freebsd-dev/gnu/usr.bin/as/debug.c

/* This file is debug.c

   Copyright (C) 1987-1992 Free Software Foundation, Inc.

   This file is part of GAS, the GNU Assembler.

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

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

   You should have received a copy of the GNU General Public License
   along with GAS; see the file COPYING.  If not, write to
   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* Routines for debug use only.  */

#ifndef lint
static char rcsid[] = "$Id$";
#endif

#include "as.h"
#include "subsegs.h"

dmp_frags()
{
    frchainS *chp;
    char *p;

    for ( chp=frchain_root; chp; chp = chp->frch_next ){
	switch ( chp->frch_seg ){
	case SEG_DATA:
	    p ="Data";
	    break;
	case SEG_TEXT:
	    p ="Text";
	    break;
	default:
	    p ="???";
	    break;
	}
	printf("\nSEGMENT %s %d\n", p, chp->frch_subseg);
	dmp_frag( chp->frch_root,"\t");
    }
}

dmp_frag( fp, indent )
    struct frag *fp;
    char *indent;
{
    for ( ; fp; fp = fp->fr_next ){
	printf("%sFRAGMENT @ 0x%x\n", indent, fp);
	switch( fp->fr_type ){
	case rs_align:
	    printf("%srs_align(%d)\n",indent, fp->fr_offset);
	    break;
	case rs_fill:
	    printf("%srs_fill(%d)\n",indent, fp->fr_offset);
	    printf("%s", indent);
	    var_chars( fp, fp->fr_var + fp->fr_fix );
	    printf("%s\t repeated %d times,",
		   indent, fp->fr_offset);
	    printf(" fixed length if # chars == 0)\n");
	    break;
	case rs_org:
	    printf("%srs_org(%d+sym @0x%x)\n",indent,
		   fp->fr_offset, fp->fr_symbol);
	    printf("%sfill with ",indent);
	    var_chars( fp, 1 );
	    printf("\n");
	    break;
	case rs_machine_dependent:
	    printf("%smachine_dep\n",indent);
	    break;
	default:
	    printf("%sunknown type\n",indent);
	    break;
	}
	printf("%saddr=%d(0x%x)\n",indent,fp->fr_address,fp->fr_address);
	printf("%sfr_fix=%d\n",indent,fp->fr_fix);
	printf("%sfr_var=%d\n",indent,fp->fr_var);
	printf("%sfr_offset=%d\n",indent,fp->fr_offset);
	printf("%schars @ 0x%x\n",indent,fp->fr_literal);
	printf("\n");
    }
}

var_chars( fp, n )
    struct frag *fp;
    int n;
{
    unsigned char *p;

    for ( p=(unsigned char*)fp->fr_literal; n; n-- , p++ ){
	printf("%02x ", *p );
    }
}

/* end of debug.c */