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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "InterfaceStubs.h" 10 #include "CommonArgs.h" 11 #include "clang/Driver/Compilation.h" 12 #include "llvm/Support/Path.h" 13 14 namespace clang { 15 namespace driver { 16 namespace tools { 17 namespace ifstool { 18 void 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 llvm::opt::ArgStringList CmdArgs; 24 CmdArgs.push_back("-action"); 25 const bool WriteBin = !Args.getLastArg(options::OPT_emit_merged_ifs); 26 CmdArgs.push_back(WriteBin ? "write-bin" : "write-ifs"); 27 CmdArgs.push_back("-o"); 28 29 // Normally we want to write to a side-car file ending in ".ifso" so for 30 // example if `clang -emit-interface-stubs -shared -o libhello.so` were 31 // invoked then we would like to get libhello.so and libhello.ifso. If the 32 // stdout stream is given as the output file (ie `-o -`), that is the one 33 // exception where we will just append to the same filestream as the normal 34 // output. 35 SmallString<128> OutputFilename(Output.getFilename()); 36 if (OutputFilename != "-") { 37 if (Args.hasArg(options::OPT_shared)) 38 llvm::sys::path::replace_extension(OutputFilename, 39 (WriteBin ? "ifso" : "ifs")); 40 else 41 OutputFilename += (WriteBin ? ".ifso" : ".ifs"); 42 } 43 44 CmdArgs.push_back(Args.MakeArgString(OutputFilename.c_str())); 45 46 // Here we append the input files. If the input files are object files, then 47 // we look for .ifs files present in the same location as the object files. 48 for (const auto &Input : Inputs) { 49 if (!Input.isFilename()) 50 continue; 51 SmallString<128> InputFilename(Input.getFilename()); 52 if (Input.getType() == types::TY_Object) 53 llvm::sys::path::replace_extension(InputFilename, ".ifs"); 54 CmdArgs.push_back(Args.MakeArgString(InputFilename.c_str())); 55 } 56 57 C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(), 58 Args.MakeArgString(Merger), CmdArgs, 59 Inputs)); 60 } 61 } // namespace ifstool 62 } // namespace tools 63 } // namespace driver 64 } // namespace clang 65