[PATCH] D44017: OpenBSD UBsan support, cmake part

[David CARLIER via Phabricator via llvm-commits]

devnexen created this revision.
devnexen added reviewers: krytarowski, vitalybuka.
devnexen created this object with visibility "All Users".
Herald added subscribers: Sanitizers, llvm-commits, fedor.sergeev, mgorny, srhines.

On OpenBSD no multi arch support
Enabling only UBsan and disabling Asan.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D44017

Files:
  cmake/base-config-ix.cmake
  cmake/config-ix.cmake


Index: cmake/config-ix.cmake
===================================================================
--- cmake/config-ix.cmake
+++ cmake/config-ix.cmake
@@ -488,7 +488,7 @@
 list_replace(COMPILER_RT_SANITIZERS_TO_BUILD all "${ALL_SANITIZERS}")
 
 if (SANITIZER_COMMON_SUPPORTED_ARCH AND NOT LLVM_USE_SANITIZER AND
-    (OS_NAME MATCHES "Android|Darwin|Linux|FreeBSD|NetBSD|Fuchsia|SunOS" OR
+    (OS_NAME MATCHES "Android|Darwin|Linux|FreeBSD|NetBSD|OpenBSD|Fuchsia|SunOS" OR
     (OS_NAME MATCHES "Windows" AND (NOT MINGW AND NOT CYGWIN))))
   set(COMPILER_RT_HAS_SANITIZER_COMMON TRUE)
 else()
@@ -501,7 +501,8 @@
   set(COMPILER_RT_HAS_INTERCEPTION FALSE)
 endif()
 
-if (COMPILER_RT_HAS_SANITIZER_COMMON AND ASAN_SUPPORTED_ARCH)
+if (COMPILER_RT_HAS_SANITIZER_COMMON AND ASAN_SUPPORTED_ARCH AND
+    NOT OS_NAME MATCHES "OpenBSD")
   set(COMPILER_RT_HAS_ASAN TRUE)
 else()
   set(COMPILER_RT_HAS_ASAN FALSE)
@@ -558,14 +559,14 @@
 endif()
 
 if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND
-    OS_NAME MATCHES "Darwin|Linux|FreeBSD|NetBSD|Windows|Android|Fuchsia|SunOS")
+    OS_NAME MATCHES "Darwin|Linux|FreeBSD|NetBSD|OpenBSD|Windows|Android|Fuchsia|SunOS")
   set(COMPILER_RT_HAS_UBSAN TRUE)
 else()
   set(COMPILER_RT_HAS_UBSAN FALSE)
 endif()
 
 if (COMPILER_RT_HAS_SANITIZER_COMMON AND UBSAN_SUPPORTED_ARCH AND
-    OS_NAME MATCHES "Linux|FreeBSD|NetBSD|Android|Darwin")
+    OS_NAME MATCHES "Linux|FreeBSD|NetBSD|OpenBSD|Android|Darwin")
   set(COMPILER_RT_HAS_UBSAN_MINIMAL TRUE)
 else()
   set(COMPILER_RT_HAS_UBSAN_MINIMAL FALSE)
Index: cmake/base-config-ix.cmake
===================================================================
--- cmake/base-config-ix.cmake
+++ cmake/base-config-ix.cmake
@@ -139,8 +139,16 @@
       add_default_target_arch(${COMPILER_RT_DEFAULT_TARGET_ARCH})
     elseif("${COMPILER_RT_DEFAULT_TARGET_ARCH}" MATCHES "i[2-6]86|x86|amd64")
       if(NOT MSVC)
-        test_target_arch(x86_64 "" "-m64")
-        test_target_arch(i386 __i386__ "-m32")
+        if(CMAKE_SYSTEM_NAME MATCHES "OpenBSD")
+          if (CMAKE_SIZEOF_VOID_P EQUAL 4)
+            test_target_arch(i386 __i386__ "-m32")
+          else()
+            test_target_arch(x86_64 "" "-m64")
+          endif()
+        else()
+          test_target_arch(x86_64 "" "-m64")
+          test_target_arch(i386 __i386__ "-m32")
+        endif()
       else()
         if (CMAKE_SIZEOF_VOID_P EQUAL 4)
           test_target_arch(i386 "" "")


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