44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
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//===--- TargetExecutionUtils.cpp - Execution utils for target processes --===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/TargetProcess/TargetExecutionUtils.h"
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#include <vector>
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namespace llvm {
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namespace orc {
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int runAsMain(int (*Main)(int, char *[]), ArrayRef<std::string> Args,
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Optional<StringRef> ProgramName) {
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std::vector<std::unique_ptr<char[]>> ArgVStorage;
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std::vector<char *> ArgV;
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ArgVStorage.reserve(Args.size() + (ProgramName ? 1 : 0));
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ArgV.reserve(Args.size() + 1 + (ProgramName ? 1 : 0));
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if (ProgramName) {
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ArgVStorage.push_back(std::make_unique<char[]>(ProgramName->size() + 1));
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llvm::copy(*ProgramName, &ArgVStorage.back()[0]);
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ArgVStorage.back()[ProgramName->size()] = '\0';
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ArgV.push_back(ArgVStorage.back().get());
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}
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for (const auto &Arg : Args) {
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ArgVStorage.push_back(std::make_unique<char[]>(Arg.size() + 1));
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llvm::copy(Arg, &ArgVStorage.back()[0]);
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ArgVStorage.back()[Arg.size()] = '\0';
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ArgV.push_back(ArgVStorage.back().get());
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}
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ArgV.push_back(nullptr);
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return Main(Args.size() + !!ProgramName, ArgV.data());
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}
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} // End namespace orc.
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} // End namespace llvm.
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