| Revision | bf8fd5b5fb6892dabcc21b4b86d41cd40cb9b4b5 (tree) |
|---|---|
| Zeit | 2018-06-22 09:07:48 |
| Autor | Nicolas Capens <capn@goog...> |
| Commiter | Nicolas Capens |
Support Sanitizer builds with CMake.
Added MSAN, ASAN, TSAN, and UBSAN build options. Disabled use of
--no-undefined if a Santizer is used, since by design they leave some
symbols unresolved until run time. UBSAN required blacklisting of our
old copy of LLVM.
Bug swiftshader:108
Change-Id: Iab94b6815bc188c2a7f07d5b7a461234fb1035f3
Reviewed-on: https://swiftshader-review.googlesource.com/19548
Tested-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
CMakeLists.txt (diff) third_party/LLVM/ubsan_blacklist.txt (diff)| @@ -51,6 +51,11 @@ option(USE_GROUP_SOURCES "Group the source files in a folder tree for Visual Stu | ||
| 51 | 51 | option(BUILD_SAMPLES "Build sample programs" 1) |
| 52 | 52 | option(BUILD_TESTS "Build test programs" 1) |
| 53 | 53 | |
| 54 | +option (MSAN "Build with memory sanitizer" 0) | |
| 55 | +option (ASAN "Build with address sanitizer" 0) | |
| 56 | +option (TSAN "Build with thread sanitizer" 0) | |
| 57 | +option (UBSAN "Build with undefined behavior sanitizer" 0) | |
| 58 | + | |
| 54 | 59 | if(ARCH STREQUAL "arm") |
| 55 | 60 | set(DEFAULT_REACTOR_BACKEND "Subzero") |
| 56 | 61 | else() |
| @@ -110,8 +115,12 @@ macro(set_target_export_map TARGET DIR) | ||
| 110 | 115 | # hides all the others. Gc sections is used in combination |
| 111 | 116 | # with each functions being in its section, to reduce the |
| 112 | 117 | # binary size. |
| 113 | - set_target_properties(${TARGET} PROPERTIES LINK_FLAGS "${LINKFLAGS} -Wl,--hash-style=both,--version-script=${DIR}/${TARGET}.lds,--gc-sections,--no-undefined") | |
| 118 | + set_target_properties(${TARGET} PROPERTIES LINK_FLAGS "${LINKFLAGS} -Wl,--hash-style=both,--version-script=${DIR}/${TARGET}.lds,--gc-sections") | |
| 114 | 119 | set_target_properties(${TARGET} PROPERTIES LINK_DEPENDS "${DIR}/${TARGET}.lds") |
| 120 | + | |
| 121 | + if(NOT MSAN AND NOT ASAN AND NOT TSAN AND NOT UBSAN) | |
| 122 | + set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--no-undefined") | |
| 123 | + endif() | |
| 115 | 124 | endif() |
| 116 | 125 | endmacro() |
| 117 | 126 |
| @@ -197,9 +206,21 @@ else() | ||
| 197 | 206 | set_cpp_flag("-ffunction-sections" RELEASE) |
| 198 | 207 | set_cpp_flag("-fdata-sections" RELEASE) |
| 199 | 208 | set_cpp_flag("-fomit-frame-pointer" RELEASE) |
| 209 | + | |
| 210 | + if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") | |
| 211 | + if(MSAN) | |
| 212 | + set_cpp_flag("-fsanitize=memory") | |
| 213 | + elseif(ASAN) | |
| 214 | + set_cpp_flag("-fsanitize=address") | |
| 215 | + elseif(TSAN) | |
| 216 | + set_cpp_flag("-fsanitize=thread") | |
| 217 | + elseif(UBSAN) | |
| 218 | + set_cpp_flag("-fsanitize=undefined -fsanitize-blacklist=${CMAKE_SOURCE_DIR}/third_party/LLVM/ubsan_blacklist.txt") | |
| 219 | + endif() | |
| 220 | + endif() | |
| 200 | 221 | endif() |
| 201 | 222 | |
| 202 | -if( WIN32 ) | |
| 223 | +if(WIN32) | |
| 203 | 224 | add_definitions(-DWINVER=0x501 -DNOMINMAX -DSTRICT) |
| 204 | 225 | set(CMAKE_FIND_LIBRARY_PREFIXES ${CMAKE_FIND_LIBRARY_PREFIXES} "" "lib") |
| 205 | 226 | endif() |
| @@ -0,0 +1,3 @@ | ||
| 1 | +############################################################################# | |
| 2 | +# LLVM is not UBSan vptr clean. | |
| 3 | +src:*third_party/LLVM* |
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