This commit was generated by cvs2svn to track changes on a CVS vendor
[binutils-gdb.git] / bfd / coffcode.h
index c46c03ae5223a8005b723eef18dc72495e2f5c14..99bf9e521a09ffdb4c3025f05d68400f7f726750 100644 (file)
@@ -1,5 +1,6 @@
 /* Support for the generic parts of most COFF variants, for BFD.
-   Copyright 1990, 91, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
+   Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 1998
+   Free Software Foundation, Inc.
    Written by Cygnus Support.
 
 This file is part of BFD, the Binary File Descriptor library.
@@ -503,7 +504,7 @@ styp_to_sec_flags (abfd, hdr, name)
         section VMA and the file offset match.  If we don't know
         COFF_PAGE_SIZE, we can't ensure the correct correspondence,
         and demand page loading of the file will fail.  */
-#ifdef COFF_PAGE_SIZE
+#if defined (COFF_PAGE_SIZE) && !defined (COFF_ALIGN_IN_S_FLAGS)
       sec_flags |= SEC_DEBUGGING;
 #endif
     }
@@ -861,6 +862,13 @@ dependent COFF routines:
 .       boolean collect, 
 .       struct bfd_link_hash_entry **hashp));
 .
+. boolean (*_bfd_coff_link_output_has_begun) PARAMS ((
+.      bfd * abfd,
+.       struct coff_final_link_info * pfinfo));
+. boolean (*_bfd_coff_final_link_postscript) PARAMS ((
+.      bfd * abfd,
+.      struct coff_final_link_info * pfinfo));
+.
 .} bfd_coff_backend_data;
 .
 .#define coff_backend_info(abfd) ((bfd_coff_backend_data *) (abfd)->xvec->backend_data)
@@ -975,6 +983,11 @@ dependent COFF routines:
 .        ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
 .         (info, abfd, name, flags, section, value, string, cp, coll, hashp))
 .
+.#define bfd_coff_link_output_has_begun(a,p) \
+.        ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a,p))
+.#define bfd_coff_final_link_postscript(a,p) \
+.        ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a,p))
+.
 */
 
 /* See whether the magic number matches.  */
@@ -1016,6 +1029,8 @@ coff_new_section_hook (abfd, section)
      bfd * abfd;
      asection * section;
 {
+  combined_entry_type *native;
+
   section->alignment_power = COFF_DEFAULT_SECTION_ALIGNMENT_POWER;
 
 #ifdef RS6000COFF_C
@@ -1032,9 +1047,21 @@ coff_new_section_hook (abfd, section)
 
      @@ The 10 is a guess at a plausible maximum number of aux entries
      (but shouldn't be a constant).  */
-  coffsymbol (section->symbol)->native =
-    (combined_entry_type *) bfd_zalloc (abfd,
-                                       sizeof (combined_entry_type) * 10);
+  native = ((combined_entry_type *)
+           bfd_zalloc (abfd, sizeof (combined_entry_type) * 10));
+  if (native == NULL)
+    return false;
+
+  /* We don't need to set up n_name, n_value, or n_scnum in the native
+     symbol information, since they'll be overriden by the BFD symbol
+     anyhow.  However, we do need to set the type and storage class,
+     in case this symbol winds up getting written out.  The value 0
+     for n_numaux is already correct.  */
+
+  native->u.syment.n_type = T_NULL;
+  native->u.syment.n_sclass = C_STAT;
+
+  coffsymbol (section->symbol)->native = native;
 
   /* The .stab section must be aligned to 2**2 at most, because
      otherwise there may be gaps in the section which gdb will not
@@ -1056,7 +1083,7 @@ coff_new_section_hook (abfd, section)
   return true;
 }
 
-#ifdef I960
+#ifdef COFF_ALIGN_IN_SECTION_HEADER
 
 /* Set the alignment of a BFD section.  */
 
@@ -1071,13 +1098,22 @@ coff_set_alignment_hook (abfd, section, scnhdr)
   struct internal_scnhdr *hdr = (struct internal_scnhdr *) scnhdr;
   unsigned int i;
 
+#ifdef I960
+  /* Extract ALIGN from 2**ALIGN stored in section header */
   for (i = 0; i < 32; i++)
     if ((1 << i) >= hdr->s_align)
       break;
+#endif
+/* start-sanitize-tic80 */
+#ifdef TIC80COFF
+  /* TI tools hijack bits 8-11 for the alignment */
+  i = (hdr->s_flags >> 8) & 0xF ;
+#endif
+/* end-sanitize-tic80 */
   section->alignment_power = i;
 }
 
-#else /* ! I960 */
+#else /* ! COFF_ALIGN_IN_SECTION_HEADER */
 #ifdef COFF_WITH_PE
 
 /* a couple of macros to help setting the alignment power field */
@@ -1222,7 +1258,7 @@ coff_set_alignment_hook (abfd, section, scnhdr)
 
 #endif /* ! RS6000COFF_C */
 #endif /* ! COFF_WITH_PE */
-#endif /* ! I960 */
+#endif /* ! COFF_ALIGN_IN_SECTION_HEADER */
 
 #ifndef coff_mkobject
 
@@ -1306,9 +1342,9 @@ coff_mkobject_hook (abfd, filehdr, aouthdr)
     }
 #endif
 
-#ifdef  ARM
+#ifdef ARM 
   /* Set the flags field from the COFF header read in */
-  if (! coff_arm_bfd_set_private_flags (abfd, internal_f->f_flags))
+  if (! _bfd_coff_arm_set_private_flags (abfd, internal_f->f_flags))
     coff->flags = 0;
 #endif
   
@@ -1385,7 +1421,7 @@ coff_set_arch_mach_hook (abfd, filehdr)
     case LYNXCOFFMAGIC:
 #endif
       arch = bfd_arch_m68k;
-      machine = 68020;
+      machine = bfd_mach_m68020;
       break;
 #endif
 #ifdef MC88MAGIC
@@ -1584,11 +1620,19 @@ coff_set_arch_mach_hook (abfd, filehdr)
       break;
 #endif
 
+#ifdef TIC30MAGIC
+    case TIC30MAGIC:
+      arch = bfd_arch_tic30;
+      break;
+#endif
+
+/* start-sanitize-tic80 */
 #ifdef TIC80_ARCH_MAGIC
     case TIC80_ARCH_MAGIC:
       arch = bfd_arch_tic80;
       break;
 #endif
+/* end-sanitize-tic80 */
 
     default:                   /* Unreadable input file type */
       arch = bfd_arch_obscure;
@@ -1960,6 +2004,12 @@ coff_set_flags (abfd, magicp, flagsp)
       }
       break;
 #endif
+
+#ifdef TIC30MAGIC
+    case bfd_arch_tic30:
+      *magicp = TIC30MAGIC;
+      return true;
+#endif
 /* start-sanitize-tic80 */
 #ifdef TIC80_ARCH_MAGIC
     case bfd_arch_tic80:
@@ -1970,8 +2020,20 @@ coff_set_flags (abfd, magicp, flagsp)
 #ifdef ARMMAGIC
     case bfd_arch_arm:
       * magicp = ARMMAGIC;
-      if (coff_data (abfd)->flags & F_APCS_26)
-       * flagsp = F_APCS26;
+      * flagsp = 0;
+      if (APCS_SET (abfd))
+       {
+         if (APCS_26_FLAG (abfd))
+           * flagsp |= F_APCS26;
+         
+         if (APCS_FLOAT_FLAG (abfd))
+           * flagsp |= F_APCS_FLOAT;
+         
+         if (PIC_FLAG (abfd))
+           * flagsp |= F_PIC;
+       }
+      if (INTERWORK_SET (abfd) && INTERWORK_FLAG (abfd))
+       * flagsp |= F_INTERWORK;
       switch (bfd_get_mach (abfd))
        {
        case bfd_mach_arm_2:  * flagsp |= F_ARM_2;  break;
@@ -2134,6 +2196,15 @@ coff_set_arch_mach (abfd, arch, machine)
 
 /* Calculate the file position for each section. */
 
+#ifndef I960
+#define ALIGN_SECTIONS_IN_FILE
+#endif
+/* start-sanitize-tic80 */
+#ifdef TIC80COFF
+#undef ALIGN_SECTIONS_IN_FILE
+#endif
+/* end-sanitize-tic80 */
+
 static boolean
 coff_compute_section_file_positions (abfd)
      bfd * abfd;
@@ -2142,11 +2213,10 @@ coff_compute_section_file_positions (abfd)
   asection *previous = (asection *) NULL;
   file_ptr sofar = FILHSZ;
   boolean align_adjust;
-
-#ifndef I960
+  unsigned int count;
+#ifdef ALIGN_SECTIONS_IN_FILE
   file_ptr old_sofar;
 #endif
-  unsigned int count;
 
 #ifdef RS6000COFF_C
   /* On XCOFF, if we have symbols, set up the .debug section.  */
@@ -2232,6 +2302,19 @@ coff_compute_section_file_positions (abfd)
        current != (asection *) NULL;
        current = current->next, ++count)
     {
+#ifdef COFF_IMAGE_WITH_PE
+      /* The NT loader does not want empty section headers, so we omit
+         them.  We don't actually remove the section from the BFD,
+         although we probably should.  This matches code in
+         coff_write_object_contents.  */
+      if (current->_raw_size == 0)
+       {
+         current->target_index = -1;
+         --count;
+         continue;
+       }
+#endif
+
       current->target_index = count;
 
       /* Only deal with sections which have contents */
@@ -2242,7 +2325,7 @@ coff_compute_section_file_positions (abfd)
         which they are aligned in virtual memory.  I960 doesn't
         do this (FIXME) so we can stay in sync with Intel.  960
         doesn't yet page from files... */
-#ifndef I960
+#ifdef ALIGN_SECTIONS_IN_FILE
       if ((abfd->flags & EXEC_P) != 0)
        {
          /* make sure this section is aligned on the right boundary - by
@@ -2293,7 +2376,7 @@ coff_compute_section_file_positions (abfd)
 
       sofar += current->_raw_size;
 
-#ifndef I960
+#ifdef ALIGN_SECTIONS_IN_FILE
       /* make sure that this section is of the right size too */
       if ((abfd->flags & EXEC_P) == 0)
        {
@@ -2640,7 +2723,12 @@ coff_write_object_contents (abfd)
       section.s_align = (current->alignment_power
                         ? 1 << current->alignment_power
                         : 0);
-
+/* start-sanitize-tic80 */
+#else
+#ifdef TIC80COFF
+      section.s_flags |= (current->alignment_power & 0xF) << 8;
+#endif
+/* end-sanitize-tic80 */
 #endif
 
 #ifdef COFF_IMAGE_WITH_PE
@@ -2667,13 +2755,22 @@ coff_write_object_contents (abfd)
        {
          unsigned int i, count;
          asymbol **psym;
-         coff_symbol_type *csym;
+         coff_symbol_type *csym = NULL;
+         asymbol **psymsec;
 
+         psymsec = NULL;
          count = bfd_get_symcount (abfd);
          for (i = 0, psym = abfd->outsymbols; i < count; i++, psym++)
            {
-             /* Here *PSYM is the section symbol for CURRENT.  */
+             if ((*psym)->section != current)
+               continue;
+
+             /* Remember the location of the first symbol in this
+                 section.  */
+             if (psymsec == NULL)
+               psymsec = psym;
 
+             /* See if this is the section symbol.  */
              if (strcmp ((*psym)->name, current->name) == 0)
                {
                  csym = coff_symbol_from (abfd, *psym);
@@ -2683,6 +2780,9 @@ coff_write_object_contents (abfd)
                      || csym->native->u.syment.n_sclass != C_STAT
                      || csym->native->u.syment.n_type != T_NULL)
                    continue;
+
+                 /* Here *PSYM is the section symbol for CURRENT.  */
+
                  break;
                }
            }
@@ -2719,6 +2819,24 @@ coff_write_object_contents (abfd)
                    IMAGE_COMDAT_SELECT_EXACT_MATCH;
                  break;
                }
+
+             /* The COMDAT symbol must be the first symbol from this
+                 section in the symbol table.  In order to make this
+                 work, we move the COMDAT symbol before the first
+                 symbol we found in the search above.  It's OK to
+                 rearrange the symbol table at this point, because
+                 coff_renumber_symbols is going to rearrange it
+                 further and fix up all the aux entries.  */
+             if (psym != psymsec)
+               {
+                 asymbol *hold;
+                 asymbol **pcopy;
+
+                 hold = *psym;
+                 for (pcopy = psym; pcopy > psymsec; pcopy--)
+                   pcopy[0] = pcopy[-1];
+                 *psymsec = hold;
+               }
            }
        }
 #endif /* COFF_WITH_PE */
@@ -2792,6 +2910,12 @@ coff_write_object_contents (abfd)
   else
     internal_f.f_flags |= F_AR32W;
 
+/* start-sanitize-tic80 */
+#ifdef TIC80_TARGET_ID
+  internal_f.f_target_id = TIC80_TARGET_ID;
+#endif
+/* end-sanitize-tic80 */
+
   /*
      FIXME, should do something about the other byte orders and
      architectures.
@@ -2829,10 +2953,12 @@ coff_write_object_contents (abfd)
       internal_a.magic = NMAGIC; /* Assume separate i/d */
 #define __A_MAGIC_SET__
 #endif /* A29K */
-#ifdef TIC80
+/* start-sanitize-tic80 */
+#ifdef TIC80COFF
     internal_a.magic = TIC80_ARCH_MAGIC;
 #define __A_MAGIC_SET__
 #endif /* TIC80 */
+/* end-sanitize-tic80 */
 #ifdef I860
     /* FIXME: What are the a.out magic numbers for the i860?  */
     internal_a.magic = 0;
@@ -2895,7 +3021,7 @@ coff_write_object_contents (abfd)
 #endif /* LYNXOS */
 #endif /* SPARC */
 
-#if RS6000COFF_C
+#ifdef RS6000COFF_C
 #define __A_MAGIC_SET__
     internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
     (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
@@ -3271,10 +3397,11 @@ coff_slurp_line_table (abfd, asect)
 
              warned = false;
              symndx = dst.l_addr.l_symndx;
-             if (symndx < 0 || symndx >= obj_raw_syment_count (abfd))
+             if (symndx < 0
+                 || (unsigned long) symndx >= obj_raw_syment_count (abfd))
                {
                  (*_bfd_error_handler)
-                   ("%s: warning: illegal symbol index %ld in line numbers",
+                   (_("%s: warning: illegal symbol index %ld in line numbers"),
                     bfd_get_filename (abfd), dst.l_addr.l_symndx);
                  symndx = 0;
                  warned = true;
@@ -3288,7 +3415,7 @@ coff_slurp_line_table (abfd, asect)
              if (sym->lineno != NULL && ! warned)
                {
                  (*_bfd_error_handler)
-                   ("%s: warning: duplicate line number information for `%s'",
+                   (_("%s: warning: duplicate line number information for `%s'"),
                     bfd_get_filename (abfd),
                     bfd_asymbol_name (&sym->symbol));
                }
@@ -3379,13 +3506,20 @@ coff_slurp_symbol_table (abfd)
 #endif
 
            case C_EXT:
+#if defined ARM
+            case C_THUMBEXT:
+            case C_THUMBEXTFUNC:
+#endif
 #ifdef RS6000COFF_C
            case C_HIDEXT:
 #endif
+#ifdef C_SYSTEM
+           case C_SYSTEM:      /* System Wide variable */
+#endif
 #ifdef COFF_WITH_PE
             /* PE uses storage class 0x68 to denote a section symbol */
             case C_SECTION:
-           /* PE uses storage class 0x67 for a weak external symbol.  */
+           /* PE uses storage class 0x69 for a weak external symbol.  */
            case C_NT_WEAK:
 #endif
              if ((src->u.syment.n_scnum) == 0)
@@ -3407,8 +3541,15 @@ coff_slurp_symbol_table (abfd)
                     section */
 
                  dst->symbol.flags = BSF_EXPORT | BSF_GLOBAL;
+
+#if defined COFF_WITH_PE
+                 /* PE sets the symbol to a value relative to the
+                     start of the section.  */
+                 dst->symbol.value = src->u.syment.n_value;
+#else
                  dst->symbol.value = (src->u.syment.n_value
                                       - dst->symbol.section->vma);
+#endif
 
                  if (ISFCN ((src->u.syment.n_type)))
                    {
@@ -3437,6 +3578,11 @@ coff_slurp_symbol_table (abfd)
            case C_STAT:        /* static                        */
 #ifdef I960
            case C_LEAFSTAT:    /* static leaf procedure        */
+#endif
+#if defined ARM 
+            case C_THUMBSTAT:   /* Thumb static                  */
+            case C_THUMBLABEL:  /* Thumb label                   */
+            case C_THUMBSTATFUNC:/* Thumb static function        */
 #endif
            case C_LABEL:       /* label                         */
              if (src->u.syment.n_scnum == -2)
@@ -3447,8 +3593,16 @@ coff_slurp_symbol_table (abfd)
              /* Base the value as an index from the base of the
                 section, if there is one.  */
              if (dst->symbol.section)
-               dst->symbol.value = (src->u.syment.n_value
-                                    - dst->symbol.section->vma);
+               {
+#if defined COFF_WITH_PE
+                 /* PE sets the symbol to a value relative to the
+                     start of the section.  */
+                 dst->symbol.value = src->u.syment.n_value;
+#else
+                 dst->symbol.value = (src->u.syment.n_value
+                                      - dst->symbol.section->vma);
+#endif
+               }
              else
                dst->symbol.value = src->u.syment.n_value;
              break;
@@ -3462,9 +3616,15 @@ coff_slurp_symbol_table (abfd)
 #endif
            case C_REGPARM:     /* register parameter            */
            case C_REG: /* register variable             */
+/* start-sanitize-tic80 */
+#ifndef TIC80COFF
+/* end-sanitize-tic80 */
 #ifdef C_AUTOARG
            case C_AUTOARG:     /* 960-specific storage class */
 #endif
+/* start-sanitize-tic80 */
+#endif
+/* end-sanitize-tic80 */
            case C_TPDEF:       /* type definition               */
            case C_ARG:
            case C_AUTO:        /* automatic variable */
@@ -3544,10 +3704,16 @@ coff_slurp_symbol_table (abfd)
            case C_FCN:         /* ".bf" or ".ef"                */
            case C_EFCN:        /* physical end of function      */
              dst->symbol.flags = BSF_LOCAL;
+#if defined COFF_WITH_PE
+             /* PE sets the symbol to a value relative to the start
+                of the section.  */
+             dst->symbol.value = src->u.syment.n_value;
+#else
              /* Base the value as an index from the base of the
                 section.  */
              dst->symbol.value = (src->u.syment.n_value
                                   - dst->symbol.section->vma);
+#endif
              break;
 
            case C_NULL:
@@ -3561,10 +3727,18 @@ coff_slurp_symbol_table (abfd)
              /* NT uses 0x67 for a weak symbol, not C_ALIAS.  */
            case C_ALIAS:       /* duplicate tag                 */
 #endif
+/* start-sanitize-tic80 */
+             /* New storage classes for TIc80 */
+#ifdef TIC80COFF
+           case C_UEXT:        /* Tentative external definition */
+#endif
+           case C_STATLAB:     /* Static load time label */
+           case C_EXTLAB:      /* External load time label */
+/* end-sanitize-tic80 */
            case C_HIDDEN:      /* ext symbol in dmert public lib */
            default:
              (*_bfd_error_handler)
-               ("%s: Unrecognized storage class %d for %s symbol `%s'",
+               (_("%s: Unrecognized storage class %d for %s symbol `%s'"),
                 bfd_get_filename (abfd), src->u.syment.n_sclass,
                 dst->symbol.section->name, dst->symbol.name);
              dst->symbol.flags = BSF_DEBUGGING;
@@ -3613,9 +3787,13 @@ coff_slurp_symbol_table (abfd)
 #define OTHER_GLOBAL_CLASS C_LEAFEXT
 #endif
 
+#ifdef COFFARM
+#define OTHER_GLOBAL_CLASS C_THUMBEXT || syment->n_sclass == C_THUMBEXTFUNC
+#else
 #ifdef COFF_WITH_PE
 #define OTHER_GLOBAL_CLASS C_SECTION
 #endif
+#endif
 
 #ifdef OTHER_GLOBAL_CLASS
 
@@ -3623,12 +3801,10 @@ static boolean coff_sym_is_global PARAMS ((bfd *, struct internal_syment *));
 
 static boolean
 coff_sym_is_global (abfd, syment)
-     bfd *abfd;
-     struct internal_syment *syment;
+     bfd * abfd;
+     struct internal_syment * syment;
 {
-  if (syment->n_sclass == OTHER_GLOBAL_CLASS)
-    return true;
-  return false;
+  return (syment->n_sclass == OTHER_GLOBAL_CLASS);
 }
 
 #undef OTHER_GLOBAL_CLASS
@@ -3746,7 +3922,7 @@ coff_slurp_reloc_table (abfd, asect, symbols)
          if (dst.r_symndx < 0 || dst.r_symndx >= obj_conv_table_size (abfd))
            {
              (*_bfd_error_handler)
-               ("%s: warning: illegal symbol index %ld in relocs",
+               (_("%s: warning: illegal symbol index %ld in relocs"),
                 bfd_get_filename (abfd), dst.r_symndx);
              cache_ptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
              ptr = NULL;
@@ -3784,7 +3960,7 @@ coff_slurp_reloc_table (abfd, asect, symbols)
       if (cache_ptr->howto == NULL)
        {
          (*_bfd_error_handler)
-           ("%s: illegal relocation type %d at address 0x%lx",
+           (_("%s: illegal relocation type %d at address 0x%lx"),
             bfd_get_filename (abfd), dst.r_type, (long) dst.r_vaddr);
          bfd_set_error (bfd_error_bad_value);
          return false;
@@ -3964,13 +4140,80 @@ dummy_reloc16_extra_cases (abfd, link_info, link_order, reloc, data, src_ptr,
 #define coff_link_add_one_symbol _bfd_generic_link_add_one_symbol
 #endif
 
+#ifndef coff_link_output_has_begun
+#define coff_link_output_has_begun _coff_link_output_has_begun
+static boolean
+_coff_link_output_has_begun (abfd, info)
+     bfd * abfd;
+     struct bfd_link_info * info;
+{
+  return abfd->output_has_begun;
+}
+#endif
+
+#ifndef coff_final_link_postscript
+#define coff_final_link_postscript _coff_final_link_postscript
+static boolean
+_coff_final_link_postscript (abfd, pfinfo)
+     bfd * abfd;
+     struct coff_final_link_info * pfinfo;
+{
+  return true;
+}
+#endif
+
+#ifndef coff_SWAP_aux_in
+#define coff_SWAP_aux_in coff_swap_aux_in
+#endif
+#ifndef coff_SWAP_sym_in
+#define coff_SWAP_sym_in coff_swap_sym_in
+#endif
+#ifndef coff_SWAP_lineno_in
+#define coff_SWAP_lineno_in coff_swap_lineno_in
+#endif
+#ifndef coff_SWAP_aux_out
+#define coff_SWAP_aux_out coff_swap_aux_out
+#endif
+#ifndef coff_SWAP_sym_out
+#define coff_SWAP_sym_out coff_swap_sym_out
+#endif
+#ifndef coff_SWAP_lineno_out
+#define coff_SWAP_lineno_out coff_swap_lineno_out
+#endif
+#ifndef coff_SWAP_reloc_out
+#define coff_SWAP_reloc_out coff_swap_reloc_out
+#endif
+#ifndef coff_SWAP_filehdr_out
+#define coff_SWAP_filehdr_out coff_swap_filehdr_out
+#endif
+#ifndef coff_SWAP_aouthdr_out
+#define coff_SWAP_aouthdr_out coff_swap_aouthdr_out
+#endif
+#ifndef coff_SWAP_scnhdr_out
+#define coff_SWAP_scnhdr_out coff_swap_scnhdr_out
+#endif
+#ifndef coff_SWAP_reloc_in
+#define coff_SWAP_reloc_in coff_swap_reloc_in
+#endif
+#ifndef coff_SWAP_filehdr_in
+#define coff_SWAP_filehdr_in coff_swap_filehdr_in
+#endif
+#ifndef coff_SWAP_aouthdr_in
+#define coff_SWAP_aouthdr_in coff_swap_aouthdr_in
+#endif
+#ifndef coff_SWAP_scnhdr_in
+#define coff_SWAP_scnhdr_in coff_swap_scnhdr_in
+#endif
+
+
+
 static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
 {
-  coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in,
-  coff_swap_aux_out, coff_swap_sym_out,
-  coff_swap_lineno_out, coff_swap_reloc_out,
-  coff_swap_filehdr_out, coff_swap_aouthdr_out,
-  coff_swap_scnhdr_out,
+  coff_SWAP_aux_in, coff_SWAP_sym_in, coff_SWAP_lineno_in,
+  coff_SWAP_aux_out, coff_SWAP_sym_out,
+  coff_SWAP_lineno_out, coff_SWAP_reloc_out,
+  coff_SWAP_filehdr_out, coff_SWAP_aouthdr_out,
+  coff_SWAP_scnhdr_out,
   FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ,
 #ifdef COFF_LONG_FILENAMES
   true,
@@ -3983,14 +4226,15 @@ static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
   false,
 #endif
   COFF_DEFAULT_SECTION_ALIGNMENT_POWER,
-  coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in,
-  coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
+  coff_SWAP_filehdr_in, coff_SWAP_aouthdr_in, coff_SWAP_scnhdr_in,
+  coff_SWAP_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
   coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
   coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
   coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
   coff_sym_is_global, coff_compute_section_file_positions,
   coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
-  coff_adjust_symndx, coff_link_add_one_symbol
+  coff_adjust_symndx, coff_link_add_one_symbol,
+  coff_link_output_has_begun, coff_final_link_postscript
 };
 
 #ifndef coff_close_and_cleanup
@@ -4055,3 +4299,7 @@ static CONST bfd_coff_backend_data bfd_coff_std_swap_table =
 #ifndef coff_bfd_relax_section
 #define coff_bfd_relax_section             bfd_generic_relax_section
 #endif
+
+#ifndef coff_bfd_gc_sections
+#define coff_bfd_gc_sections               bfd_generic_gc_sections
+#endif