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diag_out.c

/*
             Crown Copyright (c) 1997

    This TenDRA(r) Computer Program is subject to Copyright
    owned by the United Kingdom Secretary of State for Defence
    acting through the Defence Evaluation and Research Agency
    (DERA).  It is made available to Recipients with a
    royalty-free licence for its use, reproduction, transfer
    to other parties and amendment for any purpose not excluding
    product development provided that any such use et cetera
    shall be deemed to be acceptance of the following conditions:-

        (1) Its Recipients shall ensure that this Notice is
        reproduced upon any copies or amended versions of it;

        (2) Any amended version of it shall be clearly marked to
        show both the nature of and the organisation responsible
        for the relevant amendment or amendments;

        (3) Its onward transfer from a recipient to another
        party shall be deemed to be that party's acceptance of
        these conditions;

        (4) DERA gives no warranty or assurance as to its
        quality or suitability for any purpose and DERA accepts
        no liability whatsoever in relation to any use to which
        it may be put.
*/


/* sol86/diag_out.c */

/**********************************************************************
$Author: release $
$Date: 1998/03/27 09:47:52 $
$Revision: 1.4 $
$Log: diag_out.c,v $
 * Revision 1.4  1998/03/27  09:47:52  release
 * Changes for 4.1.2 release.
 *
 * Revision 1.3  1998/03/11  11:03:13  pwe
 * DWARF optimisation info
 *
 * Revision 1.2  1998/02/04  15:50:10  pwe
 * STABS for void*
 *
 * Revision 1.1.1.1  1998/01/17  15:55:52  release
 * First version to be checked into rolling release.
 *
 * Revision 1.16  1998/01/09  14:47:49  pwe
 * prep restructure
 *
 * Revision 1.15  1997/08/23  13:46:04  pwe
 * initial ANDF-DE
 *
 * Revision 1.14  1997/04/02  10:33:43  pwe
 * diagnose pl_tests
 *
 * Revision 1.13  1997/03/20  16:24:35  pwe
 * dwarf2
 *
 * Revision 1.12  1997/02/18  11:43:25  pwe
 * NEWDIAGS for debugging optimised code
 *
 * Revision 1.11  1996/12/10  15:12:06  pwe
 * prep NEWDIAGS
 *
 * Revision 1.10  1996/07/05  09:07:56  pwe
 * correct stabs enums
 *
 * Revision 1.9  1996/05/09  17:30:53  pwe
 * shift invalidate_dest, and stabs postlude
 *
 * Revision 1.8  1996/03/13  13:43:35  pwe
 * diags for long long
 *
 * Revision 1.7  1995/12/22  09:34:35  pwe
 * solaris diags for stack objects
 *
 * Revision 1.6  1995/12/20  11:14:02  pwe
 * stabs local variable scopes
 *
 * Revision 1.5  1995/11/30  10:20:02  pwe
 * diag struct struct
 *
 * Revision 1.4  1995/03/29  09:45:08  pwe
 * empty file requires arbitrary name
 *
 * Revision 1.3  1995/03/28  14:28:57  pwe
 * correct diagnose empty file
 *
 * Revision 1.2  1995/03/22  19:02:58  pwe
 * add .file at start
 *
 * Revision 1.1  1995/03/17  18:31:27  pwe
 * stabs diagnostics for solaris and linux
 *
**********************************************************************/

#include "config.h"
#include "common_types.h"
#include "basicread.h"
#include "out.h"
#include "machine.h"
#include "shapemacs.h"
#include "expmacs.h"
#include "tags.h"
#include "szs_als.h"
#include "xalloc.h"
#include "exp.h"
#include "externs.h"

#ifdef NEWDIAGS

#include "dg_types.h"
#include "dg_aux.h"
#include "dg_globs.h"
#include "codermacs.h"
#include "instr.h"

#else

#include "diagtypes.h"
#include "diag_fns.h"
#include "mark_scope.h"
#include "diagglob.h"

#endif




extern int locals_offset;     /* declared in cproc.c */


/*
    FORWARD DECLARATIONS
*/

#ifdef NEWDIAGS
static void stab_scope_open PROTO_S ( ( dg_filename ) ) ;
static void stab_scope_close PROTO_S ( ( void ) ) ;
static void stab_file PROTO_S ( ( dg_filename ) ) ;
static void stab_local PROTO_S ( ( dg_name, int ) ) ;
static void stab_types PROTO_S ( ( void ) ) ;
#else
static void stab_scope_open PROTO_S ( ( long ) ) ;
static void stab_scope_close PROTO_S ( ( long ) ) ;
static void stab_file PROTO_S ( ( long, bool ) ) ;
static void stab_local PROTO_S ( ( diag_info *, int, exp ) ) ;
static void stab_types PROTO_S ( ( void ) ) ;
#endif


      /* label number sequence independent from text code */
static int diag_lab_no = 0;

static int next_d_lab
    PROTO_Z ()
{
  return ++diag_lab_no;
}



/*
    DIAGNOSTICS FILE
*/

static FILE *dg_file ;

#ifndef NEWDIAGS
static char *dg_file_name ;
#endif

static void d_outnl
    PROTO_Z ()
{
  /* avoids indicating completion of executable instruction */
  IGNORE fputs ("\n", dg_file);
}



/*
    BASIC TYPE NUMBERS
*/

#define STAB_SCHAR      4
#define STAB_UCHAR      6
#define STAB_SSHRT      2
#define STAB_USHRT      3
#define STAB_SLONG      7
#define STAB_ULONG      9
#define STAB_SINT 1
#define STAB_UINT 8
#define STAB_FLOAT      10
#define STAB_DBL  11
#define STAB_LDBL 12
#define STAB_VOID 13
#define STAB_S64  14
#define STAB_U64  15
#define STAB_VS         16
#define NO_STABS  17


/*
    80x86 register numbers
*/

#ifdef NEWDIAGS
static long reg_stabno [8] = {0, 2, 1, 3, 7, 6, 5, 4};
#endif

/*
    BASIC POINTERS
*/

static long stab_ptrs [ NO_STABS ] = {
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
} ;


/*
    CURRENT TYPE NUMBER
*/

static long typeno ;


/*
    SIZE OF LAST STAB TYPE OUTPUT
*/

static long last_type_sz = 0 ;


/*
    CURRENT LINE NUMBER AND FILE NUMBER
*/

long currentlno = -1 ;

#ifdef NEWDIAGS

dg_filename currentfile = (dg_filename)0;
dg_filename prim_file = (dg_filename)0;

#else

long currentfile = -1 ;

#endif


/*
    ARRAY OF TYPE SIZES
*/

static long *type_sizes ;
static int total_type_sizes = 0 ;


/*
    SETTING AND GETTING TYPE SIZES
*/

#define set_stab_size( i )    type_sizes [ ( i ) ] = last_type_sz
#define get_stab_size( i )    ( type_sizes [ ( i ) ] )
#define shape_stab_size( i, s )     type_sizes [ ( i ) ] = shape_size (s)


/*
    GET THE NEXT TYPE NUMBER
*/

static long next_typen
    PROTO_Z ()
{
    if ( typeno >= total_type_sizes ) {
      int i, n = total_type_sizes, m = n + 100 ;
      type_sizes = ( long * ) xrealloc ( (void*)(CH type_sizes),
                              (size_t)m * sizeof ( long ) ) ;
      for ( i = n ; i < m ; i++ ) type_sizes [i] = 0 ;
      total_type_sizes = m ;
    }
    return ( typeno++ ) ;
}


#ifndef NEWDIAGS

/*
    ARRAY OF FILE DESCRIPTORS
*/

static filename *fds = NULL ;
static int szfds = 0 ;
static int nofds = 0 ;


/*
    ADD A NEW FILE TO THE ARRAY OF FILE DESCRIPTORS
*/

void stab_collect_files
    PROTO_N ( (f) )
    PROTO_T ( filename f )
{
    if ( fds == NULL ) {
      szfds += 10 ;
      fds = ( filename * ) xmalloc ( szfds * sizeof ( filename ) ) ;
    } else if ( nofds >= szfds ) {
      szfds += 10 ;
      fds = ( filename * ) xrealloc ( (void*)(CH fds),
                        szfds * sizeof ( filename ) ) ;
    }
    fds [ nofds++ ] = f ;
    return ;
}


/*
    FIND THE FILE DESCRIPTOR CORRESPONDING TO A FILE NAME
*/

static long find_file
    PROTO_N ( (f) )
    PROTO_T ( char * f )
{
    long i ;
    for ( i = 0 ; i < nofds ; i++ ) {
      if ( strcmp ( f, fds [i]->file.ints.chars ) == 0 ) return ( i ) ;
    }
    return ( 0 ) ;
}

#endif


static int last_proc_cname;
static char * last_proc_pname = "<<No Proc>>";

static void out_procname
    PROTO_Z ()
{
  if (last_proc_cname == -1) {
    outs (last_proc_pname);
  }
  else {
    outs(local_prefix);
    outn ((long)last_proc_cname);
  };
}


/*
    OUTPUT A FILE POSITION CONSTRUCT
*/

#define N_SLINE 0x44
#define N_DSLINE 0x46
#define N_BSLINE 0x48
#define N_LBRAC  0xc0
#define N_RBRAC  0xe0

#ifdef NEWDIAGS

void stabd
    PROTO_N ( (f, lno, seg) )
    PROTO_T ( dg_filename f X long lno X int seg )
{
    long i ;
    if ( f == currentfile && lno == currentlno ) return ;
    stab_file ( f ) ;

    if (seg != 0)       /* 0 suppresses always */
    {

      if (seg > 0)            /* -ve line nos are put out in the stabs */
      {
      i = next_d_lab () ;
      IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
      IGNORE fprintf ( dg_file, "\t.stabn\t0x%x,0,%ld,.LL.%ld-",seg,
             lno, i ) ;
      out_procname ();
      d_outnl ();
      }
    }
    currentlno = lno ;
    return ;
}

#else

static void stabd
    PROTO_N ( (findex, lno, seg) )
    PROTO_T ( long findex X long lno X int seg )
{
    long i ;

    if ( findex == currentfile && lno == currentlno ) return ;
    stab_file ( findex, 1 ) ;

    if (seg != 0)       /* 0 suppresses always */
    {

      if (seg > 0)            /* -ve line nos are put out in the stabs */
      {
      i = next_d_lab () ;
      IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
      IGNORE fprintf ( dg_file, "\t.stabn\t0x%x,0,%ld,.LL.%ld-",seg,
             lno, i ) ;
      out_procname ();
      d_outnl ();
      }
    }
    currentlno = lno ;
    return ;
}

#endif



#ifdef NEWDIAGS
/*
    OUTPUT DIAGNOSTICS SURROUNDING CODE
*/

void code_diag_info
    PROTO_N ( (d, mcode, args) )
    PROTO_T ( dg_info d X void (*mcode) PROTO_S ((void *)) X void * args )
{
  if (d == nildiag) {
    (*mcode)(args);
    return;
  }
  switch (d->key) {
    case DGA_PARAMS: {
      dg_name arg = d->data.i_param.args;
      while (arg) {
      stab_local (arg, 1);
      arg = arg->next;
      }
      code_diag_info (d->more, mcode, args);
      break;
    }
    case DGA_SRC: {
      if (d->data.i_src.startpos.line) {
      stabd ( d->data.i_src.startpos.file, d->data.i_src.startpos.line,
            N_SLINE ) ;
      }
      code_diag_info (d->more, mcode, args);
      if (d->data.i_src.endpos.line)
      stabd ( d->data.i_src.endpos.file, d->data.i_src.endpos.line,
            N_SLINE ) ;
      break;
    }
    case DGA_SCOPE:
    case DGA_EXTRA: {
      dg_filename f = currentfile;
      long l = currentlno + 1;
      if (d->data.i_scope.lexpos.line) {
      f = d->data.i_scope.lexpos.file;
      l = d->data.i_scope.lexpos.line;
      }
      stab_scope_open ( f ) ;
      stabd ( f, l, N_SLINE ) ;
      code_diag_info (d->more, mcode, args);
      stab_scope_close () ;
      if (d->data.i_scope.endpos.line)
      stabd ( d->data.i_scope.endpos.file, d->data.i_scope.endpos.line,
            N_SLINE ) ;
      break;
    }
    case DGA_NAME: {
      stab_local (d->data.i_nam.dnam, 0);
      code_diag_info (d->more, mcode, args);
      break;
    }
    default: {
      code_diag_info (d->more, mcode, args);
      break;
    }
  };
  return;
}


#else

/*
    OUTPUT INITIAL DIAGNOSTICS FOR A DIAGNOSE_TAG
*/

void output_diag
    PROTO_N ( (d, proc_no, e) )
    PROTO_T ( diag_info * d X int proc_no X exp e )
{
  if ( d->key == DIAG_INFO_SOURCE ) {
    sourcemark *s = &d->data.source.beg ;
    long f = find_file ( s->file->file.ints.chars ) ;
    stabd ( f, ( long ) s->line_no.nat_val.small_nat ,N_SLINE) ;
    return ;
  }

  if (d -> key == DIAG_INFO_ID) {
    exp acc = d -> data.id_scope.access;

    if ( isglob ( son ( acc ) ) || no ( son ( acc ) ) == 1 ) return;
    mark_scope(e);

    if ( props ( e ) & 0x80 ) {
      stab_scope_open ( currentfile ) ;
      stabd ( currentfile, ( long ) ( currentlno + 1 ), N_SLINE ) ;
    }

    stab_local ( d, proc_no, acc );

    return ;
  }
}


/*
    OUTPUT FINAL DIAGNOSTICS FOR A DIAGNOSE_TAG
*/

void output_end_scope
    PROTO_N ( (d, e) )
    PROTO_T ( diag_info * d X exp e )
{
    if ( d->key == DIAG_INFO_SOURCE ) {
      sourcemark *s = &d->data.source.end ;
      long f = find_file ( s->file->file.ints.chars ) ;
      long lno = s->line_no.nat_val.small_nat ;
      stabd ( f, lno, N_SLINE) ;
      return ;
    }
    if ( d->key == DIAG_INFO_ID && props ( e ) & 0x80 ) {
      stab_scope_close ( currentfile ) ;
      return ;
    }
    return ;
}
#endif




/*
    FIND THE STAB OF A SIMPLE SHAPE
*/

#ifdef NEWDIAGS

static long out_sh_type
    PROTO_N ( (s, nm) )
    PROTO_T ( shape s X char* nm )
{
  last_type_sz = shape_size ( s ) ;
  switch ( name ( s ) ) {
    case scharhd : return ( STAB_SCHAR ) ;
    case ucharhd : return ( STAB_UCHAR ) ;
    case swordhd : return ( STAB_SSHRT ) ;
    case uwordhd : return ( STAB_USHRT ) ;
    case slonghd : return ( strstr (nm, "long") ? STAB_SLONG : STAB_SINT ) ;
    case ulonghd : return ( strstr (nm, "long") ? STAB_ULONG : STAB_UINT ) ;
    case s64hd : return ( STAB_S64 ) ;
    case u64hd : return ( STAB_U64 ) ;
    case shrealhd : return ( STAB_FLOAT ) ;
    case realhd : return ( STAB_DBL ) ;
    case doublehd : return ( STAB_LDBL ) ;
  }
  return ( STAB_VOID ) ;
}

static long find_basic_type
    PROTO_N ( ( s ) )
    PROTO_T ( char* s )
{
  char* x;
  if (strstr (s, "char"))
    return ( strstr (s, "unsigned") ? STAB_UCHAR : STAB_SCHAR );
  if (strstr (s, "double"))
    return ( strstr (s, "long") ? STAB_LDBL : STAB_DBL );
  if (strstr (s, "float"))
    return ( STAB_FLOAT );
  if (strstr (s, "short"))
    return ( strstr (s, "unsigned") ? STAB_USHRT : STAB_SSHRT );
  if ( (x = strstr (s, "long"))) {
    if (strstr (x+1, "long"))
      return ( strstr (s, "unsigned") ? STAB_U64 : STAB_S64 );
    return ( strstr (s, "unsigned") ? STAB_ULONG : STAB_SLONG );
  }
  if (strstr (s, "int"))
    return ( strstr (s, "unsigned") ? STAB_UINT : STAB_SINT );
  if (strstr (s, "void_star"))
    return ( STAB_VS );
  return ( STAB_VOID ) ;
}

#else

static long out_sh_type
    PROTO_N ( (s) )
    PROTO_T ( shape s )
{
    last_type_sz = shape_size ( s ) ;
    switch ( name ( s ) ) {
      case scharhd : return ( STAB_SCHAR ) ;
      case ucharhd : return ( STAB_UCHAR ) ;
      case swordhd : return ( STAB_SSHRT ) ;
      case uwordhd : return ( STAB_USHRT ) ;
      case slonghd : return ( STAB_SINT ) ;
      case ulonghd : return ( STAB_UINT ) ;
      case s64hd : return ( STAB_S64 ) ;
      case u64hd : return ( STAB_U64 ) ;
      case shrealhd : return ( STAB_FLOAT ) ;
      case realhd : return ( STAB_DBL ) ;
      case doublehd : return ( STAB_LDBL ) ;
    }
    return ( STAB_VOID ) ;
}

#endif


/*
    OUTPUT DIAGNOSTICS DIRECTIVE FOR A FILE
*/

#ifdef NEWDIAGS

static void stab_file
    PROTO_N ( ( f ) )
    PROTO_T ( dg_filename f )
{
    long i = next_d_lab () ;
    int stb;

    if ( f == currentfile || !f ) {
      return ;
    }

    stb = (f == prim_file ? 0x64 : 0x84);
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;

    if (f->file_name[0] != '/' && f->file_path[0])
      IGNORE fprintf ( dg_file, "\t.stabs\t\"%s/\",0x%x,0,0,.LL.%ld\n", f->file_path, stb, i );

    IGNORE fprintf ( dg_file, "\t.stabs\t\"%s\",0x%x,0,0,.LL.%ld\n", f->file_name, stb, i );

    currentfile = f ;
    return ;
}

#else

static void stab_file
    PROTO_N ( (findex, internal) )
    PROTO_T ( long findex X bool internal )
{
    static long i = 0 ;

    if ( findex == currentfile || findex < 0 || findex >= szfds ) {
      return ;
    }

    if ( !internal ) {
      /* source file */
      i = next_d_lab () ;
      IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
      IGNORE fprintf ( dg_file, "\t.stabs\t\"%s\",0x64,0,0,.LL.%ld\n",
              fds [ findex ]->file.ints.chars, i ) ;
    } else {
      /* included file */
      IGNORE fprintf ( dg_file, "\t.stabs\t\"%s\",0x84,0,0,.LL.%ld\n",
              fds [ findex ]->file.ints.chars, i ) ;
    }
    currentfile = findex ;
    return ;
}

#endif


/*
    LIST OF DIAGNOSTIC SCOPES AND LOCAL VARIABLES
*/

#define DEL_SIZE 50

struct delay_stab {
    int del_t;
    union {
      struct {
          char * nm;
#ifdef NEWDIAGS
          dg_type dt;
#else
          diag_type dt;
#endif
          int offset;
      } l;
      struct {
          int br;
          int lev;
          int lab;
      } b;
    } u;
};

enum del_types {D_PARAM, D_LOCAL, D_BRACKET, D_REG};

struct del_stab_array {
    struct del_stab_array *more;
    struct delay_stab a [DEL_SIZE];
};

static struct del_stab_array *del_stab_start = NULL;
static struct del_stab_array *last_del_array = NULL;
static struct del_stab_array *c_del_array = NULL;
static int c_del_index = DEL_SIZE;

static struct delay_stab * next_del_stab
    PROTO_Z ()
{
    if (c_del_index == DEL_SIZE) {
      if (c_del_array != last_del_array)
          c_del_array = c_del_array -> more;
      else {
          struct del_stab_array * s =
            (struct del_stab_array *) (xmalloc (sizeof(struct del_stab_array)));
          s -> more = NULL;
          if (del_stab_start == NULL)
            del_stab_start = s;
          else
            last_del_array -> more = s;
          c_del_array = last_del_array = s;
      }
      c_del_index = 0;
    }
    return ((c_del_array -> a) + (c_del_index ++));
}

static long open_label = 0 ;
static long bracket_level = 0 ;


/*
    START OF A DIAGNOSTICS SCOPE
*/

#ifdef NEWDIAGS

static void stab_scope_open
    PROTO_N ( ( f ) )
    PROTO_T ( dg_filename f )
{
    long i ;
    stab_file ( f ) ;
    if ( open_label != 0 )
    {
      struct delay_stab * t = next_del_stab();
      t->del_t = D_BRACKET;
      t->u.b.br = N_LBRAC;
      t->u.b.lev = bracket_level;
      t->u.b.lab = open_label;
    }
    i = next_d_lab () ;
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
    bracket_level++ ;
    open_label = i ;
    return ;
}

#else

static void stab_scope_open
    PROTO_N ( (findex) )
    PROTO_T ( long findex )
{
    long i ;
    stab_file ( findex, 1 ) ;
    if ( open_label != 0 )
    {
      struct delay_stab * t = next_del_stab();
      t->del_t = D_BRACKET;
      t->u.b.br = N_LBRAC;
      t->u.b.lev = bracket_level;
      t->u.b.lab = open_label;
    }
    i = next_d_lab () ;
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
    bracket_level++ ;
    open_label = i ;
    return ;
}

#endif


/*
    END OF A DIAGNOSTICS SCOPE
*/

#ifdef NEWDIAGS

static void stab_scope_close
    PROTO_Z ()
{
    long i ;
    struct delay_stab * x;
    if ( open_label != 0 )
    {
      struct delay_stab * t = next_del_stab();
      t->del_t = D_BRACKET;
      t->u.b.br = N_LBRAC;
      t->u.b.lev = bracket_level;
      t->u.b.lab = open_label;
      open_label = 0 ;
    }
    i = next_d_lab () ;
    x = next_del_stab();
    x->del_t = D_BRACKET;
    x->u.b.br = N_RBRAC;
    x->u.b.lev = bracket_level;
    x->u.b.lab = i;
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
    bracket_level-- ;
    return ;
}

#else

static void stab_scope_close
    PROTO_N ( (findex) )
    PROTO_T ( long findex )
{
    long i ;
    struct delay_stab * x;
    if ( open_label != 0 )
    {
      struct delay_stab * t = next_del_stab();
      t->del_t = D_BRACKET;
      t->u.b.br = N_LBRAC;
      t->u.b.lev = bracket_level;
      t->u.b.lab = open_label;
      open_label = 0 ;
    }
    i = next_d_lab () ;
    x = next_del_stab();
    x->del_t = D_BRACKET;
    x->u.b.br = N_RBRAC;
    x->u.b.lev = bracket_level;
    x->u.b.lab = i;
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
    bracket_level-- ;
    return ;
}

#endif


/*
    DEPTH COUNT FOR STAB TYPES
*/

static int max_depth = 64 ;
static int depth_now = 0 ;


/*
    OUTPUT A DIAGNOSTICS TYPE
*/

#define OUT_DT_SHAPE( dt )    out_dt_shape ( ( depth_now = 0, dt ) )

#ifdef NEWDIAGS

static long type_size
    PROTO_N ( (dt) )
    PROTO_T ( dg_type dt )
{
  if (!dt)
    return 0;
  if ( dt->outref.k == LAB_D || dt->outref.k < 0 )
    return get_stab_size ( dt->outref.u.l ) ;
  switch ( dt->key ) {
    case DGT_TAGGED: {
      dg_tag tg = dt->data.t_tag;
      if (tg->key == DGK_NONE) {
      return 0;
      }
      if (tg->key == DGK_TYPE) {
      dg_type ref_t = tg->p.typ;
      if (ref_t == dt)
        return type_sizes [ find_basic_type (ref_t->outref.u.s) ];
      return type_size (ref_t);
      }
      if (tg->key == DGK_NAME) {
      dg_name ref_n = tg->p.nam;
      if (ref_n->key == DGN_TYPE /* && ref_n->idnam.id_key == DG_ID_NONE */) {
        dg_type ref_t = tg->p.nam->data.n_typ.raw;
        return type_size (ref_t);
      }
      }
      return 0;
    }
    case DGT_BASIC: {
      return shape_size (dt->data.t_bas.b_sh);
    }
    case DGT_QUAL: {
      if (dt->data.t_qual.q_key == DG_PTR_T)
        return 32;
      {
      dg_type pdt = dt->data.t_qual.typ ;
      return type_size ( pdt ) ;
      }
    }
    case DGT_ARRAY: {
      if (dt->data.t_arr.dims.len == 1) {
      dg_dim x;
      x = dt->data.t_arr.dims.array[0];
      if (x.d_key == DG_DIM_BOUNDS && !x.low_ref && !x.hi_ref && !x.hi_cnt) {
        long lwb = no (son(x.lower.x));
        long upb = no (son(x.upper.x));
        long stride = no (son(dt->data.t_arr.stride));
        return ( stride * ( upb - lwb + 1 ) );

      }
      }
      return 0;
    }
    case DGT_ENUM: {
      return shape_size (dt->data.t_enum.sha);
    }
    case DGT_STRUCT: {
      return shape_size (dt->data.t_struct.sha);
    }
    case DGT_BITF : {
      return dt->data.t_bitf.bv.bits;
    }
    case DGT_PROC: {
      return 32;
    }
    default :
      return 0;
  }
}

static void out_dt_shape
    PROTO_N ( ( dt ) )
    PROTO_T ( dg_type dt )
{
  if (!dt) {
    IGNORE fprintf ( dg_file, "%d", STAB_VOID ) ;
    last_type_sz = 0 ;
    return ;
  }

  if ( dt->outref.k == LAB_D || ( dt->outref.k < 0 && depth_now != 0 ) ) {
    IGNORE fprintf ( dg_file, "%ld", dt->outref.u.l ) ;
    last_type_sz = get_stab_size ( dt->outref.u.l ) ;
    return ;
  }

#if 0
  /* SunOS as(1) rejects stab lines >2k so reduce size arbitrarily */
  if ( depth_now >= max_depth ) {
    IGNORE fprintf ( dg_file, "%d", STAB_SLONG ) ;
    return ;
  }
#endif
  depth_now++ ;

  switch ( dt->key ) {

    case DGT_TAGGED: {
      dg_tag tg = dt->data.t_tag;
      if (tg->done) {
      dt->outref = tg->outref;
      out_dt_shape (dt);
      break;
      }
      if (tg->key == DGK_NONE) {
      failer ("external type");
      tg->done = 1;
      tg->outref.k = LAB_D;
      tg->outref.u.l = 0;
      out_dt_shape (dt);
      break;
      }
      if (tg->key == DGK_TYPE) {
      dg_type ref_t = tg->p.typ;
      if (ref_t == dt) {
        if (ref_t->outref.k != LAB_STR)
          failer ("uninitialised?");
        ref_t->outref.k = LAB_D;
        ref_t->outref.u.l = find_basic_type (ref_t->outref.u.s);
      }
      out_dt_shape (ref_t);
      dt->outref = tg->outref = ref_t->outref;
      tg->done = 1;
      break;
      }
      if (tg->key == DGK_NAME) {
      dg_name ref_n = tg->p.nam;
      if (ref_n->key == DGN_TYPE /* && ref_n->idnam.id_key == DG_ID_NONE */) {
        dg_type ref_t = tg->p.nam->data.n_typ.raw;
        out_dt_shape (ref_t);
        dt->outref = tg->outref = ref_t->outref;
        tg->done = 1;
        break;
      }
      }
      failer ("unfinished convolution");
      tg->done = 1;
      tg->outref.k = LAB_D;
      tg->outref.u.l = 0;
      out_dt_shape (dt);
      break;
    }

    case DGT_BASIC: {
      dt->outref.u.l = out_sh_type (dt->data.t_bas.b_sh, dt->data.t_bas.tnam);
      dt->outref.k = LAB_D;
      out_dt_shape (dt);
      break;
    }

    case DGT_QUAL: {
      if (dt->data.t_qual.q_key == DG_PTR_T) {
      long non ;
      dg_type pdt = dt->data.t_qual.typ ;
      if ( pdt->key == DGT_BASIC ) {
        long pn = out_sh_type (pdt->data.t_bas.b_sh, pdt->data.t_bas.tnam);
        non = stab_ptrs [ pn ] ;
        if ( non == 0 ) {
          non = (dt->outref.k < 0 ? dt->outref.u.l : next_typen ()) ;
          stab_ptrs [ pn ] = non ;
          IGNORE fprintf ( dg_file, "%ld=*%ld", non, pn ) ;
        }
        else {
          IGNORE fprintf ( dg_file, "%ld", non ) ;
        }
        }
        else {
        non = (dt->outref.k < 0 ? dt->outref.u.l : next_typen ()) ;
        IGNORE fprintf ( dg_file, "%ld=*", non ) ;
        out_dt_shape ( pdt ) ;
      }
      dt->outref.u.l = non ;
      dt->outref.k = LAB_D;
      last_type_sz = 32 ;
      set_stab_size ( non ) ;
      }
      else {
      dg_type pdt = dt->data.t_qual.typ ;
      out_dt_shape ( pdt ) ;
      dt->outref = pdt->outref;
      }
      break;
    }

    case DGT_ARRAY: {
      long non;
      if (dt->outref.k >= 0)
      dt->outref.u.l = next_typen () ;
      dt->outref.k = LAB_D;
      non = dt->outref.u.l;
      if (dt->data.t_arr.dims.len == 1) {
      dg_dim x;
      x = dt->data.t_arr.dims.array[0];
      if (x.d_key == DG_DIM_BOUNDS && !x.low_ref && !x.hi_ref && !x.hi_cnt) {
        long lwb = no (son(x.lower.x));
        long upb = no (son(x.upper.x));
        long stride = no (son(dt->data.t_arr.stride));
        dg_type index_type = x.d_typ;
        dg_type element_type = dt->data.t_arr.elem_type;
        IGNORE fprintf ( dg_file, "%ld=", non ) ;
        IGNORE fprintf ( dg_file, "ar" ) ;
        out_dt_shape ( index_type ) ;
        IGNORE fprintf ( dg_file, ";%ld;%ld;", lwb, upb ) ;
        out_dt_shape ( element_type ) ;
        last_type_sz = stride * ( upb - lwb + 1 ) ;
        set_stab_size ( non ) ;
        break ;
      }
      if (x.d_key == DG_DIM_NONE) {
        dg_type index_type = x.d_typ;
        dg_type element_type = dt->data.t_arr.elem_type;
        IGNORE fprintf ( dg_file, "%ld=", non ) ;
        IGNORE fprintf ( dg_file, "ar" ) ;
        out_dt_shape ( index_type ) ;
        IGNORE fprintf ( dg_file, ";0;0;" ) ;
        out_dt_shape ( element_type ) ;
        last_type_sz = 0 ;
        set_stab_size ( non ) ;
        break ;
      }
      }
      failer ("complex array");
      break;
    }

    case DGT_ENUM: {
      int i ;
      dg_enum * el = dt->data.t_enum.values.array;
      if (dt->outref.k >= 0)
      dt->outref.u.l = next_typen () ;
      dt->outref.k = LAB_D;
      IGNORE fprintf ( dg_file, "%ld=e", dt->outref.u.l ) ;
      for (i = 0; i < dt->data.t_enum.values.len; i++) {
        IGNORE fprintf ( dg_file, "%s:%d,", el[i].enam, no (son(el[i].value)) );
      }
      IGNORE fprintf ( dg_file, ";" ) ;
      last_type_sz = shape_size (dt->data.t_enum.sha);
      set_stab_size ( dt->outref.u.l ) ;
      break ;
    }

    case DGT_STRUCT: {
      int i ;
      char su = (dt->data.t_struct.is_union ? 'u' : 's');
      shape s = dt->data.t_struct.sha;
      dg_classmem * el = dt->data.t_struct.u.fields.array;
      if (dt->outref.k >= 0)
      dt->outref.u.l = next_typen () ;
      dt->outref.k = LAB_D;
      IGNORE fprintf ( dg_file, "%ld=%c%d", dt->outref.u.l, su, shape_size ( s ) / 8 ) ;
      for (i = 0; i < dt->data.t_struct.u.fields.len; i++) {
      long offset = no ( son(el[i].d.cm_f.f_offset) );
      if(depth_now >= max_depth){
        depth_now = 0;
        IGNORE fprintf (dg_file, "\\\\\",0x80,0,%d,%d\n",0,0 ) ;
        IGNORE fprintf(dg_file,"\t.stabs\t\"");
      }
      depth_now++ ;
      IGNORE fprintf ( dg_file, "%s:", el[i].d.cm_f.fnam ) ;
      out_dt_shape ( el[i].d.cm_f.f_typ ) ;
      IGNORE fprintf ( dg_file, ",%ld,%ld;", offset, type_size ( el[i].d.cm_f.f_typ ) ) ;
      }
      IGNORE fprintf ( dg_file, ";" ) ;
      last_type_sz = shape_size ( s ) ;
      set_stab_size ( dt->outref.u.l ) ;
      break ;
    }

    case DGT_BITF : {
      bitfield_variety bv;
      bv = dt->data.t_bitf.bv;
      IGNORE fprintf ( dg_file, "%d", (bv.has_sign ? STAB_SINT : STAB_UINT) ) ;
      last_type_sz = bv.bits ;
      break ;
    }

    case DGT_PROC: {
      dg_type result_type = dt->data.t_proc.res_type ;
      long non1 = next_typen () ;
      long non2 = next_typen () ;
      dt->outref.u.l = non1;
      dt->outref.k = LAB_D;
      IGNORE fprintf ( dg_file, "%ld=*%ld=f", non1, non2 ) ;
      out_dt_shape ( result_type ) ;
      last_type_sz = 32 ;
      set_stab_size ( non1 ) ;
      set_stab_size ( non2 ) ;
      break ;
    }

    default : {
      IGNORE fprintf ( dg_file, "%d", STAB_VOID ) ;
      dt->outref.u.l = STAB_VOID;
      dt->outref.k = LAB_D;
      last_type_sz = 0 ;
      break ;
    }
  }
#if 0
  if (dt->mor && dt->mor->this_tag)
    dt->mor->this_tag->outref = dt->outref;
#endif
  return ;
}

#else

static void out_dt_shape
    PROTO_N ( (dt) )
    PROTO_T ( diag_type dt )
{
    if ( dt->been_outed ) {
      IGNORE fprintf ( dg_file, "%d",(int) dt->been_outed ) ;
      last_type_sz = get_stab_size ( dt->been_outed ) ;
      return ;
    }

    /* SunOS as(1) rejects stab lines >2k so reduce size arbitrarily */
    if ( depth_now >= max_depth ) {
      IGNORE fprintf ( dg_file, "%d", STAB_SLONG ) ;
      return ;
    }
    depth_now++ ;

    switch ( dt->key ) {

      case DIAG_TYPE_PTR : {
          long non ;
          diag_type pdt = dt->data.ptr.object ;
          if ( pdt->key == DIAG_TYPE_VARIETY ) {
            long pn = out_sh_type ( f_integer ( pdt->data.var ) ) ;
            non = stab_ptrs [ pn ] ;
            if ( non == 0 ) {
                non = next_typen () ;
                stab_ptrs [ pn ] = non ;
                IGNORE fprintf ( dg_file, "%ld=*%ld", non, pn ) ;
            } else {
                IGNORE fprintf ( dg_file, "%ld", non ) ;
            }
          } else {
            non = next_typen () ;
            IGNORE fprintf ( dg_file, "%ld=*", non ) ;
            out_dt_shape ( dt->data.ptr.object ) ;
          }
          dt->been_outed = non ;
          last_type_sz = 32 ;
          set_stab_size ( non ) ;
          break ;
      }

      case DIAG_TYPE_ARRAY : {
#if 0
          long str = no ( dt->data.array.stride ) ;
#endif
          long lwb = no ( dt->data.array.lower_b ) ;
          long upb = no ( dt->data.array.upper_b ) ;
          diag_type index_type = dt->data.array.index_type ;
          diag_type element_type = dt->data.array.element_type ;
          long non = next_typen () ;
          dt->been_outed = non ;
          IGNORE fprintf ( dg_file, "%ld=ar", non ) ;
          out_dt_shape ( index_type ) ;
          IGNORE fprintf ( dg_file, ";%ld;%ld;", lwb, upb ) ;
          out_dt_shape ( element_type ) ;
          last_type_sz *= ( upb - lwb + 1 ) ;
          set_stab_size ( non ) ;
          break ;
      }

      case DIAG_TYPE_STRUCT :
      case DIAG_TYPE_UNION : {
          int i ;
          char su ;
          shape s ;
          diag_field_list fields ;
          long non = next_typen () ;
          dt->been_outed = non ;

          if ( dt->key == DIAG_TYPE_STRUCT ) {
            fields = dt->data.t_struct.fields ;
            s = dt->data.t_struct.tdf_shape ;
            su = 's';
          } else {
            fields = dt->data.t_union.fields ;
            s = dt->data.t_union.tdf_shape;
            su = 'u' ;
          }
          IGNORE fprintf ( dg_file, "%ld=%c%d", non, su, shape_size ( s ) / 8 ) ;

          for ( i = fields->lastused - 1 ; i >= 0 ; i-- ) {
            diag_field sf =  ( fields->array ) [i] ;
            long offset = no ( sf->where );

            if ( depth_now >= max_depth ) return ;
            depth_now++ ;
            IGNORE fprintf ( dg_file, "%s:", sf->field_name.ints.chars ) ;
            out_dt_shape ( sf->field_type ) ;
            IGNORE fprintf ( dg_file, ",%ld,%ld;", offset, last_type_sz ) ;
          }
          IGNORE fprintf ( dg_file, ";" ) ;
          last_type_sz = shape_size ( s ) ;
          set_stab_size ( non ) ;
          break ;
      }

      case DIAG_TYPE_VARIETY : {
          dt->been_outed = out_sh_type ( f_integer ( dt->data.var ) ) ;
          IGNORE fprintf ( dg_file, "%ld", dt->been_outed ) ;
          break ;
      }

      case DIAG_TYPE_PROC: {
          diag_type result_type = dt->data.proc.result_type ;
          long non1 = next_typen () ;
          long non2 = next_typen () ;
          dt->been_outed = non1 ;
          IGNORE fprintf ( dg_file, "%ld=*%ld=f", non1, non2 ) ;
          out_dt_shape ( result_type ) ;
          last_type_sz = 32 ;
          set_stab_size ( non1 ) ;
          set_stab_size ( non2 ) ;
          break ;
      }

      case DIAG_TYPE_LOC: {
          /* +++ use qualifier which gives "const"/"volatile" */
          out_dt_shape ( dt->data.loc.object ) ;
          break ;
      }

      case DIAG_TYPE_FLOAT : {
          dt->been_outed = out_sh_type ( f_floating ( dt->data.f_var ) ) ;
          IGNORE fprintf ( dg_file, "%ld", dt->been_outed ) ;
          break ;
      }

      case DIAG_TYPE_NULL : {
          IGNORE fprintf ( dg_file, "%d", STAB_VOID ) ;
          last_type_sz = 0 ;
          break ;
      }

      case DIAG_TYPE_BITFIELD : {
          long sz = dt->data.bitfield.no_of_bits.nat_val.small_nat ;
          IGNORE fprintf ( dg_file, "%d", STAB_SINT ) ;
          last_type_sz = sz ;
          break ;
      }

      case DIAG_TYPE_ENUM : {
          int i ;
          enum_values_list enumvals = dt->data.t_enum.values;
          long non = next_typen () ;
          dt->been_outed = non ;
          IGNORE fprintf ( dg_file, "%ld=e", non ) ;
          for ( i = enumvals->lastused - 1 ; i >= 0 ; i-- ) {
            enum_values ef =  ( enumvals->array ) [i] ;
            IGNORE fprintf ( dg_file, "%s:%d,", ef->nme.ints.chars, no ( ef->val ) );
          }
          IGNORE fprintf ( dg_file, ";" ) ;
          last_type_sz = 32 ;
          set_stab_size ( non ) ;
          break ;
      }

      default : {
          IGNORE fprintf ( dg_file, "%d", STAB_VOID ) ;
          last_type_sz = 0 ;
          break ;
      }
    }
    return ;
}

#endif


/*
    OUTPUT DIAGNOSTICS FOR A GLOBAL VARIABLE
*/

#ifdef NEWDIAGS

void out_diag_global
    PROTO_N ( (di, global, cname, pname) )
    PROTO_T ( dg_name di X int global X int cname X char * pname )
{
  char* nm;
  dg_type dt;
  if (!di || di->key != DGN_OBJECT)
    return;
  nm = idname_chars (di->idnam);
  dt = di->data.n_obj.typ;

  if (di->whence.line)
    stabd ( di->whence.file, di->whence.line, -N_DSLINE ) ;
  IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:%c", nm, (global ? 'G' : 'S'));
  OUT_DT_SHAPE ( dt ) ;
  if (global)
    IGNORE fprintf ( dg_file, "\",0x20,0,%ld,0\n", di->whence.line);
  else {
    IGNORE fprintf ( dg_file, "\",0x28,0,%ld,", di->whence.line);
    if (cname == -1) {
      outs (pname);
    }
    else {
      outs(local_prefix);
      outn ((long)cname);
    };
    d_outnl ();
  };
  return ;
}

#else

void diag_val_begin
    PROTO_N ( (d, global, cname, pname) )
    PROTO_T ( diag_global * d X int global X int cname X char * pname )
{
  stabd ( find_file ( d->data.id.whence.file->file.ints.chars ),
       ( long ) d->data.id.whence.line_no.nat_val.small_nat
       , -N_DSLINE ) ;

  IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:%c",
      d->data.id.nme.ints.chars, (global ? 'G' : 'S'));
  OUT_DT_SHAPE ( d->data.id.new_type ) ;
  if (global)
    IGNORE fprintf ( dg_file, "\",0x20,0,%d,0\n",
      d->data.id.whence.line_no.nat_val.small_nat);
  else {
    IGNORE fprintf ( dg_file, "\",0x28,0,%d,",
      d->data.id.whence.line_no.nat_val.small_nat);
    if (cname == -1) {
      outs (pname);
    }
    else {
      outs(local_prefix);
      outn ((long)cname);
    };
    d_outnl ();
  };
  return ;
}

void diag_val_end
    PROTO_N ( (d) )
    PROTO_T ( diag_global * d )
{
  UNUSED(d);
  return;
}

#endif


/*
    OUTPUT DIAGNOSTICS FOR A PROCEDURE
*/

#ifdef NEWDIAGS

void diag_proc_begin
    PROTO_N ( (di, global, cname, pname) )
    PROTO_T ( dg_name di X int global X int cname X char * pname )
{
  char* nm;
  dg_type dt;
  last_proc_pname = pname;
  last_proc_cname = cname;
  if (!di || di->key != DGN_PROC)
    return;
  nm = idname_chars (di->idnam);
  dt = di->data.n_proc.typ;
  if (dt->key == DGT_PROC)    /* it should be */
    dt = dt->data.t_proc.res_type;

  if (di->whence.line)
    stabd ( di->whence.file, di->whence.line, 0 ) ;
  outs ("\t.stabs\t\"");
  outs (nm);
  if (global)
    outs (":F");
  else
    outs (":f");
  OUT_DT_SHAPE ( dt ) ;
  outs ("\",0x24,0,0,");
  out_procname ();
  d_outnl ();
  return ;
}

#else

void diag_proc_begin
    PROTO_N ( (d, global, cname, pname) )
    PROTO_T ( diag_global * d X int global X int cname X char * pname )
{
  last_proc_pname = pname;
  last_proc_cname = cname;
  if (!d)
    return;

  stabd ( find_file ( d->data.id.whence.file->file.ints.chars ),
       ( long ) d->data.id.whence.line_no.nat_val.small_nat
       ,0) ;

  outs ("\t.stabs\t\"");
  outs (d->data.id.nme.ints.chars);
  if (global)
    outs (":F");
  else
    outs (":f");
  OUT_DT_SHAPE ( d->data.id.new_type->data.proc.result_type ) ;
  outs ("\",0x24,0,0,");
  out_procname ();
  d_outnl ();
  return ;
}

#endif

void diag_proc_end
    PROTO_Z ()
{
  if (del_stab_start != NULL) {
    struct del_stab_array *this_a = del_stab_start;
    int this_i = 0;
    while (this_a != c_del_array || this_i != c_del_index) {
      struct delay_stab * t;
      if (this_i == DEL_SIZE) {
          this_a = this_a -> more;
          this_i = 0;
      }
      t = (this_a -> a) + (this_i ++);
      switch (t -> del_t) {
          case D_PARAM:
            IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:p", t->u.l.nm);
            OUT_DT_SHAPE ( t->u.l.dt ) ;
            IGNORE fprintf ( dg_file, "\",0xa0,0,0,%d\n", t->u.l.offset + 8);
            break;
          case D_LOCAL:
            IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", t->u.l.nm);
            OUT_DT_SHAPE ( t->u.l.dt ) ;
            IGNORE fprintf ( dg_file, "\",0x80,0,0,%d\n", t->u.l.offset - locals_offset);
            break;
          case D_REG:
            IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:r", t->u.l.nm);
            OUT_DT_SHAPE ( t->u.l.dt ) ;
            IGNORE fprintf ( dg_file, "\",0x40,0,0,%d\n", t->u.l.offset);
            break;
          default:
            IGNORE fprintf ( dg_file, "\t.stabn\t0x%x,0,%d,.LL.%d-",
                  t->u.b.br, t->u.b.lev, t->u.b.lab);
            out_procname ();
            d_outnl ();
      }
    }
    c_del_array = del_stab_start;
    c_del_index = 0;
  }
  return;
}



/*
    OUTPUT DIAGNOSTICS FOR A LOCAL VARIABLE
*/

#ifdef NEWDIAGS

static void stab_local
    PROTO_N ( (di, param) )
    PROTO_T ( dg_name di X int param )
{
    exp id = di->data.n_obj.obtain_val;
    struct delay_stab * t;
    char* nm;
    dg_type dt;
    long disp;
    if (di->key != DGN_OBJECT || !id)
      return;
    id = son(id);
    if (name(id) == cont_tag && name(son(id)) == name_tag && isvar(son(son(id))))
        id = son(id);
    if (name(id) != name_tag || isdiscarded(id) || (isglob(son(id)) &&
      no(son(id)) == 0 && !(brog(son(id))->dec_u.dec_val.extnamed)))
      return;
    disp = no(id);
    id = son(id);
    nm = idname_chars (di->idnam);
    dt = di->data.n_obj.typ;
    t = next_del_stab();
    t->u.l.nm = nm ;
    t->u.l.dt = dt ;
    if (ptno(id) == reg_pl) {
      t->del_t = D_REG;
      t->u.l.offset = reg_stabno [get_reg_no (no(id))];
    }
    else {
      t->del_t = (param ? D_PARAM : D_LOCAL);
      t->u.l.offset = (disp + no(id)) / 8;
    };
    return ;
}


#else

static void stab_local
    PROTO_N ( (d, proc_no, acc) )
    PROTO_T ( diag_info * d X int proc_no X exp acc )
{
    struct delay_stab * t = next_del_stab();
    t->del_t = (isparam(son(acc)) ? D_PARAM : D_LOCAL);
    t->u.l.nm = d -> data.id_scope.nme.ints.chars ;
    t->u.l.dt = d -> data.id_scope.typ ;
    t->u.l.offset = (no(acc) + no(son(acc))) / 8;
    return ;
}

#endif



/*
    DEAL WITH BASIC TYPES
*/

static void stab_types
    PROTO_Z ()
{
    total_type_sizes = NO_STABS ;
    typeno = NO_STABS ;
    type_sizes = ( long * ) xmalloc ( NO_STABS * sizeof ( long ) ) ;
    IGNORE fputs ( "\t.stabs\t\"int:t1=r1;-2147483648;2147483647;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"short int:t2=r1;-32768;32767;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"short unsigned int:t3=r1;0;65535;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"char:t4=r4;0;127;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"signed char:t5=r1;-128;127;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"unsigned char:t6=r1;0;255;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"long int:t7=r1;-2147483648;2147483647;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"unsigned int:t8=r1;0;-1;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"long unsigned int:t9=r1;0;-1;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"float:t10=r1;4;0;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"double:t11=r1;8;0;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fprintf ( dg_file, "\t.stabs\t\"long double:t12=r1;%d;0;\",0x80,0,0,0\n",
            DOUBLE_SZ / 8 ) ;
    IGNORE fputs ( "\t.stabs\t\"void:t13=13\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"long long int:t14=r1;", dg_file ) ;
    IGNORE fputs ( "01000000000000000000000;0777777777777777777777;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"unsigned long long int:t15=r1;", dg_file ) ;
    IGNORE fputs ( "0000000000000;01777777777777777777777;\",0x80,0,0,0\n",
          dg_file ) ;
    IGNORE fputs ( "\t.stabs\t\"__void_star:t16=*13\",0x80,0,0,0\n",
          dg_file ) ;
    type_sizes [0] = 0 ;
    type_sizes [1] = 32 ;
    type_sizes [2] = 16 ;
    type_sizes [3] = 16 ;
    type_sizes [4] = 8 ;
    type_sizes [5] = 8 ;
    type_sizes [6] = 8 ;
    type_sizes [7] = 32 ;
    type_sizes [8] = 32 ;
    type_sizes [9] = 32 ;
    type_sizes [10] = 32 ;
    type_sizes [11] = 64 ;
    type_sizes [12] = DOUBLE_SZ ;
    type_sizes [13] = 0 ;
    type_sizes [14] = 64 ;
    type_sizes [15] = 64 ;
    type_sizes [16] = 32 ;
    return ;
}


#ifndef NEWDIAGS

/*
    DEAL WITH STRUCTURE, UNION AND ENUM TAGS
*/

void stab_tagdefs
    PROTO_Z ()
{
    diag_tagdef **di = unit_ind_diagtags ;
    int i, n = unit_no_of_diagtags, istag ;

    for ( i = 0 ; i < n ; i++ ) {
      diag_type d = di [i]->d_type ;
      istag = 1;

      switch ( d->key ) {

          case DIAG_TYPE_STRUCT : {
            char *nme = d->data.t_struct.nme.ints.chars ;
            if ( nme && *nme ) {
                IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int s_count = 0 ;
                IGNORE fprintf ( dg_file, "\t.stabs\t\"_struct%d:", s_count++ ) ;
            }
            break ;
          }
          case DIAG_TYPE_UNION : {
            char *nme = d->data.t_union.nme.ints.chars ;
            if ( nme && *nme ) {
                IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int u_count = 0 ;
                IGNORE fprintf ( dg_file, "\t.stabs\t\"_union%d:", u_count++ ) ;
            }
            break ;
          }
          case DIAG_TYPE_ENUM : {
            char *nme = d->data.t_enum.nme.ints.chars ;
            if ( nme && *nme ) {
                IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int e_count = 0 ;
                IGNORE fprintf ( dg_file, "\t.stabs\t\"_enum%d:", e_count++ ) ;
            }
            break ;
          }
          default: {
            istag = 0 ;
            break ;
          }
      }
      if (istag) {
          if ( d->been_outed && 0) {
            IGNORE fprintf ( dg_file, "%d", (int)d->been_outed ) ;
          } else {
            IGNORE fprintf ( dg_file, "T" ) ;
            OUT_DT_SHAPE ( d ) ;
          }
          IGNORE fprintf ( dg_file, "\",0x80,0,0,0\n" ) ;
      }
    }
    return ;
}

#endif


/*
    DEAL WITH TYPEDEFS
*/

#ifndef NEWDIAGS

void stab_typedefs
    PROTO_Z ()
{
    diag_descriptor *di = unit_diagvar_tab.array ;
    int i, n = unit_diagvar_tab.lastused ;
    for ( i = 0 ; i < n ; i++ ) {
      if ( di [i].key == DIAG_TYPEDEF_KEY ) {
          long non = next_typen () ;
          IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:t%ld=",
                  di [i].data.typ.nme.ints.chars, non ) ;
          OUT_DT_SHAPE ( di [i].data.typ.new_type ) ;
          IGNORE fprintf ( dg_file, "\",0x80,0,0,0\n" ) ;
      }
    }
    return ;
}

#endif



/*
  INITIALISE DIAGNOSTICS
*/

#ifdef NEWDIAGS

void out_diagnose_prelude
    PROTO_Z ()
{
  return;
}

#if 0
static void prep_type
    PROTO_N ( (dt) )
    PROTO_T ( dg_type dt )
{
  if (dt->key == DGT_BASIC) {
    dt->outref.u.l = out_sh_type (dt->data.t_bas.b_sh, dt->data.t_bas.tnam);
    dt->outref.k = LAB_D;
  }
  else {
    last_type_sz = type_size (dt);
    dt->outref.k = -1;
    dt->outref.u.l = next_typen () ;
    set_stab_size ( dt->outref.u.l ) ;
  }
#if 0
  if (dt->mor && dt->mor->this_tag)
    dt->mor->this_tag->outref = dt->outref;
#endif
}
#endif

void init_stab_aux
    PROTO_Z ()
{
  dg_compilation this_comp;
  dg_file = fpout ;
  this_comp = all_comp_units;
  while (this_comp) {
    dg_name item = this_comp->dn_list;
    while (item) {
      if (item->key == DGN_PROC && item->data.n_proc.obtain_val)
      prim_file = this_comp->prim_file;
      item = item -> next;
    }
    this_comp = this_comp->another;
  }
  if (prim_file) {
    IGNORE fprintf (dg_file, "\t.file\t\"") ;
    if (prim_file->file_name[0] != '/' && prim_file->file_path[0])
      IGNORE fprintf ( dg_file, "%s/", prim_file->file_path );
    IGNORE fprintf ( dg_file, "%s\"\n",prim_file ->file_name );
    stab_file (prim_file);
  }
  else
    IGNORE fprintf (dg_file, "\t.file\t\"no_source_file\"\n") ;
  stab_types () ;
#if 0
  this_comp = all_comp_units;
  while (this_comp) {
    dg_name item = this_comp->dn_list;
    while (item) {
      if (item->key == DGN_TYPE) {
      dg_type dt = item->data.n_typ.raw;
      char * s = idname_chars (item->idnam);
      if (s[0]) {
        if (!dt->outref.k)
          prep_type (dt);
      }
      else
      if ((dt->key == DGT_STRUCT && dt->data.t_struct.idnam.id_key == DG_ID_SRC
            && (s = dt->data.t_struct.idnam.idd.nam, s[0]))
           || (dt->key == DGT_ENUM && (s = dt->data.t_enum.tnam, s[0]))) {
        if (!dt->outref.k)
          prep_type (dt);
      }
      }
      item = item -> next;
    }
    this_comp = this_comp->another;
  }
#endif
  this_comp = all_comp_units;
  while (this_comp) {
    dg_name item = this_comp->dn_list;
    while (item) {
      if (item->key == DGN_TYPE && item->data.n_typ.raw->key != DGT_UNKNOWN) {
      dg_type dt = item->data.n_typ.raw;
      char * s = idname_chars (item->idnam);
      if (s[0]) {
        IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", s ) ;
        if (dt->outref.k == LAB_STR) {
          dt->outref.k = LAB_D;
          dt->outref.u.l = find_basic_type (dt->outref.u.s);
        }
        if ( dt->outref.k == LAB_D ) {
            IGNORE fprintf ( dg_file, "%d", (int)dt->outref.u.l ) ;
        }
        else {
            IGNORE fprintf ( dg_file, "t" ) ;
            OUT_DT_SHAPE ( dt ) ;
        }
        IGNORE fprintf ( dg_file, "\",0x80,0,0,0\n" ) ;
      }
      else
      if ((dt->key == DGT_STRUCT &&
            (dt->data.t_struct.idnam.id_key == DG_ID_SRC ||
               dt->data.t_struct.idnam.id_key == DG_ID_EXT)
            && (s = dt->data.t_struct.idnam.idd.nam, s[0]))
           || (dt->key == DGT_ENUM && (s = dt->data.t_enum.tnam, s[0]))) {
        IGNORE fprintf ( dg_file, "\t.stabs\t\"%s:", s ) ;
        if ( dt->outref.k == LAB_D ) {
            IGNORE fprintf ( dg_file, "%d", (int)dt->outref.u.l ) ;
          } else {
            IGNORE fprintf ( dg_file, "T" ) ;
            OUT_DT_SHAPE ( dt ) ;
          }
          IGNORE fprintf ( dg_file, "\",0x80,0,0,0\n" ) ;
      }
#if 0
      if (item->mor && item->mor->this_tag)
        item->mor->this_tag->outref = item->data.n_typ.raw->outref;
#endif
      }
      item = item -> next;
    }
    this_comp = this_comp->another;
  }
  return;
}

#else

void out_diagnose_prelude
    PROTO_Z ()
{
    dg_file_name = tmpnam ( NULL ) ;
    dg_file = fopen ( dg_file_name, "w" ) ;
    if ( dg_file == NULL ) {
      failer ( "Can't open temporary diagnostics file" ) ;
      exit (EXIT_FAILURE) ;
    }
    stab_types () ;
    return ;
}

void init_stab_aux
    PROTO_Z ()
{
    int c ;
    FILE *f ;
    int i, j = -1 ;
    for ( i = 0 ; i < nofds ; i++ ) {
      char *s = fds [i]->file.ints.chars ;
      int n = ( int ) strlen ( s ) ;
      if ( n && s [ n - 1 ] != 'h' ) j = i ;
    }
    IGNORE fclose ( dg_file ) ;
    dg_file = fpout ;
    if (j >= 0)
      IGNORE fprintf (dg_file, "\t.file\t\"%s\"\n", fds[j]->file.ints.chars) ;
    else
      IGNORE fprintf (dg_file, "\t.file\t\"no_source_file\"\n") ;
    stab_file ( ( long ) j, 0 ) ;
    f = fopen ( dg_file_name, "r" ) ;
    if ( f == NULL ) {
      failer ( "Can't open temporary diagnostics file" ) ;
      exit (EXIT_FAILURE) ;
    }
    while ( c = fgetc ( f ), c != EOF ) outc ( c ) ;
    IGNORE fclose ( f ) ;
    remove ( dg_file_name ) ;
    return ;
}

#endif


void out_diagnose_postlude
    PROTO_Z ()
{
    long i = next_d_lab () ;
    IGNORE fprintf ( dg_file, ".LL.%ld:\n", i ) ;
    IGNORE fprintf ( dg_file, "\t.stabs\t\"\",0x64,0,0,.LL.%ld\n", i ) ;
    return ;
}

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