1 /*
2  * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
3  * Licensed under the GPL
4  */
5 
6 #ifndef __UM_PTRACE_GENERIC_H
7 #define __UM_PTRACE_GENERIC_H
8 
9 #ifndef __ASSEMBLY__
10 
11 #include <asm/ptrace-abi.h>
12 #include <asm/user.h>
13 #include "sysdep/ptrace.h"
14 
15 struct pt_regs {
16 	struct uml_pt_regs regs;
17 };
18 
19 #define arch_has_single_step()	(1)
20 
21 #define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
22 
23 #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
24 #define PT_REGS_SP(r) UPT_SP(&(r)->regs)
25 
26 #define PT_REG(r, reg) UPT_REG(&(r)->regs, reg)
27 #define PT_REGS_SET(r, reg, val) UPT_SET(&(r)->regs, reg, val)
28 
29 #define PT_REGS_SET_SYSCALL_RETURN(r, res) \
30 	UPT_SET_SYSCALL_RETURN(&(r)->regs, res)
31 #define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
32 
33 #define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
34 
35 #define PT_REGS_SC(r) UPT_SC(&(r)->regs)
36 
37 #define instruction_pointer(regs) PT_REGS_IP(regs)
38 
39 struct task_struct;
40 
41 extern long subarch_ptrace(struct task_struct *child, long request,
42 	unsigned long addr, unsigned long data);
43 extern unsigned long getreg(struct task_struct *child, int regno);
44 extern int putreg(struct task_struct *child, int regno, unsigned long value);
45 extern int get_fpregs(struct user_i387_struct __user *buf,
46 		      struct task_struct *child);
47 extern int set_fpregs(struct user_i387_struct __user *buf,
48 		      struct task_struct *child);
49 
50 extern void show_regs(struct pt_regs *regs);
51 
52 extern int arch_copy_tls(struct task_struct *new);
53 extern void clear_flushed_tls(struct task_struct *task);
54 
55 #endif
56 
57 #endif
58