Implement long jump in ARM and MIPS simulators.

runtime/vm/stub_code_ia32.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_IA32)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
@@ skipping 1889 matching lines @@
 
 
 // Jump to the error handler.
 // TOS + 0: return address
 // TOS + 1: program_counter
 // TOS + 2: stack_pointer
 // TOS + 3: frame_pointer
 // TOS + 4: error object
 // No Result.
 void StubCode::GenerateJumpToErrorHandlerStub(Assembler* assembler) {
+  ASSERT(kExceptionObjectReg == EAX);
   __ movl(EAX, Address(ESP, 4 * kWordSize));  // Load error object.
   __ movl(EBP, Address(ESP, 3 * kWordSize));  // Load target frame_pointer.
   __ movl(EBX, Address(ESP, 1 * kWordSize));  // Load target PC into EBX.
   __ movl(ESP, Address(ESP, 2 * kWordSize));  // Load target stack_pointer.
   __ jmp(EBX);  // Jump to the exception handler code.
 }
 
 
 // Implements equality operator when one of the arguments is null
 // (identity check) and updates ICData if necessary.
@@ skipping 197 matching lines @@
   __ Bind(&done);
   __ popl(temp);
   __ popl(right);
   __ popl(left);
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32