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authorDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-12-20 19:53:05 +0000
commit0b57cec536236d46e3dba9bd041533462f33dbb7 (patch)
tree56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/llvm-cov/TestingSupport.cpp
parent718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff)
Notes
Diffstat (limited to 'contrib/llvm/tools/llvm-cov/TestingSupport.cpp')
-rw-r--r--contrib/llvm/tools/llvm-cov/TestingSupport.cpp102
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;
-}