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1//===-- NativeProcessNetBSD.h --------------------------------- -*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef liblldb_NativeProcessNetBSD_H_10#define liblldb_NativeProcessNetBSD_H_11 12#include "Plugins/Process/POSIX/NativeProcessELF.h"13#include "lldb/Target/MemoryRegionInfo.h"14#include "lldb/Utility/ArchSpec.h"15#include "lldb/Utility/FileSpec.h"16 17#include "NativeThreadNetBSD.h"18 19namespace lldb_private {20namespace process_netbsd {21/// \class NativeProcessNetBSD22/// Manages communication with the inferior (debugee) process.23///24/// Upon construction, this class prepares and launches an inferior process25/// for debugging.26///27/// Changes in the inferior process state are broadcasted.28class NativeProcessNetBSD : public NativeProcessELF {29public:30 class Manager : public NativeProcessProtocol::Manager {31 public:32 using NativeProcessProtocol::Manager::Manager;33 34 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>35 Launch(ProcessLaunchInfo &launch_info,36 NativeDelegate &native_delegate) override;37 38 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>39 Attach(lldb::pid_t pid, NativeDelegate &native_delegate) override;40 41 Extension GetSupportedExtensions() const override;42 };43 44 // NativeProcessProtocol Interface45 Status Resume(const ResumeActionList &resume_actions) override;46 47 Status Halt() override;48 49 Status Detach() override;50 51 Status Signal(int signo) override;52 53 Status Interrupt() override;54 55 Status Kill() override;56 57 Status GetMemoryRegionInfo(lldb::addr_t load_addr,58 MemoryRegionInfo &range_info) override;59 60 Status ReadMemory(lldb::addr_t addr, void *buf, size_t size,61 size_t &bytes_read) override;62 63 Status WriteMemory(lldb::addr_t addr, const void *buf, size_t size,64 size_t &bytes_written) override;65 66 lldb::addr_t GetSharedLibraryInfoAddress() override;67 68 size_t UpdateThreads() override;69 70 const ArchSpec &GetArchitecture() const override { return m_arch; }71 72 Status SetBreakpoint(lldb::addr_t addr, uint32_t size,73 bool hardware) override;74 75 // The two following methods are probably not necessary and probably76 // will never be called. Nevertheless, we implement them right now77 // to reduce the differences between different platforms and reduce78 // the risk of the lack of implementation actually breaking something,79 // at least for the time being.80 Status GetLoadedModuleFileSpec(const char *module_path,81 FileSpec &file_spec) override;82 Status GetFileLoadAddress(const llvm::StringRef &file_name,83 lldb::addr_t &load_addr) override;84 85 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>86 GetAuxvData() const override;87 88 // Interface used by NativeRegisterContext-derived classes.89 static Status PtraceWrapper(int req, lldb::pid_t pid, void *addr = nullptr,90 int data = 0, int *result = nullptr);91 static Status StopProcess(lldb::pid_t pid);92 93 llvm::Expected<std::string> SaveCore(llvm::StringRef path_hint) override;94 95private:96 MainLoop::SignalHandleUP m_sigchld_handle;97 ArchSpec m_arch;98 MainLoop& m_main_loop;99 LazyBool m_supports_mem_region = eLazyBoolCalculate;100 std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;101 102 // Private Instance Methods103 NativeProcessNetBSD(::pid_t pid, int terminal_fd, NativeDelegate &delegate,104 const ArchSpec &arch, MainLoop &mainloop);105 106 bool HasThreadNoLock(lldb::tid_t thread_id);107 108 NativeThreadNetBSD &AddThread(lldb::tid_t thread_id);109 void RemoveThread(lldb::tid_t thread_id);110 111 void MonitorCallback(lldb::pid_t pid, int signal);112 void MonitorExited(lldb::pid_t pid, WaitStatus status);113 void MonitorSIGSTOP(lldb::pid_t pid);114 void MonitorSIGTRAP(lldb::pid_t pid);115 void MonitorSignal(lldb::pid_t pid, int signal);116 void MonitorClone(::pid_t child_pid, bool is_vfork,117 NativeThreadNetBSD &parent_thread);118 119 Status PopulateMemoryRegionCache();120 void SigchldHandler();121 122 Status Attach();123 Status SetupTrace();124 Status ReinitializeThreads();125};126 127} // namespace process_netbsd128} // namespace lldb_private129 130#endif // #ifndef liblldb_NativeProcessNetBSD_H_131