forked from OSchip/llvm-project
246 lines
7.3 KiB
C++
246 lines
7.3 KiB
C++
//===--- ToolChain.cpp - Collections of tools for one platform ------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "clang/Driver/ToolChain.h"
|
|
|
|
#include "clang/Driver/Action.h"
|
|
#include "clang/Driver/Arg.h"
|
|
#include "clang/Driver/ArgList.h"
|
|
#include "clang/Driver/Driver.h"
|
|
#include "clang/Driver/DriverDiagnostic.h"
|
|
#include "clang/Driver/HostInfo.h"
|
|
#include "clang/Driver/Options.h"
|
|
|
|
using namespace clang::driver;
|
|
|
|
ToolChain::ToolChain(const HostInfo &_Host, const llvm::Triple &_Triple)
|
|
: Host(_Host), Triple(_Triple) {
|
|
}
|
|
|
|
ToolChain::~ToolChain() {
|
|
}
|
|
|
|
const Driver &ToolChain::getDriver() const {
|
|
return Host.getDriver();
|
|
}
|
|
|
|
std::string ToolChain::GetFilePath(const char *Name) const {
|
|
return Host.getDriver().GetFilePath(Name, *this);
|
|
|
|
}
|
|
|
|
std::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const {
|
|
return Host.getDriver().GetProgramPath(Name, *this, WantFile);
|
|
}
|
|
|
|
types::ID ToolChain::LookupTypeForExtension(const char *Ext) const {
|
|
return types::lookupTypeForExtension(Ext);
|
|
}
|
|
|
|
bool ToolChain::HasNativeLLVMSupport() const {
|
|
return false;
|
|
}
|
|
|
|
/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targeting.
|
|
//
|
|
// FIXME: tblgen this.
|
|
static const char *getARMTargetCPU(const ArgList &Args,
|
|
const llvm::Triple &Triple) {
|
|
// FIXME: Warn on inconsistent use of -mcpu and -march.
|
|
|
|
// If we have -mcpu=, use that.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ))
|
|
return A->getValue(Args);
|
|
|
|
llvm::StringRef MArch;
|
|
if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
|
|
// Otherwise, if we have -march= choose the base CPU for that arch.
|
|
MArch = A->getValue(Args);
|
|
} else {
|
|
// Otherwise, use the Arch from the triple.
|
|
MArch = Triple.getArchName();
|
|
}
|
|
|
|
if (MArch == "armv2" || MArch == "armv2a")
|
|
return "arm2";
|
|
if (MArch == "armv3")
|
|
return "arm6";
|
|
if (MArch == "armv3m")
|
|
return "arm7m";
|
|
if (MArch == "armv4" || MArch == "armv4t")
|
|
return "arm7tdmi";
|
|
if (MArch == "armv5" || MArch == "armv5t")
|
|
return "arm10tdmi";
|
|
if (MArch == "armv5e" || MArch == "armv5te")
|
|
return "arm1026ejs";
|
|
if (MArch == "armv5tej")
|
|
return "arm926ej-s";
|
|
if (MArch == "armv6" || MArch == "armv6k")
|
|
return "arm1136jf-s";
|
|
if (MArch == "armv6j")
|
|
return "arm1136j-s";
|
|
if (MArch == "armv6z" || MArch == "armv6zk")
|
|
return "arm1176jzf-s";
|
|
if (MArch == "armv6t2")
|
|
return "arm1156t2-s";
|
|
if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a")
|
|
return "cortex-a8";
|
|
if (MArch == "armv7r" || MArch == "armv7-r")
|
|
return "cortex-r4";
|
|
if (MArch == "armv7m" || MArch == "armv7-m")
|
|
return "cortex-m3";
|
|
if (MArch == "ep9312")
|
|
return "ep9312";
|
|
if (MArch == "iwmmxt")
|
|
return "iwmmxt";
|
|
if (MArch == "xscale")
|
|
return "xscale";
|
|
if (MArch == "armv6m" || MArch == "armv6-m")
|
|
return "cortex-m0";
|
|
|
|
// If all else failed, return the most base CPU LLVM supports.
|
|
return "arm7tdmi";
|
|
}
|
|
|
|
/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular
|
|
/// CPU.
|
|
//
|
|
// FIXME: This is redundant with -mcpu, why does LLVM use this.
|
|
// FIXME: tblgen this, or kill it!
|
|
static const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) {
|
|
if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" ||
|
|
CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" ||
|
|
CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" ||
|
|
CPU == "arm940t" || CPU == "ep9312")
|
|
return "v4t";
|
|
|
|
if (CPU == "arm10tdmi" || CPU == "arm1020t")
|
|
return "v5";
|
|
|
|
if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" ||
|
|
CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" ||
|
|
CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" ||
|
|
CPU == "iwmmxt")
|
|
return "v5e";
|
|
|
|
if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" ||
|
|
CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore")
|
|
return "v6";
|
|
|
|
if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s")
|
|
return "v6t2";
|
|
|
|
if (CPU == "cortex-a8" || CPU == "cortex-a9")
|
|
return "v7";
|
|
|
|
if (CPU == "cortex-m3")
|
|
return "v7m";
|
|
|
|
if (CPU == "cortex-m0")
|
|
return "v6m";
|
|
|
|
return "";
|
|
}
|
|
|
|
std::string ToolChain::ComputeLLVMTriple(const ArgList &Args) const {
|
|
switch (getTriple().getArch()) {
|
|
default:
|
|
return getTripleString();
|
|
|
|
case llvm::Triple::arm:
|
|
case llvm::Triple::thumb: {
|
|
// FIXME: Factor into subclasses.
|
|
llvm::Triple Triple = getTriple();
|
|
|
|
// Thumb2 is the default for V7 on Darwin.
|
|
//
|
|
// FIXME: Thumb should just be another -target-feaure, not in the triple.
|
|
llvm::StringRef Suffix =
|
|
getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple));
|
|
bool ThumbDefault =
|
|
(Suffix == "v7" && getTriple().getOS() == llvm::Triple::Darwin);
|
|
std::string ArchName = "arm";
|
|
if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault))
|
|
ArchName = "thumb";
|
|
Triple.setArchName(ArchName + Suffix.str());
|
|
|
|
return Triple.getTriple();
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args) const {
|
|
// Diagnose use of Darwin OS deployment target arguments on non-Darwin.
|
|
if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ,
|
|
options::OPT_miphoneos_version_min_EQ,
|
|
options::OPT_mios_simulator_version_min_EQ))
|
|
getDriver().Diag(clang::diag::err_drv_clang_unsupported)
|
|
<< A->getAsString(Args);
|
|
|
|
return ComputeLLVMTriple(Args);
|
|
}
|
|
|
|
ToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{
|
|
if (Arg *A = Args.getLastArg(options::OPT_stdlib_EQ)) {
|
|
llvm::StringRef Value = A->getValue(Args);
|
|
if (Value == "libc++")
|
|
return ToolChain::CST_Libcxx;
|
|
if (Value == "libstdc++")
|
|
return ToolChain::CST_Libstdcxx;
|
|
getDriver().Diag(clang::diag::err_drv_invalid_stdlib_name)
|
|
<< A->getAsString(Args);
|
|
}
|
|
|
|
return ToolChain::CST_Libstdcxx;
|
|
}
|
|
|
|
void ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs,
|
|
bool ObjCXXAutoRefCount) const {
|
|
CXXStdlibType Type = GetCXXStdlibType(Args);
|
|
|
|
switch (Type) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-nostdinc++");
|
|
CmdArgs.push_back("-cxx-isystem");
|
|
CmdArgs.push_back("/usr/include/c++/v1");
|
|
|
|
if (ObjCXXAutoRefCount)
|
|
CmdArgs.push_back("-fobjc-arc-cxxlib=libc++");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
// Currently handled by the mass of goop in InitHeaderSearch.
|
|
|
|
if (ObjCXXAutoRefCount)
|
|
CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ToolChain::AddCXXStdlibLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CXXStdlibType Type = GetCXXStdlibType(Args);
|
|
|
|
switch (Type) {
|
|
case ToolChain::CST_Libcxx:
|
|
CmdArgs.push_back("-lc++");
|
|
break;
|
|
|
|
case ToolChain::CST_Libstdcxx:
|
|
CmdArgs.push_back("-lstdc++");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ToolChain::AddCCKextLibArgs(const ArgList &Args,
|
|
ArgStringList &CmdArgs) const {
|
|
CmdArgs.push_back("-lcc_kext");
|
|
}
|