| 1 | //===-- PlatformRemoteAppleXR.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 "PlatformRemoteAppleXR.h" |
| 13 | #include "lldb/Breakpoint/BreakpointLocation.h" |
| 14 | #include "lldb/Core/Module.h" |
| 15 | #include "lldb/Core/ModuleList.h" |
| 16 | #include "lldb/Core/PluginManager.h" |
| 17 | #include "lldb/Target/Process.h" |
| 18 | #include "lldb/Target/Target.h" |
| 19 | #include "lldb/Utility/ArchSpec.h" |
| 20 | #include "lldb/Utility/FileSpec.h" |
| 21 | #include "lldb/Utility/LLDBLog.h" |
| 22 | #include "lldb/Utility/Log.h" |
| 23 | |
| 24 | using namespace lldb; |
| 25 | using namespace lldb_private; |
| 26 | |
| 27 | // Static Variables |
| 28 | static uint32_t g_xr_initialize_count = 0; |
| 29 | |
| 30 | // Static Functions |
| 31 | void PlatformRemoteAppleXR::Initialize() { |
| 32 | PlatformDarwin::Initialize(); |
| 33 | |
| 34 | if (g_xr_initialize_count++ == 0) { |
| 35 | PluginManager::RegisterPlugin(name: PlatformRemoteAppleXR::GetPluginNameStatic(), |
| 36 | description: PlatformRemoteAppleXR::GetDescriptionStatic(), |
| 37 | create_callback: PlatformRemoteAppleXR::CreateInstance); |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | void PlatformRemoteAppleXR::Terminate() { |
| 42 | if (g_xr_initialize_count > 0) { |
| 43 | if (--g_xr_initialize_count == 0) { |
| 44 | PluginManager::UnregisterPlugin(create_callback: PlatformRemoteAppleXR::CreateInstance); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | PlatformDarwin::Terminate(); |
| 49 | } |
| 50 | |
| 51 | PlatformSP PlatformRemoteAppleXR::CreateInstance(bool force, |
| 52 | const ArchSpec *arch) { |
| 53 | Log *log = GetLog(mask: LLDBLog::Platform); |
| 54 | if (log) { |
| 55 | const char *arch_name; |
| 56 | if (arch && arch->GetArchitectureName()) |
| 57 | arch_name = arch->GetArchitectureName(); |
| 58 | else |
| 59 | arch_name = "<null>" ; |
| 60 | |
| 61 | const char *triple_cstr = |
| 62 | arch ? arch->GetTriple().getTriple().c_str() : "<null>" ; |
| 63 | |
| 64 | LLDB_LOGF(log, "PlatformRemoteAppleXR::%s(force=%s, arch={%s,%s})" , |
| 65 | __FUNCTION__, force ? "true" : "false" , arch_name, triple_cstr); |
| 66 | } |
| 67 | |
| 68 | bool create = force; |
| 69 | if (!create && arch && arch->IsValid()) { |
| 70 | switch (arch->GetMachine()) { |
| 71 | case llvm::Triple::arm: |
| 72 | case llvm::Triple::aarch64: |
| 73 | case llvm::Triple::aarch64_32: |
| 74 | case llvm::Triple::thumb: { |
| 75 | const llvm::Triple &triple = arch->GetTriple(); |
| 76 | llvm::Triple::VendorType vendor = triple.getVendor(); |
| 77 | switch (vendor) { |
| 78 | case llvm::Triple::Apple: |
| 79 | create = true; |
| 80 | break; |
| 81 | |
| 82 | #if defined(__APPLE__) |
| 83 | // Only accept "unknown" for the vendor if the host is Apple and |
| 84 | // "unknown" wasn't specified (it was just returned because it was NOT |
| 85 | // specified) |
| 86 | case llvm::Triple::UnknownVendor: |
| 87 | create = !arch->TripleVendorWasSpecified(); |
| 88 | break; |
| 89 | |
| 90 | #endif |
| 91 | default: |
| 92 | break; |
| 93 | } |
| 94 | if (create) { |
| 95 | switch (triple.getOS()) { |
| 96 | case llvm::Triple::XROS: // This is the right triple value for Apple |
| 97 | // XR debugging |
| 98 | break; |
| 99 | |
| 100 | default: |
| 101 | create = false; |
| 102 | break; |
| 103 | } |
| 104 | } |
| 105 | } break; |
| 106 | default: |
| 107 | break; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | #if defined(TARGET_OS_XR) && TARGET_OS_XR == 1 |
| 112 | // If lldb is running on a XR device, this isn't a RemoteXR. |
| 113 | if (force == false) { |
| 114 | create = false; |
| 115 | } |
| 116 | #endif |
| 117 | |
| 118 | if (create) { |
| 119 | LLDB_LOGF(log, "PlatformRemoteAppleXR::%s() creating platform" , |
| 120 | __FUNCTION__); |
| 121 | |
| 122 | return lldb::PlatformSP(new PlatformRemoteAppleXR()); |
| 123 | } |
| 124 | |
| 125 | LLDB_LOGF(log, "PlatformRemoteAppleXR::%s() aborting creation of platform" , |
| 126 | __FUNCTION__); |
| 127 | |
| 128 | return lldb::PlatformSP(); |
| 129 | } |
| 130 | |
| 131 | llvm::StringRef PlatformRemoteAppleXR::GetPluginNameStatic() { |
| 132 | return "remote-xros" ; |
| 133 | } |
| 134 | |
| 135 | llvm::StringRef PlatformRemoteAppleXR::GetDescriptionStatic() { |
| 136 | return "Remote Apple XR platform plug-in." ; |
| 137 | } |
| 138 | |
| 139 | /// Default Constructor |
| 140 | PlatformRemoteAppleXR::PlatformRemoteAppleXR() : PlatformRemoteDarwinDevice() {} |
| 141 | |
| 142 | std::vector<lldb_private::ArchSpec> |
| 143 | PlatformRemoteAppleXR::GetSupportedArchitectures( |
| 144 | const ArchSpec &process_host_arch) { |
| 145 | std::vector<ArchSpec> result; |
| 146 | result.push_back(x: ArchSpec("arm64-apple-xros" )); |
| 147 | result.push_back(x: ArchSpec("arm64-apple-xros" )); |
| 148 | return result; |
| 149 | } |
| 150 | |
| 151 | llvm::StringRef PlatformRemoteAppleXR::GetDeviceSupportDirectoryName() { |
| 152 | return "XROS DeviceSupport" ; |
| 153 | } |
| 154 | |
| 155 | llvm::StringRef PlatformRemoteAppleXR::GetPlatformName() { |
| 156 | return "XROS.platform" ; |
| 157 | } |
| 158 | |