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#ifndef __ASM_ARM_PTRACE_H
#define __ASM_ARM_PTRACE_H
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
#define PTRACE_OLDSETOPTIONS 21
/* options set using PTRACE_SETOPTIONS */
#define PTRACE_O_TRACESYSGOOD 0x00000001
#define MODE_USR26 0x00000000
#define MODE_FIQ26 0x00000001
#define MODE_IRQ26 0x00000002
#define MODE_SVC26 0x00000003
#define MODE_MASK 0x00000003
#define PSR_F_BIT 0x04000000
#define PSR_I_BIT 0x08000000
#define PSR_V_BIT 0x10000000
#define PSR_C_BIT 0x20000000
#define PSR_Z_BIT 0x40000000
#define PSR_N_BIT 0x80000000
#define PCMASK 0xfc000003
#ifndef __ASSEMBLY__
#define pc_pointer(v) ((v) & ~PCMASK) /* convert v to pc type address */
#define instruction_pointer(regs) (pc_pointer((regs)->ARM_pc)) /* get pc */
#define profile_pc(regs) instruction_pointer(regs)
/* this struct defines the way the registers are stored on the
stack during a system call. */
struct pt_regs {
long uregs[17];
};
#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[16]
#ifdef __KERNEL__
#define processor_mode(regs) \
((regs)->ARM_pc & MODE_MASK)
#define user_mode(regs) \
(processor_mode(regs) == MODE_USR26)
#define interrupts_enabled(regs) \
(!((regs)->ARM_pc & PSR_I_BIT))
#define fast_interrupts_enabled(regs) \
(!((regs)->ARM_pc & PSR_F_BIT))
#define condition_codes(regs) \
((regs)->ARM_pc & (PSR_V_BIT|PSR_C_BIT|PSR_Z_BIT|PSR_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 (user_mode(regs) &&
(regs->ARM_pc & (PSR_F_BIT | PSR_I_BIT)) == 0)
return 1;
/*
* force it to be something sensible
*/
regs->ARM_pc &= ~(MODE_MASK | PSR_F_BIT | PSR_I_BIT);
return 0;
}
extern void show_regs(struct pt_regs *);
#define predicate(x) (x & 0xf0000000)
#define PREDICATE_ALWAYS 0xe0000000
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif
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