1 //===-- Symtab.h ------------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #ifndef liblldb_UnwindTable_h
12 #define liblldb_UnwindTable_h
16 #include "lldb/lldb-private.h"
18 namespace lldb_private {
20 // A class which holds all the FuncUnwinders objects for a given ObjectFile.
21 // The UnwindTable is populated with FuncUnwinders objects lazily during
27 UnwindTable(ObjectFile& objfile);
30 lldb_private::DWARFCallFrameInfo *
34 GetFuncUnwindersContainingAddress (const Address& addr, SymbolContext &sc);
36 // Normally when we create a new FuncUnwinders object we track it in this UnwindTable so it can
37 // be reused later. But for the target modules show-unwind we want to create brand new
38 // UnwindPlans for the function of interest - so ignore any existing FuncUnwinders for that
39 // function and don't add this new one to our UnwindTable.
40 // This FuncUnwinders object does have a reference to the UnwindTable but the lifetime of this
41 // uncached FuncUnwinders is expected to be short so in practice this will not be a problem.
43 GetUncachedFuncUnwindersContainingAddress (const Address& addr, SymbolContext &sc);
51 typedef std::map<lldb::addr_t, lldb::FuncUnwindersSP> collection;
52 typedef collection::iterator iterator;
53 typedef collection::const_iterator const_iterator;
55 ObjectFile& m_object_file;
58 bool m_initialized; // delay some initialization until ObjectFile is set up
60 UnwindAssembly* m_assembly_profiler;
62 DWARFCallFrameInfo* m_eh_frame;
64 DISALLOW_COPY_AND_ASSIGN (UnwindTable);
67 } // namespace lldb_private
69 #endif // liblldb_UnwindTable_h