[libcxxabi] r220464 - [libcxxabi] Add support for running libc++abi tests with sanitizers

[Eric Fiselier]

Author: ericwf
Date: Wed Oct 22 22:10:43 2014
New Revision: 220464

URL: http://llvm.org/viewvc/llvm-project?rev=220464&view=rev
Log:
[libcxxabi] Add support for running libc++abi tests with sanitizers

Summary: Add support for LLVM_USE_SANITIZER to the libc++abi tests. Currently, if libc++abi is configured with LLVM_USE_SANITIZER then none of the tests will pass.

Reviewers: jroelofs, mclow.lists, danalbert

Reviewed By: danalbert

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D5926

Modified:
    libcxxabi/trunk/test/lit.cfg
    libcxxabi/trunk/test/lit.site.cfg.in

Modified: libcxxabi/trunk/test/lit.cfg
URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/test/lit.cfg?rev=220464&r1=220463&r2=220464&view=diff
==============================================================================
--- libcxxabi/trunk/test/lit.cfg (original)
+++ libcxxabi/trunk/test/lit.cfg Wed Oct 22 22:10:43 2014
@@ -222,6 +222,31 @@ include_paths = ['-I' + libcxxabi_src_ro
 library_paths = ['-L' + libcxxabi_obj_root + '/lib']
 compile_flags = ['-std=c++11']
 
+
+san = lit_config.params.get('llvm_use_sanitizer', None)
+if san is None:
+    san = getattr(config, 'llvm_use_sanitizer', None)
+if san:
+    if not sys.platform.startswith('freebsd'):
+        link_flags += ['-ldl']
+    if san == 'Address':
+        compile_flags += ['-fsanitize=address']
+        config.available_features.add('asan')
+    elif san == 'Memory' or san == 'MemoryWithOrigins':
+        compile_flags += ['-fsanitize=memory']
+        config.available_features.add('msan')
+        if san == 'MemoryWithOrigins':
+            compile_flags += ['-fsanitize-memory-track-origins']
+    elif san == 'Undefined':
+        compile_flags += ['-fsanitize=undefined',
+                          '-fno-sanitize=vptr,function',
+                          '-fno-sanitize-recover']
+        config.available_features.add('ubsan')
+    else:
+        lit_config.fatal('unsupported value for '
+                         'llvm_use_sanitizer: {0}'.format(san))
+
+
 # Configure extra linker parameters.
 exec_env = {}
 if sys.platform == 'darwin':

Modified: libcxxabi/trunk/test/lit.site.cfg.in
URL: http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/test/lit.site.cfg.in?rev=220464&r1=220463&r2=220464&view=diff
==============================================================================
--- libcxxabi/trunk/test/lit.site.cfg.in (original)
+++ libcxxabi/trunk/test/lit.site.cfg.in Wed Oct 22 22:10:43 2014
@@ -6,6 +6,7 @@ config.python_executable     = "@PYTHON_
 config.enable_shared         = @LIBCXXABI_ENABLE_SHARED@
 config.libcxx_includes       = "@LIBCXXABI_LIBCXX_INCLUDES@"
 config.llvm_unwinder         = @LIBCXXABI_USE_LLVM_UNWINDER@
+config.llvm_use_sanitizer    = "@LLVM_USE_SANITIZER@"
 
 # Let the main config do the real work.
 lit_config.load_config(config, "@LIBCXXABI_SOURCE_DIR@/test/lit.cfg")