57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/*
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* Portions Copyright 2008, 2009 VMware, Inc.
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*/
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#ifndef _X86_64_CURRENT_H
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#define _X86_64_CURRENT_H
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#if !defined(__ASSEMBLY__)
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struct task_struct;
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#include <asm/pda.h>
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/**
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* get_current - Gets current task pointer for the current world.
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*
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* Gets current task pointer for the current world.
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*
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* RETURN VALUE:
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* Pointer to the task struct of the running process.
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*/
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/* _VMKLNX_CODECHECK_: get_current */
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static inline struct task_struct *get_current(void)
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{
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#if defined(__VMKLNX__)
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extern struct task_struct *vmklnx_GetCurrent(void);
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return vmklnx_GetCurrent();
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#else /* !defined(__VMKLNX__) */
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struct task_struct *t = read_pda(pcurrent);
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return t;
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#endif /* defined(__VMKLNX__) */
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}
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/**
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* current - Get current task pointer of current task
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*
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* Returns a pointer to the task struct of the running task
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*
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* SYNOPSIS:
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* #define current
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*
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* RETURN VALUE:
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* Pointer to current task of type task_struct
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*
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*/
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/* _VMKLNX_CODECHECK_: current */
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#define current get_current()
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#else
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#ifndef ASM_OFFSET_H
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#include <asm/asm-offsets.h>
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#endif
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#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
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#endif
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#endif /* !(_X86_64_CURRENT_H) */
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