yuzu: Use a debugger to generate minidumps
yuzu: Move mini_dump out of core startup_checks: Better exception handlingmaster
lat9nq
parent
3faa1c54b6
commit
f958cbc737
@ -0,0 +1,185 @@
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#include <cstdio>
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#include <ctime>
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#include <filesystem>
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#include <windows.h>
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#include "common/logging/log.h"
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#include "yuzu/mini_dump.h"
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#include "yuzu/startup_checks.h"
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// dbghelp.h must be included after windows.h
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#include <dbghelp.h>
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void CreateMiniDump(HANDLE process_handle, DWORD process_id, MINIDUMP_EXCEPTION_INFORMATION* info,
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EXCEPTION_POINTERS* pep) {
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LOG_INFO(Core, "called");
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char file_name[255];
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const std::time_t the_time = std::time(nullptr);
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std::strftime(file_name, 255, "yuzu-crash-%Y%m%d%H%M%S.dmp", std::localtime(&the_time));
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// Open the file
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HANDLE file_handle = CreateFile(file_name, GENERIC_READ | GENERIC_WRITE, 0, nullptr,
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CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
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if ((file_handle != nullptr) && (file_handle != INVALID_HANDLE_VALUE)) {
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// Create the minidump
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const MINIDUMP_TYPE dump_type = MiniDumpNormal;
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const bool write_dump_status = MiniDumpWriteDump(process_handle, process_id, file_handle,
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dump_type, (pep != 0) ? info : 0, 0, 0);
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if (!write_dump_status) {
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LOG_ERROR(Core, "MiniDumpWriteDump failed. Error: {}", GetLastError());
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} else {
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LOG_INFO(Core, "Minidump created.");
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}
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// Close the file
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CloseHandle(file_handle);
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} else {
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LOG_ERROR(Core, "CreateFile failed. Error: {}", GetLastError());
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}
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}
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bool SpawnDebuggee(const char* arg0, PROCESS_INFORMATION& pi) {
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std::memset(&pi, 0, sizeof(pi));
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if (!SpawnChild(arg0, &pi, 0)) {
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std::fprintf(stderr, "warning: continuing without crash dumps\n");
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return false;
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}
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// Don't debug if we are already being debugged
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if (IsDebuggerPresent()) {
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return false;
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}
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const bool can_debug = DebugActiveProcess(pi.dwProcessId);
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if (!can_debug) {
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std::fprintf(stderr,
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"warning: DebugActiveProcess failed (%d), continuing without crash dumps\n",
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GetLastError());
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return false;
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}
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return true;
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}
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void DebugDebuggee(PROCESS_INFORMATION& pi) {
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DEBUG_EVENT deb_ev;
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while (deb_ev.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT) {
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const bool wait_success = WaitForDebugEvent(&deb_ev, INFINITE);
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if (!wait_success) {
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std::fprintf(stderr, "error: WaitForDebugEvent failed (%d)\n", GetLastError());
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return;
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}
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switch (deb_ev.dwDebugEventCode) {
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case OUTPUT_DEBUG_STRING_EVENT:
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case CREATE_PROCESS_DEBUG_EVENT:
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case CREATE_THREAD_DEBUG_EVENT:
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case EXIT_PROCESS_DEBUG_EVENT:
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case EXIT_THREAD_DEBUG_EVENT:
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case LOAD_DLL_DEBUG_EVENT:
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case RIP_EVENT:
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case UNLOAD_DLL_DEBUG_EVENT:
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ContinueDebugEvent(deb_ev.dwProcessId, deb_ev.dwThreadId, DBG_CONTINUE);
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break;
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case EXCEPTION_DEBUG_EVENT:
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EXCEPTION_RECORD& record = deb_ev.u.Exception.ExceptionRecord;
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std::fprintf(stderr, "ExceptionCode: 0x%08x %s\n", record.ExceptionCode,
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ExceptionName(record.ExceptionCode));
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if (!deb_ev.u.Exception.dwFirstChance) {
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HANDLE thread_handle = OpenThread(THREAD_ALL_ACCESS, false, deb_ev.dwThreadId);
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if (thread_handle == nullptr) {
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std::fprintf(stderr, "OpenThread failed (%d)\n", GetLastError());
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}
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if (SuspendThread(thread_handle) == (DWORD)-1) {
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std::fprintf(stderr, "SuspendThread failed (%d)\n", GetLastError());
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}
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CONTEXT context;
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std::memset(&context, 0, sizeof(context));
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context.ContextFlags = CONTEXT_ALL;
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if (!GetThreadContext(thread_handle, &context)) {
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std::fprintf(stderr, "GetThreadContext failed (%d)\n", GetLastError());
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break;
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}
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EXCEPTION_POINTERS ep;
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ep.ExceptionRecord = &record;
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ep.ContextRecord = &context;
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MINIDUMP_EXCEPTION_INFORMATION info;
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info.ThreadId = deb_ev.dwThreadId;
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info.ExceptionPointers = &ep;
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info.ClientPointers = false;
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CreateMiniDump(pi.hProcess, pi.dwProcessId, &info, &ep);
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std::fprintf(stderr, "previous thread suspend count: %d\n",
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ResumeThread(thread_handle));
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if (CloseHandle(thread_handle) == 0) {
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std::fprintf(stderr, "error: CloseHandle(thread_handle) failed (%d)\n",
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GetLastError());
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}
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}
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ContinueDebugEvent(deb_ev.dwProcessId, deb_ev.dwThreadId, DBG_EXCEPTION_NOT_HANDLED);
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break;
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}
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}
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}
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const char* ExceptionName(DWORD exception) {
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switch (exception) {
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case EXCEPTION_ACCESS_VIOLATION:
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return "EXCEPTION_ACCESS_VIOLATION";
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case EXCEPTION_DATATYPE_MISALIGNMENT:
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return "EXCEPTION_DATATYPE_MISALIGNMENT";
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case EXCEPTION_BREAKPOINT:
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return "EXCEPTION_BREAKPOINT";
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case EXCEPTION_SINGLE_STEP:
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return "EXCEPTION_SINGLE_STEP";
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case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
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return "EXCEPTION_ARRAY_BOUNDS_EXCEEDED";
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case EXCEPTION_FLT_DENORMAL_OPERAND:
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return "EXCEPTION_FLT_DENORMAL_OPERAND";
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case EXCEPTION_FLT_DIVIDE_BY_ZERO:
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return "EXCEPTION_FLT_DIVIDE_BY_ZERO";
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case EXCEPTION_FLT_INEXACT_RESULT:
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return "EXCEPTION_FLT_INEXACT_RESULT";
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case EXCEPTION_FLT_INVALID_OPERATION:
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return "EXCEPTION_FLT_INVALID_OPERATION";
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case EXCEPTION_FLT_OVERFLOW:
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return "EXCEPTION_FLT_OVERFLOW";
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case EXCEPTION_FLT_STACK_CHECK:
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return "EXCEPTION_FLT_STACK_CHECK";
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case EXCEPTION_FLT_UNDERFLOW:
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return "EXCEPTION_FLT_UNDERFLOW";
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case EXCEPTION_INT_DIVIDE_BY_ZERO:
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return "EXCEPTION_INT_DIVIDE_BY_ZERO";
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case EXCEPTION_INT_OVERFLOW:
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return "EXCEPTION_INT_OVERFLOW";
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case EXCEPTION_PRIV_INSTRUCTION:
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return "EXCEPTION_PRIV_INSTRUCTION";
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case EXCEPTION_IN_PAGE_ERROR:
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return "EXCEPTION_IN_PAGE_ERROR";
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case EXCEPTION_ILLEGAL_INSTRUCTION:
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return "EXCEPTION_ILLEGAL_INSTRUCTION";
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case EXCEPTION_NONCONTINUABLE_EXCEPTION:
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return "EXCEPTION_NONCONTINUABLE_EXCEPTION";
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case EXCEPTION_STACK_OVERFLOW:
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return "EXCEPTION_STACK_OVERFLOW";
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case EXCEPTION_INVALID_DISPOSITION:
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return "EXCEPTION_INVALID_DISPOSITION";
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case EXCEPTION_GUARD_PAGE:
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return "EXCEPTION_GUARD_PAGE";
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case EXCEPTION_INVALID_HANDLE:
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return "EXCEPTION_INVALID_HANDLE";
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default:
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return nullptr;
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}
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}
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@ -0,0 +1,12 @@
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#pragma once
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#include <windows.h>
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#include <dbghelp.h>
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void CreateMiniDump(HANDLE process_handle, DWORD process_id, MINIDUMP_EXCEPTION_INFORMATION* info,
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EXCEPTION_POINTERS* pep);
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bool SpawnDebuggee(const char* arg0, PROCESS_INFORMATION& pi);
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void DebugDebuggee(PROCESS_INFORMATION& pi);
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const char* ExceptionName(DWORD exception);
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