1include(BuiltinTests)
2include(CheckCSourceCompiles)
3
4# Make all the tests only check the compiler
5set(TEST_COMPILE_ONLY On)
6
7# Check host compiler support for certain flags
8builtin_check_c_compiler_flag(-fPIC                 COMPILER_RT_HAS_FPIC_FLAG)
9builtin_check_c_compiler_flag(-fPIE                 COMPILER_RT_HAS_FPIE_FLAG)
10builtin_check_c_compiler_flag(-fno-builtin          COMPILER_RT_HAS_FNO_BUILTIN_FLAG)
11builtin_check_c_compiler_flag(-std=c11              COMPILER_RT_HAS_STD_C11_FLAG)
12builtin_check_c_compiler_flag(-fvisibility=hidden   COMPILER_RT_HAS_VISIBILITY_HIDDEN_FLAG)
13builtin_check_c_compiler_flag(-fomit-frame-pointer  COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG)
14builtin_check_c_compiler_flag(-ffreestanding        COMPILER_RT_HAS_FREESTANDING_FLAG)
15builtin_check_c_compiler_flag(-fxray-instrument     COMPILER_RT_HAS_XRAY_COMPILER_FLAG)
16
17builtin_check_c_compiler_source(COMPILER_RT_HAS_ATOMIC_KEYWORD
18"
19int foo(int x, int y) {
20 _Atomic int result = x * y;
21 return result;
22}
23")
24
25
26set(ARM64 aarch64)
27set(ARM32 arm armhf armv6m armv7m armv7em armv7 armv7s armv7k)
28set(HEXAGON hexagon)
29set(X86 i386)
30set(X86_64 x86_64)
31set(MIPS32 mips mipsel)
32set(MIPS64 mips64 mips64el)
33set(MIPS_CHERI_PURECAP mips64c128)
34set(PPC64 powerpc64 powerpc64le)
35set(RISCV32 riscv32)
36set(RISCV64 riscv64)
37set(SPARC sparc)
38set(SPARCV9 sparcv9)
39set(WASM32 wasm32)
40set(WASM64 wasm64)
41set(VE ve)
42
43if(APPLE)
44  set(ARM64 arm64 arm64e)
45  set(ARM32 armv7 armv7k armv7s)
46  set(X86_64 x86_64 x86_64h)
47endif()
48
49set(ALL_BUILTIN_SUPPORTED_ARCH
50  ${X86} ${X86_64} ${ARM32} ${ARM64}
51  ${HEXAGON} ${MIPS32} ${MIPS64} ${MIPS_CHERI_PURECAP} ${PPC64}
52  ${RISCV32} ${RISCV64} ${SPARC} ${SPARCV9}
53  ${WASM32} ${WASM64} ${VE})
54
55include(CompilerRTUtils)
56include(CompilerRTDarwinUtils)
57
58if(APPLE)
59
60  find_darwin_sdk_dir(DARWIN_osx_SYSROOT macosx)
61  find_darwin_sdk_dir(DARWIN_iossim_SYSROOT iphonesimulator)
62  find_darwin_sdk_dir(DARWIN_ios_SYSROOT iphoneos)
63  find_darwin_sdk_dir(DARWIN_watchossim_SYSROOT watchsimulator)
64  find_darwin_sdk_dir(DARWIN_watchos_SYSROOT watchos)
65  find_darwin_sdk_dir(DARWIN_tvossim_SYSROOT appletvsimulator)
66  find_darwin_sdk_dir(DARWIN_tvos_SYSROOT appletvos)
67
68  # Get supported architecture from SDKSettings.
69  function(sdk_has_arch_support sdk_path os arch has_support)
70    execute_process(COMMAND
71        /usr/libexec/PlistBuddy -c "Print :SupportedTargets:${os}:Archs" ${sdk_path}/SDKSettings.plist
72      OUTPUT_VARIABLE SDK_SUPPORTED_ARCHS
73      RESULT_VARIABLE PLIST_ERROR)
74    if (PLIST_ERROR EQUAL 0 AND
75        SDK_SUPPORTED_ARCHS MATCHES " ${arch}\n")
76      message(STATUS "Found ${arch} support in ${sdk_path}/SDKSettings.plist")
77      set("${has_support}" On PARENT_SCOPE)
78    else()
79      message(STATUS "No ${arch} support in ${sdk_path}/SDKSettings.plist")
80      set("${has_support}" Off PARENT_SCOPE)
81    endif()
82  endfunction()
83
84  set(DARWIN_EMBEDDED_PLATFORMS)
85  set(DARWIN_osx_BUILTIN_MIN_VER 10.5)
86  set(DARWIN_osx_BUILTIN_MIN_VER_FLAG
87      -mmacosx-version-min=${DARWIN_osx_BUILTIN_MIN_VER})
88  set(DARWIN_osx_BUILTIN_ALL_POSSIBLE_ARCHS ${X86} ${X86_64})
89  # Add support for arm64 macOS if available in SDK.
90  foreach(arch ${ARM64})
91    sdk_has_arch_support(${DARWIN_osx_SYSROOT} macosx ${arch} MACOS_ARM_SUPPORT)
92    if (MACOS_ARM_SUPPORT)
93     list(APPEND DARWIN_osx_BUILTIN_ALL_POSSIBLE_ARCHS ${arch})
94    endif()
95  endforeach(arch)
96
97  if(COMPILER_RT_ENABLE_IOS)
98    list(APPEND DARWIN_EMBEDDED_PLATFORMS ios)
99    set(DARWIN_ios_MIN_VER_FLAG -miphoneos-version-min)
100    set(DARWIN_ios_BUILTIN_MIN_VER 6.0)
101    set(DARWIN_ios_BUILTIN_MIN_VER_FLAG
102      ${DARWIN_ios_MIN_VER_FLAG}=${DARWIN_ios_BUILTIN_MIN_VER})
103    set(DARWIN_ios_BUILTIN_ALL_POSSIBLE_ARCHS ${ARM64} ${ARM32})
104    set(DARWIN_iossim_BUILTIN_ALL_POSSIBLE_ARCHS ${X86} ${X86_64})
105  endif()
106  if(COMPILER_RT_ENABLE_WATCHOS)
107    list(APPEND DARWIN_EMBEDDED_PLATFORMS watchos)
108    set(DARWIN_watchos_MIN_VER_FLAG -mwatchos-version-min)
109    set(DARWIN_watchos_BUILTIN_MIN_VER 2.0)
110    set(DARWIN_watchos_BUILTIN_MIN_VER_FLAG
111      ${DARWIN_watchos_MIN_VER_FLAG}=${DARWIN_watchos_BUILTIN_MIN_VER})
112    set(DARWIN_watchos_BUILTIN_ALL_POSSIBLE_ARCHS armv7 armv7k)
113    set(DARWIN_watchossim_BUILTIN_ALL_POSSIBLE_ARCHS ${X86})
114  endif()
115  if(COMPILER_RT_ENABLE_TVOS)
116    list(APPEND DARWIN_EMBEDDED_PLATFORMS tvos)
117    set(DARWIN_tvos_MIN_VER_FLAG -mtvos-version-min)
118    set(DARWIN_tvos_BUILTIN_MIN_VER 9.0)
119    set(DARWIN_tvos_BUILTIN_MIN_VER_FLAG
120      ${DARWIN_tvos_MIN_VER_FLAG}=${DARWIN_tvos_BUILTIN_MIN_VER})
121    set(DARWIN_tvos_BUILTIN_ALL_POSSIBLE_ARCHS armv7 arm64)
122    set(DARWIN_tvossim_BUILTIN_ALL_POSSIBLE_ARCHS ${X86} ${X86_64})
123  endif()
124
125  set(BUILTIN_SUPPORTED_OS osx)
126
127  # We're setting the flag manually for each target OS
128  set(CMAKE_OSX_DEPLOYMENT_TARGET "")
129
130  # NOTE: We deliberately avoid using `DARWIN_<os>_ARCHS` here because that is
131  # used by `config-ix.cmake` in the context of building the rest of
132  # compiler-rt where the global `${TEST_COMPILE_ONLY}` (used by
133  # `darwin_test_archs()`) has a different value.
134  darwin_test_archs(osx
135    DARWIN_osx_BUILTIN_ARCHS
136    ${DARWIN_osx_BUILTIN_ALL_POSSIBLE_ARCHS}
137  )
138  message(STATUS "OSX supported builtin arches: ${DARWIN_osx_BUILTIN_ARCHS}")
139  foreach(arch ${DARWIN_osx_BUILTIN_ARCHS})
140    list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
141    set(CAN_TARGET_${arch} 1)
142  endforeach()
143
144  foreach(platform ${DARWIN_EMBEDDED_PLATFORMS})
145    if(DARWIN_${platform}sim_SYSROOT)
146      set(DARWIN_${platform}sim_BUILTIN_MIN_VER
147        ${DARWIN_${platform}_BUILTIN_MIN_VER})
148      set(DARWIN_${platform}sim_BUILTIN_MIN_VER_FLAG
149        ${DARWIN_${platform}_BUILTIN_MIN_VER_FLAG})
150
151      set(DARWIN_${platform}sim_SKIP_CC_KEXT On)
152
153      darwin_test_archs(${platform}sim
154        DARWIN_${platform}sim_BUILTIN_ARCHS
155        ${DARWIN_${platform}sim_BUILTIN_ALL_POSSIBLE_ARCHS}
156      )
157      message(STATUS "${platform} Simulator supported builtin arches: ${DARWIN_${platform}sim_BUILTIN_ARCHS}")
158      if(DARWIN_${platform}sim_BUILTIN_ARCHS)
159        list(APPEND BUILTIN_SUPPORTED_OS ${platform}sim)
160      endif()
161      foreach(arch ${DARWIN_${platform}sim_BUILTIN_ARCHS})
162        list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
163        set(CAN_TARGET_${arch} 1)
164      endforeach()
165    endif()
166
167    if(DARWIN_${platform}_SYSROOT)
168      darwin_test_archs(${platform}
169        DARWIN_${platform}_BUILTIN_ARCHS
170        ${DARWIN_${platform}_BUILTIN_ALL_POSSIBLE_ARCHS}
171      )
172      message(STATUS "${platform} supported builtin arches: ${DARWIN_${platform}_BUILTIN_ARCHS}")
173      if(DARWIN_${platform}_BUILTIN_ARCHS)
174        list(APPEND BUILTIN_SUPPORTED_OS ${platform})
175      endif()
176      foreach(arch ${DARWIN_${platform}_BUILTIN_ARCHS})
177        list(APPEND COMPILER_RT_SUPPORTED_ARCH ${arch})
178        set(CAN_TARGET_${arch} 1)
179      endforeach()
180    endif()
181  endforeach()
182
183  list_intersect(BUILTIN_SUPPORTED_ARCH ALL_BUILTIN_SUPPORTED_ARCH COMPILER_RT_SUPPORTED_ARCH)
184
185else()
186  # If we're not building the builtins standalone, just rely on the  tests in
187  # config-ix.cmake to tell us what to build. Otherwise we need to do some leg
188  # work here...
189  if(COMPILER_RT_BUILTINS_STANDALONE_BUILD)
190    test_targets()
191  endif()
192  # Architectures supported by compiler-rt libraries.
193  filter_available_targets(BUILTIN_SUPPORTED_ARCH
194    ${ALL_BUILTIN_SUPPORTED_ARCH})
195endif()
196
197message(STATUS "Builtin supported architectures: ${BUILTIN_SUPPORTED_ARCH}")
198