diff options
Diffstat (limited to 'lldb/include/lldb/Target/Platform.h')
| -rw-r--r-- | lldb/include/lldb/Target/Platform.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/lldb/include/lldb/Target/Platform.h b/lldb/include/lldb/Target/Platform.h index 82442a4b594..3ba58c0ec74 100644 --- a/lldb/include/lldb/Target/Platform.h +++ b/lldb/include/lldb/Target/Platform.h @@ -53,7 +53,6 @@ public: typedef std::shared_ptr<PlatformProperties> PlatformPropertiesSP; typedef llvm::SmallVector<lldb::addr_t, 6> MmapArgList; -//---------------------------------------------------------------------- /// \class Platform Platform.h "lldb/Target/Platform.h" /// A plug-in interface definition class for debug platform that /// includes many platform abilities such as: @@ -65,20 +64,15 @@ typedef llvm::SmallVector<lldb::addr_t, 6> MmapArgList; /// \li execute shell commands /// \li listing and getting info for existing processes /// \li attaching and possibly debugging the platform's kernel -//---------------------------------------------------------------------- class Platform : public PluginInterface { public: - //------------------------------------------------------------------ /// Default Constructor - //------------------------------------------------------------------ Platform(bool is_host_platform); - //------------------------------------------------------------------ /// Destructor. /// /// The destructor is virtual since this class is designed to be inherited /// from by the plug-in instance. - //------------------------------------------------------------------ ~Platform() override; static void Initialize(); @@ -87,7 +81,6 @@ public: static const PlatformPropertiesSP &GetGlobalPlatformProperties(); - //------------------------------------------------------------------ /// Get the native host platform plug-in. /// /// There should only be one of these for each host that LLDB runs upon that @@ -97,7 +90,6 @@ public: /// /// This platform will be used as the default platform when launching or /// attaching to processes unless another platform is specified. - //------------------------------------------------------------------ static lldb::PlatformSP GetHostPlatform(); static lldb::PlatformSP @@ -115,14 +107,11 @@ public: static lldb::PlatformSP Create(const ArchSpec &arch, ArchSpec *platform_arch_ptr, Status &error); - //------------------------------------------------------------------------ /// Augments the triple either with information from platform or the host /// system (if platform is null). - //------------------------------------------------------------------------ static ArchSpec GetAugmentedArchSpec(Platform *platform, llvm::StringRef triple); - //------------------------------------------------------------------ /// Find a platform plugin for a given process. /// /// Scans the installed Platform plug-ins and tries to find an instance that @@ -135,11 +124,9 @@ public: /// \param[in] plugin_name /// An optional name of a specific platform plug-in that /// should be used. If nullptr, pick the best plug-in. - //------------------------------------------------------------------ // static lldb::PlatformSP // FindPlugin (Process *process, ConstString plugin_name); - //------------------------------------------------------------------ /// Set the target's executable based off of the existing architecture /// information in \a target given a path to an executable \a exe_file. /// @@ -155,12 +142,10 @@ public: /// \return /// Returns \b true if this Platform plug-in was able to find /// a suitable executable, \b false otherwise. - //------------------------------------------------------------------ virtual Status ResolveExecutable(const ModuleSpec &module_spec, lldb::ModuleSP &module_sp, const FileSpecList *module_search_paths_ptr); - //------------------------------------------------------------------ /// Find a symbol file given a symbol file module specification. /// /// Each platform might have tricks to find symbol files for an executable @@ -206,18 +191,14 @@ public: /// /// \return /// Returns an error that describes success or failure. - //------------------------------------------------------------------ virtual Status ResolveSymbolFile(Target &target, const ModuleSpec &sym_spec, FileSpec &sym_file); - //------------------------------------------------------------------ /// Resolves the FileSpec to a (possibly) remote path. Remote platforms must /// override this to resolve to a path on the remote side. - //------------------------------------------------------------------ virtual bool ResolveRemotePath(const FileSpec &platform_path, FileSpec &resolved_platform_path); - //------------------------------------------------------------------ /// Get the OS version from a connected platform. /// /// Some platforms might not be connected to a remote platform, but can @@ -225,7 +206,6 @@ public: /// platforms that will run native programs on the current host, but the /// simulator might be simulating a different OS. The \a process parameter /// might be specified to help to determine the OS version. - //------------------------------------------------------------------ virtual llvm::VersionTuple GetOSVersion(Process *process = nullptr); bool SetOSVersion(llvm::VersionTuple os_version); @@ -243,23 +223,19 @@ public: virtual const char *GetDescription() = 0; - //------------------------------------------------------------------ /// Report the current status for this platform. /// /// The returned string usually involves returning the OS version (if /// available), and any SDK directory that might be being used for local /// file caching, and if connected a quick blurb about what this platform is /// connected to. - //------------------------------------------------------------------ virtual void GetStatus(Stream &strm); - //------------------------------------------------------------------ // Subclasses must be able to fetch the current OS version // // Remote classes must be connected for this to succeed. Local subclasses // don't need to override this function as it will just call the // HostInfo::GetOSVersion(). - //------------------------------------------------------------------ virtual bool GetRemoteOSVersion() { return false; } virtual bool GetRemoteOSBuildString(std::string &s) { @@ -281,7 +257,6 @@ public: virtual bool SetRemoteWorkingDirectory(const FileSpec &working_dir); - //------------------------------------------------------------------ /// Retrieve the system include directories on this platform for the /// given language. /// @@ -290,7 +265,6 @@ public: /// /// \param[out] directories /// The include directories for this system. - //------------------------------------------------------------------ virtual std::vector<std::string> GetSystemIncludeDirectories(lldb::LanguageType lang) { return {}; @@ -298,7 +272,6 @@ public: virtual UserIDResolver &GetUserIDResolver() = 0; - //------------------------------------------------------------------ /// Locate a file for a platform. /// /// The default implementation of this function will return the same file @@ -325,16 +298,13 @@ public: /// /// \return /// An error object. - //------------------------------------------------------------------ virtual Status GetFileWithUUID(const FileSpec &platform_file, const UUID *uuid_ptr, FileSpec &local_file); - //---------------------------------------------------------------------- // Locate the scripting resource given a module specification. // // Locating the file should happen only on the local computer or using the // current computers global settings. - //---------------------------------------------------------------------- virtual FileSpecList LocateExecutableScriptingResources(Target *target, Module &module, Stream *feedback_stream); @@ -352,7 +322,6 @@ public: virtual Status DisconnectRemote(); - //------------------------------------------------------------------ /// Get the platform's supported architectures in the order in which they /// should be searched. /// @@ -366,56 +335,43 @@ public: /// \return /// \b true if \a arch was filled in and is valid, \b false /// otherwise. - //------------------------------------------------------------------ virtual bool GetSupportedArchitectureAtIndex(uint32_t idx, ArchSpec &arch) = 0; virtual size_t GetSoftwareBreakpointTrapOpcode(Target &target, BreakpointSite *bp_site); - //------------------------------------------------------------------ /// Launch a new process on a platform, not necessarily for debugging, it /// could be just for running the process. - //------------------------------------------------------------------ virtual Status LaunchProcess(ProcessLaunchInfo &launch_info); - //------------------------------------------------------------------ /// Perform expansion of the command-line for this launch info This can /// potentially involve wildcard expansion /// environment variable replacement, and whatever other /// argument magic the platform defines as part of its typical /// user experience - //------------------------------------------------------------------ virtual Status ShellExpandArguments(ProcessLaunchInfo &launch_info); - //------------------------------------------------------------------ /// Kill process on a platform. - //------------------------------------------------------------------ virtual Status KillProcess(const lldb::pid_t pid); - //------------------------------------------------------------------ /// Lets a platform answer if it is compatible with a given architecture and /// the target triple contained within. - //------------------------------------------------------------------ virtual bool IsCompatibleArchitecture(const ArchSpec &arch, bool exact_arch_match, ArchSpec *compatible_arch_ptr); - //------------------------------------------------------------------ /// Not all platforms will support debugging a process by spawning somehow /// halted for a debugger (specified using the "eLaunchFlagDebug" launch /// flag) and then attaching. If your platform doesn't support this, /// override this function and return false. - //------------------------------------------------------------------ virtual bool CanDebugProcess() { return true; } - //------------------------------------------------------------------ /// Subclasses do not need to implement this function as it uses the /// Platform::LaunchProcess() followed by Platform::Attach (). Remote /// platforms will want to subclass this function in order to be able to /// intercept STDIO and possibly launch a separate process that will debug /// the debuggee. - //------------------------------------------------------------------ virtual lldb::ProcessSP DebugProcess(ProcessLaunchInfo &launch_info, Debugger &debugger, Target *target, // Can be nullptr, if nullptr create a new @@ -428,7 +384,6 @@ public: lldb_private::Target *target, lldb_private::Status &error); - //------------------------------------------------------------------ /// Attach to an existing process using a process ID. /// /// Each platform subclass needs to implement this function and attempt to @@ -445,7 +400,6 @@ public: /// to the default Process subclass for the platform that is /// attached to the process, or an empty shared pointer with an /// appropriate error fill into the \a error object. - //------------------------------------------------------------------ virtual lldb::ProcessSP Attach(ProcessAttachInfo &attach_info, Debugger &debugger, Target *target, // Can be nullptr, if nullptr @@ -453,7 +407,6 @@ public: // use existing one Status &error) = 0; - //------------------------------------------------------------------ /// Attach to an existing process by process name. /// /// This function is not meant to be overridden by Process subclasses. It @@ -468,32 +421,25 @@ public: /// \return /// Returns \a pid if attaching was successful, or /// LLDB_INVALID_PROCESS_ID if attaching fails. - //------------------------------------------------------------------ // virtual lldb::ProcessSP // Attach (const char *process_name, // bool wait_for_launch, // Status &error) = 0; - //------------------------------------------------------------------ // The base class Platform will take care of the host platform. Subclasses // will need to fill in the remote case. - //------------------------------------------------------------------ virtual uint32_t FindProcesses(const ProcessInstanceInfoMatch &match_info, ProcessInstanceInfoList &proc_infos); virtual bool GetProcessInfo(lldb::pid_t pid, ProcessInstanceInfo &proc_info); - //------------------------------------------------------------------ // Set a breakpoint on all functions that can end up creating a thread for // this platform. This is needed when running expressions and also for // process control. - //------------------------------------------------------------------ virtual lldb::BreakpointSP SetThreadCreationBreakpoint(Target &target); - //------------------------------------------------------------------ // Given a target, find the local SDK directory if one exists on the current // host. - //------------------------------------------------------------------ virtual lldb_private::ConstString GetSDKDirectory(lldb_private::Target &target) { return lldb_private::ConstString(); @@ -520,11 +466,9 @@ public: m_os_version_set_while_connected = m_system_arch.IsValid(); } - //--------------------------------------------------------------------------- /// If the triple contains not specify the vendor, os, and environment /// parts, we "augment" these using information from the platform and return /// the resulting ArchSpec object. - //--------------------------------------------------------------------------- ArchSpec GetAugmentedArchSpec(llvm::StringRef triple); // Used for column widths @@ -610,7 +554,6 @@ public: CreateSymlink(const FileSpec &src, // The name of the link is in src const FileSpec &dst); // The symlink points to dst - //---------------------------------------------------------------------- /// Install a file or directory to the remote system. /// /// Install is similar to Platform::PutFile(), but it differs in that if an @@ -633,7 +576,6 @@ public: /// /// \return /// An error object that describes anything that went wrong. - //---------------------------------------------------------------------- virtual Status Install(const FileSpec &src, const FileSpec &dst); virtual Environment GetEnvironment(); @@ -709,7 +651,6 @@ public: lldb::UnixSignalsSP GetUnixSignals(); - //------------------------------------------------------------------ /// Locate a queue name given a thread's qaddr /// /// On a system using libdispatch ("Grand Central Dispatch") style queues, a @@ -729,13 +670,11 @@ public: /// The name of the queue, if there is one. An empty string /// means that this thread is not associated with a dispatch /// queue. - //------------------------------------------------------------------ virtual std::string GetQueueNameForThreadQAddress(Process *process, lldb::addr_t dispatch_qaddr) { return ""; } - //------------------------------------------------------------------ /// Locate a queue ID given a thread's qaddr /// /// On a system using libdispatch ("Grand Central Dispatch") style queues, a @@ -754,13 +693,11 @@ public: /// \return /// The queue_id for this thread, if this thread is associated /// with a dispatch queue. Else LLDB_INVALID_QUEUE_ID is returned. - //------------------------------------------------------------------ virtual lldb::queue_id_t GetQueueIDForThreadQAddress(Process *process, lldb::addr_t dispatch_qaddr) { return LLDB_INVALID_QUEUE_ID; } - //------------------------------------------------------------------ /// Provide a list of trap handler function names for this platform /// /// The unwinder needs to treat trap handlers specially -- the stack frame @@ -780,10 +717,8 @@ public: /// /// \return /// A list of symbol names. The list may be empty. - //------------------------------------------------------------------ virtual const std::vector<ConstString> &GetTrapHandlerSymbolNames(); - //------------------------------------------------------------------ /// Find a support executable that may not live within in the standard /// locations related to LLDB. /// @@ -797,17 +732,13 @@ public: /// \return /// A FileSpec pointing to the executable on disk, or an invalid /// FileSpec if the executable cannot be found. - //------------------------------------------------------------------ virtual FileSpec LocateExecutable(const char *basename) { return FileSpec(); } - //------------------------------------------------------------------ /// Allow the platform to set preferred memory cache line size. If non-zero /// (and the user has not set cache line size explicitly), this value will /// be used as the cache line size for memory reads. - //------------------------------------------------------------------ virtual uint32_t GetDefaultMemoryCacheLineSize() { return 0; } - //------------------------------------------------------------------ /// Load a shared library into this process. /// /// Try and load a shared library into the current process. This call might @@ -839,13 +770,11 @@ public: /// later used to unload the shared library. A value of /// LLDB_INVALID_IMAGE_TOKEN will be returned if the shared /// library can't be opened. - //------------------------------------------------------------------ uint32_t LoadImage(lldb_private::Process *process, const lldb_private::FileSpec &local_file, const lldb_private::FileSpec &remote_file, lldb_private::Status &error); - //------------------------------------------------------------------ /// Load a shared library specified by base name into this process, /// looking by hand along a set of paths. /// @@ -876,7 +805,6 @@ public: /// passed to UnloadImage. A value of /// LLDB_INVALID_IMAGE_TOKEN will be returned if the shared /// library can't be opened. - //------------------------------------------------------------------ uint32_t LoadImageUsingPaths(lldb_private::Process *process, const lldb_private::FileSpec &library_name, const std::vector<std::string> &paths, @@ -892,7 +820,6 @@ public: virtual Status UnloadImage(lldb_private::Process *process, uint32_t image_token); - //------------------------------------------------------------------ /// Connect to all processes waiting for a debugger to attach /// /// If the platform have a list of processes waiting for a debugger to @@ -907,7 +834,6 @@ public: /// /// \return /// The number of processes we are successfully connected to. - //------------------------------------------------------------------ virtual size_t ConnectToWaitingProcesses(lldb_private::Debugger &debugger, lldb_private::Status &error); @@ -947,7 +873,6 @@ protected: bool m_calculated_trap_handlers; const std::unique_ptr<ModuleCache> m_module_cache; - //------------------------------------------------------------------ /// Ask the Platform subclass to fill in the list of trap handler names /// /// For most Unix user process environments, this will be a single function @@ -959,7 +884,6 @@ protected: /// The base class Platform ivar m_trap_handlers should be updated by the /// Platform subclass when this method is called. If there are no /// predefined trap handlers, this method may be a no-op. - //------------------------------------------------------------------ virtual void CalculateTrapHandlerSymbolNames() = 0; Status GetCachedExecutable(ModuleSpec &module_spec, lldb::ModuleSP &module_sp, @@ -1025,14 +949,12 @@ public: return platform_sp; } - //------------------------------------------------------------------ /// Select the active platform. /// /// In order to debug remotely, other platform's can be remotely connected /// to and set as the selected platform for any subsequent debugging. This /// allows connection to remote targets and allows the ability to discover /// process info, launch and attach to remote processes. - //------------------------------------------------------------------ lldb::PlatformSP GetSelectedPlatform() { std::lock_guard<std::recursive_mutex> guard(m_mutex); if (!m_selected_platform_sp && !m_platforms.empty()) |
