1 //===- 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 // llvm-cov is a command line tools to analyze and report coverage information. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "llvm/ADT/OwningPtr.h" 15 #include "llvm/Support/CommandLine.h" 16 #include "llvm/Support/GCOV.h" 17 #include "llvm/Support/ManagedStatic.h" 18 #include "llvm/Support/MemoryObject.h" 19 #include "llvm/Support/PrettyStackTrace.h" 20 #include "llvm/Support/Signals.h" 21 #include "llvm/Support/system_error.h" 22 using namespace llvm; 23 24 static cl::opt<bool> 25 DumpGCOV("dump", cl::init(false), cl::desc("dump gcov file")); 26 27 static cl::opt<std::string> 28 InputGCNO("gcno", cl::desc("<input gcno file>"), cl::init("")); 29 30 static cl::opt<std::string> 31 InputGCDA("gcda", cl::desc("<input gcda file>"), cl::init("")); 32 33 static cl::opt<bool> 34 AllBlocks("a", cl::init(false), cl::desc("display all block info")); 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 coverage tool\n"); 44 45 GCOVFile GF; 46 if (InputGCNO.empty()) 47 errs() << " " << argv[0] << ": No gcov input file!\n"; 48 49 OwningPtr<MemoryBuffer> GCNO_Buff; 50 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) { 51 errs() << InputGCNO << ": " << ec.message() << "\n"; 52 return 1; 53 } 54 GCOVBuffer GCNO_GB(GCNO_Buff.get()); 55 if (!GF.readGCNO(GCNO_GB)) { 56 errs() << "Invalid .gcno File!\n"; 57 return 1; 58 } 59 60 if (!InputGCDA.empty()) { 61 OwningPtr<MemoryBuffer> GCDA_Buff; 62 if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) { 63 errs() << InputGCDA << ": " << ec.message() << "\n"; 64 return 1; 65 } 66 GCOVBuffer GCDA_GB(GCDA_Buff.get()); 67 if (!GF.readGCDA(GCDA_GB)) { 68 errs() << "Invalid .gcda File!\n"; 69 return 1; 70 } 71 } 72 73 if (DumpGCOV) 74 GF.dump(); 75 76 FileInfo FI; 77 GF.collectLineCounts(FI); 78 FI.print(InputGCNO, InputGCDA, GCOVOptions(AllBlocks)); 79 return 0; 80 } 81