e72dfb321c
I started work on being able to add symbol files after a debug session had started with a new "target symfile add" command and quickly ran into problems with stale Address objects in breakpoint locations that had lldb_private::Section pointers into modules that had been removed or replaced. This also let to grabbing stale modules from those sections. So I needed to thread harded the Address, Section and related objects. To do this I modified the ModuleChild class to now require a ModuleSP on initialization so that a weak reference can created. I also changed all places that were handing out "Section *" to have them hand out SectionSP. All ObjectFile, SymbolFile and SymbolVendors were inheriting from ModuleChild so all of the find plug-in, static creation function and constructors now require ModuleSP references instead of Module *. Address objects now have weak references to their sections which can safely go stale when a module gets destructed. This checkin doesn't complete the "target symfile add" command, but it does get us a lot clioser to being able to do such things without a high risk of crashing or memory corruption. llvm-svn: 151336
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
//===-- ObjectContainerUniversalMachO.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_ObjectContainerUniversalMachO_h_
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#define liblldb_ObjectContainerUniversalMachO_h_
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#include "lldb/Symbol/ObjectContainer.h"
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#include "lldb/Host/FileSpec.h"
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#include "llvm/Support/MachO.h"
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class ObjectContainerUniversalMachO :
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public lldb_private::ObjectContainer
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{
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public:
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//------------------------------------------------------------------
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// Static Functions
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//------------------------------------------------------------------
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static void
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Initialize();
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static void
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Terminate();
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static const char *
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GetPluginNameStatic();
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static const char *
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GetPluginDescriptionStatic();
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static lldb_private::ObjectContainer *
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CreateInstance (const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP& dataSP,
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const lldb_private::FileSpec *file,
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lldb::addr_t offset,
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lldb::addr_t length);
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static bool
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MagicBytesMatch (const lldb_private::DataExtractor &data);
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//------------------------------------------------------------------
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// Member Functions
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//------------------------------------------------------------------
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ObjectContainerUniversalMachO (const lldb::ModuleSP &module_sp,
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lldb::DataBufferSP& dataSP,
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const lldb_private::FileSpec *file,
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lldb::addr_t offset,
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lldb::addr_t length);
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virtual
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~ObjectContainerUniversalMachO();
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virtual bool
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ParseHeader ();
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virtual void
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Dump (lldb_private::Stream *s) const;
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virtual size_t
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GetNumArchitectures () const;
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virtual bool
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GetArchitectureAtIndex (uint32_t cpu_idx, lldb_private::ArchSpec& arch) const;
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virtual lldb::ObjectFileSP
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GetObjectFile (const lldb_private::FileSpec *file);
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//------------------------------------------------------------------
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// PluginInterface protocol
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//------------------------------------------------------------------
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virtual const char *
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GetPluginName();
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virtual const char *
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GetShortPluginName();
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virtual uint32_t
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GetPluginVersion();
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protected:
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llvm::MachO::fat_header m_header;
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std::vector<llvm::MachO::fat_arch> m_fat_archs;
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};
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#endif // liblldb_ObjectContainerUniversalMachO_h_
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