14#include "clang/Config/config.h"
19#include "llvm/Option/ArgList.h"
20#include "llvm/Support/VirtualFileSystem.h"
32 const char *LinkingOutput)
const {
39 ArgStringList CmdArgs;
44 case llvm::Triple::x86:
45 CmdArgs.push_back(
"--32");
47 case llvm::Triple::arm:
48 case llvm::Triple::armeb:
49 case llvm::Triple::thumb:
50 case llvm::Triple::thumbeb: {
51 StringRef MArch, MCPU;
54 CmdArgs.push_back(Args.MakeArgString(
"-mcpu=" + Arch));
58 case llvm::Triple::mips:
59 case llvm::Triple::mipsel:
60 case llvm::Triple::mips64:
61 case llvm::Triple::mips64el: {
66 CmdArgs.push_back(
"-march");
67 CmdArgs.push_back(CPUName.data());
69 CmdArgs.push_back(
"-mabi");
72 if (Triple.isLittleEndian())
73 CmdArgs.push_back(
"-EL");
75 CmdArgs.push_back(
"-EB");
81 case llvm::Triple::sparc:
82 case llvm::Triple::sparcel: {
83 CmdArgs.push_back(
"-32");
90 case llvm::Triple::sparcv9: {
91 CmdArgs.push_back(
"-64");
102 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
104 CmdArgs.push_back(
"-o");
107 for (
const auto &II : Inputs)
108 CmdArgs.push_back(II.getFilename());
111 C.addCommand(std::make_unique<Command>(JA, *
this,
113 Exec, CmdArgs, Inputs, Output));
120 const char *LinkingOutput)
const {
126 ArgStringList CmdArgs;
129 CmdArgs.push_back(Args.MakeArgString(
"--sysroot=" + D.
SysRoot));
131 CmdArgs.push_back(
"--eh-frame-hdr");
132 if (Args.hasArg(options::OPT_static)) {
133 CmdArgs.push_back(
"-Bstatic");
134 if (Args.hasArg(options::OPT_pie)) {
135 Args.AddAllArgs(CmdArgs, options::OPT_pie);
136 CmdArgs.push_back(
"--no-dynamic-linker");
139 if (Args.hasArg(options::OPT_rdynamic))
140 CmdArgs.push_back(
"-export-dynamic");
141 if (Args.hasArg(options::OPT_shared)) {
142 CmdArgs.push_back(
"-Bshareable");
143 }
else if (!Args.hasArg(options::OPT_r)) {
144 Args.AddAllArgs(CmdArgs, options::OPT_pie);
145 CmdArgs.push_back(
"-dynamic-linker");
146 CmdArgs.push_back(
"/libexec/ld.elf_so");
153 case llvm::Triple::x86:
154 CmdArgs.push_back(
"-m");
155 CmdArgs.push_back(
"elf_i386");
157 case llvm::Triple::arm:
158 case llvm::Triple::thumb:
159 CmdArgs.push_back(
"-m");
160 switch (Triple.getEnvironment()) {
161 case llvm::Triple::EABI:
162 case llvm::Triple::GNUEABI:
163 CmdArgs.push_back(
"armelf_nbsd_eabi");
165 case llvm::Triple::EABIHF:
166 case llvm::Triple::GNUEABIHF:
167 CmdArgs.push_back(
"armelf_nbsd_eabihf");
170 CmdArgs.push_back(
"armelf_nbsd");
174 case llvm::Triple::armeb:
175 case llvm::Triple::thumbeb:
177 CmdArgs.push_back(
"-m");
178 switch (Triple.getEnvironment()) {
179 case llvm::Triple::EABI:
180 case llvm::Triple::GNUEABI:
181 CmdArgs.push_back(
"armelfb_nbsd_eabi");
183 case llvm::Triple::EABIHF:
184 case llvm::Triple::GNUEABIHF:
185 CmdArgs.push_back(
"armelfb_nbsd_eabihf");
188 CmdArgs.push_back(
"armelfb_nbsd");
192 case llvm::Triple::mips64:
193 case llvm::Triple::mips64el:
195 CmdArgs.push_back(
"-m");
197 CmdArgs.push_back(
"elf32btsmip");
199 CmdArgs.push_back(
"elf32ltsmip");
201 CmdArgs.push_back(
"-m");
203 CmdArgs.push_back(
"elf64btsmip");
205 CmdArgs.push_back(
"elf64ltsmip");
208 case llvm::Triple::ppc:
209 CmdArgs.push_back(
"-m");
210 CmdArgs.push_back(
"elf32ppc_nbsd");
213 case llvm::Triple::ppc64:
214 case llvm::Triple::ppc64le:
215 CmdArgs.push_back(
"-m");
216 CmdArgs.push_back(
"elf64ppc");
219 case llvm::Triple::sparc:
220 CmdArgs.push_back(
"-m");
221 CmdArgs.push_back(
"elf32_sparc");
224 case llvm::Triple::sparcv9:
225 CmdArgs.push_back(
"-m");
226 CmdArgs.push_back(
"elf64_sparc");
234 CmdArgs.push_back(
"-o");
237 assert(Output.
isNothing() &&
"Invalid output.");
240 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
242 if (!Args.hasArg(options::OPT_shared)) {
248 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie)) {
257 Args.AddAllArgs(CmdArgs, options::OPT_L);
258 Args.AddAllArgs(CmdArgs, options::OPT_T_Group);
259 Args.AddAllArgs(CmdArgs, options::OPT_e);
260 Args.AddAllArgs(CmdArgs, options::OPT_s);
261 Args.AddAllArgs(CmdArgs, options::OPT_t);
262 Args.AddAllArgs(CmdArgs, options::OPT_Z_Flag);
263 Args.AddAllArgs(CmdArgs, options::OPT_r);
271 CmdArgs.push_back(
"-rpath");
275 bool useLibgcc =
true;
277 case llvm::Triple::aarch64:
278 case llvm::Triple::aarch64_be:
279 case llvm::Triple::arm:
280 case llvm::Triple::armeb:
281 case llvm::Triple::thumb:
282 case llvm::Triple::thumbeb:
283 case llvm::Triple::ppc:
284 case llvm::Triple::ppc64:
285 case llvm::Triple::ppc64le:
286 case llvm::Triple::sparc:
287 case llvm::Triple::sparcv9:
288 case llvm::Triple::x86:
289 case llvm::Triple::x86_64:
296 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
299 bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) &&
300 !Args.hasArg(options::OPT_static);
306 CmdArgs.push_back(
"-lm");
308 if (NeedsSanitizerDeps)
312 if (Args.hasArg(options::OPT_pthread))
313 CmdArgs.push_back(
"-lpthread");
314 CmdArgs.push_back(
"-lc");
317 if (Args.hasArg(options::OPT_static)) {
321 CmdArgs.push_back(
"-lgcc_eh");
322 CmdArgs.push_back(
"-lc");
323 CmdArgs.push_back(
"-lgcc");
325 CmdArgs.push_back(
"-lgcc");
326 CmdArgs.push_back(
"--as-needed");
327 CmdArgs.push_back(
"-lgcc_s");
328 CmdArgs.push_back(
"--no-as-needed");
333 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
335 if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
347 C.addCommand(std::make_unique<Command>(JA, *
this,
349 Exec, CmdArgs, Inputs, Output));
356 if (!Args.hasArg(options::OPT_nostdlib)) {
362 switch (Triple.getArch()) {
363 case llvm::Triple::x86:
366 case llvm::Triple::arm:
367 case llvm::Triple::armeb:
368 case llvm::Triple::thumb:
369 case llvm::Triple::thumbeb:
370 switch (Triple.getEnvironment()) {
371 case llvm::Triple::EABI:
372 case llvm::Triple::GNUEABI:
375 case llvm::Triple::EABIHF:
376 case llvm::Triple::GNUEABIHF:
384 case llvm::Triple::mips64:
385 case llvm::Triple::mips64el:
391 case llvm::Triple::ppc:
394 case llvm::Triple::sparc:
413 case llvm::Triple::aarch64:
414 case llvm::Triple::aarch64_be:
415 case llvm::Triple::arm:
416 case llvm::Triple::armeb:
417 case llvm::Triple::thumb:
418 case llvm::Triple::thumbeb:
419 case llvm::Triple::ppc:
420 case llvm::Triple::ppc64:
421 case llvm::Triple::ppc64le:
422 case llvm::Triple::sparc:
423 case llvm::Triple::sparcv9:
424 case llvm::Triple::x86:
425 case llvm::Triple::x86_64:
434 const llvm::opt::ArgList &DriverArgs,
435 llvm::opt::ArgStringList &CC1Args)
const {
438 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
441 if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
443 llvm::sys::path::append(Dir,
"include");
447 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
451 StringRef CIncludeDirs(C_INCLUDE_DIRS);
452 if (CIncludeDirs !=
"") {
454 CIncludeDirs.split(dirs,
":");
455 for (StringRef dir : dirs) {
457 llvm::sys::path::is_absolute(dir) ? StringRef(D.
SysRoot) :
"";
468 llvm::opt::ArgStringList &CC1Args)
const {
469 const std::string Candidates[] = {
478 for (
const auto &IncludePath : Candidates) {
479 if (!
getVFS().exists(IncludePath +
"/__config"))
489 llvm::opt::ArgStringList &CC1Args)
const {
491 DriverArgs, CC1Args);
496 llvm::Triple::ArchType TArch =
getTriple().getArch();
497 if (TArch == llvm::Triple::arm || TArch == llvm::Triple::armeb ||
498 TArch == llvm::Triple::thumb || TArch == llvm::Triple::thumbeb)
499 return llvm::ExceptionHandling::DwarfCFI;
500 return llvm::ExceptionHandling::None;
504 const bool IsX86 =
getTriple().getArch() == llvm::Triple::x86;
505 const bool IsX86_64 =
getTriple().getArch() == llvm::Triple::x86_64;
507 if (IsX86 || IsX86_64) {
508 Res |= SanitizerKind::Address;
509 Res |= SanitizerKind::PointerCompare;
510 Res |= SanitizerKind::PointerSubtract;
511 Res |= SanitizerKind::Function;
512 Res |= SanitizerKind::Leak;
513 Res |= SanitizerKind::SafeStack;
514 Res |= SanitizerKind::Scudo;
515 Res |= SanitizerKind::Vptr;
518 Res |= SanitizerKind::DataFlow;
519 Res |= SanitizerKind::Fuzzer;
520 Res |= SanitizerKind::FuzzerNoLink;
521 Res |= SanitizerKind::HWAddress;
522 Res |= SanitizerKind::KernelAddress;
523 Res |= SanitizerKind::KernelHWAddress;
524 Res |= SanitizerKind::KernelMemory;
525 Res |= SanitizerKind::Memory;
526 Res |= SanitizerKind::Thread;
532 ArgStringList &CC1Args,
536 CC1Args.push_back(
"-D_REENTRANT");
538 VersionTuple OsVersion =
getTriple().getOSVersion();
539 bool UseInitArrayDefault =
540 OsVersion >= VersionTuple(9) || OsVersion.getMajor() == 0 ||
541 getTriple().getArch() == llvm::Triple::aarch64 ||
542 getTriple().getArch() == llvm::Triple::aarch64_be ||
543 getTriple().getArch() == llvm::Triple::arm ||
544 getTriple().getArch() == llvm::Triple::armeb;
546 if (!DriverArgs.hasFlag(options::OPT_fuse_init_array,
547 options::OPT_fno_use_init_array, UseInitArrayDefault))
548 CC1Args.push_back(
"-fno-use-init-array");
Compilation - A set of tasks to perform for a single driver invocation.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
std::string SysRoot
sysroot, if present
std::string ResourceDir
The path to the compiler resource directory.
std::string Dir
The path the driver executable was in, as invoked from the command line.
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
bool hasAnySanitizer() const
bool needsSharedRt() const
@ C
Languages that the frontend can parse and compile.
static constexpr ResponseFileSupport AtFileCurCP()