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.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 02494db9cce8197f7555609c3f4a8860cf9b9f92..cc836b8ce8c581d8e8e67a205e8b65d9aafdceae 100644 (file)
--- a/bfd/ChangeLog
+++ b/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

diff --git a/bfd/elflink.h b/bfd/elflink.h
index ec12292f343c298161d6ae0c495a2a3a1e6c8b7f..e1c22dd5d8c896ffba274ae839b7928d88b02f55 100644 (file)
--- a/bfd/elflink.h
+++ b/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->root.type == bfd_link_hash_defined
-                   || h->root.type == bfd_link_hash_defweak)
+               if (h != NULL
+                   && (h->root.type == bfd_link_hash_defined
+                       || 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.  */
-                     dyn.d_un.d_val = 0;
+                     {
+                       /* The symbol is imported from another shared
+                          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;
 

diff --git a/bfd/libelf.h b/bfd/libelf.h
index c0d2f7ebdd73c66b7b76292bc77f3b52d687909e..7a41be5e4854932cfcc77b3327f9c653a1b94879 100644 (file)
--- a/bfd/libelf.h
+++ b/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