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linux/arch/x86/um/asm/processor.h

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um: merge arch/um/sys-{i386,x86_64}/asm Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-08-18 12:02:59 -07:00
#ifndef __UM_PROCESSOR_H
#define __UM_PROCESSOR_H
/* include faultinfo structure */
#include <sysdep/faultinfo.h>
#ifdef CONFIG_X86_32
# include "processor_32.h"
#else
# include "processor_64.h"
#endif
um: unify KSTK_... ... and switch get_thread_register() to HOST_... for register numbers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-08-18 12:12:09 -07:00
#define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP)
#define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
um: increase stack growth cushion in pagefault analog of [PATCH] i386: let usermode execute the "enter" instruction from circa 2006. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-08-18 12:10:19 -07:00
#define ARCH_IS_STACKGROW(address) \
(address + 65536 + 32 * sizeof(unsigned long) >= UPT_SP(&current->thread.regs.regs))
um: merge arch/um/sys-{i386,x86_64}/asm Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Richard Weinberger <richard@nod.at>
2011-08-18 12:02:59 -07:00
#include <asm/processor-generic.h>
#endif
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