Logo Search packages:      
Sourcecode: tendra version File versions  Download package

sparcdiags.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.
*/




/*
                      VERSION INFORMATION
                      ===================

--------------------------------------------------------------------------
$Header: /u/g/release/CVSROOT/Source/src/installers/sparc/solaris/sparcdiags.c,v 1.3 1998/03/11 11:04:07 pwe Exp $
--------------------------------------------------------------------------
$Log: sparcdiags.c,v $
 * Revision 1.3  1998/03/11  11:04:07  pwe
 * DWARF optimisation info
 *
 * Revision 1.2  1998/02/04  15:50:11  pwe
 * STABS for void*
 *
 * Revision 1.1.1.1  1998/01/17  15:55:53  release
 * First version to be checked into rolling release.
 *
 * Revision 1.5  1998/01/09  15:00:12  pwe
 * prep restructure
 *
 * Revision 1.4  1997/08/23  13:55:22  pwe
 * initial ANDF-DE
 *
 * Revision 1.3  1997/04/04  15:23:42  pwe
 * tidy re old DWARF interface
 *
 * Revision 1.2  1997/04/01  17:17:42  pwe
 * diagnose pl_tests
 *
 * Revision 1.1  1997/03/24  17:10:03  pwe
 * reorganise solaris/sunos split
 *
 * Revision 1.11  1997/02/18  11:48:22  pwe
 * NEWDIAGS for debugging optimised code
 *
 * Revision 1.10  1996/09/10  14:36:55  pwe
 * fix diags - nested scope, param struct and leaf return
 *
 * Revision 1.9  1996/09/09  08:39:55  pwe
 * correct stabs enums
 *
 * Revision 1.8  1995/12/15  10:27:23  john
 * Fixed error in previous fix
 *
 * Revision 1.7  1995/11/23  15:21:31  john
 * Fix for diagnostics (nested structures)
 *
 * Revision 1.6  1995/07/03  09:30:13  john
 * Fixed error
 *
 * Revision 1.5  1995/06/29  08:20:22  john
 * Reformatting
 *
 * Revision 1.4  1995/06/27  08:47:38  john
 * Some reformatting
 *
 * Revision 1.3  1995/04/20  08:06:36  john
 * Minor change
 *
 * Revision 1.2  1995/03/27  12:50:40  john
 * Fix for c-style varargs handling
 *
 * Revision 1.1.1.1  1995/03/13  10:18:56  john
 * Entered into CVS
 *
 * Revision 1.7  1995/01/11  16:40:35  john
 * Fixed bug in diagnostics (for change request CR95_40)
 *
 * Revision 1.6  1995/01/11  09:59:32  john
 * Fixed bug in diagnostics (for change request CR94_224)
 *
 * Revision 1.5  1994/07/07  16:11:33  djch
 * Jul94 tape
 *
 * Revision 1.4  1994/07/04  08:29:06  djch
 * added extra parameter to stabd (section number). -ve values used to control
 * not putting out stabd (sometimes) in solaris; line #s go in the stabs.
 * added assert(0) to catch uninitialized items.
 *
 * Revision 1.3  1994/06/22  09:48:33  djch
 * Changes for solaris - line #s in functions are relative to start of fns,
 * global decls have line # in the stabs, and no stabn, and local labels are .LL,
 * not LL
 *
 * Revision 1.2  1994/05/13  13:08:39  djch
 * Incorporates improvements from expt version
 * changed format strings to remove longs..
 *
 * Revision 1.1  1994/05/03  14:49:53  djch
 * Initial revision
 *
 * Revision 1.6  93/09/27  14:55:15  14:55:15  ra (Robert Andrews)
 * Only whitespace.
 * 
 * Revision 1.5  93/08/27  11:37:55  11:37:55  ra (Robert Andrews)
 * A couple of lint-like changes.
 * 
 * Revision 1.4  93/08/13  14:45:51  14:45:51  ra (Robert Andrews)
 * Allow the stabs for long double to vary depending on DOUBLE_SZ.
 * 
 * Revision 1.3  93/07/05  18:26:29  18:26:29  ra (Robert Andrews)
 * A couple of minor corrections.  Introduced stab_ptrs to avoid duplication
 * of basic pointer types.
 * 
 * Revision 1.2  93/06/29  14:32:54  14:32:54  ra (Robert Andrews)
 * Fairly major rewrite and reformat.  There were a number of errors which
 * meant that the diagnostics were not previously working.
 * 
 * Revision 1.1  93/06/24  14:59:22  14:59:22  ra (Robert Andrews)
 * Initial revision
 * 
--------------------------------------------------------------------------
*/


#define SPARCTRANS_CODE
#include "config.h"
#include "addrtypes.h"
#include "exptypes.h"
#include "shapemacs.h"
#include "expmacs.h"
#include "codetypes.h"
#include "installtypes.h"
#include "toktypes.h"
#include "exp.h"
#include "exptypes.h"
#include "proctypes.h"
#include "procrec.h"
#include "tags.h"
#include "bitsmacs.h"
#include "xalloc.h"
#include "locate.h"
#include "comment.h"
#include "myassert.h"
#include "translat.h"
#include "machine.h"
#include "szs_als.h"
#include "read_fns.h"
#include "installglob.h"
#include "externs.h"
#include "out.h"
#include "sparcdiags.h"
#include "basicread.h"

#ifdef NEWDIAGS

#include "dg_types.h"
#include "dg_aux.h"
#include "dg_globs.h"
/* #include "proc.h" */
/* #include "regmacs.h" */

#else

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

#endif

extern bool last_param PROTO_S ( ( exp ) ) ;


#if 0

void init_stab
    PROTO_Z ()
{
  return;
}

void init_stab_aux
    PROTO_Z ()
{
  return;
}

#endif


/*
  FORWARD DECLARATIONS
*/

#ifdef NEWDIAGS

static void stab_file PROTO_S ( ( dg_filename ) ) ;
static void stab_scope_open PROTO_S ( ( dg_filename ) ) ;
static void stab_scope_close PROTO_S ( ( void ) ) ;
static void out_dt_shape PROTO_S ( ( dg_type ) ) ;
static void stab_local PROTO_S ( ( dg_name, int ) ) ;

#else

static void stab_scope_open PROTO_S ( ( long ) ) ;
static void stab_scope_close PROTO_S ( ( void ) ) ;

#endif



/*
  DIAGNOSTICS FILE
*/

static FILE *dg_file ;

#ifndef NEWDIAGS
static char *dg_file_name ;
#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;
}



/*
  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


/*
  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 ( 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 ( 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


                       /* solaris stores line no's relative 
                      to the start of the procedure, so 
                      remember the name */
static char * last_proc_lab = "<<No Proc>>";

/*
  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 () ;
      fprintf ( dg_file, "\t.stabn\t0x%x,0,%ld,.LL.%ld-%s\n",seg,
              lno, i, last_proc_lab ) ;
      fprintf ( dg_file, ".LL.%ld:\n", i ) ;
      }
  }
  currentlno = lno ;
  return ;
}

#else

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 () ;
      fprintf ( dg_file, "\t.stabn\t0x%x,0,%ld,.LL.%ld-%s\n",seg,
              lno, i, last_proc_lab ) ;
      fprintf ( dg_file, ".LL.%ld:\n", i ) ;
      }
  }
  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 stab_begin 
    PROTO_N ( ( d, proc_no, e ) )
    PROTO_T ( diag_info * d X int proc_no X exp e )
{
  exp x ;

  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 ) {
    /* not implemented */
    return ;
  }
  
  x = d->data.id_scope.access ;
  /* MIPS */
  if ( isglob ( son ( x ) ) || no ( son ( x ) ) == 1 ) return;
  
  mark_scope ( e ) ;
  if ( props ( e ) & 0x80 ) {
    stab_scope_open ( currentfile ) ;
    stabd ( currentfile, ( long ) ( currentlno + 1 ), N_SLINE ) ;
  }
  
  stab_local ( d->data.id_scope.nme.ints.chars, d->data.id_scope.typ,
             x, 0, currentfile ) ;

  if ( last_param ( son ( x ) ) ) {
    stabd ( currentfile, ( long ) ( currentlno + 1 ),N_SLINE) ;
  }
  return ;
}


/*
  OUTPUT FINAL DIAGNOSTICS FOR A DIAGNOSE_TAG
*/

void stab_end 
    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,(long)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);

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

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

  fprintf ( dg_file, ".LL.%ld:\n", i ) ;
  currentfile = f ;
  return ;
}

#else

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 () ;
    fprintf ( dg_file, "\t.stabs\t\"%s\",0x64,0,0,.LL.%ld\n",
            fds [ findex ]->file.ints.chars, i ) ;
    fprintf ( dg_file, ".LL.%ld:\n", i ) ;
  } 
  else {
    /* included file */
    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};

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 = 1 ;


/*
  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 () ;
  fprintf ( dg_file, ".LL.%ld:\n", i ) ;
  open_label = i ;
  bracket_level++ ;
  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 () ;
  fprintf ( dg_file, ".LL.%ld:\n", i ) ;
  open_label = i ;
  bracket_level++ ;
  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;
  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;
  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 tag = dt->data.t_tag;
      if (tag->key == DGK_NONE) {
      return 0;
      }
      if (tag->key == DGK_TYPE) {
      dg_type ref_t = tag->p.typ;
      if (ref_t == dt)
        return type_sizes [ find_basic_type (ref_t->outref.u.s) ];
      return type_size (ref_t);
      }
      if (tag->key == DGK_NAME) {
      dg_name ref_n = tag->p.nam;
      if (ref_n->key == DGN_TYPE /* && ref_n->idnam.id_key == DG_ID_NONE */) {
        dg_type ref_t = tag->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) {
    fprintf ( dg_file, "%d", STAB_VOID ) ;
    last_type_sz = 0 ;
    return ;
  }    

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

    case DGT_TAGGED: {
      dg_tag tag = dt->data.t_tag;
      if (tag->done) {
      dt->outref = tag->outref;
      out_dt_shape (dt);
      break;
      }
      if (tag->key == DGK_NONE) {
      failer ("external type");
      tag->done = 1;
      tag->outref.k = LAB_D;
      tag->outref.u.l = 0;
      out_dt_shape (dt);
      break;
      }
      if (tag->key == DGK_TYPE) {
      dg_type ref_t = tag->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 = tag->outref = ref_t->outref;
      tag->done = 1;
      break;
      }
      if (tag->key == DGK_NAME) {
      dg_name ref_n = tag->p.nam;
      if (ref_n->key == DGN_TYPE /* && ref_n->idnam.id_key == DG_ID_NONE */) {
        dg_type ref_t = tag->p.nam->data.n_typ.raw;
        out_dt_shape (ref_t);
        dt->outref = tag->outref = ref_t->outref;
        tag->done = 1;
        break;
      }
      }
      failer ("unfinished convolution");
      tag->done = 1;
      tag->outref.k = LAB_D;
      tag->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 ;
          fprintf ( dg_file, "%ld=*%ld", non, pn ) ;
        } 
        else {
          fprintf ( dg_file, "%ld", non ) ;
        }
        } 
        else {
        non = (dt->outref.k < 0 ? dt->outref.u.l : next_typen ()) ;
        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;
        fprintf ( dg_file, "%ld=", non ) ;
        fprintf ( dg_file, "ar" ) ;
        out_dt_shape ( index_type ) ;
        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;
        fprintf ( dg_file, "%ld=", non ) ;
        fprintf ( dg_file, "ar" ) ;
        out_dt_shape ( index_type ) ;
        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;
      fprintf ( dg_file, "%ld=e", dt->outref.u.l ) ;
      for (i = 0; i < dt->data.t_enum.values.len; i++) {
        fprintf ( dg_file, "%s:%d,", el[i].enam, no (son(el[i].value)) );
      }
      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;
      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;
        fprintf (dg_file, "\\\\\",0x80,0,%d,%d\n",0,0 ) ;
        fprintf(dg_file,"\t.stabs\t\"");
      }
      depth_now++ ;
      fprintf ( dg_file, "%s:", el[i].d.cm_f.fnam ) ;
      out_dt_shape ( el[i].d.cm_f.f_typ ) ;
      fprintf ( dg_file, ",%ld,%ld;", offset, type_size ( el[i].d.cm_f.f_typ ) ) ;
      }
      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;
      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;
      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 : {
      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 ) {
    fprintf ( dg_file, "%d",(int) dt->been_outed ) ;
    last_type_sz = get_stab_size ( dt->been_outed ) ;
    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 ;
        fprintf ( dg_file, "%ld=*%ld", non, pn ) ;
      } 
      else {
        fprintf ( dg_file, "%ld", non ) ;
      }
      } 
      else {
      non = next_typen () ;
      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 : {
      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 ;
      fprintf ( dg_file, "%ld=", non ) ;
      fprintf ( dg_file, "ar" ) ;
      out_dt_shape ( index_type ) ;
      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' ;
      }
      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 ;*/
      if(depth_now >= max_depth){
        depth_now = 0;
        fprintf (dg_file, "\\\\\",0x80,0,%d,%d\n",0,0 ) ;
        fprintf(dg_file,"\t.stabs\t\"");
      }
      depth_now++ ;
      fprintf ( dg_file, "%s:", sf->field_name.ints.chars ) ;
      out_dt_shape ( sf->field_type ) ;
      fprintf ( dg_file, ",%ld,%ld;", offset, last_type_sz ) ;
      }
      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 ) ) ;
      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 ;
      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 ) ) ;
      fprintf ( dg_file, "%ld", dt->been_outed ) ;
      break ;
    }
   
    case DIAG_TYPE_NULL : {
      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 ;
      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 ;
      fprintf ( dg_file, "%ld=e", non ) ;
      for ( i = enumvals->lastused - 1 ; i >= 0 ; i-- ) {
        enum_values ef =  ( enumvals->array ) [i] ;
        fprintf ( dg_file, "%s:%d,", ef->nme.ints.chars, no ( ef->val ) );
      }
      fprintf ( dg_file, ";" ) ;
      last_type_sz = 32 ;
      set_stab_size ( non ) ;
      break ;
    }

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

#endif


/*
  OUTPUT DIAGNOSTICS FOR A GLOBAL VARIABLE
*/

#ifdef NEWDIAGS

void stab_global 
    PROTO_N ( ( di, global, id, ext ) )
    PROTO_T ( dg_name di X exp global X char * id X int ext )
{
  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 ) ;
  fprintf ( dg_file, "\t.stabs\t\"%s:%c", nm, ( ext ? 'G' : 'S' ) ) ;
  OUT_DT_SHAPE ( dt ) ;
  fprintf ( dg_file, "\",%#x,0,%ld,%s\n", ( ext ? 0x24 : ((no(global)!=0)?0x26:0x28) ),
                        /* solaris puts line no,0 rather than
                         0, varname, so suppress the stabd 
                         above, and do here. */
         di->whence.line, 
         id
         ) ;
  return ;
}

#else

void stab_global 
    PROTO_N ( ( dd, global, id, ext ) )
    PROTO_T ( diag_descriptor * dd X exp global X char * id X bool ext )
{
  if ( dd == NULL ) return ;
  
  stabd ( find_file ( dd->data.id.whence.file->file.ints.chars ),
       ( long ) dd->data.id.whence.line_no.nat_val.small_nat
       , -N_DSLINE ) ;

  fprintf ( dg_file, "\t.stabs\t\"%s:%c", dd->data.id.nme.ints.chars,
         ( ext ? 'G' : 'S' ) ) ;
  OUT_DT_SHAPE ( dd->data.id.new_type ) ;
  fprintf ( dg_file, "\",%#x,0,%ld,%s\n", ( ext ? 0x24 : ((no(global)!=0)?0x26:0x28) ),
                        /* solaris puts line no,0 rather than
                         0, varname, so suppress the stabd 
                         above, and do here. */
         dd->data.id.whence.line_no.nat_val.small_nat, 
         id
         ) ;
  return ;
}

#endif



/*
  OUTPUT DIAGNOSTICS FOR A PROCEDURE
*/

#ifdef NEWDIAGS

void stab_proc 
    PROTO_N ( ( di, proc, id, ext ) )
    PROTO_T ( dg_name di X exp proc X char * id X int ext )
{
  char* nm;
  dg_type dt;
  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;

  last_proc_lab = id;   
  if (di->whence.line)
    stabd ( di->whence.file, di->whence.line, 0 ) ;
  fprintf ( dg_file, "\t.stabs\t\"%s:%c", nm, ( ext ? 'F' : 'f' ) ) ;
  OUT_DT_SHAPE ( dt ) ;
  fprintf ( dg_file, "\",0x24,0,%ld,%s\n", di->whence.line, id ) ;
  return ;
}


#else

void stab_proc 
    PROTO_N ( ( dd, proc, id, ext ) )
    PROTO_T ( diag_descriptor * dd X exp proc X char * id X bool ext )
{

    last_proc_lab = id;       /* id is passed from translate_capsule, 
                         so stays in scope while needed */
  if ( dd == NULL ) return ;
  
  stabd ( find_file ( dd->data.id.whence.file->file.ints.chars ),
       ( long ) dd->data.id.whence.line_no.nat_val.small_nat 
       ,0) ;

  fprintf ( dg_file, "\t.stabs\t\"%s:%c",
         dd->data.id.nme.ints.chars, ( ext ? 'F' : 'f' ) ) ;
  OUT_DT_SHAPE ( dd->data.id.new_type->data.proc.result_type ) ;
  fprintf ( dg_file, "\",0x24,0,%ld,%s\n",
         dd->data.id.whence.line_no.nat_val.small_nat, id ) ;
  return ;
}

#endif


void stab_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: {
            long disp = t->u.l.offset;
            fprintf ( dg_file, "\t.stabs\t\"%s:p", t->u.l.nm);
            OUT_DT_SHAPE ( t->u.l.dt ) ;
            fprintf ( dg_file, "\",0xa0,0,%d,%ld\n", 0, disp);
            if (disp <= 88) { /* register useage comment */
              fprintf ( dg_file, "\t.stabs\t\"%s:r", t->u.l.nm);
              OUT_DT_SHAPE ( t->u.l.dt ) ;
              fprintf ( dg_file, "\",0x40,0,%d,%ld\n",0,24+ ((disp-68)/4));
            }
            break;
          }
          case D_LOCAL: {
            long disp = t->u.l.offset;
            fprintf ( dg_file, "\t.stabs\t\"%s:", t->u.l.nm);
            OUT_DT_SHAPE ( t->u.l.dt ) ;
            fprintf ( dg_file, "\",0x80,0,%d,%ld\n", 0, disp);
            break;
          }
          default: {
            fprintf ( dg_file, "\t.stabn\t0x%x,0,%d,.LL.%d-%s\n",
                  t->u.b.br, t->u.b.lev, t->u.b.lab, last_proc_lab );
          }
      }
    }    
    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();

  if (name (id) == ident_tag && ((props (id) & defer_bit) == 0))
    disp += boff ( id ).offset ;    /* is this condition right ? */
  again :
    if ( name ( id ) == ident_tag ) {
      if ( ( props ( id ) & defer_bit ) == 0 ) {
      /* +++ add assembler comment to say which reg is being used */
        t->del_t = (param ? D_PARAM : D_LOCAL) ;
        t->u.l.nm = nm ;
        t->u.l.dt = dt ;
        t->u.l.offset = disp;
        return ;
      } 
      else {
      exp sn = son ( id ) ;
      long d = disp ;

      while ( sn != nilexp ) {
        switch ( name ( sn ) ) {
          case name_tag : {
            disp = d + no ( sn ) ;
            id = son ( sn ) ;
            /* if ( isvar ( id ) ) dt = dt->data.ptr.object ;           ?????????? */
            goto again ;
          }
          case reff_tag : {
            d += no ( sn ) ;
            sn = son ( sn ) ;
            break ;
          }
          case cont_tag : {
            sn = son ( sn ) ;
            break ;
          }
          default : {
            return ;
          }
        }
      }
      }
    }
  return ;
}

#else

void stab_local
    PROTO_N ( ( nm, dt, ldid, disp, findex ) )
    PROTO_T ( char *nm X diag_type dt X exp ldid X long disp X long findex )
{
  exp id = son ( ldid ) ;
  struct delay_stab * t = next_del_stab();

  if (name (id) == ident_tag && ((props (id) & defer_bit) == 0))
    disp += boff ( id ).offset ;    /* is this condition right ? */
  again :
    if ( name ( id ) == ident_tag ) {
      if ( ( props ( id ) & defer_bit ) == 0 ) {
      /* +++ add assembler comment to say which reg is being used */
      if ( isparam ( id ) ) {
        t->del_t = D_PARAM;
        t->u.l.nm = nm ;
        t->u.l.dt = dt ;
        t->u.l.offset = disp;
        return ;
      } 
      else {
        t->del_t = D_LOCAL;
        t->u.l.nm = nm ;
        t->u.l.dt = dt ;
        t->u.l.offset = disp;
        return ;
      }
      } 
      else {
      exp sn = son ( id ) ;
      long d = disp ;

      while ( sn != nilexp ) {
        switch ( name ( sn ) ) {
          case name_tag : {
            disp = d + no ( sn ) ;
            id = son ( sn ) ;
            if ( isvar ( id ) ) dt = dt->data.ptr.object ;
            goto again ;
          }
          case reff_tag : {
            d += no ( sn ) ;
            sn = son ( sn ) ;
            break ;
          }
          case cont_tag : {
            sn = son ( sn ) ;
            break ;
          }
          default : {
            return ;
          }
        }
      }
      }
    }
  return ;
}

#endif


/*
  DEAL WITH BASIC TYPES
*/

void stab_types 
    PROTO_Z ()
{
  total_type_sizes = NO_STABS ;
  typeno = NO_STABS ;
  type_sizes = ( long * ) xmalloc ( NO_STABS * sizeof ( long ) ) ;
  fputs ( "\t.stabs\t\"int:t1=r1;-2147483648;2147483647;\",0x80,0,0,0\n", dg_file ) ;
  fputs ( "\t.stabs\t\"short int:t2=r1;-32768;32767;\",0x80,0,0,0\n",
          dg_file ) ;
  fputs ( "\t.stabs\t\"short unsigned int:t3=r1;0;65535;\",0x80,0,0,0\n", dg_file ) ;
  fputs ( "\t.stabs\t\"char:t4=r4;0;127;\",0x80,0,0,0\n", dg_file ) ;
  fputs ( "\t.stabs\t\"signed char:t5=r1;-128;127;\",0x80,0,0,0\n",
        dg_file ) ;
  fputs ( "\t.stabs\t\"unsigned char:t6=r1;0;255;\",0x80,0,0,0\n",
        dg_file ) ;
  fputs ( "\t.stabs\t\"long int:t7=r1;-2147483648;2147483647;\",0x80,0,0,0\n", dg_file ) ;
    fputs ( "\t.stabs\t\"unsigned int:t8=r1;0;-1;\",0x80,0,0,0\n",
          dg_file ) ;
    fputs ( "\t.stabs\t\"long unsigned int:t9=r1;0;-1;\",0x80,0,0,0\n",
          dg_file ) ;
    fputs ( "\t.stabs\t\"float:t10=r1;4;0;\",0x80,0,0,0\n", dg_file ) ;
    fputs ( "\t.stabs\t\"double:t11=r1;8;0;\",0x80,0,0,0\n", dg_file ) ;
    fprintf ( dg_file, "\t.stabs\t\"long double:t12=r1;%ld;0;\",0x80,0,0,0\n",
            DOUBLE_SZ / 8 ) ;
    fputs ( "\t.stabs\t\"void:t13=13\",0x80,0,0,0\n", dg_file ) ;
    fputs ( "\t.stabs\t\"long long int:t14=r1;", dg_file ) ;
    fputs ( "01000000000000000000000;0777777777777777777777;\",0x80,0,0,0\n",
          dg_file ) ;
    fputs ( "\t.stabs\t\"unsigned long long int:t15=r1;", dg_file ) ;
    fputs ( "0000000000000;01777777777777777777777;\",0x80,0,0,0\n",
          dg_file ) ;
    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 ) {
                fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int s_count = 0 ;
                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 ) {
                fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int u_count = 0 ;
                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 ) {
                fprintf ( dg_file, "\t.stabs\t\"%s:", nme ) ;
            } else {
                static int e_count = 0 ;
                fprintf ( dg_file, "\t.stabs\t\"_enum%d:", e_count++ ) ;
            }
            break ;
          }
          default: {
            istag = 0 ;
            break ;
          }
      }
      if (istag) {
          if ( d->been_outed && 0) {
            fprintf ( dg_file, "%d", (int)d->been_outed ) ;
          } else {
            fprintf ( dg_file, "T" ) ;
            OUT_DT_SHAPE ( d ) ;
          }
          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 () ;
      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 ) ;
      fprintf ( dg_file, "\",0x80,0,0,0\n" ) ;
    }
  }
  return ;
}

#endif



/*
  INITIALISE DIAGNOSTICS
*/

#ifdef NEWDIAGS

void init_stab
    PROTO_Z ()
{
  return;
}

void init_stab_aux
    PROTO_Z ()
{
  dg_compilation this_comp;
  dg_file = as_file ;
  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)
    stab_file (prim_file);
  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) {
          dt->outref.k = -1;
          dt->outref.u.l = next_typen () ;
          if (dt->key == DGT_STRUCT)
            shape_stab_size (dt->outref.u.l, dt->data.t_struct.sha);
          else
          if (dt->key == DGT_ENUM)
            shape_stab_size (dt->outref.u.l, dt->data.t_enum.sha);
        }
      }
      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]))) {
        if (!dt->outref.k) {
          dt->outref.k = -1;
          dt->outref.u.l = next_typen () ;
          if (dt->key == DGT_STRUCT)
            shape_stab_size (dt->outref.u.l, dt->data.t_struct.sha);
          else
          if (dt->key == DGT_ENUM)
            shape_stab_size (dt->outref.u.l, dt->data.t_enum.sha);
        }
      }
      }
      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]) {
        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 ) {
            fprintf ( dg_file, "%d", (int)dt->outref.u.l ) ;
          } else {
            fprintf ( dg_file, "t" ) ;
            OUT_DT_SHAPE ( dt ) ;
          }
        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]))) {
        fprintf ( dg_file, "\t.stabs\t\"%s:", s ) ;
        if ( dt->outref.k == LAB_D ) {
            fprintf ( dg_file, "%d", (int)dt->outref.u.l ) ;
          } else {
            fprintf ( dg_file, "T" ) ;
            OUT_DT_SHAPE ( dt ) ;
          }
          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 init_stab 
    PROTO_Z ()
{
  dg_file_name = tmpnam ( NULL ) ;
  dg_file = fopen ( dg_file_name, "w" ) ;
  if ( dg_file == NULL ) {
    fail ( "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 = 0 ;
  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 ;
  }
  fclose ( dg_file ) ;
  dg_file = as_file ;
  stab_file ( ( long ) j, 0 ) ;
  f = fopen ( dg_file_name, "r" ) ;
  if ( f == NULL ) {
    fail ( "Can't open temporary diagnostics file" ) ;
    exit ( EXIT_FAILURE ) ;
  }
  while ( c = fgetc ( f ), c != EOF ) outc ( c ) ;
  fclose ( f ) ;
  remove ( dg_file_name ) ;
  return ;
}

#endif



Generated by  Doxygen 1.6.0   Back to index