/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* arch / arm / include / asm / ptrace . h
*
* Copyright ( C ) 1996 - 2003 Russell King
*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation .
*/
#ifndef _UAPI__ASM_ARM_PTRACE_H
#define _UAPI__ASM_ARM_PTRACE_H
#include <asm /hwcap.h>
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
/* PTRACE_ATTACH is 16 */
/* PTRACE_DETACH is 17 */
#define PTRACE_GETWMMXREGS 18
#define PTRACE_SETWMMXREGS 19
/* 20 is unused */
#define PTRACE_OLDSETOPTIONS 21
#define PTRACE_GET_THREAD_AREA 22
#define PTRACE_SET_SYSCALL 23
/* PTRACE_SYSCALL is 24 */
#define PTRACE_GETCRUNCHREGS 25 /* obsolete */
#define PTRACE_SETCRUNCHREGS 26 /* obsolete */
#define PTRACE_GETVFPREGS 27
#define PTRACE_SETVFPREGS 28
#define PTRACE_GETHBPREGS 29
#define PTRACE_SETHBPREGS 30
#define PTRACE_GETFDPIC 31
#define PTRACE_GETFDPIC_EXEC 0
#define PTRACE_GETFDPIC_INTERP 1
/*
* PSR bits
* Note on V7M there is no mode contained in the PSR
*/
#define USR26_MODE 0 x00000000
#define FIQ26_MODE 0 x00000001
#define IRQ26_MODE 0 x00000002
#define SVC26_MODE 0 x00000003
#if defined (__KERNEL__) && defined (CONFIG_CPU_V7M)
/*
* Use 0 here to get code right that creates a userspace
* or kernel space thread .
*/
#define USR_MODE 0 x00000000
#define SVC_MODE 0 x00000000
#else
#define USR_MODE 0 x00000010
#define SVC_MODE 0 x00000013
#endif
#define FIQ_MODE 0 x00000011
#define IRQ_MODE 0 x00000012
#define MON_MODE 0 x00000016
#define ABT_MODE 0 x00000017
#define HYP_MODE 0 x0000001a
#define UND_MODE 0 x0000001b
#define SYSTEM_MODE 0 x0000001f
#define MODE32_BIT 0 x00000010
#define MODE_MASK 0 x0000001f
#define V4_PSR_T_BIT 0 x00000020 /* >= V4T, but not V7M */
#define V7M_PSR_T_BIT 0 x01000000
#if defined (__KERNEL__) && defined (CONFIG_CPU_V7M)
#define PSR_T_BIT V7M_PSR_T_BIT
#else
/* for compatibility */
#define PSR_T_BIT V4_PSR_T_BIT
#endif
#define PSR_F_BIT 0 x00000040 /* >= V4, but not V7M */
#define PSR_I_BIT 0 x00000080 /* >= V4, but not V7M */
#define PSR_A_BIT 0 x00000100 /* >= V6, but not V7M */
#define PSR_E_BIT 0 x00000200 /* >= V6, but not V7M */
#define PSR_J_BIT 0 x01000000 /* >= V5J, but not V7M */
#define PSR_Q_BIT 0 x08000000 /* >= V5E, including V7M */
#define PSR_V_BIT 0 x10000000
#define PSR_C_BIT 0 x20000000
#define PSR_Z_BIT 0 x40000000
#define PSR_N_BIT 0 x80000000
/*
* Groups of PSR bits
*/
#define PSR_f 0 xff000000 /* Flags */
#define PSR_s 0 x00ff0000 /* Status */
#define PSR_x 0 x0000ff00 /* Extension */
#define PSR_c 0 x000000ff /* Control */
/*
* ARMv7 groups of PSR bits
*/
#define APSR_MASK 0 xf80f0000 /* N, Z, C, V, Q and GE flags */
#define PSR_ISET_MASK 0 x01000010 /* ISA state (J, T) mask */
#define PSR_IT_MASK 0 x0600fc00 /* If-Then execution state mask */
#define PSR_ENDIAN_MASK 0 x00000200 /* Endianness state mask */
/*
* Default endianness state
*/
#ifdef CONFIG_CPU_ENDIAN_BE8
#define PSR_ENDSTATE PSR_E_BIT
#else
#define PSR_ENDSTATE 0
#endif
/*
* These are ' magic ' values for PTRACE_PEEKUSR that return info about where a
* process is located in memory .
*/
#define PT_TEXT_ADDR 0 x10000
#define PT_DATA_ADDR 0 x10004
#define PT_TEXT_END_ADDR 0 x10008
#ifndef __ASSEMBLY__
/*
* This struct defines the way the registers are stored on the
* stack during a system call . Note that sizeof ( struct pt_regs )
* has to be a multiple of 8 .
*/
#ifndef __KERNEL__
struct pt_regs {
long uregs[18 ];
};
#endif /* __KERNEL__ */
#define ARM_cpsr uregs[16 ]
#define ARM_pc uregs[15 ]
#define ARM_lr uregs[14 ]
#define ARM_sp uregs[13 ]
#define ARM_ip uregs[12 ]
#define ARM_fp uregs[11 ]
#define ARM_r10 uregs[10 ]
#define ARM_r9 uregs[9 ]
#define ARM_r8 uregs[8 ]
#define ARM_r7 uregs[7 ]
#define ARM_r6 uregs[6 ]
#define ARM_r5 uregs[5 ]
#define ARM_r4 uregs[4 ]
#define ARM_r3 uregs[3 ]
#define ARM_r2 uregs[2 ]
#define ARM_r1 uregs[1 ]
#define ARM_r0 uregs[0 ]
#define ARM_ORIG_r0 uregs[17 ]
/*
* The size of the user - visible VFP state as seen by PTRACE_GET / SETVFPREGS
* and core dumps .
*/
#define ARM_VFPREGS_SIZE ( 32 * 8 /*fpregs*/ + 4 /*fpscr*/ )
#endif /* __ASSEMBLY__ */
#endif /* _UAPI__ASM_ARM_PTRACE_H */
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