| //===-- PlatformMacOSX.cpp --------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "PlatformMacOSX.h" |
| #include "lldb/Host/Config.h" |
| |
| // C++ Includes |
| |
| #include <sstream> |
| |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Core/ModuleList.h" |
| #include "lldb/Core/ModuleSpec.h" |
| #include "lldb/Core/PluginManager.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/HostInfo.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| #include "lldb/Utility/DataBufferHeap.h" |
| #include "lldb/Utility/FileSpec.h" |
| #include "lldb/Utility/Log.h" |
| #include "lldb/Utility/Status.h" |
| #include "lldb/Utility/StreamString.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| static uint32_t g_initialize_count = 0; |
| |
| void PlatformMacOSX::Initialize() { |
| PlatformDarwin::Initialize(); |
| |
| if (g_initialize_count++ == 0) { |
| #if defined(__APPLE__) |
| PlatformSP default_platform_sp(new PlatformMacOSX(true)); |
| default_platform_sp->SetSystemArchitecture(HostInfo::GetArchitecture()); |
| Platform::SetHostPlatform(default_platform_sp); |
| #endif |
| PluginManager::RegisterPlugin(PlatformMacOSX::GetPluginNameStatic(false), |
| PlatformMacOSX::GetDescriptionStatic(false), |
| PlatformMacOSX::CreateInstance); |
| } |
| } |
| |
| void PlatformMacOSX::Terminate() { |
| if (g_initialize_count > 0) { |
| if (--g_initialize_count == 0) { |
| PluginManager::UnregisterPlugin(PlatformMacOSX::CreateInstance); |
| } |
| } |
| |
| PlatformDarwin::Terminate(); |
| } |
| |
| PlatformSP PlatformMacOSX::CreateInstance(bool force, const ArchSpec *arch) { |
| Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_PLATFORM)); |
| if (log) { |
| const char *arch_name; |
| if (arch && arch->GetArchitectureName()) |
| arch_name = arch->GetArchitectureName(); |
| else |
| arch_name = "<null>"; |
| |
| const char *triple_cstr = |
| arch ? arch->GetTriple().getTriple().c_str() : "<null>"; |
| |
| log->Printf("PlatformMacOSX::%s(force=%s, arch={%s,%s})", __FUNCTION__, |
| force ? "true" : "false", arch_name, triple_cstr); |
| } |
| |
| // The only time we create an instance is when we are creating a remote |
| // macosx platform |
| const bool is_host = false; |
| |
| bool create = force; |
| if (create == false && arch && arch->IsValid()) { |
| const llvm::Triple &triple = arch->GetTriple(); |
| switch (triple.getVendor()) { |
| case llvm::Triple::Apple: |
| create = true; |
| break; |
| |
| #if defined(__APPLE__) |
| // Only accept "unknown" for vendor if the host is Apple and it "unknown" |
| // wasn't specified (it was just returned because it was NOT specified) |
| case llvm::Triple::UnknownArch: |
| create = !arch->TripleVendorWasSpecified(); |
| break; |
| #endif |
| default: |
| break; |
| } |
| |
| if (create) { |
| switch (triple.getOS()) { |
| case llvm::Triple::Darwin: // Deprecated, but still support Darwin for |
| // historical reasons |
| case llvm::Triple::MacOSX: |
| break; |
| #if defined(__APPLE__) |
| // Only accept "vendor" for vendor if the host is Apple and it "unknown" |
| // wasn't specified (it was just returned because it was NOT specified) |
| case llvm::Triple::UnknownOS: |
| create = !arch->TripleOSWasSpecified(); |
| break; |
| #endif |
| default: |
| create = false; |
| break; |
| } |
| } |
| } |
| if (create) { |
| if (log) |
| log->Printf("PlatformMacOSX::%s() creating platform", __FUNCTION__); |
| return PlatformSP(new PlatformMacOSX(is_host)); |
| } |
| |
| if (log) |
| log->Printf("PlatformMacOSX::%s() aborting creation of platform", |
| __FUNCTION__); |
| |
| return PlatformSP(); |
| } |
| |
| lldb_private::ConstString PlatformMacOSX::GetPluginNameStatic(bool is_host) { |
| if (is_host) { |
| static ConstString g_host_name(Platform::GetHostPlatformName()); |
| return g_host_name; |
| } else { |
| static ConstString g_remote_name("remote-macosx"); |
| return g_remote_name; |
| } |
| } |
| |
| const char *PlatformMacOSX::GetDescriptionStatic(bool is_host) { |
| if (is_host) |
| return "Local Mac OS X user platform plug-in."; |
| else |
| return "Remote Mac OS X user platform plug-in."; |
| } |
| |
| //------------------------------------------------------------------ |
| /// Default Constructor |
| //------------------------------------------------------------------ |
| PlatformMacOSX::PlatformMacOSX(bool is_host) : PlatformDarwin(is_host) {} |
| |
| //------------------------------------------------------------------ |
| /// Destructor. |
| /// |
| /// The destructor is virtual since this class is designed to be |
| /// inherited from by the plug-in instance. |
| //------------------------------------------------------------------ |
| PlatformMacOSX::~PlatformMacOSX() {} |
| |
| ConstString PlatformMacOSX::GetSDKDirectory(lldb_private::Target &target) { |
| ModuleSP exe_module_sp(target.GetExecutableModule()); |
| if (exe_module_sp) { |
| ObjectFile *objfile = exe_module_sp->GetObjectFile(); |
| if (objfile) { |
| std::string xcode_contents_path; |
| std::string default_xcode_sdk; |
| FileSpec fspec; |
| uint32_t versions[2]; |
| if (objfile->GetSDKVersion(versions, sizeof(versions))) { |
| fspec = HostInfo::GetShlibDir(); |
| if (fspec) { |
| std::string path; |
| xcode_contents_path = fspec.GetPath(); |
| size_t pos = xcode_contents_path.find("/Xcode.app/Contents/"); |
| if (pos != std::string::npos) { |
| // LLDB.framework is inside an Xcode app bundle, we can locate the |
| // SDK from here |
| xcode_contents_path.erase(pos + strlen("/Xcode.app/Contents/")); |
| } else { |
| xcode_contents_path.clear(); |
| // Use the selected Xcode |
| int status = 0; |
| int signo = 0; |
| std::string output; |
| const char *command = "xcrun -sdk macosx --show-sdk-path"; |
| lldb_private::Status error = RunShellCommand( |
| command, // shell command to run |
| NULL, // current working directory |
| &status, // Put the exit status of the process in here |
| &signo, // Put the signal that caused the process to exit in |
| // here |
| &output, // Get the output from the command and place it in this |
| // string |
| std::chrono::seconds(3)); |
| if (status == 0 && !output.empty()) { |
| size_t first_non_newline = output.find_last_not_of("\r\n"); |
| if (first_non_newline != std::string::npos) |
| output.erase(first_non_newline + 1); |
| default_xcode_sdk = output; |
| |
| pos = default_xcode_sdk.find("/Xcode.app/Contents/"); |
| if (pos != std::string::npos) |
| xcode_contents_path = default_xcode_sdk.substr( |
| 0, pos + strlen("/Xcode.app/Contents/")); |
| } |
| } |
| } |
| |
| if (!xcode_contents_path.empty()) { |
| StreamString sdk_path; |
| sdk_path.Printf("%sDeveloper/Platforms/MacOSX.platform/Developer/" |
| "SDKs/MacOSX%u.%u.sdk", |
| xcode_contents_path.c_str(), versions[0], |
| versions[1]); |
| fspec.SetFile(sdk_path.GetString(), false, FileSpec::Style::native); |
| if (fspec.Exists()) |
| return ConstString(sdk_path.GetString()); |
| } |
| |
| if (!default_xcode_sdk.empty()) { |
| fspec.SetFile(default_xcode_sdk, false, FileSpec::Style::native); |
| if (fspec.Exists()) |
| return ConstString(default_xcode_sdk); |
| } |
| } |
| } |
| } |
| return ConstString(); |
| } |
| |
| Status PlatformMacOSX::GetSymbolFile(const FileSpec &platform_file, |
| const UUID *uuid_ptr, |
| FileSpec &local_file) { |
| if (IsRemote()) { |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetFileWithUUID(platform_file, uuid_ptr, |
| local_file); |
| } |
| |
| // Default to the local case |
| local_file = platform_file; |
| return Status(); |
| } |
| |
| lldb_private::Status |
| PlatformMacOSX::GetFileWithUUID(const lldb_private::FileSpec &platform_file, |
| const lldb_private::UUID *uuid_ptr, |
| lldb_private::FileSpec &local_file) { |
| if (IsRemote() && m_remote_platform_sp) { |
| std::string local_os_build; |
| #if !defined(__linux__) |
| HostInfo::GetOSBuildString(local_os_build); |
| #endif |
| std::string remote_os_build; |
| m_remote_platform_sp->GetOSBuildString(remote_os_build); |
| if (local_os_build.compare(remote_os_build) == 0) { |
| // same OS version: the local file is good enough |
| local_file = platform_file; |
| return Status(); |
| } else { |
| // try to find the file in the cache |
| std::string cache_path(GetLocalCacheDirectory()); |
| std::string module_path(platform_file.GetPath()); |
| cache_path.append(module_path); |
| FileSpec module_cache_spec(cache_path, false); |
| if (module_cache_spec.Exists()) { |
| local_file = module_cache_spec; |
| return Status(); |
| } |
| // bring in the remote module file |
| FileSpec module_cache_folder = |
| module_cache_spec.CopyByRemovingLastPathComponent(); |
| // try to make the local directory first |
| Status err( |
| llvm::sys::fs::create_directory(module_cache_folder.GetPath())); |
| if (err.Fail()) |
| return err; |
| err = GetFile(platform_file, module_cache_spec); |
| if (err.Fail()) |
| return err; |
| if (module_cache_spec.Exists()) { |
| local_file = module_cache_spec; |
| return Status(); |
| } else |
| return Status("unable to obtain valid module file"); |
| } |
| } |
| local_file = platform_file; |
| return Status(); |
| } |
| |
| bool PlatformMacOSX::GetSupportedArchitectureAtIndex(uint32_t idx, |
| ArchSpec &arch) { |
| #if defined(__arm__) || defined(__arm64__) || defined(__aarch64__) |
| return ARMGetSupportedArchitectureAtIndex(idx, arch); |
| #else |
| return x86GetSupportedArchitectureAtIndex(idx, arch); |
| #endif |
| } |
| |
| lldb_private::Status PlatformMacOSX::GetSharedModule( |
| const lldb_private::ModuleSpec &module_spec, Process *process, |
| lldb::ModuleSP &module_sp, |
| const lldb_private::FileSpecList *module_search_paths_ptr, |
| lldb::ModuleSP *old_module_sp_ptr, bool *did_create_ptr) { |
| Status error = GetSharedModuleWithLocalCache( |
| module_spec, module_sp, module_search_paths_ptr, old_module_sp_ptr, |
| did_create_ptr); |
| |
| if (module_sp) { |
| if (module_spec.GetArchitecture().GetCore() == |
| ArchSpec::eCore_x86_64_x86_64h) { |
| ObjectFile *objfile = module_sp->GetObjectFile(); |
| if (objfile == NULL) { |
| // We didn't find an x86_64h slice, fall back to a x86_64 slice |
| ModuleSpec module_spec_x86_64(module_spec); |
| module_spec_x86_64.GetArchitecture() = ArchSpec("x86_64-apple-macosx"); |
| lldb::ModuleSP x86_64_module_sp; |
| lldb::ModuleSP old_x86_64_module_sp; |
| bool did_create = false; |
| Status x86_64_error = GetSharedModuleWithLocalCache( |
| module_spec_x86_64, x86_64_module_sp, module_search_paths_ptr, |
| &old_x86_64_module_sp, &did_create); |
| if (x86_64_module_sp && x86_64_module_sp->GetObjectFile()) { |
| module_sp = x86_64_module_sp; |
| if (old_module_sp_ptr) |
| *old_module_sp_ptr = old_x86_64_module_sp; |
| if (did_create_ptr) |
| *did_create_ptr = did_create; |
| return x86_64_error; |
| } |
| } |
| } |
| } |
| |
| if (!module_sp) { |
| error = FindBundleBinaryInExecSearchPaths (module_spec, process, module_sp, module_search_paths_ptr, old_module_sp_ptr, did_create_ptr); |
| } |
| return error; |
| } |
