arch/um/sys-x86_64/shared/sysdep/vm-flags.h

   1 /*
   2  * Copyright (C) 2004 Jeff Dike (jdike@addtoit.com)
   3  * Copyright 2003 PathScale, Inc.
   4  * Licensed under the GPL
   5  */
   6
   7 #ifndef __VM_FLAGS_X86_64_H
   8 #define __VM_FLAGS_X86_64_H
   9
  10 #define __VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
  11                                  VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
  12 #define __VM_STACK_FLAGS        (VM_GROWSDOWN | VM_READ | VM_WRITE | \
  13                                  VM_EXEC | VM_MAYREAD | VM_MAYWRITE | \
  14                                  VM_MAYEXEC)
  15
  16 extern unsigned long vm_stack_flags, vm_stack_flags32;
  17 extern unsigned long vm_data_default_flags, vm_data_default_flags32;
  18 extern unsigned long vm_force_exec32;
  19
  20 #ifdef TIF_IA32
  21 #define VM_DATA_DEFAULT_FLAGS \
  22         (test_thread_flag(TIF_IA32) ? vm_data_default_flags32 : \
  23           vm_data_default_flags)
  24
  25 #define VM_STACK_DEFAULT_FLAGS \
  26         (test_thread_flag(TIF_IA32) ? vm_stack_flags32 : vm_stack_flags)
  27 #endif
  28
  29 #define VM_DATA_DEFAULT_FLAGS vm_data_default_flags
  30
  31 #define VM_STACK_DEFAULT_FLAGS vm_stack_flags
  32
  33 #endif