Allow sel_ldr to continue without the IRT, when nexe doesn't have segment gap

src/trusted/service_runtime/nacl_text.c

Index: src/trusted/service_runtime/nacl_text.c
diff --git a/src/trusted/service_runtime/nacl_text.c b/src/trusted/service_runtime/nacl_text.c
index 3d060d2c0b711954c38c290b100ff5fbcdd058c3..b40428ba86df945e2edbeb22fcfcbbce2eddf241 100644
--- a/src/trusted/service_runtime/nacl_text.c
+++ b/src/trusted/service_runtime/nacl_text.c
@@ -977,3 +977,7 @@ int32_t NaClTextSysDyncode_Delete(struct NaClAppThread *natp,
   NaClXMutexUnlock(&nap->dynamic_load_mutex);
   return retval;
 }
+
+int32_t NaClHasSegmentGapForDyncode(struct NaClApp *nap) {
+  return nap->dynamic_text_start != nap->dynamic_text_end;

[Mark Seaborn, 2012/06/28 22:05:11]

I would suggest checking whether nap->text_shm is NULL instead, since that's
what the code does elsewhere.  That's simple enough that you can just inline it.

[jvoung (off chromium), 2012/06/28 22:41:56]

Done.

+}