clang  12.0.0git
InterfaceStubs.cpp
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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"
12 #include "llvm/Support/Path.h"
13 
14 namespace clang {
15 namespace driver {
16 namespace tools {
17 namespace ifstool {
19  const InputInfo &Output, const InputInfoList &Inputs,
20  const llvm::opt::ArgList &Args,
21  const char *LinkingOutput) const {
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
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
const char * getFilename() const
Definition: InputInfo.h:83
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:22
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:205
const char * getShortName() const
Definition: Tool.h:50
Dataflow Directional Tag Classes.
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:45
const ToolChain & getToolChain() const
Definition: Tool.h:52
std::string GetProgramPath(const char *Name) const
Definition: ToolChain.cpp:545
static constexpr ResponseFileSupport None()
Returns a ResponseFileSupport indicating that response files are not supported.
Definition: Job.h:77