JIT precompilated snapshots.

runtime/vm/snapshot.cc

 // Copyright (c) 2012, 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/snapshot.h"
 
 #include "platform/assert.h"
 #include "vm/bootstrap.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart.h"
@@ skipping 607 matching lines @@
     for (intptr_t i = 0; i <= num_flds; i++) {
       *(object_store->from() + i) = ReadObjectImpl(kAsInlinedObject);
     }
     for (intptr_t i = 0; i < backward_references_->length(); i++) {
       if (!(*backward_references_)[i].is_deserialized()) {
         ReadObjectImpl(kAsInlinedObject);
         (*backward_references_)[i].set_state(kIsDeserialized);
       }
     }
 
-    if (Snapshot::IncludesCode(kind_)) {
+    if (kind_ == Snapshot::kAppNoJIT) {
       ICData& ic = ICData::Handle(thread->zone());
       Object& funcOrCode = Object::Handle(thread->zone());
       Code& code = Code::Handle(thread->zone());
       Smi& entry_point = Smi::Handle(thread->zone());
       for (intptr_t i = 0; i < backward_references_->length(); i++) {
         if ((*backward_references_)[i].reference()->IsICData()) {
           ic ^= (*backward_references_)[i].reference()->raw();
           for (intptr_t j = 0; j < ic.NumberOfChecks(); j++) {
             funcOrCode = ic.GetTargetOrCodeAt(j);
             if (funcOrCode.IsCode()) {
@@ skipping 1118 matching lines @@
                                              const uint8_t* data_buffer,
                                              Thread* thread)
     : SnapshotReader(buffer,
                      size,
                      instructions_buffer,
                      data_buffer,
                      kind,
                      new ZoneGrowableArray<BackRefNode>(
                          kNumInitialReferencesInFullSnapshot),
                      thread) {
-  isolate()->set_compilation_allowed(instructions_buffer_ == NULL);
+  isolate()->set_compilation_allowed(kind != Snapshot::kAppNoJIT);
   ASSERT(Snapshot::IsFull(kind));
 }
 
 
 IsolateSnapshotReader::~IsolateSnapshotReader() {
   ResetBackwardReferenceTable();
 }
 
 
 ScriptSnapshotReader::ScriptSnapshotReader(const uint8_t* buffer,
@@ skipping 403 matching lines @@
     OS::Print("Instructions(CodeSize): %" Pd "\n",
               instructions_writer_->binary_size());
     intptr_t total = VmIsolateSnapshotSize() +
                      IsolateSnapshotSize() +
                      instructions_writer_->binary_size();
     OS::Print("Total(CodeSize): %" Pd "\n", total);
   }
 }
 
 
-PrecompiledSnapshotWriter::PrecompiledSnapshotWriter(
-    uint8_t** vm_isolate_snapshot_buffer,
-    uint8_t** isolate_snapshot_buffer,
-    ReAlloc alloc,
-    InstructionsWriter* instructions_writer)
-  : FullSnapshotWriter(Snapshot::kAppNoJIT,
-                       vm_isolate_snapshot_buffer,
-                       isolate_snapshot_buffer,
-                       alloc,
-                       instructions_writer,
-                       false /* vm_isolate_is_symbolic */) {
-}
-
-
-PrecompiledSnapshotWriter::~PrecompiledSnapshotWriter() {}
-
-
 ForwardList::ForwardList(Thread* thread, intptr_t first_object_id)
     : thread_(thread),
       first_object_id_(first_object_id),
       nodes_(),
       first_unprocessed_object_id_(first_object_id) {
 }
 
 
 ForwardList::~ForwardList() {
   heap()->ResetObjectIdTable();
@@ skipping 568 matching lines @@
   if (setjmp(*jump.Set()) == 0) {
     NoSafepointScope no_safepoint;
     WriteObject(obj.raw());
   } else {
     ThrowException(exception_type(), exception_msg());
   }
 }
 
 
 }  // namespace dart