1  /* BFD COFF interfaces used outside of BFD.
       2     Copyright (C) 1990-2023 Free Software Foundation, Inc.
       3     Written by Cygnus Support.
       4  
       5     This file is part of BFD, the Binary File Descriptor library.
       6  
       7     This program is free software; you can redistribute it and/or modify
       8     it under the terms of the GNU General Public License as published by
       9     the Free Software Foundation; either version 3 of the License, or
      10     (at your option) any later version.
      11  
      12     This program is distributed in the hope that it will be useful,
      13     but WITHOUT ANY WARRANTY; without even the implied warranty of
      14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15     GNU General Public License for more details.
      16  
      17     You should have received a copy of the GNU General Public License
      18     along with this program; if not, write to the Free Software
      19     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
      20     MA 02110-1301, USA.  */
      21  
      22  #include "sysdep.h"
      23  #include "bfd.h"
      24  #include "libbfd.h"
      25  #include "coff/internal.h"
      26  #include "libcoff.h"
      27  
      28  /* Return the COFF syment for a symbol.  */
      29  
      30  bool
      31  bfd_coff_get_syment (bfd *abfd,
      32  		     asymbol *symbol,
      33  		     struct internal_syment *psyment)
      34  {
      35    coff_symbol_type *csym;
      36  
      37    csym = coff_symbol_from (symbol);
      38    if (csym == NULL || csym->native == NULL
      39        || ! csym->native->is_sym)
      40      {
      41        bfd_set_error (bfd_error_invalid_operation);
      42        return false;
      43      }
      44  
      45    *psyment = csym->native->u.syment;
      46  
      47    if (csym->native->fix_value)
      48      {
      49        psyment->n_value =
      50  	((psyment->n_value - (uintptr_t) obj_raw_syments (abfd))
      51  	 / sizeof (combined_entry_type));
      52        csym->native->fix_value = 0;
      53      }
      54  
      55    /* FIXME: We should handle fix_line here.  */
      56  
      57    return true;
      58  }
      59  
      60  /* Return the COFF auxent for a symbol.  */
      61  
      62  bool
      63  bfd_coff_get_auxent (bfd *abfd,
      64  		     asymbol *symbol,
      65  		     int indx,
      66  		     union internal_auxent *pauxent)
      67  {
      68    coff_symbol_type *csym;
      69    combined_entry_type *ent;
      70  
      71    csym = coff_symbol_from (symbol);
      72  
      73    if (csym == NULL
      74        || csym->native == NULL
      75        || ! csym->native->is_sym
      76        || indx >= csym->native->u.syment.n_numaux)
      77      {
      78        bfd_set_error (bfd_error_invalid_operation);
      79        return false;
      80      }
      81  
      82    ent = csym->native + indx + 1;
      83  
      84    BFD_ASSERT (! ent->is_sym);
      85    *pauxent = ent->u.auxent;
      86  
      87    if (ent->fix_tag)
      88      {
      89        pauxent->x_sym.x_tagndx.u32 =
      90  	((combined_entry_type *) pauxent->x_sym.x_tagndx.p
      91  	 - obj_raw_syments (abfd));
      92        ent->fix_tag = 0;
      93      }
      94  
      95    if (ent->fix_end)
      96      {
      97        pauxent->x_sym.x_fcnary.x_fcn.x_endndx.u32 =
      98  	((combined_entry_type *) pauxent->x_sym.x_fcnary.x_fcn.x_endndx.p
      99  	 - obj_raw_syments (abfd));
     100        ent->fix_end = 0;
     101      }
     102  
     103    if (ent->fix_scnlen)
     104      {
     105        pauxent->x_csect.x_scnlen.u64 =
     106  	((combined_entry_type *) pauxent->x_csect.x_scnlen.p
     107  	 - obj_raw_syments (abfd));
     108        ent->fix_scnlen = 0;
     109      }
     110  
     111    return true;
     112  }