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//===-- DNBArch.cpp ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Created by Greg Clayton on 6/24/07.
//
//===----------------------------------------------------------------------===//
#include "DNBArch.h"
#include <assert.h>
#include <mach/mach.h>
#include <map>
#include "DNBLog.h"
typedef std::map<uint32_t, DNBArchPluginInfo> CPUPluginInfoMap;
static uint32_t g_current_cpu_type = 0;
CPUPluginInfoMap g_arch_plugins;
static const DNBArchPluginInfo *
GetArchInfo ()
{
CPUPluginInfoMap::const_iterator pos = g_arch_plugins.find(g_current_cpu_type);
if (pos != g_arch_plugins.end())
return &pos->second;
return NULL;
}
uint32_t
DNBArchProtocol::GetArchitecture ()
{
return g_current_cpu_type;
}
bool
DNBArchProtocol::SetArchitecture (uint32_t cpu_type)
{
g_current_cpu_type = cpu_type;
bool result = g_arch_plugins.find(g_current_cpu_type) != g_arch_plugins.end();
DNBLogThreadedIf (LOG_PROCESS, "DNBArchProtocol::SetDefaultArchitecture (cpu_type=0x%8.8x) => %i", cpu_type, result);
return result;
}
void
DNBArchProtocol::RegisterArchPlugin (const DNBArchPluginInfo &arch_info)
{
if (arch_info.cpu_type)
g_arch_plugins[arch_info.cpu_type] = arch_info;
}
uint32_t
DNBArchProtocol::GetRegisterCPUType ()
{
const DNBArchPluginInfo *arch_info = GetArchInfo ();
if (arch_info)
return arch_info->cpu_type;
return 0;
}
const DNBRegisterSetInfo *
DNBArchProtocol::GetRegisterSetInfo (nub_size_t *num_reg_sets)
{
const DNBArchPluginInfo *arch_info = GetArchInfo ();
if (arch_info)
return arch_info->GetRegisterSetInfo (num_reg_sets);
*num_reg_sets = 0;
return NULL;
}
DNBArchProtocol *
DNBArchProtocol::Create (MachThread *thread)
{
const DNBArchPluginInfo *arch_info = GetArchInfo ();
if (arch_info)
return arch_info->Create (thread);
return NULL;
}
const uint8_t * const
DNBArchProtocol::GetBreakpointOpcode (nub_size_t byte_size)
{
const DNBArchPluginInfo *arch_info = GetArchInfo ();
if (arch_info)
return arch_info->GetBreakpointOpcode (byte_size);
return NULL;
}
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