/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Driver/ToolChains/Gnu.cpp
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1 | | //===--- Gnu.cpp - Gnu Tool and ToolChain Implementations -------*- C++ -*-===// |
2 | | // |
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 |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #include "Gnu.h" |
10 | | #include "Arch/ARM.h" |
11 | | #include "Arch/Mips.h" |
12 | | #include "Arch/PPC.h" |
13 | | #include "Arch/RISCV.h" |
14 | | #include "Arch/Sparc.h" |
15 | | #include "Arch/SystemZ.h" |
16 | | #include "CommonArgs.h" |
17 | | #include "Linux.h" |
18 | | #include "clang/Config/config.h" // for GCC_INSTALL_PREFIX |
19 | | #include "clang/Driver/Compilation.h" |
20 | | #include "clang/Driver/Driver.h" |
21 | | #include "clang/Driver/DriverDiagnostic.h" |
22 | | #include "clang/Driver/Options.h" |
23 | | #include "clang/Driver/Tool.h" |
24 | | #include "clang/Driver/ToolChain.h" |
25 | | #include "llvm/Option/ArgList.h" |
26 | | #include "llvm/Support/CodeGen.h" |
27 | | #include "llvm/Support/Path.h" |
28 | | #include "llvm/Support/TargetParser.h" |
29 | | #include "llvm/Support/VirtualFileSystem.h" |
30 | | #include <system_error> |
31 | | |
32 | | using namespace clang::driver; |
33 | | using namespace clang::driver::toolchains; |
34 | | using namespace clang; |
35 | | using namespace llvm::opt; |
36 | | |
37 | | using tools::addMultilibFlag; |
38 | | using tools::addPathIfExists; |
39 | | |
40 | 1.67k | static bool forwardToGCC(const Option &O) { |
41 | | // LinkerInput options have been forwarded. Don't duplicate. |
42 | 1.67k | if (O.hasFlag(options::LinkerInput)) |
43 | 2 | return false; |
44 | 1.67k | return O.matches(options::OPT_Link_Group) || O.hasFlag(options::LinkOption)1.66k ; |
45 | 1.67k | } |
46 | | |
47 | | // Switch CPU names not recognized by GNU assembler to a close CPU that it does |
48 | | // recognize, instead of a lower march from being picked in the absence of a cpu |
49 | | // flag. |
50 | | static void normalizeCPUNamesForAssembler(const ArgList &Args, |
51 | 44 | ArgStringList &CmdArgs) { |
52 | 44 | if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { |
53 | 27 | StringRef CPUArg(A->getValue()); |
54 | 27 | if (CPUArg.equals_lower("krait")) |
55 | 1 | CmdArgs.push_back("-mcpu=cortex-a15"); |
56 | 26 | else if(CPUArg.equals_lower("kryo")) |
57 | 2 | CmdArgs.push_back("-mcpu=cortex-a57"); |
58 | 24 | else |
59 | 24 | Args.AddLastArg(CmdArgs, options::OPT_mcpu_EQ); |
60 | 27 | } |
61 | 44 | } |
62 | | |
63 | | void tools::gcc::Common::ConstructJob(Compilation &C, const JobAction &JA, |
64 | | const InputInfo &Output, |
65 | | const InputInfoList &Inputs, |
66 | | const ArgList &Args, |
67 | 287 | const char *LinkingOutput) const { |
68 | 287 | const Driver &D = getToolChain().getDriver(); |
69 | 287 | ArgStringList CmdArgs; |
70 | | |
71 | 1.67k | for (const auto &A : Args) { |
72 | 1.67k | if (forwardToGCC(A->getOption())) { |
73 | | // It is unfortunate that we have to claim here, as this means |
74 | | // we will basically never report anything interesting for |
75 | | // platforms using a generic gcc, even if we are just using gcc |
76 | | // to get to the assembler. |
77 | 11 | A->claim(); |
78 | | |
79 | 11 | A->render(Args, CmdArgs); |
80 | 11 | } |
81 | 1.67k | } |
82 | | |
83 | 287 | RenderExtraToolArgs(JA, CmdArgs); |
84 | | |
85 | | // If using a driver driver, force the arch. |
86 | 287 | if (getToolChain().getTriple().isOSDarwin()) { |
87 | 0 | CmdArgs.push_back("-arch"); |
88 | 0 | CmdArgs.push_back( |
89 | 0 | Args.MakeArgString(getToolChain().getDefaultUniversalArchName())); |
90 | 0 | } |
91 | | |
92 | | // Try to force gcc to match the tool chain we want, if we recognize |
93 | | // the arch. |
94 | | // |
95 | | // FIXME: The triple class should directly provide the information we want |
96 | | // here. |
97 | 287 | switch (getToolChain().getArch()) { |
98 | 265 | default: |
99 | 265 | break; |
100 | 5 | case llvm::Triple::x86: |
101 | 6 | case llvm::Triple::ppc: |
102 | 6 | case llvm::Triple::ppcle: |
103 | 6 | CmdArgs.push_back("-m32"); |
104 | 6 | break; |
105 | 15 | case llvm::Triple::x86_64: |
106 | 15 | case llvm::Triple::ppc64: |
107 | 15 | case llvm::Triple::ppc64le: |
108 | 15 | CmdArgs.push_back("-m64"); |
109 | 15 | break; |
110 | 1 | case llvm::Triple::sparcel: |
111 | 1 | CmdArgs.push_back("-EL"); |
112 | 1 | break; |
113 | 287 | } |
114 | | |
115 | 287 | if (Output.isFilename()) { |
116 | 286 | CmdArgs.push_back("-o"); |
117 | 286 | CmdArgs.push_back(Output.getFilename()); |
118 | 1 | } else { |
119 | 1 | assert(Output.isNothing() && "Unexpected output"); |
120 | 1 | CmdArgs.push_back("-fsyntax-only"); |
121 | 1 | } |
122 | | |
123 | 287 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
124 | | |
125 | | // Only pass -x if gcc will understand it; otherwise hope gcc |
126 | | // understands the suffix correctly. The main use case this would go |
127 | | // wrong in is for linker inputs if they happened to have an odd |
128 | | // suffix; really the only way to get this to happen is a command |
129 | | // like '-x foobar a.c' which will treat a.c like a linker input. |
130 | | // |
131 | | // FIXME: For the linker case specifically, can we safely convert |
132 | | // inputs into '-Wl,' options? |
133 | 291 | for (const auto &II : Inputs) { |
134 | | // Don't try to pass LLVM or AST inputs to a generic gcc. |
135 | 291 | if (types::isLLVMIR(II.getType())) |
136 | 0 | D.Diag(clang::diag::err_drv_no_linker_llvm_support) |
137 | 0 | << getToolChain().getTripleString(); |
138 | 291 | else if (II.getType() == types::TY_AST) |
139 | 0 | D.Diag(diag::err_drv_no_ast_support) << getToolChain().getTripleString(); |
140 | 291 | else if (II.getType() == types::TY_ModuleFile) |
141 | 0 | D.Diag(diag::err_drv_no_module_support) |
142 | 0 | << getToolChain().getTripleString(); |
143 | | |
144 | 291 | if (types::canTypeBeUserSpecified(II.getType())) { |
145 | 4 | CmdArgs.push_back("-x"); |
146 | 4 | CmdArgs.push_back(types::getTypeName(II.getType())); |
147 | 4 | } |
148 | | |
149 | 291 | if (II.isFilename()) |
150 | 289 | CmdArgs.push_back(II.getFilename()); |
151 | 2 | else { |
152 | 2 | const Arg &A = II.getInputArg(); |
153 | | |
154 | | // Reverse translate some rewritten options. |
155 | 2 | if (A.getOption().matches(options::OPT_Z_reserved_lib_stdcxx)) { |
156 | 0 | CmdArgs.push_back("-lstdc++"); |
157 | 0 | continue; |
158 | 0 | } |
159 | | |
160 | | // Don't render as input, we need gcc to do the translations. |
161 | 2 | A.render(Args, CmdArgs); |
162 | 2 | } |
163 | 291 | } |
164 | | |
165 | 287 | const std::string &customGCCName = D.getCCCGenericGCCName(); |
166 | 287 | const char *GCCName; |
167 | 287 | if (!customGCCName.empty()) |
168 | 0 | GCCName = customGCCName.c_str(); |
169 | 287 | else if (D.CCCIsCXX()) { |
170 | 0 | GCCName = "g++"; |
171 | 0 | } else |
172 | 287 | GCCName = "gcc"; |
173 | | |
174 | 287 | const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath(GCCName)); |
175 | 287 | C.addCommand(std::make_unique<Command>(JA, *this, |
176 | 287 | ResponseFileSupport::AtFileCurCP(), |
177 | 287 | Exec, CmdArgs, Inputs, Output)); |
178 | 287 | } |
179 | | |
180 | | void tools::gcc::Preprocessor::RenderExtraToolArgs( |
181 | 0 | const JobAction &JA, ArgStringList &CmdArgs) const { |
182 | 0 | CmdArgs.push_back("-E"); |
183 | 0 | } |
184 | | |
185 | | void tools::gcc::Compiler::RenderExtraToolArgs(const JobAction &JA, |
186 | 4 | ArgStringList &CmdArgs) const { |
187 | 4 | const Driver &D = getToolChain().getDriver(); |
188 | | |
189 | 4 | switch (JA.getType()) { |
190 | | // If -flto, etc. are present then make sure not to force assembly output. |
191 | 0 | case types::TY_LLVM_IR: |
192 | 0 | case types::TY_LTO_IR: |
193 | 0 | case types::TY_LLVM_BC: |
194 | 0 | case types::TY_LTO_BC: |
195 | 0 | CmdArgs.push_back("-c"); |
196 | 0 | break; |
197 | | // We assume we've got an "integrated" assembler in that gcc will produce an |
198 | | // object file itself. |
199 | 2 | case types::TY_Object: |
200 | 2 | CmdArgs.push_back("-c"); |
201 | 2 | break; |
202 | 1 | case types::TY_PP_Asm: |
203 | 1 | CmdArgs.push_back("-S"); |
204 | 1 | break; |
205 | 1 | case types::TY_Nothing: |
206 | 1 | CmdArgs.push_back("-fsyntax-only"); |
207 | 1 | break; |
208 | 0 | default: |
209 | 0 | D.Diag(diag::err_drv_invalid_gcc_output_type) << getTypeName(JA.getType()); |
210 | 4 | } |
211 | 4 | } |
212 | | |
213 | | void tools::gcc::Linker::RenderExtraToolArgs(const JobAction &JA, |
214 | 283 | ArgStringList &CmdArgs) const { |
215 | | // The types are (hopefully) good enough. |
216 | 283 | } |
217 | | |
218 | | // On Arm the endianness of the output file is determined by the target and |
219 | | // can be overridden by the pseudo-target flags '-mlittle-endian'/'-EL' and |
220 | | // '-mbig-endian'/'-EB'. Unlike other targets the flag does not result in a |
221 | | // normalized triple so we must handle the flag here. |
222 | | static bool isArmBigEndian(const llvm::Triple &Triple, |
223 | 515 | const ArgList &Args) { |
224 | 515 | bool IsBigEndian = false; |
225 | 515 | switch (Triple.getArch()) { |
226 | 28 | case llvm::Triple::armeb: |
227 | 37 | case llvm::Triple::thumbeb: |
228 | 37 | IsBigEndian = true; |
229 | 37 | LLVM_FALLTHROUGH; |
230 | 419 | case llvm::Triple::arm: |
231 | 434 | case llvm::Triple::thumb: |
232 | 434 | if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian, |
233 | 13 | options::OPT_mbig_endian)) |
234 | 13 | IsBigEndian = !A->getOption().matches(options::OPT_mlittle_endian); |
235 | 434 | break; |
236 | 81 | default: |
237 | 81 | break; |
238 | 515 | } |
239 | 515 | return IsBigEndian; |
240 | 515 | } |
241 | | |
242 | 1.53k | static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) { |
243 | 1.53k | switch (T.getArch()) { |
244 | 261 | case llvm::Triple::x86: |
245 | 261 | if (T.isOSIAMCU()) |
246 | 8 | return "elf_iamcu"; |
247 | 253 | return "elf_i386"; |
248 | 77 | case llvm::Triple::aarch64: |
249 | 77 | return "aarch64linux"; |
250 | 4 | case llvm::Triple::aarch64_be: |
251 | 4 | return "aarch64linuxb"; |
252 | 181 | case llvm::Triple::arm: |
253 | 186 | case llvm::Triple::thumb: |
254 | 195 | case llvm::Triple::armeb: |
255 | 200 | case llvm::Triple::thumbeb: |
256 | 186 | return isArmBigEndian(T, Args) ? "armelfb_linux_eabi"14 : "armelf_linux_eabi"; |
257 | 19 | case llvm::Triple::ppc: |
258 | 19 | if (T.isOSLinux()) |
259 | 19 | return "elf32ppclinux"; |
260 | 0 | return "elf32ppc"; |
261 | 3 | case llvm::Triple::ppcle: |
262 | 3 | if (T.isOSLinux()) |
263 | 3 | return "elf32lppclinux"; |
264 | 0 | return "elf32lppc"; |
265 | 53 | case llvm::Triple::ppc64: |
266 | 53 | return "elf64ppc"; |
267 | 58 | case llvm::Triple::ppc64le: |
268 | 58 | return "elf64lppc"; |
269 | 4 | case llvm::Triple::riscv32: |
270 | 4 | return "elf32lriscv"; |
271 | 8 | case llvm::Triple::riscv64: |
272 | 8 | return "elf64lriscv"; |
273 | 2 | case llvm::Triple::sparc: |
274 | 3 | case llvm::Triple::sparcel: |
275 | 3 | return "elf32_sparc"; |
276 | 2 | case llvm::Triple::sparcv9: |
277 | 2 | return "elf64_sparc"; |
278 | 61 | case llvm::Triple::mips: |
279 | 61 | return "elf32btsmip"; |
280 | 76 | case llvm::Triple::mipsel: |
281 | 76 | return "elf32ltsmip"; |
282 | 48 | case llvm::Triple::mips64: |
283 | 48 | if (tools::mips::hasMipsAbiArg(Args, "n32") || |
284 | 32 | T.getEnvironment() == llvm::Triple::GNUABIN32) |
285 | 17 | return "elf32btsmipn32"; |
286 | 31 | return "elf64btsmip"; |
287 | 53 | case llvm::Triple::mips64el: |
288 | 53 | if (tools::mips::hasMipsAbiArg(Args, "n32") || |
289 | 36 | T.getEnvironment() == llvm::Triple::GNUABIN32) |
290 | 17 | return "elf32ltsmipn32"; |
291 | 36 | return "elf64ltsmip"; |
292 | 10 | case llvm::Triple::systemz: |
293 | 10 | return "elf64_s390"; |
294 | 590 | case llvm::Triple::x86_64: |
295 | 590 | if (T.getEnvironment() == llvm::Triple::GNUX32) |
296 | 8 | return "elf32_x86_64"; |
297 | 582 | return "elf_x86_64"; |
298 | 0 | case llvm::Triple::ve: |
299 | 0 | return "elf64ve"; |
300 | 2 | default: |
301 | 2 | return nullptr; |
302 | 1.53k | } |
303 | 1.53k | } |
304 | | |
305 | 1.53k | static bool getPIE(const ArgList &Args, const ToolChain &TC) { |
306 | 1.53k | if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_static)1.47k || |
307 | 1.43k | Args.hasArg(options::OPT_r) || Args.hasArg(options::OPT_static_pie)1.43k ) |
308 | 98 | return false; |
309 | | |
310 | 1.43k | Arg *A = Args.getLastArg(options::OPT_pie, options::OPT_no_pie, |
311 | 1.43k | options::OPT_nopie); |
312 | 1.43k | if (!A) |
313 | 1.37k | return TC.isPIEDefault(); |
314 | 55 | return A->getOption().matches(options::OPT_pie); |
315 | 55 | } |
316 | | |
317 | 1.53k | static bool getStaticPIE(const ArgList &Args, const ToolChain &TC) { |
318 | 1.53k | bool HasStaticPIE = Args.hasArg(options::OPT_static_pie); |
319 | | // -no-pie is an alias for -nopie. So, handling -nopie takes care of |
320 | | // -no-pie as well. |
321 | 1.53k | if (HasStaticPIE && Args.hasArg(options::OPT_nopie)4 ) { |
322 | 1 | const Driver &D = TC.getDriver(); |
323 | 1 | const llvm::opt::OptTable &Opts = D.getOpts(); |
324 | 1 | const char *StaticPIEName = Opts.getOptionName(options::OPT_static_pie); |
325 | 1 | const char *NoPIEName = Opts.getOptionName(options::OPT_nopie); |
326 | 1 | D.Diag(diag::err_drv_cannot_mix_options) << StaticPIEName << NoPIEName; |
327 | 1 | } |
328 | 1.53k | return HasStaticPIE; |
329 | 1.53k | } |
330 | | |
331 | 1.53k | static bool getStatic(const ArgList &Args) { |
332 | 1.53k | return Args.hasArg(options::OPT_static) && |
333 | 32 | !Args.hasArg(options::OPT_static_pie); |
334 | 1.53k | } |
335 | | |
336 | | void tools::gnutools::StaticLibTool::ConstructJob( |
337 | | Compilation &C, const JobAction &JA, const InputInfo &Output, |
338 | | const InputInfoList &Inputs, const ArgList &Args, |
339 | 4 | const char *LinkingOutput) const { |
340 | 4 | const Driver &D = getToolChain().getDriver(); |
341 | | |
342 | | // Silence warning for "clang -g foo.o -o foo" |
343 | 4 | Args.ClaimAllArgs(options::OPT_g_Group); |
344 | | // and "clang -emit-llvm foo.o -o foo" |
345 | 4 | Args.ClaimAllArgs(options::OPT_emit_llvm); |
346 | | // and for "clang -w foo.o -o foo". Other warning options are already |
347 | | // handled somewhere else. |
348 | 4 | Args.ClaimAllArgs(options::OPT_w); |
349 | | // Silence warnings when linking C code with a C++ '-stdlib' argument. |
350 | 4 | Args.ClaimAllArgs(options::OPT_stdlib_EQ); |
351 | | |
352 | | // ar tool command "llvm-ar <options> <output_file> <input_files>". |
353 | 4 | ArgStringList CmdArgs; |
354 | | // Create and insert file members with a deterministic index. |
355 | 4 | CmdArgs.push_back("rcsD"); |
356 | 4 | CmdArgs.push_back(Output.getFilename()); |
357 | | |
358 | 14 | for (const auto &II : Inputs) { |
359 | 14 | if (II.isFilename()) { |
360 | 11 | CmdArgs.push_back(II.getFilename()); |
361 | 11 | } |
362 | 14 | } |
363 | | |
364 | | // Delete old output archive file if it already exists before generating a new |
365 | | // archive file. |
366 | 4 | auto OutputFileName = Output.getFilename(); |
367 | 4 | if (Output.isFilename() && llvm::sys::fs::exists(OutputFileName)) { |
368 | 0 | if (std::error_code EC = llvm::sys::fs::remove(OutputFileName)) { |
369 | 0 | D.Diag(diag::err_drv_unable_to_remove_file) << EC.message(); |
370 | 0 | return; |
371 | 0 | } |
372 | 4 | } |
373 | | |
374 | 4 | const char *Exec = Args.MakeArgString(getToolChain().GetStaticLibToolPath()); |
375 | 4 | C.addCommand(std::make_unique<Command>(JA, *this, |
376 | 4 | ResponseFileSupport::AtFileCurCP(), |
377 | 4 | Exec, CmdArgs, Inputs, Output)); |
378 | 4 | } |
379 | | |
380 | | void tools::gnutools::Linker::ConstructJob(Compilation &C, const JobAction &JA, |
381 | | const InputInfo &Output, |
382 | | const InputInfoList &Inputs, |
383 | | const ArgList &Args, |
384 | 1.53k | const char *LinkingOutput) const { |
385 | | // FIXME: The Linker class constructor takes a ToolChain and not a |
386 | | // Generic_ELF, so the static_cast might return a reference to a invalid |
387 | | // instance (see PR45061). Ideally, the Linker constructor needs to take a |
388 | | // Generic_ELF instead. |
389 | 1.53k | const toolchains::Generic_ELF &ToolChain = |
390 | 1.53k | static_cast<const toolchains::Generic_ELF &>(getToolChain()); |
391 | 1.53k | const Driver &D = ToolChain.getDriver(); |
392 | | |
393 | 1.53k | const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); |
394 | | |
395 | 1.53k | const llvm::Triple::ArchType Arch = ToolChain.getArch(); |
396 | 1.53k | const bool isAndroid = ToolChain.getTriple().isAndroid(); |
397 | 1.53k | const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU(); |
398 | 1.53k | const bool IsVE = ToolChain.getTriple().isVE(); |
399 | 1.53k | const bool IsPIE = getPIE(Args, ToolChain); |
400 | 1.53k | const bool IsStaticPIE = getStaticPIE(Args, ToolChain); |
401 | 1.53k | const bool IsStatic = getStatic(Args); |
402 | 1.53k | const bool HasCRTBeginEndFiles = |
403 | 1.53k | ToolChain.getTriple().hasEnvironment() || |
404 | 319 | (ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies); |
405 | | |
406 | 1.53k | ArgStringList CmdArgs; |
407 | | |
408 | | // Silence warning for "clang -g foo.o -o foo" |
409 | 1.53k | Args.ClaimAllArgs(options::OPT_g_Group); |
410 | | // and "clang -emit-llvm foo.o -o foo" |
411 | 1.53k | Args.ClaimAllArgs(options::OPT_emit_llvm); |
412 | | // and for "clang -w foo.o -o foo". Other warning options are already |
413 | | // handled somewhere else. |
414 | 1.53k | Args.ClaimAllArgs(options::OPT_w); |
415 | | |
416 | 1.53k | if (!D.SysRoot.empty()) |
417 | 318 | CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot)); |
418 | | |
419 | 1.53k | if (IsPIE) |
420 | 185 | CmdArgs.push_back("-pie"); |
421 | | |
422 | 1.53k | if (IsStaticPIE) { |
423 | 4 | CmdArgs.push_back("-static"); |
424 | 4 | CmdArgs.push_back("-pie"); |
425 | 4 | CmdArgs.push_back("--no-dynamic-linker"); |
426 | 4 | CmdArgs.push_back("-z"); |
427 | 4 | CmdArgs.push_back("text"); |
428 | 4 | } |
429 | | |
430 | 1.53k | if (ToolChain.isNoExecStackDefault()) { |
431 | 163 | CmdArgs.push_back("-z"); |
432 | 163 | CmdArgs.push_back("noexecstack"); |
433 | 163 | } |
434 | | |
435 | 1.53k | if (Args.hasArg(options::OPT_rdynamic)) |
436 | 5 | CmdArgs.push_back("-export-dynamic"); |
437 | | |
438 | 1.53k | if (Args.hasArg(options::OPT_s)) |
439 | 0 | CmdArgs.push_back("-s"); |
440 | | |
441 | 1.53k | if (Triple.isARM() || Triple.isThumb()1.33k || Triple.isAArch64()1.33k ) { |
442 | 281 | bool IsBigEndian = isArmBigEndian(Triple, Args); |
443 | 281 | if (IsBigEndian) |
444 | 14 | arm::appendBE8LinkFlag(Args, CmdArgs, Triple); |
445 | 281 | IsBigEndian = IsBigEndian || Arch == llvm::Triple::aarch64_be267 ; |
446 | 263 | CmdArgs.push_back(IsBigEndian ? "-EB"18 : "-EL"); |
447 | 281 | } |
448 | | |
449 | | // Most Android ARM64 targets should enable the linker fix for erratum |
450 | | // 843419. Only non-Cortex-A53 devices are allowed to skip this flag. |
451 | 1.53k | if (Arch == llvm::Triple::aarch64 && isAndroid77 ) { |
452 | 42 | std::string CPU = getCPUName(Args, Triple); |
453 | 42 | if (CPU.empty() || CPU == "generic" || CPU == "cortex-a53"2 ) |
454 | 41 | CmdArgs.push_back("--fix-cortex-a53-843419"); |
455 | 42 | } |
456 | | |
457 | | // Android does not allow shared text relocations. Emit a warning if the |
458 | | // user's code contains any. |
459 | 1.53k | if (isAndroid) |
460 | 163 | CmdArgs.push_back("--warn-shared-textrel"); |
461 | | |
462 | 1.53k | ToolChain.addExtraOpts(CmdArgs); |
463 | | |
464 | 1.53k | CmdArgs.push_back("--eh-frame-hdr"); |
465 | | |
466 | 1.53k | if (const char *LDMOption = getLDMOption(ToolChain.getTriple(), Args)) { |
467 | 1.53k | CmdArgs.push_back("-m"); |
468 | 1.53k | CmdArgs.push_back(LDMOption); |
469 | 2 | } else { |
470 | 2 | D.Diag(diag::err_target_unknown_triple) << Triple.str(); |
471 | 2 | return; |
472 | 2 | } |
473 | | |
474 | 1.53k | if (IsStatic) { |
475 | 31 | if (Arch == llvm::Triple::arm || Arch == llvm::Triple::armeb28 || |
476 | 28 | Arch == llvm::Triple::thumb || Arch == llvm::Triple::thumbeb) |
477 | 3 | CmdArgs.push_back("-Bstatic"); |
478 | 28 | else |
479 | 28 | CmdArgs.push_back("-static"); |
480 | 1.49k | } else if (Args.hasArg(options::OPT_shared)) { |
481 | 61 | CmdArgs.push_back("-shared"); |
482 | 61 | } |
483 | | |
484 | 1.53k | if (!IsStatic) { |
485 | 1.49k | if (Args.hasArg(options::OPT_rdynamic)) |
486 | 5 | CmdArgs.push_back("-export-dynamic"); |
487 | | |
488 | 1.49k | if (!Args.hasArg(options::OPT_shared) && !IsStaticPIE1.43k ) { |
489 | 1.43k | CmdArgs.push_back("-dynamic-linker"); |
490 | 1.43k | CmdArgs.push_back(Args.MakeArgString(Twine(D.DyldPrefix) + |
491 | 1.43k | ToolChain.getDynamicLinker(Args))); |
492 | 1.43k | } |
493 | 1.49k | } |
494 | | |
495 | 1.53k | CmdArgs.push_back("-o"); |
496 | 1.53k | CmdArgs.push_back(Output.getFilename()); |
497 | | |
498 | 1.53k | if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) { |
499 | 1.52k | if (!isAndroid && !IsIAMCU1.35k ) { |
500 | 1.35k | const char *crt1 = nullptr; |
501 | 1.35k | if (!Args.hasArg(options::OPT_shared)) { |
502 | 1.31k | if (Args.hasArg(options::OPT_pg)) |
503 | 1 | crt1 = "gcrt1.o"; |
504 | 1.30k | else if (IsPIE) |
505 | 106 | crt1 = "Scrt1.o"; |
506 | 1.20k | else if (IsStaticPIE) |
507 | 4 | crt1 = "rcrt1.o"; |
508 | 1.19k | else |
509 | 1.19k | crt1 = "crt1.o"; |
510 | 1.31k | } |
511 | 1.35k | if (crt1) |
512 | 1.31k | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath(crt1))); |
513 | | |
514 | 1.35k | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crti.o"))); |
515 | 1.35k | } |
516 | | |
517 | 1.52k | if (IsVE) { |
518 | 0 | CmdArgs.push_back("-z"); |
519 | 0 | CmdArgs.push_back("max-page-size=0x4000000"); |
520 | 0 | } |
521 | | |
522 | 1.52k | if (IsIAMCU) |
523 | 8 | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o"))); |
524 | 1.51k | else if (HasCRTBeginEndFiles) { |
525 | 1.51k | std::string P; |
526 | 1.51k | if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT && |
527 | 12 | !isAndroid) { |
528 | 9 | std::string crtbegin = ToolChain.getCompilerRT(Args, "crtbegin", |
529 | 9 | ToolChain::FT_Object); |
530 | 9 | if (ToolChain.getVFS().exists(crtbegin)) |
531 | 2 | P = crtbegin; |
532 | 9 | } |
533 | 1.51k | if (P.empty()) { |
534 | 1.51k | const char *crtbegin; |
535 | 1.51k | if (IsStatic) |
536 | 23 | crtbegin = isAndroid ? "crtbegin_static.o"10 : "crtbeginT.o"13 ; |
537 | 1.48k | else if (Args.hasArg(options::OPT_shared)) |
538 | 61 | crtbegin = isAndroid ? "crtbegin_so.o"20 : "crtbeginS.o"41 ; |
539 | 1.42k | else if (IsPIE || IsStaticPIE1.24k ) |
540 | 189 | crtbegin = isAndroid ? "crtbegin_dynamic.o"79 : "crtbeginS.o"110 ; |
541 | 1.23k | else |
542 | 1.23k | crtbegin = isAndroid ? "crtbegin_dynamic.o"54 : "crtbegin.o"1.18k ; |
543 | 1.51k | P = ToolChain.GetFilePath(crtbegin); |
544 | 1.51k | } |
545 | 1.51k | CmdArgs.push_back(Args.MakeArgString(P)); |
546 | 1.51k | } |
547 | | |
548 | | // Add crtfastmath.o if available and fast math is enabled. |
549 | 1.52k | ToolChain.addFastMathRuntimeIfAvailable(Args, CmdArgs); |
550 | 1.52k | } |
551 | | |
552 | 1.53k | Args.AddAllArgs(CmdArgs, options::OPT_L); |
553 | 1.53k | Args.AddAllArgs(CmdArgs, options::OPT_u); |
554 | | |
555 | 1.53k | ToolChain.AddFilePathLibArgs(Args, CmdArgs); |
556 | | |
557 | 1.53k | if (D.isUsingLTO()) { |
558 | 63 | assert(!Inputs.empty() && "Must have at least one input."); |
559 | 63 | addLTOOptions(ToolChain, Args, CmdArgs, Output, Inputs[0], |
560 | 63 | D.getLTOMode() == LTOK_Thin); |
561 | 63 | } |
562 | | |
563 | 1.53k | if (Args.hasArg(options::OPT_Z_Xlinker__no_demangle)) |
564 | 1 | CmdArgs.push_back("--no-demangle"); |
565 | | |
566 | 1.53k | bool NeedsSanitizerDeps = addSanitizerRuntimes(ToolChain, Args, CmdArgs); |
567 | 1.53k | bool NeedsXRayDeps = addXRayRuntime(ToolChain, Args, CmdArgs); |
568 | 1.53k | addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs); |
569 | 1.53k | AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA); |
570 | | // The profile runtime also needs access to system libraries. |
571 | 1.53k | getToolChain().addProfileRTLibs(Args, CmdArgs); |
572 | | |
573 | 1.53k | if (D.CCCIsCXX() && |
574 | 25 | !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { |
575 | 25 | if (ToolChain.ShouldLinkCXXStdlib(Args)) { |
576 | 23 | bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) && |
577 | 0 | !Args.hasArg(options::OPT_static); |
578 | 23 | if (OnlyLibstdcxxStatic) |
579 | 0 | CmdArgs.push_back("-Bstatic"); |
580 | 23 | ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs); |
581 | 23 | if (OnlyLibstdcxxStatic) |
582 | 0 | CmdArgs.push_back("-Bdynamic"); |
583 | 23 | } |
584 | 25 | CmdArgs.push_back("-lm"); |
585 | 25 | } |
586 | | // Silence warnings when linking C code with a C++ '-stdlib' argument. |
587 | 1.53k | Args.ClaimAllArgs(options::OPT_stdlib_EQ); |
588 | | |
589 | 1.53k | if (!Args.hasArg(options::OPT_nostdlib)) { |
590 | 1.52k | if (!Args.hasArg(options::OPT_nodefaultlibs)) { |
591 | 1.52k | if (IsStatic || IsStaticPIE1.48k ) |
592 | 35 | CmdArgs.push_back("--start-group"); |
593 | | |
594 | 1.52k | if (NeedsSanitizerDeps) |
595 | 275 | linkSanitizerRuntimeDeps(ToolChain, CmdArgs); |
596 | | |
597 | 1.52k | if (NeedsXRayDeps) |
598 | 0 | linkXRayRuntimeDeps(ToolChain, CmdArgs); |
599 | | |
600 | 1.52k | bool WantPthread = Args.hasArg(options::OPT_pthread) || |
601 | 1.50k | Args.hasArg(options::OPT_pthreads); |
602 | | |
603 | | // Use the static OpenMP runtime with -static-openmp |
604 | 1.52k | bool StaticOpenMP = Args.hasArg(options::OPT_static_openmp) && |
605 | 4 | !Args.hasArg(options::OPT_static); |
606 | | |
607 | | // FIXME: Only pass GompNeedsRT = true for platforms with libgomp that |
608 | | // require librt. Most modern Linux platforms do, but some may not. |
609 | 1.52k | if (addOpenMPRuntime(CmdArgs, ToolChain, Args, StaticOpenMP, |
610 | 1.52k | JA.isHostOffloading(Action::OFK_OpenMP), |
611 | 1.52k | /* GompNeedsRT= */ true)) |
612 | | // OpenMP runtimes implies pthreads when using the GNU toolchain. |
613 | | // FIXME: Does this really make sense for all GNU toolchains? |
614 | 57 | WantPthread = true; |
615 | | |
616 | 1.52k | AddRunTimeLibs(ToolChain, D, CmdArgs, Args); |
617 | | |
618 | 1.52k | if (WantPthread && !isAndroid73 ) |
619 | 57 | CmdArgs.push_back("-lpthread"); |
620 | | |
621 | 1.52k | if (Args.hasArg(options::OPT_fsplit_stack)) |
622 | 2 | CmdArgs.push_back("--wrap=pthread_create"); |
623 | | |
624 | 1.52k | if (!Args.hasArg(options::OPT_nolibc)) |
625 | 1.51k | CmdArgs.push_back("-lc"); |
626 | | |
627 | | // Add IAMCU specific libs, if needed. |
628 | 1.52k | if (IsIAMCU) |
629 | 8 | CmdArgs.push_back("-lgloss"); |
630 | | |
631 | 1.52k | if (IsStatic || IsStaticPIE1.48k ) |
632 | 35 | CmdArgs.push_back("--end-group"); |
633 | 1.48k | else |
634 | 1.48k | AddRunTimeLibs(ToolChain, D, CmdArgs, Args); |
635 | | |
636 | | // Add IAMCU specific libs (outside the group), if needed. |
637 | 1.52k | if (IsIAMCU) { |
638 | 8 | CmdArgs.push_back("--as-needed"); |
639 | 8 | CmdArgs.push_back("-lsoftfp"); |
640 | 8 | CmdArgs.push_back("--no-as-needed"); |
641 | 8 | } |
642 | 1.52k | } |
643 | | |
644 | 1.52k | if (!Args.hasArg(options::OPT_nostartfiles) && !IsIAMCU) { |
645 | 1.51k | if (HasCRTBeginEndFiles) { |
646 | 1.51k | std::string P; |
647 | 1.51k | if (ToolChain.GetRuntimeLibType(Args) == ToolChain::RLT_CompilerRT && |
648 | 12 | !isAndroid) { |
649 | 9 | std::string crtend = ToolChain.getCompilerRT(Args, "crtend", |
650 | 9 | ToolChain::FT_Object); |
651 | 9 | if (ToolChain.getVFS().exists(crtend)) |
652 | 2 | P = crtend; |
653 | 9 | } |
654 | 1.51k | if (P.empty()) { |
655 | 1.51k | const char *crtend; |
656 | 1.51k | if (Args.hasArg(options::OPT_shared)) |
657 | 61 | crtend = isAndroid ? "crtend_so.o"20 : "crtendS.o"41 ; |
658 | 1.44k | else if (IsPIE || IsStaticPIE1.26k ) |
659 | 189 | crtend = isAndroid ? "crtend_android.o"79 : "crtendS.o"110 ; |
660 | 1.26k | else |
661 | 1.26k | crtend = isAndroid ? "crtend_android.o"64 : "crtend.o"1.19k ; |
662 | 1.51k | P = ToolChain.GetFilePath(crtend); |
663 | 1.51k | } |
664 | 1.51k | CmdArgs.push_back(Args.MakeArgString(P)); |
665 | 1.51k | } |
666 | 1.51k | if (!isAndroid) |
667 | 1.35k | CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtn.o"))); |
668 | 1.51k | } |
669 | 1.52k | } |
670 | | |
671 | 1.53k | Args.AddAllArgs(CmdArgs, options::OPT_T); |
672 | | |
673 | 1.53k | const char *Exec = Args.MakeArgString(ToolChain.GetLinkerPath()); |
674 | 1.53k | C.addCommand(std::make_unique<Command>(JA, *this, |
675 | 1.53k | ResponseFileSupport::AtFileCurCP(), |
676 | 1.53k | Exec, CmdArgs, Inputs, Output)); |
677 | 1.53k | } |
678 | | |
679 | | void tools::gnutools::Assembler::ConstructJob(Compilation &C, |
680 | | const JobAction &JA, |
681 | | const InputInfo &Output, |
682 | | const InputInfoList &Inputs, |
683 | | const ArgList &Args, |
684 | 357 | const char *LinkingOutput) const { |
685 | 357 | const auto &D = getToolChain().getDriver(); |
686 | | |
687 | 357 | claimNoWarnArgs(Args); |
688 | | |
689 | 357 | ArgStringList CmdArgs; |
690 | | |
691 | 357 | llvm::Reloc::Model RelocationModel; |
692 | 357 | unsigned PICLevel; |
693 | 357 | bool IsPIE; |
694 | 357 | const char *DefaultAssembler = "as"; |
695 | 357 | std::tie(RelocationModel, PICLevel, IsPIE) = |
696 | 357 | ParsePICArgs(getToolChain(), Args); |
697 | | |
698 | 357 | if (const Arg *A = Args.getLastArg(options::OPT_gz, options::OPT_gz_EQ)) { |
699 | 10 | if (A->getOption().getID() == options::OPT_gz) { |
700 | 0 | CmdArgs.push_back("--compress-debug-sections"); |
701 | 10 | } else { |
702 | 10 | StringRef Value = A->getValue(); |
703 | 10 | if (Value == "none" || Value == "zlib"8 || Value == "zlib-gnu"4 ) { |
704 | 8 | CmdArgs.push_back( |
705 | 8 | Args.MakeArgString("--compress-debug-sections=" + Twine(Value))); |
706 | 2 | } else { |
707 | 2 | D.Diag(diag::err_drv_unsupported_option_argument) |
708 | 2 | << A->getOption().getName() << Value; |
709 | 2 | } |
710 | 10 | } |
711 | 10 | } |
712 | | |
713 | 357 | if (getToolChain().isNoExecStackDefault()) { |
714 | 2 | CmdArgs.push_back("--noexecstack"); |
715 | 2 | } |
716 | | |
717 | 357 | switch (getToolChain().getArch()) { |
718 | 105 | default: |
719 | 105 | break; |
720 | | // Add --32/--64 to make sure we get the format we want. |
721 | | // This is incomplete |
722 | 25 | case llvm::Triple::x86: |
723 | 25 | CmdArgs.push_back("--32"); |
724 | 25 | break; |
725 | 19 | case llvm::Triple::x86_64: |
726 | 19 | if (getToolChain().getTriple().getEnvironment() == llvm::Triple::GNUX32) |
727 | 1 | CmdArgs.push_back("--x32"); |
728 | 18 | else |
729 | 18 | CmdArgs.push_back("--64"); |
730 | 19 | break; |
731 | 5 | case llvm::Triple::ppc: { |
732 | 5 | CmdArgs.push_back("-a32"); |
733 | 5 | CmdArgs.push_back("-mppc"); |
734 | 5 | CmdArgs.push_back("-mbig-endian"); |
735 | 5 | CmdArgs.push_back( |
736 | 5 | ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple()))); |
737 | 5 | break; |
738 | 0 | } |
739 | 1 | case llvm::Triple::ppcle: { |
740 | 1 | CmdArgs.push_back("-a32"); |
741 | 1 | CmdArgs.push_back("-mppc"); |
742 | 1 | CmdArgs.push_back("-mlittle-endian"); |
743 | 1 | CmdArgs.push_back( |
744 | 1 | ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple()))); |
745 | 1 | break; |
746 | 0 | } |
747 | 4 | case llvm::Triple::ppc64: { |
748 | 4 | CmdArgs.push_back("-a64"); |
749 | 4 | CmdArgs.push_back("-mppc64"); |
750 | 4 | CmdArgs.push_back("-mbig-endian"); |
751 | 4 | CmdArgs.push_back( |
752 | 4 | ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple()))); |
753 | 4 | break; |
754 | 0 | } |
755 | 2 | case llvm::Triple::ppc64le: { |
756 | 2 | CmdArgs.push_back("-a64"); |
757 | 2 | CmdArgs.push_back("-mppc64"); |
758 | 2 | CmdArgs.push_back("-mlittle-endian"); |
759 | 2 | CmdArgs.push_back( |
760 | 2 | ppc::getPPCAsmModeForCPU(getCPUName(Args, getToolChain().getTriple()))); |
761 | 2 | break; |
762 | 0 | } |
763 | 3 | case llvm::Triple::riscv32: |
764 | 6 | case llvm::Triple::riscv64: { |
765 | 6 | StringRef ABIName = riscv::getRISCVABI(Args, getToolChain().getTriple()); |
766 | 6 | CmdArgs.push_back("-mabi"); |
767 | 6 | CmdArgs.push_back(ABIName.data()); |
768 | 6 | StringRef MArchName = riscv::getRISCVArch(Args, getToolChain().getTriple()); |
769 | 6 | CmdArgs.push_back("-march"); |
770 | 6 | CmdArgs.push_back(MArchName.data()); |
771 | 6 | break; |
772 | 3 | } |
773 | 41 | case llvm::Triple::sparc: |
774 | 45 | case llvm::Triple::sparcel: { |
775 | 45 | CmdArgs.push_back("-32"); |
776 | 45 | std::string CPU = getCPUName(Args, getToolChain().getTriple()); |
777 | 45 | CmdArgs.push_back( |
778 | 45 | sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple())); |
779 | 45 | AddAssemblerKPIC(getToolChain(), Args, CmdArgs); |
780 | 45 | break; |
781 | 41 | } |
782 | 13 | case llvm::Triple::sparcv9: { |
783 | 13 | CmdArgs.push_back("-64"); |
784 | 13 | std::string CPU = getCPUName(Args, getToolChain().getTriple()); |
785 | 13 | CmdArgs.push_back( |
786 | 13 | sparc::getSparcAsmModeForCPU(CPU, getToolChain().getTriple())); |
787 | 13 | AddAssemblerKPIC(getToolChain(), Args, CmdArgs); |
788 | 13 | break; |
789 | 41 | } |
790 | 21 | case llvm::Triple::arm: |
791 | 26 | case llvm::Triple::armeb: |
792 | 30 | case llvm::Triple::thumb: |
793 | 34 | case llvm::Triple::thumbeb: { |
794 | 34 | const llvm::Triple &Triple2 = getToolChain().getTriple(); |
795 | 26 | CmdArgs.push_back(isArmBigEndian(Triple2, Args) ? "-EB"8 : "-EL"); |
796 | 34 | switch (Triple2.getSubArch()) { |
797 | 8 | case llvm::Triple::ARMSubArch_v7: |
798 | 8 | CmdArgs.push_back("-mfpu=neon"); |
799 | 8 | break; |
800 | 4 | case llvm::Triple::ARMSubArch_v8: |
801 | 4 | CmdArgs.push_back("-mfpu=crypto-neon-fp-armv8"); |
802 | 4 | break; |
803 | 22 | default: |
804 | 22 | break; |
805 | 34 | } |
806 | | |
807 | 34 | switch (arm::getARMFloatABI(getToolChain(), Args)) { |
808 | 0 | case arm::FloatABI::Invalid: llvm_unreachable("must have an ABI!"); |
809 | 24 | case arm::FloatABI::Soft: |
810 | 24 | CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=soft")); |
811 | 24 | break; |
812 | 2 | case arm::FloatABI::SoftFP: |
813 | 2 | CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=softfp")); |
814 | 2 | break; |
815 | 8 | case arm::FloatABI::Hard: |
816 | 8 | CmdArgs.push_back(Args.MakeArgString("-mfloat-abi=hard")); |
817 | 8 | break; |
818 | 34 | } |
819 | | |
820 | 34 | Args.AddLastArg(CmdArgs, options::OPT_march_EQ); |
821 | 34 | normalizeCPUNamesForAssembler(Args, CmdArgs); |
822 | | |
823 | 34 | Args.AddLastArg(CmdArgs, options::OPT_mfpu_EQ); |
824 | 34 | break; |
825 | 34 | } |
826 | 6 | case llvm::Triple::aarch64: |
827 | 10 | case llvm::Triple::aarch64_be: { |
828 | 10 | CmdArgs.push_back( |
829 | 6 | getToolChain().getArch() == llvm::Triple::aarch64_be ? "-EB"4 : "-EL"); |
830 | 10 | Args.AddLastArg(CmdArgs, options::OPT_march_EQ); |
831 | 10 | normalizeCPUNamesForAssembler(Args, CmdArgs); |
832 | | |
833 | 10 | break; |
834 | 6 | } |
835 | 53 | case llvm::Triple::mips: |
836 | 57 | case llvm::Triple::mipsel: |
837 | 80 | case llvm::Triple::mips64: |
838 | 85 | case llvm::Triple::mips64el: { |
839 | 85 | StringRef CPUName; |
840 | 85 | StringRef ABIName; |
841 | 85 | mips::getMipsCPUAndABI(Args, getToolChain().getTriple(), CPUName, ABIName); |
842 | 85 | ABIName = mips::getGnuCompatibleMipsABIName(ABIName); |
843 | | |
844 | 85 | CmdArgs.push_back("-march"); |
845 | 85 | CmdArgs.push_back(CPUName.data()); |
846 | | |
847 | 85 | CmdArgs.push_back("-mabi"); |
848 | 85 | CmdArgs.push_back(ABIName.data()); |
849 | | |
850 | | // -mno-shared should be emitted unless -fpic, -fpie, -fPIC, -fPIE, |
851 | | // or -mshared (not implemented) is in effect. |
852 | 85 | if (RelocationModel == llvm::Reloc::Static) |
853 | 66 | CmdArgs.push_back("-mno-shared"); |
854 | | |
855 | | // LLVM doesn't support -mplt yet and acts as if it is always given. |
856 | | // However, -mplt has no effect with the N64 ABI. |
857 | 85 | if (ABIName != "64" && !Args.hasArg(options::OPT_mno_abicalls)59 ) |
858 | 59 | CmdArgs.push_back("-call_nonpic"); |
859 | | |
860 | 85 | if (getToolChain().getTriple().isLittleEndian()) |
861 | 9 | CmdArgs.push_back("-EL"); |
862 | 76 | else |
863 | 76 | CmdArgs.push_back("-EB"); |
864 | | |
865 | 85 | if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) { |
866 | 2 | if (StringRef(A->getValue()) == "2008") |
867 | 1 | CmdArgs.push_back(Args.MakeArgString("-mnan=2008")); |
868 | 2 | } |
869 | | |
870 | | // Add the last -mfp32/-mfpxx/-mfp64 or -mfpxx if it is enabled by default. |
871 | 85 | if (Arg *A = Args.getLastArg(options::OPT_mfp32, options::OPT_mfpxx, |
872 | 9 | options::OPT_mfp64)) { |
873 | 9 | A->claim(); |
874 | 9 | A->render(Args, CmdArgs); |
875 | 76 | } else if (mips::shouldUseFPXX( |
876 | 76 | Args, getToolChain().getTriple(), CPUName, ABIName, |
877 | 76 | mips::getMipsFloatABI(getToolChain().getDriver(), Args, |
878 | 76 | getToolChain().getTriple()))) |
879 | 0 | CmdArgs.push_back("-mfpxx"); |
880 | | |
881 | | // Pass on -mmips16 or -mno-mips16. However, the assembler equivalent of |
882 | | // -mno-mips16 is actually -no-mips16. |
883 | 85 | if (Arg *A = |
884 | 2 | Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16)) { |
885 | 2 | if (A->getOption().matches(options::OPT_mips16)) { |
886 | 1 | A->claim(); |
887 | 1 | A->render(Args, CmdArgs); |
888 | 1 | } else { |
889 | 1 | A->claim(); |
890 | 1 | CmdArgs.push_back("-no-mips16"); |
891 | 1 | } |
892 | 2 | } |
893 | | |
894 | 85 | Args.AddLastArg(CmdArgs, options::OPT_mmicromips, |
895 | 85 | options::OPT_mno_micromips); |
896 | 85 | Args.AddLastArg(CmdArgs, options::OPT_mdsp, options::OPT_mno_dsp); |
897 | 85 | Args.AddLastArg(CmdArgs, options::OPT_mdspr2, options::OPT_mno_dspr2); |
898 | | |
899 | 85 | if (Arg *A = Args.getLastArg(options::OPT_mmsa, options::OPT_mno_msa)) { |
900 | | // Do not use AddLastArg because not all versions of MIPS assembler |
901 | | // support -mmsa / -mno-msa options. |
902 | 2 | if (A->getOption().matches(options::OPT_mmsa)) |
903 | 1 | CmdArgs.push_back(Args.MakeArgString("-mmsa")); |
904 | 2 | } |
905 | | |
906 | 85 | Args.AddLastArg(CmdArgs, options::OPT_mhard_float, |
907 | 85 | options::OPT_msoft_float); |
908 | | |
909 | 85 | Args.AddLastArg(CmdArgs, options::OPT_mdouble_float, |
910 | 85 | options::OPT_msingle_float); |
911 | | |
912 | 85 | Args.AddLastArg(CmdArgs, options::OPT_modd_spreg, |
913 | 85 | options::OPT_mno_odd_spreg); |
914 | | |
915 | 85 | AddAssemblerKPIC(getToolChain(), Args, CmdArgs); |
916 | 85 | break; |
917 | 80 | } |
918 | 3 | case llvm::Triple::systemz: { |
919 | | // Always pass an -march option, since our default of z10 is later |
920 | | // than the GNU assembler's default. |
921 | 3 | std::string CPUName = systemz::getSystemZTargetCPU(Args); |
922 | 3 | CmdArgs.push_back(Args.MakeArgString("-march=" + CPUName)); |
923 | 3 | break; |
924 | 80 | } |
925 | 0 | case llvm::Triple::ve: |
926 | 0 | DefaultAssembler = "nas"; |
927 | 357 | } |
928 | | |
929 | 357 | for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ, |
930 | 0 | options::OPT_fdebug_prefix_map_EQ)) { |
931 | 0 | StringRef Map = A->getValue(); |
932 | 0 | if (Map.find('=') == StringRef::npos) |
933 | 0 | D.Diag(diag::err_drv_invalid_argument_to_option) |
934 | 0 | << Map << A->getOption().getName(); |
935 | 0 | else { |
936 | 0 | CmdArgs.push_back(Args.MakeArgString("--debug-prefix-map")); |
937 | 0 | CmdArgs.push_back(Args.MakeArgString(Map)); |
938 | 0 | } |
939 | 0 | A->claim(); |
940 | 0 | } |
941 | | |
942 | 357 | Args.AddAllArgs(CmdArgs, options::OPT_I); |
943 | 357 | Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler); |
944 | | |
945 | 357 | CmdArgs.push_back("-o"); |
946 | 357 | CmdArgs.push_back(Output.getFilename()); |
947 | | |
948 | 357 | for (const auto &II : Inputs) |
949 | 362 | CmdArgs.push_back(II.getFilename()); |
950 | | |
951 | 357 | const char *Exec = |
952 | 357 | Args.MakeArgString(getToolChain().GetProgramPath(DefaultAssembler)); |
953 | 357 | C.addCommand(std::make_unique<Command>(JA, *this, |
954 | 357 | ResponseFileSupport::AtFileCurCP(), |
955 | 357 | Exec, CmdArgs, Inputs, Output)); |
956 | | |
957 | | // Handle the debug info splitting at object creation time if we're |
958 | | // creating an object. |
959 | | // TODO: Currently only works on linux with newer objcopy. |
960 | 357 | if (Args.hasArg(options::OPT_gsplit_dwarf) && |
961 | 1 | getToolChain().getTriple().isOSLinux()) |
962 | 1 | SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output, |
963 | 1 | SplitDebugName(JA, Args, Inputs[0], Output)); |
964 | 357 | } |
965 | | |
966 | | namespace { |
967 | | // Filter to remove Multilibs that don't exist as a suffix to Path |
968 | | class FilterNonExistent { |
969 | | StringRef Base, File; |
970 | | llvm::vfs::FileSystem &VFS; |
971 | | |
972 | | public: |
973 | | FilterNonExistent(StringRef Base, StringRef File, llvm::vfs::FileSystem &VFS) |
974 | 530 | : Base(Base), File(File), VFS(VFS) {} |
975 | 23.7k | bool operator()(const Multilib &M) { |
976 | 23.7k | return !VFS.exists(Base + M.gccSuffix() + File); |
977 | 23.7k | } |
978 | | }; |
979 | | } // end anonymous namespace |
980 | | |
981 | 370 | static bool isSoftFloatABI(const ArgList &Args) { |
982 | 370 | Arg *A = Args.getLastArg(options::OPT_msoft_float, options::OPT_mhard_float, |
983 | 370 | options::OPT_mfloat_abi_EQ); |
984 | 370 | if (!A) |
985 | 162 | return false; |
986 | | |
987 | 208 | return A->getOption().matches(options::OPT_msoft_float) || |
988 | 138 | (A->getOption().matches(options::OPT_mfloat_abi_EQ) && |
989 | 4 | A->getValue() == StringRef("soft")); |
990 | 208 | } |
991 | | |
992 | 528 | static bool isArmOrThumbArch(llvm::Triple::ArchType Arch) { |
993 | 528 | return Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb495 ; |
994 | 528 | } |
995 | | |
996 | 370 | static bool isMipsEL(llvm::Triple::ArchType Arch) { |
997 | 370 | return Arch == llvm::Triple::mipsel || Arch == llvm::Triple::mips64el252 ; |
998 | 370 | } |
999 | | |
1000 | 185 | static bool isMips16(const ArgList &Args) { |
1001 | 185 | Arg *A = Args.getLastArg(options::OPT_mips16, options::OPT_mno_mips16); |
1002 | 185 | return A && A->getOption().matches(options::OPT_mips16)24 ; |
1003 | 185 | } |
1004 | | |
1005 | 185 | static bool isMicroMips(const ArgList &Args) { |
1006 | 185 | Arg *A = Args.getLastArg(options::OPT_mmicromips, options::OPT_mno_micromips); |
1007 | 185 | return A && A->getOption().matches(options::OPT_mmicromips)20 ; |
1008 | 185 | } |
1009 | | |
1010 | 291 | static bool isMSP430(llvm::Triple::ArchType Arch) { |
1011 | 291 | return Arch == llvm::Triple::msp430; |
1012 | 291 | } |
1013 | | |
1014 | 4.24k | static Multilib makeMultilib(StringRef commonSuffix) { |
1015 | 4.24k | return Multilib(commonSuffix, commonSuffix, commonSuffix); |
1016 | 4.24k | } |
1017 | | |
1018 | | static bool findMipsCsMultilibs(const Multilib::flags_list &Flags, |
1019 | | FilterNonExistent &NonExistent, |
1020 | 41 | DetectedMultilibs &Result) { |
1021 | | // Check for Code Sourcery toolchain multilibs |
1022 | 41 | MultilibSet CSMipsMultilibs; |
1023 | 41 | { |
1024 | 41 | auto MArchMips16 = makeMultilib("/mips16").flag("+m32").flag("+mips16"); |
1025 | | |
1026 | 41 | auto MArchMicroMips = |
1027 | 41 | makeMultilib("/micromips").flag("+m32").flag("+mmicromips"); |
1028 | | |
1029 | 41 | auto MArchDefault = makeMultilib("").flag("-mips16").flag("-mmicromips"); |
1030 | | |
1031 | 41 | auto UCLibc = makeMultilib("/uclibc").flag("+muclibc"); |
1032 | | |
1033 | 41 | auto SoftFloat = makeMultilib("/soft-float").flag("+msoft-float"); |
1034 | | |
1035 | 41 | auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008"); |
1036 | | |
1037 | 41 | auto DefaultFloat = |
1038 | 41 | makeMultilib("").flag("-msoft-float").flag("-mnan=2008"); |
1039 | | |
1040 | 41 | auto BigEndian = makeMultilib("").flag("+EB").flag("-EL"); |
1041 | | |
1042 | 41 | auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); |
1043 | | |
1044 | | // Note that this one's osSuffix is "" |
1045 | 41 | auto MAbi64 = makeMultilib("") |
1046 | 41 | .gccSuffix("/64") |
1047 | 41 | .includeSuffix("/64") |
1048 | 41 | .flag("+mabi=n64") |
1049 | 41 | .flag("-mabi=n32") |
1050 | 41 | .flag("-m32"); |
1051 | | |
1052 | 41 | CSMipsMultilibs = |
1053 | 41 | MultilibSet() |
1054 | 41 | .Either(MArchMips16, MArchMicroMips, MArchDefault) |
1055 | 41 | .Maybe(UCLibc) |
1056 | 41 | .Either(SoftFloat, Nan2008, DefaultFloat) |
1057 | 41 | .FilterOut("/micromips/nan2008") |
1058 | 41 | .FilterOut("/mips16/nan2008") |
1059 | 41 | .Either(BigEndian, LittleEndian) |
1060 | 41 | .Maybe(MAbi64) |
1061 | 41 | .FilterOut("/mips16.*/64") |
1062 | 41 | .FilterOut("/micromips.*/64") |
1063 | 41 | .FilterOut(NonExistent) |
1064 | 25 | .setIncludeDirsCallback([](const Multilib &M) { |
1065 | 25 | std::vector<std::string> Dirs({"/include"}); |
1066 | 25 | if (StringRef(M.includeSuffix()).startswith("/uclibc")) |
1067 | 6 | Dirs.push_back( |
1068 | 6 | "/../../../../mips-linux-gnu/libc/uclibc/usr/include"); |
1069 | 19 | else |
1070 | 19 | Dirs.push_back("/../../../../mips-linux-gnu/libc/usr/include"); |
1071 | 25 | return Dirs; |
1072 | 25 | }); |
1073 | 41 | } |
1074 | | |
1075 | 41 | MultilibSet DebianMipsMultilibs; |
1076 | 41 | { |
1077 | 41 | Multilib MAbiN32 = |
1078 | 41 | Multilib().gccSuffix("/n32").includeSuffix("/n32").flag("+mabi=n32"); |
1079 | | |
1080 | 41 | Multilib M64 = Multilib() |
1081 | 41 | .gccSuffix("/64") |
1082 | 41 | .includeSuffix("/64") |
1083 | 41 | .flag("+m64") |
1084 | 41 | .flag("-m32") |
1085 | 41 | .flag("-mabi=n32"); |
1086 | | |
1087 | 41 | Multilib M32 = Multilib().flag("-m64").flag("+m32").flag("-mabi=n32"); |
1088 | | |
1089 | 41 | DebianMipsMultilibs = |
1090 | 41 | MultilibSet().Either(M32, M64, MAbiN32).FilterOut(NonExistent); |
1091 | 41 | } |
1092 | | |
1093 | | // Sort candidates. Toolchain that best meets the directories tree goes first. |
1094 | | // Then select the first toolchains matches command line flags. |
1095 | 41 | MultilibSet *Candidates[] = {&CSMipsMultilibs, &DebianMipsMultilibs}; |
1096 | 41 | if (CSMipsMultilibs.size() < DebianMipsMultilibs.size()) |
1097 | 9 | std::iter_swap(Candidates, Candidates + 1); |
1098 | 48 | for (const MultilibSet *Candidate : Candidates) { |
1099 | 48 | if (Candidate->select(Flags, Result.SelectedMultilib)) { |
1100 | 35 | if (Candidate == &DebianMipsMultilibs) |
1101 | 10 | Result.BiarchSibling = Multilib(); |
1102 | 35 | Result.Multilibs = *Candidate; |
1103 | 35 | return true; |
1104 | 35 | } |
1105 | 48 | } |
1106 | 6 | return false; |
1107 | 41 | } |
1108 | | |
1109 | | static bool findMipsAndroidMultilibs(llvm::vfs::FileSystem &VFS, StringRef Path, |
1110 | | const Multilib::flags_list &Flags, |
1111 | | FilterNonExistent &NonExistent, |
1112 | 4 | DetectedMultilibs &Result) { |
1113 | | |
1114 | 4 | MultilibSet AndroidMipsMultilibs = |
1115 | 4 | MultilibSet() |
1116 | 4 | .Maybe(Multilib("/mips-r2").flag("+march=mips32r2")) |
1117 | 4 | .Maybe(Multilib("/mips-r6").flag("+march=mips32r6")) |
1118 | 4 | .FilterOut(NonExistent); |
1119 | | |
1120 | 4 | MultilibSet AndroidMipselMultilibs = |
1121 | 4 | MultilibSet() |
1122 | 4 | .Either(Multilib().flag("+march=mips32"), |
1123 | 4 | Multilib("/mips-r2", "", "/mips-r2").flag("+march=mips32r2"), |
1124 | 4 | Multilib("/mips-r6", "", "/mips-r6").flag("+march=mips32r6")) |
1125 | 4 | .FilterOut(NonExistent); |
1126 | | |
1127 | 4 | MultilibSet AndroidMips64elMultilibs = |
1128 | 4 | MultilibSet() |
1129 | 4 | .Either( |
1130 | 4 | Multilib().flag("+march=mips64r6"), |
1131 | 4 | Multilib("/32/mips-r1", "", "/mips-r1").flag("+march=mips32"), |
1132 | 4 | Multilib("/32/mips-r2", "", "/mips-r2").flag("+march=mips32r2"), |
1133 | 4 | Multilib("/32/mips-r6", "", "/mips-r6").flag("+march=mips32r6")) |
1134 | 4 | .FilterOut(NonExistent); |
1135 | | |
1136 | 4 | MultilibSet *MS = &AndroidMipsMultilibs; |
1137 | 4 | if (VFS.exists(Path + "/mips-r6")) |
1138 | 1 | MS = &AndroidMipselMultilibs; |
1139 | 3 | else if (VFS.exists(Path + "/32")) |
1140 | 0 | MS = &AndroidMips64elMultilibs; |
1141 | 4 | if (MS->select(Flags, Result.SelectedMultilib)) { |
1142 | 4 | Result.Multilibs = *MS; |
1143 | 4 | return true; |
1144 | 4 | } |
1145 | 0 | return false; |
1146 | 0 | } |
1147 | | |
1148 | | static bool findMipsMuslMultilibs(const Multilib::flags_list &Flags, |
1149 | | FilterNonExistent &NonExistent, |
1150 | 2 | DetectedMultilibs &Result) { |
1151 | | // Musl toolchain multilibs |
1152 | 2 | MultilibSet MuslMipsMultilibs; |
1153 | 2 | { |
1154 | 2 | auto MArchMipsR2 = makeMultilib("") |
1155 | 2 | .osSuffix("/mips-r2-hard-musl") |
1156 | 2 | .flag("+EB") |
1157 | 2 | .flag("-EL") |
1158 | 2 | .flag("+march=mips32r2"); |
1159 | | |
1160 | 2 | auto MArchMipselR2 = makeMultilib("/mipsel-r2-hard-musl") |
1161 | 2 | .flag("-EB") |
1162 | 2 | .flag("+EL") |
1163 | 2 | .flag("+march=mips32r2"); |
1164 | | |
1165 | 2 | MuslMipsMultilibs = MultilibSet().Either(MArchMipsR2, MArchMipselR2); |
1166 | | |
1167 | | // Specify the callback that computes the include directories. |
1168 | 2 | MuslMipsMultilibs.setIncludeDirsCallback([](const Multilib &M) { |
1169 | 2 | return std::vector<std::string>( |
1170 | 2 | {"/../sysroot" + M.osSuffix() + "/usr/include"}); |
1171 | 2 | }); |
1172 | 2 | } |
1173 | 2 | if (MuslMipsMultilibs.select(Flags, Result.SelectedMultilib)) { |
1174 | 2 | Result.Multilibs = MuslMipsMultilibs; |
1175 | 2 | return true; |
1176 | 2 | } |
1177 | 0 | return false; |
1178 | 0 | } |
1179 | | |
1180 | | static bool findMipsMtiMultilibs(const Multilib::flags_list &Flags, |
1181 | | FilterNonExistent &NonExistent, |
1182 | 120 | DetectedMultilibs &Result) { |
1183 | | // CodeScape MTI toolchain v1.2 and early. |
1184 | 120 | MultilibSet MtiMipsMultilibsV1; |
1185 | 120 | { |
1186 | 120 | auto MArchMips32 = makeMultilib("/mips32") |
1187 | 120 | .flag("+m32") |
1188 | 120 | .flag("-m64") |
1189 | 120 | .flag("-mmicromips") |
1190 | 120 | .flag("+march=mips32"); |
1191 | | |
1192 | 120 | auto MArchMicroMips = makeMultilib("/micromips") |
1193 | 120 | .flag("+m32") |
1194 | 120 | .flag("-m64") |
1195 | 120 | .flag("+mmicromips"); |
1196 | | |
1197 | 120 | auto MArchMips64r2 = makeMultilib("/mips64r2") |
1198 | 120 | .flag("-m32") |
1199 | 120 | .flag("+m64") |
1200 | 120 | .flag("+march=mips64r2"); |
1201 | | |
1202 | 120 | auto MArchMips64 = makeMultilib("/mips64").flag("-m32").flag("+m64").flag( |
1203 | 120 | "-march=mips64r2"); |
1204 | | |
1205 | 120 | auto MArchDefault = makeMultilib("") |
1206 | 120 | .flag("+m32") |
1207 | 120 | .flag("-m64") |
1208 | 120 | .flag("-mmicromips") |
1209 | 120 | .flag("+march=mips32r2"); |
1210 | | |
1211 | 120 | auto Mips16 = makeMultilib("/mips16").flag("+mips16"); |
1212 | | |
1213 | 120 | auto UCLibc = makeMultilib("/uclibc").flag("+muclibc"); |
1214 | | |
1215 | 120 | auto MAbi64 = |
1216 | 120 | makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32"); |
1217 | | |
1218 | 120 | auto BigEndian = makeMultilib("").flag("+EB").flag("-EL"); |
1219 | | |
1220 | 120 | auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); |
1221 | | |
1222 | 120 | auto SoftFloat = makeMultilib("/sof").flag("+msoft-float"); |
1223 | | |
1224 | 120 | auto Nan2008 = makeMultilib("/nan2008").flag("+mnan=2008"); |
1225 | | |
1226 | 120 | MtiMipsMultilibsV1 = |
1227 | 120 | MultilibSet() |
1228 | 120 | .Either(MArchMips32, MArchMicroMips, MArchMips64r2, MArchMips64, |
1229 | 120 | MArchDefault) |
1230 | 120 | .Maybe(UCLibc) |
1231 | 120 | .Maybe(Mips16) |
1232 | 120 | .FilterOut("/mips64/mips16") |
1233 | 120 | .FilterOut("/mips64r2/mips16") |
1234 | 120 | .FilterOut("/micromips/mips16") |
1235 | 120 | .Maybe(MAbi64) |
1236 | 120 | .FilterOut("/micromips/64") |
1237 | 120 | .FilterOut("/mips32/64") |
1238 | 120 | .FilterOut("^/64") |
1239 | 120 | .FilterOut("/mips16/64") |
1240 | 120 | .Either(BigEndian, LittleEndian) |
1241 | 120 | .Maybe(SoftFloat) |
1242 | 120 | .Maybe(Nan2008) |
1243 | 120 | .FilterOut(".*sof/nan2008") |
1244 | 120 | .FilterOut(NonExistent) |
1245 | 104 | .setIncludeDirsCallback([](const Multilib &M) { |
1246 | 104 | std::vector<std::string> Dirs({"/include"}); |
1247 | 104 | if (StringRef(M.includeSuffix()).startswith("/uclibc")) |
1248 | 6 | Dirs.push_back("/../../../../sysroot/uclibc/usr/include"); |
1249 | 98 | else |
1250 | 98 | Dirs.push_back("/../../../../sysroot/usr/include"); |
1251 | 104 | return Dirs; |
1252 | 104 | }); |
1253 | 120 | } |
1254 | | |
1255 | | // CodeScape IMG toolchain starting from v1.3. |
1256 | 120 | MultilibSet MtiMipsMultilibsV2; |
1257 | 120 | { |
1258 | 120 | auto BeHard = makeMultilib("/mips-r2-hard") |
1259 | 120 | .flag("+EB") |
1260 | 120 | .flag("-msoft-float") |
1261 | 120 | .flag("-mnan=2008") |
1262 | 120 | .flag("-muclibc"); |
1263 | 120 | auto BeSoft = makeMultilib("/mips-r2-soft") |
1264 | 120 | .flag("+EB") |
1265 | 120 | .flag("+msoft-float") |
1266 | 120 | .flag("-mnan=2008"); |
1267 | 120 | auto ElHard = makeMultilib("/mipsel-r2-hard") |
1268 | 120 | .flag("+EL") |
1269 | 120 | .flag("-msoft-float") |
1270 | 120 | .flag("-mnan=2008") |
1271 | 120 | .flag("-muclibc"); |
1272 | 120 | auto ElSoft = makeMultilib("/mipsel-r2-soft") |
1273 | 120 | .flag("+EL") |
1274 | 120 | .flag("+msoft-float") |
1275 | 120 | .flag("-mnan=2008") |
1276 | 120 | .flag("-mmicromips"); |
1277 | 120 | auto BeHardNan = makeMultilib("/mips-r2-hard-nan2008") |
1278 | 120 | .flag("+EB") |
1279 | 120 | .flag("-msoft-float") |
1280 | 120 | .flag("+mnan=2008") |
1281 | 120 | .flag("-muclibc"); |
1282 | 120 | auto ElHardNan = makeMultilib("/mipsel-r2-hard-nan2008") |
1283 | 120 | .flag("+EL") |
1284 | 120 | .flag("-msoft-float") |
1285 | 120 | .flag("+mnan=2008") |
1286 | 120 | .flag("-muclibc") |
1287 | 120 | .flag("-mmicromips"); |
1288 | 120 | auto BeHardNanUclibc = makeMultilib("/mips-r2-hard-nan2008-uclibc") |
1289 | 120 | .flag("+EB") |
1290 | 120 | .flag("-msoft-float") |
1291 | 120 | .flag("+mnan=2008") |
1292 | 120 | .flag("+muclibc"); |
1293 | 120 | auto ElHardNanUclibc = makeMultilib("/mipsel-r2-hard-nan2008-uclibc") |
1294 | 120 | .flag("+EL") |
1295 | 120 | .flag("-msoft-float") |
1296 | 120 | .flag("+mnan=2008") |
1297 | 120 | .flag("+muclibc"); |
1298 | 120 | auto BeHardUclibc = makeMultilib("/mips-r2-hard-uclibc") |
1299 | 120 | .flag("+EB") |
1300 | 120 | .flag("-msoft-float") |
1301 | 120 | .flag("-mnan=2008") |
1302 | 120 | .flag("+muclibc"); |
1303 | 120 | auto ElHardUclibc = makeMultilib("/mipsel-r2-hard-uclibc") |
1304 | 120 | .flag("+EL") |
1305 | 120 | .flag("-msoft-float") |
1306 | 120 | .flag("-mnan=2008") |
1307 | 120 | .flag("+muclibc"); |
1308 | 120 | auto ElMicroHardNan = makeMultilib("/micromipsel-r2-hard-nan2008") |
1309 | 120 | .flag("+EL") |
1310 | 120 | .flag("-msoft-float") |
1311 | 120 | .flag("+mnan=2008") |
1312 | 120 | .flag("+mmicromips"); |
1313 | 120 | auto ElMicroSoft = makeMultilib("/micromipsel-r2-soft") |
1314 | 120 | .flag("+EL") |
1315 | 120 | .flag("+msoft-float") |
1316 | 120 | .flag("-mnan=2008") |
1317 | 120 | .flag("+mmicromips"); |
1318 | | |
1319 | 120 | auto O32 = |
1320 | 120 | makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64"); |
1321 | 120 | auto N32 = |
1322 | 120 | makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64"); |
1323 | 120 | auto N64 = |
1324 | 120 | makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64"); |
1325 | | |
1326 | 120 | MtiMipsMultilibsV2 = |
1327 | 120 | MultilibSet() |
1328 | 120 | .Either({BeHard, BeSoft, ElHard, ElSoft, BeHardNan, ElHardNan, |
1329 | 120 | BeHardNanUclibc, ElHardNanUclibc, BeHardUclibc, |
1330 | 120 | ElHardUclibc, ElMicroHardNan, ElMicroSoft}) |
1331 | 120 | .Either(O32, N32, N64) |
1332 | 120 | .FilterOut(NonExistent) |
1333 | 16 | .setIncludeDirsCallback([](const Multilib &M) { |
1334 | 16 | return std::vector<std::string>({"/../../../../sysroot" + |
1335 | 16 | M.includeSuffix() + |
1336 | 16 | "/../usr/include"}); |
1337 | 16 | }) |
1338 | 16 | .setFilePathsCallback([](const Multilib &M) { |
1339 | 16 | return std::vector<std::string>( |
1340 | 16 | {"/../../../../mips-mti-linux-gnu/lib" + M.gccSuffix()}); |
1341 | 16 | }); |
1342 | 120 | } |
1343 | 136 | for (auto Candidate : {&MtiMipsMultilibsV1, &MtiMipsMultilibsV2}) { |
1344 | 136 | if (Candidate->select(Flags, Result.SelectedMultilib)) { |
1345 | 120 | Result.Multilibs = *Candidate; |
1346 | 120 | return true; |
1347 | 120 | } |
1348 | 136 | } |
1349 | 0 | return false; |
1350 | 120 | } |
1351 | | |
1352 | | static bool findMipsImgMultilibs(const Multilib::flags_list &Flags, |
1353 | | FilterNonExistent &NonExistent, |
1354 | 18 | DetectedMultilibs &Result) { |
1355 | | // CodeScape IMG toolchain v1.2 and early. |
1356 | 18 | MultilibSet ImgMultilibsV1; |
1357 | 18 | { |
1358 | 18 | auto Mips64r6 = makeMultilib("/mips64r6").flag("+m64").flag("-m32"); |
1359 | | |
1360 | 18 | auto LittleEndian = makeMultilib("/el").flag("+EL").flag("-EB"); |
1361 | | |
1362 | 18 | auto MAbi64 = |
1363 | 18 | makeMultilib("/64").flag("+mabi=n64").flag("-mabi=n32").flag("-m32"); |
1364 | | |
1365 | 18 | ImgMultilibsV1 = |
1366 | 18 | MultilibSet() |
1367 | 18 | .Maybe(Mips64r6) |
1368 | 18 | .Maybe(MAbi64) |
1369 | 18 | .Maybe(LittleEndian) |
1370 | 18 | .FilterOut(NonExistent) |
1371 | 6 | .setIncludeDirsCallback([](const Multilib &M) { |
1372 | 6 | return std::vector<std::string>( |
1373 | 6 | {"/include", "/../../../../sysroot/usr/include"}); |
1374 | 6 | }); |
1375 | 18 | } |
1376 | | |
1377 | | // CodeScape IMG toolchain starting from v1.3. |
1378 | 18 | MultilibSet ImgMultilibsV2; |
1379 | 18 | { |
1380 | 18 | auto BeHard = makeMultilib("/mips-r6-hard") |
1381 | 18 | .flag("+EB") |
1382 | 18 | .flag("-msoft-float") |
1383 | 18 | .flag("-mmicromips"); |
1384 | 18 | auto BeSoft = makeMultilib("/mips-r6-soft") |
1385 | 18 | .flag("+EB") |
1386 | 18 | .flag("+msoft-float") |
1387 | 18 | .flag("-mmicromips"); |
1388 | 18 | auto ElHard = makeMultilib("/mipsel-r6-hard") |
1389 | 18 | .flag("+EL") |
1390 | 18 | .flag("-msoft-float") |
1391 | 18 | .flag("-mmicromips"); |
1392 | 18 | auto ElSoft = makeMultilib("/mipsel-r6-soft") |
1393 | 18 | .flag("+EL") |
1394 | 18 | .flag("+msoft-float") |
1395 | 18 | .flag("-mmicromips"); |
1396 | 18 | auto BeMicroHard = makeMultilib("/micromips-r6-hard") |
1397 | 18 | .flag("+EB") |
1398 | 18 | .flag("-msoft-float") |
1399 | 18 | .flag("+mmicromips"); |
1400 | 18 | auto BeMicroSoft = makeMultilib("/micromips-r6-soft") |
1401 | 18 | .flag("+EB") |
1402 | 18 | .flag("+msoft-float") |
1403 | 18 | .flag("+mmicromips"); |
1404 | 18 | auto ElMicroHard = makeMultilib("/micromipsel-r6-hard") |
1405 | 18 | .flag("+EL") |
1406 | 18 | .flag("-msoft-float") |
1407 | 18 | .flag("+mmicromips"); |
1408 | 18 | auto ElMicroSoft = makeMultilib("/micromipsel-r6-soft") |
1409 | 18 | .flag("+EL") |
1410 | 18 | .flag("+msoft-float") |
1411 | 18 | .flag("+mmicromips"); |
1412 | | |
1413 | 18 | auto O32 = |
1414 | 18 | makeMultilib("/lib").osSuffix("").flag("-mabi=n32").flag("-mabi=n64"); |
1415 | 18 | auto N32 = |
1416 | 18 | makeMultilib("/lib32").osSuffix("").flag("+mabi=n32").flag("-mabi=n64"); |
1417 | 18 | auto N64 = |
1418 | 18 | makeMultilib("/lib64").osSuffix("").flag("-mabi=n32").flag("+mabi=n64"); |
1419 | | |
1420 | 18 | ImgMultilibsV2 = |
1421 | 18 | MultilibSet() |
1422 | 18 | .Either({BeHard, BeSoft, ElHard, ElSoft, BeMicroHard, BeMicroSoft, |
1423 | 18 | ElMicroHard, ElMicroSoft}) |
1424 | 18 | .Either(O32, N32, N64) |
1425 | 18 | .FilterOut(NonExistent) |
1426 | 12 | .setIncludeDirsCallback([](const Multilib &M) { |
1427 | 12 | return std::vector<std::string>({"/../../../../sysroot" + |
1428 | 12 | M.includeSuffix() + |
1429 | 12 | "/../usr/include"}); |
1430 | 12 | }) |
1431 | 12 | .setFilePathsCallback([](const Multilib &M) { |
1432 | 12 | return std::vector<std::string>( |
1433 | 12 | {"/../../../../mips-img-linux-gnu/lib" + M.gccSuffix()}); |
1434 | 12 | }); |
1435 | 18 | } |
1436 | 30 | for (auto Candidate : {&ImgMultilibsV1, &ImgMultilibsV2}) { |
1437 | 30 | if (Candidate->select(Flags, Result.SelectedMultilib)) { |
1438 | 18 | Result.Multilibs = *Candidate; |
1439 | 18 | return true; |
1440 | 18 | } |
1441 | 30 | } |
1442 | 0 | return false; |
1443 | 18 | } |
1444 | | |
1445 | | bool clang::driver::findMIPSMultilibs(const Driver &D, |
1446 | | const llvm::Triple &TargetTriple, |
1447 | | StringRef Path, const ArgList &Args, |
1448 | 185 | DetectedMultilibs &Result) { |
1449 | 185 | FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); |
1450 | | |
1451 | 185 | StringRef CPUName; |
1452 | 185 | StringRef ABIName; |
1453 | 185 | tools::mips::getMipsCPUAndABI(Args, TargetTriple, CPUName, ABIName); |
1454 | | |
1455 | 185 | llvm::Triple::ArchType TargetArch = TargetTriple.getArch(); |
1456 | | |
1457 | 185 | Multilib::flags_list Flags; |
1458 | 185 | addMultilibFlag(TargetTriple.isMIPS32(), "m32", Flags); |
1459 | 185 | addMultilibFlag(TargetTriple.isMIPS64(), "m64", Flags); |
1460 | 185 | addMultilibFlag(isMips16(Args), "mips16", Flags); |
1461 | 185 | addMultilibFlag(CPUName == "mips32", "march=mips32", Flags); |
1462 | 185 | addMultilibFlag(CPUName == "mips32r2" || CPUName == "mips32r3"106 || |
1463 | 105 | CPUName == "mips32r5" || CPUName == "p5600"104 , |
1464 | 185 | "march=mips32r2", Flags); |
1465 | 185 | addMultilibFlag(CPUName == "mips32r6", "march=mips32r6", Flags); |
1466 | 185 | addMultilibFlag(CPUName == "mips64", "march=mips64", Flags); |
1467 | 185 | addMultilibFlag(CPUName == "mips64r2" || CPUName == "mips64r3"143 || |
1468 | 142 | CPUName == "mips64r5" || CPUName == "octeon"141 || |
1469 | 141 | CPUName == "octeon+", |
1470 | 185 | "march=mips64r2", Flags); |
1471 | 185 | addMultilibFlag(CPUName == "mips64r6", "march=mips64r6", Flags); |
1472 | 185 | addMultilibFlag(isMicroMips(Args), "mmicromips", Flags); |
1473 | 185 | addMultilibFlag(tools::mips::isUCLibc(Args), "muclibc", Flags); |
1474 | 185 | addMultilibFlag(tools::mips::isNaN2008(Args, TargetTriple), "mnan=2008", |
1475 | 185 | Flags); |
1476 | 185 | addMultilibFlag(ABIName == "n32", "mabi=n32", Flags); |
1477 | 185 | addMultilibFlag(ABIName == "n64", "mabi=n64", Flags); |
1478 | 185 | addMultilibFlag(isSoftFloatABI(Args), "msoft-float", Flags); |
1479 | 185 | addMultilibFlag(!isSoftFloatABI(Args), "mhard-float", Flags); |
1480 | 185 | addMultilibFlag(isMipsEL(TargetArch), "EL", Flags); |
1481 | 185 | addMultilibFlag(!isMipsEL(TargetArch), "EB", Flags); |
1482 | | |
1483 | 185 | if (TargetTriple.isAndroid()) |
1484 | 4 | return findMipsAndroidMultilibs(D.getVFS(), Path, Flags, NonExistent, |
1485 | 4 | Result); |
1486 | | |
1487 | 181 | if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies && |
1488 | 122 | TargetTriple.getOS() == llvm::Triple::Linux && |
1489 | 122 | TargetTriple.getEnvironment() == llvm::Triple::UnknownEnvironment) |
1490 | 2 | return findMipsMuslMultilibs(Flags, NonExistent, Result); |
1491 | | |
1492 | 179 | if (TargetTriple.getVendor() == llvm::Triple::MipsTechnologies && |
1493 | 120 | TargetTriple.getOS() == llvm::Triple::Linux && |
1494 | 120 | TargetTriple.isGNUEnvironment()) |
1495 | 120 | return findMipsMtiMultilibs(Flags, NonExistent, Result); |
1496 | | |
1497 | 59 | if (TargetTriple.getVendor() == llvm::Triple::ImaginationTechnologies && |
1498 | 18 | TargetTriple.getOS() == llvm::Triple::Linux && |
1499 | 18 | TargetTriple.isGNUEnvironment()) |
1500 | 18 | return findMipsImgMultilibs(Flags, NonExistent, Result); |
1501 | | |
1502 | 41 | if (findMipsCsMultilibs(Flags, NonExistent, Result)) |
1503 | 35 | return true; |
1504 | | |
1505 | | // Fallback to the regular toolchain-tree structure. |
1506 | 6 | Multilib Default; |
1507 | 6 | Result.Multilibs.push_back(Default); |
1508 | 6 | Result.Multilibs.FilterOut(NonExistent); |
1509 | | |
1510 | 6 | if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) { |
1511 | 6 | Result.BiarchSibling = Multilib(); |
1512 | 6 | return true; |
1513 | 6 | } |
1514 | | |
1515 | 0 | return false; |
1516 | 0 | } |
1517 | | |
1518 | | static void findAndroidArmMultilibs(const Driver &D, |
1519 | | const llvm::Triple &TargetTriple, |
1520 | | StringRef Path, const ArgList &Args, |
1521 | 18 | DetectedMultilibs &Result) { |
1522 | | // Find multilibs with subdirectories like armv7-a, thumb, armv7-a/thumb. |
1523 | 18 | FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); |
1524 | 18 | Multilib ArmV7Multilib = makeMultilib("/armv7-a") |
1525 | 18 | .flag("+march=armv7-a") |
1526 | 18 | .flag("-mthumb"); |
1527 | 18 | Multilib ThumbMultilib = makeMultilib("/thumb") |
1528 | 18 | .flag("-march=armv7-a") |
1529 | 18 | .flag("+mthumb"); |
1530 | 18 | Multilib ArmV7ThumbMultilib = makeMultilib("/armv7-a/thumb") |
1531 | 18 | .flag("+march=armv7-a") |
1532 | 18 | .flag("+mthumb"); |
1533 | 18 | Multilib DefaultMultilib = makeMultilib("") |
1534 | 18 | .flag("-march=armv7-a") |
1535 | 18 | .flag("-mthumb"); |
1536 | 18 | MultilibSet AndroidArmMultilibs = |
1537 | 18 | MultilibSet() |
1538 | 18 | .Either(ThumbMultilib, ArmV7Multilib, |
1539 | 18 | ArmV7ThumbMultilib, DefaultMultilib) |
1540 | 18 | .FilterOut(NonExistent); |
1541 | | |
1542 | 18 | Multilib::flags_list Flags; |
1543 | 18 | llvm::StringRef Arch = Args.getLastArgValue(options::OPT_march_EQ); |
1544 | 18 | bool IsArmArch = TargetTriple.getArch() == llvm::Triple::arm; |
1545 | 18 | bool IsThumbArch = TargetTriple.getArch() == llvm::Triple::thumb; |
1546 | 18 | bool IsV7SubArch = TargetTriple.getSubArch() == llvm::Triple::ARMSubArch_v7; |
1547 | 18 | bool IsThumbMode = IsThumbArch || |
1548 | 18 | Args.hasFlag(options::OPT_mthumb, options::OPT_mno_thumb, false) || |
1549 | 13 | (IsArmArch && llvm::ARM::parseArchISA(Arch) == llvm::ARM::ISAKind::THUMB); |
1550 | 18 | bool IsArmV7Mode = (IsArmArch || IsThumbArch0 ) && |
1551 | 18 | (llvm::ARM::parseArchVersion(Arch) == 7 || |
1552 | 13 | (IsArmArch && Arch == "" && IsV7SubArch)); |
1553 | 18 | addMultilibFlag(IsArmV7Mode, "march=armv7-a", Flags); |
1554 | 18 | addMultilibFlag(IsThumbMode, "mthumb", Flags); |
1555 | | |
1556 | 18 | if (AndroidArmMultilibs.select(Flags, Result.SelectedMultilib)) |
1557 | 18 | Result.Multilibs = AndroidArmMultilibs; |
1558 | 18 | } |
1559 | | |
1560 | | static bool findMSP430Multilibs(const Driver &D, |
1561 | | const llvm::Triple &TargetTriple, |
1562 | | StringRef Path, const ArgList &Args, |
1563 | 13 | DetectedMultilibs &Result) { |
1564 | 13 | FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); |
1565 | 13 | Multilib WithoutExceptions = makeMultilib("/430").flag("-exceptions"); |
1566 | 13 | Multilib WithExceptions = makeMultilib("/430/exceptions").flag("+exceptions"); |
1567 | | |
1568 | | // FIXME: when clang starts to support msp430x ISA additional logic |
1569 | | // to select between multilib must be implemented |
1570 | | // Multilib MSP430xMultilib = makeMultilib("/large"); |
1571 | | |
1572 | 13 | Result.Multilibs.push_back(WithoutExceptions); |
1573 | 13 | Result.Multilibs.push_back(WithExceptions); |
1574 | 13 | Result.Multilibs.FilterOut(NonExistent); |
1575 | | |
1576 | 13 | Multilib::flags_list Flags; |
1577 | 13 | addMultilibFlag(Args.hasFlag(options::OPT_fexceptions, |
1578 | 13 | options::OPT_fno_exceptions, false), |
1579 | 13 | "exceptions", Flags); |
1580 | 13 | if (Result.Multilibs.select(Flags, Result.SelectedMultilib)) |
1581 | 13 | return true; |
1582 | | |
1583 | 0 | return false; |
1584 | 0 | } |
1585 | | |
1586 | | static void findRISCVBareMetalMultilibs(const Driver &D, |
1587 | | const llvm::Triple &TargetTriple, |
1588 | | StringRef Path, const ArgList &Args, |
1589 | 27 | DetectedMultilibs &Result) { |
1590 | 27 | FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); |
1591 | 27 | struct RiscvMultilib { |
1592 | 27 | StringRef march; |
1593 | 27 | StringRef mabi; |
1594 | 27 | }; |
1595 | | // currently only support the set of multilibs like riscv-gnu-toolchain does. |
1596 | | // TODO: support MULTILIB_REUSE |
1597 | 27 | constexpr RiscvMultilib RISCVMultilibSet[] = { |
1598 | 27 | {"rv32i", "ilp32"}, {"rv32im", "ilp32"}, {"rv32iac", "ilp32"}, |
1599 | 27 | {"rv32imac", "ilp32"}, {"rv32imafc", "ilp32f"}, {"rv64imac", "lp64"}, |
1600 | 27 | {"rv64imafdc", "lp64d"}}; |
1601 | | |
1602 | 27 | std::vector<Multilib> Ms; |
1603 | 189 | for (auto Element : RISCVMultilibSet) { |
1604 | | // multilib path rule is ${march}/${mabi} |
1605 | 189 | Ms.emplace_back( |
1606 | 189 | makeMultilib((Twine(Element.march) + "/" + Twine(Element.mabi)).str()) |
1607 | 189 | .flag(Twine("+march=", Element.march).str()) |
1608 | 189 | .flag(Twine("+mabi=", Element.mabi).str())); |
1609 | 189 | } |
1610 | 27 | MultilibSet RISCVMultilibs = |
1611 | 27 | MultilibSet() |
1612 | 27 | .Either(ArrayRef<Multilib>(Ms)) |
1613 | 27 | .FilterOut(NonExistent) |
1614 | 11 | .setFilePathsCallback([](const Multilib &M) { |
1615 | 11 | return std::vector<std::string>( |
1616 | 11 | {M.gccSuffix(), |
1617 | 11 | "/../../../../riscv64-unknown-elf/lib" + M.gccSuffix(), |
1618 | 11 | "/../../../../riscv32-unknown-elf/lib" + M.gccSuffix()}); |
1619 | 11 | }); |
1620 | | |
1621 | | |
1622 | 27 | Multilib::flags_list Flags; |
1623 | 27 | llvm::StringSet<> Added_ABIs; |
1624 | 27 | StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple); |
1625 | 27 | StringRef MArch = tools::riscv::getRISCVArch(Args, TargetTriple); |
1626 | 189 | for (auto Element : RISCVMultilibSet) { |
1627 | 189 | addMultilibFlag(MArch == Element.march, |
1628 | 189 | Twine("march=", Element.march).str().c_str(), Flags); |
1629 | 189 | if (!Added_ABIs.count(Element.mabi)) { |
1630 | 108 | Added_ABIs.insert(Element.mabi); |
1631 | 108 | addMultilibFlag(ABIName == Element.mabi, |
1632 | 108 | Twine("mabi=", Element.mabi).str().c_str(), Flags); |
1633 | 108 | } |
1634 | 189 | } |
1635 | | |
1636 | 27 | if (RISCVMultilibs.select(Flags, Result.SelectedMultilib)) |
1637 | 11 | Result.Multilibs = RISCVMultilibs; |
1638 | 27 | } |
1639 | | |
1640 | | static void findRISCVMultilibs(const Driver &D, |
1641 | | const llvm::Triple &TargetTriple, StringRef Path, |
1642 | 36 | const ArgList &Args, DetectedMultilibs &Result) { |
1643 | 36 | if (TargetTriple.getOS() == llvm::Triple::UnknownOS) |
1644 | 27 | return findRISCVBareMetalMultilibs(D, TargetTriple, Path, Args, Result); |
1645 | | |
1646 | 9 | FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS()); |
1647 | 9 | Multilib Ilp32 = makeMultilib("lib32/ilp32").flag("+m32").flag("+mabi=ilp32"); |
1648 | 9 | Multilib Ilp32f = |
1649 | 9 | makeMultilib("lib32/ilp32f").flag("+m32").flag("+mabi=ilp32f"); |
1650 | 9 | Multilib Ilp32d = |
1651 | 9 | makeMultilib("lib32/ilp32d").flag("+m32").flag("+mabi=ilp32d"); |
1652 | 9 | Multilib Lp64 = makeMultilib("lib64/lp64").flag("+m64").flag("+mabi=lp64"); |
1653 | 9 | Multilib Lp64f = makeMultilib("lib64/lp64f").flag("+m64").flag("+mabi=lp64f"); |
1654 | 9 | Multilib Lp64d = makeMultilib("lib64/lp64d").flag("+m64").flag("+mabi=lp64d"); |
1655 | 9 | MultilibSet RISCVMultilibs = |
1656 | 9 | MultilibSet() |
1657 | 9 | .Either({Ilp32, Ilp32f, Ilp32d, Lp64, Lp64f, Lp64d}) |
1658 | 9 | .FilterOut(NonExistent); |
1659 | | |
1660 | 9 | Multilib::flags_list Flags; |
1661 | 9 | bool IsRV64 = TargetTriple.getArch() == llvm::Triple::riscv64; |
1662 | 9 | StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple); |
1663 | | |
1664 | 9 | addMultilibFlag(!IsRV64, "m32", Flags); |
1665 | 9 | addMultilibFlag(IsRV64, "m64", Flags); |
1666 | 9 | addMultilibFlag(ABIName == "ilp32", "mabi=ilp32", Flags); |
1667 | 9 | addMultilibFlag(ABIName == "ilp32f", "mabi=ilp32f", Flags); |
1668 | 9 | addMultilibFlag(ABIName == "ilp32d", "mabi=ilp32d", Flags); |
1669 | 9 | addMultilibFlag(ABIName == "lp64", "mabi=lp64", Flags); |
1670 | 9 | addMultilibFlag(ABIName == "lp64f", "mabi=lp64f", Flags); |
1671 | 9 | addMultilibFlag(ABIName == "lp64d", "mabi=lp64d", Flags); |
1672 | | |
1673 | 9 | if (RISCVMultilibs.select(Flags, Result.SelectedMultilib)) |
1674 | 4 | Result.Multilibs = RISCVMultilibs; |
1675 | 9 | } |
1676 | | |
1677 | | static bool findBiarchMultilibs(const Driver &D, |
1678 | | const llvm::Triple &TargetTriple, |
1679 | | StringRef Path, const ArgList &Args, |
1680 | | bool NeedsBiarchSuffix, |
1681 | 278 | DetectedMultilibs &Result) { |
1682 | 278 | Multilib Default; |
1683 | | |
1684 | | // Some versions of SUSE and Fedora on ppc64 put 32-bit libs |
1685 | | // in what would normally be GCCInstallPath and put the 64-bit |
1686 | | // libs in a subdirectory named 64. The simple logic we follow is that |
1687 | | // *if* there is a subdirectory of the right name with crtbegin.o in it, |
1688 | | // we use that. If not, and if not a biarch triple alias, we look for |
1689 | | // crtbegin.o without the subdirectory. |
1690 | | |
1691 | 278 | StringRef Suff64 = "/64"; |
1692 | | // Solaris uses platform-specific suffixes instead of /64. |
1693 | 278 | if (TargetTriple.getOS() == llvm::Triple::Solaris) { |
1694 | 23 | switch (TargetTriple.getArch()) { |
1695 | 4 | case llvm::Triple::x86: |
1696 | 6 | case llvm::Triple::x86_64: |
1697 | 6 | Suff64 = "/amd64"; |
1698 | 6 | break; |
1699 | 15 | case llvm::Triple::sparc: |
1700 | 17 | case llvm::Triple::sparcv9: |
1701 | 17 | Suff64 = "/sparcv9"; |
1702 | 17 | break; |
1703 | 0 | default: |
1704 | 0 | break; |
1705 | 278 | } |
1706 | 278 | } |
1707 | | |
1708 | 278 | Multilib Alt64 = Multilib() |
1709 | 278 | .gccSuffix(Suff64) |
1710 | 278 | .includeSuffix(Suff64) |
1711 | 278 | .flag("-m32") |
1712 | 278 | .flag("+m64") |
1713 | 278 | .flag("-mx32"); |
1714 | 278 | Multilib Alt32 = Multilib() |
1715 | 278 | .gccSuffix("/32") |
1716 | 278 | .includeSuffix("/32") |
1717 | 278 | .flag("+m32") |
1718 | 278 | .flag("-m64") |
1719 | 278 | .flag("-mx32"); |
1720 | 278 | Multilib Altx32 = Multilib() |
1721 | 278 | .gccSuffix("/x32") |
1722 | 278 | .includeSuffix("/x32") |
1723 | 278 | .flag("-m32") |
1724 | 278 | .flag("-m64") |
1725 | 278 | .flag("+mx32"); |
1726 | | |
1727 | | // GCC toolchain for IAMCU doesn't have crtbegin.o, so look for libgcc.a. |
1728 | 278 | FilterNonExistent NonExistent( |
1729 | 278 | Path, TargetTriple.isOSIAMCU() ? "/libgcc.a"0 : "/crtbegin.o", D.getVFS()); |
1730 | | |
1731 | | // Determine default multilib from: 32, 64, x32 |
1732 | | // Also handle cases such as 64 on 32, 32 on 64, etc. |
1733 | 278 | enum { UNKNOWN, WANT32, WANT64, WANTX32 } Want = UNKNOWN; |
1734 | 278 | const bool IsX32 = TargetTriple.getEnvironment() == llvm::Triple::GNUX32; |
1735 | 278 | if (TargetTriple.isArch32Bit() && !NonExistent(Alt32)131 ) |
1736 | 10 | Want = WANT64; |
1737 | 268 | else if (TargetTriple.isArch64Bit() && IsX32147 && !NonExistent(Altx32)12 ) |
1738 | 8 | Want = WANT64; |
1739 | 260 | else if (TargetTriple.isArch64Bit() && !IsX32139 && !NonExistent(Alt64)135 ) |
1740 | 7 | Want = WANT32; |
1741 | 253 | else { |
1742 | 253 | if (TargetTriple.isArch32Bit()) |
1743 | 121 | Want = NeedsBiarchSuffix ? WANT644 : WANT32117 ; |
1744 | 132 | else if (IsX32) |
1745 | 4 | Want = NeedsBiarchSuffix ? WANT640 : WANTX32; |
1746 | 128 | else |
1747 | 128 | Want = NeedsBiarchSuffix ? WANT321 : WANT64127 ; |
1748 | 253 | } |
1749 | | |
1750 | 278 | if (Want == WANT32) |
1751 | 125 | Default.flag("+m32").flag("-m64").flag("-mx32"); |
1752 | 153 | else if (Want == WANT64) |
1753 | 149 | Default.flag("-m32").flag("+m64").flag("-mx32"); |
1754 | 4 | else if (Want == WANTX32) |
1755 | 4 | Default.flag("-m32").flag("-m64").flag("+mx32"); |
1756 | 0 | else |
1757 | 0 | return false; |
1758 | | |
1759 | 278 | Result.Multilibs.push_back(Default); |
1760 | 278 | Result.Multilibs.push_back(Alt64); |
1761 | 278 | Result.Multilibs.push_back(Alt32); |
1762 | 278 | Result.Multilibs.push_back(Altx32); |
1763 | | |
1764 | 278 | Result.Multilibs.FilterOut(NonExistent); |
1765 | | |
1766 | 278 | Multilib::flags_list Flags; |
1767 | 278 | addMultilibFlag(TargetTriple.isArch64Bit() && !IsX32147 , "m64", Flags); |
1768 | 278 | addMultilibFlag(TargetTriple.isArch32Bit(), "m32", Flags); |
1769 | 278 | addMultilibFlag(TargetTriple.isArch64Bit() && IsX32147 , "mx32", Flags); |
1770 | | |
1771 | 278 | if (!Result.Multilibs.select(Flags, Result.SelectedMultilib)) |
1772 | 9 | return false; |
1773 | | |
1774 | 269 | if (Result.SelectedMultilib == Alt64 || Result.SelectedMultilib == Alt32262 || |
1775 | 252 | Result.SelectedMultilib == Altx32) |
1776 | 25 | Result.BiarchSibling = Default; |
1777 | | |
1778 | 269 | return true; |
1779 | 269 | } |
1780 | | |
1781 | | /// Generic_GCC - A tool chain using the 'gcc' command to perform |
1782 | | /// all subcommands; this relies on gcc translating the majority of |
1783 | | /// command line options. |
1784 | | |
1785 | | /// Less-than for GCCVersion, implementing a Strict Weak Ordering. |
1786 | | bool Generic_GCC::GCCVersion::isOlderThan(int RHSMajor, int RHSMinor, |
1787 | | int RHSPatch, |
1788 | 1.39k | StringRef RHSPatchSuffix) const { |
1789 | 1.39k | if (Major != RHSMajor) |
1790 | 580 | return Major < RHSMajor; |
1791 | 812 | if (Minor != RHSMinor) |
1792 | 656 | return Minor < RHSMinor; |
1793 | 156 | if (Patch != RHSPatch) { |
1794 | | // Note that versions without a specified patch sort higher than those with |
1795 | | // a patch. |
1796 | 7 | if (RHSPatch == -1) |
1797 | 2 | return true; |
1798 | 5 | if (Patch == -1) |
1799 | 0 | return false; |
1800 | | |
1801 | | // Otherwise just sort on the patch itself. |
1802 | 5 | return Patch < RHSPatch; |
1803 | 5 | } |
1804 | 149 | if (PatchSuffix != RHSPatchSuffix) { |
1805 | | // Sort empty suffixes higher. |
1806 | 1 | if (RHSPatchSuffix.empty()) |
1807 | 1 | return true; |
1808 | 0 | if (PatchSuffix.empty()) |
1809 | 0 | return false; |
1810 | | |
1811 | | // Provide a lexicographic sort to make this a total ordering. |
1812 | 0 | return PatchSuffix < RHSPatchSuffix; |
1813 | 0 | } |
1814 | | |
1815 | | // The versions are equal. |
1816 | 148 | return false; |
1817 | 148 | } |
1818 | | |
1819 | | /// Parse a GCCVersion object out of a string of text. |
1820 | | /// |
1821 | | /// This is the primary means of forming GCCVersion objects. |
1822 | | /*static*/ |
1823 | 6.60k | Generic_GCC::GCCVersion Generic_GCC::GCCVersion::Parse(StringRef VersionText) { |
1824 | 6.60k | const GCCVersion BadVersion = {VersionText.str(), -1, -1, -1, "", "", ""}; |
1825 | 6.60k | std::pair<StringRef, StringRef> First = VersionText.split('.'); |
1826 | 6.60k | std::pair<StringRef, StringRef> Second = First.second.split('.'); |
1827 | | |
1828 | 6.60k | GCCVersion GoodVersion = {VersionText.str(), -1, -1, -1, "", "", ""}; |
1829 | 6.60k | if (First.first.getAsInteger(10, GoodVersion.Major) || GoodVersion.Major < 06.59k ) |
1830 | 1 | return BadVersion; |
1831 | 6.59k | GoodVersion.MajorStr = First.first.str(); |
1832 | 6.59k | if (First.second.empty()) |
1833 | 20 | return GoodVersion; |
1834 | 6.57k | StringRef MinorStr = Second.first; |
1835 | 6.57k | if (Second.second.empty()) { |
1836 | 152 | if (size_t EndNumber = MinorStr.find_first_not_of("0123456789")) { |
1837 | 152 | GoodVersion.PatchSuffix = std::string(MinorStr.substr(EndNumber)); |
1838 | 152 | MinorStr = MinorStr.slice(0, EndNumber); |
1839 | 152 | } |
1840 | 152 | } |
1841 | 6.57k | if (MinorStr.getAsInteger(10, GoodVersion.Minor) || GoodVersion.Minor < 0) |
1842 | 0 | return BadVersion; |
1843 | 6.57k | GoodVersion.MinorStr = MinorStr.str(); |
1844 | | |
1845 | | // First look for a number prefix and parse that if present. Otherwise just |
1846 | | // stash the entire patch string in the suffix, and leave the number |
1847 | | // unspecified. This covers versions strings such as: |
1848 | | // 5 (handled above) |
1849 | | // 4.4 |
1850 | | // 4.4-patched |
1851 | | // 4.4.0 |
1852 | | // 4.4.x |
1853 | | // 4.4.2-rc4 |
1854 | | // 4.4.x-patched |
1855 | | // And retains any patch number it finds. |
1856 | 6.57k | StringRef PatchText = Second.second; |
1857 | 6.57k | if (!PatchText.empty()) { |
1858 | 6.42k | if (size_t EndNumber = PatchText.find_first_not_of("0123456789")) { |
1859 | | // Try to parse the number and any suffix. |
1860 | 6.42k | if (PatchText.slice(0, EndNumber).getAsInteger(10, GoodVersion.Patch) || |
1861 | 6.42k | GoodVersion.Patch < 0) |
1862 | 0 | return BadVersion; |
1863 | 6.42k | GoodVersion.PatchSuffix = std::string(PatchText.substr(EndNumber)); |
1864 | 6.42k | } |
1865 | 6.42k | } |
1866 | | |
1867 | 6.57k | return GoodVersion; |
1868 | 6.57k | } |
1869 | | |
1870 | | static llvm::StringRef getGCCToolchainDir(const ArgList &Args, |
1871 | 4.93k | llvm::StringRef SysRoot) { |
1872 | 4.93k | const Arg *A = Args.getLastArg(clang::driver::options::OPT_gcc_toolchain); |
1873 | 4.93k | if (A) |
1874 | 478 | return A->getValue(); |
1875 | | |
1876 | | // If we have a SysRoot, ignore GCC_INSTALL_PREFIX. |
1877 | | // GCC_INSTALL_PREFIX specifies the gcc installation for the default |
1878 | | // sysroot and is likely not valid with a different sysroot. |
1879 | 4.45k | if (!SysRoot.empty()) |
1880 | 192 | return ""; |
1881 | | |
1882 | 4.26k | return GCC_INSTALL_PREFIX; |
1883 | 4.26k | } |
1884 | | |
1885 | | /// Initialize a GCCInstallationDetector from the driver. |
1886 | | /// |
1887 | | /// This performs all of the autodetection and sets up the various paths. |
1888 | | /// Once constructed, a GCCInstallationDetector is essentially immutable. |
1889 | | /// |
1890 | | /// FIXME: We shouldn't need an explicit TargetTriple parameter here, and |
1891 | | /// should instead pull the target out of the driver. This is currently |
1892 | | /// necessary because the driver doesn't store the final version of the target |
1893 | | /// triple. |
1894 | | void Generic_GCC::GCCInstallationDetector::init( |
1895 | | const llvm::Triple &TargetTriple, const ArgList &Args, |
1896 | 4.93k | ArrayRef<std::string> ExtraTripleAliases) { |
1897 | 4.93k | llvm::Triple BiarchVariantTriple = TargetTriple.isArch32Bit() |
1898 | 1.78k | ? TargetTriple.get64BitArchVariant() |
1899 | 3.15k | : TargetTriple.get32BitArchVariant(); |
1900 | | // The library directories which may contain GCC installations. |
1901 | 4.93k | SmallVector<StringRef, 4> CandidateLibDirs, CandidateBiarchLibDirs; |
1902 | | // The compatible GCC triples for this particular architecture. |
1903 | 4.93k | SmallVector<StringRef, 16> CandidateTripleAliases; |
1904 | 4.93k | SmallVector<StringRef, 16> CandidateBiarchTripleAliases; |
1905 | 4.93k | CollectLibDirsAndTriples(TargetTriple, BiarchVariantTriple, CandidateLibDirs, |
1906 | 4.93k | CandidateTripleAliases, CandidateBiarchLibDirs, |
1907 | 4.93k | CandidateBiarchTripleAliases); |
1908 | | |
1909 | | // Compute the set of prefixes for our search. |
1910 | 4.93k | SmallVector<std::string, 8> Prefixes(D.PrefixDirs.begin(), |
1911 | 4.93k | D.PrefixDirs.end()); |
1912 | | |
1913 | 4.93k | StringRef GCCToolchainDir = getGCCToolchainDir(Args, D.SysRoot); |
1914 | 4.93k | if (GCCToolchainDir != "") { |
1915 | 220 | if (GCCToolchainDir.back() == '/') |
1916 | 1 | GCCToolchainDir = GCCToolchainDir.drop_back(); // remove the / |
1917 | | |
1918 | 220 | Prefixes.push_back(std::string(GCCToolchainDir)); |
1919 | 4.71k | } else { |
1920 | | // If we have a SysRoot, try that first. |
1921 | 4.71k | if (!D.SysRoot.empty()) { |
1922 | 439 | Prefixes.push_back(D.SysRoot); |
1923 | 439 | AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot); |
1924 | 439 | } |
1925 | | |
1926 | | // Then look for gcc installed alongside clang. |
1927 | 4.71k | Prefixes.push_back(D.InstalledDir + "/.."); |
1928 | | |
1929 | | // Next, look for prefix(es) that correspond to distribution-supplied gcc |
1930 | | // installations. |
1931 | 4.71k | if (D.SysRoot.empty()) { |
1932 | | // Typically /usr. |
1933 | 4.27k | AddDefaultGCCPrefixes(TargetTriple, Prefixes, D.SysRoot); |
1934 | 4.27k | } |
1935 | 4.71k | } |
1936 | | |
1937 | | // Try to respect gcc-config on Gentoo. However, do that only |
1938 | | // if --gcc-toolchain is not provided or equal to the Gentoo install |
1939 | | // in /usr. This avoids accidentally enforcing the system GCC version |
1940 | | // when using a custom toolchain. |
1941 | 4.93k | if (GCCToolchainDir == "" || GCCToolchainDir == D.SysRoot + "/usr"220 ) { |
1942 | 4.71k | SmallVector<StringRef, 16> GentooTestTriples; |
1943 | | // Try to match an exact triple as target triple first. |
1944 | | // e.g. crossdev -S x86_64-gentoo-linux-gnu will install gcc libs for |
1945 | | // x86_64-gentoo-linux-gnu. But "clang -target x86_64-gentoo-linux-gnu" |
1946 | | // may pick the libraries for x86_64-pc-linux-gnu even when exact matching |
1947 | | // triple x86_64-gentoo-linux-gnu is present. |
1948 | 4.71k | GentooTestTriples.push_back(TargetTriple.str()); |
1949 | | // Check rest of triples. |
1950 | 4.71k | GentooTestTriples.append(ExtraTripleAliases.begin(), |
1951 | 4.71k | ExtraTripleAliases.end()); |
1952 | 4.71k | GentooTestTriples.append(CandidateTripleAliases.begin(), |
1953 | 4.71k | CandidateTripleAliases.end()); |
1954 | 4.71k | if (ScanGentooConfigs(TargetTriple, Args, GentooTestTriples, |
1955 | 4.71k | CandidateBiarchTripleAliases)) |
1956 | 9 | return; |
1957 | 4.92k | } |
1958 | | |
1959 | | // Loop over the various components which exist and select the best GCC |
1960 | | // installation available. GCC installs are ranked by version number. |
1961 | 4.92k | Version = GCCVersion::Parse("0.0.0"); |
1962 | 42.6k | for (const std::string &Prefix : Prefixes) { |
1963 | 42.6k | auto &VFS = D.getVFS(); |
1964 | 42.6k | if (!VFS.exists(Prefix)) |
1965 | 34.8k | continue; |
1966 | 12.8k | for (StringRef Suffix : CandidateLibDirs)7.81k { |
1967 | 12.8k | const std::string LibDir = Prefix + Suffix.str(); |
1968 | 12.8k | if (!VFS.exists(LibDir)) |
1969 | 5.48k | continue; |
1970 | | // Maybe filter out <libdir>/gcc and <libdir>/gcc-cross. |
1971 | 7.41k | bool GCCDirExists = VFS.exists(LibDir + "/gcc"); |
1972 | 7.41k | bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross"); |
1973 | | // Try to match the exact target triple first. |
1974 | 7.41k | ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, TargetTriple.str(), |
1975 | 7.41k | false, GCCDirExists, GCCCrossDirExists); |
1976 | | // Try rest of possible triples. |
1977 | 7.41k | for (StringRef Candidate : ExtraTripleAliases) // Try these first. |
1978 | 46 | ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, false, |
1979 | 46 | GCCDirExists, GCCCrossDirExists); |
1980 | 7.41k | for (StringRef Candidate : CandidateTripleAliases) |
1981 | 66.4k | ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, false, |
1982 | 66.4k | GCCDirExists, GCCCrossDirExists); |
1983 | 7.41k | } |
1984 | 12.3k | for (StringRef Suffix : CandidateBiarchLibDirs) { |
1985 | 12.3k | const std::string LibDir = Prefix + Suffix.str(); |
1986 | 12.3k | if (!VFS.exists(LibDir)) |
1987 | 6.59k | continue; |
1988 | 5.79k | bool GCCDirExists = VFS.exists(LibDir + "/gcc"); |
1989 | 5.79k | bool GCCCrossDirExists = VFS.exists(LibDir + "/gcc-cross"); |
1990 | 5.79k | for (StringRef Candidate : CandidateBiarchTripleAliases) |
1991 | 70.6k | ScanLibDirForGCCTriple(TargetTriple, Args, LibDir, Candidate, true, |
1992 | 70.6k | GCCDirExists, GCCCrossDirExists); |
1993 | 5.79k | } |
1994 | 7.81k | } |
1995 | 4.92k | } |
1996 | | |
1997 | 105 | void Generic_GCC::GCCInstallationDetector::print(raw_ostream &OS) const { |
1998 | 105 | for (const auto &InstallPath : CandidateGCCInstallPaths) |
1999 | 12 | OS << "Found candidate GCC installation: " << InstallPath << "\n"; |
2000 | | |
2001 | 105 | if (!GCCInstallPath.empty()) |
2002 | 9 | OS << "Selected GCC installation: " << GCCInstallPath << "\n"; |
2003 | | |
2004 | 105 | for (const auto &Multilib : Multilibs) |
2005 | 9 | OS << "Candidate multilib: " << Multilib << "\n"; |
2006 | | |
2007 | 105 | if (Multilibs.size() != 0 || !SelectedMultilib.isDefault()96 ) |
2008 | 9 | OS << "Selected multilib: " << SelectedMultilib << "\n"; |
2009 | 105 | } |
2010 | | |
2011 | 441 | bool Generic_GCC::GCCInstallationDetector::getBiarchSibling(Multilib &M) const { |
2012 | 441 | if (BiarchSibling.hasValue()) { |
2013 | 37 | M = BiarchSibling.getValue(); |
2014 | 37 | return true; |
2015 | 37 | } |
2016 | 404 | return false; |
2017 | 404 | } |
2018 | | |
2019 | | void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes( |
2020 | | const llvm::Triple &TargetTriple, SmallVectorImpl<std::string> &Prefixes, |
2021 | 4.71k | StringRef SysRoot) { |
2022 | 4.71k | if (TargetTriple.getOS() == llvm::Triple::Solaris) { |
2023 | | // Solaris is a special case. |
2024 | | // The GCC installation is under |
2025 | | // /usr/gcc/<major>.<minor>/lib/gcc/<triple>/<major>.<minor>.<patch>/ |
2026 | | // so we need to find those /usr/gcc/*/lib/gcc libdirs and go with |
2027 | | // /usr/gcc/<version> as a prefix. |
2028 | | |
2029 | 36 | std::string PrefixDir = SysRoot.str() + "/usr/gcc"; |
2030 | 36 | std::error_code EC; |
2031 | 36 | for (llvm::vfs::directory_iterator LI = D.getVFS().dir_begin(PrefixDir, EC), |
2032 | 36 | LE; |
2033 | 59 | !EC && LI != LE46 ; LI = LI.increment(EC)23 ) { |
2034 | 23 | StringRef VersionText = llvm::sys::path::filename(LI->path()); |
2035 | 23 | GCCVersion CandidateVersion = GCCVersion::Parse(VersionText); |
2036 | | |
2037 | | // Filter out obviously bad entries. |
2038 | 23 | if (CandidateVersion.Major == -1 || CandidateVersion.isOlderThan(4, 1, 1)) |
2039 | 0 | continue; |
2040 | | |
2041 | 23 | std::string CandidatePrefix = PrefixDir + "/" + VersionText.str(); |
2042 | 23 | std::string CandidateLibPath = CandidatePrefix + "/lib/gcc"; |
2043 | 23 | if (!D.getVFS().exists(CandidateLibPath)) |
2044 | 0 | continue; |
2045 | | |
2046 | 23 | Prefixes.push_back(CandidatePrefix); |
2047 | 23 | } |
2048 | 36 | return; |
2049 | 36 | } |
2050 | | |
2051 | | // Non-Solaris is much simpler - most systems just go with "/usr". |
2052 | 4.67k | if (SysRoot.empty() && TargetTriple.getOS() == llvm::Triple::Linux4.25k ) { |
2053 | | // Yet, still look for RHEL devtoolsets. |
2054 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-10/root/usr"); |
2055 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-9/root/usr"); |
2056 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-8/root/usr"); |
2057 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-7/root/usr"); |
2058 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-6/root/usr"); |
2059 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-4/root/usr"); |
2060 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-3/root/usr"); |
2061 | 4.07k | Prefixes.push_back("/opt/rh/devtoolset-2/root/usr"); |
2062 | 4.07k | } |
2063 | 4.67k | Prefixes.push_back(SysRoot.str() + "/usr"); |
2064 | 4.67k | } |
2065 | | |
2066 | | /*static*/ void Generic_GCC::GCCInstallationDetector::CollectLibDirsAndTriples( |
2067 | | const llvm::Triple &TargetTriple, const llvm::Triple &BiarchTriple, |
2068 | | SmallVectorImpl<StringRef> &LibDirs, |
2069 | | SmallVectorImpl<StringRef> &TripleAliases, |
2070 | | SmallVectorImpl<StringRef> &BiarchLibDirs, |
2071 | 4.93k | SmallVectorImpl<StringRef> &BiarchTripleAliases) { |
2072 | | // Declare a bunch of static data sets that we'll select between below. These |
2073 | | // are specifically designed to always refer to string literals to avoid any |
2074 | | // lifetime or initialization issues. |
2075 | 4.93k | static const char *const AArch64LibDirs[] = {"/lib64", "/lib"}; |
2076 | 4.93k | static const char *const AArch64Triples[] = { |
2077 | 4.93k | "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux", |
2078 | 4.93k | "aarch64-suse-linux", "aarch64-linux-android"}; |
2079 | 4.93k | static const char *const AArch64beLibDirs[] = {"/lib"}; |
2080 | 4.93k | static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu", |
2081 | 4.93k | "aarch64_be-linux-gnu"}; |
2082 | | |
2083 | 4.93k | static const char *const ARMLibDirs[] = {"/lib"}; |
2084 | 4.93k | static const char *const ARMTriples[] = {"arm-linux-gnueabi", |
2085 | 4.93k | "arm-linux-androideabi"}; |
2086 | 4.93k | static const char *const ARMHFTriples[] = {"arm-linux-gnueabihf", |
2087 | 4.93k | "armv7hl-redhat-linux-gnueabi", |
2088 | 4.93k | "armv6hl-suse-linux-gnueabi", |
2089 | 4.93k | "armv7hl-suse-linux-gnueabi"}; |
2090 | 4.93k | static const char *const ARMebLibDirs[] = {"/lib"}; |
2091 | 4.93k | static const char *const ARMebTriples[] = {"armeb-linux-gnueabi", |
2092 | 4.93k | "armeb-linux-androideabi"}; |
2093 | 4.93k | static const char *const ARMebHFTriples[] = { |
2094 | 4.93k | "armeb-linux-gnueabihf", "armebv7hl-redhat-linux-gnueabi"}; |
2095 | | |
2096 | 4.93k | static const char *const AVRLibDirs[] = {"/lib"}; |
2097 | 4.93k | static const char *const AVRTriples[] = {"avr"}; |
2098 | | |
2099 | 4.93k | static const char *const X86_64LibDirs[] = {"/lib64", "/lib"}; |
2100 | 4.93k | static const char *const X86_64Triples[] = { |
2101 | 4.93k | "x86_64-linux-gnu", "x86_64-unknown-linux-gnu", |
2102 | 4.93k | "x86_64-pc-linux-gnu", "x86_64-redhat-linux6E", |
2103 | 4.93k | "x86_64-redhat-linux", "x86_64-suse-linux", |
2104 | 4.93k | "x86_64-manbo-linux-gnu", "x86_64-linux-gnu", |
2105 | 4.93k | "x86_64-slackware-linux", "x86_64-unknown-linux", |
2106 | 4.93k | "x86_64-amazon-linux", "x86_64-linux-android"}; |
2107 | 4.93k | static const char *const X32LibDirs[] = {"/libx32"}; |
2108 | 4.93k | static const char *const X86LibDirs[] = {"/lib32", "/lib"}; |
2109 | 4.93k | static const char *const X86Triples[] = { |
2110 | 4.93k | "i686-linux-gnu", "i686-pc-linux-gnu", "i486-linux-gnu", |
2111 | 4.93k | "i386-linux-gnu", "i386-redhat-linux6E", "i686-redhat-linux", |
2112 | 4.93k | "i586-redhat-linux", "i386-redhat-linux", "i586-suse-linux", |
2113 | 4.93k | "i486-slackware-linux", "i686-montavista-linux", "i586-linux-gnu", |
2114 | 4.93k | "i686-linux-android", "i386-gnu", "i486-gnu", |
2115 | 4.93k | "i586-gnu", "i686-gnu"}; |
2116 | | |
2117 | 4.93k | static const char *const MIPSLibDirs[] = {"/lib"}; |
2118 | 4.93k | static const char *const MIPSTriples[] = { |
2119 | 4.93k | "mips-linux-gnu", "mips-mti-linux", "mips-mti-linux-gnu", |
2120 | 4.93k | "mips-img-linux-gnu", "mipsisa32r6-linux-gnu"}; |
2121 | 4.93k | static const char *const MIPSELLibDirs[] = {"/lib"}; |
2122 | 4.93k | static const char *const MIPSELTriples[] = { |
2123 | 4.93k | "mipsel-linux-gnu", "mips-img-linux-gnu", "mipsisa32r6el-linux-gnu", |
2124 | 4.93k | "mipsel-linux-android"}; |
2125 | | |
2126 | 4.93k | static const char *const MIPS64LibDirs[] = {"/lib64", "/lib"}; |
2127 | 4.93k | static const char *const MIPS64Triples[] = { |
2128 | 4.93k | "mips64-linux-gnu", "mips-mti-linux-gnu", |
2129 | 4.93k | "mips-img-linux-gnu", "mips64-linux-gnuabi64", |
2130 | 4.93k | "mipsisa64r6-linux-gnu", "mipsisa64r6-linux-gnuabi64"}; |
2131 | 4.93k | static const char *const MIPS64ELLibDirs[] = {"/lib64", "/lib"}; |
2132 | 4.93k | static const char *const MIPS64ELTriples[] = { |
2133 | 4.93k | "mips64el-linux-gnu", "mips-mti-linux-gnu", |
2134 | 4.93k | "mips-img-linux-gnu", "mips64el-linux-gnuabi64", |
2135 | 4.93k | "mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64", |
2136 | 4.93k | "mips64el-linux-android"}; |
2137 | | |
2138 | 4.93k | static const char *const MIPSN32LibDirs[] = {"/lib32"}; |
2139 | 4.93k | static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32", |
2140 | 4.93k | "mipsisa64r6-linux-gnuabin32"}; |
2141 | 4.93k | static const char *const MIPSN32ELLibDirs[] = {"/lib32"}; |
2142 | 4.93k | static const char *const MIPSN32ELTriples[] = { |
2143 | 4.93k | "mips64el-linux-gnuabin32", "mipsisa64r6el-linux-gnuabin32"}; |
2144 | | |
2145 | 4.93k | static const char *const MSP430LibDirs[] = {"/lib"}; |
2146 | 4.93k | static const char *const MSP430Triples[] = {"msp430-elf"}; |
2147 | | |
2148 | 4.93k | static const char *const PPCLibDirs[] = {"/lib32", "/lib"}; |
2149 | 4.93k | static const char *const PPCTriples[] = { |
2150 | 4.93k | "powerpc-linux-gnu", "powerpc-unknown-linux-gnu", "powerpc-linux-gnuspe", |
2151 | | // On 32-bit PowerPC systems running SUSE Linux, gcc is configured as a |
2152 | | // 64-bit compiler which defaults to "-m32", hence "powerpc64-suse-linux". |
2153 | 4.93k | "powerpc64-suse-linux", "powerpc-montavista-linuxspe"}; |
2154 | 4.93k | static const char *const PPCLELibDirs[] = {"/lib32", "/lib"}; |
2155 | 4.93k | static const char *const PPCLETriples[] = {"powerpcle-linux-gnu", |
2156 | 4.93k | "powerpcle-unknown-linux-gnu", |
2157 | 4.93k | "powerpcle-linux-musl"}; |
2158 | | |
2159 | 4.93k | static const char *const PPC64LibDirs[] = {"/lib64", "/lib"}; |
2160 | 4.93k | static const char *const PPC64Triples[] = { |
2161 | 4.93k | "powerpc64-linux-gnu", "powerpc64-unknown-linux-gnu", |
2162 | 4.93k | "powerpc64-suse-linux", "ppc64-redhat-linux"}; |
2163 | 4.93k | static const char *const PPC64LELibDirs[] = {"/lib64", "/lib"}; |
2164 | 4.93k | static const char *const PPC64LETriples[] = { |
2165 | 4.93k | "powerpc64le-linux-gnu", "powerpc64le-unknown-linux-gnu", |
2166 | 4.93k | "powerpc64le-none-linux-gnu", "powerpc64le-suse-linux", |
2167 | 4.93k | "ppc64le-redhat-linux"}; |
2168 | | |
2169 | 4.93k | static const char *const RISCV32LibDirs[] = {"/lib32", "/lib"}; |
2170 | 4.93k | static const char *const RISCV32Triples[] = {"riscv32-unknown-linux-gnu", |
2171 | 4.93k | "riscv32-linux-gnu", |
2172 | 4.93k | "riscv32-unknown-elf"}; |
2173 | 4.93k | static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"}; |
2174 | 4.93k | static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu", |
2175 | 4.93k | "riscv64-linux-gnu", |
2176 | 4.93k | "riscv64-unknown-elf", |
2177 | 4.93k | "riscv64-redhat-linux", |
2178 | 4.93k | "riscv64-suse-linux"}; |
2179 | | |
2180 | 4.93k | static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"}; |
2181 | 4.93k | static const char *const SPARCv8Triples[] = {"sparc-linux-gnu", |
2182 | 4.93k | "sparcv8-linux-gnu"}; |
2183 | 4.93k | static const char *const SPARCv9LibDirs[] = {"/lib64", "/lib"}; |
2184 | 4.93k | static const char *const SPARCv9Triples[] = {"sparc64-linux-gnu", |
2185 | 4.93k | "sparcv9-linux-gnu"}; |
2186 | | |
2187 | 4.93k | static const char *const SystemZLibDirs[] = {"/lib64", "/lib"}; |
2188 | 4.93k | static const char *const SystemZTriples[] = { |
2189 | 4.93k | "s390x-linux-gnu", "s390x-unknown-linux-gnu", "s390x-ibm-linux-gnu", |
2190 | 4.93k | "s390x-suse-linux", "s390x-redhat-linux"}; |
2191 | | |
2192 | | |
2193 | 4.93k | using std::begin; |
2194 | 4.93k | using std::end; |
2195 | | |
2196 | 4.93k | if (TargetTriple.getOS() == llvm::Triple::Solaris) { |
2197 | 36 | static const char *const SolarisLibDirs[] = {"/lib"}; |
2198 | 36 | static const char *const SolarisSparcV8Triples[] = { |
2199 | 36 | "sparc-sun-solaris2.11", "sparc-sun-solaris2.12"}; |
2200 | 36 | static const char *const SolarisSparcV9Triples[] = { |
2201 | 36 | "sparcv9-sun-solaris2.11", "sparcv9-sun-solaris2.12"}; |
2202 | 36 | static const char *const SolarisX86Triples[] = {"i386-pc-solaris2.11", |
2203 | 36 | "i386-pc-solaris2.12"}; |
2204 | 36 | static const char *const SolarisX86_64Triples[] = {"x86_64-pc-solaris2.11", |
2205 | 36 | "x86_64-pc-solaris2.12"}; |
2206 | 36 | LibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs)); |
2207 | 36 | BiarchLibDirs.append(begin(SolarisLibDirs), end(SolarisLibDirs)); |
2208 | 36 | switch (TargetTriple.getArch()) { |
2209 | 11 | case llvm::Triple::x86: |
2210 | 11 | TripleAliases.append(begin(SolarisX86Triples), end(SolarisX86Triples)); |
2211 | 11 | BiarchTripleAliases.append(begin(SolarisX86_64Triples), |
2212 | 11 | end(SolarisX86_64Triples)); |
2213 | 11 | break; |
2214 | 3 | case llvm::Triple::x86_64: |
2215 | 3 | TripleAliases.append(begin(SolarisX86_64Triples), |
2216 | 3 | end(SolarisX86_64Triples)); |
2217 | 3 | BiarchTripleAliases.append(begin(SolarisX86Triples), |
2218 | 3 | end(SolarisX86Triples)); |
2219 | 3 | break; |
2220 | 20 | case llvm::Triple::sparc: |
2221 | 20 | TripleAliases.append(begin(SolarisSparcV8Triples), |
2222 | 20 | end(SolarisSparcV8Triples)); |
2223 | 20 | BiarchTripleAliases.append(begin(SolarisSparcV9Triples), |
2224 | 20 | end(SolarisSparcV9Triples)); |
2225 | 20 | break; |
2226 | 2 | case llvm::Triple::sparcv9: |
2227 | 2 | TripleAliases.append(begin(SolarisSparcV9Triples), |
2228 | 2 | end(SolarisSparcV9Triples)); |
2229 | 2 | BiarchTripleAliases.append(begin(SolarisSparcV8Triples), |
2230 | 2 | end(SolarisSparcV8Triples)); |
2231 | 2 | break; |
2232 | 0 | default: |
2233 | 0 | break; |
2234 | 36 | } |
2235 | 36 | return; |
2236 | 36 | } |
2237 | | |
2238 | | // Android targets should not use GNU/Linux tools or libraries. |
2239 | 4.89k | if (TargetTriple.isAndroid()) { |
2240 | 223 | static const char *const AArch64AndroidTriples[] = { |
2241 | 223 | "aarch64-linux-android"}; |
2242 | 223 | static const char *const ARMAndroidTriples[] = {"arm-linux-androideabi"}; |
2243 | 223 | static const char *const MIPSELAndroidTriples[] = {"mipsel-linux-android"}; |
2244 | 223 | static const char *const MIPS64ELAndroidTriples[] = { |
2245 | 223 | "mips64el-linux-android"}; |
2246 | 223 | static const char *const X86AndroidTriples[] = {"i686-linux-android"}; |
2247 | 223 | static const char *const X86_64AndroidTriples[] = {"x86_64-linux-android"}; |
2248 | | |
2249 | 223 | switch (TargetTriple.getArch()) { |
2250 | 49 | case llvm::Triple::aarch64: |
2251 | 49 | LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); |
2252 | 49 | TripleAliases.append(begin(AArch64AndroidTriples), |
2253 | 49 | end(AArch64AndroidTriples)); |
2254 | 49 | break; |
2255 | 99 | case llvm::Triple::arm: |
2256 | 101 | case llvm::Triple::thumb: |
2257 | 101 | LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs)); |
2258 | 101 | TripleAliases.append(begin(ARMAndroidTriples), end(ARMAndroidTriples)); |
2259 | 101 | break; |
2260 | 22 | case llvm::Triple::mipsel: |
2261 | 22 | LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); |
2262 | 22 | TripleAliases.append(begin(MIPSELAndroidTriples), |
2263 | 22 | end(MIPSELAndroidTriples)); |
2264 | 22 | BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); |
2265 | 22 | BiarchTripleAliases.append(begin(MIPS64ELAndroidTriples), |
2266 | 22 | end(MIPS64ELAndroidTriples)); |
2267 | 22 | break; |
2268 | 10 | case llvm::Triple::mips64el: |
2269 | 10 | LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); |
2270 | 10 | TripleAliases.append(begin(MIPS64ELAndroidTriples), |
2271 | 10 | end(MIPS64ELAndroidTriples)); |
2272 | 10 | BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); |
2273 | 10 | BiarchTripleAliases.append(begin(MIPSELAndroidTriples), |
2274 | 10 | end(MIPSELAndroidTriples)); |
2275 | 10 | break; |
2276 | 17 | case llvm::Triple::x86_64: |
2277 | 17 | LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); |
2278 | 17 | TripleAliases.append(begin(X86_64AndroidTriples), |
2279 | 17 | end(X86_64AndroidTriples)); |
2280 | 17 | BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs)); |
2281 | 17 | BiarchTripleAliases.append(begin(X86AndroidTriples), |
2282 | 17 | end(X86AndroidTriples)); |
2283 | 17 | break; |
2284 | 24 | case llvm::Triple::x86: |
2285 | 24 | LibDirs.append(begin(X86LibDirs), end(X86LibDirs)); |
2286 | 24 | TripleAliases.append(begin(X86AndroidTriples), end(X86AndroidTriples)); |
2287 | 24 | BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); |
2288 | 24 | BiarchTripleAliases.append(begin(X86_64AndroidTriples), |
2289 | 24 | end(X86_64AndroidTriples)); |
2290 | 24 | break; |
2291 | 0 | default: |
2292 | 0 | break; |
2293 | 223 | } |
2294 | | |
2295 | 223 | return; |
2296 | 223 | } |
2297 | | |
2298 | 4.67k | switch (TargetTriple.getArch()) { |
2299 | 211 | case llvm::Triple::aarch64: |
2300 | 211 | LibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); |
2301 | 211 | TripleAliases.append(begin(AArch64Triples), end(AArch64Triples)); |
2302 | 211 | BiarchLibDirs.append(begin(AArch64LibDirs), end(AArch64LibDirs)); |
2303 | 211 | BiarchTripleAliases.append(begin(AArch64Triples), end(AArch64Triples)); |
2304 | 211 | break; |
2305 | 8 | case llvm::Triple::aarch64_be: |
2306 | 8 | LibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs)); |
2307 | 8 | TripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples)); |
2308 | 8 | BiarchLibDirs.append(begin(AArch64beLibDirs), end(AArch64beLibDirs)); |
2309 | 8 | BiarchTripleAliases.append(begin(AArch64beTriples), end(AArch64beTriples)); |
2310 | 8 | break; |
2311 | 447 | case llvm::Triple::arm: |
2312 | 459 | case llvm::Triple::thumb: |
2313 | 459 | LibDirs.append(begin(ARMLibDirs), end(ARMLibDirs)); |
2314 | 459 | if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) { |
2315 | 46 | TripleAliases.append(begin(ARMHFTriples), end(ARMHFTriples)); |
2316 | 413 | } else { |
2317 | 413 | TripleAliases.append(begin(ARMTriples), end(ARMTriples)); |
2318 | 413 | } |
2319 | 459 | break; |
2320 | 43 | case llvm::Triple::armeb: |
2321 | 54 | case llvm::Triple::thumbeb: |
2322 | 54 | LibDirs.append(begin(ARMebLibDirs), end(ARMebLibDirs)); |
2323 | 54 | if (TargetTriple.getEnvironment() == llvm::Triple::GNUEABIHF) { |
2324 | 2 | TripleAliases.append(begin(ARMebHFTriples), end(ARMebHFTriples)); |
2325 | 52 | } else { |
2326 | 52 | TripleAliases.append(begin(ARMebTriples), end(ARMebTriples)); |
2327 | 52 | } |
2328 | 54 | break; |
2329 | 28 | case llvm::Triple::avr: |
2330 | 28 | LibDirs.append(begin(AVRLibDirs), end(AVRLibDirs)); |
2331 | 28 | TripleAliases.append(begin(AVRTriples), end(AVRTriples)); |
2332 | 28 | break; |
2333 | 2.24k | case llvm::Triple::x86_64: |
2334 | 2.24k | LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); |
2335 | 2.24k | TripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); |
2336 | | // x32 is always available when x86_64 is available, so adding it as |
2337 | | // secondary arch with x86_64 triples |
2338 | 2.24k | if (TargetTriple.getEnvironment() == llvm::Triple::GNUX32) { |
2339 | 11 | BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs)); |
2340 | 11 | BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); |
2341 | 2.23k | } else { |
2342 | 2.23k | BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs)); |
2343 | 2.23k | BiarchTripleAliases.append(begin(X86Triples), end(X86Triples)); |
2344 | 2.23k | } |
2345 | 2.24k | break; |
2346 | 467 | case llvm::Triple::x86: |
2347 | 467 | LibDirs.append(begin(X86LibDirs), end(X86LibDirs)); |
2348 | | // MCU toolchain is 32 bit only and its triple alias is TargetTriple |
2349 | | // itself, which will be appended below. |
2350 | 467 | if (!TargetTriple.isOSIAMCU()) { |
2351 | 458 | TripleAliases.append(begin(X86Triples), end(X86Triples)); |
2352 | 458 | BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs)); |
2353 | 458 | BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples)); |
2354 | 458 | } |
2355 | 467 | break; |
2356 | 316 | case llvm::Triple::mips: |
2357 | 316 | LibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs)); |
2358 | 316 | TripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); |
2359 | 316 | BiarchLibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs)); |
2360 | 316 | BiarchTripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples)); |
2361 | 316 | BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs)); |
2362 | 316 | BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples)); |
2363 | 316 | break; |
2364 | 79 | case llvm::Triple::mipsel: |
2365 | 79 | LibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); |
2366 | 79 | TripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples)); |
2367 | 79 | TripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); |
2368 | 79 | BiarchLibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); |
2369 | 79 | BiarchTripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples)); |
2370 | 79 | BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs)); |
2371 | 79 | BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples)); |
2372 | 79 | break; |
2373 | 106 | case llvm::Triple::mips64: |
2374 | 106 | LibDirs.append(begin(MIPS64LibDirs), end(MIPS64LibDirs)); |
2375 | 106 | TripleAliases.append(begin(MIPS64Triples), end(MIPS64Triples)); |
2376 | 106 | BiarchLibDirs.append(begin(MIPSLibDirs), end(MIPSLibDirs)); |
2377 | 106 | BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); |
2378 | 106 | BiarchLibDirs.append(begin(MIPSN32LibDirs), end(MIPSN32LibDirs)); |
2379 | 106 | BiarchTripleAliases.append(begin(MIPSN32Triples), end(MIPSN32Triples)); |
2380 | 106 | break; |
2381 | 66 | case llvm::Triple::mips64el: |
2382 | 66 | LibDirs.append(begin(MIPS64ELLibDirs), end(MIPS64ELLibDirs)); |
2383 | 66 | TripleAliases.append(begin(MIPS64ELTriples), end(MIPS64ELTriples)); |
2384 | 66 | BiarchLibDirs.append(begin(MIPSELLibDirs), end(MIPSELLibDirs)); |
2385 | 66 | BiarchTripleAliases.append(begin(MIPSELTriples), end(MIPSELTriples)); |
2386 | 66 | BiarchLibDirs.append(begin(MIPSN32ELLibDirs), end(MIPSN32ELLibDirs)); |
2387 | 66 | BiarchTripleAliases.append(begin(MIPSN32ELTriples), end(MIPSN32ELTriples)); |
2388 | 66 | BiarchTripleAliases.append(begin(MIPSTriples), end(MIPSTriples)); |
2389 | 66 | break; |
2390 | 51 | case llvm::Triple::msp430: |
2391 | 51 | LibDirs.append(begin(MSP430LibDirs), end(MSP430LibDirs)); |
2392 | 51 | TripleAliases.append(begin(MSP430Triples), end(MSP430Triples)); |
2393 | 51 | break; |
2394 | 32 | case llvm::Triple::ppc: |
2395 | 32 | LibDirs.append(begin(PPCLibDirs), end(PPCLibDirs)); |
2396 | 32 | TripleAliases.append(begin(PPCTriples), end(PPCTriples)); |
2397 | 32 | BiarchLibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs)); |
2398 | 32 | BiarchTripleAliases.append(begin(PPC64Triples), end(PPC64Triples)); |
2399 | 32 | break; |
2400 | 3 | case llvm::Triple::ppcle: |
2401 | 3 | LibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs)); |
2402 | 3 | TripleAliases.append(begin(PPCLETriples), end(PPCLETriples)); |
2403 | 3 | BiarchLibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs)); |
2404 | 3 | BiarchTripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples)); |
2405 | 3 | break; |
2406 | 106 | case llvm::Triple::ppc64: |
2407 | 106 | LibDirs.append(begin(PPC64LibDirs), end(PPC64LibDirs)); |
2408 | 106 | TripleAliases.append(begin(PPC64Triples), end(PPC64Triples)); |
2409 | 106 | BiarchLibDirs.append(begin(PPCLibDirs), end(PPCLibDirs)); |
2410 | 106 | BiarchTripleAliases.append(begin(PPCTriples), end(PPCTriples)); |
2411 | 106 | break; |
2412 | 143 | case llvm::Triple::ppc64le: |
2413 | 143 | LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs)); |
2414 | 143 | TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples)); |
2415 | 143 | BiarchLibDirs.append(begin(PPCLELibDirs), end(PPCLELibDirs)); |
2416 | 143 | BiarchTripleAliases.append(begin(PPCLETriples), end(PPCLETriples)); |
2417 | 143 | break; |
2418 | 49 | case llvm::Triple::riscv32: |
2419 | 49 | LibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs)); |
2420 | 49 | TripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples)); |
2421 | 49 | BiarchLibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs)); |
2422 | 49 | BiarchTripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples)); |
2423 | 49 | break; |
2424 | 45 | case llvm::Triple::riscv64: |
2425 | 45 | LibDirs.append(begin(RISCV64LibDirs), end(RISCV64LibDirs)); |
2426 | 45 | TripleAliases.append(begin(RISCV64Triples), end(RISCV64Triples)); |
2427 | 45 | BiarchLibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs)); |
2428 | 45 | BiarchTripleAliases.append(begin(RISCV32Triples), end(RISCV32Triples)); |
2429 | 45 | break; |
2430 | 23 | case llvm::Triple::sparc: |
2431 | 43 | case llvm::Triple::sparcel: |
2432 | 43 | LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs)); |
2433 | 43 | TripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples)); |
2434 | 43 | BiarchLibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs)); |
2435 | 43 | BiarchTripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples)); |
2436 | 43 | break; |
2437 | 16 | case llvm::Triple::sparcv9: |
2438 | 16 | LibDirs.append(begin(SPARCv9LibDirs), end(SPARCv9LibDirs)); |
2439 | 16 | TripleAliases.append(begin(SPARCv9Triples), end(SPARCv9Triples)); |
2440 | 16 | BiarchLibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs)); |
2441 | 16 | BiarchTripleAliases.append(begin(SPARCv8Triples), end(SPARCv8Triples)); |
2442 | 16 | break; |
2443 | 44 | case llvm::Triple::systemz: |
2444 | 44 | LibDirs.append(begin(SystemZLibDirs), end(SystemZLibDirs)); |
2445 | 44 | TripleAliases.append(begin(SystemZTriples), end(SystemZTriples)); |
2446 | 44 | break; |
2447 | 103 | default: |
2448 | | // By default, just rely on the standard lib directories and the original |
2449 | | // triple. |
2450 | 103 | break; |
2451 | 4.67k | } |
2452 | | |
2453 | | // Always append the drivers target triple to the end, in case it doesn't |
2454 | | // match any of our aliases. |
2455 | 4.67k | TripleAliases.push_back(TargetTriple.str()); |
2456 | | |
2457 | | // Also include the multiarch variant if it's different. |
2458 | 4.67k | if (TargetTriple.str() != BiarchTriple.str()) |
2459 | 4.67k | BiarchTripleAliases.push_back(BiarchTriple.str()); |
2460 | 4.67k | } |
2461 | | |
2462 | | bool Generic_GCC::GCCInstallationDetector::ScanGCCForMultilibs( |
2463 | | const llvm::Triple &TargetTriple, const ArgList &Args, |
2464 | 528 | StringRef Path, bool NeedsBiarchSuffix) { |
2465 | 528 | llvm::Triple::ArchType TargetArch = TargetTriple.getArch(); |
2466 | 528 | DetectedMultilibs Detected; |
2467 | | |
2468 | | // Android standalone toolchain could have multilibs for ARM and Thumb. |
2469 | | // Debian mips multilibs behave more like the rest of the biarch ones, |
2470 | | // so handle them there |
2471 | 528 | if (isArmOrThumbArch(TargetArch) && TargetTriple.isAndroid()33 ) { |
2472 | | // It should also work without multilibs in a simplified toolchain. |
2473 | 18 | findAndroidArmMultilibs(D, TargetTriple, Path, Args, Detected); |
2474 | 510 | } else if (TargetTriple.isMIPS()) { |
2475 | 183 | if (!findMIPSMultilibs(D, TargetTriple, Path, Args, Detected)) |
2476 | 0 | return false; |
2477 | 327 | } else if (TargetTriple.isRISCV()) { |
2478 | 36 | findRISCVMultilibs(D, TargetTriple, Path, Args, Detected); |
2479 | 291 | } else if (isMSP430(TargetArch)) { |
2480 | 13 | findMSP430Multilibs(D, TargetTriple, Path, Args, Detected); |
2481 | 278 | } else if (TargetArch == llvm::Triple::avr) { |
2482 | | // AVR has no multilibs. |
2483 | 278 | } else if (!findBiarchMultilibs(D, TargetTriple, Path, Args, |
2484 | 9 | NeedsBiarchSuffix, Detected)) { |
2485 | 9 | return false; |
2486 | 9 | } |
2487 | | |
2488 | 519 | Multilibs = Detected.Multilibs; |
2489 | 519 | SelectedMultilib = Detected.SelectedMultilib; |
2490 | 519 | BiarchSibling = Detected.BiarchSibling; |
2491 | | |
2492 | 519 | return true; |
2493 | 519 | } |
2494 | | |
2495 | | void Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple( |
2496 | | const llvm::Triple &TargetTriple, const ArgList &Args, |
2497 | | const std::string &LibDir, StringRef CandidateTriple, |
2498 | 144k | bool NeedsBiarchSuffix, bool GCCDirExists, bool GCCCrossDirExists) { |
2499 | 144k | llvm::Triple::ArchType TargetArch = TargetTriple.getArch(); |
2500 | | // Locations relative to the system lib directory where GCC's triple-specific |
2501 | | // directories might reside. |
2502 | 144k | struct GCCLibSuffix { |
2503 | | // Path from system lib directory to GCC triple-specific directory. |
2504 | 144k | std::string LibSuffix; |
2505 | | // Path from GCC triple-specific directory back to system lib directory. |
2506 | | // This is one '..' component per component in LibSuffix. |
2507 | 144k | StringRef ReversePath; |
2508 | | // Whether this library suffix is relevant for the triple. |
2509 | 144k | bool Active; |
2510 | 144k | } Suffixes[] = { |
2511 | | // This is the normal place. |
2512 | 144k | {"gcc/" + CandidateTriple.str(), "../..", GCCDirExists}, |
2513 | | |
2514 | | // Debian puts cross-compilers in gcc-cross. |
2515 | 144k | {"gcc-cross/" + CandidateTriple.str(), "../..", GCCCrossDirExists}, |
2516 | | |
2517 | | // The Freescale PPC SDK has the gcc libraries in |
2518 | | // <sysroot>/usr/lib/<triple>/x.y.z so have a look there as well. Only do |
2519 | | // this on Freescale triples, though, since some systems put a *lot* of |
2520 | | // files in that location, not just GCC installation data. |
2521 | 144k | {CandidateTriple.str(), "..", |
2522 | 144k | TargetTriple.getVendor() == llvm::Triple::Freescale || |
2523 | 144k | TargetTriple.getVendor() == llvm::Triple::OpenEmbedded}, |
2524 | | |
2525 | | // Natively multiarch systems sometimes put the GCC triple-specific |
2526 | | // directory within their multiarch lib directory, resulting in the |
2527 | | // triple appearing twice. |
2528 | 144k | {CandidateTriple.str() + "/gcc/" + CandidateTriple.str(), "../../..", |
2529 | 144k | TargetTriple.getOS() != llvm::Triple::Solaris}, |
2530 | | |
2531 | | // Deal with cases (on Ubuntu) where the system architecture could be i386 |
2532 | | // but the GCC target architecture could be (say) i686. |
2533 | | // FIXME: It may be worthwhile to generalize this and look for a second |
2534 | | // triple. |
2535 | 144k | {"i386-linux-gnu/gcc/" + CandidateTriple.str(), "../../..", |
2536 | 144k | (TargetArch == llvm::Triple::x86 && |
2537 | 30.9k | TargetTriple.getOS() != llvm::Triple::Solaris)}, |
2538 | 144k | {"i386-gnu/gcc/" + CandidateTriple.str(), "../../..", |
2539 | 144k | (TargetArch == llvm::Triple::x86 && |
2540 | 30.9k | TargetTriple.getOS() != llvm::Triple::Solaris)}}; |
2541 | | |
2542 | 867k | for (auto &Suffix : Suffixes) { |
2543 | 867k | if (!Suffix.Active) |
2544 | 651k | continue; |
2545 | | |
2546 | 216k | StringRef LibSuffix = Suffix.LibSuffix; |
2547 | 216k | std::error_code EC; |
2548 | 216k | for (llvm::vfs::directory_iterator |
2549 | 216k | LI = D.getVFS().dir_begin(LibDir + "/" + LibSuffix, EC), |
2550 | 216k | LE; |
2551 | 217k | !EC && LI != LE2.54k ; LI = LI.increment(EC)1.26k ) { |
2552 | 1.26k | StringRef VersionText = llvm::sys::path::filename(LI->path()); |
2553 | 1.26k | GCCVersion CandidateVersion = GCCVersion::Parse(VersionText); |
2554 | 1.26k | if (CandidateVersion.Major != -1) // Filter obviously bad entries. |
2555 | 1.26k | if (!CandidateGCCInstallPaths.insert(std::string(LI->path())).second) |
2556 | 582 | continue; // Saw this path before; no need to look at it again. |
2557 | 678 | if (CandidateVersion.isOlderThan(4, 1, 1)) |
2558 | 0 | continue; |
2559 | 678 | if (CandidateVersion <= Version) |
2560 | 159 | continue; |
2561 | | |
2562 | 519 | if (!ScanGCCForMultilibs(TargetTriple, Args, LI->path(), |
2563 | 519 | NeedsBiarchSuffix)) |
2564 | 9 | continue; |
2565 | | |
2566 | 510 | Version = CandidateVersion; |
2567 | 510 | GCCTriple.setTriple(CandidateTriple); |
2568 | | // FIXME: We hack together the directory name here instead of |
2569 | | // using LI to ensure stable path separators across Windows and |
2570 | | // Linux. |
2571 | 510 | GCCInstallPath = (LibDir + "/" + LibSuffix + "/" + VersionText).str(); |
2572 | 510 | GCCParentLibPath = (GCCInstallPath + "/../" + Suffix.ReversePath).str(); |
2573 | 510 | IsValid = true; |
2574 | 510 | } |
2575 | 216k | } |
2576 | 144k | } |
2577 | | |
2578 | | bool Generic_GCC::GCCInstallationDetector::ScanGentooConfigs( |
2579 | | const llvm::Triple &TargetTriple, const ArgList &Args, |
2580 | | const SmallVectorImpl<StringRef> &CandidateTriples, |
2581 | 4.71k | const SmallVectorImpl<StringRef> &CandidateBiarchTriples) { |
2582 | 4.71k | if (!D.getVFS().exists(D.SysRoot + GentooConfigDir)) |
2583 | 4.70k | return false; |
2584 | | |
2585 | 81 | for (StringRef CandidateTriple : CandidateTriples)9 { |
2586 | 81 | if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple)) |
2587 | 6 | return true; |
2588 | 81 | } |
2589 | | |
2590 | 9 | for (StringRef CandidateTriple : CandidateBiarchTriples)3 { |
2591 | 9 | if (ScanGentooGccConfig(TargetTriple, Args, CandidateTriple, true)) |
2592 | 3 | return true; |
2593 | 9 | } |
2594 | 0 | return false; |
2595 | 3 | } |
2596 | | |
2597 | | bool Generic_GCC::GCCInstallationDetector::ScanGentooGccConfig( |
2598 | | const llvm::Triple &TargetTriple, const ArgList &Args, |
2599 | 90 | StringRef CandidateTriple, bool NeedsBiarchSuffix) { |
2600 | 90 | llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> File = |
2601 | 90 | D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/config-" + |
2602 | 90 | CandidateTriple.str()); |
2603 | 90 | if (File) { |
2604 | 9 | SmallVector<StringRef, 2> Lines; |
2605 | 9 | File.get()->getBuffer().split(Lines, "\n"); |
2606 | 9 | for (StringRef Line : Lines) { |
2607 | 9 | Line = Line.trim(); |
2608 | | // CURRENT=triple-version |
2609 | 9 | if (!Line.consume_front("CURRENT=")) |
2610 | 0 | continue; |
2611 | | // Process the config file pointed to by CURRENT. |
2612 | 9 | llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>> ConfigFile = |
2613 | 9 | D.getVFS().getBufferForFile(D.SysRoot + GentooConfigDir + "/" + |
2614 | 9 | Line.str()); |
2615 | 9 | std::pair<StringRef, StringRef> ActiveVersion = Line.rsplit('-'); |
2616 | | // List of paths to scan for libraries. |
2617 | 9 | SmallVector<StringRef, 4> GentooScanPaths; |
2618 | | // Scan the Config file to find installed GCC libraries path. |
2619 | | // Typical content of the GCC config file: |
2620 | | // LDPATH="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x:/usr/lib/gcc/ |
2621 | | // (continued from previous line) x86_64-pc-linux-gnu/4.9.x/32" |
2622 | | // MANPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/man" |
2623 | | // INFOPATH="/usr/share/gcc-data/x86_64-pc-linux-gnu/4.9.x/info" |
2624 | | // STDCXX_INCDIR="/usr/lib/gcc/x86_64-pc-linux-gnu/4.9.x/include/g++-v4" |
2625 | | // We are looking for the paths listed in LDPATH=... . |
2626 | 9 | if (ConfigFile) { |
2627 | 9 | SmallVector<StringRef, 2> ConfigLines; |
2628 | 9 | ConfigFile.get()->getBuffer().split(ConfigLines, "\n"); |
2629 | 99 | for (StringRef ConfLine : ConfigLines) { |
2630 | 99 | ConfLine = ConfLine.trim(); |
2631 | 99 | if (ConfLine.consume_front("LDPATH=")) { |
2632 | | // Drop '"' from front and back if present. |
2633 | 9 | ConfLine.consume_back("\""); |
2634 | 9 | ConfLine.consume_front("\""); |
2635 | | // Get all paths sperated by ':' |
2636 | 9 | ConfLine.split(GentooScanPaths, ':', -1, /*AllowEmpty*/ false); |
2637 | 9 | } |
2638 | 99 | } |
2639 | 9 | } |
2640 | | // Test the path based on the version in /etc/env.d/gcc/config-{tuple}. |
2641 | 9 | std::string basePath = "/usr/lib/gcc/" + ActiveVersion.first.str() + "/" |
2642 | 9 | + ActiveVersion.second.str(); |
2643 | 9 | GentooScanPaths.push_back(StringRef(basePath)); |
2644 | | |
2645 | | // Scan all paths for GCC libraries. |
2646 | 9 | for (const auto &GentooScanPath : GentooScanPaths) { |
2647 | 9 | std::string GentooPath = D.SysRoot + std::string(GentooScanPath); |
2648 | 9 | if (D.getVFS().exists(GentooPath + "/crtbegin.o")) { |
2649 | 9 | if (!ScanGCCForMultilibs(TargetTriple, Args, GentooPath, |
2650 | 9 | NeedsBiarchSuffix)) |
2651 | 0 | continue; |
2652 | | |
2653 | 9 | Version = GCCVersion::Parse(ActiveVersion.second); |
2654 | 9 | GCCInstallPath = GentooPath; |
2655 | 9 | GCCParentLibPath = GentooPath + std::string("/../../.."); |
2656 | 9 | GCCTriple.setTriple(ActiveVersion.first); |
2657 | 9 | IsValid = true; |
2658 | 9 | return true; |
2659 | 9 | } |
2660 | 9 | } |
2661 | 9 | } |
2662 | 9 | } |
2663 | | |
2664 | 81 | return false; |
2665 | 90 | } |
2666 | | |
2667 | | Generic_GCC::Generic_GCC(const Driver &D, const llvm::Triple &Triple, |
2668 | | const ArgList &Args) |
2669 | | : ToolChain(D, Triple, Args), GCCInstallation(D), |
2670 | 16.9k | CudaInstallation(D, Triple, Args), RocmInstallation(D, Triple, Args) { |
2671 | 16.9k | getProgramPaths().push_back(getDriver().getInstalledDir()); |
2672 | 16.9k | if (getDriver().getInstalledDir() != getDriver().Dir) |
2673 | 13 | getProgramPaths().push_back(getDriver().Dir); |
2674 | 16.9k | } |
2675 | | |
2676 | 16.9k | Generic_GCC::~Generic_GCC() {} |
2677 | | |
2678 | 3.33k | Tool *Generic_GCC::getTool(Action::ActionClass AC) const { |
2679 | 3.33k | switch (AC) { |
2680 | 0 | case Action::PreprocessJobClass: |
2681 | 0 | if (!Preprocess) |
2682 | 0 | Preprocess.reset(new clang::driver::tools::gcc::Preprocessor(*this)); |
2683 | 0 | return Preprocess.get(); |
2684 | 4 | case Action::CompileJobClass: |
2685 | 4 | if (!Compile) |
2686 | 4 | Compile.reset(new tools::gcc::Compiler(*this)); |
2687 | 4 | return Compile.get(); |
2688 | 3.32k | default: |
2689 | 3.32k | return ToolChain::getTool(AC); |
2690 | 3.33k | } |
2691 | 3.33k | } |
2692 | | |
2693 | 143 | Tool *Generic_GCC::buildAssembler() const { |
2694 | 143 | return new tools::gnutools::Assembler(*this); |
2695 | 143 | } |
2696 | | |
2697 | 284 | Tool *Generic_GCC::buildLinker() const { return new tools::gcc::Linker(*this); } |
2698 | | |
2699 | 105 | void Generic_GCC::printVerboseInfo(raw_ostream &OS) const { |
2700 | | // Print the information about how we detected the GCC installation. |
2701 | 105 | GCCInstallation.print(OS); |
2702 | 105 | CudaInstallation.print(OS); |
2703 | 105 | RocmInstallation.print(OS); |
2704 | 105 | } |
2705 | | |
2706 | 16.3k | bool Generic_GCC::IsUnwindTablesDefault(const ArgList &Args) const { |
2707 | 16.3k | switch (getArch()) { |
2708 | 867 | case llvm::Triple::aarch64: |
2709 | 912 | case llvm::Triple::ppc: |
2710 | 918 | case llvm::Triple::ppcle: |
2711 | 1.03k | case llvm::Triple::ppc64: |
2712 | 1.20k | case llvm::Triple::ppc64le: |
2713 | 3.74k | case llvm::Triple::x86_64: |
2714 | 3.74k | return true; |
2715 | 12.5k | default: |
2716 | 12.5k | return false; |
2717 | 16.3k | } |
2718 | 16.3k | } |
2719 | | |
2720 | 17.2k | bool Generic_GCC::isPICDefault() const { |
2721 | 17.2k | switch (getArch()) { |
2722 | 2.53k | case llvm::Triple::x86_64: |
2723 | 2.53k | return getTriple().isOSWindows(); |
2724 | 288 | case llvm::Triple::mips64: |
2725 | 442 | case llvm::Triple::mips64el: |
2726 | 442 | return true; |
2727 | 14.3k | default: |
2728 | 14.3k | return false; |
2729 | 17.2k | } |
2730 | 17.2k | } |
2731 | | |
2732 | 11.9k | bool Generic_GCC::isPIEDefault() const { return false; } |
2733 | | |
2734 | 17.7k | bool Generic_GCC::isPICDefaultForced() const { |
2735 | 17.7k | return getArch() == llvm::Triple::x86_64 && getTriple().isOSWindows()2.75k ; |
2736 | 17.7k | } |
2737 | | |
2738 | 98.7k | bool Generic_GCC::IsIntegratedAssemblerDefault() const { |
2739 | 98.7k | switch (getTriple().getArch()) { |
2740 | 58.1k | case llvm::Triple::x86: |
2741 | 74.5k | case llvm::Triple::x86_64: |
2742 | 79.4k | case llvm::Triple::aarch64: |
2743 | 80.4k | case llvm::Triple::aarch64_be: |
2744 | 86.2k | case llvm::Triple::arm: |
2745 | 86.9k | case llvm::Triple::armeb: |
2746 | 87.5k | case llvm::Triple::avr: |
2747 | 87.6k | case llvm::Triple::bpfel: |
2748 | 87.7k | case llvm::Triple::bpfeb: |
2749 | 87.8k | case llvm::Triple::thumb: |
2750 | 87.9k | case llvm::Triple::thumbeb: |
2751 | 88.3k | case llvm::Triple::ppc: |
2752 | 88.3k | case llvm::Triple::ppcle: |
2753 | 89.2k | case llvm::Triple::ppc64: |
2754 | 90.3k | case llvm::Triple::ppc64le: |
2755 | 90.5k | case llvm::Triple::riscv32: |
2756 | 90.7k | case llvm::Triple::riscv64: |
2757 | 91.1k | case llvm::Triple::systemz: |
2758 | 92.9k | case llvm::Triple::mips: |
2759 | 93.6k | case llvm::Triple::mipsel: |
2760 | 94.5k | case llvm::Triple::mips64: |
2761 | 95.1k | case llvm::Triple::mips64el: |
2762 | 95.5k | case llvm::Triple::msp430: |
2763 | 95.5k | return true; |
2764 | 929 | case llvm::Triple::sparc: |
2765 | 1.06k | case llvm::Triple::sparcel: |
2766 | 1.55k | case llvm::Triple::sparcv9: |
2767 | 1.55k | if (getTriple().isOSFreeBSD() || getTriple().isOSOpenBSD()1.52k || |
2768 | 1.50k | getTriple().isOSSolaris()) |
2769 | 194 | return true; |
2770 | 1.35k | return false; |
2771 | 1.67k | default: |
2772 | 1.67k | return false; |
2773 | 98.7k | } |
2774 | 98.7k | } |
2775 | | |
2776 | | static void addMultilibsFilePaths(const Driver &D, const MultilibSet &Multilibs, |
2777 | | const Multilib &Multilib, |
2778 | | StringRef InstallPath, |
2779 | 441 | ToolChain::path_list &Paths) { |
2780 | 441 | if (const auto &PathsCallback = Multilibs.filePathsCallback()) |
2781 | 28 | for (const auto &Path : PathsCallback(Multilib)) |
2782 | 28 | addPathIfExists(D, InstallPath + Path, Paths); |
2783 | 441 | } |
2784 | | |
2785 | 4.76k | void Generic_GCC::PushPPaths(ToolChain::path_list &PPaths) { |
2786 | | // Cross-compiling binutils and GCC installations (vanilla and openSUSE at |
2787 | | // least) put various tools in a triple-prefixed directory off of the parent |
2788 | | // of the GCC installation. We use the GCC triple here to ensure that we end |
2789 | | // up with tools that support the same amount of cross compiling as the |
2790 | | // detected GCC installation. For example, if we find a GCC installation |
2791 | | // targeting x86_64, but it is a bi-arch GCC installation, it can also be |
2792 | | // used to target i386. |
2793 | 4.76k | if (GCCInstallation.isValid()) { |
2794 | 441 | PPaths.push_back(Twine(GCCInstallation.getParentLibPath() + "/../" + |
2795 | 441 | GCCInstallation.getTriple().str() + "/bin") |
2796 | 441 | .str()); |
2797 | 441 | } |
2798 | 4.76k | } |
2799 | | |
2800 | | void Generic_GCC::AddMultilibPaths(const Driver &D, |
2801 | | const std::string &SysRoot, |
2802 | | const std::string &OSLibDir, |
2803 | | const std::string &MultiarchTriple, |
2804 | 4.76k | path_list &Paths) { |
2805 | | // Add the multilib suffixed paths where they are available. |
2806 | 4.76k | if (GCCInstallation.isValid()) { |
2807 | 441 | const llvm::Triple &GCCTriple = GCCInstallation.getTriple(); |
2808 | 441 | const std::string &LibPath = |
2809 | 441 | std::string(GCCInstallation.getParentLibPath()); |
2810 | | |
2811 | | // Add toolchain / multilib specific file paths. |
2812 | 441 | addMultilibsFilePaths(D, Multilibs, SelectedMultilib, |
2813 | 441 | GCCInstallation.getInstallPath(), Paths); |
2814 | | |
2815 | | // Sourcery CodeBench MIPS toolchain holds some libraries under |
2816 | | // a biarch-like suffix of the GCC installation. |
2817 | 441 | addPathIfExists( |
2818 | 441 | D, GCCInstallation.getInstallPath() + SelectedMultilib.gccSuffix(), |
2819 | 441 | Paths); |
2820 | | |
2821 | | // GCC cross compiling toolchains will install target libraries which ship |
2822 | | // as part of the toolchain under <prefix>/<triple>/<libdir> rather than as |
2823 | | // any part of the GCC installation in |
2824 | | // <prefix>/<libdir>/gcc/<triple>/<version>. This decision is somewhat |
2825 | | // debatable, but is the reality today. We need to search this tree even |
2826 | | // when we have a sysroot somewhere else. It is the responsibility of |
2827 | | // whomever is doing the cross build targeting a sysroot using a GCC |
2828 | | // installation that is *not* within the system root to ensure two things: |
2829 | | // |
2830 | | // 1) Any DSOs that are linked in from this tree or from the install path |
2831 | | // above must be present on the system root and found via an |
2832 | | // appropriate rpath. |
2833 | | // 2) There must not be libraries installed into |
2834 | | // <prefix>/<triple>/<libdir> unless they should be preferred over |
2835 | | // those within the system root. |
2836 | | // |
2837 | | // Note that this matches the GCC behavior. See the below comment for where |
2838 | | // Clang diverges from GCC's behavior. |
2839 | 441 | addPathIfExists(D, |
2840 | 441 | LibPath + "/../" + GCCTriple.str() + "/lib/../" + OSLibDir + |
2841 | 441 | SelectedMultilib.osSuffix(), |
2842 | 441 | Paths); |
2843 | | |
2844 | | // If the GCC installation we found is inside of the sysroot, we want to |
2845 | | // prefer libraries installed in the parent prefix of the GCC installation. |
2846 | | // It is important to *not* use these paths when the GCC installation is |
2847 | | // outside of the system root as that can pick up unintended libraries. |
2848 | | // This usually happens when there is an external cross compiler on the |
2849 | | // host system, and a more minimal sysroot available that is the target of |
2850 | | // the cross. Note that GCC does include some of these directories in some |
2851 | | // configurations but this seems somewhere between questionable and simply |
2852 | | // a bug. |
2853 | 441 | if (StringRef(LibPath).startswith(SysRoot)) { |
2854 | 241 | addPathIfExists(D, LibPath + "/" + MultiarchTriple, Paths); |
2855 | 241 | addPathIfExists(D, LibPath + "/../" + OSLibDir, Paths); |
2856 | 241 | } |
2857 | 441 | } |
2858 | 4.76k | } |
2859 | | |
2860 | | void Generic_GCC::AddMultiarchPaths(const Driver &D, |
2861 | | const std::string &SysRoot, |
2862 | | const std::string &OSLibDir, |
2863 | 4.76k | path_list &Paths) { |
2864 | | // Try walking via the GCC triple path in case of biarch or multiarch GCC |
2865 | | // installations with strange symlinks. |
2866 | 4.76k | if (GCCInstallation.isValid()) { |
2867 | 441 | addPathIfExists(D, |
2868 | 441 | SysRoot + "/usr/lib/" + GCCInstallation.getTriple().str() + |
2869 | 441 | "/../../" + OSLibDir, |
2870 | 441 | Paths); |
2871 | | |
2872 | | // Add the 'other' biarch variant path |
2873 | 441 | Multilib BiarchSibling; |
2874 | 441 | if (GCCInstallation.getBiarchSibling(BiarchSibling)) { |
2875 | 37 | addPathIfExists( |
2876 | 37 | D, GCCInstallation.getInstallPath() + BiarchSibling.gccSuffix(), |
2877 | 37 | Paths); |
2878 | 37 | } |
2879 | | |
2880 | | // See comments above on the multilib variant for details of why this is |
2881 | | // included even from outside the sysroot. |
2882 | 441 | const std::string &LibPath = |
2883 | 441 | std::string(GCCInstallation.getParentLibPath()); |
2884 | 441 | const llvm::Triple &GCCTriple = GCCInstallation.getTriple(); |
2885 | 441 | const Multilib &Multilib = GCCInstallation.getMultilib(); |
2886 | 441 | addPathIfExists( |
2887 | 441 | D, LibPath + "/../" + GCCTriple.str() + "/lib" + Multilib.osSuffix(), |
2888 | 441 | Paths); |
2889 | | |
2890 | | // See comments above on the multilib variant for details of why this is |
2891 | | // only included from within the sysroot. |
2892 | 441 | if (StringRef(LibPath).startswith(SysRoot)) |
2893 | 241 | addPathIfExists(D, LibPath, Paths); |
2894 | 441 | } |
2895 | 4.76k | } |
2896 | | |
2897 | | void Generic_GCC::AddMultilibIncludeArgs(const ArgList &DriverArgs, |
2898 | 5.36k | ArgStringList &CC1Args) const { |
2899 | | // Add include directories specific to the selected multilib set and multilib. |
2900 | 5.36k | if (GCCInstallation.isValid()) { |
2901 | 448 | const auto &Callback = Multilibs.includeDirsCallback(); |
2902 | 448 | if (Callback) { |
2903 | 163 | for (const auto &Path : Callback(GCCInstallation.getMultilib())) |
2904 | 298 | addExternCSystemIncludeIfExists( |
2905 | 298 | DriverArgs, CC1Args, GCCInstallation.getInstallPath() + Path); |
2906 | 163 | } |
2907 | 448 | } |
2908 | 5.36k | } |
2909 | | |
2910 | | void Generic_GCC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, |
2911 | 10.5k | ArgStringList &CC1Args) const { |
2912 | 10.5k | if (DriverArgs.hasArg(options::OPT_nostdlibinc) || |
2913 | 10.5k | DriverArgs.hasArg(options::OPT_nostdincxx)) |
2914 | 19 | return; |
2915 | | |
2916 | 10.4k | switch (GetCXXStdlibType(DriverArgs)) { |
2917 | 95 | case ToolChain::CST_Libcxx: |
2918 | 95 | addLibCxxIncludePaths(DriverArgs, CC1Args); |
2919 | 95 | break; |
2920 | | |
2921 | 10.4k | case ToolChain::CST_Libstdcxx: |
2922 | 10.4k | addLibStdCxxIncludePaths(DriverArgs, CC1Args); |
2923 | 10.4k | break; |
2924 | 10.4k | } |
2925 | 10.4k | } |
2926 | | |
2927 | | static std::string DetectLibcxxIncludePath(llvm::vfs::FileSystem &vfs, |
2928 | 67 | StringRef base) { |
2929 | 67 | std::error_code EC; |
2930 | 67 | int MaxVersion = 0; |
2931 | 67 | std::string MaxVersionString; |
2932 | 67 | for (llvm::vfs::directory_iterator LI = vfs.dir_begin(base, EC), LE; |
2933 | 96 | !EC && LI != LE54 ; LI = LI.increment(EC)29 ) { |
2934 | 29 | StringRef VersionText = llvm::sys::path::filename(LI->path()); |
2935 | 29 | int Version; |
2936 | 29 | if (VersionText[0] == 'v' && |
2937 | 28 | !VersionText.slice(1, StringRef::npos).getAsInteger(10, Version)) { |
2938 | 28 | if (Version > MaxVersion) { |
2939 | 28 | MaxVersion = Version; |
2940 | 28 | MaxVersionString = std::string(VersionText); |
2941 | 28 | } |
2942 | 28 | } |
2943 | 29 | } |
2944 | 42 | return MaxVersion ? (base + "/" + MaxVersionString).str()25 : ""; |
2945 | 67 | } |
2946 | | |
2947 | | void |
2948 | | Generic_GCC::addLibCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, |
2949 | 34 | llvm::opt::ArgStringList &CC1Args) const { |
2950 | 67 | auto AddIncludePath = [&](std::string Path) { |
2951 | 67 | std::string IncludePath = DetectLibcxxIncludePath(getVFS(), Path); |
2952 | 67 | if (IncludePath.empty() || !getVFS().exists(IncludePath)25 ) |
2953 | 42 | return false; |
2954 | 25 | addSystemInclude(DriverArgs, CC1Args, IncludePath); |
2955 | 25 | return true; |
2956 | 25 | }; |
2957 | | // Android never uses the libc++ headers installed alongside the toolchain, |
2958 | | // which are generally incompatible with the NDK libraries anyway. |
2959 | 34 | if (!getTriple().isAndroid()) |
2960 | 11 | if (AddIncludePath(getDriver().Dir + "/../include/c++")) |
2961 | 6 | return; |
2962 | | // If this is a development, non-installed, clang, libcxx will |
2963 | | // not be found at ../include/c++ but it likely to be found at |
2964 | | // one of the following two locations: |
2965 | 28 | std::string SysRoot = computeSysRoot(); |
2966 | 28 | if (AddIncludePath(SysRoot + "/usr/local/include/c++")) |
2967 | 0 | return; |
2968 | 28 | if (AddIncludePath(SysRoot + "/usr/include/c++")) |
2969 | 19 | return; |
2970 | 28 | } |
2971 | | |
2972 | | /// Helper to add the variant paths of a libstdc++ installation. |
2973 | | bool Generic_GCC::addLibStdCXXIncludePaths( |
2974 | | Twine Base, Twine Suffix, StringRef GCCTriple, StringRef GCCMultiarchTriple, |
2975 | | StringRef TargetMultiarchTriple, Twine IncludeSuffix, |
2976 | 1.21k | const ArgList &DriverArgs, ArgStringList &CC1Args) const { |
2977 | 1.21k | if (!getVFS().exists(Base + Suffix)) |
2978 | 982 | return false; |
2979 | | |
2980 | 228 | addSystemInclude(DriverArgs, CC1Args, Base + Suffix); |
2981 | | |
2982 | | // The vanilla GCC layout of libstdc++ headers uses a triple subdirectory. If |
2983 | | // that path exists or we have neither a GCC nor target multiarch triple, use |
2984 | | // this vanilla search path. |
2985 | 228 | if ((GCCMultiarchTriple.empty() && TargetMultiarchTriple.empty()200 ) || |
2986 | 214 | getVFS().exists(Base + Suffix + "/" + GCCTriple + IncludeSuffix)28 ) { |
2987 | 214 | addSystemInclude(DriverArgs, CC1Args, |
2988 | 214 | Base + Suffix + "/" + GCCTriple + IncludeSuffix); |
2989 | 14 | } else { |
2990 | | // Otherwise try to use multiarch naming schemes which have normalized the |
2991 | | // triples and put the triple before the suffix. |
2992 | | // |
2993 | | // GCC surprisingly uses *both* the GCC triple with a multilib suffix and |
2994 | | // the target triple, so we support that here. |
2995 | 14 | addSystemInclude(DriverArgs, CC1Args, |
2996 | 14 | Base + "/" + GCCMultiarchTriple + Suffix + IncludeSuffix); |
2997 | 14 | addSystemInclude(DriverArgs, CC1Args, |
2998 | 14 | Base + "/" + TargetMultiarchTriple + Suffix); |
2999 | 14 | } |
3000 | | |
3001 | 228 | addSystemInclude(DriverArgs, CC1Args, Base + Suffix + "/backward"); |
3002 | 228 | return true; |
3003 | 228 | } |
3004 | | |
3005 | | bool |
3006 | | Generic_GCC::addGCCLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, |
3007 | 10.2k | llvm::opt::ArgStringList &CC1Args) const { |
3008 | | // Use GCCInstallation to know where libstdc++ headers are installed. |
3009 | 10.2k | if (!GCCInstallation.isValid()) |
3010 | 10.0k | return false; |
3011 | | |
3012 | | // By default, look for the C++ headers in an include directory adjacent to |
3013 | | // the lib directory of the GCC installation. Note that this is expect to be |
3014 | | // equivalent to '/usr/include/c++/X.Y' in almost all cases. |
3015 | 232 | StringRef LibDir = GCCInstallation.getParentLibPath(); |
3016 | 232 | StringRef InstallDir = GCCInstallation.getInstallPath(); |
3017 | 232 | StringRef TripleStr = GCCInstallation.getTriple().str(); |
3018 | 232 | const Multilib &Multilib = GCCInstallation.getMultilib(); |
3019 | 232 | const std::string GCCMultiarchTriple = getMultiarchTriple( |
3020 | 232 | getDriver(), GCCInstallation.getTriple(), getDriver().SysRoot); |
3021 | 232 | const std::string TargetMultiarchTriple = |
3022 | 232 | getMultiarchTriple(getDriver(), getTriple(), getDriver().SysRoot); |
3023 | 232 | const GCCVersion &Version = GCCInstallation.getVersion(); |
3024 | | |
3025 | | // The primary search for libstdc++ supports multiarch variants. |
3026 | 232 | if (addLibStdCXXIncludePaths(LibDir.str() + "/../include", |
3027 | 232 | "/c++/" + Version.Text, TripleStr, |
3028 | 232 | GCCMultiarchTriple, TargetMultiarchTriple, |
3029 | 232 | Multilib.includeSuffix(), DriverArgs, CC1Args)) |
3030 | 28 | return true; |
3031 | | |
3032 | | // Otherwise, fall back on a bunch of options which don't use multiarch |
3033 | | // layouts for simplicity. |
3034 | 204 | const std::string LibStdCXXIncludePathCandidates[] = { |
3035 | | // Gentoo is weird and places its headers inside the GCC install, |
3036 | | // so if the first attempt to find the headers fails, try these patterns. |
3037 | 204 | InstallDir.str() + "/include/g++-v" + Version.Text, |
3038 | 204 | InstallDir.str() + "/include/g++-v" + Version.MajorStr + "." + |
3039 | 204 | Version.MinorStr, |
3040 | 204 | InstallDir.str() + "/include/g++-v" + Version.MajorStr, |
3041 | 204 | }; |
3042 | | |
3043 | 597 | for (const auto &IncludePath : LibStdCXXIncludePathCandidates) { |
3044 | 597 | if (addLibStdCXXIncludePaths(IncludePath, /*Suffix*/ "", TripleStr, |
3045 | 597 | /*GCCMultiarchTriple*/ "", |
3046 | 597 | /*TargetMultiarchTriple*/ "", |
3047 | 597 | Multilib.includeSuffix(), DriverArgs, CC1Args)) |
3048 | 9 | return true; |
3049 | 597 | } |
3050 | 195 | return false; |
3051 | 204 | } |
3052 | | |
3053 | | void |
3054 | | Generic_GCC::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs, |
3055 | 7.65k | llvm::opt::ArgStringList &CC1Args) const { |
3056 | 7.65k | addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args); |
3057 | 7.65k | } |
3058 | | |
3059 | | llvm::opt::DerivedArgList * |
3060 | | Generic_GCC::TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef, |
3061 | 17.6k | Action::OffloadKind DeviceOffloadKind) const { |
3062 | | |
3063 | | // If this tool chain is used for an OpenMP offloading device we have to make |
3064 | | // sure we always generate a shared library regardless of the commands the |
3065 | | // user passed to the host. This is required because the runtime library |
3066 | | // is required to load the device image dynamically at run time. |
3067 | 17.6k | if (DeviceOffloadKind == Action::OFK_OpenMP) { |
3068 | 44 | DerivedArgList *DAL = new DerivedArgList(Args.getBaseArgs()); |
3069 | 44 | const OptTable &Opts = getDriver().getOpts(); |
3070 | | |
3071 | | // Request the shared library. Given that these options are decided |
3072 | | // implicitly, they do not refer to any base argument. |
3073 | 44 | DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_shared)); |
3074 | 44 | DAL->AddFlagArg(/*BaseArg=*/nullptr, Opts.getOption(options::OPT_fPIC)); |
3075 | | |
3076 | | // Filter all the arguments we don't care passing to the offloading |
3077 | | // toolchain as they can mess up with the creation of a shared library. |
3078 | 385 | for (auto *A : Args) { |
3079 | 385 | switch ((options::ID)A->getOption().getID()) { |
3080 | 385 | default: |
3081 | 385 | DAL->append(A); |
3082 | 385 | break; |
3083 | 0 | case options::OPT_shared: |
3084 | 0 | case options::OPT_dynamic: |
3085 | 0 | case options::OPT_static: |
3086 | 0 | case options::OPT_fPIC: |
3087 | 0 | case options::OPT_fno_PIC: |
3088 | 0 | case options::OPT_fpic: |
3089 | 0 | case options::OPT_fno_pic: |
3090 | 0 | case options::OPT_fPIE: |
3091 | 0 | case options::OPT_fno_PIE: |
3092 | 0 | case options::OPT_fpie: |
3093 | 0 | case options::OPT_fno_pie: |
3094 | 0 | break; |
3095 | 385 | } |
3096 | 385 | } |
3097 | 44 | return DAL; |
3098 | 17.6k | } |
3099 | 17.6k | return nullptr; |
3100 | 17.6k | } |
3101 | | |
3102 | 0 | void Generic_ELF::anchor() {} |
3103 | | |
3104 | | void Generic_ELF::addClangTargetOptions(const ArgList &DriverArgs, |
3105 | | ArgStringList &CC1Args, |
3106 | 16.0k | Action::OffloadKind) const { |
3107 | 16.0k | if (!DriverArgs.hasFlag(options::OPT_fuse_init_array, |
3108 | 16.0k | options::OPT_fno_use_init_array, true)) |
3109 | 1 | CC1Args.push_back("-fno-use-init-array"); |
3110 | 16.0k | } |