src/crash_handler.h - master - klischa/AstraScanner2

src/crash_handler.h
84 строки3 KB
k k
fix: purecallHandler uses RaiseException instead of abort()
14 июл 2026, 23:16
14 июл 2026, 23:16e1a688e
#pragma once
#ifndef CRASH_HANDLER_H
#define CRASH_HANDLER_H

#include <windows.h>
#include <dbghelp.h>
#include <QString>
#include <QDateTime>
#include <QDir>
#include <QDebug>
#include <cstdio>

#pragma comment(lib, "dbghelp.lib")

static char s_crashHandlerStack[64 * 1024];

inline LONG WINAPI crashHandler(PEXCEPTION_POINTERS info)
{
    QDir().mkpath("crash_dumps");
    QString filename = QString("crash_dumps/crash_%1_%2.dmp")
        .arg(QDateTime::currentDateTime().toString("yyyyMMdd_HHmmss"))
        .arg(GetCurrentProcessId());

    HANDLE hFile = CreateFileW(
        reinterpret_cast<LPCWSTR>(filename.utf16()),
        GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
        FILE_ATTRIBUTE_NORMAL, NULL);

    if (hFile != INVALID_HANDLE_VALUE) {
        MINIDUMP_EXCEPTION_INFORMATION mei = {};
        mei.ThreadId = GetCurrentThreadId();
        mei.ExceptionPointers = info;
        mei.ClientPointers = FALSE;
        MiniDumpWriteDump(
            GetCurrentProcess(), GetCurrentProcessId(),
            hFile, MiniDumpWithFullMemory,
            &mei, NULL, NULL);
        CloseHandle(hFile);
        fprintf(stderr, "\n=== CRASH DUMP SAVED: %s ===\n",
                filename.toLocal8Bit().constData());
        fflush(stderr);
    }

    if (info && info->ExceptionRecord) {
        fprintf(stderr, "Exception code: 0x%08X at %p\n",
            info->ExceptionRecord->ExceptionCode,
            info->ExceptionRecord->ExceptionAddress);
        fflush(stderr);
    }
    return EXCEPTION_EXECUTE_HANDLER;
}

inline void __cdecl purecallHandler()
{
    fprintf(stderr, "\n=== PURE VIRTUAL CALL DETECTED ===\n");
    fflush(stderr);
    // Raise SEH exception so crashHandler creates minidump
    // 0xE0434352 = CLR exception code, non-continuable
    RaiseException(0xE0434352, EXCEPTION_NONCONTINUABLE, 0, NULL);
}

inline LONG WINAPI vectoredHandler(EXCEPTION_POINTERS* info)
{
    if (info && info->ExceptionRecord) {
        DWORD code = info->ExceptionRecord->ExceptionCode;
        if (code == 0xE06D7363 || code == 0x406D1388 || code == 0x80000003)
            return EXCEPTION_CONTINUE_SEARCH;
        fprintf(stderr, "[VECTORED] 0x%08X at %p\n",
                code, info->ExceptionRecord->ExceptionAddress);
        fflush(stderr);
    }
    return EXCEPTION_CONTINUE_SEARCH;
}

inline void installCrashHandler()
{
    ULONG stackSize = sizeof(s_crashHandlerStack);
    SetThreadStackGuarantee(&stackSize);
    _set_purecall_handler(purecallHandler);
    AddVectoredExceptionHandler(1, vectoredHandler);
    SetUnhandledExceptionFilter(crashHandler);
}

#endif