-static void *CreateArgv(ExecutionEngine *EE,
- const std::vector<std::string> &InputArgv) {
- if (EE->getTargetData().getPointerSize() == 8) { // 64 bit target?
- PointerTy *Result = new PointerTy[InputArgv.size()+1];
- DEBUG(std::cerr << "ARGV = " << (void*)Result << "\n");
-
- for (unsigned i = 0; i < InputArgv.size(); ++i) {
- unsigned Size = InputArgv[i].size()+1;
- char *Dest = new char[Size];
- DEBUG(std::cerr << "ARGV[" << i << "] = " << (void*)Dest << "\n");
-
- std::copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
- Dest[Size-1] = 0;
-
- // Endian safe: Result[i] = (PointerTy)Dest;
- EE->StoreValueToMemory(PTOGV(Dest), (GenericValue*)(Result+i),
- Type::LongTy);
- }
- Result[InputArgv.size()] = 0;
- return Result;
- } else { // 32 bit target?
- int *Result = new int[InputArgv.size()+1];
- DEBUG(std::cerr << "ARGV = " << (void*)Result << "\n");
-
- for (unsigned i = 0; i < InputArgv.size(); ++i) {
- unsigned Size = InputArgv[i].size()+1;
- char *Dest = new char[Size];
- DEBUG(std::cerr << "ARGV[" << i << "] = " << (void*)Dest << "\n");
-
- std::copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
- Dest[Size-1] = 0;
-
- // Endian safe: Result[i] = (PointerTy)Dest;
- EE->StoreValueToMemory(PTOGV(Dest), (GenericValue*)(Result+i),
- Type::IntTy);
- }
- Result[InputArgv.size()] = 0; // null terminate it
- return Result;
- }
-}
-
-/// callAsMain - Call the function named FnName from M as if its
-/// signature were int main (int argc, char **argv, const char
-/// **envp), using the contents of Args to determine argc & argv, and
-/// the contents of EnvVars to determine envp. Returns the result
-/// from calling FnName, or -1 and prints an error msg. if the named
-/// function cannot be found.
-///
-int callAsMain(ExecutionEngine *EE, ModuleProvider *MP,
- const std::string &FnName,
- const std::vector<std::string> &Args,
- const std::vector<std::string> &EnvVars) {
- Function *Fn = MP->getModule()->getNamedFunction(FnName);
- if (!Fn) {
- std::cerr << "Function '" << FnName << "' not found in module.\n";
- return -1;
- }
- std::vector<GenericValue> GVArgs;
- GenericValue GVArgc;
- GVArgc.IntVal = Args.size();
- GVArgs.push_back(GVArgc); // Arg #0 = argc.
- GVArgs.push_back(PTOGV(CreateArgv(EE, Args))); // Arg #1 = argv.
- GVArgs.push_back(PTOGV(CreateArgv(EE, EnvVars))); // Arg #2 = envp.
- return EE->run(Fn, GVArgs).IntVal;