mirror of
https://github.com/reactos/reactos.git
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- move CONTEXT stuff from wdm.h to winddk.h / armddk.h
- inlcude intrin.h in wdm.h - avoid redefining PCONTEXT - use intrinsics for BitScanForward/Reverse svn path=/trunk/; revision=37902
This commit is contained in:
Timo Kreuzer
parent
72d7ea8bc3
commit
d610c156c6
4 changed files with 111 additions and 150 deletions
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@ -9,7 +9,11 @@
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#include <ntdef.h>
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#include <ntdef.h>
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#include <ntstatus.h>
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#include <ntstatus.h>
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#ifdef __GNUC__
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#include "intrin.h"
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#endif
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typedef struct _CONTEXT *PCONTEXT;
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//
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//
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// Resource list definitions
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// Resource list definitions
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@ -582,131 +586,6 @@ typedef struct _SE_IMPERSONATION_STATE {
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#define SERVICE_DEMAND_START 0x00000003
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#define SERVICE_DEMAND_START 0x00000003
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#define SERVICE_DISABLED 0x00000004
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#define SERVICE_DISABLED 0x00000004
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//
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// Architecture Defined Contexts
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//
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#if defined(_M_IX86)
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#define SIZE_OF_80387_REGISTERS 80
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#define CONTEXT_i386 0x10000
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#define CONTEXT_i486 0x10000
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#define CONTEXT_CONTROL (CONTEXT_i386|0x00000001L)
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#define CONTEXT_INTEGER (CONTEXT_i386|0x00000002L)
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#define CONTEXT_SEGMENTS (CONTEXT_i386|0x00000004L)
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#define CONTEXT_FLOATING_POINT (CONTEXT_i386|0x00000008L)
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#define CONTEXT_DEBUG_REGISTERS (CONTEXT_i386|0x00000010L)
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#define CONTEXT_EXTENDED_REGISTERS (CONTEXT_i386|0x00000020L)
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#define CONTEXT_FULL (CONTEXT_CONTROL|CONTEXT_INTEGER|CONTEXT_SEGMENTS)
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#define MAXIMUM_SUPPORTED_EXTENSION 512
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#define EXCEPTION_READ_FAULT 0
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#define EXCEPTION_WRITE_FAULT 1
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#define EXCEPTION_EXECUTE_FAULT 8
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typedef struct _FLOATING_SAVE_AREA {
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ULONG ControlWord;
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ULONG StatusWord;
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ULONG TagWord;
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ULONG ErrorOffset;
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ULONG ErrorSelector;
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ULONG DataOffset;
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ULONG DataSelector;
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UCHAR RegisterArea[SIZE_OF_80387_REGISTERS];
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ULONG Cr0NpxState;
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} FLOATING_SAVE_AREA, *PFLOATING_SAVE_AREA;
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typedef struct _CONTEXT {
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ULONG ContextFlags;
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ULONG Dr0;
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ULONG Dr1;
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ULONG Dr2;
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ULONG Dr3;
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ULONG Dr6;
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ULONG Dr7;
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FLOATING_SAVE_AREA FloatSave;
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ULONG SegGs;
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ULONG SegFs;
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ULONG SegEs;
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ULONG SegDs;
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ULONG Edi;
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ULONG Esi;
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ULONG Ebx;
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ULONG Edx;
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ULONG Ecx;
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ULONG Eax;
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ULONG Ebp;
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ULONG Eip;
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ULONG SegCs;
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ULONG EFlags;
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ULONG Esp;
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ULONG SegSs;
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UCHAR ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
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} CONTEXT, *PCONTEXT;
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#elif defined(_M_AMD64)
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#error FIXME-TODO: 64-bit
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#elif defined(_M_ARM)
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//
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// FIXME: Move to armddk.h?
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//
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/* The following flags control the contents of the CONTEXT structure. */
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#define CONTEXT_ARM 0x0000040
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#define CONTEXT_CONTROL (CONTEXT_ARM | 0x00000001L)
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#define CONTEXT_INTEGER (CONTEXT_ARM | 0x00000002L)
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#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER)
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typedef struct _CONTEXT {
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/* The flags values within this flag control the contents of
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a CONTEXT record.
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If the context record is used as an input parameter, then
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for each portion of the context record controlled by a flag
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whose value is set, it is assumed that that portion of the
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context record contains valid context. If the context record
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is being used to modify a thread's context, then only that
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portion of the threads context will be modified.
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If the context record is used as an IN OUT parameter to capture
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the context of a thread, then only those portions of the thread's
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context corresponding to set flags will be returned.
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The context record is never used as an OUT only parameter. */
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ULONG ContextFlags;
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/* This section is specified/returned if the ContextFlags word contains
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the flag CONTEXT_INTEGER. */
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ULONG R0;
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ULONG R1;
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ULONG R2;
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ULONG R3;
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ULONG R4;
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ULONG R5;
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ULONG R6;
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ULONG R7;
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ULONG R8;
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ULONG R9;
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ULONG R10;
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ULONG R11;
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ULONG R12;
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ULONG Sp;
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ULONG Lr;
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ULONG Pc;
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ULONG Psr;
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} CONTEXT, *PCONTEXT;
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#else
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#error "Undefined processor architecture"
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#endif
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//
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//
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// Exception Records
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// Exception Records
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//
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//
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@ -215,6 +215,10 @@ struct _COMPRESSED_DATA_INFO;
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#define KERNEL_LARGE_STACK_SIZE 61440
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#define KERNEL_LARGE_STACK_SIZE 61440
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#define KERNEL_LARGE_STACK_COMMIT 12288
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#define KERNEL_LARGE_STACK_COMMIT 12288
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#define EXCEPTION_READ_FAULT 0
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#define EXCEPTION_WRITE_FAULT 1
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#define EXCEPTION_EXECUTE_FAULT 8
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#define DPFLTR_ERROR_LEVEL 0
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#define DPFLTR_ERROR_LEVEL 0
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#define DPFLTR_WARNING_LEVEL 1
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#define DPFLTR_WARNING_LEVEL 1
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#define DPFLTR_TRACE_LEVEL 2
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#define DPFLTR_TRACE_LEVEL 2
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@ -5448,6 +5452,58 @@ typedef VOID
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#ifdef _X86_
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#ifdef _X86_
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#define SIZE_OF_80387_REGISTERS 80
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#define CONTEXT_i386 0x10000
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#define CONTEXT_i486 0x10000
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#define CONTEXT_CONTROL (CONTEXT_i386|0x00000001L)
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#define CONTEXT_INTEGER (CONTEXT_i386|0x00000002L)
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#define CONTEXT_SEGMENTS (CONTEXT_i386|0x00000004L)
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#define CONTEXT_FLOATING_POINT (CONTEXT_i386|0x00000008L)
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#define CONTEXT_DEBUG_REGISTERS (CONTEXT_i386|0x00000010L)
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#define CONTEXT_EXTENDED_REGISTERS (CONTEXT_i386|0x00000020L)
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#define CONTEXT_FULL (CONTEXT_CONTROL|CONTEXT_INTEGER|CONTEXT_SEGMENTS)
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#define MAXIMUM_SUPPORTED_EXTENSION 512
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typedef struct _FLOATING_SAVE_AREA {
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ULONG ControlWord;
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ULONG StatusWord;
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ULONG TagWord;
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ULONG ErrorOffset;
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ULONG ErrorSelector;
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ULONG DataOffset;
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ULONG DataSelector;
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UCHAR RegisterArea[SIZE_OF_80387_REGISTERS];
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ULONG Cr0NpxState;
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} FLOATING_SAVE_AREA, *PFLOATING_SAVE_AREA;
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typedef struct _CONTEXT {
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ULONG ContextFlags;
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ULONG Dr0;
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ULONG Dr1;
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ULONG Dr2;
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ULONG Dr3;
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ULONG Dr6;
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ULONG Dr7;
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FLOATING_SAVE_AREA FloatSave;
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ULONG SegGs;
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ULONG SegFs;
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ULONG SegEs;
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ULONG SegDs;
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ULONG Edi;
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ULONG Esi;
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ULONG Ebx;
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ULONG Edx;
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ULONG Ecx;
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ULONG Eax;
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ULONG Ebp;
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ULONG Eip;
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ULONG SegCs;
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ULONG EFlags;
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ULONG Esp;
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ULONG SegSs;
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UCHAR ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
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} CONTEXT;
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//
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//
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// Types to use to contain PFNs and their counts.
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// Types to use to contain PFNs and their counts.
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//
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//
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@ -2229,7 +2229,7 @@ typedef struct DECLSPEC_ALIGN(16) _CONTEXT {
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DWORD64 LastBranchFromRip;
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DWORD64 LastBranchFromRip;
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DWORD64 LastExceptionToRip;
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DWORD64 LastExceptionToRip;
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DWORD64 LastExceptionFromRip;
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DWORD64 LastExceptionFromRip;
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} CONTEXT, *PCONTEXT;
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} CONTEXT;
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typedef struct _KNONVOLATILE_CONTEXT_POINTERS {
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typedef struct _KNONVOLATILE_CONTEXT_POINTERS {
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@ -2299,7 +2299,7 @@ typedef struct _KNONVOLATILE_CONTEXT_POINTERS {
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NTSYSAPI
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NTSYSAPI
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VOID
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VOID
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__cdecl
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__cdecl
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RtlRestoreContext(PCONTEXT ContextRecord,
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RtlRestoreContext(struct _CONTEXT *ContextRecord,
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struct _EXCEPTION_RECORD *ExceptionRecord);
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struct _EXCEPTION_RECORD *ExceptionRecord);
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NTSYSAPI
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NTSYSAPI
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@ -4796,29 +4796,8 @@ InterlockedBitTestAndReset(IN LONG volatile *Base,
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#endif
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#endif
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}
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}
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static __inline__ BOOLEAN
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#define BitScanForward _BitScanForward
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BitScanReverse(OUT ULONG *Index,
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#define BitScanReverse _BitScanReverse
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IN ULONG Mask)
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{
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BOOLEAN BitPosition = 0;
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#if defined(_M_IX86)
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__asm__ __volatile__("bsrl %2,%0\n\t"
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"setnz %1\n\t"
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:"=&r" (*Index), "=q" (BitPosition)
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:"rm" (Mask)
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:"memory");
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return BitPosition;
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#else
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/* Slow implementation for now */
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for( *Index = 31; *Index; (*Index)-- ) {
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if( (1<<*Index) & Mask ) {
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return TRUE;
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}
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}
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return FALSE;
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#endif
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}
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#endif
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#endif
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@ -58,6 +58,53 @@ typedef struct _KFLOATING_SAVE
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ULONG Reserved;
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ULONG Reserved;
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} KFLOATING_SAVE, *PKFLOATING_SAVE;
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} KFLOATING_SAVE, *PKFLOATING_SAVE;
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/* The following flags control the contents of the CONTEXT structure. */
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#define CONTEXT_ARM 0x0000040
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#define CONTEXT_CONTROL (CONTEXT_ARM | 0x00000001L)
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#define CONTEXT_INTEGER (CONTEXT_ARM | 0x00000002L)
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#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER)
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typedef struct _CONTEXT {
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/* The flags values within this flag control the contents of
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a CONTEXT record.
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If the context record is used as an input parameter, then
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for each portion of the context record controlled by a flag
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whose value is set, it is assumed that that portion of the
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context record contains valid context. If the context record
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is being used to modify a thread's context, then only that
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portion of the threads context will be modified.
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If the context record is used as an IN OUT parameter to capture
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the context of a thread, then only those portions of the thread's
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context corresponding to set flags will be returned.
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The context record is never used as an OUT only parameter. */
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ULONG ContextFlags;
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/* This section is specified/returned if the ContextFlags word contains
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the flag CONTEXT_INTEGER. */
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ULONG R0;
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ULONG R1;
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ULONG R2;
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ULONG R3;
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ULONG R4;
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ULONG R5;
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ULONG R6;
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ULONG R7;
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ULONG R8;
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ULONG R9;
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ULONG R10;
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ULONG R11;
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ULONG R12;
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ULONG Sp;
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ULONG Lr;
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ULONG Pc;
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ULONG Psr;
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} CONTEXT;
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//
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//
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// Processor Control Region
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// Processor Control Region
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// On ARM, it's actually readable from user-mode, much like KUSER_SHARED_DATA
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// On ARM, it's actually readable from user-mode, much like KUSER_SHARED_DATA
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