2009-11-03 Alan Modra <amodra@bigpond.net.au>

	    Ulrich Weigand  <uweigand@de.ibm.com>

	* elf32-spu.c (mark_functions_via_relocs): Handle non-branch relocs
	(jump tables or other references to code labels) as well.

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index ce48a24..3c8fd00 100644 (file)
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,9 @@
+2009-11-03  Alan Modra  <amodra@bigpond.net.au>
+           Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * elf32-spu.c (mark_functions_via_relocs): Handle non-branch relocs
+       (jump tables or other references to code labels) as well.
+
 2009-11-02  Paul Brook  <paul@codesourcery.com>
 
        * elf32-arm.c (elf32_arm_merge_eabi_attributes): Handle VFPv4

diff --git a/bfd/elf32-spu.c b/bfd/elf32-spu.c
index 890f260..48025ff 100644 (file)
--- a/bfd/elf32-spu.c
+++ b/bfd/elf32-spu.c
@@ -2692,19 +2692,12 @@ mark_functions_via_relocs (asection *sec,
       Elf_Internal_Sym *sym;
       struct elf_link_hash_entry *h;
       bfd_vma val;
-      bfd_boolean reject, is_call;
+      bfd_boolean nonbranch, is_call;
       struct function_info *caller;
       struct call_info *callee;
 
-      reject = FALSE;
       r_type = ELF32_R_TYPE (irela->r_info);
-      if (r_type != R_SPU_REL16
-         && r_type != R_SPU_ADDR16)
-       {
-         reject = TRUE;
-         if (!(call_tree && spu_hash_table (info)->params->auto_overlay))
-           continue;
-       }
+      nonbranch = r_type != R_SPU_REL16 && r_type != R_SPU_ADDR16;
 
       r_indx = ELF32_R_SYM (irela->r_info);
       if (!get_sym_h (&h, &sym, &sym_sec, psyms, r_indx, sec->owner))
@@ -2715,7 +2708,7 @@ mark_functions_via_relocs (asection *sec,
        continue;
 
       is_call = FALSE;
-      if (!reject)
+      if (!nonbranch)
        {
          unsigned char insn[4];
 
@@ -2746,14 +2739,13 @@ mark_functions_via_relocs (asection *sec,
            }
          else
            {
-             reject = TRUE;
-             if (!(call_tree && spu_hash_table (info)->params->auto_overlay)
-                 || is_hint (insn))
+             nonbranch = TRUE;
+             if (is_hint (insn))
                continue;
            }
        }
 
-      if (reject)
+      if (nonbranch)
        {
          /* For --auto-overlay, count possible stubs we need for
             function pointer references.  */
@@ -2763,8 +2755,20 @@ mark_functions_via_relocs (asection *sec,
          else
            sym_type = ELF_ST_TYPE (sym->st_info);
          if (sym_type == STT_FUNC)
-           spu_hash_table (info)->non_ovly_stub += 1;
-         continue;
+           {
+             if (call_tree && spu_hash_table (info)->params->auto_overlay)
+               spu_hash_table (info)->non_ovly_stub += 1;
+             /* If the symbol type is STT_FUNC then this must be a
+                function pointer initialisation.  */
+             continue;
+           }
+         /* Ignore data references.  */
+         if ((sym_sec->flags & (SEC_ALLOC | SEC_LOAD | SEC_CODE))
+             != (SEC_ALLOC | SEC_LOAD | SEC_CODE))
+           continue;
+         /* Otherwise we probably have a jump table reloc for
+            a switch statement or some other reference to a
+            code label.  */
        }
 
       if (h)
@@ -2813,7 +2817,7 @@ mark_functions_via_relocs (asection *sec,
       callee->is_pasted = FALSE;
       callee->broken_cycle = FALSE;
       callee->priority = priority;
-      callee->count = 1;
+      callee->count = nonbranch? 0 : 1;
       if (callee->fun->last_caller != sec)
        {
          callee->fun->last_caller = sec;