LLDB mainline
PlatformRemoteAppleBridge.cpp
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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
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"
27
28using namespace lldb;
29using namespace lldb_private;
30
31/// Default Constructor
34
35// Static Variables
37
38// Static Functions
41
42 if (g_initialize_count++ == 0) {
46 }
47}
48
50 if (g_initialize_count > 0) {
51 if (--g_initialize_count == 0) {
53 }
54 }
55
57}
58
60 const ArchSpec *arch) {
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
138 return "Remote BridgeOS platform plug-in.";
139}
140
142 const ArchSpec &process_host_arch) {
143 return {ArchSpec("arm64-apple-bridgeos")};
144}
145
147 return "BridgeOS DeviceSupport";
148}
149
151 return "BridgeOS.platform";
152}
#define LLDB_LOGF(log,...)
Definition: Log.h:344
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
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)
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