| /** |
| * This file has no copyright assigned and is placed in the Public Domain. |
| * This file is part of the mingw-w64 runtime package. |
| * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| */ |
| |
| #ifndef WIN32_LEAN_AND_MEAN |
| #define WIN32_LEAN_AND_MEAN |
| #endif |
| #define WIN32_NO_STATUS |
| #include <stdlib.h> /* abort () */ |
| #include <windows.h> |
| #undef WIN32_NO_STATUS |
| #include <ntstatus.h> /* STATUS macros */ |
| #ifdef _WIN64 |
| #include <intrin.h> |
| #endif |
| |
| #ifdef _WIN64 |
| #define DEFAULT_SECURITY_COOKIE 0x00002B992DDFA232ll |
| #else |
| #define DEFAULT_SECURITY_COOKIE 0xBB40E64E |
| #endif |
| |
| /* Externals. */ |
| |
| typedef LONG NTSTATUS; /* same as in ntdef.h / winternl.h */ |
| |
| #define UNW_FLAG_NHANDLER 0x00 |
| |
| typedef union |
| { |
| unsigned __int64 ft_scalar; |
| FILETIME ft_struct; |
| } FT; |
| |
| static EXCEPTION_RECORD GS_ExceptionRecord; |
| static CONTEXT GS_ContextRecord; |
| |
| static const EXCEPTION_POINTERS GS_ExceptionPointers = { |
| &GS_ExceptionRecord,&GS_ContextRecord |
| }; |
| |
| DECLSPEC_SELECTANY UINT_PTR __security_cookie = DEFAULT_SECURITY_COOKIE; |
| DECLSPEC_SELECTANY UINT_PTR __security_cookie_complement = ~(DEFAULT_SECURITY_COOKIE); |
| |
| void __cdecl __security_init_cookie (void); |
| |
| void __cdecl |
| __security_init_cookie (void) |
| { |
| UINT_PTR cookie; |
| FT systime = { 0, }; |
| LARGE_INTEGER perfctr; |
| |
| if (__security_cookie != DEFAULT_SECURITY_COOKIE) |
| { |
| __security_cookie_complement = ~__security_cookie; |
| return; |
| } |
| |
| GetSystemTimeAsFileTime (&systime.ft_struct); |
| #ifdef _WIN64 |
| cookie = systime.ft_scalar; |
| #else |
| cookie = systime.ft_struct.dwLowDateTime; |
| cookie ^= systime.ft_struct.dwHighDateTime; |
| #endif |
| |
| cookie ^= GetCurrentProcessId (); |
| cookie ^= GetCurrentThreadId (); |
| cookie ^= GetTickCount (); |
| |
| QueryPerformanceCounter (&perfctr); |
| #ifdef _WIN64 |
| cookie ^= perfctr.QuadPart; |
| #else |
| cookie ^= perfctr.LowPart; |
| cookie ^= perfctr.HighPart; |
| #endif |
| |
| #ifdef _WIN64 |
| cookie &= 0x0000ffffffffffffll; |
| #endif |
| |
| if (cookie == DEFAULT_SECURITY_COOKIE) |
| cookie = DEFAULT_SECURITY_COOKIE + 1; |
| __security_cookie = cookie; |
| __security_cookie_complement = ~cookie; |
| } |
| |
| |
| #if defined(__GNUC__) /* wrap msvc intrinsics onto gcc builtins */ |
| #undef _ReturnAddress |
| #undef _AddressOfReturnAddress |
| #define _ReturnAddress() __builtin_return_address(0) |
| #define _AddressOfReturnAddress() __builtin_frame_address (0) |
| #endif /* __GNUC__ */ |
| |
| __declspec(noreturn) void __cdecl __report_gsfailure (ULONG_PTR); |
| |
| __declspec(noreturn) void __cdecl |
| __report_gsfailure (ULONG_PTR StackCookie) |
| { |
| volatile UINT_PTR cookie[2] __MINGW_ATTRIB_UNUSED; |
| #ifdef _WIN64 |
| ULONG64 controlPC, imgBase, establisherFrame; |
| PRUNTIME_FUNCTION fctEntry; |
| PVOID hndData; |
| |
| RtlCaptureContext (&GS_ContextRecord); |
| controlPC = GS_ContextRecord.Rip; |
| fctEntry = RtlLookupFunctionEntry (controlPC, &imgBase, NULL); |
| if (fctEntry != NULL) |
| { |
| RtlVirtualUnwind (UNW_FLAG_NHANDLER, imgBase, controlPC, fctEntry, |
| &GS_ContextRecord, &hndData, &establisherFrame, NULL); |
| } |
| else |
| #endif /* _WIN64 */ |
| { |
| #if defined(__x86_64__) || defined(_AMD64_) |
| GS_ContextRecord.Rip = (ULONGLONG) _ReturnAddress(); |
| GS_ContextRecord.Rsp = (ULONGLONG) _AddressOfReturnAddress() + 8; |
| #elif defined(__i386__) || defined(_X86_) |
| GS_ContextRecord.Eip = (DWORD) _ReturnAddress(); |
| GS_ContextRecord.Esp = (DWORD) _AddressOfReturnAddress() + 4; |
| #elif defined(__arm__) || defined(_ARM_) |
| GS_ContextRecord.Pc = (DWORD) _ReturnAddress(); |
| GS_ContextRecord.Sp = (DWORD) _AddressOfReturnAddress() + 4; |
| #endif /* _WIN64 */ |
| } |
| |
| #if defined(__x86_64__) || defined(_AMD64_) |
| GS_ExceptionRecord.ExceptionAddress = (PVOID) GS_ContextRecord.Rip; |
| GS_ContextRecord.Rcx = StackCookie; |
| #elif defined(__i386__) || defined(_X86_) |
| GS_ExceptionRecord.ExceptionAddress = (PVOID) GS_ContextRecord.Eip; |
| GS_ContextRecord.Ecx = StackCookie; |
| #elif defined(__arm__) || defined(_ARM_) |
| GS_ExceptionRecord.ExceptionAddress = (PVOID) GS_ContextRecord.Pc; |
| #endif /* _WIN64 */ |
| GS_ExceptionRecord.ExceptionCode = STATUS_STACK_BUFFER_OVERRUN; |
| GS_ExceptionRecord.ExceptionFlags = EXCEPTION_NONCONTINUABLE; |
| cookie[0] = __security_cookie; |
| cookie[1] = __security_cookie_complement; |
| SetUnhandledExceptionFilter (NULL); |
| UnhandledExceptionFilter ((EXCEPTION_POINTERS *) &GS_ExceptionPointers); |
| TerminateProcess (GetCurrentProcess (), STATUS_STACK_BUFFER_OVERRUN); |
| abort(); |
| } |
| |