| //===-- SectionLoadHistory.h ------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_SectionLoadHistory_h_ |
| #define liblldb_SectionLoadHistory_h_ |
| |
| // C Includes |
| // C++ Includes |
| #include <map> |
| |
| // Project includes |
| #include "lldb/lldb-public.h" |
| #include "lldb/Host/Mutex.h" |
| |
| namespace lldb_private { |
| |
| class SectionLoadHistory |
| { |
| public: |
| enum { |
| // Pass eStopIDNow to any function that takes a stop ID to get |
| // the current value. |
| eStopIDNow = UINT32_MAX |
| }; |
| //------------------------------------------------------------------ |
| // Constructors and Destructors |
| //------------------------------------------------------------------ |
| SectionLoadHistory () : |
| m_stop_id_to_section_load_list(), |
| m_mutex (Mutex::eMutexTypeRecursive) |
| { |
| } |
| |
| ~SectionLoadHistory() |
| { |
| // Call clear since this takes a lock and clears the section load list |
| // in case another thread is currently using this section load list |
| Clear(); |
| } |
| |
| SectionLoadList & |
| GetCurrentSectionLoadList (); |
| |
| bool |
| IsEmpty() const; |
| |
| void |
| Clear (); |
| |
| uint32_t |
| GetLastStopID() const; |
| |
| // Get the section load address given a process stop ID |
| lldb::addr_t |
| GetSectionLoadAddress (uint32_t stop_id, |
| const lldb::SectionSP §ion_sp); |
| |
| bool |
| ResolveLoadAddress (uint32_t stop_id, |
| lldb::addr_t load_addr, |
| Address &so_addr); |
| |
| bool |
| SetSectionLoadAddress (uint32_t stop_id, |
| const lldb::SectionSP §ion_sp, |
| lldb::addr_t load_addr, |
| bool warn_multiple = false); |
| |
| // The old load address should be specified when unloading to ensure we get |
| // the correct instance of the section as a shared library could be loaded |
| // at more than one location. |
| bool |
| SetSectionUnloaded (uint32_t stop_id, |
| const lldb::SectionSP §ion_sp, |
| lldb::addr_t load_addr); |
| |
| // Unload all instances of a section. This function can be used on systems |
| // that don't support multiple copies of the same shared library to be |
| // loaded at the same time. |
| size_t |
| SetSectionUnloaded (uint32_t stop_id, |
| const lldb::SectionSP §ion_sp); |
| |
| void |
| Dump (Stream &s, |
| Target *target); |
| |
| protected: |
| |
| SectionLoadList * |
| GetSectionLoadListForStopID (uint32_t stop_id, bool read_only); |
| |
| typedef std::map<uint32_t, lldb::SectionLoadListSP> StopIDToSectionLoadList; |
| StopIDToSectionLoadList m_stop_id_to_section_load_list; |
| mutable Mutex m_mutex; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN (SectionLoadHistory); |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // liblldb_SectionLoadHistory_h_ |