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Diffstat (limited to 'tools/llvm-cov/GCOVReader.h')
| -rw-r--r-- | tools/llvm-cov/GCOVReader.h | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/tools/llvm-cov/GCOVReader.h b/tools/llvm-cov/GCOVReader.h deleted file mode 100644 index 98a556c78d..0000000000 --- a/tools/llvm-cov/GCOVReader.h +++ /dev/null @@ -1,224 +0,0 @@ -//===-- tools/llvm-cov/GCOVReader.h - LLVM coverage tool --------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This header provides the interface to read coverage files that use 'gcov' -// format. -// -//===----------------------------------------------------------------------===// - -#ifndef GCOVREADER_H -#define GCOVREADER_H - -#include "llvm/ADT/SmallVector.h" -#include "llvm/ADT/StringMap.h" -#include "llvm/Support/MemoryBuffer.h" -#include "llvm/Support/raw_ostream.h" - -namespace llvm { - -class GCOVFunction; -class GCOVBlock; -class GCOVLines; -class FileInfo; - -enum GCOVFormat { - InvalidGCOV, - GCNO_402, - GCNO_404, - GCDA_402, - GCDA_404 -}; - -/// GCOVBuffer - A wrapper around MemoryBuffer to provide GCOV specific -/// read operations. -class GCOVBuffer { -public: - GCOVBuffer(MemoryBuffer *B) : Buffer(B), Cursor(0) {} - - /// readGCOVFormat - Read GCOV signature at the beginning of buffer. - enum GCOVFormat readGCOVFormat() { - StringRef Magic = Buffer->getBuffer().slice(0, 12); - Cursor = 12; - if (Magic == "oncg*404MVLL") - return GCNO_404; - else if (Magic == "oncg*204MVLL") - return GCNO_402; - else if (Magic == "adcg*404MVLL") - return GCDA_404; - else if (Magic == "adcg*204MVLL") - return GCDA_402; - - Cursor = 0; - return InvalidGCOV; - } - - /// readFunctionTag - If cursor points to a function tag then increment the - /// cursor and return true otherwise return false. - bool readFunctionTag() { - StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4); - if (Tag.empty() || - Tag[0] != '\0' || Tag[1] != '\0' || - Tag[2] != '\0' || Tag[3] != '\1') { - return false; - } - Cursor += 4; - return true; - } - - /// readBlockTag - If cursor points to a block tag then increment the - /// cursor and return true otherwise return false. - bool readBlockTag() { - StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4); - if (Tag.empty() || - Tag[0] != '\0' || Tag[1] != '\0' || - Tag[2] != '\x41' || Tag[3] != '\x01') { - return false; - } - Cursor += 4; - return true; - } - - /// readEdgeTag - If cursor points to an edge tag then increment the - /// cursor and return true otherwise return false. - bool readEdgeTag() { - StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4); - if (Tag.empty() || - Tag[0] != '\0' || Tag[1] != '\0' || - Tag[2] != '\x43' || Tag[3] != '\x01') { - return false; - } - Cursor += 4; - return true; - } - - /// readLineTag - If cursor points to a line tag then increment the - /// cursor and return true otherwise return false. - bool readLineTag() { - StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4); - if (Tag.empty() || - Tag[0] != '\0' || Tag[1] != '\0' || - Tag[2] != '\x45' || Tag[3] != '\x01') { - return false; - } - Cursor += 4; - return true; - } - - /// readArcTag - If cursor points to an gcda arc tag then increment the - /// cursor and return true otherwise return false. - bool readArcTag() { - StringRef Tag = Buffer->getBuffer().slice(Cursor, Cursor+4); - if (Tag.empty() || - Tag[0] != '\0' || Tag[1] != '\0' || - Tag[2] != '\xa1' || Tag[3] != '\1') { - return false; - } - Cursor += 4; - return true; - } - - uint32_t readInt() { - uint32_t Result; - StringRef Str = Buffer->getBuffer().slice(Cursor, Cursor+4); - assert (Str.empty() == false && "Unexpected memory buffer end!"); - Cursor += 4; - Result = *(uint32_t *)(Str.data()); - return Result; - } - - uint64_t readInt64() { - uint64_t Lo = readInt(); - uint64_t Hi = readInt(); - uint64_t Result = Lo | (Hi << 32); - return Result; - } - - StringRef readString() { - uint32_t Len = readInt() * 4; - StringRef Str = Buffer->getBuffer().slice(Cursor, Cursor+Len); - Cursor += Len; - return Str; - } - - uint64_t getCursor() const { return Cursor; } -private: - MemoryBuffer *Buffer; - uint64_t Cursor; -}; - -/// GCOVFile - Collects coverage information for one pair of coverage file -/// (.gcno and .gcda). -class GCOVFile { -public: - GCOVFile() {} - ~GCOVFile(); - bool read(GCOVBuffer &Buffer); - void dump(); - void collectLineCounts(FileInfo &FI); -private: - SmallVector<GCOVFunction *, 16> Functions; -}; - -/// GCOVFunction - Collects function information. -class GCOVFunction { -public: - GCOVFunction() : Ident(0), LineNumber(0) {} - ~GCOVFunction(); - bool read(GCOVBuffer &Buffer, GCOVFormat Format); - void dump(); - void collectLineCounts(FileInfo &FI); -private: - uint32_t Ident; - uint32_t LineNumber; - StringRef Name; - StringRef Filename; - SmallVector<GCOVBlock *, 16> Blocks; -}; - -/// GCOVBlock - Collects block information. -class GCOVBlock { -public: - GCOVBlock(uint32_t N) : Number(N), Counter(0) {} - ~GCOVBlock(); - void addEdge(uint32_t N) { Edges.push_back(N); } - void addLine(StringRef Filename, uint32_t LineNo); - void addCount(uint64_t N) { Counter = N; } - void dump(); - void collectLineCounts(FileInfo &FI); -private: - uint32_t Number; - uint64_t Counter; - SmallVector<uint32_t, 16> Edges; - StringMap<GCOVLines *> Lines; -}; - -/// GCOVLines - A wrapper around a vector of int to keep track of line nos. -class GCOVLines { -public: - ~GCOVLines() { Lines.clear(); } - void add(uint32_t N) { Lines.push_back(N); } - void collectLineCounts(FileInfo &FI, StringRef Filename, uint32_t Count); - void dump(); - -private: - SmallVector<uint32_t, 4> Lines; -}; - -typedef SmallVector<uint32_t, 16> LineCounts; -class FileInfo { -public: - void addLineCount(StringRef Filename, uint32_t Line, uint32_t Count); - void print(); -private: - StringMap<LineCounts> LineInfo; -}; - -} - -#endif |