1  /* SPDX-License-Identifier: GPL-2.0 */
2  /*
3   * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4   */
5  
6  #ifndef __UM_PTRACE_GENERIC_H
7  #define __UM_PTRACE_GENERIC_H
8  
9  #ifndef __ASSEMBLY__
10  
11  #include <sysdep/ptrace.h>
12  
13  struct pt_regs {
14  	struct uml_pt_regs regs;
15  };
16  
17  #define arch_has_single_step()	(1)
18  
19  #define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
20  
21  #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
22  #define PT_REGS_SP(r) UPT_SP(&(r)->regs)
23  
24  #define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
25  
26  #define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
27  
28  #define instruction_pointer(regs) PT_REGS_IP(regs)
29  
30  #define PTRACE_OLDSETOPTIONS 21
31  
32  struct task_struct;
33  
34  extern long subarch_ptrace(struct task_struct *child, long request,
35  	unsigned long addr, unsigned long data);
36  extern unsigned long getreg(struct task_struct *child, int regno);
37  extern int putreg(struct task_struct *child, int regno, unsigned long value);
38  
39  extern int poke_user(struct task_struct *child, long addr, long data);
40  extern int peek_user(struct task_struct *child, long addr, long data);
41  
42  extern int arch_set_tls(struct task_struct *new, unsigned long tls);
43  extern void clear_flushed_tls(struct task_struct *task);
44  extern int syscall_trace_enter(struct pt_regs *regs);
45  extern void syscall_trace_leave(struct pt_regs *regs);
46  
47  #endif
48  
49  #endif
50