2017-07-11 09:07:09 +08:00
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/*
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* Copyright (C) 2012 Regents of the University of California
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ASM_RISCV_PTRACE_H
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#define _ASM_RISCV_PTRACE_H
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#include <uapi/asm/ptrace.h>
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#include <asm/csr.h>
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#ifndef __ASSEMBLY__
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struct pt_regs {
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unsigned long sepc;
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unsigned long ra;
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unsigned long sp;
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unsigned long gp;
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unsigned long tp;
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unsigned long t0;
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unsigned long t1;
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unsigned long t2;
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unsigned long s0;
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unsigned long s1;
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unsigned long a0;
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unsigned long a1;
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unsigned long a2;
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unsigned long a3;
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unsigned long a4;
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unsigned long a5;
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unsigned long a6;
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unsigned long a7;
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unsigned long s2;
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unsigned long s3;
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unsigned long s4;
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unsigned long s5;
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unsigned long s6;
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unsigned long s7;
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unsigned long s8;
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unsigned long s9;
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unsigned long s10;
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unsigned long s11;
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unsigned long t3;
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unsigned long t4;
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unsigned long t5;
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unsigned long t6;
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/* Supervisor CSRs */
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unsigned long sstatus;
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unsigned long sbadaddr;
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unsigned long scause;
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/* a0 value before the syscall */
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unsigned long orig_a0;
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};
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#ifdef CONFIG_64BIT
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#define REG_FMT "%016lx"
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#else
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#define REG_FMT "%08lx"
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#endif
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2018-01-05 01:35:03 +08:00
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#define user_mode(regs) (((regs)->sstatus & SR_SPP) == 0)
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2017-07-11 09:07:09 +08:00
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/* Helpers for working with the instruction pointer */
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#define GET_IP(regs) ((regs)->sepc)
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#define SET_IP(regs, val) (GET_IP(regs) = (val))
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static inline unsigned long instruction_pointer(struct pt_regs *regs)
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{
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return GET_IP(regs);
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}
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static inline void instruction_pointer_set(struct pt_regs *regs,
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unsigned long val)
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{
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SET_IP(regs, val);
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}
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#define profile_pc(regs) instruction_pointer(regs)
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/* Helpers for working with the user stack pointer */
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#define GET_USP(regs) ((regs)->sp)
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#define SET_USP(regs, val) (GET_USP(regs) = (val))
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static inline unsigned long user_stack_pointer(struct pt_regs *regs)
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{
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return GET_USP(regs);
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}
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static inline void user_stack_pointer_set(struct pt_regs *regs,
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unsigned long val)
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{
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SET_USP(regs, val);
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}
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/* Helpers for working with the frame pointer */
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#define GET_FP(regs) ((regs)->s0)
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#define SET_FP(regs, val) (GET_FP(regs) = (val))
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static inline unsigned long frame_pointer(struct pt_regs *regs)
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{
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return GET_FP(regs);
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}
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static inline void frame_pointer_set(struct pt_regs *regs,
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unsigned long val)
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{
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SET_FP(regs, val);
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}
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_RISCV_PTRACE_H */
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