patch-2.4.20 linux-2.4.20/include/asm-x86_64/current.h

• Lines: 38
• Date: Thu Nov 28 15:53:15 2002
• Orig file: linux-2.4.19/include/asm-x86_64/current.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.19/include/asm-x86_64/current.h linux-2.4.20/include/asm-x86_64/current.h
@@ -0,0 +1,37 @@
+#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) */