1 files changed, 83 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.h b/contrib/llvm-project/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.h
new file mode 100644
index 000000000000..6cf842aec18d
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+++ b/contrib/llvm-project/lldb/source/Plugins/Instruction/ARM/EmulationStateARM.h
@@ -0,0 +1,83 @@
+//===-- EmulationStateARM.h -------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_SOURCE_PLUGINS_INSTRUCTION_ARM_EMULATIONSTATEARM_H
+#define LLDB_SOURCE_PLUGINS_INSTRUCTION_ARM_EMULATIONSTATEARM_H
+
+#include <map>
+
+#include "lldb/Core/EmulateInstruction.h"
+#include "lldb/Core/Opcode.h"
+
+class EmulationStateARM {
+public:
+  EmulationStateARM();
+
+  virtual ~EmulationStateARM();
+
+  bool StorePseudoRegisterValue(uint32_t reg_num, uint64_t value);
+
+  uint64_t ReadPseudoRegisterValue(uint32_t reg_num, bool &success);
+
+  bool StoreToPseudoAddress(lldb::addr_t p_address, uint32_t value);
+
+  uint32_t ReadFromPseudoAddress(lldb::addr_t p_address, bool &success);
+
+  void ClearPseudoRegisters();
+
+  void ClearPseudoMemory();
+
+  bool LoadStateFromDictionary(lldb_private::OptionValueDictionary *test_data);
+
+  bool CompareState(EmulationStateARM &other_state,
+                    lldb_private::Stream &out_stream);
+
+  static size_t
+  ReadPseudoMemory(lldb_private::EmulateInstruction *instruction, void *baton,
+                   const lldb_private::EmulateInstruction::Context &context,
+                   lldb::addr_t addr, void *dst, size_t length);
+
+  static size_t
+  WritePseudoMemory(lldb_private::EmulateInstruction *instruction, void *baton,
+                    const lldb_private::EmulateInstruction::Context &context,
+                    lldb::addr_t addr, const void *dst, size_t length);
+
+  static bool ReadPseudoRegister(lldb_private::EmulateInstruction *instruction,
+                                 void *baton,
+                                 const lldb_private::RegisterInfo *reg_info,
+                                 lldb_private::RegisterValue &reg_value);
+
+  static bool
+  WritePseudoRegister(lldb_private::EmulateInstruction *instruction,
+                      void *baton,
+                      const lldb_private::EmulateInstruction::Context &context,
+                      const lldb_private::RegisterInfo *reg_info,
+                      const lldb_private::RegisterValue &reg_value);
+
+private:
+  bool LoadRegistersStateFromDictionary(
+      lldb_private::OptionValueDictionary *reg_dict, char kind, int first_reg,
+      int num);
+
+  uint32_t m_gpr[17] = {0};
+  struct _sd_regs {
+    uint32_t s_regs[32]; // sregs 0 - 31 & dregs 0 - 15
+
+    uint64_t d_regs[16]; // dregs 16-31
+
+  } m_vfp_regs;
+
+  std::map<lldb::addr_t, uint32_t> m_memory; // Eventually will want to change
+                                             // uint32_t to a data buffer heap
+                                             // type.
+
+  EmulationStateARM(const EmulationStateARM &) = delete;
+  const EmulationStateARM &operator=(const EmulationStateARM &) = delete;
+};
+
+#endif // LLDB_SOURCE_PLUGINS_INSTRUCTION_ARM_EMULATIONSTATEARM_H