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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // Created by Greg Clayton on 6/24/07. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "DNBArch.h" 14 #include <assert.h> 15 #include <mach/mach.h> 16 17 #include <map> 18 19 #include "DNBLog.h" 20 21 typedef std::map<uint32_t, DNBArchPluginInfo> CPUPluginInfoMap; 22 23 static uint32_t g_current_cpu_type = 0; 24 CPUPluginInfoMap g_arch_plugins; 25 26 static const DNBArchPluginInfo *GetArchInfo() { 27 CPUPluginInfoMap::const_iterator pos = 28 g_arch_plugins.find(g_current_cpu_type); 29 if (pos != g_arch_plugins.end()) 30 return &pos->second; 31 return NULL; 32 } 33 34 uint32_t DNBArchProtocol::GetArchitecture() { return g_current_cpu_type; } 35 36 bool DNBArchProtocol::SetArchitecture(uint32_t cpu_type) { 37 g_current_cpu_type = cpu_type; 38 bool result = g_arch_plugins.find(g_current_cpu_type) != g_arch_plugins.end(); 39 DNBLogThreadedIf( 40 LOG_PROCESS, 41 "DNBArchProtocol::SetDefaultArchitecture (cpu_type=0x%8.8x) => %i", 42 cpu_type, result); 43 return result; 44 } 45 46 void DNBArchProtocol::RegisterArchPlugin(const DNBArchPluginInfo &arch_info) { 47 if (arch_info.cpu_type) 48 g_arch_plugins[arch_info.cpu_type] = arch_info; 49 } 50 51 uint32_t DNBArchProtocol::GetRegisterCPUType() { 52 const DNBArchPluginInfo *arch_info = GetArchInfo(); 53 if (arch_info) 54 return arch_info->cpu_type; 55 return 0; 56 } 57 58 const DNBRegisterSetInfo * 59 DNBArchProtocol::GetRegisterSetInfo(nub_size_t *num_reg_sets) { 60 const DNBArchPluginInfo *arch_info = GetArchInfo(); 61 if (arch_info) 62 return arch_info->GetRegisterSetInfo(num_reg_sets); 63 *num_reg_sets = 0; 64 return NULL; 65 } 66 67 DNBArchProtocol *DNBArchProtocol::Create(MachThread *thread) { 68 const DNBArchPluginInfo *arch_info = GetArchInfo(); 69 if (arch_info) 70 return arch_info->Create(thread); 71 return NULL; 72 } 73 74 const uint8_t *DNBArchProtocol::GetBreakpointOpcode(nub_size_t byte_size) { 75 const DNBArchPluginInfo *arch_info = GetArchInfo(); 76 if (arch_info) 77 return arch_info->GetBreakpointOpcode(byte_size); 78 return NULL; 79 } 80