1 //===-- PlatformRemoteiOS.cpp ---------------------------------------------===//
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 #include "PlatformRemoteiOS.h"
10
11 #include "lldb/Breakpoint/BreakpointLocation.h"
12 #include "lldb/Core/Module.h"
13 #include "lldb/Core/ModuleList.h"
14 #include "lldb/Core/ModuleSpec.h"
15 #include "lldb/Core/PluginManager.h"
16 #include "lldb/Host/Host.h"
17 #include "lldb/Target/Process.h"
18 #include "lldb/Target/Target.h"
19 #include "lldb/Utility/ArchSpec.h"
20 #include "lldb/Utility/FileSpec.h"
21 #include "lldb/Utility/Log.h"
22 #include "lldb/Utility/Status.h"
23 #include "lldb/Utility/StreamString.h"
24
25 using namespace lldb;
26 using namespace lldb_private;
27
28 LLDB_PLUGIN_DEFINE(PlatformRemoteiOS)
29
30 // Static Variables
31 static uint32_t g_initialize_count = 0;
32
33 // Static Functions
Initialize()34 void PlatformRemoteiOS::Initialize() {
35 PlatformDarwin::Initialize();
36
37 if (g_initialize_count++ == 0) {
38 PluginManager::RegisterPlugin(PlatformRemoteiOS::GetPluginNameStatic(),
39 PlatformRemoteiOS::GetDescriptionStatic(),
40 PlatformRemoteiOS::CreateInstance);
41 }
42 }
43
Terminate()44 void PlatformRemoteiOS::Terminate() {
45 if (g_initialize_count > 0) {
46 if (--g_initialize_count == 0) {
47 PluginManager::UnregisterPlugin(PlatformRemoteiOS::CreateInstance);
48 }
49 }
50
51 PlatformDarwin::Terminate();
52 }
53
CreateInstance(bool force,const ArchSpec * arch)54 PlatformSP PlatformRemoteiOS::CreateInstance(bool force, const ArchSpec *arch) {
55 Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM));
56 if (log) {
57 const char *arch_name;
58 if (arch && arch->GetArchitectureName())
59 arch_name = arch->GetArchitectureName();
60 else
61 arch_name = "<null>";
62
63 const char *triple_cstr =
64 arch ? arch->GetTriple().getTriple().c_str() : "<null>";
65
66 LLDB_LOGF(log, "PlatformRemoteiOS::%s(force=%s, arch={%s,%s})",
67 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
68 }
69
70 bool create = force;
71 if (!create && arch && arch->IsValid()) {
72 switch (arch->GetMachine()) {
73 case llvm::Triple::arm:
74 case llvm::Triple::aarch64:
75 case llvm::Triple::thumb: {
76 const llvm::Triple &triple = arch->GetTriple();
77 llvm::Triple::VendorType vendor = triple.getVendor();
78 switch (vendor) {
79 case llvm::Triple::Apple:
80 create = true;
81 break;
82
83 #if defined(__APPLE__)
84 // Only accept "unknown" for the vendor if the host is Apple and
85 // "unknown" wasn't specified (it was just returned because it was NOT
86 // specified)
87 case llvm::Triple::UnknownVendor:
88 create = !arch->TripleVendorWasSpecified();
89 break;
90
91 #endif
92 default:
93 break;
94 }
95 if (create) {
96 switch (triple.getOS()) {
97 case llvm::Triple::Darwin: // Deprecated, but still support Darwin for
98 // historical reasons
99 case llvm::Triple::IOS: // This is the right triple value for iOS
100 // debugging
101 break;
102
103 default:
104 create = false;
105 break;
106 }
107 }
108 } break;
109 default:
110 break;
111 }
112 }
113
114 if (create) {
115 if (log)
116 LLDB_LOGF(log, "PlatformRemoteiOS::%s() creating platform", __FUNCTION__);
117
118 return lldb::PlatformSP(new PlatformRemoteiOS());
119 }
120
121 if (log)
122 LLDB_LOGF(log, "PlatformRemoteiOS::%s() aborting creation of platform",
123 __FUNCTION__);
124
125 return lldb::PlatformSP();
126 }
127
GetPluginNameStatic()128 lldb_private::ConstString PlatformRemoteiOS::GetPluginNameStatic() {
129 static ConstString g_name("remote-ios");
130 return g_name;
131 }
132
GetDescriptionStatic()133 const char *PlatformRemoteiOS::GetDescriptionStatic() {
134 return "Remote iOS platform plug-in.";
135 }
136
137 /// Default Constructor
PlatformRemoteiOS()138 PlatformRemoteiOS::PlatformRemoteiOS()
139 : PlatformRemoteDarwinDevice() {}
140
GetSupportedArchitectureAtIndex(uint32_t idx,ArchSpec & arch)141 bool PlatformRemoteiOS::GetSupportedArchitectureAtIndex(uint32_t idx,
142 ArchSpec &arch) {
143 return ARMGetSupportedArchitectureAtIndex(idx, arch);
144 }
145
GetDeviceSupportDirectoryName()146 llvm::StringRef PlatformRemoteiOS::GetDeviceSupportDirectoryName() {
147 return "iOS DeviceSupport";
148 }
149
GetPlatformName()150 llvm::StringRef PlatformRemoteiOS::GetPlatformName() {
151 return "iPhoneOS.platform";
152 }
153