diff options
Diffstat (limited to 'src/shared/stackdata.cpp')
| -rw-r--r-- | src/shared/stackdata.cpp | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/shared/stackdata.cpp b/src/shared/stackdata.cpp deleted file mode 100644 index b336593a..00000000 --- a/src/shared/stackdata.cpp +++ /dev/null @@ -1,169 +0,0 @@ -#include "stackdata.h"
-
-#include "util.h"
-#include <DbgHelp.h>
-#include <sstream>
-#include <TlHelp32.h>
-#include <set>
-#include "error_report.h"
-#include <boost/predef.h>
-
-
-using namespace MOShared;
-
-#if defined _MSC_VER
-
-static void initDbgIfNecess()
-{
- HANDLE process = ::GetCurrentProcess();
- static std::set<DWORD> initialized;
- if (initialized.find(::GetCurrentProcessId()) == initialized.end()) {
- static bool firstCall = true;
- if (firstCall) {
- ::SymSetOptions(SYMOPT_UNDNAME | SYMOPT_DEFERRED_LOADS);
- firstCall = false;
- }
- if (!::SymInitialize(process, NULL, TRUE)) {
- printf("failed to initialize symbols: %lu", ::GetLastError());
- }
- initialized.insert(::GetCurrentProcessId());
- }
-}
-
-
-
-StackData::StackData()
- : m_Count(0)
- , m_Function()
- , m_Line(-1)
-{
- initTrace();
-}
-
-StackData::StackData(const char *function, int line)
- : m_Count(0)
- , m_Function(function)
- , m_Line(line)
-{
-
-}
-
-std::string StackData::toString() const {
- initDbgIfNecess();
-
- char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
- PSYMBOL_INFO symbol = (PSYMBOL_INFO)buffer;
- symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
- symbol->MaxNameLen = MAX_SYM_NAME;
-
- std::ostringstream stackStream;
-
- if (m_Function.length() > 0) {
- stackStream << "[" << m_Function << ":" << m_Line << "]\n";
- }
-
- for(unsigned int i = 0; i < m_Count; ++i) {
- DWORD64 displacement = 0;
- if (!::SymFromAddr(::GetCurrentProcess(), (DWORD64)m_Stack[i], &displacement, symbol)) {
- stackStream << m_Count - i - 1 << ": [" << m_Stack[i] << "]\n";
- } else {
- stackStream << m_Count - i - 1 << ": " << symbol->Name << "\n";
- }
- }
- return stackStream.str();
-}
-
-void StackData::load_modules(HANDLE process, DWORD processID) {
- HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, processID);
- if (snap == INVALID_HANDLE_VALUE)
- return;
-
- MODULEENTRY32 entry;
- entry.dwSize = sizeof(entry);
-
- if (Module32First(snap, &entry)) {
- do {
- std::string fileName = ToString(entry.szExePath, false);
- std::string moduleName = ToString(entry.szModule, false);
- SymLoadModule64(process, NULL, fileName.c_str(), moduleName.c_str(), (DWORD64) entry.modBaseAddr, entry.modBaseSize);
- } while (Module32Next(snap, &entry));
- }
- CloseHandle(snap);
-}
-
-#pragma warning( disable : 4748 )
-
-void StackData::initTrace() {
-#ifdef _X86_
- load_modules(::GetCurrentProcess(), ::GetCurrentProcessId());
- CONTEXT context;
- std::memset(&context, 0, sizeof(CONTEXT));
- context.ContextFlags = CONTEXT_CONTROL;
- //Why only for 64 bit?
-#if BOOST_ARCH_X86_64 || defined(__clang__)
- ::RtlCaptureContext(&context);
-#else
- __asm
- {
- Label:
- mov [context.Ebp], ebp;
- mov [context.Esp], esp;
- mov eax, [Label];
- mov [context.Eip], eax;
- }
-#endif
-
- STACKFRAME64 stackFrame;
- ::ZeroMemory(&stackFrame, sizeof(STACKFRAME64));
- stackFrame.AddrPC.Offset = context.Eip;
- stackFrame.AddrPC.Mode = AddrModeFlat;
- stackFrame.AddrFrame.Offset = context.Ebp;
- stackFrame.AddrFrame.Mode = AddrModeFlat;
- stackFrame.AddrStack.Offset = context.Esp;
- stackFrame.AddrStack.Mode = AddrModeFlat;
- m_Count = 0;
- while (m_Count < FRAMES_TO_CAPTURE) {
- if (!StackWalk64(IMAGE_FILE_MACHINE_I386, ::GetCurrentProcess(),
- ::GetCurrentThread(), &stackFrame, &context, NULL,
- &SymFunctionTableAccess64, &SymGetModuleBase64, NULL)) {
- break;
- }
-
- if (stackFrame.AddrPC.Offset == 0) {
- continue;
- break;
- }
-
- m_Stack[m_Count++] = reinterpret_cast<void *>(stackFrame.AddrPC.Offset);
- }
-#endif
-}
-
-
-bool MOShared::operator==(const StackData &LHS, const StackData &RHS) {
- if (LHS.m_Count != RHS.m_Count) {
- return false;
- } else {
- for (int i = 0; i < LHS.m_Count; ++i) {
- if (LHS.m_Stack[i] != RHS.m_Stack[i]) {
- return false;
- }
- }
- }
- return true;
-}
-
-
-bool MOShared::operator<(const StackData &LHS, const StackData &RHS) {
- if (LHS.m_Count != RHS.m_Count) {
- return LHS.m_Count < RHS.m_Count;
- } else {
- for (int i = 0; i < LHS.m_Count; ++i) {
- if (LHS.m_Stack[i] != RHS.m_Stack[i]) {
- return LHS.m_Stack[i] < RHS.m_Stack[i];
- }
- }
- }
- return false;
-}
-#endif
|