std::string &Error) {
std::unique_ptr<clang::SanitizerSpecialCaseList> SSCL(
new SanitizerSpecialCaseList());
- if (SSCL->createInternal(Paths, VFS, Error)) {
+ if (SSCL->createInternal(Paths, Error, VFS)) {
SSCL->createSanitizerSections();
return SSCL;
}
ArrayRef<std::string> AlwaysInstrumentPaths,
ArrayRef<std::string> NeverInstrumentPaths,
ArrayRef<std::string> AttrListPaths, SourceManager &SM)
- : AlwaysInstrument(llvm::SpecialCaseList::createOrDie(
- AlwaysInstrumentPaths, SM.getFileManager().getVirtualFileSystem())),
- NeverInstrument(llvm::SpecialCaseList::createOrDie(
- NeverInstrumentPaths, SM.getFileManager().getVirtualFileSystem())),
- AttrList(llvm::SpecialCaseList::createOrDie(
- AttrListPaths, SM.getFileManager().getVirtualFileSystem())),
- SM(SM) {}
+ : AlwaysInstrument(
+ llvm::SpecialCaseList::createOrDie(AlwaysInstrumentPaths)),
+ NeverInstrument(llvm::SpecialCaseList::createOrDie(NeverInstrumentPaths)),
+ AttrList(llvm::SpecialCaseList::createOrDie(AttrListPaths)), SM(SM) {}
XRayFunctionFilter::ImbueAttribute
XRayFunctionFilter::shouldImbueFunction(StringRef FunctionName) const {
clang::SmallString<64> Path(D.ResourceDir);
llvm::sys::path::append(Path, "share", BL.File);
- if (D.getVFS().exists(Path))
+ if (llvm::sys::fs::exists(Path))
BlacklistFiles.push_back(Path.str());
else if (BL.Mask == SanitizerKind::CFI)
// If cfi_blacklist.txt cannot be found in the resource dir, driver
if (Arg->getOption().matches(options::OPT_fsanitize_blacklist)) {
Arg->claim();
std::string BLPath = Arg->getValue();
- if (D.getVFS().exists(BLPath)) {
+ if (llvm::sys::fs::exists(BLPath)) {
UserBlacklistFiles.push_back(BLPath);
} else {
D.Diag(clang::diag::err_drv_no_such_file) << BLPath;
{
std::string BLError;
std::unique_ptr<llvm::SpecialCaseList> SCL(
- llvm::SpecialCaseList::create(UserBlacklistFiles, D.getVFS(), BLError));
+ llvm::SpecialCaseList::create(UserBlacklistFiles, BLError));
if (!SCL.get())
D.Diag(clang::diag::err_drv_malformed_sanitizer_blacklist) << BLError;
}
{
std::string BLError;
- std::unique_ptr<llvm::SpecialCaseList> SCL(llvm::SpecialCaseList::create(
- SystemBlacklistFiles, D.getVFS(), BLError));
+ std::unique_ptr<llvm::SpecialCaseList> SCL(
+ llvm::SpecialCaseList::create(SystemBlacklistFiles, BLError));
if (!SCL.get())
D.Diag(clang::diag::err_drv_malformed_sanitizer_blacklist) << BLError;
}
// are treated as actual dependencies.
for (const auto &Filename :
Args.getAllArgValues(options::OPT_fxray_always_instrument)) {
- if (D.getVFS().exists(Filename)) {
+ if (llvm::sys::fs::exists(Filename)) {
AlwaysInstrumentFiles.push_back(Filename);
ExtraDeps.push_back(Filename);
} else
for (const auto &Filename :
Args.getAllArgValues(options::OPT_fxray_never_instrument)) {
- if (D.getVFS().exists(Filename)) {
+ if (llvm::sys::fs::exists(Filename)) {
NeverInstrumentFiles.push_back(Filename);
ExtraDeps.push_back(Filename);
} else
for (const auto &Filename :
Args.getAllArgValues(options::OPT_fxray_attr_list)) {
- if (D.getVFS().exists(Filename)) {
+ if (llvm::sys::fs::exists(Filename)) {
AttrListFiles.push_back(Filename);
ExtraDeps.push_back(Filename);
} else
ToolChainTest.cpp
ModuleCacheTest.cpp
MultilibTest.cpp
- SanitizerArgsTest.cpp
)
clang_target_link_libraries(ClangDriverTests
PRIVATE
clangDriver
clangBasic
- clangFrontend # For TextDiagnosticPrinter.
)
+++ /dev/null
-//===- unittests/Driver/SanitizerArgsTest.cpp -----------------------------===//
-//
-// 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 "clang/Basic/Diagnostic.h"
-#include "clang/Basic/DiagnosticIDs.h"
-#include "clang/Basic/DiagnosticOptions.h"
-#include "clang/Driver/Compilation.h"
-#include "clang/Driver/Driver.h"
-#include "clang/Driver/Job.h"
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/IntrusiveRefCntPtr.h"
-#include "llvm/ADT/Optional.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/VirtualFileSystem.h"
-#include "llvm/Support/raw_ostream.h"
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include <cstdlib>
-#include <memory>
-#include <string>
-using namespace clang;
-using namespace clang::driver;
-
-using ::testing::Contains;
-using ::testing::StrEq;
-
-namespace {
-
-static constexpr const char *ClangBinary = "clang";
-static constexpr const char *InputFile = "/sources/foo.c";
-
-std::string concatPaths(llvm::ArrayRef<StringRef> Components) {
- llvm::SmallString<128> P;
- for (StringRef C : Components)
- llvm::sys::path::append(P, C);
- return P.str().str();
-}
-
-class SanitizerArgsTest : public ::testing::Test {
-protected:
- const Command &emulateSingleCompilation(std::vector<std::string> ExtraArgs,
- std::vector<std::string> ExtraFiles) {
- assert(!Driver && "Running twice is not allowed");
-
- llvm::IntrusiveRefCntPtr<DiagnosticOptions> Opts = new DiagnosticOptions;
- DiagnosticsEngine Diags(
- new DiagnosticIDs, Opts,
- new TextDiagnosticPrinter(llvm::errs(), Opts.get()));
- Driver.emplace(ClangBinary, "x86_64-unknown-linux-gnu", Diags,
- prepareFS(ExtraFiles));
-
- std::vector<const char *> Args = {ClangBinary};
- for (const auto &A : ExtraArgs)
- Args.push_back(A.c_str());
- Args.push_back("-c");
- Args.push_back(InputFile);
-
- Compilation.reset(Driver->BuildCompilation(Args));
-
- if (Diags.hasErrorOccurred())
- ADD_FAILURE() << "Error occurred while parsing compilation arguments. "
- "See stderr for details.";
-
- const auto &Commands = Compilation->getJobs().getJobs();
- assert(Commands.size() == 1);
- return *Commands.front();
- }
-
-private:
- llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem>
- prepareFS(llvm::ArrayRef<std::string> ExtraFiles) {
- llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> FS =
- new llvm::vfs::InMemoryFileSystem;
- FS->addFile(ClangBinary, time_t(), llvm::MemoryBuffer::getMemBuffer(""));
- FS->addFile(InputFile, time_t(), llvm::MemoryBuffer::getMemBuffer(""));
- for (llvm::StringRef F : ExtraFiles)
- FS->addFile(F, time_t(), llvm::MemoryBuffer::getMemBuffer(""));
- return FS;
- }
-
- llvm::Optional<Driver> Driver;
- std::unique_ptr<driver::Compilation> Compilation;
-};
-
-TEST_F(SanitizerArgsTest, Blacklists) {
- const std::string ResourceDir = "/opt/llvm/lib/resources";
- const std::string UserBlacklist = "/source/my_blacklist.txt";
- const std::string ASanBlacklist =
- concatPaths({ResourceDir, "share", "asan_blacklist.txt"});
-
- auto &Command = emulateSingleCompilation(
- /*ExtraArgs=*/{"-fsanitize=address", "-resource-dir", ResourceDir,
- std::string("-fsanitize-blacklist=") + UserBlacklist},
- /*ExtraFiles=*/{ASanBlacklist, UserBlacklist});
-
- // System blacklists are added based on resource-dir.
- EXPECT_THAT(Command.getArguments(),
- Contains(StrEq(std::string("-fsanitize-system-blacklist=") +
- ASanBlacklist)));
- // User blacklists should also be added.
- EXPECT_THAT(
- Command.getArguments(),
- Contains(StrEq(std::string("-fsanitize-blacklist=") + UserBlacklist)));
-}
-
-TEST_F(SanitizerArgsTest, XRayLists) {
- const std::string XRayWhitelist = "/source/xray_whitelist.txt";
- const std::string XRayBlacklist = "/source/xray_blacklist.txt";
- const std::string XRayAttrList = "/source/xray_attr_list.txt";
-
- auto &Command = emulateSingleCompilation(
- /*ExtraArgs=*/
- {
- "-fxray-instrument",
- "-fxray-always-instrument=" + XRayWhitelist,
- "-fxray-never-instrument=" + XRayBlacklist,
- "-fxray-attr-list=" + XRayAttrList,
- },
- /*ExtraFiles=*/{XRayWhitelist, XRayBlacklist, XRayAttrList});
-
- // Blacklists exist in the filesystem, so they should be added to the
- // compilation command, produced by the driver.
- EXPECT_THAT(Command.getArguments(),
- Contains(StrEq("-fxray-always-instrument=" + XRayWhitelist)));
- EXPECT_THAT(Command.getArguments(),
- Contains(StrEq("-fxray-never-instrument=" + XRayBlacklist)));
- EXPECT_THAT(Command.getArguments(),
- Contains(StrEq("-fxray-attr-list=" + XRayAttrList)));
-}
-
-} // namespace
/// Parses the special case list entries from files. On failure, returns
/// 0 and writes an error message to string.
static std::unique_ptr<SpecialCaseList>
- create(const std::vector<std::string> &Paths, llvm::vfs::FileSystem &FS,
- std::string &Error);
+ create(const std::vector<std::string> &Paths, std::string &Error);
/// Parses the special case list from a memory buffer. On failure, returns
/// 0 and writes an error message to string.
static std::unique_ptr<SpecialCaseList> create(const MemoryBuffer *MB,
/// Parses the special case list entries from files. On failure, reports a
/// fatal error.
static std::unique_ptr<SpecialCaseList>
- createOrDie(const std::vector<std::string> &Paths, llvm::vfs::FileSystem &FS);
+ createOrDie(const std::vector<std::string> &Paths);
~SpecialCaseList();
protected:
// Implementations of the create*() functions that can also be used by derived
// classes.
- bool createInternal(const std::vector<std::string> &Paths,
- vfs::FileSystem &VFS, std::string &Error);
+ bool createInternal(const std::vector<std::string> &Paths, std::string &Error,
+ vfs::FileSystem &VFS = *vfs::getRealFileSystem());
bool createInternal(const MemoryBuffer *MB, std::string &Error);
SpecialCaseList() = default;
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Regex.h"
-#include "llvm/Support/VirtualFileSystem.h"
#include <string>
#include <system_error>
#include <utility>
std::unique_ptr<SpecialCaseList>
SpecialCaseList::create(const std::vector<std::string> &Paths,
- llvm::vfs::FileSystem &FS, std::string &Error) {
+ std::string &Error) {
std::unique_ptr<SpecialCaseList> SCL(new SpecialCaseList());
- if (SCL->createInternal(Paths, FS, Error))
+ if (SCL->createInternal(Paths, Error))
return SCL;
return nullptr;
}
}
std::unique_ptr<SpecialCaseList>
-SpecialCaseList::createOrDie(const std::vector<std::string> &Paths,
- llvm::vfs::FileSystem &FS) {
+SpecialCaseList::createOrDie(const std::vector<std::string> &Paths) {
std::string Error;
- if (auto SCL = create(Paths, FS, Error))
+ if (auto SCL = create(Paths, Error))
return SCL;
report_fatal_error(Error);
}
bool SpecialCaseList::createInternal(const std::vector<std::string> &Paths,
- vfs::FileSystem &VFS, std::string &Error) {
+ std::string &Error, vfs::FileSystem &VFS) {
StringMap<size_t> Sections;
for (const auto &Path : Paths) {
ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/SpecialCaseList.h"
-#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
std::vector<std::string> AllABIListFiles(std::move(ABIListFiles));
AllABIListFiles.insert(AllABIListFiles.end(), ClABIListFiles.begin(),
ClABIListFiles.end());
- // FIXME: should we propagate vfs::FileSystem to this constructor?
- ABIList.set(
- SpecialCaseList::createOrDie(AllABIListFiles, *vfs::getRealFileSystem()));
+ ABIList.set(SpecialCaseList::createOrDie(AllABIListFiles));
}
FunctionType *DataFlowSanitizer::getArgsFunctionType(FunctionType *T) {