DNBArch.cpp revision a2f7423310044cf76d8d52aa9153b7fd8b226b49 
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
22typedef 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__)
29static uint32_t g_current_cpu_type = 0;
30#elif defined (__arm__)
31static uint32_t g_current_cpu_type = CPU_TYPE_ARM;
32#else
33static uint32_t g_current_cpu_type = 0;
34#endif
35
36CPUPluginInfoMap g_arch_plugins;
37
38
39static const DNBArchPluginInfo *
40GetArchInfo ()
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
49uint32_t
50DNBArchProtocol::GetArchitecture ()
51{
52    return g_current_cpu_type;
53}
54
55bool
56DNBArchProtocol::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
64void
65DNBArchProtocol::RegisterArchPlugin (const DNBArchPluginInfo &arch_info)
66{
67    if (arch_info.cpu_type)
68        g_arch_plugins[arch_info.cpu_type] = arch_info;
69}
70
71const DNBRegisterSetInfo *
72DNBArchProtocol::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
81DNBArchProtocol *
82DNBArchProtocol::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
91const uint8_t * const
92DNBArchProtocol::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