// This file provides the Win32 specific implementation of the Signals class.
//
//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/PathV1.h"
-
-#include "Windows.h"
+#include "llvm/Support/FileSystem.h"
#include <algorithm>
+#include <signal.h>
#include <stdio.h>
-#include <vector>
+
+#include "llvm/Support/Format.h"
+#include "llvm/Support/raw_ostream.h"
+
+// The Windows.h header must be after LLVM and standard headers.
+#include "WindowsSupport.h"
#ifdef __MINGW32__
#include <imagehlp.h>
#ifdef _MSC_VER
#pragma comment(lib, "psapi.lib")
- #pragma comment(lib, "dbghelp.lib")
#elif __MINGW32__
- #if ((HAVE_LIBIMAGEHLP != 1) || (HAVE_LIBPSAPI != 1))
- #error "libimagehlp.a & libpsapi.a should be present"
+ #if (HAVE_LIBPSAPI != 1)
+ #error "libpsapi.a should be present"
#endif
// The version of g++ that comes with MinGW does *not* properly understand
// the ll format specifier for printf. However, MinGW passes the format
DWORD64 Reserved[3];
KDHELP64 KdHelp;
} STACKFRAME64, *LPSTACKFRAME64;
+ #endif // !defined(__MINGW64_VERSION_MAJOR)
+#endif // __MINGW32__
typedef BOOL (__stdcall *PREAD_PROCESS_MEMORY_ROUTINE64)(HANDLE hProcess,
DWORD64 qwBaseAddress, PVOID lpBuffer, DWORD nSize,
PFUNCTION_TABLE_ACCESS_ROUTINE64,
PGET_MODULE_BASE_ROUTINE64,
PTRANSLATE_ADDRESS_ROUTINE64);
-static fpStackWalk64 StackWalk64;
+static fpStackWalk64 fStackWalk64;
typedef DWORD64 (WINAPI *fpSymGetModuleBase64)(HANDLE, DWORD64);
-static fpSymGetModuleBase64 SymGetModuleBase64;
+static fpSymGetModuleBase64 fSymGetModuleBase64;
typedef BOOL (WINAPI *fpSymGetSymFromAddr64)(HANDLE, DWORD64,
PDWORD64, PIMAGEHLP_SYMBOL64);
-static fpSymGetSymFromAddr64 SymGetSymFromAddr64;
+static fpSymGetSymFromAddr64 fSymGetSymFromAddr64;
typedef BOOL (WINAPI *fpSymGetLineFromAddr64)(HANDLE, DWORD64,
PDWORD, PIMAGEHLP_LINE64);
-static fpSymGetLineFromAddr64 SymGetLineFromAddr64;
+static fpSymGetLineFromAddr64 fSymGetLineFromAddr64;
+
+typedef BOOL(WINAPI *fpSymGetModuleInfo64)(HANDLE hProcess, DWORD64 dwAddr,
+ PIMAGEHLP_MODULE64 ModuleInfo);
+static fpSymGetModuleInfo64 fSymGetModuleInfo64;
typedef PVOID (WINAPI *fpSymFunctionTableAccess64)(HANDLE, DWORD64);
-static fpSymFunctionTableAccess64 SymFunctionTableAccess64;
+static fpSymFunctionTableAccess64 fSymFunctionTableAccess64;
+
+typedef DWORD (WINAPI *fpSymSetOptions)(DWORD);
+static fpSymSetOptions fSymSetOptions;
+
+typedef BOOL (WINAPI *fpSymInitialize)(HANDLE, PCSTR, BOOL);
+static fpSymInitialize fSymInitialize;
+
+typedef BOOL (WINAPI *fpEnumerateLoadedModules)(HANDLE,PENUMLOADED_MODULES_CALLBACK64,PVOID);
+static fpEnumerateLoadedModules fEnumerateLoadedModules;
static bool load64BitDebugHelp(void) {
- HMODULE hLib = ::LoadLibrary("Dbghelp.dll");
+ HMODULE hLib = ::LoadLibraryW(L"Dbghelp.dll");
if (hLib) {
- StackWalk64 = (fpStackWalk64)
+ fStackWalk64 = (fpStackWalk64)
::GetProcAddress(hLib, "StackWalk64");
- SymGetModuleBase64 = (fpSymGetModuleBase64)
+ fSymGetModuleBase64 = (fpSymGetModuleBase64)
::GetProcAddress(hLib, "SymGetModuleBase64");
- SymGetSymFromAddr64 = (fpSymGetSymFromAddr64)
+ fSymGetSymFromAddr64 = (fpSymGetSymFromAddr64)
::GetProcAddress(hLib, "SymGetSymFromAddr64");
- SymGetLineFromAddr64 = (fpSymGetLineFromAddr64)
+ fSymGetLineFromAddr64 = (fpSymGetLineFromAddr64)
::GetProcAddress(hLib, "SymGetLineFromAddr64");
- SymFunctionTableAccess64 = (fpSymFunctionTableAccess64)
+ fSymGetModuleInfo64 = (fpSymGetModuleInfo64)
+ ::GetProcAddress(hLib, "SymGetModuleInfo64");
+ fSymFunctionTableAccess64 = (fpSymFunctionTableAccess64)
::GetProcAddress(hLib, "SymFunctionTableAccess64");
+ fSymSetOptions = (fpSymSetOptions)::GetProcAddress(hLib, "SymSetOptions");
+ fSymInitialize = (fpSymInitialize)::GetProcAddress(hLib, "SymInitialize");
+ fEnumerateLoadedModules = (fpEnumerateLoadedModules)
+ ::GetProcAddress(hLib, "EnumerateLoadedModules64");
}
- return StackWalk64 != NULL;
+ return fStackWalk64 && fSymInitialize && fSymSetOptions;
}
- #endif // !defined(__MINGW64_VERSION_MAJOR)
-#endif // __MINGW32__
+
+using namespace llvm;
// Forward declare.
static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep);
static void (*InterruptFunction)() = 0;
static std::vector<std::string> *FilesToRemove = NULL;
-static std::vector<std::pair<void(*)(void*), void*> > *CallBacksToRun = 0;
static bool RegisteredUnhandledExceptionFilter = false;
static bool CleanupExecuted = false;
-static bool ExitOnUnhandledExceptions = false;
static PTOP_LEVEL_EXCEPTION_FILTER OldFilter = NULL;
// Windows creates a new thread to execute the console handler when an event
// (such as CTRL/C) occurs. This causes concurrency issues with the above
// globals which this critical section addresses.
static CRITICAL_SECTION CriticalSection;
+static bool CriticalSectionInitialized = false;
+
+enum {
+#if defined(_M_X64)
+ NativeMachineType = IMAGE_FILE_MACHINE_AMD64
+#else
+ NativeMachineType = IMAGE_FILE_MACHINE_I386
+#endif
+};
+
+static bool printStackTraceWithLLVMSymbolizer(llvm::raw_ostream &OS,
+ HANDLE hProcess, HANDLE hThread,
+ STACKFRAME64 &StackFrameOrig,
+ CONTEXT *ContextOrig) {
+ // StackWalk64 modifies the incoming stack frame and context, so copy them.
+ STACKFRAME64 StackFrame = StackFrameOrig;
+
+ // Copy the register context so that we don't modify it while we unwind. We
+ // could use InitializeContext + CopyContext, but that's only required to get
+ // at AVX registers, which typically aren't needed by StackWalk64. Reduce the
+ // flag set to indicate that there's less data.
+ CONTEXT Context = *ContextOrig;
+ Context.ContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER;
+
+ static void *StackTrace[256];
+ size_t Depth = 0;
+ while (fStackWalk64(NativeMachineType, hProcess, hThread, &StackFrame,
+ &Context, 0, fSymFunctionTableAccess64,
+ fSymGetModuleBase64, 0)) {
+ if (StackFrame.AddrFrame.Offset == 0)
+ break;
+ StackTrace[Depth++] = (void *)(uintptr_t)StackFrame.AddrPC.Offset;
+ if (Depth >= array_lengthof(StackTrace))
+ break;
+ }
+
+ return printSymbolizedStackTrace(&StackTrace[0], Depth, OS);
+}
+
+namespace {
+struct FindModuleData {
+ void **StackTrace;
+ int Depth;
+ const char **Modules;
+ intptr_t *Offsets;
+ StringSaver *StrPool;
+};
+}
+
+static BOOL CALLBACK findModuleCallback(WIN32_ELMCB_PCSTR ModuleName,
+ DWORD64 ModuleBase, ULONG ModuleSize,
+ void *VoidData) {
+ FindModuleData *Data = (FindModuleData*)VoidData;
+ intptr_t Beg = ModuleBase;
+ intptr_t End = Beg + ModuleSize;
+ for (int I = 0; I < Data->Depth; I++) {
+ if (Data->Modules[I])
+ continue;
+ intptr_t Addr = (intptr_t)Data->StackTrace[I];
+ if (Beg <= Addr && Addr < End) {
+ Data->Modules[I] = Data->StrPool->save(ModuleName);
+ Data->Offsets[I] = Addr - Beg;
+ }
+ }
+ return TRUE;
+}
+
+static bool findModulesAndOffsets(void **StackTrace, int Depth,
+ const char **Modules, intptr_t *Offsets,
+ const char *MainExecutableName,
+ StringSaver &StrPool) {
+ if (!fEnumerateLoadedModules)
+ return false;
+ FindModuleData Data;
+ Data.StackTrace = StackTrace;
+ Data.Depth = Depth;
+ Data.Modules = Modules;
+ Data.Offsets = Offsets;
+ Data.StrPool = &StrPool;
+ fEnumerateLoadedModules(GetCurrentProcess(), findModuleCallback, &Data);
+ return true;
+}
+
+static void PrintStackTraceForThread(llvm::raw_ostream &OS, HANDLE hProcess,
+ HANDLE hThread, STACKFRAME64 &StackFrame,
+ CONTEXT *Context) {
+ // Initialize the symbol handler.
+ fSymSetOptions(SYMOPT_DEFERRED_LOADS | SYMOPT_LOAD_LINES);
+ fSymInitialize(hProcess, NULL, TRUE);
+
+ // Try llvm-symbolizer first. llvm-symbolizer knows how to deal with both PDBs
+ // and DWARF, so it should do a good job regardless of what debug info or
+ // linker is in use.
+ if (printStackTraceWithLLVMSymbolizer(OS, hProcess, hThread, StackFrame,
+ Context)) {
+ return;
+ }
+
+ while (true) {
+ if (!fStackWalk64(NativeMachineType, hProcess, hThread, &StackFrame,
+ Context, 0, fSymFunctionTableAccess64,
+ fSymGetModuleBase64, 0)) {
+ break;
+ }
+
+ if (StackFrame.AddrFrame.Offset == 0)
+ break;
+
+ using namespace llvm;
+ // Print the PC in hexadecimal.
+ DWORD64 PC = StackFrame.AddrPC.Offset;
+#if defined(_M_X64)
+ OS << format("0x%016llX", PC);
+#elif defined(_M_IX86)
+ OS << format("0x%08lX", static_cast<DWORD>(PC));
+#endif
+
+// Print the parameters. Assume there are four.
+#if defined(_M_X64)
+ OS << format(" (0x%016llX 0x%016llX 0x%016llX 0x%016llX)",
+ StackFrame.Params[0], StackFrame.Params[1], StackFrame.Params[2],
+ StackFrame.Params[3]);
+#elif defined(_M_IX86)
+ OS << format(" (0x%08lX 0x%08lX 0x%08lX 0x%08lX)",
+ static_cast<DWORD>(StackFrame.Params[0]),
+ static_cast<DWORD>(StackFrame.Params[1]),
+ static_cast<DWORD>(StackFrame.Params[2]),
+ static_cast<DWORD>(StackFrame.Params[3]));
+#endif
+ // Verify the PC belongs to a module in this process.
+ if (!fSymGetModuleBase64(hProcess, PC)) {
+ OS << " <unknown module>\n";
+ continue;
+ }
+
+ // Print the symbol name.
+ char buffer[512];
+ IMAGEHLP_SYMBOL64 *symbol = reinterpret_cast<IMAGEHLP_SYMBOL64 *>(buffer);
+ memset(symbol, 0, sizeof(IMAGEHLP_SYMBOL64));
+ symbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
+ symbol->MaxNameLength = 512 - sizeof(IMAGEHLP_SYMBOL64);
+
+ DWORD64 dwDisp;
+ if (!fSymGetSymFromAddr64(hProcess, PC, &dwDisp, symbol)) {
+ OS << '\n';
+ continue;
+ }
+
+ buffer[511] = 0;
+ if (dwDisp > 0)
+ OS << format(", %s() + 0x%llX bytes(s)", (const char*)symbol->Name,
+ dwDisp);
+ else
+ OS << format(", %s", (const char*)symbol->Name);
+
+ // Print the source file and line number information.
+ IMAGEHLP_LINE64 line = {};
+ DWORD dwLineDisp;
+ line.SizeOfStruct = sizeof(line);
+ if (fSymGetLineFromAddr64(hProcess, PC, &dwLineDisp, &line)) {
+ OS << format(", %s, line %lu", line.FileName, line.LineNumber);
+ if (dwLineDisp > 0)
+ OS << format(" + 0x%lX byte(s)", dwLineDisp);
+ }
+
+ OS << '\n';
+ }
+}
namespace llvm {
/// AvoidMessageBoxHook - Emulates hitting "retry" from an "abort, retry,
/// ignore" CRT debug report dialog. "retry" raises an exception which
/// ultimately triggers our stack dumper.
-static int AvoidMessageBoxHook(int ReportType, char *Message, int *Return) {
+static LLVM_ATTRIBUTE_UNUSED int
+AvoidMessageBoxHook(int ReportType, char *Message, int *Return) {
// Set *Return to the retry code for the return value of _CrtDbgReport:
// http://msdn.microsoft.com/en-us/library/8hyw4sy7(v=vs.71).aspx
// This may also trigger just-in-time debugging via DebugBreak().
return TRUE;
}
-/// CRTReportHook - Function called on a CRT debugging event.
-static int CRTReportHook(int ReportType, char *Message, int *Return) {
- // Don't cause a DebugBreak() on return.
- if (Return)
- *Return = 0;
-
- switch (ReportType) {
- default:
- case _CRT_ASSERT:
- fprintf(stderr, "CRT assert: %s\n", Message);
- // FIXME: Is there a way to just crash? Perhaps throw to the unhandled
- // exception code? Perhaps SetErrorMode() handles this.
- _exit(3);
- break;
- case _CRT_ERROR:
- fprintf(stderr, "CRT error: %s\n", Message);
- // FIXME: Is there a way to just crash? Perhaps throw to the unhandled
- // exception code? Perhaps SetErrorMode() handles this.
- _exit(3);
- break;
- case _CRT_WARN:
- fprintf(stderr, "CRT warn: %s\n", Message);
- break;
+#endif
+
+extern "C" void HandleAbort(int Sig) {
+ if (Sig == SIGABRT) {
+ LLVM_BUILTIN_TRAP;
}
+}
- // Don't call _CrtDbgReport.
- return TRUE;
+static void InitializeThreading() {
+ if (CriticalSectionInitialized)
+ return;
+
+ // Now's the time to create the critical section. This is the first time
+ // through here, and there's only one thread.
+ InitializeCriticalSection(&CriticalSection);
+ CriticalSectionInitialized = true;
}
-#endif
static void RegisterHandler() {
-#if __MINGW32__ && !defined(__MINGW64_VERSION_MAJOR)
- // On MinGW.org, we need to load up the symbols explicitly, because the
- // Win32 framework they include does not have support for the 64-bit
- // versions of the APIs we need. If we cannot load up the APIs (which
- // would be unexpected as they should exist on every version of Windows
- // we support), we will bail out since there would be nothing to report.
+ // If we cannot load up the APIs (which would be unexpected as they should
+ // exist on every version of Windows we support), we will bail out since
+ // there would be nothing to report.
if (!load64BitDebugHelp()) {
assert(false && "These APIs should always be available");
return;
}
-#endif
if (RegisteredUnhandledExceptionFilter) {
EnterCriticalSection(&CriticalSection);
return;
}
- // Now's the time to create the critical section. This is the first time
- // through here, and there's only one thread.
- InitializeCriticalSection(&CriticalSection);
+ InitializeThreading();
// Enter it immediately. Now if someone hits CTRL/C, the console handler
// can't proceed until the globals are updated.
OldFilter = SetUnhandledExceptionFilter(LLVMUnhandledExceptionFilter);
SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
-#ifdef _MSC_VER
- const char *EnableMsgbox = getenv("LLVM_ENABLE_CRT_REPORT");
- if (!EnableMsgbox || strcmp("0", EnableMsgbox) == 0) {
- // Setting a report hook overrides the default behavior of popping an "abort,
- // retry, or ignore" dialog.
- _CrtSetReportHook(AvoidMessageBoxHook);
- }
-#endif
-
- // Environment variable to disable any kind of crash dialog.
- if (getenv("LLVM_DISABLE_CRASH_REPORT")) {
-#ifdef _MSC_VER
- _CrtSetReportHook(CRTReportHook);
-#endif
- SetErrorMode(SEM_FAILCRITICALERRORS |
- SEM_NOGPFAULTERRORBOX |
- SEM_NOOPENFILEERRORBOX);
- ExitOnUnhandledExceptions = true;
- }
-
// IMPORTANT NOTE: Caller must call LeaveCriticalSection(&CriticalSection) or
// else multi-threading problems will ensue.
}
RegisterHandler();
- FilesToRemove->push_back(Filename);
std::vector<std::string>::reverse_iterator I =
std::find(FilesToRemove->rbegin(), FilesToRemove->rend(), Filename);
if (I != FilesToRemove->rend())
LeaveCriticalSection(&CriticalSection);
}
+void sys::DisableSystemDialogsOnCrash() {
+ // Crash to stack trace handler on abort.
+ signal(SIGABRT, HandleAbort);
+
+ // The following functions are not reliably accessible on MinGW.
+#ifdef _MSC_VER
+ // We're already handling writing a "something went wrong" message.
+ _set_abort_behavior(0, _WRITE_ABORT_MSG);
+ // Disable Dr. Watson.
+ _set_abort_behavior(0, _CALL_REPORTFAULT);
+ _CrtSetReportHook(AvoidMessageBoxHook);
+#endif
+
+ // Disable standard error dialog box.
+ SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX |
+ SEM_NOOPENFILEERRORBOX);
+ _set_error_mode(_OUT_TO_STDERR);
+}
+
/// PrintStackTraceOnErrorSignal - When an error signal (such as SIBABRT or
/// SIGSEGV) is delivered to the process, print a stack trace and then exit.
-void sys::PrintStackTraceOnErrorSignal() {
+void sys::PrintStackTraceOnErrorSignal(bool DisableCrashReporting) {
+ DisableSystemDialogsOnCrash();
RegisterHandler();
LeaveCriticalSection(&CriticalSection);
}
+}
-void llvm::sys::PrintStackTrace(FILE *) {
- // FIXME: Implement.
+#if defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
+// Provide a prototype for RtlCaptureContext, mingw32 from mingw.org is
+// missing it but mingw-w64 has it.
+extern "C" VOID WINAPI RtlCaptureContext(PCONTEXT ContextRecord);
+#endif
+
+void llvm::sys::PrintStackTrace(raw_ostream &OS) {
+ STACKFRAME64 StackFrame = {};
+ CONTEXT Context = {};
+ ::RtlCaptureContext(&Context);
+#if defined(_M_X64)
+ StackFrame.AddrPC.Offset = Context.Rip;
+ StackFrame.AddrStack.Offset = Context.Rsp;
+ StackFrame.AddrFrame.Offset = Context.Rbp;
+#else
+ StackFrame.AddrPC.Offset = Context.Eip;
+ StackFrame.AddrStack.Offset = Context.Esp;
+ StackFrame.AddrFrame.Offset = Context.Ebp;
+#endif
+ StackFrame.AddrPC.Mode = AddrModeFlat;
+ StackFrame.AddrStack.Mode = AddrModeFlat;
+ StackFrame.AddrFrame.Mode = AddrModeFlat;
+ PrintStackTraceForThread(OS, GetCurrentProcess(), GetCurrentThread(),
+ StackFrame, &Context);
}
-void sys::SetInterruptFunction(void (*IF)()) {
+void llvm::sys::SetInterruptFunction(void (*IF)()) {
RegisterHandler();
InterruptFunction = IF;
LeaveCriticalSection(&CriticalSection);
/// AddSignalHandler - Add a function to be called when a signal is delivered
/// to the process. The handler can have a cookie passed to it to identify
/// what instance of the handler it is.
-void sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
- if (CallBacksToRun == 0)
- CallBacksToRun = new std::vector<std::pair<void(*)(void*), void*> >();
+void llvm::sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
CallBacksToRun->push_back(std::make_pair(FnPtr, Cookie));
RegisterHandler();
LeaveCriticalSection(&CriticalSection);
}
-}
static void Cleanup() {
+ if (CleanupExecuted)
+ return;
+
EnterCriticalSection(&CriticalSection);
// Prevent other thread from registering new files and directories for
CleanupExecuted = true;
// FIXME: open files cannot be deleted.
-
if (FilesToRemove != NULL)
while (!FilesToRemove->empty()) {
- sys::Path(FilesToRemove->back()).eraseFromDisk();
+ llvm::sys::fs::remove(FilesToRemove->back());
FilesToRemove->pop_back();
}
-
- if (CallBacksToRun)
- for (unsigned i = 0, e = CallBacksToRun->size(); i != e; ++i)
- (*CallBacksToRun)[i].first((*CallBacksToRun)[i].second);
-
+ llvm::sys::RunSignalHandlers();
LeaveCriticalSection(&CriticalSection);
}
void llvm::sys::RunInterruptHandlers() {
+ // The interrupt handler may be called from an interrupt, but it may also be
+ // called manually (such as the case of report_fatal_error with no registered
+ // error handler). We must ensure that the critical section is properly
+ // initialized.
+ InitializeThreading();
Cleanup();
}
Cleanup();
// Initialize the STACKFRAME structure.
- STACKFRAME64 StackFrame;
- memset(&StackFrame, 0, sizeof(StackFrame));
+ STACKFRAME64 StackFrame = {};
- DWORD machineType;
#if defined(_M_X64)
- machineType = IMAGE_FILE_MACHINE_AMD64;
StackFrame.AddrPC.Offset = ep->ContextRecord->Rip;
StackFrame.AddrPC.Mode = AddrModeFlat;
StackFrame.AddrStack.Offset = ep->ContextRecord->Rsp;
StackFrame.AddrFrame.Offset = ep->ContextRecord->Rbp;
StackFrame.AddrFrame.Mode = AddrModeFlat;
#elif defined(_M_IX86)
- machineType = IMAGE_FILE_MACHINE_I386;
StackFrame.AddrPC.Offset = ep->ContextRecord->Eip;
StackFrame.AddrPC.Mode = AddrModeFlat;
StackFrame.AddrStack.Offset = ep->ContextRecord->Esp;
HANDLE hProcess = GetCurrentProcess();
HANDLE hThread = GetCurrentThread();
+ PrintStackTraceForThread(llvm::errs(), hProcess, hThread, StackFrame,
+ ep->ContextRecord);
- // Initialize the symbol handler.
- SymSetOptions(SYMOPT_DEFERRED_LOADS|SYMOPT_LOAD_LINES);
- SymInitialize(hProcess, NULL, TRUE);
-
- while (true) {
- if (!StackWalk64(machineType, hProcess, hThread, &StackFrame,
- ep->ContextRecord, NULL, SymFunctionTableAccess64,
- SymGetModuleBase64, NULL)) {
- break;
- }
-
- if (StackFrame.AddrFrame.Offset == 0)
- break;
-
- // Print the PC in hexadecimal.
- DWORD64 PC = StackFrame.AddrPC.Offset;
-#if defined(_M_X64)
- fprintf(stderr, "0x%016llX", PC);
-#elif defined(_M_IX86)
- fprintf(stderr, "0x%08lX", static_cast<DWORD>(PC));
-#endif
-
- // Print the parameters. Assume there are four.
-#if defined(_M_X64)
- fprintf(stderr, " (0x%016llX 0x%016llX 0x%016llX 0x%016llX)",
- StackFrame.Params[0],
- StackFrame.Params[1],
- StackFrame.Params[2],
- StackFrame.Params[3]);
-#elif defined(_M_IX86)
- fprintf(stderr, " (0x%08lX 0x%08lX 0x%08lX 0x%08lX)",
- static_cast<DWORD>(StackFrame.Params[0]),
- static_cast<DWORD>(StackFrame.Params[1]),
- static_cast<DWORD>(StackFrame.Params[2]),
- static_cast<DWORD>(StackFrame.Params[3]));
-#endif
- // Verify the PC belongs to a module in this process.
- if (!SymGetModuleBase64(hProcess, PC)) {
- fputs(" <unknown module>\n", stderr);
- continue;
- }
-
- // Print the symbol name.
- char buffer[512];
- IMAGEHLP_SYMBOL64 *symbol = reinterpret_cast<IMAGEHLP_SYMBOL64 *>(buffer);
- memset(symbol, 0, sizeof(IMAGEHLP_SYMBOL64));
- symbol->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
- symbol->MaxNameLength = 512 - sizeof(IMAGEHLP_SYMBOL64);
-
- DWORD64 dwDisp;
- if (!SymGetSymFromAddr64(hProcess, PC, &dwDisp, symbol)) {
- fputc('\n', stderr);
- continue;
- }
-
- buffer[511] = 0;
- if (dwDisp > 0)
- fprintf(stderr, ", %s() + 0x%llX bytes(s)", symbol->Name, dwDisp);
- else
- fprintf(stderr, ", %s", symbol->Name);
-
- // Print the source file and line number information.
- IMAGEHLP_LINE64 line;
- DWORD dwLineDisp;
- memset(&line, 0, sizeof(line));
- line.SizeOfStruct = sizeof(line);
- if (SymGetLineFromAddr64(hProcess, PC, &dwLineDisp, &line)) {
- fprintf(stderr, ", %s, line %lu", line.FileName, line.LineNumber);
- if (dwLineDisp > 0)
- fprintf(stderr, " + 0x%lX byte(s)", dwLineDisp);
- }
-
- fputc('\n', stderr);
- }
-
- if (ExitOnUnhandledExceptions)
- _exit(ep->ExceptionRecord->ExceptionCode);
-
- // Allow dialog box to pop up allowing choice to start debugger.
- if (OldFilter)
- return (*OldFilter)(ep);
- else
- return EXCEPTION_CONTINUE_SEARCH;
+ _exit(ep->ExceptionRecord->ExceptionCode);
}
static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType) {
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