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//===-- NativeProcessNetBSD.h --------------------------------- -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_NativeProcessNetBSD_H_
#define liblldb_NativeProcessNetBSD_H_
#include "lldb/Target/MemoryRegionInfo.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/FileSpec.h"
#include "NativeThreadNetBSD.h"
#include "lldb/Host/common/NativeProcessProtocol.h"
namespace lldb_private {
namespace process_netbsd {
/// @class NativeProcessNetBSD
/// @brief Manages communication with the inferior (debugee) process.
///
/// Upon construction, this class prepares and launches an inferior process for
/// debugging.
///
/// Changes in the inferior process state are broadcasted.
class NativeProcessNetBSD : public NativeProcessProtocol {
public:
class Factory : public NativeProcessProtocol::Factory {
public:
llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
Launch(ProcessLaunchInfo &launch_info, NativeDelegate &native_delegate,
MainLoop &mainloop) const override;
llvm::Expected<std::unique_ptr<NativeProcessProtocol>>
Attach(lldb::pid_t pid, NativeDelegate &native_delegate,
MainLoop &mainloop) const override;
};
// ---------------------------------------------------------------------
// NativeProcessProtocol Interface
// ---------------------------------------------------------------------
Status Resume(const ResumeActionList &resume_actions) override;
Status Halt() override;
Status Detach() override;
Status Signal(int signo) override;
Status Kill() override;
Status GetMemoryRegionInfo(lldb::addr_t load_addr,
MemoryRegionInfo &range_info) override;
Status ReadMemory(lldb::addr_t addr, void *buf, size_t size,
size_t &bytes_read) override;
Status ReadMemoryWithoutTrap(lldb::addr_t addr, void *buf, size_t size,
size_t &bytes_read) override;
Status WriteMemory(lldb::addr_t addr, const void *buf, size_t size,
size_t &bytes_written) override;
Status AllocateMemory(size_t size, uint32_t permissions,
lldb::addr_t &addr) override;
Status DeallocateMemory(lldb::addr_t addr) override;
lldb::addr_t GetSharedLibraryInfoAddress() override;
size_t UpdateThreads() override;
const ArchSpec &GetArchitecture() const override { return m_arch; }
Status SetBreakpoint(lldb::addr_t addr, uint32_t size,
bool hardware) override;
Status GetLoadedModuleFileSpec(const char *module_path,
FileSpec &file_spec) override;
Status GetFileLoadAddress(const llvm::StringRef &file_name,
lldb::addr_t &load_addr) override;
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>
GetAuxvData() const override;
// ---------------------------------------------------------------------
// Interface used by NativeRegisterContext-derived classes.
// ---------------------------------------------------------------------
static Status PtraceWrapper(int req, lldb::pid_t pid, void *addr = nullptr,
int data = 0, int *result = nullptr);
protected:
// ---------------------------------------------------------------------
// NativeProcessProtocol protected interface
// ---------------------------------------------------------------------
Status
GetSoftwareBreakpointTrapOpcode(size_t trap_opcode_size_hint,
size_t &actual_opcode_size,
const uint8_t *&trap_opcode_bytes) override;
private:
MainLoop::SignalHandleUP m_sigchld_handle;
ArchSpec m_arch;
LazyBool m_supports_mem_region = eLazyBoolCalculate;
std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;
// ---------------------------------------------------------------------
// Private Instance Methods
// ---------------------------------------------------------------------
NativeProcessNetBSD(::pid_t pid, int terminal_fd, NativeDelegate &delegate,
const ArchSpec &arch, MainLoop &mainloop);
bool HasThreadNoLock(lldb::tid_t thread_id);
NativeThreadNetBSD &AddThread(lldb::tid_t thread_id);
void MonitorCallback(lldb::pid_t pid, int signal);
void MonitorExited(lldb::pid_t pid, WaitStatus status);
void MonitorSIGSTOP(lldb::pid_t pid);
void MonitorSIGTRAP(lldb::pid_t pid);
void MonitorSignal(lldb::pid_t pid, int signal);
Status GetSoftwareBreakpointPCOffset(uint32_t &actual_opcode_size);
Status FixupBreakpointPCAsNeeded(NativeThreadNetBSD &thread);
Status PopulateMemoryRegionCache();
void SigchldHandler();
Status Attach();
Status ReinitializeThreads();
};
} // namespace process_netbsd
} // namespace lldb_private
#endif // #ifndef liblldb_NativeProcessNetBSD_H_
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