dde487e547
To allow us to select a different platform based on where the process is running, plumb the process host architecture through platform selection. This patch is in preparation for D121444 which needs this functionality to tell apart iOS binaries running on Apple Silicon vs on a remote iOS device. Differential revision: https://reviews.llvm.org/D121484
153 lines
4.3 KiB
C++
153 lines
4.3 KiB
C++
//===-- PlatformRemoteAppleBridge.cpp -------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <string>
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#include <vector>
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#include "PlatformRemoteAppleBridge.h"
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#include "lldb/Breakpoint/BreakpointLocation.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleList.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/ArchSpec.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/Utility/LLDBLog.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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using namespace lldb;
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using namespace lldb_private;
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/// Default Constructor
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PlatformRemoteAppleBridge::PlatformRemoteAppleBridge()
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: PlatformRemoteDarwinDevice () {}
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// Static Variables
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static uint32_t g_initialize_count = 0;
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// Static Functions
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void PlatformRemoteAppleBridge::Initialize() {
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PlatformDarwin::Initialize();
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if (g_initialize_count++ == 0) {
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PluginManager::RegisterPlugin(PlatformRemoteAppleBridge::GetPluginNameStatic(),
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PlatformRemoteAppleBridge::GetDescriptionStatic(),
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PlatformRemoteAppleBridge::CreateInstance);
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}
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}
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void PlatformRemoteAppleBridge::Terminate() {
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if (g_initialize_count > 0) {
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if (--g_initialize_count == 0) {
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PluginManager::UnregisterPlugin(PlatformRemoteAppleBridge::CreateInstance);
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}
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}
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PlatformDarwin::Terminate();
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}
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PlatformSP PlatformRemoteAppleBridge::CreateInstance(bool force,
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const ArchSpec *arch) {
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Log *log = GetLog(LLDBLog::Platform);
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if (log) {
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const char *arch_name;
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if (arch && arch->GetArchitectureName())
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arch_name = arch->GetArchitectureName();
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else
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arch_name = "<null>";
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const char *triple_cstr =
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arch ? arch->GetTriple().getTriple().c_str() : "<null>";
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LLDB_LOGF(log, "PlatformRemoteAppleBridge::%s(force=%s, arch={%s,%s})",
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__FUNCTION__, force ? "true" : "false", arch_name, triple_cstr);
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}
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bool create = force;
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if (!create && arch && arch->IsValid()) {
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switch (arch->GetMachine()) {
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case llvm::Triple::aarch64: {
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const llvm::Triple &triple = arch->GetTriple();
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llvm::Triple::VendorType vendor = triple.getVendor();
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switch (vendor) {
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case llvm::Triple::Apple:
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create = true;
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break;
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#if defined(__APPLE__)
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// Only accept "unknown" for the vendor if the host is Apple and
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// it "unknown" wasn't specified (it was just returned because it
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// was NOT specified)
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case llvm::Triple::UnknownVendor:
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create = !arch->TripleVendorWasSpecified();
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break;
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#endif
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default:
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break;
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}
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if (create) {
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// Suppress warning "switch statement contains 'default' but no 'case' labels".
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4065)
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#endif
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switch (triple.getOS()) {
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// NEED_BRIDGEOS_TRIPLE case llvm::Triple::BridgeOS:
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// break;
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default:
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create = false;
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break;
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}
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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}
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} break;
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default:
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break;
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}
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}
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if (create) {
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LLDB_LOGF(log, "PlatformRemoteAppleBridge::%s() creating platform",
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__FUNCTION__);
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return lldb::PlatformSP(new PlatformRemoteAppleBridge());
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}
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LLDB_LOGF(log,
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"PlatformRemoteAppleBridge::%s() aborting creation of platform",
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__FUNCTION__);
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return lldb::PlatformSP();
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}
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llvm::StringRef PlatformRemoteAppleBridge::GetDescriptionStatic() {
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return "Remote BridgeOS platform plug-in.";
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}
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std::vector<ArchSpec> PlatformRemoteAppleBridge::GetSupportedArchitectures(
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const ArchSpec &process_host_arch) {
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return {ArchSpec("arm64-apple-bridgeos")};
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}
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llvm::StringRef PlatformRemoteAppleBridge::GetDeviceSupportDirectoryName() {
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return "BridgeOS DeviceSupport";
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}
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llvm::StringRef PlatformRemoteAppleBridge::GetPlatformName() {
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return "BridgeOS.platform";
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}
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