| //===-- PlatformDarwin.cpp --------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "PlatformDarwin.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| // Project includes |
| #include "lldb/Breakpoint/BreakpointLocation.h" |
| #include "lldb/Core/Debugger.h" |
| #include "lldb/Core/Error.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Target/Target.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| |
| //------------------------------------------------------------------ |
| /// Default Constructor |
| //------------------------------------------------------------------ |
| PlatformDarwin::PlatformDarwin (bool is_host) : |
| Platform(is_host), // This is the local host platform |
| m_remote_platform_sp () |
| { |
| } |
| |
| //------------------------------------------------------------------ |
| /// Destructor. |
| /// |
| /// The destructor is virtual since this class is designed to be |
| /// inherited from by the plug-in instance. |
| //------------------------------------------------------------------ |
| PlatformDarwin::~PlatformDarwin() |
| { |
| } |
| |
| |
| Error |
| PlatformDarwin::ResolveExecutable (const FileSpec &exe_file, |
| const ArchSpec &exe_arch, |
| lldb::ModuleSP &exe_module_sp) |
| { |
| Error error; |
| // Nothing special to do here, just use the actual file and architecture |
| |
| char exe_path[PATH_MAX]; |
| FileSpec resolved_exe_file (exe_file); |
| |
| if (IsHost()) |
| { |
| // If we have "ls" as the exe_file, resolve the executable loation based on |
| // the current path variables |
| if (!resolved_exe_file.Exists()) |
| { |
| exe_file.GetPath (exe_path, sizeof(exe_path)); |
| resolved_exe_file.SetFile(exe_path, true); |
| } |
| |
| if (!resolved_exe_file.Exists()) |
| resolved_exe_file.ResolveExecutableLocation (); |
| |
| // Resolve any executable within a bundle on MacOSX |
| Host::ResolveExecutableInBundle (resolved_exe_file); |
| |
| if (resolved_exe_file.Exists()) |
| error.Clear(); |
| else |
| { |
| exe_file.GetPath (exe_path, sizeof(exe_path)); |
| error.SetErrorStringWithFormat ("unable to find executable for '%s'", exe_path); |
| } |
| } |
| else |
| { |
| if (m_remote_platform_sp) |
| { |
| error = m_remote_platform_sp->ResolveExecutable (exe_file, |
| exe_arch, |
| exe_module_sp); |
| } |
| else |
| { |
| // We may connect to a process and use the provided executable (Don't use local $PATH). |
| |
| // Resolve any executable within a bundle on MacOSX |
| Host::ResolveExecutableInBundle (resolved_exe_file); |
| |
| if (resolved_exe_file.Exists()) |
| error.Clear(); |
| else |
| error.SetErrorStringWithFormat("the platform is not currently connected, and '%s' doesn't exist in the system root.", resolved_exe_file.GetFilename().AsCString("")); |
| } |
| } |
| |
| |
| if (error.Success()) |
| { |
| if (exe_arch.IsValid()) |
| { |
| error = ModuleList::GetSharedModule (resolved_exe_file, |
| exe_arch, |
| NULL, |
| NULL, |
| 0, |
| exe_module_sp, |
| NULL, |
| NULL); |
| |
| if (exe_module_sp->GetObjectFile() == NULL) |
| { |
| exe_module_sp.reset(); |
| error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain the architecture %s", |
| exe_file.GetDirectory().AsCString(""), |
| exe_file.GetDirectory() ? "/" : "", |
| exe_file.GetFilename().AsCString(""), |
| exe_arch.GetArchitectureName()); |
| } |
| } |
| else |
| { |
| // No valid architecture was specified, ask the platform for |
| // the architectures that we should be using (in the correct order) |
| // and see if we can find a match that way |
| StreamString arch_names; |
| ArchSpec platform_arch; |
| for (uint32_t idx = 0; GetSupportedArchitectureAtIndex (idx, platform_arch); ++idx) |
| { |
| error = ModuleList::GetSharedModule (resolved_exe_file, |
| platform_arch, |
| NULL, |
| NULL, |
| 0, |
| exe_module_sp, |
| NULL, |
| NULL); |
| // Did we find an executable using one of the |
| if (error.Success()) |
| { |
| if (exe_module_sp && exe_module_sp->GetObjectFile()) |
| break; |
| else |
| error.SetErrorToGenericError(); |
| } |
| |
| if (idx > 0) |
| arch_names.PutCString (", "); |
| arch_names.PutCString (platform_arch.GetArchitectureName()); |
| } |
| |
| if (error.Fail() || !exe_module_sp) |
| { |
| error.SetErrorStringWithFormat ("'%s%s%s' doesn't contain any '%s' platform architectures: %s", |
| exe_file.GetDirectory().AsCString(""), |
| exe_file.GetDirectory() ? "/" : "", |
| exe_file.GetFilename().AsCString(""), |
| GetShortPluginName(), |
| arch_names.GetString().c_str()); |
| } |
| } |
| } |
| |
| return error; |
| } |
| |
| |
| size_t |
| PlatformDarwin::GetSoftwareBreakpointTrapOpcode (Target &target, BreakpointSite *bp_site) |
| { |
| const uint8_t *trap_opcode = NULL; |
| uint32_t trap_opcode_size = 0; |
| bool bp_is_thumb = false; |
| |
| llvm::Triple::ArchType machine = target.GetArchitecture().GetMachine(); |
| switch (machine) |
| { |
| case llvm::Triple::x86: |
| case llvm::Triple::x86_64: |
| { |
| static const uint8_t g_i386_breakpoint_opcode[] = { 0xCC }; |
| trap_opcode = g_i386_breakpoint_opcode; |
| trap_opcode_size = sizeof(g_i386_breakpoint_opcode); |
| } |
| break; |
| |
| case llvm::Triple::thumb: |
| bp_is_thumb = true; // Fall through... |
| case llvm::Triple::arm: |
| { |
| static const uint8_t g_arm_breakpoint_opcode[] = { 0xFE, 0xDE, 0xFF, 0xE7 }; |
| static const uint8_t g_thumb_breakpooint_opcode[] = { 0xFE, 0xDE }; |
| |
| // Auto detect arm/thumb if it wasn't explicitly specified |
| if (!bp_is_thumb) |
| { |
| lldb::BreakpointLocationSP bp_loc_sp (bp_site->GetOwnerAtIndex (0)); |
| if (bp_loc_sp) |
| bp_is_thumb = bp_loc_sp->GetAddress().GetAddressClass () == eAddressClassCodeAlternateISA; |
| } |
| if (bp_is_thumb) |
| { |
| trap_opcode = g_thumb_breakpooint_opcode; |
| trap_opcode_size = sizeof(g_thumb_breakpooint_opcode); |
| break; |
| } |
| trap_opcode = g_arm_breakpoint_opcode; |
| trap_opcode_size = sizeof(g_arm_breakpoint_opcode); |
| } |
| break; |
| |
| case llvm::Triple::ppc: |
| case llvm::Triple::ppc64: |
| { |
| static const uint8_t g_ppc_breakpoint_opcode[] = { 0x7F, 0xC0, 0x00, 0x08 }; |
| trap_opcode = g_ppc_breakpoint_opcode; |
| trap_opcode_size = sizeof(g_ppc_breakpoint_opcode); |
| } |
| break; |
| |
| default: |
| assert(!"Unhandled architecture in PlatformDarwin::GetSoftwareBreakpointTrapOpcode()"); |
| break; |
| } |
| |
| if (trap_opcode && trap_opcode_size) |
| { |
| if (bp_site->SetTrapOpcode(trap_opcode, trap_opcode_size)) |
| return trap_opcode_size; |
| } |
| return 0; |
| |
| } |
| |
| bool |
| PlatformDarwin::GetRemoteOSVersion () |
| { |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetOSVersion (m_major_os_version, |
| m_minor_os_version, |
| m_update_os_version); |
| return false; |
| } |
| |
| bool |
| PlatformDarwin::GetRemoteOSBuildString (std::string &s) |
| { |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetRemoteOSBuildString (s); |
| s.clear(); |
| return false; |
| } |
| |
| bool |
| PlatformDarwin::GetRemoteOSKernelDescription (std::string &s) |
| { |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetRemoteOSKernelDescription (s); |
| s.clear(); |
| return false; |
| } |
| |
| // Remote Platform subclasses need to override this function |
| ArchSpec |
| PlatformDarwin::GetRemoteSystemArchitecture () |
| { |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetRemoteSystemArchitecture (); |
| return ArchSpec(); |
| } |
| |
| |
| const char * |
| PlatformDarwin::GetHostname () |
| { |
| if (IsHost()) |
| return Platform::GetHostname(); |
| |
| if (m_remote_platform_sp) |
| return m_remote_platform_sp->GetHostname (); |
| return NULL; |
| } |
| |
| bool |
| PlatformDarwin::IsConnected () const |
| { |
| if (IsHost()) |
| return true; |
| else if (m_remote_platform_sp) |
| return m_remote_platform_sp->IsConnected(); |
| return false; |
| } |
| |
| Error |
| PlatformDarwin::ConnectRemote (Args& args) |
| { |
| Error error; |
| if (IsHost()) |
| { |
| error.SetErrorStringWithFormat ("can't connect to the host platform '%s', always connected", GetShortPluginName()); |
| } |
| else |
| { |
| if (!m_remote_platform_sp) |
| m_remote_platform_sp = Platform::Create ("remote-gdb-server", error); |
| |
| if (m_remote_platform_sp) |
| { |
| if (error.Success()) |
| { |
| if (m_remote_platform_sp) |
| { |
| error = m_remote_platform_sp->ConnectRemote (args); |
| } |
| else |
| { |
| error.SetErrorString ("\"platform connect\" takes a single argument: <connect-url>"); |
| } |
| } |
| } |
| else |
| error.SetErrorString ("failed to create a 'remote-gdb-server' platform"); |
| |
| if (error.Fail()) |
| m_remote_platform_sp.reset(); |
| } |
| |
| return error; |
| } |
| |
| Error |
| PlatformDarwin::DisconnectRemote () |
| { |
| Error error; |
| |
| if (IsHost()) |
| { |
| error.SetErrorStringWithFormat ("can't disconnect from the host platform '%s', always connected", GetShortPluginName()); |
| } |
| else |
| { |
| if (m_remote_platform_sp) |
| error = m_remote_platform_sp->DisconnectRemote (); |
| else |
| error.SetErrorString ("the platform is not currently connected"); |
| } |
| return error; |
| } |
| |
| |
| bool |
| PlatformDarwin::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) |
| { |
| bool sucess = false; |
| if (IsHost()) |
| { |
| sucess = Platform::GetProcessInfo (pid, process_info); |
| } |
| else |
| { |
| if (m_remote_platform_sp) |
| sucess = m_remote_platform_sp->GetProcessInfo (pid, process_info); |
| } |
| return sucess; |
| } |
| |
| |
| |
| uint32_t |
| PlatformDarwin::FindProcesses (const ProcessInstanceInfoMatch &match_info, |
| ProcessInstanceInfoList &process_infos) |
| { |
| uint32_t match_count = 0; |
| if (IsHost()) |
| { |
| // Let the base class figure out the host details |
| match_count = Platform::FindProcesses (match_info, process_infos); |
| } |
| else |
| { |
| // If we are remote, we can only return results if we are connected |
| if (m_remote_platform_sp) |
| match_count = m_remote_platform_sp->FindProcesses (match_info, process_infos); |
| } |
| return match_count; |
| } |
| |
| Error |
| PlatformDarwin::LaunchProcess (ProcessLaunchInfo &launch_info) |
| { |
| Error error; |
| |
| if (IsHost()) |
| { |
| if (launch_info.GetFlags().Test (eLaunchFlagLaunchInShell)) |
| { |
| const bool is_localhost = true; |
| if (!launch_info.ConvertArgumentsForLaunchingInShell (error, is_localhost)) |
| return error; |
| } |
| error = Platform::LaunchProcess (launch_info); |
| } |
| else |
| { |
| if (m_remote_platform_sp) |
| error = m_remote_platform_sp->LaunchProcess (launch_info); |
| else |
| error.SetErrorString ("the platform is not currently connected"); |
| } |
| return error; |
| } |
| |
| lldb::ProcessSP |
| PlatformDarwin::Attach (ProcessAttachInfo &attach_info, |
| Debugger &debugger, |
| Target *target, |
| Listener &listener, |
| Error &error) |
| { |
| lldb::ProcessSP process_sp; |
| |
| if (IsHost()) |
| { |
| if (target == NULL) |
| { |
| TargetSP new_target_sp; |
| FileSpec emptyFileSpec; |
| |
| error = debugger.GetTargetList().CreateTarget (debugger, |
| emptyFileSpec, |
| NULL, |
| false, |
| NULL, |
| new_target_sp); |
| target = new_target_sp.get(); |
| } |
| else |
| error.Clear(); |
| |
| if (target && error.Success()) |
| { |
| debugger.GetTargetList().SetSelectedTarget(target); |
| |
| process_sp = target->CreateProcess (listener, attach_info.GetProcessPluginName()); |
| |
| if (process_sp) |
| error = process_sp->Attach (attach_info); |
| } |
| } |
| else |
| { |
| if (m_remote_platform_sp) |
| process_sp = m_remote_platform_sp->Attach (attach_info, debugger, target, listener, error); |
| else |
| error.SetErrorString ("the platform is not currently connected"); |
| } |
| return process_sp; |
| } |
| |
| const char * |
| PlatformDarwin::GetUserName (uint32_t uid) |
| { |
| // Check the cache in Platform in case we have already looked this uid up |
| const char *user_name = Platform::GetUserName(uid); |
| if (user_name) |
| return user_name; |
| |
| if (IsRemote() && m_remote_platform_sp) |
| return m_remote_platform_sp->GetUserName(uid); |
| return NULL; |
| } |
| |
| const char * |
| PlatformDarwin::GetGroupName (uint32_t gid) |
| { |
| const char *group_name = Platform::GetGroupName(gid); |
| if (group_name) |
| return group_name; |
| |
| if (IsRemote() && m_remote_platform_sp) |
| return m_remote_platform_sp->GetGroupName(gid); |
| return NULL; |
| } |
| |
| bool |
| PlatformDarwin::ModuleIsExcludedForNonModuleSpecificSearches (lldb_private::Target &target, const lldb::ModuleSP &module_sp) |
| { |
| ObjectFile *obj_file = module_sp->GetObjectFile(); |
| if (!obj_file) |
| return false; |
| |
| ObjectFile::Type obj_type = obj_file->GetType(); |
| if (obj_type == ObjectFile::eTypeDynamicLinker) |
| return true; |
| else |
| return false; |
| } |
| |
| |
| // The architecture selection rules for arm processors |
| // These cpu subtypes have distinct names (e.g. armv7f) but armv7 binaries run fine on an armv7f processor. |
| |
| bool |
| PlatformDarwin::ARMGetSupportedArchitectureAtIndex (uint32_t idx, ArchSpec &arch) |
| { |
| ArchSpec system_arch (GetSystemArchitecture()); |
| const ArchSpec::Core system_core = system_arch.GetCore(); |
| switch (system_core) |
| { |
| default: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv7-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv7f-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv7k-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("armv7s-apple-darwin", NULL); return true; |
| case 4: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 5: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 6: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 7: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv7f: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv7f-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv7-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 4: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 5: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv7k: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv7k-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv7-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 4: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 5: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv7s: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv7s-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv7-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 4: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 5: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv7: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv7-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 4: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv6: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv6-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 3: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv5: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv5-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 2: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| |
| case ArchSpec::eCore_arm_armv4: |
| switch (idx) |
| { |
| case 0: arch.SetTriple ("armv4-apple-darwin", NULL); return true; |
| case 1: arch.SetTriple ("arm-apple-darwin", NULL); return true; |
| default: break; |
| } |
| break; |
| } |
| arch.Clear(); |
| return false; |
| } |