ART: Extract JNI macro assembler for x86
Extract the JNI assembler parts from the regular assembler.
Change-Id: I0b47af03ca12798f58dafec716a529eb0edf9649
Test: m test-art-host
diff --git a/compiler/utils/x86/jni_macro_assembler_x86.h b/compiler/utils/x86/jni_macro_assembler_x86.h
new file mode 100644
index 0000000..3f07ede
--- /dev/null
+++ b/compiler/utils/x86/jni_macro_assembler_x86.h
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2016 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_COMPILER_UTILS_X86_JNI_MACRO_ASSEMBLER_X86_H_
+#define ART_COMPILER_UTILS_X86_JNI_MACRO_ASSEMBLER_X86_H_
+
+#include <vector>
+
+#include "assembler_x86.h"
+#include "base/arena_containers.h"
+#include "base/enums.h"
+#include "base/macros.h"
+#include "offsets.h"
+#include "utils/array_ref.h"
+#include "utils/jni_macro_assembler.h"
+
+namespace art {
+namespace x86 {
+
+class X86JNIMacroAssembler FINAL : public JNIMacroAssemblerFwd<X86Assembler, PointerSize::k32> {
+ public:
+ explicit X86JNIMacroAssembler(ArenaAllocator* arena) : JNIMacroAssemblerFwd(arena) {}
+ virtual ~X86JNIMacroAssembler() {}
+
+ //
+ // Overridden common assembler high-level functionality
+ //
+
+ // Emit code that will create an activation on the stack
+ void BuildFrame(size_t frame_size,
+ ManagedRegister method_reg,
+ ArrayRef<const ManagedRegister> callee_save_regs,
+ const ManagedRegisterEntrySpills& entry_spills) OVERRIDE;
+
+ // Emit code that will remove an activation from the stack
+ void RemoveFrame(size_t frame_size, ArrayRef<const ManagedRegister> callee_save_regs)
+ OVERRIDE;
+
+ void IncreaseFrameSize(size_t adjust) OVERRIDE;
+ void DecreaseFrameSize(size_t adjust) OVERRIDE;
+
+ // Store routines
+ void Store(FrameOffset offs, ManagedRegister src, size_t size) OVERRIDE;
+ void StoreRef(FrameOffset dest, ManagedRegister src) OVERRIDE;
+ void StoreRawPtr(FrameOffset dest, ManagedRegister src) OVERRIDE;
+
+ void StoreImmediateToFrame(FrameOffset dest, uint32_t imm, ManagedRegister scratch) OVERRIDE;
+
+ void StoreStackOffsetToThread(ThreadOffset32 thr_offs,
+ FrameOffset fr_offs,
+ ManagedRegister scratch) OVERRIDE;
+
+ void StoreStackPointerToThread(ThreadOffset32 thr_offs) OVERRIDE;
+
+ void StoreSpanning(FrameOffset dest, ManagedRegister src, FrameOffset in_off,
+ ManagedRegister scratch) OVERRIDE;
+
+ // Load routines
+ void Load(ManagedRegister dest, FrameOffset src, size_t size) OVERRIDE;
+
+ void LoadFromThread(ManagedRegister dest, ThreadOffset32 src, size_t size) OVERRIDE;
+
+ void LoadRef(ManagedRegister dest, FrameOffset src) OVERRIDE;
+
+ void LoadRef(ManagedRegister dest, ManagedRegister base, MemberOffset offs,
+ bool unpoison_reference) OVERRIDE;
+
+ void LoadRawPtr(ManagedRegister dest, ManagedRegister base, Offset offs) OVERRIDE;
+
+ void LoadRawPtrFromThread(ManagedRegister dest, ThreadOffset32 offs) OVERRIDE;
+
+ // Copying routines
+ void Move(ManagedRegister dest, ManagedRegister src, size_t size) OVERRIDE;
+
+ void CopyRawPtrFromThread(FrameOffset fr_offs,
+ ThreadOffset32 thr_offs,
+ ManagedRegister scratch) OVERRIDE;
+
+ void CopyRawPtrToThread(ThreadOffset32 thr_offs, FrameOffset fr_offs, ManagedRegister scratch)
+ OVERRIDE;
+
+ void CopyRef(FrameOffset dest, FrameOffset src, ManagedRegister scratch) OVERRIDE;
+
+ void Copy(FrameOffset dest, FrameOffset src, ManagedRegister scratch, size_t size) OVERRIDE;
+
+ void Copy(FrameOffset dest, ManagedRegister src_base, Offset src_offset, ManagedRegister scratch,
+ size_t size) OVERRIDE;
+
+ void Copy(ManagedRegister dest_base, Offset dest_offset, FrameOffset src, ManagedRegister scratch,
+ size_t size) OVERRIDE;
+
+ void Copy(FrameOffset dest, FrameOffset src_base, Offset src_offset, ManagedRegister scratch,
+ size_t size) OVERRIDE;
+
+ void Copy(ManagedRegister dest, Offset dest_offset, ManagedRegister src, Offset src_offset,
+ ManagedRegister scratch, size_t size) OVERRIDE;
+
+ void Copy(FrameOffset dest, Offset dest_offset, FrameOffset src, Offset src_offset,
+ ManagedRegister scratch, size_t size) OVERRIDE;
+
+ void MemoryBarrier(ManagedRegister) OVERRIDE;
+
+ // Sign extension
+ void SignExtend(ManagedRegister mreg, size_t size) OVERRIDE;
+
+ // Zero extension
+ void ZeroExtend(ManagedRegister mreg, size_t size) OVERRIDE;
+
+ // Exploit fast access in managed code to Thread::Current()
+ void GetCurrentThread(ManagedRegister tr) OVERRIDE;
+ void GetCurrentThread(FrameOffset dest_offset, ManagedRegister scratch) OVERRIDE;
+
+ // Set up out_reg to hold a Object** into the handle scope, or to be null if the
+ // value is null and null_allowed. in_reg holds a possibly stale reference
+ // that can be used to avoid loading the handle scope entry to see if the value is
+ // null.
+ void CreateHandleScopeEntry(ManagedRegister out_reg, FrameOffset handlescope_offset,
+ ManagedRegister in_reg, bool null_allowed) OVERRIDE;
+
+ // Set up out_off to hold a Object** into the handle scope, or to be null if the
+ // value is null and null_allowed.
+ void CreateHandleScopeEntry(FrameOffset out_off, FrameOffset handlescope_offset,
+ ManagedRegister scratch, bool null_allowed) OVERRIDE;
+
+ // src holds a handle scope entry (Object**) load this into dst
+ void LoadReferenceFromHandleScope(ManagedRegister dst, ManagedRegister src) OVERRIDE;
+
+ // Heap::VerifyObject on src. In some cases (such as a reference to this) we
+ // know that src may not be null.
+ void VerifyObject(ManagedRegister src, bool could_be_null) OVERRIDE;
+ void VerifyObject(FrameOffset src, bool could_be_null) OVERRIDE;
+
+ // Call to address held at [base+offset]
+ void Call(ManagedRegister base, Offset offset, ManagedRegister scratch) OVERRIDE;
+ void Call(FrameOffset base, Offset offset, ManagedRegister scratch) OVERRIDE;
+ void CallFromThread(ThreadOffset32 offset, ManagedRegister scratch) OVERRIDE;
+
+ // Generate code to check if Thread::Current()->exception_ is non-null
+ // and branch to a ExceptionSlowPath if it is.
+ void ExceptionPoll(ManagedRegister scratch, size_t stack_adjust) OVERRIDE;
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(X86JNIMacroAssembler);
+};
+
+} // namespace x86
+} // namespace art
+
+#endif // ART_COMPILER_UTILS_X86_JNI_MACRO_ASSEMBLER_X86_H_