ToolChain.cpp revision 641b98b7b52e0067beaf3978f2a8721e5d16c111
12ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar//===--- ToolChain.cpp - Collections of tools for one platform ----------*-===// 22ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// 32ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// The LLVM Compiler Infrastructure 42ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// 52ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// This file is distributed under the University of Illinois Open Source 62ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// License. See LICENSE.TXT for details. 72ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar// 82ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar//===----------------------------------------------------------------------===// 92ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 102ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar#include "clang/Driver/ToolChain.h" 112ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 122ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar#include "clang/Driver/Action.h" 1300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar#include "clang/Driver/Arg.h" 1400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar#include "clang/Driver/ArgList.h" 152ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar#include "clang/Driver/Driver.h" 1600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar#include "clang/Driver/DriverDiagnostic.h" 17fa0cda430f7324404ddd74f41a3b8f5f749d7ec1Daniel Dunbar#include "clang/Driver/HostInfo.h" 1800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar#include "clang/Driver/Options.h" 192ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 202ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbarusing namespace clang::driver; 212ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 22cb8ab23f7c800b041aeb6fc38c341d1aa0da86bfDaniel DunbarToolChain::ToolChain(const HostInfo &_Host, const llvm::Triple &_Triple) 23cb8ab23f7c800b041aeb6fc38c341d1aa0da86bfDaniel Dunbar : Host(_Host), Triple(_Triple) { 242ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar} 252ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 262ba38ba9a18b8ec88e2509fad622eeec01562769Daniel DunbarToolChain::~ToolChain() { 272ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar} 282ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 29ee788e70fcd0adf76103b17c78ac658d4ea30c9bDaniel Dunbarconst Driver &ToolChain::getDriver() const { 30ee788e70fcd0adf76103b17c78ac658d4ea30c9bDaniel Dunbar return Host.getDriver(); 31ee788e70fcd0adf76103b17c78ac658d4ea30c9bDaniel Dunbar} 32ee788e70fcd0adf76103b17c78ac658d4ea30c9bDaniel Dunbar 334a7e88978cf646ad10d654020cb00b3877069210Daniel Dunbarstd::string ToolChain::GetFilePath(const char *Name) const { 3421549237f14505cfc2a18a06416372a36229d0ceDaniel Dunbar return Host.getDriver().GetFilePath(Name, *this); 351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 362ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar} 372ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar 384a7e88978cf646ad10d654020cb00b3877069210Daniel Dunbarstd::string ToolChain::GetProgramPath(const char *Name, bool WantFile) const { 39950bedd8a9f00caabd2f1fc6812d70e08103f847Mike Stump return Host.getDriver().GetProgramPath(Name, *this, WantFile); 402ba38ba9a18b8ec88e2509fad622eeec01562769Daniel Dunbar} 414180011fb8cef06adec04d30486b1bf3b99aa8b8Daniel Dunbar 424180011fb8cef06adec04d30486b1bf3b99aa8b8Daniel Dunbartypes::ID ToolChain::LookupTypeForExtension(const char *Ext) const { 434180011fb8cef06adec04d30486b1bf3b99aa8b8Daniel Dunbar return types::lookupTypeForExtension(Ext); 444180011fb8cef06adec04d30486b1bf3b99aa8b8Daniel Dunbar} 4500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 4600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar/// getARMTargetCPU - Get the (LLVM) name of the ARM cpu we are targetting. 4700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar// 4800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar// FIXME: tblgen this. 4900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbarstatic const char *getARMTargetCPU(const ArgList &Args, 5000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar const llvm::Triple &Triple) { 5100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // FIXME: Warn on inconsistent use of -mcpu and -march. 5200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 5300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // If we have -mcpu=, use that. 5400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) 5500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return A->getValue(Args); 5600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 5700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar llvm::StringRef MArch; 5800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (Arg *A = Args.getLastArg(options::OPT_march_EQ)) { 5900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // Otherwise, if we have -march= choose the base CPU for that arch. 6000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar MArch = A->getValue(Args); 6100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar } else { 6200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // Otherwise, use the Arch from the triple. 6300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar MArch = Triple.getArchName(); 6400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar } 6500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 6600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv2" || MArch == "armv2a") 6700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm2"; 6800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv3") 6900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm6"; 7000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv3m") 7100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm7m"; 7200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv4" || MArch == "armv4t") 7300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm7tdmi"; 7400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv5" || MArch == "armv5t") 7500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm10tdmi"; 7600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv5e" || MArch == "armv5te") 7700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm1026ejs"; 7800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv5tej") 7900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm926ej-s"; 8000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv6" || MArch == "armv6k") 8100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm1136jf-s"; 8200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv6j") 8300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm1136j-s"; 8400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv6z" || MArch == "armv6zk") 8500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm1176jzf-s"; 8600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv6t2") 8700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm1156t2-s"; 8800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv7" || MArch == "armv7a" || MArch == "armv7-a") 8900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "cortex-a8"; 9000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv7r" || MArch == "armv7-r") 9100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "cortex-r4"; 9200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "armv7m" || MArch == "armv7-m") 9300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "cortex-m3"; 9400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "ep9312") 9500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "ep9312"; 9600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "iwmmxt") 9700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "iwmmxt"; 9800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (MArch == "xscale") 9900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "xscale"; 10000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 10100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // If all else failed, return the most base CPU LLVM supports. 10200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "arm7tdmi"; 10300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar} 10400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 10500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar/// getLLVMArchSuffixForARM - Get the LLVM arch name to use for a particular 10600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar/// CPU. 10700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar// 10800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar// FIXME: This is redundant with -mcpu, why does LLVM use this. 10900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar// FIXME: tblgen this, or kill it! 11000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbarstatic const char *getLLVMArchSuffixForARM(llvm::StringRef CPU) { 11100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "arm7tdmi" || CPU == "arm7tdmi-s" || CPU == "arm710t" || 11200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm720t" || CPU == "arm9" || CPU == "arm9tdmi" || 11300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm920" || CPU == "arm920t" || CPU == "arm922t" || 11400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm940t" || CPU == "ep9312") 11500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v4t"; 11600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 11700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "arm10tdmi" || CPU == "arm1020t") 11800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v5"; 11900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 12000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "arm9e" || CPU == "arm926ej-s" || CPU == "arm946e-s" || 12100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm966e-s" || CPU == "arm968e-s" || CPU == "arm10e" || 12200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm1020e" || CPU == "arm1022e" || CPU == "xscale" || 12300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "iwmmxt") 12400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v5e"; 12500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 12600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "arm1136j-s" || CPU == "arm1136jf-s" || CPU == "arm1176jz-s" || 12700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar CPU == "arm1176jzf-s" || CPU == "mpcorenovfp" || CPU == "mpcore") 12800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v6"; 12900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 13000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "arm1156t2-s" || CPU == "arm1156t2f-s") 13100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v6t2"; 13200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 13300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (CPU == "cortex-a8" || CPU == "cortex-a9") 13400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return "v7"; 13500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 13600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return ""; 13700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar} 13800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 13900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbarstd::string ToolChain::ComputeLLVMTriple(const ArgList &Args) const { 14000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar switch (getTriple().getArch()) { 14100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar default: 14200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return getTripleString(); 14300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 14400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar case llvm::Triple::arm: 14500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar case llvm::Triple::thumb: { 14600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // FIXME: Factor into subclasses. 14700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar llvm::Triple Triple = getTriple(); 14800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 14900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // Thumb2 is the default for V7 on Darwin. 15000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // 15100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // FIXME: Thumb should just be another -target-feaure, not in the triple. 15200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar llvm::StringRef Suffix = 15300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar getLLVMArchSuffixForARM(getARMTargetCPU(Args, Triple)); 15400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar bool ThumbDefault = 15500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar (Suffix == "v7" && getTriple().getOS() == llvm::Triple::Darwin); 15600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar std::string ArchName = "arm"; 15700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, ThumbDefault)) 15800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar ArchName = "thumb"; 15900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar Triple.setArchName(ArchName + Suffix.str()); 16000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 16100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return Triple.getTriple(); 16200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar } 16300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar } 16400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar} 16500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 16600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbarstd::string ToolChain::ComputeEffectiveClangTriple(const ArgList &Args) const { 16700577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // Diagnose use of -mmacosx-version-min and -miphoneos-version-min on 16800577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar // non-Darwin. 16900577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar if (Arg *A = Args.getLastArg(options::OPT_mmacosx_version_min_EQ, 17000577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar options::OPT_miphoneos_version_min_EQ)) 17100577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar getDriver().Diag(clang::diag::err_drv_clang_unsupported) 17200577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar << A->getAsString(Args); 17300577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 17400577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar return ComputeLLVMTriple(Args); 17500577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar} 17600577ada44c889fbe311d61c51a8da89e65c7c9aDaniel Dunbar 177641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel DunbarToolChain::CXXStdlibType ToolChain::GetCXXStdlibType(const ArgList &Args) const{ 178641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar return ToolChain::CST_Libstdcxx; 179641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar} 180641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar 181641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbarvoid ToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &Args, 182641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar ArgStringList &CmdArgs) const { 183641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar CXXStdlibType Type = GetCXXStdlibType(Args); 184641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar 185641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar switch (Type) { 186641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar case ToolChain::CST_Libstdcxx: 187641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar // Currently handled by the mass of goop in InitHeaderSearch. 188641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar break; 189641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar } 190641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar} 191641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar 192641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbarvoid ToolChain::AddClangCXXStdlibLibArgs(const ArgList &Args, 193641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar ArgStringList &CmdArgs) const { 194641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar CXXStdlibType Type = GetCXXStdlibType(Args); 195641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar 196641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar switch (Type) { 197641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar case ToolChain::CST_Libstdcxx: 198641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar CmdArgs.push_back("-lstdc++"); 199641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar break; 200641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar } 201641b98b7b52e0067beaf3978f2a8721e5d16c111Daniel Dunbar} 202