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Add Asan support for clang on windows.

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This will currently only work for the RelWithDebInfo configuration since asan
does not support the debug crt. for source line information in the reports,
you need a copy of llvm-symbolizer in the blender folder or set the
ASAN_SYMBOLIZER_PATH environment variable to point to it. Currently (as of
6.0.0) llvm-symbolizer does not ship with the binary clang/llvm distribution.

Reviewers: campbellbarton

Differential Revision: https://developer.blender.org/D3446
This commit is contained in:
Ray Molenkamp
2018-05-31 11:50:30 -06:00
parent cfea9c261c
commit 7c75c2db4f
10 changed files with 49 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
CMakeLists.txt
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@@ -539,9 +539,7 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
-fsanitize=enum \
-fsanitize=float-cast-overflow \
-fsanitize=float-divide-by-zero \
-fsanitize=leak \
-fsanitize=nonnull-attribute \
-fsanitize=object-size \
-fsanitize=returns-nonnull-attribute \
-fsanitize=signed-integer-overflow \
-fsanitize=undefined \
@@ -549,6 +547,9 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
-fno-sanitize=alignment \
")
if(NOT MSVC) # not all sanitizers are supported with clang-cl, these two however are very vocal about it
set(_asan_defaults "${_asan_defaults} -fsanitize=leak -fsanitize=object-size" )
endif()
set(COMPILER_ASAN_CFLAGS "${_asan_defaults}" CACHE STRING "C flags for address sanitizer")
mark_as_advanced(COMPILER_ASAN_CFLAGS)
set(COMPILER_ASAN_CXXFLAGS "${_asan_defaults}" CACHE STRING "C++ flags for address sanitizer")
@@ -556,9 +557,15 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
unset(_asan_defaults)
find_library(COMPILER_ASAN_LIBRARY asan ${CMAKE_C_IMPLICIT_LINK_DIRECTORIES})
if(NOT MSVC)
find_library(COMPILER_ASAN_LIBRARY asan ${CMAKE_C_IMPLICIT_LINK_DIRECTORIES})
else()
find_library( COMPILER_ASAN_LIBRARY NAMES clang_rt.asan-x86_64
PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\LLVM\\LLVM;]/lib/clang/7.0.0/lib/windows
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\LLVM\\LLVM;]/lib/clang/6.0.0/lib/windows
)
endif()
mark_as_advanced(COMPILER_ASAN_LIBRARY)
endif()
endif()
@@ -863,8 +870,12 @@ if(WITH_COMPILER_ASAN)
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${COMPILER_ASAN_CXXFLAGS}")
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${COMPILER_ASAN_CXXFLAGS}")
set(PLATFORM_LINKFLAGS_DEBUG "${COMPILER_ASAN_LIBRARY}")
if(MSVC)
set(COMPILER_ASAN_LINKER_FLAGS "/FUNCTIONPADMIN:6")
endif()
set(PLATFORM_LINKLIBS "${PLATFORM_LINKLIBS};${COMPILER_ASAN_LIBRARY}")
set(PLATFORM_LINKFLAGS "${COMPILER_ASAN_LIBRARY} ${COMPILER_ASAN_LINKER_FLAGS}")
set(PLATFORM_LINKFLAGS_DEBUG "${COMPILER_ASAN_LIBRARY} ${COMPILER_ASAN_LINKER_FLAGS}")
endif()
#-----------------------------------------------------------------------------