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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
#include "pch.h"
#include "crashhandler.h"
#include "dedicated.h"
#include "configurables.h"
#include <minidumpapiset.h>
HANDLE hExceptionFilter;
long __stdcall ExceptionFilter(EXCEPTION_POINTERS* exceptionInfo)
{
static bool logged = false;
if (logged)
return EXCEPTION_CONTINUE_SEARCH;
if (!IsDebuggerPresent())
{
const DWORD exceptionCode = exceptionInfo->ExceptionRecord->ExceptionCode;
if (exceptionCode != EXCEPTION_ACCESS_VIOLATION && exceptionCode != EXCEPTION_ARRAY_BOUNDS_EXCEEDED &&
exceptionCode != EXCEPTION_DATATYPE_MISALIGNMENT && exceptionCode != EXCEPTION_FLT_DENORMAL_OPERAND &&
exceptionCode != EXCEPTION_FLT_DIVIDE_BY_ZERO && exceptionCode != EXCEPTION_FLT_INEXACT_RESULT &&
exceptionCode != EXCEPTION_FLT_INVALID_OPERATION && exceptionCode != EXCEPTION_FLT_OVERFLOW &&
exceptionCode != EXCEPTION_FLT_STACK_CHECK && exceptionCode != EXCEPTION_FLT_UNDERFLOW &&
exceptionCode != EXCEPTION_ILLEGAL_INSTRUCTION && exceptionCode != EXCEPTION_IN_PAGE_ERROR &&
exceptionCode != EXCEPTION_INT_DIVIDE_BY_ZERO && exceptionCode != EXCEPTION_INT_OVERFLOW &&
exceptionCode != EXCEPTION_INVALID_DISPOSITION && exceptionCode != EXCEPTION_NONCONTINUABLE_EXCEPTION &&
exceptionCode != EXCEPTION_PRIV_INSTRUCTION && exceptionCode != EXCEPTION_STACK_OVERFLOW)
return EXCEPTION_CONTINUE_SEARCH;
std::stringstream exceptionCause;
exceptionCause << "Cause: ";
switch (exceptionCode)
{
case EXCEPTION_ACCESS_VIOLATION:
case EXCEPTION_IN_PAGE_ERROR:
{
exceptionCause << "Access Violation" << std::endl;
auto exceptionInfo0 = exceptionInfo->ExceptionRecord->ExceptionInformation[0];
auto exceptionInfo1 = exceptionInfo->ExceptionRecord->ExceptionInformation[1];
if (!exceptionInfo0)
exceptionCause << "Attempted to read from: 0x" << (void*)exceptionInfo1;
else if (exceptionInfo0 == 1)
exceptionCause << "Attempted to write to: 0x" << (void*)exceptionInfo1;
else if (exceptionInfo0 == 8)
exceptionCause << "Data Execution Prevention (DEP) at: 0x" << (void*)std::hex << exceptionInfo1;
else
exceptionCause << "Unknown access violation at: 0x" << (void*)exceptionInfo1;
break;
}
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
exceptionCause << "Array bounds exceeded";
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
exceptionCause << "Datatype misalignment";
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
exceptionCause << "Denormal operand";
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
exceptionCause << "Divide by zero (float)";
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
exceptionCause << "Divide by zero (int)";
break;
case EXCEPTION_FLT_INEXACT_RESULT:
exceptionCause << "Inexact result";
break;
case EXCEPTION_FLT_INVALID_OPERATION:
exceptionCause << "Invalid operation";
break;
case EXCEPTION_FLT_OVERFLOW:
case EXCEPTION_INT_OVERFLOW:
exceptionCause << "Numeric overflow";
break;
case EXCEPTION_FLT_UNDERFLOW:
exceptionCause << "Numeric underflow";
break;
case EXCEPTION_FLT_STACK_CHECK:
exceptionCause << "Stack check";
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
exceptionCause << "Illegal instruction";
break;
case EXCEPTION_INVALID_DISPOSITION:
exceptionCause << "Invalid disposition";
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
exceptionCause << "Noncontinuable exception";
break;
case EXCEPTION_PRIV_INSTRUCTION:
exceptionCause << "Priviledged instruction";
break;
case EXCEPTION_STACK_OVERFLOW:
exceptionCause << "Stack overflow";
break;
default:
exceptionCause << "Unknown";
break;
}
void* exceptionAddress = exceptionInfo->ExceptionRecord->ExceptionAddress;
HMODULE crashedModuleHandle;
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(exceptionAddress), &crashedModuleHandle);
MODULEINFO crashedModuleInfo;
GetModuleInformation(GetCurrentProcess(), crashedModuleHandle, &crashedModuleInfo, sizeof(crashedModuleInfo));
char crashedModuleFullName[MAX_PATH];
GetModuleFileNameExA(GetCurrentProcess(), crashedModuleHandle, crashedModuleFullName, MAX_PATH);
char* crashedModuleName = strrchr(crashedModuleFullName, '\\') + 1;
DWORD64 crashedModuleOffset = ((DWORD64)exceptionAddress) - ((DWORD64)crashedModuleInfo.lpBaseOfDll);
CONTEXT* exceptionContext = exceptionInfo->ContextRecord;
spdlog::error("Northstar has crashed! a minidump has been written and exception info is available below:");
spdlog::error(exceptionCause.str());
spdlog::error("At: {} + {}", crashedModuleName, (void*)crashedModuleOffset);
PVOID framesToCapture[62];
int frames = RtlCaptureStackBackTrace(0, 62, framesToCapture, NULL);
for (int i = 0; i < frames; i++)
{
HMODULE backtraceModuleHandle;
GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(framesToCapture[i]), &backtraceModuleHandle);
char backtraceModuleFullName[MAX_PATH];
GetModuleFileNameExA(GetCurrentProcess(), backtraceModuleHandle, backtraceModuleFullName, MAX_PATH);
char* backtraceModuleName = strrchr(backtraceModuleFullName, '\\') + 1;
void* actualAddress = (void*)framesToCapture[i];
void* relativeAddress = (void*)(uintptr_t(actualAddress) - uintptr_t(backtraceModuleHandle));
spdlog::error(" {} + {} ({})", backtraceModuleName, relativeAddress, actualAddress);
}
spdlog::error("RAX: 0x{0:x}", exceptionContext->Rax);
spdlog::error("RBX: 0x{0:x}", exceptionContext->Rbx);
spdlog::error("RCX: 0x{0:x}", exceptionContext->Rcx);
spdlog::error("RDX: 0x{0:x}", exceptionContext->Rdx);
spdlog::error("RSI: 0x{0:x}", exceptionContext->Rsi);
spdlog::error("RDI: 0x{0:x}", exceptionContext->Rdi);
spdlog::error("RBP: 0x{0:x}", exceptionContext->Rbp);
spdlog::error("RSP: 0x{0:x}", exceptionContext->Rsp);
spdlog::error("R8: 0x{0:x}", exceptionContext->R8);
spdlog::error("R9: 0x{0:x}", exceptionContext->R9);
spdlog::error("R10: 0x{0:x}", exceptionContext->R10);
spdlog::error("R11: 0x{0:x}", exceptionContext->R11);
spdlog::error("R12: 0x{0:x}", exceptionContext->R12);
spdlog::error("R13: 0x{0:x}", exceptionContext->R13);
spdlog::error("R14: 0x{0:x}", exceptionContext->R14);
spdlog::error("R15: 0x{0:x}", exceptionContext->R15);
time_t time = std::time(nullptr);
tm currentTime = *std::localtime(&time);
std::stringstream stream;
stream << std::put_time(¤tTime, (GetNorthstarPrefix() + "/logs/nsdump%Y-%m-%d %H-%M-%S.dmp").c_str());
auto hMinidumpFile = CreateFileA(stream.str().c_str(), GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (hMinidumpFile)
{
MINIDUMP_EXCEPTION_INFORMATION dumpExceptionInfo;
dumpExceptionInfo.ThreadId = GetCurrentThreadId();
dumpExceptionInfo.ExceptionPointers = exceptionInfo;
dumpExceptionInfo.ClientPointers = false;
MiniDumpWriteDump(
GetCurrentProcess(),
GetCurrentProcessId(),
hMinidumpFile,
MINIDUMP_TYPE(MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory),
&dumpExceptionInfo,
nullptr,
nullptr);
CloseHandle(hMinidumpFile);
}
else
spdlog::error("Failed to write minidump file {}!", stream.str());
if (!IsDedicatedServer())
MessageBoxA(
0, "Northstar has crashed! Crash info can be found in R2Northstar/logs", "Northstar has crashed!", MB_ICONERROR | MB_OK);
}
logged = true;
return EXCEPTION_EXECUTE_HANDLER;
}
BOOL WINAPI ConsoleHandlerRoutine(DWORD eventCode)
{
switch (eventCode)
{
case CTRL_CLOSE_EVENT:
// User closed console, shut everything down
spdlog::info("Exiting due to console close...");
RemoveCrashHandler();
exit(EXIT_SUCCESS);
return FALSE;
}
return TRUE;
}
void InitialiseCrashHandler()
{
hExceptionFilter = AddVectoredExceptionHandler(TRUE, ExceptionFilter);
SetConsoleCtrlHandler(ConsoleHandlerRoutine, true);
}
void RemoveCrashHandler()
{
RemoveVectoredExceptionHandler(hExceptionFilter);
}
|
