2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #ifndef __UM_PTRACE_I386_H
7 #define __UM_PTRACE_I386_H
9 #define HOST_AUDIT_ARCH AUDIT_ARCH_I386
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"
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)
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)
32 #define PT_REGS_EFLAGS(r) UPT_EFLAGS(&(r)->regs)
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)
38 /* Cope with a conditional i386 definition. */
40 #define profile_pc(regs) PT_REGS_IP(regs)
42 #define user_mode(r) UPT_IS_USER(&(r)->regs)
44 extern int ptrace_get_thread_area(struct task_struct *child, int idx,
45 struct user_desc __user *user_desc);
47 extern int ptrace_set_thread_area(struct task_struct *child, int idx,
48 struct user_desc __user *user_desc);
50 extern int do_set_thread_area_skas(struct user_desc *info);
51 extern int do_get_thread_area_skas(struct user_desc *info);
53 extern int do_set_thread_area_tt(struct user_desc *info);
54 extern int do_get_thread_area_tt(struct user_desc *info);
56 extern int arch_switch_tls_skas(struct task_struct *from, struct task_struct *to);
57 extern int arch_switch_tls_tt(struct task_struct *from, struct task_struct *to);
59 extern void arch_switch_to_tt(struct task_struct *from, struct task_struct *to);
60 extern void arch_switch_to_skas(struct task_struct *from, struct task_struct *to);
62 static inline int do_get_thread_area(struct user_desc *info)
64 return CHOOSE_MODE_PROC(do_get_thread_area_tt, do_get_thread_area_skas, info);
67 static inline int do_set_thread_area(struct user_desc *info)
69 return CHOOSE_MODE_PROC(do_set_thread_area_tt, do_set_thread_area_skas, info);