llvm-cov.cpp revision 226584
1226584Sdim//===- tools/llvm-cov/llvm-cov.cpp - LLVM coverage tool -------------------===// 2226584Sdim// 3226584Sdim// The LLVM Compiler Infrastructure 4226584Sdim// 5226584Sdim// This file is distributed under the University of Illinois Open Source 6226584Sdim// License. See LICENSE.TXT for details. 7226584Sdim// 8226584Sdim//===----------------------------------------------------------------------===// 9226584Sdim// 10226584Sdim// llvm-cov is a command line tools to analyze and report coverage information. 11226584Sdim// 12226584Sdim//===----------------------------------------------------------------------===// 13226584Sdim 14226584Sdim#include "llvm/ADT/OwningPtr.h" 15226584Sdim#include "llvm/Support/CommandLine.h" 16226584Sdim#include "llvm/Support/GCOV.h" 17226584Sdim#include "llvm/Support/ManagedStatic.h" 18226584Sdim#include "llvm/Support/MemoryObject.h" 19226584Sdim#include "llvm/Support/PrettyStackTrace.h" 20226584Sdim#include "llvm/Support/Signals.h" 21226584Sdim#include "llvm/Support/system_error.h" 22226584Sdimusing namespace llvm; 23226584Sdim 24226584Sdimstatic cl::opt<bool> 25226584SdimDumpGCOV("dump", cl::init(false), cl::desc("dump gcov file")); 26226584Sdim 27226584Sdimstatic cl::opt<std::string> 28226584SdimInputGCNO("gcno", cl::desc("<input gcno file>"), cl::init("")); 29226584Sdim 30226584Sdimstatic cl::opt<std::string> 31226584SdimInputGCDA("gcda", cl::desc("<input gcda file>"), cl::init("")); 32226584Sdim 33226584Sdim 34226584Sdim//===----------------------------------------------------------------------===// 35226584Sdimint main(int argc, char **argv) { 36226584Sdim // Print a stack trace if we signal out. 37226584Sdim sys::PrintStackTraceOnErrorSignal(); 38226584Sdim PrettyStackTraceProgram X(argc, argv); 39226584Sdim llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. 40226584Sdim 41226584Sdim cl::ParseCommandLineOptions(argc, argv, "llvm cov\n"); 42226584Sdim 43226584Sdim GCOVFile GF; 44226584Sdim if (InputGCNO.empty()) 45226584Sdim errs() << " " << argv[0] << ": No gcov input file!\n"; 46226584Sdim 47226584Sdim OwningPtr<MemoryBuffer> GCNO_Buff; 48226584Sdim if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCNO, GCNO_Buff)) { 49226584Sdim errs() << InputGCNO << ": " << ec.message() << "\n"; 50226584Sdim return 1; 51226584Sdim } 52226584Sdim GCOVBuffer GCNO_GB(GCNO_Buff.take()); 53226584Sdim if (!GF.read(GCNO_GB)) { 54226584Sdim errs() << "Invalid .gcno File!\n"; 55226584Sdim return 1; 56226584Sdim } 57226584Sdim 58226584Sdim if (!InputGCDA.empty()) { 59226584Sdim OwningPtr<MemoryBuffer> GCDA_Buff; 60226584Sdim if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputGCDA, GCDA_Buff)) { 61226584Sdim errs() << InputGCDA << ": " << ec.message() << "\n"; 62226584Sdim return 1; 63226584Sdim } 64226584Sdim GCOVBuffer GCDA_GB(GCDA_Buff.take()); 65226584Sdim if (!GF.read(GCDA_GB)) { 66226584Sdim errs() << "Invalid .gcda File!\n"; 67226584Sdim return 1; 68226584Sdim } 69226584Sdim } 70226584Sdim 71226584Sdim 72226584Sdim if (DumpGCOV) 73226584Sdim GF.dump(); 74226584Sdim 75226584Sdim FileInfo FI; 76226584Sdim GF.collectLineCounts(FI); 77226584Sdim return 0; 78226584Sdim} 79