diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
commit | 0b57cec536236d46e3dba9bd041533462f33dbb7 (patch) | |
tree | 56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/llvm-cov/TestingSupport.cpp | |
parent | 718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff) |
Notes
Diffstat (limited to 'contrib/llvm/tools/llvm-cov/TestingSupport.cpp')
-rw-r--r-- | contrib/llvm/tools/llvm-cov/TestingSupport.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/contrib/llvm/tools/llvm-cov/TestingSupport.cpp b/contrib/llvm/tools/llvm-cov/TestingSupport.cpp deleted file mode 100644 index 3ee318c9c640..000000000000 --- a/contrib/llvm/tools/llvm-cov/TestingSupport.cpp +++ /dev/null @@ -1,102 +0,0 @@ -//===- TestingSupport.cpp - Convert objects files into test files --------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#include "llvm/Object/ObjectFile.h" -#include "llvm/ProfileData/InstrProf.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/LEB128.h" -#include "llvm/Support/raw_ostream.h" -#include <functional> -#include <system_error> - -using namespace llvm; -using namespace object; - -int convertForTestingMain(int argc, const char *argv[]) { - cl::opt<std::string> InputSourceFile(cl::Positional, cl::Required, - cl::desc("<Source file>")); - - cl::opt<std::string> OutputFilename( - "o", cl::Required, - cl::desc( - "File with the profile data obtained after an instrumented run")); - - cl::ParseCommandLineOptions(argc, argv, "LLVM code coverage tool\n"); - - auto ObjErr = llvm::object::ObjectFile::createObjectFile(InputSourceFile); - if (!ObjErr) { - std::string Buf; - raw_string_ostream OS(Buf); - logAllUnhandledErrors(ObjErr.takeError(), OS); - OS.flush(); - errs() << "error: " << Buf; - return 1; - } - ObjectFile *OF = ObjErr.get().getBinary(); - auto BytesInAddress = OF->getBytesInAddress(); - if (BytesInAddress != 8) { - errs() << "error: 64 bit binary expected\n"; - return 1; - } - - // Look for the sections that we are interested in. - int FoundSectionCount = 0; - SectionRef ProfileNames, CoverageMapping; - auto ObjFormat = OF->getTripleObjectFormat(); - for (const auto &Section : OF->sections()) { - StringRef Name; - if (Section.getName(Name)) - return 1; - if (Name == llvm::getInstrProfSectionName(IPSK_name, ObjFormat, - /*AddSegmentInfo=*/false)) { - ProfileNames = Section; - } else if (Name == llvm::getInstrProfSectionName( - IPSK_covmap, ObjFormat, /*AddSegmentInfo=*/false)) { - CoverageMapping = Section; - } else - continue; - ++FoundSectionCount; - } - if (FoundSectionCount != 2) - return 1; - - // Get the contents of the given sections. - uint64_t ProfileNamesAddress = ProfileNames.getAddress(); - StringRef CoverageMappingData; - StringRef ProfileNamesData; - if (Expected<StringRef> E = CoverageMapping.getContents()) - CoverageMappingData = *E; - else { - consumeError(E.takeError()); - return 1; - } - if (Expected<StringRef> E = ProfileNames.getContents()) - ProfileNamesData = *E; - else { - consumeError(E.takeError()); - return 1; - } - - int FD; - if (auto Err = sys::fs::openFileForWrite(OutputFilename, FD)) { - errs() << "error: " << Err.message() << "\n"; - return 1; - } - - raw_fd_ostream OS(FD, true); - OS << "llvmcovmtestdata"; - encodeULEB128(ProfileNamesData.size(), OS); - encodeULEB128(ProfileNamesAddress, OS); - OS << ProfileNamesData; - // Coverage mapping data is expected to have an alignment of 8. - for (unsigned Pad = OffsetToAlignment(OS.tell(), 8); Pad; --Pad) - OS.write(uint8_t(0)); - OS << CoverageMappingData; - - return 0; -} |