Initial SIMDBC interpreter.

runtime/vm/thread.h

 // Copyright (c) 2015, 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.
 
 #ifndef VM_THREAD_H_
 #define VM_THREAD_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/atomic.h"
@@ skipping 52 matching lines @@
   V(GrowableObjectArray)                                                       \
   V(Instance)                                                                  \
   V(Library)                                                                   \
   V(Object)                                                                    \
   V(PcDescriptors)                                                             \
   V(String)                                                                    \
   V(TypeArguments)                                                             \
   V(TypeParameter)                                                             \
 
 
-// List of VM-global objects/addresses cached in each Thread object.
-#define CACHED_VM_OBJECTS_LIST(V)                                              \
-  V(RawObject*, object_null_, Object::null(), NULL)                            \
-  V(RawBool*, bool_true_, Object::bool_true().raw(), NULL)                     \
-  V(RawBool*, bool_false_, Object::bool_false().raw(), NULL)                   \
+#if defined(TARGET_ARCH_DBC)
+#define CACHED_VM_STUBS_LIST(V)
+#else
+#define CACHED_VM_STUBS_LIST(V)                                                \
   V(RawCode*, update_store_buffer_code_,                                       \
     StubCode::UpdateStoreBuffer_entry()->code(), NULL)                         \
   V(RawCode*, fix_callers_target_code_,                                        \
     StubCode::FixCallersTarget_entry()->code(), NULL)                          \
   V(RawCode*, fix_allocation_stub_code_,                                       \
     StubCode::FixAllocationStubTarget_entry()->code(), NULL)                   \
   V(RawCode*, invoke_dart_code_stub_,                                          \
     StubCode::InvokeDartCode_entry()->code(), NULL)                            \
   V(RawCode*, call_to_runtime_stub_,                                           \
     StubCode::CallToRuntime_entry()->code(), NULL)                             \
 
-#define CACHED_ADDRESSES_LIST(V)                                               \
+#endif
+
+// List of VM-global objects/addresses cached in each Thread object.
+#define CACHED_VM_OBJECTS_LIST(V)                                              \
+  V(RawObject*, object_null_, Object::null(), NULL)                            \
+  V(RawBool*, bool_true_, Object::bool_true().raw(), NULL)                     \
+  V(RawBool*, bool_false_, Object::bool_false().raw(), NULL)                   \
+  CACHED_VM_STUBS_LIST(V)                                                      \
+
+#if defined(TARGET_ARCH_DBC)
+#define CACHED_VM_STUBS_ADDRESSES_LIST(V)
+#else
+#define CACHED_VM_STUBS_ADDRESSES_LIST(V)                                      \
   V(uword, update_store_buffer_entry_point_,                                   \
     StubCode::UpdateStoreBuffer_entry()->EntryPoint(), 0)                      \
   V(uword, call_to_runtime_entry_point_,                                       \
     StubCode::CallToRuntime_entry()->EntryPoint(), 0)                          \
+
+#endif
+
+#define CACHED_ADDRESSES_LIST(V)                                               \
+  CACHED_VM_STUBS_ADDRESSES_LIST(V)                                            \
   V(uword, native_call_wrapper_entry_point_,                                   \
     NativeEntry::NativeCallWrapperEntry(), 0)                                  \
   V(RawString**, predefined_symbols_address_,                                  \
     Symbols::PredefinedAddress(), NULL)                                        \
   V(uword, double_negate_address_,                                             \
     reinterpret_cast<uword>(&double_negate_constant), 0)                       \
   V(uword, double_abs_address_,                                                \
     reinterpret_cast<uword>(&double_abs_constant), 0)                          \
   V(uword, float_not_address_,                                                 \
     reinterpret_cast<uword>(&float_not_constant), 0)                           \
@@ skipping 64 matching lines @@
   uword stack_limit_address() const {
     return reinterpret_cast<uword>(&stack_limit_);
   }
   static intptr_t stack_limit_offset() {
     return OFFSET_OF(Thread, stack_limit_);
   }
 
   // The true stack limit for this isolate.
   uword saved_stack_limit() const { return saved_stack_limit_; }
 
+#if defined(TARGET_ARCH_DBC)
+  // Access to the current stack limit for DBC interpreter.
+  uword stack_limit() const {
+    return stack_limit_;
+  }
+#endif
+
   // Stack overflow flags
   enum {
     kOsrRequest = 0x1,  // Current stack overflow caused by OSR request.
   };
 
   uword stack_overflow_flags_address() const {
     return reinterpret_cast<uword>(&stack_overflow_flags_);
   }
   static intptr_t stack_overflow_flags_offset() {
     return OFFSET_OF(Thread, stack_overflow_flags_);
@@ skipping 544 matching lines @@
 // Disable thread interrupts.
 class DisableThreadInterruptsScope : public StackResource {
  public:
   explicit DisableThreadInterruptsScope(Thread* thread);
   ~DisableThreadInterruptsScope();
 };
 
 }  // namespace dart
 
 #endif  // VM_THREAD_H_