| /* |
| * Copyright 2010-2012, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "clang/Basic/DiagnosticOptions.h" |
| #include "clang/Driver/DriverDiagnostic.h" |
| #include "clang/Driver/Options.h" |
| #include "clang/Frontend/CompilerInvocation.h" |
| #include "clang/Frontend/FrontendDiagnostic.h" |
| #include "clang/Frontend/TextDiagnosticPrinter.h" |
| #include "clang/Frontend/Utils.h" |
| |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/IntrusiveRefCntPtr.h" |
| |
| #include "llvm/Option/OptTable.h" |
| #include "llvm/Support/ManagedStatic.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/Path.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/Support/Signals.h" |
| #include "llvm/Target/TargetMachine.h" |
| |
| #include "rs_cc_options.h" |
| #include "slang.h" |
| #include "slang_assert.h" |
| #include "slang_diagnostic_buffer.h" |
| #include "slang_rs_reflect_utils.h" |
| |
| #include <list> |
| #include <set> |
| #include <string> |
| |
| namespace { |
| class StringSet : public llvm::cl::StringSaver { |
| public: |
| const char *SaveString(const char *Str) override { |
| return Strings.insert(Str).first->c_str(); |
| } |
| |
| private: |
| std::set<std::string> Strings; |
| }; |
| } |
| |
| static const char *DetermineOutputFile(const std::string &OutputDir, |
| const std::string &PathSuffix, |
| const char *InputFile, |
| slang::Slang::OutputType OutputType, |
| StringSet *SavedStrings) { |
| if (OutputType == slang::Slang::OT_Nothing) |
| return "/dev/null"; |
| |
| std::string OutputFile(OutputDir); |
| |
| // Append '/' to Opts.mBitcodeOutputDir if not presents |
| if (!OutputFile.empty() && |
| (OutputFile[OutputFile.size() - 1]) != OS_PATH_SEPARATOR) |
| OutputFile.append(1, OS_PATH_SEPARATOR); |
| |
| if (!PathSuffix.empty()) { |
| OutputFile.append(PathSuffix); |
| OutputFile.append(1, OS_PATH_SEPARATOR); |
| } |
| |
| if (OutputType == slang::Slang::OT_Dependency) { |
| // The build system wants the .d file name stem to be exactly the same as |
| // the source .rs file, instead of the .bc file. |
| OutputFile.append(slang::RSSlangReflectUtils::GetFileNameStem(InputFile)); |
| } else { |
| OutputFile.append( |
| slang::RSSlangReflectUtils::BCFileNameFromRSFileName(InputFile)); |
| } |
| |
| switch (OutputType) { |
| case slang::Slang::OT_Dependency: { |
| OutputFile.append(".d"); |
| break; |
| } |
| case slang::Slang::OT_Assembly: { |
| OutputFile.append(".S"); |
| break; |
| } |
| case slang::Slang::OT_LLVMAssembly: { |
| OutputFile.append(".ll"); |
| break; |
| } |
| case slang::Slang::OT_Object: { |
| OutputFile.append(".o"); |
| break; |
| } |
| case slang::Slang::OT_Bitcode: { |
| OutputFile.append(".bc"); |
| break; |
| } |
| case slang::Slang::OT_Nothing: |
| default: { |
| slangAssert(false && "Invalid output type!"); |
| } |
| } |
| |
| return SavedStrings->SaveString(OutputFile.c_str()); |
| } |
| |
| typedef std::list<std::pair<const char*, const char*> > NamePairList; |
| |
| /* |
| * Compile the Inputs. |
| * |
| * Returns 0 on success and nonzero on failure. |
| * |
| * IOFiles - list of (foo.rs, foo.bc) pairs of input/output files. |
| * IOFiles32 - list of input/output pairs for 32-bit compilation. |
| * Inputs - input filenames. |
| * Opts - options controlling compilation. |
| * DiagEngine - Clang diagnostic engine (for creating diagnostics). |
| * DiagClient - Slang diagnostic consumer (collects and displays diagnostics). |
| * SavedStrings - expanded strings copied from argv source input files. |
| * |
| * We populate IOFiles dynamically while working through the list of Inputs. |
| * On any 64-bit compilation, we pass back in the 32-bit pairs of files as |
| * IOFiles32. This allows the 64-bit compiler to later bundle up both the |
| * 32-bit and 64-bit bitcode outputs to be included in the final reflected |
| * source code that is emitted. |
| */ |
| static void makeFileList(NamePairList *IOFiles, NamePairList *DepFiles, |
| const llvm::SmallVector<const char*, 16> &Inputs, slang::RSCCOptions &Opts, |
| StringSet *SavedStrings) { |
| std::string PathSuffix = ""; |
| // In our mixed 32/64-bit path, we need to suffix our files differently for |
| // both 32-bit and 64-bit versions. |
| if (Opts.mEmit3264) { |
| if (Opts.mBitWidth == 64) { |
| PathSuffix = "bc64"; |
| } else { |
| PathSuffix = "bc32"; |
| } |
| } |
| |
| for (int i = 0, e = Inputs.size(); i != e; i++) { |
| const char *InputFile = Inputs[i]; |
| |
| const char *BCOutputFile = DetermineOutputFile(Opts.mBitcodeOutputDir, |
| PathSuffix, InputFile, |
| Opts.mOutputType, |
| SavedStrings); |
| const char *OutputFile = BCOutputFile; |
| |
| if (Opts.mEmitDependency) { |
| // The dependency file is always emitted without a PathSuffix. |
| // Collisions between 32-bit and 64-bit files don't make a difference, |
| // because they share the same sources/dependencies. |
| const char *DepOutputFile = |
| DetermineOutputFile(Opts.mDependencyOutputDir, "", InputFile, |
| slang::Slang::OT_Dependency, SavedStrings); |
| if (Opts.mOutputType == slang::Slang::OT_Dependency) { |
| OutputFile = DepOutputFile; |
| } |
| |
| DepFiles->push_back(std::make_pair(BCOutputFile, DepOutputFile)); |
| } |
| |
| IOFiles->push_back(std::make_pair(InputFile, OutputFile)); |
| } |
| } |
| |
| #define str(s) #s |
| #define wrap_str(s) str(s) |
| static void llvm_rs_cc_VersionPrinter() { |
| llvm::raw_ostream &OS = llvm::outs(); |
| OS << "llvm-rs-cc: Renderscript compiler\n" |
| << " (http://developer.android.com/guide/topics/renderscript)\n" |
| << " based on LLVM (http://llvm.org):\n"; |
| OS << " Built " << __DATE__ << " (" << __TIME__ ").\n"; |
| OS << " Target APIs: " << SLANG_MINIMUM_TARGET_API << " - " |
| << SLANG_MAXIMUM_TARGET_API; |
| OS << "\n Build type: " << wrap_str(TARGET_BUILD_VARIANT); |
| #ifndef __DISABLE_ASSERTS |
| OS << " with assertions"; |
| #endif |
| OS << ".\n"; |
| } |
| #undef wrap_str |
| #undef str |
| |
| static void LLVMErrorHandler(void *UserData, const std::string &Message, |
| bool GenCrashDialog) { |
| clang::DiagnosticsEngine *DiagEngine = |
| static_cast<clang::DiagnosticsEngine *>(UserData); |
| |
| DiagEngine->Report(clang::diag::err_fe_error_backend) << Message; |
| |
| // Run the interrupt handlers to make sure any special cleanups get done, in |
| // particular that we remove files registered with RemoveFileOnSignal. |
| llvm::sys::RunInterruptHandlers(); |
| |
| exit(1); |
| } |
| |
| int main(int argc, const char **argv) { |
| llvm::llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. |
| LLVMInitializeARMTargetInfo(); |
| LLVMInitializeARMTarget(); |
| LLVMInitializeARMAsmPrinter(); |
| |
| StringSet SavedStrings; // Keeps track of strings to be destroyed at the end. |
| |
| // Parse the command line arguments and respond to show help & version |
| // commands. |
| llvm::SmallVector<const char *, 16> Inputs; |
| slang::RSCCOptions Opts; |
| llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> DiagOpts = |
| new clang::DiagnosticOptions(); |
| if (!slang::ParseArguments(llvm::makeArrayRef(argv, argc), Inputs, Opts, |
| *DiagOpts, SavedStrings)) { |
| // Exits when there's any error occurred during parsing the arguments |
| return 1; |
| } |
| if (Opts.mShowHelp) { |
| std::unique_ptr<llvm::opt::OptTable> OptTbl(slang::createRSCCOptTable()); |
| const std::string Argv0 = llvm::sys::path::stem(argv[0]); |
| OptTbl->PrintHelp(llvm::outs(), Argv0.c_str(), |
| "Renderscript source compiler"); |
| return 0; |
| } |
| if (Opts.mShowVersion) { |
| llvm_rs_cc_VersionPrinter(); |
| return 0; |
| } |
| |
| // Initialize the diagnostic objects |
| llvm::IntrusiveRefCntPtr<clang::DiagnosticIDs> DiagIDs( |
| new clang::DiagnosticIDs()); |
| slang::DiagnosticBuffer DiagsBuffer; |
| clang::DiagnosticsEngine DiagEngine(DiagIDs, &*DiagOpts, &DiagsBuffer, false); |
| clang::ProcessWarningOptions(DiagEngine, *DiagOpts); |
| (void)DiagEngine.setSeverityForGroup(clang::diag::Flavor::WarningOrError, |
| "implicit-function-declaration", |
| clang::diag::Severity::Error); |
| |
| // Report error if no input file |
| if (Inputs.empty()) { |
| DiagEngine.Report(clang::diag::err_drv_no_input_files); |
| llvm::errs() << DiagsBuffer.str(); |
| return 1; |
| } |
| |
| llvm::install_fatal_error_handler(LLVMErrorHandler, &DiagEngine); |
| |
| // Compile the 32 bit version |
| NamePairList IOFiles32; |
| NamePairList DepFiles32; |
| makeFileList(&IOFiles32, &DepFiles32, Inputs, Opts, &SavedStrings); |
| |
| std::unique_ptr<slang::Slang> Compiler( |
| new slang::Slang(32, &DiagEngine, &DiagsBuffer)); |
| int CompileFailed = |
| !Compiler->compile(IOFiles32, IOFiles32, DepFiles32, Opts, *DiagOpts); |
| |
| // Handle the 64-bit case too! |
| if (Opts.mEmit3264 && !CompileFailed) { |
| Opts.mBitWidth = 64; |
| NamePairList IOFiles64; |
| NamePairList DepFiles64; |
| makeFileList(&IOFiles64, &DepFiles64, Inputs, Opts, &SavedStrings); |
| |
| std::unique_ptr<slang::Slang> Compiler( |
| new slang::Slang(64, &DiagEngine, &DiagsBuffer)); |
| CompileFailed = |
| !Compiler->compile(IOFiles64, IOFiles32, DepFiles64, Opts, *DiagOpts); |
| } |
| |
| llvm::errs() << DiagsBuffer.str(); |
| llvm::remove_fatal_error_handler(); |
| return CompileFailed; |
| } |