Hard-code the symbolizer path in asan_symbolize.py

tools/valgrind/asan/asan_symbolize.py

Index: tools/valgrind/asan/asan_symbolize.py
diff --git a/tools/valgrind/asan/asan_symbolize.py b/tools/valgrind/asan/asan_symbolize.py
index 92849ad3d532330454705a68343e7ade8ad78c65..a99563ec9c6997bcccbbd7ac1a240284db040272 100755
--- a/tools/valgrind/asan/asan_symbolize.py
+++ b/tools/valgrind/asan/asan_symbolize.py
@@ -17,6 +17,7 @@ def fix_filename(file_name):
   file_name = re.sub(".*crtstuff.c:0", "???:0", file_name)
   return file_name
 
+
 class LineBuffered(object):
   """Disable buffering on a file object."""
   def __init__(self, stream):
@@ -40,8 +41,20 @@ def disable_buffering():
     os.environ['PYTHONUNBUFFERED'] = 'x'
 
 
+def set_symbolizer_path():
+  """Set the path to the llvm-symbolize binary in the Chromium source tree."""
+  if not os.environ.get('LLVM_SYMBOLIZER_PATH'):
+    script_dir = os.path.dirname(os.path.abspath(__file__))
+    # Assuming this script resides in src/tools/valgrind/asan.

[Alexander Potapenko, 2014/09/19 13:08:06]

Can you please assert this and/or check that symbolizer_path exists?

+    src_root = os.path.join(script_dir, "..", "..", "..")
+    symbolizer_path = os.path.join(src_root, 'third_party',
+        'llvm-build', 'Release+Asserts', 'bin', 'llvm-symbolizer')
+    os.environ['LLVM_SYMBOLIZER_PATH'] = os.path.abspath(symbolizer_path)
+
+
 def main():
   disable_buffering()
+  set_symbolizer_path()
   asan_symbolize.demangle = True
   loop = asan_symbolize.SymbolizationLoop(binary_name_filter=fix_filename)
   loop.process_stdin()