OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/09/2024 07:14:12 AM	rwxr-xr-x
📄 Kbuild	703 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acenv.h	541 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 acpi.h	4.34 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 alternative.h	7.63 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arch_gicv3.h	3.44 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 arch_timer.h	4.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 arm-cci.h	794 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-bug.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-offsets.h	35 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 asm-uaccess.h	2.09 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 assembler.h	13.51 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic.h	8.35 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 atomic_ll_sc.h	10.61 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 atomic_lse.h	14.82 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 barrier.h	3.78 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 bitops.h	1.9 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 bitrev.h	452 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 boot.h	384 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 brk-imm.h	706 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 bug.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cache.h	2.23 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cacheflush.h	4.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 checksum.h	1.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 clocksource.h	192 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cmpxchg.h	7.98 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compat.h	7.15 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 compiler.h	1.18 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpu.h	1.84 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpu_ops.h	2.73 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 cpucaps.h	1.87 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpufeature.h	19.14 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 cpuidle.h	401 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 cputype.h	8.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 current.h	517 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 daifflags.h	1.59 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dcc.h	1.36 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 debug-monitors.h	3.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 device.h	886 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 dma-mapping.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 dmi.h	850 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 efi.h	4.57 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 elf.h	5.7 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 esr.h	9.02 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exception.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 exec.h	868 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 extable.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fb.h	1000 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 fixmap.h	2.91 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimd.h	4.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 fpsimdmacros.h	5.62 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ftrace.h	1.92 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 futex.h	3.41 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hardirq.h	2.08 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 hugetlb.h	2.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hw_breakpoint.h	4.46 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hwcap.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 hypervisor.h	144 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 insn.h	16.03 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 io.h	7.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 irq.h	307 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irq_work.h	228 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 irqflags.h	2.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 jump_label.h	1.68 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kasan.h	1.16 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kernel-pgtable.h	4.03 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kexec.h	2.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kgdb.h	3.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kprobes.h	1.74 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_arm.h	8.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_asm.h	4.26 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_coproc.h	2.04 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_emulate.h	10.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_host.h	15.73 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_hyp.h	5.79 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 kvm_mmio.h	1.3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 kvm_mmu.h	11.72 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 linkage.h	114 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 lse.h	1.26 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 memblock.h	720 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 memory.h	9.16 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu.h	2.76 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmu_context.h	6.35 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 mmzone.h	266 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 module.h	2.8 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 neon.h	815 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 numa.h	1.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 page-def.h	1.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 page.h	1.61 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 paravirt.h	458 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 pci.h	878 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 percpu.h	7.48 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 perf_event.h	3.17 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgalloc.h	3.71 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable-hwdef.h	9.4 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-prot.h	4.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 pgtable-types.h	1.84 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 pgtable.h	21.55 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 probes.h	1022 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 proc-fns.h	1.21 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 processor.h	6.52 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 ptdump.h	1.42 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 ptrace.h	9 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 sdei.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 seccomp.h	714 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 sections.h	1.46 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 shmparam.h	965 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 signal32.h	1.45 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 simd.h	1.39 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 smp.h	4.23 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 smp_plat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sparsemem.h	771 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 spinlock.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 spinlock_types.h	1.06 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stack_pointer.h	247 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 stackprotector.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stacktrace.h	2.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 stage2_pgtable-nopmd.h	1.3 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable-nopud.h	1.24 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stage2_pgtable.h	4.89 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 stat.h	1.43 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 string.h	2.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 suspend.h	1.65 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sync_bitops.h	1.11 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 syscall.h	2.87 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 sysreg.h	25.1 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 system_misc.h	1.86 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 thread_info.h	3.93 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 timex.h	883 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 tlb.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 tlbflush.h	5.38 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 topology.h	1.29 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 traps.h	3.33 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 uaccess.h	12.01 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 unistd.h	1.6 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 unistd32.h	27.53 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 uprobes.h	777 bytes	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso.h	1.09 KB	01/28/2018 09:20:33 PM	rw-r--r--
📄 vdso_datapage.h	1.53 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vectors.h	1.75 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 virt.h	3 KB	06/16/2023 05:32:39 PM	rw-r--r--
📄 vmap_stack.h	769 bytes	06/16/2023 05:32:39 PM	rw-r--r--
📄 word-at-a-time.h	2.22 KB	06/16/2023 05:32:39 PM	rw-r--r--
📁 xen	-	05/09/2024 07:14:16 AM	rwxr-xr-x

Editing: ptrace.h

/*
 * Based on arch/arm/include/asm/ptrace.h
 *
 * Copyright (C) 1996-2003 Russell King
 * Copyright (C) 2012 ARM Ltd.
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __ASM_PTRACE_H
#define __ASM_PTRACE_H

#include <uapi/asm/ptrace.h>

/* Current Exception Level values, as contained in CurrentEL */
#define CurrentEL_EL1		(1 << 2)
#define CurrentEL_EL2		(2 << 2)

/* AArch32-specific ptrace requests */
#define COMPAT_PTRACE_GETREGS		12
#define COMPAT_PTRACE_SETREGS		13
#define COMPAT_PTRACE_GET_THREAD_AREA	22
#define COMPAT_PTRACE_SET_SYSCALL	23
#define COMPAT_PTRACE_GETVFPREGS	27
#define COMPAT_PTRACE_SETVFPREGS	28
#define COMPAT_PTRACE_GETHBPREGS	29
#define COMPAT_PTRACE_SETHBPREGS	30

/* SPSR_ELx bits for exceptions taken from AArch32 */
#define PSR_AA32_MODE_MASK	0x0000001f
#define PSR_AA32_MODE_USR	0x00000010
#define PSR_AA32_MODE_FIQ	0x00000011
#define PSR_AA32_MODE_IRQ	0x00000012
#define PSR_AA32_MODE_SVC	0x00000013
#define PSR_AA32_MODE_ABT	0x00000017
#define PSR_AA32_MODE_HYP	0x0000001a
#define PSR_AA32_MODE_UND	0x0000001b
#define PSR_AA32_MODE_SYS	0x0000001f
#define PSR_AA32_T_BIT		0x00000020
#define PSR_AA32_F_BIT		0x00000040
#define PSR_AA32_I_BIT		0x00000080
#define PSR_AA32_A_BIT		0x00000100
#define PSR_AA32_E_BIT		0x00000200
#define PSR_AA32_SSBS_BIT	0x00800000
#define PSR_AA32_DIT_BIT	0x01000000
#define PSR_AA32_Q_BIT		0x08000000
#define PSR_AA32_V_BIT		0x10000000
#define PSR_AA32_C_BIT		0x20000000
#define PSR_AA32_Z_BIT		0x40000000
#define PSR_AA32_N_BIT		0x80000000
#define PSR_AA32_IT_MASK	0x0600fc00	/* If-Then execution state mask */
#define PSR_AA32_GE_MASK	0x000f0000

#ifdef CONFIG_CPU_BIG_ENDIAN
#define PSR_AA32_ENDSTATE	PSR_AA32_E_BIT
#else
#define PSR_AA32_ENDSTATE	0
#endif

/* AArch32 CPSR bits, as seen in AArch32 */
#define COMPAT_PSR_MODE_MASK	0x0000001f
#define COMPAT_PSR_MODE_USR	0x00000010
#define COMPAT_PSR_MODE_FIQ	0x00000011
#define COMPAT_PSR_MODE_IRQ	0x00000012
#define COMPAT_PSR_MODE_SVC	0x00000013
#define COMPAT_PSR_MODE_ABT	0x00000017
#define COMPAT_PSR_MODE_HYP	0x0000001a
#define COMPAT_PSR_MODE_UND	0x0000001b
#define COMPAT_PSR_MODE_SYS	0x0000001f
#define COMPAT_PSR_T_BIT	0x00000020
#define COMPAT_PSR_F_BIT	0x00000040
#define COMPAT_PSR_I_BIT	0x00000080
#define COMPAT_PSR_A_BIT	0x00000100
#define COMPAT_PSR_E_BIT	0x00000200
#define COMPAT_PSR_DIT_BIT	0x00200000
#define COMPAT_PSR_J_BIT	0x01000000
#define COMPAT_PSR_Q_BIT	0x08000000
#define COMPAT_PSR_V_BIT	0x10000000
#define COMPAT_PSR_C_BIT	0x20000000
#define COMPAT_PSR_Z_BIT	0x40000000
#define COMPAT_PSR_N_BIT	0x80000000
#define COMPAT_PSR_IT_MASK	0x0600fc00	/* If-Then execution state mask */
#define COMPAT_PSR_GE_MASK	0x000f0000

#ifdef CONFIG_CPU_BIG_ENDIAN
#define COMPAT_PSR_ENDSTATE	COMPAT_PSR_E_BIT
#else
#define COMPAT_PSR_ENDSTATE	0
#endif

/*
 * These are 'magic' values for PTRACE_PEEKUSR that return info about where a
 * process is located in memory.
 */
#define COMPAT_PT_TEXT_ADDR		0x10000
#define COMPAT_PT_DATA_ADDR		0x10004
#define COMPAT_PT_TEXT_END_ADDR		0x10008

/*
 * If pt_regs.syscallno == NO_SYSCALL, then the thread is not executing
 * a syscall -- i.e., its most recent entry into the kernel from
 * userspace was not via SVC, or otherwise a tracer cancelled the syscall.
 *
 * This must have the value -1, for ABI compatibility with ptrace etc.
 */
#define NO_SYSCALL (-1)

#ifndef __ASSEMBLY__
#include <linux/bug.h>
#include <linux/types.h>

/* sizeof(struct user) for AArch32 */
#define COMPAT_USER_SZ	296

/* Architecturally defined mapping between AArch32 and AArch64 registers */
#define compat_usr(x)	regs[(x)]
#define compat_fp	regs[11]
#define compat_sp	regs[13]
#define compat_lr	regs[14]
#define compat_sp_hyp	regs[15]
#define compat_lr_irq	regs[16]
#define compat_sp_irq	regs[17]
#define compat_lr_svc	regs[18]
#define compat_sp_svc	regs[19]
#define compat_lr_abt	regs[20]
#define compat_sp_abt	regs[21]
#define compat_lr_und	regs[22]
#define compat_sp_und	regs[23]
#define compat_r8_fiq	regs[24]
#define compat_r9_fiq	regs[25]
#define compat_r10_fiq	regs[26]
#define compat_r11_fiq	regs[27]
#define compat_r12_fiq	regs[28]
#define compat_sp_fiq	regs[29]
#define compat_lr_fiq	regs[30]

static inline unsigned long compat_psr_to_pstate(const unsigned long psr)
{
	unsigned long pstate;

pstate = psr & ~COMPAT_PSR_DIT_BIT;

if (psr & COMPAT_PSR_DIT_BIT)
		pstate |= PSR_AA32_DIT_BIT;

return pstate;
}

static inline unsigned long pstate_to_compat_psr(const unsigned long pstate)
{
	unsigned long psr;

psr = pstate & ~PSR_AA32_DIT_BIT;

if (pstate & PSR_AA32_DIT_BIT)
		psr |= COMPAT_PSR_DIT_BIT;

return psr;
}

/*
 * This struct defines the way the registers are stored on the stack during an
 * exception. Note that sizeof(struct pt_regs) has to be a multiple of 16 (for
 * stack alignment). struct user_pt_regs must form a prefix of struct pt_regs.
 */
struct pt_regs {
	union {
		struct user_pt_regs user_regs;
		struct {
			u64 regs[31];
			u64 sp;
			u64 pc;
			u64 pstate;
		};
	};
	u64 orig_x0;
#ifdef __AARCH64EB__
	u32 unused2;
	s32 syscallno;
#else
	s32 syscallno;
	u32 unused2;
#endif

u64 orig_addr_limit;
	u64 unused;	// maintain 16 byte alignment
	u64 stackframe[2];
};

static inline bool in_syscall(struct pt_regs const *regs)
{
	return regs->syscallno != NO_SYSCALL;
}

static inline void forget_syscall(struct pt_regs *regs)
{
	regs->syscallno = NO_SYSCALL;
}

#define MAX_REG_OFFSET offsetof(struct pt_regs, pstate)

#define arch_has_single_step()	(1)

#ifdef CONFIG_COMPAT
#define compat_thumb_mode(regs) \
	(((regs)->pstate & COMPAT_PSR_T_BIT))
#else
#define compat_thumb_mode(regs) (0)
#endif

#define user_mode(regs)	\
	(((regs)->pstate & PSR_MODE_MASK) == PSR_MODE_EL0t)

#define compat_user_mode(regs)	\
	(((regs)->pstate & (PSR_MODE32_BIT | PSR_MODE_MASK)) == \
	 (PSR_MODE32_BIT | PSR_MODE_EL0t))

#define processor_mode(regs) \
	((regs)->pstate & PSR_MODE_MASK)

#define interrupts_enabled(regs) \
	(!((regs)->pstate & PSR_I_BIT))

#define fast_interrupts_enabled(regs) \
	(!((regs)->pstate & PSR_F_BIT))

#define GET_USP(regs) \
	(!compat_user_mode(regs) ? (regs)->sp : (regs)->compat_sp)

#define SET_USP(ptregs, value) \
	(!compat_user_mode(regs) ? ((regs)->sp = value) : ((regs)->compat_sp = value))

extern int regs_query_register_offset(const char *name);
extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
					       unsigned int n);

/**
 * regs_get_register() - get register value from its offset
 * @regs:	pt_regs from which register value is gotten
 * @offset:	offset of the register.
 *
 * regs_get_register returns the value of a register whose offset from @regs.
 * The @offset is the offset of the register in struct pt_regs.
 * If @offset is bigger than MAX_REG_OFFSET, this returns 0.
 */
static inline u64 regs_get_register(struct pt_regs *regs, unsigned int offset)
{
	u64 val = 0;

WARN_ON(offset & 7);

offset >>= 3;
	switch (offset) {
	case 0 ... 30:
		val = regs->regs[offset];
		break;
	case offsetof(struct pt_regs, sp) >> 3:
		val = regs->sp;
		break;
	case offsetof(struct pt_regs, pc) >> 3:
		val = regs->pc;
		break;
	case offsetof(struct pt_regs, pstate) >> 3:
		val = regs->pstate;
		break;
	default:
		val = 0;
	}

return val;
}

/*
 * Read a register given an architectural register index r.
 * This handles the common case where 31 means XZR, not SP.
 */
static inline unsigned long pt_regs_read_reg(const struct pt_regs *regs, int r)
{
	return (r == 31) ? 0 : regs->regs[r];
}

/*
 * Write a register given an architectural register index r.
 * This handles the common case where 31 means XZR, not SP.
 */
static inline void pt_regs_write_reg(struct pt_regs *regs, int r,
				     unsigned long val)
{
	if (r != 31)
		regs->regs[r] = val;
}

/* Valid only for Kernel mode traps. */
static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
	return regs->sp;
}

static inline unsigned long regs_return_value(struct pt_regs *regs)
{
	return regs->regs[0];
}

/* We must avoid circular header include via sched.h */
struct task_struct;
int valid_user_regs(struct user_pt_regs *regs, struct task_struct *task);

#define GET_IP(regs)		((unsigned long)(regs)->pc)
#define SET_IP(regs, value)	((regs)->pc = ((u64) (value)))

#define GET_FP(ptregs)		((unsigned long)(ptregs)->regs[29])
#define SET_FP(ptregs, value)	((ptregs)->regs[29] = ((u64) (value)))

#include <asm-generic/ptrace.h>

#define procedure_link_pointer(regs)	((regs)->regs[30])

static inline void procedure_link_pointer_set(struct pt_regs *regs,
					   unsigned long val)
{
	procedure_link_pointer(regs) = val;
}

#undef profile_pc
extern unsigned long profile_pc(struct pt_regs *regs);

#endif /* __ASSEMBLY__ */
#endif