Source code of Windows XP (NT5)
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213 lines
6.9 KiB

#ifndef _EXCEPT_
#define _EXCEPT_
typedef LONG (*PFNUNHANDLEDEXCEPTION)(struct _EXCEPTION_POINTERS *ExceptionInfo);
#define EXCEPTION_MAXIMUM_PARAMETERS 15 // maximum number of exception parameters
#define SIZE_OF_80387_REGISTERS 80
#define MAXIMUM_SUPPORTED_EXTENSION 512
#define BREAKPOINT_BREAK 0
typedef struct _FLOATING_SAVE_AREA {
DWORD ControlWord;
DWORD StatusWord;
DWORD TagWord;
DWORD ErrorOffset;
DWORD ErrorSelector;
DWORD DataOffset;
DWORD DataSelector;
BYTE RegisterArea[SIZE_OF_80387_REGISTERS];
DWORD Cr0NpxState;
} FLOATING_SAVE_AREA;
typedef FLOATING_SAVE_AREA *PFLOATING_SAVE_AREA;
//
// Context Frame
//
typedef struct _CONTEXT {
//
// The flags values within this flag control the contents of
// a CONTEXT record.
//
// If the context record is used as an input parameter, then
// for each portion of the context record controlled by a flag
// whose value is set, it is assumed that that portion of the
// context record contains valid context. If the context record
// is being used to modify a threads context, then only that
// portion of the threads context will be modified.
//
// If the context record is used as an IN OUT parameter to capture
// the context of a thread, then only those portions of the thread's
// context corresponding to set flags will be returned.
//
// The context record is never used as an OUT only parameter.
//
DWORD ContextFlags;
//
// This section is specified/returned if CONTEXT_DEBUG_REGISTERS is
// set in ContextFlags. Note that CONTEXT_DEBUG_REGISTERS is NOT
// included in CONTEXT_FULL.
//
DWORD Dr0;
DWORD Dr1;
DWORD Dr2;
DWORD Dr3;
DWORD Dr6;
DWORD Dr7;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_FLOATING_POINT.
//
FLOATING_SAVE_AREA FloatSave;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_SEGMENTS.
//
DWORD SegGs;
DWORD SegFs;
DWORD SegEs;
DWORD SegDs;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_INTEGER.
//
DWORD Edi;
DWORD Esi;
DWORD Ebx;
DWORD Edx;
DWORD Ecx;
DWORD Eax;
//
// This section is specified/returned if the
// ContextFlags word contians the flag CONTEXT_CONTROL.
//
DWORD Ebp;
DWORD Eip;
DWORD SegCs; // MUST BE SANITIZED
DWORD EFlags; // MUST BE SANITIZED
DWORD Esp;
DWORD SegSs;
//
// This section is specified/returned if the ContextFlags word
// contains the flag CONTEXT_EXTENDED_REGISTERS.
// The format and contexts are processor specific
//
BYTE ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
} CONTEXT;
typedef CONTEXT *PCONTEXT;
//
// Exception record definition.
//
typedef struct _EXCEPTION_RECORD {
DWORD ExceptionCode;
DWORD ExceptionFlags;
struct _EXCEPTION_RECORD *ExceptionRecord;
PVOID ExceptionAddress;
DWORD NumberParameters;
UINT ExceptionInformation[EXCEPTION_MAXIMUM_PARAMETERS];
} EXCEPTION_RECORD;
typedef EXCEPTION_RECORD *PEXCEPTION_RECORD;
typedef struct _EXCEPTION_POINTERS {
PEXCEPTION_RECORD ExceptionRecord;
PCONTEXT ContextRecord;
} EXCEPTION_POINTERS, *PEXCEPTION_POINTERS;
typedef struct _STACKFRAME {
PVOID RetAddress;
PVOID pExceptPointers;
EXCEPTION_POINTERS ExceptPointers;
} STACKFRAME, *PSTACKFRAME;
#define STATUS_WAIT_0 ((DWORD )0x00000000L)
#define STATUS_ABANDONED_WAIT_0 ((DWORD )0x00000080L)
#define STATUS_USER_APC ((DWORD )0x000000C0L)
#define STATUS_TIMEOUT ((DWORD )0x00000102L)
#define STATUS_PENDING ((DWORD )0x00000103L)
#define STATUS_SEGMENT_NOTIFICATION ((DWORD )0x40000005L)
#define STATUS_GUARD_PAGE_VIOLATION ((DWORD )0x80000001L)
#define STATUS_DATATYPE_MISALIGNMENT ((DWORD )0x80000002L)
#define STATUS_BREAKPOINT ((DWORD )0x80000003L)
#define STATUS_SINGLE_STEP ((DWORD )0x80000004L)
#define STATUS_ACCESS_VIOLATION ((DWORD )0xC0000005L)
#define STATUS_IN_PAGE_ERROR ((DWORD )0xC0000006L)
#define STATUS_INVALID_HANDLE ((DWORD )0xC0000008L)
#define STATUS_NO_MEMORY ((DWORD )0xC0000017L)
#define STATUS_ILLEGAL_INSTRUCTION ((DWORD )0xC000001DL)
#define STATUS_NONCONTINUABLE_EXCEPTION ((DWORD )0xC0000025L)
#define STATUS_INVALID_DISPOSITION ((DWORD )0xC0000026L)
#define STATUS_ARRAY_BOUNDS_EXCEEDED ((DWORD )0xC000008CL)
#define STATUS_FLOAT_DENORMAL_OPERAND ((DWORD )0xC000008DL)
#define STATUS_FLOAT_DIVIDE_BY_ZERO ((DWORD )0xC000008EL)
#define STATUS_FLOAT_INEXACT_RESULT ((DWORD )0xC000008FL)
#define STATUS_FLOAT_INVALID_OPERATION ((DWORD )0xC0000090L)
#define STATUS_FLOAT_OVERFLOW ((DWORD )0xC0000091L)
#define STATUS_FLOAT_STACK_CHECK ((DWORD )0xC0000092L)
#define STATUS_FLOAT_UNDERFLOW ((DWORD )0xC0000093L)
#define STATUS_INTEGER_DIVIDE_BY_ZERO ((DWORD )0xC0000094L)
#define STATUS_INTEGER_OVERFLOW ((DWORD )0xC0000095L)
#define STATUS_PRIVILEGED_INSTRUCTION ((DWORD )0xC0000096L)
#define STATUS_STACK_OVERFLOW ((DWORD )0xC00000FDL)
#define STATUS_CONTROL_C_EXIT ((DWORD )0xC000013AL)
#define STATUS_FLOAT_MULTIPLE_FAULTS ((DWORD )0xC00002B4L)
#define STATUS_FLOAT_MULTIPLE_TRAPS ((DWORD )0xC00002B5L)
#define STATUS_ILLEGAL_VLM_REFERENCE ((DWORD )0xC00002C0L)
/*
* EFLAGs bit assignments
*/
#define CF_BIT 0
#define CF_MASK (1 << CF_BIT)
#define PF_BIT 2
#define PF_MASK (1 << PF_BIT)
#define AF_BIT 4
#define AF_MASK (1 << AF_BIT)
#define ZF_BIT 6
#define ZF_MASK (1 << ZF_BIT)
#define SF_BIT 7
#define SF_MASK (1 << SF_BIT)
#define TF_BIT 8
#define TF_MASK (1 << TF_BIT)
#define IF_BIT 9
#define IF_MASK (1 << IF_BIT)
#define DF_BIT 10
#define DF_MASK (1 << DF_BIT)
#define OF_BIT 11 /* Overflow flag */
#define OF_MASK (1 << OF_BIT)
#define IOPL_MASK 0x3000 /* IOPL flags */
#define IOPL_BIT0 12
#define IOPL_BIT1 13
#define NT_BIT 14 /* Nested task flag */
#define NT_MASK (1 << NT_BIT)
#define RF_BIT 16 /* Resume flag */
#define RF_MASK (1 << RF_BIT)
#define VM_BIT 17 /* Virtual Mode flag */
#define VM_MASK (1 << VM_BIT)
#define AC_BIT 18 /* Alignment check */
#define AC_MASK (1 << AC_BIT)
#define VIF_BIT 19 /* Virtual Interrupt flag */
#define VIF_MASK (1 << VIF_BIT)
#define VIP_BIT 20 /* Virtual Interrupt pending */
#define VIP_MASK (1 << VIP_BIT)
#endif //_EXCEPT_