/* SPDX-License-Identifier: GPL-2.0 */ // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. #ifndef __ASM_CSKY_PTRACE_H #define __ASM_CSKY_PTRACE_H #include <uapi/asm/ptrace.h> #include <asm/traps.h> #include <linux/types.h> #ifndef __ASSEMBLY__ #define PS_S 0x80000000 /* Supervisor Mode */ #define arch_has_single_step() (1) #define current_pt_regs() \ ({ (struct pt_regs *)((char *)current_thread_info() + THREAD_SIZE) - 1; }) #define user_stack_pointer(regs) ((regs)->usp) #define user_mode(regs) (!((regs)->sr & PS_S)) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) static inline bool in_syscall(struct pt_regs const *regs) { return ((regs->sr >> 16) & 0xff) == VEC_TRAP0; } static inline void forget_syscall(struct pt_regs *regs) { regs->sr &= ~(0xff << 16); } static inline unsigned long regs_return_value(struct pt_regs *regs) { return regs->a0; } #endif /* __ASSEMBLY__ */ #endif /* __ASM_CSKY_PTRACE_H */