[deliverable/linux.git] / include / asm-sh / ptrace.h

#ifndef __ASM_SH_PTRACE_H
#define __ASM_SH_PTRACE_H

#include <asm/ubc.h>

/*
 * Copyright (C) 1999, 2000  Niibe Yutaka
 *
 */

/*
 * GCC defines register number like this:
 * -----------------------------
 *	 0 - 15 are integer registers
 *	17 - 22 are control/special registers
 *	24 - 39 fp registers
 *	40 - 47 xd registers
 *	48 -    fpscr register
 * -----------------------------
 *
 * We follows above, except:
 *	16 --- program counter (PC)
 *	22 --- syscall #
 *	23 --- floating point communication register
 */
#define REG_REG0	 0
#define REG_REG15	15

#define REG_PC		16

#define REG_PR		17
#define REG_SR		18
#define REG_GBR      	19
#define REG_MACH	20
#define REG_MACL	21

#define REG_SYSCALL	22

#define REG_FPREG0	23
#define REG_FPREG15	38
#define REG_XFREG0	39
#define REG_XFREG15	54

#define REG_FPSCR	55
#define REG_FPUL	56

/* options set using PTRACE_SETOPTIONS */
#define PTRACE_O_TRACESYSGOOD     0x00000001

/*
 * This struct defines the way the registers are stored on the
 * kernel stack during a system call or other kernel entry.
 */
struct pt_regs {
	unsigned long regs[16];
	unsigned long pc;
	unsigned long pr;
	unsigned long sr;
	unsigned long gbr;
	unsigned long mach;
	unsigned long macl;
	long tra;
};

/*
 * This struct defines the way the DSP registers are stored on the
 * kernel stack during a system call or other kernel entry.
 */
struct pt_dspregs {
	unsigned long	a1;
	unsigned long	a0g;
	unsigned long	a1g;
	unsigned long	m0;
	unsigned long	m1;
	unsigned long	a0;
	unsigned long	x0;
	unsigned long	x1;
	unsigned long	y0;
	unsigned long	y1;
	unsigned long	dsr;
	unsigned long	rs;
	unsigned long	re;
	unsigned long	mod;
};

#define	PTRACE_GETDSPREGS	55
#define	PTRACE_SETDSPREGS	56

#ifdef __KERNEL__
#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
#define instruction_pointer(regs) ((regs)->pc)
extern void show_regs(struct pt_regs *);

static inline unsigned long profile_pc(struct pt_regs *regs)
{
	unsigned long pc = instruction_pointer(regs);

	if (pc >= 0xa0000000UL && pc < 0xc0000000UL)
		pc -= 0x20000000;
	return pc;
}
#endif

#endif /* __ASM_SH_PTRACE_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_PTRACE_H
	2	#define __ASM_SH_PTRACE_H
	3
	4	#include <asm/ubc.h>
	5
	6	/*
	7	* Copyright (C) 1999, 2000 Niibe Yutaka
	8	*
	9	*/
	10
	11	/*
	12	* GCC defines register number like this:
	13	* -----------------------------
	14	* 0 - 15 are integer registers
	15	* 17 - 22 are control/special registers
	16	* 24 - 39 fp registers
	17	* 40 - 47 xd registers
	18	* 48 - fpscr register
	19	* -----------------------------
	20	*
	21	* We follows above, except:
	22	* 16 --- program counter (PC)
	23	* 22 --- syscall #
	24	* 23 --- floating point communication register
	25	*/
	26	#define REG_REG0 0
	27	#define REG_REG15 15
	28
	29	#define REG_PC 16
	30
	31	#define REG_PR 17
	32	#define REG_SR 18
	33	#define REG_GBR 19
	34	#define REG_MACH 20
	35	#define REG_MACL 21
	36
	37	#define REG_SYSCALL 22
	38
	39	#define REG_FPREG0 23
	40	#define REG_FPREG15 38
	41	#define REG_XFREG0 39
	42	#define REG_XFREG15 54
	43
	44	#define REG_FPSCR 55
	45	#define REG_FPUL 56
	46
	47	/* options set using PTRACE_SETOPTIONS */
	48	#define PTRACE_O_TRACESYSGOOD 0x00000001
	49
	50	/*
	51	* This struct defines the way the registers are stored on the
	52	* kernel stack during a system call or other kernel entry.
	53	*/
	54	struct pt_regs {
	55	unsigned long regs[16];
	56	unsigned long pc;
	57	unsigned long pr;
	58	unsigned long sr;
	59	unsigned long gbr;
	60	unsigned long mach;
	61	unsigned long macl;
	62	long tra;
	63	};
	64
65	/*
66	* This struct defines the way the DSP registers are stored on the
67	* kernel stack during a system call or other kernel entry.
68	*/
69	struct pt_dspregs {
70	unsigned long a1;
71	unsigned long a0g;
72	unsigned long a1g;
73	unsigned long m0;
74	unsigned long m1;
75	unsigned long a0;
76	unsigned long x0;
77	unsigned long x1;
78	unsigned long y0;
79	unsigned long y1;
80	unsigned long dsr;
81	unsigned long rs;
82	unsigned long re;
83	unsigned long mod;
84	};
85
86	#define PTRACE_GETDSPREGS 55
87	#define PTRACE_SETDSPREGS 56
88
89	#ifdef __KERNEL__
90	#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
91	#define instruction_pointer(regs) ((regs)->pc)
92	extern void show_regs(struct pt_regs *);
93
94	static inline unsigned long profile_pc(struct pt_regs *regs)
95	{
96	unsigned long pc = instruction_pointer(regs);
97
98	if (pc >= 0xa0000000UL && pc < 0xc0000000UL)
99	pc -= 0x20000000;
100	return pc;
101	}
102	#endif
103
104	#endif /* __ASM_SH_PTRACE_H */