Import LLVM 10.0.0 release including clang, lld and lldb.

ok hackroom
tested by plenty

1 files changed, 65 insertions, 0 deletions

diff --git a/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextHistory.h b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextHistory.h
new file mode 100644
index 00000000000..952e4263d95
--- /dev/null
+++ b/gnu/llvm/lldb/source/Plugins/Process/Utility/RegisterContextHistory.h
@@ -0,0 +1,65 @@
+//===-- RegisterContextHistory.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_RegisterContextHistory_h_
+#define lldb_RegisterContextHistory_h_
+
+#include <vector>
+
+#include "lldb/Symbol/SymbolContext.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/lldb-private.h"
+
+namespace lldb_private {
+
+class RegisterContextHistory : public lldb_private::RegisterContext {
+public:
+  typedef std::shared_ptr<RegisterContextHistory> SharedPtr;
+
+  RegisterContextHistory(Thread &thread, uint32_t concrete_frame_idx,
+                         uint32_t address_byte_size, lldb::addr_t pc_value);
+
+  ~RegisterContextHistory() override;
+
+  void InvalidateAllRegisters() override;
+
+  size_t GetRegisterCount() override;
+
+  const lldb_private::RegisterInfo *GetRegisterInfoAtIndex(size_t reg) override;
+
+  size_t GetRegisterSetCount() override;
+
+  const lldb_private::RegisterSet *GetRegisterSet(size_t reg_set) override;
+
+  bool ReadRegister(const lldb_private::RegisterInfo *reg_info,
+                    lldb_private::RegisterValue &value) override;
+
+  bool WriteRegister(const lldb_private::RegisterInfo *reg_info,
+                     const lldb_private::RegisterValue &value) override;
+
+  bool ReadAllRegisterValues(lldb::DataBufferSP &data_sp) override;
+
+  bool WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
+
+  uint32_t ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind,
+                                               uint32_t num) override;
+
+private:
+  // For RegisterContextLLDB only
+
+  lldb_private::RegisterSet m_reg_set0; // register set 0 (PC only)
+  lldb_private::RegisterInfo m_pc_reg_info;
+
+  lldb::addr_t m_pc_value;
+
+  DISALLOW_COPY_AND_ASSIGN(RegisterContextHistory);
+};
+} // namespace lldb_private
+
+#endif // lldb_RegisterContextHistory_h_