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Debug: print call stack of unhandled exceptions

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SChernykh 2023-11-07 10:34:42 +01:00
parent e92ce0a5f3
commit 8699e1887c
3 changed files with 70 additions and 9 deletions
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4
.github/workflows/cppcheck.yml vendored
View file

@ -15,7 +15,7 @@ on:
jobs:
cppcheck-ubuntu:
timeout-minutes: 50
timeout-minutes: 60
runs-on: ubuntu-latest
steps:
@ -60,7 +60,7 @@ jobs:
cppcheck-windows:
timeout-minutes: 50
timeout-minutes: 60
runs-on: windows-latest
steps:

69
src/log.cpp
View file

@ -44,8 +44,64 @@ bool CONSOLE_COLORS = true;
#ifdef _WIN32
static const HANDLE hStdIn = GetStdHandle(STD_INPUT_HANDLE);
static const HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
static const HANDLE hStdErr = GetStdHandle(STD_ERROR_HANDLE);
#endif
#if defined(_MSC_VER) && !defined(NDEBUG)
#include <DbgHelp.h>
#pragma comment(lib, "Dbghelp.lib")
LONG WINAPI UnhandledExceptionFilter(_In_ _EXCEPTION_POINTERS*)
{
constexpr size_t MAX_FRAMES = 32;
void* stack_trace[MAX_FRAMES] = {};
DWORD hash;
CaptureStackBackTrace(1, MAX_FRAMES, stack_trace, &hash);
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)] = {};
PSYMBOL_INFO pSymbol = reinterpret_cast<PSYMBOL_INFO>(buffer);
pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
pSymbol->MaxNameLen = MAX_SYM_NAME;
IMAGEHLP_LINE64 line{};
line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
const HANDLE h = GetCurrentProcess();
fprintf(stderr, "\n\nUnhandled exception at:\n");
fflush(stderr);
for (size_t j = 0; j < MAX_FRAMES; ++j) {
const DWORD64 address = reinterpret_cast<DWORD64>(stack_trace[j]);
DWORD t = 0;
if (SymFromAddr(h, address, nullptr, pSymbol) && SymGetLineFromAddr64(h, address, &t, &line)) {
fprintf(stderr, "%s (%s, line %lu)\n", line.FileName, pSymbol->Name, line.LineNumber);
fflush(stderr);
}
}
fprintf(stderr, "\n\n");
fflush(stderr);
// Normal logging might be broken at this point, but try to log it anyway
LOGERR(0, "Unhandled exception at:");
for (size_t j = 0; j < MAX_FRAMES; ++j) {
const DWORD64 address = reinterpret_cast<DWORD64>(stack_trace[j]);
DWORD t = 0;
if (SymFromAddr(h, address, nullptr, pSymbol) && SymGetLineFromAddr64(h, address, &t, &line)) {
LOGERR(0, line.FileName << " (" << static_cast<const char*>(pSymbol->Name) << ", line " << static_cast<size_t>(line.LineNumber) << ')');
}
}
Sleep(1000);
return EXCEPTION_CONTINUE_SEARCH;
}
#endif // _MSC_VER && !NDEBUG
#endif // _WIN32
class Worker
{
@ -62,6 +118,11 @@ public:
, m_started{ false }
, m_stopped(false)
{
#if defined(_WIN32) && defined(_MSC_VER) && !defined(NDEBUG)
SetUnhandledExceptionFilter(UnhandledExceptionFilter);
SymInitialize(GetCurrentProcess(), NULL, TRUE);
#endif
set_main_thread();
std::setlocale(LC_ALL, "en_001");
@ -140,6 +201,10 @@ public:
#endif
m_logFile.close();
#if defined(_WIN32) && defined(_MSC_VER) && !defined(NDEBUG)
SymCleanup(GetCurrentProcess());
#endif
}
FORCEINLINE void write(const char* buf, uint32_t size)

6
src/memory_leak_debug.cpp
View file

@ -18,7 +18,7 @@
#include "common.h"
// Simple memory leak detector for Windows users, works best in RelWithDebInfo configuration.
#if defined(_WIN32) && defined(DEV_TRACK_MEMORY)
#if defined(_WIN32) && defined(DEV_TRACK_MEMORY) && defined(_MSC_VER) && !defined(NDEBUG)
#include "uv_util.h"
#include <atomic>
@ -270,8 +270,6 @@ void memory_tracking_start()
// Trigger std::ostream initialization to avoid reporting it as leaks
std::cout << "Memory leak detection = " << 1 << std::endl;
SymInitialize(GetCurrentProcess(), NULL, TRUE);
using namespace p2pool;
uv_replace_allocator(malloc_hook, realloc_hook, calloc_hook, free_hook);
@ -307,8 +305,6 @@ bool memory_tracking_stop()
printf("No memory leaks detected\n\n");
}
SymCleanup(h);
return (total_leaks == 0);
}