+++ /dev/null
-//===-- EmitFunctions.cpp - interface to insert instrumentation --*- C++ -*--=//
-//
-// This inserts a global constant table with function pointers all along
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/Instrumentation/EmitFunctions.h"
-#include "llvm/Constants.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Constants.h"
-#include "llvm/Module.h"
-
-using std::vector;
-
-struct EmitFunctionTable : public Pass {
- const char *getPassName() const { return "EmitFunctionTablePass"; }
-
- bool run(Module &M);
-};
-
-// Create a new pass to add function table
-//
-Pass *createEmitFunctionTablePass() {
- return new EmitFunctionTable();
-}
-
-// Per Module pass for inserting function table
-bool EmitFunctionTable::run(Module &M){
- vector<const Type*> vType;
- vector<Constant *> vConsts;
- for(Module::iterator MI = M.begin(), ME = M.end(); MI!=ME; ++MI)
- if (!MI->isExternal()) {
- ConstantPointerRef *CP = ConstantPointerRef::get(MI);
- vType.push_back(MI->getType());
- vConsts.push_back(CP);
- }
-
- StructType *sttype = StructType::get(vType);
- ConstantStruct *cstruct = ConstantStruct::get(sttype, vConsts);
-
- GlobalVariable *gb = new GlobalVariable(cstruct->getType(), true, false,
- cstruct, "llvmFunctionTable");
- M.getGlobalList().push_back(gb);
- return true; // Always modifies program
-}