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| File: [Development] / linux-2.4-xfs / include / asm-x86_64 / current.h (download)
Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Initial Import 2.4.24pre2 |
#ifndef _X86_64_CURRENT_H
#define _X86_64_CURRENT_H
#if !defined(__ASSEMBLY__)
struct task_struct;
#include <asm/pda.h>
static inline struct task_struct *get_current(void)
{
struct task_struct *t = read_pda(pcurrent);
return t;
}
static inline struct task_struct *stack_current(void)
{
struct task_struct *current;
__asm__("andq %%rsp,%0; ":"=r" (current)
: "0" (~(unsigned long)(THREAD_SIZE-1)));
return current;
}
#define current get_current()
#else
#ifndef ASM_OFFSET_H
#include <asm/offset.h>
#endif
#define GET_CURRENT(reg) movq %gs:(pda_pcurrent),reg
#endif
#endif /* !(_X86_64_CURRENT_H) */