Fri Sep 1 15:18:50 1995 Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>

* elflink.h (elf_bfd_final_link): Don't change a DT_INIT or
	DT_FINI entry if the appropriate symbol is not in the hash table.

	* libelf.h (struct elf_backend_data): Add create_program_headers
	and want_hdr_in_seg fields.
	* elfxx-target.h (elf_backend_want_hdr_in_seg): Define if not
	defined.
	(elf_backend_create_program_headers): Likewise.
	(elfNN_bed): Initialize create_program_headers and
	want_hdr_in_seg.
	* elf.c (get_program_header_size): Call create_program_headers
	backend routine.
	(map_program_segments): Check want_hdr_in_seg backend field.  Call
	create_program_headers backend routine.

	* elf.c (assign_file_positions_except_relocs): Align non allocated
	sections when creating an executable.

	* elfcode.h (elf_swap_phdr_in): Make non static.
	(elf_swap_phdr_out): Make non static.
	* libelf.h (bfd_elf32_swap_phdr_in): Declare.
	(bfd_elf32_swap_phdr_out): Declare.
	(bfd_elf64_swap_phdr_in): Declare.
	(bfd_elf64_swap_phdr_out): Declare.

bfd/ChangeLog

@@ -1,5 +1,43 @@
+Fri Sep  1 15:18:50 1995  Kazumoto Kojima  <kkojima@info.kanagawa-u.ac.jp>
+
+	* elflink.h (elf_bfd_final_link): Don't change a DT_INIT or
+	DT_FINI entry if the appropriate symbol is not in the hash table.
+
+	* libelf.h (struct elf_backend_data): Add create_program_headers
+	and want_hdr_in_seg fields.
+	* elfxx-target.h (elf_backend_want_hdr_in_seg): Define if not
+	defined.
+	(elf_backend_create_program_headers): Likewise.
+	(elfNN_bed): Initialize create_program_headers and
+	want_hdr_in_seg.
+	* elf.c (get_program_header_size): Call create_program_headers
+	backend routine.
+	(map_program_segments): Check want_hdr_in_seg backend field.  Call
+	create_program_headers backend routine.
+
+	* elf.c (assign_file_positions_except_relocs): Align non allocated
+	sections when creating an executable.
+
+	* elfcode.h (elf_swap_phdr_in): Make non static.
+	(elf_swap_phdr_out): Make non static.
+	* libelf.h (bfd_elf32_swap_phdr_in): Declare.
+	(bfd_elf32_swap_phdr_out): Declare.
+	(bfd_elf64_swap_phdr_in): Declare.
+	(bfd_elf64_swap_phdr_out): Declare.
+
+	* ecofflink.c (ecoff_collect_shuffle): New static function.
+	(_bfd_ecoff_get_accumulated_pdr): New function.
+	(_bfd_ecoff_get_accumulated_sym): New function.
+	(_bfd_ecoff_get_accumulated_ss): New function.
+	* libbfd-in.h (_bfd_ecoff_get_accumulated_pdr): Declare.
+	(_bfd_ecoff_get_accumulated_sym): Declare.
+	(_bfd_ecoff_get_accumulated_ss): Declare.
+	* libbfd.h: Rebuild.
+
 Fri Sep  1 13:20:25 1995  Ian Lance Taylor  <ian@cygnus.com>
 
+	* libecoff.h (_bfd_ecoff_bfd_print_private_bfd_data): Fix typo.
+
 	* elflink.h (elf_link_add_object_symbols): Handle indirect and
 	warning symbols.  If any section is named .gnu.warning.XXX, treat
 	the contents as a warning to be issued if the symbol XXX is

bfd/elflink.h

@@ -2139,9 +2139,9 @@ elf_bfd_final_link (abfd, info)
 
 		h = elf_link_hash_lookup (elf_hash_table (info), name,
 					  false, false, true);
-		BFD_ASSERT (h != NULL);
+		if (h != NULL
-		if (h->root.type == bfd_link_hash_defined
+		    && (h->root.type == bfd_link_hash_defined
-		    || h->root.type == bfd_link_hash_defweak)
+			|| h->root.type == bfd_link_hash_defweak))
 		  {
 		    dyn.d_un.d_val = h->root.u.def.value;
 		    o = h->root.u.def.section;
@@ -2149,11 +2149,14 @@ elf_bfd_final_link (abfd, info)
 		      dyn.d_un.d_val += (o->output_section->vma
 					 + o->output_offset);
 		    else
-		      /* The symbol is imported from another shared
+		      {
-			 library and does not apply to this one.  */
+			/* The symbol is imported from another shared
-		      dyn.d_un.d_val = 0;
+			   library and does not apply to this one.  */
+			dyn.d_un.d_val = 0;
+		      }
+
+		    elf_swap_dyn_out (dynobj, &dyn, dyncon);
 		  }
-		elf_swap_dyn_out (dynobj, &dyn, dyncon);
 	      }
 	      break;
 

bfd/libelf.h

@@ -412,6 +412,14 @@ struct elf_backend_data
   void (*elf_backend_final_write_processing)
     PARAMS ((bfd *, boolean linker));
 
+  /* A function to create any special program headers required by the
+     backend.  PHDRS are the program headers, and PHDR_COUNT is the
+     number of them.  If PHDRS is NULL, this just counts headers
+     without creating them.  This returns an updated value for
+     PHDR_COUNT.  */
+  int (*elf_backend_create_program_headers)
+    PARAMS ((bfd *, Elf_Internal_Phdr *phdrs, int phdr_count));
+
   /* The swapping table to use when dealing with ECOFF information.
      Used for the MIPS ELF .mdebug section.  */
   const struct ecoff_debug_swap *elf_backend_ecoff_debug_swap;
@@ -425,6 +433,9 @@ struct elf_backend_data
   unsigned want_got_plt : 1;
   unsigned plt_readonly : 1;
   unsigned want_plt_sym : 1;
+
+  /* Put ELF and program headers in the first loadable segment.  */
+  unsigned want_hdr_in_seg : 1;
 };
 
 /* Information stored for each BFD section in an ELF file.  This
@@ -654,6 +665,10 @@ extern void bfd_elf32_swap_reloca_in
   PARAMS ((bfd *, Elf32_External_Rela *, Elf_Internal_Rela *));
 extern void bfd_elf32_swap_reloca_out
   PARAMS ((bfd *, Elf_Internal_Rela *, Elf32_External_Rela *));
+extern void bfd_elf32_swap_phdr_in
+  PARAMS ((bfd *, Elf32_External_Phdr *, Elf_Internal_Phdr *));
+extern void bfd_elf32_swap_phdr_out
+  PARAMS ((bfd *, Elf_Internal_Phdr *, Elf32_External_Phdr *));
 extern void bfd_elf32_swap_dyn_in
   PARAMS ((bfd *, const Elf32_External_Dyn *, Elf_Internal_Dyn *));
 extern void bfd_elf32_swap_dyn_out
@@ -686,6 +701,10 @@ extern void bfd_elf64_swap_reloca_in
   PARAMS ((bfd *, Elf64_External_Rela *, Elf_Internal_Rela *));
 extern void bfd_elf64_swap_reloca_out
   PARAMS ((bfd *, Elf_Internal_Rela *, Elf64_External_Rela *));
+extern void bfd_elf64_swap_phdr_in
+  PARAMS ((bfd *, Elf64_External_Phdr *, Elf_Internal_Phdr *));
+extern void bfd_elf64_swap_phdr_out
+  PARAMS ((bfd *, Elf_Internal_Phdr *, Elf64_External_Phdr *));
 extern void bfd_elf64_swap_dyn_in
   PARAMS ((bfd *, const Elf64_External_Dyn *, Elf_Internal_Dyn *));
 extern void bfd_elf64_swap_dyn_out