/* 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 */