/* 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 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 */ static inline unsigned long instruction_pointer(struct pt_regs *regs) { return regs->sepc; } static inline void instruction_pointer_set(struct pt_regs *regs, unsigned long val) { regs->sepc = 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 */