From 2d9899b2cee703d102dcaa79887e46692f15162d Mon Sep 17 00:00:00 2001
From: Alexey Samsonov <samsonov@google.com>
Date: Fri, 28 Sep 2012 11:05:41 +0000
Subject: [PATCH] [ASan] use llvm-symbolizer (in offline mode) in ASan output
 tests on Linux

llvm-svn: 164819
---
 compiler-rt/lib/asan/lit_tests/CMakeLists.txt  | 3 +++
 compiler-rt/lib/asan/lit_tests/lit.cfg         | 9 +++++++++
 compiler-rt/lib/asan/lit_tests/lit.site.cfg.in | 1 +
 3 files changed, 13 insertions(+)

diff --git a/compiler-rt/lib/asan/lit_tests/CMakeLists.txt b/compiler-rt/lib/asan/lit_tests/CMakeLists.txt
index e08a84a..c230ff5 100644
--- a/compiler-rt/lib/asan/lit_tests/CMakeLists.txt
+++ b/compiler-rt/lib/asan/lit_tests/CMakeLists.txt
@@ -18,6 +18,9 @@ if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}")
     clang clang-headers FileCheck count not llvm-nm
     ${ASAN_RUNTIME_LIBRARIES}
     )
+  if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
+    list(APPEND ASAN_TEST_DEPS llvm-symbolizer)
+  endif()
   set(ASAN_TEST_PARAMS
     asan_site_config=${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
     )
diff --git a/compiler-rt/lib/asan/lit_tests/lit.cfg b/compiler-rt/lib/asan/lit_tests/lit.cfg
index 54ad92e..0ab424e 100644
--- a/compiler-rt/lib/asan/lit_tests/lit.cfg
+++ b/compiler-rt/lib/asan/lit_tests/lit.cfg
@@ -68,6 +68,15 @@ clang_asan_cxxflags = ("-ccc-clang-cxx "
 config.substitutions.append( ("%clangxx_asan ", (" " + config.clang + " " +
                                                 clang_asan_cxxflags + " ")) )
 
+# Setup path to external LLVM symbolizer to run AddressSanitizer output tests.
+# Currently llvm-symbolizer is supported on Linux only.
+if config.host_os == 'Linux':
+  llvm_obj_root = getattr(config, 'llvm_obj_root', None)
+  if llvm_obj_root:
+    config.environment['LLVM_SYMBOLIZER_PATH'] = os.path.join(
+        config.llvm_obj_root, "projects", "compiler-rt", "utils",
+        "llvm-symbolizer", "llvm-symbolizer")
+
 # Setup path to symbolizer script.
 # FIXME: Instead we should copy this script to the build tree and point
 #        at it there.
diff --git a/compiler-rt/lib/asan/lit_tests/lit.site.cfg.in b/compiler-rt/lib/asan/lit_tests/lit.site.cfg.in
index 89956e6..cf43930 100644
--- a/compiler-rt/lib/asan/lit_tests/lit.site.cfg.in
+++ b/compiler-rt/lib/asan/lit_tests/lit.site.cfg.in
@@ -4,6 +4,7 @@
 config.target_triple = "@TARGET_TRIPLE@"
 config.host_os = "@HOST_OS@"
 config.llvm_src_root = "@LLVM_SOURCE_DIR@"
+config.llvm_obj_root = "@LLVM_BINARY_DIR@"
 config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
 config.clang = "@LLVM_BINARY_DIR@/bin/clang"
 
-- 
2.7.4