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//===-- ProcessMachCore.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_ProcessMachCore_h_
#define liblldb_ProcessMachCore_h_
// C Includes
// C++ Includes
#include <list>
#include <vector>
// Other libraries and framework includes
// Project includes
#include "lldb/Core/ConstString.h"
#include "lldb/Core/Error.h"
#include "lldb/Target/Process.h"
class ThreadKDP;
class ProcessMachCore : public lldb_private::Process
{
public:
//------------------------------------------------------------------
// Constructors and Destructors
//------------------------------------------------------------------
ProcessMachCore(lldb::TargetSP target_sp,
lldb_private::Listener &listener,
const lldb_private::FileSpec &core_file);
~ProcessMachCore() override;
static lldb::ProcessSP
CreateInstance (lldb::TargetSP target_sp,
lldb_private::Listener &listener,
const lldb_private::FileSpec *crash_file_path);
static void
Initialize();
static void
Terminate();
static lldb_private::ConstString
GetPluginNameStatic();
static const char *
GetPluginDescriptionStatic();
//------------------------------------------------------------------
// Check if a given Process
//------------------------------------------------------------------
bool
CanDebug (lldb::TargetSP target_sp,
bool plugin_specified_by_name) override;
//------------------------------------------------------------------
// Creating a new process, or attaching to an existing one
//------------------------------------------------------------------
lldb_private::Error
DoLoadCore () override;
lldb_private::DynamicLoader *
GetDynamicLoader () override;
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
lldb_private::ConstString
GetPluginName() override;
uint32_t
GetPluginVersion() override;
//------------------------------------------------------------------
// Process Control
//------------------------------------------------------------------
lldb_private::Error
DoDestroy () override;
void
RefreshStateAfterStop() override;
//------------------------------------------------------------------
// Process Queries
//------------------------------------------------------------------
bool
IsAlive () override;
bool
WarnBeforeDetach () const override;
//------------------------------------------------------------------
// Process Memory
//------------------------------------------------------------------
size_t
ReadMemory (lldb::addr_t addr, void *buf, size_t size, lldb_private::Error &error) override;
size_t
DoReadMemory (lldb::addr_t addr, void *buf, size_t size, lldb_private::Error &error) override;
lldb::addr_t
GetImageInfoAddress () override;
protected:
friend class ThreadMachCore;
void
Clear ( );
bool
UpdateThreadList (lldb_private::ThreadList &old_thread_list,
lldb_private::ThreadList &new_thread_list) override;
lldb_private::ObjectFile *
GetCoreObjectFile ();
private:
bool
GetDynamicLoaderAddress (lldb::addr_t addr);
typedef enum CorefilePreference { eUserProcessCorefile, eKernelCorefile } CorefilePreferences;
//------------------------------------------------------------------
/// If a core file can be interpreted multiple ways, this establishes
/// which style wins.
///
/// If a core file contains both a kernel binary and a user-process
/// dynamic loader, lldb needs to pick one over the other. This could
/// be a kernel corefile that happens to have a coyp of dyld in its
/// memory. Or it could be a user process coredump of lldb while doing
/// kernel debugging - so a copy of the kernel is in its heap. This
/// should become a setting so it can be over-ridden when necessary.
//------------------------------------------------------------------
CorefilePreference
GetCorefilePreference ()
{
// For now, if both user process and kernel binaries a present,
// assume this is a kernel coredump which has a copy of a user
// process dyld in one of its pages.
return eKernelCorefile;
}
//------------------------------------------------------------------
// For ProcessMachCore only
//------------------------------------------------------------------
typedef lldb_private::Range<lldb::addr_t, lldb::addr_t> FileRange;
typedef lldb_private::RangeDataVector<lldb::addr_t, lldb::addr_t, FileRange> VMRangeToFileOffset;
VMRangeToFileOffset m_core_aranges;
lldb::ModuleSP m_core_module_sp;
lldb_private::FileSpec m_core_file;
lldb::addr_t m_dyld_addr;
lldb::addr_t m_mach_kernel_addr;
lldb_private::ConstString m_dyld_plugin_name;
DISALLOW_COPY_AND_ASSIGN (ProcessMachCore);
};
#endif // liblldb_ProcessMachCore_h_
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