1 //===-- PlatformRemoteAppleBridge.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 <string>
10 #include <vector>
11
12 #include "PlatformRemoteAppleBridge.h"
13
14 #include "lldb/Breakpoint/BreakpointLocation.h"
15 #include "lldb/Core/Module.h"
16 #include "lldb/Core/ModuleList.h"
17 #include "lldb/Core/ModuleSpec.h"
18 #include "lldb/Core/PluginManager.h"
19 #include "lldb/Host/Host.h"
20 #include "lldb/Target/Process.h"
21 #include "lldb/Target/Target.h"
22 #include "lldb/Utility/ArchSpec.h"
23 #include "lldb/Utility/FileSpec.h"
24 #include "lldb/Utility/LLDBLog.h"
25 #include "lldb/Utility/Log.h"
26 #include "lldb/Utility/StreamString.h"
27
28 using namespace lldb;
29 using namespace lldb_private;
30
31 /// Default Constructor
PlatformRemoteAppleBridge()32 PlatformRemoteAppleBridge::PlatformRemoteAppleBridge()
33 : PlatformRemoteDarwinDevice () {}
34
35 // Static Variables
36 static uint32_t g_initialize_count = 0;
37
38 // Static Functions
Initialize()39 void PlatformRemoteAppleBridge::Initialize() {
40 PlatformDarwin::Initialize();
41
42 if (g_initialize_count++ == 0) {
43 PluginManager::RegisterPlugin(PlatformRemoteAppleBridge::GetPluginNameStatic(),
44 PlatformRemoteAppleBridge::GetDescriptionStatic(),
45 PlatformRemoteAppleBridge::CreateInstance);
46 }
47 }
48
Terminate()49 void PlatformRemoteAppleBridge::Terminate() {
50 if (g_initialize_count > 0) {
51 if (--g_initialize_count == 0) {
52 PluginManager::UnregisterPlugin(PlatformRemoteAppleBridge::CreateInstance);
53 }
54 }
55
56 PlatformDarwin::Terminate();
57 }
58
CreateInstance(bool force,const ArchSpec * arch)59 PlatformSP PlatformRemoteAppleBridge::CreateInstance(bool force,
60 const ArchSpec *arch) {
61 Log *log = GetLog(LLDBLog::Platform);
62 if (log) {
63 const char *arch_name;
64 if (arch && arch->GetArchitectureName())
65 arch_name = arch->GetArchitectureName();
66 else
67 arch_name = "<null>";
68
69 const char *triple_cstr =
70 arch ? arch->GetTriple().getTriple().c_str() : "<null>";
71
72 LLDB_LOGF(log, "PlatformRemoteAppleBridge::%s(force=%s, arch={%s,%s})",
73 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
74 }
75
76 bool create = force;
77 if (!create && arch && arch->IsValid()) {
78 switch (arch->GetMachine()) {
79 case llvm::Triple::aarch64: {
80 const llvm::Triple &triple = arch->GetTriple();
81 llvm::Triple::VendorType vendor = triple.getVendor();
82 switch (vendor) {
83 case llvm::Triple::Apple:
84 create = true;
85 break;
86
87 #if defined(__APPLE__)
88 // Only accept "unknown" for the vendor if the host is Apple and
89 // it "unknown" wasn't specified (it was just returned because it
90 // was NOT specified)
91 case llvm::Triple::UnknownVendor:
92 create = !arch->TripleVendorWasSpecified();
93 break;
94
95 #endif
96 default:
97 break;
98 }
99 if (create) {
100 // Suppress warning "switch statement contains 'default' but no 'case' labels".
101 #ifdef _MSC_VER
102 #pragma warning(push)
103 #pragma warning(disable : 4065)
104 #endif
105 switch (triple.getOS()) {
106 // NEED_BRIDGEOS_TRIPLE case llvm::Triple::BridgeOS:
107 // break;
108
109 default:
110 create = false;
111 break;
112 }
113 #ifdef _MSC_VER
114 #pragma warning(pop)
115 #endif
116 }
117 } break;
118 default:
119 break;
120 }
121 }
122
123 if (create) {
124 LLDB_LOGF(log, "PlatformRemoteAppleBridge::%s() creating platform",
125 __FUNCTION__);
126
127 return lldb::PlatformSP(new PlatformRemoteAppleBridge());
128 }
129
130 LLDB_LOGF(log,
131 "PlatformRemoteAppleBridge::%s() aborting creation of platform",
132 __FUNCTION__);
133
134 return lldb::PlatformSP();
135 }
136
GetDescriptionStatic()137 llvm::StringRef PlatformRemoteAppleBridge::GetDescriptionStatic() {
138 return "Remote BridgeOS platform plug-in.";
139 }
140
GetSupportedArchitectures(const ArchSpec & process_host_arch)141 std::vector<ArchSpec> PlatformRemoteAppleBridge::GetSupportedArchitectures(
142 const ArchSpec &process_host_arch) {
143 return {ArchSpec("arm64-apple-bridgeos")};
144 }
145
GetDeviceSupportDirectoryName()146 llvm::StringRef PlatformRemoteAppleBridge::GetDeviceSupportDirectoryName() {
147 return "BridgeOS DeviceSupport";
148 }
149
GetPlatformName()150 llvm::StringRef PlatformRemoteAppleBridge::GetPlatformName() {
151 return "BridgeOS.platform";
152 }
153