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 arch_has_single_step()  (1)
  20
  21 #define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
  22
  23 #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
  24 #define PT_REGS_SP(r) UPT_SP(&(r)->regs)
  25
  26 #define PT_REG(r, reg) UPT_REG(&(r)->regs, reg)
  27 #define PT_REGS_SET(r, reg, val) UPT_SET(&(r)->regs, reg, val)
  28
  29 #define PT_REGS_SET_SYSCALL_RETURN(r, res) \
  30         UPT_SET_SYSCALL_RETURN(&(r)->regs, res)
  31 #define PT_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
  32
  33 #define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
  34
  35 #define PT_REGS_SC(r) UPT_SC(&(r)->regs)
  36
  37 #define instruction_pointer(regs) PT_REGS_IP(regs)
  38
  39 struct task_struct;
  40
  41 extern long subarch_ptrace(struct task_struct *child, long request,
  42         unsigned long addr, unsigned long data);
  43 extern unsigned long getreg(struct task_struct *child, int regno);
  44 extern int putreg(struct task_struct *child, int regno, unsigned long value);
  45
  46 extern int arch_copy_tls(struct task_struct *new);
  47 extern void clear_flushed_tls(struct task_struct *task);
  48
  49 #endif
  50
  51 #endif