Roll out r182407 and r182408 because they broke builds.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182409 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 89 insertions, 217 deletions

diff --git a/lib/ExecutionEngine/CMakeLists.txt b/lib/ExecutionEngine/CMakeLists.txt
index 3102c7b..cb11bfe 100644
--- a/lib/ExecutionEngine/CMakeLists.txt
+++ b/lib/ExecutionEngine/CMakeLists.txt
@@ -3,7 +3,6 @@
 add_llvm_library(LLVMExecutionEngine
   ExecutionEngine.cpp
   ExecutionEngineBindings.cpp
-  RTDyldMemoryManager.cpp
   TargetSelect.cpp
   )
 
diff --git a/lib/ExecutionEngine/ExecutionEngineBindings.cpp b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
index 88e73bf..f9b08a0 100644
--- a/lib/ExecutionEngine/ExecutionEngineBindings.cpp
+++ b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
@@ -15,7 +15,6 @@
 #include "llvm-c/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
-#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/ErrorHandling.h"
@@ -158,8 +157,10 @@ LLVMBool LLVMCreateJITCompilerForModule(LLVMExecutionEngineRef *OutJIT,
 void LLVMInitializeMCJITCompilerOptions(LLVMMCJITCompilerOptions *PassedOptions,
                                         size_t SizeOfPassedOptions) {
   LLVMMCJITCompilerOptions options;
-  memset(&options, 0, sizeof(options)); // Most fields are zero by default.
+  options.OptLevel = 0;
   options.CodeModel = LLVMCodeModelJITDefault;
+  options.NoFramePointerElim = false;
+  options.EnableFastISel = false;
   
   memcpy(PassedOptions, &options,
          std::min(sizeof(options), SizeOfPassedOptions));
@@ -198,8 +199,6 @@ LLVMBool LLVMCreateMCJITCompilerForModule(
          .setOptLevel((CodeGenOpt::Level)options.OptLevel)
          .setCodeModel(unwrap(options.CodeModel))
          .setTargetOptions(targetOptions);
-  if (options.MCJMM)
-    builder.setMCJITMemoryManager(unwrap(options.MCJMM));
   if (ExecutionEngine *JIT = builder.create()) {
     *OutJIT = wrap(JIT);
     return 0;
@@ -333,110 +332,3 @@ void *LLVMGetPointerToGlobal(LLVMExecutionEngineRef EE, LLVMValueRef Global) {
   
   return unwrap(EE)->getPointerToGlobal(unwrap<GlobalValue>(Global));
 }
-
-/*===-- Operations on memory managers -------------------------------------===*/
-
-namespace {
-
-struct SimpleBindingMMFunctions {
-  uint8_t *(*AllocateCodeSection)(void *Opaque,
-                                  uintptr_t Size, unsigned Alignment,
-                                  unsigned SectionID);
-  uint8_t *(*AllocateDataSection)(void *Opaque,
-                                  uintptr_t Size, unsigned Alignment,
-                                  unsigned SectionID, LLVMBool IsReadOnly);
-  LLVMBool (*FinalizeMemory)(void *Opaque, char **ErrMsg);
-  void (*Destroy)(void *Opaque);
-};
-
-class SimpleBindingMemoryManager : public RTDyldMemoryManager {
-public:
-  SimpleBindingMemoryManager(const SimpleBindingMMFunctions& Functions,
-                             void *Opaque);
-  virtual ~SimpleBindingMemoryManager();
-  
-  virtual uint8_t *allocateCodeSection(uintptr_t Size, unsigned Alignment,
-                                       unsigned SectionID);
-
-  virtual uint8_t *allocateDataSection(uintptr_t Size, unsigned Alignment,
-                                       unsigned SectionID,
-                                       bool isReadOnly);
-
-  virtual bool finalizeMemory(std::string *ErrMsg);
-  
-private:
-  SimpleBindingMMFunctions Functions;
-  void *Opaque;
-};
-
-SimpleBindingMemoryManager::SimpleBindingMemoryManager(
-  const SimpleBindingMMFunctions& Functions,
-  void *Opaque)
-  : Functions(Functions), Opaque(Opaque) {
-  assert(Functions.AllocateCodeSection &&
-         "No AllocateCodeSection function provided!");
-  assert(Functions.AllocateDataSection &&
-         "No AllocateDataSection function provided!");
-  assert(Functions.FinalizeMemory &&
-         "No FinalizeMemory function provided!");
-  assert(Functions.Destroy &&
-         "No Destroy function provided!");
-}
-
-SimpleBindingMemoryManager::~SimpleBindingMemoryManager() {
-  Functions.Destroy(Opaque);
-}
-
-uint8_t *SimpleBindingMemoryManager::allocateCodeSection(
-  uintptr_t Size, unsigned Alignment, unsigned SectionID) {
-  return Functions.AllocateCodeSection(Opaque, Size, Alignment, SectionID);
-}
-
-uint8_t *SimpleBindingMemoryManager::allocateDataSection(
-  uintptr_t Size, unsigned Alignment, unsigned SectionID, bool isReadOnly) {
-  return Functions.AllocateDataSection(Opaque, Size, Alignment, SectionID,
-                                       isReadOnly);
-}
-
-bool SimpleBindingMemoryManager::finalizeMemory(std::string *ErrMsg) {
-  char *errMsgCString = 0;
-  bool result = Functions.FinalizeMemory(Opaque, &errMsgCString);
-  assert((result || !errMsgCString) &&
-         "Did not expect an error message if FinalizeMemory succeeded");
-  if (errMsgCString) {
-    if (ErrMsg)
-      *ErrMsg = errMsgCString;
-    free(errMsgCString);
-  }
-  return result;
-}
-
-} // anonymous namespace
-
-LLVMMCJITMemoryManagerRef LLVMCreateSimpleMCJITMemoryManager(
-  void *Opaque,
-  uint8_t *(*AllocateCodeSection)(void *Opaque,
-                                  uintptr_t Size, unsigned Alignment,
-                                  unsigned SectionID),
-  uint8_t *(*AllocateDataSection)(void *Opaque,
-                                  uintptr_t Size, unsigned Alignment,
-                                  unsigned SectionID, LLVMBool IsReadOnly),
-  LLVMBool (*FinalizeMemory)(void *Opaque, char **ErrMsg),
-  void (*Destroy)(void *Opaque)) {
-  
-  if (!AllocateCodeSection || !AllocateDataSection || !FinalizeMemory ||
-      !Destroy)
-    return NULL;
-  
-  SimpleBindingMMFunctions functions;
-  functions.AllocateCodeSection = AllocateCodeSection;
-  functions.AllocateDataSection = AllocateDataSection;
-  functions.FinalizeMemory = FinalizeMemory;
-  functions.Destroy = Destroy;
-  return wrap(new SimpleBindingMemoryManager(functions, Opaque));
-}
-
-void LLVMDisposeMCJITMemoryManager(LLVMMCJITMemoryManagerRef MM) {
-  delete unwrap(MM);
-}
-
diff --git a/lib/ExecutionEngine/MCJIT/SectionMemoryManager.cpp b/lib/ExecutionEngine/MCJIT/SectionMemoryManager.cpp
index 397426a..1bb0103 100644
--- a/lib/ExecutionEngine/MCJIT/SectionMemoryManager.cpp
+++ b/lib/ExecutionEngine/MCJIT/SectionMemoryManager.cpp
@@ -14,6 +14,7 @@
 
 #include "llvm/Config/config.h"
 #include "llvm/ExecutionEngine/SectionMemoryManager.h"
+#include "llvm/Support/DynamicLibrary.h"
 #include "llvm/Support/MathExtras.h"
 
 #ifdef __linux__
@@ -145,6 +146,38 @@ bool SectionMemoryManager::finalizeMemory(std::string *ErrMsg)
   return false;
 }
 
+// Determine whether we can register EH tables.
+#if (defined(__GNUC__) && !defined(__ARM_EABI__) && \
+     !defined(__USING_SJLJ_EXCEPTIONS__))
+#define HAVE_EHTABLE_SUPPORT 1
+#else
+#define HAVE_EHTABLE_SUPPORT 0
+#endif
+
+#if HAVE_EHTABLE_SUPPORT
+extern "C" void __register_frame(void*);
+
+static const char *processFDE(const char *Entry) {
+  const char *P = Entry;
+  uint32_t Length = *((uint32_t*)P);
+  P += 4;
+  uint32_t Offset = *((uint32_t*)P);
+  if (Offset != 0)
+    __register_frame((void*)Entry);
+  return P + Length;
+}
+#endif
+
+void SectionMemoryManager::registerEHFrames(StringRef SectionData) {
+#if HAVE_EHTABLE_SUPPORT
+  const char *P = SectionData.data();
+  const char *End = SectionData.data() + SectionData.size();
+  do  {
+    P = processFDE(P);
+  } while(P != End);
+#endif
+}
+
 error_code SectionMemoryManager::applyMemoryGroupPermissions(MemoryGroup &MemGroup,
                                                              unsigned Permissions) {
 
@@ -166,6 +199,57 @@ void SectionMemoryManager::invalidateInstructionCache() {
                                             CodeMem.AllocatedMem[i].size());
 }
 
+static int jit_noop() {
+  return 0;
+}
+
+void *SectionMemoryManager::getPointerToNamedFunction(const std::string &Name,
+                                                       bool AbortOnFailure) {
+#if defined(__linux__)
+  //===--------------------------------------------------------------------===//
+  // Function stubs that are invoked instead of certain library calls
+  //
+  // Force the following functions to be linked in to anything that uses the
+  // JIT. This is a hack designed to work around the all-too-clever Glibc
+  // strategy of making these functions work differently when inlined vs. when
+  // not inlined, and hiding their real definitions in a separate archive file
+  // that the dynamic linker can't see. For more info, search for
+  // 'libc_nonshared.a' on Google, or read http://llvm.org/PR274.
+  if (Name == "stat") return (void*)(intptr_t)&stat;
+  if (Name == "fstat") return (void*)(intptr_t)&fstat;
+  if (Name == "lstat") return (void*)(intptr_t)&lstat;
+  if (Name == "stat64") return (void*)(intptr_t)&stat64;
+  if (Name == "fstat64") return (void*)(intptr_t)&fstat64;
+  if (Name == "lstat64") return (void*)(intptr_t)&lstat64;
+  if (Name == "atexit") return (void*)(intptr_t)&atexit;
+  if (Name == "mknod") return (void*)(intptr_t)&mknod;
+#endif // __linux__
+
+  // We should not invoke parent's ctors/dtors from generated main()!
+  // On Mingw and Cygwin, the symbol __main is resolved to
+  // callee's(eg. tools/lli) one, to invoke wrong duplicated ctors
+  // (and register wrong callee's dtors with atexit(3)).
+  // We expect ExecutionEngine::runStaticConstructorsDestructors()
+  // is called before ExecutionEngine::runFunctionAsMain() is called.
+  if (Name == "__main") return (void*)(intptr_t)&jit_noop;
+
+  const char *NameStr = Name.c_str();
+  void *Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr);
+  if (Ptr) return Ptr;
+
+  // If it wasn't found and if it starts with an underscore ('_') character,
+  // try again without the underscore.
+  if (NameStr[0] == '_') {
+    Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr+1);
+    if (Ptr) return Ptr;
+  }
+
+  if (AbortOnFailure)
+    report_fatal_error("Program used external function '" + Name +
+                      "' which could not be resolved!");
+  return 0;
+}
+
 SectionMemoryManager::~SectionMemoryManager() {
   for (unsigned i = 0, e = CodeMem.AllocatedMem.size(); i != e; ++i)
     sys::Memory::releaseMappedMemory(CodeMem.AllocatedMem[i]);
diff --git a/lib/ExecutionEngine/RTDyldMemoryManager.cpp b/lib/ExecutionEngine/RTDyldMemoryManager.cpp
deleted file mode 100644
index 9d80281..0000000
--- a/lib/ExecutionEngine/RTDyldMemoryManager.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-//===-- RTDyldMemoryManager.cpp - Memory manager for MC-JIT -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Implementation of the runtime dynamic memory manager base class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/ExecutionEngine/RTDyldMemoryManager.h"
-#include "llvm/Support/DynamicLibrary.h"
-#include "llvm/Support/ErrorHandling.h"
-
-namespace llvm {
-
-RTDyldMemoryManager::~RTDyldMemoryManager() {}
-
-// Determine whether we can register EH tables.
-#if (defined(__GNUC__) && !defined(__ARM_EABI__) && \
-     !defined(__USING_SJLJ_EXCEPTIONS__))
-#define HAVE_EHTABLE_SUPPORT 1
-#else
-#define HAVE_EHTABLE_SUPPORT 0
-#endif
-
-#if HAVE_EHTABLE_SUPPORT
-extern "C" void __register_frame(void*);
-
-static const char *processFDE(const char *Entry) {
-  const char *P = Entry;
-  uint32_t Length = *((uint32_t*)P);
-  P += 4;
-  uint32_t Offset = *((uint32_t*)P);
-  if (Offset != 0)
-    __register_frame((void*)Entry);
-  return P + Length;
-}
-#endif
-
-void RTDyldMemoryManager::registerEHFrames(StringRef SectionData) {
-#if HAVE_EHTABLE_SUPPORT
-  const char *P = SectionData.data();
-  const char *End = SectionData.data() + SectionData.size();
-  do  {
-    P = processFDE(P);
-  } while(P != End);
-#endif
-}
-
-static int jit_noop() {
-  return 0;
-}
-
-void *RTDyldMemoryManager::getPointerToNamedFunction(const std::string &Name,
-                                                     bool AbortOnFailure) {
-#if defined(__linux__)
-  //===--------------------------------------------------------------------===//
-  // Function stubs that are invoked instead of certain library calls
-  //
-  // Force the following functions to be linked in to anything that uses the
-  // JIT. This is a hack designed to work around the all-too-clever Glibc
-  // strategy of making these functions work differently when inlined vs. when
-  // not inlined, and hiding their real definitions in a separate archive file
-  // that the dynamic linker can't see. For more info, search for
-  // 'libc_nonshared.a' on Google, or read http://llvm.org/PR274.
-  if (Name == "stat") return (void*)(intptr_t)&stat;
-  if (Name == "fstat") return (void*)(intptr_t)&fstat;
-  if (Name == "lstat") return (void*)(intptr_t)&lstat;
-  if (Name == "stat64") return (void*)(intptr_t)&stat64;
-  if (Name == "fstat64") return (void*)(intptr_t)&fstat64;
-  if (Name == "lstat64") return (void*)(intptr_t)&lstat64;
-  if (Name == "atexit") return (void*)(intptr_t)&atexit;
-  if (Name == "mknod") return (void*)(intptr_t)&mknod;
-#endif // __linux__
-
-  // We should not invoke parent's ctors/dtors from generated main()!
-  // On Mingw and Cygwin, the symbol __main is resolved to
-  // callee's(eg. tools/lli) one, to invoke wrong duplicated ctors
-  // (and register wrong callee's dtors with atexit(3)).
-  // We expect ExecutionEngine::runStaticConstructorsDestructors()
-  // is called before ExecutionEngine::runFunctionAsMain() is called.
-  if (Name == "__main") return (void*)(intptr_t)&jit_noop;
-
-  const char *NameStr = Name.c_str();
-  void *Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr);
-  if (Ptr) return Ptr;
-
-  // If it wasn't found and if it starts with an underscore ('_') character,
-  // try again without the underscore.
-  if (NameStr[0] == '_') {
-    Ptr = sys::DynamicLibrary::SearchForAddressOfSymbol(NameStr+1);
-    if (Ptr) return Ptr;
-  }
-
-  if (AbortOnFailure)
-    report_fatal_error("Program used external function '" + Name +
-                       "' which could not be resolved!");
-  return 0;
-}
-
-} // namespace llvm
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
index 844f1c2..a08b508 100644
--- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
@@ -24,6 +24,8 @@ using namespace llvm;
 using namespace llvm::object;
 
 // Empty out-of-line virtual destructor as the key function.
+RTDyldMemoryManager::~RTDyldMemoryManager() {}
+void RTDyldMemoryManager::registerEHFrames(StringRef SectionData) {}
 RuntimeDyldImpl::~RuntimeDyldImpl() {}
 
 namespace llvm {