Add checks to the ARM simulator to ensure that we flush the icache all...

src/arm/cpu-arm.cc

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 // CPU specific code for arm independent of OS goes here.
-#if defined(__arm__)
+#ifdef __arm__
 #include <sys/syscall.h>  // for cache flushing.
 #endif
 
 #include "v8.h"
 
 #include "cpu.h"
 #include "macro-assembler.h"
 
+#ifndef __arm__
+#include "simulator-arm.h"  // for cache flushing.
+#endif
+
 namespace v8 {
 namespace internal {
 
 void CPU::Setup() {
   CpuFeatures::Probe();
 }
 
 
 void CPU::FlushICache(void* start, size_t size) {
 #if !defined (__arm__)
   // Not generating ARM instructions for C-code. This means that we are
-  // building an ARM emulator based target. No I$ flushes are necessary.
+  // building an ARM emulator based target.  We should notify the simulator
+  // that the Icache was flushed.
   // None of this code ends up in the snapshot so there are no issues
   // around whether or not to generate the code when building snapshots.
+  assembler::arm::Simulator::FlushICache(start, size);
 #else
   // Ideally, we would call
   //   syscall(__ARM_NR_cacheflush, start,
   //           reinterpret_cast<intptr_t>(start) + size, 0);
   // however, syscall(int, ...) is not supported on all platforms, especially
   // not when using EABI, so we call the __ARM_NR_cacheflush syscall directly.
 
   register uint32_t beg asm("a1") = reinterpret_cast<uint32_t>(start);
   register uint32_t end asm("a2") =
       reinterpret_cast<uint32_t>(start) + size;
@@ skipping 61 matching lines @@
 
 void CPU::DebugBreak() {
 #if !defined (__arm__) || !defined(CAN_USE_ARMV5_INSTRUCTIONS)
   UNIMPLEMENTED();  // when building ARM emulator target
 #else
   asm volatile("bkpt 0");
 #endif
 }
 
 } }  // namespace v8::internal