Driver.cpp revision 221345
1218893Sdim//===--- Driver.cpp - Clang GCC Compatible Driver -------------------------===// 2193326Sed// 3193326Sed// The LLVM Compiler Infrastructure 4193326Sed// 5193326Sed// This file is distributed under the University of Illinois Open Source 6193326Sed// License. See LICENSE.TXT for details. 7193326Sed// 8193326Sed//===----------------------------------------------------------------------===// 9193326Sed 10218893Sdim#ifdef HAVE_CLANG_CONFIG_H 11218893Sdim# include "clang/Config/config.h" 12218893Sdim#endif 13218893Sdim 14193326Sed#include "clang/Driver/Driver.h" 15193326Sed 16193326Sed#include "clang/Driver/Action.h" 17193326Sed#include "clang/Driver/Arg.h" 18193326Sed#include "clang/Driver/ArgList.h" 19193326Sed#include "clang/Driver/Compilation.h" 20193326Sed#include "clang/Driver/DriverDiagnostic.h" 21193326Sed#include "clang/Driver/HostInfo.h" 22193326Sed#include "clang/Driver/Job.h" 23199512Srdivacky#include "clang/Driver/OptTable.h" 24193326Sed#include "clang/Driver/Option.h" 25193326Sed#include "clang/Driver/Options.h" 26193326Sed#include "clang/Driver/Tool.h" 27193326Sed#include "clang/Driver/ToolChain.h" 28193326Sed#include "clang/Driver/Types.h" 29193326Sed 30193326Sed#include "clang/Basic/Version.h" 31193326Sed 32212904Sdim#include "llvm/Config/config.h" 33221345Sdim#include "llvm/ADT/ArrayRef.h" 34193326Sed#include "llvm/ADT/StringSet.h" 35202879Srdivacky#include "llvm/ADT/OwningPtr.h" 36193326Sed#include "llvm/Support/PrettyStackTrace.h" 37193326Sed#include "llvm/Support/raw_ostream.h" 38218893Sdim#include "llvm/Support/FileSystem.h" 39218893Sdim#include "llvm/Support/Path.h" 40218893Sdim#include "llvm/Support/Program.h" 41193326Sed 42193326Sed#include "InputInfo.h" 43193326Sed 44193326Sed#include <map> 45193326Sed 46193326Sedusing namespace clang::driver; 47193326Sedusing namespace clang; 48193326Sed 49212904SdimDriver::Driver(llvm::StringRef _ClangExecutable, 50200583Srdivacky llvm::StringRef _DefaultHostTriple, 51200583Srdivacky llvm::StringRef _DefaultImageName, 52206084Srdivacky bool IsProduction, bool CXXIsProduction, 53206084Srdivacky Diagnostic &_Diags) 54199512Srdivacky : Opts(createDriverOptTable()), Diags(_Diags), 55221345Sdim ClangExecutable(_ClangExecutable), UseStdLib(true), 56221345Sdim DefaultHostTriple(_DefaultHostTriple), DefaultImageName(_DefaultImageName), 57204643Srdivacky DriverTitle("clang \"gcc-compatible\" driver"), 58193326Sed Host(0), 59221345Sdim CCPrintOptionsFilename(0), CCPrintHeadersFilename(0), 60221345Sdim CCLogDiagnosticsFilename(0), CCCIsCXX(false), 61221345Sdim CCCIsCPP(false),CCCEcho(false), CCCPrintBindings(false), 62221345Sdim CCPrintOptions(false), CCPrintHeaders(false), CCLogDiagnostics(false), 63221345Sdim CCCGenericGCCName(""), CheckInputsExist(true), CCCUseClang(true), 64221345Sdim CCCUseClangCXX(true), CCCUseClangCPP(true), CCCUsePCH(true), 65221345Sdim SuppressMissingInputWarning(false) { 66198092Srdivacky if (IsProduction) { 67198092Srdivacky // In a "production" build, only use clang on architectures we expect to 68198092Srdivacky // work, and don't use clang C++. 69198092Srdivacky // 70198092Srdivacky // During development its more convenient to always have the driver use 71198092Srdivacky // clang, but we don't want users to be confused when things don't work, or 72198092Srdivacky // to file bugs for things we don't support. 73198092Srdivacky CCCClangArchs.insert(llvm::Triple::x86); 74198092Srdivacky CCCClangArchs.insert(llvm::Triple::x86_64); 75198092Srdivacky CCCClangArchs.insert(llvm::Triple::arm); 76198092Srdivacky 77206084Srdivacky if (!CXXIsProduction) 78206084Srdivacky CCCUseClangCXX = false; 79198092Srdivacky } 80202879Srdivacky 81218893Sdim Name = llvm::sys::path::stem(ClangExecutable); 82218893Sdim Dir = llvm::sys::path::parent_path(ClangExecutable); 83212904Sdim 84202879Srdivacky // Compute the path to the resource directory. 85218893Sdim llvm::StringRef ClangResourceDir(CLANG_RESOURCE_DIR); 86218893Sdim llvm::SmallString<128> P(Dir); 87218893Sdim if (ClangResourceDir != "") 88218893Sdim llvm::sys::path::append(P, ClangResourceDir); 89218893Sdim else 90218893Sdim llvm::sys::path::append(P, "..", "lib", "clang", CLANG_VERSION_STRING); 91202879Srdivacky ResourceDir = P.str(); 92193326Sed} 93193326Sed 94193326SedDriver::~Driver() { 95193326Sed delete Opts; 96193326Sed delete Host; 97193326Sed} 98193326Sed 99221345SdimInputArgList *Driver::ParseArgStrings(llvm::ArrayRef<const char *> ArgList) { 100193326Sed llvm::PrettyStackTraceString CrashInfo("Command line argument parsing"); 101199512Srdivacky unsigned MissingArgIndex, MissingArgCount; 102221345Sdim InputArgList *Args = getOpts().ParseArgs(ArgList.begin(), ArgList.end(), 103199512Srdivacky MissingArgIndex, MissingArgCount); 104198092Srdivacky 105199512Srdivacky // Check for missing argument error. 106199512Srdivacky if (MissingArgCount) 107199512Srdivacky Diag(clang::diag::err_drv_missing_argument) 108199512Srdivacky << Args->getArgString(MissingArgIndex) << MissingArgCount; 109193326Sed 110199512Srdivacky // Check for unsupported options. 111199512Srdivacky for (ArgList::const_iterator it = Args->begin(), ie = Args->end(); 112199512Srdivacky it != ie; ++it) { 113199512Srdivacky Arg *A = *it; 114193326Sed if (A->getOption().isUnsupported()) { 115193326Sed Diag(clang::diag::err_drv_unsupported_opt) << A->getAsString(*Args); 116193326Sed continue; 117193326Sed } 118193326Sed } 119193326Sed 120193326Sed return Args; 121193326Sed} 122193326Sed 123210299SedDerivedArgList *Driver::TranslateInputArgs(const InputArgList &Args) const { 124210299Sed DerivedArgList *DAL = new DerivedArgList(Args); 125210299Sed 126218893Sdim bool HasNostdlib = Args.hasArg(options::OPT_nostdlib); 127210299Sed for (ArgList::const_iterator it = Args.begin(), 128210299Sed ie = Args.end(); it != ie; ++it) { 129210299Sed const Arg *A = *it; 130210299Sed 131210299Sed // Unfortunately, we have to parse some forwarding options (-Xassembler, 132210299Sed // -Xlinker, -Xpreprocessor) because we either integrate their functionality 133210299Sed // (assembler and preprocessor), or bypass a previous driver ('collect2'). 134210299Sed 135210299Sed // Rewrite linker options, to replace --no-demangle with a custom internal 136210299Sed // option. 137210299Sed if ((A->getOption().matches(options::OPT_Wl_COMMA) || 138210299Sed A->getOption().matches(options::OPT_Xlinker)) && 139210299Sed A->containsValue("--no-demangle")) { 140210299Sed // Add the rewritten no-demangle argument. 141210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_Z_Xlinker__no_demangle)); 142210299Sed 143210299Sed // Add the remaining values as Xlinker arguments. 144210299Sed for (unsigned i = 0, e = A->getNumValues(); i != e; ++i) 145210299Sed if (llvm::StringRef(A->getValue(Args, i)) != "--no-demangle") 146210299Sed DAL->AddSeparateArg(A, Opts->getOption(options::OPT_Xlinker), 147210299Sed A->getValue(Args, i)); 148210299Sed 149210299Sed continue; 150210299Sed } 151210299Sed 152210299Sed // Rewrite preprocessor options, to replace -Wp,-MD,FOO which is used by 153210299Sed // some build systems. We don't try to be complete here because we don't 154210299Sed // care to encourage this usage model. 155210299Sed if (A->getOption().matches(options::OPT_Wp_COMMA) && 156210299Sed A->getNumValues() == 2 && 157210299Sed (A->getValue(Args, 0) == llvm::StringRef("-MD") || 158210299Sed A->getValue(Args, 0) == llvm::StringRef("-MMD"))) { 159210299Sed // Rewrite to -MD/-MMD along with -MF. 160210299Sed if (A->getValue(Args, 0) == llvm::StringRef("-MD")) 161210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_MD)); 162210299Sed else 163210299Sed DAL->AddFlagArg(A, Opts->getOption(options::OPT_MMD)); 164210299Sed DAL->AddSeparateArg(A, Opts->getOption(options::OPT_MF), 165210299Sed A->getValue(Args, 1)); 166210299Sed continue; 167210299Sed } 168210299Sed 169218893Sdim // Rewrite reserved library names. 170218893Sdim if (A->getOption().matches(options::OPT_l)) { 171218893Sdim llvm::StringRef Value = A->getValue(Args); 172218893Sdim 173218893Sdim // Rewrite unless -nostdlib is present. 174218893Sdim if (!HasNostdlib && Value == "stdc++") { 175218893Sdim DAL->AddFlagArg(A, Opts->getOption( 176218893Sdim options::OPT_Z_reserved_lib_stdcxx)); 177218893Sdim continue; 178218893Sdim } 179218893Sdim 180218893Sdim // Rewrite unconditionally. 181218893Sdim if (Value == "cc_kext") { 182218893Sdim DAL->AddFlagArg(A, Opts->getOption( 183218893Sdim options::OPT_Z_reserved_lib_cckext)); 184218893Sdim continue; 185218893Sdim } 186218893Sdim } 187218893Sdim 188210299Sed DAL->append(*it); 189210299Sed } 190210299Sed 191212904Sdim // Add a default value of -mlinker-version=, if one was given and the user 192212904Sdim // didn't specify one. 193212904Sdim#if defined(HOST_LINK_VERSION) 194212904Sdim if (!Args.hasArg(options::OPT_mlinker_version_EQ)) { 195212904Sdim DAL->AddJoinedArg(0, Opts->getOption(options::OPT_mlinker_version_EQ), 196212904Sdim HOST_LINK_VERSION); 197212904Sdim DAL->getLastArg(options::OPT_mlinker_version_EQ)->claim(); 198212904Sdim } 199212904Sdim#endif 200212904Sdim 201210299Sed return DAL; 202210299Sed} 203210299Sed 204221345SdimCompilation *Driver::BuildCompilation(llvm::ArrayRef<const char *> ArgList) { 205193326Sed llvm::PrettyStackTraceString CrashInfo("Compilation construction"); 206193326Sed 207198092Srdivacky // FIXME: Handle environment options which effect driver behavior, somewhere 208198092Srdivacky // (client?). GCC_EXEC_PREFIX, COMPILER_PATH, LIBRARY_PATH, LPATH, 209198092Srdivacky // CC_PRINT_OPTIONS. 210193326Sed 211193326Sed // FIXME: What are we going to do with -V and -b? 212193326Sed 213198092Srdivacky // FIXME: This stuff needs to go into the Compilation, not the driver. 214193326Sed bool CCCPrintOptions = false, CCCPrintActions = false; 215193326Sed 216221345Sdim InputArgList *Args = ParseArgStrings(ArgList.slice(1)); 217193326Sed 218200583Srdivacky // -no-canonical-prefixes is used very early in main. 219200583Srdivacky Args->ClaimAllArgs(options::OPT_no_canonical_prefixes); 220200583Srdivacky 221212904Sdim // Ignore -pipe. 222212904Sdim Args->ClaimAllArgs(options::OPT_pipe); 223212904Sdim 224200583Srdivacky // Extract -ccc args. 225193326Sed // 226198092Srdivacky // FIXME: We need to figure out where this behavior should live. Most of it 227198092Srdivacky // should be outside in the client; the parts that aren't should have proper 228198092Srdivacky // options, either by introducing new ones or by overloading gcc ones like -V 229198092Srdivacky // or -b. 230200583Srdivacky CCCPrintOptions = Args->hasArg(options::OPT_ccc_print_options); 231200583Srdivacky CCCPrintActions = Args->hasArg(options::OPT_ccc_print_phases); 232200583Srdivacky CCCPrintBindings = Args->hasArg(options::OPT_ccc_print_bindings); 233200583Srdivacky CCCIsCXX = Args->hasArg(options::OPT_ccc_cxx) || CCCIsCXX; 234200583Srdivacky CCCEcho = Args->hasArg(options::OPT_ccc_echo); 235200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_gcc_name)) 236200583Srdivacky CCCGenericGCCName = A->getValue(*Args); 237200583Srdivacky CCCUseClangCXX = Args->hasFlag(options::OPT_ccc_clang_cxx, 238200583Srdivacky options::OPT_ccc_no_clang_cxx, 239200583Srdivacky CCCUseClangCXX); 240200583Srdivacky CCCUsePCH = Args->hasFlag(options::OPT_ccc_pch_is_pch, 241200583Srdivacky options::OPT_ccc_pch_is_pth); 242200583Srdivacky CCCUseClang = !Args->hasArg(options::OPT_ccc_no_clang); 243200583Srdivacky CCCUseClangCPP = !Args->hasArg(options::OPT_ccc_no_clang_cpp); 244200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_clang_archs)) { 245200583Srdivacky llvm::StringRef Cur = A->getValue(*Args); 246198092Srdivacky 247200583Srdivacky CCCClangArchs.clear(); 248200583Srdivacky while (!Cur.empty()) { 249200583Srdivacky std::pair<llvm::StringRef, llvm::StringRef> Split = Cur.split(','); 250198092Srdivacky 251200583Srdivacky if (!Split.first.empty()) { 252200583Srdivacky llvm::Triple::ArchType Arch = 253200583Srdivacky llvm::Triple(Split.first, "", "").getArch(); 254193326Sed 255203955Srdivacky if (Arch == llvm::Triple::UnknownArch) 256203955Srdivacky Diag(clang::diag::err_drv_invalid_arch_name) << Split.first; 257198092Srdivacky 258200583Srdivacky CCCClangArchs.insert(Arch); 259193326Sed } 260193326Sed 261200583Srdivacky Cur = Split.second; 262193326Sed } 263193326Sed } 264212904Sdim // FIXME: We shouldn't overwrite the default host triple here, but we have 265212904Sdim // nowhere else to put this currently. 266200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_host_triple)) 267212904Sdim DefaultHostTriple = A->getValue(*Args); 268200583Srdivacky if (const Arg *A = Args->getLastArg(options::OPT_ccc_install_dir)) 269212904Sdim Dir = InstalledDir = A->getValue(*Args); 270218893Sdim for (arg_iterator it = Args->filtered_begin(options::OPT_B), 271218893Sdim ie = Args->filtered_end(); it != ie; ++it) { 272218893Sdim const Arg *A = *it; 273218893Sdim A->claim(); 274218893Sdim PrefixDirs.push_back(A->getValue(*Args, 0)); 275218893Sdim } 276221345Sdim if (const Arg *A = Args->getLastArg(options::OPT__sysroot_EQ)) 277221345Sdim SysRoot = A->getValue(*Args); 278221345Sdim if (Args->hasArg(options::OPT_nostdlib)) 279221345Sdim UseStdLib = false; 280193326Sed 281212904Sdim Host = GetHostInfo(DefaultHostTriple.c_str()); 282193326Sed 283210299Sed // Perform the default argument translations. 284210299Sed DerivedArgList *TranslatedArgs = TranslateInputArgs(*Args); 285210299Sed 286193326Sed // The compilation takes ownership of Args. 287210299Sed Compilation *C = new Compilation(*this, *Host->CreateToolChain(*Args), Args, 288210299Sed TranslatedArgs); 289193326Sed 290193326Sed // FIXME: This behavior shouldn't be here. 291193326Sed if (CCCPrintOptions) { 292210299Sed PrintOptions(C->getInputArgs()); 293193326Sed return C; 294193326Sed } 295193326Sed 296193326Sed if (!HandleImmediateArgs(*C)) 297193326Sed return C; 298193326Sed 299212904Sdim // Construct the list of abstract actions to perform for this compilation. 300193326Sed if (Host->useDriverDriver()) 301212904Sdim BuildUniversalActions(C->getDefaultToolChain(), C->getArgs(), 302212904Sdim C->getActions()); 303193326Sed else 304212904Sdim BuildActions(C->getDefaultToolChain(), C->getArgs(), C->getActions()); 305193326Sed 306193326Sed if (CCCPrintActions) { 307193326Sed PrintActions(*C); 308193326Sed return C; 309193326Sed } 310193326Sed 311193326Sed BuildJobs(*C); 312193326Sed 313193326Sed return C; 314193326Sed} 315193326Sed 316195341Sedint Driver::ExecuteCompilation(const Compilation &C) const { 317195341Sed // Just print if -### was present. 318195341Sed if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) { 319195341Sed C.PrintJob(llvm::errs(), C.getJobs(), "\n", true); 320195341Sed return 0; 321195341Sed } 322195341Sed 323195341Sed // If there were errors building the compilation, quit now. 324218893Sdim if (getDiags().hasErrorOccurred()) 325195341Sed return 1; 326195341Sed 327195341Sed const Command *FailingCommand = 0; 328195341Sed int Res = C.ExecuteJob(C.getJobs(), FailingCommand); 329198092Srdivacky 330195341Sed // Remove temp files. 331195341Sed C.CleanupFileList(C.getTempFiles()); 332195341Sed 333208600Srdivacky // If the command succeeded, we are done. 334208600Srdivacky if (Res == 0) 335208600Srdivacky return Res; 336208600Srdivacky 337208600Srdivacky // Otherwise, remove result files as well. 338208600Srdivacky if (!C.getArgs().hasArg(options::OPT_save_temps)) 339195341Sed C.CleanupFileList(C.getResultFiles(), true); 340195341Sed 341195341Sed // Print extra information about abnormal failures, if possible. 342208600Srdivacky // 343208600Srdivacky // This is ad-hoc, but we don't want to be excessively noisy. If the result 344208600Srdivacky // status was 1, assume the command failed normally. In particular, if it was 345208600Srdivacky // the compiler then assume it gave a reasonable error code. Failures in other 346208600Srdivacky // tools are less common, and they generally have worse diagnostics, so always 347208600Srdivacky // print the diagnostic there. 348208600Srdivacky const Tool &FailingTool = FailingCommand->getCreator(); 349195341Sed 350208600Srdivacky if (!FailingCommand->getCreator().hasGoodDiagnostics() || Res != 1) { 351208600Srdivacky // FIXME: See FIXME above regarding result code interpretation. 352208600Srdivacky if (Res < 0) 353208600Srdivacky Diag(clang::diag::err_drv_command_signalled) 354208600Srdivacky << FailingTool.getShortName() << -Res; 355208600Srdivacky else 356208600Srdivacky Diag(clang::diag::err_drv_command_failed) 357208600Srdivacky << FailingTool.getShortName() << Res; 358195341Sed } 359195341Sed 360195341Sed return Res; 361195341Sed} 362195341Sed 363193326Sedvoid Driver::PrintOptions(const ArgList &Args) const { 364193326Sed unsigned i = 0; 365198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 366193326Sed it != ie; ++it, ++i) { 367193326Sed Arg *A = *it; 368193326Sed llvm::errs() << "Option " << i << " - " 369193326Sed << "Name: \"" << A->getOption().getName() << "\", " 370193326Sed << "Values: {"; 371193326Sed for (unsigned j = 0; j < A->getNumValues(); ++j) { 372193326Sed if (j) 373193326Sed llvm::errs() << ", "; 374193326Sed llvm::errs() << '"' << A->getValue(Args, j) << '"'; 375193326Sed } 376193326Sed llvm::errs() << "}\n"; 377193326Sed } 378193326Sed} 379193326Sed 380193326Sedvoid Driver::PrintHelp(bool ShowHidden) const { 381204643Srdivacky getOpts().PrintHelp(llvm::outs(), Name.c_str(), DriverTitle.c_str(), 382204643Srdivacky ShowHidden); 383193326Sed} 384193326Sed 385198092Srdivackyvoid Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const { 386198092Srdivacky // FIXME: The following handlers should use a callback mechanism, we don't 387198092Srdivacky // know what the client would like to do. 388202879Srdivacky OS << getClangFullVersion() << '\n'; 389193326Sed const ToolChain &TC = C.getDefaultToolChain(); 390198092Srdivacky OS << "Target: " << TC.getTripleString() << '\n'; 391194613Sed 392194613Sed // Print the threading model. 393194613Sed // 394194613Sed // FIXME: Implement correctly. 395198092Srdivacky OS << "Thread model: " << "posix" << '\n'; 396193326Sed} 397193326Sed 398208600Srdivacky/// PrintDiagnosticCategories - Implement the --print-diagnostic-categories 399208600Srdivacky/// option. 400208600Srdivackystatic void PrintDiagnosticCategories(llvm::raw_ostream &OS) { 401208600Srdivacky for (unsigned i = 1; // Skip the empty category. 402218893Sdim const char *CategoryName = DiagnosticIDs::getCategoryNameFromID(i); ++i) 403208600Srdivacky OS << i << ',' << CategoryName << '\n'; 404208600Srdivacky} 405208600Srdivacky 406193326Sedbool Driver::HandleImmediateArgs(const Compilation &C) { 407210299Sed // The order these options are handled in gcc is all over the place, but we 408198092Srdivacky // don't expect inconsistencies w.r.t. that to matter in practice. 409193326Sed 410218893Sdim if (C.getArgs().hasArg(options::OPT_dumpmachine)) { 411218893Sdim llvm::outs() << C.getDefaultToolChain().getTripleString() << '\n'; 412218893Sdim return false; 413218893Sdim } 414218893Sdim 415193326Sed if (C.getArgs().hasArg(options::OPT_dumpversion)) { 416218893Sdim // Since -dumpversion is only implemented for pedantic GCC compatibility, we 417218893Sdim // return an answer which matches our definition of __VERSION__. 418218893Sdim // 419218893Sdim // If we want to return a more correct answer some day, then we should 420218893Sdim // introduce a non-pedantically GCC compatible mode to Clang in which we 421218893Sdim // provide sensible definitions for -dumpversion, __VERSION__, etc. 422218893Sdim llvm::outs() << "4.2.1\n"; 423193326Sed return false; 424193326Sed } 425210299Sed 426208600Srdivacky if (C.getArgs().hasArg(options::OPT__print_diagnostic_categories)) { 427208600Srdivacky PrintDiagnosticCategories(llvm::outs()); 428208600Srdivacky return false; 429208600Srdivacky } 430193326Sed 431198092Srdivacky if (C.getArgs().hasArg(options::OPT__help) || 432193326Sed C.getArgs().hasArg(options::OPT__help_hidden)) { 433193326Sed PrintHelp(C.getArgs().hasArg(options::OPT__help_hidden)); 434193326Sed return false; 435193326Sed } 436193326Sed 437193326Sed if (C.getArgs().hasArg(options::OPT__version)) { 438198092Srdivacky // Follow gcc behavior and use stdout for --version and stderr for -v. 439198092Srdivacky PrintVersion(C, llvm::outs()); 440193326Sed return false; 441193326Sed } 442193326Sed 443198092Srdivacky if (C.getArgs().hasArg(options::OPT_v) || 444193326Sed C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) { 445198092Srdivacky PrintVersion(C, llvm::errs()); 446193326Sed SuppressMissingInputWarning = true; 447193326Sed } 448193326Sed 449193326Sed const ToolChain &TC = C.getDefaultToolChain(); 450193326Sed if (C.getArgs().hasArg(options::OPT_print_search_dirs)) { 451193326Sed llvm::outs() << "programs: ="; 452193326Sed for (ToolChain::path_list::const_iterator it = TC.getProgramPaths().begin(), 453193326Sed ie = TC.getProgramPaths().end(); it != ie; ++it) { 454193326Sed if (it != TC.getProgramPaths().begin()) 455193326Sed llvm::outs() << ':'; 456193326Sed llvm::outs() << *it; 457193326Sed } 458193326Sed llvm::outs() << "\n"; 459193326Sed llvm::outs() << "libraries: ="; 460198092Srdivacky for (ToolChain::path_list::const_iterator it = TC.getFilePaths().begin(), 461193326Sed ie = TC.getFilePaths().end(); it != ie; ++it) { 462193326Sed if (it != TC.getFilePaths().begin()) 463193326Sed llvm::outs() << ':'; 464193326Sed llvm::outs() << *it; 465193326Sed } 466193326Sed llvm::outs() << "\n"; 467193326Sed return false; 468193326Sed } 469193326Sed 470198092Srdivacky // FIXME: The following handlers should use a callback mechanism, we don't 471198092Srdivacky // know what the client would like to do. 472193326Sed if (Arg *A = C.getArgs().getLastArg(options::OPT_print_file_name_EQ)) { 473198092Srdivacky llvm::outs() << GetFilePath(A->getValue(C.getArgs()), TC) << "\n"; 474193326Sed return false; 475193326Sed } 476193326Sed 477193326Sed if (Arg *A = C.getArgs().getLastArg(options::OPT_print_prog_name_EQ)) { 478198092Srdivacky llvm::outs() << GetProgramPath(A->getValue(C.getArgs()), TC) << "\n"; 479193326Sed return false; 480193326Sed } 481193326Sed 482193326Sed if (C.getArgs().hasArg(options::OPT_print_libgcc_file_name)) { 483198092Srdivacky llvm::outs() << GetFilePath("libgcc.a", TC) << "\n"; 484193326Sed return false; 485193326Sed } 486193326Sed 487194613Sed if (C.getArgs().hasArg(options::OPT_print_multi_lib)) { 488194613Sed // FIXME: We need tool chain support for this. 489194613Sed llvm::outs() << ".;\n"; 490194613Sed 491194613Sed switch (C.getDefaultToolChain().getTriple().getArch()) { 492194613Sed default: 493194613Sed break; 494198092Srdivacky 495194613Sed case llvm::Triple::x86_64: 496194613Sed llvm::outs() << "x86_64;@m64" << "\n"; 497194613Sed break; 498194613Sed 499194613Sed case llvm::Triple::ppc64: 500194613Sed llvm::outs() << "ppc64;@m64" << "\n"; 501194613Sed break; 502194613Sed } 503194613Sed return false; 504194613Sed } 505194613Sed 506194613Sed // FIXME: What is the difference between print-multi-directory and 507194613Sed // print-multi-os-directory? 508194613Sed if (C.getArgs().hasArg(options::OPT_print_multi_directory) || 509194613Sed C.getArgs().hasArg(options::OPT_print_multi_os_directory)) { 510194613Sed switch (C.getDefaultToolChain().getTriple().getArch()) { 511194613Sed default: 512194613Sed case llvm::Triple::x86: 513194613Sed case llvm::Triple::ppc: 514194613Sed llvm::outs() << "." << "\n"; 515194613Sed break; 516198092Srdivacky 517194613Sed case llvm::Triple::x86_64: 518213492Sdim llvm::outs() << "." << "\n"; 519194613Sed break; 520194613Sed 521194613Sed case llvm::Triple::ppc64: 522194613Sed llvm::outs() << "ppc64" << "\n"; 523194613Sed break; 524194613Sed } 525194613Sed return false; 526194613Sed } 527194613Sed 528193326Sed return true; 529193326Sed} 530193326Sed 531198092Srdivackystatic unsigned PrintActions1(const Compilation &C, Action *A, 532193326Sed std::map<Action*, unsigned> &Ids) { 533193326Sed if (Ids.count(A)) 534193326Sed return Ids[A]; 535198092Srdivacky 536193326Sed std::string str; 537193326Sed llvm::raw_string_ostream os(str); 538198092Srdivacky 539193326Sed os << Action::getClassName(A->getKind()) << ", "; 540198092Srdivacky if (InputAction *IA = dyn_cast<InputAction>(A)) { 541193326Sed os << "\"" << IA->getInputArg().getValue(C.getArgs()) << "\""; 542193326Sed } else if (BindArchAction *BIA = dyn_cast<BindArchAction>(A)) { 543198092Srdivacky os << '"' << (BIA->getArchName() ? BIA->getArchName() : 544193326Sed C.getDefaultToolChain().getArchName()) << '"' 545193326Sed << ", {" << PrintActions1(C, *BIA->begin(), Ids) << "}"; 546193326Sed } else { 547193326Sed os << "{"; 548193326Sed for (Action::iterator it = A->begin(), ie = A->end(); it != ie;) { 549193326Sed os << PrintActions1(C, *it, Ids); 550193326Sed ++it; 551193326Sed if (it != ie) 552193326Sed os << ", "; 553193326Sed } 554193326Sed os << "}"; 555193326Sed } 556193326Sed 557193326Sed unsigned Id = Ids.size(); 558193326Sed Ids[A] = Id; 559198092Srdivacky llvm::errs() << Id << ": " << os.str() << ", " 560193326Sed << types::getTypeName(A->getType()) << "\n"; 561193326Sed 562193326Sed return Id; 563193326Sed} 564193326Sed 565193326Sedvoid Driver::PrintActions(const Compilation &C) const { 566193326Sed std::map<Action*, unsigned> Ids; 567198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 568193326Sed ie = C.getActions().end(); it != ie; ++it) 569193326Sed PrintActions1(C, *it, Ids); 570193326Sed} 571193326Sed 572210299Sed/// \brief Check whether the given input tree contains any compilation (or 573210299Sed/// assembly) actions. 574210299Sedstatic bool ContainsCompileAction(const Action *A) { 575210299Sed if (isa<CompileJobAction>(A) || isa<AssembleJobAction>(A)) 576210299Sed return true; 577210299Sed 578210299Sed for (Action::const_iterator it = A->begin(), ie = A->end(); it != ie; ++it) 579210299Sed if (ContainsCompileAction(*it)) 580210299Sed return true; 581210299Sed 582210299Sed return false; 583210299Sed} 584210299Sed 585212904Sdimvoid Driver::BuildUniversalActions(const ToolChain &TC, 586221345Sdim const DerivedArgList &Args, 587193326Sed ActionList &Actions) const { 588198092Srdivacky llvm::PrettyStackTraceString CrashInfo("Building universal build actions"); 589198092Srdivacky // Collect the list of architectures. Duplicates are allowed, but should only 590198092Srdivacky // be handled once (in the order seen). 591193326Sed llvm::StringSet<> ArchNames; 592193326Sed llvm::SmallVector<const char *, 4> Archs; 593198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 594193326Sed it != ie; ++it) { 595193326Sed Arg *A = *it; 596193326Sed 597199512Srdivacky if (A->getOption().matches(options::OPT_arch)) { 598198092Srdivacky // Validate the option here; we don't save the type here because its 599198092Srdivacky // particular spelling may participate in other driver choices. 600198092Srdivacky llvm::Triple::ArchType Arch = 601198092Srdivacky llvm::Triple::getArchTypeForDarwinArchName(A->getValue(Args)); 602198092Srdivacky if (Arch == llvm::Triple::UnknownArch) { 603198092Srdivacky Diag(clang::diag::err_drv_invalid_arch_name) 604198092Srdivacky << A->getAsString(Args); 605198092Srdivacky continue; 606198092Srdivacky } 607193326Sed 608193326Sed A->claim(); 609198092Srdivacky if (ArchNames.insert(A->getValue(Args))) 610198092Srdivacky Archs.push_back(A->getValue(Args)); 611193326Sed } 612193326Sed } 613193326Sed 614198092Srdivacky // When there is no explicit arch for this platform, make sure we still bind 615198092Srdivacky // the architecture (to the default) so that -Xarch_ is handled correctly. 616193326Sed if (!Archs.size()) 617193326Sed Archs.push_back(0); 618193326Sed 619198092Srdivacky // FIXME: We killed off some others but these aren't yet detected in a 620198092Srdivacky // functional manner. If we added information to jobs about which "auxiliary" 621198092Srdivacky // files they wrote then we could detect the conflict these cause downstream. 622193326Sed if (Archs.size() > 1) { 623193326Sed // No recovery needed, the point of this is just to prevent 624193326Sed // overwriting the same files. 625193326Sed if (const Arg *A = Args.getLastArg(options::OPT_save_temps)) 626198092Srdivacky Diag(clang::diag::err_drv_invalid_opt_with_multiple_archs) 627193326Sed << A->getAsString(Args); 628193326Sed } 629193326Sed 630193326Sed ActionList SingleActions; 631212904Sdim BuildActions(TC, Args, SingleActions); 632193326Sed 633210299Sed // Add in arch bindings for every top level action, as well as lipo and 634210299Sed // dsymutil steps if needed. 635193326Sed for (unsigned i = 0, e = SingleActions.size(); i != e; ++i) { 636193326Sed Action *Act = SingleActions[i]; 637193326Sed 638198092Srdivacky // Make sure we can lipo this kind of output. If not (and it is an actual 639198092Srdivacky // output) then we disallow, since we can't create an output file with the 640198092Srdivacky // right name without overwriting it. We could remove this oddity by just 641198092Srdivacky // changing the output names to include the arch, which would also fix 642193326Sed // -save-temps. Compatibility wins for now. 643193326Sed 644193326Sed if (Archs.size() > 1 && !types::canLipoType(Act->getType())) 645193326Sed Diag(clang::diag::err_drv_invalid_output_with_multiple_archs) 646193326Sed << types::getTypeName(Act->getType()); 647193326Sed 648193326Sed ActionList Inputs; 649205219Srdivacky for (unsigned i = 0, e = Archs.size(); i != e; ++i) { 650193326Sed Inputs.push_back(new BindArchAction(Act, Archs[i])); 651205219Srdivacky if (i != 0) 652205219Srdivacky Inputs.back()->setOwnsInputs(false); 653205219Srdivacky } 654193326Sed 655198092Srdivacky // Lipo if necessary, we do it this way because we need to set the arch flag 656198092Srdivacky // so that -Xarch_ gets overwritten. 657193326Sed if (Inputs.size() == 1 || Act->getType() == types::TY_Nothing) 658193326Sed Actions.append(Inputs.begin(), Inputs.end()); 659193326Sed else 660193326Sed Actions.push_back(new LipoJobAction(Inputs, Act->getType())); 661210299Sed 662210299Sed // Add a 'dsymutil' step if necessary, when debug info is enabled and we 663210299Sed // have a compile input. We need to run 'dsymutil' ourselves in such cases 664210299Sed // because the debug info will refer to a temporary object file which is 665210299Sed // will be removed at the end of the compilation process. 666210299Sed if (Act->getType() == types::TY_Image) { 667210299Sed Arg *A = Args.getLastArg(options::OPT_g_Group); 668210299Sed if (A && !A->getOption().matches(options::OPT_g0) && 669210299Sed !A->getOption().matches(options::OPT_gstabs) && 670210299Sed ContainsCompileAction(Actions.back())) { 671210299Sed ActionList Inputs; 672210299Sed Inputs.push_back(Actions.back()); 673210299Sed Actions.pop_back(); 674210299Sed 675210299Sed Actions.push_back(new DsymutilJobAction(Inputs, types::TY_dSYM)); 676210299Sed } 677210299Sed } 678193326Sed } 679193326Sed} 680193326Sed 681221345Sdimvoid Driver::BuildActions(const ToolChain &TC, const DerivedArgList &Args, 682212904Sdim ActionList &Actions) const { 683193326Sed llvm::PrettyStackTraceString CrashInfo("Building compilation actions"); 684193326Sed // Start by constructing the list of inputs and their types. 685193326Sed 686198092Srdivacky // Track the current user specified (-x) input. We also explicitly track the 687198092Srdivacky // argument used to set the type; we only want to claim the type when we 688198092Srdivacky // actually use it, so we warn about unused -x arguments. 689193326Sed types::ID InputType = types::TY_Nothing; 690193326Sed Arg *InputTypeArg = 0; 691193326Sed 692193326Sed llvm::SmallVector<std::pair<types::ID, const Arg*>, 16> Inputs; 693198092Srdivacky for (ArgList::const_iterator it = Args.begin(), ie = Args.end(); 694193326Sed it != ie; ++it) { 695193326Sed Arg *A = *it; 696193326Sed 697193326Sed if (isa<InputOption>(A->getOption())) { 698193326Sed const char *Value = A->getValue(Args); 699193326Sed types::ID Ty = types::TY_INVALID; 700193326Sed 701193326Sed // Infer the input type if necessary. 702193326Sed if (InputType == types::TY_Nothing) { 703193326Sed // If there was an explicit arg for this, claim it. 704193326Sed if (InputTypeArg) 705193326Sed InputTypeArg->claim(); 706193326Sed 707193326Sed // stdin must be handled specially. 708193326Sed if (memcmp(Value, "-", 2) == 0) { 709198092Srdivacky // If running with -E, treat as a C input (this changes the builtin 710198092Srdivacky // macros, for example). This may be overridden by -ObjC below. 711193326Sed // 712198092Srdivacky // Otherwise emit an error but still use a valid type to avoid 713198092Srdivacky // spurious errors (e.g., no inputs). 714221345Sdim if (!Args.hasArgNoClaim(options::OPT_E) && !CCCIsCPP) 715193326Sed Diag(clang::diag::err_drv_unknown_stdin_type); 716193326Sed Ty = types::TY_C; 717193326Sed } else { 718221345Sdim // Otherwise lookup by extension. 719221345Sdim // Fallback is C if invoked as C preprocessor or Object otherwise. 720221345Sdim // We use a host hook here because Darwin at least has its own 721198092Srdivacky // idea of what .s is. 722193326Sed if (const char *Ext = strrchr(Value, '.')) 723212904Sdim Ty = TC.LookupTypeForExtension(Ext + 1); 724193326Sed 725221345Sdim if (Ty == types::TY_INVALID) { 726221345Sdim if (CCCIsCPP) 727221345Sdim Ty = types::TY_C; 728221345Sdim else 729221345Sdim Ty = types::TY_Object; 730221345Sdim } 731204643Srdivacky 732204643Srdivacky // If the driver is invoked as C++ compiler (like clang++ or c++) it 733204643Srdivacky // should autodetect some input files as C++ for g++ compatibility. 734204643Srdivacky if (CCCIsCXX) { 735204643Srdivacky types::ID OldTy = Ty; 736204643Srdivacky Ty = types::lookupCXXTypeForCType(Ty); 737204643Srdivacky 738204643Srdivacky if (Ty != OldTy) 739204643Srdivacky Diag(clang::diag::warn_drv_treating_input_as_cxx) 740204643Srdivacky << getTypeName(OldTy) << getTypeName(Ty); 741204643Srdivacky } 742193326Sed } 743193326Sed 744193326Sed // -ObjC and -ObjC++ override the default language, but only for "source 745193326Sed // files". We just treat everything that isn't a linker input as a 746193326Sed // source file. 747198092Srdivacky // 748193326Sed // FIXME: Clean this up if we move the phase sequence into the type. 749193326Sed if (Ty != types::TY_Object) { 750193326Sed if (Args.hasArg(options::OPT_ObjC)) 751193326Sed Ty = types::TY_ObjC; 752193326Sed else if (Args.hasArg(options::OPT_ObjCXX)) 753193326Sed Ty = types::TY_ObjCXX; 754193326Sed } 755193326Sed } else { 756193326Sed assert(InputTypeArg && "InputType set w/o InputTypeArg"); 757193326Sed InputTypeArg->claim(); 758193326Sed Ty = InputType; 759193326Sed } 760193326Sed 761203955Srdivacky // Check that the file exists, if enabled. 762218893Sdim if (CheckInputsExist && memcmp(Value, "-", 2) != 0) { 763218893Sdim llvm::SmallString<64> Path(Value); 764218893Sdim if (Arg *WorkDir = Args.getLastArg(options::OPT_working_directory)) 765218893Sdim if (llvm::sys::path::is_absolute(Path.str())) { 766218893Sdim Path = WorkDir->getValue(Args); 767218893Sdim llvm::sys::path::append(Path, Value); 768218893Sdim } 769218893Sdim 770218893Sdim bool exists = false; 771218893Sdim if (/*error_code ec =*/llvm::sys::fs::exists(Value, exists) || !exists) 772218893Sdim Diag(clang::diag::err_drv_no_such_file) << Path.str(); 773218893Sdim else 774218893Sdim Inputs.push_back(std::make_pair(Ty, A)); 775218893Sdim } else 776193326Sed Inputs.push_back(std::make_pair(Ty, A)); 777193326Sed 778193326Sed } else if (A->getOption().isLinkerInput()) { 779198092Srdivacky // Just treat as object type, we could make a special type for this if 780198092Srdivacky // necessary. 781193326Sed Inputs.push_back(std::make_pair(types::TY_Object, A)); 782193326Sed 783199512Srdivacky } else if (A->getOption().matches(options::OPT_x)) { 784198092Srdivacky InputTypeArg = A; 785193326Sed InputType = types::lookupTypeForTypeSpecifier(A->getValue(Args)); 786193326Sed 787193326Sed // Follow gcc behavior and treat as linker input for invalid -x 788198092Srdivacky // options. Its not clear why we shouldn't just revert to unknown; but 789218893Sdim // this isn't very important, we might as well be bug compatible. 790193326Sed if (!InputType) { 791193326Sed Diag(clang::diag::err_drv_unknown_language) << A->getValue(Args); 792193326Sed InputType = types::TY_Object; 793193326Sed } 794193326Sed } 795193326Sed } 796193326Sed 797221345Sdim if (CCCIsCPP && Inputs.empty()) { 798221345Sdim // If called as standalone preprocessor, stdin is processed 799221345Sdim // if no other input is present. 800221345Sdim unsigned Index = Args.getBaseArgs().MakeIndex("-"); 801221345Sdim Arg *A = Opts->ParseOneArg(Args, Index); 802221345Sdim A->claim(); 803221345Sdim Inputs.push_back(std::make_pair(types::TY_C, A)); 804221345Sdim } 805221345Sdim 806193326Sed if (!SuppressMissingInputWarning && Inputs.empty()) { 807193326Sed Diag(clang::diag::err_drv_no_input_files); 808193326Sed return; 809193326Sed } 810193326Sed 811198092Srdivacky // Determine which compilation mode we are in. We look for options which 812198092Srdivacky // affect the phase, starting with the earliest phases, and record which 813198092Srdivacky // option we used to determine the final phase. 814193326Sed Arg *FinalPhaseArg = 0; 815193326Sed phases::ID FinalPhase; 816193326Sed 817193326Sed // -{E,M,MM} only run the preprocessor. 818221345Sdim if (CCCIsCPP || 819221345Sdim (FinalPhaseArg = Args.getLastArg(options::OPT_E)) || 820218893Sdim (FinalPhaseArg = Args.getLastArg(options::OPT_M, options::OPT_MM))) { 821193326Sed FinalPhase = phases::Preprocess; 822198092Srdivacky 823198092Srdivacky // -{fsyntax-only,-analyze,emit-ast,S} only run up to the compiler. 824193326Sed } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_fsyntax_only)) || 825203955Srdivacky (FinalPhaseArg = Args.getLastArg(options::OPT_rewrite_objc)) || 826193326Sed (FinalPhaseArg = Args.getLastArg(options::OPT__analyze, 827193326Sed options::OPT__analyze_auto)) || 828198092Srdivacky (FinalPhaseArg = Args.getLastArg(options::OPT_emit_ast)) || 829193326Sed (FinalPhaseArg = Args.getLastArg(options::OPT_S))) { 830193326Sed FinalPhase = phases::Compile; 831193326Sed 832193326Sed // -c only runs up to the assembler. 833193326Sed } else if ((FinalPhaseArg = Args.getLastArg(options::OPT_c))) { 834193326Sed FinalPhase = phases::Assemble; 835198092Srdivacky 836193326Sed // Otherwise do everything. 837193326Sed } else 838193326Sed FinalPhase = phases::Link; 839193326Sed 840198092Srdivacky // Reject -Z* at the top level, these options should never have been exposed 841198092Srdivacky // by gcc. 842193326Sed if (Arg *A = Args.getLastArg(options::OPT_Z_Joined)) 843193326Sed Diag(clang::diag::err_drv_use_of_Z_option) << A->getAsString(Args); 844193326Sed 845193326Sed // Construct the actions to perform. 846193326Sed ActionList LinkerInputs; 847193326Sed for (unsigned i = 0, e = Inputs.size(); i != e; ++i) { 848193326Sed types::ID InputType = Inputs[i].first; 849193326Sed const Arg *InputArg = Inputs[i].second; 850193326Sed 851193326Sed unsigned NumSteps = types::getNumCompilationPhases(InputType); 852193326Sed assert(NumSteps && "Invalid number of steps!"); 853193326Sed 854198092Srdivacky // If the first step comes after the final phase we are doing as part of 855198092Srdivacky // this compilation, warn the user about it. 856193326Sed phases::ID InitialPhase = types::getCompilationPhase(InputType, 0); 857193326Sed if (InitialPhase > FinalPhase) { 858193326Sed // Claim here to avoid the more general unused warning. 859193326Sed InputArg->claim(); 860198092Srdivacky 861221345Sdim // Suppress all unused style warnings with -Qunused-arguments 862221345Sdim if (Args.hasArg(options::OPT_Qunused_arguments)) 863221345Sdim continue; 864221345Sdim 865198092Srdivacky // Special case '-E' warning on a previously preprocessed file to make 866198092Srdivacky // more sense. 867198092Srdivacky if (InitialPhase == phases::Compile && FinalPhase == phases::Preprocess && 868198092Srdivacky getPreprocessedType(InputType) == types::TY_INVALID) 869198092Srdivacky Diag(clang::diag::warn_drv_preprocessed_input_file_unused) 870198092Srdivacky << InputArg->getAsString(Args) 871198092Srdivacky << FinalPhaseArg->getOption().getName(); 872198092Srdivacky else 873198092Srdivacky Diag(clang::diag::warn_drv_input_file_unused) 874198092Srdivacky << InputArg->getAsString(Args) 875198092Srdivacky << getPhaseName(InitialPhase) 876198092Srdivacky << FinalPhaseArg->getOption().getName(); 877193326Sed continue; 878193326Sed } 879198092Srdivacky 880193326Sed // Build the pipeline for this file. 881202879Srdivacky llvm::OwningPtr<Action> Current(new InputAction(*InputArg, InputType)); 882193326Sed for (unsigned i = 0; i != NumSteps; ++i) { 883193326Sed phases::ID Phase = types::getCompilationPhase(InputType, i); 884193326Sed 885193326Sed // We are done if this step is past what the user requested. 886193326Sed if (Phase > FinalPhase) 887193326Sed break; 888193326Sed 889193326Sed // Queue linker inputs. 890193326Sed if (Phase == phases::Link) { 891193326Sed assert(i + 1 == NumSteps && "linking must be final compilation step."); 892202879Srdivacky LinkerInputs.push_back(Current.take()); 893193326Sed break; 894193326Sed } 895193326Sed 896198092Srdivacky // Some types skip the assembler phase (e.g., llvm-bc), but we can't 897198092Srdivacky // encode this in the steps because the intermediate type depends on 898198092Srdivacky // arguments. Just special case here. 899193326Sed if (Phase == phases::Assemble && Current->getType() != types::TY_PP_Asm) 900193326Sed continue; 901193326Sed 902193326Sed // Otherwise construct the appropriate action. 903202879Srdivacky Current.reset(ConstructPhaseAction(Args, Phase, Current.take())); 904193326Sed if (Current->getType() == types::TY_Nothing) 905193326Sed break; 906193326Sed } 907193326Sed 908193326Sed // If we ended with something, add to the output list. 909193326Sed if (Current) 910202879Srdivacky Actions.push_back(Current.take()); 911193326Sed } 912193326Sed 913193326Sed // Add a link action if necessary. 914193326Sed if (!LinkerInputs.empty()) 915193326Sed Actions.push_back(new LinkJobAction(LinkerInputs, types::TY_Image)); 916201361Srdivacky 917201361Srdivacky // If we are linking, claim any options which are obviously only used for 918201361Srdivacky // compilation. 919201361Srdivacky if (FinalPhase == phases::Link) 920201361Srdivacky Args.ClaimAllArgs(options::OPT_CompileOnly_Group); 921193326Sed} 922193326Sed 923193326SedAction *Driver::ConstructPhaseAction(const ArgList &Args, phases::ID Phase, 924193326Sed Action *Input) const { 925193326Sed llvm::PrettyStackTraceString CrashInfo("Constructing phase actions"); 926193326Sed // Build the appropriate action. 927193326Sed switch (Phase) { 928193326Sed case phases::Link: assert(0 && "link action invalid here."); 929193326Sed case phases::Preprocess: { 930193326Sed types::ID OutputTy; 931193326Sed // -{M, MM} alter the output type. 932218893Sdim if (Args.hasArg(options::OPT_M, options::OPT_MM)) { 933193326Sed OutputTy = types::TY_Dependencies; 934193326Sed } else { 935193326Sed OutputTy = types::getPreprocessedType(Input->getType()); 936193326Sed assert(OutputTy != types::TY_INVALID && 937193326Sed "Cannot preprocess this input type!"); 938193326Sed } 939193326Sed return new PreprocessJobAction(Input, OutputTy); 940193326Sed } 941193326Sed case phases::Precompile: 942198092Srdivacky return new PrecompileJobAction(Input, types::TY_PCH); 943193326Sed case phases::Compile: { 944201361Srdivacky bool HasO4 = false; 945201361Srdivacky if (const Arg *A = Args.getLastArg(options::OPT_O_Group)) 946201361Srdivacky HasO4 = A->getOption().matches(options::OPT_O4); 947201361Srdivacky 948193326Sed if (Args.hasArg(options::OPT_fsyntax_only)) { 949193326Sed return new CompileJobAction(Input, types::TY_Nothing); 950203955Srdivacky } else if (Args.hasArg(options::OPT_rewrite_objc)) { 951203955Srdivacky return new CompileJobAction(Input, types::TY_RewrittenObjC); 952193326Sed } else if (Args.hasArg(options::OPT__analyze, options::OPT__analyze_auto)) { 953193326Sed return new AnalyzeJobAction(Input, types::TY_Plist); 954198092Srdivacky } else if (Args.hasArg(options::OPT_emit_ast)) { 955198092Srdivacky return new CompileJobAction(Input, types::TY_AST); 956193326Sed } else if (Args.hasArg(options::OPT_emit_llvm) || 957221345Sdim Args.hasFlag(options::OPT_flto, options::OPT_fno_lto, false) || 958221345Sdim HasO4) { 959198092Srdivacky types::ID Output = 960210299Sed Args.hasArg(options::OPT_S) ? types::TY_LTO_IR : types::TY_LTO_BC; 961193326Sed return new CompileJobAction(Input, Output); 962193326Sed } else { 963193326Sed return new CompileJobAction(Input, types::TY_PP_Asm); 964193326Sed } 965193326Sed } 966193326Sed case phases::Assemble: 967193326Sed return new AssembleJobAction(Input, types::TY_Object); 968193326Sed } 969193326Sed 970193326Sed assert(0 && "invalid phase in ConstructPhaseAction"); 971193326Sed return 0; 972193326Sed} 973193326Sed 974193326Sedvoid Driver::BuildJobs(Compilation &C) const { 975193326Sed llvm::PrettyStackTraceString CrashInfo("Building compilation jobs"); 976193326Sed 977193326Sed Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o); 978193326Sed 979198092Srdivacky // It is an error to provide a -o option if we are making multiple output 980198092Srdivacky // files. 981193326Sed if (FinalOutput) { 982193326Sed unsigned NumOutputs = 0; 983198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 984193326Sed ie = C.getActions().end(); it != ie; ++it) 985193326Sed if ((*it)->getType() != types::TY_Nothing) 986193326Sed ++NumOutputs; 987198092Srdivacky 988193326Sed if (NumOutputs > 1) { 989193326Sed Diag(clang::diag::err_drv_output_argument_with_multiple_files); 990193326Sed FinalOutput = 0; 991193326Sed } 992193326Sed } 993193326Sed 994198092Srdivacky for (ActionList::const_iterator it = C.getActions().begin(), 995193326Sed ie = C.getActions().end(); it != ie; ++it) { 996193326Sed Action *A = *it; 997193326Sed 998198092Srdivacky // If we are linking an image for multiple archs then the linker wants 999198092Srdivacky // -arch_multiple and -final_output <final image name>. Unfortunately, this 1000198092Srdivacky // doesn't fit in cleanly because we have to pass this information down. 1001193326Sed // 1002198092Srdivacky // FIXME: This is a hack; find a cleaner way to integrate this into the 1003198092Srdivacky // process. 1004193326Sed const char *LinkingOutput = 0; 1005193326Sed if (isa<LipoJobAction>(A)) { 1006193326Sed if (FinalOutput) 1007193326Sed LinkingOutput = FinalOutput->getValue(C.getArgs()); 1008193326Sed else 1009193326Sed LinkingOutput = DefaultImageName.c_str(); 1010193326Sed } 1011193326Sed 1012193326Sed InputInfo II; 1013198092Srdivacky BuildJobsForAction(C, A, &C.getDefaultToolChain(), 1014198092Srdivacky /*BoundArch*/0, 1015193326Sed /*AtTopLevel*/ true, 1016193326Sed /*LinkingOutput*/ LinkingOutput, 1017193326Sed II); 1018193326Sed } 1019193326Sed 1020198092Srdivacky // If the user passed -Qunused-arguments or there were errors, don't warn 1021198092Srdivacky // about any unused arguments. 1022218893Sdim if (Diags.hasErrorOccurred() || 1023193326Sed C.getArgs().hasArg(options::OPT_Qunused_arguments)) 1024193326Sed return; 1025193326Sed 1026193326Sed // Claim -### here. 1027193326Sed (void) C.getArgs().hasArg(options::OPT__HASH_HASH_HASH); 1028198092Srdivacky 1029193326Sed for (ArgList::const_iterator it = C.getArgs().begin(), ie = C.getArgs().end(); 1030193326Sed it != ie; ++it) { 1031193326Sed Arg *A = *it; 1032198092Srdivacky 1033193326Sed // FIXME: It would be nice to be able to send the argument to the 1034198092Srdivacky // Diagnostic, so that extra values, position, and so on could be printed. 1035193326Sed if (!A->isClaimed()) { 1036193326Sed if (A->getOption().hasNoArgumentUnused()) 1037193326Sed continue; 1038193326Sed 1039198092Srdivacky // Suppress the warning automatically if this is just a flag, and it is an 1040198092Srdivacky // instance of an argument we already claimed. 1041193326Sed const Option &Opt = A->getOption(); 1042193326Sed if (isa<FlagOption>(Opt)) { 1043193326Sed bool DuplicateClaimed = false; 1044193326Sed 1045199990Srdivacky for (arg_iterator it = C.getArgs().filtered_begin(&Opt), 1046199990Srdivacky ie = C.getArgs().filtered_end(); it != ie; ++it) { 1047199990Srdivacky if ((*it)->isClaimed()) { 1048193326Sed DuplicateClaimed = true; 1049193326Sed break; 1050193326Sed } 1051193326Sed } 1052193326Sed 1053193326Sed if (DuplicateClaimed) 1054193326Sed continue; 1055193326Sed } 1056193326Sed 1057198092Srdivacky Diag(clang::diag::warn_drv_unused_argument) 1058193326Sed << A->getAsString(C.getArgs()); 1059193326Sed } 1060193326Sed } 1061193326Sed} 1062193326Sed 1063203955Srdivackystatic const Tool &SelectToolForJob(Compilation &C, const ToolChain *TC, 1064203955Srdivacky const JobAction *JA, 1065203955Srdivacky const ActionList *&Inputs) { 1066203955Srdivacky const Tool *ToolForJob = 0; 1067203955Srdivacky 1068203955Srdivacky // See if we should look for a compiler with an integrated assembler. We match 1069203955Srdivacky // bottom up, so what we are actually looking for is an assembler job with a 1070203955Srdivacky // compiler input. 1071208600Srdivacky 1072208600Srdivacky // FIXME: This doesn't belong here, but ideally we will support static soon 1073208600Srdivacky // anyway. 1074208600Srdivacky bool HasStatic = (C.getArgs().hasArg(options::OPT_mkernel) || 1075208600Srdivacky C.getArgs().hasArg(options::OPT_static) || 1076208600Srdivacky C.getArgs().hasArg(options::OPT_fapple_kext)); 1077221345Sdim bool IsDarwin = TC->getTriple().getOS() == llvm::Triple::Darwin; 1078221345Sdim bool IsIADefault = TC->IsIntegratedAssemblerDefault() && 1079221345Sdim !(HasStatic && IsDarwin); 1080208600Srdivacky if (C.getArgs().hasFlag(options::OPT_integrated_as, 1081203955Srdivacky options::OPT_no_integrated_as, 1082208600Srdivacky IsIADefault) && 1083203955Srdivacky !C.getArgs().hasArg(options::OPT_save_temps) && 1084203955Srdivacky isa<AssembleJobAction>(JA) && 1085203955Srdivacky Inputs->size() == 1 && isa<CompileJobAction>(*Inputs->begin())) { 1086221345Sdim const Tool &Compiler = TC->SelectTool( 1087221345Sdim C, cast<JobAction>(**Inputs->begin()), (*Inputs)[0]->getInputs()); 1088203955Srdivacky if (Compiler.hasIntegratedAssembler()) { 1089203955Srdivacky Inputs = &(*Inputs)[0]->getInputs(); 1090203955Srdivacky ToolForJob = &Compiler; 1091203955Srdivacky } 1092203955Srdivacky } 1093203955Srdivacky 1094203955Srdivacky // Otherwise use the tool for the current job. 1095203955Srdivacky if (!ToolForJob) 1096221345Sdim ToolForJob = &TC->SelectTool(C, *JA, *Inputs); 1097203955Srdivacky 1098203955Srdivacky // See if we should use an integrated preprocessor. We do so when we have 1099203955Srdivacky // exactly one input, since this is the only use case we care about 1100203955Srdivacky // (irrelevant since we don't support combine yet). 1101203955Srdivacky if (Inputs->size() == 1 && isa<PreprocessJobAction>(*Inputs->begin()) && 1102203955Srdivacky !C.getArgs().hasArg(options::OPT_no_integrated_cpp) && 1103203955Srdivacky !C.getArgs().hasArg(options::OPT_traditional_cpp) && 1104203955Srdivacky !C.getArgs().hasArg(options::OPT_save_temps) && 1105203955Srdivacky ToolForJob->hasIntegratedCPP()) 1106203955Srdivacky Inputs = &(*Inputs)[0]->getInputs(); 1107203955Srdivacky 1108203955Srdivacky return *ToolForJob; 1109203955Srdivacky} 1110203955Srdivacky 1111193326Sedvoid Driver::BuildJobsForAction(Compilation &C, 1112193326Sed const Action *A, 1113193326Sed const ToolChain *TC, 1114198092Srdivacky const char *BoundArch, 1115193326Sed bool AtTopLevel, 1116193326Sed const char *LinkingOutput, 1117193326Sed InputInfo &Result) const { 1118198092Srdivacky llvm::PrettyStackTraceString CrashInfo("Building compilation jobs"); 1119193326Sed 1120193326Sed if (const InputAction *IA = dyn_cast<InputAction>(A)) { 1121198092Srdivacky // FIXME: It would be nice to not claim this here; maybe the old scheme of 1122198092Srdivacky // just using Args was better? 1123193326Sed const Arg &Input = IA->getInputArg(); 1124193326Sed Input.claim(); 1125210299Sed if (Input.getOption().matches(options::OPT_INPUT)) { 1126193326Sed const char *Name = Input.getValue(C.getArgs()); 1127193326Sed Result = InputInfo(Name, A->getType(), Name); 1128193326Sed } else 1129193326Sed Result = InputInfo(&Input, A->getType(), ""); 1130193326Sed return; 1131193326Sed } 1132193326Sed 1133193326Sed if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) { 1134198092Srdivacky const ToolChain *TC = &C.getDefaultToolChain(); 1135198092Srdivacky 1136193326Sed std::string Arch; 1137198092Srdivacky if (BAA->getArchName()) 1138198092Srdivacky TC = Host->CreateToolChain(C.getArgs(), BAA->getArchName()); 1139198092Srdivacky 1140198092Srdivacky BuildJobsForAction(C, *BAA->begin(), TC, BAA->getArchName(), 1141212904Sdim AtTopLevel, LinkingOutput, Result); 1142193326Sed return; 1143193326Sed } 1144193326Sed 1145203955Srdivacky const ActionList *Inputs = &A->getInputs(); 1146203955Srdivacky 1147193326Sed const JobAction *JA = cast<JobAction>(A); 1148203955Srdivacky const Tool &T = SelectToolForJob(C, TC, JA, Inputs); 1149198092Srdivacky 1150193326Sed // Only use pipes when there is exactly one input. 1151193326Sed InputInfoList InputInfos; 1152193326Sed for (ActionList::const_iterator it = Inputs->begin(), ie = Inputs->end(); 1153193326Sed it != ie; ++it) { 1154210299Sed // Treat dsymutil sub-jobs as being at the top-level too, they shouldn't get 1155210299Sed // temporary output names. 1156210299Sed // 1157210299Sed // FIXME: Clean this up. 1158210299Sed bool SubJobAtTopLevel = false; 1159210299Sed if (AtTopLevel && isa<DsymutilJobAction>(A)) 1160210299Sed SubJobAtTopLevel = true; 1161210299Sed 1162193326Sed InputInfo II; 1163212904Sdim BuildJobsForAction(C, *it, TC, BoundArch, 1164210299Sed SubJobAtTopLevel, LinkingOutput, II); 1165193326Sed InputInfos.push_back(II); 1166193326Sed } 1167193326Sed 1168193326Sed // Always use the first input as the base input. 1169193326Sed const char *BaseInput = InputInfos[0].getBaseInput(); 1170193326Sed 1171210299Sed // ... except dsymutil actions, which use their actual input as the base 1172210299Sed // input. 1173210299Sed if (JA->getType() == types::TY_dSYM) 1174210299Sed BaseInput = InputInfos[0].getFilename(); 1175210299Sed 1176212904Sdim // Determine the place to write output to, if any. 1177193326Sed if (JA->getType() == types::TY_Nothing) { 1178193326Sed Result = InputInfo(A->getType(), BaseInput); 1179193326Sed } else { 1180193326Sed Result = InputInfo(GetNamedOutputPath(C, *JA, BaseInput, AtTopLevel), 1181193326Sed A->getType(), BaseInput); 1182193326Sed } 1183193326Sed 1184193326Sed if (CCCPrintBindings) { 1185193326Sed llvm::errs() << "# \"" << T.getToolChain().getTripleString() << '"' 1186193326Sed << " - \"" << T.getName() << "\", inputs: ["; 1187193326Sed for (unsigned i = 0, e = InputInfos.size(); i != e; ++i) { 1188193326Sed llvm::errs() << InputInfos[i].getAsString(); 1189193326Sed if (i + 1 != e) 1190193326Sed llvm::errs() << ", "; 1191193326Sed } 1192193326Sed llvm::errs() << "], output: " << Result.getAsString() << "\n"; 1193193326Sed } else { 1194212904Sdim T.ConstructJob(C, *JA, Result, InputInfos, 1195198092Srdivacky C.getArgsForToolChain(TC, BoundArch), LinkingOutput); 1196193326Sed } 1197193326Sed} 1198193326Sed 1199198092Srdivackyconst char *Driver::GetNamedOutputPath(Compilation &C, 1200193326Sed const JobAction &JA, 1201193326Sed const char *BaseInput, 1202193326Sed bool AtTopLevel) const { 1203193326Sed llvm::PrettyStackTraceString CrashInfo("Computing output path"); 1204193326Sed // Output to a user requested destination? 1205210299Sed if (AtTopLevel && !isa<DsymutilJobAction>(JA)) { 1206193326Sed if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o)) 1207193326Sed return C.addResultFile(FinalOutput->getValue(C.getArgs())); 1208193326Sed } 1209193326Sed 1210212904Sdim // Default to writing to stdout? 1211212904Sdim if (AtTopLevel && isa<PreprocessJobAction>(JA)) 1212212904Sdim return "-"; 1213212904Sdim 1214193326Sed // Output to a temporary file? 1215193326Sed if (!AtTopLevel && !C.getArgs().hasArg(options::OPT_save_temps)) { 1216198092Srdivacky std::string TmpName = 1217193326Sed GetTemporaryPath(types::getTypeTempSuffix(JA.getType())); 1218193326Sed return C.addTempFile(C.getArgs().MakeArgString(TmpName.c_str())); 1219193326Sed } 1220193326Sed 1221218893Sdim llvm::SmallString<128> BasePath(BaseInput); 1222221345Sdim llvm::StringRef BaseName; 1223193326Sed 1224221345Sdim // Dsymutil actions should use the full path. 1225221345Sdim if (isa<DsymutilJobAction>(JA)) 1226221345Sdim BaseName = BasePath; 1227221345Sdim else 1228221345Sdim BaseName = llvm::sys::path::filename(BasePath); 1229221345Sdim 1230193326Sed // Determine what the derived output name should be. 1231193326Sed const char *NamedOutput; 1232193326Sed if (JA.getType() == types::TY_Image) { 1233193326Sed NamedOutput = DefaultImageName.c_str(); 1234193326Sed } else { 1235193326Sed const char *Suffix = types::getTypeTempSuffix(JA.getType()); 1236193326Sed assert(Suffix && "All types used for output should have a suffix."); 1237193326Sed 1238193326Sed std::string::size_type End = std::string::npos; 1239193326Sed if (!types::appendSuffixForType(JA.getType())) 1240193326Sed End = BaseName.rfind('.'); 1241193326Sed std::string Suffixed(BaseName.substr(0, End)); 1242193326Sed Suffixed += '.'; 1243193326Sed Suffixed += Suffix; 1244193326Sed NamedOutput = C.getArgs().MakeArgString(Suffixed.c_str()); 1245193326Sed } 1246193326Sed 1247198092Srdivacky // As an annoying special case, PCH generation doesn't strip the pathname. 1248193326Sed if (JA.getType() == types::TY_PCH) { 1249218893Sdim llvm::sys::path::remove_filename(BasePath); 1250218893Sdim if (BasePath.empty()) 1251193326Sed BasePath = NamedOutput; 1252193326Sed else 1253218893Sdim llvm::sys::path::append(BasePath, NamedOutput); 1254193326Sed return C.addResultFile(C.getArgs().MakeArgString(BasePath.c_str())); 1255193326Sed } else { 1256193326Sed return C.addResultFile(NamedOutput); 1257193326Sed } 1258193326Sed} 1259193326Sed 1260198092Srdivackystd::string Driver::GetFilePath(const char *Name, const ToolChain &TC) const { 1261206084Srdivacky // Respect a limited subset of the '-Bprefix' functionality in GCC by 1262206084Srdivacky // attempting to use this prefix when lokup up program paths. 1263218893Sdim for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(), 1264218893Sdim ie = PrefixDirs.end(); it != ie; ++it) { 1265221345Sdim std::string Dir(*it); 1266221345Sdim if (Dir.empty()) 1267221345Sdim continue; 1268221345Sdim if (Dir[0] == '=') 1269221345Sdim Dir = SysRoot + Dir.substr(1); 1270221345Sdim llvm::sys::Path P(Dir); 1271206084Srdivacky P.appendComponent(Name); 1272218893Sdim bool Exists; 1273218893Sdim if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) 1274206084Srdivacky return P.str(); 1275206084Srdivacky } 1276206084Srdivacky 1277193326Sed const ToolChain::path_list &List = TC.getFilePaths(); 1278198092Srdivacky for (ToolChain::path_list::const_iterator 1279193326Sed it = List.begin(), ie = List.end(); it != ie; ++it) { 1280221345Sdim std::string Dir(*it); 1281221345Sdim if (Dir.empty()) 1282221345Sdim continue; 1283221345Sdim if (Dir[0] == '=') 1284221345Sdim Dir = SysRoot + Dir.substr(1); 1285221345Sdim llvm::sys::Path P(Dir); 1286193326Sed P.appendComponent(Name); 1287218893Sdim bool Exists; 1288218893Sdim if (!llvm::sys::fs::exists(P.str(), Exists) && Exists) 1289198092Srdivacky return P.str(); 1290193326Sed } 1291193326Sed 1292198092Srdivacky return Name; 1293193326Sed} 1294193326Sed 1295198092Srdivackystd::string Driver::GetProgramPath(const char *Name, const ToolChain &TC, 1296198092Srdivacky bool WantFile) const { 1297206084Srdivacky // Respect a limited subset of the '-Bprefix' functionality in GCC by 1298206084Srdivacky // attempting to use this prefix when lokup up program paths. 1299218893Sdim for (Driver::prefix_list::const_iterator it = PrefixDirs.begin(), 1300218893Sdim ie = PrefixDirs.end(); it != ie; ++it) { 1301218893Sdim llvm::sys::Path P(*it); 1302206084Srdivacky P.appendComponent(Name); 1303218893Sdim bool Exists; 1304218893Sdim if (WantFile ? !llvm::sys::fs::exists(P.str(), Exists) && Exists 1305218893Sdim : P.canExecute()) 1306206084Srdivacky return P.str(); 1307206084Srdivacky } 1308206084Srdivacky 1309193326Sed const ToolChain::path_list &List = TC.getProgramPaths(); 1310198092Srdivacky for (ToolChain::path_list::const_iterator 1311193326Sed it = List.begin(), ie = List.end(); it != ie; ++it) { 1312193326Sed llvm::sys::Path P(*it); 1313193326Sed P.appendComponent(Name); 1314218893Sdim bool Exists; 1315218893Sdim if (WantFile ? !llvm::sys::fs::exists(P.str(), Exists) && Exists 1316218893Sdim : P.canExecute()) 1317198092Srdivacky return P.str(); 1318193326Sed } 1319193326Sed 1320193326Sed // If all else failed, search the path. 1321193326Sed llvm::sys::Path P(llvm::sys::Program::FindProgramByName(Name)); 1322193326Sed if (!P.empty()) 1323198092Srdivacky return P.str(); 1324193326Sed 1325198092Srdivacky return Name; 1326193326Sed} 1327193326Sed 1328193326Sedstd::string Driver::GetTemporaryPath(const char *Suffix) const { 1329198092Srdivacky // FIXME: This is lame; sys::Path should provide this function (in particular, 1330198092Srdivacky // it should know how to find the temporary files dir). 1331193326Sed std::string Error; 1332193326Sed const char *TmpDir = ::getenv("TMPDIR"); 1333193326Sed if (!TmpDir) 1334193326Sed TmpDir = ::getenv("TEMP"); 1335193326Sed if (!TmpDir) 1336193326Sed TmpDir = ::getenv("TMP"); 1337193326Sed if (!TmpDir) 1338193326Sed TmpDir = "/tmp"; 1339193326Sed llvm::sys::Path P(TmpDir); 1340193326Sed P.appendComponent("cc"); 1341193326Sed if (P.makeUnique(false, &Error)) { 1342193326Sed Diag(clang::diag::err_drv_unable_to_make_temp) << Error; 1343193326Sed return ""; 1344193326Sed } 1345193326Sed 1346198092Srdivacky // FIXME: Grumble, makeUnique sometimes leaves the file around!? PR3837. 1347193326Sed P.eraseFromDisk(false, 0); 1348193326Sed 1349193326Sed P.appendSuffix(Suffix); 1350198092Srdivacky return P.str(); 1351193326Sed} 1352193326Sed 1353193326Sedconst HostInfo *Driver::GetHostInfo(const char *TripleStr) const { 1354193326Sed llvm::PrettyStackTraceString CrashInfo("Constructing host"); 1355221345Sdim llvm::Triple Triple(llvm::Triple::normalize(TripleStr).c_str()); 1356193326Sed 1357204793Srdivacky // TCE is an osless target 1358204793Srdivacky if (Triple.getArchName() == "tce") 1359210299Sed return createTCEHostInfo(*this, Triple); 1360204793Srdivacky 1361193326Sed switch (Triple.getOS()) { 1362198092Srdivacky case llvm::Triple::AuroraUX: 1363198092Srdivacky return createAuroraUXHostInfo(*this, Triple); 1364193326Sed case llvm::Triple::Darwin: 1365193326Sed return createDarwinHostInfo(*this, Triple); 1366193326Sed case llvm::Triple::DragonFly: 1367193326Sed return createDragonFlyHostInfo(*this, Triple); 1368195341Sed case llvm::Triple::OpenBSD: 1369195341Sed return createOpenBSDHostInfo(*this, Triple); 1370218893Sdim case llvm::Triple::NetBSD: 1371218893Sdim return createNetBSDHostInfo(*this, Triple); 1372193326Sed case llvm::Triple::FreeBSD: 1373193326Sed return createFreeBSDHostInfo(*this, Triple); 1374210299Sed case llvm::Triple::Minix: 1375210299Sed return createMinixHostInfo(*this, Triple); 1376193326Sed case llvm::Triple::Linux: 1377193326Sed return createLinuxHostInfo(*this, Triple); 1378212904Sdim case llvm::Triple::Win32: 1379212904Sdim return createWindowsHostInfo(*this, Triple); 1380212904Sdim case llvm::Triple::MinGW32: 1381212904Sdim return createMinGWHostInfo(*this, Triple); 1382193326Sed default: 1383193326Sed return createUnknownHostInfo(*this, Triple); 1384193326Sed } 1385193326Sed} 1386193326Sed 1387193326Sedbool Driver::ShouldUseClangCompiler(const Compilation &C, const JobAction &JA, 1388198092Srdivacky const llvm::Triple &Triple) const { 1389198092Srdivacky // Check if user requested no clang, or clang doesn't understand this type (we 1390198092Srdivacky // only handle single inputs for now). 1391198092Srdivacky if (!CCCUseClang || JA.size() != 1 || 1392193326Sed !types::isAcceptedByClang((*JA.begin())->getType())) 1393193326Sed return false; 1394193326Sed 1395193326Sed // Otherwise make sure this is an action clang understands. 1396193326Sed if (isa<PreprocessJobAction>(JA)) { 1397193326Sed if (!CCCUseClangCPP) { 1398193326Sed Diag(clang::diag::warn_drv_not_using_clang_cpp); 1399193326Sed return false; 1400193326Sed } 1401193326Sed } else if (!isa<PrecompileJobAction>(JA) && !isa<CompileJobAction>(JA)) 1402193326Sed return false; 1403193326Sed 1404193326Sed // Use clang for C++? 1405193326Sed if (!CCCUseClangCXX && types::isCXX((*JA.begin())->getType())) { 1406193326Sed Diag(clang::diag::warn_drv_not_using_clang_cxx); 1407193326Sed return false; 1408193326Sed } 1409193326Sed 1410203955Srdivacky // Always use clang for precompiling, AST generation, and rewriting, 1411203955Srdivacky // regardless of archs. 1412210299Sed if (isa<PrecompileJobAction>(JA) || 1413210299Sed types::isOnlyAcceptedByClang(JA.getType())) 1414193326Sed return true; 1415193326Sed 1416198092Srdivacky // Finally, don't use clang if this isn't one of the user specified archs to 1417198092Srdivacky // build. 1418198092Srdivacky if (!CCCClangArchs.empty() && !CCCClangArchs.count(Triple.getArch())) { 1419198092Srdivacky Diag(clang::diag::warn_drv_not_using_clang_arch) << Triple.getArchName(); 1420193326Sed return false; 1421193326Sed } 1422193326Sed 1423193326Sed return true; 1424193326Sed} 1425193326Sed 1426198092Srdivacky/// GetReleaseVersion - Parse (([0-9]+)(.([0-9]+)(.([0-9]+)?))?)? and return the 1427198092Srdivacky/// grouped values as integers. Numbers which are not provided are set to 0. 1428193326Sed/// 1429198092Srdivacky/// \return True if the entire string was parsed (9.2), or all groups were 1430198092Srdivacky/// parsed (10.3.5extrastuff). 1431198092Srdivackybool Driver::GetReleaseVersion(const char *Str, unsigned &Major, 1432193326Sed unsigned &Minor, unsigned &Micro, 1433193326Sed bool &HadExtra) { 1434193326Sed HadExtra = false; 1435193326Sed 1436193326Sed Major = Minor = Micro = 0; 1437198092Srdivacky if (*Str == '\0') 1438193326Sed return true; 1439193326Sed 1440193326Sed char *End; 1441193326Sed Major = (unsigned) strtol(Str, &End, 10); 1442193326Sed if (*Str != '\0' && *End == '\0') 1443193326Sed return true; 1444193326Sed if (*End != '.') 1445193326Sed return false; 1446198092Srdivacky 1447193326Sed Str = End+1; 1448193326Sed Minor = (unsigned) strtol(Str, &End, 10); 1449193326Sed if (*Str != '\0' && *End == '\0') 1450193326Sed return true; 1451193326Sed if (*End != '.') 1452193326Sed return false; 1453193326Sed 1454193326Sed Str = End+1; 1455193326Sed Micro = (unsigned) strtol(Str, &End, 10); 1456193326Sed if (*Str != '\0' && *End == '\0') 1457193326Sed return true; 1458193326Sed if (Str == End) 1459193326Sed return false; 1460193326Sed HadExtra = true; 1461193326Sed return true; 1462193326Sed} 1463