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//===--- 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;
}
}
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