/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* written by Philipp Rumpf, Copyright (C) 1999 SuSE GmbH Nuernberg
** Copyright (C) 2000 Grant Grundler, Hewlett-Packard
*/
#ifndef _UAPI_PARISC_PTRACE_H
#define _UAPI_PARISC_PTRACE_H


#include <linux/types.h>

/* This struct defines the way the registers are stored on the 
 * stack during a system call.
 *
 * N.B. gdb/strace care about the size and offsets within this
 * structure. If you change things, you may break object compatibility
 * for those applications.
 *
 * Please do NOT use this structure for future programs, but use
 * user_regs_struct (see below) instead.
 *
 * It can be accessed through PTRACE_PEEKUSR/PTRACE_POKEUSR only.
 */

struct pt_regs {
        unsigned long gr[32];   /* PSW is in gr[0] */
        __u64 fr[32];
        unsigned long sr[ 8];
        unsigned long iasq[2];
        unsigned long iaoq[2];
        unsigned long cr27;
        unsigned long pad0;     /* available for other uses */
        unsigned long orig_r28;
        unsigned long ksp;
        unsigned long kpc;
        unsigned long sar;      /* CR11 */
        unsigned long iir;      /* CR19 */
        unsigned long isr;      /* CR20 */
        unsigned long ior;      /* CR21 */
        unsigned long ipsw;     /* CR22 */
};

/**
 * struct user_regs_struct - User general purpose registers
 *
 * This is the user-visible general purpose register state structure
 * which is used to define the elf_gregset_t.
 *
 * It can be accessed through PTRACE_GETREGSET with NT_PRSTATUS
 * and through PTRACE_GETREGS.
 */
struct user_regs_struct {
        unsigned long gr[32];   /* PSW is in gr[0] */
        unsigned long sr[8];
        unsigned long iaoq[2];
        unsigned long iasq[2];
        unsigned long sar;      /* CR11 */
        unsigned long iir;      /* CR19 */
        unsigned long isr;      /* CR20 */
        unsigned long ior;      /* CR21 */
        unsigned long ipsw;     /* CR22 */
        unsigned long cr0;
        unsigned long cr24, cr25, cr26, cr27, cr28, cr29, cr30, cr31;
        unsigned long cr8, cr9, cr12, cr13, cr10, cr15;
        unsigned long _pad[80-64];      /* pad to ELF_NGREG (80) */
};

/**
 * struct user_fp_struct - User floating point registers
 *
 * This is the user-visible floating point register state structure.
 * It uses the same layout and size as elf_fpregset_t.
 *
 * It can be accessed through PTRACE_GETREGSET with NT_PRFPREG
 * and through PTRACE_GETFPREGS.
 */
struct user_fp_struct {
        __u64 fr[32];
};


/*
 * The numbers chosen here are somewhat arbitrary but absolutely MUST
 * not overlap with any of the number assigned in <linux/ptrace.h>.
 *
 * These ones are taken from IA-64 on the assumption that theirs are
 * the most correct (and we also want to support PTRACE_SINGLEBLOCK
 * since we have taken branch traps too)
 */
#define PTRACE_SINGLEBLOCK      12      /* resume execution until next branch */

#define PTRACE_GETREGS          18
#define PTRACE_SETREGS          19
#define PTRACE_GETFPREGS        14
#define PTRACE_SETFPREGS        15

#endif /* _UAPI_PARISC_PTRACE_H */