[PATCH] D37649: [Driver] Support ubsan-minimal on Darwin

[Vedant Kumar via Phabricator via cfe-commits]

vsk created this revision.

Make it possible to use the minimal ubsan runtime on Darwin.


https://reviews.llvm.org/D37649

Files:
  lib/Driver/ToolChains/Darwin.cpp
  test/Driver/sanitizer-ld.c


Index: test/Driver/sanitizer-ld.c
===================================================================
--- test/Driver/sanitizer-ld.c
+++ test/Driver/sanitizer-ld.c
@@ -254,6 +254,13 @@
 // CHECK-UBSAN-MINIMAL-LINUX: "-whole-archive" "{{.*}}libclang_rt.ubsan_minimal-i386.a" "-no-whole-archive"
 // CHECK-UBSAN-MINIMAL-LINUX: "-lpthread"
 
+// RUN: %clang -fsanitize=undefined -fsanitize-minimal-runtime %s -### -o %t.o 2>&1 \
+// RUN:     -target x86_64-apple-darwin -fuse-ld=ld \
+// RUN:     --sysroot=%S/Inputs/basic_linux_tree \
+// RUN:   | FileCheck --check-prefix=CHECK-UBSAN-MINIMAL-DARWIN %s
+// CHECK-UBSAN-MINIMAL-DARWIN: "{{.*}}ld{{(.exe)?}}"
+// CHECK-UBSAN-MINIMAL-DARWIN: "{{.*}}libclang_rt.ubsan_minimal_osx_dynamic.dylib"
+
 // RUN: %clang -fsanitize=address,undefined %s -### -o %t.o 2>&1 \
 // RUN:     -target i386-unknown-linux -fuse-ld=ld \
 // RUN:     --sysroot=%S/Inputs/basic_linux_tree \
Index: lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- lib/Driver/ToolChains/Darwin.cpp
+++ lib/Driver/ToolChains/Darwin.cpp
@@ -1039,7 +1039,9 @@
   if (Sanitize.needsLsanRt())
     AddLinkSanitizerLibArgs(Args, CmdArgs, "lsan");
   if (Sanitize.needsUbsanRt())
-    AddLinkSanitizerLibArgs(Args, CmdArgs, "ubsan");
+    AddLinkSanitizerLibArgs(Args, CmdArgs,
+                            Sanitize.requiresMinimalRuntime() ? "ubsan_minimal"
+                                                              : "ubsan");
   if (Sanitize.needsTsanRt())
     AddLinkSanitizerLibArgs(Args, CmdArgs, "tsan");
   if (Sanitize.needsFuzzer() && !Args.hasArg(options::OPT_dynamiclib)) {


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D37649.114458.patch
Type: text/x-patch
Size: 1647 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170908/2ddb7239/attachment.bin>