Support arbitrary length fill patterns.

	* linker.c (bfd_new_link_order): Zero all fields with bfd_zalloc.
	(_bfd_default_link_order): Remove bfd_fill_link_order code.
	Call default_data_link_order.
	(default_fill_link_order): Delete.
	(default_data_link_order): New function.
	* elf32-mips.c (_bfd_mips_elf_final_link): Replace occurrences
	of bfd_fill_link_order with bfd_data_link_order.
	* elf64-alpha.c (elf64_alpha_final_link): Likewise.
	* elf64-mips.c (mips_elf64_final_link): Likewise.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6861860..8b43bff 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,16 @@
 2002-02-15  Alan Modra  <amodra@bigpond.net.au>
 
+       Support arbitrary length fill patterns.
+       * linker.c (bfd_new_link_order): Zero all fields with bfd_zalloc.
+       (_bfd_default_link_order): Remove bfd_fill_link_order code.
+       Call default_data_link_order.
+       (default_fill_link_order): Delete.
+       (default_data_link_order): New function.
+       * elf32-mips.c (_bfd_mips_elf_final_link): Replace occurrences
+       of bfd_fill_link_order with bfd_data_link_order.
+       * elf64-alpha.c (elf64_alpha_final_link): Likewise.
+       * elf64-mips.c (mips_elf64_final_link): Likewise.
+
        * bfd.c (bfd_scan_vma): Clamp overflows to max bfd_vma value.
        Correct value returned in "end" for "0x<non-hex>".
 

diff --git a/bfd/elf32-mips.c b/bfd/elf32-mips.c
index 73eba75..c62c5db 100644 (file)
--- a/bfd/elf32-mips.c
+++ b/bfd/elf32-mips.c
@@ -5271,7 +5271,7 @@ _bfd_mips_elf_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }
@@ -5398,7 +5398,7 @@ _bfd_mips_elf_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }
@@ -5554,7 +5554,7 @@ _bfd_mips_elf_final_link (abfd, info)
 
                  if (p->type != bfd_indirect_link_order)
                    {
-                     if (p->type == bfd_fill_link_order)
+                     if (p->type == bfd_data_link_order)
                        continue;
                      abort ();
                    }
@@ -5634,7 +5634,7 @@ _bfd_mips_elf_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }

diff --git a/bfd/elf64-alpha.c b/bfd/elf64-alpha.c
index 6df126a..d0d3251 100644 (file)
--- a/bfd/elf64-alpha.c
+++ b/bfd/elf64-alpha.c
@@ -4105,7 +4105,7 @@ elf64_alpha_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }

diff --git a/bfd/elf64-mips.c b/bfd/elf64-mips.c
index 75d456a..f20d15b 100644 (file)
--- a/bfd/elf64-mips.c
+++ b/bfd/elf64-mips.c
@@ -6518,7 +6518,7 @@ mips_elf64_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }
@@ -6655,7 +6655,7 @@ mips_elf64_final_link (abfd, info)
 
                  if (p->type != bfd_indirect_link_order)
                    {
-                     if (p->type == bfd_fill_link_order)
+                     if (p->type == bfd_data_link_order)
                        continue;
                      abort ();
                    }
@@ -6734,7 +6734,7 @@ mips_elf64_final_link (abfd, info)
 
              if (p->type != bfd_indirect_link_order)
                {
-                 if (p->type == bfd_fill_link_order)
+                 if (p->type == bfd_data_link_order)
                    continue;
                  abort ();
                }

diff --git a/bfd/linker.c b/bfd/linker.c
index e382895..727be33 100644 (file)
--- a/bfd/linker.c
+++ b/bfd/linker.c
@@ -1,5 +1,5 @@
 /* linker.c -- BFD linker routines
-   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
+   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
    Free Software Foundation, Inc.
    Written by Steve Chamberlain and Ian Lance Taylor, Cygnus Support
 
@@ -426,7 +426,7 @@ static void set_symbol_from_hash
   PARAMS ((asymbol *, struct bfd_link_hash_entry *));
 static boolean generic_add_output_symbol
   PARAMS ((bfd *, size_t *psymalloc, asymbol *));
-static boolean default_fill_link_order
+static boolean default_data_link_order
   PARAMS ((bfd *, struct bfd_link_info *, asection *,
           struct bfd_link_order *));
 static boolean default_indirect_link_order
@@ -2608,14 +2608,13 @@ bfd_new_link_order (abfd, section)
      asection *section;
 {
   bfd_size_type amt = sizeof (struct bfd_link_order);
-  struct bfd_link_order *new = (struct bfd_link_order *) bfd_alloc (abfd, amt);
+  struct bfd_link_order *new;
+
+  new = (struct bfd_link_order *) bfd_zalloc (abfd, amt);
   if (!new)
     return NULL;
 
   new->type = bfd_undefined_link_order;
-  new->offset = 0;
-  new->size = 0;
-  new->next = (struct bfd_link_order *) NULL;
 
   if (section->link_order_tail != (struct bfd_link_order *) NULL)
     section->link_order_tail->next = new;
@@ -2637,8 +2636,6 @@ _bfd_default_link_order (abfd, info, sec, link_order)
      asection *sec;
      struct bfd_link_order *link_order;
 {
-  file_ptr loc;
-
   switch (link_order->type)
     {
     case bfd_undefined_link_order:
@@ -2649,29 +2646,23 @@ _bfd_default_link_order (abfd, info, sec, link_order)
     case bfd_indirect_link_order:
       return default_indirect_link_order (abfd, info, sec, link_order,
                                          false);
-    case bfd_fill_link_order:
-      return default_fill_link_order (abfd, info, sec, link_order);
     case bfd_data_link_order:
-      loc = link_order->offset * bfd_octets_per_byte (abfd);
-      return bfd_set_section_contents (abfd, sec,
-                                      (PTR) link_order->u.data.contents,
-                                      loc, link_order->size);
+      return default_data_link_order (abfd, info, sec, link_order);
     }
 }
 
-/* Default routine to handle a bfd_fill_link_order.  */
+/* Default routine to handle a bfd_data_link_order.  */
 
 static boolean
-default_fill_link_order (abfd, info, sec, link_order)
+default_data_link_order (abfd, info, sec, link_order)
      bfd *abfd;
      struct bfd_link_info *info ATTRIBUTE_UNUSED;
      asection *sec;
      struct bfd_link_order *link_order;
 {
   bfd_size_type size;
-  unsigned char *space;
-  size_t i;
-  unsigned int fill;
+  size_t fill_size;
+  bfd_byte *fill;
   file_ptr loc;
   boolean result;
 
@@ -2681,24 +2672,37 @@ default_fill_link_order (abfd, info, sec, link_order)
   if (size == 0)
     return true;
 
-  space = (unsigned char *) bfd_malloc (size);
-  if (space == NULL)
-    return false;
-
-  fill = link_order->u.fill.value;
-  for (i = 0; i < size; i += 4)
-    space[i] = fill >> 24;
-  for (i = 1; i < size; i += 4)
-    space[i] = fill >> 16;
-  for (i = 2; i < size; i += 4)
-    space[i] = fill >> 8;
-  for (i = 3; i < size; i += 4)
-    space[i] = fill;
+  fill = link_order->u.data.contents;
+  fill_size = link_order->u.data.size;
+  if (fill_size != 0 && fill_size < size)
+    {
+      bfd_byte *p;
+      fill = (bfd_byte *) bfd_malloc (size);
+      if (fill == NULL)
+       return false;
+      p = fill;
+      if (fill_size == 1)
+       memset (p, (int) link_order->u.data.contents[0], (size_t) size);
+      else
+       {
+         do
+           {
+             memcpy (p, link_order->u.data.contents, fill_size);
+             p += fill_size;
+             size -= fill_size;
+           }
+         while (size >= fill_size);
+         if (size != 0)
+           memcpy (p, link_order->u.data.contents, (size_t) size);
+         size = link_order->size;
+       }
+    }
 
   loc = link_order->offset * bfd_octets_per_byte (abfd);
-  result = bfd_set_section_contents (abfd, sec, space, loc, size);
+  result = bfd_set_section_contents (abfd, sec, fill, loc, size);
 
-  free (space);
+  if (fill != link_order->u.data.contents)
+    free (fill);
   return result;
 }