summaryrefslogtreecommitdiff
path: root/tools/debugserver/source/DNBArch.cpp
blob: 1312bcf7dfdd862a7a34943129f2e23bb26a18f5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
//===-- 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 *DNBArchProtocol::GetBreakpointOpcode(nub_size_t byte_size) {
  const DNBArchPluginInfo *arch_info = GetArchInfo();
  if (arch_info)
    return arch_info->GetBreakpointOpcode(byte_size);
  return NULL;
}