[llvm] r235043 - [RuntimeDyld] Work around a bug in RuntimeDyldELF exposed by r234839.

[Lang Hames]

Author: lhames
Date: Wed Apr 15 16:18:41 2015
New Revision: 235043

URL: http://llvm.org/viewvc/llvm-project?rev=235043&view=rev
Log:
[RuntimeDyld] Work around a bug in RuntimeDyldELF exposed by r234839.

Hopefully this will fix the failures on the windows builders that started with
r234839.


Modified:
    llvm/trunk/tools/llvm-rtdyld/llvm-rtdyld.cpp

Modified: llvm/trunk/tools/llvm-rtdyld/llvm-rtdyld.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-rtdyld/llvm-rtdyld.cpp?rev=235043&r1=235042&r2=235043&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-rtdyld/llvm-rtdyld.cpp (original)
+++ llvm/trunk/tools/llvm-rtdyld/llvm-rtdyld.cpp Wed Apr 15 16:18:41 2015
@@ -267,6 +267,11 @@ static int executeInput() {
   TrivialMemoryManager MemMgr;
   RuntimeDyld Dyld(MemMgr, MemMgr);
 
+  // FIXME: Preserve buffers until resolveRelocations time to work around a bug
+  //        in RuntimeDyldELF.
+  // This fixme should be fixed ASAP. This is a very brittle workaround.
+  std::vector<std::unique_ptr<MemoryBuffer>> InputBuffers;
+
   // If we don't have any input files, read from stdin.
   if (!InputFileList.size())
     InputFileList.push_back("-");
@@ -283,6 +288,7 @@ static int executeInput() {
       return Error("unable to create object file: '" + EC.message() + "'");
 
     ObjectFile &Obj = **MaybeObj;
+    InputBuffers.push_back(std::move(*InputBuffer));
 
     // Load the object file
     Dyld.loadObject(Obj);
@@ -519,6 +525,11 @@ static int linkAndVerify() {
   RuntimeDyldChecker Checker(Dyld, Disassembler.get(), InstPrinter.get(),
                              llvm::dbgs());
 
+  // FIXME: Preserve buffers until resolveRelocations time to work around a bug
+  //        in RuntimeDyldELF.
+  // This fixme should be fixed ASAP. This is a very brittle workaround.
+  std::vector<std::unique_ptr<MemoryBuffer>> InputBuffers;
+
   // If we don't have any input files, read from stdin.
   if (!InputFileList.size())
     InputFileList.push_back("-");
@@ -537,6 +548,7 @@ static int linkAndVerify() {
       return Error("unable to create object file: '" + EC.message() + "'");
 
     ObjectFile &Obj = **MaybeObj;
+    InputBuffers.push_back(std::move(*InputBuffer));
 
     // Load the object file
     Dyld.loadObject(Obj);