/* *  linux/include/asm-arm/proc-armv/ptrace.h * *  Copyright (C) 1996-1999 Russell King * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#ifndef __ASM_PROC_PTRACE_H#define __ASM_PROC_PTRACE_H#include <linux/config.h>#define USR26_MODE	0x00#define FIQ26_MODE	0x01#define IRQ26_MODE	0x02#define SVC26_MODE	0x03#define USR_MODE	0x10#define FIQ_MODE	0x11#define IRQ_MODE	0x12#define SVC_MODE	0x13#define ABT_MODE	0x17#define UND_MODE	0x1b#define SYSTEM_MODE	0x1f#define MODE_MASK	0x1f#define T_BIT		0x20#define F_BIT		0x40#define I_BIT		0x80#define CC_V_BIT	(1 << 28)#define CC_C_BIT	(1 << 29)#define CC_Z_BIT	(1 << 30)#define CC_N_BIT	(1 << 31)#define PCMASK		0#ifndef __ASSEMBLY__/* this struct defines the way the registers are stored on the   stack during a system call. */struct pt_regs {	long uregs[18];};#define ARM_cpsr	uregs[16]#define ARM_pc		uregs[15]#define ARM_lr		uregs[14]#define ARM_sp		uregs[13]#define ARM_ip		uregs[12]#define ARM_fp		uregs[11]#define ARM_r10		uregs[10]#define ARM_r9		uregs[9]#define ARM_r8		uregs[8]#define ARM_r7		uregs[7]#define ARM_r6		uregs[6]#define ARM_r5		uregs[5]#define ARM_r4		uregs[4]#define ARM_r3		uregs[3]#define ARM_r2		uregs[2]#define ARM_r1		uregs[1]#define ARM_r0		uregs[0]#define ARM_ORIG_r0	uregs[17]#ifdef __KERNEL__#define user_mode(regs)	\	(((regs)->ARM_cpsr & 0xf) == 0)#ifdef CONFIG_ARM_THUMB#define thumb_mode(regs) \	(((regs)->ARM_cpsr & T_BIT))#else#define thumb_mode(regs) (0)#endif#define processor_mode(regs) \	((regs)->ARM_cpsr & MODE_MASK)#define interrupts_enabled(regs) \	(!((regs)->ARM_cpsr & I_BIT))#define fast_interrupts_enabled(regs) \	(!((regs)->ARM_cpsr & F_BIT))#define condition_codes(regs) \	((regs)->ARM_cpsr & (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT))/* Are the current registers suitable for user mode? * (used to maintain security in signal handlers) */static inline int valid_user_regs(struct pt_regs *regs){	if ((regs->ARM_cpsr & 0xf) == 0 &&	    (regs->ARM_cpsr & (F_BIT|I_BIT)) == 0)		return 1;	/*	 * Force CPSR to something logical...	 */	regs->ARM_cpsr &= (CC_V_BIT|CC_C_BIT|CC_Z_BIT|CC_N_BIT|0x10);	return 0;}#endif	/* __KERNEL__ */#endif	/* __ASSEMBLY__ */#endif