https://github.com/alexander-shaposhnikov created
https://github.com/llvm/llvm-project/pull/97364
Link nsan runtime.
>From ac52e1dc1ceabdefb6230173c42181f2c098dc58 Mon Sep 17 00:00:00 2001
From: Alexander Shaposhnikov <ashaposhni...@google.com>
Date: Mon, 1 Jul 2024 23:29:57 +0000
Subject: [PATCH] [Clang][Driver] Link nsan runtime
---
clang/lib/Driver/ToolChains/CommonArgs.cpp | 2 ++
clang/test/Driver/sanitizer-ld.c | 14 ++++++++++++++
2 files changed, 16 insertions(+)
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp
b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 2a4c1369f5a73..be4d7d2cffb16 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1469,6 +1469,8 @@ collectSanitizerRuntimes(const ToolChain &TC, const
ArgList &Args,
if (SanArgs.linkCXXRuntimes())
StaticRuntimes.push_back("msan_cxx");
}
+ if (SanArgs.needsNsanRt())
+ StaticRuntimes.push_back("nsan");
if (!SanArgs.needsSharedRt() && SanArgs.needsTsanRt()) {
StaticRuntimes.push_back("tsan");
if (SanArgs.linkCXXRuntimes())
diff --git a/clang/test/Driver/sanitizer-ld.c b/clang/test/Driver/sanitizer-ld.c
index 1dc8b446d7b6d..38769ba01ed04 100644
--- a/clang/test/Driver/sanitizer-ld.c
+++ b/clang/test/Driver/sanitizer-ld.c
@@ -627,6 +627,20 @@
// CHECK-COV-LINUX: "-lpthread"
// CHECK-COV-LINUX: "-lresolv"
+// RUN: %clang -### %s 2>&1 \
+// RUN: --target=x86_64-unknown-linux -fuse-ld=ld -fsanitize=numerical \
+// RUN: -resource-dir=%S/Inputs/resource_dir \
+// RUN: --sysroot=%S/Inputs/basic_linux_tree \
+// RUN: | FileCheck --check-prefix=CHECK-NSAN-LINUX %s
+//
+// CHECK-NSAN-LINUX: "{{(.*[^-.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
+// CHECK-NSAN-LINUX-NOT: "-lc"
+// CHECK-NSAN-LINUX-NOT: libclang_rt.ubsan
+// CHECK-NSAN-LINUX: libclang_rt.nsan.a"
+// CHECK-NSAN-LINUX: "-lpthread"
+// CHECK-NSAN-LINUX: "-ldl"
+// CHECK-NSAN-LINUX: "-lresolv"
+
// CFI by itself does not link runtime libraries.
// RUN: not %clang -fsanitize=cfi -### %s 2>&1 \
// RUN: --target=x86_64-unknown-linux -fuse-ld=ld -rtlib=platform \
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