[Patch][Gold] BE8 for ARM

[Cary Coutant]

>> Arm/thumb stubs support was missed in the be8 mode with the previous
>> patch, hence adding the same with the unit cases.
>>
>> No Regress on gold test-suites.

+      if (enable_be8)
+           elfcpp::Swap<16, false>::writeval(pov, insns[i].data() & 0xffff);
+      else
+        elfcpp::Swap<16, big_endian>::writeval(pov, insns[i].data() & 0xffff);

These lines are not indented correctly.

+      if (enable_be8)
+           elfcpp::Swap<16, false>::writeval(
+               pov,this->thumb16_special(i));
+      else
+        elfcpp::Swap<16, big_endian>::writeval(
+            pov,this->thumb16_special(i));

Same here.

+        if (enable_be8) {
+             elfcpp::Swap<16, false>::writeval(pov, hi);
+             elfcpp::Swap<16, false>::writeval(pov + 2, lo);
+        }
+        else {
+          elfcpp::Swap<16, big_endian>::writeval(pov, hi);
+          elfcpp::Swap<16, big_endian>::writeval(pov + 2, lo);
+        }
          }
          break;
        case Insn_template::ARM_TYPE:
+      if (enable_be8)
+        elfcpp::Swap<32, false>::writeval(pov, insns[i].data());
+      else
+        elfcpp::Swap<32, big_endian>::writeval(pov, insns[i].data());
+      break;

And here.

I think this comment from Stub::do_fixed_endian_write() can be removed:

  // FIXME:  We do not handle BE8 encoding yet.

diff --git a/gold/testsuite/arm_farcall_arm_arm_be8.sh
b/gold/testsuite/arm_farcall_arm_arm_be8.sh
new file mode 100644
index 0000000..e21a16d
--- /dev/null
+++ b/gold/testsuite/arm_farcall_arm_arm_be8.sh

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-cary