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 <sysdep/ptrace.h>
  12
  13 struct pt_regs {
  14         struct uml_pt_regs regs;
  15 };
  16
  17 #define arch_has_single_step()  (1)
  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_REGS_RESTART_SYSCALL(r) UPT_RESTART_SYSCALL(&(r)->regs)
  25
  26 #define PT_REGS_SYSCALL_NR(r) UPT_SYSCALL_NR(&(r)->regs)
  27
  28 #define instruction_pointer(regs) PT_REGS_IP(regs)
  29
  30 struct task_struct;
  31
  32 extern long subarch_ptrace(struct task_struct *child, long request,
  33         unsigned long addr, unsigned long data);
  34 extern unsigned long getreg(struct task_struct *child, int regno);
  35 extern int putreg(struct task_struct *child, int regno, unsigned long value);
  36
  37 extern int arch_copy_tls(struct task_struct *new);
  38 extern void clear_flushed_tls(struct task_struct *task);
  39 extern int syscall_trace_enter(struct pt_regs *regs);
  40 extern void syscall_trace_leave(struct pt_regs *regs);
  41
  42 #endif
  43
  44 #endif