linux-stable/arch/um/include/registers.h
Jeff Dike d25f2e1235 uml: use ptrace directly in libc code
Some register accessor cleanups -
	userspace() was calling restore_registers and save_registers for no
reason, since userspace() is on the libc side of the house, and these
add no value over calling ptrace directly
	init_thread_registers and get_safe_registers were the same thing,
so init_thread_registers is gone

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05 09:44:28 -08:00

22 lines
722 B
C

/*
* Copyright (C) 2004 PathScale, Inc
* Licensed under the GPL
*/
#ifndef __REGISTERS_H
#define __REGISTERS_H
#include "sysdep/ptrace.h"
#include "sysdep/archsetjmp.h"
extern int save_fp_registers(int pid, unsigned long *fp_regs);
extern int restore_fp_registers(int pid, unsigned long *fp_regs);
extern int save_fpx_registers(int pid, unsigned long *fp_regs);
extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
extern void save_registers(int pid, struct uml_pt_regs *regs);
extern void restore_registers(int pid, struct uml_pt_regs *regs);
extern void init_registers(int pid);
extern void get_safe_registers(unsigned long *regs);
extern unsigned long get_thread_reg(int reg, jmp_buf *buf);
#endif