LLDB mainline
PlatformRemoteAppleWatch.cpp
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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
13
15#include "lldb/Core/Module.h"
19#include "lldb/Host/Host.h"
20#include "lldb/Target/Process.h"
21#include "lldb/Target/Target.h"
25#include "lldb/Utility/Log.h"
26#include "lldb/Utility/Status.h"
28
29using namespace lldb;
30using namespace lldb_private;
31
32// Static Variables
34
35// Static Functions
38
39 if (g_initialize_count++ == 0) {
44 }
45}
46
48 if (g_initialize_count > 0) {
49 if (--g_initialize_count == 0) {
51 }
52 }
53
55}
56
58 const ArchSpec *arch) {
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
140 return "Remote Apple Watch platform plug-in.";
141}
142
143/// Default Constructor
146
147std::vector<ArchSpec>
149 ArchSpec system_arch(GetSystemArchitecture());
150
151 const ArchSpec::Core system_core = system_arch.GetCore();
152 switch (system_core) {
153 default:
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
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
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
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
184 return "watchOS DeviceSupport";
185}
186
188 return "WatchOS.platform";
189}
#define LLDB_LOGF(log,...)
Definition: Log.h:344
static uint32_t g_initialize_count
static uint32_t g_initialize_count
An architecture specification class.
Definition: ArchSpec.h:32
bool IsValid() const
Tests if this ArchSpec is valid.
Definition: ArchSpec.h:361
llvm::Triple & GetTriple()
Architecture triple accessor.
Definition: ArchSpec.h:463
llvm::Triple::ArchType GetMachine() const
Returns a machine family for the current architecture.
Definition: ArchSpec.cpp:678
bool TripleVendorWasSpecified() const
Definition: ArchSpec.h:366
Core GetCore() const
Definition: ArchSpec.h:442
const char * GetArchitectureName() const
Returns a static string representing the current architecture.
Definition: ArchSpec.cpp:547
std::vector< ArchSpec > GetSupportedArchitectures(const ArchSpec &process_host_arch) override
Get the platform's supported architectures in the order in which they should be searched.
static lldb::PlatformSP CreateInstance(bool force, const ArchSpec *arch)
llvm::StringRef GetDeviceSupportDirectoryName() override
const ArchSpec & GetSystemArchitecture()
Definition: Platform.cpp:887
static bool RegisterPlugin(llvm::StringRef name, llvm::StringRef description, ABICreateInstance create_callback)
static bool UnregisterPlugin(ABICreateInstance create_callback)
A class that represents a running process on the host machine.
Log * GetLog(Cat mask)
Retrieve the Log object for the channel associated with the given log enum.
Definition: Log.h:309
Definition: SBAddress.h:15