Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 16 insertions, 31 deletions

diff --git a/lib/ExecutionEngine/MCJIT/MCJITMemoryManager.h b/lib/ExecutionEngine/MCJIT/MCJITMemoryManager.h
index 40bc031..a68949a 100644
--- a/lib/ExecutionEngine/MCJIT/MCJITMemoryManager.h
+++ b/lib/ExecutionEngine/MCJIT/MCJITMemoryManager.h
@@ -21,45 +21,30 @@ namespace llvm {
 // and the RuntimeDyld interface that maps objects, by name, onto their
 // matching LLVM IR counterparts in the module(s) being compiled.
 class MCJITMemoryManager : public RTDyldMemoryManager {
+  virtual void anchor();
   JITMemoryManager *JMM;
 
   // FIXME: Multiple modules.
   Module *M;
 public:
-  MCJITMemoryManager(JITMemoryManager *jmm, Module *m) : JMM(jmm), M(m) {}
+  MCJITMemoryManager(JITMemoryManager *jmm, Module *m) :
+    JMM(jmm?jmm:JITMemoryManager::CreateDefaultMemManager()), M(m) {}
+  // We own the JMM, so make sure to delete it.
+  ~MCJITMemoryManager() { delete JMM; }
+
+  uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
+                               unsigned SectionID) {
+    return JMM->allocateSpace(Size, Alignment);
+  }
 
-  // Allocate ActualSize bytes, or more, for the named function. Return
-  // a pointer to the allocated memory and update Size to reflect how much
-  // memory was acutally allocated.
-  uint8_t *startFunctionBody(const char *Name, uintptr_t &Size) {
-    // FIXME: This should really reference the MCAsmInfo to get the global
-    //        prefix.
-    if (Name[0] == '_') ++Name;
-    Function *F = M->getFunction(Name);
-    // Some ObjC names have a prefixed \01 in the IR. If we failed to find
-    // the symbol and it's of the ObjC conventions (starts with "-"), try
-    // prepending a \01 and see if we can find it that way.
-    if (!F && Name[0] == '-')
-      F = M->getFunction((Twine("\1") + Name).str());
-    assert(F && "No matching function in JIT IR Module!");
-    return JMM->startFunctionBody(F, Size);
+  uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
+                               unsigned SectionID) {
+    return JMM->allocateSpace(Size, Alignment);
   }
 
-  // Mark the end of the function, including how much of the allocated
-  // memory was actually used.
-  void endFunctionBody(const char *Name, uint8_t *FunctionStart,
-                       uint8_t *FunctionEnd) {
-    // FIXME: This should really reference the MCAsmInfo to get the global
-    //        prefix.
-    if (Name[0] == '_') ++Name;
-    Function *F = M->getFunction(Name);
-    // Some ObjC names have a prefixed \01 in the IR. If we failed to find
-    // the symbol and it's of the ObjC conventions (starts with "-"), try
-    // prepending a \01 and see if we can find it that way.
-    if (!F && Name[0] == '-')
-      F = M->getFunction((Twine("\1") + Name).str());
-    assert(F && "No matching function in JIT IR Module!");
-    JMM->endFunctionBody(F, FunctionStart, FunctionEnd);
+  virtual void *getPointerToNamedFunction(const std::string &Name,
+                                          bool AbortOnFailure = true) {
+    return JMM->getPointerToNamedFunction(Name, AbortOnFailure);
   }
 
 };