1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASMAXP_PTRACE_H 3 #define _ASMAXP_PTRACE_H 4 5 #include <uapi/asm/ptrace.h> 6 7 8 #define arch_has_single_step() (1) 9 #define user_mode(regs) (((regs)->ps & 8) != 0) 10 #define instruction_pointer(regs) ((regs)->pc) 11 #define profile_pc(regs) instruction_pointer(regs) 12 #define current_user_stack_pointer() rdusp() 13 14 #define task_pt_regs(task) \ 15 ((struct pt_regs *) (task_stack_page(task) + 2*PAGE_SIZE) - 1) 16 17 #define current_pt_regs() \ 18 ((struct pt_regs *) ((char *)current_thread_info() + 2*PAGE_SIZE) - 1) 19 #define signal_pt_regs current_pt_regs 20 21 #define force_successful_syscall_return() (current_pt_regs()->r0 = 0) 22 23 static inline unsigned long regs_return_value(struct pt_regs *regs) 24 { 25 return regs->r0; 26 } 27 28 #endif 29