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/*
* Copyright (c) 2017 Microsemi Corporation.
* Copyright (c) 2017 Padmarao Begari <Padmarao.Begari@microsemi.com>
*
* 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 __ASM_RISCV_PTRACE_H
#define __ASM_RISCV_PTRACE_H
struct pt_regs {
unsigned long sepc;
unsigned long ra;
unsigned long sp;
unsigned long gp;
unsigned long tp;
unsigned long t0;
unsigned long t1;
unsigned long t2;
unsigned long s0;
unsigned long s1;
unsigned long a0;
unsigned long a1;
unsigned long a2;
unsigned long a3;
unsigned long a4;
unsigned long a5;
unsigned long a6;
unsigned long a7;
unsigned long s2;
unsigned long s3;
unsigned long s4;
unsigned long s5;
unsigned long s6;
unsigned long s7;
unsigned long s8;
unsigned long s9;
unsigned long s10;
unsigned long s11;
unsigned long t3;
unsigned long t4;
unsigned long t5;
unsigned long t6;
/* Supervisor CSRs */
unsigned long sstatus;
unsigned long sbadaddr;
unsigned long scause;
};
#ifdef CONFIG_64BIT
#define REG_FMT "%016lx"
#else
#define REG_FMT "%08lx"
#endif
#define user_mode(regs) (((regs)->sstatus & SR_PS) == 0)
/* Helpers for working with the instruction pointer */
#define GET_IP(regs) ((regs)->sepc)
#define SET_IP(regs, val) (GET_IP(regs) = (val))
static inline unsigned long instruction_pointer(struct pt_regs *regs)
{
return GET_IP(regs);
}
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
SET_IP(regs, val);
}
#define profile_pc(regs) instruction_pointer(regs)
/* Helpers for working with the user stack pointer */
#define GET_USP(regs) ((regs)->sp)
#define SET_USP(regs, val) (GET_USP(regs) = (val))
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
{
return GET_USP(regs);
}
static inline void user_stack_pointer_set(struct pt_regs *regs,
unsigned long val)
{
SET_USP(regs, val);
}
/* Helpers for working with the frame pointer */
#define GET_FP(regs) ((regs)->s0)
#define SET_FP(regs, val) (GET_FP(regs) = (val))
static inline unsigned long frame_pointer(struct pt_regs *regs)
{
return GET_FP(regs);
}
static inline void frame_pointer_set(struct pt_regs *regs,
unsigned long val)
{
SET_FP(regs, val);
}
#endif /* __ASM_RISCV_PTRACE_H */
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