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

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 */
#ifndef _UAPI_ASM_PTRACE_H
#define _UAPI_ASM_PTRACE_H

#include <linux/types.h>

/* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
#define FPR_BASE	32
#define PC		64
#define CAUSE		65
#define BADVADDR	66
#define MMHI		67
#define MMLO		68
#define FPC_CSR		69
#define FPC_EIR		70
#define DSP_BASE	71		/* 3 more hi / lo register pairs */
#define DSP_CONTROL	77
#define ACX		78

/*
 * This struct defines the registers as used by PTRACE_{GET,SET}REGS. The
 * format is the same for both 32- and 64-bit processes. Registers for 32-bit
 * processes are sign extended.
 */
#ifdef __KERNEL__
struct user_pt_regs {
#else
struct pt_regs {
#endif
	/* Saved main processor registers. */
	__u64 regs[32];

	/* Saved special registers. */
	__u64 lo;
	__u64 hi;
	__u64 cp0_epc;
	__u64 cp0_badvaddr;
	__u64 cp0_status;
	__u64 cp0_cause;
} __attribute__ ((aligned (8)));

/* 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_GETFPXREGS		18 */
/* #define PTRACE_SETFPXREGS		19 */

#define PTRACE_OLDSETOPTIONS	21

#define PTRACE_GET_THREAD_AREA	25
#define PTRACE_SET_THREAD_AREA	26

/* Calls to trace a 64bit program from a 32bit program.	 */
#define PTRACE_PEEKTEXT_3264	0xc0
#define PTRACE_PEEKDATA_3264	0xc1
#define PTRACE_POKETEXT_3264	0xc2
#define PTRACE_POKEDATA_3264	0xc3
#define PTRACE_GET_THREAD_AREA_3264	0xc4

/* Read and write watchpoint registers.	 */
enum pt_watch_style {
	pt_watch_style_mips32,
	pt_watch_style_mips64
};
struct mips32_watch_regs {
	unsigned int watchlo[8];
	/* Lower 16 bits of watchhi. */
	unsigned short watchhi[8];
	/* Valid mask and I R W bits.
	 * bit 0 -- 1 if W bit is usable.
	 * bit 1 -- 1 if R bit is usable.
	 * bit 2 -- 1 if I bit is usable.
	 * bits 3 - 11 -- Valid watchhi mask bits.
	 */
	unsigned short watch_masks[8];
	/* The number of valid watch register pairs.  */
	unsigned int num_valid;
} __attribute__((aligned(8)));

struct mips64_watch_regs {
	unsigned long long watchlo[8];
	unsigned short watchhi[8];
	unsigned short watch_masks[8];
	unsigned int num_valid;
} __attribute__((aligned(8)));

struct pt_watch_regs {
	enum pt_watch_style style;
	union {
		struct mips32_watch_regs mips32;
		struct mips64_watch_regs mips64;
	};
};

#define PTRACE_GET_WATCH_REGS	0xd0
#define PTRACE_SET_WATCH_REGS	0xd1


#endif /* _UAPI_ASM_PTRACE_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
61730c53 DH	2	/*
	3	* This file is subject to the terms and conditions of the GNU General Public
	4	* License. See the file "COPYING" in the main directory of this archive
	5	* for more details.
	6	*
	7	* Copyright (C) 1994, 95, 96, 97, 98, 99, 2000 by Ralf Baechle
	8	* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
	9	*/
	10	#ifndef _UAPI_ASM_PTRACE_H
	11	#define _UAPI_ASM_PTRACE_H
	12
cdb685ad AK	13	#include <linux/types.h>
cdb685ad AK	14
61730c53 DH	15	/* 0 - 31 are integer registers, 32 - 63 are fp registers. */
	16	#define FPR_BASE 32
	17	#define PC 64
	18	#define CAUSE 65
	19	#define BADVADDR 66
	20	#define MMHI 67
	21	#define MMLO 68
	22	#define FPC_CSR 69
	23	#define FPC_EIR 70
	24	#define DSP_BASE 71 /* 3 more hi / lo register pairs */
	25	#define DSP_CONTROL 77
	26	#define ACX 78
	27
	28	/*
a79ebea6 AS	29	* This struct defines the registers as used by PTRACE_{GET,SET}REGS. The
	30	* format is the same for both 32- and 64-bit processes. Registers for 32-bit
	31	* processes are sign extended.
61730c53	32	*/
a79ebea6 AS	33	#ifdef __KERNEL__
	34	struct user_pt_regs {
	35	#else
61730c53	36	struct pt_regs {
a79ebea6	37	#endif
61730c53	38	/* Saved main processor registers. */
a79ebea6	39	__u64 regs[32];
61730c53 DH	40
61730c53 DH	41	/* Saved special registers. */
a79ebea6 AS	42	__u64 lo;
	43	__u64 hi;
	44	__u64 cp0_epc;
	45	__u64 cp0_badvaddr;
	46	__u64 cp0_status;
	47	__u64 cp0_cause;
61730c53 DH	48	} __attribute__ ((aligned (8)));
	49
	50	/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
	51	#define PTRACE_GETREGS 12
	52	#define PTRACE_SETREGS 13
	53	#define PTRACE_GETFPREGS 14
	54	#define PTRACE_SETFPREGS 15
	55	/* #define PTRACE_GETFPXREGS 18 */
	56	/* #define PTRACE_SETFPXREGS 19 */
	57
	58	#define PTRACE_OLDSETOPTIONS 21
	59
	60	#define PTRACE_GET_THREAD_AREA 25
	61	#define PTRACE_SET_THREAD_AREA 26
	62
70342287	63	/* Calls to trace a 64bit program from a 32bit program. */
61730c53 DH	64	#define PTRACE_PEEKTEXT_3264 0xc0
	65	#define PTRACE_PEEKDATA_3264 0xc1
	66	#define PTRACE_POKETEXT_3264 0xc2
	67	#define PTRACE_POKEDATA_3264 0xc3
	68	#define PTRACE_GET_THREAD_AREA_3264 0xc4
	69
70342287	70	/* Read and write watchpoint registers. */
61730c53 DH	71	enum pt_watch_style {
	72	pt_watch_style_mips32,
	73	pt_watch_style_mips64
	74	};
	75	struct mips32_watch_regs {
	76	unsigned int watchlo[8];
	77	/* Lower 16 bits of watchhi. */
	78	unsigned short watchhi[8];
	79	/* Valid mask and I R W bits.
	80	* bit 0 -- 1 if W bit is usable.
	81	* bit 1 -- 1 if R bit is usable.
	82	* bit 2 -- 1 if I bit is usable.
	83	* bits 3 - 11 -- Valid watchhi mask bits.
	84	*/
	85	unsigned short watch_masks[8];
	86	/* The number of valid watch register pairs. */
	87	unsigned int num_valid;
	88	} __attribute__((aligned(8)));
	89
	90	struct mips64_watch_regs {
	91	unsigned long long watchlo[8];
	92	unsigned short watchhi[8];
	93	unsigned short watch_masks[8];
	94	unsigned int num_valid;
	95	} __attribute__((aligned(8)));
	96
	97	struct pt_watch_regs {
	98	enum pt_watch_style style;
	99	union {
	100	struct mips32_watch_regs mips32;
	101	struct mips64_watch_regs mips64;
	102	};
	103	};
	104
	105	#define PTRACE_GET_WATCH_REGS 0xd0
	106	#define PTRACE_SET_WATCH_REGS 0xd1
	107
	108
	109	#endif /* _UAPI_ASM_PTRACE_H */