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