1 //===- tools/llvm-cov/llvm-cov.cpp - LLVM coverage tool -------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // 11 // llvm-cov is a command line tools to analyze and report coverage information. 12 // 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "GCOVReader.h" 17 #include "llvm/ADT/OwningPtr.h" 18 #include "llvm/Support/CommandLine.h" 19 #include "llvm/Support/ManagedStatic.h" 20 #include "llvm/Support/MemoryObject.h" 21 #include "llvm/Support/PrettyStackTrace.h" 22 #include "llvm/Support/Signals.h" 23 #include "llvm/Support/system_error.h" 24 using namespace llvm; 25 26 static cl::opt<bool> 27 DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file")); 28 29 static cl::opt<std::string> 30 InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init("")); 31 32 static cl::opt<std::string> 33 InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init("")); 34 35 36 //===----------------------------------------------------------------------===// 37 int main(int argc, char **argv) { 38 // Print a stack trace if we signal out. 39 sys::PrintStackTraceOnErrorSignal(); 40 PrettyStackTraceProgram X(argc, argv); 41 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 42 43 cl::ParseCommandLineOptions(argc, argv, "llvm cov\n"); 44 45 46 GCOVFile GF; 47 if (InputGCNO.empty()) 48 errs() << " " << argv[0] << ": No gcov input file!\n"; 49 50 OwningPtr<MemoryBuffer> Buff; 51 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, Buff)) { 52 errs() << InputGCNO << ": " << ec.message() << "\n"; 53 return 1; 54 } 55 GCOVBuffer GB(Buff.take()); 56 57 if (!GF.read(GB)) { 58 errs() << "Invalid .gcno File!\n"; 59 return 1; 60 } 61 62 if (!InputGCDA.empty()) { 63 OwningPtr<MemoryBuffer> Buff2; 64 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, Buff2)) { 65 errs() << InputGCDA << ": " << ec.message() << "\n"; 66 return 1; 67 } 68 GCOVBuffer GB2(Buff2.take()); 69 70 if (!GF.read(GB2)) { 71 errs() << "Invalid .gcda File!\n"; 72 return 1; 73 } 74 } 75 76 77 if (DumpGCOV) 78 GF.dump(); 79 80 FileInfo FI; 81 GF.collectLineCounts(FI); 82 return 0; 83 } 84