83 lines · cpp
1//===-- DNBArch.cpp ---------------------------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// Created by Greg Clayton on 6/24/07.10//11//===----------------------------------------------------------------------===//12 13#include "DNBArch.h"14#include <cassert>15#include <mach/mach.h>16 17#include <map>18 19#include "DNBLog.h"20 21typedef std::map<uint32_t, DNBArchPluginInfo> CPUPluginInfoMap;22 23static uint32_t g_current_cpu_type = 0;24static uint32_t g_current_cpu_subtype = 0;25CPUPluginInfoMap g_arch_plugins;26 27static const DNBArchPluginInfo *GetArchInfo() {28 CPUPluginInfoMap::const_iterator pos =29 g_arch_plugins.find(g_current_cpu_type);30 if (pos != g_arch_plugins.end())31 return &pos->second;32 return NULL;33}34 35uint32_t DNBArchProtocol::GetCPUType() { return g_current_cpu_type; }36uint32_t DNBArchProtocol::GetCPUSubType() { return g_current_cpu_subtype; }37 38bool DNBArchProtocol::SetArchitecture(uint32_t cpu_type, uint32_t cpu_subtype) {39 g_current_cpu_type = cpu_type;40 g_current_cpu_subtype = cpu_subtype;41 bool result = g_arch_plugins.find(g_current_cpu_type) != g_arch_plugins.end();42 DNBLogThreadedIf(LOG_PROCESS,43 "DNBArchProtocol::SetDefaultArchitecture (cpu_type=0x%8.8x, "44 "cpu_subtype=0x%8.8x) => %i",45 cpu_type, cpu_subtype, result);46 return result;47}48 49void DNBArchProtocol::RegisterArchPlugin(const DNBArchPluginInfo &arch_info) {50 if (arch_info.cpu_type)51 g_arch_plugins[arch_info.cpu_type] = arch_info;52}53 54uint32_t DNBArchProtocol::GetRegisterCPUType() {55 const DNBArchPluginInfo *arch_info = GetArchInfo();56 if (arch_info)57 return arch_info->cpu_type;58 return 0;59}60 61const DNBRegisterSetInfo *62DNBArchProtocol::GetRegisterSetInfo(nub_size_t *num_reg_sets) {63 const DNBArchPluginInfo *arch_info = GetArchInfo();64 if (arch_info)65 return arch_info->GetRegisterSetInfo(num_reg_sets);66 *num_reg_sets = 0;67 return NULL;68}69 70DNBArchProtocol *DNBArchProtocol::Create(MachThread *thread) {71 const DNBArchPluginInfo *arch_info = GetArchInfo();72 if (arch_info)73 return arch_info->Create(thread);74 return NULL;75}76 77const uint8_t *DNBArchProtocol::GetBreakpointOpcode(nub_size_t byte_size) {78 const DNBArchPluginInfo *arch_info = GetArchInfo();79 if (arch_info)80 return arch_info->GetBreakpointOpcode(byte_size);81 return NULL;82}83