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 <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(x: 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(x: 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

source code of lldb/tools/debugserver/source/DNBArch.cpp