summaryrefslogtreecommitdiffstats
path: root/lldb/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp
blob: b1df7ba6bb8030bf1a83337e034343946bf823a2 (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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
//===-- Platform.cpp --------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "PlatformMacOSX.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Error.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleList.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Host/FileSpec.h"
#include "lldb/Host/Host.h"
#include "lldb/Target/Process.h"

using namespace lldb;
using namespace lldb_private;
    
void
PlatformMacOSX::Initialize ()
{
#if defined (__APPLE__)
    PlatformSP default_platform_sp (new PlatformMacOSX());
    Platform::SetDefaultPlatform (default_platform_sp);
#endif
}

void
PlatformMacOSX::Terminate ()
{
}


Error
PlatformMacOSX::ResolveExecutable (const FileSpec &exe_file,
                                   const ArchSpec &exe_arch,
                                   lldb::ModuleSP &exe_module_sp)
{
    Error error;
    // Nothing special to do here, just use the actual file and architecture

    FileSpec resolved_exe_file (exe_file);
    
    // If we have "ls" as the exe_file, resolve the executable loation based on
    // the current path variables
    if (!resolved_exe_file.Exists())
        resolved_exe_file.ResolveExecutableLocation ();

    // Resolve any executable within a bundle on MacOSX
    Host::ResolveExecutableInBundle (resolved_exe_file);

    if (resolved_exe_file.Exists())
    {
        if (exe_arch.IsValid())
        {
            error = ModuleList::GetSharedModule (resolved_exe_file, 
                                                 exe_arch, 
                                                 NULL,
                                                 NULL, 
                                                 0, 
                                                 exe_module_sp, 
                                                 NULL, 
                                                 NULL);
        
            if (exe_module_sp->GetObjectFile() == NULL)
            {
                exe_module_sp.reset();
                error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain the architecture %s",
                                                exe_file.GetDirectory().AsCString(""),
                                                exe_file.GetDirectory() ? "/" : "",
                                                exe_file.GetFilename().AsCString(""),
                                                exe_arch.GetArchitectureName());
            }
        }
        else
        {
            // No valid architecture was specified, ask the platform for
            // the architectures that we should be using (in the correct order)
            // and see if we can find a match that way
            StreamString arch_names;
            ArchSpec platform_arch;
            for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, platform_arch); ++idx)
            {
                error = ModuleList::GetSharedModule (resolved_exe_file, 
                                                     platform_arch, 
                                                     NULL,
                                                     NULL, 
                                                     0, 
                                                     exe_module_sp, 
                                                     NULL, 
                                                     NULL);
                // Did we find an executable using one of the 
                if (error.Success())
                {
                    if (exe_module_sp && exe_module_sp->GetObjectFile())
                        break;
                    else
                        error.SetErrorToGenericError();
                }
                
                if (idx > 0)
                    arch_names.PutCString (", ");
                arch_names.PutCString (platform_arch.GetArchitectureName());
            }
            
            if (error.Fail() || !exe_module_sp)
            {
                error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain any '%s' platform architectures: %s",
                                                exe_file.GetDirectory().AsCString(""),
                                                exe_file.GetDirectory() ? "/" : "",
                                                exe_file.GetFilename().AsCString(""),
                                                GetShortPluginName(),
                                                arch_names.GetString().c_str());
            }
        }
    }
    else
    {
        error.SetErrorStringWithFormat ("'%s%s%s' does not exist",
                                        exe_file.GetDirectory().AsCString(""),
                                        exe_file.GetDirectory() ? "/" : "",
                                        exe_file.GetFilename().AsCString(""));
    }

    return error;
}

Error
PlatformMacOSX::GetFile (const FileSpec &platform_file, FileSpec &local_file)
{
    // Default to the local case
    local_file = platform_file;
    return Error();
}


//------------------------------------------------------------------
/// Default Constructor
//------------------------------------------------------------------
PlatformMacOSX::PlatformMacOSX () :
    Platform()
{
}

//------------------------------------------------------------------
/// Destructor.
///
/// The destructor is virtual since this class is designed to be
/// inherited from by the plug-in instance.
//------------------------------------------------------------------
PlatformMacOSX::~PlatformMacOSX()
{
}

uint32_t
PlatformMacOSX::FindProcessesByName (const char *name_match, 
                                     lldb::NameMatchType name_match_type,
                                     ProcessInfoList &process_infos)
{
    return Host::FindProcessesByName (name_match, name_match_type, process_infos);
}

bool
PlatformMacOSX::GetProcessInfo (lldb::pid_t pid, ProcessInfo &process_info)
{
    return Host::GetProcessInfo (pid, process_info);
}

bool
PlatformMacOSX::GetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch)
{
    if (idx == 0)
    {
        arch = Host::GetArchitecture (Host::eSystemDefaultArchitecture);
        return arch.IsValid();
    }
    else if (idx == 1)
    {
        ArchSpec platform_arch (Host::GetArchitecture (Host::eSystemDefaultArchitecture));
        ArchSpec platform_arch64 (Host::GetArchitecture (Host::eSystemDefaultArchitecture64));
        if (platform_arch == platform_arch64)
        {
            // This macosx platform supports both 32 and 64 bit. Since we already
            // returned the 64 bit arch for idx == 0, return the 32 bit arch 
            // for idx == 1
            arch = Host::GetArchitecture (Host::eSystemDefaultArchitecture32);
            return arch.IsValid();
        }
    }
    return false;
}
OpenPOWER on IntegriCloud