1 files changed, 51 insertions, 0 deletions
diff --git a/runtime/arch/x86/quick_method_frame_info_x86.h b/runtime/arch/x86/quick_method_frame_info_x86.h
new file mode 100644
index 0000000000..b9dc0d8b19
--- /dev/null
+++ b/runtime/arch/x86/quick_method_frame_info_x86.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef ART_RUNTIME_ARCH_X86_QUICK_METHOD_FRAME_INFO_X86_H_
+#define ART_RUNTIME_ARCH_X86_QUICK_METHOD_FRAME_INFO_X86_H_
+
+#include "quick/quick_method_frame_info.h"
+#include "registers_x86.h"
+#include "runtime.h"  // for Runtime::CalleeSaveType.
+
+namespace art {
+namespace x86 {
+
+static constexpr uint32_t kX86CalleeSaveRefSpills =
+    (1 << art::x86::EBP) | (1 << art::x86::ESI) | (1 << art::x86::EDI);
+static constexpr uint32_t kX86CalleeSaveArgSpills =
+    (1 << art::x86::ECX) | (1 << art::x86::EDX) | (1 << art::x86::EBX);
+
+constexpr uint32_t X86CalleeSaveCoreSpills(Runtime::CalleeSaveType type) {
+  return kX86CalleeSaveRefSpills | (type == Runtime::kRefsAndArgs ? kX86CalleeSaveArgSpills : 0) |
+      (1 << art::x86::kNumberOfCpuRegisters);  // fake return address callee save
+}
+
+constexpr uint32_t X86CalleeSaveFrameSize(Runtime::CalleeSaveType type) {
+  return RoundUp((POPCOUNT(X86CalleeSaveCoreSpills(type)) /* gprs */ +
+                  1 /* Method* */) * kX86PointerSize, kStackAlignment);
+}
+
+constexpr QuickMethodFrameInfo X86CalleeSaveMethodFrameInfo(Runtime::CalleeSaveType type) {
+  return QuickMethodFrameInfo(X86CalleeSaveFrameSize(type),
+                              X86CalleeSaveCoreSpills(type),
+                              0u);
+}
+
+}  // namespace x86
+}  // namespace art
+
+#endif  // ART_RUNTIME_ARCH_X86_QUICK_METHOD_FRAME_INFO_X86_H_