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| 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(PlatformRemoteAppleXR::GetPluginNameStatic(), |
| 36 | + PlatformRemoteAppleXR::GetDescriptionStatic(), |
| 37 | + 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(PlatformRemoteAppleXR::CreateInstance); |
| 45 | + } |
| 46 | + } |
| 47 | + |
| 48 | + PlatformDarwin::Terminate(); |
| 49 | +} |
| 50 | + |
| 51 | +PlatformSP PlatformRemoteAppleXR::CreateInstance(bool force, |
| 52 | + const ArchSpec *arch) { |
| 53 | + Log *log = GetLog(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(ArchSpec("arm64-apple-xros")); |
| 147 | + result.push_back(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 | +} |
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