VM: Load allocation-top and -end via Thread.

runtime/vm/dart.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/dart.h"
 
 #include "vm/code_observers.h"
 #include "vm/cpu.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
@@ skipping 15 matching lines @@
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
 #include "vm/thread_interrupter.h"
 #include "vm/thread_pool.h"
 #include "vm/timeline.h"
 #include "vm/virtual_memory.h"
 #include "vm/zone.h"
 
 namespace dart {
 
-DEFINE_FLAG(int, new_gen_semi_max_size, (kWordSize <= 4) ? 16 : 32,
-            "Max size of new gen semi space in MB");
-DEFINE_FLAG(int, old_gen_heap_size, 0,
-            "Max size of old gen heap size in MB, or 0 for unlimited,"
-            "e.g: --old_gen_heap_size=1024 allows up to 1024MB old gen heap");
-DEFINE_FLAG(int, external_max_size, (kWordSize <= 4) ? 512 : 1024,
-            "Max total size of external allocations in MB, or 0 for unlimited,"
-            "e.g: --external_max_size=1024 allows up to 1024MB of externals");
-
 DEFINE_FLAG(bool, keep_code, false,
             "Keep deoptimized code for profiling.");
-
 DECLARE_FLAG(bool, print_class_table);
 DECLARE_FLAG(bool, trace_isolates);
 
 Isolate* Dart::vm_isolate_ = NULL;
 ThreadPool* Dart::thread_pool_ = NULL;
 DebugInfo* Dart::pprof_symbol_generator_ = NULL;
 ReadOnlyHandles* Dart::predefined_handles_ = NULL;
 
 // Structure for managing read-only global handles allocation used for
 // creating global read-only handles that are pre created and initialized
@@ skipping 64 matching lines @@
     const bool is_vm_isolate = true;
 
     // Setup default flags for the VM isolate.
     Isolate::Flags vm_flags;
     Dart_IsolateFlags api_flags;
     vm_flags.CopyTo(&api_flags);
     vm_isolate_ = Isolate::Init("vm-isolate", api_flags, is_vm_isolate);
 
     StackZone zone(vm_isolate_);
     HandleScope handle_scope(vm_isolate_);
-    Heap::Init(vm_isolate_,
-               0,  // New gen size 0; VM isolate should only allocate in old.
-               FLAG_old_gen_heap_size * MBInWords,
-               FLAG_external_max_size * MBInWords);
     Object::InitNull(vm_isolate_);
     ObjectStore::Init(vm_isolate_);
     TargetCPUFeatures::InitOnce();
     Object::InitOnce(vm_isolate_);
     ArgumentsDescriptor::InitOnce();
     StubCode::InitOnce();
     Thread::InitOnceAfterObjectAndStubCode();
     // Now that the needed stub has been generated, set the stack limit.
     vm_isolate_->InitializeStackLimit();
     if (vm_isolate_snapshot != NULL) {
@@ skipping 97 matching lines @@
 }
 
 
 RawError* Dart::InitializeIsolate(const uint8_t* snapshot_buffer, void* data) {
   // Initialize the new isolate.
   Isolate* isolate = Isolate::Current();
   TIMERSCOPE(isolate, time_isolate_initialization);
   ASSERT(isolate != NULL);
   StackZone zone(isolate);
   HandleScope handle_scope(isolate);
-  Heap::Init(isolate,
-             FLAG_new_gen_semi_max_size * MBInWords,
-             FLAG_old_gen_heap_size * MBInWords,
-             FLAG_external_max_size * MBInWords);
   ObjectStore::Init(isolate);
 
   // Setup for profiling.
   Profiler::InitProfilingForIsolate(isolate);
 
   const Error& error = Error::Handle(Object::Init(isolate));
   if (!error.IsNull()) {
     return error.raw();
   }
   if (snapshot_buffer != NULL) {
@@ skipping 106 matching lines @@
   return predefined_handles_->handles_.IsValidScopedHandle(address);
 }
 
 
 bool Dart::IsReadOnlyApiHandle(Dart_Handle handle) {
   ASSERT(predefined_handles_ != NULL);
   return predefined_handles_->api_handles_.IsValidHandle(handle);
 }
 
 }  // namespace dart