+/* Warn when emitting data to code sections, unless we are emitting
+ a relocation that ld --ppc476-workaround uses to recognise data
+ *and* there was an unconditional branch prior to the data. */
+
+void
+ppc_elf_cons_fix_check (expressionS *exp ATTRIBUTE_UNUSED,
+ unsigned int nbytes, fixS *fix)
+{
+ if (warn_476
+ && (now_seg->flags & SEC_CODE) != 0
+ && (nbytes != 4
+ || fix == NULL
+ || !(fix->fx_r_type == BFD_RELOC_32
+ || fix->fx_r_type == BFD_RELOC_CTOR
+ || fix->fx_r_type == BFD_RELOC_32_PCREL)
+ || !(last_seg == now_seg && last_subseg == now_subseg)
+ || !((last_insn & (0x3f << 26)) == (18u << 26)
+ || ((last_insn & (0x3f << 26)) == (16u << 26)
+ && (last_insn & (0x14 << 21)) == (0x14 << 21))
+ || ((last_insn & (0x3f << 26)) == (19u << 26)
+ && (last_insn & (0x3ff << 1)) == (16u << 1)
+ && (last_insn & (0x14 << 21)) == (0x14 << 21)))))
+ {
+ /* Flag that we've warned. */
+ if (fix != NULL)
+ fix->fx_tcbit = 1;
+
+ as_warn (_("data in executable section"));
+ }
+}
+