MCJIT: getPointerToFunction() references target address space.

Make sure to return a pointer into the target memory, not the local memory.
Often they are the same, but we can't assume that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163217 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 17 insertions, 0 deletions

diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
index a98ddc0..d47287b 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
@@ -479,6 +479,10 @@ void *RuntimeDyld::getSymbolAddress(StringRef Name) {
   return Dyld->getSymbolAddress(Name);
 }
 
+uint64_t RuntimeDyld::getSymbolLoadAddress(StringRef Name) {
+  return Dyld->getSymbolLoadAddress(Name);
+}
+
 void RuntimeDyld::resolveRelocations() {
   Dyld->resolveRelocations();
 }
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h
index 4b998ea..d5df732 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h
@@ -177,6 +177,10 @@ protected:
     return true;
   }
 
+  uint64_t getSectionLoadAddress(unsigned SectionID) {
+    return Sections[SectionID].LoadAddress;
+  }
+
   uint8_t *getSectionAddress(unsigned SectionID) {
     return (uint8_t*)Sections[SectionID].Address;
   }
@@ -270,6 +274,15 @@ public:
     return getSectionAddress(Loc.first) + Loc.second;
   }
 
+  uint64_t getSymbolLoadAddress(StringRef Name) {
+    // FIXME: Just look up as a function for now. Overly simple of course.
+    // Work in progress.
+    if (GlobalSymbolTable.find(Name) == GlobalSymbolTable.end())
+      return 0;
+    SymbolLoc Loc = GlobalSymbolTable.lookup(Name);
+    return getSectionLoadAddress(Loc.first) + Loc.second;
+  }
+
   void resolveRelocations();
 
   void reassignSectionAddress(unsigned SectionID, uint64_t Addr);