ExecutionEngine interface to re-map addresses for engines that support it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148264 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
index 1882797..99524a3 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
@@ -54,6 +54,14 @@
   }
 }
 
+void RuntimeDyldImpl::mapSectionAddress(void *LocalAddress,
+                                        uint64_t TargetAddress) {
+  assert(SectionLocalMemToID.count(LocalAddress) &&
+         "Attempting to remap address of unknown section!");
+  unsigned SectionID = SectionLocalMemToID[LocalAddress];
+  reassignSectionAddress(SectionID, TargetAddress);
+}
+
 //===----------------------------------------------------------------------===//
 // RuntimeDyld class implementation
 RuntimeDyld::RuntimeDyld(RTDyldMemoryManager *mm) {
@@ -116,6 +124,11 @@
   Dyld->reassignSectionAddress(SectionID, Addr);
 }
 
+void RuntimeDyld::mapSectionAddress(void *LocalAddress,
+                                    uint64_t TargetAddress) {
+  Dyld->mapSectionAddress(LocalAddress, TargetAddress);
+}
+
 StringRef RuntimeDyld::getErrorString() {
   return Dyld->getErrorString();
 }