object/read/elf/
relocation.rs

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1use alloc::fmt;
2use alloc::vec::Vec;
3use core::fmt::Debug;
4use core::slice;
5
6use crate::elf;
7use crate::endian::{self, Endianness};
8use crate::pod::Pod;
9use crate::read::{
10    self, Error, ReadRef, Relocation, RelocationEncoding, RelocationFlags, RelocationKind,
11    RelocationTarget, SectionIndex, SymbolIndex,
12};
13
14use super::{ElfFile, FileHeader, SectionHeader, SectionTable};
15
16/// A mapping from section index to associated relocation sections.
17#[derive(Debug, Default)]
18pub struct RelocationSections {
19    relocations: Vec<usize>,
20}
21
22impl RelocationSections {
23    /// Create a new mapping using the section table.
24    ///
25    /// Skips relocation sections that do not use the given symbol table section.
26    pub fn parse<'data, Elf: FileHeader, R: ReadRef<'data>>(
27        endian: Elf::Endian,
28        sections: &SectionTable<'data, Elf, R>,
29        symbol_section: SectionIndex,
30    ) -> read::Result<Self> {
31        let mut relocations = vec![0; sections.len()];
32        for (index, section) in sections.iter().enumerate().rev() {
33            let sh_type = section.sh_type(endian);
34            if sh_type == elf::SHT_REL || sh_type == elf::SHT_RELA {
35                // The symbol indices used in relocations must be for the symbol table
36                // we are expecting to use.
37                let sh_link = section.link(endian);
38                if sh_link != symbol_section {
39                    continue;
40                }
41
42                let sh_info = section.info_link(endian);
43                if sh_info == SectionIndex(0) {
44                    // Skip dynamic relocations.
45                    continue;
46                }
47                if sh_info.0 >= relocations.len() {
48                    return Err(Error("Invalid ELF sh_info for relocation section"));
49                }
50
51                // We don't support relocations that apply to other relocation sections
52                // because it interferes with the chaining of relocation sections below.
53                let sh_info_type = sections.section(sh_info)?.sh_type(endian);
54                if sh_info_type == elf::SHT_REL || sh_info_type == elf::SHT_RELA {
55                    return Err(Error("Unsupported ELF sh_info for relocation section"));
56                }
57
58                // Handle multiple relocation sections by chaining them.
59                let next = relocations[sh_info.0];
60                relocations[sh_info.0] = index;
61                relocations[index] = next;
62            }
63        }
64        Ok(Self { relocations })
65    }
66
67    /// Given a section index, return the section index of the associated relocation section.
68    ///
69    /// This may also be called with a relocation section index, and it will return the
70    /// next associated relocation section.
71    pub fn get(&self, index: SectionIndex) -> Option<SectionIndex> {
72        self.relocations
73            .get(index.0)
74            .cloned()
75            .filter(|x| *x != 0)
76            .map(SectionIndex)
77    }
78}
79
80pub(super) enum ElfRelaIterator<'data, Elf: FileHeader> {
81    Rel(slice::Iter<'data, Elf::Rel>),
82    Rela(slice::Iter<'data, Elf::Rela>),
83}
84
85impl<'data, Elf: FileHeader> ElfRelaIterator<'data, Elf> {
86    fn is_rel(&self) -> bool {
87        match self {
88            ElfRelaIterator::Rel(_) => true,
89            ElfRelaIterator::Rela(_) => false,
90        }
91    }
92}
93
94impl<'data, Elf: FileHeader> Iterator for ElfRelaIterator<'data, Elf> {
95    type Item = Elf::Rela;
96
97    fn next(&mut self) -> Option<Self::Item> {
98        match self {
99            ElfRelaIterator::Rel(ref mut i) => i.next().cloned().map(Self::Item::from),
100            ElfRelaIterator::Rela(ref mut i) => i.next().cloned(),
101        }
102    }
103}
104
105/// An iterator for the dynamic relocations in an [`ElfFile32`](super::ElfFile32).
106pub type ElfDynamicRelocationIterator32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
107    ElfDynamicRelocationIterator<'data, 'file, elf::FileHeader32<Endian>, R>;
108/// An iterator for the dynamic relocations in an [`ElfFile64`](super::ElfFile64).
109pub type ElfDynamicRelocationIterator64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
110    ElfDynamicRelocationIterator<'data, 'file, elf::FileHeader64<Endian>, R>;
111
112/// An iterator for the dynamic relocations in an [`ElfFile`].
113pub struct ElfDynamicRelocationIterator<'data, 'file, Elf, R = &'data [u8]>
114where
115    Elf: FileHeader,
116    R: ReadRef<'data>,
117{
118    /// The current relocation section index.
119    pub(super) section_index: SectionIndex,
120    pub(super) file: &'file ElfFile<'data, Elf, R>,
121    pub(super) relocations: Option<ElfRelaIterator<'data, Elf>>,
122}
123
124impl<'data, 'file, Elf, R> Iterator for ElfDynamicRelocationIterator<'data, 'file, Elf, R>
125where
126    Elf: FileHeader,
127    R: ReadRef<'data>,
128{
129    type Item = (u64, Relocation);
130
131    fn next(&mut self) -> Option<Self::Item> {
132        let endian = self.file.endian;
133        loop {
134            if let Some(ref mut relocations) = self.relocations {
135                if let Some(reloc) = relocations.next() {
136                    let relocation =
137                        parse_relocation(self.file.header, endian, reloc, relocations.is_rel());
138                    return Some((reloc.r_offset(endian).into(), relocation));
139                }
140                self.relocations = None;
141            }
142
143            let section = self.file.sections.section(self.section_index).ok()?;
144            self.section_index.0 += 1;
145
146            if section.link(endian) != self.file.dynamic_symbols.section() {
147                continue;
148            }
149
150            match section.sh_type(endian) {
151                elf::SHT_REL => {
152                    if let Ok(relocations) = section.data_as_array(endian, self.file.data) {
153                        self.relocations = Some(ElfRelaIterator::Rel(relocations.iter()));
154                    }
155                }
156                elf::SHT_RELA => {
157                    if let Ok(relocations) = section.data_as_array(endian, self.file.data) {
158                        self.relocations = Some(ElfRelaIterator::Rela(relocations.iter()));
159                    }
160                }
161                _ => {}
162            }
163        }
164    }
165}
166
167impl<'data, 'file, Elf, R> fmt::Debug for ElfDynamicRelocationIterator<'data, 'file, Elf, R>
168where
169    Elf: FileHeader,
170    R: ReadRef<'data>,
171{
172    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
173        f.debug_struct("ElfDynamicRelocationIterator").finish()
174    }
175}
176
177/// An iterator for the relocations for an [`ElfSection32`](super::ElfSection32).
178pub type ElfSectionRelocationIterator32<'data, 'file, Endian = Endianness, R = &'data [u8]> =
179    ElfSectionRelocationIterator<'data, 'file, elf::FileHeader32<Endian>, R>;
180/// An iterator for the relocations for an [`ElfSection64`](super::ElfSection64).
181pub type ElfSectionRelocationIterator64<'data, 'file, Endian = Endianness, R = &'data [u8]> =
182    ElfSectionRelocationIterator<'data, 'file, elf::FileHeader64<Endian>, R>;
183
184/// An iterator for the relocations for an [`ElfSection`](super::ElfSection).
185pub struct ElfSectionRelocationIterator<'data, 'file, Elf, R = &'data [u8]>
186where
187    Elf: FileHeader,
188    R: ReadRef<'data>,
189{
190    /// The current pointer in the chain of relocation sections.
191    pub(super) section_index: SectionIndex,
192    pub(super) file: &'file ElfFile<'data, Elf, R>,
193    pub(super) relocations: Option<ElfRelaIterator<'data, Elf>>,
194}
195
196impl<'data, 'file, Elf, R> Iterator for ElfSectionRelocationIterator<'data, 'file, Elf, R>
197where
198    Elf: FileHeader,
199    R: ReadRef<'data>,
200{
201    type Item = (u64, Relocation);
202
203    fn next(&mut self) -> Option<Self::Item> {
204        let endian = self.file.endian;
205        loop {
206            if let Some(ref mut relocations) = self.relocations {
207                if let Some(reloc) = relocations.next() {
208                    let relocation =
209                        parse_relocation(self.file.header, endian, reloc, relocations.is_rel());
210                    return Some((reloc.r_offset(endian).into(), relocation));
211                }
212                self.relocations = None;
213            }
214            self.section_index = self.file.relocations.get(self.section_index)?;
215            // The construction of RelocationSections ensures section_index is valid.
216            let section = self.file.sections.section(self.section_index).unwrap();
217            match section.sh_type(endian) {
218                elf::SHT_REL => {
219                    if let Ok(relocations) = section.data_as_array(endian, self.file.data) {
220                        self.relocations = Some(ElfRelaIterator::Rel(relocations.iter()));
221                    }
222                }
223                elf::SHT_RELA => {
224                    if let Ok(relocations) = section.data_as_array(endian, self.file.data) {
225                        self.relocations = Some(ElfRelaIterator::Rela(relocations.iter()));
226                    }
227                }
228                _ => {}
229            }
230        }
231    }
232}
233
234impl<'data, 'file, Elf, R> fmt::Debug for ElfSectionRelocationIterator<'data, 'file, Elf, R>
235where
236    Elf: FileHeader,
237    R: ReadRef<'data>,
238{
239    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
240        f.debug_struct("ElfSectionRelocationIterator").finish()
241    }
242}
243
244fn parse_relocation<Elf: FileHeader>(
245    header: &Elf,
246    endian: Elf::Endian,
247    reloc: Elf::Rela,
248    implicit_addend: bool,
249) -> Relocation {
250    use RelocationEncoding as E;
251    use RelocationKind as K;
252
253    let is_mips64el = header.is_mips64el(endian);
254    let r_type = reloc.r_type(endian, is_mips64el);
255    let flags = RelocationFlags::Elf { r_type };
256    let g = E::Generic;
257    let unknown = (K::Unknown, E::Generic, 0);
258    let (kind, encoding, size) = match header.e_machine(endian) {
259        elf::EM_AARCH64 => {
260            if header.is_type_64() {
261                match r_type {
262                    elf::R_AARCH64_ABS64 => (K::Absolute, g, 64),
263                    elf::R_AARCH64_ABS32 => (K::Absolute, g, 32),
264                    elf::R_AARCH64_ABS16 => (K::Absolute, g, 16),
265                    elf::R_AARCH64_PREL64 => (K::Relative, g, 64),
266                    elf::R_AARCH64_PREL32 => (K::Relative, g, 32),
267                    elf::R_AARCH64_PREL16 => (K::Relative, g, 16),
268                    elf::R_AARCH64_CALL26 => (K::PltRelative, E::AArch64Call, 26),
269                    _ => unknown,
270                }
271            } else {
272                match r_type {
273                    elf::R_AARCH64_P32_ABS32 => (K::Absolute, g, 32),
274                    _ => unknown,
275                }
276            }
277        }
278        elf::EM_ARM => match r_type {
279            elf::R_ARM_ABS32 => (K::Absolute, g, 32),
280            _ => unknown,
281        },
282        elf::EM_AVR => match r_type {
283            elf::R_AVR_32 => (K::Absolute, g, 32),
284            elf::R_AVR_16 => (K::Absolute, g, 16),
285            _ => unknown,
286        },
287        elf::EM_BPF => match r_type {
288            elf::R_BPF_64_64 => (K::Absolute, g, 64),
289            elf::R_BPF_64_32 => (K::Absolute, g, 32),
290            _ => unknown,
291        },
292        elf::EM_CSKY => match r_type {
293            elf::R_CKCORE_ADDR32 => (K::Absolute, g, 32),
294            elf::R_CKCORE_PCREL32 => (K::Relative, g, 32),
295            _ => unknown,
296        },
297        elf::EM_MCST_ELBRUS => match r_type {
298            elf::R_E2K_32_ABS => (K::Absolute, g, 32),
299            elf::R_E2K_64_ABS => (K::Absolute, g, 64),
300            elf::R_E2K_64_ABS_LIT => (K::Absolute, E::E2KLit, 64),
301            elf::R_E2K_DISP => (K::Relative, E::E2KDisp, 28),
302            elf::R_E2K_GOT => (K::Got, g, 32),
303            _ => unknown,
304        },
305        elf::EM_386 => match r_type {
306            elf::R_386_32 => (K::Absolute, g, 32),
307            elf::R_386_PC32 => (K::Relative, g, 32),
308            elf::R_386_GOT32 => (K::Got, g, 32),
309            elf::R_386_PLT32 => (K::PltRelative, g, 32),
310            elf::R_386_GOTOFF => (K::GotBaseOffset, g, 32),
311            elf::R_386_GOTPC => (K::GotBaseRelative, g, 32),
312            elf::R_386_16 => (K::Absolute, g, 16),
313            elf::R_386_PC16 => (K::Relative, g, 16),
314            elf::R_386_8 => (K::Absolute, g, 8),
315            elf::R_386_PC8 => (K::Relative, g, 8),
316            _ => unknown,
317        },
318        elf::EM_X86_64 => match r_type {
319            elf::R_X86_64_64 => (K::Absolute, g, 64),
320            elf::R_X86_64_PC32 => (K::Relative, g, 32),
321            elf::R_X86_64_GOT32 => (K::Got, g, 32),
322            elf::R_X86_64_PLT32 => (K::PltRelative, g, 32),
323            elf::R_X86_64_GOTPCREL => (K::GotRelative, g, 32),
324            elf::R_X86_64_32 => (K::Absolute, g, 32),
325            elf::R_X86_64_32S => (K::Absolute, E::X86Signed, 32),
326            elf::R_X86_64_16 => (K::Absolute, g, 16),
327            elf::R_X86_64_PC16 => (K::Relative, g, 16),
328            elf::R_X86_64_8 => (K::Absolute, g, 8),
329            elf::R_X86_64_PC8 => (K::Relative, g, 8),
330            _ => unknown,
331        },
332        elf::EM_HEXAGON => match r_type {
333            elf::R_HEX_32 => (K::Absolute, g, 32),
334            _ => unknown,
335        },
336        elf::EM_LOONGARCH => match r_type {
337            elf::R_LARCH_32 => (K::Absolute, g, 32),
338            elf::R_LARCH_64 => (K::Absolute, g, 64),
339            elf::R_LARCH_32_PCREL => (K::Relative, g, 32),
340            elf::R_LARCH_64_PCREL => (K::Relative, g, 64),
341            elf::R_LARCH_B16 => (K::Relative, E::LoongArchBranch, 16),
342            elf::R_LARCH_B21 => (K::Relative, E::LoongArchBranch, 21),
343            elf::R_LARCH_B26 => (K::Relative, E::LoongArchBranch, 26),
344            _ => unknown,
345        },
346        elf::EM_MIPS => match r_type {
347            elf::R_MIPS_16 => (K::Absolute, g, 16),
348            elf::R_MIPS_32 => (K::Absolute, g, 32),
349            elf::R_MIPS_64 => (K::Absolute, g, 64),
350            _ => unknown,
351        },
352        elf::EM_MSP430 => match r_type {
353            elf::R_MSP430_32 => (K::Absolute, g, 32),
354            elf::R_MSP430_16_BYTE => (K::Absolute, g, 16),
355            _ => unknown,
356        },
357        elf::EM_PPC => match r_type {
358            elf::R_PPC_ADDR32 => (K::Absolute, g, 32),
359            _ => unknown,
360        },
361        elf::EM_PPC64 => match r_type {
362            elf::R_PPC64_ADDR32 => (K::Absolute, g, 32),
363            elf::R_PPC64_ADDR64 => (K::Absolute, g, 64),
364            _ => unknown,
365        },
366        elf::EM_RISCV => match r_type {
367            elf::R_RISCV_32 => (K::Absolute, g, 32),
368            elf::R_RISCV_64 => (K::Absolute, g, 64),
369            _ => unknown,
370        },
371        elf::EM_S390 => match r_type {
372            elf::R_390_8 => (K::Absolute, g, 8),
373            elf::R_390_16 => (K::Absolute, g, 16),
374            elf::R_390_32 => (K::Absolute, g, 32),
375            elf::R_390_64 => (K::Absolute, g, 64),
376            elf::R_390_PC16 => (K::Relative, g, 16),
377            elf::R_390_PC32 => (K::Relative, g, 32),
378            elf::R_390_PC64 => (K::Relative, g, 64),
379            elf::R_390_PC16DBL => (K::Relative, E::S390xDbl, 16),
380            elf::R_390_PC32DBL => (K::Relative, E::S390xDbl, 32),
381            elf::R_390_PLT16DBL => (K::PltRelative, E::S390xDbl, 16),
382            elf::R_390_PLT32DBL => (K::PltRelative, E::S390xDbl, 32),
383            elf::R_390_GOT16 => (K::Got, g, 16),
384            elf::R_390_GOT32 => (K::Got, g, 32),
385            elf::R_390_GOT64 => (K::Got, g, 64),
386            elf::R_390_GOTENT => (K::GotRelative, E::S390xDbl, 32),
387            elf::R_390_GOTOFF16 => (K::GotBaseOffset, g, 16),
388            elf::R_390_GOTOFF32 => (K::GotBaseOffset, g, 32),
389            elf::R_390_GOTOFF64 => (K::GotBaseOffset, g, 64),
390            elf::R_390_GOTPC => (K::GotBaseRelative, g, 64),
391            elf::R_390_GOTPCDBL => (K::GotBaseRelative, E::S390xDbl, 32),
392            _ => unknown,
393        },
394        elf::EM_SBF => match r_type {
395            elf::R_SBF_64_64 => (K::Absolute, g, 64),
396            elf::R_SBF_64_32 => (K::Absolute, g, 32),
397            _ => unknown,
398        },
399        elf::EM_SHARC => match r_type {
400            elf::R_SHARC_ADDR24_V3 => (K::Absolute, E::SharcTypeA, 24),
401            elf::R_SHARC_ADDR32_V3 => (K::Absolute, E::SharcTypeA, 32),
402            elf::R_SHARC_ADDR_VAR_V3 => (K::Absolute, E::Generic, 32),
403            elf::R_SHARC_PCRSHORT_V3 => (K::Relative, E::SharcTypeA, 6),
404            elf::R_SHARC_PCRLONG_V3 => (K::Relative, E::SharcTypeA, 24),
405            elf::R_SHARC_DATA6_V3 => (K::Absolute, E::SharcTypeA, 6),
406            elf::R_SHARC_DATA16_V3 => (K::Absolute, E::SharcTypeA, 16),
407            elf::R_SHARC_DATA6_VISA_V3 => (K::Absolute, E::SharcTypeB, 6),
408            elf::R_SHARC_DATA7_VISA_V3 => (K::Absolute, E::SharcTypeB, 7),
409            elf::R_SHARC_DATA16_VISA_V3 => (K::Absolute, E::SharcTypeB, 16),
410            elf::R_SHARC_PCR6_VISA_V3 => (K::Relative, E::SharcTypeB, 16),
411            elf::R_SHARC_ADDR_VAR16_V3 => (K::Absolute, E::Generic, 16),
412            _ => unknown,
413        },
414        elf::EM_SPARC | elf::EM_SPARC32PLUS | elf::EM_SPARCV9 => match r_type {
415            elf::R_SPARC_32 | elf::R_SPARC_UA32 => (K::Absolute, g, 32),
416            elf::R_SPARC_64 | elf::R_SPARC_UA64 => (K::Absolute, g, 64),
417            _ => unknown,
418        },
419        elf::EM_XTENSA => match r_type {
420            elf::R_XTENSA_32 => (K::Absolute, g, 32),
421            elf::R_XTENSA_32_PCREL => (K::Relative, g, 32),
422            _ => unknown,
423        },
424        _ => unknown,
425    };
426    let target = match reloc.symbol(endian, is_mips64el) {
427        None => RelocationTarget::Absolute,
428        Some(symbol) => RelocationTarget::Symbol(symbol),
429    };
430    Relocation {
431        kind,
432        encoding,
433        size,
434        target,
435        addend: reloc.r_addend(endian).into(),
436        implicit_addend,
437        flags,
438    }
439}
440
441/// A trait for generic access to [`elf::Rel32`] and [`elf::Rel64`].
442#[allow(missing_docs)]
443pub trait Rel: Debug + Pod + Clone {
444    type Word: Into<u64>;
445    type Sword: Into<i64>;
446    type Endian: endian::Endian;
447
448    fn r_offset(&self, endian: Self::Endian) -> Self::Word;
449    fn r_info(&self, endian: Self::Endian) -> Self::Word;
450    fn r_sym(&self, endian: Self::Endian) -> u32;
451    fn r_type(&self, endian: Self::Endian) -> u32;
452
453    /// Get the symbol index referenced by the relocation.
454    ///
455    /// Returns `None` for the null symbol index.
456    fn symbol(&self, endian: Self::Endian) -> Option<SymbolIndex> {
457        let sym = self.r_sym(endian);
458        if sym == 0 {
459            None
460        } else {
461            Some(SymbolIndex(sym as usize))
462        }
463    }
464}
465
466impl<Endian: endian::Endian> Rel for elf::Rel32<Endian> {
467    type Word = u32;
468    type Sword = i32;
469    type Endian = Endian;
470
471    #[inline]
472    fn r_offset(&self, endian: Self::Endian) -> Self::Word {
473        self.r_offset.get(endian)
474    }
475
476    #[inline]
477    fn r_info(&self, endian: Self::Endian) -> Self::Word {
478        self.r_info.get(endian)
479    }
480
481    #[inline]
482    fn r_sym(&self, endian: Self::Endian) -> u32 {
483        self.r_sym(endian)
484    }
485
486    #[inline]
487    fn r_type(&self, endian: Self::Endian) -> u32 {
488        self.r_type(endian)
489    }
490}
491
492impl<Endian: endian::Endian> Rel for elf::Rel64<Endian> {
493    type Word = u64;
494    type Sword = i64;
495    type Endian = Endian;
496
497    #[inline]
498    fn r_offset(&self, endian: Self::Endian) -> Self::Word {
499        self.r_offset.get(endian)
500    }
501
502    #[inline]
503    fn r_info(&self, endian: Self::Endian) -> Self::Word {
504        self.r_info.get(endian)
505    }
506
507    #[inline]
508    fn r_sym(&self, endian: Self::Endian) -> u32 {
509        self.r_sym(endian)
510    }
511
512    #[inline]
513    fn r_type(&self, endian: Self::Endian) -> u32 {
514        self.r_type(endian)
515    }
516}
517
518/// A trait for generic access to [`elf::Rela32`] and [`elf::Rela64`].
519#[allow(missing_docs)]
520pub trait Rela: Debug + Pod + Clone {
521    type Word: Into<u64>;
522    type Sword: Into<i64>;
523    type Endian: endian::Endian;
524
525    fn r_offset(&self, endian: Self::Endian) -> Self::Word;
526    fn r_info(&self, endian: Self::Endian, is_mips64el: bool) -> Self::Word;
527    fn r_addend(&self, endian: Self::Endian) -> Self::Sword;
528    fn r_sym(&self, endian: Self::Endian, is_mips64el: bool) -> u32;
529    fn r_type(&self, endian: Self::Endian, is_mips64el: bool) -> u32;
530
531    /// Get the symbol index referenced by the relocation.
532    ///
533    /// Returns `None` for the null symbol index.
534    fn symbol(&self, endian: Self::Endian, is_mips64el: bool) -> Option<SymbolIndex> {
535        let sym = self.r_sym(endian, is_mips64el);
536        if sym == 0 {
537            None
538        } else {
539            Some(SymbolIndex(sym as usize))
540        }
541    }
542}
543
544impl<Endian: endian::Endian> Rela for elf::Rela32<Endian> {
545    type Word = u32;
546    type Sword = i32;
547    type Endian = Endian;
548
549    #[inline]
550    fn r_offset(&self, endian: Self::Endian) -> Self::Word {
551        self.r_offset.get(endian)
552    }
553
554    #[inline]
555    fn r_info(&self, endian: Self::Endian, _is_mips64el: bool) -> Self::Word {
556        self.r_info.get(endian)
557    }
558
559    #[inline]
560    fn r_addend(&self, endian: Self::Endian) -> Self::Sword {
561        self.r_addend.get(endian)
562    }
563
564    #[inline]
565    fn r_sym(&self, endian: Self::Endian, _is_mips64el: bool) -> u32 {
566        self.r_sym(endian)
567    }
568
569    #[inline]
570    fn r_type(&self, endian: Self::Endian, _is_mips64el: bool) -> u32 {
571        self.r_type(endian)
572    }
573}
574
575impl<Endian: endian::Endian> Rela for elf::Rela64<Endian> {
576    type Word = u64;
577    type Sword = i64;
578    type Endian = Endian;
579
580    #[inline]
581    fn r_offset(&self, endian: Self::Endian) -> Self::Word {
582        self.r_offset.get(endian)
583    }
584
585    #[inline]
586    fn r_info(&self, endian: Self::Endian, is_mips64el: bool) -> Self::Word {
587        self.get_r_info(endian, is_mips64el)
588    }
589
590    #[inline]
591    fn r_addend(&self, endian: Self::Endian) -> Self::Sword {
592        self.r_addend.get(endian)
593    }
594
595    #[inline]
596    fn r_sym(&self, endian: Self::Endian, is_mips64el: bool) -> u32 {
597        self.r_sym(endian, is_mips64el)
598    }
599
600    #[inline]
601    fn r_type(&self, endian: Self::Endian, is_mips64el: bool) -> u32 {
602        self.r_type(endian, is_mips64el)
603    }
604}
object/read/elf/relocation.rs

object/read/elf/
relocation.rs
