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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 ----
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