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
20 #define force_successful_syscall_return() (current_pt_regs()->r0 = 0)
21
22 static inline unsigned long regs_return_value(struct pt_regs *regs)
23 {
24 return regs->r0;
25 }
26
27 #endif
28
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