| 1 | //===--- InterfaceStubs.cpp - Base InterfaceStubs Implementations C++ ---===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "InterfaceStubs.h" |
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| 10 | #include "CommonArgs.h" |
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| 11 | #include "clang/Driver/Compilation.h" |
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| 12 | #include "llvm/Support/Path.h" |
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| 13 | |
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| 14 | namespace clang { |
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| 15 | namespace driver { |
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| 16 | namespace tools { |
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| 17 | namespace ifstool { |
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| 18 | void Merger::ConstructJob(Compilation &C, const JobAction &JA, |
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| 19 | const InputInfo &Output, const InputInfoList &Inputs, |
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| 20 | const llvm::opt::ArgList &Args, |
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| 21 | const char *LinkingOutput) const { |
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| 22 | std::string Merger = getToolChain().GetProgramPath(Name: getShortName()); |
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| 23 | // TODO: Use IFS library directly in the future. |
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| 24 | llvm::opt::ArgStringList CmdArgs; |
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| 25 | CmdArgs.push_back(Elt: "--input-format=IFS" ); |
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| 26 | const bool WriteBin = !Args.getLastArg(options::OPT_emit_merged_ifs); |
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| 27 | CmdArgs.push_back(Elt: WriteBin ? "--output-format=ELF" : "--output-format=IFS" ); |
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| 28 | CmdArgs.push_back(Elt: "-o" ); |
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| 29 | |
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| 30 | // Normally we want to write to a side-car file ending in ".ifso" so for |
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| 31 | // example if `clang -emit-interface-stubs -shared -o libhello.so` were |
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| 32 | // invoked then we would like to get libhello.so and libhello.ifso. If the |
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| 33 | // stdout stream is given as the output file (ie `-o -`), that is the one |
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| 34 | // exception where we will just append to the same filestream as the normal |
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| 35 | // output. |
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| 36 | SmallString<128> OutputFilename(Output.getFilename()); |
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| 37 | if (OutputFilename != "-" ) { |
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| 38 | if (Args.hasArg(options::OPT_shared)) |
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| 39 | llvm::sys::path::replace_extension(path&: OutputFilename, |
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| 40 | extension: (WriteBin ? "ifso" : "ifs" )); |
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| 41 | else |
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| 42 | OutputFilename += (WriteBin ? ".ifso" : ".ifs" ); |
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| 43 | } |
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| 44 | |
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| 45 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: OutputFilename.c_str())); |
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| 46 | |
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| 47 | // Here we append the input files. If the input files are object files, then |
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| 48 | // we look for .ifs files present in the same location as the object files. |
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| 49 | for (const auto &Input : Inputs) { |
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| 50 | if (!Input.isFilename()) |
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| 51 | continue; |
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| 52 | SmallString<128> InputFilename(Input.getFilename()); |
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| 53 | if (Input.getType() == types::TY_Object) |
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| 54 | llvm::sys::path::replace_extension(path&: InputFilename, extension: ".ifs" ); |
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| 55 | CmdArgs.push_back(Elt: Args.MakeArgString(Str: InputFilename.c_str())); |
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| 56 | } |
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| 57 | |
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| 58 | C.addCommand(C: std::make_unique<Command>(args: JA, args: *this, args: ResponseFileSupport::None(), |
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| 59 | args: Args.MakeArgString(Str: Merger), args&: CmdArgs, |
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| 60 | args: Inputs, args: Output)); |
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| 61 | } |
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| 62 | } // namespace ifstool |
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| 63 | } // namespace tools |
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| 64 | } // namespace driver |
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| 65 | } // namespace clang |
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| 66 | |
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