compiler-rt/lib/orc/run_program_wrapper.cpp

   1 //===- run_program_wrapper.cpp --------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file is a part of the ORC runtime support library.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "adt.h"
  14 #include "common.h"
  15 #include "wrapper_function_utils.h"
  16
  17 #include <vector>
  18
  19 using namespace orc_rt;
  20
  21 extern "C" int64_t __orc_rt_run_program(const char *JITDylibName,
  22                                         const char *EntrySymbolName, int argc,
  23                                         char *argv[]);
  24
  25 ORC_RT_INTERFACE orc_rt_CWrapperFunctionResult
  26 __orc_rt_run_program_wrapper(const char *ArgData, size_t ArgSize) {
  27   return WrapperFunction<int64_t(SPSString, SPSString,
  28                                  SPSSequence<SPSString>)>::
  29       handle(ArgData, ArgSize,
  30              [](const std::string &JITDylibName,
  31                 const std::string &EntrySymbolName,
  32                 const std::vector<std::string_view> &Args) {
  33                std::vector<std::unique_ptr<char[]>> ArgVStorage;
  34                ArgVStorage.reserve(Args.size());
  35                for (auto &Arg : Args) {
  36                  ArgVStorage.push_back(
  37                      std::make_unique<char[]>(Arg.size() + 1));
  38                  memcpy(ArgVStorage.back().get(), Arg.data(), Arg.size());
  39                  ArgVStorage.back()[Arg.size()] = '\0';
  40                }
  41                std::vector<char *> ArgV;
  42                ArgV.reserve(ArgVStorage.size() + 1);
  43                for (auto &ArgStorage : ArgVStorage)
  44                  ArgV.push_back(ArgStorage.get());
  45                ArgV.push_back(nullptr);
  46                return __orc_rt_run_program(JITDylibName.c_str(),
  47                                            EntrySymbolName.c_str(),
  48                                            ArgV.size() - 1, ArgV.data());
  49              })
  50           .release();
  51 }