1# -*- Python -*-
2
3import os
4
5# Setup config name.
6config.name = 'MemorySanitizer' + getattr(config, 'name_suffix', 'default')
7
8# Setup source root.
9config.test_source_root = os.path.dirname(__file__)
10
11# Setup default compiler flags used with -fsanitize=memory option.
12clang_msan_cflags = (["-fsanitize=memory",
13                      "-mno-omit-leaf-frame-pointer",
14                      "-fno-omit-frame-pointer",
15                      "-fno-optimize-sibling-calls"] +
16                      [config.target_cflags] +
17                      config.debug_info_flags)
18# Some Msan tests leverage backtrace() which requires libexecinfo on FreeBSD.
19if config.host_os == 'FreeBSD':
20  clang_msan_cflags += ["-lexecinfo"]
21clang_msan_cxxflags = config.cxx_mode_flags + clang_msan_cflags
22
23def build_invocation(compile_flags):
24  return " " + " ".join([config.clang] + compile_flags) + " "
25
26config.substitutions.append( ("%clang_msan ", build_invocation(clang_msan_cflags)) )
27config.substitutions.append( ("%clangxx_msan ", build_invocation(clang_msan_cxxflags)) )
28
29# Default test suffixes.
30config.suffixes = ['.c', '.cc', '.cpp']
31
32# MemorySanitizer tests are currently supported on Linux only.
33if config.host_os not in ['Linux']:
34  config.unsupported = True
35
36if config.target_arch != 'aarch64':
37  config.available_features.add('stable-runtime')
38