1 //===--- Myriad.cpp - Myriad 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.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
10 #include "CommonArgs.h"
11 #include "clang/Driver/Compilation.h"
12 #include "clang/Driver/Driver.h"
13 #include "clang/Driver/DriverDiagnostic.h"
14 #include "clang/Driver/Options.h"
15 #include "llvm/Option/ArgList.h"
17 using namespace clang::driver;
18 using namespace clang::driver::toolchains;
19 using namespace clang;
20 using namespace llvm::opt;
22 using tools::addPathIfExists;
24 void tools::SHAVE::Compiler::ConstructJob(Compilation &C, const JobAction &JA,
25 const InputInfo &Output,
26 const InputInfoList &Inputs,
28 const char *LinkingOutput) const {
29 ArgStringList CmdArgs;
30 assert(Inputs.size() == 1);
31 const InputInfo &II = Inputs[0];
32 assert(II.getType() == types::TY_C || II.getType() == types::TY_CXX ||
33 II.getType() == types::TY_PP_CXX);
35 if (JA.getKind() == Action::PreprocessJobClass) {
37 CmdArgs.push_back("-E");
39 assert(Output.getType() == types::TY_PP_Asm); // Require preprocessed asm.
40 CmdArgs.push_back("-S");
41 CmdArgs.push_back("-fno-exceptions"); // Always do this even if unspecified.
43 CmdArgs.push_back("-DMYRIAD2");
45 // Append all -I, -iquote, -isystem paths, defines/undefines, 'f'
46 // flags, 'g' flags, 'M' flags, optimize flags, warning options,
47 // mcpu flags, mllvm flags, and Xclang flags.
48 // These are spelled the same way in clang and moviCompile.
49 Args.AddAllArgsExcept(
51 {options::OPT_I_Group, options::OPT_clang_i_Group, options::OPT_std_EQ,
52 options::OPT_D, options::OPT_U, options::OPT_f_Group,
53 options::OPT_f_clang_Group, options::OPT_g_Group, options::OPT_M_Group,
54 options::OPT_O_Group, options::OPT_W_Group, options::OPT_mcpu_EQ,
55 options::OPT_mllvm, options::OPT_Xclang},
56 {options::OPT_fno_split_dwarf_inlining});
57 Args.hasArg(options::OPT_fno_split_dwarf_inlining); // Claim it if present.
59 // If we're producing a dependency file, and assembly is the final action,
60 // then the name of the target in the dependency file should be the '.o'
61 // file, not the '.s' file produced by this step. For example, instead of
62 // /tmp/mumble.s: mumble.c .../someheader.h
63 // the filename on the lefthand side should be "mumble.o"
64 if (Args.getLastArg(options::OPT_MF) && !Args.getLastArg(options::OPT_MT) &&
65 C.getActions().size() == 1 &&
66 C.getActions()[0]->getKind() == Action::AssembleJobClass) {
67 Arg *A = Args.getLastArg(options::OPT_o);
69 CmdArgs.push_back("-MT");
70 CmdArgs.push_back(Args.MakeArgString(A->getValue()));
74 CmdArgs.push_back(II.getFilename());
75 CmdArgs.push_back("-o");
76 CmdArgs.push_back(Output.getFilename());
79 Args.MakeArgString(getToolChain().GetProgramPath("moviCompile"));
80 C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Exec),
84 void tools::SHAVE::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
85 const InputInfo &Output,
86 const InputInfoList &Inputs,
88 const char *LinkingOutput) const {
89 ArgStringList CmdArgs;
91 assert(Inputs.size() == 1);
92 const InputInfo &II = Inputs[0];
93 assert(II.getType() == types::TY_PP_Asm); // Require preprocessed asm input.
94 assert(Output.getType() == types::TY_Object);
96 CmdArgs.push_back("-no6thSlotCompression");
97 const Arg *CPUArg = Args.getLastArg(options::OPT_mcpu_EQ);
100 Args.MakeArgString("-cv:" + StringRef(CPUArg->getValue())));
101 CmdArgs.push_back("-noSPrefixing");
102 CmdArgs.push_back("-a"); // Mystery option.
103 Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
104 for (const Arg *A : Args.filtered(options::OPT_I, options::OPT_isystem)) {
107 Args.MakeArgString(std::string("-i:") + A->getValue(0)));
109 CmdArgs.push_back(II.getFilename());
111 Args.MakeArgString(std::string("-o:") + Output.getFilename()));
114 Args.MakeArgString(getToolChain().GetProgramPath("moviAsm"));
115 C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Exec),
119 void tools::Myriad::Linker::ConstructJob(Compilation &C, const JobAction &JA,
120 const InputInfo &Output,
121 const InputInfoList &Inputs,
123 const char *LinkingOutput) const {
125 static_cast<const toolchains::MyriadToolChain &>(getToolChain());
126 const llvm::Triple &T = TC.getTriple();
127 ArgStringList CmdArgs;
129 !Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles);
130 bool UseDefaultLibs =
131 !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs);
132 // Silence warning if the args contain both -nostdlib and -stdlib=.
133 Args.getLastArg(options::OPT_stdlib_EQ);
135 if (T.getArch() == llvm::Triple::sparc)
136 CmdArgs.push_back("-EB");
137 else // SHAVE assumes little-endian, and sparcel is expressly so.
138 CmdArgs.push_back("-EL");
140 // The remaining logic is mostly like gnutools::Linker::ConstructJob,
141 // but we never pass through a --sysroot option and various other bits.
142 // For example, there are no sanitizers (yet) nor gold linker.
144 // Eat some arguments that may be present but have no effect.
145 Args.ClaimAllArgs(options::OPT_g_Group);
146 Args.ClaimAllArgs(options::OPT_w);
147 Args.ClaimAllArgs(options::OPT_static_libgcc);
149 if (Args.hasArg(options::OPT_s)) // Pass the 'strip' option.
150 CmdArgs.push_back("-s");
152 CmdArgs.push_back("-o");
153 CmdArgs.push_back(Output.getFilename());
156 // If you want startfiles, it means you want the builtin crti and crtbegin,
157 // but not crt0. Myriad link commands provide their own crt0.o as needed.
158 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crti.o")));
159 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
162 Args.AddAllArgs(CmdArgs, {options::OPT_L, options::OPT_T_Group,
163 options::OPT_e, options::OPT_s, options::OPT_t,
164 options::OPT_Z_Flag, options::OPT_r});
166 TC.AddFilePathLibArgs(Args, CmdArgs);
168 bool NeedsSanitizerDeps = addSanitizerRuntimes(TC, Args, CmdArgs);
169 AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
171 if (UseDefaultLibs) {
172 if (NeedsSanitizerDeps)
173 linkSanitizerRuntimeDeps(TC, CmdArgs);
174 if (C.getDriver().CCCIsCXX()) {
175 if (TC.GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) {
176 CmdArgs.push_back("-lc++");
177 CmdArgs.push_back("-lc++abi");
179 CmdArgs.push_back("-lstdc++");
181 if (T.getOS() == llvm::Triple::RTEMS) {
182 CmdArgs.push_back("--start-group");
183 CmdArgs.push_back("-lc");
184 CmdArgs.push_back("-lgcc"); // circularly dependent on rtems
185 // You must provide your own "-L" option to enable finding these.
186 CmdArgs.push_back("-lrtemscpu");
187 CmdArgs.push_back("-lrtemsbsp");
188 CmdArgs.push_back("--end-group");
190 CmdArgs.push_back("-lc");
191 CmdArgs.push_back("-lgcc");
195 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
196 CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtn.o")));
200 Args.MakeArgString(TC.GetProgramPath("sparc-myriad-rtems-ld"));
201 C.addCommand(llvm::make_unique<Command>(JA, *this, Args.MakeArgString(Exec),
205 MyriadToolChain::MyriadToolChain(const Driver &D, const llvm::Triple &Triple,
207 : Generic_ELF(D, Triple, Args) {
208 // If a target of 'sparc-myriad-elf' is specified to clang, it wants to use
209 // 'sparc-myriad--elf' (note the unknown OS) as the canonical triple.
210 // This won't work to find gcc. Instead we give the installation detector an
211 // extra triple, which is preferable to further hacks of the logic that at
212 // present is based solely on getArch(). In particular, it would be wrong to
213 // choose the myriad installation when targeting a non-myriad sparc install.
214 switch (Triple.getArch()) {
216 D.Diag(clang::diag::err_target_unsupported_arch)
217 << Triple.getArchName() << "myriad";
219 case llvm::Triple::shave:
221 case llvm::Triple::sparc:
222 case llvm::Triple::sparcel:
223 GCCInstallation.init(Triple, Args, {"sparc-myriad-rtems"});
226 if (GCCInstallation.isValid()) {
227 // This directory contains crt{i,n,begin,end}.o as well as libgcc.
228 // These files are tied to a particular version of gcc.
229 SmallString<128> CompilerSupportDir(GCCInstallation.getInstallPath());
230 addPathIfExists(D, CompilerSupportDir, getFilePaths());
232 // libstd++ and libc++ must both be found in this one place.
233 addPathIfExists(D, D.Dir + "/../sparc-myriad-rtems/lib", getFilePaths());
236 MyriadToolChain::~MyriadToolChain() {}
238 void MyriadToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
239 ArgStringList &CC1Args) const {
240 if (!DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
241 addSystemInclude(DriverArgs, CC1Args, getDriver().SysRoot + "/include");
244 void MyriadToolChain::addLibCxxIncludePaths(
245 const llvm::opt::ArgList &DriverArgs,
246 llvm::opt::ArgStringList &CC1Args) const {
247 std::string Path(getDriver().getInstalledDir());
248 addSystemInclude(DriverArgs, CC1Args, Path + "/../include/c++/v1");
251 void MyriadToolChain::addLibStdCxxIncludePaths(
252 const llvm::opt::ArgList &DriverArgs,
253 llvm::opt::ArgStringList &CC1Args) const {
254 StringRef LibDir = GCCInstallation.getParentLibPath();
255 const GCCVersion &Version = GCCInstallation.getVersion();
256 StringRef TripleStr = GCCInstallation.getTriple().str();
257 const Multilib &Multilib = GCCInstallation.getMultilib();
258 addLibStdCXXIncludePaths(
259 LibDir.str() + "/../" + TripleStr.str() + "/include/c++/" + Version.Text,
260 "", TripleStr, "", "", Multilib.includeSuffix(), DriverArgs, CC1Args);
263 // MyriadToolChain handles several triples:
264 // {shave,sparc{,el}}-myriad-{rtems,unknown}-elf
265 Tool *MyriadToolChain::SelectTool(const JobAction &JA) const {
266 // The inherited method works fine if not targeting the SHAVE.
267 if (!isShaveCompilation(getTriple()))
268 return ToolChain::SelectTool(JA);
269 switch (JA.getKind()) {
270 case Action::PreprocessJobClass:
271 case Action::CompileJobClass:
273 Compiler.reset(new tools::SHAVE::Compiler(*this));
274 return Compiler.get();
275 case Action::AssembleJobClass:
277 Assembler.reset(new tools::SHAVE::Assembler(*this));
278 return Assembler.get();
280 return ToolChain::getTool(JA.getKind());
284 Tool *MyriadToolChain::buildLinker() const {
285 return new tools::Myriad::Linker(*this);
288 SanitizerMask MyriadToolChain::getSupportedSanitizers() const {
289 return SanitizerKind::Address;