Exemplo n.º 1
0
//----------------------------------------------------------------------
static uval_t find_ret_purged(const func_t *pfn)
{
  uval_t argsize = 0;
  ea_t ea = pfn->startEA;
  while ( ea < pfn->endEA )
  {
    decode_insn(ea);
    if ( cmd.itype == H8500_rtd || cmd.itype == H8500_prtd )
    {
      argsize = cmd.Op1.value;
      break;
    }
    ea = nextthat(ea, pfn->endEA, f_isCode, NULL);
  }

  // could not find any ret instructions
  // but the function ends with a jump
  if ( ea >= pfn->endEA
    && (cmd.itype == H8500_jmp || cmd.itype == H8500_pjmp) )
  {
    ea_t target = calc_mem(cmd.Op1);
    pfn = get_func(target);
    if ( pfn != NULL )
      argsize = pfn->argsize;
  }

  return argsize;
}
Exemplo n.º 2
0
Arquivo: reg.cpp Projeto: nealey/vera
//----------------------------------------------------------------------
static void apply_symbols(void)
{
  free_mappings();
  if ( dataseg != BADADDR )
  {
    for ( int i=0; i < numports; i++ )
    {
      ea_t ea = calc_data_mem(ports[i].address);
      segment_t *s = getseg(ea);
      if ( s == NULL || s->type != SEG_IMEM )
        continue;
      doByte(ea, 1);
      const char *name = ports[i].name;
      if ( !set_name(ea, name, SN_NOWARN) )
        set_cmt(ea, name, 0);
    }
    ea_t ea = dataseg;
    segment_t *d = getseg(dataseg);
    if ( d != NULL )
    {
      ea_t dataend = d->endEA;
      while ( 1 )
      {
        ea = next_unknown(ea, dataend);
        if ( ea == BADADDR )
          break;
        ea_t end = nextthat(ea, dataend, f_isHead, NULL);
        if ( end == BADADDR )
          end = dataend;
        doByte(ea, end-ea);
      }
      create_mappings();
    }
  }
}
Exemplo n.º 3
0
ea_t GetBlockEnd(ea_t address)
{
	while(address=nextthat(address,BADADDR,f_isCode,NULL))
	{
		if(address==BADADDR)
			break;
		ea_t fcref=get_first_fcref_to(address);
		if(fcref!=BADADDR)
			break;
	}
	return address;
}
Exemplo n.º 4
0
Arquivo: emu.cpp Projeto: nealey/vera
//----------------------------------------------------------------------
static void destroy_if_unnamed_array(ea_t ea)
{
    flags_t F = get_flags_novalue(ea);
    if ( isTail(F) && segtype(ea) == SEG_IMEM )
    {
        ea_t head = prev_not_tail(ea);
        if ( !has_user_name(get_flags_novalue(head)) )
        {
            do_unknown(head, DOUNK_SIMPLE);
            doByte(head, ea-head);
            ea_t end = nextthat(ea, inf.maxEA, f_isHead, NULL);
            if ( end == BADADDR ) end = getseg(ea)->endEA;
            doByte(ea+1, end-ea-1);
        }
    }
}