Merge pull request #7142 from apple/cp/stableabilink

[ASanStableABI][Driver] Stop linking to asan dylib when stable abi is…

Author: thetruestblue

clang/include/clang/Driver/SanitizerArgs.h

@@ -74,6 +74,7 @@ class SanitizerArgs {
                 bool DiagnoseErrors = true);
 
   bool needsSharedRt() const { return SharedRuntime; }
+  bool needsStableAbi() const { return StableABI; }
 
   bool needsMemProfRt() const { return NeedsMemProfRt; }
   bool needsAsanRt() const { return Sanitizers.has(SanitizerKind::Address); }

clang/lib/Driver/ToolChains/Darwin.cpp

@@ -1619,8 +1619,13 @@ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args,
   }
 
   if (Sanitize.linkRuntimes()) {
-    if (Sanitize.needsAsanRt())
-      AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
+    if (Sanitize.needsAsanRt()) {
+      if (Sanitize.needsStableAbi()) {
+        AddLinkSanitizerLibArgs(Args, CmdArgs, "asan_abi", /*shared=*/false);
+      } else {
+        AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
+      }
+    }
     if (Sanitize.needsLsanRt())
       AddLinkSanitizerLibArgs(Args, CmdArgs, "lsan");
     if (Sanitize.needsUbsanRt()) {

compiler-rt/test/asan_abi/CMakeLists.txt

@@ -13,7 +13,6 @@ set(ASAN_ABI_TEST_DEPS ${SANITIZER_COMMON_LIT_TEST_DEPS})
 if(NOT COMPILER_RT_STANDALONE_BUILD)
   list(APPEND ASAN_ABI_TEST_DEPS asan_abi)
 endif()
-set(ASAN_ABI_DYNAMIC_TEST_DEPS ${ASAN_ABI_TEST_DEPS})
 
 set(ASAN_ABI_TEST_ARCH ${ASAN_ABI_SUPPORTED_ARCH})
 if(APPLE)
@@ -27,7 +26,6 @@ foreach(arch ${ASAN_ABI_TEST_ARCH})
   string(TOLOWER "-${arch}-${OS_NAME}" ASAN_ABI_TEST_CONFIG_SUFFIX)
   get_bits_for_arch(${arch} ASAN_ABI_TEST_BITS)
   get_test_cc_for_arch(${arch} ASAN_ABI_TEST_TARGET_CC ASAN_ABI_TEST_TARGET_CFLAGS)
-  set(ASAN_ABI_TEST_DYNAMIC True)
 
   string(TOUPPER ${arch} ARCH_UPPER_CASE)
   set(CONFIG_NAME ${ARCH_UPPER_CASE}${OS_NAME}Config)

compiler-rt/test/asan_abi/TestCases/Darwin/llvm_interface_symbols.cpp

@@ -1,6 +1,6 @@
 // RUN: %clang_asan_abi -O0 -c -fsanitize-stable-abi -fsanitize=address %s -o %t.o
 // RUN: %clangxx -c %p/../../../../lib/asan_abi/asan_abi.cpp -o asan_abi.o
-// RUN: %clangxx -dead_strip -o %t %t.o %libasan_abi asan_abi.o && %run %t 2>&1
+// RUN: %clangxx -dead_strip -o %t %t.o -fsanitize-stable-abi -fsanitize=address asan_abi.o && %run %t 2>&1
 // RUN: %clangxx -x c++-header -o - -E %p/../../../../lib/asan/asan_interface.inc \
 // RUN: | sed "s/INTERFACE_FUNCTION/\nINTERFACE_FUNCTION/g" > %t.asan_interface.inc
 // RUN: llvm-nm -g %libasan_abi                                   \
@@ -22,6 +22,9 @@
 // RUN: sort %t.exports | uniq > %t.exports-sorted
 // RUN: diff %t.imports-sorted %t.exports-sorted
 
+// Ensure that there is no dynamic dylib linked.
+// RUN: otool -L %t | (! grep -q "dynamic.dylib")
+
 // UNSUPPORTED: ios
 
 int main() { return 0; }

compiler-rt/test/asan_abi/TestCases/linkstaticlibrary.cpp

@@ -1,5 +1,5 @@
 // RUN: %clang_asan_abi  -O2 -c -fsanitize-stable-abi -fsanitize=address -O0 %s -o %t.o
 // RUN: %clangxx -c %p/../../../lib/asan_abi/asan_abi.cpp -o asan_abi.o
-// RUN: %clangxx -o %t %t.o %libasan_abi asan_abi.o && %run %t 2>&1
+// RUN: %clangxx -o %t %t.o -fsanitize-stable-abi -fsanitize=address asan_abi.o && %run %t 2>&1
 
 int main() { return 0; }

compiler-rt/test/asan_abi/lit.site.cfg.py.in

@@ -8,7 +8,6 @@ config.bits = "@ASAN_ABI_TEST_BITS@"
 config.arm_thumb = "@COMPILER_RT_ARM_THUMB@"
 config.apple_platform = "@ASAN_ABI_TEST_APPLE_PLATFORM@"
 config.apple_platform_min_deployment_target_flag = "@ASAN_ABI_TEST_MIN_DEPLOYMENT_TARGET_FLAG@"
-config.asan_abi_dynamic = @ASAN_ABI_TEST_DYNAMIC@
 config.target_arch = "@ASAN_ABI_TEST_TARGET_ARCH@"
 
 # Load common config for all compiler-rt lit tests.