CMake build rules for ASan Android runtime and tests.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@163613 91177308-0d34-0410-b5e6-96231b3b80d8

5 files changed, 83 insertions, 42 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1ad91715..d336eedd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,20 +48,6 @@ try_compile(CAN_TARGET_I386 ${CMAKE_BINARY_DIR} ${SIMPLE_SOURCE32}
             COMPILE_DEFINITIONS "${TARGET_I386_CFLAGS}"
             CMAKE_FLAGS "-DCMAKE_EXE_LINKER_FLAGS:STRING=${TARGET_I386_CFLAGS}")
 
-if(LLVM_ANDROID_TOOLCHAIN_DIR)
-  if(EXISTS ${LLVM_ANDROID_TOOLCHAIN_DIR}/arm-linux-androideabi)
-    set(CAN_TARGET_ARM_ANDROID 1)
-    set(TARGET_ARM_ANDROID_CFLAGS
-      -target arm-linux-androideabi
-      --sysroot=${LLVM_ANDROID_TOOLCHAIN_DIR}/sysroot
-      -B${LLVM_ANDROID_TOOLCHAIN_DIR}
-      )
-  else()
-    set(CAN_TARGET_ARM_ANDROID 0)
-  endif()
-  # TODO: support i686 and MIPS Android toolchains
-endif()
-
 function(filter_available_targets out_var)
   set(archs)
   foreach(arch ${ARGN})
@@ -106,6 +92,13 @@ function(set_target_compile_flags target)
   set_property(TARGET ${target} PROPERTY COMPILE_FLAGS "${argstring}")
 endfunction()
 
+function(set_target_link_flags target)
+  foreach(arg ${ARGN})
+    set(argstring "${argstring} ${arg}")
+  endforeach()
+  set_property(TARGET ${target} PROPERTY LINK_FLAGS "${argstring}")
+endfunction()
+
 # Compute the Clang version from the LLVM version.
 # FIXME: We should be able to reuse CLANG_VERSION variable calculated
 #        in Clang cmake files, instead of copying the rules here.
diff --git a/lib/asan/CMakeLists.txt b/lib/asan/CMakeLists.txt
index 235087f8..884a7189 100644
--- a/lib/asan/CMakeLists.txt
+++ b/lib/asan/CMakeLists.txt
@@ -30,11 +30,20 @@ include_directories(..)
 
 set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 
-set(ASAN_COMMON_DEFINITIONS
-  ASAN_HAS_EXCEPTIONS=1
-  ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0
-  ASAN_NEEDS_SEGV=1
-  )
+if(ANDROID)
+  set(ASAN_COMMON_DEFINITIONS
+    ASAN_HAS_EXCEPTIONS=1
+    ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0
+    ASAN_NEEDS_SEGV=0
+    ASAN_LOW_MEMORY=1
+    )
+else()
+  set(ASAN_COMMON_DEFINITIONS
+    ASAN_HAS_EXCEPTIONS=1
+    ASAN_FLEXIBLE_MAPPING_AND_OFFSET=0
+    ASAN_NEEDS_SEGV=1
+    )
+endif()
 
 set(ASAN_DYLIB_DEFINITIONS
   ${ASAN_COMMON_DEFINITIONS}
@@ -54,6 +63,17 @@ if(APPLE)
   set_target_properties(clang_rt.asan_osx PROPERTIES
     OSX_ARCHITECTURES "${ASAN_TARGETS}")
   list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan_osx)
+elseif(ANDROID)
+  add_library(clang_rt.asan-arm-android SHARED
+    ${ASAN_SOURCES}
+    $<TARGET_OBJECTS:RTInterception.arm.android>
+    $<TARGET_OBJECTS:RTSanitizerCommon.arm.android>
+    )
+  set_target_compile_flags(clang_rt.asan-arm-android
+    ${ASAN_CFLAGS}
+    )
+  target_link_libraries(clang_rt.asan-arm-android dl)
+  list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-arm-android)
 else()
   # Otherwise, build separate libraries for each target.
   if(CAN_TARGET_X86_64)
@@ -78,17 +98,6 @@ else()
       )
     list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-i386)
   endif()
-  if(CAN_TARGET_ARM_ANDROID)
-    add_library(clang_rt.asan-arm-android STATIC
-      ${ASAN_SOURCES}
-      $<TARGET_OBJECTS:RTInterception.arm.android>
-      $<TARGET_OBJECTS:RTSanitizerCommon.arm.android>
-      )
-    set_target_compile_flags(clang_rt.asan-arm-android
-      ${ASAN_CFLAGS} ${TARGET_ARM_ANDROID_CFLAGS}
-      )
-    list(APPEND ASAN_RUNTIME_LIBRARIES clang_rt.asan-arm-android)
-  endif()
 endif()
 
 set_property(TARGET ${ASAN_RUNTIME_LIBRARIES} APPEND PROPERTY
diff --git a/lib/asan/tests/CMakeLists.txt b/lib/asan/tests/CMakeLists.txt
index a998cd81..b8ff0611 100644
--- a/lib/asan/tests/CMakeLists.txt
+++ b/lib/asan/tests/CMakeLists.txt
@@ -15,17 +15,32 @@ include_directories(..)
 include_directories(../..)
 
 set(ASAN_UNITTEST_COMMON_CFLAGS
-  # Use -D instead of definitions to please custom compile command.
-  -DASAN_HAS_BLACKLIST=1
-  -DASAN_HAS_EXCEPTIONS=1
-  -DASAN_NEEDS_SEGV=1
-  -DASAN_UAR=0
   -Wall
   -Wno-format
   -fvisibility=hidden
   -g
   -O2
 )
+
+# Use -D instead of definitions to please custom compile command.
+if(ANDROID)
+  list(APPEND ASAN_UNITTEST_COMMON_CFLAGS
+    -DASAN_LOW_MEMORY=1
+    -DASAN_HAS_BLACKLIST=1
+    -DASAN_HAS_EXCEPTIONS=1
+    -DASAN_NEEDS_SEGV=0
+    -DASAN_UAR=0
+    -fPIE
+  )
+else()
+  list(APPEND ASAN_UNITTEST_COMMON_CFLAGS
+    -DASAN_HAS_BLACKLIST=1
+    -DASAN_HAS_EXCEPTIONS=1
+    -DASAN_NEEDS_SEGV=1
+    -DASAN_UAR=0
+  )
+endif()
+
 # Support 64-bit and 32-bit builds.
 if(LLVM_BUILD_32_BITS)
   list(APPEND ASAN_UNITTEST_COMMON_CFLAGS -m32)
@@ -60,6 +75,8 @@ function(add_asan_test testsuite testname)
     set_property(TARGET ${testname} APPEND PROPERTY
                  LINK_FLAGS "-framework Foundation")
     target_link_libraries(${testname} clang_rt.asan_osx)
+  elseif (ANDROID)
+    target_link_libraries(${testname} clang_rt.asan-arm-android)
   elseif (UNIX)
     # Linux-specific linker flags.
     set_property(TARGET ${testname} APPEND PROPERTY
@@ -89,7 +106,8 @@ set(ASAN_INST_TEST_OBJECTS)
 # We only support building instrumented tests when we're not cross compiling
 # and targeting a unix-like system where we can predict viable compilation and
 # linking strategies.
-if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND UNIX)
+# We use a different approach to build these tests for Android. See below.
+if("${CMAKE_HOST_SYSTEM}" STREQUAL "${CMAKE_SYSTEM}" AND UNIX AND NOT ANDROID)
 
   # This function is a custom routine to manage manually compiling source files
   # for unit tests with the just-built Clang binary, using the ASan
@@ -128,5 +146,26 @@ endif()
 # Main AddressSanitizer unit tests.
 add_custom_target(AsanUnitTests)
 set_target_properties(AsanUnitTests PROPERTIES FOLDER "ASan unit tests")
-add_asan_test(AsanUnitTests AsanTest ${ASAN_NOINST_TEST_SOURCES}
-                                     ${ASAN_INST_TEST_OBJECTS})
+
+if(ANDROID)
+  set(ASAN_INST_TEST_SOURCES asan_globals_test.cc asan_test.cc)
+  add_library(asan_noinst_test OBJECT
+    ${ASAN_NOINST_TEST_SOURCES}
+    )
+  set_target_compile_flags(asan_noinst_test
+    ${ASAN_UNITTEST_COMMON_CFLAGS} ${ASAN_GTEST_INCLUDE_CFLAGS}
+    )
+  add_asan_test(AsanUnitTests AsanTest
+    ${ASAN_INST_TEST_SOURCES}
+    $<TARGET_OBJECTS:asan_noinst_test>
+    )
+  set_target_compile_flags(AsanTest
+    ${ASAN_UNITTEST_INSTRUMENTED_CFLAGS} ${ASAN_GTEST_INCLUDE_CFLAGS}
+    )
+  set_target_link_flags(AsanTest
+    -pie
+    )
+else()
+  add_asan_test(AsanUnitTests AsanTest ${ASAN_NOINST_TEST_SOURCES}
+    ${ASAN_INST_TEST_OBJECTS})
+endif()
diff --git a/lib/interception/CMakeLists.txt b/lib/interception/CMakeLists.txt
index 2c7619b6..00a3e8bf 100644
--- a/lib/interception/CMakeLists.txt
+++ b/lib/interception/CMakeLists.txt
@@ -34,9 +34,9 @@ else()
     set_target_compile_flags(RTInterception.i386
       ${INTERCEPTION_CFLAGS} ${TARGET_I386_CFLAGS})
   endif()
-  if(CAN_TARGET_ARM_ANDROID)
+  if(ANDROID)
     add_library(RTInterception.arm.android OBJECT ${INTERCEPTION_SOURCES})
     set_target_compile_flags(RTInterception.arm.android
-      ${INTERCEPTION_CFLAGS} ${TARGET_ARM_ANDROID_CFLAGS})
+      ${INTERCEPTION_CFLAGS})
   endif()
 endif()
diff --git a/lib/sanitizer_common/CMakeLists.txt b/lib/sanitizer_common/CMakeLists.txt
index c43e747f..4c24fceb 100644
--- a/lib/sanitizer_common/CMakeLists.txt
+++ b/lib/sanitizer_common/CMakeLists.txt
@@ -44,10 +44,10 @@ else()
       ${SANITIZER_CFLAGS} ${TARGET_I386_CFLAGS})
     list(APPEND SANITIZER_RUNTIME_LIBRARIES RTSanitizerCommon.i386)
   endif()
-  if(CAN_TARGET_ARM_ANDROID)
+  if(ANDROID)
     add_library(RTSanitizerCommon.arm.android OBJECT ${SANITIZER_SOURCES})
     set_target_compile_flags(RTSanitizerCommon.arm.android
-      ${SANITIZER_CFLAGS} ${TARGET_ARM_ANDROID_CFLAGS})
+      ${SANITIZER_CFLAGS})
     list(APPEND SANITIZER_RUNTIME_LIBRARIES RTSanitizerCommon.arm.android)
   endif()
 endif()