Imported binutils-2.20

[msp430-binutils.git] / bfd / merge.c

diff --git a/bfd/merge.c b/bfd/merge.c
index 2e805c770e3e6314c3a1065cac037fc01f37bc66..80f80b83a00407f3a8d088ae3cbfadb6501bbbd9 100644 (file)
--- a/bfd/merge.c
+++ b/bfd/merge.c
@@ -1,5 +1,5 @@
 /* SEC_MERGE support.
-   Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
    Written by Jakub Jelinek <jakub@redhat.com>.
 
@@ -108,7 +108,8 @@ sec_merge_hash_newfunc (struct bfd_hash_entry *entry,
   /* Allocate the structure if it has not already been allocated by a
      subclass.  */
   if (entry == NULL)
-    entry = bfd_hash_allocate (table, sizeof (struct sec_merge_hash_entry));
+    entry = (struct bfd_hash_entry *)
+        bfd_hash_allocate (table, sizeof (struct sec_merge_hash_entry));
   if (entry == NULL)
     return NULL;
 
@@ -220,16 +221,11 @@ sec_merge_hash_lookup (struct sec_merge_hash *table, const char *string,
     return NULL;
 
   hashp = ((struct sec_merge_hash_entry *)
-          sec_merge_hash_newfunc (NULL, &table->table, string));
+          bfd_hash_insert (&table->table, string, hash));
   if (hashp == NULL)
     return NULL;
-  hashp->root.string = string;
-  hashp->root.hash = hash;
   hashp->len = len;
   hashp->alignment = alignment;
-  hashp->root.next = table->table.table[index];
-  table->table.table[index] = (struct bfd_hash_entry *) hashp;
-
   return hashp;
 }
 
@@ -240,7 +236,7 @@ sec_merge_init (unsigned int entsize, bfd_boolean strings)
 {
   struct sec_merge_hash *table;
 
-  table = bfd_malloc (sizeof (struct sec_merge_hash));
+  table = (struct sec_merge_hash *) bfd_malloc (sizeof (struct sec_merge_hash));
   if (table == NULL)
     return NULL;
 
@@ -298,7 +294,7 @@ sec_merge_emit (bfd *abfd, struct sec_merge_hash_entry *entry)
 
   if (alignment_power)
     {
-      pad = bfd_zmalloc ((bfd_size_type) 1 << alignment_power);
+      pad = (char *) bfd_zmalloc ((bfd_size_type) 1 << alignment_power);
       if (pad == NULL)
        return FALSE;
     }
@@ -395,7 +391,8 @@ _bfd_add_merge_section (bfd *abfd, void **psinfo, asection *sec,
   if (sinfo == NULL)
     {
       /* Initialize the information we need to keep track of.  */
-      sinfo = bfd_alloc (abfd, sizeof (struct sec_merge_info));
+      sinfo = (struct sec_merge_info *)
+          bfd_alloc (abfd, sizeof (struct sec_merge_info));
       if (sinfo == NULL)
        goto error_return;
       sinfo->next = (struct sec_merge_info *) *psinfo;
@@ -408,7 +405,12 @@ _bfd_add_merge_section (bfd *abfd, void **psinfo, asection *sec,
 
   /* Read the section from abfd.  */
 
-  amt = sizeof (struct sec_merge_sec_info) + sec->size - 1;
+  amt = sizeof (struct sec_merge_sec_info) - 1 + sec->size;
+  if (sec->flags & SEC_STRINGS)
+    /* Some versions of gcc may emit a string without a zero terminator.
+       See http://gcc.gnu.org/ml/gcc-patches/2006-06/msg01004.html
+       Allocate space for an extra zero.  */
+    amt += sec->entsize;
   *psecinfo = bfd_alloc (abfd, amt);
   if (*psecinfo == NULL)
     goto error_return;
@@ -428,6 +430,8 @@ _bfd_add_merge_section (bfd *abfd, void **psinfo, asection *sec,
   secinfo->first_str = NULL;
 
   sec->rawsize = sec->size;
+  if (sec->flags & SEC_STRINGS)
+    memset (secinfo->contents + sec->size, 0, sec->entsize);
   if (! bfd_get_section_contents (sec->owner, sec, secinfo->contents,
                                  0, sec->size))
     goto error_return;
@@ -599,7 +603,7 @@ merge_strings (struct sec_merge_info *sinfo)
 
   /* Now sort the strings */
   amt = sinfo->htab->size * sizeof (struct sec_merge_hash_entry *);
-  array = bfd_malloc (amt);
+  array = (struct sec_merge_hash_entry **) bfd_malloc (amt);
   if (array == NULL)
     goto alloc_failure;
 
@@ -700,7 +704,7 @@ alloc_failure:
    with _bfd_merge_section.  */
 
 bfd_boolean
-_bfd_merge_sections (bfd *abfd ATTRIBUTE_UNUSED,
+_bfd_merge_sections (bfd *abfd,
                     struct bfd_link_info *info ATTRIBUTE_UNUSED,
                     void *xsinfo,
                     void (*remove_hook) (bfd *, asection *))
@@ -784,9 +788,13 @@ _bfd_write_merged_section (bfd *output_bfd, asection *sec, void *psecinfo)
 
   secinfo = (struct sec_merge_sec_info *) psecinfo;
 
+  if (!secinfo)
+    return FALSE;
+
   if (secinfo->first_str == NULL)
     return TRUE;
 
+  /* FIXME: octets_per_byte.  */
   pos = sec->output_section->filepos + sec->output_offset;
   if (bfd_seek (output_bfd, pos, SEEK_SET) != 0)
     return FALSE;
@@ -812,6 +820,9 @@ _bfd_merged_section_offset (bfd *output_bfd ATTRIBUTE_UNUSED, asection **psec,
 
   secinfo = (struct sec_merge_sec_info *) psecinfo;
 
+  if (!secinfo)
+    return offset;
+
   if (offset >= sec->rawsize)
     {
       if (offset > sec->rawsize)