From: Alan Modra <amodra@gmail.com>
Date: Mon, 26 Mar 2007 12:50:09 +0000 (+0000)
Subject: 	* elf32-spu.c (struct stubarr): Add stub_hash_table and err fields.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f4b39977c8162c118d6f8ebfacd1fc5850ec2842;p=binutils-gdb.git

	* elf32-spu.c (struct stubarr): Add stub_hash_table and err fields.
	(allocate_spuear_stubs): New function.
	(spu_elf_size_stubs): Call allocate_spuear_stubs.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 1301c1082c3..bc127a97e08 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2007-03-26  Alan Modra  <amodra@bigpond.net.au>
+
+	* elf32-spu.c (struct stubarr): Add stub_hash_table and err fields.
+	(allocate_spuear_stubs): New function.
+	(spu_elf_size_stubs): Call allocate_spuear_stubs.
+
 2007-03-26  Alan Modra  <amodra@bigpond.net.au>
 
 	* aout-adobe.c (aout_32_bfd_reloc_name_lookup): Define.
diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index 25783c0df2d..d05aaef5481 100644
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -731,10 +731,59 @@ needs_ovl_stub (const char *sym_name,
 }
 
 struct stubarr {
+  struct bfd_hash_table *stub_hash_table;
   struct spu_stub_hash_entry **sh;
   unsigned int count;
+  int err;
 };
 
+/* Called via elf_link_hash_traverse to allocate stubs for any _SPUEAR_
+   symbols.  */
+
+static bfd_boolean
+allocate_spuear_stubs (struct elf_link_hash_entry *h, void *inf)
+{
+  /* Symbols starting with _SPUEAR_ need a stub because they may be
+     invoked by the PPU.  */
+  if ((h->root.type == bfd_link_hash_defined
+       || h->root.type == bfd_link_hash_defweak)
+      && h->def_regular
+      && strncmp (h->root.root.string, "_SPUEAR_", 8) == 0)
+    {
+      struct stubarr *stubs = inf;
+      static Elf_Internal_Rela zero_rel;
+      char *stub_name = spu_stub_name (h->root.u.def.section, h, &zero_rel);
+      struct spu_stub_hash_entry *sh;
+
+      if (stub_name == NULL)
+	{
+	  stubs->err = 1;
+	  return FALSE;
+	}
+
+      sh = (struct spu_stub_hash_entry *)
+	bfd_hash_lookup (stubs->stub_hash_table, stub_name, TRUE, FALSE);
+      if (sh == NULL)
+	{
+	  free (stub_name);
+	  return FALSE;
+	}
+
+      /* If this entry isn't new, we already have a stub.  */
+      if (sh->target_section != NULL)
+	{
+	  free (stub_name);
+	  return TRUE;
+	}
+
+      sh->target_section = h->root.u.def.section;
+      sh->target_off = h->root.u.def.value;
+      stubs->count += 1;
+    }
+  
+  return TRUE;
+}
+
 /* Called via bfd_hash_traverse to set up pointers to all symbols
    in the stub hash table.  */
 
@@ -794,7 +843,9 @@ spu_elf_size_stubs (bfd *output_bfd,
   flagword flags;
 
   htab->non_overlay_stubs = non_overlay_stubs;
+  stubs.stub_hash_table = &htab->stub_hash_table;
   stubs.count = 0;
+  stubs.err = 0;
   for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link_next)
     {
       extern const bfd_target bfd_elf32_spu_vec;
@@ -980,6 +1031,10 @@ spu_elf_size_stubs (bfd *output_bfd,
 	}
     }
 
+  elf_link_hash_traverse (&htab->elf, allocate_spuear_stubs, &stubs);
+  if (stubs.err)
+    return FALSE;
+
   *stub = NULL;
   if (stubs.count == 0)
     return TRUE;