66 lines · cpp
1//===--- InterfaceStubs.cpp - Base InterfaceStubs Implementations C++ ---===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "InterfaceStubs.h"10#include "clang/Driver/CommonArgs.h"11#include "clang/Driver/Compilation.h"12#include "llvm/Support/Path.h"13 14namespace clang {15namespace driver {16namespace tools {17namespace ifstool {18void Merger::ConstructJob(Compilation &C, const JobAction &JA,19 const InputInfo &Output, const InputInfoList &Inputs,20 const llvm::opt::ArgList &Args,21 const char *LinkingOutput) const {22 std::string Merger = getToolChain().GetProgramPath(getShortName());23 // TODO: Use IFS library directly in the future.24 llvm::opt::ArgStringList CmdArgs;25 CmdArgs.push_back("--input-format=IFS");26 const bool WriteBin = !Args.getLastArg(options::OPT_emit_merged_ifs);27 CmdArgs.push_back(WriteBin ? "--output-format=ELF" : "--output-format=IFS");28 CmdArgs.push_back("-o");29 30 // Normally we want to write to a side-car file ending in ".ifso" so for31 // example if `clang -emit-interface-stubs -shared -o libhello.so` were32 // invoked then we would like to get libhello.so and libhello.ifso. If the33 // stdout stream is given as the output file (ie `-o -`), that is the one34 // exception where we will just append to the same filestream as the normal35 // output.36 SmallString<128> OutputFilename(Output.getFilename());37 if (OutputFilename != "-") {38 if (Args.hasArg(options::OPT_shared))39 llvm::sys::path::replace_extension(OutputFilename,40 (WriteBin ? "ifso" : "ifs"));41 else42 OutputFilename += (WriteBin ? ".ifso" : ".ifs");43 }44 45 CmdArgs.push_back(Args.MakeArgString(OutputFilename.c_str()));46 47 // Here we append the input files. If the input files are object files, then48 // we look for .ifs files present in the same location as the object files.49 for (const auto &Input : Inputs) {50 if (!Input.isFilename())51 continue;52 SmallString<128> InputFilename(Input.getFilename());53 if (Input.getType() == types::TY_Object)54 llvm::sys::path::replace_extension(InputFilename, ".ifs");55 CmdArgs.push_back(Args.MakeArgString(InputFilename.c_str()));56 }57 58 C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),59 Args.MakeArgString(Merger), CmdArgs,60 Inputs, Output));61}62} // namespace ifstool63} // namespace tools64} // namespace driver65} // namespace clang66