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  gas/ChangeLog
  2004-07-01  Nick Clifton  <nickc@redhat.com>

        * config/tc-arm.c (md_apply_fix3:BFD_RELOC_ARM_IMMEDIATE): Do not
        allow values which have come from undefined symbols.
        Always consider this fixup to have been processed as a reloc
        cannot be generated for it.


Index: gas/config/tc-arm.c
===================================================================
RCS file: /work/repositories/sourceware/src/gas/config/tc-arm.c,v
retrieving revision 1.140.2.1
diff -c -3 -p -r1.140.2.1 tc-arm.c
*** gas/config/tc-arm.c	13 Jun 2003 16:34:31 -0000	1.140.2.1
--- gas/config/tc-arm.c	1 Jul 2004 17:22:43 -0000
*************** md_apply_fix3 (fixP, valP, seg)
*** 10693,10698 ****
--- 10693,10712 ----
    switch (fixP->fx_r_type)
      {
      case BFD_RELOC_ARM_IMMEDIATE:
+       /* We claim that this fixup has been processed here,
+ 	 even if in fact we generate an error because we do
+ 	 not have a reloc for it, so tc_gen_reloc will reject it.  */
+       fixP->fx_done = 1;
+ 
+       if (fixP->fx_addsy
+ 	  && ! S_IS_DEFINED (fixP->fx_addsy))
+ 	{
+ 	  as_bad_where (fixP->fx_file, fixP->fx_line,
+ 			_("undefined symbol %s used as an immediate value"),
+ 			S_GET_NAME (fixP->fx_addsy));
+ 	  break;
+ 	}
+ 
        newimm = validate_immediate (value);
        temp = md_chars_to_number (buf, INSN_SIZE);
  
*************** md_apply_fix3 (fixP, valP, seg)
*** 10709,10715 ****
  
        newimm |= (temp & 0xfffff000);
        md_number_to_chars (buf, (valueT) newimm, INSN_SIZE);
-       fixP->fx_done = 1;
        break;
  
      case BFD_RELOC_ARM_ADRL_IMMEDIATE:
--- 10723,10728 ----