tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
4 */
5
6#ifndef __UM_PTRACE_I386_H
7#define __UM_PTRACE_I386_H
8
9#define HOST_AUDIT_ARCH AUDIT_ARCH_I386
10
11#include "linux/compiler.h"
12#include "sysdep/ptrace.h"
13#include "asm/ptrace-generic.h"
14#include "asm/host_ldt.h"
15#include "choose-mode.h"
16
17#define PT_REGS_EAX(r) UPT_EAX(&(r)->regs)
18#define PT_REGS_EBX(r) UPT_EBX(&(r)->regs)
19#define PT_REGS_ECX(r) UPT_ECX(&(r)->regs)
20#define PT_REGS_EDX(r) UPT_EDX(&(r)->regs)
21#define PT_REGS_ESI(r) UPT_ESI(&(r)->regs)
22#define PT_REGS_EDI(r) UPT_EDI(&(r)->regs)
23#define PT_REGS_EBP(r) UPT_EBP(&(r)->regs)
24
25#define PT_REGS_CS(r) UPT_CS(&(r)->regs)
26#define PT_REGS_SS(r) UPT_SS(&(r)->regs)
27#define PT_REGS_DS(r) UPT_DS(&(r)->regs)
28#define PT_REGS_ES(r) UPT_ES(&(r)->regs)
29#define PT_REGS_FS(r) UPT_FS(&(r)->regs)
30#define PT_REGS_GS(r) UPT_GS(&(r)->regs)
31
32#define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
33
34#define PT_REGS_ORIG_SYSCALL(r) PT_REGS_EAX(r)
35#define PT_REGS_SYSCALL_RET(r) PT_REGS_EAX(r)
36#define PT_FIX_EXEC_STACK(sp) do ; while(0)
37
38/* Cope with a conditional i386 definition. */
39#undef profile_pc
40#define profile_pc(regs) PT_REGS_IP(regs)
41
42#define user_mode(r) UPT_IS_USER(&(r)->regs)
43
44extern int ptrace_get_thread_area(struct task_struct *child, int idx,
45 struct user_desc __user *user_desc);
46
47extern int ptrace_set_thread_area(struct task_struct *child, int idx,
48 struct user_desc __user *user_desc);
49
50extern int do_set_thread_area_skas(struct user_desc *info);
51extern int do_get_thread_area_skas(struct user_desc *info);
52
53extern int do_set_thread_area_tt(struct user_desc *info);
54extern int do_get_thread_area_tt(struct user_desc *info);
55
56extern int arch_switch_tls_skas(struct task_struct *from, struct task_struct *to);
57extern int arch_switch_tls_tt(struct task_struct *from, struct task_struct *to);
58
59extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
60extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
61
62static inline int do_get_thread_area(struct user_desc *info)
63{
64 return CHOOSE_MODE_PROC(do_get_thread_area_tt, do_get_thread_area_skas, info);
65}
66
67static inline int do_set_thread_area(struct user_desc *info)
68{
69 return CHOOSE_MODE_PROC(do_set_thread_area_tt, do_set_thread_area_skas, info);
70}
71
72struct task_struct;
73
74#endif