XCore.cpp

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//===--- XCore.cpp - XCore ToolChain 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 "XCore.h"
#include "CommonArgs.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/Options.h"
#include "llvm/Option/ArgList.h"
#include <cstdlib> // ::getenv
 
using namespace clang::driver;
using namespace clang::driver::toolchains;
using namespace clang;
using namespace llvm::opt;
 
/// XCore Tools
// We pass assemble and link construction to the xcc tool.
 
void tools::XCore::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
                                           const InputInfo &Output,
                                           const InputInfoList &Inputs,
                                           const ArgList &Args,
                                           const char *LinkingOutput) const {
  claimNoWarnArgs(Args);
  ArgStringList CmdArgs;
 
  CmdArgs.push_back("-o");
  CmdArgs.push_back(Output.getFilename());
 
  CmdArgs.push_back("-c");
 
  if (Args.hasArg(options::OPT_v))
    CmdArgs.push_back("-v");
 
  if (Arg *A = Args.getLastArg(options::OPT_g_Group))
    if (!A->getOption().matches(options::OPT_g0))
      CmdArgs.push_back("-g");
 
  if (Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm,
                   false))
    CmdArgs.push_back("-fverbose-asm");
 
  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
 
  for (const auto &II : Inputs)
    CmdArgs.push_back(II.getFilename());
 
  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
  C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
                                         Exec, CmdArgs, Inputs, Output));
}
 
void tools::XCore::Linker::ConstructJob(Compilation &C, const JobAction &JA,
                                        const InputInfo &Output,
                                        const InputInfoList &Inputs,
                                        const ArgList &Args,
                                        const char *LinkingOutput) const {
  ArgStringList CmdArgs;
 
  assert((Output.isFilename() || Output.isNothing()) && "Invalid output.");
  if (Output.isFilename()) {
    CmdArgs.push_back("-o");
    CmdArgs.push_back(Output.getFilename());
  }
 
  if (Args.hasArg(options::OPT_v))
    CmdArgs.push_back("-v");
 
  // Pass -fexceptions through to the linker if it was present.
  if (Args.hasFlag(options::OPT_fexceptions, options::OPT_fno_exceptions,
                   false))
    CmdArgs.push_back("-fexceptions");
 
  AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
 
  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("xcc"));
  C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
                                         Exec, CmdArgs, Inputs, Output));
}
 
/// XCore tool chain
XCoreToolChain::XCoreToolChain(const Driver &D, const llvm::Triple &Triple,
                               const ArgList &Args)
    : ToolChain(D, Triple, Args) {
  // ProgramPaths are found via 'PATH' environment variable.
}
 
Tool *XCoreToolChain::buildAssembler() const {
  return new tools::XCore::Assembler(*this);
}
 
Tool *XCoreToolChain::buildLinker() const {
  return new tools::XCore::Linker(*this);
}
 
bool XCoreToolChain::isPICDefault() const { return false; }