commit 3f23cef24fc9200def464bd4bce820678b5715de
author Andrew Kaylor <andrew.kaylor@intel.com> Tue Oct 02 21:18:39 2012 +0000
committer Andrew Kaylor <andrew.kaylor@intel.com> Tue Oct 02 21:18:39 2012 +0000
tree 9d7bd6501c9cda8d5e32fff4b4c8359b66173c77
parent 9fd304672cec6cd31b1978408a0a0dc375f96969

Clean-up of memory buffer and object ownership model in MCJIT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165053 91177308-0d34-0410-b5e6-96231b3b80d8

lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp

diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
index 465e85d..56540c2 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldMachO.cpp
@@ -295,8 +295,10 @@
 
 
 bool RuntimeDyldMachO::isCompatibleFormat(
-        const MemoryBuffer *InputBuffer) const {
-  StringRef Magic = InputBuffer->getBuffer().slice(0, 4);
+        const ObjectBuffer *InputBuffer) const {
+  if (InputBuffer->getBufferSize() < 4)
+    return false;
+  StringRef Magic(InputBuffer->getBufferStart(), 4);
   if (Magic == "\xFE\xED\xFA\xCE") return true;
   if (Magic == "\xCE\xFA\xED\xFE") return true;
   if (Magic == "\xFE\xED\xFA\xCF") return true;