| //===--- Bitrig.cpp - Bitrig ToolChain Implementations ----------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "Bitrig.h" |
| #include "CommonArgs.h" |
| #include "clang/Driver/Compilation.h" |
| #include "clang/Driver/Options.h" |
| #include "llvm/Option/ArgList.h" |
| |
| using namespace clang::driver; |
| using namespace clang::driver::toolchains; |
| using namespace clang::driver::tools; |
| using namespace clang; |
| using namespace llvm::opt; |
| |
| void bitrig::Assembler::ConstructJob(Compilation &C, const JobAction &JA, |
| const InputInfo &Output, |
| const InputInfoList &Inputs, |
| const ArgList &Args, |
| const char *LinkingOutput) const { |
| claimNoWarnArgs(Args); |
| ArgStringList CmdArgs; |
| |
| Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
| |
| CmdArgs.push_back("-o"); |
| CmdArgs.push_back(Output.getFilename()); |
| |
| for (const auto &II : Inputs) |
| CmdArgs.push_back(II.getFilename()); |
| |
| const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as")); |
| C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs)); |
| } |
| |
| void bitrig::Linker::ConstructJob(Compilation &C, const JobAction &JA, |
| const InputInfo &Output, |
| const InputInfoList &Inputs, |
| const ArgList &Args, |
| const char *LinkingOutput) const { |
| const Driver &D = getToolChain().getDriver(); |
| ArgStringList CmdArgs; |
| |
| if (!Args.hasArg(options::OPT_nostdlib, options::OPT_shared)) { |
| CmdArgs.push_back("-e"); |
| CmdArgs.push_back("__start"); |
| } |
| |
| if (Args.hasArg(options::OPT_static)) { |
| CmdArgs.push_back("-Bstatic"); |
| } else { |
| if (Args.hasArg(options::OPT_rdynamic)) |
| CmdArgs.push_back("-export-dynamic"); |
| CmdArgs.push_back("--eh-frame-hdr"); |
| CmdArgs.push_back("-Bdynamic"); |
| if (Args.hasArg(options::OPT_shared)) { |
| CmdArgs.push_back("-shared"); |
| } else { |
| CmdArgs.push_back("-dynamic-linker"); |
| CmdArgs.push_back("/usr/libexec/ld.so"); |
| } |
| } |
| |
| if (Output.isFilename()) { |
| CmdArgs.push_back("-o"); |
| CmdArgs.push_back(Output.getFilename()); |
| } else { |
| assert(Output.isNothing() && "Invalid output."); |
| } |
| |
| if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { |
| if (!Args.hasArg(options::OPT_shared)) { |
| if (Args.hasArg(options::OPT_pg)) |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("gcrt0.o"))); |
| else |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("crt0.o"))); |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o"))); |
| } else { |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("crtbeginS.o"))); |
| } |
| } |
| |
| Args.AddAllArgs(CmdArgs, |
| {options::OPT_L, options::OPT_T_Group, options::OPT_e}); |
| |
| AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA); |
| |
| if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { |
| if (D.CCCIsCXX()) { |
| getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs); |
| if (Args.hasArg(options::OPT_pg)) |
| CmdArgs.push_back("-lm_p"); |
| else |
| CmdArgs.push_back("-lm"); |
| } |
| |
| if (Args.hasArg(options::OPT_pthread)) { |
| if (!Args.hasArg(options::OPT_shared) && Args.hasArg(options::OPT_pg)) |
| CmdArgs.push_back("-lpthread_p"); |
| else |
| CmdArgs.push_back("-lpthread"); |
| } |
| |
| if (!Args.hasArg(options::OPT_shared)) { |
| if (Args.hasArg(options::OPT_pg)) |
| CmdArgs.push_back("-lc_p"); |
| else |
| CmdArgs.push_back("-lc"); |
| } |
| |
| StringRef MyArch; |
| switch (getToolChain().getArch()) { |
| case llvm::Triple::arm: |
| MyArch = "arm"; |
| break; |
| case llvm::Triple::x86: |
| MyArch = "i386"; |
| break; |
| case llvm::Triple::x86_64: |
| MyArch = "amd64"; |
| break; |
| default: |
| llvm_unreachable("Unsupported architecture"); |
| } |
| CmdArgs.push_back(Args.MakeArgString("-lclang_rt." + MyArch)); |
| } |
| |
| if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { |
| if (!Args.hasArg(options::OPT_shared)) |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("crtend.o"))); |
| else |
| CmdArgs.push_back( |
| Args.MakeArgString(getToolChain().GetFilePath("crtendS.o"))); |
| } |
| |
| const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath()); |
| C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs)); |
| } |
| |
| /// Bitrig - Bitrig tool chain which can call as(1) and ld(1) directly. |
| |
| Bitrig::Bitrig(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) |
| : Generic_ELF(D, Triple, Args) { |
| getFilePaths().push_back(getDriver().Dir + "/../lib"); |
| getFilePaths().push_back("/usr/lib"); |
| } |
| |
| Tool *Bitrig::buildAssembler() const { |
| return new tools::bitrig::Assembler(*this); |
| } |
| |
| Tool *Bitrig::buildLinker() const { return new tools::bitrig::Linker(*this); } |
| |
| ToolChain::CXXStdlibType Bitrig::GetDefaultCXXStdlibType() const { |
| return ToolChain::CST_Libcxx; |
| } |
| |
| void Bitrig::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, |
| llvm::opt::ArgStringList &CC1Args) const { |
| std::string Triple = getTriple().str(); |
| if (StringRef(Triple).startswith("amd64")) |
| Triple = "x86_64" + Triple.substr(5); |
| addLibStdCXXIncludePaths(getDriver().SysRoot, "/usr/include/c++/stdc++", |
| Triple, "", "", "", DriverArgs, CC1Args); |
| } |
| |
| void Bitrig::AddCXXStdlibLibArgs(const ArgList &Args, |
| ArgStringList &CmdArgs) const { |
| switch (GetCXXStdlibType(Args)) { |
| case ToolChain::CST_Libcxx: |
| CmdArgs.push_back("-lc++"); |
| CmdArgs.push_back("-lc++abi"); |
| CmdArgs.push_back("-lpthread"); |
| break; |
| case ToolChain::CST_Libstdcxx: |
| CmdArgs.push_back("-lstdc++"); |
| break; |
| } |
| } |