LLDB mainline
PlatformRemoteMacOSX.cpp
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1//===-- PlatformRemoteMacOSX.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 <memory>
10#include <string>
11#include <vector>
12
14
16#include "lldb/Core/Module.h"
20#include "lldb/Host/Host.h"
21#include "lldb/Host/HostInfo.h"
22#include "lldb/Target/Process.h"
23#include "lldb/Target/Target.h"
27#include "lldb/Utility/Log.h"
29
30using namespace lldb;
31using namespace lldb_private;
32
33/// Default Constructor
35
36// Static Variables
37static uint32_t g_initialize_count = 0;
38
39// Static Functions
42
43 if (g_initialize_count++ == 0) {
47 }
48}
49
51 if (g_initialize_count > 0) {
52 if (--g_initialize_count == 0) {
54 }
55 }
56
58}
59
61 const ArchSpec *arch) {
63 if (log) {
64 const char *arch_name;
65 if (arch && arch->GetArchitectureName())
66 arch_name = arch->GetArchitectureName();
67 else
68 arch_name = "<null>";
69
70 const char *triple_cstr =
71 arch ? arch->GetTriple().getTriple().c_str() : "<null>";
72
73 LLDB_LOGF(log, "PlatformRemoteMacOSX::%s(force=%s, arch={%s,%s})",
74 __FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
75 }
76
77 bool create = force;
78 if (!create && arch && arch->IsValid()) {
79 const llvm::Triple &triple = arch->GetTriple();
80 switch (triple.getVendor()) {
81 case llvm::Triple::Apple:
82 create = true;
83 break;
84
85#if defined(__APPLE__)
86 // Only accept "unknown" for vendor if the host is Apple and it "unknown"
87 // wasn't specified (it was just returned because it was NOT specified)
88 case llvm::Triple::UnknownVendor:
89 create = !arch->TripleVendorWasSpecified();
90 break;
91#endif
92 default:
93 break;
94 }
95
96 if (create) {
97 switch (triple.getOS()) {
98 case llvm::Triple::Darwin: // Deprecated, but still support Darwin for
99 // historical reasons
100 case llvm::Triple::MacOSX:
101 break;
102#if defined(__APPLE__)
103 // Only accept "vendor" for vendor if the host is Apple and it "unknown"
104 // wasn't specified (it was just returned because it was NOT specified)
105 case llvm::Triple::UnknownOS:
106 create = !arch->TripleOSWasSpecified();
107 break;
108#endif
109 default:
110 create = false;
111 break;
112 }
113 }
114 }
115
116 if (create) {
117 LLDB_LOGF(log, "PlatformRemoteMacOSX::%s() creating platform",
118 __FUNCTION__);
119 return std::make_shared<PlatformRemoteMacOSX>();
120 }
121
122 LLDB_LOGF(log, "PlatformRemoteMacOSX::%s() aborting creation of platform",
123 __FUNCTION__);
124
125 return PlatformSP();
126}
127
128std::vector<ArchSpec>
130 // macOS for ARM64 support both native and translated x86_64 processes
131 std::vector<ArchSpec> result;
132 ARMGetSupportedArchitectures(result, llvm::Triple::MacOSX);
133
134 // We can't use x86GetSupportedArchitectures() because it uses
135 // the system architecture for some of its return values and also
136 // has a 32bits variant.
137 result.push_back(ArchSpec("x86_64-apple-macosx"));
138 result.push_back(ArchSpec("x86_64-apple-ios-macabi"));
139 result.push_back(ArchSpec("arm64-apple-ios"));
140 result.push_back(ArchSpec("arm64e-apple-ios"));
141 return result;
142}
143
145 return "Remote Mac OS X user platform plug-in.";
146}
147
149 return "macOS DeviceSupport";
150}
151
153 return "MacOSX.platform";
154}
#define LLDB_LOGF(log,...)
Definition: Log.h:366
static uint32_t g_initialize_count
An architecture specification class.
Definition: ArchSpec.h:31
bool IsValid() const
Tests if this ArchSpec is valid.
Definition: ArchSpec.h:348
llvm::Triple & GetTriple()
Architecture triple accessor.
Definition: ArchSpec.h:450
bool TripleVendorWasSpecified() const
Definition: ArchSpec.h:353
bool TripleOSWasSpecified() const
Definition: ArchSpec.h:357
const char * GetArchitectureName() const
Returns a static string representing the current architecture.
Definition: ArchSpec.cpp:552
void ARMGetSupportedArchitectures(std::vector< ArchSpec > &archs, std::optional< llvm::Triple::OSType > os={})
The architecture selection rules for arm processors These cpu subtypes have distinct names (e....
static llvm::StringRef GetPluginNameStatic()
llvm::StringRef GetDeviceSupportDirectoryName() override
static lldb::PlatformSP CreateInstance(bool force, const ArchSpec *arch)
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.
llvm::StringRef GetPlatformName() override
static llvm::StringRef GetDescriptionStatic()
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:331
Definition: SBAddress.h:15
std::shared_ptr< lldb_private::Platform > PlatformSP
Definition: lldb-forward.h:384