LIEF: Library to Instrument Executable Formats Version 0.17.0
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16#ifndef LIEF_PE_SECTION_H
17#define LIEF_PE_SECTION_H
54 static constexpr size_t MAX_SECTION_NAME = 8;
56 enum class CHARACTERISTICS: uint64_t {
57 TYPE_NO_PAD = 0x00000008,
58 CNT_CODE = 0x00000020,
59 CNT_INITIALIZED_DATA = 0x00000040,
60 CNT_UNINITIALIZED_DATA = 0x00000080,
61 LNK_OTHER = 0x00000100,
62 LNK_INFO = 0x00000200,
63 LNK_REMOVE = 0x00000800,
64 LNK_COMDAT = 0x00001000,
66 MEM_PURGEABLE = 0x00010000,
67 MEM_16BIT = 0x00020000,
68 MEM_LOCKED = 0x00040000,
69 MEM_PRELOAD = 0x00080000,
70 ALIGN_1BYTES = 0x00100000,
71 ALIGN_2BYTES = 0x00200000,
72 ALIGN_4BYTES = 0x00300000,
73 ALIGN_8BYTES = 0x00400000,
74 ALIGN_16BYTES = 0x00500000,
75 ALIGN_32BYTES = 0x00600000,
76 ALIGN_64BYTES = 0x00700000,
77 ALIGN_128BYTES = 0x00800000,
78 ALIGN_256BYTES = 0x00900000,
79 ALIGN_512BYTES = 0x00A00000,
80 ALIGN_1024BYTES = 0x00B00000,
81 ALIGN_2048BYTES = 0x00C00000,
82 ALIGN_4096BYTES = 0x00D00000,
83 ALIGN_8192BYTES = 0x00E00000,
84 LNK_NRELOC_OVFL = 0x01000000,
85 MEM_DISCARDABLE = 0x02000000,
86 MEM_NOT_CACHED = 0x04000000,
87 MEM_NOT_PAGED = 0x08000000,
88 MEM_SHARED = 0x10000000,
89 MEM_EXECUTE = 0x20000000,
90 MEM_READ = 0x40000000,
91 MEM_WRITE = 0x80000000
94 Section(
const details::pe_section& header);
99 name_ = std::move(name);
102 Section(std::string name, std::vector<uint8_t> content) :
103 Section(std::move(name))
105 content_ = std::move(content);
106 size_ = content_.size();
120 return virtual_size_;
122 span<const uint8_t>
content()
const override {
127 span<const uint8_t>
padding()
const {
142 return pointer_to_relocations_;
149 return pointer_to_linenumbers_;
154 return number_of_relocations_;
159 return number_of_linenumbers_;
166 return characteristics_;
171 return (characteristics() & (uint32_t)c) > 0;
176 return characteristics_to_list(characteristics_);
183 return has_characteristic(CHARACTERISTICS::MEM_DISCARDABLE);
185 void clear(uint8_t c);
188 void content(
const std::vector<uint8_t>& data)
override;
190 void name(std::string name)
override;
193 virtual_size_ = virtual_sz;
201 pointer_to_relocations_ = ptr;
205 pointer_to_linenumbers_ = ptr;
209 number_of_relocations_ = nb;
213 number_of_linenumbers_ = nb;
221 characteristics_ = characteristics;
237 characteristics_ &= ~static_cast<size_t>(characteristic);
242 characteristics_ |=
static_cast<size_t>(characteristic);
246 std::unique_ptr<SpanStream>
stream()
const;
247 LIEF_LOCAL Section& reserve(
size_t size, uint8_t value = 0) {
250 content_.resize(size, value);
256 return vector_iostream(content_);
263 void accept(Visitor& visitor)
const override;
270 std::vector<uint8_t> content_;
271 std::vector<uint8_t> padding_;
272 uint32_t virtual_size_ = 0;
273 uint32_t pointer_to_relocations_ = 0;
274 uint32_t pointer_to_linenumbers_ = 0;
275 uint16_t number_of_relocations_ = 0;
276 uint16_t number_of_linenumbers_ = 0;
277 uint32_t characteristics_ = 0;
279 COFF::String* coff_string_ =
nullptr;
This class represents a string located in the COFF string table.
Definition String.hpp:33
Class which represents a PE binary This is the main interface to manage and modify a PE executable.
Definition PE/Binary.hpp:57
Class that is used to rebuild a raw PE binary from a PE::Binary object.
Definition PE/Builder.hpp:45
Main interface to parse PE binaries. In particular the static functions: Parser::parse should be used...
Definition PE/Parser.hpp:52
Class which represents a PE section.
Definition PE/Section.hpp:46
Section(const Section &)=default
uint32_t pointerto_line_numbers() const
The file pointer to the beginning of line-number entries for the section. This is set to zero if ther...
Definition PE/Section.hpp:148
void sizeof_raw_data(uint32_t size)
Definition PE/Section.hpp:216
Section(std::string name)
Definition PE/Section.hpp:96
uint32_t pointerto_relocation() const
The file pointer to the beginning of the COFF relocation entries for the section. This is set to zero...
Definition PE/Section.hpp:141
Section & remove_characteristic(CHARACTERISTICS characteristic)
Definition PE/Section.hpp:236
static std::vector< CHARACTERISTICS > characteristics_to_list(uint32_t value)
friend std::ostream & operator<<(std::ostream &os, const Section §ion)
Section & operator=(const Section &)=default
bool has_characteristic(CHARACTERISTICS c) const
Check if the section has the given CHARACTERISTICS.
Definition PE/Section.hpp:170
uint16_t numberof_line_numbers() const
No longer used in recent PE binaries produced by Visual Studio.
Definition PE/Section.hpp:158
bool is_discardable() const
True if the section can be discarded as needed.
Definition PE/Section.hpp:182
~Section() override=default
CHARACTERISTICS
Definition PE/Section.hpp:56
const COFF::String * coff_string() const
Definition PE/Section.hpp:232
span< const uint8_t > content() const override
The actual content of the section.
Definition PE/Section.hpp:124
void clear(uint8_t c)
Fill the content of the section with the given char
void pointerto_raw_data(uint32_t ptr)
Definition PE/Section.hpp:196
std::vector< CHARACTERISTICS > characteristics_list() const
List of the section characteristics.
Definition PE/Section.hpp:175
uint32_t characteristics() const
Characteristics of the section: it provides information about the permissions of the section when map...
Definition PE/Section.hpp:165
void name(std::string name) override
Change the section's name.
void pointerto_relocation(uint32_t ptr)
Definition PE/Section.hpp:200
uint32_t sizeof_raw_data() const
Return the size of the data in the section.
span< const uint8_t > padding() const
Content of the section's padding area.
Definition PE/Section.hpp:129
void pointerto_line_numbers(uint32_t ptr)
Definition PE/Section.hpp:204
std::unique_ptr< SpanStream > stream() const
span< uint8_t > writable_content()
Definition PE/Section.hpp:259
void characteristics(uint32_t characteristics)
Definition PE/Section.hpp:220
void virtual_size(uint32_t virtual_sz)
Definition PE/Section.hpp:192
void content(const std::vector< uint8_t > &data) override
Change section content.
uint32_t pointerto_raw_data() const
The offset of the section data in the PE file.
void numberof_line_numbers(uint16_t nb)
Definition PE/Section.hpp:212
Section(const details::pe_section &header)
uint16_t numberof_relocations() const
No longer used in recent PE binaries produced by Visual Studio.
Definition PE/Section.hpp:153
COFF::String * coff_string()
Return the COFF string associated with the section's name (or a nullptr)
Definition PE/Section.hpp:228
void accept(Visitor &visitor) const override
Section(std::string name, std::vector< uint8_t > content)
Definition PE/Section.hpp:102
uint32_t virtual_size() const
Return the size of the data when mapped in memory.
Definition PE/Section.hpp:119
Section & add_characteristic(CHARACTERISTICS characteristic)
Definition PE/Section.hpp:241
void numberof_relocations(uint16_t nb)
Definition PE/Section.hpp:208
virtual std::string name() const
section's name
Definition Abstract/Section.hpp:44
Definition SpanStream.hpp:32
#define ENABLE_BITMASK_OPERATORS(X)
Definition enums.hpp:24
Definition AuxiliarySymbol.hpp:29
Definition DataDirectory.hpp:37
Namespace related to the LIEF's PE module.
Definition Abstract/Header.hpp:32
const char * to_string(CODE_PAGES e)
LIEF namespace.
Definition Abstract/Binary.hpp:39
#define LIEF_API
Definition visibility.h:41
#define LIEF_LOCAL
Definition visibility.h:42