New version of unwinder.

Bug: 23762183

Test: All unit tests pass.
Change-Id: I0ac69e55af56e1142c0a1ee3715cdc48f2ed3ec3
diff --git a/libunwindstack/Machine.h b/libunwindstack/Machine.h
new file mode 100644
index 0000000..db84271
--- /dev/null
+++ b/libunwindstack/Machine.h
@@ -0,0 +1,135 @@
+/*
+ * 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 _LIBUNWINDSTACK_MACHINE_H
+#define _LIBUNWINDSTACK_MACHINE_H
+
+#include <stdint.h>
+
+class Regs;
+
+enum ArmReg : uint16_t {
+  ARM_REG_R0 = 0,
+  ARM_REG_R1,
+  ARM_REG_R2,
+  ARM_REG_R3,
+  ARM_REG_R4,
+  ARM_REG_R5,
+  ARM_REG_R6,
+  ARM_REG_R7,
+  ARM_REG_R8,
+  ARM_REG_R9,
+  ARM_REG_R10,
+  ARM_REG_R11,
+  ARM_REG_R12,
+  ARM_REG_R13,
+  ARM_REG_R14,
+  ARM_REG_R15,
+  ARM_REG_LAST,
+
+  ARM_REG_SP = ARM_REG_R13,
+  ARM_REG_LR = ARM_REG_R14,
+  ARM_REG_PC = ARM_REG_R15,
+};
+
+enum Arm64Reg : uint16_t {
+  ARM64_REG_R0 = 0,
+  ARM64_REG_R1,
+  ARM64_REG_R2,
+  ARM64_REG_R3,
+  ARM64_REG_R4,
+  ARM64_REG_R5,
+  ARM64_REG_R6,
+  ARM64_REG_R7,
+  ARM64_REG_R8,
+  ARM64_REG_R9,
+  ARM64_REG_R10,
+  ARM64_REG_R11,
+  ARM64_REG_R12,
+  ARM64_REG_R13,
+  ARM64_REG_R14,
+  ARM64_REG_R15,
+  ARM64_REG_R16,
+  ARM64_REG_R17,
+  ARM64_REG_R18,
+  ARM64_REG_R19,
+  ARM64_REG_R20,
+  ARM64_REG_R21,
+  ARM64_REG_R22,
+  ARM64_REG_R23,
+  ARM64_REG_R24,
+  ARM64_REG_R25,
+  ARM64_REG_R26,
+  ARM64_REG_R27,
+  ARM64_REG_R28,
+  ARM64_REG_R29,
+  ARM64_REG_R30,
+  ARM64_REG_R31,
+  ARM64_REG_PC,
+  ARM64_REG_LAST,
+
+  ARM64_REG_SP = ARM64_REG_R31,
+  ARM64_REG_LR = ARM64_REG_R30,
+};
+
+enum X86Reg : uint16_t {
+  X86_REG_EAX = 0,
+  X86_REG_ECX,
+  X86_REG_EDX,
+  X86_REG_EBX,
+  X86_REG_ESP,
+  X86_REG_EBP,
+  X86_REG_ESI,
+  X86_REG_EDI,
+  X86_REG_EIP,
+  X86_REG_EFL,
+  X86_REG_CS,
+  X86_REG_SS,
+  X86_REG_DS,
+  X86_REG_ES,
+  X86_REG_FS,
+  X86_REG_GS,
+  X86_REG_LAST,
+
+  X86_REG_SP = X86_REG_ESP,
+  X86_REG_PC = X86_REG_EIP,
+};
+
+enum X86_64Reg : uint16_t {
+  X86_64_REG_RAX = 0,
+  X86_64_REG_RDX,
+  X86_64_REG_RCX,
+  X86_64_REG_RBX,
+  X86_64_REG_RSI,
+  X86_64_REG_RDI,
+  X86_64_REG_RBP,
+  X86_64_REG_RSP,
+  X86_64_REG_R8,
+  X86_64_REG_R9,
+  X86_64_REG_R10,
+  X86_64_REG_R11,
+  X86_64_REG_R12,
+  X86_64_REG_R13,
+  X86_64_REG_R14,
+  X86_64_REG_R15,
+  X86_64_REG_RIP,
+  X86_64_REG_LAST,
+
+  X86_64_REG_SP = X86_64_REG_RSP,
+  X86_64_REG_PC = X86_64_REG_RIP,
+};
+
+#endif  // _LIBUNWINDSTACK_MACHINE_H