1 //===-- DNBArch.cpp ---------------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Created by Greg Clayton on 6/24/07. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "DNBArch.h" 15 #include <assert.h> 16 #include <mach/mach.h> 17 18 #include <map> 19 20 #include "DNBLog.h" 21 22 typedef std::map<uint32_t, DNBArchPluginInfo> CPUPluginInfoMap; 23 24 //#if defined (__i386__) 25 //static uint32_t g_current_cpu_type = CPU_TYPE_I386; 26 //#elif defined (__x86_64__) 27 //static uint32_t g_current_cpu_type = CPU_TYPE_X86_64; 28 #if defined (__i386__) || defined (__x86_64__) 29 static uint32_t g_current_cpu_type = 0; 30 #elif defined (__arm__) 31 static uint32_t g_current_cpu_type = CPU_TYPE_ARM; 32 #else 33 static uint32_t g_current_cpu_type = 0; 34 #endif 35 36 CPUPluginInfoMap g_arch_plugins; 37 38 39 static const DNBArchPluginInfo * 40 GetArchInfo () 41 { 42 CPUPluginInfoMap::const_iterator pos = g_arch_plugins.find(g_current_cpu_type); 43 if (pos != g_arch_plugins.end()) 44 return &pos->second; 45 return NULL; 46 } 47 48 49 uint32_t 50 DNBArchProtocol::GetArchitecture () 51 { 52 return g_current_cpu_type; 53 } 54 55 bool 56 DNBArchProtocol::SetArchitecture (uint32_t cpu_type) 57 { 58 g_current_cpu_type = cpu_type; 59 bool result = g_arch_plugins.find(g_current_cpu_type) != g_arch_plugins.end(); 60 DNBLogThreadedIf (LOG_PROCESS, "DNBArchProtocol::SetDefaultArchitecture (cpu_type=0x%8.8x) => %i", cpu_type, result); 61 return result; 62 } 63 64 void 65 DNBArchProtocol::RegisterArchPlugin (const DNBArchPluginInfo &arch_info) 66 { 67 if (arch_info.cpu_type) 68 g_arch_plugins[arch_info.cpu_type] = arch_info; 69 } 70 71 const DNBRegisterSetInfo * 72 DNBArchProtocol::GetRegisterSetInfo (nub_size_t *num_reg_sets) 73 { 74 const DNBArchPluginInfo *arch_info = GetArchInfo (); 75 if (arch_info) 76 return arch_info->GetRegisterSetInfo (num_reg_sets); 77 *num_reg_sets = 0; 78 return NULL; 79 } 80 81 DNBArchProtocol * 82 DNBArchProtocol::Create (MachThread *thread) 83 { 84 const DNBArchPluginInfo *arch_info = GetArchInfo (); 85 if (arch_info) 86 return arch_info->Create (thread); 87 return NULL; 88 89 } 90 91 const uint8_t * const 92 DNBArchProtocol::GetBreakpointOpcode (nub_size_t byte_size) 93 { 94 const DNBArchPluginInfo *arch_info = GetArchInfo (); 95 if (arch_info) 96 return arch_info->GetBreakpointOpcode (byte_size); 97 return NULL; 98 } 99 100
