diff options
Diffstat (limited to 'source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp')
| -rw-r--r-- | source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp | 386 |
1 files changed, 386 insertions, 0 deletions
diff --git a/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp b/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp new file mode 100644 index 0000000000000..7e15facc1b03b --- /dev/null +++ b/source/Plugins/Platform/MacOSX/PlatformMacOSX.cpp @@ -0,0 +1,386 @@ +//===-- 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/Error.h" +#include "lldb/Core/DataBufferHeap.h" +#include "lldb/Core/Log.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/ModuleList.h" +#include "lldb/Core/ModuleSpec.h" +#include "lldb/Core/PluginManager.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Host/FileSpec.h" +#include "lldb/Host/FileSystem.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" + +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))) + { + if (HostInfo::GetLLDBPath(ePathTypeLLDBShlibDir, 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::Error 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 + 3); // Timeout in seconds to wait for shell program to finish + 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().c_str(), false); + if (fspec.Exists()) + return ConstString(sdk_path.GetString().c_str()); + } + + if (!default_xcode_sdk.empty()) + { + fspec.SetFile(default_xcode_sdk.c_str(), false); + if (fspec.Exists()) + return ConstString(default_xcode_sdk.c_str()); + } + } + } + } + return ConstString(); +} + + +Error +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 Error(); +} + +lldb_private::Error +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 Error(); + } + 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.c_str(),false); + if (module_cache_spec.Exists()) + { + local_file = module_cache_spec; + return Error(); + } + // bring in the remote module file + FileSpec module_cache_folder = module_cache_spec.CopyByRemovingLastPathComponent(); + // try to make the local directory first + Error err = + FileSystem::MakeDirectory(module_cache_folder, eFilePermissionsDirectoryDefault); + 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 Error(); + } + else + return Error("unable to obtain valid module file"); + } + } + local_file = platform_file; + return Error(); +} + +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::Error +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) +{ + Error 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; + Error 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; + } + } + } + } + return error; +} + |