| // Copyright (c) 2014, 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/tags.h" |
| |
| #include "vm/isolate.h" |
| |
| namespace dart { |
| |
| const char* VMTag::TagName(uword id) { |
| ASSERT(id != kInvalidTagId); |
| ASSERT(id < kNumVMTags); |
| const TagEntry& entry = entries_[id]; |
| ASSERT(entry.id == id); |
| return entry.name; |
| } |
| |
| |
| VMTag::TagEntry VMTag::entries_[] = { |
| { "InvalidTag", kInvalidTagId, }, |
| #define DEFINE_VM_TAG_ENTRY(tag) \ |
| { ""#tag, k##tag##TagId }, |
| VM_TAG_LIST(DEFINE_VM_TAG_ENTRY) |
| #undef DEFINE_VM_TAG_ENTRY |
| { "kNumVMTags", kNumVMTags }, |
| }; |
| |
| |
| VMTagScope::VMTagScope(Isolate* base_isolate, uword tag) |
| : StackResource(base_isolate) { |
| ASSERT(isolate() != NULL); |
| previous_tag_ = isolate()->vm_tag(); |
| isolate()->set_vm_tag(tag); |
| } |
| |
| |
| VMTagScope::~VMTagScope() { |
| ASSERT(isolate() != NULL); |
| isolate()->set_vm_tag(previous_tag_); |
| } |
| |
| |
| } // namespace dart |