[PATCH] D156718: [ASanStableABI][Driver] Stop linking to asan dylib when stable abi is enabled

[Brittany Blue Gaston via Phabricator via cfe-commits]

thetruestblue created this revision.
thetruestblue added reviewers: yln, rsundahl, usama54321, wrotki, kubamracek, vitalybuka, MaskRay.
Herald added a subscriber: Enna1.
Herald added a project: All.
thetruestblue requested review of this revision.
Herald added projects: clang, Sanitizers.
Herald added subscribers: Sanitizers, cfe-commits.

This patch enables linking of the static archive when fsanitize-stable-abi is set and stops linking to the asan dylib.

To link to the Address Sanitizer stable abi static library use "-fsanitize=address -fsanitize-stable-abi"

Updates a test with these flags.

rdar://112480890


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D156718

Files:
  clang/include/clang/Driver/SanitizerArgs.h
  clang/lib/Driver/ToolChains/Darwin.cpp
  compiler-rt/test/asan_abi/CMakeLists.txt
  compiler-rt/test/asan_abi/TestCases/Darwin/llvm_interface_symbols.cpp
  compiler-rt/test/asan_abi/TestCases/linkstaticlibrary.cpp


Index: compiler-rt/test/asan_abi/TestCases/linkstaticlibrary.cpp
===================================================================
--- compiler-rt/test/asan_abi/TestCases/linkstaticlibrary.cpp
+++ 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; }
Index: compiler-rt/test/asan_abi/TestCases/Darwin/llvm_interface_symbols.cpp
===================================================================
--- compiler-rt/test/asan_abi/TestCases/Darwin/llvm_interface_symbols.cpp
+++ 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; }
Index: compiler-rt/test/asan_abi/CMakeLists.txt
===================================================================
--- compiler-rt/test/asan_abi/CMakeLists.txt
+++ compiler-rt/test/asan_abi/CMakeLists.txt
@@ -13,7 +13,6 @@
 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 ${ASAN_ABI_SUPPORTED_ARCH})
 if(APPLE)
@@ -27,7 +26,7 @@
   string(TOLOWER "-${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)
+  set(ASAN_ABI_TEST_DYNAMIC False)
 
   string(TOUPPER ${arch} ARCH_UPPER_CASE)
   set(CONFIG_NAME ${ARCH_UPPER_CASE}${OS_NAME}Config)
Index: clang/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.cpp
+++ clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1484,9 +1484,13 @@
 
   if (Sanitize.linkRuntimes()) {
     if (Sanitize.needsAsanRt()) {
-      assert(Sanitize.needsSharedRt() &&
-             "Static sanitizer runtimes not supported");
-      AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
+      if (Sanitize.needsStableAbi()) {
+        AddLinkSanitizerLibArgs(Args, CmdArgs, "asan_abi", /*shared=*/false);
+      } else {
+        assert(Sanitize.needsSharedRt() &&
+               "Static sanitizer runtimes not supported");
+        AddLinkSanitizerLibArgs(Args, CmdArgs, "asan");
+      }
     }
     if (Sanitize.needsLsanRt())
       AddLinkSanitizerLibArgs(Args, CmdArgs, "lsan");
Index: clang/include/clang/Driver/SanitizerArgs.h
===================================================================
--- clang/include/clang/Driver/SanitizerArgs.h
+++ clang/include/clang/Driver/SanitizerArgs.h
@@ -76,6 +76,7 @@
                 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); }


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