Implement long jump in ARM and MIPS simulators.

runtime/vm/stub_code_x64.cc

 // Copyright (c) 2013, 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_X64)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1856 matching lines @@
 
 
 // Jump to the error handler.
 // TOS + 0: return address
 // RDI: program_counter
 // RSI: stack_pointer
 // RDX: frame_pointer
 // RCX: error object
 // No Result.
 void StubCode::GenerateJumpToErrorHandlerStub(Assembler* assembler) {
+  ASSERT(kExceptionObjectReg == RAX);
   __ movq(RAX, RCX);  // error object.
   __ movq(RBP, RDX);  // target frame_pointer.
   __ movq(RSP, RSI);  // target stack_pointer.
   __ jmp(RDI);  // Jump to the exception handler code.
 }
 
 
 // Implements equality operator when one of the arguments is null
 // (identity check) and updates ICData if necessary.
 // TOS + 0: return address
@@ skipping 185 matching lines @@
   __ cmpq(left, right);
   __ Bind(&done);
   __ popq(right);
   __ popq(left);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64