forked from OSchip/llvm-project
129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
//===--- Mips.cpp - Mips 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 "MipsLinux.h"
|
|
#include "Arch/Mips.h"
|
|
#include "CommonArgs.h"
|
|
#include "clang/Config/config.h"
|
|
#include "clang/Driver/Driver.h"
|
|
#include "clang/Driver/DriverDiagnostic.h"
|
|
#include "clang/Driver/Options.h"
|
|
#include "llvm/Option/ArgList.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/Path.h"
|
|
|
|
using namespace clang::driver;
|
|
using namespace clang::driver::toolchains;
|
|
using namespace clang;
|
|
using namespace llvm::opt;
|
|
|
|
/// Mips Toolchain
|
|
MipsLLVMToolChain::MipsLLVMToolChain(const Driver &D,
|
|
const llvm::Triple &Triple,
|
|
const ArgList &Args)
|
|
: Linux(D, Triple, Args) {
|
|
// Select the correct multilib according to the given arguments.
|
|
DetectedMultilibs Result;
|
|
findMIPSMultilibs(D, Triple, "", Args, Result);
|
|
Multilibs = Result.Multilibs;
|
|
SelectedMultilib = Result.SelectedMultilib;
|
|
|
|
// Find out the library suffix based on the ABI.
|
|
LibSuffix = tools::mips::getMipsABILibSuffix(Args, Triple);
|
|
getFilePaths().clear();
|
|
getFilePaths().push_back(computeSysRoot() + "/usr/lib" + LibSuffix);
|
|
}
|
|
|
|
void MipsLLVMToolChain::AddClangSystemIncludeArgs(
|
|
const ArgList &DriverArgs, ArgStringList &CC1Args) const {
|
|
if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
|
|
return;
|
|
|
|
const Driver &D = getDriver();
|
|
|
|
if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
|
|
SmallString<128> P(D.ResourceDir);
|
|
llvm::sys::path::append(P, "include");
|
|
addSystemInclude(DriverArgs, CC1Args, P);
|
|
}
|
|
|
|
if (DriverArgs.hasArg(options::OPT_nostdlibinc))
|
|
return;
|
|
|
|
const auto &Callback = Multilibs.includeDirsCallback();
|
|
if (Callback) {
|
|
for (const auto &Path : Callback(SelectedMultilib))
|
|
addExternCSystemIncludeIfExists(DriverArgs, CC1Args,
|
|
D.getInstalledDir() + Path);
|
|
}
|
|
}
|
|
|
|
Tool *MipsLLVMToolChain::buildLinker() const {
|
|
return new tools::gnutools::Linker(*this);
|
|
}
|
|
|
|
std::string MipsLLVMToolChain::computeSysRoot() const {
|
|
if (!getDriver().SysRoot.empty())
|
|
return getDriver().SysRoot + SelectedMultilib.osSuffix();
|
|
|
|
const std::string InstalledDir(getDriver().getInstalledDir());
|
|
std::string SysRootPath =
|
|
InstalledDir + "/../sysroot" + SelectedMultilib.osSuffix();
|
|
if (llvm::sys::fs::exists(SysRootPath))
|
|
return SysRootPath;
|
|
|
|
return std::string();
|
|
}
|
|
|
|
ToolChain::CXXStdlibType
|
|
MipsLLVMToolChain::GetCXXStdlibType(const ArgList &Args) const {
|
|
Arg *A = Args.getLastArg(options::OPT_stdlib_EQ);
|
|
if (A) {
|
|
StringRef Value = A->getValue();
|
|
if (Value != "libc++")
|
|
getDriver().Diag(clang::diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
|
|
return ToolChain::CST_Libcxx;
|
|
}
|
|
|
|
std::string MipsLLVMToolChain::findLibCxxIncludePath() const {
|
|
if (const auto &Callback = Multilibs.includeDirsCallback()) {
|
|
for (std::string Path : Callback(SelectedMultilib)) {
|
|
Path = getDriver().getInstalledDir() + Path + "/c++/v1";
|
|
if (llvm::sys::fs::exists(Path)) {
|
|
return Path;
|
|
}
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
void MipsLLVMToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
assert((GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) &&
|
|
"Only -lc++ (aka libxx) is supported in this toolchain.");
|
|
|
|
CmdArgs.push_back("-lc++");
|
|
CmdArgs.push_back("-lc++abi");
|
|
CmdArgs.push_back("-lunwind");
|
|
}
|
|
|
|
std::string MipsLLVMToolChain::getCompilerRT(const ArgList &Args,
|
|
StringRef Component,
|
|
bool Shared) const {
|
|
SmallString<128> Path(getDriver().ResourceDir);
|
|
llvm::sys::path::append(Path, SelectedMultilib.osSuffix(), "lib" + LibSuffix,
|
|
getOS());
|
|
llvm::sys::path::append(Path, Twine("libclang_rt." + Component + "-" +
|
|
"mips" + (Shared ? ".so" : ".a")));
|
|
return Path.str();
|
|
}
|