1 //===-- AddressRange.cpp ----------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "lldb/Core/AddressRange.h" 10 #include "lldb/Core/Module.h" 11 #include "lldb/Target/Target.h" 12 #include "lldb/Utility/ConstString.h" 13 #include "lldb/Utility/FileSpec.h" 14 #include "lldb/Utility/Stream.h" 15 #include "lldb/lldb-defines.h" 16 17 #include "llvm/Support/Compiler.h" 18 19 #include <memory> 20 21 #include <inttypes.h> 22 23 namespace lldb_private { 24 class SectionList; 25 } 26 27 using namespace lldb; 28 using namespace lldb_private; 29 30 AddressRange::AddressRange() : m_base_addr(), m_byte_size(0) {} 31 32 AddressRange::AddressRange(addr_t file_addr, addr_t byte_size, 33 const SectionList *section_list) 34 : m_base_addr(file_addr, section_list), m_byte_size(byte_size) {} 35 36 AddressRange::AddressRange(const lldb::SectionSP §ion, addr_t offset, 37 addr_t byte_size) 38 : m_base_addr(section, offset), m_byte_size(byte_size) {} 39 40 AddressRange::AddressRange(const Address &so_addr, addr_t byte_size) 41 : m_base_addr(so_addr), m_byte_size(byte_size) {} 42 43 AddressRange::~AddressRange() {} 44 45 // bool 46 // AddressRange::Contains (const Address &addr) const 47 //{ 48 // const addr_t byte_size = GetByteSize(); 49 // if (byte_size) 50 // return addr.GetSection() == m_base_addr.GetSection() && 51 // (addr.GetOffset() - m_base_addr.GetOffset()) < byte_size; 52 //} 53 // 54 // bool 55 // AddressRange::Contains (const Address *addr) const 56 //{ 57 // if (addr) 58 // return Contains (*addr); 59 // return false; 60 //} 61 62 bool AddressRange::ContainsFileAddress(const Address &addr) const { 63 if (addr.GetSection() == m_base_addr.GetSection()) 64 return (addr.GetOffset() - m_base_addr.GetOffset()) < GetByteSize(); 65 addr_t file_base_addr = GetBaseAddress().GetFileAddress(); 66 if (file_base_addr == LLDB_INVALID_ADDRESS) 67 return false; 68 69 addr_t file_addr = addr.GetFileAddress(); 70 if (file_addr == LLDB_INVALID_ADDRESS) 71 return false; 72 73 if (file_base_addr <= file_addr) 74 return (file_addr - file_base_addr) < GetByteSize(); 75 76 return false; 77 } 78 79 bool AddressRange::ContainsFileAddress(addr_t file_addr) const { 80 if (file_addr == LLDB_INVALID_ADDRESS) 81 return false; 82 83 addr_t file_base_addr = GetBaseAddress().GetFileAddress(); 84 if (file_base_addr == LLDB_INVALID_ADDRESS) 85 return false; 86 87 if (file_base_addr <= file_addr) 88 return (file_addr - file_base_addr) < GetByteSize(); 89 90 return false; 91 } 92 93 bool AddressRange::ContainsLoadAddress(const Address &addr, 94 Target *target) const { 95 if (addr.GetSection() == m_base_addr.GetSection()) 96 return (addr.GetOffset() - m_base_addr.GetOffset()) < GetByteSize(); 97 addr_t load_base_addr = GetBaseAddress().GetLoadAddress(target); 98 if (load_base_addr == LLDB_INVALID_ADDRESS) 99 return false; 100 101 addr_t load_addr = addr.GetLoadAddress(target); 102 if (load_addr == LLDB_INVALID_ADDRESS) 103 return false; 104 105 if (load_base_addr <= load_addr) 106 return (load_addr - load_base_addr) < GetByteSize(); 107 108 return false; 109 } 110 111 bool AddressRange::ContainsLoadAddress(addr_t load_addr, Target *target) const { 112 if (load_addr == LLDB_INVALID_ADDRESS) 113 return false; 114 115 addr_t load_base_addr = GetBaseAddress().GetLoadAddress(target); 116 if (load_base_addr == LLDB_INVALID_ADDRESS) 117 return false; 118 119 if (load_base_addr <= load_addr) 120 return (load_addr - load_base_addr) < GetByteSize(); 121 122 return false; 123 } 124 125 void AddressRange::Clear() { 126 m_base_addr.Clear(); 127 m_byte_size = 0; 128 } 129 130 bool AddressRange::Dump(Stream *s, Target *target, Address::DumpStyle style, 131 Address::DumpStyle fallback_style) const { 132 addr_t vmaddr = LLDB_INVALID_ADDRESS; 133 int addr_size = sizeof(addr_t); 134 if (target) 135 addr_size = target->GetArchitecture().GetAddressByteSize(); 136 137 bool show_module = false; 138 switch (style) { 139 default: 140 break; 141 case Address::DumpStyleSectionNameOffset: 142 case Address::DumpStyleSectionPointerOffset: 143 s->PutChar('['); 144 m_base_addr.Dump(s, target, style, fallback_style); 145 s->PutChar('-'); 146 s->Address(m_base_addr.GetOffset() + GetByteSize(), addr_size); 147 s->PutChar(')'); 148 return true; 149 break; 150 151 case Address::DumpStyleModuleWithFileAddress: 152 show_module = true; 153 LLVM_FALLTHROUGH; 154 case Address::DumpStyleFileAddress: 155 vmaddr = m_base_addr.GetFileAddress(); 156 break; 157 158 case Address::DumpStyleLoadAddress: 159 vmaddr = m_base_addr.GetLoadAddress(target); 160 break; 161 } 162 163 if (vmaddr != LLDB_INVALID_ADDRESS) { 164 if (show_module) { 165 ModuleSP module_sp(GetBaseAddress().GetModule()); 166 if (module_sp) 167 s->Printf("%s", module_sp->GetFileSpec().GetFilename().AsCString( 168 "<Unknown>")); 169 } 170 s->AddressRange(vmaddr, vmaddr + GetByteSize(), addr_size); 171 return true; 172 } else if (fallback_style != Address::DumpStyleInvalid) { 173 return Dump(s, target, fallback_style, Address::DumpStyleInvalid); 174 } 175 176 return false; 177 } 178 179 void AddressRange::DumpDebug(Stream *s) const { 180 s->Printf("%p: AddressRange section = %p, offset = 0x%16.16" PRIx64 181 ", byte_size = 0x%16.16" PRIx64 "\n", 182 static_cast<const void *>(this), 183 static_cast<void *>(m_base_addr.GetSection().get()), 184 m_base_addr.GetOffset(), GetByteSize()); 185 } 186 // 187 // bool 188 // lldb::operator== (const AddressRange& lhs, const AddressRange& rhs) 189 //{ 190 // if (lhs.GetBaseAddress() == rhs.GetBaseAddress()) 191 // return lhs.GetByteSize() == rhs.GetByteSize(); 192 // return false; 193 //} 194