124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===-- MachVMRegion.h ------------------------------------------*- C++ -*-===// 224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// The LLVM Compiler Infrastructure 424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// This file is distributed under the University of Illinois Open Source 624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// License. See LICENSE.TXT for details. 724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===----------------------------------------------------------------------===// 924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 1024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// Created by Greg Clayton on 6/26/07. 1124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner// 1224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner//===----------------------------------------------------------------------===// 1324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#ifndef __MachVMRegion_h__ 1524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#define __MachVMRegion_h__ 1624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 1724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include "DNBDefs.h" 1824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include "DNBError.h" 1924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#include <mach/mach.h> 2024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 2124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerclass MachVMRegion 2224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner{ 2324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerpublic: 2424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner MachVMRegion(task_t task); 2524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner ~MachVMRegion(); 2624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 2724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner void Clear(); 2824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t StartAddress() const { return m_start; } 2924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t EndAddress() const { return m_start + m_size; } 30a9385537809ef342c843c5ab972e513742652047Greg Clayton mach_vm_size_t GetByteSize () const { return m_size; } 3124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t BytesRemaining(mach_vm_address_t addr) const 3224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 3324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner if (ContainsAddress(addr)) 3424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return m_size - (addr - m_start); 3524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner else 3624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return 0; 3724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 3824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner bool ContainsAddress(mach_vm_address_t addr) const 3924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner { 4024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner return addr >= StartAddress() && addr < EndAddress(); 4124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner } 4224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 4324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner bool SetProtections(mach_vm_address_t addr, mach_vm_size_t size, vm_prot_t prot); 4424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner bool RestoreProtections(); 4524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner bool GetRegionForAddress(nub_addr_t addr); 46dc8ff30b6dbe28c851e99712e20c1358eca4709dJason Molenda 47a9385537809ef342c843c5ab972e513742652047Greg Clayton uint32_t 48a9385537809ef342c843c5ab972e513742652047Greg Clayton GetDNBPermissions () const; 49dc8ff30b6dbe28c851e99712e20c1358eca4709dJason Molenda 501308a9555ad586ff03c8f97bcfe7f3212d06bc86Greg Clayton const DNBError & 511308a9555ad586ff03c8f97bcfe7f3212d06bc86Greg Clayton GetError () 521308a9555ad586ff03c8f97bcfe7f3212d06bc86Greg Clayton { 531308a9555ad586ff03c8f97bcfe7f3212d06bc86Greg Clayton return m_err; 541308a9555ad586ff03c8f97bcfe7f3212d06bc86Greg Clayton } 5524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattnerprotected: 5624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#if defined (VM_REGION_SUBMAP_SHORT_INFO_COUNT_64) 5724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner typedef vm_region_submap_short_info_data_64_t RegionInfo; 5824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner enum { kRegionInfoSize = VM_REGION_SUBMAP_SHORT_INFO_COUNT_64 }; 5924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#else 6024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner typedef vm_region_submap_info_data_64_t RegionInfo; 6124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner enum { kRegionInfoSize = VM_REGION_SUBMAP_INFO_COUNT_64 }; 6224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#endif 6324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 6424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner task_t m_task; 6524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t m_addr; 6624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner DNBError m_err; 6724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t m_start; 6824943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_size_t m_size; 6924943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner natural_t m_depth; 7024943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner RegionInfo m_data; 7124943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner vm_prot_t m_curr_protection; // The current, possibly modified protections. Original value is saved in m_data.protections. 7224943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_address_t m_protection_addr; // The start address at which protections were changed 7324943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner mach_vm_size_t m_protection_size; // The size of memory that had its protections changed 7424943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 7524943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner}; 7624943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner 7724943d2ee8bfaa7cf5893e4709143924157a5c1eChris Lattner#endif // #ifndef __MachVMRegion_h__ 78