1 //===-- UnwindAssembly.h --------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_TARGET_UNWINDASSEMBLY_H 10 #define LLDB_TARGET_UNWINDASSEMBLY_H 11 12 #include "lldb/Core/PluginInterface.h" 13 #include "lldb/Utility/ArchSpec.h" 14 #include "lldb/lldb-private.h" 15 16 namespace lldb_private { 17 18 class UnwindAssembly : public std::enable_shared_from_this<UnwindAssembly>, 19 public PluginInterface { 20 public: 21 static lldb::UnwindAssemblySP FindPlugin(const ArchSpec &arch); 22 23 ~UnwindAssembly() override; 24 25 virtual bool 26 GetNonCallSiteUnwindPlanFromAssembly(AddressRange &func, Thread &thread, 27 UnwindPlan &unwind_plan) = 0; 28 29 virtual bool AugmentUnwindPlanFromCallSite(AddressRange &func, Thread &thread, 30 UnwindPlan &unwind_plan) = 0; 31 32 virtual bool GetFastUnwindPlan(AddressRange &func, Thread &thread, 33 UnwindPlan &unwind_plan) = 0; 34 35 // thread may be NULL in which case we only use the Target (e.g. if this is 36 // called pre-process-launch). 37 virtual bool 38 FirstNonPrologueInsn(AddressRange &func, 39 const lldb_private::ExecutionContext &exe_ctx, 40 Address &first_non_prologue_insn) = 0; 41 42 protected: 43 UnwindAssembly(const ArchSpec &arch); 44 ArchSpec m_arch; 45 46 private: 47 UnwindAssembly() = delete; 48 UnwindAssembly(const UnwindAssembly &) = delete; 49 const UnwindAssembly &operator=(const UnwindAssembly &) = delete; 50 }; 51 52 } // namespace lldb_private 53 54 #endif // LLDB_TARGET_UNWINDASSEMBLY_H 55