[mirror_ubuntu-bionic-kernel.git] / arch / sh / include / asm / ptrace.h

#ifndef __ASM_SH_PTRACE_H
#define __ASM_SH_PTRACE_H

/*
 * Copyright (C) 1999, 2000  Niibe Yutaka
 *
 */
#if defined(__SH5__)
struct pt_regs {
	unsigned long long pc;
	unsigned long long sr;
	unsigned long long syscall_nr;
	unsigned long long regs[63];
	unsigned long long tregs[8];
	unsigned long long pad[2];
};
#else
/*
 * 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

/*
 * 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_GETFDPIC		31	/* get the ELF fdpic loadmap address */

#define PTRACE_GETFDPIC_EXEC	0	/* [addr] request the executable loadmap */
#define PTRACE_GETFDPIC_INTERP	1	/* [addr] request the interpreter loadmap */

#define	PTRACE_GETDSPREGS	55
#define	PTRACE_SETDSPREGS	56
#endif

#ifdef __KERNEL__
#include <asm/addrspace.h>

#define user_mode(regs)			(((regs)->sr & 0x40000000)==0)
#define instruction_pointer(regs)	((unsigned long)(regs)->pc)

extern void show_regs(struct pt_regs *);

#ifdef CONFIG_SH_DSP
#define task_pt_regs(task) \
	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
		 - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1)
#else
#define task_pt_regs(task) \
	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
		 - sizeof(unsigned long)) - 1)
#endif

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

#ifdef P2SEG
	if (pc >= P2SEG && pc < P3SEG)
		pc -= 0x20000000;
#endif

	return pc;
}
#endif /* __KERNEL__ */

#endif /* __ASM_SH_PTRACE_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_PTRACE_H
	2	#define __ASM_SH_PTRACE_H
	3
1da177e4 LT	4	/*
	5	* Copyright (C) 1999, 2000 Niibe Yutaka
	6	*
	7	*/
f22ab814	8	#if defined(__SH5__)
33f242ed PM	9	struct pt_regs {
	10	unsigned long long pc;
	11	unsigned long long sr;
	12	unsigned long long syscall_nr;
	13	unsigned long long regs[63];
	14	unsigned long long tregs[8];
	15	unsigned long long pad[2];
	16	};
	17	#else
1da177e4 LT	18	/*
	19	* GCC defines register number like this:
	20	* -----------------------------
	21	* 0 - 15 are integer registers
	22	* 17 - 22 are control/special registers
	23	* 24 - 39 fp registers
	24	* 40 - 47 xd registers
	25	* 48 - fpscr register
	26	* -----------------------------
	27	*
	28	* We follows above, except:
	29	* 16 --- program counter (PC)
	30	* 22 --- syscall #
	31	* 23 --- floating point communication register
	32	*/
	33	#define REG_REG0 0
	34	#define REG_REG15 15
	35
	36	#define REG_PC 16
	37
	38	#define REG_PR 17
	39	#define REG_SR 18
33f242ed	40	#define REG_GBR 19
1da177e4 LT	41	#define REG_MACH 20
	42	#define REG_MACL 21
	43
	44	#define REG_SYSCALL 22
	45
	46	#define REG_FPREG0 23
	47	#define REG_FPREG15 38
	48	#define REG_XFREG0 39
	49	#define REG_XFREG15 54
	50
	51	#define REG_FPSCR 55
	52	#define REG_FPUL 56
	53
1da177e4 LT	54	/*
	55	* This struct defines the way the registers are stored on the
	56	* kernel stack during a system call or other kernel entry.
	57	*/
	58	struct pt_regs {
	59	unsigned long regs[16];
	60	unsigned long pc;
	61	unsigned long pr;
	62	unsigned long sr;
	63	unsigned long gbr;
	64	unsigned long mach;
	65	unsigned long macl;
	66	long tra;
	67	};
	68
	69	/*
	70	* This struct defines the way the DSP registers are stored on the
	71	* kernel stack during a system call or other kernel entry.
	72	*/
	73	struct pt_dspregs {
	74	unsigned long a1;
	75	unsigned long a0g;
	76	unsigned long a1g;
	77	unsigned long m0;
	78	unsigned long m1;
	79	unsigned long a0;
	80	unsigned long x0;
	81	unsigned long x1;
	82	unsigned long y0;
	83	unsigned long y1;
	84	unsigned long dsr;
	85	unsigned long rs;
	86	unsigned long re;
	87	unsigned long mod;
	88	};
	89
3bc24a1a PM	90	#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
	91
	92	#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
	93	#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
	94
1da177e4 LT	95	#define PTRACE_GETDSPREGS 55
1da177e4 LT	96	#define PTRACE_SETDSPREGS 56
33f242ed	97	#endif
1da177e4 LT	98
1da177e4 LT	99	#ifdef __KERNEL__
33f242ed PM	100	#include <asm/addrspace.h>
	101
	102	#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
5a4f7c66	103	#define instruction_pointer(regs) ((unsigned long)(regs)->pc)
33f242ed	104
1da177e4 LT	105	extern void show_regs(struct pt_regs *);
1da177e4 LT	106
3cf0f4ec AV	107	#ifdef CONFIG_SH_DSP
3cf0f4ec AV	108	#define task_pt_regs(task) \
308a792f	109	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
3cf0f4ec AV	110	- sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1)
	111	#else
	112	#define task_pt_regs(task) \
308a792f	113	((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
3cf0f4ec AV	114	- sizeof(unsigned long)) - 1)
	115	#endif
	116
1da177e4 LT	117	static inline unsigned long profile_pc(struct pt_regs *regs)
	118	{
	119	unsigned long pc = instruction_pointer(regs);
	120
33f242ed PM	121	#ifdef P2SEG
33f242ed PM	122	if (pc >= P2SEG && pc < P3SEG)
1da177e4	123	pc -= 0x20000000;
33f242ed PM	124	#endif
33f242ed PM	125
1da177e4 LT	126	return pc;
1da177e4 LT	127	}
33f242ed	128	#endif /* __KERNEL__ */
1da177e4 LT	129
1da177e4 LT	130	#endif /* __ASM_SH_PTRACE_H */