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//===-- ArchDefaultUnwindPlan-x86.cpp --------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "ArchDefaultUnwindPlan-x86.h"
#include "llvm/Support/MachO.h"
#include "lldb/lldb-private.h"
#include "lldb/Utility/ArchDefaultUnwindPlan.h"
#include "lldb/Core/ArchSpec.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/lldb-enumerations.h"
using namespace lldb;
using namespace lldb_private;
lldb_private::UnwindPlan*
ArchDefaultUnwindPlan_x86::GetArchDefaultUnwindPlan (Thread& thread, Address current_pc)
{
if (m_cpu == llvm::MachO::CPUTypeX86_64)
{
return &m_64bit_default;
}
if (m_cpu == llvm::MachO::CPUTypeI386)
{
return &m_32bit_default;
}
return NULL;
}
lldb_private::ArchDefaultUnwindPlan *
ArchDefaultUnwindPlan_x86::CreateInstance (const lldb_private::ArchSpec &arch)
{
uint32_t cpu = arch.GetCPUType ();
if (cpu != llvm::MachO::CPUTypeX86_64 && cpu != llvm::MachO::CPUTypeI386)
return NULL;
return new ArchDefaultUnwindPlan_x86 (cpu);
}
ArchDefaultUnwindPlan_x86::ArchDefaultUnwindPlan_x86(int cpu) :
lldb_private::ArchDefaultUnwindPlan(),
m_cpu(cpu),
m_32bit_default(),
m_64bit_default()
{
UnwindPlan::Row row;
UnwindPlan::Row::RegisterLocation regloc;
m_32bit_default.SetRegisterKind (eRegisterKindGeneric);
row.SetCFARegister (LLDB_REGNUM_GENERIC_FP);
row.SetCFAOffset (2 * 4);
row.SetOffset (0);
regloc.SetAtCFAPlusOffset (2 * -4);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc);
regloc.SetAtCFAPlusOffset (1 * -4);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc);
regloc.SetIsCFAPlusOffset (0);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc);
m_32bit_default.AppendRow (row);
m_32bit_default.SetSourceName ("architectural default");
row.Clear();
m_64bit_default.SetRegisterKind (eRegisterKindGeneric);
row.SetCFARegister (LLDB_REGNUM_GENERIC_FP);
row.SetCFAOffset (2 * 8);
row.SetOffset (0);
regloc.SetAtCFAPlusOffset (2 * -8);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc);
regloc.SetAtCFAPlusOffset (1 * -8);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc);
regloc.SetIsCFAPlusOffset (0);
row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc);
m_64bit_default.AppendRow (row);
m_64bit_default.SetSourceName ("architectural default");
}
//------------------------------------------------------------------
// PluginInterface protocol in UnwindAssemblyParser_x86
//------------------------------------------------------------------
const char *
ArchDefaultUnwindPlan_x86::GetPluginName()
{
return "ArchDefaultUnwindPlan_x86";
}
const char *
ArchDefaultUnwindPlan_x86::GetShortPluginName()
{
return "archdefaultunwindplan.x86";
}
uint32_t
ArchDefaultUnwindPlan_x86::GetPluginVersion()
{
return 1;
}
void
ArchDefaultUnwindPlan_x86::GetPluginCommandHelp (const char *command, Stream *strm)
{
}
Error
ArchDefaultUnwindPlan_x86::ExecutePluginCommand (Args &command, Stream *strm)
{
Error error;
error.SetErrorString("No plug-in command are currently supported.");
return error;
}
Log *
ArchDefaultUnwindPlan_x86::EnablePluginLogging (Stream *strm, Args &command)
{
return NULL;
}
void
ArchDefaultUnwindPlan_x86::Initialize()
{
PluginManager::RegisterPlugin (GetPluginNameStatic(),
GetPluginDescriptionStatic(),
CreateInstance);
}
void
ArchDefaultUnwindPlan_x86::Terminate()
{
PluginManager::UnregisterPlugin (CreateInstance);
}
const char *
ArchDefaultUnwindPlan_x86::GetPluginNameStatic()
{
return "ArchDefaultUnwindPlan_x86";
}
const char *
ArchDefaultUnwindPlan_x86::GetPluginDescriptionStatic()
{
return "i386 and x86_64 architecture default unwind plan assembly plugin.";
}
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