patches/binutils/2.15/600-arm-textrel.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Feb 24 11:00:05 2007 +0000 (2007-02-24)
changeset 1 eeea35fbf182
permissions -rw-r--r--
Add the full crosstool-NG sources to the new repository of its own.
You might just say: 'Yeah! crosstool-NG's got its own repo!".
Unfortunately, that's because the previous repo got damaged beyond repair and I had no backup.
That means I'm putting backups in place in the afternoon.
That also means we've lost history... :-(
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http://sources.redhat.com/ml/binutils/2004-06/msg00010.html
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--- binutils-2.15.90.0.3-old/bfd/elf32-arm.h	2004-04-12 14:56:33.000000000 -0500
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+++ binutils-2.15.90.0.3/bfd/elf32-arm.h	2004-09-03 06:56:40.000000000 -0500
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@@ -87,6 +87,8 @@
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 #endif
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 static bfd_boolean allocate_dynrelocs 
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   PARAMS ((struct elf_link_hash_entry *h, PTR inf));
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+static bfd_boolean elf32_arm_readonly_dynrelocs
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+  PARAMS ((struct elf_link_hash_entry *, PTR));
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 static bfd_boolean create_got_section 
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   PARAMS ((bfd * dynobj, struct bfd_link_info * info));
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 static bfd_boolean elf32_arm_create_dynamic_sections 
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@@ -3531,6 +3533,37 @@
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   return TRUE;
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 }
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+/* Find any dynamic relocs that apply to read-only sections.  */
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+
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+static bfd_boolean
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+elf32_arm_readonly_dynrelocs (h, inf)
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+     struct elf_link_hash_entry *h;
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+     PTR inf;
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+{
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+  struct elf32_arm_link_hash_entry *eh;
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+  struct elf32_arm_relocs_copied *p;
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+
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+  if (h->root.type == bfd_link_hash_warning)
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+    h = (struct elf_link_hash_entry *) h->root.u.i.link;
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+
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+  eh = (struct elf32_arm_link_hash_entry *) h;
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+  for (p = eh->relocs_copied; p != NULL; p = p->next)
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+    {
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+      asection *s = p->section;
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+
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+      if (s != NULL && (s->flags & SEC_READONLY) != 0)
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+       {
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+         struct bfd_link_info *info = (struct bfd_link_info *) inf;
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+
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+         info->flags |= DF_TEXTREL;
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+
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+         /* Not an error, just cut short the traversal.  */
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+         return FALSE;
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+       }
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+    }
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+  return TRUE;
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+}
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+
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 /* Set the sizes of the dynamic sections.  */
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 static bfd_boolean
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@@ -3740,6 +3773,12 @@
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 	    return FALSE;
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 	}
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+      /* If any dynamic relocs apply to a read-only section,
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+         then we need a DT_TEXTREL entry.  */
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+      if ((info->flags & DF_TEXTREL) == 0)
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+        elf_link_hash_traverse (&htab->root, elf32_arm_readonly_dynrelocs,
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+                                (PTR) info);
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+
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       if ((info->flags & DF_TEXTREL) != 0)
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 	{
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 	  if (!add_dynamic_entry (DT_TEXTREL, 0))