1 //===-- NativeProcessNetBSD.h --------------------------------- -*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef liblldb_NativeProcessNetBSD_H_
11 #define liblldb_NativeProcessNetBSD_H_
13 #include "lldb/Target/MemoryRegionInfo.h"
14 #include "lldb/Utility/ArchSpec.h"
15 #include "lldb/Utility/FileSpec.h"
17 #include "NativeThreadNetBSD.h"
18 #include "lldb/Host/common/NativeProcessProtocol.h"
20 namespace lldb_private {
21 namespace process_netbsd {
22 /// @class NativeProcessNetBSD
23 /// Manages communication with the inferior (debugee) process.
25 /// Upon construction, this class prepares and launches an inferior process
28 /// Changes in the inferior process state are broadcasted.
29 class NativeProcessNetBSD : public NativeProcessProtocol {
31 class Factory : public NativeProcessProtocol::Factory {
33 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
34 Launch(ProcessLaunchInfo &launch_info, NativeDelegate &native_delegate,
35 MainLoop &mainloop) const override;
37 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
38 Attach(lldb::pid_t pid, NativeDelegate &native_delegate,
39 MainLoop &mainloop) const override;
42 // ---------------------------------------------------------------------
43 // NativeProcessProtocol Interface
44 // ---------------------------------------------------------------------
45 Status Resume(const ResumeActionList &resume_actions) override;
47 Status Halt() override;
49 Status Detach() override;
51 Status Signal(int signo) override;
53 Status Kill() override;
55 Status GetMemoryRegionInfo(lldb::addr_t load_addr,
56 MemoryRegionInfo &range_info) override;
58 Status ReadMemory(lldb::addr_t addr, void *buf, size_t size,
59 size_t &bytes_read) override;
61 Status WriteMemory(lldb::addr_t addr, const void *buf, size_t size,
62 size_t &bytes_written) override;
64 Status AllocateMemory(size_t size, uint32_t permissions,
65 lldb::addr_t &addr) override;
67 Status DeallocateMemory(lldb::addr_t addr) override;
69 lldb::addr_t GetSharedLibraryInfoAddress() override;
71 size_t UpdateThreads() override;
73 const ArchSpec &GetArchitecture() const override { return m_arch; }
75 Status SetBreakpoint(lldb::addr_t addr, uint32_t size,
76 bool hardware) override;
78 Status GetLoadedModuleFileSpec(const char *module_path,
79 FileSpec &file_spec) override;
81 Status GetFileLoadAddress(const llvm::StringRef &file_name,
82 lldb::addr_t &load_addr) override;
84 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
85 GetAuxvData() const override;
87 // ---------------------------------------------------------------------
88 // Interface used by NativeRegisterContext-derived classes.
89 // ---------------------------------------------------------------------
90 static Status PtraceWrapper(int req, lldb::pid_t pid, void *addr = nullptr,
91 int data = 0, int *result = nullptr);
94 MainLoop::SignalHandleUP m_sigchld_handle;
96 LazyBool m_supports_mem_region = eLazyBoolCalculate;
97 std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;
99 // ---------------------------------------------------------------------
100 // Private Instance Methods
101 // ---------------------------------------------------------------------
102 NativeProcessNetBSD(::pid_t pid, int terminal_fd, NativeDelegate &delegate,
103 const ArchSpec &arch, MainLoop &mainloop);
105 bool HasThreadNoLock(lldb::tid_t thread_id);
107 NativeThreadNetBSD &AddThread(lldb::tid_t thread_id);
109 void MonitorCallback(lldb::pid_t pid, int signal);
110 void MonitorExited(lldb::pid_t pid, WaitStatus status);
111 void MonitorSIGSTOP(lldb::pid_t pid);
112 void MonitorSIGTRAP(lldb::pid_t pid);
113 void MonitorSignal(lldb::pid_t pid, int signal);
115 Status PopulateMemoryRegionCache();
116 void SigchldHandler();
119 Status ReinitializeThreads();
122 } // namespace process_netbsd
123 } // namespace lldb_private
125 #endif // #ifndef liblldb_NativeProcessNetBSD_H_