clang 8.0.0

Solaris.cpp
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1 //===--- Solaris.cpp - Solaris ToolChain Implementations --------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "Solaris.h"
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"
20
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;
26
27 void solaris::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
28 const InputInfo &Output,
29 const InputInfoList &Inputs,
30 const ArgList &Args,
31 const char *LinkingOutput) const {
32 claimNoWarnArgs(Args);
33 ArgStringList CmdArgs;
34
35 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
36
37 CmdArgs.push_back("-o");
38 CmdArgs.push_back(Output.getFilename());
39
40 for (const auto &II : Inputs)
41 CmdArgs.push_back(II.getFilename());
42
43 const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
44 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
45 }
46
47 void solaris::Linker::ConstructJob(Compilation &C, const JobAction &JA,
48 const InputInfo &Output,
49 const InputInfoList &Inputs,
50 const ArgList &Args,
51 const char *LinkingOutput) const {
52 ArgStringList CmdArgs;
53
54 // Demangle C++ names in errors
55 CmdArgs.push_back("-C");
56
57 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_shared)) {
58 CmdArgs.push_back("-e");
59 CmdArgs.push_back("_start");
60 }
61
62 if (Args.hasArg(options::OPT_static)) {
63 CmdArgs.push_back("-Bstatic");
64 CmdArgs.push_back("-dn");
65 } else {
66 CmdArgs.push_back("-Bdynamic");
67 if (Args.hasArg(options::OPT_shared)) {
68 CmdArgs.push_back("-shared");
69 } else {
70 CmdArgs.push_back("--dynamic-linker");
71 CmdArgs.push_back(
72 Args.MakeArgString(getToolChain().GetFilePath("ld.so.1")));
73 }
74
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);
79 }
80
81 if (Output.isFilename()) {
82 CmdArgs.push_back("-o");
83 CmdArgs.push_back(Output.getFilename());
84 } else {
85 assert(Output.isNothing() && "Invalid output.");
86 }
87
88 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
89 if (!Args.hasArg(options::OPT_shared))
90 CmdArgs.push_back(
91 Args.MakeArgString(getToolChain().GetFilePath("crt1.o")));
92
93 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crti.o")));
94 CmdArgs.push_back(
95 Args.MakeArgString(getToolChain().GetFilePath("values-Xa.o")));
96 CmdArgs.push_back(
97 Args.MakeArgString(getToolChain().GetFilePath("crtbegin.o")));
98 }
99
100 // Provide __start___sancov_guards. Solaris ld doesn't automatically create
101 // __start_SECNAME labels.
102 CmdArgs.push_back("--whole-archive");
103 CmdArgs.push_back(
104 getToolChain().getCompilerRTArgString(Args, "sancov_begin", false));
105 CmdArgs.push_back("--no-whole-archive");
106
107 getToolChain().AddFilePathLibArgs(Args, CmdArgs);
108
109 Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
110 options::OPT_e, options::OPT_r});
111
112 bool NeedsSanitizerDeps = addSanitizerRuntimes(getToolChain(), Args, CmdArgs);
113 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
114
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");
124 }
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");
130 }
131 if (NeedsSanitizerDeps)
132 linkSanitizerRuntimeDeps(getToolChain(), CmdArgs);
133 }
134
135 // Provide __stop___sancov_guards. Solaris ld doesn't automatically create
136 // __stop_SECNAME labels.
137 CmdArgs.push_back("--whole-archive");
138 CmdArgs.push_back(
139 getToolChain().getCompilerRTArgString(Args, "sancov_end", false));
140 CmdArgs.push_back("--no-whole-archive");
141
142 if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
143 CmdArgs.push_back(
144 Args.MakeArgString(getToolChain().GetFilePath("crtend.o")));
145 }
146 CmdArgs.push_back(Args.MakeArgString(getToolChain().GetFilePath("crtn.o")));
147
148 getToolChain().addProfileRTLibs(Args, CmdArgs);
149
150 const char *Exec = Args.MakeArgString(getToolChain().GetLinkerPath());
151 C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
152 }
153
154 static StringRef getSolarisLibSuffix(const llvm::Triple &Triple) {
155 switch (Triple.getArch()) {
156 case llvm::Triple::x86:
157 case llvm::Triple::sparc:
158 break;
159 case llvm::Triple::x86_64:
160 return "/amd64";
161 case llvm::Triple::sparcv9:
162 return "/sparcv9";
163 default:
164 llvm_unreachable("Unsupported architecture");
165 }
166 return "";
167 }
168
169 /// Solaris - Solaris tool chain which can call as(1) and ld(1) directly.
170
171 Solaris::Solaris(const Driver &D, const llvm::Triple &Triple,
172 const ArgList &Args)
173 : Generic_ELF(D, Triple, Args) {
174
175 GCCInstallation.init(Triple, Args);
176
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).
182 addPathIfExists(D,
183 GCCInstallation.getInstallPath() +
184 GCCInstallation.getMultilib().gccSuffix(),
185 Paths);
186 addPathIfExists(D, GCCInstallation.getParentLibPath() + LibSuffix, Paths);
187 }
188
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);
193
194 addPathIfExists(D, D.SysRoot + "/usr/lib" + LibSuffix, Paths);
195 }
196
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.
201 if (IsX86) {
202 Res |= SanitizerKind::Address;
203 }
204 Res |= SanitizerKind::Vptr;
205 return Res;
206 }
207
208 Tool *Solaris::buildAssembler() const {
209 return new tools::solaris::Assembler(*this);
210 }
211
212 Tool *Solaris::buildLinker() const { return new tools::solaris::Linker(*this); }
213
214 void Solaris::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
215 ArgStringList &CC1Args) const {
216 const Driver &D = getDriver();
217
218 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
219 return;
220
221 if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
222 addSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/local/include");
223
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);
228 }
229
230 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
231 return;
232
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) {
239 StringRef Prefix =
240 llvm::sys::path::is_absolute(dir) ? StringRef(D.SysRoot) : "";
241 addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
242 }
243 return;
244 }
245
246 // Add include directories specific to the selected multilib set and multilib.
247 if (GCCInstallation.isValid()) {
248 const MultilibSet::IncludeDirsFunc &Callback =
249 Multilibs.includeDirsCallback();
250 if (Callback) {
251 for (const auto &Path : Callback(GCCInstallation.getMultilib()))
252 addExternCSystemIncludeIfExists(
253 DriverArgs, CC1Args, GCCInstallation.getInstallPath() + Path);
254 }
255 }
256
257 addExternCSystemInclude(DriverArgs, CC1Args, D.SysRoot + "/usr/include");
258 }
259
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())
266 return;
267
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();
275
276 // The primary search for libstdc++ supports multiarch variants.
277 addLibStdCXXIncludePaths(LibDir.str() + "/../include", "/c++/" + Version.Text,
278 TripleStr,
279 /*GCCMultiarchTriple*/ "",
280 /*TargetMultiarchTriple*/ "",
281 Multilib.includeSuffix(), DriverArgs, CC1Args);
282 }
clang::driver::ToolChain::addExternCSystemInclude
static void addExternCSystemInclude(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Utility function to add a system include directory with extern "C" semantics to CC1 arguments...
Definition: ToolChain.cpp:717
clang::driver::toolchains::Solaris::getSupportedSanitizers
SanitizerMask getSupportedSanitizers() const override
Return sanitizers which are available in this toolchain.
Definition: Solaris.cpp:197
clang::driver::ToolChain::addExternCSystemIncludeIfExists
static void addExternCSystemIncludeIfExists(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Definition: ToolChain.cpp:724
clang::driver::toolchains::Solaris::buildLinker
Tool * buildLinker() const override
Definition: Solaris.cpp:212
clang::driver::MultilibSet::includeDirsCallback
const IncludeDirsFunc & includeDirsCallback() const
Definition: Multilib.h:175
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::getTriple
const llvm::Triple & getTriple() const
Get the GCC triple for the detected install.
Definition: Gnu.h:220
P
StringRef P
Definition: ASTMatchersInternal.cpp:439
clang::driver::toolchains::Solaris::buildAssembler
Tool * buildAssembler() const override
Definition: Solaris.cpp:208
clang::driver::toolchains::Solaris::addLibStdCxxIncludePaths
void addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Definition: Solaris.cpp:260
clang::driver::tools::solaris::Linker::ConstructJob
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
Definition: Solaris.cpp:47
clang::driver::toolchains::Generic_GCC::GCCVersion
Struct to store and manipulate GCC versions.
Definition: Gnu.h:157
getSolarisLibSuffix
static StringRef getSolarisLibSuffix(const llvm::Triple &Triple)
Definition: Solaris.cpp:154
clang::driver::InputInfo::getFilename
const char * getFilename() const
Definition: InputInfo.h:84
clang::driver::toolchains::Generic_GCC::GCCInstallation
GCCInstallationDetector GCCInstallation
Definition: Gnu.h:280
Solaris.h
CommonArgs.h
clang::driver::tools::linkSanitizerRuntimeDeps
void linkSanitizerRuntimeDeps(const ToolChain &TC, llvm::opt::ArgStringList &CmdArgs)
clang::driver::JobAction
Definition: Action.h:374
clang::driver::Multilib::includeSuffix
const std::string & includeSuffix() const
Get the include directory suffix.
Definition: Multilib.h:67
clang::driver::Driver::Dir
std::string Dir
The path the driver executable was in, as invoked from the command line.
Definition: Driver.h:120
clang::driver::Multilib::gccSuffix
const std::string & gccSuffix() const
Get the detected GCC installation path suffix for the multi-arch target variant.
Definition: Multilib.h:45
clang::driver::tools::addSanitizerRuntimes
bool addSanitizerRuntimes(const ToolChain &TC, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs)
clang::driver::tools
Definition: AMDGPU.h:21
clang::driver::InputInfo
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
clang::driver::ToolChain::getFilePaths
path_list & getFilePaths()
Definition: ToolChain.h:224
clang::driver::Driver
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:58
clang::driver::tools::solaris::Assembler
Definition: Solaris.h:23
llvm::SmallString
Definition: LLVM.h:35
Driver.h
Compilation.h
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::getVersion
const GCCVersion & getVersion() const
Get the detected GCC version string.
Definition: Gnu.h:239
clang::driver::toolchains::Generic_ELF
Definition: Gnu.h:340
llvm::opt
Definition: Action.h:24
clang::driver::toolchains::Solaris::AddClangSystemIncludeArgs
void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Add the clang cc1 arguments for system include paths.
Definition: Solaris.cpp:214
clang::driver::Compilation::addCommand
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:206
clang::driver::Multilib
This corresponds to a single GCC Multilib, or a segment of one controlled by a command line flag...
Definition: Multilib.h:29
clang::driver::tools::solaris::Linker
Definition: Solaris.h:36
clang::driver::ToolChain::getDriver
const Driver & getDriver() const
Definition: ToolChain.h:186
llvm::SmallVector
Definition: LLVM.h:36
clang::driver::ToolChain::addSystemInclude
static void addSystemInclude(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args, const Twine &Path)
Utility function to add a system include directory to CC1 arguments.
Definition: ToolChain.cpp:702
Options.h
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::getParentLibPath
StringRef getParentLibPath() const
Get the detected GCC parent lib path.
Definition: Gnu.h:226
clang
Dataflow Directional Tag Classes.
Definition: CFGReachabilityAnalysis.h:22
clang::driver::tools::AddLinkerInputs
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
clang::driver::Driver::SysRoot
std::string SysRoot
sysroot, if present
Definition: Driver.h:148
clang::driver::ToolChain::Multilibs
MultilibSet Multilibs
Definition: ToolChain.h:152
clang::driver::Tool
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
clang::driver::tools::claimNoWarnArgs
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
clang::driver::MultilibSet::IncludeDirsFunc
std::function< std::vector< std::string >(const Multilib &M)> IncludeDirsFunc
Definition: Multilib.h:116
clang::SanitizerMask
uint64_t SanitizerMask
Definition: Sanitizers.h:26
clang::driver::toolchains::Generic_GCC::GCCVersion::Text
std::string Text
The unparsed text of the version.
Definition: Gnu.h:159
clang::driver::Compilation
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:46
clang::driver::ToolChain::getTriple
const llvm::Triple & getTriple() const
Definition: ToolChain.h:188
clang::driver
Definition: Action.h:32
clang::driver::ToolChain::getSupportedSanitizers
virtual SanitizerMask getSupportedSanitizers() const
Return sanitizers which are available in this toolchain.
Definition: ToolChain.cpp:818
DriverDiagnostic.h
clang::driver::toolchains
Definition: AMDGPU.h:41
clang::driver::InputInfo::isNothing
bool isNothing() const
Definition: InputInfo.h:75
clang::driver::tools::solaris::Assembler::ConstructJob
void ConstructJob(Compilation &C, const JobAction &JA, const InputInfo &Output, const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, const char *LinkingOutput) const override
ConstructJob - Construct jobs to perform the action JA, writing to Output and with Inputs...
Definition: Solaris.cpp:27
clang::driver::tools::addPathIfExists
void addPathIfExists(const Driver &D, const Twine &Path, ToolChain::path_list &Paths)
Definition: CommonArgs.cpp:62
clang::driver::InputInfo::isFilename
bool isFilename() const
Definition: InputInfo.h:76
clang::driver::toolchains::Generic_GCC::addLibStdCXXIncludePaths
bool addLibStdCXXIncludePaths(Twine Base, Twine Suffix, StringRef GCCTriple, StringRef GCCMultiarchTriple, StringRef TargetMultiarchTriple, Twine IncludeSuffix, const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
Helper to add the variant paths of a libstdc++ installation.
Definition: Gnu.cpp:2556
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::init
void init(const llvm::Triple &TargetTriple, const llvm::opt::ArgList &Args, ArrayRef< std::string > ExtraTripleAliases=None)
Initialize a GCCInstallationDetector from the driver.
Definition: Gnu.cpp:1702
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::getInstallPath
StringRef getInstallPath() const
Get the detected GCC installation path.
Definition: Gnu.h:223
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::getMultilib
const Multilib & getMultilib() const
Get the detected Multilib.
Definition: Gnu.h:229
clang::driver::Driver::ResourceDir
std::string ResourceDir
The path to the compiler resource directory.
Definition: Driver.h:132
clang::driver::toolchains::Generic_GCC::GCCInstallationDetector::isValid
bool isValid() const
Check whether we detected a valid GCC install.
Definition: Gnu.h:217