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VectoredExceptionHandler init.

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* Only gets compiled in for release builds.
* Attaches on gamesdk init, so should catch everything on dll setup also.
* Fake PDB parsing still needs to be done.
This commit is contained in:
Marvin D 2022-12-23 02:56:40 +01:00
parent c4d23ebcc8
commit 37a50c92b8
7 changed files with 209 additions and 0 deletions
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197
r5dev/public/utility/crashhandler.cpp Normal file
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@ -0,0 +1,197 @@
//=============================================================================//
//
// Purpose: Crash handling, it handles crashes!
//
//=============================================================================//
#include "core/stdafx.h"
#include "public/utility/binstream.h"
#ifndef _DEBUG
// Class is just for DLL init and DLL close, so we can actually define it here fine.
class CCrashHandler
{
public:
CCrashHandler();
~CCrashHandler();
private:
void* m_hExceptionHandler;
};
static std::map<DWORD, string> g_ExceptionToString =
{
{ EXCEPTION_ACCESS_VIOLATION, "Access Violation" },
{ EXCEPTION_IN_PAGE_ERROR, "Access Violation" },
{ EXCEPTION_ARRAY_BOUNDS_EXCEEDED, "Array bounds exceeded" },
{ EXCEPTION_ILLEGAL_INSTRUCTION, "Illegal instruction" },
{ EXCEPTION_INVALID_DISPOSITION, "Invalid disposition" },
{ EXCEPTION_NONCONTINUABLE_EXCEPTION, "Non-continuable exception" },
{ EXCEPTION_PRIV_INSTRUCTION, "Priviledged instruction" },
{ EXCEPTION_STACK_OVERFLOW, "Stack overflow" },
{ EXCEPTION_DATATYPE_MISALIGNMENT, "Datatype misalignment" },
{ EXCEPTION_FLT_DENORMAL_OPERAND, "Denormal operand [FLT]" },
{ EXCEPTION_FLT_DIVIDE_BY_ZERO, "Divide by zero [FLT]" },
{ EXCEPTION_FLT_INEXACT_RESULT, "Inexact float result [FLT]" },
{ EXCEPTION_FLT_INVALID_OPERATION, "Invalid operation [FLT]" },
{ EXCEPTION_FLT_OVERFLOW, "Numeric overflow [FLT]" },
{ EXCEPTION_FLT_STACK_CHECK, "Stack check [FLT]" },
{ EXCEPTION_FLT_UNDERFLOW, "Numeric underflow [FLT]" },
{ EXCEPTION_INT_DIVIDE_BY_ZERO, "Divide by zero [INT]" },
{ EXCEPTION_INT_OVERFLOW, "Numeric overfloat [INT]" }
};
// Borrowed from the R2 project
template<> struct fmt::formatter<M128A> : fmt::formatter<string_view>
{
template <typename FormatContext> auto format(const M128A& obj, FormatContext& ctx)
{
int v1 = obj.Low & INT_MAX;
int v2 = obj.Low >> 32;
int v3 = obj.High & INT_MAX;
int v4 = obj.High >> 32;
return fmt::format_to( ctx.out(),
"[ {:G}, {:G}, {:G}, {:G}], [ 0x{:x}, 0x{:x}, 0x{:x}, 0x{:x} ]",
*reinterpret_cast<float*>(&v1),
*reinterpret_cast<float*>(&v2),
*reinterpret_cast<float*>(&v3),
*reinterpret_cast<float*>(&v4),
v1,
v2,
v3,
v4);
}
};
string GetModuleCrashOffsetAndName(uintptr_t address)
{
HMODULE crashedModuleHandle;
if (!GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>((void*)address), &crashedModuleHandle))
return {};
MODULEINFO crashedModuleInfo;
if (!GetModuleInformation(GetCurrentProcess(), crashedModuleHandle, &crashedModuleInfo, sizeof(crashedModuleInfo)))
return {};
char szCrashedModuleFullName[MAX_PATH];
if (!GetModuleFileNameExA(GetCurrentProcess(), crashedModuleHandle, szCrashedModuleFullName, MAX_PATH))
return {};
const char* szCrashedModuleName = strrchr(szCrashedModuleFullName, '\\') + 1;
uintptr_t crashedModuleOffset = (address - reinterpret_cast<uintptr_t>(crashedModuleInfo.lpBaseOfDll));
return fmt::format("{0} + 0x{1:x}", szCrashedModuleName, crashedModuleOffset);
}
string GetExceptionReason(EXCEPTION_POINTERS* exceptionInfo)
{
const string& svException = g_ExceptionToString.at(exceptionInfo->ExceptionRecord->ExceptionCode);
stringstream ss;
ss << "Cause: " << svException << std::endl;
switch (exceptionInfo->ExceptionRecord->ExceptionCode)
{
case EXCEPTION_ACCESS_VIOLATION:
case EXCEPTION_IN_PAGE_ERROR:
{
ULONG_PTR uExceptionInfo0 = exceptionInfo->ExceptionRecord->ExceptionInformation[0];
ULONG_PTR uExceptionInfo1 = exceptionInfo->ExceptionRecord->ExceptionInformation[1];
// I don't remember why this has been done like this, but I trust my old self for once on this.
if (!uExceptionInfo0)
ss << "Attempted to read from: 0x" << std::setw(8) << std::setfill('0') << std::hex << uExceptionInfo1 << std::endl;
else if (uExceptionInfo0 == 1)
ss << "Attempted to write to: 0x" << std::setw(8) << std::setfill('0') << std::hex << uExceptionInfo1 << std::endl;
else if (uExceptionInfo0 == 8)
ss << "Data Execution Prevention (DEP) at: 0x" << std::setw(8) << std::setfill('0') << std::hex << uExceptionInfo1 << std::endl;
else
ss << "Unknown access violation at: 0x" << std::setw(8) << std::setfill('0') << std::hex << uExceptionInfo1 << std::endl;
return ss.str();
}
default:
{
return ss.str();
}
}
}
// TODO: PDB PARSE AND RUNTIME EXCP.
long __stdcall ExceptionFilter(EXCEPTION_POINTERS* exceptionInfo)
{
// Avoid recursive calls.
static bool bLogged = false;
if (bLogged)
return EXCEPTION_CONTINUE_SEARCH;
// If you are debugging you don't need this.
if (IsDebuggerPresent())
return EXCEPTION_EXECUTE_HANDLER;
// Goodluck on you if you somehow hit a guard page.
if (g_ExceptionToString.find(exceptionInfo->ExceptionRecord->ExceptionCode) == g_ExceptionToString.end())
return EXCEPTION_CONTINUE_SEARCH;
CONTEXT* pExceptionContext = exceptionInfo->ContextRecord;
// Setup message.
string svMessage = fmt::format("{0}Module: {1}\r\n", GetExceptionReason(exceptionInfo), GetModuleCrashOffsetAndName(reinterpret_cast<uintptr_t>(exceptionInfo->ExceptionRecord->ExceptionAddress)));
constexpr const char* stdRegs[] = { "RAX", "RCX", "RDX", "RBX", "RSP", "RBP", "RSI", "RDI", "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", "RIP" };
constexpr const char* xmmRegs[] = { "XMM0", "XMM1", "XMM2", "XMM3", "XMM4", "XMM5", "XMM6", "XMM7", "XMM8", "XMM9", "XMM10", "XMM11", "XMM12", "XMM13", "XMM14", "XMM15" };
// Normal registers now.
for (int i = 0; i < SDK_ARRAYSIZE(stdRegs); i++)
{
svMessage += fmt::format("{0}: 0x{1:X}\r\n", stdRegs[i], *(DWORD64*)((std::uintptr_t)pExceptionContext + offsetof(CONTEXT, Rax) + (sizeof(DWORD64) * i)));
}
// FPU Time!
for (int i = 0; i < SDK_ARRAYSIZE(xmmRegs); i++)
{
svMessage += fmt::format("{0}: {1}\r\n", xmmRegs[i], *(M128A*)((std::uintptr_t)pExceptionContext + offsetof(CONTEXT, Xmm0) + (sizeof(M128A) * i)));
}
svMessage += "\r\nStacktrace:\r\n\r\n";
// Now get the callstack..
constexpr int NUM_FRAMES_TO_CAPTURE = 60;
void* pStackTrace[NUM_FRAMES_TO_CAPTURE] = { 0 };
uint16_t nCapturedFrames = RtlCaptureStackBackTrace(0, NUM_FRAMES_TO_CAPTURE, pStackTrace, NULL);
for (uint16_t i = 0; i < nCapturedFrames; i++)
{
svMessage += GetModuleCrashOffsetAndName(reinterpret_cast<uintptr_t>(pStackTrace[i])) + "\n";
}
std::time_t time = std::time(nullptr);
stringstream ss; ss << "platform\\logs\\" << "apex_crash_" << std::put_time(std::localtime(&time), "%Y-%m-%d %H-%M-%S.txt");
// Not using CBaseFileSystem here cause if that would crash we'd have a problem.
CIOStream ioLogFile = CIOStream(ss.str(), CIOStream::Mode_t::WRITE);
ioLogFile.WriteString(svMessage);
ioLogFile.Close();
MessageBoxA(0, svMessage.c_str(), "R5R Crashed :/", MB_ICONERROR | MB_OK);
return EXCEPTION_EXECUTE_HANDLER;
}
CCrashHandler::CCrashHandler()
{
m_hExceptionHandler = AddVectoredExceptionHandler(TRUE, ExceptionFilter);
}
CCrashHandler::~CCrashHandler()
{
RemoveVectoredExceptionHandler(m_hExceptionHandler);
}
// Init on DLL init!
CCrashHandler* g_CrashHandler = new CCrashHandler();
#endif // _DEBUG

1
r5dev/vproj/clientsdk.vcxproj
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@ -103,6 +103,7 @@
<ClCompile Include="..\public\dt_recv.cpp" />
<ClCompile Include="..\public\networkvar.cpp" />
<ClCompile Include="..\public\utility\binstream.cpp" />
<ClCompile Include="..\public\utility\crashhandler.cpp" />
<ClCompile Include="..\public\utility\memaddr.cpp" />
<ClCompile Include="..\public\utility\module.cpp" />
<ClCompile Include="..\public\utility\sigcache.cpp" />

3
r5dev/vproj/clientsdk.vcxproj.filters
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@ -648,6 +648,9 @@
<ClCompile Include="..\public\utility\vtable.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
<ClCompile Include="..\public\utility\crashhandler.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\client\cdll_engine_int.h">

1
r5dev/vproj/dedicated.vcxproj
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@ -563,6 +563,7 @@
<ClCompile Include="..\public\datamap.cpp" />
<ClCompile Include="..\public\networkvar.cpp" />
<ClCompile Include="..\public\utility\binstream.cpp" />
<ClCompile Include="..\public\utility\crashhandler.cpp" />
<ClCompile Include="..\public\utility\memaddr.cpp" />
<ClCompile Include="..\public\utility\module.cpp" />
<ClCompile Include="..\public\utility\sigcache.cpp" />

3
r5dev/vproj/dedicated.vcxproj.filters
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@ -1622,6 +1622,9 @@
<ClCompile Include="..\public\utility\vtable.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
<ClCompile Include="..\public\utility\crashhandler.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<None Include="..\Dedicated.def" />

1
r5dev/vproj/gamesdk.vcxproj
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@ -112,6 +112,7 @@
<ClCompile Include="..\public\dt_recv.cpp" />
<ClCompile Include="..\public\networkvar.cpp" />
<ClCompile Include="..\public\utility\binstream.cpp" />
<ClCompile Include="..\public\utility\crashhandler.cpp" />
<ClCompile Include="..\public\utility\memaddr.cpp" />
<ClCompile Include="..\public\utility\module.cpp" />
<ClCompile Include="..\public\utility\sigcache.cpp" />

3
r5dev/vproj/gamesdk.vcxproj.filters
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@ -690,6 +690,9 @@
<ClCompile Include="..\public\utility\vtable.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
<ClCompile Include="..\public\utility\crashhandler.cpp">
<Filter>sdk\public\utility</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ClInclude Include="..\client\cdll_engine_int.h">