include/asm-um/ptrace-i386.h

   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
  44 extern int ptrace_get_thread_area(struct task_struct *child, int idx,
  45                                   struct user_desc __user *user_desc);
  46
  47 extern int ptrace_set_thread_area(struct task_struct *child, int idx,
  48                                   struct user_desc __user *user_desc);
  49
  50 extern int do_set_thread_area_skas(struct user_desc *info);
  51 extern int do_get_thread_area_skas(struct user_desc *info);
  52
  53 extern int do_set_thread_area_tt(struct user_desc *info);
  54 extern int do_get_thread_area_tt(struct user_desc *info);
  55
  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);
  58
  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);
  61
  62 static 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
  67 static 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
  72 struct task_struct;
  73
  74 #endif