1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
//===-- 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_
// C++ Includes
// Other libraries and framework includes
#include "lldb/Core/ArchSpec.h"
#include "lldb/Target/MemoryRegionInfo.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 {
friend Status NativeProcessProtocol::Launch(
ProcessLaunchInfo &launch_info, NativeDelegate &native_delegate,
MainLoop &mainloop, NativeProcessProtocolSP &process_sp);
friend Status NativeProcessProtocol::Attach(
lldb::pid_t pid, NativeProcessProtocol::NativeDelegate &native_delegate,
MainLoop &mainloop, NativeProcessProtocolSP &process_sp);
public:
// ---------------------------------------------------------------------
// 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;
bool GetArchitecture(ArchSpec &arch) const override;
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;
std::vector<std::pair<MemoryRegionInfo, FileSpec>> m_mem_region_cache;
// ---------------------------------------------------------------------
// Private Instance Methods
// ---------------------------------------------------------------------
NativeProcessNetBSD();
NativeThreadNetBSDSP AddThread(lldb::tid_t thread_id);
Status LaunchInferior(MainLoop &mainloop, ProcessLaunchInfo &launch_info);
void AttachToInferior(MainLoop &mainloop, lldb::pid_t pid, Status &error);
void MonitorCallback(lldb::pid_t pid, int signal);
void MonitorExited(lldb::pid_t pid, int signal, int 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();
::pid_t Attach(lldb::pid_t pid, Status &error);
Status ReinitializeThreads();
};
} // namespace process_netbsd
} // namespace lldb_private
#endif // #ifndef liblldb_NativeProcessNetBSD_H_
|
