#include "llvm/ADT/PointerUnion.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
+#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
llvm_unreachable("getAddressSpaceMapMangling() doesn't cover anything.");
}
+static std::vector<std::string>
+getRealPaths(llvm::vfs::FileSystem &VFS, llvm::ArrayRef<std::string> Paths) {
+ std::vector<std::string> Result;
+ llvm::SmallString<128> Buffer;
+ for (const auto &File : Paths) {
+ if (std::error_code EC = VFS.getRealPath(File, Buffer))
+ llvm::report_fatal_error("can't open file '" + File + "': " + EC.message());
+ Result.push_back(Buffer.str());
+ }
+ return Result;
+}
+
ASTContext::ASTContext(LangOptions &LOpts, SourceManager &SM,
IdentifierTable &idents, SelectorTable &sels,
Builtin::Context &builtins)
TemplateSpecializationTypes(this_()),
DependentTemplateSpecializationTypes(this_()),
SubstTemplateTemplateParmPacks(this_()), SourceMgr(SM), LangOpts(LOpts),
- SanitizerBL(new SanitizerBlacklist(LangOpts.SanitizerBlacklistFiles, SM)),
+ SanitizerBL(new SanitizerBlacklist(
+ getRealPaths(SM.getFileManager().getVirtualFileSystem(),
+ LangOpts.SanitizerBlacklistFiles),
+ SM)),
XRayFilter(new XRayFunctionFilter(LangOpts.XRayAlwaysInstrumentFiles,
LangOpts.XRayNeverInstrumentFiles,
LangOpts.XRayAttrListFiles, SM)),
// RUN: %clang_cc1 -fsanitize=unsigned-integer-overflow -fsanitize-blacklist=%t-func.blacklist -emit-llvm %s -o - | FileCheck %s --check-prefix=FUNC
// RUN: %clang_cc1 -fsanitize=unsigned-integer-overflow -fsanitize-blacklist=%t-file.blacklist -emit-llvm %s -o - | FileCheck %s --check-prefix=FILE
+// RUN: rm -f %t-vfsoverlay.yaml
+// RUN: rm -f %t-nonexistent.blacklist
+// RUN: sed -e "s|@DIR@|%T|g" %S/Inputs/sanitizer-blacklist-vfsoverlay.yaml | sed -e "s|@REAL_FILE@|%t-func.blacklist|g" | sed -e "s|@NONEXISTENT_FILE@|%t-nonexistent.blacklist|g" > %t-vfsoverlay.yaml
+// RUN: %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-blacklist=%T/only-virtual-file.blacklist -emit-llvm %s -o - | FileCheck %s --check-prefix=FUNC
+
+// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-blacklist=%T/invalid-virtual-file.blacklist -emit-llvm %s -o - 2>&1 | FileCheck %s --check-prefix=INVALID-MAPPED-FILE
+// INVALID-MAPPED-FILE: invalid-virtual-file.blacklist': No such file or directory
+
+// RUN: not %clang_cc1 -fsanitize=unsigned-integer-overflow -ivfsoverlay %t-vfsoverlay.yaml -fsanitize-blacklist=%t-nonexistent.blacklist -emit-llvm %s -o - 2>&1 | FileCheck %s --check-prefix=INVALID
+// INVALID: nonexistent.blacklist': No such file or directory
+
unsigned i;
// DEFAULT: @hash