107 строки
2.1 KiB
C
107 строки
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2012 Regents of the University of California
|
|
*/
|
|
|
|
#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 epc;
|
|
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/Machine CSRs */
|
|
unsigned long status;
|
|
unsigned long badaddr;
|
|
unsigned long cause;
|
|
/* 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)->status & SR_PP) == 0)
|
|
|
|
|
|
/* Helpers for working with the instruction pointer */
|
|
static inline unsigned long instruction_pointer(struct pt_regs *regs)
|
|
{
|
|
return regs->epc;
|
|
}
|
|
static inline void instruction_pointer_set(struct pt_regs *regs,
|
|
unsigned long val)
|
|
{
|
|
regs->epc = val;
|
|
}
|
|
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
|
|
/* Helpers for working with the user stack pointer */
|
|
static inline unsigned long user_stack_pointer(struct pt_regs *regs)
|
|
{
|
|
return regs->sp;
|
|
}
|
|
static inline void user_stack_pointer_set(struct pt_regs *regs,
|
|
unsigned long val)
|
|
{
|
|
regs->sp = val;
|
|
}
|
|
|
|
/* Helpers for working with the frame pointer */
|
|
static inline unsigned long frame_pointer(struct pt_regs *regs)
|
|
{
|
|
return regs->s0;
|
|
}
|
|
static inline void frame_pointer_set(struct pt_regs *regs,
|
|
unsigned long val)
|
|
{
|
|
regs->s0 = val;
|
|
}
|
|
|
|
static inline unsigned long regs_return_value(struct pt_regs *regs)
|
|
{
|
|
return regs->a0;
|
|
}
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_RISCV_PTRACE_H */
|