arch/um/include/asm/ptrace-generic.h

   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 EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
  20
  21 #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
  22 #define PT_REGS_SP(r) UPT_SP(&(r)->regs)
  23
  24 #define PT_REG(r, reg) UPT_REG(&(r)->regs, reg)
  25 #define PT_REGS_SET(r, reg, val) UPT_SET(&(r)->regs, reg, val)
  26
  27 #define PT_REGS_SET_SYSCALL_RETURN(r, res) \
  28         UPT_SET_SYSCALL_RETURN(&(r)->regs, res)
  29 #define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
  30
  31 #define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
  32
  33 #define PT_REGS_SC(r) UPT_SC(&(r)->regs)
  34
  35 #define instruction_pointer(regs) PT_REGS_IP(regs)
  36
  37 struct task_struct;
  38
  39 extern long subarch_ptrace(struct task_struct *child, long request, long addr,
  40                            long data);
  41 extern unsigned long getreg(struct task_struct *child, int regno);
  42 extern int putreg(struct task_struct *child, int regno, unsigned long value);
  43 extern int get_fpregs(struct user_i387_struct __user *buf,
  44                       struct task_struct *child);
  45 extern int set_fpregs(struct user_i387_struct __user *buf,
  46                       struct task_struct *child);
  47
  48 extern void show_regs(struct pt_regs *regs);
  49
  50 extern int arch_copy_tls(struct task_struct *new);
  51 extern void clear_flushed_tls(struct task_struct *task);
  52
  53 #endif
  54
  55 #endif