LCOV - code coverage report
Current view: top level - src - elf.rs (source / functions) Coverage Total Hit
Test: lief.lcov Lines: 0.0 % 49 0
Test Date: 2026-03-30:00:00:00 Functions: 0.0 % 15 0

            Line data    Source code
       1              : //! Module for the ELF file format support in LIEF.
       2              : //!
       3              : //! The [`Binary`] structure exposes the main API to inspect an ELF file. It can be instantiated,
       4              : //! using either: [`crate::elf::parse`], [`crate::elf::Binary::parse`] or [`crate::Binary::parse`]
       5              : //!
       6              : //! ```
       7              : //! let elf = lief::elf::parse("/bin/ls").unwrap();
       8              : //! for section in elf.sections() {
       9              : //!     println!("section: {}", section.name());
      10              : //! }
      11              : //! ```
      12              : 
      13              : use std::path::Path;
      14              : use lief_ffi as ffi;
      15              : use crate::common::AsFFI;
      16              : 
      17              : pub mod binary;
      18              : pub mod builder;
      19              : pub mod dynamic;
      20              : pub mod hash;
      21              : pub mod header;
      22              : pub mod note;
      23              : pub mod relocation;
      24              : pub mod section;
      25              : pub mod segment;
      26              : pub mod symbol;
      27              : pub mod symbol_versioning;
      28              : pub mod parser_config;
      29              : 
      30              : #[doc(inline)]
      31              : pub use binary::Binary;
      32              : 
      33              : #[doc(inline)]
      34              : pub use header::Header;
      35              : 
      36              : #[doc(inline)]
      37              : pub use section::Section;
      38              : 
      39              : #[doc(inline)]
      40              : pub use segment::Segment;
      41              : 
      42              : #[doc(inline)]
      43              : pub use symbol::Symbol;
      44              : 
      45              : #[doc(inline)]
      46              : pub use hash::Sysv as SysvHash;
      47              : 
      48              : #[doc(inline)]
      49              : pub use hash::Gnu as GnuHash;
      50              : 
      51              : #[doc(inline)]
      52              : pub use note::Notes;
      53              : 
      54              : #[doc(inline)]
      55              : pub use dynamic::Entries as DynamicEntries;
      56              : 
      57              : #[doc(inline)]
      58              : pub use relocation::Relocation;
      59              : 
      60              : #[doc(inline)]
      61              : pub use symbol_versioning::{
      62              :     SymbolVersion, SymbolVersionAux, SymbolVersionAuxRequirement, SymbolVersionDefinition,
      63              :     SymbolVersionRequirement,
      64              : };
      65              : 
      66              : #[doc(inline)]
      67              : pub use parser_config::Config as ParserConfig;
      68              : 
      69              : /// Strategy used for relocating the PHDR table
      70              : #[allow(non_camel_case_types)]
      71            0 : #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
      72              : pub enum PhdrReloc {
      73              :     /// Let LIEF choose the best strategy
      74              :     AUTO,
      75              :     /// Shift content after the PHDR table (PIE binaries only)
      76              :     PIE_SHIFT,
      77              :     /// Relocate the PHDR after the first BSS-like segment
      78              :     BSS_END,
      79              :     /// Relocate at the end of the binary
      80              :     BINARY_END,
      81              :     /// Relocate between two LOAD segments
      82              :     SEGMENT_GAP,
      83              :     UNKNOWN(u32),
      84              : }
      85              : 
      86              : impl From<u32> for PhdrReloc {
      87            0 :     fn from(value: u32) -> Self {
      88            0 :         match value {
      89            0 :             0 => PhdrReloc::AUTO,
      90            0 :             1 => PhdrReloc::PIE_SHIFT,
      91            0 :             2 => PhdrReloc::BSS_END,
      92            0 :             3 => PhdrReloc::BINARY_END,
      93            0 :             4 => PhdrReloc::SEGMENT_GAP,
      94            0 :             _ => PhdrReloc::UNKNOWN(value),
      95              :         }
      96            0 :     }
      97              : }
      98              : 
      99              : impl From<PhdrReloc> for u32 {
     100            0 :     fn from(value: PhdrReloc) -> u32 {
     101            0 :         match value {
     102            0 :             PhdrReloc::AUTO => 0,
     103            0 :             PhdrReloc::PIE_SHIFT => 1,
     104            0 :             PhdrReloc::BSS_END => 2,
     105            0 :             PhdrReloc::BINARY_END => 3,
     106            0 :             PhdrReloc::SEGMENT_GAP => 4,
     107            0 :             PhdrReloc::UNKNOWN(v) => v,
     108              :         }
     109            0 :     }
     110              : }
     111              : 
     112              : /// Strategy for inserting a new section
     113              : #[allow(non_camel_case_types)]
     114            0 : #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
     115              : pub enum SecInsertPos {
     116              :     /// Let LIEF choose the best strategy
     117              :     AUTO,
     118              :     /// Insert after the last segment offset, before debug info
     119              :     POST_SEGMENT,
     120              :     /// Insert after the last section offset, at binary end
     121              :     POST_SECTION,
     122              :     UNKNOWN(u32),
     123              : }
     124              : 
     125              : impl From<u32> for SecInsertPos {
     126            0 :     fn from(value: u32) -> Self {
     127            0 :         match value {
     128            0 :             0 => SecInsertPos::AUTO,
     129            0 :             1 => SecInsertPos::POST_SEGMENT,
     130            0 :             2 => SecInsertPos::POST_SECTION,
     131            0 :             _ => SecInsertPos::UNKNOWN(value),
     132              :         }
     133            0 :     }
     134              : }
     135              : 
     136              : impl From<SecInsertPos> for u32 {
     137            0 :     fn from(value: SecInsertPos) -> u32 {
     138            0 :         match value {
     139            0 :             SecInsertPos::AUTO => 0,
     140            0 :             SecInsertPos::POST_SEGMENT => 1,
     141            0 :             SecInsertPos::POST_SECTION => 2,
     142            0 :             SecInsertPos::UNKNOWN(v) => v,
     143              :         }
     144            0 :     }
     145              : }
     146              : 
     147              : /// Parse an ELF file from the given filepath
     148            0 : pub fn parse<P: AsRef<Path>>(path: P) -> Option<Binary> {
     149            0 :     Binary::parse(path)
     150            0 : }
     151              : 
     152              : /// Parse an ELF file from the given filepath and configuration
     153            0 : pub fn parse_with_config<P: AsRef<Path>>(path: P, config: &ParserConfig) -> Option<Binary> {
     154            0 :     Binary::parse_with_config(path, config)
     155            0 : }
     156              : 
     157              : /// Check that the layout of the given binary is correct
     158            0 : pub fn check_layout(binary: &Binary) -> Result<(), String> {
     159            0 :     cxx::let_cxx_string!(error = "");
     160            0 :     unsafe {
     161            0 :         if ffi::ELF_Utils::check_layout(binary.as_ffi(), error.as_mut().get_unchecked_mut()) {
     162            0 :             return Ok(());
     163            0 :         }
     164            0 :     }
     165            0 :     Err(error.to_string())
     166            0 : }
        

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