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cmake/modules/FindSanitizers.cmake
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| 1 | # The MIT License (MIT) | ||||
|---|---|---|---|---|---|
| 2 | # | ||||
| 3 | # Copyright (c) | ||||
| 4 | # 2013 Matthew Arsenault | ||||
| 5 | # 2015-2016 RWTH Aachen University, Federal Republic of Germany | ||||
| 6 | # | ||||
| 7 | # Permission is hereby granted, free of charge, to any person obtaining a copy | ||||
| 8 | # of this software and associated documentation files (the "Software"), to deal | ||||
| 9 | # in the Software without restriction, including without limitation the rights | ||||
| 10 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||||
| 11 | # copies of the Software, and to permit persons to whom the Software is | ||||
| 12 | # furnished to do so, subject to the following conditions: | ||||
| 13 | # | ||||
| 14 | # The above copyright notice and this permission notice shall be included in all | ||||
| 15 | # copies or substantial portions of the Software. | ||||
| 16 | # | ||||
| 17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||||
| 18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||||
| 19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||||
| 20 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||||
| 21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||||
| 22 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||||
| 23 | # SOFTWARE. | ||||
| 24 | | ||||
| 25 | # If any of the used compiler is a GNU compiler, add a second option to static | ||||
| 26 | # link against the sanitizers. | ||||
| 27 | option(SANITIZE_LINK_STATIC "Try to link static against sanitizers." Off) | ||||
| 28 | | ||||
| 29 | | ||||
| 30 | | ||||
| 31 | | ||||
| 32 | set(FIND_QUIETLY_FLAG "") | ||||
| 33 | if (DEFINED Sanitizers_FIND_QUIETLY) | ||||
| 34 | set(FIND_QUIETLY_FLAG "QUIET") | ||||
| 35 | endif () | ||||
| 36 | | ||||
| 37 | find_package(ASan ${FIND_QUIETLY_FLAG}) | ||||
| 38 | find_package(TSan ${FIND_QUIETLY_FLAG}) | ||||
| 39 | find_package(MSan ${FIND_QUIETLY_FLAG}) | ||||
| 40 | find_package(UBSan ${FIND_QUIETLY_FLAG}) | ||||
| 41 | | ||||
| 42 | | ||||
| 43 | | ||||
| 44 | | ||||
| 45 | function(sanitizer_add_blacklist_file FILE) | ||||
| 46 | if(NOT IS_ABSOLUTE ${FILE}) | ||||
| 47 | set(FILE "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}") | ||||
| 48 | endif() | ||||
| 49 | get_filename_component(FILE "${FILE}" REALPATH) | ||||
| 50 | | ||||
| 51 | sanitizer_check_compiler_flags("-fsanitize-blacklist=${FILE}" | ||||
| 52 | "SanitizerBlacklist" "SanBlist") | ||||
| 53 | endfunction() | ||||
| 54 | | ||||
| 55 | function(add_sanitizers ...) | ||||
| 56 | # If no sanitizer is enabled, return immediately. | ||||
| 57 | if (NOT (SANITIZE_ADDRESS OR SANITIZE_MEMORY OR SANITIZE_THREAD OR | ||||
| 58 | SANITIZE_UNDEFINED)) | ||||
| 59 | return() | ||||
| 60 | endif () | ||||
| 61 | | ||||
| 62 | foreach (TARGET ${ARGV}) | ||||
| 63 | # Check if this target will be compiled by exactly one compiler. Other- | ||||
| 64 | # wise sanitizers can't be used and a warning should be printed once. | ||||
| 65 | sanitizer_target_compilers(${TARGET} TARGET_COMPILER) | ||||
| 66 | list(LENGTH TARGET_COMPILER NUM_COMPILERS) | ||||
| 67 | if (NUM_COMPILERS GREATER 1) | ||||
| 68 | message(WARNING "Can't use any sanitizers for target ${TARGET}, " | ||||
| 69 | "because it will be compiled by incompatible compilers. " | ||||
| 70 | "Target will be compiled without sanitizers.") | ||||
| 71 | return() | ||||
| 72 | | ||||
| 73 | # If the target is compiled by no known compiler, ignore it. | ||||
| 74 | elseif (NUM_COMPILERS EQUAL 0) | ||||
| 75 | message(WARNING "Can't use any sanitizers for target ${TARGET}, " | ||||
| 76 | "because it uses an unknown compiler. Target will be " | ||||
| 77 | "compiled without sanitizers.") | ||||
| 78 | return() | ||||
| 79 | endif () | ||||
| 80 | | ||||
| 81 | # Add sanitizers for target. | ||||
| 82 | add_sanitize_address(${TARGET}) | ||||
| 83 | add_sanitize_thread(${TARGET}) | ||||
| 84 | add_sanitize_memory(${TARGET}) | ||||
| 85 | add_sanitize_undefined(${TARGET}) | ||||
| 86 | endforeach () | ||||
| 87 | endfunction(add_sanitizers) | ||||