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