Define x86_64 context.

include/basetsd.h

@@ -149,6 +149,10 @@ typedef ULONG_PTR KAFFINITY, *PKAFFINITY;
 # undef  WORDS_BIGENDIAN
 # undef  BITFIELDS_BIGENDIAN
 # define ALLOW_UNALIGNED_ACCESS
+#elif defined(__x86_64__)
+# undef  WORDS_BIGENDIAN
+# undef  BITFIELDS_BIGENDIAN
+# define ALLOW_UNALIGNED_ACCESS
 #elif defined(__sparc__)
 # define WORDS_BIGENDIAN
 # define BITFIELDS_BIGENDIAN

include/winnt.h

@@ -452,6 +452,10 @@ typedef HANDLE *PHANDLE, *LPHANDLE;
 #define PROCESSOR_ARCHITECTURE_PPC	3
 #define PROCESSOR_ARCHITECTURE_SHX	4
 #define PROCESSOR_ARCHITECTURE_ARM	5
+#define PROCESSOR_ARCHITECTURE_IA64     6
+#define PROCESSOR_ARCHITECTURE_ALPHA64  7
+#define PROCESSOR_ARCHITECTURE_MSIL     8
+#define PROCESSOR_ARCHITECTURE_AMD64    9
 #define PROCESSOR_ARCHITECTURE_UNKNOWN	0xFFFF
 
 /* dwProcessorType */
@@ -459,6 +463,8 @@ typedef HANDLE *PHANDLE, *LPHANDLE;
 #define PROCESSOR_INTEL_486      486
 #define PROCESSOR_INTEL_PENTIUM  586
 #define PROCESSOR_INTEL_860      860
+#define PROCESSOR_INTEL_IA64     2200
+#define PROCESSOR_AMD_X8664      8664
 #define PROCESSOR_MIPS_R2000     2000
 #define PROCESSOR_MIPS_R3000     3000
 #define PROCESSOR_MIPS_R4000     4000
@@ -707,6 +713,132 @@ typedef struct _LDT_ENTRY {
     } HighWord;
 } LDT_ENTRY, *PLDT_ENTRY;
 
+/* x86-64 context definitions */
+#if defined(__x86_64__)
+
+#define CONTEXT_AMD64   0x00100000
+
+#define CONTEXT_CONTROL   (CONTEXT_AMD64 | 0x0001)
+#define CONTEXT_INTEGER   (CONTEXT_AMD64 | 0x0002)
+#define CONTEXT_SEGMENTS  (CONTEXT_AMD64 | 0x0004)
+#define CONTEXT_FLOATING_POINT  (CONTEXT_AMD64 | 0x0008L)
+#define CONTEXT_DEBUG_REGISTERS (CONTEXT_AMD64 | 0x0010L)
+#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)
+#define CONTEXT_ALL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_SEGMENTS | CONTEXT_FLOATING_POINT | CONTEXT_DEBUG_REGISTERS)
+
+typedef struct DECLSPEC_ALIGN(16) _M128A {
+    ULONGLONG Low;
+    LONGLONG High;
+} M128A, *PM128A;
+
+typedef struct _XMM_SAVE_AREA32 {
+    WORD ControlWord;
+    WORD StatusWord;
+    BYTE TagWord;
+    BYTE Reserved1;
+    WORD ErrorOpcode;
+    DWORD ErrorOffset;
+    WORD ErrorSelector;
+    WORD Reserved2;
+    DWORD DataOffset;
+    WORD DataSelector;
+    WORD Reserved3;
+    DWORD MxCsr;
+    DWORD MxCsr_Mask;
+    M128A FloatRegisters[8];
+    M128A XmmRegisters[16];
+    BYTE Reserved4[96];
+} XMM_SAVE_AREA32, *PXMM_SAVE_AREA32;
+
+typedef struct DECLSPEC_ALIGN(16) _CONTEXT {
+    DWORD64 P1Home;
+    DWORD64 P2Home;
+    DWORD64 P3Home;
+    DWORD64 P4Home;
+    DWORD64 P5Home;
+    DWORD64 P6Home;
+
+    /* Control flags */
+    DWORD ContextFlags;
+    DWORD MxCsr;
+
+    /* Segment */
+    WORD SegCs;
+    WORD SegDs;
+    WORD SegEs;
+    WORD SegFs;
+    WORD SegGs;
+    WORD SegSs;
+    DWORD EFlags;
+
+    /* Debug */
+    DWORD64 Dr0;
+    DWORD64 Dr1;
+    DWORD64 Dr2;
+    DWORD64 Dr3;
+    DWORD64 Dr6;
+    DWORD64 Dr7;
+
+    /* Integer */
+    DWORD64 Rax;
+    DWORD64 Rcx;
+    DWORD64 Rdx;
+    DWORD64 Rbx;
+    DWORD64 Rsp;
+    DWORD64 Rbp;
+    DWORD64 Rsi;
+    DWORD64 Rdi;
+    DWORD64 R8;
+    DWORD64 R9;
+    DWORD64 R10;
+    DWORD64 R11;
+    DWORD64 R12;
+    DWORD64 R13;
+    DWORD64 R14;
+    DWORD64 R15;
+
+    /* Counter */
+    DWORD64 Rip;
+
+    /* Floating point */
+    union {
+        XMM_SAVE_AREA32 FltSave;
+        struct {
+            M128A Header[2];
+            M128A Legacy[8];
+            M128A Xmm0;
+            M128A Xmm1;
+            M128A Xmm2;
+            M128A Xmm3;
+            M128A Xmm4;
+            M128A Xmm5;
+            M128A Xmm6;
+            M128A Xmm7;
+            M128A Xmm8;
+            M128A Xmm9;
+            M128A Xmm10;
+            M128A Xmm11;
+            M128A Xmm12;
+            M128A Xmm13;
+            M128A Xmm14;
+            M128A Xmm15;
+        } DUMMYSTRUCTNAME;
+    } DUMMYUNIONNAME;
+
+    /* Vector */
+    M128A VectorRegister[26];
+    DWORD64 VectorControl;
+
+    /* Debug control */
+    DWORD64 DebugControl;
+    DWORD64 LastBranchToRip;
+    DWORD64 LastBranchFromRip;
+    DWORD64 LastExceptionToRip;
+    DWORD64 LastExceptionFromRip;
+} CONTEXT;
+
+#endif /* __x86_64__ */
+
 /* Alpha context definitions */
 #if defined(_ALPHA_) || defined(__ALPHA__) || defined(__alpha__)