1include_directories(..)
2
3# Runtime library sources and build flags.
4set(HWASAN_RTL_SOURCES
5  hwasan.cpp
6  hwasan_allocator.cpp
7  hwasan_allocation_functions.cpp
8  hwasan_dynamic_shadow.cpp
9  hwasan_exceptions.cpp
10  hwasan_fuchsia.cpp
11  hwasan_globals.cpp
12  hwasan_interceptors.cpp
13  hwasan_interceptors_vfork.S
14  hwasan_linux.cpp
15  hwasan_memintrinsics.cpp
16  hwasan_poisoning.cpp
17  hwasan_report.cpp
18  hwasan_setjmp.S
19  hwasan_tag_mismatch_aarch64.S
20  hwasan_thread.cpp
21  hwasan_thread_list.cpp
22  hwasan_type_test.cpp
23  )
24
25set(HWASAN_RTL_CXX_SOURCES
26  hwasan_new_delete.cpp
27  )
28
29set(HWASAN_RTL_HEADERS
30  hwasan.h
31  hwasan_allocator.h
32  hwasan_dynamic_shadow.h
33  hwasan_flags.h
34  hwasan_flags.inc
35  hwasan_globals.h
36  hwasan_interface_internal.h
37  hwasan_malloc_bisect.h
38  hwasan_mapping.h
39  hwasan_poisoning.h
40  hwasan_report.h
41  hwasan_thread.h
42  hwasan_thread_list.h
43  )
44
45set(HWASAN_DEFINITIONS)
46append_list_if(COMPILER_RT_HWASAN_WITH_INTERCEPTORS HWASAN_WITH_INTERCEPTORS=1 HWASAN_DEFINITIONS)
47
48if(FUCHSIA)
49  # Set this explicitly on Fuchsia, otherwise the default value is set to HWASAN_WITH_INTERCEPTORS.
50  list(APPEND HWASAN_DEFINITIONS HWASAN_REPLACE_OPERATORS_NEW_AND_DELETE=1)
51endif()
52
53set(HWASAN_RTL_CFLAGS ${SANITIZER_COMMON_CFLAGS})
54append_rtti_flag(OFF HWASAN_RTL_CFLAGS)
55append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC HWASAN_RTL_CFLAGS)
56# Prevent clang from generating libc calls.
57append_list_if(COMPILER_RT_HAS_FFREESTANDING_FLAG -ffreestanding HWASAN_RTL_CFLAGS)
58
59set(HWASAN_DYNAMIC_LINK_FLAGS ${SANITIZER_COMMON_LINK_FLAGS})
60
61if(ANDROID)
62# Put most Sanitizer shared libraries in the global group. For more details, see
63# android-changes-for-ndk-developers.md#changes-to-library-search-order
64  if (COMPILER_RT_HAS_Z_GLOBAL)
65    list(APPEND HWASAN_DYNAMIC_LINK_FLAGS -Wl,-z,global)
66  endif()
67endif()
68
69set(HWASAN_DYNAMIC_CFLAGS ${HWASAN_RTL_CFLAGS})
70append_list_if(COMPILER_RT_HAS_FTLS_MODEL_INITIAL_EXEC
71  -ftls-model=initial-exec HWASAN_DYNAMIC_CFLAGS)
72append_list_if(MSVC /DEBUG HWASAN_DYNAMIC_LINK_FLAGS)
73
74set(HWASAN_DYNAMIC_LIBS ${SANITIZER_CXX_ABI_LIBRARIES} ${SANITIZER_COMMON_LINK_LIBS})
75
76append_list_if(COMPILER_RT_HAS_LIBDL dl HWASAN_DYNAMIC_LIBS)
77append_list_if(COMPILER_RT_HAS_LIBRT rt HWASAN_DYNAMIC_LIBS)
78append_list_if(COMPILER_RT_HAS_LIBM m HWASAN_DYNAMIC_LIBS)
79append_list_if(COMPILER_RT_HAS_LIBPTHREAD pthread HWASAN_DYNAMIC_LIBS)
80
81# Static runtime library.
82add_compiler_rt_component(hwasan)
83
84add_compiler_rt_object_libraries(RTHwasan
85  ARCHS ${HWASAN_SUPPORTED_ARCH}
86  SOURCES ${HWASAN_RTL_SOURCES}
87  ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
88  CFLAGS ${HWASAN_RTL_CFLAGS}
89  DEFS ${HWASAN_DEFINITIONS})
90add_compiler_rt_object_libraries(RTHwasan_cxx
91  ARCHS ${HWASAN_SUPPORTED_ARCH}
92  SOURCES ${HWASAN_RTL_CXX_SOURCES}
93  ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
94  CFLAGS ${HWASAN_RTL_CFLAGS}
95  DEFS ${HWASAN_DEFINITIONS})
96add_compiler_rt_object_libraries(RTHwasan_dynamic
97  ARCHS ${HWASAN_SUPPORTED_ARCH}
98  SOURCES ${HWASAN_RTL_SOURCES} ${HWASAN_RTL_CXX_SOURCES}
99  ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
100  CFLAGS ${HWASAN_DYNAMIC_CFLAGS}
101  DEFS ${HWASAN_DEFINITIONS})
102
103file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp "")
104add_compiler_rt_object_libraries(RTHwasan_dynamic_version_script_dummy
105  ARCHS ${HWASAN_SUPPORTED_ARCH}
106  SOURCES ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
107  CFLAGS ${HWASAN_DYNAMIC_CFLAGS}
108  DEFS ${HWASAN_DEFINITIONS})
109
110# If use_aliases is TRUE, adds the HWASan runtime built with alias support.
111# Otherwise adds the runtime without alias support.
112function(add_hwasan_runtimes arch use_aliases)
113  set(hwasan_object_lib RTHwasan)
114  set(hwasan_object_dyn_lib RTHwasan_dynamic)
115  set(hwasan_runtime clang_rt.hwasan)
116  set(hwasan_rtl_flags ${HWASAN_RTL_CFLAGS})
117  set(hwasan_dyn_flags ${HWASAN_DYNAMIC_CFLAGS})
118  if(use_aliases)
119    list(APPEND hwasan_rtl_flags -DHWASAN_ALIASING_MODE)
120    list(APPEND hwasan_dyn_flags -DHWASAN_ALIASING_MODE)
121    add_compiler_rt_object_libraries(RTHwasanAliases
122      ARCHS ${arch}
123      SOURCES ${HWASAN_RTL_SOURCES}
124      ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
125      CFLAGS ${hwasan_rtl_flags}
126      DEFS ${HWASAN_DEFINITIONS})
127    add_compiler_rt_object_libraries(RTHwasanAliases_dynamic
128      ARCHS ${arch}
129      SOURCES ${HWASAN_RTL_SOURCES} ${HWASAN_RTL_CXX_SOURCES}
130      ADDITIONAL_HEADERS ${HWASAN_RTL_HEADERS}
131      CFLAGS ${hwasan_dyn_flags}
132      DEFS ${HWASAN_DEFINITIONS})
133
134    set(hwasan_object_lib RTHwasanAliases)
135    set(hwasan_object_dyn_lib RTHwasanAliases_dynamic)
136    set(hwasan_runtime clang_rt.hwasan_aliases)
137  endif()
138  add_compiler_rt_runtime(${hwasan_runtime}
139    STATIC
140    ARCHS ${arch}
141    OBJECT_LIBS ${hwasan_object_lib}
142                RTInterception
143                RTSanitizerCommon
144                RTSanitizerCommonLibc
145                RTSanitizerCommonCoverage
146                RTSanitizerCommonSymbolizer
147                RTUbsan
148    CFLAGS ${hwasan_rtl_flags}
149    PARENT_TARGET hwasan)
150  add_compiler_rt_runtime(${hwasan_runtime}_cxx
151    STATIC
152    ARCHS ${arch}
153    OBJECT_LIBS RTHwasan_cxx
154                RTUbsan_cxx
155    CFLAGS ${hwasan_rtl_flags}
156    PARENT_TARGET hwasan)
157
158  if (UNIX)
159    add_sanitizer_rt_version_list(${hwasan_runtime}-dynamic-${arch}
160                                  LIBS ${hwasan_runtime}-${arch} ${hwasan_runtime}_cxx-${arch}
161                                  EXTRA hwasan.syms.extra)
162    set(VERSION_SCRIPT_FLAG
163         -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${hwasan_runtime}-dynamic-${arch}.vers)
164    set_property(SOURCE
165      ${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp
166      APPEND PROPERTY
167      OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${hwasan_runtime}-dynamic-${arch}.vers)
168  else()
169    set(VERSION_SCRIPT_FLAG)
170  endif()
171
172
173  add_compiler_rt_runtime(${hwasan_runtime}
174    SHARED
175    ARCHS ${arch}
176    OBJECT_LIBS
177            ${hwasan_object_dyn_lib}
178            RTInterception
179            RTSanitizerCommon
180            RTSanitizerCommonLibc
181            RTSanitizerCommonCoverage
182            RTSanitizerCommonSymbolizer
183            RTUbsan
184            RTUbsan_cxx
185            # The only purpose of RTHWAsan_dynamic_version_script_dummy is to
186            # carry a dependency of the shared runtime on the version script.
187            # Replacing it with a straightforward
188            # add_dependencies(clang_rt.asan-dynamic-${arch} clang_rt.asan-dynamic-${arch}-version-list)
189            # generates an order-only dependency in ninja.
190            RTHwasan_dynamic_version_script_dummy
191    CFLAGS ${hwasan_dyn_flags}
192    LINK_FLAGS ${HWASAN_DYNAMIC_LINK_FLAGS}
193              ${VERSION_SCRIPT_FLAG}
194    LINK_LIBS ${HWASAN_DYNAMIC_LIBS}
195    DEFS ${ASAN_DYNAMIC_DEFINITIONS}
196    PARENT_TARGET hwasan)
197
198  if(SANITIZER_USE_SYMBOLS)
199    add_sanitizer_rt_symbols(${hwasan_runtime}
200      ARCHS ${arch}
201      EXTRA hwasan.syms.extra)
202    add_sanitizer_rt_symbols(${hwasan_runtime}_cxx
203      ARCHS ${arch}
204      EXTRA hwasan.syms.extra)
205    add_dependencies(hwasan ${hwasan_runtime}-${arch}-symbols
206                          ${hwasan_runtime}_cxx-${arch}-symbols)
207  endif()
208endfunction()
209
210foreach(arch ${HWASAN_SUPPORTED_ARCH})
211  add_hwasan_runtimes(${arch} FALSE)
212  if(${arch} MATCHES "x86_64")
213    add_hwasan_runtimes(${arch} TRUE)
214  endif()
215endforeach()
216
217add_compiler_rt_resource_file(hwasan_ignorelist hwasan_ignorelist.txt hwasan)
218
219add_subdirectory("scripts")
220
221# if(COMPILER_RT_INCLUDE_TESTS)
222#   add_subdirectory(tests)
223# endif()
224