Release 4.18 arch/riscv/include/asm/ptrace.h

/*
 * Copyright (C) 2012 Regents of the University of California
 *
 *   This program is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU General Public License
 *   as published by the Free Software Foundation, version 2.
 *
 *   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.
 */

#ifndef _ASM_RISCV_PTRACE_H

#define _ASM_RISCV_PTRACE_H

#include <uapi/asm/ptrace.h>
#include <asm/csr.h>

#ifndef __ASSEMBLY__


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;
        /* a0 value before the syscall */
        
unsigned long orig_a0;
};

#ifdef CONFIG_64BIT

#define REG_FMT "%016lx"
#else

#define REG_FMT "%08lx"
#endif


#define user_mode(regs) (((regs)->sstatus & SR_SPP) == 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);
}
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static inline void instruction_pointer_set(struct pt_regs *regs,
					   unsigned long val)
{
	SET_IP(regs, val);
}

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#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);
}
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static inline void user_stack_pointer_set(struct pt_regs *regs,
					  unsigned long val)
{
	SET_USP(regs, val);
}

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/* 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);
}
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static inline void frame_pointer_set(struct pt_regs *regs,
				     unsigned long val)
{
	SET_FP(regs, val);
}

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#endif /* __ASSEMBLY__ */

#endif /* _ASM_RISCV_PTRACE_H */
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Directory: arch/riscv/include/asm

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