forked from OSchip/llvm-project
499 lines
14 KiB
C++
499 lines
14 KiB
C++
//===--- HostInfo.cpp - Host specific information -----------------------*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Driver/HostInfo.h"
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#include "clang/Driver/Arg.h"
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#include "clang/Driver/ArgList.h"
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#include "clang/Driver/Driver.h"
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#include "clang/Driver/DriverDiagnostic.h"
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#include "clang/Driver/Option.h"
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#include "clang/Driver/Options.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/Support/Compiler.h"
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#include "ToolChains.h"
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#include <cassert>
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using namespace clang::driver;
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HostInfo::HostInfo(const Driver &D, const llvm::Triple &_Triple)
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: TheDriver(D), Triple(_Triple)
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{
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}
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HostInfo::~HostInfo() {
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}
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namespace {
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// Darwin Host Info
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/// DarwinHostInfo - Darwin host information implementation.
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class DarwinHostInfo : public HostInfo {
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/// Darwin version of host.
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unsigned DarwinVersion[3];
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/// GCC version to use on this host.
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unsigned GCCVersion[3];
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain *> ToolChains;
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public:
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DarwinHostInfo(const Driver &D, const llvm::Triple &Triple);
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~DarwinHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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types::ID Ty = types::lookupTypeForExtension(Ext);
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// Darwin always preprocesses assembly files (unless -x is used
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// explicitly).
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if (Ty == types::TY_PP_Asm)
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return types::TY_Asm;
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return Ty;
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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DarwinHostInfo::DarwinHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {
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assert((getArchName() == "i386" || getArchName() == "x86_64" ||
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getArchName() == "powerpc" || getArchName() == "powerpc64" ||
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getArchName() == "arm") &&
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"Unknown Darwin arch.");
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assert(memcmp(&getOSName()[0], "darwin", 6) == 0 &&
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"Unknown Darwin platform.");
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bool HadExtra;
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if (!Driver::GetReleaseVersion(&getOSName()[6],
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DarwinVersion[0], DarwinVersion[1],
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DarwinVersion[2], HadExtra)) {
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D.Diag(clang::diag::err_drv_invalid_darwin_version)
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<< getOSName();
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}
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// We can only call 4.2.1 for now.
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GCCVersion[0] = 4;
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GCCVersion[1] = 2;
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GCCVersion[2] = 1;
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}
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DarwinHostInfo::~DarwinHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool DarwinHostInfo::useDriverDriver() const {
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return true;
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}
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ToolChain *DarwinHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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std::string Arch;
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if (!ArchName) {
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// If we aren't looking for a specific arch, infer the default architecture
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// based on -arch and -m32/-m64 command line options.
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if (Arg *A = Args.getLastArg(options::OPT_arch)) {
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// The gcc driver behavior with multiple -arch flags wasn't consistent for
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// things which rely on a default architecture. We just use the last -arch
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// to find the default tool chain.
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Arch = A->getValue(Args);
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// Normalize arch name; we shouldn't be doing this here.
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//
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// FIXME: This should be unnecessary once everything moves over to using
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// the ID based Triple interface.
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if (Arch == "ppc")
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Arch = "powerpc";
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else if (Arch == "ppc64")
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Arch = "powerpc64";
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} else {
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// Otherwise default to the arch of the host.
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Arch = getArchName();
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}
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ArchName = Arch.c_str();
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// Honor -m32 and -m64 when finding the default tool chain.
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if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
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if (Arch == "i386" || Arch == "x86_64") {
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ArchName = (A->getOption().getId() == options::OPT_m32) ? "i386" :
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"x86_64";
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} else if (Arch == "powerpc" || Arch == "powerpc64") {
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ArchName = (A->getOption().getId() == options::OPT_m32) ? "powerpc" :
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"powerpc64";
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}
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}
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} else {
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// Normalize arch name; we shouldn't be doing this here.
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//
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// FIXME: This should be unnecessary once everything moves over to using the
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// ID based Triple interface.
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if (strcmp(ArchName, "ppc") == 0)
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ArchName = "powerpc";
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else if (strcmp(ArchName, "ppc64") == 0)
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ArchName = "powerpc64";
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}
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ToolChain *&TC = ToolChains[ArchName];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(ArchName);
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if (strcmp(ArchName, "i386") == 0 || strcmp(ArchName, "x86_64") == 0)
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TC = new toolchains::Darwin_X86(*this, TCTriple,
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DarwinVersion,
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GCCVersion);
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else
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TC = new toolchains::Darwin_GCC(*this, TCTriple);
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}
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return TC;
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}
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// Unknown Host Info
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/// UnknownHostInfo - Generic host information to use for unknown
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/// hosts.
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class UnknownHostInfo : public HostInfo {
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain*> ToolChains;
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public:
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UnknownHostInfo(const Driver &D, const llvm::Triple& Triple);
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~UnknownHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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return types::lookupTypeForExtension(Ext);
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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UnknownHostInfo::UnknownHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {
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}
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UnknownHostInfo::~UnknownHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool UnknownHostInfo::useDriverDriver() const {
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return false;
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}
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ToolChain *UnknownHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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assert(!ArchName &&
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"Unexpected arch name on platform without driver driver support.");
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// Automatically handle some instances of -m32/-m64 we know about.
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std::string Arch = getArchName();
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ArchName = Arch.c_str();
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if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
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if (Triple.getArch() == llvm::Triple::x86 ||
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Triple.getArch() == llvm::Triple::x86_64) {
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ArchName =
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(A->getOption().getId() == options::OPT_m32) ? "i386" : "x86_64";
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} else if (Triple.getArch() == llvm::Triple::ppc ||
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Triple.getArch() == llvm::Triple::ppc64) {
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ArchName =
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(A->getOption().getId() == options::OPT_m32) ? "powerpc" : "powerpc64";
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}
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}
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ToolChain *&TC = ToolChains[ArchName];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(ArchName);
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TC = new toolchains::Generic_GCC(*this, TCTriple);
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}
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return TC;
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}
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// OpenBSD Host Info
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/// OpenBSDHostInfo - OpenBSD host information implementation.
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class OpenBSDHostInfo : public HostInfo {
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain*> ToolChains;
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public:
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OpenBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {}
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~OpenBSDHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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return types::lookupTypeForExtension(Ext);
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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OpenBSDHostInfo::~OpenBSDHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool OpenBSDHostInfo::useDriverDriver() const {
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return false;
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}
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ToolChain *OpenBSDHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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assert(!ArchName &&
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"Unexpected arch name on platform without driver driver support.");
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std::string Arch = getArchName();
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ArchName = Arch.c_str();
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ToolChain *&TC = ToolChains[ArchName];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(ArchName);
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TC = new toolchains::OpenBSD(*this, TCTriple);
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}
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return TC;
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}
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// FreeBSD Host Info
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/// FreeBSDHostInfo - FreeBSD host information implementation.
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class FreeBSDHostInfo : public HostInfo {
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain*> ToolChains;
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public:
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FreeBSDHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {}
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~FreeBSDHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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return types::lookupTypeForExtension(Ext);
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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FreeBSDHostInfo::~FreeBSDHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool FreeBSDHostInfo::useDriverDriver() const {
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return false;
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}
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ToolChain *FreeBSDHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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bool Lib32 = false;
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assert(!ArchName &&
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"Unexpected arch name on platform without driver driver support.");
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// On x86_64 we need to be able to compile 32-bits binaries as well.
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// Compiling 64-bit binaries on i386 is not supported. We don't have a
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// lib64.
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std::string Arch = getArchName();
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ArchName = Arch.c_str();
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if (Args.hasArg(options::OPT_m32) && getArchName() == "x86_64") {
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ArchName = "i386";
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Lib32 = true;
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}
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ToolChain *&TC = ToolChains[ArchName];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(ArchName);
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TC = new toolchains::FreeBSD(*this, TCTriple, Lib32);
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}
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return TC;
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}
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// DragonFly Host Info
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/// DragonFlyHostInfo - DragonFly host information implementation.
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class DragonFlyHostInfo : public HostInfo {
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain*> ToolChains;
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public:
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DragonFlyHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {}
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~DragonFlyHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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return types::lookupTypeForExtension(Ext);
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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DragonFlyHostInfo::~DragonFlyHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool DragonFlyHostInfo::useDriverDriver() const {
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return false;
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}
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ToolChain *DragonFlyHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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assert(!ArchName &&
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"Unexpected arch name on platform without driver driver support.");
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ToolChain *&TC = ToolChains[getArchName()];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(getArchName());
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TC = new toolchains::DragonFly(*this, TCTriple);
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}
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return TC;
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}
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// Linux Host Info
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/// LinuxHostInfo - Linux host information implementation.
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class LinuxHostInfo : public HostInfo {
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/// Cache of tool chains we have created.
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mutable llvm::StringMap<ToolChain*> ToolChains;
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public:
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LinuxHostInfo(const Driver &D, const llvm::Triple& Triple)
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: HostInfo(D, Triple) {}
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~LinuxHostInfo();
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virtual bool useDriverDriver() const;
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virtual types::ID lookupTypeForExtension(const char *Ext) const {
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return types::lookupTypeForExtension(Ext);
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}
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virtual ToolChain *getToolChain(const ArgList &Args,
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const char *ArchName) const;
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};
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LinuxHostInfo::~LinuxHostInfo() {
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for (llvm::StringMap<ToolChain*>::iterator
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it = ToolChains.begin(), ie = ToolChains.end(); it != ie; ++it)
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delete it->second;
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}
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bool LinuxHostInfo::useDriverDriver() const {
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return false;
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}
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ToolChain *LinuxHostInfo::getToolChain(const ArgList &Args,
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const char *ArchName) const {
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assert(!ArchName &&
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"Unexpected arch name on platform without driver driver support.");
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// Automatically handle some instances of -m32/-m64 we know about.
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std::string Arch = getArchName();
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ArchName = Arch.c_str();
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if (Arg *A = Args.getLastArg(options::OPT_m32, options::OPT_m64)) {
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if (Triple.getArch() == llvm::Triple::x86 ||
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Triple.getArch() == llvm::Triple::x86_64) {
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ArchName =
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(A->getOption().getId() == options::OPT_m32) ? "i386" : "x86_64";
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} else if (Triple.getArch() == llvm::Triple::ppc ||
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Triple.getArch() == llvm::Triple::ppc64) {
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ArchName =
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(A->getOption().getId() == options::OPT_m32) ? "powerpc" : "powerpc64";
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}
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}
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ToolChain *&TC = ToolChains[ArchName];
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if (!TC) {
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llvm::Triple TCTriple(getTriple());
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TCTriple.setArchName(ArchName);
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TC = new toolchains::Linux(*this, TCTriple);
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}
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return TC;
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}
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}
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const HostInfo *
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clang::driver::createDarwinHostInfo(const Driver &D,
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const llvm::Triple& Triple){
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return new DarwinHostInfo(D, Triple);
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}
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const HostInfo *
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clang::driver::createOpenBSDHostInfo(const Driver &D,
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const llvm::Triple& Triple) {
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return new OpenBSDHostInfo(D, Triple);
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}
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const HostInfo *
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clang::driver::createFreeBSDHostInfo(const Driver &D,
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const llvm::Triple& Triple) {
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return new FreeBSDHostInfo(D, Triple);
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}
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const HostInfo *
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clang::driver::createDragonFlyHostInfo(const Driver &D,
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const llvm::Triple& Triple) {
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return new DragonFlyHostInfo(D, Triple);
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}
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const HostInfo *
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clang::driver::createLinuxHostInfo(const Driver &D,
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const llvm::Triple& Triple) {
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return new LinuxHostInfo(D, Triple);
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}
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const HostInfo *
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clang::driver::createUnknownHostInfo(const Driver &D,
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const llvm::Triple& Triple) {
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return new UnknownHostInfo(D, Triple);
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}
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