5 files changed, 133 insertions, 4 deletions
diff --git a/lib/Support/Android.mk b/lib/Support/Android.mk
new file mode 100644
index 0000000..6983b29
--- /dev/null
+++ b/lib/Support/Android.mk
@@ -0,0 +1,111 @@
+LOCAL_PATH:= $(call my-dir)
+
+support_SRC_FILES := \
+  Allocator.cpp \
+  APFloat.cpp \
+  APInt.cpp \
+  APSInt.cpp \
+  Atomic.cpp \
+  BlockFrequency.cpp \
+  BranchProbability.cpp \
+  CommandLine.cpp \
+  ConstantRange.cpp \
+  CrashRecoveryContext.cpp \
+  DAGDeltaAlgorithm.cpp \
+  DataStream.cpp \
+  DataExtractor.cpp \
+  Debug.cpp \
+  DeltaAlgorithm.cpp \
+  Dwarf.cpp \
+  DynamicLibrary.cpp \
+  Errno.cpp \
+  ErrorHandling.cpp \
+  FileUtilities.cpp \
+  FoldingSet.cpp \
+  FormattedStream.cpp \
+  GraphWriter.cpp \
+  Hashing.cpp \
+  Host.cpp \
+  IntervalMap.cpp \
+  IntEqClasses.cpp \
+  IntrusiveRefCntPtr.cpp \
+  IsInf.cpp \
+  IsNAN.cpp \
+  Locale.cpp \
+  LockFileManager.cpp \
+  ManagedStatic.cpp \
+  Memory.cpp \
+  MemoryBuffer.cpp \
+  MemoryObject.cpp \
+  Mutex.cpp \
+  Path.cpp \
+  PathV2.cpp \
+  PluginLoader.cpp \
+  PrettyStackTrace.cpp \
+  Process.cpp \
+  Program.cpp \
+  Regex.cpp \
+  RWMutex.cpp \
+  SearchForAddressOfSpecialSymbol.cpp \
+  Signals.cpp \
+  SmallPtrSet.cpp \
+  SmallVector.cpp \
+  SourceMgr.cpp \
+  Statistic.cpp \
+  StreamableMemoryObject.cpp \
+  StringExtras.cpp \
+  StringMap.cpp \
+  StringPool.cpp \
+  StringRef.cpp \
+  SystemUtils.cpp \
+  TargetRegistry.cpp \
+  Threading.cpp \
+  ThreadLocal.cpp \
+  Timer.cpp \
+  TimeValue.cpp \
+  ToolOutputFile.cpp \
+  Triple.cpp \
+  Twine.cpp \
+  Valgrind.cpp \
+  circular_raw_ostream.cpp \
+  raw_os_ostream.cpp \
+  raw_ostream.cpp \
+  regcomp.c \
+  regerror.c \
+  regexec.c \
+  regfree.c \
+  regstrlcpy.c \
+  system_error.cpp
+
+# For the host
+# =====================================================
+include $(CLEAR_VARS)
+
+# FIXME: This only requires RTTI because tblgen uses it.  Fix that.
+REQUIRES_RTTI := 1
+
+LOCAL_SRC_FILES := $(support_SRC_FILES)
+
+LOCAL_MODULE:= libLLVMSupport
+
+LOCAL_CFLAGS := -D__android__
+
+LOCAL_MODULE_TAGS := optional
+
+include $(LLVM_HOST_BUILD_MK)
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+# For the device
+# =====================================================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(support_SRC_FILES)
+
+LOCAL_MODULE:= libLLVMSupport
+
+LOCAL_CFLAGS := -D__android__
+
+LOCAL_MODULE_TAGS := optional
+
+include $(LLVM_DEVICE_BUILD_MK)
+include $(BUILD_STATIC_LIBRARY)
diff --git a/lib/Support/Atomic.cpp b/lib/Support/Atomic.cpp
index 3001f6c..58497b9 100644
--- a/lib/Support/Atomic.cpp
+++ b/lib/Support/Atomic.cpp
@@ -13,6 +13,9 @@
 
 #include "llvm/Support/Atomic.h"
 #include "llvm/Config/llvm-config.h"
+#if defined(ANDROID_TARGET_BUILD)
+#include "cutils/atomic.h"
+#endif
 
 using namespace llvm;
 
@@ -43,6 +46,9 @@ sys::cas_flag sys::CompareAndSwap(volatile sys::cas_flag* ptr,
   if (result == old_value)
     *ptr = new_value;
   return result;
+#elif defined(ANDROID_TARGET_BUILD)
+  return android_atomic_cmpxchg((int32_t)old_value, (int32_t)new_value,
+                                (volatile int*)ptr);
 #elif defined(__GNUC__)
   return __sync_val_compare_and_swap(ptr, old_value, new_value);
 #elif defined(_MSC_VER)
@@ -56,6 +62,8 @@ sys::cas_flag sys::AtomicIncrement(volatile sys::cas_flag* ptr) {
 #if LLVM_HAS_ATOMICS == 0
   ++(*ptr);
   return *ptr;
+#elif defined(ANDROID_TARGET_BUILD)
+  return android_atomic_inc((volatile int*)ptr);
 #elif defined(__GNUC__)
   return __sync_add_and_fetch(ptr, 1);
 #elif defined(_MSC_VER)
@@ -69,6 +77,8 @@ sys::cas_flag sys::AtomicDecrement(volatile sys::cas_flag* ptr) {
 #if LLVM_HAS_ATOMICS == 0
   --(*ptr);
   return *ptr;
+#elif defined(ANDROID_TARGET_BUILD)
+  return android_atomic_dec((volatile int*)ptr);
 #elif defined(__GNUC__)
   return __sync_sub_and_fetch(ptr, 1);
 #elif defined(_MSC_VER)
@@ -82,6 +92,8 @@ sys::cas_flag sys::AtomicAdd(volatile sys::cas_flag* ptr, sys::cas_flag val) {
 #if LLVM_HAS_ATOMICS == 0
   *ptr += val;
   return *ptr;
+#elif defined(ANDROID_TARGET_BUILD)
+  return android_atomic_add((int32_t)val, (volatile int*)ptr);
 #elif defined(__GNUC__)
   return __sync_add_and_fetch(ptr, val);
 #elif defined(_MSC_VER)
diff --git a/lib/Support/Memory.cpp b/lib/Support/Memory.cpp
index 22f7494..8617365 100644
--- a/lib/Support/Memory.cpp
+++ b/lib/Support/Memory.cpp
@@ -70,6 +70,10 @@ void llvm::sys::Memory::InvalidateInstructionCache(const void *Addr,
   const char *Start = static_cast<const char *>(Addr);
   const char *End = Start + Len;
   __clear_cache(const_cast<char *>(Start), const_cast<char *>(End));
+#  elif defined(__mips__) && defined(ANDROID)
+  // NOTE: The declaration of "cacheflush" in bionic:
+  // extern int cacheflush(long start, long end, long flags);
+  cacheflush((long)Addr, (long)(Addr+Len), BCACHE);
 #  elif defined(__mips__)
   const char *Start = static_cast<const char *>(Addr);
   cacheflush(const_cast<char *>(Start), Len, BCACHE);
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc
index d04f590..f59551e 100644
--- a/lib/Support/Unix/PathV2.inc
+++ b/lib/Support/Unix/PathV2.inc
@@ -61,6 +61,8 @@
 # define PATH_MAX 4096
 #endif
 
+extern "C" int truncate (const char*, off_t);
+
 using namespace llvm;
 
 namespace {
diff --git a/lib/Support/Unix/Signals.inc b/lib/Support/Unix/Signals.inc
index b7f83b6..2f1e382 100644
--- a/lib/Support/Unix/Signals.inc
+++ b/lib/Support/Unix/Signals.inc
@@ -27,7 +27,7 @@
 #if HAVE_SYS_STAT_H
 #include <sys/stat.h>
 #endif
-#if HAVE_DLFCN_H && __GNUG__
+#if HAVE_DLFCN_H && HAVE_CXXABI_H && __GNUG__
 #include <dlfcn.h>
 #include <cxxabi.h>
 #endif
@@ -248,7 +248,7 @@ static void PrintStackTrace(void *) {
   // Use backtrace() to output a backtrace on Linux systems with glibc.
   int depth = backtrace(StackTrace,
                         static_cast<int>(array_lengthof(StackTrace)));
-#if HAVE_DLFCN_H && __GNUG__
+#if HAVE_DLFCN_H && HAVE_CXXABI_H && __GNUG__
   int width = 0;
   for (int i = 0; i < depth; ++i) {
     Dl_info dlinfo;
@@ -298,7 +298,7 @@ static void PrintStackTrace(void *) {
 void llvm::sys::PrintStackTraceOnErrorSignal() {
   AddSignalHandler(PrintStackTrace, 0);
 
-#if defined(__APPLE__)
+#if defined(__APPLE__) && !defined(ANDROID)
   // Environment variable to disable any kind of crash dialog.
   if (getenv("LLVM_DISABLE_CRASH_REPORT")) {
     mach_port_t self = mach_task_self();
@@ -324,7 +324,7 @@ void llvm::sys::PrintStackTraceOnErrorSignal() {
 // the same linkage unit by just defining our own versions of the assert handler
 // and abort.
 
-#ifdef __APPLE__
+#if defined(__APPLE__) && !defined(ANDROID)
 
 #include <signal.h>
 #include <pthread.h>