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//===--- InterfaceStubs.cpp - Base InterfaceStubs Implementations C++ ---===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "InterfaceStubs.h"
#include "CommonArgs.h"
#include "clang/Driver/Compilation.h"
#include "llvm/Support/Path.h"
namespace clang {
namespace driver {
namespace tools {
namespace ifstool {
void Merger::ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &Args,
const char *LinkingOutput) const {
std::string Merger = getToolChain().GetProgramPath(getShortName());
// TODO: Use IFS library directly in the future.
llvm::opt::ArgStringList CmdArgs;
CmdArgs.push_back("--input-format=IFS");
const bool WriteBin = !Args.getLastArg(options::OPT_emit_merged_ifs);
CmdArgs.push_back(WriteBin ? "--output-format=ELF" : "--output-format=IFS");
CmdArgs.push_back("-o");
// Normally we want to write to a side-car file ending in ".ifso" so for
// example if `clang -emit-interface-stubs -shared -o libhello.so` were
// invoked then we would like to get libhello.so and libhello.ifso. If the
// stdout stream is given as the output file (ie `-o -`), that is the one
// exception where we will just append to the same filestream as the normal
// output.
SmallString<128> OutputFilename(Output.getFilename());
if (OutputFilename != "-") {
if (Args.hasArg(options::OPT_shared))
llvm::sys::path::replace_extension(OutputFilename,
(WriteBin ? "ifso" : "ifs"));
else
OutputFilename += (WriteBin ? ".ifso" : ".ifs");
}
CmdArgs.push_back(Args.MakeArgString(OutputFilename.c_str()));
// Here we append the input files. If the input files are object files, then
// we look for .ifs files present in the same location as the object files.
for (const auto &Input : Inputs) {
if (!Input.isFilename())
continue;
SmallString<128> InputFilename(Input.getFilename());
if (Input.getType() == types::TY_Object)
llvm::sys::path::replace_extension(InputFilename, ".ifs");
CmdArgs.push_back(Args.MakeArgString(InputFilename.c_str()));
}
C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
Args.MakeArgString(Merger), CmdArgs,
Inputs, Output));
}
} // namespace ifstool
} // namespace tools
} // namespace driver
} // namespace clang
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