mirror of
https://github.com/reactos/reactos.git
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87 lines
1.7 KiB
C
87 lines
1.7 KiB
C
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#ifndef _INLINE_NT_CURRENTTEB_H_
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#define _INLINE_NT_CURRENTTEB_H_
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#ifdef __GNUC__
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#if defined(_M_IX86)
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FORCEINLINE struct _TEB * NtCurrentTeb(void)
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{
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struct _TEB *ret;
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__asm__ __volatile__ (
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"movl %%fs:0x18, %0\n"
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: "=r" (ret)
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: /* no inputs */
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);
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return ret;
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}
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#elif defined(_M_ARM)
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//
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// NT-ARM is not documented
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//
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#include <armddk.h>
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#elif defined(_M_AMD64)
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FORCEINLINE struct _TEB * NtCurrentTeb(VOID)
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{
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return (struct _TEB *)__readgsqword(FIELD_OFFSET(NT_TIB, Self));
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}
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#elif defined(_M_PPC)
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extern __inline__ struct _TEB * NtCurrentTeb(void)
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{
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return __readfsdword_winnt(0x18);
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}
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#else
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extern __inline__ struct _TEB * NtCurrentTeb(void)
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{
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return __readfsdword_winnt(0x18);
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}
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#endif
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#elif defined(__WATCOMC__)
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extern PVOID GetCurrentFiber(void);
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#pragma aux GetCurrentFiber = \
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"mov eax, dword ptr fs:0x10" \
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value [eax] \
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modify [eax];
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extern struct _TEB * NtCurrentTeb(void);
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#pragma aux NtCurrentTeb = \
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"mov eax, dword ptr fs:0x18" \
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value [eax] \
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modify [eax];
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#elif defined(_MSC_VER)
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#if (_MSC_FULL_VER >= 13012035)
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__inline PVOID GetCurrentFiber(void) { return (PVOID)(ULONG_PTR)__readfsdword(0x10); }
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__inline struct _TEB * NtCurrentTeb(void) { return (struct _TEB *)(ULONG_PTR)__readfsdword(0x18); }
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#else
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static __inline PVOID GetCurrentFiber(void)
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{
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PVOID p;
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__asm mov eax, fs:[10h]
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__asm mov [p], eax
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return p;
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}
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static __inline struct _TEB * NtCurrentTeb(void)
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{
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struct _TEB *p;
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__asm mov eax, fs:[18h]
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__asm mov [p], eax
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return p;
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}
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#endif /* _MSC_FULL_VER */
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#endif /* __GNUC__/__WATCOMC__/_MSC_VER */
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#endif//_INLINE_NT_CURRENTTEB_H_
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