Move the JNI compilers under compiler.

Change-Id: Id1d40f35be191758906b96b56b74a83ab0dfb88e
diff --git a/src/compiler/jni/quick/calling_convention.cc b/src/compiler/jni/quick/calling_convention.cc
new file mode 100644
index 0000000..512483e
--- /dev/null
+++ b/src/compiler/jni/quick/calling_convention.cc
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2011 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 "calling_convention.h"
+
+#include "base/logging.h"
+#include "compiler/jni/quick/arm/calling_convention_arm.h"
+#include "compiler/jni/quick/mips/calling_convention_mips.h"
+#include "compiler/jni/quick/x86/calling_convention_x86.h"
+#include "utils.h"
+
+namespace art {
+
+// Offset of Method within the frame
+FrameOffset CallingConvention::MethodStackOffset() {
+  return displacement_;
+}
+
+// Managed runtime calling convention
+
+ManagedRuntimeCallingConvention* ManagedRuntimeCallingConvention::Create(
+    bool is_static, bool is_synchronized, const char* shorty, InstructionSet instruction_set) {
+  switch (instruction_set) {
+    case kArm:
+    case kThumb2:
+      return new arm::ArmManagedRuntimeCallingConvention(is_static, is_synchronized, shorty);
+    case kMips:
+      return new mips::MipsManagedRuntimeCallingConvention(is_static, is_synchronized, shorty);
+    case kX86:
+      return new x86::X86ManagedRuntimeCallingConvention(is_static, is_synchronized, shorty);
+    default:
+      LOG(FATAL) << "Unknown InstructionSet: " << instruction_set;
+      return NULL;
+  }
+}
+
+bool ManagedRuntimeCallingConvention::HasNext() {
+  return itr_args_ < NumArgs();
+}
+
+void ManagedRuntimeCallingConvention::Next() {
+  CHECK(HasNext());
+  if (IsCurrentArgExplicit() &&  // don't query parameter type of implicit args
+      IsParamALongOrDouble(itr_args_)) {
+    itr_longs_and_doubles_++;
+    itr_slots_++;
+  }
+  if (IsCurrentParamAReference()) {
+    itr_refs_++;
+  }
+  itr_args_++;
+  itr_slots_++;
+}
+
+bool ManagedRuntimeCallingConvention::IsCurrentArgExplicit() {
+  // Static methods have no implicit arguments, others implicitly pass this
+  return IsStatic() || (itr_args_ != 0);
+}
+
+bool ManagedRuntimeCallingConvention::IsCurrentArgPossiblyNull() {
+  return IsCurrentArgExplicit();  // any user parameter may be null
+}
+
+size_t ManagedRuntimeCallingConvention::CurrentParamSize() {
+  return ParamSize(itr_args_);
+}
+
+bool ManagedRuntimeCallingConvention::IsCurrentParamAReference() {
+  return IsParamAReference(itr_args_);
+}
+
+// JNI calling convention
+
+JniCallingConvention* JniCallingConvention::Create(bool is_static, bool is_synchronized,
+                                                   const char* shorty,
+                                                   InstructionSet instruction_set) {
+  switch (instruction_set) {
+    case kArm:
+    case kThumb2:
+      return new arm::ArmJniCallingConvention(is_static, is_synchronized, shorty);
+    case kMips:
+      return new mips::MipsJniCallingConvention(is_static, is_synchronized, shorty);
+    case kX86:
+      return new x86::X86JniCallingConvention(is_static, is_synchronized, shorty);
+    default:
+      LOG(FATAL) << "Unknown InstructionSet: " << instruction_set;
+      return NULL;
+  }
+}
+
+size_t JniCallingConvention::ReferenceCount() const {
+  return NumReferenceArgs() + (IsStatic() ? 1 : 0);
+}
+
+FrameOffset JniCallingConvention::SavedLocalReferenceCookieOffset() const {
+  size_t start_of_sirt = SirtLinkOffset().Int32Value() +  kPointerSize;
+  size_t references_size = kPointerSize * ReferenceCount();  // size excluding header
+  return FrameOffset(start_of_sirt + references_size);
+}
+
+FrameOffset JniCallingConvention::ReturnValueSaveLocation() const {
+  // Segment state is 4 bytes long
+  return FrameOffset(SavedLocalReferenceCookieOffset().Int32Value() + 4);
+}
+
+bool JniCallingConvention::HasNext() {
+  if (itr_args_ <= kObjectOrClass) {
+    return true;
+  } else {
+    unsigned int arg_pos = itr_args_ - NumberOfExtraArgumentsForJni();
+    return arg_pos < NumArgs();
+  }
+}
+
+void JniCallingConvention::Next() {
+  CHECK(HasNext());
+  if (itr_args_ > kObjectOrClass) {
+    int arg_pos = itr_args_ - NumberOfExtraArgumentsForJni();
+    if (IsParamALongOrDouble(arg_pos)) {
+      itr_longs_and_doubles_++;
+      itr_slots_++;
+    }
+  }
+  if (IsCurrentParamAReference()) {
+    itr_refs_++;
+  }
+  itr_args_++;
+  itr_slots_++;
+}
+
+bool JniCallingConvention::IsCurrentParamAReference() {
+  switch (itr_args_) {
+    case kJniEnv:
+      return false;  // JNIEnv*
+    case kObjectOrClass:
+      return true;   // jobject or jclass
+    default: {
+      int arg_pos = itr_args_ - NumberOfExtraArgumentsForJni();
+      return IsParamAReference(arg_pos);
+    }
+  }
+}
+
+// Return position of SIRT entry holding reference at the current iterator
+// position
+FrameOffset JniCallingConvention::CurrentParamSirtEntryOffset() {
+  CHECK(IsCurrentParamAReference());
+  CHECK_GT(SirtLinkOffset(), SirtNumRefsOffset());
+  // Address of 1st SIRT entry
+  int result = SirtLinkOffset().Int32Value() + kPointerSize;
+  result += itr_refs_ * kPointerSize;
+  CHECK_GT(result, SirtLinkOffset().Int32Value());
+  return FrameOffset(result);
+}
+
+size_t JniCallingConvention::CurrentParamSize() {
+  if (itr_args_ <= kObjectOrClass) {
+    return kPointerSize;  // JNIEnv or jobject/jclass
+  } else {
+    int arg_pos = itr_args_ - NumberOfExtraArgumentsForJni();
+    return ParamSize(arg_pos);
+  }
+}
+
+size_t JniCallingConvention::NumberOfExtraArgumentsForJni() {
+  // The first argument is the JNIEnv*.
+  // Static methods have an extra argument which is the jclass.
+  return IsStatic() ? 2 : 1;
+}
+
+}  // namespace art