1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_X86_PTRACE_H
#define __UM_X86_PTRACE_H
#include <linux/compiler.h>
#ifndef CONFIG_X86_32
#define __FRAME_OFFSETS /* Needed to get the R* macros */
#endif
#include <asm/ptrace-generic.h>
#define user_mode(r) UPT_IS_USER(&(r)->regs)
#define PT_REGS_AX(r) UPT_AX(&(r)->regs)
#define PT_REGS_BX(r) UPT_BX(&(r)->regs)
#define PT_REGS_CX(r) UPT_CX(&(r)->regs)
#define PT_REGS_DX(r) UPT_DX(&(r)->regs)
#define PT_REGS_SI(r) UPT_SI(&(r)->regs)
#define PT_REGS_DI(r) UPT_DI(&(r)->regs)
#define PT_REGS_BP(r) UPT_BP(&(r)->regs)
#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_AX(r)
#define PT_REGS_SYSCALL_RET(r) PT_REGS_AX(r)
#define PT_FIX_EXEC_STACK(sp) do ; while(0)
#define profile_pc(regs) PT_REGS_IP(regs)
#define UPT_RESTART_SYSCALL(r) (UPT_IP(r) -= 2)
#define PT_REGS_SET_SYSCALL_RETURN(r, res) (PT_REGS_AX(r) = (res))
static inline long regs_return_value(struct pt_regs *regs)
{
return PT_REGS_AX(regs);
}
/*
* Forward declaration to avoid including sysdep/tls.h, which causes a
* circular include, and compilation failures.
*/
struct user_desc;
#ifdef CONFIG_X86_32
extern int ptrace_get_thread_area(struct task_struct *child, int idx,
struct user_desc __user *user_desc);
extern int ptrace_set_thread_area(struct task_struct *child, int idx,
struct user_desc __user *user_desc);
#else
#define PT_REGS_R8(r) UPT_R8(&(r)->regs)
#define PT_REGS_R9(r) UPT_R9(&(r)->regs)
#define PT_REGS_R10(r) UPT_R10(&(r)->regs)
#define PT_REGS_R11(r) UPT_R11(&(r)->regs)
#define PT_REGS_R12(r) UPT_R12(&(r)->regs)
#define PT_REGS_R13(r) UPT_R13(&(r)->regs)
#define PT_REGS_R14(r) UPT_R14(&(r)->regs)
#define PT_REGS_R15(r) UPT_R15(&(r)->regs)
#include <asm/errno.h>
static inline int ptrace_get_thread_area(struct task_struct *child, int idx,
struct user_desc __user *user_desc)
{
return -ENOSYS;
}
static inline int ptrace_set_thread_area(struct task_struct *child, int idx,
struct user_desc __user *user_desc)
{
return -ENOSYS;
}
extern long arch_prctl(struct task_struct *task, int option,
unsigned long __user *addr);
#endif
#define user_stack_pointer(regs) PT_REGS_SP(regs)
#endif /* __UM_X86_PTRACE_H */
|
