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-rw-r--r--lib/Driver/SanitizerArgs.h13
-rw-r--r--lib/Driver/Tools.cpp8
2 files changed, 21 insertions, 0 deletions
diff --git a/lib/Driver/SanitizerArgs.h b/lib/Driver/SanitizerArgs.h
index bc3aa58331..8e3f9461f3 100644
--- a/lib/Driver/SanitizerArgs.h
+++ b/lib/Driver/SanitizerArgs.h
@@ -15,6 +15,7 @@
#include "clang/Driver/DriverDiagnostic.h"
#include "clang/Driver/Options.h"
#include "llvm/ADT/StringSwitch.h"
+#include "llvm/Support/Path.h"
namespace clang {
namespace driver {
@@ -189,6 +190,18 @@ class SanitizerArgs {
llvm_unreachable("arg didn't provide expected value");
}
+
+ static bool getDefaultBlacklistForKind(const Driver &D, unsigned Kind,
+ std::string &BLPath) {
+ // For now, specify the default blacklist location for ASan only.
+ if (Kind & NeedsAsanRt) {
+ SmallString<64> Path(D.ResourceDir);
+ llvm::sys::path::append(Path, "asan_blacklist.txt");
+ BLPath = Path.str();
+ return true;
+ }
+ return false;
+ }
};
} // namespace driver
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index ba61292acc..ad4fd6cd53 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1543,6 +1543,14 @@ SanitizerArgs::SanitizerArgs(const Driver &D, const ArgList &Args)
else
D.Diag(diag::err_drv_no_such_file) << BLPath;
}
+ } else {
+ // If no -fsanitize-blacklist option is specified, try to look up for
+ // blacklist in the resource directory.
+ std::string BLPath;
+ bool BLExists = false;
+ if (getDefaultBlacklistForKind(D, Kind, BLPath) &&
+ !llvm::sys::fs::exists(BLPath, BLExists) && BLExists)
+ BlacklistFile = BLPath;
}
// Parse -f(no-)sanitize-memory-track-origins options.