[net-next-2.6.git] / include / asm-frv / ptrace.h

/* ptrace.h: ptrace() relevant definitions
 *
 * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */
#ifndef _ASM_PTRACE_H
#define _ASM_PTRACE_H

#include <asm/registers.h>
#include <asm/irq_regs.h>

#define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0)


#define PT_PSR		0
#define	PT_ISR		1
#define PT_CCR		2
#define PT_CCCR		3
#define PT_LR		4
#define PT_LCR		5
#define PT_PC		6

#define PT__STATUS	7	/* exception status */
#define PT_SYSCALLNO	8	/* syscall number or -1 */
#define PT_ORIG_GR8	9	/* saved GR8 for signal handling */
#define PT_GNER0	10
#define PT_GNER1	11
#define PT_IACC0H	12
#define PT_IACC0L	13

#define PT_GR(j)	( 14 + (j))	/* GRj for 0<=j<=63 */
#define PT_FR(j)	( 78 + (j))	/* FRj for 0<=j<=63 */
#define PT_FNER(j)	(142 + (j))	/* FNERj for 0<=j<=1 */
#define PT_MSR(j)	(144 + (j))	/* MSRj for 0<=j<=2 */
#define PT_ACC(j)	(146 + (j))	/* ACCj for 0<=j<=7 */
#define PT_ACCG(jklm)	(154 + (jklm))	/* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */
#define PT_FSR(j)	(156 + (j))	/* FSRj for 0<=j<=0 */
#define PT__GPEND	78
#define PT__END		157

#define PT_TBR		PT_GR(0)
#define PT_SP		PT_GR(1)
#define PT_FP		PT_GR(2)
#define PT_PREV_FRAME	PT_GR(28)	/* previous exception frame pointer (old gr28 value) */
#define PT_CURR_TASK	PT_GR(29)	/* current task */


/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
#define PTRACE_GETREGS		12
#define PTRACE_SETREGS		13
#define PTRACE_GETFPREGS	14
#define PTRACE_SETFPREGS	15
#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 */

#ifndef __ASSEMBLY__

/*
 * we dedicate GR28 to keeping a pointer to the current exception frame
 * - gr28 is destroyed on entry to the kernel from userspace
 */
register struct pt_regs *__frame asm("gr28");

#define user_mode(regs)			(!((regs)->psr & PSR_S))
#define instruction_pointer(regs)	((regs)->pc)

extern unsigned long user_stack(const struct pt_regs *);
extern void show_regs(struct pt_regs *);
#define profile_pc(regs) ((regs)->pc)

#endif /* !__ASSEMBLY__ */
#endif /* _ASM_PTRACE_H */
Commit	Line	Data
1da177e4 LT	1	/* ptrace.h: ptrace() relevant definitions
	2	*
	3	* Copyright (C) 2003 Red Hat, Inc. All Rights Reserved.
	4	* Written by David Howells (dhowells@redhat.com)
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the License, or (at your option) any later version.
	10	*/
	11	#ifndef _ASM_PTRACE_H
	12	#define _ASM_PTRACE_H
	13
	14	#include <asm/registers.h>
7d12e780	15	#include <asm/irq_regs.h>
1da177e4 LT	16
	17	#define in_syscall(regs) (((regs)->tbr & TBR_TT) == TBR_TT_TRAP0)
	18
	19
	20	#define PT_PSR 0
	21	#define PT_ISR 1
	22	#define PT_CCR 2
	23	#define PT_CCCR 3
	24	#define PT_LR 4
	25	#define PT_LCR 5
	26	#define PT_PC 6
	27
	28	#define PT__STATUS 7 /* exception status */
	29	#define PT_SYSCALLNO 8 /* syscall number or -1 */
	30	#define PT_ORIG_GR8 9 /* saved GR8 for signal handling */
	31	#define PT_GNER0 10
	32	#define PT_GNER1 11
	33	#define PT_IACC0H 12
	34	#define PT_IACC0L 13
	35
	36	#define PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63 */
	37	#define PT_FR(j) ( 78 + (j)) /* FRj for 0<=j<=63 */
	38	#define PT_FNER(j) (142 + (j)) /* FNERj for 0<=j<=1 */
	39	#define PT_MSR(j) (144 + (j)) /* MSRj for 0<=j<=2 */
	40	#define PT_ACC(j) (146 + (j)) /* ACCj for 0<=j<=7 */
	41	#define PT_ACCG(jklm) (154 + (jklm)) /* ACCGjklm for 0<=jklm<=1 (reads four regs per slot) */
	42	#define PT_FSR(j) (156 + (j)) /* FSRj for 0<=j<=0 */
	43	#define PT__GPEND 78
	44	#define PT__END 157
	45
	46	#define PT_TBR PT_GR(0)
	47	#define PT_SP PT_GR(1)
	48	#define PT_FP PT_GR(2)
	49	#define PT_PREV_FRAME PT_GR(28) /* previous exception frame pointer (old gr28 value) */
	50	#define PT_CURR_TASK PT_GR(29) /* current task */
	51
	52
	53	/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
	54	#define PTRACE_GETREGS 12
	55	#define PTRACE_SETREGS 13
	56	#define PTRACE_GETFPREGS 14
	57	#define PTRACE_SETFPREGS 15
	58	#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
	59
	60	#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
	61	#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
	62
	63	#ifndef __ASSEMBLY__
	64
	65	/*
84e8cd6d DH	66	* we dedicate GR28 to keeping a pointer to the current exception frame
84e8cd6d DH	67	* - gr28 is destroyed on entry to the kernel from userspace
1da177e4 LT	68	*/
1da177e4 LT	69	register struct pt_regs *__frame asm("gr28");
1da177e4 LT	70
	71	#define user_mode(regs) (!((regs)->psr & PSR_S))
	72	#define instruction_pointer(regs) ((regs)->pc)
	73
	74	extern unsigned long user_stack(const struct pt_regs *);
	75	extern void show_regs(struct pt_regs *);
	76	#define profile_pc(regs) ((regs)->pc)
	77
	78	#endif /* !__ASSEMBLY__ */
	79	#endif /* _ASM_PTRACE_H */