daily update
[deliverable/binutils-gdb.git] / bfd / mach-o.c
index eaa7aba88a4adc94035513264d23cc65713232d4..5ca581615b1434b296f14ab5f02c7b765bf12a29 100644 (file)
@@ -1,12 +1,12 @@
 /* Mach-O support for BFD.
-   Copyright 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
    Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program 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 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
+#include "sysdep.h"
 #include "mach-o.h"
 #include "bfd.h"
-#include "sysdep.h"
 #include "libbfd.h"
 #include "libiberty.h"
 #include <ctype.h>
 #define BFD_IO_FUNCS 0
 #endif
 
-#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
-#define bfd_mach_o_read_ar_hdr _bfd_noarchive_read_ar_hdr
-#define bfd_mach_o_slurp_armap _bfd_noarchive_slurp_armap
-#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
-#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
-#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
-#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
-#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
-#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
-#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
-#define        bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup
-#define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
-#define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook
-#define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window
-#define bfd_mach_o_bfd_is_local_label_name _bfd_nosymbols_bfd_is_local_label_name
-#define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno
-#define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line
-#define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
-#define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols
-#define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
-#define bfd_mach_o_get_reloc_upper_bound _bfd_norelocs_get_reloc_upper_bound
-#define bfd_mach_o_canonicalize_reloc _bfd_norelocs_canonicalize_reloc
-#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
+#define bfd_mach_o_mkarchive                          _bfd_noarchive_mkarchive
+#define bfd_mach_o_read_ar_hdr                        _bfd_noarchive_read_ar_hdr
+#define bfd_mach_o_slurp_armap                        _bfd_noarchive_slurp_armap
+#define bfd_mach_o_slurp_extended_name_table          _bfd_noarchive_slurp_extended_name_table
+#define bfd_mach_o_construct_extended_name_table      _bfd_noarchive_construct_extended_name_table
+#define bfd_mach_o_truncate_arname                    _bfd_noarchive_truncate_arname
+#define bfd_mach_o_write_armap                        _bfd_noarchive_write_armap
+#define bfd_mach_o_get_elt_at_index                   _bfd_noarchive_get_elt_at_index
+#define bfd_mach_o_generic_stat_arch_elt              _bfd_noarchive_generic_stat_arch_elt
+#define bfd_mach_o_update_armap_timestamp             _bfd_noarchive_update_armap_timestamp
+#define        bfd_mach_o_close_and_cleanup                  _bfd_generic_close_and_cleanup
+#define bfd_mach_o_bfd_free_cached_info               _bfd_generic_bfd_free_cached_info
+#define bfd_mach_o_new_section_hook                   _bfd_generic_new_section_hook
+#define bfd_mach_o_get_section_contents_in_window     _bfd_generic_get_section_contents_in_window
+#define bfd_mach_o_bfd_is_local_label_name            _bfd_nosymbols_bfd_is_local_label_name
+#define bfd_mach_o_bfd_is_target_special_symbol       ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
+#define bfd_mach_o_bfd_is_local_label_name            _bfd_nosymbols_bfd_is_local_label_name
+#define bfd_mach_o_get_lineno                         _bfd_nosymbols_get_lineno
+#define bfd_mach_o_find_nearest_line                  _bfd_nosymbols_find_nearest_line
+#define bfd_mach_o_find_inliner_info                  _bfd_nosymbols_find_inliner_info
+#define bfd_mach_o_bfd_make_debug_symbol              _bfd_nosymbols_bfd_make_debug_symbol
+#define bfd_mach_o_read_minisymbols                   _bfd_generic_read_minisymbols
+#define bfd_mach_o_minisymbol_to_symbol               _bfd_generic_minisymbol_to_symbol
 #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
-#define bfd_mach_o_bfd_relax_section bfd_generic_relax_section
-#define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
-#define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols
-#define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms
-#define bfd_mach_o_bfd_final_link _bfd_generic_final_link
-#define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section
-#define bfd_mach_o_set_arch_mach bfd_default_set_arch_mach
-#define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data
-#define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags
-#define bfd_mach_o_bfd_print_private_bfd_data _bfd_generic_bfd_print_private_bfd_data
-#define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents
-#define bfd_mach_o_set_section_contents _bfd_generic_set_section_contents
-#define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections
-#define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections
-#define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section
-#define bfd_mach_o_bfd_discard_group bfd_generic_discard_group
-
-static bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data
-  PARAMS ((bfd *, asymbol *, bfd *, asymbol *));
-static bfd_boolean bfd_mach_o_bfd_copy_private_section_data
-  PARAMS ((bfd *, asection *, bfd *, asection *));
-static bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data
-  PARAMS ((bfd *, bfd *));
-static long bfd_mach_o_count_symbols
-  PARAMS ((bfd *));
-static long bfd_mach_o_get_symtab_upper_bound
-  PARAMS ((bfd *));
-static long bfd_mach_o_canonicalize_symtab
-  PARAMS ((bfd *, asymbol **));
-static void bfd_mach_o_get_symbol_info
-  PARAMS ((bfd *, asymbol *, symbol_info *));
-static void bfd_mach_o_print_symbol
-  PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
-static void bfd_mach_o_convert_architecture
-  PARAMS ((bfd_mach_o_cpu_type, bfd_mach_o_cpu_subtype,
-          enum bfd_architecture *, unsigned long *));
-static bfd_boolean bfd_mach_o_write_contents
-  PARAMS ((bfd *));
-static int bfd_mach_o_sizeof_headers
-  PARAMS ((bfd *, bfd_boolean));
-static asymbol * bfd_mach_o_make_empty_symbol
-  PARAMS ((bfd *));
-static int bfd_mach_o_write_header
-  PARAMS ((bfd *, bfd_mach_o_header *));
-static int bfd_mach_o_read_header
-  PARAMS ((bfd *, bfd_mach_o_header *));
-static asection * bfd_mach_o_make_bfd_section
-  PARAMS ((bfd *, bfd_mach_o_section *));
-static int bfd_mach_o_scan_read_section
-  PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma));
-static int bfd_mach_o_scan_write_section
-  PARAMS ((bfd *, bfd_mach_o_section *, bfd_vma));
-static int bfd_mach_o_scan_write_symtab_symbols
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_thread
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dylinker
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dylib
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_prebound_dylib
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_thread
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_symtab
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_dysymtab
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_symtab
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_segment
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_write_segment
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static int bfd_mach_o_scan_read_command
-  PARAMS ((bfd *, bfd_mach_o_load_command *));
-static void bfd_mach_o_flatten_sections
-  PARAMS ((bfd *));
-static const char * bfd_mach_o_i386_flavour_string
-  PARAMS ((unsigned int));
-static const char * bfd_mach_o_ppc_flavour_string
-  PARAMS ((unsigned int));
+#define bfd_mach_o_bfd_relax_section                  bfd_generic_relax_section
+#define bfd_mach_o_bfd_link_hash_table_create         _bfd_generic_link_hash_table_create
+#define bfd_mach_o_bfd_link_hash_table_free           _bfd_generic_link_hash_table_free
+#define bfd_mach_o_bfd_link_add_symbols               _bfd_generic_link_add_symbols
+#define bfd_mach_o_bfd_link_just_syms                 _bfd_generic_link_just_syms
+#define bfd_mach_o_bfd_final_link                     _bfd_generic_final_link
+#define bfd_mach_o_bfd_link_split_section             _bfd_generic_link_split_section
+#define bfd_mach_o_set_arch_mach                      bfd_default_set_arch_mach
+#define bfd_mach_o_bfd_merge_private_bfd_data         _bfd_generic_bfd_merge_private_bfd_data
+#define bfd_mach_o_bfd_set_private_flags              _bfd_generic_bfd_set_private_flags
+#define bfd_mach_o_bfd_print_private_bfd_data         _bfd_generic_bfd_print_private_bfd_data
+#define bfd_mach_o_get_section_contents               _bfd_generic_get_section_contents
+#define bfd_mach_o_set_section_contents               _bfd_generic_set_section_contents
+#define bfd_mach_o_bfd_gc_sections                    bfd_generic_gc_sections
+#define bfd_mach_o_bfd_merge_sections                 bfd_generic_merge_sections
+#define bfd_mach_o_bfd_is_group_section               bfd_generic_is_group_section
+#define bfd_mach_o_bfd_discard_group                  bfd_generic_discard_group
+#define bfd_mach_o_section_already_linked             _bfd_generic_section_already_linked
+#define bfd_mach_o_bfd_copy_private_header_data       _bfd_generic_bfd_copy_private_header_data
+#define bfd_mach_o_core_file_matches_executable_p     generic_core_file_matches_executable_p
+
 
 /* The flags field of a section structure is separated into two parts a section
    type and section attributes.  The section types are mutually exclusive (it
@@ -164,8 +103,7 @@ static const char * bfd_mach_o_ppc_flavour_string
 #define N_INDR 0xa
 
 bfd_boolean
-bfd_mach_o_valid (abfd)
-     bfd *abfd;
+bfd_mach_o_valid (bfd *abfd)
 {
   if (abfd == NULL || abfd->xvec == NULL)
     return 0;
@@ -184,11 +122,10 @@ bfd_mach_o_valid (abfd)
    to the output symbol.  */
 
 static bfd_boolean
-bfd_mach_o_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol)
-     bfd *ibfd ATTRIBUTE_UNUSED;
-     asymbol *isymbol ATTRIBUTE_UNUSED;
-     bfd *obfd ATTRIBUTE_UNUSED;
-     asymbol *osymbol ATTRIBUTE_UNUSED;
+bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
+                                        asymbol *isymbol ATTRIBUTE_UNUSED,
+                                        bfd *obfd ATTRIBUTE_UNUSED,
+                                        asymbol *osymbol ATTRIBUTE_UNUSED)
 {
   return TRUE;
 }
@@ -197,11 +134,10 @@ bfd_mach_o_bfd_copy_private_symbol_data (ibfd, isymbol, obfd, osymbol)
    to the output section.  */
 
 static bfd_boolean
-bfd_mach_o_bfd_copy_private_section_data (ibfd, isection, obfd, osection)
-     bfd *ibfd ATTRIBUTE_UNUSED;
-     asection *isection ATTRIBUTE_UNUSED;
-     bfd *obfd ATTRIBUTE_UNUSED;
-     asection *osection ATTRIBUTE_UNUSED;
+bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
+                                         asection *isection ATTRIBUTE_UNUSED,
+                                         bfd *obfd ATTRIBUTE_UNUSED,
+                                         asection *osection ATTRIBUTE_UNUSED)
 {
   return TRUE;
 }
@@ -210,9 +146,7 @@ bfd_mach_o_bfd_copy_private_section_data (ibfd, isection, obfd, osection)
    to the output bfd.  */
 
 static bfd_boolean
-bfd_mach_o_bfd_copy_private_bfd_data (ibfd, obfd)
-     bfd *ibfd;
-     bfd *obfd;
+bfd_mach_o_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
 {
   BFD_ASSERT (bfd_mach_o_valid (ibfd));
   BFD_ASSERT (bfd_mach_o_valid (obfd));
@@ -223,8 +157,7 @@ bfd_mach_o_bfd_copy_private_bfd_data (ibfd, obfd)
 }
 
 static long
-bfd_mach_o_count_symbols (abfd)
-     bfd *abfd;
+bfd_mach_o_count_symbols (bfd *abfd)
 {
   bfd_mach_o_data_struct *mdata = NULL;
   long nsyms = 0;
@@ -244,8 +177,7 @@ bfd_mach_o_count_symbols (abfd)
 }
 
 static long
-bfd_mach_o_get_symtab_upper_bound (abfd)
-     bfd *abfd;
+bfd_mach_o_get_symtab_upper_bound (bfd *abfd)
 {
   long nsyms = bfd_mach_o_count_symbols (abfd);
 
@@ -256,9 +188,7 @@ bfd_mach_o_get_symtab_upper_bound (abfd)
 }
 
 static long
-bfd_mach_o_canonicalize_symtab (abfd, alocation)
-     bfd *abfd;
-     asymbol **alocation;
+bfd_mach_o_canonicalize_symtab (bfd *abfd, asymbol **alocation)
 {
   bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
   long nsyms = bfd_mach_o_count_symbols (abfd);
@@ -296,20 +226,18 @@ bfd_mach_o_canonicalize_symtab (abfd, alocation)
 }
 
 static void
-bfd_mach_o_get_symbol_info (abfd, symbol, ret)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     asymbol *symbol;
-     symbol_info *ret;
+bfd_mach_o_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED,
+                           asymbol *symbol,
+                           symbol_info *ret)
 {
   bfd_symbol_info (symbol, ret);
 }
 
 static void
-bfd_mach_o_print_symbol (abfd, afile, symbol, how)
-     bfd *abfd;
-     PTR afile;
-     asymbol *symbol;
-     bfd_print_symbol_type how;
+bfd_mach_o_print_symbol (bfd *abfd,
+                        PTR afile,
+                        asymbol *symbol,
+                        bfd_print_symbol_type how)
 {
   FILE *file = (FILE *) afile;
 
@@ -325,11 +253,10 @@ bfd_mach_o_print_symbol (abfd, afile, symbol, how)
 }
 
 static void
-bfd_mach_o_convert_architecture (mtype, msubtype, type, subtype)
-     bfd_mach_o_cpu_type mtype;
-     bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED;
-     enum bfd_architecture *type;
-     unsigned long *subtype;
+bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
+                                bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
+                                enum bfd_architecture *type,
+                                unsigned long *subtype)
 {
   *subtype = bfd_arch_unknown;
 
@@ -359,55 +286,221 @@ bfd_mach_o_convert_architecture (mtype, msubtype, type, subtype)
     }
 }
 
-static bfd_boolean
-bfd_mach_o_write_contents (abfd)
-     bfd *abfd;
+static int
+bfd_mach_o_write_header (bfd *abfd, bfd_mach_o_header *header)
 {
-  unsigned int i;
-  asection *s;
+  unsigned char buf[28];
 
-  bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+  bfd_h_put_32 (abfd, header->magic, buf + 0);
+  bfd_h_put_32 (abfd, header->cputype, buf + 4);
+  bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
+  bfd_h_put_32 (abfd, header->filetype, buf + 12);
+  bfd_h_put_32 (abfd, header->ncmds, buf + 16);
+  bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
+  bfd_h_put_32 (abfd, header->flags, buf + 24);
 
-  /* Write data sections first in case they overlap header data to be
-     written later.  */
+  bfd_seek (abfd, 0, SEEK_SET);
+  if (bfd_bwrite ((PTR) buf, 28, abfd) != 28)
+    return -1;
 
-  for (s = abfd->sections; s != (asection *) NULL; s = s->next)
-    ;
+  return 0;
+}
 
-#if 0
-  for (i = 0; i < mdata->header.ncmds; i++)
+static int
+bfd_mach_o_scan_write_thread (bfd *abfd,
+                             bfd_mach_o_load_command *command)
+{
+  bfd_mach_o_thread_command *cmd = &command->command.thread;
+  unsigned int i;
+  unsigned char buf[8];
+  bfd_vma offset;
+  unsigned int nflavours;
+
+  BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
+             || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
+
+  offset = 8;
+  nflavours = 0;
+  for (i = 0; i < cmd->nflavours; i++)
     {
-      bfd_mach_o_load_command *cur = &mdata->commands[i];
-      if (cur->type != BFD_MACH_O_LC_SEGMENT)
-       break;
+      BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
+      BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
 
-      {
-       bfd_mach_o_segment_command *seg = &cur->command.segment;
-       char buf[1024];
-       bfd_vma nbytes = seg->filesize;
-       bfd_vma curoff = seg->fileoff;
+      bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
+      bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
+
+      bfd_seek (abfd, command->offset + offset, SEEK_SET);
+      if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
+       return -1;
+
+      offset += cmd->flavours[i].size + 8;
+    }
+
+  return 0;
+}
+
+static int
+bfd_mach_o_scan_write_section (bfd *abfd,
+                              bfd_mach_o_section *section,
+                              bfd_vma offset)
+{
+  unsigned char buf[68];
+
+  memcpy (buf, section->sectname, 16);
+  memcpy (buf + 16, section->segname, 16);
+  bfd_h_put_32 (abfd, section->addr, buf + 32);
+  bfd_h_put_32 (abfd, section->size, buf + 36);
+  bfd_h_put_32 (abfd, section->offset, buf + 40);
+  bfd_h_put_32 (abfd, section->align, buf + 44);
+  bfd_h_put_32 (abfd, section->reloff, buf + 48);
+  bfd_h_put_32 (abfd, section->nreloc, buf + 52);
+  bfd_h_put_32 (abfd, section->flags, buf + 56);
+  /* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */
+  /* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */
+
+  bfd_seek (abfd, offset, SEEK_SET);
+  if (bfd_bwrite ((PTR) buf, 68, abfd) != 68)
+    return -1;
+
+  return 0;
+}
 
-       while (nbytes > 0)
-         {
-           bfd_vma thisread = nbytes;
+static int
+bfd_mach_o_scan_write_segment (bfd *abfd, bfd_mach_o_load_command *command)
+{
+  unsigned char buf[48];
+  bfd_mach_o_segment_command *seg = &command->command.segment;
+  unsigned long i;
 
-           if (thisread > 1024)
-             thisread = 1024;
+  BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
+
+  memcpy (buf, seg->segname, 16);
+  bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
+  bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
+  bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
+  bfd_h_put_32 (abfd, seg->filesize, buf + 28);
+  bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32);
+  bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36);
+  bfd_h_put_32 (abfd, seg->nsects, buf + 40);
+  bfd_h_put_32 (abfd, seg->flags, buf + 44);
 
-           bfd_seek (abfd, curoff, SEEK_SET);
-           if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
-             return FALSE;
+  bfd_seek (abfd, command->offset + 8, SEEK_SET);
+  if (bfd_bwrite ((PTR) buf, 48, abfd) != 48)
+    return -1;
 
-           bfd_seek (abfd, curoff, SEEK_SET);
-           if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
-             return FALSE;
+  {
+    char buf[1024];
+    bfd_vma nbytes = seg->filesize;
+    bfd_vma curoff = seg->fileoff;
 
-           nbytes -= thisread;
-           curoff += thisread;
-         }
+    while (nbytes > 0)
+      {
+       bfd_vma thisread = nbytes;
+
+       if (thisread > 1024)
+         thisread = 1024;
+
+       bfd_seek (abfd, curoff, SEEK_SET);
+       if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
+         return -1;
+
+       bfd_seek (abfd, curoff, SEEK_SET);
+       if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
+         return -1;
+
+       nbytes -= thisread;
+       curoff += thisread;
       }
   }
-#endif
+
+  for (i = 0; i < seg->nsects; i++)
+    {
+      bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
+
+      if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0)
+       return -1;
+    }
+
+  return 0;
+}
+
+static int
+bfd_mach_o_scan_write_symtab_symbols (bfd *abfd,
+                                     bfd_mach_o_load_command *command)
+{
+  bfd_mach_o_symtab_command *sym = &command->command.symtab;
+  asymbol *s = NULL;
+  unsigned long i;
+
+  for (i = 0; i < sym->nsyms; i++)
+    {
+      unsigned char buf[12];
+      bfd_vma symoff = sym->symoff + (i * 12);
+      unsigned char ntype = 0;
+      unsigned char nsect = 0;
+      short ndesc = 0;
+
+      s = &sym->symbols[i];
+
+      /* Instead just set from the stored values.  */
+      ntype = (s->udata.i >> 24) & 0xff;
+      nsect = (s->udata.i >> 16) & 0xff;
+      ndesc = s->udata.i & 0xffff;
+
+      bfd_h_put_32 (abfd, s->name - sym->strtab, buf);
+      bfd_h_put_8 (abfd, ntype, buf + 4);
+      bfd_h_put_8 (abfd, nsect, buf + 5);
+      bfd_h_put_16 (abfd, ndesc, buf + 6);
+      bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8);
+
+      bfd_seek (abfd, symoff, SEEK_SET);
+      if (bfd_bwrite ((PTR) buf, 12, abfd) != 12)
+       {
+         fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n",
+                  12, (unsigned long) symoff);
+         return -1;
+       }
+    }
+
+  return 0;
+}
+
+static int
+bfd_mach_o_scan_write_symtab (bfd *abfd, bfd_mach_o_load_command *command)
+{
+  bfd_mach_o_symtab_command *seg = &command->command.symtab;
+  unsigned char buf[16];
+
+  BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
+
+  bfd_h_put_32 (abfd, seg->symoff, buf);
+  bfd_h_put_32 (abfd, seg->nsyms, buf + 4);
+  bfd_h_put_32 (abfd, seg->stroff, buf + 8);
+  bfd_h_put_32 (abfd, seg->strsize, buf + 12);
+
+  bfd_seek (abfd, command->offset + 8, SEEK_SET);
+  if (bfd_bwrite ((PTR) buf, 16, abfd) != 16)
+    return -1;
+
+  if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0)
+    return -1;
+
+  return 0;
+}
+
+static bfd_boolean
+bfd_mach_o_write_contents (bfd *abfd)
+{
+  unsigned int i;
+  asection *s;
+
+  bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
+
+  /* Write data sections first in case they overlap header data to be
+     written later.  */
+
+  for (s = abfd->sections; s != (asection *) NULL; s = s->next)
+    ;
 
   /* Now write header information.  */
   if (bfd_mach_o_write_header (abfd, &mdata->header) != 0)
@@ -472,9 +565,8 @@ bfd_mach_o_write_contents (abfd)
 }
 
 static int
-bfd_mach_o_sizeof_headers (a, b)
-     bfd *a ATTRIBUTE_UNUSED;
-     bfd_boolean b ATTRIBUTE_UNUSED;
+bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
+                          struct bfd_link_info *info ATTRIBUTE_UNUSED)
 {
   return 0;
 }
@@ -483,12 +575,11 @@ bfd_mach_o_sizeof_headers (a, b)
    bfd_make_section_anyway wants to create a symbol for the section.  */
 
 static asymbol *
-bfd_mach_o_make_empty_symbol (abfd)
-     bfd *abfd;
+bfd_mach_o_make_empty_symbol (bfd *abfd)
 {
   asymbol *new;
 
-  new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
+  new = bfd_zalloc (abfd, sizeof (* new));
   if (new == NULL)
     return new;
   new->the_bfd = abfd;
@@ -496,31 +587,7 @@ bfd_mach_o_make_empty_symbol (abfd)
 }
 
 static int
-bfd_mach_o_write_header (abfd, header)
-     bfd *abfd;
-     bfd_mach_o_header *header;
-{
-  unsigned char buf[28];
-
-  bfd_h_put_32 (abfd, header->magic, buf + 0);
-  bfd_h_put_32 (abfd, header->cputype, buf + 4);
-  bfd_h_put_32 (abfd, header->cpusubtype, buf + 8);
-  bfd_h_put_32 (abfd, header->filetype, buf + 12);
-  bfd_h_put_32 (abfd, header->ncmds, buf + 16);
-  bfd_h_put_32 (abfd, header->sizeofcmds, buf + 20);
-  bfd_h_put_32 (abfd, header->flags, buf + 24);
-
-  bfd_seek (abfd, 0, SEEK_SET);
-  if (bfd_bwrite ((PTR) buf, 28, abfd) != 28)
-    return -1;
-
-  return 0;
-}
-
-static int
-bfd_mach_o_read_header (abfd, header)
-     bfd *abfd;
-     bfd_mach_o_header *header;
+bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
 {
   unsigned char buf[28];
   bfd_vma (*get32) (const void *) = NULL;
@@ -559,47 +626,43 @@ bfd_mach_o_read_header (abfd, header)
 }
 
 static asection *
-bfd_mach_o_make_bfd_section (abfd, section)
-     bfd *abfd;
-     bfd_mach_o_section *section;
+bfd_mach_o_make_bfd_section (bfd *abfd, bfd_mach_o_section *section)
 {
   asection *bfdsec;
   char *sname;
   const char *prefix = "LC_SEGMENT";
   unsigned int snamelen;
+  flagword flags;
 
   snamelen = strlen (prefix) + 1
     + strlen (section->segname) + 1
     + strlen (section->sectname) + 1;
 
-  sname = (char *) bfd_alloc (abfd, snamelen);
+  sname = bfd_alloc (abfd, snamelen);
   if (sname == NULL)
     return NULL;
   sprintf (sname, "%s.%s.%s", prefix, section->segname, section->sectname);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  flags = SEC_ALLOC;
+  if (!(section->flags & BFD_MACH_O_S_ZEROFILL))
+    flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
   if (bfdsec == NULL)
     return NULL;
 
   bfdsec->vma = section->addr;
   bfdsec->lma = section->addr;
-  bfdsec->_raw_size = section->size;
+  bfdsec->size = section->size;
   bfdsec->filepos = section->offset;
   bfdsec->alignment_power = section->align;
 
-  if (section->flags & BFD_MACH_O_S_ZEROFILL)
-    bfdsec->flags = SEC_ALLOC;
-  else
-    bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
-
   return bfdsec;
 }
 
 static int
-bfd_mach_o_scan_read_section (abfd, section, offset)
-     bfd *abfd;
-     bfd_mach_o_section *section;
-     bfd_vma offset;
+bfd_mach_o_scan_read_section (bfd *abfd,
+                             bfd_mach_o_section *section,
+                             bfd_vma offset)
 {
   unsigned char buf[68];
 
@@ -628,96 +691,11 @@ bfd_mach_o_scan_read_section (abfd, section, offset)
   return 0;
 }
 
-static int
-bfd_mach_o_scan_write_section (abfd, section, offset)
-     bfd *abfd;
-     bfd_mach_o_section *section;
-     bfd_vma offset;
-{
-  unsigned char buf[68];
-
-  memcpy (buf, section->sectname, 16);
-  memcpy (buf + 16, section->segname, 16);
-  bfd_h_put_32 (abfd, section->addr, buf + 32);
-  bfd_h_put_32 (abfd, section->size, buf + 36);
-  bfd_h_put_32 (abfd, section->offset, buf + 40);
-  bfd_h_put_32 (abfd, section->align, buf + 44);
-  bfd_h_put_32 (abfd, section->reloff, buf + 48);
-  bfd_h_put_32 (abfd, section->nreloc, buf + 52);
-  bfd_h_put_32 (abfd, section->flags, buf + 56);
-  /* bfd_h_put_32 (abfd, section->reserved1, buf + 60); */
-  /* bfd_h_put_32 (abfd, section->reserved2, buf + 64); */
-
-  bfd_seek (abfd, offset, SEEK_SET);
-  if (bfd_bwrite ((PTR) buf, 68, abfd) != 68)
-    return -1;
-
-  return 0;
-}
-
-static int
-bfd_mach_o_scan_write_symtab_symbols (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
-{
-  bfd_mach_o_symtab_command *sym = &command->command.symtab;
-  asymbol *s = NULL;
-  unsigned long i;
-
-  for (i = 0; i < sym->nsyms; i++)
-    {
-      unsigned char buf[12];
-      bfd_vma symoff = sym->symoff + (i * 12);
-      unsigned char ntype = 0;
-      unsigned char nsect = 0;
-      short ndesc = 0;
-
-      s = &sym->symbols[i];
-
-      /* Don't set this from the symbol information; use stored values.  */
-#if 0
-      if (s->flags & BSF_GLOBAL)
-       ntype |= N_EXT;
-      if (s->flags & BSF_DEBUGGING)
-       ntype |= N_STAB;
-
-      if (s->section == bfd_und_section_ptr)
-       ntype |= N_UNDF;
-      else if (s->section == bfd_abs_section_ptr)
-       ntype |= N_ABS;
-      else
-       ntype |= N_SECT;
-#endif
-
-      /* Instead just set from the stored values.  */
-      ntype = (s->udata.i >> 24) & 0xff;
-      nsect = (s->udata.i >> 16) & 0xff;
-      ndesc = s->udata.i & 0xffff;
-
-      bfd_h_put_32 (abfd, s->name - sym->strtab, buf);
-      bfd_h_put_8 (abfd, ntype, buf + 4);
-      bfd_h_put_8 (abfd, nsect, buf + 5);
-      bfd_h_put_16 (abfd, ndesc, buf + 6);
-      bfd_h_put_32 (abfd, s->section->vma + s->value, buf + 8);
-
-      bfd_seek (abfd, symoff, SEEK_SET);
-      if (bfd_bwrite ((PTR) buf, 12, abfd) != 12)
-       {
-         fprintf (stderr, "bfd_mach_o_scan_write_symtab_symbols: unable to write %d bytes at %lu\n",
-                  12, (unsigned long) symoff);
-         return -1;
-       }
-    }
-
-  return 0;
-}
-
 int
-bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i)
-     bfd *abfd;
-     bfd_mach_o_symtab_command *sym;
-     asymbol *s;
-     unsigned long i;
+bfd_mach_o_scan_read_symtab_symbol (bfd *abfd,
+                                   bfd_mach_o_symtab_command *sym,
+                                   asymbol *s,
+                                   unsigned long i)
 {
   bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
   bfd_vma symoff = sym->symoff + (i * 12);
@@ -826,9 +804,8 @@ bfd_mach_o_scan_read_symtab_symbol (abfd, sym, s, i)
 }
 
 int
-bfd_mach_o_scan_read_symtab_strtab (abfd, sym)
-     bfd *abfd;
-     bfd_mach_o_symtab_command *sym;
+bfd_mach_o_scan_read_symtab_strtab (bfd *abfd,
+                                   bfd_mach_o_symtab_command *sym)
 {
   BFD_ASSERT (sym->strtab == NULL);
 
@@ -843,7 +820,7 @@ bfd_mach_o_scan_read_symtab_strtab (abfd, sym)
          bfd_set_error (bfd_error_file_truncated);
          return -1;
        }
-      sym->strtab = b->buffer + sym->stroff;
+      sym->strtab = (char *) b->buffer + sym->stroff;
       return 0;
     }
 
@@ -863,9 +840,8 @@ bfd_mach_o_scan_read_symtab_strtab (abfd, sym)
 }
 
 int
-bfd_mach_o_scan_read_symtab_symbols (abfd, sym)
-     bfd *abfd;
-     bfd_mach_o_symtab_command *sym;
+bfd_mach_o_scan_read_symtab_symbols (bfd *abfd,
+                                    bfd_mach_o_symtab_command *sym)
 {
   unsigned long i;
   int ret;
@@ -894,12 +870,11 @@ bfd_mach_o_scan_read_symtab_symbols (abfd, sym)
 }
 
 int
-bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i)
-     bfd *abfd;
-     bfd_mach_o_dysymtab_command *dysym;
-     bfd_mach_o_symtab_command *sym;
-     asymbol *s;
-     unsigned long i;
+bfd_mach_o_scan_read_dysymtab_symbol (bfd *abfd,
+                                     bfd_mach_o_dysymtab_command *dysym,
+                                     bfd_mach_o_symtab_command *sym,
+                                     asymbol *s,
+                                     unsigned long i)
 {
   unsigned long isymoff = dysym->indirectsymoff + (i * 4);
   unsigned long symindex;
@@ -920,8 +895,7 @@ bfd_mach_o_scan_read_dysymtab_symbol (abfd, dysym, sym, s, i)
 }
 
 static const char *
-bfd_mach_o_i386_flavour_string (flavour)
-     unsigned int flavour;
+bfd_mach_o_i386_flavour_string (unsigned int flavour)
 {
   switch ((int) flavour)
     {
@@ -942,8 +916,7 @@ bfd_mach_o_i386_flavour_string (flavour)
 }
 
 static const char *
-bfd_mach_o_ppc_flavour_string (flavour)
-     unsigned int flavour;
+bfd_mach_o_ppc_flavour_string (unsigned int flavour)
 {
   switch ((int) flavour)
     {
@@ -956,43 +929,8 @@ bfd_mach_o_ppc_flavour_string (flavour)
 }
 
 static int
-bfd_mach_o_scan_write_thread (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
-{
-  bfd_mach_o_thread_command *cmd = &command->command.thread;
-  unsigned int i;
-  unsigned char buf[8];
-  bfd_vma offset;
-  unsigned int nflavours;
-
-  BFD_ASSERT ((command->type == BFD_MACH_O_LC_THREAD)
-             || (command->type == BFD_MACH_O_LC_UNIXTHREAD));
-
-  offset = 8;
-  nflavours = 0;
-  for (i = 0; i < cmd->nflavours; i++)
-    {
-      BFD_ASSERT ((cmd->flavours[i].size % 4) == 0);
-      BFD_ASSERT (cmd->flavours[i].offset == (command->offset + offset + 8));
-
-      bfd_h_put_32 (abfd, cmd->flavours[i].flavour, buf);
-      bfd_h_put_32 (abfd, (cmd->flavours[i].size / 4), buf + 4);
-
-      bfd_seek (abfd, command->offset + offset, SEEK_SET);
-      if (bfd_bwrite ((PTR) buf, 8, abfd) != 8)
-       return -1;
-
-      offset += cmd->flavours[i].size + 8;
-    }
-
-  return 0;
-}
-
-static int
-bfd_mach_o_scan_read_dylinker (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_dylinker (bfd *abfd,
+                              bfd_mach_o_load_command *command)
 {
   bfd_mach_o_dylinker_command *cmd = &command->command.dylinker;
   unsigned char buf[4];
@@ -1020,21 +958,20 @@ bfd_mach_o_scan_read_dylinker (abfd, command)
   else
     abort ();
 
-  sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
+  sname = bfd_alloc (abfd, strlen (prefix) + 1);
   if (sname == NULL)
     return -1;
   strcpy (sname, prefix);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
   if (bfdsec == NULL)
     return -1;
 
   bfdsec->vma = 0;
   bfdsec->lma = 0;
-  bfdsec->_raw_size = command->len - 8;
+  bfdsec->size = command->len - 8;
   bfdsec->filepos = command->offset + 8;
   bfdsec->alignment_power = 0;
-  bfdsec->flags = SEC_HAS_CONTENTS;
 
   cmd->section = bfdsec;
 
@@ -1042,9 +979,7 @@ bfd_mach_o_scan_read_dylinker (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_read_dylib (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_dylib (bfd *abfd, bfd_mach_o_load_command *command)
 {
   bfd_mach_o_dylib_command *cmd = &command->command.dylib;
   unsigned char buf[16];
@@ -1078,21 +1013,20 @@ bfd_mach_o_scan_read_dylib (abfd, command)
   else
     abort ();
 
-  sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
+  sname = bfd_alloc (abfd, strlen (prefix) + 1);
   if (sname == NULL)
     return -1;
   strcpy (sname, prefix);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
   if (bfdsec == NULL)
     return -1;
 
   bfdsec->vma = 0;
   bfdsec->lma = 0;
-  bfdsec->_raw_size = command->len - 8;
+  bfdsec->size = command->len - 8;
   bfdsec->filepos = command->offset + 8;
   bfdsec->alignment_power = 0;
-  bfdsec->flags = SEC_HAS_CONTENTS;
 
   cmd->section = bfdsec;
 
@@ -1100,9 +1034,8 @@ bfd_mach_o_scan_read_dylib (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_read_prebound_dylib (abfd, command)
-     bfd *abfd ATTRIBUTE_UNUSED;
-     bfd_mach_o_load_command *command ATTRIBUTE_UNUSED;
+bfd_mach_o_scan_read_prebound_dylib (bfd *abfd ATTRIBUTE_UNUSED,
+                                    bfd_mach_o_load_command *command ATTRIBUTE_UNUSED)
 {
   /* bfd_mach_o_prebound_dylib_command *cmd = &command->command.prebound_dylib; */
 
@@ -1111,9 +1044,7 @@ bfd_mach_o_scan_read_prebound_dylib (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_read_thread (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
 {
   bfd_mach_o_data_struct *mdata = NULL;
   bfd_mach_o_thread_command *cmd = &command->command.thread;
@@ -1144,9 +1075,7 @@ bfd_mach_o_scan_read_thread (abfd, command)
       nflavours++;
     }
 
-  cmd->flavours =
-    ((bfd_mach_o_thread_flavour *)
-     bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour)));
+  cmd->flavours = bfd_alloc (abfd, nflavours * sizeof (bfd_mach_o_thread_flavour));
   if (cmd->flavours == NULL)
     return -1;
   cmd->nflavours = nflavours;
@@ -1196,7 +1125,7 @@ bfd_mach_o_scan_read_thread (abfd, command)
        }
 
       snamelen = strlen (prefix) + 1 + 20 + 1 + strlen (flavourstr) + 1;
-      sname = (char *) bfd_alloc (abfd, snamelen);
+      sname = bfd_alloc (abfd, snamelen);
       if (sname == NULL)
        return -1;
 
@@ -1208,14 +1137,13 @@ bfd_mach_o_scan_read_thread (abfd, command)
          j++;
        }
 
-      bfdsec = bfd_make_section (abfd, sname);
+      bfdsec = bfd_make_section_with_flags (abfd, sname, SEC_HAS_CONTENTS);
 
       bfdsec->vma = 0;
       bfdsec->lma = 0;
-      bfdsec->_raw_size = cmd->flavours[i].size;
+      bfdsec->size = cmd->flavours[i].size;
       bfdsec->filepos = cmd->flavours[i].offset;
       bfdsec->alignment_power = 0x0;
-      bfdsec->flags = SEC_HAS_CONTENTS;
 
       cmd->section = bfdsec;
     }
@@ -1224,34 +1152,7 @@ bfd_mach_o_scan_read_thread (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_write_symtab (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
-{
-  bfd_mach_o_symtab_command *seg = &command->command.symtab;
-  unsigned char buf[16];
-
-  BFD_ASSERT (command->type == BFD_MACH_O_LC_SYMTAB);
-
-  bfd_h_put_32 (abfd, seg->symoff, buf);
-  bfd_h_put_32 (abfd, seg->nsyms, buf + 4);
-  bfd_h_put_32 (abfd, seg->stroff, buf + 8);
-  bfd_h_put_32 (abfd, seg->strsize, buf + 12);
-
-  bfd_seek (abfd, command->offset + 8, SEEK_SET);
-  if (bfd_bwrite ((PTR) buf, 16, abfd) != 16)
-    return -1;
-
-  if (bfd_mach_o_scan_write_symtab_symbols (abfd, command) != 0)
-    return -1;
-
-  return 0;
-}
-
-static int
-bfd_mach_o_scan_read_dysymtab (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
 {
   bfd_mach_o_dysymtab_command *seg = &command->command.dysymtab;
   unsigned char buf[72];
@@ -1285,9 +1186,7 @@ bfd_mach_o_scan_read_dysymtab (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_read_symtab (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_symtab (bfd *abfd, bfd_mach_o_load_command *command)
 {
   bfd_mach_o_symtab_command *seg = &command->command.symtab;
   unsigned char buf[16];
@@ -1308,40 +1207,38 @@ bfd_mach_o_scan_read_symtab (abfd, command)
   seg->symbols = NULL;
   seg->strtab = NULL;
 
-  sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
+  sname = bfd_alloc (abfd, strlen (prefix) + 1);
   if (sname == NULL)
     return -1;
   strcpy (sname, prefix);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
   if (bfdsec == NULL)
     return -1;
 
   bfdsec->vma = 0;
   bfdsec->lma = 0;
-  bfdsec->_raw_size = seg->nsyms * 12;
+  bfdsec->size = seg->nsyms * 12;
   bfdsec->filepos = seg->symoff;
   bfdsec->alignment_power = 0;
-  bfdsec->flags = SEC_HAS_CONTENTS;
 
   seg->stabs_segment = bfdsec;
 
   prefix = "LC_SYMTAB.stabstr";
-  sname = (char *) bfd_alloc (abfd, strlen (prefix) + 1);
+  sname = bfd_alloc (abfd, strlen (prefix) + 1);
   if (sname == NULL)
     return -1;
   strcpy (sname, prefix);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, SEC_HAS_CONTENTS);
   if (bfdsec == NULL)
     return -1;
 
   bfdsec->vma = 0;
   bfdsec->lma = 0;
-  bfdsec->_raw_size = seg->strsize;
+  bfdsec->size = seg->strsize;
   bfdsec->filepos = seg->stroff;
   bfdsec->alignment_power = 0;
-  bfdsec->flags = SEC_HAS_CONTENTS;
 
   seg->stabstr_segment = bfdsec;
 
@@ -1349,9 +1246,7 @@ bfd_mach_o_scan_read_symtab (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_read_segment (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_segment (bfd *abfd, bfd_mach_o_load_command *command)
 {
   unsigned char buf[48];
   bfd_mach_o_segment_command *seg = &command->command.segment;
@@ -1360,6 +1255,7 @@ bfd_mach_o_scan_read_segment (abfd, command)
   char *sname;
   const char *prefix = "LC_SEGMENT";
   unsigned int snamelen;
+  flagword flags;
 
   BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
 
@@ -1378,29 +1274,27 @@ bfd_mach_o_scan_read_segment (abfd, command)
   seg->flags = bfd_h_get_32 (abfd, buf + 44);
 
   snamelen = strlen (prefix) + 1 + strlen (seg->segname) + 1;
-  sname = (char *) bfd_alloc (abfd, snamelen);
+  sname = bfd_alloc (abfd, snamelen);
   if (sname == NULL)
     return -1;
   sprintf (sname, "%s.%s", prefix, seg->segname);
 
-  bfdsec = bfd_make_section_anyway (abfd, sname);
+  flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
+  bfdsec = bfd_make_section_anyway_with_flags (abfd, sname, flags);
   if (bfdsec == NULL)
     return -1;
 
   bfdsec->vma = seg->vmaddr;
   bfdsec->lma = seg->vmaddr;
-  bfdsec->_raw_size = seg->filesize;
+  bfdsec->size = seg->filesize;
   bfdsec->filepos = seg->fileoff;
   bfdsec->alignment_power = 0x0;
-  bfdsec->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE;
 
   seg->segment = bfdsec;
 
   if (seg->nsects != 0)
     {
-      seg->sections =
-       ((bfd_mach_o_section *)
-        bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section)));
+      seg->sections = bfd_alloc (abfd, seg->nsects * sizeof (bfd_mach_o_section));
       if (seg->sections == NULL)
        return -1;
 
@@ -1418,70 +1312,7 @@ bfd_mach_o_scan_read_segment (abfd, command)
 }
 
 static int
-bfd_mach_o_scan_write_segment (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
-{
-  unsigned char buf[48];
-  bfd_mach_o_segment_command *seg = &command->command.segment;
-  unsigned long i;
-
-  BFD_ASSERT (command->type == BFD_MACH_O_LC_SEGMENT);
-
-  memcpy (buf, seg->segname, 16);
-  bfd_h_put_32 (abfd, seg->vmaddr, buf + 16);
-  bfd_h_put_32 (abfd, seg->vmsize, buf + 20);
-  bfd_h_put_32 (abfd, seg->fileoff, buf + 24);
-  bfd_h_put_32 (abfd, seg->filesize, buf + 28);
-  bfd_h_put_32 (abfd, 0 /* seg->maxprot */, buf + 32);
-  bfd_h_put_32 (abfd, 0 /* seg->initprot */, buf + 36);
-  bfd_h_put_32 (abfd, seg->nsects, buf + 40);
-  bfd_h_put_32 (abfd, seg->flags, buf + 44);
-
-  bfd_seek (abfd, command->offset + 8, SEEK_SET);
-  if (bfd_bwrite ((PTR) buf, 48, abfd) != 48)
-    return -1;
-
-  {
-    char buf[1024];
-    bfd_vma nbytes = seg->filesize;
-    bfd_vma curoff = seg->fileoff;
-
-    while (nbytes > 0)
-      {
-       bfd_vma thisread = nbytes;
-
-       if (thisread > 1024)
-         thisread = 1024;
-
-       bfd_seek (abfd, curoff, SEEK_SET);
-       if (bfd_bread ((PTR) buf, thisread, abfd) != thisread)
-         return -1;
-
-       bfd_seek (abfd, curoff, SEEK_SET);
-       if (bfd_bwrite ((PTR) buf, thisread, abfd) != thisread)
-         return -1;
-
-       nbytes -= thisread;
-       curoff += thisread;
-      }
-  }
-
-  for (i = 0; i < seg->nsects; i++)
-    {
-      bfd_vma segoff = command->offset + 48 + 8 + (i * 68);
-
-      if (bfd_mach_o_scan_write_section (abfd, &seg->sections[i], segoff) != 0)
-       return -1;
-    }
-
-  return 0;
-}
-
-static int
-bfd_mach_o_scan_read_command (abfd, command)
-     bfd *abfd;
-     bfd_mach_o_load_command *command;
+bfd_mach_o_scan_read_command (bfd *abfd, bfd_mach_o_load_command *command)
 {
   unsigned char buf[8];
 
@@ -1554,8 +1385,7 @@ bfd_mach_o_scan_read_command (abfd, command)
 }
 
 static void
-bfd_mach_o_flatten_sections (abfd)
-     bfd *abfd;
+bfd_mach_o_flatten_sections (bfd *abfd)
 {
   bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
   long csect = 0;
@@ -1594,8 +1424,7 @@ bfd_mach_o_flatten_sections (abfd)
 }
 
 int
-bfd_mach_o_scan_start_address (abfd)
-     bfd *abfd;
+bfd_mach_o_scan_start_address (bfd *abfd)
 {
   bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
   bfd_mach_o_thread_command *cmd = NULL;
@@ -1649,10 +1478,9 @@ bfd_mach_o_scan_start_address (abfd)
 }
 
 int
-bfd_mach_o_scan (abfd, header, mdata)
-     bfd *abfd;
-     bfd_mach_o_header *header;
-     bfd_mach_o_data_struct *mdata;
+bfd_mach_o_scan (bfd *abfd,
+                bfd_mach_o_header *header,
+                bfd_mach_o_data_struct *mdata)
 {
   unsigned int i;
   enum bfd_architecture cputype;
@@ -1678,9 +1506,7 @@ bfd_mach_o_scan (abfd, header, mdata)
 
   if (header->ncmds != 0)
     {
-      mdata->commands =
-       ((bfd_mach_o_load_command *)
-        bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command)));
+      mdata->commands = bfd_alloc (abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
       if (mdata->commands == NULL)
        return -1;
 
@@ -1702,28 +1528,18 @@ bfd_mach_o_scan (abfd, header, mdata)
     }
 
   if (bfd_mach_o_scan_start_address (abfd) < 0)
-    {
-#if 0
-      fprintf (stderr, "bfd_mach_o_scan: unable to scan start address: %s\n",
-              bfd_errmsg (bfd_get_error ()));
-      abfd->tdata.mach_o_data = NULL;
-      return -1;
-#endif
-    }
+    return -1;
 
   bfd_mach_o_flatten_sections (abfd);
-
   return 0;
 }
 
 bfd_boolean
-bfd_mach_o_mkobject (abfd)
-     bfd *abfd;
+bfd_mach_o_mkobject (bfd *abfd)
 {
   bfd_mach_o_data_struct *mdata = NULL;
 
-  mdata = ((bfd_mach_o_data_struct *)
-          bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct)));
+  mdata = bfd_alloc (abfd, sizeof (bfd_mach_o_data_struct));
   if (mdata == NULL)
     return FALSE;
   abfd->tdata.mach_o_data = mdata;
@@ -1747,8 +1563,7 @@ bfd_mach_o_mkobject (abfd)
 }
 
 const bfd_target *
-bfd_mach_o_object_p (abfd)
-     bfd *abfd;
+bfd_mach_o_object_p (bfd *abfd)
 {
   struct bfd_preserve preserve;
   bfd_mach_o_header header;
@@ -1795,8 +1610,7 @@ bfd_mach_o_object_p (abfd)
 }
 
 const bfd_target *
-bfd_mach_o_core_p (abfd)
-     bfd *abfd;
+bfd_mach_o_core_p (bfd *abfd)
 {
   struct bfd_preserve preserve;
   bfd_mach_o_header header;
@@ -1863,8 +1677,7 @@ typedef struct mach_o_fat_data_struct
 } mach_o_fat_data_struct;
 
 const bfd_target *
-bfd_mach_o_archive_p (abfd)
-     bfd *abfd;
+bfd_mach_o_archive_p (bfd *abfd)
 {
   mach_o_fat_data_struct *adata = NULL;
   unsigned char buf[20];
@@ -1874,8 +1687,7 @@ bfd_mach_o_archive_p (abfd)
   if (bfd_bread ((PTR) buf, 8, abfd) != 8)
     goto error;
 
-  adata = (mach_o_fat_data_struct *)
-    bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
+  adata = bfd_alloc (abfd, sizeof (mach_o_fat_data_struct));
   if (adata == NULL)
     goto error;
 
@@ -1884,7 +1696,7 @@ bfd_mach_o_archive_p (abfd)
   if (adata->magic != 0xcafebabe)
     goto error;
 
-  adata->archentries = (mach_o_fat_archentry *)
+  adata->archentries = 
     bfd_alloc (abfd, adata->nfat_arch * sizeof (mach_o_fat_archentry));
   if (adata->archentries == NULL)
     goto error;
@@ -1914,9 +1726,7 @@ bfd_mach_o_archive_p (abfd)
 }
 
 bfd *
-bfd_mach_o_openr_next_archived_file (archive, prev)
-  bfd *archive;
-  bfd *prev;
+bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
 {
   mach_o_fat_data_struct *adata;
   mach_o_fat_archentry *entry = NULL;
@@ -1974,11 +1784,10 @@ bfd_mach_o_openr_next_archived_file (archive, prev)
 }
 
 int
-bfd_mach_o_lookup_section (abfd, section, mcommand, msection)
-     bfd *abfd;
-     asection *section;
-     bfd_mach_o_load_command **mcommand;
-     bfd_mach_o_section **msection;
+bfd_mach_o_lookup_section (bfd *abfd,
+                          asection *section,
+                          bfd_mach_o_load_command **mcommand,
+                          bfd_mach_o_section **msection)
 {
   struct mach_o_data_struct *md = abfd->tdata.mach_o_data;
   unsigned int i, j, num;
@@ -2025,10 +1834,9 @@ bfd_mach_o_lookup_section (abfd, section, mcommand, msection)
 }
 
 int
-bfd_mach_o_lookup_command (abfd, type, mcommand)
-     bfd *abfd;
-     bfd_mach_o_load_command_type type;
-     bfd_mach_o_load_command **mcommand;
+bfd_mach_o_lookup_command (bfd *abfd,
+                          bfd_mach_o_load_command_type type,
+                          bfd_mach_o_load_command **mcommand)
 {
   struct mach_o_data_struct *md = NULL;
   bfd_mach_o_load_command *ncmd = NULL;
@@ -2057,8 +1865,7 @@ bfd_mach_o_lookup_command (abfd, type, mcommand)
 }
 
 unsigned long
-bfd_mach_o_stack_addr (type)
-     enum bfd_mach_o_cpu_type type;
+bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
 {
   switch (type)
     {
@@ -2082,10 +1889,9 @@ bfd_mach_o_stack_addr (type)
 }
 
 int
-bfd_mach_o_core_fetch_environment (abfd, rbuf, rlen)
-     bfd *abfd;
-     unsigned char **rbuf;
-     unsigned int *rlen;
+bfd_mach_o_core_fetch_environment (bfd *abfd,
+                                  unsigned char **rbuf,
+                                  unsigned int *rlen)
 {
   bfd_mach_o_data_struct *mdata = abfd->tdata.mach_o_data;
   unsigned long stackaddr = bfd_mach_o_stack_addr (mdata->header.cputype);
@@ -2162,8 +1968,7 @@ bfd_mach_o_core_fetch_environment (abfd, rbuf, rlen)
 }
 
 char *
-bfd_mach_o_core_file_failing_command (abfd)
-     bfd *abfd;
+bfd_mach_o_core_file_failing_command (bfd *abfd)
 {
   unsigned char *buf = NULL;
   unsigned int len = 0;
@@ -2173,28 +1978,19 @@ bfd_mach_o_core_file_failing_command (abfd)
   if (ret < 0)
     return NULL;
 
-  return buf;
+  return (char *) buf;
 }
 
 int
-bfd_mach_o_core_file_failing_signal (abfd)
-     bfd *abfd ATTRIBUTE_UNUSED;
+bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
 {
   return 0;
 }
 
-bfd_boolean
-bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd)
-     bfd *core_bfd ATTRIBUTE_UNUSED;
-     bfd *exec_bfd ATTRIBUTE_UNUSED;
-{
-  return TRUE;
-}
-
-#define TARGET_NAME mach_o_be_vec
-#define TARGET_STRING "mach-o-be"
-#define TARGET_BIG_ENDIAN 1
-#define TARGET_ARCHIVE 0
+#define TARGET_NAME            mach_o_be_vec
+#define TARGET_STRING          "mach-o-be"
+#define TARGET_BIG_ENDIAN      1
+#define TARGET_ARCHIVE                 0
 
 #include "mach-o-target.c"
 
@@ -2203,10 +1999,10 @@ bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd)
 #undef TARGET_BIG_ENDIAN
 #undef TARGET_ARCHIVE
 
-#define TARGET_NAME mach_o_le_vec
-#define TARGET_STRING "mach-o-le"
-#define TARGET_BIG_ENDIAN 0
-#define TARGET_ARCHIVE 0
+#define TARGET_NAME            mach_o_le_vec
+#define TARGET_STRING          "mach-o-le"
+#define TARGET_BIG_ENDIAN      0
+#define TARGET_ARCHIVE                 0
 
 #include "mach-o-target.c"
 
@@ -2215,10 +2011,10 @@ bfd_mach_o_core_file_matches_executable_p (core_bfd, exec_bfd)
 #undef TARGET_BIG_ENDIAN
 #undef TARGET_ARCHIVE
 
-#define TARGET_NAME mach_o_fat_vec
-#define TARGET_STRING "mach-o-fat"
-#define TARGET_BIG_ENDIAN 1
-#define TARGET_ARCHIVE 1
+#define TARGET_NAME            mach_o_fat_vec
+#define TARGET_STRING          "mach-o-fat"
+#define TARGET_BIG_ENDIAN      1
+#define TARGET_ARCHIVE                 1
 
 #include "mach-o-target.c"
 
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