Move most of runtime/base to libartbase/base

Enforce the layering that code in runtime/base should not depend on
runtime by separating it into libartbase.  Some of the code in
runtime/base depends on the Runtime class, so it cannot be moved yet.
Also, some of the tests depend on CommonRuntimeTest, which itself needs
to be factored (in a subsequent CL).

Bug: 22322814
Test: make -j 50 checkbuild
      make -j 50 test-art-host

Change-Id: I8b096c1e2542f829eb456b4b057c71421b77d7e2

1 files changed, 99 insertions, 0 deletions

diff --git a/libartbase/base/allocator.cc b/libartbase/base/allocator.cc
new file mode 100644
index 0000000000..a42414507b
--- /dev/null
+++ b/libartbase/base/allocator.cc
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "allocator.h"
+
+#include <inttypes.h>
+#include <stdlib.h>
+
+#include <android-base/logging.h>
+
+#include "base/atomic.h"
+
+namespace art {
+
+class MallocAllocator FINAL : public Allocator {
+ public:
+  MallocAllocator() {}
+  ~MallocAllocator() {}
+
+  void* Alloc(size_t size) {
+    return calloc(sizeof(uint8_t), size);
+  }
+
+  void Free(void* p) {
+    free(p);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MallocAllocator);
+};
+
+MallocAllocator g_malloc_allocator;
+
+class NoopAllocator FINAL : public Allocator {
+ public:
+  NoopAllocator() {}
+  ~NoopAllocator() {}
+
+  void* Alloc(size_t size ATTRIBUTE_UNUSED) {
+    LOG(FATAL) << "NoopAllocator::Alloc should not be called";
+    UNREACHABLE();
+  }
+
+  void Free(void* p ATTRIBUTE_UNUSED) {
+    // Noop.
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NoopAllocator);
+};
+
+NoopAllocator g_noop_allocator;
+
+Allocator* Allocator::GetMallocAllocator() {
+  return &g_malloc_allocator;
+}
+
+Allocator* Allocator::GetNoopAllocator() {
+  return &g_noop_allocator;
+}
+
+namespace TrackedAllocators {
+
+// These globals are safe since they don't have any non-trivial destructors.
+Atomic<size_t> g_bytes_used[kAllocatorTagCount];
+volatile size_t g_max_bytes_used[kAllocatorTagCount];
+Atomic<uint64_t> g_total_bytes_used[kAllocatorTagCount];
+
+void Dump(std::ostream& os) {
+  if (kEnableTrackingAllocator) {
+    os << "Dumping native memory usage\n";
+    for (size_t i = 0; i < kAllocatorTagCount; ++i) {
+      uint64_t bytes_used = g_bytes_used[i].LoadRelaxed();
+      uint64_t max_bytes_used = g_max_bytes_used[i];
+      uint64_t total_bytes_used = g_total_bytes_used[i].LoadRelaxed();
+      if (total_bytes_used != 0) {
+        os << static_cast<AllocatorTag>(i) << " active=" << bytes_used << " max="
+           << max_bytes_used << " total=" << total_bytes_used << "\n";
+      }
+    }
+  }
+}
+
+}  // namespace TrackedAllocators
+
+}  // namespace art