULONG");
	  break;
	case T_LNGDBL:
	  printf ("LNGDBL");
	  break;
	default:
	  abort ();
	}
    }
  nl ();
  tab (-1);
}

static void
dump_coff_where (p)
     struct coff_where *p;
{
  tab (1);
  switch (p->where)
    {
    case coff_where_stack:
      printf ("Stack offset %x", p->offset);
      break;
    case coff_where_memory:
      printf ("Memory section %s+%x", p->section->name, p->offset);
      break;
    case coff_where_register:
      printf ("Register %d", p->offset);
      break;
    case coff_where_member_of_struct:
      printf ("Struct Member offset %x", p->offset);
      break;
    case coff_where_member_of_enum:
      printf ("Enum Member offset %x", p->offset);
      break;
    case coff_where_unknown:
      printf ("Undefined symbol");
      break;
    case coff_where_strtag:
      printf ("STRTAG");
    case coff_where_entag:
      printf ("ENTAG");
      break;
    case coff_where_typedef:
      printf ("TYPEDEF");
      break;
    default:
      abort ();
    }
  nl ();
  tab (-1);
}

static void
dump_coff_visible (p)
     struct coff_visible *p;
{
  tab (1);
  switch (p->type)
    {
    case coff_vis_ext_def:
      printf ("coff_vis_ext_def");
      break;
    case coff_vis_ext_ref:
      printf ("coff_vis_ext_ref");
      break;
    case coff_vis_int_def:
      printf ("coff_vis_int_def");
      break;
    case coff_vis_common:
      printf ("coff_vis_common");
      break;
    case coff_vis_auto:
      printf ("coff_vis_auto");
      break;
    case coff_vis_autoparam:
      printf ("coff_vis_autoparam");
      break;
    case coff_vis_regparam:
      printf ("coff_vis_regparam");
      break;
    case coff_vis_register:
      printf ("coff_vis_register");
      break;
    case coff_vis_tag:
      printf ("coff_vis_tag");
      break;
    case coff_vis_member_of_struct:
      printf ("coff_vis_member_of_struct");
      break;
    case coff_vis_member_of_enum:
      printf ("coff_vis_member_of_enum");
      break;
    default:
      abort ();
    }
  nl ();
  tab (-1);
}


void
dump_coff_symbol (p)
     struct coff_symbol *p;
{
  tab (1);
  printf ("List of symbols");
  nl ();
  while (p)
    {
      tab (1);
      tab (1);
      printf ("Symbol  %s, tag %d, number %d", p->name, p->tag, p->number);
      nl ();
      tab (-1);
      tab (1);
      printf ("Type");
      nl ();
      dump_coff_type (p->type);
      tab (-1);
      tab (1);
      printf ("Where");
      dump_coff_where (p->where);
      tab (-1);
      tab (1);
      printf ("Visible");
      dump_coff_visible (p->visible);
      tab (-1);
      p = p->next;
      tab (-1);
    }
  tab (-1);
}

static void
dump_coff_scope (p)
     struct coff_scope *p;
{
if (p) {
  tab (1);
  printf ("List of blocks %x ",p);

  if (p->sec) {
    printf( "  %s %x..%x",  p->sec->name,p->offset, p->offset + p->size -1);
  }
  nl ();
  tab (0);
  printf ("*****************");
  nl ();
  while (p)
    {
      tab (0);
      printf ("vars %d", p->nvars);
      nl ();
      dump_coff_symbol (p->vars_head);
      printf ("blocks");
      nl ();
      dump_coff_scope (p->list_head);
      nl ();
      p = p->next;
    }

  tab (0);
  printf ("*****************");
  nl ();
  tab (-1);
}
}

static void
dump_coff_sfile (p)
     struct coff_sfile *p;
{
  tab (1);
  printf ("List of source files");
  nl ();
  while (p)
    {
      tab (0);
      printf ("Source file %s", p->name);
      nl ();
      dump_coff_scope (p->scope);
      p = p->next;
    }
  tab (-1);
}

static void
dump_coff_section(ptr)
struct coff_section *ptr;
{
  int i;
  tab(1);
  printf("section %s %d %d address %x size %x number %d nrelocs %d", 
	 ptr->name, ptr->code, ptr->data, ptr->address,ptr->size, ptr->number, ptr->nrelocs);
  nl();

  for (i = 0; i < ptr->nrelocs; i++) 
    {
      tab(0);    
      printf("(%x %s %x)",
	     ptr->relocs[i].offset,
	     ptr->relocs[i].symbol->name,
	     ptr->relocs[i].addend);
      nl();
    }
  tab(-1);

}

void
coff_dump (ptr)
     struct coff_ofile *ptr;
{
  int i;
  printf ("Coff dump");
  nl ();
  printf ("#souces %d", ptr->nsources);
  nl ();
  dump_coff_sfile (ptr->source_head);
  for (i = 0; i < ptr->nsections; i++)
    dump_coff_section(ptr->sections + i);
}



char * program_name;

static void
show_usage (file, status)
     FILE *file;
     int status;
{
  fprintf (file, "Usage: %s [-hV] in-file\n",   program_name);
  exit (status);
}

static void
show_help ()
{
  printf ("%s: Print a human readable interpretation of a SYSROFF object file\n",
	  program_name);
  show_usage (stdout, 0);
}


int
main (ac, av)
     int ac;
     char *av[];
{
  bfd *abfd;
  struct coff_ofile *tree;
  char **matching;
  char *input_file = NULL;
  int opt;
  static struct option long_options[] =
    {
      { "help", no_argument, 0, 'h' },
      { "version", no_argument, 0, 'V' },
      { NULL, no_argument, 0, 0 }
    };

  program_name = av[0];
  xmalloc_set_program_name (program_name);

  while ((opt = getopt_long (ac, av, "hV", long_options,
			     (int *) NULL))
	 != EOF)
    {
      switch (opt)
	{
	case 'h':
	  show_help ();
	  /*NOTREACHED*/
	case 'V':
	  printf ("GNU %s version %s\n", program_name, PROGRAM_VERSION);
	  exit (0);
	  /*NOTREACHED*/
	case 0:
	  break;
	default:
	  show_usage (stderr, 1);
	  /*NOTREACHED*/
	}
    }

  if (optind < ac)
    {
      input_file = av[optind];
    }

  if (!input_file)
    {
      fprintf (stderr,"%s: no input file specified\n",
	       program_name);
      exit(1);
    }
  abfd = bfd_openr (input_file, 0);

  if (!abfd)
    bfd_fatal (input_file);

  if (! bfd_check_format_matches (abfd, bfd_object, &matching))
    {
      bfd_nonfatal (input_file);
      if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
	{
	  list_matching_formats (matching);
	  free (matching);
	}
      exit (1);
    }

  tree = coff_grok (abfd);

  coff_dump(tree);
  printf("\n");
  return 0;
}
