1 //===-- MachVMRegion.h ------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Created by Greg Clayton on 6/26/07.
12 //===----------------------------------------------------------------------===//
14 #ifndef __MachVMRegion_h__
15 #define __MachVMRegion_h__
19 #include <mach/mach.h>
23 MachVMRegion(task_t task);
27 mach_vm_address_t StartAddress() const { return m_start; }
28 mach_vm_address_t EndAddress() const { return m_start + m_size; }
29 mach_vm_size_t GetByteSize() const { return m_size; }
30 mach_vm_address_t BytesRemaining(mach_vm_address_t addr) const {
31 if (ContainsAddress(addr))
32 return m_size - (addr - m_start);
36 bool ContainsAddress(mach_vm_address_t addr) const {
37 return addr >= StartAddress() && addr < EndAddress();
40 bool SetProtections(mach_vm_address_t addr, mach_vm_size_t size,
42 bool RestoreProtections();
43 bool GetRegionForAddress(nub_addr_t addr);
45 uint32_t GetDNBPermissions() const;
47 const DNBError &GetError() { return m_err; }
50 #if defined(VM_REGION_SUBMAP_SHORT_INFO_COUNT_64)
51 typedef vm_region_submap_short_info_data_64_t RegionInfo;
52 enum { kRegionInfoSize = VM_REGION_SUBMAP_SHORT_INFO_COUNT_64 };
54 typedef vm_region_submap_info_data_64_t RegionInfo;
55 enum { kRegionInfoSize = VM_REGION_SUBMAP_INFO_COUNT_64 };
59 mach_vm_address_t m_addr;
61 mach_vm_address_t m_start;
62 mach_vm_size_t m_size;
65 vm_prot_t m_curr_protection; // The current, possibly modified protections.
66 // Original value is saved in m_data.protections.
68 m_protection_addr; // The start address at which protections were changed
70 m_protection_size; // The size of memory that had its protections changed
73 #endif // #ifndef __MachVMRegion_h__