Lines Matching +full:ld +full:. +full:so
1 //===--- Linux.h - Linux ToolChain Implementations --------------*- C++ -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
9 #include "Linux.h"
10 #include "Arch/ARM.h"
11 #include "Arch/Mips.h"
12 #include "Arch/PPC.h"
13 #include "Arch/RISCV.h"
14 #include "CommonArgs.h"
15 #include "clang/Config/config.h"
16 #include "clang/Driver/Distro.h"
17 #include "clang/Driver/Driver.h"
18 #include "clang/Driver/Options.h"
19 #include "clang/Driver/SanitizerArgs.h"
20 #include "llvm/Option/ArgList.h"
21 #include "llvm/ProfileData/InstrProf.h"
22 #include "llvm/Support/Path.h"
23 #include "llvm/Support/ScopedPrinter.h"
24 #include "llvm/Support/VirtualFileSystem.h"
34 /// Get our best guess at the multiarch triple for a target.
37 /// a target-triple directory in the library and header search paths.
39 /// so we provide a rough mapping here.
44 TargetTriple.getEnvironment(); in getMultiarchTriple()
45 bool IsAndroid = TargetTriple.isAndroid(); in getMultiarchTriple()
46 bool IsMipsR6 = TargetTriple.getSubArch() == llvm::Triple::MipsSubArch_r6; in getMultiarchTriple()
47 bool IsMipsN32Abi = TargetTriple.getEnvironment() == llvm::Triple::GNUABIN32; in getMultiarchTriple()
50 // clever. in getMultiarchTriple()
51 switch (TargetTriple.getArch()) { in getMultiarchTriple()
57 // 32-bit and 64-bit targets. Multiarch fixes its install triples to these in getMultiarchTriple()
58 // regardless of what the actual target triple is. in getMultiarchTriple()
100 if (D.getVFS().exists(SysRoot + "/lib/" + MT)) in getMultiarchTriple()
102 if (D.getVFS().exists(SysRoot + "/lib/mips64-linux-gnu")) in getMultiarchTriple()
111 if (D.getVFS().exists(SysRoot + "/lib/" + MT)) in getMultiarchTriple()
113 if (D.getVFS().exists(SysRoot + "/lib/mips64el-linux-gnu")) in getMultiarchTriple()
118 if (D.getVFS().exists(SysRoot + "/lib/powerpc-linux-gnuspe")) in getMultiarchTriple()
134 return TargetTriple.str(); in getMultiarchTriple()
138 if (Triple.isMIPS()) { in getOSLibDir()
139 if (Triple.isAndroid()) { in getOSLibDir()
148 // lib32 directory has a special meaning on MIPS targets. in getOSLibDir()
149 // It contains N32 ABI binaries. Use this folder if produce in getOSLibDir()
150 // code for N32 ABI only. in getOSLibDir()
153 return Triple.isArch32Bit() ? "lib" : "lib64"; in getOSLibDir()
159 // can't cope with a 'lib32' library search path being considered. So we only in getOSLibDir()
160 // enable them when we know we may need it. in getOSLibDir()
162 // FIXME: This is a bit of a hack. We should really unify this code for in getOSLibDir()
164 // GCCInstallationDetector, but that is a more significant refactoring. in getOSLibDir()
165 if (Triple.getArch() == llvm::Triple::x86 || Triple.isPPC32() || in getOSLibDir()
166 Triple.getArch() == llvm::Triple::sparc) in getOSLibDir()
169 if (Triple.getArch() == llvm::Triple::x86_64 && in getOSLibDir()
170 Triple.getEnvironment() == llvm::Triple::GNUX32) in getOSLibDir()
173 if (Triple.getArch() == llvm::Triple::riscv32) in getOSLibDir()
176 return Triple.isArch32Bit() ? "lib" : "lib64"; in getOSLibDir()
181 GCCInstallation.init(Triple, Args); in Linux()
182 Multilibs = GCCInstallation.getMultilibs(); in Linux()
183 SelectedMultilib = GCCInstallation.getMultilib(); in Linux()
184 llvm::Triple::ArchType Arch = Triple.getArch(); in Linux()
190 Distro Distro(D.getVFS(), Triple); in Linux()
192 if (Distro.IsAlpineLinux() || Triple.isAndroid()) { in Linux()
193 ExtraOpts.push_back("-z"); in Linux()
194 ExtraOpts.push_back("now"); in Linux()
197 if (Distro.IsOpenSUSE() || Distro.IsUbuntu() || Distro.IsAlpineLinux() || in Linux()
198 Triple.isAndroid()) { in Linux()
199 ExtraOpts.push_back("-z"); in Linux()
200 ExtraOpts.push_back("relro"); in Linux()
203 // Android ARM/AArch64 use max-page-size=4096 to reduce VMA usage. Note, lld in Linux()
204 // from 11 onwards default max-page-size to 65536 for both ARM and AArch64. in Linux()
205 if ((Triple.isARM() || Triple.isAArch64()) && Triple.isAndroid()) { in Linux()
206 ExtraOpts.push_back("-z"); in Linux()
207 ExtraOpts.push_back("max-page-size=4096"); in Linux()
210 if (GCCInstallation.getParentLibPath().find("opt/rh/devtoolset") != in Linux()
214 // we want to use other tools from devtoolset (e.g. ld) instead of the in Linux()
215 // standard system tools. in Linux()
216 PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + in Linux()
217 "/../bin").str()); in Linux()
220 ExtraOpts.push_back("-X"); in Linux()
222 const bool IsAndroid = Triple.isAndroid(); in Linux()
223 const bool IsMips = Triple.isMIPS(); in Linux()
225 const bool IsRISCV = Triple.isRISCV(); in Linux()
227 if (IsMips && !SysRoot.empty()) in Linux()
228 ExtraOpts.push_back("--sysroot=" + SysRoot); in Linux()
230 // Do not use 'gnu' hash style for Mips targets because .gnu.hash in Linux()
231 // and the MIPS ABI require .dynsym to be sorted in different ways. in Linux()
232 // .gnu.hash needs symbols to be grouped by hash code whereas the MIPS in Linux()
233 // ABI requires a mapping between the GOT and the symbol table. in Linux()
234 // Android loader does not support .gnu.hash until API 23. in Linux()
235 // Hexagon linker/loader does not support .gnu.hash in Linux()
237 if (Distro.IsRedhat() || Distro.IsOpenSUSE() || Distro.IsAlpineLinux() || in Linux()
238 (Distro.IsUbuntu() && Distro >= Distro::UbuntuMaverick) || in Linux()
239 (IsAndroid && !Triple.isAndroidVersionLT(23))) in Linux()
240 ExtraOpts.push_back("--hash-style=gnu"); in Linux()
242 if (Distro.IsDebian() || Distro.IsOpenSUSE() || in Linux()
245 (IsAndroid && Triple.isAndroidVersionLT(23))) in Linux()
246 ExtraOpts.push_back("--hash-style=both"); in Linux()
250 ExtraOpts.push_back("--build-id"); in Linux()
253 if (IsAndroid || Distro.IsOpenSUSE()) in Linux()
254 ExtraOpts.push_back("--enable-new-dtags"); in Linux()
257 // the GCC driver itself uses, as this is part of the GCC-compatible driver. in Linux()
260 // to the link paths. in Linux()
269 addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths); in Linux()
274 // directory. in Linux()
278 Triple.getEnvironmentVersion(Major, Minor, Micro); in Linux()
286 // 64-bit OpenEmbedded sysroots may not have a /usr/lib dir. So they cannot in Linux()
287 // find /usr/lib64 as it is referenced as /usr/lib/../lib64. So we handle in Linux()
288 // this here. in Linux()
289 if (Triple.getVendor() == llvm::Triple::OpenEmbedded && in Linux()
290 Triple.isArch64Bit()) in Linux()
293 addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths); in Linux()
304 // searched. in Linux()
306 // directory ('Dir' below) or the ResourceDir. in Linux()
307 if (StringRef(D.Dir).startswith(SysRoot)) in Linux()
308 addPathIfExists(D, D.Dir + "/../lib", Paths); in Linux()
315 if (getTriple().isAndroid()) in GetDefaultRuntimeLibType()
321 if (getTriple().isAndroid()) in GetDefaultCXXStdlibType()
339 if (!getDriver().SysRoot.empty()) in computeSysRoot()
340 return getDriver().SysRoot; in computeSysRoot()
342 if (getTriple().isAndroid()) { in computeSysRoot()
343 // Android toolchains typically include a sysroot at ../sysroot relative to in computeSysRoot()
344 // the clang binary. in computeSysRoot()
345 const StringRef ClangDir = getDriver().getInstalledDir(); in computeSysRoot()
346 std::string AndroidSysRootPath = (ClangDir + "/../sysroot").str(); in computeSysRoot()
347 if (getVFS().exists(AndroidSysRootPath)) in computeSysRoot()
351 if (!GCCInstallation.isValid() || !getTriple().isMIPS()) in computeSysRoot()
355 // and put it into different places. Here we try to check some known in computeSysRoot()
356 // variants. in computeSysRoot()
358 const StringRef InstallDir = GCCInstallation.getInstallPath(); in computeSysRoot()
359 const StringRef TripleStr = GCCInstallation.getTriple().str(); in computeSysRoot()
360 const Multilib &Multilib = GCCInstallation.getMultilib(); in computeSysRoot()
363 (InstallDir + "/../../../../" + TripleStr + "/libc" + Multilib.osSuffix()) in computeSysRoot()
364 .str(); in computeSysRoot()
366 if (getVFS().exists(Path)) in computeSysRoot()
369 Path = (InstallDir + "/../../../../sysroot" + Multilib.osSuffix()).str(); in computeSysRoot()
371 if (getVFS().exists(Path)) in computeSysRoot()
381 const Distro Distro(getDriver().getVFS(), Triple); in getDynamicLinker()
383 if (Triple.isAndroid()) in getDynamicLinker()
384 return Triple.isArch64Bit() ? "/system/bin/linker64" : "/system/bin/linker"; in getDynamicLinker()
386 if (Triple.isMusl()) { in getDynamicLinker()
405 ArchName = Triple.getEnvironment() == llvm::Triple::MuslX32 in getDynamicLinker()
407 : Triple.getArchName().str(); in getDynamicLinker()
410 ArchName = Triple.getArchName().str(); in getDynamicLinker()
413 (Triple.getEnvironment() == llvm::Triple::MuslEABIHF || in getDynamicLinker()
417 return "/lib/ld-musl-" + ArchName + ".so.1"; in getDynamicLinker()
429 Loader = "ld-linux-aarch64.so.1"; in getDynamicLinker()
433 Loader = "ld-linux-aarch64_be.so.1"; in getDynamicLinker()
440 Triple.getEnvironment() == llvm::Triple::GNUEABIHF || in getDynamicLinker()
444 Loader = HF ? "ld-linux-armhf.so.3" : "ld-linux.so.3"; in getDynamicLinker()
449 Loader = "ld.so.1"; in getDynamicLinker()
460 Loader = IsNaN2008 ? "ld-uClibc-mipsn8.so.0" : "ld-uClibc.so.0"; in getDynamicLinker()
461 else if (!Triple.hasEnvironment() && in getDynamicLinker()
462 Triple.getVendor() == llvm::Triple::VendorType::MipsTechnologies) in getDynamicLinker()
464 Triple.isLittleEndian() ? "ld-musl-mipsel.so.1" : "ld-musl-mips.so.1"; in getDynamicLinker()
466 Loader = IsNaN2008 ? "ld-linux-mipsn8.so.1" : "ld.so.1"; in getDynamicLinker()
472 Loader = "ld.so.1"; in getDynamicLinker()
476 Loader = "ld.so.1"; in getDynamicLinker()
481 (tools::ppc::hasPPCAbiArg(Args, "elfv2")) ? "ld64.so.2" : "ld64.so.1"; in getDynamicLinker()
486 (tools::ppc::hasPPCAbiArg(Args, "elfv1")) ? "ld64.so.1" : "ld64.so.2"; in getDynamicLinker()
491 Loader = ("ld-linux-riscv32-" + ABIName + ".so.1").str(); in getDynamicLinker()
497 Loader = ("ld-linux-riscv64-" + ABIName + ".so.1").str(); in getDynamicLinker()
503 Loader = "ld-linux.so.2"; in getDynamicLinker()
507 Loader = "ld-linux.so.2"; in getDynamicLinker()
511 Loader = "ld64.so.1"; in getDynamicLinker()
515 Loader = "ld-linux.so.2"; in getDynamicLinker()
518 bool X32 = Triple.getEnvironment() == llvm::Triple::GNUX32; in getDynamicLinker()
521 Loader = X32 ? "ld-linux-x32.so.2" : "ld-linux-x86-64.so.2"; in getDynamicLinker()
525 return "/opt/nec/ve/lib/ld-linux-ve.so.1"; in getDynamicLinker()
529 (Triple.getVendor() == llvm::Triple::UnknownVendor || in getDynamicLinker()
530 Triple.getVendor() == llvm::Triple::PC)) in getDynamicLinker()
531 return "/usr/" + Triple.str() + "/lib/" + Loader; in getDynamicLinker()
540 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc)) in AddClangSystemIncludeArgs()
544 // GCC_INCLUDE_DIR (private headers) in GCC. Note: the include directory in AddClangSystemIncludeArgs()
545 // contains some files conflicting with system /usr/include. musl systems in AddClangSystemIncludeArgs()
546 // prefer the /usr/include copies which are more relevant. in AddClangSystemIncludeArgs()
547 SmallString<128> ResourceDirInclude(D.ResourceDir); in AddClangSystemIncludeArgs()
549 if (!DriverArgs.hasArg(options::OPT_nobuiltininc) && in AddClangSystemIncludeArgs()
550 (!getTriple().isMusl() || DriverArgs.hasArg(options::OPT_nostdlibinc))) in AddClangSystemIncludeArgs()
553 if (DriverArgs.hasArg(options::OPT_nostdlibinc)) in AddClangSystemIncludeArgs()
561 // Check for configure-time C include directories. in AddClangSystemIncludeArgs()
565 CIncludeDirs.split(dirs, ":"); in AddClangSystemIncludeArgs()
575 // /usr/include. in AddClangSystemIncludeArgs()
577 if (!MultiarchIncludeDir.empty() && in AddClangSystemIncludeArgs()
578 D.getVFS().exists(SysRoot + "/usr/include/" + MultiarchIncludeDir)) in AddClangSystemIncludeArgs()
582 if (getTriple().getOS() == llvm::Triple::RTEMS) in AddClangSystemIncludeArgs()
585 // Add an include of '/include' directly. This isn't provided by default by in AddClangSystemIncludeArgs()
587 // add even when Clang is acting as-if it were a system compiler. in AddClangSystemIncludeArgs()
592 if (!DriverArgs.hasArg(options::OPT_nobuiltininc) && getTriple().isMusl()) in AddClangSystemIncludeArgs()
599 // headers in odd Linuxish places. in addLibStdCxxIncludePaths()
600 if (!GCCInstallation.isValid()) in addLibStdCxxIncludePaths()
603 // Detect Debian g++-multiarch-incdir.diff. in addLibStdCxxIncludePaths()
604 StringRef TripleStr = GCCInstallation.getTriple().str(); in addLibStdCxxIncludePaths()
606 GCCInstallation.getTriple().getArch() == llvm::Triple::x86 in addLibStdCxxIncludePaths()
610 // Try generic GCC detection first. in addLibStdCxxIncludePaths()
615 StringRef LibDir = GCCInstallation.getParentLibPath(); in addLibStdCxxIncludePaths()
616 const Multilib &Multilib = GCCInstallation.getMultilib(); in addLibStdCxxIncludePaths()
617 const GCCVersion &Version = GCCInstallation.getVersion(); in addLibStdCxxIncludePaths()
620 // Android standalone toolchain has C++ headers in yet another place. in addLibStdCxxIncludePaths()
621 LibDir.str() + "/../" + TripleStr.str() + "/include/c++/" + Version.Text, in addLibStdCxxIncludePaths()
623 // without a subdirectory corresponding to the gcc version. in addLibStdCxxIncludePaths()
624 LibDir.str() + "/../include/c++", in addLibStdCxxIncludePaths()
626 // version suffix. in addLibStdCxxIncludePaths()
627 LibDir.str() + "/../include/g++", in addLibStdCxxIncludePaths()
632 Multilib.includeSuffix(), DriverArgs, CC1Args)) in addLibStdCxxIncludePaths()
639 CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args); in AddCudaIncludeArgs()
644 RocmInstallation.AddHIPIncludeArgs(DriverArgs, CC1Args); in AddHIPIncludeArgs()
649 if (GCCInstallation.isValid()) { in AddIAMCUIncludeArgs()
650 CC1Args.push_back("-isystem"); in AddIAMCUIncludeArgs()
651 CC1Args.push_back(DriverArgs.MakeArgString( in AddIAMCUIncludeArgs()
652 GCCInstallation.getParentLibPath() + "/../" + in AddIAMCUIncludeArgs()
653 GCCInstallation.getTriple().str() + "/include")); in AddIAMCUIncludeArgs()
658 return (getTriple().isAndroid() && !getTriple().isAndroidVersionLT(16)) || in isPIEDefault()
659 getTriple().isMusl() || getSanitizerArgs().requiresPIE(); in isPIEDefault()
664 // and libgcc since 9.3.1 in IsAArch64OutlineAtomicsDefault()
665 assert(getTriple().isAArch64() && "expected AArch64 target!"); in IsAArch64OutlineAtomicsDefault()
670 if (GCCInstallation.getVersion().isOlderThan(9, 3, 1)) in IsAArch64OutlineAtomicsDefault()
676 return getTriple().isAndroid(); in isNoExecStackDefault()
680 if (getTriple().isAndroid()) in IsMathErrnoDefault()
686 const bool IsX86 = getTriple().getArch() == llvm::Triple::x86; in getSupportedSanitizers()
687 const bool IsX86_64 = getTriple().getArch() == llvm::Triple::x86_64; in getSupportedSanitizers()
688 const bool IsMIPS = getTriple().isMIPS32(); in getSupportedSanitizers()
689 const bool IsMIPS64 = getTriple().isMIPS64(); in getSupportedSanitizers()
690 const bool IsPowerPC64 = getTriple().getArch() == llvm::Triple::ppc64 || in getSupportedSanitizers()
691 getTriple().getArch() == llvm::Triple::ppc64le; in getSupportedSanitizers()
692 const bool IsAArch64 = getTriple().getArch() == llvm::Triple::aarch64 || in getSupportedSanitizers()
693 getTriple().getArch() == llvm::Triple::aarch64_be; in getSupportedSanitizers()
694 const bool IsArmArch = getTriple().getArch() == llvm::Triple::arm || in getSupportedSanitizers()
695 getTriple().getArch() == llvm::Triple::thumb || in getSupportedSanitizers()
696 getTriple().getArch() == llvm::Triple::armeb || in getSupportedSanitizers()
697 getTriple().getArch() == llvm::Triple::thumbeb; in getSupportedSanitizers()
698 const bool IsRISCV64 = getTriple().getArch() == llvm::Triple::riscv64; in getSupportedSanitizers()
699 const bool IsSystemZ = getTriple().getArch() == llvm::Triple::systemz; in getSupportedSanitizers()
734 // initialization module to be linked in. in addProfileRTLibs()
736 CmdArgs.push_back(Args.MakeArgString( in addProfileRTLibs()
745 switch (getTriple().getArch()) { in getDefaultDenormalModeForType()
749 // DAZ and FTZ are turned on in crtfastmath.o in getDefaultDenormalModeForType()
750 if (!DriverArgs.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles) && in getDefaultDenormalModeForType()
762 CmdArgs.push_back(Opt.c_str()); in addExtraOpts()