/* 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
/* * PSR bits * Note on V7M there is no mode contained in the PSR
*/ #define USR26_MODE 0x00000000 #define FIQ26_MODE 0x00000001 #define IRQ26_MODE 0x00000002 #define SVC26_MODE 0x00000003 #ifdefined(__KERNEL__) && defined(CONFIG_CPU_V7M) /* * Use 0 here to get code right that creates a userspace * or kernel space thread.
*/ #define USR_MODE 0x00000000 #define SVC_MODE 0x00000000 #else #define USR_MODE 0x00000010 #define SVC_MODE 0x00000013 #endif #define FIQ_MODE 0x00000011 #define IRQ_MODE 0x00000012 #define MON_MODE 0x00000016 #define ABT_MODE 0x00000017 #define HYP_MODE 0x0000001a #define UND_MODE 0x0000001b #define SYSTEM_MODE 0x0000001f #define MODE32_BIT 0x00000010 #define MODE_MASK 0x0000001f
#define V4_PSR_T_BIT 0x00000020 /* >= V4T, but not V7M */ #define V7M_PSR_T_BIT 0x01000000 #ifdefined(__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 0x00000040 /* >= V4, but not V7M */ #define PSR_I_BIT 0x00000080 /* >= V4, but not V7M */ #define PSR_A_BIT 0x00000100 /* >= V6, but not V7M */ #define PSR_E_BIT 0x00000200 /* >= V6, but not V7M */ #define PSR_J_BIT 0x01000000 /* >= V5J, but not V7M */ #define PSR_Q_BIT 0x08000000 /* >= V5E, including V7M */ #define PSR_V_BIT 0x10000000 #define PSR_C_BIT 0x20000000 #define PSR_Z_BIT 0x40000000 #define PSR_N_BIT 0x80000000
/* * Groups of PSR bits
*/ #define PSR_f 0xff000000 /* Flags */ #define PSR_s 0x00ff0000 /* Status */ #define PSR_x 0x0000ff00 /* Extension */ #define PSR_c 0x000000ff /* Control */
/* * ARMv7 groups of PSR bits
*/ #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ #define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */
/* * These are 'magic' values for PTRACE_PEEKUSR that return info about where a * process is located in memory.
*/ #define PT_TEXT_ADDR 0x10000 #define PT_DATA_ADDR 0x10004 #define PT_TEXT_END_ADDR 0x10008
#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__ */
/* * 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*/ )
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