Move jvmti allocation functions to own file.

This matches the style of most other jvmti functions and makes it
simpler to extend and tweak these functions later.

Bug: 62065509
Test: ./test.py --host -j40
Change-Id: I7080bf0fc211faaa0e481f6d401172fbdf6d36d6
diff --git a/runtime/openjdkjvmti/Android.bp b/runtime/openjdkjvmti/Android.bp
index 619a49a..aec1bd0 100644
--- a/runtime/openjdkjvmti/Android.bp
+++ b/runtime/openjdkjvmti/Android.bp
@@ -27,6 +27,7 @@
            "fixed_up_dex_file.cc",
            "object_tagging.cc",
            "OpenjdkJvmTi.cc",
+           "ti_allocator.cc",
            "ti_breakpoint.cc",
            "ti_class.cc",
            "ti_class_definition.cc",
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index e3768b3..21239fe 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -48,6 +48,7 @@
 #include "scoped_thread_state_change-inl.h"
 #include "thread-current-inl.h"
 #include "thread_list.h"
+#include "ti_allocator.h"
 #include "ti_breakpoint.h"
 #include "ti_class.h"
 #include "ti_dump.h"
@@ -109,22 +110,12 @@
   static jvmtiError Allocate(jvmtiEnv* env, jlong size, unsigned char** mem_ptr) {
     ENSURE_VALID_ENV(env);
     ENSURE_NON_NULL(mem_ptr);
-    if (size < 0) {
-      return ERR(ILLEGAL_ARGUMENT);
-    } else if (size == 0) {
-      *mem_ptr = nullptr;
-      return OK;
-    }
-    *mem_ptr = static_cast<unsigned char*>(malloc(size));
-    return (*mem_ptr != nullptr) ? OK : ERR(OUT_OF_MEMORY);
+    return AllocUtil::Allocate(env, size, mem_ptr);
   }
 
   static jvmtiError Deallocate(jvmtiEnv* env, unsigned char* mem) {
     ENSURE_VALID_ENV(env);
-    if (mem != nullptr) {
-      free(mem);
-    }
-    return OK;
+    return AllocUtil::Deallocate(env, mem);
   }
 
   static jvmtiError GetThreadState(jvmtiEnv* env, jthread thread, jint* thread_state_ptr) {
diff --git a/runtime/openjdkjvmti/ti_allocator.cc b/runtime/openjdkjvmti/ti_allocator.cc
new file mode 100644
index 0000000..603a43f
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_allocator.cc
@@ -0,0 +1,71 @@
+/* Copyright (C) 2016 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "ti_allocator.h"
+
+#include "art_jvmti.h"
+#include "art_method-inl.h"
+#include "base/enums.h"
+#include "dex_file_annotations.h"
+#include "events-inl.h"
+#include "jni_internal.h"
+#include "mirror/object_array-inl.h"
+#include "modifiers.h"
+#include "runtime_callbacks.h"
+#include "scoped_thread_state_change-inl.h"
+#include "ScopedLocalRef.h"
+#include "thread-current-inl.h"
+#include "thread_list.h"
+#include "ti_phase.h"
+
+namespace openjdkjvmti {
+
+jvmtiError AllocUtil::Allocate(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                               jlong size,
+                               unsigned char** mem_ptr) {
+  if (size < 0) {
+    return ERR(ILLEGAL_ARGUMENT);
+  } else if (size == 0) {
+    *mem_ptr = nullptr;
+    return OK;
+  }
+  *mem_ptr = static_cast<unsigned char*>(malloc(size));
+  return (*mem_ptr != nullptr) ? OK : ERR(OUT_OF_MEMORY);
+}
+
+jvmtiError AllocUtil::Deallocate(jvmtiEnv* env ATTRIBUTE_UNUSED, unsigned char* mem) {
+  if (mem != nullptr) {
+    free(mem);
+  }
+  return OK;
+}
+
+}  // namespace openjdkjvmti
diff --git a/runtime/openjdkjvmti/ti_allocator.h b/runtime/openjdkjvmti/ti_allocator.h
new file mode 100644
index 0000000..7f1aa6d
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_allocator.h
@@ -0,0 +1,49 @@
+/* Copyright (C) 2016 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef ART_RUNTIME_OPENJDKJVMTI_TI_ALLOCATOR_H_
+#define ART_RUNTIME_OPENJDKJVMTI_TI_ALLOCATOR_H_
+
+#include "jni.h"
+#include "jvmti.h"
+
+namespace openjdkjvmti {
+
+class AllocUtil {
+ public:
+  static jvmtiError Allocate(jvmtiEnv* env, jlong size, unsigned char** mem_ptr);
+  static jvmtiError Deallocate(jvmtiEnv* env, unsigned char* mem);
+};
+
+}  // namespace openjdkjvmti
+
+#endif  // ART_RUNTIME_OPENJDKJVMTI_TI_ALLOCATOR_H_
+