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
28using namespace lldb;
29using namespace lldb_private;
30
31/// Default Constructor
32PlatformRemoteAppleBridge::PlatformRemoteAppleBridge()
33 : PlatformRemoteDarwinDevice () {}
34
35// Static Variables
36static uint32_t g_initialize_count = 0;
37
38// Static Functions
39void PlatformRemoteAppleBridge::Initialize() {
40 PlatformDarwin::Initialize();
41
42 if (g_initialize_count++ == 0) {
43 PluginManager::RegisterPlugin(name: PlatformRemoteAppleBridge::GetPluginNameStatic(),
44 description: PlatformRemoteAppleBridge::GetDescriptionStatic(),
45 create_callback: PlatformRemoteAppleBridge::CreateInstance);
46 }
47}
48
49void PlatformRemoteAppleBridge::Terminate() {
50 if (g_initialize_count > 0) {
51 if (--g_initialize_count == 0) {
52 PluginManager::UnregisterPlugin(create_callback: PlatformRemoteAppleBridge::CreateInstance);
53 }
54 }
55
56 PlatformDarwin::Terminate();
57}
58
59PlatformSP PlatformRemoteAppleBridge::CreateInstance(bool force,
60 const ArchSpec *arch) {
61 Log *log = GetLog(mask: 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 case llvm::Triple::BridgeOS:
107 break;
108 default:
109 create = false;
110 break;
111 }
112#ifdef _MSC_VER
113#pragma warning(pop)
114#endif
115 }
116 } break;
117 default:
118 break;
119 }
120 }
121
122 if (create) {
123 LLDB_LOGF(log, "PlatformRemoteAppleBridge::%s() creating platform",
124 __FUNCTION__);
125
126 return lldb::PlatformSP(new PlatformRemoteAppleBridge());
127 }
128
129 LLDB_LOGF(log,
130 "PlatformRemoteAppleBridge::%s() aborting creation of platform",
131 __FUNCTION__);
132
133 return lldb::PlatformSP();
134}
135
136llvm::StringRef PlatformRemoteAppleBridge::GetDescriptionStatic() {
137 return "Remote BridgeOS platform plug-in.";
138}
139
140std::vector<ArchSpec> PlatformRemoteAppleBridge::GetSupportedArchitectures(
141 const ArchSpec &process_host_arch) {
142 return {ArchSpec("arm64-apple-bridgeos")};
143}
144
145llvm::StringRef PlatformRemoteAppleBridge::GetDeviceSupportDirectoryName() {
146 return "BridgeOS DeviceSupport";
147}
148
149llvm::StringRef PlatformRemoteAppleBridge::GetPlatformName() {
150 return "BridgeOS.platform";
151}
152

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