clang-1/lib/Driver/HostInfo.cpp

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//===--- HostInfo.cpp - Host specific information -----------------------*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/HostInfo.h"
#include "clang/Driver/Arg.h"
#include "clang/Driver/ArgList.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Option.h"
#include "clang/Driver/Options.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/Compiler.h"
#include "ToolChains.h"
#include <cassert>
using namespace clang::driver;
HostInfo::HostInfo(const Driver &D, const llvm::Triple &_Triple)
: TheDriver(D), Triple(_Triple) {
}
HostInfo::~HostInfo() {
}
namespace {
// Darwin Host Info
/// DarwinHostInfo - Darwin host information implementation.
class DarwinHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::DenseMap<unsigned, ToolChain*> ToolChains;
public:
DarwinHostInfo(const Driver &D, const llvm::Triple &Triple);
~DarwinHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
DarwinHostInfo::DarwinHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {
}
DarwinHostInfo::~DarwinHostInfo() {
for (llvm::DenseMap<unsigned, ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool DarwinHostInfo::useDriverDriver() const {
return true;
}
ToolChain *DarwinHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
llvm::Triple::ArchType Arch;
if (!ArchName) {
// If we aren't looking for a specific arch, infer the default architecture
// based on -arch and -m32/-m64 command line options.
if (Arg *A = Args.getLastArg(options::OPT_arch)) {
// The gcc driver behavior with multiple -arch flags wasn't consistent for
// things which rely on a default architecture. We just use the last -arch
// to find the default tool chain (assuming it is valid).
Arch = llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args));
// If it was invalid just use the host, we will reject this command line
// later.
if (Arch == llvm::Triple::UnknownArch)
Arch = getTriple().getArch();
} else {
// Otherwise default to the arch of the host.
Arch = getTriple().getArch();
}
// Honor -m32 and -m64 when finding the default tool chain.
//
// FIXME: Should this information be in llvm::Triple?
if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
if (A->getOption().matches(options::OPT_m32)) {
if (Arch == llvm::Triple::x86_64)
Arch = llvm::Triple::x86;
if (Arch == llvm::Triple::ppc64)
Arch = llvm::Triple::ppc;
} else {
if (Arch == llvm::Triple::x86)
Arch = llvm::Triple::x86_64;
if (Arch == llvm::Triple::ppc)
Arch = llvm::Triple::ppc64;
}
}
} else
Arch = llvm::Triple::getArchTypeForDarwinArchName(ArchName);
assert(Arch != llvm::Triple::UnknownArch && "Unexpected arch!");
ToolChain *&TC = ToolChains[Arch];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArch(Arch);
// If we recognized the arch, match it to the toolchains we support.
const char *UseNewToolChain = ::getenv("CCC_ENABLE_NEW_DARWIN_TOOLCHAIN");
if (UseNewToolChain ||
Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb) {
TC = new toolchains::DarwinClang(*this, TCTriple);
} else if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) {
// We still use the legacy DarwinGCC toolchain on X86.
TC = new toolchains::DarwinGCC(*this, TCTriple);
} else
TC = new toolchains::Darwin_Generic_GCC(*this, TCTriple);
}
return TC;
}
// TCE Host Info
/// TCEHostInfo - TCE host information implementation (see http://tce.cs.tut.fi)
class TCEHostInfo : public HostInfo {
public:
TCEHostInfo(const Driver &D, const llvm::Triple &Triple);
~TCEHostInfo() {}
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
TCEHostInfo::TCEHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {
}
bool TCEHostInfo::useDriverDriver() const {
return false;
}
ToolChain *TCEHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
llvm::Triple TCTriple(getTriple());
// TCTriple.setArchName(ArchName);
return new toolchains::TCEToolChain(*this, TCTriple);
}
// Unknown Host Info
/// UnknownHostInfo - Generic host information to use for unknown hosts.
class UnknownHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
UnknownHostInfo(const Driver &D, const llvm::Triple& Triple);
~UnknownHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
UnknownHostInfo::UnknownHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {
}
UnknownHostInfo::~UnknownHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool UnknownHostInfo::useDriverDriver() const {
return false;
}
ToolChain *UnknownHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
// Automatically handle some instances of -m32/-m64 we know about.
std::string Arch = getArchName();
ArchName = Arch.c_str();
if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
if (Triple.getArch() == llvm::Triple::x86 ||
Triple.getArch() == llvm::Triple::x86_64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "i386" : "x86_64";
} else if (Triple.getArch() == llvm::Triple::ppc ||
Triple.getArch() == llvm::Triple::ppc64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "powerpc" : "powerpc64";
}
}
ToolChain *&TC = ToolChains[ArchName];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(ArchName);
TC = new toolchains::Generic_GCC(*this, TCTriple);
}
return TC;
}
// OpenBSD Host Info
/// OpenBSDHostInfo - OpenBSD host information implementation.
class OpenBSDHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
OpenBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~OpenBSDHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
OpenBSDHostInfo::~OpenBSDHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool OpenBSDHostInfo::useDriverDriver() const {
return false;
}
ToolChain *OpenBSDHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
std::string Arch = getArchName();
ArchName = Arch.c_str();
ToolChain *&TC = ToolChains[ArchName];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(ArchName);
TC = new toolchains::OpenBSD(*this, TCTriple);
}
return TC;
}
// AuroraUX Host Info
/// AuroraUXHostInfo - AuroraUX host information implementation.
class AuroraUXHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
AuroraUXHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~AuroraUXHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
AuroraUXHostInfo::~AuroraUXHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool AuroraUXHostInfo::useDriverDriver() const {
return false;
}
ToolChain *AuroraUXHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
ToolChain *&TC = ToolChains[getArchName()];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(getArchName());
TC = new toolchains::AuroraUX(*this, TCTriple);
}
return TC;
}
// FreeBSD Host Info
/// FreeBSDHostInfo - FreeBSD host information implementation.
class FreeBSDHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
FreeBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~FreeBSDHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
FreeBSDHostInfo::~FreeBSDHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool FreeBSDHostInfo::useDriverDriver() const {
return false;
}
ToolChain *FreeBSDHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
// Automatically handle some instances of -m32/-m64 we know about.
std::string Arch = getArchName();
ArchName = Arch.c_str();
if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
if (Triple.getArch() == llvm::Triple::x86 ||
Triple.getArch() == llvm::Triple::x86_64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "i386" : "x86_64";
} else if (Triple.getArch() == llvm::Triple::ppc ||
Triple.getArch() == llvm::Triple::ppc64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "powerpc" : "powerpc64";
}
}
ToolChain *&TC = ToolChains[ArchName];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(ArchName);
TC = new toolchains::FreeBSD(*this, TCTriple);
}
return TC;
}
// Minix Host Info
/// MinixHostInfo - Minix host information implementation.
class MinixHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
MinixHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~MinixHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
MinixHostInfo::~MinixHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it){
delete it->second;
}
}
bool MinixHostInfo::useDriverDriver() const {
return false;
}
ToolChain *MinixHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
std::string Arch = getArchName();
ArchName = Arch.c_str();
ToolChain *&TC = ToolChains[ArchName];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(ArchName);
TC = new toolchains::Minix(*this, TCTriple);
}
return TC;
}
// DragonFly Host Info
/// DragonFlyHostInfo - DragonFly host information implementation.
class DragonFlyHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
DragonFlyHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~DragonFlyHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
DragonFlyHostInfo::~DragonFlyHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool DragonFlyHostInfo::useDriverDriver() const {
return false;
}
ToolChain *DragonFlyHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
ToolChain *&TC = ToolChains[getArchName()];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(getArchName());
TC = new toolchains::DragonFly(*this, TCTriple);
}
return TC;
}
// Linux Host Info
/// LinuxHostInfo - Linux host information implementation.
class LinuxHostInfo : public HostInfo {
/// Cache of tool chains we have created.
mutable llvm::StringMap<ToolChain*> ToolChains;
public:
LinuxHostInfo(const Driver &D, const llvm::Triple& Triple)
: HostInfo(D, Triple) {}
~LinuxHostInfo();
virtual bool useDriverDriver() const;
virtual ToolChain *CreateToolChain(const ArgList &Args,
const char *ArchName) const;
};
LinuxHostInfo::~LinuxHostInfo() {
for (llvm::StringMap<ToolChain*>::iterator
it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
delete it->second;
}
bool LinuxHostInfo::useDriverDriver() const {
return false;
}
ToolChain *LinuxHostInfo::CreateToolChain(const ArgList &Args,
const char *ArchName) const {
assert(!ArchName &&
"Unexpected arch name on platform without driver driver support.");
// Automatically handle some instances of -m32/-m64 we know about.
std::string Arch = getArchName();
ArchName = Arch.c_str();
if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
if (Triple.getArch() == llvm::Triple::x86 ||
Triple.getArch() == llvm::Triple::x86_64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "i386" : "x86_64";
} else if (Triple.getArch() == llvm::Triple::ppc ||
Triple.getArch() == llvm::Triple::ppc64) {
ArchName =
(A->getOption().matches(options::OPT_m32)) ? "powerpc" : "powerpc64";
}
}
ToolChain *&TC = ToolChains[ArchName];
if (!TC) {
llvm::Triple TCTriple(getTriple());
TCTriple.setArchName(ArchName);
TC = new toolchains::Linux(*this, TCTriple);
}
return TC;
}
}
const HostInfo *
clang::driver::createAuroraUXHostInfo(const Driver &D,
const llvm::Triple& Triple){
return new AuroraUXHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createDarwinHostInfo(const Driver &D,
const llvm::Triple& Triple){
return new DarwinHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createOpenBSDHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new OpenBSDHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createFreeBSDHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new FreeBSDHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createMinixHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new MinixHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createDragonFlyHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new DragonFlyHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createLinuxHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new LinuxHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createTCEHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new TCEHostInfo(D, Triple);
}
const HostInfo *
clang::driver::createUnknownHostInfo(const Driver &D,
const llvm::Triple& Triple) {
return new UnknownHostInfo(D, Triple);
}