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[deliverable/binutils-gdb.git] / bfd / peicode.h

diff --git a/bfd/peicode.h b/bfd/peicode.h
index e8357922b1c3ba8c46135576212ce3e28905f9ae..8fd689c38ec9ba04f3857cb1d052b15ee563aeca 100644 (file)
--- a/bfd/peicode.h
+++ b/bfd/peicode.h
@@ -1,7 +1,5 @@
 /* Support for the generic parts of PE/PEI, for BFD.
-   Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-2014 Free Software Foundation, Inc.
    Written by Cygnus Solutions.
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -123,6 +121,9 @@ typedef struct
 }
 pe_ILF_vars;
 #endif /* COFF_IMAGE_WITH_PE */
+
+const bfd_target *coff_real_object_p
+  (bfd *, unsigned, struct internal_filehdr *, struct internal_aouthdr *);
 \f
 #ifndef NO_COFF_RELOCS
 static void
@@ -149,7 +150,7 @@ coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
   H_PUT_32 (abfd, reloc_src->r_symndx, reloc_dst->r_symndx);
   H_PUT_16 (abfd, reloc_src->r_type, reloc_dst->r_type);
 
-#ifdef SWAP_OUT_RELOC_OFFSET 
+#ifdef SWAP_OUT_RELOC_OFFSET
   SWAP_OUT_RELOC_OFFSET (abfd, reloc_src->r_offset, reloc_dst->r_offset);
 #endif
 #ifdef SWAP_OUT_RELOC_EXTRA
@@ -159,6 +160,11 @@ coff_swap_reloc_out (bfd * abfd, void * src, void * dst)
 }
 #endif /* not NO_COFF_RELOCS */
 
+#ifdef COFF_IMAGE_WITH_PE
+#undef FILHDR
+#define FILHDR struct external_PEI_IMAGE_hdr
+#endif
+
 static void
 coff_swap_filehdr_in (bfd * abfd, void * src, void * dst)
 {
@@ -350,7 +356,7 @@ pe_bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd)
       && pe_data (ibfd) != NULL
       && pe_data (ibfd)->real_flags & IMAGE_FILE_LARGE_ADDRESS_AWARE)
     pe_data (obfd)->real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
-      
+
   if (!_bfd_XX_bfd_copy_private_bfd_data_common (ibfd, obfd))
     return FALSE;
 
@@ -602,7 +608,7 @@ pe_ILF_make_a_section (pe_ILF_vars * vars,
 
   bfd_set_section_flags (vars->abfd, sec, flags | extra_flags);
 
-  bfd_set_section_alignment (vars->abfd, sec, 2);
+  (void) bfd_set_section_alignment (vars->abfd, sec, 2);
 
   /* Check that we will not run out of space.  */
   BFD_ASSERT (vars->data + size < vars->bim->buffer + vars->bim->size);
@@ -885,14 +891,14 @@ pe_ILF_build_a_bfd (bfd *           abfd,
       if (import_name_type != IMPORT_NAME)
        {
          char c = symbol[0];
-         
+
          /* Check that we don't remove for targets with empty
             USER_LABEL_PREFIX the leading underscore.  */
          if ((c == '_' && abfd->xvec->symbol_leading_char != 0)
              || c == '@' || c == '?')
            symbol++;
        }
-      
+
       len = strlen (symbol);
       if (import_name_type == IMPORT_NAME_UNDECORATE)
        {
@@ -1248,6 +1254,9 @@ pe_bfd_object_p (bfd * abfd)
   bfd_byte buffer[4];
   struct external_PEI_DOS_hdr dos_hdr;
   struct external_PEI_IMAGE_hdr image_hdr;
+  struct internal_filehdr internal_f;
+  struct internal_aouthdr internal_a;
+  file_ptr opt_hdr_size;
   file_ptr offset;
 
   /* Detect if this a Microsoft Import Library Format element.  */
@@ -1303,17 +1312,38 @@ pe_bfd_object_p (bfd * abfd)
       return NULL;
     }
 
-  /* Here is the hack.  coff_object_p wants to read filhsz bytes to
-     pick up the COFF header for PE, see "struct external_PEI_filehdr"
-     in include/coff/pe.h.  We adjust so that that will work. */
-  if (bfd_seek (abfd, (file_ptr) (offset - sizeof (dos_hdr)), SEEK_SET) != 0)
+  /* Swap file header, so that we get the location for calling
+     real_object_p.  */
+  bfd_coff_swap_filehdr_in (abfd, (PTR)&image_hdr, &internal_f);
+
+  if (! bfd_coff_bad_format_hook (abfd, &internal_f)
+      || internal_f.f_opthdr > bfd_coff_aoutsz (abfd))
     {
-      if (bfd_get_error () != bfd_error_system_call)
-       bfd_set_error (bfd_error_wrong_format);
+      bfd_set_error (bfd_error_wrong_format);
       return NULL;
     }
 
-  return coff_object_p (abfd);
+  /* Read the optional header, which has variable size.  */
+  opt_hdr_size = internal_f.f_opthdr;
+
+  if (opt_hdr_size != 0)
+    {
+      PTR opthdr;
+
+      opthdr = bfd_alloc (abfd, opt_hdr_size);
+      if (opthdr == NULL)
+       return NULL;
+      if (bfd_bread (opthdr, opt_hdr_size, abfd)
+         != (bfd_size_type) opt_hdr_size)
+       return NULL;
+
+      bfd_coff_swap_aouthdr_in (abfd, opthdr, (PTR) & internal_a);
+    }
+
+  return coff_real_object_p (abfd, internal_f.f_nscns, &internal_f,
+                            (opt_hdr_size != 0
+                             ? &internal_a
+                             : (struct internal_aouthdr *) NULL));
 }
 
 #define coff_object_p pe_bfd_object_p