Changes for running tests on arm64 hardware.

runtime/vm/stub_code_arm64.cc

 // Copyright (c) 2014, 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_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 1522 matching lines @@
 
 void StubCode::GenerateThreeArgsOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
   GenerateNArgsCheckInlineCacheStub(
       assembler, 3, kInlineCacheMissHandlerThreeArgsRuntimeEntry);
 }
 
 
 void StubCode::GenerateClosureCallInlineCacheStub(Assembler* assembler) {
-  __ Stop("GenerateClosureCallInlineCacheStub");
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 1, kInlineCacheMissHandlerOneArgRuntimeEntry);
 }
 
 
 void StubCode::GenerateZeroArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, R6);
 #if defined(DEBUG)
   { Label ok;
     // Check that the IC data array has NumArgsTested() == 0.
     // 'NumArgsTested' is stored in the least significant bits of 'state_bits'.
     __ LoadFromOffset(R6, R5, ICData::state_bits_offset() - kHeapObjectTag,
@@ skipping 226 matching lines @@
   GenerateSubtypeNTestCacheStub(assembler, 3);
 }
 
 
 void StubCode::GenerateGetStackPointerStub(Assembler* assembler) {
   __ mov(R0, SP);
   __ ret();
 }
 
 
+// Jump to the exception or error handler.
+// LR: return address.
+// R0: program_counter.
+// R1: stack_pointer.
+// R2: frame_pointer.
+// R3: error object.
+// R4: address of stacktrace object.
+// Does not return.
 void StubCode::GenerateJumpToExceptionHandlerStub(Assembler* assembler) {
-  __ Stop("GenerateJumpToExceptionHandlerStub");
+  ASSERT(kExceptionObjectReg == R0);
+  ASSERT(kStackTraceObjectReg == R1);
+  __ mov(LR, R0);  // Program counter.
+  __ mov(SP, R1);  // Stack pointer.
+  __ mov(FP, R2);  // Frame_pointer.
+  __ mov(R0, R3);  // Exception object.
+  __ mov(R1, R4);  // StackTrace object.
+  __ ret();  // Jump to the exception handler code.
 }
 
 
 // Calls to the runtime to optimize the given function.
 // R6: function to be re-optimized.
 // R4: argument descriptor (preserved).
 void StubCode::GenerateOptimizeFunctionStub(Assembler* assembler) {
   __ EnterStubFrame();
   __ Push(R4);
   // Setup space on stack for the return value.
   __ PushObject(Object::null_object(), PP);
   __ Push(R6);
   __ CallRuntime(kOptimizeInvokedFunctionRuntimeEntry, 1);
   __ Pop(R0);  // Discard argument.
   __ Pop(R0);  // Get Code object
   __ Pop(R4);  // Restore argument descriptor.
   __ LoadFieldFromOffset(R0, R0, Code::instructions_offset(), kNoPP);
   __ AddImmediate(R0, R0, Instructions::HeaderSize() - kHeapObjectTag, PP);
   __ LeaveStubFrame();
   __ br(R0);
-  __ hlt(0);
+  __ brk(0);
 }
 
 
 DECLARE_LEAF_RUNTIME_ENTRY(intptr_t,
                            BigintCompare,
                            RawBigint* left,
                            RawBigint* right);
 
 
 // Does identical check (object references are equal or not equal) with special
@@ skipping 98 matching lines @@
   const Register right = R0;
   __ LoadFromOffset(left, SP, 1 * kWordSize, kNoPP);
   __ LoadFromOffset(right, SP, 0 * kWordSize, kNoPP);
   GenerateIdenticalWithNumberCheckStub(assembler, left, right, temp);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64