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
143
144
145
146
147
148
149
150
151
152
153
154
|
//===-- NativeProcessProtocolTest.cpp ---------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Host/common/NativeProcessProtocol.h"
#include "llvm/Testing/Support/Error.h"
#include "gmock/gmock.h"
using namespace lldb_private;
using namespace lldb;
using namespace testing;
namespace {
class MockDelegate : public NativeProcessProtocol::NativeDelegate {
public:
MOCK_METHOD1(InitializeDelegate, void(NativeProcessProtocol *Process));
MOCK_METHOD2(ProcessStateChanged,
void(NativeProcessProtocol *Process, StateType State));
MOCK_METHOD1(DidExec, void(NativeProcessProtocol *Process));
};
class MockProcess : public NativeProcessProtocol {
public:
MockProcess(NativeDelegate &Delegate, const ArchSpec &Arch,
lldb::pid_t Pid = 1)
: NativeProcessProtocol(Pid, -1, Delegate), Arch(Arch) {}
MOCK_METHOD1(Resume, Status(const ResumeActionList &ResumeActions));
MOCK_METHOD0(Halt, Status());
MOCK_METHOD0(Detach, Status());
MOCK_METHOD1(Signal, Status(int Signo));
MOCK_METHOD0(Kill, Status());
MOCK_METHOD3(AllocateMemory,
Status(size_t Size, uint32_t Permissions, addr_t &Addr));
MOCK_METHOD1(DeallocateMemory, Status(addr_t Addr));
MOCK_METHOD0(GetSharedLibraryInfoAddress, addr_t());
MOCK_METHOD0(UpdateThreads, size_t());
MOCK_CONST_METHOD0(GetAuxvData,
llvm::ErrorOr<std::unique_ptr<llvm::MemoryBuffer>>());
MOCK_METHOD2(GetLoadedModuleFileSpec,
Status(const char *ModulePath, FileSpec &Spec));
MOCK_METHOD2(GetFileLoadAddress,
Status(const llvm::StringRef &FileName, addr_t &Addr));
const ArchSpec &GetArchitecture() const override { return Arch; }
Status SetBreakpoint(lldb::addr_t Addr, uint32_t Size,
bool Hardware) override {
if (Hardware)
return SetHardwareBreakpoint(Addr, Size);
else
return SetSoftwareBreakpoint(Addr, Size);
}
// Redirect base class Read/Write Memory methods to functions whose signatures
// are more mock-friendly.
Status ReadMemory(addr_t Addr, void *Buf, size_t Size,
size_t &BytesRead) override;
Status WriteMemory(addr_t Addr, const void *Buf, size_t Size,
size_t &BytesWritten) override;
MOCK_METHOD2(ReadMemory,
llvm::Expected<std::vector<uint8_t>>(addr_t Addr, size_t Size));
MOCK_METHOD2(WriteMemory,
llvm::Expected<size_t>(addr_t Addr,
llvm::ArrayRef<uint8_t> Data));
using NativeProcessProtocol::GetSoftwareBreakpointTrapOpcode;
private:
ArchSpec Arch;
};
} // namespace
Status MockProcess::ReadMemory(addr_t Addr, void *Buf, size_t Size,
size_t &BytesRead) {
auto ExpectedMemory = ReadMemory(Addr, Size);
if (!ExpectedMemory) {
BytesRead = 0;
return Status(ExpectedMemory.takeError());
}
BytesRead = ExpectedMemory->size();
assert(BytesRead <= Size);
std::memcpy(Buf, ExpectedMemory->data(), BytesRead);
return Status();
}
Status MockProcess::WriteMemory(addr_t Addr, const void *Buf, size_t Size,
size_t &BytesWritten) {
auto ExpectedBytes = WriteMemory(
Addr, llvm::makeArrayRef(static_cast<const uint8_t *>(Buf), Size));
if (!ExpectedBytes) {
BytesWritten = 0;
return Status(ExpectedBytes.takeError());
}
BytesWritten = *ExpectedBytes;
return Status();
}
TEST(NativeProcessProtocolTest, SetBreakpoint) {
NiceMock<MockDelegate> DummyDelegate;
MockProcess Process(DummyDelegate, ArchSpec("x86_64-pc-linux"));
auto Trap = cantFail(Process.GetSoftwareBreakpointTrapOpcode(1));
InSequence S;
EXPECT_CALL(Process, ReadMemory(0x47, 1))
.WillOnce(Return(ByMove(std::vector<uint8_t>{0xbb})));
EXPECT_CALL(Process, WriteMemory(0x47, Trap)).WillOnce(Return(ByMove(1)));
EXPECT_CALL(Process, ReadMemory(0x47, 1)).WillOnce(Return(ByMove(Trap)));
EXPECT_THAT_ERROR(Process.SetBreakpoint(0x47, 0, false).ToError(),
llvm::Succeeded());
}
TEST(NativeProcessProtocolTest, SetBreakpointFailRead) {
NiceMock<MockDelegate> DummyDelegate;
MockProcess Process(DummyDelegate, ArchSpec("x86_64-pc-linux"));
EXPECT_CALL(Process, ReadMemory(0x47, 1))
.WillOnce(Return(ByMove(
llvm::createStringError(llvm::inconvertibleErrorCode(), "Foo"))));
EXPECT_THAT_ERROR(Process.SetBreakpoint(0x47, 0, false).ToError(),
llvm::Failed());
}
TEST(NativeProcessProtocolTest, SetBreakpointFailWrite) {
NiceMock<MockDelegate> DummyDelegate;
MockProcess Process(DummyDelegate, ArchSpec("x86_64-pc-linux"));
auto Trap = cantFail(Process.GetSoftwareBreakpointTrapOpcode(1));
InSequence S;
EXPECT_CALL(Process, ReadMemory(0x47, 1))
.WillOnce(Return(ByMove(std::vector<uint8_t>{0xbb})));
EXPECT_CALL(Process, WriteMemory(0x47, Trap))
.WillOnce(Return(ByMove(
llvm::createStringError(llvm::inconvertibleErrorCode(), "Foo"))));
EXPECT_THAT_ERROR(Process.SetBreakpoint(0x47, 0, false).ToError(),
llvm::Failed());
}
TEST(NativeProcessProtocolTest, SetBreakpointFailVerify) {
NiceMock<MockDelegate> DummyDelegate;
MockProcess Process(DummyDelegate, ArchSpec("x86_64-pc-linux"));
auto Trap = cantFail(Process.GetSoftwareBreakpointTrapOpcode(1));
InSequence S;
EXPECT_CALL(Process, ReadMemory(0x47, 1))
.WillOnce(Return(ByMove(std::vector<uint8_t>{0xbb})));
EXPECT_CALL(Process, WriteMemory(0x47, Trap)).WillOnce(Return(ByMove(1)));
EXPECT_CALL(Process, ReadMemory(0x47, 1))
.WillOnce(Return(ByMove(
llvm::createStringError(llvm::inconvertibleErrorCode(), "Foo"))));
EXPECT_THAT_ERROR(Process.SetBreakpoint(0x47, 0, false).ToError(),
llvm::Failed());
}
|
