Remove LLVM 8.0.1 files.

1 files changed, 0 insertions, 871 deletions

diff --git a/gnu/llvm/lib/Support/Windows/Signals.inc b/gnu/llvm/lib/Support/Windows/Signals.inc
deleted file mode 100644
index 41eb5e593aa..00000000000
--- a/gnu/llvm/lib/Support/Windows/Signals.inc
+++ /dev/null
@@ -1,871 +0,0 @@
-//===- Win32/Signals.cpp - Win32 Signals Implementation ---------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file provides the Win32 specific implementation of the Signals class.
-//
-//===----------------------------------------------------------------------===//
-#include "llvm/Support/ConvertUTF.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/WindowsError.h"
-#include <algorithm>
-#include <io.h>
-#include <signal.h>
-#include <stdio.h>
-
-#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>
-#else
- #include <crtdbg.h>
- #include <dbghelp.h>
-#endif
-#include <psapi.h>
-
-#ifdef _MSC_VER
- #pragma comment(lib, "psapi.lib")
-#elif __MINGW32__
- // The version of g++ that comes with MinGW does *not* properly understand
- // the ll format specifier for printf. However, MinGW passes the format
- // specifiers on to the MSVCRT entirely, and the CRT understands the ll
- // specifier. So these warnings are spurious in this case. Since we compile
- // with -Wall, this will generate these warnings which should be ignored. So
- // we will turn off the warnings for this just file. However, MinGW also does
- // not support push and pop for diagnostics, so we have to manually turn it
- // back on at the end of the file.
- #pragma GCC diagnostic ignored "-Wformat"
- #pragma GCC diagnostic ignored "-Wformat-extra-args"
-
- #if !defined(__MINGW64_VERSION_MAJOR)
- // MinGW.org does not have updated support for the 64-bit versions of the
- // DebugHlp APIs. So we will have to load them manually. The structures and
- // method signatures were pulled from DbgHelp.h in the Windows Platform SDK,
- // and adjusted for brevity.
- typedef struct _IMAGEHLP_LINE64 {
-   DWORD    SizeOfStruct;
-   PVOID    Key;
-   DWORD    LineNumber;
-   PCHAR    FileName;
-   DWORD64  Address;
- } IMAGEHLP_LINE64, *PIMAGEHLP_LINE64;
-
- typedef struct _IMAGEHLP_SYMBOL64 {
-   DWORD   SizeOfStruct;
-   DWORD64 Address;
-   DWORD   Size;
-   DWORD   Flags;
-   DWORD   MaxNameLength;
-   CHAR    Name[1];
- } IMAGEHLP_SYMBOL64, *PIMAGEHLP_SYMBOL64;
-
- typedef struct _tagADDRESS64 {
-   DWORD64       Offset;
-   WORD          Segment;
-   ADDRESS_MODE  Mode;
- } ADDRESS64, *LPADDRESS64;
-
- typedef struct _KDHELP64 {
-   DWORD64   Thread;
-   DWORD   ThCallbackStack;
-   DWORD   ThCallbackBStore;
-   DWORD   NextCallback;
-   DWORD   FramePointer;
-   DWORD64   KiCallUserMode;
-   DWORD64   KeUserCallbackDispatcher;
-   DWORD64   SystemRangeStart;
-   DWORD64   KiUserExceptionDispatcher;
-   DWORD64   StackBase;
-   DWORD64   StackLimit;
-   DWORD64   Reserved[5];
- } KDHELP64, *PKDHELP64;
-
- typedef struct _tagSTACKFRAME64 {
-   ADDRESS64   AddrPC;
-   ADDRESS64   AddrReturn;
-   ADDRESS64   AddrFrame;
-   ADDRESS64   AddrStack;
-   ADDRESS64   AddrBStore;
-   PVOID       FuncTableEntry;
-   DWORD64     Params[4];
-   BOOL        Far;
-   BOOL        Virtual;
-   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,
-                      LPDWORD lpNumberOfBytesRead);
-
-typedef PVOID (__stdcall *PFUNCTION_TABLE_ACCESS_ROUTINE64)( HANDLE ahProcess,
-                      DWORD64 AddrBase);
-
-typedef DWORD64 (__stdcall *PGET_MODULE_BASE_ROUTINE64)(HANDLE hProcess,
-                      DWORD64 Address);
-
-typedef DWORD64 (__stdcall *PTRANSLATE_ADDRESS_ROUTINE64)(HANDLE hProcess,
-                      HANDLE hThread, LPADDRESS64 lpaddr);
-
-typedef BOOL(WINAPI *fpMiniDumpWriteDump)(HANDLE, DWORD, HANDLE, MINIDUMP_TYPE,
-                                          PMINIDUMP_EXCEPTION_INFORMATION,
-                                          PMINIDUMP_USER_STREAM_INFORMATION,
-                                          PMINIDUMP_CALLBACK_INFORMATION);
-static fpMiniDumpWriteDump fMiniDumpWriteDump;
-
-typedef BOOL (WINAPI *fpStackWalk64)(DWORD, HANDLE, HANDLE, LPSTACKFRAME64,
-                      PVOID, PREAD_PROCESS_MEMORY_ROUTINE64,
-                      PFUNCTION_TABLE_ACCESS_ROUTINE64,
-                      PGET_MODULE_BASE_ROUTINE64,
-                      PTRANSLATE_ADDRESS_ROUTINE64);
-static fpStackWalk64 fStackWalk64;
-
-typedef DWORD64 (WINAPI *fpSymGetModuleBase64)(HANDLE, DWORD64);
-static fpSymGetModuleBase64 fSymGetModuleBase64;
-
-typedef BOOL (WINAPI *fpSymGetSymFromAddr64)(HANDLE, DWORD64,
-                      PDWORD64, PIMAGEHLP_SYMBOL64);
-static fpSymGetSymFromAddr64 fSymGetSymFromAddr64;
-
-typedef BOOL (WINAPI *fpSymGetLineFromAddr64)(HANDLE, DWORD64,
-                      PDWORD, PIMAGEHLP_LINE64);
-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 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 = ::LoadLibraryW(L"Dbghelp.dll");
-  if (hLib) {
-    fMiniDumpWriteDump = (fpMiniDumpWriteDump)
-                      ::GetProcAddress(hLib, "MiniDumpWriteDump");
-    fStackWalk64 = (fpStackWalk64)
-                      ::GetProcAddress(hLib, "StackWalk64");
-    fSymGetModuleBase64 = (fpSymGetModuleBase64)
-                      ::GetProcAddress(hLib, "SymGetModuleBase64");
-    fSymGetSymFromAddr64 = (fpSymGetSymFromAddr64)
-                      ::GetProcAddress(hLib, "SymGetSymFromAddr64");
-    fSymGetLineFromAddr64 = (fpSymGetLineFromAddr64)
-                      ::GetProcAddress(hLib, "SymGetLineFromAddr64");
-    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 fStackWalk64 && fSymInitialize && fSymSetOptions && fMiniDumpWriteDump;
-}
-
-using namespace llvm;
-
-// Forward declare.
-static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep);
-static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType);
-
-// The function to call if ctrl-c is pressed.
-static void (*InterruptFunction)() = 0;
-
-static std::vector<std::string> *FilesToRemove = NULL;
-static bool RegisteredUnhandledExceptionFilter = false;
-static bool CleanupExecuted = 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;
-
-static StringRef Argv0;
-
-enum {
-#if defined(_M_X64)
-  NativeMachineType = IMAGE_FILE_MACHINE_AMD64
-#elif defined(_M_ARM64)
-  NativeMachineType = IMAGE_FILE_MACHINE_ARM64
-#elif defined(_M_IX86)
-  NativeMachineType = IMAGE_FILE_MACHINE_I386
-#elif defined(_M_ARM)
-  NativeMachineType = IMAGE_FILE_MACHINE_ARMNT
-#else
-  NativeMachineType = IMAGE_FILE_MACHINE_UNKNOWN
-#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(Argv0, &StackTrace[0], Depth, OS);
-}
-
-namespace {
-struct FindModuleData {
-  void **StackTrace;
-  int Depth;
-  const char **Modules;
-  intptr_t *Offsets;
-  StringSaver *StrPool;
-};
-}
-
-static BOOL CALLBACK findModuleCallback(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();
-      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) || defined(_M_ARM64)
-    OS << format("0x%016llX", PC);
-#elif defined(_M_IX86) || defined(_M_ARM)
-    OS << format("0x%08lX", static_cast<DWORD>(PC));
-#endif
-
-// Print the parameters.  Assume there are four.
-#if defined(_M_X64) || defined(_M_ARM64)
-    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) || defined(_M_ARM)
-    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 {
-
-//===----------------------------------------------------------------------===//
-//=== WARNING: Implementation here must contain only Win32 specific code
-//===          and must not be UNIX code
-//===----------------------------------------------------------------------===//
-
-#ifdef _MSC_VER
-/// Emulates hitting "retry" from an "abort, retry, ignore" CRT debug report
-/// dialog. "retry" raises an exception which ultimately triggers our stack
-/// dumper.
-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().
-  if (Return)
-    *Return = 1;
-  // Don't call _CrtDbgReport.
-  return TRUE;
-}
-
-#endif
-
-extern "C" void HandleAbort(int Sig) {
-  if (Sig == SIGABRT) {
-    LLVM_BUILTIN_TRAP;
-  }
-}
-
-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;
-}
-
-static void RegisterHandler() {
-  // 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;
-  }
-
-  if (RegisteredUnhandledExceptionFilter) {
-    EnterCriticalSection(&CriticalSection);
-    return;
-  }
-
-  InitializeThreading();
-
-  // Enter it immediately.  Now if someone hits CTRL/C, the console handler
-  // can't proceed until the globals are updated.
-  EnterCriticalSection(&CriticalSection);
-
-  RegisteredUnhandledExceptionFilter = true;
-  OldFilter = SetUnhandledExceptionFilter(LLVMUnhandledExceptionFilter);
-  SetConsoleCtrlHandler(LLVMConsoleCtrlHandler, TRUE);
-
-  // IMPORTANT NOTE: Caller must call LeaveCriticalSection(&CriticalSection) or
-  // else multi-threading problems will ensue.
-}
-
-// The public API
-bool sys::RemoveFileOnSignal(StringRef Filename, std::string* ErrMsg) {
-  RegisterHandler();
-
-  if (CleanupExecuted) {
-    if (ErrMsg)
-      *ErrMsg = "Process terminating -- cannot register for removal";
-    return true;
-  }
-
-  if (FilesToRemove == NULL)
-    FilesToRemove = new std::vector<std::string>;
-
-  FilesToRemove->push_back(Filename);
-
-  LeaveCriticalSection(&CriticalSection);
-  return false;
-}
-
-// The public API
-void sys::DontRemoveFileOnSignal(StringRef Filename) {
-  if (FilesToRemove == NULL)
-    return;
-
-  RegisterHandler();
-
-  std::vector<std::string>::reverse_iterator I =
-      find(reverse(*FilesToRemove), Filename);
-  if (I != FilesToRemove->rend())
-    FilesToRemove->erase(I.base()-1);
-
-  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);
-}
-
-/// When an error signal (such as SIGABRT or SIGSEGV) is delivered to the
-/// process, print a stack trace and then exit.
-void sys::PrintStackTraceOnErrorSignal(StringRef Argv0,
-                                       bool DisableCrashReporting) {
-  ::Argv0 = Argv0;
-
-  if (DisableCrashReporting || getenv("LLVM_DISABLE_CRASH_REPORT"))
-    Process::PreventCoreFiles();
-
-  DisableSystemDialogsOnCrash();
-  RegisterHandler();
-  LeaveCriticalSection(&CriticalSection);
-}
-}
-
-#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;
-#elif defined(_M_IX86)
-  StackFrame.AddrPC.Offset = Context.Eip;
-  StackFrame.AddrStack.Offset = Context.Esp;
-  StackFrame.AddrFrame.Offset = Context.Ebp;
-#elif defined(_M_ARM64)
-  StackFrame.AddrPC.Offset = Context.Pc;
-  StackFrame.AddrStack.Offset = Context.Sp;
-  StackFrame.AddrFrame.Offset = Context.Fp;
-#elif defined(_M_ARM)
-  StackFrame.AddrPC.Offset = Context.Pc;
-  StackFrame.AddrStack.Offset = Context.Sp;
-  StackFrame.AddrFrame.Offset = Context.R11;
-#endif
-  StackFrame.AddrPC.Mode = AddrModeFlat;
-  StackFrame.AddrStack.Mode = AddrModeFlat;
-  StackFrame.AddrFrame.Mode = AddrModeFlat;
-  PrintStackTraceForThread(OS, GetCurrentProcess(), GetCurrentThread(),
-                           StackFrame, &Context);
-}
-
-
-void llvm::sys::SetInterruptFunction(void (*IF)()) {
-  RegisterHandler();
-  InterruptFunction = IF;
-  LeaveCriticalSection(&CriticalSection);
-}
-
-
-/// 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 llvm::sys::AddSignalHandler(sys::SignalHandlerCallback FnPtr,
-                                 void *Cookie) {
-  insertSignalHandler(FnPtr, Cookie);
-  RegisterHandler();
-  LeaveCriticalSection(&CriticalSection);
-}
-
-static void Cleanup() {
-  if (CleanupExecuted)
-    return;
-
-  EnterCriticalSection(&CriticalSection);
-
-  // Prevent other thread from registering new files and directories for
-  // removal, should we be executing because of the console handler callback.
-  CleanupExecuted = true;
-
-  // FIXME: open files cannot be deleted.
-  if (FilesToRemove != NULL)
-    while (!FilesToRemove->empty()) {
-      llvm::sys::fs::remove(FilesToRemove->back());
-      FilesToRemove->pop_back();
-    }
-  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();
-}
-
-/// Find the Windows Registry Key for a given location.
-///
-/// \returns a valid HKEY if the location exists, else NULL.
-static HKEY FindWERKey(const llvm::Twine &RegistryLocation) {
-  HKEY Key;
-  if (ERROR_SUCCESS != ::RegOpenKeyExA(HKEY_LOCAL_MACHINE,
-                                       RegistryLocation.str().c_str(), 0,
-                                       KEY_QUERY_VALUE | KEY_READ, &Key))
-    return NULL;
-
-  return Key;
-}
-
-/// Populate ResultDirectory with the value for "DumpFolder" for a given
-/// Windows Registry key.
-///
-/// \returns true if a valid value for DumpFolder exists, false otherwise.
-static bool GetDumpFolder(HKEY Key,
-                          llvm::SmallVectorImpl<char> &ResultDirectory) {
-  using llvm::sys::windows::UTF16ToUTF8;
-
-  if (!Key)
-    return false;
-
-  DWORD BufferLengthBytes = 0;
-
-  if (ERROR_SUCCESS != ::RegGetValueW(Key, 0, L"DumpFolder", REG_EXPAND_SZ,
-                                      NULL, NULL, &BufferLengthBytes))
-    return false;
-
-  SmallVector<wchar_t, MAX_PATH> Buffer(BufferLengthBytes);
-
-  if (ERROR_SUCCESS != ::RegGetValueW(Key, 0, L"DumpFolder", REG_EXPAND_SZ,
-                                      NULL, Buffer.data(), &BufferLengthBytes))
-    return false;
-
-  DWORD ExpandBufferSize = ::ExpandEnvironmentStringsW(Buffer.data(), NULL, 0);
-
-  if (!ExpandBufferSize)
-    return false;
-
-  SmallVector<wchar_t, MAX_PATH> ExpandBuffer(ExpandBufferSize);
-
-  if (ExpandBufferSize != ::ExpandEnvironmentStringsW(Buffer.data(),
-                                                      ExpandBuffer.data(),
-                                                      ExpandBufferSize))
-    return false;
-
-  if (UTF16ToUTF8(ExpandBuffer.data(), ExpandBufferSize - 1, ResultDirectory))
-    return false;
-
-  return true;
-}
-
-/// Populate ResultType with a valid MINIDUMP_TYPE based on the value of
-/// "DumpType" for a given Windows Registry key.
-///
-/// According to
-/// https://msdn.microsoft.com/en-us/library/windows/desktop/bb787181(v=vs.85).aspx
-/// valid values for DumpType are:
-///   * 0: Custom dump
-///   * 1: Mini dump
-///   * 2: Full dump
-/// If "Custom dump" is specified then the "CustomDumpFlags" field is read
-/// containing a bitwise combination of MINIDUMP_TYPE values.
-///
-/// \returns true if a valid value for ResultType can be set, false otherwise.
-static bool GetDumpType(HKEY Key, MINIDUMP_TYPE &ResultType) {
-  if (!Key)
-    return false;
-
-  DWORD DumpType;
-  DWORD TypeSize = sizeof(DumpType);
-  if (ERROR_SUCCESS != ::RegGetValueW(Key, NULL, L"DumpType", RRF_RT_REG_DWORD,
-                                      NULL, &DumpType,
-                                      &TypeSize))
-    return false;
-
-  switch (DumpType) {
-  case 0: {
-    DWORD Flags = 0;
-    if (ERROR_SUCCESS != ::RegGetValueW(Key, NULL, L"CustomDumpFlags",
-                                        RRF_RT_REG_DWORD, NULL, &Flags,
-                                        &TypeSize))
-      return false;
-
-    ResultType = static_cast<MINIDUMP_TYPE>(Flags);
-    break;
-  }
-  case 1:
-    ResultType = MiniDumpNormal;
-    break;
-  case 2:
-    ResultType = MiniDumpWithFullMemory;
-    break;
-  default:
-    return false;
-  }
-  return true;
-}
-
-/// Write a Windows dump file containing process information that can be
-/// used for post-mortem debugging.
-///
-/// \returns zero error code if a mini dump created, actual error code
-/// otherwise.
-static std::error_code WINAPI
-WriteWindowsDumpFile(PMINIDUMP_EXCEPTION_INFORMATION ExceptionInfo) {
-  using namespace llvm;
-  using namespace llvm::sys;
-
-  std::string MainExecutableName = fs::getMainExecutable(nullptr, nullptr);
-  StringRef ProgramName;
-
-  if (MainExecutableName.empty()) {
-    // If we can't get the executable filename,
-    // things are in worse shape than we realize
-    // and we should just bail out.
-    return mapWindowsError(::GetLastError());
-  }
-
-  ProgramName = path::filename(MainExecutableName.c_str());
-
-  // The Windows Registry location as specified at
-  // https://msdn.microsoft.com/en-us/library/windows/desktop/bb787181%28v=vs.85%29.aspx
-  // "Collecting User-Mode Dumps" that may optionally be set to collect crash
-  // dumps in a specified location.
-  StringRef LocalDumpsRegistryLocation =
-      "SOFTWARE\\Microsoft\\Windows\\Windows Error Reporting\\LocalDumps";
-
-  // The key pointing to the Registry location that may contain global crash
-  // dump settings.  This will be NULL if the location can not be found.
-  ScopedRegHandle DefaultLocalDumpsKey(FindWERKey(LocalDumpsRegistryLocation));
-
-  // The key pointing to the Registry location that may contain
-  // application-specific crash dump settings.  This will be NULL if the
-  // location can not be found.
-  ScopedRegHandle AppSpecificKey(
-      FindWERKey(Twine(LocalDumpsRegistryLocation) + "\\" + ProgramName));
-
-  // Look to see if a dump type is specified in the registry; first with the
-  // app-specific key and failing that with the global key.  If none are found
-  // default to a normal dump (GetDumpType will return false either if the key
-  // is NULL or if there is no valid DumpType value at its location).
-  MINIDUMP_TYPE DumpType;
-  if (!GetDumpType(AppSpecificKey, DumpType))
-    if (!GetDumpType(DefaultLocalDumpsKey, DumpType))
-      DumpType = MiniDumpNormal;
-
-  // Look to see if a dump location is specified in the registry; first with the
-  // app-specific key and failing that with the global key.  If none are found
-  // we'll just create the dump file in the default temporary file location
-  // (GetDumpFolder will return false either if the key is NULL or if there is
-  // no valid DumpFolder value at its location).
-  bool ExplicitDumpDirectorySet = true;
-  SmallString<MAX_PATH> DumpDirectory;
-  if (!GetDumpFolder(AppSpecificKey, DumpDirectory))
-    if (!GetDumpFolder(DefaultLocalDumpsKey, DumpDirectory))
-      ExplicitDumpDirectorySet = false;
-
-  int FD;
-  SmallString<MAX_PATH> DumpPath;
-
-  if (ExplicitDumpDirectorySet) {
-    if (std::error_code EC = fs::create_directories(DumpDirectory))
-      return EC;
-    if (std::error_code EC = fs::createUniqueFile(
-            Twine(DumpDirectory) + "\\" + ProgramName + ".%%%%%%.dmp", FD,
-            DumpPath))
-      return EC;
-  } else if (std::error_code EC =
-                 fs::createTemporaryFile(ProgramName, "dmp", FD, DumpPath))
-    return EC;
-
-  // Our support functions return a file descriptor but Windows wants a handle.
-  ScopedCommonHandle FileHandle(reinterpret_cast<HANDLE>(_get_osfhandle(FD)));
-
-  if (!fMiniDumpWriteDump(::GetCurrentProcess(), ::GetCurrentProcessId(),
-                          FileHandle, DumpType, ExceptionInfo, NULL, NULL))
-    return mapWindowsError(::GetLastError());
-
-  llvm::errs() << "Wrote crash dump file \"" << DumpPath << "\"\n";
-  return std::error_code();
-}
-
-static LONG WINAPI LLVMUnhandledExceptionFilter(LPEXCEPTION_POINTERS ep) {
-  Cleanup();
-
-  // We'll automatically write a Minidump file here to help diagnose
-  // the nasty sorts of crashes that aren't 100% reproducible from a set of
-  // inputs (or in the event that the user is unable or unwilling to provide a
-  // reproducible case).
-  if (!llvm::sys::Process::AreCoreFilesPrevented()) {
-    MINIDUMP_EXCEPTION_INFORMATION ExceptionInfo;
-    ExceptionInfo.ThreadId = ::GetCurrentThreadId();
-    ExceptionInfo.ExceptionPointers = ep;
-    ExceptionInfo.ClientPointers = FALSE;
-
-    if (std::error_code EC = WriteWindowsDumpFile(&ExceptionInfo))
-      llvm::errs() << "Could not write crash dump file: " << EC.message()
-                   << "\n";
-  }
-
-  // Initialize the STACKFRAME structure.
-  STACKFRAME64 StackFrame = {};
-
-#if defined(_M_X64)
-  StackFrame.AddrPC.Offset = ep->ContextRecord->Rip;
-  StackFrame.AddrPC.Mode = AddrModeFlat;
-  StackFrame.AddrStack.Offset = ep->ContextRecord->Rsp;
-  StackFrame.AddrStack.Mode = AddrModeFlat;
-  StackFrame.AddrFrame.Offset = ep->ContextRecord->Rbp;
-  StackFrame.AddrFrame.Mode = AddrModeFlat;
-#elif defined(_M_IX86)
-  StackFrame.AddrPC.Offset = ep->ContextRecord->Eip;
-  StackFrame.AddrPC.Mode = AddrModeFlat;
-  StackFrame.AddrStack.Offset = ep->ContextRecord->Esp;
-  StackFrame.AddrStack.Mode = AddrModeFlat;
-  StackFrame.AddrFrame.Offset = ep->ContextRecord->Ebp;
-  StackFrame.AddrFrame.Mode = AddrModeFlat;
-#elif defined(_M_ARM64) || defined(_M_ARM)
-  StackFrame.AddrPC.Offset = ep->ContextRecord->Pc;
-  StackFrame.AddrPC.Mode = AddrModeFlat;
-  StackFrame.AddrStack.Offset = ep->ContextRecord->Sp;
-  StackFrame.AddrStack.Mode = AddrModeFlat;
-#if defined(_M_ARM64)
-  StackFrame.AddrFrame.Offset = ep->ContextRecord->Fp;
-#else
-  StackFrame.AddrFrame.Offset = ep->ContextRecord->R11;
-#endif
-  StackFrame.AddrFrame.Mode = AddrModeFlat;
-#endif
-
-  HANDLE hProcess = GetCurrentProcess();
-  HANDLE hThread = GetCurrentThread();
-  PrintStackTraceForThread(llvm::errs(), hProcess, hThread, StackFrame,
-                           ep->ContextRecord);
-
-  _exit(ep->ExceptionRecord->ExceptionCode);
-}
-
-static BOOL WINAPI LLVMConsoleCtrlHandler(DWORD dwCtrlType) {
-  // We are running in our very own thread, courtesy of Windows.
-  EnterCriticalSection(&CriticalSection);
-  Cleanup();
-
-  // If an interrupt function has been set, go and run one it; otherwise,
-  // the process dies.
-  void (*IF)() = InterruptFunction;
-  InterruptFunction = 0;      // Don't run it on another CTRL-C.
-
-  if (IF) {
-    // Note: if the interrupt function throws an exception, there is nothing
-    // to catch it in this thread so it will kill the process.
-    IF();                     // Run it now.
-    LeaveCriticalSection(&CriticalSection);
-    return TRUE;              // Don't kill the process.
-  }
-
-  // Allow normal processing to take place; i.e., the process dies.
-  LeaveCriticalSection(&CriticalSection);
-  return FALSE;
-}
-
-#if __MINGW32__
- // We turned these warnings off for this file so that MinGW-g++ doesn't
- // complain about the ll format specifiers used.  Now we are turning the
- // warnings back on.  If MinGW starts to support diagnostic stacks, we can
- // replace this with a pop.
- #pragma GCC diagnostic warning "-Wformat"
- #pragma GCC diagnostic warning "-Wformat-extra-args"
-#endif