1 //===--- Solaris.cpp - Solaris ToolChain Implementations --------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #include "CommonArgs.h"
12 #include "clang/Config/config.h"
13 #include "clang/Driver/Compilation.h"
14 #include "clang/Driver/Driver.h"
15 #include "clang/Driver/DriverDiagnostic.h"
16 #include "clang/Driver/Options.h"
17 #include "llvm/Option/ArgList.h"
18 #include "llvm/Support/FileSystem.h"
19 #include "llvm/Support/Path.h"
21 using namespace clang::driver;
22 using namespace clang::driver::tools;
23 using namespace clang::driver::toolchains;
24 using namespace clang;
25 using namespace llvm::opt;
27 void solaris::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
28 const InputInfo &Output,
29 const InputInfoList &Inputs,
31 const char *LinkingOutput) const {
32 claimNoWarnArgs(Args);
33 ArgStringList CmdArgs;
35 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
37 CmdArgs.push_back("-o");
38 CmdArgs.push_back(Output.getFilename());
40 for (const auto &II : Inputs)
41 CmdArgs.push_back(II.getFilename());
43 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
44 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
47 void solaris::Linker::ConstructJob(Compilation &C, const JobAction &JA,
48 const InputInfo &Output,
49 const InputInfoList &Inputs,
51 const char *LinkingOutput) const {
52 ArgStringList CmdArgs;
54 // Demangle C++ names in errors
55 CmdArgs.push_back("-C");
57 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_shared)) {
58 CmdArgs.push_back("-e");
59 CmdArgs.push_back("_start");
62 if (Args.hasArg(options::OPT_static)) {
63 CmdArgs.push_back("-Bstatic");
64 CmdArgs.push_back("-dn");
66 CmdArgs.push_back("-Bdynamic");
67 if (Args.hasArg(options::OPT_shared)) {
68 CmdArgs.push_back("-shared");
70 CmdArgs.push_back("--dynamic-linker");
72 Args.MakeArgString(getToolChain().GetFilePath("ld.so.1")));
75 // libpthread has been folded into libc since Solaris 10, no need to do
76 // anything for pthreads. Claim argument to avoid warning.
77 Args.ClaimAllArgs(options::OPT_pthread);
78 Args.ClaimAllArgs(options::OPT_pthreads);
81 if (Output.isFilename()) {
82 CmdArgs.push_back("-o");
83 CmdArgs.push_back(Output.getFilename());
85 assert(Output.isNothing() && "Invalid output.");
88 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
89 if (!Args.hasArg(options::OPT_shared))
91 Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
93 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
95 Args.MakeArgString(getToolChain().GetFilePath("values-Xa.o")));
97 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
100 // Provide __start___sancov_guards. Solaris ld doesn't automatically create
101 // __start_SECNAME labels.
102 CmdArgs.push_back("--whole-archive");
104 getToolChain().getCompilerRTArgString(Args, "sancov_begin", false));
105 CmdArgs.push_back("--no-whole-archive");
107 getToolChain().AddFilePathLibArgs(Args, CmdArgs);
109 Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
110 options::OPT_e, options::OPT_r});
112 bool NeedsSanitizerDeps = addSanitizerRuntimes(getToolChain(), Args, CmdArgs);
113 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
115 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
116 if (getToolChain().ShouldLinkCXXStdlib(Args))
117 getToolChain().AddCXXStdlibLibArgs(Args, CmdArgs);
118 if (Args.hasArg(options::OPT_fstack_protector) ||
119 Args.hasArg(options::OPT_fstack_protector_strong) ||
120 Args.hasArg(options::OPT_fstack_protector_all)) {
121 // Explicitly link ssp libraries, not folded into Solaris libc.
122 CmdArgs.push_back("-lssp_nonshared");
123 CmdArgs.push_back("-lssp");
125 CmdArgs.push_back("-lgcc_s");
126 CmdArgs.push_back("-lc");
127 if (!Args.hasArg(options::OPT_shared)) {
128 CmdArgs.push_back("-lgcc");
129 CmdArgs.push_back("-lm");
131 if (NeedsSanitizerDeps)
132 linkSanitizerRuntimeDeps(getToolChain(), CmdArgs);
135 // Provide __stop___sancov_guards. Solaris ld doesn't automatically create
136 // __stop_SECNAME labels.
137 CmdArgs.push_back("--whole-archive");
139 getToolChain().getCompilerRTArgString(Args, "sancov_end", false));
140 CmdArgs.push_back("--no-whole-archive");
142 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
144 Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
146 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
148 getToolChain().addProfileRTLibs(Args, CmdArgs);
150 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
151 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
154 static StringRef getSolarisLibSuffix(const llvm::Triple &Triple) {
155 switch (Triple.getArch()) {
156 case llvm::Triple::x86:
157 case llvm::Triple::sparc:
159 case llvm::Triple::x86_64:
161 case llvm::Triple::sparcv9:
164 llvm_unreachable("Unsupported architecture");
169 /// Solaris - Solaris tool chain which can call as(1) and ld(1) directly.
171 Solaris::Solaris(const Driver &D, const llvm::Triple &Triple,
173 : Generic_ELF(D, Triple, Args) {
175 GCCInstallation.init(Triple, Args);
177 StringRef LibSuffix = getSolarisLibSuffix(Triple);
178 path_list &Paths = getFilePaths();
179 if (GCCInstallation.isValid()) {
180 // On Solaris gcc uses both an architecture-specific path with triple in it
181 // as well as a more generic lib path (+arch suffix).
183 GCCInstallation.getInstallPath() +
184 GCCInstallation.getMultilib().gccSuffix(),
186 addPathIfExists(D, GCCInstallation.getParentLibPath() + LibSuffix, Paths);
189 // If we are currently running Clang inside of the requested system root,
190 // add its parent library path to those searched.
191 if (StringRef(D.Dir).startswith(D.SysRoot))
192 addPathIfExists(D, D.Dir + "/../lib", Paths);
194 addPathIfExists(D, D.SysRoot + "/usr/lib" + LibSuffix, Paths);
197 SanitizerMask Solaris::getSupportedSanitizers() const {
198 const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
199 SanitizerMask Res = ToolChain::getSupportedSanitizers();
200 // FIXME: Omit X86_64 until 64-bit support is figured out.
202 Res |= SanitizerKind::Address;
204 Res |= SanitizerKind::Vptr;
208 Tool *Solaris::buildAssembler() const {
209 return new tools::solaris::Assembler(*this);
212 Tool *Solaris::buildLinker() const { return new tools::solaris::Linker(*this); }
214 void Solaris::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
215 ArgStringList &CC1Args) const {
216 const Driver &D = getDriver();
218 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
221 if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
222 addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
224 if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
225 SmallString<128> P(D.ResourceDir);
226 llvm::sys::path::append(P, "include");
227 addSystemInclude(DriverArgs, CC1Args, P);
230 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
233 // Check for configure-time C include directories.
234 StringRef CIncludeDirs(C_INCLUDE_DIRS);
235 if (CIncludeDirs != "") {
236 SmallVector<StringRef, 5> dirs;
237 CIncludeDirs.split(dirs, ":");
238 for (StringRef dir : dirs) {
240 llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
241 addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
246 // Add include directories specific to the selected multilib set and multilib.
247 if (GCCInstallation.isValid()) {
248 const MultilibSet::IncludeDirsFunc &Callback =
249 Multilibs.includeDirsCallback();
251 for (const auto &Path : Callback(GCCInstallation.getMultilib()))
252 addExternCSystemIncludeIfExists(
253 DriverArgs, CC1Args, GCCInstallation.getInstallPath() + Path);
257 addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
260 void Solaris::addLibStdCxxIncludePaths(
261 const llvm::opt::ArgList &DriverArgs,
262 llvm::opt::ArgStringList &CC1Args) const {
263 // We need a detected GCC installation on Solaris (similar to Linux)
264 // to provide libstdc++'s headers.
265 if (!GCCInstallation.isValid())
268 // By default, look for the C++ headers in an include directory adjacent to
269 // the lib directory of the GCC installation.
270 // On Solaris this usually looks like /usr/gcc/X.Y/include/c++/X.Y.Z
271 StringRef LibDir = GCCInstallation.getParentLibPath();
272 StringRef TripleStr = GCCInstallation.getTriple().str();
273 const Multilib &Multilib = GCCInstallation.getMultilib();
274 const GCCVersion &Version = GCCInstallation.getVersion();
276 // The primary search for libstdc++ supports multiarch variants.
277 addLibStdCXXIncludePaths(LibDir.str() + "/../include", "/c++/" + Version.Text,
279 /*GCCMultiarchTriple*/ "",
280 /*TargetMultiarchTriple*/ "",
281 Multilib.includeSuffix(), DriverArgs, CC1Args);