Rename TARGET_OS_* to HOST_OS_*.

runtime/vm/cpu_arm.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/cpu.h"
 #include "vm/cpu_arm.h"
 
@@ skipping 72 matching lines @@
 
 #if defined(USING_SIMULATOR)
 #if defined(TARGET_ARCH_ARM_5TE)
 DEFINE_FLAG(bool, sim_use_hardfp, false, "Use the softfp ABI.");
 #else
 DEFINE_FLAG(bool, sim_use_hardfp, true, "Use the softfp ABI.");
 #endif
 #endif
 
 void CPU::FlushICache(uword start, uword size) {
-#if TARGET_OS_IOS
+#if HOST_OS_IOS
   // Precompilation never patches code so there should be no I cache flushes.
   UNREACHABLE();
 #endif
 
-#if !defined(USING_SIMULATOR) && !TARGET_OS_IOS
+#if !defined(USING_SIMULATOR) && !HOST_OS_IOS
   // Nothing to do. Flushing no instructions.
   if (size == 0) {
     return;
   }
 
 // ARM recommends using the gcc intrinsic __clear_cache on Linux, and the
 // library call cacheflush from unistd.h on Android:
 // blogs.arm.com/software-enablement/141-caches-and-self-modifying-code/
 #if defined(__linux__) && !defined(ANDROID)
   extern void __clear_cache(char*, char*);
@@ skipping 24 matching lines @@
 bool HostCPUFeatures::hardfp_supported_ = false;
 const char* HostCPUFeatures::hardware_ = NULL;
 ARMVersion HostCPUFeatures::arm_version_ = ARMvUnknown;
 intptr_t HostCPUFeatures::store_pc_read_offset_ = 8;
 #if defined(DEBUG)
 bool HostCPUFeatures::initialized_ = false;
 #endif
 
 
 #if !defined(USING_SIMULATOR)
-#if TARGET_OS_IOS
+#if HOST_OS_IOS
 void HostCPUFeatures::InitOnce() {
   // TODO(24743): Actually check the CPU features and fail if we're missing
   // something assumed in a precompiled snapshot.
   hardware_ = "";
   // When the VM is targetted to ARMv7, pretend that the CPU is ARMv7 even if
   // the CPU is actually AArch64.
   arm_version_ = ARMv7;
   // Always assume we have floating point unit since we dont support ARMv6 in
   // this path.
   vfp_supported_ = FLAG_use_vfp;
   integer_division_supported_ = FLAG_use_integer_division;
   neon_supported_ = FLAG_use_neon;
   hardfp_supported_ = true;
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
-#else  // TARGET_OS_IOS
+#else  // HOST_OS_IOS
 void HostCPUFeatures::InitOnce() {
   bool is_arm64 = false;
   CpuInfo::InitOnce();
   hardware_ = CpuInfo::GetCpuModel();
 
   // Check for ARMv5TE, ARMv6, ARMv7, or aarch64.
   // It can be in either the Processor or Model information fields.
   if (CpuInfo::FieldContains(kCpuInfoProcessor, "aarch64") ||
       CpuInfo::FieldContains(kCpuInfoModel, "aarch64") ||
       CpuInfo::FieldContains(kCpuInfoArchitecture, "8") ||
@@ skipping 59 matching lines @@
 #if defined(__ARM_PCS_VFP)
   hardfp_supported_ = true;
 #else
   hardfp_supported_ = false;
 #endif
 
 #if defined(DEBUG)
   initialized_ = true;
 #endif
 }
-#endif  // TARGET_OS_IOS
+#endif  // HOST_OS_IOS
 
 void HostCPUFeatures::Cleanup() {
   DEBUG_ASSERT(initialized_);
 #if defined(DEBUG)
   initialized_ = false;
 #endif
   ASSERT(hardware_ != NULL);
   free(const_cast<char*>(hardware_));
   hardware_ = NULL;
   CpuInfo::Cleanup();
@@ skipping 31 matching lines @@
   ASSERT(hardware_ != NULL);
   free(const_cast<char*>(hardware_));
   hardware_ = NULL;
   CpuInfo::Cleanup();
 }
 #endif  // !defined(USING_SIMULATOR)
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM