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https://foro.elhacker.net/ingenieria_inversa/estructuras_binarias_x8664-t505205.0.html
Aquí tengo algo, pero me faltan detalles .............
https://docs.microsoft.com/en-us/cpp/build/exception-handling-x64?view=msvc-160
typedef enum _UNWIND_OP_CODES {
UWOP_PUSH_NONVOL = 0, /* info == register number */
UWOP_ALLOC_LARGE, /* no info, alloc size in next 2 slots */
UWOP_ALLOC_SMALL, /* info == size of allocation / 8 - 1 */
UWOP_SET_FPREG, /* no info, FP = RSP + UNWIND_INFO.FPRegOffset*16 */
UWOP_SAVE_NONVOL, /* info == register number, offset in next slot */
UWOP_SAVE_NONVOL_FAR, /* info == register number, offset in next 2 slots */
UWOP_SAVE_XMM128 = 8, /* info == XMM reg number, offset in next slot */
UWOP_SAVE_XMM128_FAR, /* info == XMM reg number, offset in next 2 slots */
UWOP_PUSH_MACHFRAME /* info == 0: no error-code, 1: error-code */
} UNWIND_CODE_OPS;
typedef union _UNWIND_CODE {
struct {
UBYTE CodeOffset;
UBYTE UnwindOp : 4;
UBYTE OpInfo : 4;
};
USHORT FrameOffset;
} UNWIND_CODE, *PUNWIND_CODE;
#define UNW_FLAG_EHANDLER 0x01
#define UNW_FLAG_UHANDLER 0x02
#define UNW_FLAG_CHAININFO 0x04
typedef struct _UNWIND_INFO {
UBYTE Version : 3;
UBYTE Flags : 5;
UBYTE SizeOfProlog;
UBYTE CountOfCodes;
UBYTE FrameRegister : 4;
UBYTE FrameOffset : 4;
UNWIND_CODE UnwindCode[1];
/* UNWIND_CODE MoreUnwindCode[((CountOfCodes + 1) & ~1) - 1];
* union {
* OPTIONAL ULONG ExceptionHandler;
* OPTIONAL ULONG FunctionEntry;
* };
* OPTIONAL ULONG ExceptionData[]; */
} UNWIND_INFO, *PUNWIND_INFO;
typedef struct _RUNTIME_FUNCTION {
ULONG BeginAddress;
ULONG EndAddress;
ULONG UnwindData;
} RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
#define GetUnwindCodeEntry(info, index) \
((info)->UnwindCode[index])
#define GetLanguageSpecificDataPtr(info) \
((PVOID)&GetUnwindCodeEntry((info),((info)->CountOfCodes + 1) & ~1))
#define GetExceptionHandler(base, info) \
((PEXCEPTION_HANDLER)((base) + *(PULONG)GetLanguageSpecificDataPtr(info)))
#define GetChainedFunctionEntry(base, info) \
((PRUNTIME_FUNCTION)((base) + *(PULONG)GetLanguageSpecificDataPtr(info)))
#define GetExceptionDataPtr(info) \
((PVOID)((PULONG)GetLanguageSpecificData(info) + 1)
Estas entradas de tabla como se que han terminado "typedef struct _RUNTIME_FUNCTION " ????????????
Resuelto https://www.leviathansecurity.com/blog/use-of-windows-exception-handling-metadata
