1//===-- PlatformRemoteAppleWatch.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 "PlatformRemoteAppleWatch.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/Status.h"
27#include "lldb/Utility/StreamString.h"
28
29using namespace lldb;
30using namespace lldb_private;
31
32// Static Variables
33static uint32_t g_initialize_count = 0;
34
35// Static Functions
36void PlatformRemoteAppleWatch::Initialize() {
37 PlatformDarwin::Initialize();
38
39 if (g_initialize_count++ == 0) {
40 PluginManager::RegisterPlugin(
41 name: PlatformRemoteAppleWatch::GetPluginNameStatic(),
42 description: PlatformRemoteAppleWatch::GetDescriptionStatic(),
43 create_callback: PlatformRemoteAppleWatch::CreateInstance);
44 }
45}
46
47void PlatformRemoteAppleWatch::Terminate() {
48 if (g_initialize_count > 0) {
49 if (--g_initialize_count == 0) {
50 PluginManager::UnregisterPlugin(create_callback: PlatformRemoteAppleWatch::CreateInstance);
51 }
52 }
53
54 PlatformDarwin::Terminate();
55}
56
57PlatformSP PlatformRemoteAppleWatch::CreateInstance(bool force,
58 const ArchSpec *arch) {
59 Log *log = GetLog(mask: LLDBLog::Platform);
60 if (log) {
61 const char *arch_name;
62 if (arch && arch->GetArchitectureName())
63 arch_name = arch->GetArchitectureName();
64 else
65 arch_name = "<null>";
66
67 const char *triple_cstr =
68 arch ? arch->GetTriple().getTriple().c_str() : "<null>";
69
70 LLDB_LOGF(log, "PlatformRemoteAppleWatch::%s(force=%s, arch={%s,%s})",
71 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
72 }
73
74 bool create = force;
75 if (!create && arch && arch->IsValid()) {
76 switch (arch->GetMachine()) {
77 case llvm::Triple::arm:
78 case llvm::Triple::aarch64:
79 case llvm::Triple::aarch64_32:
80 case llvm::Triple::thumb: {
81 const llvm::Triple &triple = arch->GetTriple();
82 llvm::Triple::VendorType vendor = triple.getVendor();
83 switch (vendor) {
84 case llvm::Triple::Apple:
85 create = true;
86 break;
87
88#if defined(__APPLE__)
89 // Only accept "unknown" for the vendor if the host is Apple and
90 // "unknown" wasn't specified (it was just returned because it was NOT
91 // specified)
92 case llvm::Triple::UnknownVendor:
93 create = !arch->TripleVendorWasSpecified();
94 break;
95
96#endif
97 default:
98 break;
99 }
100 if (create) {
101 switch (triple.getOS()) {
102 case llvm::Triple::WatchOS: // This is the right triple value for Apple
103 // Watch debugging
104 break;
105
106 default:
107 create = false;
108 break;
109 }
110 }
111 } break;
112 default:
113 break;
114 }
115 }
116
117#if defined(__APPLE__) && \
118 (defined(__arm__) || defined(__arm64__) || defined(__aarch64__))
119 // If lldb is running on a watch, this isn't a RemoteWatch environment; it's
120 // a local system environment.
121 if (force == false) {
122 create = false;
123 }
124#endif
125
126 if (create) {
127 LLDB_LOGF(log, "PlatformRemoteAppleWatch::%s() creating platform",
128 __FUNCTION__);
129
130 return lldb::PlatformSP(new PlatformRemoteAppleWatch());
131 }
132
133 LLDB_LOGF(log, "PlatformRemoteAppleWatch::%s() aborting creation of platform",
134 __FUNCTION__);
135
136 return lldb::PlatformSP();
137}
138
139llvm::StringRef PlatformRemoteAppleWatch::GetDescriptionStatic() {
140 return "Remote Apple Watch platform plug-in.";
141}
142
143/// Default Constructor
144PlatformRemoteAppleWatch::PlatformRemoteAppleWatch()
145 : PlatformRemoteDarwinDevice() {}
146
147std::vector<ArchSpec>
148PlatformRemoteAppleWatch::GetSupportedArchitectures(const ArchSpec &host_info) {
149 ArchSpec system_arch(GetSystemArchitecture());
150
151 const ArchSpec::Core system_core = system_arch.GetCore();
152 switch (system_core) {
153 default:
154 case ArchSpec::eCore_arm_arm64:
155 return {
156 ArchSpec("arm64-apple-watchos"), ArchSpec("armv7k-apple-watchos"),
157 ArchSpec("armv7s-apple-watchos"), ArchSpec("armv7-apple-watchos"),
158 ArchSpec("thumbv7k-apple-watchos"), ArchSpec("thumbv7-apple-watchos"),
159 ArchSpec("thumbv7s-apple-watchos"), ArchSpec("arm64_32-apple-watchos")};
160
161 case ArchSpec::eCore_arm_armv7k:
162 return {
163 ArchSpec("armv7k-apple-watchos"), ArchSpec("armv7s-apple-watchos"),
164 ArchSpec("armv7-apple-watchos"), ArchSpec("thumbv7k-apple-watchos"),
165 ArchSpec("thumbv7-apple-watchos"), ArchSpec("thumbv7s-apple-watchos"),
166 ArchSpec("arm64_32-apple-watchos")};
167
168 case ArchSpec::eCore_arm_armv7s:
169 return {
170 ArchSpec("armv7s-apple-watchos"), ArchSpec("armv7k-apple-watchos"),
171 ArchSpec("armv7-apple-watchos"), ArchSpec("thumbv7k-apple-watchos"),
172 ArchSpec("thumbv7-apple-watchos"), ArchSpec("thumbv7s-apple-watchos"),
173 ArchSpec("arm64_32-apple-watchos")};
174
175 case ArchSpec::eCore_arm_armv7:
176 return {ArchSpec("armv7-apple-watchos"), ArchSpec("armv7k-apple-watchos"),
177 ArchSpec("thumbv7k-apple-watchos"),
178 ArchSpec("thumbv7-apple-watchos"),
179 ArchSpec("arm64_32-apple-watchos")};
180 }
181}
182
183llvm::StringRef PlatformRemoteAppleWatch::GetDeviceSupportDirectoryName() {
184 return "watchOS DeviceSupport";
185}
186
187llvm::StringRef PlatformRemoteAppleWatch::GetPlatformName() {
188 return "WatchOS.platform";
189}
190

source code of lldb/source/Plugins/Platform/MacOSX/PlatformRemoteAppleWatch.cpp