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_
15 // Other libraries and framework includes
17 #include "lldb/Core/ArchSpec.h"
18 #include "lldb/Target/MemoryRegionInfo.h"
19 #include "lldb/Utility/FileSpec.h"
21 #include "NativeThreadNetBSD.h"
22 #include "lldb/Host/common/NativeProcessProtocol.h"
24 namespace lldb_private {
25 namespace process_netbsd {
26 /// @class NativeProcessNetBSD
27 /// @brief Manages communication with the inferior (debugee) process.
29 /// Upon construction, this class prepares and launches an inferior process for
32 /// Changes in the inferior process state are broadcasted.
33 class NativeProcessNetBSD : public NativeProcessProtocol {
35 class Factory : public NativeProcessProtocol::Factory {
37 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
38 Launch(ProcessLaunchInfo &launch_info, NativeDelegate &native_delegate,
39 MainLoop &mainloop) const override;
41 llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
42 Attach(lldb::pid_t pid, NativeDelegate &native_delegate,
43 MainLoop &mainloop) const override;
46 // ---------------------------------------------------------------------
47 // NativeProcessProtocol Interface
48 // ---------------------------------------------------------------------
49 Status Resume(const ResumeActionList &resume_actions) override;
51 Status Halt() override;
53 Status Detach() override;
55 Status Signal(int signo) override;
57 Status Kill() override;
59 Status GetMemoryRegionInfo(lldb::addr_t load_addr,
60 MemoryRegionInfo &range_info) override;
62 Status ReadMemory(lldb::addr_t addr, void *buf, size_t size,
63 size_t &bytes_read) override;
65 Status ReadMemoryWithoutTrap(lldb::addr_t addr, void *buf, size_t size,
66 size_t &bytes_read) override;
68 Status WriteMemory(lldb::addr_t addr, const void *buf, size_t size,
69 size_t &bytes_written) override;
71 Status AllocateMemory(size_t size, uint32_t permissions,
72 lldb::addr_t &addr) override;
74 Status DeallocateMemory(lldb::addr_t addr) override;
76 lldb::addr_t GetSharedLibraryInfoAddress() override;
78 size_t UpdateThreads() override;
80 bool GetArchitecture(ArchSpec &arch) const override;
82 Status SetBreakpoint(lldb::addr_t addr, uint32_t size,
83 bool hardware) override;
85 Status GetLoadedModuleFileSpec(const char *module_path,
86 FileSpec &file_spec) override;
88 Status GetFileLoadAddress(const llvm::StringRef &file_name,
89 lldb::addr_t &load_addr) override;
91 llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
92 GetAuxvData() const override;
94 // ---------------------------------------------------------------------
95 // Interface used by NativeRegisterContext-derived classes.
96 // ---------------------------------------------------------------------
97 static Status PtraceWrapper(int req, lldb::pid_t pid, void *addr = nullptr,
98 int data = 0, int *result = nullptr);
101 // ---------------------------------------------------------------------
102 // NativeProcessProtocol protected interface
103 // ---------------------------------------------------------------------
106 GetSoftwareBreakpointTrapOpcode(size_t trap_opcode_size_hint,
107 size_t &actual_opcode_size,
108 const uint8_t *&trap_opcode_bytes) override;
111 MainLoop::SignalHandleUP m_sigchld_handle;
113 LazyBool m_supports_mem_region = eLazyBoolCalculate;
114 std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;
116 // ---------------------------------------------------------------------
117 // Private Instance Methods
118 // ---------------------------------------------------------------------
119 NativeProcessNetBSD(::pid_t pid, int terminal_fd, NativeDelegate &delegate,
120 const ArchSpec &arch, MainLoop &mainloop);
122 bool HasThreadNoLock(lldb::tid_t thread_id);
124 NativeThreadNetBSDSP AddThread(lldb::tid_t thread_id);
126 void MonitorCallback(lldb::pid_t pid, int signal);
127 void MonitorExited(lldb::pid_t pid, WaitStatus status);
128 void MonitorSIGSTOP(lldb::pid_t pid);
129 void MonitorSIGTRAP(lldb::pid_t pid);
130 void MonitorSignal(lldb::pid_t pid, int signal);
132 Status GetSoftwareBreakpointPCOffset(uint32_t &actual_opcode_size);
133 Status FixupBreakpointPCAsNeeded(NativeThreadNetBSD &thread);
134 Status PopulateMemoryRegionCache();
135 void SigchldHandler();
138 Status ReinitializeThreads();
141 } // namespace process_netbsd
142 } // namespace lldb_private
144 #endif // #ifndef liblldb_NativeProcessNetBSD_H_