lldb/Target/UnwindAssembly.h

0001 //===-- UnwindAssembly.h --------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLDB_TARGET_UNWINDASSEMBLY_H
0010 #define LLDB_TARGET_UNWINDASSEMBLY_H
0011
0012 #include "lldb/Core/PluginInterface.h"
0013 #include "lldb/Utility/ArchSpec.h"
0014 #include "lldb/lldb-private.h"
0015
0016 namespace lldb_private {
0017
0018 class UnwindAssembly : public std::enable_shared_from_this<UnwindAssembly>,
0019                        public PluginInterface {
0020 public:
0021   static lldb::UnwindAssemblySP FindPlugin(const ArchSpec &arch);
0022
0023   virtual bool
0024   GetNonCallSiteUnwindPlanFromAssembly(AddressRange &func, Thread &thread,
0025                                        UnwindPlan &unwind_plan) = 0;
0026
0027   virtual bool AugmentUnwindPlanFromCallSite(AddressRange &func, Thread &thread,
0028                                              UnwindPlan &unwind_plan) = 0;
0029
0030   virtual bool GetFastUnwindPlan(AddressRange &func, Thread &thread,
0031                                  UnwindPlan &unwind_plan) = 0;
0032
0033   // thread may be NULL in which case we only use the Target (e.g. if this is
0034   // called pre-process-launch).
0035   virtual bool
0036   FirstNonPrologueInsn(AddressRange &func,
0037                        const lldb_private::ExecutionContext &exe_ctx,
0038                        Address &first_non_prologue_insn) = 0;
0039
0040 protected:
0041   UnwindAssembly(const ArchSpec &arch);
0042   ArchSpec m_arch;
0043 };
0044
0045 } // namespace lldb_private
0046
0047 #endif // LLDB_TARGET_UNWINDASSEMBLY_H