* elf32-mips.c (elf_mips_abi_name): Return the right ABI string for
[deliverable/binutils-gdb.git] / bfd / coffgen.c
index bb7f86205dcf2ee297fecd6ac854c9431f9c23a5..45eda875d5c56f2624764282a52e590ccaa9067c 100644 (file)
@@ -1,5 +1,6 @@
 /* Support for the generic parts of COFF, for BFD.
-   Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999, 2000
+   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+   2000, 2001
    Free Software Foundation, Inc.
    Written by Cygnus Support.
 
@@ -46,13 +47,13 @@ static void coff_fix_symbol_name
   PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_size_type *,
           asection **, bfd_size_type *));
 static boolean coff_write_symbol
-  PARAMS ((bfd *, asymbol *, combined_entry_type *, unsigned int *,
+  PARAMS ((bfd *, asymbol *, combined_entry_type *, bfd_vma *,
           bfd_size_type *, asection **, bfd_size_type *));
 static boolean coff_write_alien_symbol
-  PARAMS ((bfd *, asymbol *, unsigned int *, bfd_size_type *,
+  PARAMS ((bfd *, asymbol *, bfd_vma *, bfd_size_type *,
           asection **, bfd_size_type *));
 static boolean coff_write_native_symbol
-  PARAMS ((bfd *, coff_symbol_type *, unsigned int *, bfd_size_type *,
+  PARAMS ((bfd *, coff_symbol_type *, bfd_vma *, bfd_size_type *,
           asection **, bfd_size_type *));
 static void coff_pointerize_aux
   PARAMS ((bfd *, combined_entry_type *, combined_entry_type *,
@@ -60,7 +61,7 @@ static void coff_pointerize_aux
 static boolean make_a_section_from_file
   PARAMS ((bfd *, struct internal_scnhdr *, unsigned int));
 static const bfd_target *coff_real_object_p
-  PARAMS ((bfd *, unsigned, struct internal_filehdr *, 
+  PARAMS ((bfd *, unsigned, struct internal_filehdr *,
           struct internal_aouthdr *));
 static void fixup_symbol_value
   PARAMS ((bfd *, coff_symbol_type *, struct internal_syment *));
@@ -81,6 +82,8 @@ make_a_section_from_file (abfd, hdr, target_index)
 {
   asection *return_section;
   char *name;
+  boolean result = true;
+  flagword flags;
 
   name = NULL;
 
@@ -141,8 +144,12 @@ make_a_section_from_file (abfd, hdr, target_index)
   return_section->userdata = NULL;
   return_section->next = (asection *) NULL;
   return_section->target_index = target_index;
-  return_section->flags = bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name,
-                                                          return_section);
+
+  if (! bfd_coff_styp_to_sec_flags_hook (abfd, hdr, name, return_section,
+                                        & flags))
+    result = false;
+  
+  return_section->flags = flags;
 
   /* At least on i386-coff, the line number count for a shared library
      section must be ignored.  */
@@ -154,7 +161,8 @@ make_a_section_from_file (abfd, hdr, target_index)
   /* FIXME: should this check 'hdr->s_size > 0' */
   if (hdr->s_scnptr != 0)
     return_section->flags |= SEC_HAS_CONTENTS;
-  return true;
+
+  return result;
 }
 
 /* Read in a COFF object and make it into a BFD.  This is used by
@@ -212,7 +220,7 @@ coff_real_object_p (abfd, nscns, internal_f, internal_a)
     goto fail;
 
   /* Set the arch/mach *before* swapping in sections; section header swapping
-     may depend on arch/mach info. */
+     may depend on arch/mach info.  */
   if (bfd_coff_set_arch_mach_hook (abfd, (PTR) internal_f) == false)
     goto fail;
 
@@ -340,7 +348,6 @@ coff_get_symtab_upper_bound (abfd)
   return (bfd_get_symcount (abfd) + 1) * (sizeof (coff_symbol_type *));
 }
 
-
 /* Canonicalize a COFF symbol table.  */
 
 long
@@ -525,7 +532,7 @@ coff_count_linenumbers (abfd)
     {
       asymbol *q_maybe = *p;
 
-      if (bfd_asymbol_flavour (q_maybe) == bfd_target_coff_flavour)
+      if (bfd_family_coff (bfd_asymbol_bfd (q_maybe)))
        {
          coff_symbol_type *q = coffsymbol (q_maybe);
 
@@ -558,13 +565,12 @@ coff_count_linenumbers (abfd)
 /* Takes a bfd and a symbol, returns a pointer to the coff specific
    area of the symbol if there is one.  */
 
-/*ARGSUSED*/
 coff_symbol_type *
 coff_symbol_from (ignore_abfd, symbol)
      bfd *ignore_abfd ATTRIBUTE_UNUSED;
      asymbol *symbol;
 {
-  if (bfd_asymbol_flavour (symbol) != bfd_target_coff_flavour)
+  if (!bfd_family_coff (bfd_asymbol_bfd (symbol)))
     return (coff_symbol_type *) NULL;
 
   if (bfd_asymbol_bfd (symbol)->tdata.coff_obj_data == (coff_data_type *) NULL)
@@ -692,7 +698,7 @@ coff_renumber_symbols (bfd_ptr, first_undef)
   for (symbol_index = 0; symbol_index < symbol_count; symbol_index++)
     {
       coff_symbol_type *coff_symbol_ptr = coff_symbol_from (bfd_ptr, symbol_ptr_ptr[symbol_index]);
-      symbol_ptr_ptr[symbol_index]->udata.i = symbol_index; 
+      symbol_ptr_ptr[symbol_index]->udata.i = symbol_index;
       if (coff_symbol_ptr && coff_symbol_ptr->native)
        {
          combined_entry_type *s = coff_symbol_ptr->native;
@@ -750,8 +756,9 @@ coff_mangle_symbols (bfd_ptr)
          if (s->fix_value)
            {
              /* FIXME: We should use a union here.  */
-             s->u.syment.n_value =
-               ((combined_entry_type *) s->u.syment.n_value)->offset;
+             s->u.syment.n_value = 
+               (bfd_vma)((combined_entry_type *) 
+                         ((unsigned long) s->u.syment.n_value))->offset;
              s->fix_value = 0;
            }
          if (s->fix_line)
@@ -821,7 +828,7 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
 
       if (bfd_coff_force_symnames_in_strings (abfd))
        {
-          native->u.syment._n._n_n._n_offset = 
+          native->u.syment._n._n_n._n_offset =
              (*string_size_p + STRING_SIZE_SIZE);
          native->u.syment._n._n_n._n_zeroes = 0;
          *string_size_p += 6;  /* strlen(".file") + 1 */
@@ -900,7 +907,7 @@ coff_fix_symbol_name (abfd, symbol, native, string_size_p,
            abort ();
          if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
            abort ();
-         native->u.syment._n._n_n._n_offset = 
+         native->u.syment._n._n_n._n_offset =
              *debug_string_size_p + prefix_len;
          native->u.syment._n._n_n._n_zeroes = 0;
          *debug_string_size_p += name_length + 1 + prefix_len;
@@ -922,7 +929,7 @@ coff_write_symbol (abfd, symbol, native, written, string_size_p,
      bfd *abfd;
      asymbol *symbol;
      combined_entry_type *native;
-     unsigned int *written;
+     bfd_vma *written;
      bfd_size_type *string_size_p;
      asection **debug_string_section_p;
      bfd_size_type *debug_string_size_p;
@@ -1007,7 +1014,7 @@ coff_write_alien_symbol (abfd, symbol, written, string_size_p,
                         debug_string_section_p, debug_string_size_p)
      bfd *abfd;
      asymbol *symbol;
-     unsigned int *written;
+     bfd_vma *written;
      bfd_size_type *string_size_p;
      asection **debug_string_section_p;
      bfd_size_type *debug_string_size_p;
@@ -1075,7 +1082,7 @@ coff_write_native_symbol (abfd, symbol, written, string_size_p,
                          debug_string_section_p, debug_string_size_p)
      bfd *abfd;
      coff_symbol_type *symbol;
-     unsigned int *written;
+     bfd_vma *written;
      bfd_size_type *string_size_p;
      asection **debug_string_section_p;
      bfd_size_type *debug_string_size_p;
@@ -1103,7 +1110,7 @@ coff_write_native_symbol (abfd, symbol, written, string_size_p,
       while (lineno[count].line_number != 0)
        {
 #if 0
-         /* 13 april 92. sac 
+         /* 13 april 92. sac
             I've been told this, but still need proof:
             > The second bug is also in `bfd/coffcode.h'.  This bug
             > causes the linker to screw up the pc-relocations for
@@ -1148,7 +1155,7 @@ coff_write_symbols (abfd)
   bfd_size_type debug_string_size;
   unsigned int i;
   unsigned int limit = bfd_get_symcount (abfd);
-  unsigned int written = 0;
+  bfd_signed_vma written = 0;
   asymbol **p;
 
   string_size = 0;
@@ -1271,7 +1278,7 @@ coff_write_symbols (abfd)
          else if (c_symbol->native->u.syment.n_sclass == C_FILE
                   && c_symbol->native->u.syment.n_numaux > 0)
            {
-             if (bfd_coff_force_symnames_in_strings (abfd)) 
+             if (bfd_coff_force_symnames_in_strings (abfd))
                bfd_write (".file", 1, 6, abfd);
              maxlen = bfd_coff_filnmlen (abfd);
            }
@@ -1376,7 +1383,6 @@ coff_write_linenumbers (abfd)
   return true;
 }
 
-/*ARGSUSED */
 alent *
 coff_get_lineno (ignore_abfd, symbol)
      bfd *ignore_abfd ATTRIBUTE_UNUSED;
@@ -1487,7 +1493,7 @@ coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent)
 
 /* Allocate space for the ".debug" section, and read it.
    We did not read the debug section until now, because
-   we didn't want to go to the trouble until someone needed it. */
+   we didn't want to go to the trouble until someone needed it.  */
 
 static char *
 build_debug_section (abfd)
@@ -1509,7 +1515,7 @@ build_debug_section (abfd)
   if (debug_section == NULL)
     return NULL;
 
-  /* Seek to the beginning of the `.debug' section and read it. 
+  /* Seek to the beginning of the `.debug' section and read it.
      Save the current position first; it is needed by our caller.
      Then read debug section and reset the file pointer.  */
 
@@ -1523,7 +1529,6 @@ build_debug_section (abfd)
   return debug_section;
 }
 
-
 /* Return a pointer to a malloc'd copy of 'name'.  'name' may not be
    \0-terminated, but will not exceed 'maxlen' characters.  The copy *will*
    be \0-terminated.  */
@@ -1611,7 +1616,7 @@ _bfd_coff_read_string_table (abfd)
                 + obj_raw_syment_count (abfd) * bfd_coff_symesz (abfd)),
                SEEK_SET) != 0)
     return NULL;
-    
+
   if (bfd_read (extstrsize, sizeof extstrsize, 1, abfd) != sizeof extstrsize)
     {
       if (bfd_get_error () != bfd_error_file_truncated)
@@ -1812,7 +1817,7 @@ coff_get_normalized_symtab (abfd)
                    {
                      break;
                    }           /* if end of string */
-               }               /* possible lengths of this string. */
+               }               /* possible lengths of this string.  */
 
              if ((newstring = (PTR) bfd_alloc (abfd, ++i)) == NULL)
                return (NULL);
@@ -1910,7 +1915,6 @@ coff_bfd_make_debug_symbol (abfd, ptr, sz)
   return &new->symbol;
 }
 
-/*ARGSUSED */
 void
 coff_get_symbol_info (abfd, symbol, ret)
      bfd *abfd;
@@ -1921,11 +1925,8 @@ coff_get_symbol_info (abfd, symbol, ret)
   if (coffsymbol (symbol)->native != NULL
       && coffsymbol (symbol)->native->fix_value)
     {
-      combined_entry_type *psym;
-
-      psym = ((combined_entry_type *)
-             coffsymbol (symbol)->native->u.syment.n_value);
-      ret->value = (bfd_vma) (psym - obj_raw_syments (abfd));
+      ret->value = coffsymbol (symbol)->native->u.syment.n_value -
+       (unsigned long) obj_raw_syments (abfd);
     }
 }
 
@@ -1949,8 +1950,8 @@ bfd_coff_get_syment (abfd, symbol, psyment)
   *psyment = csym->native->u.syment;
 
   if (csym->native->fix_value)
-    psyment->n_value = ((combined_entry_type *) psyment->n_value
-                       - obj_raw_syments (abfd));
+    psyment->n_value = psyment->n_value - 
+      (unsigned long) obj_raw_syments (abfd);
 
   /* FIXME: We should handle fix_line here.  */
 
@@ -2027,7 +2028,7 @@ coff_print_symbol (abfd, filep, symbol, how)
     case bfd_print_symbol_all:
       if (coffsymbol (symbol)->native)
        {
-         unsigned long val;
+         bfd_vma val;
          unsigned int aux;
          combined_entry_type *combined = coffsymbol (symbol)->native;
          combined_entry_type *root = obj_raw_syments (abfd);
@@ -2036,12 +2037,11 @@ coff_print_symbol (abfd, filep, symbol, how)
          fprintf (file, "[%3ld]", (long) (combined - root));
 
          if (! combined->fix_value)
-           val = (unsigned long) combined->u.syment.n_value;
+           val = (bfd_vma) combined->u.syment.n_value;
          else
-           val = ((unsigned long)
-                  ((combined_entry_type *) combined->u.syment.n_value
-                   - root));
+           val = combined->u.syment.n_value - (unsigned long) root;
 
+#ifndef XCOFF64
          fprintf (file,
                   "(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%08lx %s",
                   combined->u.syment.n_scnum,
@@ -2049,8 +2049,20 @@ coff_print_symbol (abfd, filep, symbol, how)
                   combined->u.syment.n_type,
                   combined->u.syment.n_sclass,
                   combined->u.syment.n_numaux,
+                  (unsigned long) val,
+                  symbol->name);
+#else
+         /* Print out the wide, 64 bit, symbol value */
+         fprintf (file,
+                  "(sec %2d)(fl 0x%02x)(ty %3x)(scl %3d) (nx %d) 0x%016llx %s",
+                  combined->u.syment.n_scnum,
+                  combined->u.syment.n_flags,
+                  combined->u.syment.n_type,
+                  combined->u.syment.n_sclass,
+                  combined->u.syment.n_numaux,
                   val,
                   symbol->name);
+#endif
 
          for (aux = 0; aux < combined->u.syment.n_numaux; aux++)
            {
@@ -2094,16 +2106,18 @@ coff_print_symbol (abfd, filep, symbol, how)
                case C_EXT:
                  if (ISFCN (combined->u.syment.n_type))
                    {
+                     long next, llnos;
+
+                     if (auxp->fix_end)
+                       next = (auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p
+                              - root);
+                     else
+                       next = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l;
+                     llnos = auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_lnnoptr;
                      fprintf (file,
                               _("AUX tagndx %ld ttlsiz 0x%lx lnnos %ld next %ld"),
-                              tagndx,
-                              auxp->u.auxent.x_sym.x_misc.x_fsize,
-                              auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_lnnoptr,
-                              (auxp->fix_end
-                               ? ((long)
-                                  (auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p
-                                   - root))
-                               : auxp->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l));
+                              tagndx, auxp->u.auxent.x_sym.x_misc.x_fsize,
+                              llnos, next);
                      break;
                    }
                  /* else fall through */
@@ -2137,7 +2151,7 @@ coff_print_symbol (abfd, filep, symbol, how)
        }
       else
        {
-         bfd_print_symbol_vandf ((PTR) file, symbol);
+         bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
          fprintf (file, " %-5s %s %s %s",
                   symbol->section->name,
                   coffsymbol (symbol)->native ? "n" : "g",
@@ -2163,7 +2177,7 @@ _bfd_coff_is_local_label_name (abfd, name)
 /* Provided a BFD, a section and an offset (in bytes, not octets) into the
    section, calculate and return the name of the source file and the line
    nearest to the wanted location.  */
-/*ARGSUSED*/
+
 boolean
 coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
                        functionname_ptr, line_ptr)
@@ -2190,17 +2204,25 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
   if (! _bfd_stab_section_find_nearest_line (abfd, symbols, section, offset,
                                             &found, filename_ptr,
                                             functionname_ptr, line_ptr,
-                                            &coff_data (abfd)->line_info))
+                                            &coff_data(abfd)->line_info))
     return false;
+
   if (found)
     return true;
 
+  /* Also try examining DWARF2 debugging information.  */
+  if (_bfd_dwarf2_find_nearest_line (abfd, section, symbols, offset,
+                                    filename_ptr, functionname_ptr,
+                                    line_ptr, 0,
+                                    &coff_data(abfd)->dwarf2_find_line_info))
+    return true;
+
   *filename_ptr = 0;
   *functionname_ptr = 0;
   *line_ptr = 0;
 
   /* Don't try and find line numbers in a non coff file */
-  if (abfd->xvec->flavour != bfd_target_coff_flavour)
+  if (!bfd_family_coff (abfd))
     return false;
 
   if (cof == NULL)
@@ -2260,7 +2282,7 @@ coff_find_nearest_line (abfd, section, symbols, offset, filename_ptr,
 
          /* Avoid endless loops on erroneous files by ensuring that
             we always move forward in the file.  */
-         if (p - cof->raw_syments >= p->u.syment.n_value)
+         if (p >= cof->raw_syments + p->u.syment.n_value)
            break;
 
          p = cof->raw_syments + p->u.syment.n_value;
@@ -2407,7 +2429,7 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
         We cheat here by creating a fake native entry for it and
         then filling in the class.  This code is based on that in
         coff_write_alien_symbol().  */
-      
+
       combined_entry_type * native;
 
       native = (combined_entry_type *) bfd_alloc (abfd, sizeof (* native));
@@ -2415,10 +2437,10 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
        return false;
 
       memset (native, 0, sizeof (* native));
-      
+
       native->u.syment.n_type   = T_NULL;
       native->u.syment.n_sclass = class;
-      
+
       if (bfd_is_und_section (symbol->section))
        {
          native->u.syment.n_scnum = N_UNDEF;
@@ -2437,19 +2459,18 @@ bfd_coff_set_symbol_class (abfd, symbol, class)
                                      + symbol->section->output_offset);
          if (! obj_pe (abfd))
            native->u.syment.n_value += symbol->section->output_section->vma;
-         
+
          /* Copy the any flags from the the file header into the symbol.
             FIXME: Why?  */
          native->u.syment.n_flags = bfd_asymbol_bfd (& csym->symbol)->flags;
        }
-      
+
       csym->native = native;
     }
   else
     {
       csym->native->u.syment.n_sclass = class;
     }
-  
+
   return true;
 }
-
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